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 (key
->sta
&& test_sta_flag(key
->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
, true);
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
|
888 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
892 switch (params
->smps_mode
) {
893 case NL80211_SMPS_OFF
:
894 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
896 case NL80211_SMPS_STATIC
:
897 sdata
->smps_mode
= IEEE80211_SMPS_STATIC
;
899 case NL80211_SMPS_DYNAMIC
:
900 sdata
->smps_mode
= IEEE80211_SMPS_DYNAMIC
;
905 sdata
->u
.ap
.req_smps
= sdata
->smps_mode
;
907 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
909 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
911 mutex_lock(&local
->mtx
);
912 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
913 IEEE80211_CHANCTX_SHARED
);
915 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
916 mutex_unlock(&local
->mtx
);
921 * Apply control port protocol, this allows us to
922 * not encrypt dynamic WEP control frames.
924 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
925 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
926 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
930 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
931 vlan
->control_port_protocol
=
932 params
->crypto
.control_port_ethertype
;
933 vlan
->control_port_no_encrypt
=
934 params
->crypto
.control_port_no_encrypt
;
935 vlan
->encrypt_headroom
=
936 ieee80211_cs_headroom(sdata
->local
,
941 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
942 sdata
->vif
.bss_conf
.enable_beacon
= true;
943 sdata
->vif
.bss_conf
.allow_p2p_go_ps
= sdata
->vif
.p2p
;
945 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
946 if (params
->ssid_len
)
947 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
949 sdata
->vif
.bss_conf
.hidden_ssid
=
950 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
952 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
953 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
954 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
955 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
956 if (params
->p2p_opp_ps
)
957 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
958 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
960 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
, NULL
);
962 ieee80211_vif_release_channel(sdata
);
967 err
= drv_start_ap(sdata
->local
, sdata
);
969 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
972 kfree_rcu(old
, rcu_head
);
973 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
974 ieee80211_vif_release_channel(sdata
);
978 ieee80211_recalc_dtim(local
, sdata
);
979 ieee80211_bss_info_change_notify(sdata
, changed
);
981 netif_carrier_on(dev
);
982 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
983 netif_carrier_on(vlan
->dev
);
988 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
989 struct cfg80211_beacon_data
*params
)
991 struct ieee80211_sub_if_data
*sdata
;
992 struct beacon_data
*old
;
995 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
996 sdata_assert_lock(sdata
);
998 /* don't allow changing the beacon while CSA is in place - offset
999 * of channel switch counter may change
1001 if (sdata
->vif
.csa_active
)
1004 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1008 err
= ieee80211_assign_beacon(sdata
, params
, NULL
);
1011 ieee80211_bss_info_change_notify(sdata
, err
);
1015 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1017 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1018 struct ieee80211_sub_if_data
*vlan
;
1019 struct ieee80211_local
*local
= sdata
->local
;
1020 struct beacon_data
*old_beacon
;
1021 struct probe_resp
*old_probe_resp
;
1022 struct cfg80211_chan_def chandef
;
1024 sdata_assert_lock(sdata
);
1026 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1029 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
1031 /* abort any running channel switch */
1032 mutex_lock(&local
->mtx
);
1033 sdata
->vif
.csa_active
= false;
1034 if (sdata
->csa_block_tx
) {
1035 ieee80211_wake_vif_queues(local
, sdata
,
1036 IEEE80211_QUEUE_STOP_REASON_CSA
);
1037 sdata
->csa_block_tx
= false;
1040 mutex_unlock(&local
->mtx
);
1042 kfree(sdata
->u
.ap
.next_beacon
);
1043 sdata
->u
.ap
.next_beacon
= NULL
;
1045 /* turn off carrier for this interface and dependent VLANs */
1046 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1047 netif_carrier_off(vlan
->dev
);
1048 netif_carrier_off(dev
);
1050 /* remove beacon and probe response */
1051 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1052 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
1053 kfree_rcu(old_beacon
, rcu_head
);
1055 kfree_rcu(old_probe_resp
, rcu_head
);
1056 sdata
->u
.ap
.driver_smps_mode
= IEEE80211_SMPS_OFF
;
1058 __sta_info_flush(sdata
, true);
1059 ieee80211_free_keys(sdata
, true);
1061 sdata
->vif
.bss_conf
.enable_beacon
= false;
1062 sdata
->vif
.bss_conf
.ssid_len
= 0;
1063 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
1064 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
1066 if (sdata
->wdev
.cac_started
) {
1067 chandef
= sdata
->vif
.bss_conf
.chandef
;
1068 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
1069 cfg80211_cac_event(sdata
->dev
, &chandef
,
1070 NL80211_RADAR_CAC_ABORTED
,
1074 drv_stop_ap(sdata
->local
, sdata
);
1076 /* free all potentially still buffered bcast frames */
1077 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
1078 ieee80211_purge_tx_queue(&local
->hw
, &sdata
->u
.ap
.ps
.bc_buf
);
1080 mutex_lock(&local
->mtx
);
1081 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
1082 ieee80211_vif_release_channel(sdata
);
1083 mutex_unlock(&local
->mtx
);
1088 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1089 struct iapp_layer2_update
{
1090 u8 da
[ETH_ALEN
]; /* broadcast */
1091 u8 sa
[ETH_ALEN
]; /* STA addr */
1099 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
1101 struct iapp_layer2_update
*msg
;
1102 struct sk_buff
*skb
;
1104 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1107 skb
= dev_alloc_skb(sizeof(*msg
));
1110 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
1112 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1113 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1115 eth_broadcast_addr(msg
->da
);
1116 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1117 msg
->len
= htons(6);
1119 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1120 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1121 * F=0 (no poll command; unsolicited frame) */
1122 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1123 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1124 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1126 skb
->dev
= sta
->sdata
->dev
;
1127 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1128 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1132 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
1133 struct sta_info
*sta
,
1138 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1139 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1140 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1141 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1146 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1147 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1148 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1150 * When peer becomes associated, init rate control as
1151 * well. Some drivers require rate control initialized
1152 * before drv_sta_state() is called.
1154 if (!test_sta_flag(sta
, WLAN_STA_RATE_CONTROL
))
1155 rate_control_rate_init(sta
);
1157 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1162 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1163 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1164 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1165 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1166 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1173 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1174 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1175 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1176 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1181 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1182 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1183 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1184 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1192 static void sta_apply_mesh_params(struct ieee80211_local
*local
,
1193 struct sta_info
*sta
,
1194 struct station_parameters
*params
)
1196 #ifdef CONFIG_MAC80211_MESH
1197 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1200 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1201 switch (params
->plink_state
) {
1202 case NL80211_PLINK_ESTAB
:
1203 if (sta
->mesh
->plink_state
!= NL80211_PLINK_ESTAB
)
1204 changed
= mesh_plink_inc_estab_count(sdata
);
1205 sta
->mesh
->plink_state
= params
->plink_state
;
1206 sta
->mesh
->aid
= params
->peer_aid
;
1208 ieee80211_mps_sta_status_update(sta
);
1209 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1210 sdata
->u
.mesh
.mshcfg
.power_mode
);
1212 case NL80211_PLINK_LISTEN
:
1213 case NL80211_PLINK_BLOCKED
:
1214 case NL80211_PLINK_OPN_SNT
:
1215 case NL80211_PLINK_OPN_RCVD
:
1216 case NL80211_PLINK_CNF_RCVD
:
1217 case NL80211_PLINK_HOLDING
:
1218 if (sta
->mesh
->plink_state
== NL80211_PLINK_ESTAB
)
1219 changed
= mesh_plink_dec_estab_count(sdata
);
1220 sta
->mesh
->plink_state
= params
->plink_state
;
1222 ieee80211_mps_sta_status_update(sta
);
1223 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1224 NL80211_MESH_POWER_UNKNOWN
);
1232 switch (params
->plink_action
) {
1233 case NL80211_PLINK_ACTION_NO_ACTION
:
1236 case NL80211_PLINK_ACTION_OPEN
:
1237 changed
|= mesh_plink_open(sta
);
1239 case NL80211_PLINK_ACTION_BLOCK
:
1240 changed
|= mesh_plink_block(sta
);
1244 if (params
->local_pm
)
1245 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1248 ieee80211_mbss_info_change_notify(sdata
, changed
);
1252 static int sta_apply_parameters(struct ieee80211_local
*local
,
1253 struct sta_info
*sta
,
1254 struct station_parameters
*params
)
1257 struct ieee80211_supported_band
*sband
;
1258 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1261 sband
= ieee80211_get_sband(sdata
);
1265 mask
= params
->sta_flags_mask
;
1266 set
= params
->sta_flags_set
;
1268 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1270 * In mesh mode, ASSOCIATED isn't part of the nl80211
1271 * API but must follow AUTHENTICATED for driver state.
1273 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1274 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1275 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1276 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1277 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1279 * TDLS -- everything follows authorized, but
1280 * only becoming authorized is possible, not
1283 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1284 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1285 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1286 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1287 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1291 if (mask
& BIT(NL80211_STA_FLAG_WME
) &&
1292 local
->hw
.queues
>= IEEE80211_NUM_ACS
)
1293 sta
->sta
.wme
= set
& BIT(NL80211_STA_FLAG_WME
);
1295 /* auth flags will be set later for TDLS,
1296 * and for unassociated stations that move to assocaited */
1297 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1298 !((mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1299 (set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)))) {
1300 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1305 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1306 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1307 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1309 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1312 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1313 sta
->sta
.mfp
= !!(set
& BIT(NL80211_STA_FLAG_MFP
));
1314 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1315 set_sta_flag(sta
, WLAN_STA_MFP
);
1317 clear_sta_flag(sta
, WLAN_STA_MFP
);
1320 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1321 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1322 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1324 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1327 /* mark TDLS channel switch support, if the AP allows it */
1328 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1329 !sdata
->u
.mgd
.tdls_chan_switch_prohibited
&&
1330 params
->ext_capab_len
>= 4 &&
1331 params
->ext_capab
[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH
)
1332 set_sta_flag(sta
, WLAN_STA_TDLS_CHAN_SWITCH
);
1334 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1335 !sdata
->u
.mgd
.tdls_wider_bw_prohibited
&&
1336 ieee80211_hw_check(&local
->hw
, TDLS_WIDER_BW
) &&
1337 params
->ext_capab_len
>= 8 &&
1338 params
->ext_capab
[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED
)
1339 set_sta_flag(sta
, WLAN_STA_TDLS_WIDER_BW
);
1341 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1342 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1343 sta
->sta
.max_sp
= params
->max_sp
;
1346 /* The sender might not have sent the last bit, consider it to be 0 */
1347 if (params
->ext_capab_len
>= 8) {
1348 u8 val
= (params
->ext_capab
[7] &
1349 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB
) >> 7;
1351 /* we did get all the bits, take the MSB as well */
1352 if (params
->ext_capab_len
>= 9) {
1353 u8 val_msb
= params
->ext_capab
[8] &
1354 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB
;
1361 sta
->sta
.max_amsdu_subframes
= 32;
1364 sta
->sta
.max_amsdu_subframes
= 16;
1367 sta
->sta
.max_amsdu_subframes
= 8;
1370 sta
->sta
.max_amsdu_subframes
= 0;
1375 * cfg80211 validates this (1-2007) and allows setting the AID
1376 * only when creating a new station entry
1379 sta
->sta
.aid
= params
->aid
;
1382 * Some of the following updates would be racy if called on an
1383 * existing station, via ieee80211_change_station(). However,
1384 * all such changes are rejected by cfg80211 except for updates
1385 * changing the supported rates on an existing but not yet used
1389 if (params
->listen_interval
>= 0)
1390 sta
->listen_interval
= params
->listen_interval
;
1392 if (params
->supported_rates
) {
1393 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1394 sband
, params
->supported_rates
,
1395 params
->supported_rates_len
,
1396 &sta
->sta
.supp_rates
[sband
->band
]);
1399 if (params
->ht_capa
)
1400 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1401 params
->ht_capa
, sta
);
1403 /* VHT can override some HT caps such as the A-MSDU max length */
1404 if (params
->vht_capa
)
1405 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1406 params
->vht_capa
, sta
);
1408 if (params
->opmode_notif_used
) {
1409 /* returned value is only needed for rc update, but the
1410 * rc isn't initialized here yet, so ignore it
1412 __ieee80211_vht_handle_opmode(sdata
, sta
, params
->opmode_notif
,
1416 if (params
->support_p2p_ps
>= 0)
1417 sta
->sta
.support_p2p_ps
= params
->support_p2p_ps
;
1419 if (ieee80211_vif_is_mesh(&sdata
->vif
))
1420 sta_apply_mesh_params(local
, sta
, params
);
1422 /* set the STA state after all sta info from usermode has been set */
1423 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) ||
1424 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) {
1425 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1433 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1435 struct station_parameters
*params
)
1437 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1438 struct sta_info
*sta
;
1439 struct ieee80211_sub_if_data
*sdata
;
1444 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1446 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1447 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1450 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1452 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1455 if (is_multicast_ether_addr(mac
))
1458 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1462 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1463 sta
->sta
.tdls
= true;
1465 err
= sta_apply_parameters(local
, sta
, params
);
1467 sta_info_free(local
, sta
);
1472 * for TDLS and for unassociated station, rate control should be
1473 * initialized only when rates are known and station is marked
1474 * authorized/associated
1476 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1477 test_sta_flag(sta
, WLAN_STA_ASSOC
))
1478 rate_control_rate_init(sta
);
1480 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1481 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1483 err
= sta_info_insert_rcu(sta
);
1490 ieee80211_send_layer2_update(sta
);
1497 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1498 struct station_del_parameters
*params
)
1500 struct ieee80211_sub_if_data
*sdata
;
1502 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1505 return sta_info_destroy_addr_bss(sdata
, params
->mac
);
1507 sta_info_flush(sdata
);
1511 static int ieee80211_change_station(struct wiphy
*wiphy
,
1512 struct net_device
*dev
, const u8
*mac
,
1513 struct station_parameters
*params
)
1515 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1516 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1517 struct sta_info
*sta
;
1518 struct ieee80211_sub_if_data
*vlansdata
;
1519 enum cfg80211_station_type statype
;
1522 mutex_lock(&local
->sta_mtx
);
1524 sta
= sta_info_get_bss(sdata
, mac
);
1530 switch (sdata
->vif
.type
) {
1531 case NL80211_IFTYPE_MESH_POINT
:
1532 if (sdata
->u
.mesh
.user_mpm
)
1533 statype
= CFG80211_STA_MESH_PEER_USER
;
1535 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1537 case NL80211_IFTYPE_ADHOC
:
1538 statype
= CFG80211_STA_IBSS
;
1540 case NL80211_IFTYPE_STATION
:
1541 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1542 statype
= CFG80211_STA_AP_STA
;
1545 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1546 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1548 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1550 case NL80211_IFTYPE_AP
:
1551 case NL80211_IFTYPE_AP_VLAN
:
1552 if (test_sta_flag(sta
, WLAN_STA_ASSOC
))
1553 statype
= CFG80211_STA_AP_CLIENT
;
1555 statype
= CFG80211_STA_AP_CLIENT_UNASSOC
;
1562 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1566 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1567 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1569 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1570 if (vlansdata
->u
.vlan
.sta
) {
1575 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1576 __ieee80211_check_fast_rx_iface(vlansdata
);
1579 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1580 sta
->sdata
->u
.vlan
.sta
)
1581 RCU_INIT_POINTER(sta
->sdata
->u
.vlan
.sta
, NULL
);
1583 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1584 ieee80211_vif_dec_num_mcast(sta
->sdata
);
1586 sta
->sdata
= vlansdata
;
1587 ieee80211_check_fast_xmit(sta
);
1589 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1590 ieee80211_vif_inc_num_mcast(sta
->sdata
);
1592 ieee80211_send_layer2_update(sta
);
1595 err
= sta_apply_parameters(local
, sta
, params
);
1599 mutex_unlock(&local
->sta_mtx
);
1601 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1602 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1603 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1604 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1605 sta_info_tx_streams(sta
) != 1) {
1607 "%pM just authorized and MIMO capable - update SMPS\n",
1609 ieee80211_send_smps_action(sta
->sdata
,
1610 sta
->sdata
->bss
->req_smps
,
1612 sta
->sdata
->vif
.bss_conf
.bssid
);
1615 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1616 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1617 ieee80211_recalc_ps(local
);
1618 ieee80211_recalc_ps_vif(sdata
);
1623 mutex_unlock(&local
->sta_mtx
);
1627 #ifdef CONFIG_MAC80211_MESH
1628 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1629 const u8
*dst
, const u8
*next_hop
)
1631 struct ieee80211_sub_if_data
*sdata
;
1632 struct mesh_path
*mpath
;
1633 struct sta_info
*sta
;
1635 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1638 sta
= sta_info_get(sdata
, next_hop
);
1644 mpath
= mesh_path_add(sdata
, dst
);
1645 if (IS_ERR(mpath
)) {
1647 return PTR_ERR(mpath
);
1650 mesh_path_fix_nexthop(mpath
, sta
);
1656 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1659 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1662 return mesh_path_del(sdata
, dst
);
1664 mesh_path_flush_by_iface(sdata
);
1668 static int ieee80211_change_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1669 const u8
*dst
, const u8
*next_hop
)
1671 struct ieee80211_sub_if_data
*sdata
;
1672 struct mesh_path
*mpath
;
1673 struct sta_info
*sta
;
1675 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1679 sta
= sta_info_get(sdata
, next_hop
);
1685 mpath
= mesh_path_lookup(sdata
, dst
);
1691 mesh_path_fix_nexthop(mpath
, sta
);
1697 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1698 struct mpath_info
*pinfo
)
1700 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1703 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1705 eth_zero_addr(next_hop
);
1707 memset(pinfo
, 0, sizeof(*pinfo
));
1709 pinfo
->generation
= mpath
->sdata
->u
.mesh
.mesh_paths_generation
;
1711 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1714 MPATH_INFO_EXPTIME
|
1715 MPATH_INFO_DISCOVERY_TIMEOUT
|
1716 MPATH_INFO_DISCOVERY_RETRIES
|
1719 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1720 pinfo
->sn
= mpath
->sn
;
1721 pinfo
->metric
= mpath
->metric
;
1722 if (time_before(jiffies
, mpath
->exp_time
))
1723 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1724 pinfo
->discovery_timeout
=
1725 jiffies_to_msecs(mpath
->discovery_timeout
);
1726 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1727 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1728 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1729 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1730 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1731 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1732 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1733 if (mpath
->flags
& MESH_PATH_FIXED
)
1734 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1735 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1736 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1739 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1740 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1743 struct ieee80211_sub_if_data
*sdata
;
1744 struct mesh_path
*mpath
;
1746 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1749 mpath
= mesh_path_lookup(sdata
, dst
);
1754 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1755 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1760 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1761 int idx
, u8
*dst
, u8
*next_hop
,
1762 struct mpath_info
*pinfo
)
1764 struct ieee80211_sub_if_data
*sdata
;
1765 struct mesh_path
*mpath
;
1767 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1770 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1775 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1776 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1781 static void mpp_set_pinfo(struct mesh_path
*mpath
, u8
*mpp
,
1782 struct mpath_info
*pinfo
)
1784 memset(pinfo
, 0, sizeof(*pinfo
));
1785 memcpy(mpp
, mpath
->mpp
, ETH_ALEN
);
1787 pinfo
->generation
= mpath
->sdata
->u
.mesh
.mpp_paths_generation
;
1790 static int ieee80211_get_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1791 u8
*dst
, u8
*mpp
, struct mpath_info
*pinfo
)
1794 struct ieee80211_sub_if_data
*sdata
;
1795 struct mesh_path
*mpath
;
1797 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1800 mpath
= mpp_path_lookup(sdata
, dst
);
1805 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1806 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1811 static int ieee80211_dump_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1812 int idx
, u8
*dst
, u8
*mpp
,
1813 struct mpath_info
*pinfo
)
1815 struct ieee80211_sub_if_data
*sdata
;
1816 struct mesh_path
*mpath
;
1818 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1821 mpath
= mpp_path_lookup_by_idx(sdata
, idx
);
1826 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1827 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1832 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1833 struct net_device
*dev
,
1834 struct mesh_config
*conf
)
1836 struct ieee80211_sub_if_data
*sdata
;
1837 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1839 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1843 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1845 return (mask
>> (parm
-1)) & 0x1;
1848 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1849 const struct mesh_setup
*setup
)
1853 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1854 struct ieee80211_sub_if_data
, u
.mesh
);
1856 /* allocate information elements */
1860 if (setup
->ie_len
) {
1861 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1866 ifmsh
->ie_len
= setup
->ie_len
;
1870 /* now copy the rest of the setup parameters */
1871 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1872 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1873 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1874 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1875 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1876 ifmsh
->user_mpm
= setup
->user_mpm
;
1877 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1878 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1879 if (setup
->is_authenticated
)
1880 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1881 if (setup
->is_secure
)
1882 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1884 /* mcast rate setting in Mesh Node */
1885 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1886 sizeof(setup
->mcast_rate
));
1887 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1889 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1890 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1895 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1896 struct net_device
*dev
, u32 mask
,
1897 const struct mesh_config
*nconf
)
1899 struct mesh_config
*conf
;
1900 struct ieee80211_sub_if_data
*sdata
;
1901 struct ieee80211_if_mesh
*ifmsh
;
1903 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1904 ifmsh
= &sdata
->u
.mesh
;
1906 /* Set the config options which we are interested in setting */
1907 conf
= &(sdata
->u
.mesh
.mshcfg
);
1908 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1909 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1910 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1911 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1912 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1913 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1914 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1915 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1916 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1917 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1918 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1919 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1920 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1921 conf
->element_ttl
= nconf
->element_ttl
;
1922 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1923 if (ifmsh
->user_mpm
)
1925 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1927 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1928 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1929 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1930 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1931 conf
->dot11MeshHWMPmaxPREQretries
=
1932 nconf
->dot11MeshHWMPmaxPREQretries
;
1933 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1934 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1935 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1936 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1937 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1938 conf
->dot11MeshHWMPactivePathTimeout
=
1939 nconf
->dot11MeshHWMPactivePathTimeout
;
1940 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1941 conf
->dot11MeshHWMPpreqMinInterval
=
1942 nconf
->dot11MeshHWMPpreqMinInterval
;
1943 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1944 conf
->dot11MeshHWMPperrMinInterval
=
1945 nconf
->dot11MeshHWMPperrMinInterval
;
1946 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1948 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1949 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1950 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1951 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1952 ieee80211_mesh_root_setup(ifmsh
);
1954 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1955 /* our current gate announcement implementation rides on root
1956 * announcements, so require this ifmsh to also be a root node
1958 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1959 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1960 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1961 ieee80211_mesh_root_setup(ifmsh
);
1963 conf
->dot11MeshGateAnnouncementProtocol
=
1964 nconf
->dot11MeshGateAnnouncementProtocol
;
1966 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1967 conf
->dot11MeshHWMPRannInterval
=
1968 nconf
->dot11MeshHWMPRannInterval
;
1969 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1970 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1971 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1972 /* our RSSI threshold implementation is supported only for
1973 * devices that report signal in dBm.
1975 if (!ieee80211_hw_check(&sdata
->local
->hw
, SIGNAL_DBM
))
1977 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1979 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1980 conf
->ht_opmode
= nconf
->ht_opmode
;
1981 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1982 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1984 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1985 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1986 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1987 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1988 conf
->dot11MeshHWMProotInterval
=
1989 nconf
->dot11MeshHWMProotInterval
;
1990 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1991 conf
->dot11MeshHWMPconfirmationInterval
=
1992 nconf
->dot11MeshHWMPconfirmationInterval
;
1993 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1994 conf
->power_mode
= nconf
->power_mode
;
1995 ieee80211_mps_local_status_update(sdata
);
1997 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
1998 conf
->dot11MeshAwakeWindowDuration
=
1999 nconf
->dot11MeshAwakeWindowDuration
;
2000 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
2001 conf
->plink_timeout
= nconf
->plink_timeout
;
2002 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
2006 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
2007 const struct mesh_config
*conf
,
2008 const struct mesh_setup
*setup
)
2010 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2011 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
2014 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
2015 err
= copy_mesh_setup(ifmsh
, setup
);
2019 /* can mesh use other SMPS modes? */
2020 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2021 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
2023 mutex_lock(&sdata
->local
->mtx
);
2024 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
2025 IEEE80211_CHANCTX_SHARED
);
2026 mutex_unlock(&sdata
->local
->mtx
);
2030 return ieee80211_start_mesh(sdata
);
2033 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
2035 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2037 ieee80211_stop_mesh(sdata
);
2038 mutex_lock(&sdata
->local
->mtx
);
2039 ieee80211_vif_release_channel(sdata
);
2040 mutex_unlock(&sdata
->local
->mtx
);
2046 static int ieee80211_change_bss(struct wiphy
*wiphy
,
2047 struct net_device
*dev
,
2048 struct bss_parameters
*params
)
2050 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2051 struct ieee80211_supported_band
*sband
;
2054 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
2057 sband
= ieee80211_get_sband(sdata
);
2061 if (params
->use_cts_prot
>= 0) {
2062 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
2063 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
2065 if (params
->use_short_preamble
>= 0) {
2066 sdata
->vif
.bss_conf
.use_short_preamble
=
2067 params
->use_short_preamble
;
2068 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
2071 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
2072 sband
->band
== NL80211_BAND_5GHZ
) {
2073 sdata
->vif
.bss_conf
.use_short_slot
= true;
2074 changed
|= BSS_CHANGED_ERP_SLOT
;
2077 if (params
->use_short_slot_time
>= 0) {
2078 sdata
->vif
.bss_conf
.use_short_slot
=
2079 params
->use_short_slot_time
;
2080 changed
|= BSS_CHANGED_ERP_SLOT
;
2083 if (params
->basic_rates
) {
2084 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
2085 wiphy
->bands
[sband
->band
],
2086 params
->basic_rates
,
2087 params
->basic_rates_len
,
2088 &sdata
->vif
.bss_conf
.basic_rates
);
2089 changed
|= BSS_CHANGED_BASIC_RATES
;
2090 ieee80211_check_rate_mask(sdata
);
2093 if (params
->ap_isolate
>= 0) {
2094 if (params
->ap_isolate
)
2095 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2097 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2098 ieee80211_check_fast_rx_iface(sdata
);
2101 if (params
->ht_opmode
>= 0) {
2102 sdata
->vif
.bss_conf
.ht_operation_mode
=
2103 (u16
) params
->ht_opmode
;
2104 changed
|= BSS_CHANGED_HT
;
2107 if (params
->p2p_ctwindow
>= 0) {
2108 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2109 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2110 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2111 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2112 changed
|= BSS_CHANGED_P2P_PS
;
2115 if (params
->p2p_opp_ps
> 0) {
2116 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2117 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2118 changed
|= BSS_CHANGED_P2P_PS
;
2119 } else if (params
->p2p_opp_ps
== 0) {
2120 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2121 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2122 changed
|= BSS_CHANGED_P2P_PS
;
2125 ieee80211_bss_info_change_notify(sdata
, changed
);
2130 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
2131 struct net_device
*dev
,
2132 struct ieee80211_txq_params
*params
)
2134 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2135 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2136 struct ieee80211_tx_queue_params p
;
2138 if (!local
->ops
->conf_tx
)
2141 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
2144 memset(&p
, 0, sizeof(p
));
2145 p
.aifs
= params
->aifs
;
2146 p
.cw_max
= params
->cwmax
;
2147 p
.cw_min
= params
->cwmin
;
2148 p
.txop
= params
->txop
;
2151 * Setting tx queue params disables u-apsd because it's only
2152 * called in master mode.
2156 sdata
->tx_conf
[params
->ac
] = p
;
2157 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
2158 wiphy_debug(local
->hw
.wiphy
,
2159 "failed to set TX queue parameters for AC %d\n",
2164 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
2170 static int ieee80211_suspend(struct wiphy
*wiphy
,
2171 struct cfg80211_wowlan
*wowlan
)
2173 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
2176 static int ieee80211_resume(struct wiphy
*wiphy
)
2178 return __ieee80211_resume(wiphy_priv(wiphy
));
2181 #define ieee80211_suspend NULL
2182 #define ieee80211_resume NULL
2185 static int ieee80211_scan(struct wiphy
*wiphy
,
2186 struct cfg80211_scan_request
*req
)
2188 struct ieee80211_sub_if_data
*sdata
;
2190 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
2192 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
2193 case NL80211_IFTYPE_STATION
:
2194 case NL80211_IFTYPE_ADHOC
:
2195 case NL80211_IFTYPE_MESH_POINT
:
2196 case NL80211_IFTYPE_P2P_CLIENT
:
2197 case NL80211_IFTYPE_P2P_DEVICE
:
2199 case NL80211_IFTYPE_P2P_GO
:
2200 if (sdata
->local
->ops
->hw_scan
)
2203 * FIXME: implement NoA while scanning in software,
2204 * for now fall through to allow scanning only when
2205 * beaconing hasn't been configured yet
2207 case NL80211_IFTYPE_AP
:
2209 * If the scan has been forced (and the driver supports
2210 * forcing), don't care about being beaconing already.
2211 * This will create problems to the attached stations (e.g. all
2212 * the frames sent while scanning on other channel will be
2215 if (sdata
->u
.ap
.beacon
&&
2216 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
2217 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
2220 case NL80211_IFTYPE_NAN
:
2225 return ieee80211_request_scan(sdata
, req
);
2228 static void ieee80211_abort_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2230 ieee80211_scan_cancel(wiphy_priv(wiphy
));
2234 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
2235 struct net_device
*dev
,
2236 struct cfg80211_sched_scan_request
*req
)
2238 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2240 if (!sdata
->local
->ops
->sched_scan_start
)
2243 return ieee80211_request_sched_scan_start(sdata
, req
);
2247 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
,
2250 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2252 if (!local
->ops
->sched_scan_stop
)
2255 return ieee80211_request_sched_scan_stop(local
);
2258 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
2259 struct cfg80211_auth_request
*req
)
2261 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2264 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2265 struct cfg80211_assoc_request
*req
)
2267 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2270 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
2271 struct cfg80211_deauth_request
*req
)
2273 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2276 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2277 struct cfg80211_disassoc_request
*req
)
2279 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2282 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2283 struct cfg80211_ibss_params
*params
)
2285 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2288 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2290 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2293 static int ieee80211_join_ocb(struct wiphy
*wiphy
, struct net_device
*dev
,
2294 struct ocb_setup
*setup
)
2296 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev
), setup
);
2299 static int ieee80211_leave_ocb(struct wiphy
*wiphy
, struct net_device
*dev
)
2301 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2304 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2305 int rate
[NUM_NL80211_BANDS
])
2307 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2309 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2310 sizeof(int) * NUM_NL80211_BANDS
);
2315 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2317 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2320 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2321 ieee80211_check_fast_xmit_all(local
);
2323 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2326 ieee80211_check_fast_xmit_all(local
);
2331 if ((changed
& WIPHY_PARAM_COVERAGE_CLASS
) ||
2332 (changed
& WIPHY_PARAM_DYN_ACK
)) {
2335 coverage_class
= changed
& WIPHY_PARAM_COVERAGE_CLASS
?
2336 wiphy
->coverage_class
: -1;
2337 err
= drv_set_coverage_class(local
, coverage_class
);
2343 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2344 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2350 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2351 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2353 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2355 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2356 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2358 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2361 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2362 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2367 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2368 struct wireless_dev
*wdev
,
2369 enum nl80211_tx_power_setting type
, int mbm
)
2371 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2372 struct ieee80211_sub_if_data
*sdata
;
2373 enum nl80211_tx_power_setting txp_type
= type
;
2374 bool update_txp_type
= false;
2377 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2380 case NL80211_TX_POWER_AUTOMATIC
:
2381 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2382 txp_type
= NL80211_TX_POWER_LIMITED
;
2384 case NL80211_TX_POWER_LIMITED
:
2385 case NL80211_TX_POWER_FIXED
:
2386 if (mbm
< 0 || (mbm
% 100))
2388 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2392 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
) {
2393 update_txp_type
= true;
2394 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2397 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2403 case NL80211_TX_POWER_AUTOMATIC
:
2404 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2405 txp_type
= NL80211_TX_POWER_LIMITED
;
2407 case NL80211_TX_POWER_LIMITED
:
2408 case NL80211_TX_POWER_FIXED
:
2409 if (mbm
< 0 || (mbm
% 100))
2411 local
->user_power_level
= MBM_TO_DBM(mbm
);
2415 mutex_lock(&local
->iflist_mtx
);
2416 list_for_each_entry(sdata
, &local
->interfaces
, list
) {
2417 sdata
->user_power_level
= local
->user_power_level
;
2418 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
)
2419 update_txp_type
= true;
2420 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2422 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2423 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2424 mutex_unlock(&local
->iflist_mtx
);
2429 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2430 struct wireless_dev
*wdev
,
2433 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2434 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2436 if (local
->ops
->get_txpower
)
2437 return drv_get_txpower(local
, sdata
, dbm
);
2439 if (!local
->use_chanctx
)
2440 *dbm
= local
->hw
.conf
.power_level
;
2442 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2447 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2450 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2452 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2457 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2459 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2461 drv_rfkill_poll(local
);
2464 #ifdef CONFIG_NL80211_TESTMODE
2465 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2466 struct wireless_dev
*wdev
,
2467 void *data
, int len
)
2469 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2470 struct ieee80211_vif
*vif
= NULL
;
2472 if (!local
->ops
->testmode_cmd
)
2476 struct ieee80211_sub_if_data
*sdata
;
2478 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2479 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2483 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2486 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2487 struct sk_buff
*skb
,
2488 struct netlink_callback
*cb
,
2489 void *data
, int len
)
2491 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2493 if (!local
->ops
->testmode_dump
)
2496 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2500 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2501 enum ieee80211_smps_mode smps_mode
)
2503 struct sta_info
*sta
;
2504 enum ieee80211_smps_mode old_req
;
2506 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2509 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2512 old_req
= sdata
->u
.ap
.req_smps
;
2513 sdata
->u
.ap
.req_smps
= smps_mode
;
2515 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2516 if (old_req
== smps_mode
||
2517 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2521 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2522 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2524 mutex_lock(&sdata
->local
->sta_mtx
);
2525 list_for_each_entry(sta
, &sdata
->local
->sta_list
, list
) {
2527 * Only stations associated to our AP and
2530 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2533 /* This station doesn't support MIMO - skip it */
2534 if (sta_info_tx_streams(sta
) == 1)
2538 * Don't wake up a STA just to send the action frame
2539 * unless we are getting more restrictive.
2541 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2542 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2544 ht_dbg(sdata
, "Won't send SMPS to sleeping STA %pM\n",
2550 * If the STA is not authorized, wait until it gets
2551 * authorized and the action frame will be sent then.
2553 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2556 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2557 ieee80211_send_smps_action(sdata
, smps_mode
, sta
->sta
.addr
,
2558 sdata
->vif
.bss_conf
.bssid
);
2560 mutex_unlock(&sdata
->local
->sta_mtx
);
2562 sdata
->smps_mode
= smps_mode
;
2563 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2568 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2569 enum ieee80211_smps_mode smps_mode
)
2572 enum ieee80211_smps_mode old_req
;
2574 struct sta_info
*sta
;
2575 bool tdls_peer_found
= false;
2577 lockdep_assert_held(&sdata
->wdev
.mtx
);
2579 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2582 old_req
= sdata
->u
.mgd
.req_smps
;
2583 sdata
->u
.mgd
.req_smps
= smps_mode
;
2585 if (old_req
== smps_mode
&&
2586 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2590 * If not associated, or current association is not an HT
2591 * association, there's no need to do anything, just store
2592 * the new value until we associate.
2594 if (!sdata
->u
.mgd
.associated
||
2595 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2598 ap
= sdata
->u
.mgd
.associated
->bssid
;
2601 list_for_each_entry_rcu(sta
, &sdata
->local
->sta_list
, list
) {
2602 if (!sta
->sta
.tdls
|| sta
->sdata
!= sdata
|| !sta
->uploaded
||
2603 !test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2606 tdls_peer_found
= true;
2611 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2612 if (tdls_peer_found
|| !sdata
->u
.mgd
.powersave
)
2613 smps_mode
= IEEE80211_SMPS_OFF
;
2615 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2618 /* send SM PS frame to AP */
2619 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2622 sdata
->u
.mgd
.req_smps
= old_req
;
2623 else if (smps_mode
!= IEEE80211_SMPS_OFF
&& tdls_peer_found
)
2624 ieee80211_teardown_tdls_peers(sdata
);
2629 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2630 bool enabled
, int timeout
)
2632 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2633 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2635 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2638 if (!ieee80211_hw_check(&local
->hw
, SUPPORTS_PS
))
2641 if (enabled
== sdata
->u
.mgd
.powersave
&&
2642 timeout
== local
->dynamic_ps_forced_timeout
)
2645 sdata
->u
.mgd
.powersave
= enabled
;
2646 local
->dynamic_ps_forced_timeout
= timeout
;
2648 /* no change, but if automatic follow powersave */
2650 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2651 sdata_unlock(sdata
);
2653 if (ieee80211_hw_check(&local
->hw
, SUPPORTS_DYNAMIC_PS
))
2654 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2656 ieee80211_recalc_ps(local
);
2657 ieee80211_recalc_ps_vif(sdata
);
2662 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2663 struct net_device
*dev
,
2664 s32 rssi_thold
, u32 rssi_hyst
)
2666 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2667 struct ieee80211_vif
*vif
= &sdata
->vif
;
2668 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2670 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2671 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2674 if (sdata
->vif
.driver_flags
& IEEE80211_VIF_BEACON_FILTER
&&
2675 !(sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
))
2678 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2679 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2680 bss_conf
->cqm_rssi_low
= 0;
2681 bss_conf
->cqm_rssi_high
= 0;
2682 sdata
->u
.mgd
.last_cqm_event_signal
= 0;
2684 /* tell the driver upon association, unless already associated */
2685 if (sdata
->u
.mgd
.associated
&&
2686 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2687 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2692 static int ieee80211_set_cqm_rssi_range_config(struct wiphy
*wiphy
,
2693 struct net_device
*dev
,
2694 s32 rssi_low
, s32 rssi_high
)
2696 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2697 struct ieee80211_vif
*vif
= &sdata
->vif
;
2698 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2700 if (sdata
->vif
.driver_flags
& IEEE80211_VIF_BEACON_FILTER
)
2703 bss_conf
->cqm_rssi_low
= rssi_low
;
2704 bss_conf
->cqm_rssi_high
= rssi_high
;
2705 bss_conf
->cqm_rssi_thold
= 0;
2706 bss_conf
->cqm_rssi_hyst
= 0;
2707 sdata
->u
.mgd
.last_cqm_event_signal
= 0;
2709 /* tell the driver upon association, unless already associated */
2710 if (sdata
->u
.mgd
.associated
&&
2711 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2712 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2717 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2718 struct net_device
*dev
,
2720 const struct cfg80211_bitrate_mask
*mask
)
2722 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2723 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2726 if (!ieee80211_sdata_running(sdata
))
2729 if (ieee80211_hw_check(&local
->hw
, HAS_RATE_CONTROL
)) {
2730 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2736 * If active validate the setting and reject it if it doesn't leave
2737 * at least one basic rate usable, since we really have to be able
2738 * to send something, and if we're an AP we have to be able to do
2739 * so at a basic rate so that all clients can receive it.
2741 if (rcu_access_pointer(sdata
->vif
.chanctx_conf
) &&
2742 sdata
->vif
.bss_conf
.chandef
.chan
) {
2743 u32 basic_rates
= sdata
->vif
.bss_conf
.basic_rates
;
2744 enum nl80211_band band
= sdata
->vif
.bss_conf
.chandef
.chan
->band
;
2746 if (!(mask
->control
[band
].legacy
& basic_rates
))
2750 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
2751 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2754 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2755 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2756 sizeof(mask
->control
[i
].ht_mcs
));
2757 memcpy(sdata
->rc_rateidx_vht_mcs_mask
[i
],
2758 mask
->control
[i
].vht_mcs
,
2759 sizeof(mask
->control
[i
].vht_mcs
));
2761 sdata
->rc_has_mcs_mask
[i
] = false;
2762 sdata
->rc_has_vht_mcs_mask
[i
] = false;
2766 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++) {
2767 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2768 sdata
->rc_has_mcs_mask
[i
] = true;
2773 for (j
= 0; j
< NL80211_VHT_NSS_MAX
; j
++) {
2774 if (~sdata
->rc_rateidx_vht_mcs_mask
[i
][j
]) {
2775 sdata
->rc_has_vht_mcs_mask
[i
] = true;
2784 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2785 struct net_device
*dev
,
2786 struct cfg80211_chan_def
*chandef
,
2789 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2790 struct ieee80211_local
*local
= sdata
->local
;
2793 mutex_lock(&local
->mtx
);
2794 if (!list_empty(&local
->roc_list
) || local
->scanning
) {
2799 /* whatever, but channel contexts should not complain about that one */
2800 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2801 sdata
->needed_rx_chains
= local
->rx_chains
;
2803 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2804 IEEE80211_CHANCTX_SHARED
);
2808 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2809 &sdata
->dfs_cac_timer_work
,
2810 msecs_to_jiffies(cac_time_ms
));
2813 mutex_unlock(&local
->mtx
);
2817 static struct cfg80211_beacon_data
*
2818 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
2820 struct cfg80211_beacon_data
*new_beacon
;
2824 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
2825 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
2826 beacon
->probe_resp_len
;
2828 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
2832 pos
= (u8
*)(new_beacon
+ 1);
2833 if (beacon
->head_len
) {
2834 new_beacon
->head_len
= beacon
->head_len
;
2835 new_beacon
->head
= pos
;
2836 memcpy(pos
, beacon
->head
, beacon
->head_len
);
2837 pos
+= beacon
->head_len
;
2839 if (beacon
->tail_len
) {
2840 new_beacon
->tail_len
= beacon
->tail_len
;
2841 new_beacon
->tail
= pos
;
2842 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
2843 pos
+= beacon
->tail_len
;
2845 if (beacon
->beacon_ies_len
) {
2846 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
2847 new_beacon
->beacon_ies
= pos
;
2848 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
2849 pos
+= beacon
->beacon_ies_len
;
2851 if (beacon
->proberesp_ies_len
) {
2852 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
2853 new_beacon
->proberesp_ies
= pos
;
2854 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
2855 pos
+= beacon
->proberesp_ies_len
;
2857 if (beacon
->assocresp_ies_len
) {
2858 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
2859 new_beacon
->assocresp_ies
= pos
;
2860 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
2861 pos
+= beacon
->assocresp_ies_len
;
2863 if (beacon
->probe_resp_len
) {
2864 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
2865 beacon
->probe_resp
= pos
;
2866 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
2867 pos
+= beacon
->probe_resp_len
;
2873 void ieee80211_csa_finish(struct ieee80211_vif
*vif
)
2875 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
2877 ieee80211_queue_work(&sdata
->local
->hw
,
2878 &sdata
->csa_finalize_work
);
2880 EXPORT_SYMBOL(ieee80211_csa_finish
);
2882 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2887 switch (sdata
->vif
.type
) {
2888 case NL80211_IFTYPE_AP
:
2889 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
,
2891 kfree(sdata
->u
.ap
.next_beacon
);
2892 sdata
->u
.ap
.next_beacon
= NULL
;
2898 case NL80211_IFTYPE_ADHOC
:
2899 err
= ieee80211_ibss_finish_csa(sdata
);
2904 #ifdef CONFIG_MAC80211_MESH
2905 case NL80211_IFTYPE_MESH_POINT
:
2906 err
= ieee80211_mesh_finish_csa(sdata
);
2920 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2922 struct ieee80211_local
*local
= sdata
->local
;
2926 sdata_assert_lock(sdata
);
2927 lockdep_assert_held(&local
->mtx
);
2928 lockdep_assert_held(&local
->chanctx_mtx
);
2931 * using reservation isn't immediate as it may be deferred until later
2932 * with multi-vif. once reservation is complete it will re-schedule the
2933 * work with no reserved_chanctx so verify chandef to check if it
2934 * completed successfully
2937 if (sdata
->reserved_chanctx
) {
2939 * with multi-vif csa driver may call ieee80211_csa_finish()
2940 * many times while waiting for other interfaces to use their
2943 if (sdata
->reserved_ready
)
2946 return ieee80211_vif_use_reserved_context(sdata
);
2949 if (!cfg80211_chandef_identical(&sdata
->vif
.bss_conf
.chandef
,
2950 &sdata
->csa_chandef
))
2953 sdata
->vif
.csa_active
= false;
2955 err
= ieee80211_set_after_csa_beacon(sdata
, &changed
);
2959 ieee80211_bss_info_change_notify(sdata
, changed
);
2961 if (sdata
->csa_block_tx
) {
2962 ieee80211_wake_vif_queues(local
, sdata
,
2963 IEEE80211_QUEUE_STOP_REASON_CSA
);
2964 sdata
->csa_block_tx
= false;
2967 err
= drv_post_channel_switch(sdata
);
2971 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
2976 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2978 if (__ieee80211_csa_finalize(sdata
)) {
2979 sdata_info(sdata
, "failed to finalize CSA, disconnecting\n");
2980 cfg80211_stop_iface(sdata
->local
->hw
.wiphy
, &sdata
->wdev
,
2985 void ieee80211_csa_finalize_work(struct work_struct
*work
)
2987 struct ieee80211_sub_if_data
*sdata
=
2988 container_of(work
, struct ieee80211_sub_if_data
,
2990 struct ieee80211_local
*local
= sdata
->local
;
2993 mutex_lock(&local
->mtx
);
2994 mutex_lock(&local
->chanctx_mtx
);
2996 /* AP might have been stopped while waiting for the lock. */
2997 if (!sdata
->vif
.csa_active
)
3000 if (!ieee80211_sdata_running(sdata
))
3003 ieee80211_csa_finalize(sdata
);
3006 mutex_unlock(&local
->chanctx_mtx
);
3007 mutex_unlock(&local
->mtx
);
3008 sdata_unlock(sdata
);
3011 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
3012 struct cfg80211_csa_settings
*params
,
3015 struct ieee80211_csa_settings csa
= {};
3018 switch (sdata
->vif
.type
) {
3019 case NL80211_IFTYPE_AP
:
3020 sdata
->u
.ap
.next_beacon
=
3021 cfg80211_beacon_dup(¶ms
->beacon_after
);
3022 if (!sdata
->u
.ap
.next_beacon
)
3026 * With a count of 0, we don't have to wait for any
3027 * TBTT before switching, so complete the CSA
3028 * immediately. In theory, with a count == 1 we
3029 * should delay the switch until just before the next
3030 * TBTT, but that would complicate things so we switch
3031 * immediately too. If we would delay the switch
3032 * until the next TBTT, we would have to set the probe
3035 * TODO: A channel switch with count <= 1 without
3036 * sending a CSA action frame is kind of useless,
3037 * because the clients won't know we're changing
3038 * channels. The action frame must be implemented
3039 * either here or in the userspace.
3041 if (params
->count
<= 1)
3044 if ((params
->n_counter_offsets_beacon
>
3045 IEEE80211_MAX_CSA_COUNTERS_NUM
) ||
3046 (params
->n_counter_offsets_presp
>
3047 IEEE80211_MAX_CSA_COUNTERS_NUM
))
3050 csa
.counter_offsets_beacon
= params
->counter_offsets_beacon
;
3051 csa
.counter_offsets_presp
= params
->counter_offsets_presp
;
3052 csa
.n_counter_offsets_beacon
= params
->n_counter_offsets_beacon
;
3053 csa
.n_counter_offsets_presp
= params
->n_counter_offsets_presp
;
3054 csa
.count
= params
->count
;
3056 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
, &csa
);
3058 kfree(sdata
->u
.ap
.next_beacon
);
3064 case NL80211_IFTYPE_ADHOC
:
3065 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3068 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
3071 switch (params
->chandef
.width
) {
3072 case NL80211_CHAN_WIDTH_40
:
3073 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
3074 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
3076 case NL80211_CHAN_WIDTH_5
:
3077 case NL80211_CHAN_WIDTH_10
:
3078 case NL80211_CHAN_WIDTH_20_NOHT
:
3079 case NL80211_CHAN_WIDTH_20
:
3085 /* changes into another band are not supported */
3086 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
3087 params
->chandef
.chan
->band
)
3090 /* see comments in the NL80211_IFTYPE_AP block */
3091 if (params
->count
> 1) {
3092 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
3098 ieee80211_send_action_csa(sdata
, params
);
3101 #ifdef CONFIG_MAC80211_MESH
3102 case NL80211_IFTYPE_MESH_POINT
: {
3103 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
3105 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
3108 /* changes into another band are not supported */
3109 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
3110 params
->chandef
.chan
->band
)
3113 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_NONE
) {
3114 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_INIT
;
3115 if (!ifmsh
->pre_value
)
3116 ifmsh
->pre_value
= 1;
3121 /* see comments in the NL80211_IFTYPE_AP block */
3122 if (params
->count
> 1) {
3123 err
= ieee80211_mesh_csa_beacon(sdata
, params
);
3125 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_NONE
;
3131 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_INIT
)
3132 ieee80211_send_action_csa(sdata
, params
);
3145 __ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3146 struct cfg80211_csa_settings
*params
)
3148 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3149 struct ieee80211_local
*local
= sdata
->local
;
3150 struct ieee80211_channel_switch ch_switch
;
3151 struct ieee80211_chanctx_conf
*conf
;
3152 struct ieee80211_chanctx
*chanctx
;
3156 sdata_assert_lock(sdata
);
3157 lockdep_assert_held(&local
->mtx
);
3159 if (!list_empty(&local
->roc_list
) || local
->scanning
)
3162 if (sdata
->wdev
.cac_started
)
3165 if (cfg80211_chandef_identical(¶ms
->chandef
,
3166 &sdata
->vif
.bss_conf
.chandef
))
3169 /* don't allow another channel switch if one is already active. */
3170 if (sdata
->vif
.csa_active
)
3173 mutex_lock(&local
->chanctx_mtx
);
3174 conf
= rcu_dereference_protected(sdata
->vif
.chanctx_conf
,
3175 lockdep_is_held(&local
->chanctx_mtx
));
3181 chanctx
= container_of(conf
, struct ieee80211_chanctx
, conf
);
3183 ch_switch
.timestamp
= 0;
3184 ch_switch
.device_timestamp
= 0;
3185 ch_switch
.block_tx
= params
->block_tx
;
3186 ch_switch
.chandef
= params
->chandef
;
3187 ch_switch
.count
= params
->count
;
3189 err
= drv_pre_channel_switch(sdata
, &ch_switch
);
3193 err
= ieee80211_vif_reserve_chanctx(sdata
, ¶ms
->chandef
,
3195 params
->radar_required
);
3199 /* if reservation is invalid then this will fail */
3200 err
= ieee80211_check_combinations(sdata
, NULL
, chanctx
->mode
, 0);
3202 ieee80211_vif_unreserve_chanctx(sdata
);
3206 err
= ieee80211_set_csa_beacon(sdata
, params
, &changed
);
3208 ieee80211_vif_unreserve_chanctx(sdata
);
3212 sdata
->csa_chandef
= params
->chandef
;
3213 sdata
->csa_block_tx
= params
->block_tx
;
3214 sdata
->vif
.csa_active
= true;
3216 if (sdata
->csa_block_tx
)
3217 ieee80211_stop_vif_queues(local
, sdata
,
3218 IEEE80211_QUEUE_STOP_REASON_CSA
);
3220 cfg80211_ch_switch_started_notify(sdata
->dev
, &sdata
->csa_chandef
,
3224 ieee80211_bss_info_change_notify(sdata
, changed
);
3225 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3227 /* if the beacon didn't change, we can finalize immediately */
3228 ieee80211_csa_finalize(sdata
);
3232 mutex_unlock(&local
->chanctx_mtx
);
3236 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3237 struct cfg80211_csa_settings
*params
)
3239 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3240 struct ieee80211_local
*local
= sdata
->local
;
3243 mutex_lock(&local
->mtx
);
3244 err
= __ieee80211_channel_switch(wiphy
, dev
, params
);
3245 mutex_unlock(&local
->mtx
);
3250 u64
ieee80211_mgmt_tx_cookie(struct ieee80211_local
*local
)
3252 lockdep_assert_held(&local
->mtx
);
3254 local
->roc_cookie_counter
++;
3256 /* wow, you wrapped 64 bits ... more likely a bug */
3257 if (WARN_ON(local
->roc_cookie_counter
== 0))
3258 local
->roc_cookie_counter
++;
3260 return local
->roc_cookie_counter
;
3263 int ieee80211_attach_ack_skb(struct ieee80211_local
*local
, struct sk_buff
*skb
,
3264 u64
*cookie
, gfp_t gfp
)
3266 unsigned long spin_flags
;
3267 struct sk_buff
*ack_skb
;
3270 ack_skb
= skb_copy(skb
, gfp
);
3274 spin_lock_irqsave(&local
->ack_status_lock
, spin_flags
);
3275 id
= idr_alloc(&local
->ack_status_frames
, ack_skb
,
3276 1, 0x10000, GFP_ATOMIC
);
3277 spin_unlock_irqrestore(&local
->ack_status_lock
, spin_flags
);
3284 IEEE80211_SKB_CB(skb
)->ack_frame_id
= id
;
3286 *cookie
= ieee80211_mgmt_tx_cookie(local
);
3287 IEEE80211_SKB_CB(ack_skb
)->ack
.cookie
= *cookie
;
3292 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3293 struct wireless_dev
*wdev
,
3294 u16 frame_type
, bool reg
)
3296 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3297 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3299 switch (frame_type
) {
3300 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3302 local
->probe_req_reg
++;
3303 sdata
->vif
.probe_req_reg
++;
3305 if (local
->probe_req_reg
)
3306 local
->probe_req_reg
--;
3308 if (sdata
->vif
.probe_req_reg
)
3309 sdata
->vif
.probe_req_reg
--;
3312 if (!local
->open_count
)
3315 if (sdata
->vif
.probe_req_reg
== 1)
3316 drv_config_iface_filter(local
, sdata
, FIF_PROBE_REQ
,
3318 else if (sdata
->vif
.probe_req_reg
== 0)
3319 drv_config_iface_filter(local
, sdata
, 0,
3322 ieee80211_configure_filter(local
);
3329 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3331 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3336 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3339 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3341 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3343 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3346 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3347 struct net_device
*dev
,
3348 struct cfg80211_gtk_rekey_data
*data
)
3350 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3351 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3353 if (!local
->ops
->set_rekey_data
)
3356 drv_set_rekey_data(local
, sdata
, data
);
3361 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3362 const u8
*peer
, u64
*cookie
)
3364 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3365 struct ieee80211_local
*local
= sdata
->local
;
3366 struct ieee80211_qos_hdr
*nullfunc
;
3367 struct sk_buff
*skb
;
3368 int size
= sizeof(*nullfunc
);
3371 struct ieee80211_tx_info
*info
;
3372 struct sta_info
*sta
;
3373 struct ieee80211_chanctx_conf
*chanctx_conf
;
3374 enum nl80211_band band
;
3377 /* the lock is needed to assign the cookie later */
3378 mutex_lock(&local
->mtx
);
3381 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3382 if (WARN_ON(!chanctx_conf
)) {
3386 band
= chanctx_conf
->def
.chan
->band
;
3387 sta
= sta_info_get_bss(sdata
, peer
);
3396 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3397 IEEE80211_STYPE_QOS_NULLFUNC
|
3398 IEEE80211_FCTL_FROMDS
);
3401 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3402 IEEE80211_STYPE_NULLFUNC
|
3403 IEEE80211_FCTL_FROMDS
);
3406 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3414 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3416 nullfunc
= (void *) skb_put(skb
, size
);
3417 nullfunc
->frame_control
= fc
;
3418 nullfunc
->duration_id
= 0;
3419 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3420 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3421 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3422 nullfunc
->seq_ctrl
= 0;
3424 info
= IEEE80211_SKB_CB(skb
);
3426 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3427 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3430 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3433 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3435 ret
= ieee80211_attach_ack_skb(local
, skb
, cookie
, GFP_ATOMIC
);
3442 ieee80211_xmit(sdata
, sta
, skb
);
3448 mutex_unlock(&local
->mtx
);
3453 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3454 struct wireless_dev
*wdev
,
3455 struct cfg80211_chan_def
*chandef
)
3457 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3458 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3459 struct ieee80211_chanctx_conf
*chanctx_conf
;
3463 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3465 *chandef
= sdata
->vif
.bss_conf
.chandef
;
3467 } else if (local
->open_count
> 0 &&
3468 local
->open_count
== local
->monitors
&&
3469 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3470 if (local
->use_chanctx
)
3471 *chandef
= local
->monitor_chandef
;
3473 *chandef
= local
->_oper_chandef
;
3482 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3484 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3488 static int ieee80211_set_qos_map(struct wiphy
*wiphy
,
3489 struct net_device
*dev
,
3490 struct cfg80211_qos_map
*qos_map
)
3492 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3493 struct mac80211_qos_map
*new_qos_map
, *old_qos_map
;
3496 new_qos_map
= kzalloc(sizeof(*new_qos_map
), GFP_KERNEL
);
3499 memcpy(&new_qos_map
->qos_map
, qos_map
, sizeof(*qos_map
));
3501 /* A NULL qos_map was passed to disable QoS mapping */
3505 old_qos_map
= sdata_dereference(sdata
->qos_map
, sdata
);
3506 rcu_assign_pointer(sdata
->qos_map
, new_qos_map
);
3508 kfree_rcu(old_qos_map
, rcu_head
);
3513 static int ieee80211_set_ap_chanwidth(struct wiphy
*wiphy
,
3514 struct net_device
*dev
,
3515 struct cfg80211_chan_def
*chandef
)
3517 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3521 ret
= ieee80211_vif_change_bandwidth(sdata
, chandef
, &changed
);
3523 ieee80211_bss_info_change_notify(sdata
, changed
);
3528 static int ieee80211_add_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3529 u8 tsid
, const u8
*peer
, u8 up
,
3532 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3533 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3534 int ac
= ieee802_1d_to_ac
[up
];
3536 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3539 if (!(sdata
->wmm_acm
& BIT(up
)))
3542 if (ifmgd
->tx_tspec
[ac
].admitted_time
)
3545 if (admitted_time
) {
3546 ifmgd
->tx_tspec
[ac
].admitted_time
= 32 * admitted_time
;
3547 ifmgd
->tx_tspec
[ac
].tsid
= tsid
;
3548 ifmgd
->tx_tspec
[ac
].up
= up
;
3554 static int ieee80211_del_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3555 u8 tsid
, const u8
*peer
)
3557 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3558 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3559 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3562 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
3563 struct ieee80211_sta_tx_tspec
*tx_tspec
= &ifmgd
->tx_tspec
[ac
];
3565 /* skip unused entries */
3566 if (!tx_tspec
->admitted_time
)
3569 if (tx_tspec
->tsid
!= tsid
)
3572 /* due to this new packets will be reassigned to non-ACM ACs */
3575 /* Make sure that all packets have been sent to avoid to
3576 * restore the QoS params on packets that are still on the
3580 ieee80211_flush_queues(local
, sdata
, false);
3582 /* restore the normal QoS parameters
3583 * (unconditionally to avoid races)
3585 tx_tspec
->action
= TX_TSPEC_ACTION_STOP_DOWNGRADE
;
3586 tx_tspec
->downgraded
= false;
3587 ieee80211_sta_handle_tspec_ac_params(sdata
);
3589 /* finally clear all the data */
3590 memset(tx_tspec
, 0, sizeof(*tx_tspec
));
3598 void ieee80211_nan_func_terminated(struct ieee80211_vif
*vif
,
3600 enum nl80211_nan_func_term_reason reason
,
3603 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
3604 struct cfg80211_nan_func
*func
;
3607 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_NAN
))
3610 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
3612 func
= idr_find(&sdata
->u
.nan
.function_inst_ids
, inst_id
);
3613 if (WARN_ON(!func
)) {
3614 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3618 cookie
= func
->cookie
;
3619 idr_remove(&sdata
->u
.nan
.function_inst_ids
, inst_id
);
3621 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3623 cfg80211_free_nan_func(func
);
3625 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif
), inst_id
,
3626 reason
, cookie
, gfp
);
3628 EXPORT_SYMBOL(ieee80211_nan_func_terminated
);
3630 void ieee80211_nan_func_match(struct ieee80211_vif
*vif
,
3631 struct cfg80211_nan_match_params
*match
,
3634 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
3635 struct cfg80211_nan_func
*func
;
3637 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_NAN
))
3640 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
3642 func
= idr_find(&sdata
->u
.nan
.function_inst_ids
, match
->inst_id
);
3643 if (WARN_ON(!func
)) {
3644 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3647 match
->cookie
= func
->cookie
;
3649 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3651 cfg80211_nan_match(ieee80211_vif_to_wdev(vif
), match
, gfp
);
3653 EXPORT_SYMBOL(ieee80211_nan_func_match
);
3655 static int ieee80211_set_multicast_to_unicast(struct wiphy
*wiphy
,
3656 struct net_device
*dev
,
3659 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3661 sdata
->u
.ap
.multicast_to_unicast
= enabled
;
3666 const struct cfg80211_ops mac80211_config_ops
= {
3667 .add_virtual_intf
= ieee80211_add_iface
,
3668 .del_virtual_intf
= ieee80211_del_iface
,
3669 .change_virtual_intf
= ieee80211_change_iface
,
3670 .start_p2p_device
= ieee80211_start_p2p_device
,
3671 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3672 .add_key
= ieee80211_add_key
,
3673 .del_key
= ieee80211_del_key
,
3674 .get_key
= ieee80211_get_key
,
3675 .set_default_key
= ieee80211_config_default_key
,
3676 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3677 .start_ap
= ieee80211_start_ap
,
3678 .change_beacon
= ieee80211_change_beacon
,
3679 .stop_ap
= ieee80211_stop_ap
,
3680 .add_station
= ieee80211_add_station
,
3681 .del_station
= ieee80211_del_station
,
3682 .change_station
= ieee80211_change_station
,
3683 .get_station
= ieee80211_get_station
,
3684 .dump_station
= ieee80211_dump_station
,
3685 .dump_survey
= ieee80211_dump_survey
,
3686 #ifdef CONFIG_MAC80211_MESH
3687 .add_mpath
= ieee80211_add_mpath
,
3688 .del_mpath
= ieee80211_del_mpath
,
3689 .change_mpath
= ieee80211_change_mpath
,
3690 .get_mpath
= ieee80211_get_mpath
,
3691 .dump_mpath
= ieee80211_dump_mpath
,
3692 .get_mpp
= ieee80211_get_mpp
,
3693 .dump_mpp
= ieee80211_dump_mpp
,
3694 .update_mesh_config
= ieee80211_update_mesh_config
,
3695 .get_mesh_config
= ieee80211_get_mesh_config
,
3696 .join_mesh
= ieee80211_join_mesh
,
3697 .leave_mesh
= ieee80211_leave_mesh
,
3699 .join_ocb
= ieee80211_join_ocb
,
3700 .leave_ocb
= ieee80211_leave_ocb
,
3701 .change_bss
= ieee80211_change_bss
,
3702 .set_txq_params
= ieee80211_set_txq_params
,
3703 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3704 .suspend
= ieee80211_suspend
,
3705 .resume
= ieee80211_resume
,
3706 .scan
= ieee80211_scan
,
3707 .abort_scan
= ieee80211_abort_scan
,
3708 .sched_scan_start
= ieee80211_sched_scan_start
,
3709 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3710 .auth
= ieee80211_auth
,
3711 .assoc
= ieee80211_assoc
,
3712 .deauth
= ieee80211_deauth
,
3713 .disassoc
= ieee80211_disassoc
,
3714 .join_ibss
= ieee80211_join_ibss
,
3715 .leave_ibss
= ieee80211_leave_ibss
,
3716 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3717 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3718 .set_tx_power
= ieee80211_set_tx_power
,
3719 .get_tx_power
= ieee80211_get_tx_power
,
3720 .set_wds_peer
= ieee80211_set_wds_peer
,
3721 .rfkill_poll
= ieee80211_rfkill_poll
,
3722 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3723 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3724 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3725 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3726 .remain_on_channel
= ieee80211_remain_on_channel
,
3727 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3728 .mgmt_tx
= ieee80211_mgmt_tx
,
3729 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3730 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3731 .set_cqm_rssi_range_config
= ieee80211_set_cqm_rssi_range_config
,
3732 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3733 .set_antenna
= ieee80211_set_antenna
,
3734 .get_antenna
= ieee80211_get_antenna
,
3735 .set_rekey_data
= ieee80211_set_rekey_data
,
3736 .tdls_oper
= ieee80211_tdls_oper
,
3737 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3738 .tdls_channel_switch
= ieee80211_tdls_channel_switch
,
3739 .tdls_cancel_channel_switch
= ieee80211_tdls_cancel_channel_switch
,
3740 .probe_client
= ieee80211_probe_client
,
3741 .set_noack_map
= ieee80211_set_noack_map
,
3743 .set_wakeup
= ieee80211_set_wakeup
,
3745 .get_channel
= ieee80211_cfg_get_channel
,
3746 .start_radar_detection
= ieee80211_start_radar_detection
,
3747 .channel_switch
= ieee80211_channel_switch
,
3748 .set_qos_map
= ieee80211_set_qos_map
,
3749 .set_ap_chanwidth
= ieee80211_set_ap_chanwidth
,
3750 .add_tx_ts
= ieee80211_add_tx_ts
,
3751 .del_tx_ts
= ieee80211_del_tx_ts
,
3752 .start_nan
= ieee80211_start_nan
,
3753 .stop_nan
= ieee80211_stop_nan
,
3754 .nan_change_conf
= ieee80211_nan_change_conf
,
3755 .add_nan_func
= ieee80211_add_nan_func
,
3756 .del_nan_func
= ieee80211_del_nan_func
,
3757 .set_multicast_to_unicast
= ieee80211_set_multicast_to_unicast
,