2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct wireless_dev
*ieee80211_add_iface(struct wiphy
*wiphy
,
25 enum nl80211_iftype type
,
27 struct vif_params
*params
)
29 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
30 struct wireless_dev
*wdev
;
31 struct ieee80211_sub_if_data
*sdata
;
34 err
= ieee80211_if_add(local
, name
, &wdev
, type
, params
);
38 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
39 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
40 sdata
->u
.mntr_flags
= *flags
;
46 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev
));
53 static int ieee80211_change_iface(struct wiphy
*wiphy
,
54 struct net_device
*dev
,
55 enum nl80211_iftype type
, u32
*flags
,
56 struct vif_params
*params
)
58 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
61 ret
= ieee80211_if_change_type(sdata
, type
);
65 if (type
== NL80211_IFTYPE_AP_VLAN
&&
66 params
&& params
->use_4addr
== 0)
67 RCU_INIT_POINTER(sdata
->u
.vlan
.sta
, NULL
);
68 else if (type
== NL80211_IFTYPE_STATION
&&
69 params
&& params
->use_4addr
>= 0)
70 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
72 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
&& flags
) {
73 struct ieee80211_local
*local
= sdata
->local
;
75 if (ieee80211_sdata_running(sdata
)) {
76 u32 mask
= MONITOR_FLAG_COOK_FRAMES
|
80 * Prohibit MONITOR_FLAG_COOK_FRAMES and
81 * MONITOR_FLAG_ACTIVE to be changed while the
83 * Else we would need to add a lot of cruft
84 * to update everything:
85 * cooked_mntrs, monitor and all fif_* counters
86 * reconfigure hardware
88 if ((*flags
& mask
) != (sdata
->u
.mntr_flags
& mask
))
91 ieee80211_adjust_monitor_flags(sdata
, -1);
92 sdata
->u
.mntr_flags
= *flags
;
93 ieee80211_adjust_monitor_flags(sdata
, 1);
95 ieee80211_configure_filter(local
);
98 * Because the interface is down, ieee80211_do_stop
99 * and ieee80211_do_open take care of "everything"
100 * mentioned in the comment above.
102 sdata
->u
.mntr_flags
= *flags
;
109 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
110 struct wireless_dev
*wdev
)
112 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
115 mutex_lock(&sdata
->local
->chanctx_mtx
);
116 ret
= ieee80211_check_combinations(sdata
, NULL
, 0, 0);
117 mutex_unlock(&sdata
->local
->chanctx_mtx
);
121 return ieee80211_do_open(wdev
, true);
124 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
125 struct wireless_dev
*wdev
)
127 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
130 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
131 struct net_device
*dev
,
134 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
136 sdata
->noack_map
= noack_map
;
140 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
141 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
142 struct key_params
*params
)
144 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
145 struct ieee80211_local
*local
= sdata
->local
;
146 struct sta_info
*sta
= NULL
;
147 const struct ieee80211_cipher_scheme
*cs
= NULL
;
148 struct ieee80211_key
*key
;
151 if (!ieee80211_sdata_running(sdata
))
154 /* reject WEP and TKIP keys if WEP failed to initialize */
155 switch (params
->cipher
) {
156 case WLAN_CIPHER_SUITE_WEP40
:
157 case WLAN_CIPHER_SUITE_TKIP
:
158 case WLAN_CIPHER_SUITE_WEP104
:
159 if (IS_ERR(local
->wep_tx_tfm
))
162 case WLAN_CIPHER_SUITE_CCMP
:
163 case WLAN_CIPHER_SUITE_AES_CMAC
:
164 case WLAN_CIPHER_SUITE_GCMP
:
167 cs
= ieee80211_cs_get(local
, params
->cipher
, sdata
->vif
.type
);
171 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
172 params
->key
, params
->seq_len
, params
->seq
,
178 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
180 mutex_lock(&local
->sta_mtx
);
183 if (ieee80211_vif_is_mesh(&sdata
->vif
))
184 sta
= sta_info_get(sdata
, mac_addr
);
186 sta
= sta_info_get_bss(sdata
, mac_addr
);
188 * The ASSOC test makes sure the driver is ready to
189 * receive the key. When wpa_supplicant has roamed
190 * using FT, it attempts to set the key before
191 * association has completed, this rejects that attempt
192 * so it will set the key again after assocation.
194 * TODO: accept the key if we have a station entry and
195 * add it to the device after the station.
197 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
198 ieee80211_key_free_unused(key
);
204 switch (sdata
->vif
.type
) {
205 case NL80211_IFTYPE_STATION
:
206 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
207 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
209 case NL80211_IFTYPE_AP
:
210 case NL80211_IFTYPE_AP_VLAN
:
211 /* Keys without a station are used for TX only */
212 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
213 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
215 case NL80211_IFTYPE_ADHOC
:
218 case NL80211_IFTYPE_MESH_POINT
:
219 #ifdef CONFIG_MAC80211_MESH
220 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
221 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
224 case NL80211_IFTYPE_WDS
:
225 case NL80211_IFTYPE_MONITOR
:
226 case NL80211_IFTYPE_P2P_DEVICE
:
227 case NL80211_IFTYPE_UNSPECIFIED
:
228 case NUM_NL80211_IFTYPES
:
229 case NL80211_IFTYPE_P2P_CLIENT
:
230 case NL80211_IFTYPE_P2P_GO
:
231 /* shouldn't happen */
237 sta
->cipher_scheme
= cs
;
239 err
= ieee80211_key_link(key
, sdata
, sta
);
242 mutex_unlock(&local
->sta_mtx
);
247 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
248 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
250 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
251 struct ieee80211_local
*local
= sdata
->local
;
252 struct sta_info
*sta
;
253 struct ieee80211_key
*key
= NULL
;
256 mutex_lock(&local
->sta_mtx
);
257 mutex_lock(&local
->key_mtx
);
262 sta
= sta_info_get_bss(sdata
, mac_addr
);
267 key
= key_mtx_dereference(local
, sta
->ptk
[key_idx
]);
269 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
271 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
278 ieee80211_key_free(key
, true);
282 mutex_unlock(&local
->key_mtx
);
283 mutex_unlock(&local
->sta_mtx
);
288 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
289 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
291 void (*callback
)(void *cookie
,
292 struct key_params
*params
))
294 struct ieee80211_sub_if_data
*sdata
;
295 struct sta_info
*sta
= NULL
;
297 struct key_params params
;
298 struct ieee80211_key
*key
= NULL
;
304 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
309 sta
= sta_info_get_bss(sdata
, mac_addr
);
313 if (pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
314 key
= rcu_dereference(sta
->ptk
[key_idx
]);
315 else if (!pairwise
&&
316 key_idx
< NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
)
317 key
= rcu_dereference(sta
->gtk
[key_idx
]);
319 key
= rcu_dereference(sdata
->keys
[key_idx
]);
324 memset(¶ms
, 0, sizeof(params
));
326 params
.cipher
= key
->conf
.cipher
;
328 switch (key
->conf
.cipher
) {
329 case WLAN_CIPHER_SUITE_TKIP
:
330 iv32
= key
->u
.tkip
.tx
.iv32
;
331 iv16
= key
->u
.tkip
.tx
.iv16
;
333 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
334 drv_get_tkip_seq(sdata
->local
,
335 key
->conf
.hw_key_idx
,
338 seq
[0] = iv16
& 0xff;
339 seq
[1] = (iv16
>> 8) & 0xff;
340 seq
[2] = iv32
& 0xff;
341 seq
[3] = (iv32
>> 8) & 0xff;
342 seq
[4] = (iv32
>> 16) & 0xff;
343 seq
[5] = (iv32
>> 24) & 0xff;
347 case WLAN_CIPHER_SUITE_CCMP
:
348 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
358 case WLAN_CIPHER_SUITE_AES_CMAC
:
359 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
371 params
.key
= key
->conf
.key
;
372 params
.key_len
= key
->conf
.keylen
;
374 callback(cookie
, ¶ms
);
382 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
383 struct net_device
*dev
,
384 u8 key_idx
, bool uni
,
387 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
389 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
394 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
395 struct net_device
*dev
,
398 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
400 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
405 void sta_set_rate_info_tx(struct sta_info
*sta
,
406 const struct ieee80211_tx_rate
*rate
,
407 struct rate_info
*rinfo
)
410 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
411 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
412 rinfo
->mcs
= rate
->idx
;
413 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
414 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
415 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
416 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
418 struct ieee80211_supported_band
*sband
;
419 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
422 sband
= sta
->local
->hw
.wiphy
->bands
[
423 ieee80211_get_sdata_band(sta
->sdata
)];
424 brate
= sband
->bitrates
[rate
->idx
].bitrate
;
425 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
427 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
428 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
429 if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
430 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
431 if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
432 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
433 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
434 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
437 void sta_set_rate_info_rx(struct sta_info
*sta
, struct rate_info
*rinfo
)
441 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
) {
442 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
443 rinfo
->mcs
= sta
->last_rx_rate_idx
;
444 } else if (sta
->last_rx_rate_flag
& RX_FLAG_VHT
) {
445 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
446 rinfo
->nss
= sta
->last_rx_rate_vht_nss
;
447 rinfo
->mcs
= sta
->last_rx_rate_idx
;
449 struct ieee80211_supported_band
*sband
;
450 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
453 sband
= sta
->local
->hw
.wiphy
->bands
[
454 ieee80211_get_sdata_band(sta
->sdata
)];
455 brate
= sband
->bitrates
[sta
->last_rx_rate_idx
].bitrate
;
456 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
459 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
460 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
461 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
462 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
463 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_80MHZ
)
464 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
465 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_80P80MHZ
)
466 rinfo
->flags
|= RATE_INFO_FLAGS_80P80_MHZ_WIDTH
;
467 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_160MHZ
)
468 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
471 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
472 int idx
, u8
*mac
, struct station_info
*sinfo
)
474 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
475 struct ieee80211_local
*local
= sdata
->local
;
476 struct sta_info
*sta
;
479 mutex_lock(&local
->sta_mtx
);
481 sta
= sta_info_get_by_idx(sdata
, idx
);
484 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
485 sta_set_sinfo(sta
, sinfo
);
488 mutex_unlock(&local
->sta_mtx
);
493 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
494 int idx
, struct survey_info
*survey
)
496 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
498 return drv_get_survey(local
, idx
, survey
);
501 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
502 const u8
*mac
, struct station_info
*sinfo
)
504 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
505 struct ieee80211_local
*local
= sdata
->local
;
506 struct sta_info
*sta
;
509 mutex_lock(&local
->sta_mtx
);
511 sta
= sta_info_get_bss(sdata
, mac
);
514 sta_set_sinfo(sta
, sinfo
);
517 mutex_unlock(&local
->sta_mtx
);
522 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
523 struct cfg80211_chan_def
*chandef
)
525 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
526 struct ieee80211_sub_if_data
*sdata
;
529 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
532 mutex_lock(&local
->mtx
);
533 mutex_lock(&local
->iflist_mtx
);
534 if (local
->use_chanctx
) {
535 sdata
= rcu_dereference_protected(
536 local
->monitor_sdata
,
537 lockdep_is_held(&local
->iflist_mtx
));
539 ieee80211_vif_release_channel(sdata
);
540 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
541 IEEE80211_CHANCTX_EXCLUSIVE
);
543 } else if (local
->open_count
== local
->monitors
) {
544 local
->_oper_chandef
= *chandef
;
545 ieee80211_hw_config(local
, 0);
549 local
->monitor_chandef
= *chandef
;
550 mutex_unlock(&local
->iflist_mtx
);
551 mutex_unlock(&local
->mtx
);
556 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
557 const u8
*resp
, size_t resp_len
,
558 const struct ieee80211_csa_settings
*csa
)
560 struct probe_resp
*new, *old
;
562 if (!resp
|| !resp_len
)
565 old
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
567 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
572 memcpy(new->data
, resp
, resp_len
);
575 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_presp
,
576 csa
->n_counter_offsets_presp
*
577 sizeof(new->csa_counter_offsets
[0]));
579 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
581 kfree_rcu(old
, rcu_head
);
586 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
587 struct cfg80211_beacon_data
*params
,
588 const struct ieee80211_csa_settings
*csa
)
590 struct beacon_data
*new, *old
;
591 int new_head_len
, new_tail_len
;
593 u32 changed
= BSS_CHANGED_BEACON
;
595 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
598 /* Need to have a beacon head if we don't have one yet */
599 if (!params
->head
&& !old
)
602 /* new or old head? */
604 new_head_len
= params
->head_len
;
606 new_head_len
= old
->head_len
;
608 /* new or old tail? */
609 if (params
->tail
|| !old
)
610 /* params->tail_len will be zero for !params->tail */
611 new_tail_len
= params
->tail_len
;
613 new_tail_len
= old
->tail_len
;
615 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
617 new = kzalloc(size
, GFP_KERNEL
);
621 /* start filling the new info now */
624 * pointers go into the block we allocated,
625 * memory is | beacon_data | head | tail |
627 new->head
= ((u8
*) new) + sizeof(*new);
628 new->tail
= new->head
+ new_head_len
;
629 new->head_len
= new_head_len
;
630 new->tail_len
= new_tail_len
;
633 new->csa_current_counter
= csa
->count
;
634 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_beacon
,
635 csa
->n_counter_offsets_beacon
*
636 sizeof(new->csa_counter_offsets
[0]));
641 memcpy(new->head
, params
->head
, new_head_len
);
643 memcpy(new->head
, old
->head
, new_head_len
);
645 /* copy in optional tail */
647 memcpy(new->tail
, params
->tail
, new_tail_len
);
650 memcpy(new->tail
, old
->tail
, new_tail_len
);
652 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
653 params
->probe_resp_len
, csa
);
657 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
659 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
662 kfree_rcu(old
, rcu_head
);
667 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
668 struct cfg80211_ap_settings
*params
)
670 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
671 struct ieee80211_local
*local
= sdata
->local
;
672 struct beacon_data
*old
;
673 struct ieee80211_sub_if_data
*vlan
;
674 u32 changed
= BSS_CHANGED_BEACON_INT
|
675 BSS_CHANGED_BEACON_ENABLED
|
681 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
685 /* TODO: make hostapd tell us what it wants */
686 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
687 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
689 mutex_lock(&local
->mtx
);
690 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
691 IEEE80211_CHANCTX_SHARED
);
693 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
694 mutex_unlock(&local
->mtx
);
699 * Apply control port protocol, this allows us to
700 * not encrypt dynamic WEP control frames.
702 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
703 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
704 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
708 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
709 vlan
->control_port_protocol
=
710 params
->crypto
.control_port_ethertype
;
711 vlan
->control_port_no_encrypt
=
712 params
->crypto
.control_port_no_encrypt
;
713 vlan
->encrypt_headroom
=
714 ieee80211_cs_headroom(sdata
->local
,
719 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
720 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
721 sdata
->vif
.bss_conf
.enable_beacon
= true;
723 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
724 if (params
->ssid_len
)
725 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
727 sdata
->vif
.bss_conf
.hidden_ssid
=
728 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
730 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
731 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
732 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
733 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
734 if (params
->p2p_opp_ps
)
735 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
736 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
738 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
, NULL
);
740 ieee80211_vif_release_channel(sdata
);
745 err
= drv_start_ap(sdata
->local
, sdata
);
747 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
750 kfree_rcu(old
, rcu_head
);
751 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
752 ieee80211_vif_release_channel(sdata
);
756 ieee80211_recalc_dtim(local
, sdata
);
757 ieee80211_bss_info_change_notify(sdata
, changed
);
759 netif_carrier_on(dev
);
760 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
761 netif_carrier_on(vlan
->dev
);
766 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
767 struct cfg80211_beacon_data
*params
)
769 struct ieee80211_sub_if_data
*sdata
;
770 struct beacon_data
*old
;
773 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
774 sdata_assert_lock(sdata
);
776 /* don't allow changing the beacon while CSA is in place - offset
777 * of channel switch counter may change
779 if (sdata
->vif
.csa_active
)
782 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
786 err
= ieee80211_assign_beacon(sdata
, params
, NULL
);
789 ieee80211_bss_info_change_notify(sdata
, err
);
793 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
795 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
796 struct ieee80211_sub_if_data
*vlan
;
797 struct ieee80211_local
*local
= sdata
->local
;
798 struct beacon_data
*old_beacon
;
799 struct probe_resp
*old_probe_resp
;
800 struct cfg80211_chan_def chandef
;
802 sdata_assert_lock(sdata
);
804 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
807 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
809 /* abort any running channel switch */
810 mutex_lock(&local
->mtx
);
811 sdata
->vif
.csa_active
= false;
812 if (sdata
->csa_block_tx
) {
813 ieee80211_wake_vif_queues(local
, sdata
,
814 IEEE80211_QUEUE_STOP_REASON_CSA
);
815 sdata
->csa_block_tx
= false;
818 mutex_unlock(&local
->mtx
);
820 kfree(sdata
->u
.ap
.next_beacon
);
821 sdata
->u
.ap
.next_beacon
= NULL
;
823 /* turn off carrier for this interface and dependent VLANs */
824 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
825 netif_carrier_off(vlan
->dev
);
826 netif_carrier_off(dev
);
828 /* remove beacon and probe response */
829 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
830 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
831 kfree_rcu(old_beacon
, rcu_head
);
833 kfree_rcu(old_probe_resp
, rcu_head
);
834 sdata
->u
.ap
.driver_smps_mode
= IEEE80211_SMPS_OFF
;
836 __sta_info_flush(sdata
, true);
837 ieee80211_free_keys(sdata
, true);
839 sdata
->vif
.bss_conf
.enable_beacon
= false;
840 sdata
->vif
.bss_conf
.ssid_len
= 0;
841 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
842 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
844 if (sdata
->wdev
.cac_started
) {
845 chandef
= sdata
->vif
.bss_conf
.chandef
;
846 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
847 cfg80211_cac_event(sdata
->dev
, &chandef
,
848 NL80211_RADAR_CAC_ABORTED
,
852 drv_stop_ap(sdata
->local
, sdata
);
854 /* free all potentially still buffered bcast frames */
855 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
856 skb_queue_purge(&sdata
->u
.ap
.ps
.bc_buf
);
858 mutex_lock(&local
->mtx
);
859 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
860 ieee80211_vif_release_channel(sdata
);
861 mutex_unlock(&local
->mtx
);
866 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
867 struct iapp_layer2_update
{
868 u8 da
[ETH_ALEN
]; /* broadcast */
869 u8 sa
[ETH_ALEN
]; /* STA addr */
877 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
879 struct iapp_layer2_update
*msg
;
882 /* Send Level 2 Update Frame to update forwarding tables in layer 2
885 skb
= dev_alloc_skb(sizeof(*msg
));
888 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
890 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
891 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
893 eth_broadcast_addr(msg
->da
);
894 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
897 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
898 msg
->control
= 0xaf; /* XID response lsb.1111F101.
899 * F=0 (no poll command; unsolicited frame) */
900 msg
->xid_info
[0] = 0x81; /* XID format identifier */
901 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
902 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
904 skb
->dev
= sta
->sdata
->dev
;
905 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
906 memset(skb
->cb
, 0, sizeof(skb
->cb
));
910 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
911 struct sta_info
*sta
,
916 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
917 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
918 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
919 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
924 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
925 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
926 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
927 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
932 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
933 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
934 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
935 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
936 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
943 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
944 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
945 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
946 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
951 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
952 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
953 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
954 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
962 static int sta_apply_parameters(struct ieee80211_local
*local
,
963 struct sta_info
*sta
,
964 struct station_parameters
*params
)
967 struct ieee80211_supported_band
*sband
;
968 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
969 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
972 sband
= local
->hw
.wiphy
->bands
[band
];
974 mask
= params
->sta_flags_mask
;
975 set
= params
->sta_flags_set
;
977 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
979 * In mesh mode, ASSOCIATED isn't part of the nl80211
980 * API but must follow AUTHENTICATED for driver state.
982 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
983 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
984 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
985 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
986 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
988 * TDLS -- everything follows authorized, but
989 * only becoming authorized is possible, not
992 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
993 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
994 BIT(NL80211_STA_FLAG_ASSOCIATED
);
995 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
996 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1000 /* auth flags will be set later for TDLS stations */
1001 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1002 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1007 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1008 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1009 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1011 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1014 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1015 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1016 set_sta_flag(sta
, WLAN_STA_WME
);
1017 sta
->sta
.wme
= true;
1019 clear_sta_flag(sta
, WLAN_STA_WME
);
1020 sta
->sta
.wme
= false;
1024 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1025 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1026 set_sta_flag(sta
, WLAN_STA_MFP
);
1028 clear_sta_flag(sta
, WLAN_STA_MFP
);
1031 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1032 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1033 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1035 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1038 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1039 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1040 sta
->sta
.max_sp
= params
->max_sp
;
1044 * cfg80211 validates this (1-2007) and allows setting the AID
1045 * only when creating a new station entry
1048 sta
->sta
.aid
= params
->aid
;
1051 * Some of the following updates would be racy if called on an
1052 * existing station, via ieee80211_change_station(). However,
1053 * all such changes are rejected by cfg80211 except for updates
1054 * changing the supported rates on an existing but not yet used
1058 if (params
->listen_interval
>= 0)
1059 sta
->listen_interval
= params
->listen_interval
;
1061 if (params
->supported_rates
) {
1062 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1063 sband
, params
->supported_rates
,
1064 params
->supported_rates_len
,
1065 &sta
->sta
.supp_rates
[band
]);
1068 if (params
->ht_capa
)
1069 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1070 params
->ht_capa
, sta
);
1072 if (params
->vht_capa
)
1073 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1074 params
->vht_capa
, sta
);
1076 if (params
->opmode_notif_used
) {
1077 /* returned value is only needed for rc update, but the
1078 * rc isn't initialized here yet, so ignore it
1080 __ieee80211_vht_handle_opmode(sdata
, sta
,
1081 params
->opmode_notif
,
1085 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1086 #ifdef CONFIG_MAC80211_MESH
1089 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1090 switch (params
->plink_state
) {
1091 case NL80211_PLINK_ESTAB
:
1092 if (sta
->plink_state
!= NL80211_PLINK_ESTAB
)
1093 changed
= mesh_plink_inc_estab_count(
1095 sta
->plink_state
= params
->plink_state
;
1097 ieee80211_mps_sta_status_update(sta
);
1098 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1099 sdata
->u
.mesh
.mshcfg
.power_mode
);
1101 case NL80211_PLINK_LISTEN
:
1102 case NL80211_PLINK_BLOCKED
:
1103 case NL80211_PLINK_OPN_SNT
:
1104 case NL80211_PLINK_OPN_RCVD
:
1105 case NL80211_PLINK_CNF_RCVD
:
1106 case NL80211_PLINK_HOLDING
:
1107 if (sta
->plink_state
== NL80211_PLINK_ESTAB
)
1108 changed
= mesh_plink_dec_estab_count(
1110 sta
->plink_state
= params
->plink_state
;
1112 ieee80211_mps_sta_status_update(sta
);
1113 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1114 NL80211_MESH_POWER_UNKNOWN
);
1122 switch (params
->plink_action
) {
1123 case NL80211_PLINK_ACTION_NO_ACTION
:
1126 case NL80211_PLINK_ACTION_OPEN
:
1127 changed
|= mesh_plink_open(sta
);
1129 case NL80211_PLINK_ACTION_BLOCK
:
1130 changed
|= mesh_plink_block(sta
);
1134 if (params
->local_pm
)
1136 ieee80211_mps_set_sta_local_pm(sta
,
1138 ieee80211_mbss_info_change_notify(sdata
, changed
);
1142 /* set the STA state after all sta info from usermode has been set */
1143 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1144 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1152 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1154 struct station_parameters
*params
)
1156 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1157 struct sta_info
*sta
;
1158 struct ieee80211_sub_if_data
*sdata
;
1163 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1165 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1166 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1169 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1171 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1174 if (is_multicast_ether_addr(mac
))
1177 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1182 * defaults -- if userspace wants something else we'll
1183 * change it accordingly in sta_apply_parameters()
1185 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))) {
1186 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1187 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1189 sta
->sta
.tdls
= true;
1192 err
= sta_apply_parameters(local
, sta
, params
);
1194 sta_info_free(local
, sta
);
1199 * for TDLS, rate control should be initialized only when
1200 * rates are known and station is marked authorized
1202 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1203 rate_control_rate_init(sta
);
1205 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1206 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1208 err
= sta_info_insert_rcu(sta
);
1215 ieee80211_send_layer2_update(sta
);
1222 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1225 struct ieee80211_sub_if_data
*sdata
;
1227 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1230 return sta_info_destroy_addr_bss(sdata
, mac
);
1232 sta_info_flush(sdata
);
1236 static int ieee80211_change_station(struct wiphy
*wiphy
,
1237 struct net_device
*dev
, const u8
*mac
,
1238 struct station_parameters
*params
)
1240 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1241 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1242 struct sta_info
*sta
;
1243 struct ieee80211_sub_if_data
*vlansdata
;
1244 enum cfg80211_station_type statype
;
1247 mutex_lock(&local
->sta_mtx
);
1249 sta
= sta_info_get_bss(sdata
, mac
);
1255 switch (sdata
->vif
.type
) {
1256 case NL80211_IFTYPE_MESH_POINT
:
1257 if (sdata
->u
.mesh
.user_mpm
)
1258 statype
= CFG80211_STA_MESH_PEER_USER
;
1260 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1262 case NL80211_IFTYPE_ADHOC
:
1263 statype
= CFG80211_STA_IBSS
;
1265 case NL80211_IFTYPE_STATION
:
1266 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1267 statype
= CFG80211_STA_AP_STA
;
1270 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1271 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1273 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1275 case NL80211_IFTYPE_AP
:
1276 case NL80211_IFTYPE_AP_VLAN
:
1277 statype
= CFG80211_STA_AP_CLIENT
;
1284 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1288 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1289 bool prev_4addr
= false;
1290 bool new_4addr
= false;
1292 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1294 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1295 if (vlansdata
->u
.vlan
.sta
) {
1300 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1304 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1305 sta
->sdata
->u
.vlan
.sta
) {
1306 RCU_INIT_POINTER(sta
->sdata
->u
.vlan
.sta
, NULL
);
1310 sta
->sdata
= vlansdata
;
1312 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1313 prev_4addr
!= new_4addr
) {
1315 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1317 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1320 ieee80211_send_layer2_update(sta
);
1323 err
= sta_apply_parameters(local
, sta
, params
);
1327 /* When peer becomes authorized, init rate control as well */
1328 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1329 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1330 rate_control_rate_init(sta
);
1332 mutex_unlock(&local
->sta_mtx
);
1334 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1335 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1336 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1337 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1338 sta_info_tx_streams(sta
) != 1) {
1340 "%pM just authorized and MIMO capable - update SMPS\n",
1342 ieee80211_send_smps_action(sta
->sdata
,
1343 sta
->sdata
->bss
->req_smps
,
1345 sta
->sdata
->vif
.bss_conf
.bssid
);
1348 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1349 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1350 ieee80211_recalc_ps(local
, -1);
1351 ieee80211_recalc_ps_vif(sdata
);
1356 mutex_unlock(&local
->sta_mtx
);
1360 #ifdef CONFIG_MAC80211_MESH
1361 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1362 const u8
*dst
, const u8
*next_hop
)
1364 struct ieee80211_sub_if_data
*sdata
;
1365 struct mesh_path
*mpath
;
1366 struct sta_info
*sta
;
1368 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1371 sta
= sta_info_get(sdata
, next_hop
);
1377 mpath
= mesh_path_add(sdata
, dst
);
1378 if (IS_ERR(mpath
)) {
1380 return PTR_ERR(mpath
);
1383 mesh_path_fix_nexthop(mpath
, sta
);
1389 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1392 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1395 return mesh_path_del(sdata
, dst
);
1397 mesh_path_flush_by_iface(sdata
);
1401 static int ieee80211_change_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1402 const u8
*dst
, const u8
*next_hop
)
1404 struct ieee80211_sub_if_data
*sdata
;
1405 struct mesh_path
*mpath
;
1406 struct sta_info
*sta
;
1408 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1412 sta
= sta_info_get(sdata
, next_hop
);
1418 mpath
= mesh_path_lookup(sdata
, dst
);
1424 mesh_path_fix_nexthop(mpath
, sta
);
1430 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1431 struct mpath_info
*pinfo
)
1433 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1436 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1438 memset(next_hop
, 0, ETH_ALEN
);
1440 memset(pinfo
, 0, sizeof(*pinfo
));
1442 pinfo
->generation
= mesh_paths_generation
;
1444 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1447 MPATH_INFO_EXPTIME
|
1448 MPATH_INFO_DISCOVERY_TIMEOUT
|
1449 MPATH_INFO_DISCOVERY_RETRIES
|
1452 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1453 pinfo
->sn
= mpath
->sn
;
1454 pinfo
->metric
= mpath
->metric
;
1455 if (time_before(jiffies
, mpath
->exp_time
))
1456 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1457 pinfo
->discovery_timeout
=
1458 jiffies_to_msecs(mpath
->discovery_timeout
);
1459 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1460 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1461 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1462 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1463 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1464 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1465 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1466 if (mpath
->flags
& MESH_PATH_FIXED
)
1467 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1468 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1469 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1472 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1473 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1476 struct ieee80211_sub_if_data
*sdata
;
1477 struct mesh_path
*mpath
;
1479 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1482 mpath
= mesh_path_lookup(sdata
, dst
);
1487 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1488 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1493 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1494 int idx
, u8
*dst
, u8
*next_hop
,
1495 struct mpath_info
*pinfo
)
1497 struct ieee80211_sub_if_data
*sdata
;
1498 struct mesh_path
*mpath
;
1500 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1503 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1508 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1509 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1514 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1515 struct net_device
*dev
,
1516 struct mesh_config
*conf
)
1518 struct ieee80211_sub_if_data
*sdata
;
1519 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1521 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1525 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1527 return (mask
>> (parm
-1)) & 0x1;
1530 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1531 const struct mesh_setup
*setup
)
1535 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1536 struct ieee80211_sub_if_data
, u
.mesh
);
1538 /* allocate information elements */
1542 if (setup
->ie_len
) {
1543 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1548 ifmsh
->ie_len
= setup
->ie_len
;
1552 /* now copy the rest of the setup parameters */
1553 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1554 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1555 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1556 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1557 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1558 ifmsh
->user_mpm
= setup
->user_mpm
;
1559 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1560 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1561 if (setup
->is_authenticated
)
1562 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1563 if (setup
->is_secure
)
1564 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1566 /* mcast rate setting in Mesh Node */
1567 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1568 sizeof(setup
->mcast_rate
));
1569 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1571 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1572 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1577 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1578 struct net_device
*dev
, u32 mask
,
1579 const struct mesh_config
*nconf
)
1581 struct mesh_config
*conf
;
1582 struct ieee80211_sub_if_data
*sdata
;
1583 struct ieee80211_if_mesh
*ifmsh
;
1585 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1586 ifmsh
= &sdata
->u
.mesh
;
1588 /* Set the config options which we are interested in setting */
1589 conf
= &(sdata
->u
.mesh
.mshcfg
);
1590 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1591 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1592 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1593 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1594 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1595 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1596 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1597 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1598 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1599 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1600 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1601 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1602 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1603 conf
->element_ttl
= nconf
->element_ttl
;
1604 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1605 if (ifmsh
->user_mpm
)
1607 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1609 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1610 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1611 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1612 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1613 conf
->dot11MeshHWMPmaxPREQretries
=
1614 nconf
->dot11MeshHWMPmaxPREQretries
;
1615 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1616 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1617 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1618 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1619 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1620 conf
->dot11MeshHWMPactivePathTimeout
=
1621 nconf
->dot11MeshHWMPactivePathTimeout
;
1622 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1623 conf
->dot11MeshHWMPpreqMinInterval
=
1624 nconf
->dot11MeshHWMPpreqMinInterval
;
1625 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1626 conf
->dot11MeshHWMPperrMinInterval
=
1627 nconf
->dot11MeshHWMPperrMinInterval
;
1628 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1630 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1631 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1632 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1633 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1634 ieee80211_mesh_root_setup(ifmsh
);
1636 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1637 /* our current gate announcement implementation rides on root
1638 * announcements, so require this ifmsh to also be a root node
1640 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1641 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1642 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1643 ieee80211_mesh_root_setup(ifmsh
);
1645 conf
->dot11MeshGateAnnouncementProtocol
=
1646 nconf
->dot11MeshGateAnnouncementProtocol
;
1648 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1649 conf
->dot11MeshHWMPRannInterval
=
1650 nconf
->dot11MeshHWMPRannInterval
;
1651 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1652 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1653 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1654 /* our RSSI threshold implementation is supported only for
1655 * devices that report signal in dBm.
1657 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1659 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1661 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1662 conf
->ht_opmode
= nconf
->ht_opmode
;
1663 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1664 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1666 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1667 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1668 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1669 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1670 conf
->dot11MeshHWMProotInterval
=
1671 nconf
->dot11MeshHWMProotInterval
;
1672 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1673 conf
->dot11MeshHWMPconfirmationInterval
=
1674 nconf
->dot11MeshHWMPconfirmationInterval
;
1675 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1676 conf
->power_mode
= nconf
->power_mode
;
1677 ieee80211_mps_local_status_update(sdata
);
1679 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
1680 conf
->dot11MeshAwakeWindowDuration
=
1681 nconf
->dot11MeshAwakeWindowDuration
;
1682 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
1683 conf
->plink_timeout
= nconf
->plink_timeout
;
1684 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
1688 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1689 const struct mesh_config
*conf
,
1690 const struct mesh_setup
*setup
)
1692 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1693 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1696 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1697 err
= copy_mesh_setup(ifmsh
, setup
);
1701 /* can mesh use other SMPS modes? */
1702 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
1703 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
1705 mutex_lock(&sdata
->local
->mtx
);
1706 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
1707 IEEE80211_CHANCTX_SHARED
);
1708 mutex_unlock(&sdata
->local
->mtx
);
1712 return ieee80211_start_mesh(sdata
);
1715 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1717 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1719 ieee80211_stop_mesh(sdata
);
1720 mutex_lock(&sdata
->local
->mtx
);
1721 ieee80211_vif_release_channel(sdata
);
1722 mutex_unlock(&sdata
->local
->mtx
);
1728 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1729 struct net_device
*dev
,
1730 struct bss_parameters
*params
)
1732 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1733 enum ieee80211_band band
;
1736 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
1739 band
= ieee80211_get_sdata_band(sdata
);
1741 if (params
->use_cts_prot
>= 0) {
1742 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1743 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1745 if (params
->use_short_preamble
>= 0) {
1746 sdata
->vif
.bss_conf
.use_short_preamble
=
1747 params
->use_short_preamble
;
1748 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1751 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1752 band
== IEEE80211_BAND_5GHZ
) {
1753 sdata
->vif
.bss_conf
.use_short_slot
= true;
1754 changed
|= BSS_CHANGED_ERP_SLOT
;
1757 if (params
->use_short_slot_time
>= 0) {
1758 sdata
->vif
.bss_conf
.use_short_slot
=
1759 params
->use_short_slot_time
;
1760 changed
|= BSS_CHANGED_ERP_SLOT
;
1763 if (params
->basic_rates
) {
1764 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1766 params
->basic_rates
,
1767 params
->basic_rates_len
,
1768 &sdata
->vif
.bss_conf
.basic_rates
);
1769 changed
|= BSS_CHANGED_BASIC_RATES
;
1772 if (params
->ap_isolate
>= 0) {
1773 if (params
->ap_isolate
)
1774 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1776 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1779 if (params
->ht_opmode
>= 0) {
1780 sdata
->vif
.bss_conf
.ht_operation_mode
=
1781 (u16
) params
->ht_opmode
;
1782 changed
|= BSS_CHANGED_HT
;
1785 if (params
->p2p_ctwindow
>= 0) {
1786 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1787 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1788 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1789 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1790 changed
|= BSS_CHANGED_P2P_PS
;
1793 if (params
->p2p_opp_ps
> 0) {
1794 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1795 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1796 changed
|= BSS_CHANGED_P2P_PS
;
1797 } else if (params
->p2p_opp_ps
== 0) {
1798 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1799 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1800 changed
|= BSS_CHANGED_P2P_PS
;
1803 ieee80211_bss_info_change_notify(sdata
, changed
);
1808 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1809 struct net_device
*dev
,
1810 struct ieee80211_txq_params
*params
)
1812 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1813 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1814 struct ieee80211_tx_queue_params p
;
1816 if (!local
->ops
->conf_tx
)
1819 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1822 memset(&p
, 0, sizeof(p
));
1823 p
.aifs
= params
->aifs
;
1824 p
.cw_max
= params
->cwmax
;
1825 p
.cw_min
= params
->cwmin
;
1826 p
.txop
= params
->txop
;
1829 * Setting tx queue params disables u-apsd because it's only
1830 * called in master mode.
1834 sdata
->tx_conf
[params
->ac
] = p
;
1835 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1836 wiphy_debug(local
->hw
.wiphy
,
1837 "failed to set TX queue parameters for AC %d\n",
1842 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1848 static int ieee80211_suspend(struct wiphy
*wiphy
,
1849 struct cfg80211_wowlan
*wowlan
)
1851 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1854 static int ieee80211_resume(struct wiphy
*wiphy
)
1856 return __ieee80211_resume(wiphy_priv(wiphy
));
1859 #define ieee80211_suspend NULL
1860 #define ieee80211_resume NULL
1863 static int ieee80211_scan(struct wiphy
*wiphy
,
1864 struct cfg80211_scan_request
*req
)
1866 struct ieee80211_sub_if_data
*sdata
;
1868 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1870 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1871 case NL80211_IFTYPE_STATION
:
1872 case NL80211_IFTYPE_ADHOC
:
1873 case NL80211_IFTYPE_MESH_POINT
:
1874 case NL80211_IFTYPE_P2P_CLIENT
:
1875 case NL80211_IFTYPE_P2P_DEVICE
:
1877 case NL80211_IFTYPE_P2P_GO
:
1878 if (sdata
->local
->ops
->hw_scan
)
1881 * FIXME: implement NoA while scanning in software,
1882 * for now fall through to allow scanning only when
1883 * beaconing hasn't been configured yet
1885 case NL80211_IFTYPE_AP
:
1887 * If the scan has been forced (and the driver supports
1888 * forcing), don't care about being beaconing already.
1889 * This will create problems to the attached stations (e.g. all
1890 * the frames sent while scanning on other channel will be
1893 if (sdata
->u
.ap
.beacon
&&
1894 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
1895 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
1902 return ieee80211_request_scan(sdata
, req
);
1906 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1907 struct net_device
*dev
,
1908 struct cfg80211_sched_scan_request
*req
)
1910 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1912 if (!sdata
->local
->ops
->sched_scan_start
)
1915 return ieee80211_request_sched_scan_start(sdata
, req
);
1919 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1921 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1923 if (!sdata
->local
->ops
->sched_scan_stop
)
1926 return ieee80211_request_sched_scan_stop(sdata
);
1929 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1930 struct cfg80211_auth_request
*req
)
1932 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1935 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1936 struct cfg80211_assoc_request
*req
)
1938 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1941 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1942 struct cfg80211_deauth_request
*req
)
1944 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1947 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1948 struct cfg80211_disassoc_request
*req
)
1950 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1953 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1954 struct cfg80211_ibss_params
*params
)
1956 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
1959 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1961 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
1964 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
1965 int rate
[IEEE80211_NUM_BANDS
])
1967 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1969 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
1970 sizeof(int) * IEEE80211_NUM_BANDS
);
1975 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1977 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1980 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1981 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1987 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1988 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1994 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1995 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2001 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2002 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2004 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2006 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2007 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2009 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2012 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2013 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2018 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2019 struct wireless_dev
*wdev
,
2020 enum nl80211_tx_power_setting type
, int mbm
)
2022 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2023 struct ieee80211_sub_if_data
*sdata
;
2026 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2029 case NL80211_TX_POWER_AUTOMATIC
:
2030 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2032 case NL80211_TX_POWER_LIMITED
:
2033 case NL80211_TX_POWER_FIXED
:
2034 if (mbm
< 0 || (mbm
% 100))
2036 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2040 ieee80211_recalc_txpower(sdata
);
2046 case NL80211_TX_POWER_AUTOMATIC
:
2047 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2049 case NL80211_TX_POWER_LIMITED
:
2050 case NL80211_TX_POWER_FIXED
:
2051 if (mbm
< 0 || (mbm
% 100))
2053 local
->user_power_level
= MBM_TO_DBM(mbm
);
2057 mutex_lock(&local
->iflist_mtx
);
2058 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2059 sdata
->user_power_level
= local
->user_power_level
;
2060 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2061 ieee80211_recalc_txpower(sdata
);
2062 mutex_unlock(&local
->iflist_mtx
);
2067 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2068 struct wireless_dev
*wdev
,
2071 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2072 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2074 if (!local
->use_chanctx
)
2075 *dbm
= local
->hw
.conf
.power_level
;
2077 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2082 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2085 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2087 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2092 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2094 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2096 drv_rfkill_poll(local
);
2099 #ifdef CONFIG_NL80211_TESTMODE
2100 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2101 struct wireless_dev
*wdev
,
2102 void *data
, int len
)
2104 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2105 struct ieee80211_vif
*vif
= NULL
;
2107 if (!local
->ops
->testmode_cmd
)
2111 struct ieee80211_sub_if_data
*sdata
;
2113 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2114 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2118 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2121 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2122 struct sk_buff
*skb
,
2123 struct netlink_callback
*cb
,
2124 void *data
, int len
)
2126 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2128 if (!local
->ops
->testmode_dump
)
2131 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2135 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2136 enum ieee80211_smps_mode smps_mode
)
2138 struct sta_info
*sta
;
2139 enum ieee80211_smps_mode old_req
;
2142 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2145 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2148 old_req
= sdata
->u
.ap
.req_smps
;
2149 sdata
->u
.ap
.req_smps
= smps_mode
;
2151 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2152 if (old_req
== smps_mode
||
2153 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2156 /* If no associated stations, there's no need to do anything */
2157 if (!atomic_read(&sdata
->u
.ap
.num_mcast_sta
)) {
2158 sdata
->smps_mode
= smps_mode
;
2159 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2164 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2165 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2167 mutex_lock(&sdata
->local
->sta_mtx
);
2168 for (i
= 0; i
< STA_HASH_SIZE
; i
++) {
2169 for (sta
= rcu_dereference_protected(sdata
->local
->sta_hash
[i
],
2170 lockdep_is_held(&sdata
->local
->sta_mtx
));
2172 sta
= rcu_dereference_protected(sta
->hnext
,
2173 lockdep_is_held(&sdata
->local
->sta_mtx
))) {
2175 * Only stations associated to our AP and
2178 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2181 /* This station doesn't support MIMO - skip it */
2182 if (sta_info_tx_streams(sta
) == 1)
2186 * Don't wake up a STA just to send the action frame
2187 * unless we are getting more restrictive.
2189 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2190 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2193 "Won't send SMPS to sleeping STA %pM\n",
2199 * If the STA is not authorized, wait until it gets
2200 * authorized and the action frame will be sent then.
2202 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2205 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2206 ieee80211_send_smps_action(sdata
, smps_mode
,
2208 sdata
->vif
.bss_conf
.bssid
);
2211 mutex_unlock(&sdata
->local
->sta_mtx
);
2213 sdata
->smps_mode
= smps_mode
;
2214 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2219 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2220 enum ieee80211_smps_mode smps_mode
)
2223 enum ieee80211_smps_mode old_req
;
2226 lockdep_assert_held(&sdata
->wdev
.mtx
);
2228 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2231 old_req
= sdata
->u
.mgd
.req_smps
;
2232 sdata
->u
.mgd
.req_smps
= smps_mode
;
2234 if (old_req
== smps_mode
&&
2235 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2239 * If not associated, or current association is not an HT
2240 * association, there's no need to do anything, just store
2241 * the new value until we associate.
2243 if (!sdata
->u
.mgd
.associated
||
2244 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2247 ap
= sdata
->u
.mgd
.associated
->bssid
;
2249 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2250 if (sdata
->u
.mgd
.powersave
)
2251 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2253 smps_mode
= IEEE80211_SMPS_OFF
;
2256 /* send SM PS frame to AP */
2257 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2260 sdata
->u
.mgd
.req_smps
= old_req
;
2265 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2266 bool enabled
, int timeout
)
2268 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2269 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2271 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2274 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2277 if (enabled
== sdata
->u
.mgd
.powersave
&&
2278 timeout
== local
->dynamic_ps_forced_timeout
)
2281 sdata
->u
.mgd
.powersave
= enabled
;
2282 local
->dynamic_ps_forced_timeout
= timeout
;
2284 /* no change, but if automatic follow powersave */
2286 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2287 sdata_unlock(sdata
);
2289 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2290 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2292 ieee80211_recalc_ps(local
, -1);
2293 ieee80211_recalc_ps_vif(sdata
);
2298 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2299 struct net_device
*dev
,
2300 s32 rssi_thold
, u32 rssi_hyst
)
2302 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2303 struct ieee80211_vif
*vif
= &sdata
->vif
;
2304 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2306 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2307 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2310 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2311 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2313 /* tell the driver upon association, unless already associated */
2314 if (sdata
->u
.mgd
.associated
&&
2315 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2316 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2321 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2322 struct net_device
*dev
,
2324 const struct cfg80211_bitrate_mask
*mask
)
2326 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2327 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2330 if (!ieee80211_sdata_running(sdata
))
2333 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2334 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2339 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2340 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2343 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2344 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2345 sizeof(mask
->control
[i
].ht_mcs
));
2347 sdata
->rc_has_mcs_mask
[i
] = false;
2351 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++)
2352 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2353 sdata
->rc_has_mcs_mask
[i
] = true;
2361 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2362 struct ieee80211_sub_if_data
*sdata
,
2363 struct ieee80211_channel
*channel
,
2364 unsigned int duration
, u64
*cookie
,
2365 struct sk_buff
*txskb
,
2366 enum ieee80211_roc_type type
)
2368 struct ieee80211_roc_work
*roc
, *tmp
;
2369 bool queued
= false;
2372 lockdep_assert_held(&local
->mtx
);
2374 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2377 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2382 * If the duration is zero, then the driver
2383 * wouldn't actually do anything. Set it to
2386 * TODO: cancel the off-channel operation
2387 * when we get the SKB's TX status and
2388 * the wait time was zero before.
2393 roc
->chan
= channel
;
2394 roc
->duration
= duration
;
2395 roc
->req_duration
= duration
;
2398 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2400 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2401 INIT_LIST_HEAD(&roc
->dependents
);
2404 * cookie is either the roc cookie (for normal roc)
2405 * or the SKB (for mgmt TX)
2408 /* local->mtx protects this */
2409 local
->roc_cookie_counter
++;
2410 roc
->cookie
= local
->roc_cookie_counter
;
2411 /* wow, you wrapped 64 bits ... more likely a bug */
2412 if (WARN_ON(roc
->cookie
== 0)) {
2414 local
->roc_cookie_counter
++;
2416 *cookie
= roc
->cookie
;
2418 *cookie
= (unsigned long)txskb
;
2421 /* if there's one pending or we're scanning, queue this one */
2422 if (!list_empty(&local
->roc_list
) ||
2423 local
->scanning
|| local
->radar_detect_enabled
)
2424 goto out_check_combine
;
2426 /* if not HW assist, just queue & schedule work */
2427 if (!local
->ops
->remain_on_channel
) {
2428 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2432 /* otherwise actually kick it off here (for error handling) */
2434 ret
= drv_remain_on_channel(local
, sdata
, channel
, duration
, type
);
2440 roc
->started
= true;
2444 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2445 if (tmp
->chan
!= channel
|| tmp
->sdata
!= sdata
)
2449 * Extend this ROC if possible:
2451 * If it hasn't started yet, just increase the duration
2452 * and add the new one to the list of dependents.
2453 * If the type of the new ROC has higher priority, modify the
2454 * type of the previous one to match that of the new one.
2456 if (!tmp
->started
) {
2457 list_add_tail(&roc
->list
, &tmp
->dependents
);
2458 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2459 tmp
->type
= max(tmp
->type
, roc
->type
);
2464 /* If it has already started, it's more difficult ... */
2465 if (local
->ops
->remain_on_channel
) {
2466 unsigned long j
= jiffies
;
2469 * In the offloaded ROC case, if it hasn't begun, add
2470 * this new one to the dependent list to be handled
2471 * when the master one begins. If it has begun,
2472 * check that there's still a minimum time left and
2473 * if so, start this one, transmitting the frame, but
2474 * add it to the list directly after this one with
2475 * a reduced time so we'll ask the driver to execute
2476 * it right after finishing the previous one, in the
2477 * hope that it'll also be executed right afterwards,
2478 * effectively extending the old one.
2479 * If there's no minimum time left, just add it to the
2481 * TODO: the ROC type is ignored here, assuming that it
2482 * is better to immediately use the current ROC.
2484 if (!tmp
->hw_begun
) {
2485 list_add_tail(&roc
->list
, &tmp
->dependents
);
2490 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2491 tmp
->hw_start_time
+
2492 msecs_to_jiffies(tmp
->duration
))) {
2495 ieee80211_handle_roc_started(roc
);
2497 new_dur
= roc
->duration
-
2498 jiffies_to_msecs(tmp
->hw_start_time
+
2504 /* add right after tmp */
2505 list_add(&roc
->list
, &tmp
->list
);
2507 list_add_tail(&roc
->list
,
2512 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2513 unsigned long new_end
;
2516 * In the software ROC case, cancel the timer, if
2517 * that fails then the finish work is already
2518 * queued/pending and thus we queue the new ROC
2519 * normally, if that succeeds then we can extend
2520 * the timer duration and TX the frame (if any.)
2523 list_add_tail(&roc
->list
, &tmp
->dependents
);
2526 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2528 /* ok, it was started & we canceled timer */
2529 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2530 mod_timer(&tmp
->work
.timer
, new_end
);
2532 add_timer(&tmp
->work
.timer
);
2534 ieee80211_handle_roc_started(roc
);
2541 list_add_tail(&roc
->list
, &local
->roc_list
);
2546 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2547 struct wireless_dev
*wdev
,
2548 struct ieee80211_channel
*chan
,
2549 unsigned int duration
,
2552 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2553 struct ieee80211_local
*local
= sdata
->local
;
2556 mutex_lock(&local
->mtx
);
2557 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2558 duration
, cookie
, NULL
,
2559 IEEE80211_ROC_TYPE_NORMAL
);
2560 mutex_unlock(&local
->mtx
);
2565 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2566 u64 cookie
, bool mgmt_tx
)
2568 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2571 mutex_lock(&local
->mtx
);
2572 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2573 struct ieee80211_roc_work
*dep
, *tmp2
;
2575 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2576 if (!mgmt_tx
&& dep
->cookie
!= cookie
)
2578 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2580 /* found dependent item -- just remove it */
2581 list_del(&dep
->list
);
2582 mutex_unlock(&local
->mtx
);
2584 ieee80211_roc_notify_destroy(dep
, true);
2588 if (!mgmt_tx
&& roc
->cookie
!= cookie
)
2590 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2598 mutex_unlock(&local
->mtx
);
2603 * We found the item to cancel, so do that. Note that it
2604 * may have dependents, which we also cancel (and send
2605 * the expired signal for.) Not doing so would be quite
2606 * tricky here, but we may need to fix it later.
2609 if (local
->ops
->remain_on_channel
) {
2610 if (found
->started
) {
2611 ret
= drv_cancel_remain_on_channel(local
);
2612 if (WARN_ON_ONCE(ret
)) {
2613 mutex_unlock(&local
->mtx
);
2618 list_del(&found
->list
);
2621 ieee80211_start_next_roc(local
);
2622 mutex_unlock(&local
->mtx
);
2624 ieee80211_roc_notify_destroy(found
, true);
2626 /* work may be pending so use it all the time */
2627 found
->abort
= true;
2628 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2630 mutex_unlock(&local
->mtx
);
2632 /* work will clean up etc */
2633 flush_delayed_work(&found
->work
);
2634 WARN_ON(!found
->to_be_freed
);
2641 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2642 struct wireless_dev
*wdev
,
2645 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2646 struct ieee80211_local
*local
= sdata
->local
;
2648 return ieee80211_cancel_roc(local
, cookie
, false);
2651 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2652 struct net_device
*dev
,
2653 struct cfg80211_chan_def
*chandef
,
2656 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2657 struct ieee80211_local
*local
= sdata
->local
;
2660 mutex_lock(&local
->mtx
);
2661 if (!list_empty(&local
->roc_list
) || local
->scanning
) {
2666 /* whatever, but channel contexts should not complain about that one */
2667 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2668 sdata
->needed_rx_chains
= local
->rx_chains
;
2670 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2671 IEEE80211_CHANCTX_SHARED
);
2675 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2676 &sdata
->dfs_cac_timer_work
,
2677 msecs_to_jiffies(cac_time_ms
));
2680 mutex_unlock(&local
->mtx
);
2684 static struct cfg80211_beacon_data
*
2685 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
2687 struct cfg80211_beacon_data
*new_beacon
;
2691 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
2692 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
2693 beacon
->probe_resp_len
;
2695 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
2699 pos
= (u8
*)(new_beacon
+ 1);
2700 if (beacon
->head_len
) {
2701 new_beacon
->head_len
= beacon
->head_len
;
2702 new_beacon
->head
= pos
;
2703 memcpy(pos
, beacon
->head
, beacon
->head_len
);
2704 pos
+= beacon
->head_len
;
2706 if (beacon
->tail_len
) {
2707 new_beacon
->tail_len
= beacon
->tail_len
;
2708 new_beacon
->tail
= pos
;
2709 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
2710 pos
+= beacon
->tail_len
;
2712 if (beacon
->beacon_ies_len
) {
2713 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
2714 new_beacon
->beacon_ies
= pos
;
2715 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
2716 pos
+= beacon
->beacon_ies_len
;
2718 if (beacon
->proberesp_ies_len
) {
2719 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
2720 new_beacon
->proberesp_ies
= pos
;
2721 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
2722 pos
+= beacon
->proberesp_ies_len
;
2724 if (beacon
->assocresp_ies_len
) {
2725 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
2726 new_beacon
->assocresp_ies
= pos
;
2727 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
2728 pos
+= beacon
->assocresp_ies_len
;
2730 if (beacon
->probe_resp_len
) {
2731 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
2732 beacon
->probe_resp
= pos
;
2733 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
2734 pos
+= beacon
->probe_resp_len
;
2740 void ieee80211_csa_finish(struct ieee80211_vif
*vif
)
2742 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
2744 ieee80211_queue_work(&sdata
->local
->hw
,
2745 &sdata
->csa_finalize_work
);
2747 EXPORT_SYMBOL(ieee80211_csa_finish
);
2749 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2754 switch (sdata
->vif
.type
) {
2755 case NL80211_IFTYPE_AP
:
2756 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
,
2758 kfree(sdata
->u
.ap
.next_beacon
);
2759 sdata
->u
.ap
.next_beacon
= NULL
;
2765 case NL80211_IFTYPE_ADHOC
:
2766 err
= ieee80211_ibss_finish_csa(sdata
);
2771 #ifdef CONFIG_MAC80211_MESH
2772 case NL80211_IFTYPE_MESH_POINT
:
2773 err
= ieee80211_mesh_finish_csa(sdata
);
2787 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2789 struct ieee80211_local
*local
= sdata
->local
;
2793 sdata_assert_lock(sdata
);
2794 lockdep_assert_held(&local
->mtx
);
2795 lockdep_assert_held(&local
->chanctx_mtx
);
2798 * using reservation isn't immediate as it may be deferred until later
2799 * with multi-vif. once reservation is complete it will re-schedule the
2800 * work with no reserved_chanctx so verify chandef to check if it
2801 * completed successfully
2804 if (sdata
->reserved_chanctx
) {
2806 * with multi-vif csa driver may call ieee80211_csa_finish()
2807 * many times while waiting for other interfaces to use their
2810 if (sdata
->reserved_ready
)
2813 err
= ieee80211_vif_use_reserved_context(sdata
);
2820 if (!cfg80211_chandef_identical(&sdata
->vif
.bss_conf
.chandef
,
2821 &sdata
->csa_chandef
))
2824 sdata
->vif
.csa_active
= false;
2826 err
= ieee80211_set_after_csa_beacon(sdata
, &changed
);
2830 ieee80211_bss_info_change_notify(sdata
, changed
);
2831 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
2833 if (sdata
->csa_block_tx
) {
2834 ieee80211_wake_vif_queues(local
, sdata
,
2835 IEEE80211_QUEUE_STOP_REASON_CSA
);
2836 sdata
->csa_block_tx
= false;
2842 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2844 if (__ieee80211_csa_finalize(sdata
)) {
2845 sdata_info(sdata
, "failed to finalize CSA, disconnecting\n");
2846 cfg80211_stop_iface(sdata
->local
->hw
.wiphy
, &sdata
->wdev
,
2851 void ieee80211_csa_finalize_work(struct work_struct
*work
)
2853 struct ieee80211_sub_if_data
*sdata
=
2854 container_of(work
, struct ieee80211_sub_if_data
,
2856 struct ieee80211_local
*local
= sdata
->local
;
2859 mutex_lock(&local
->mtx
);
2860 mutex_lock(&local
->chanctx_mtx
);
2862 /* AP might have been stopped while waiting for the lock. */
2863 if (!sdata
->vif
.csa_active
)
2866 if (!ieee80211_sdata_running(sdata
))
2869 ieee80211_csa_finalize(sdata
);
2872 mutex_unlock(&local
->chanctx_mtx
);
2873 mutex_unlock(&local
->mtx
);
2874 sdata_unlock(sdata
);
2877 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2878 struct cfg80211_csa_settings
*params
,
2881 struct ieee80211_csa_settings csa
= {};
2884 switch (sdata
->vif
.type
) {
2885 case NL80211_IFTYPE_AP
:
2886 sdata
->u
.ap
.next_beacon
=
2887 cfg80211_beacon_dup(¶ms
->beacon_after
);
2888 if (!sdata
->u
.ap
.next_beacon
)
2892 * With a count of 0, we don't have to wait for any
2893 * TBTT before switching, so complete the CSA
2894 * immediately. In theory, with a count == 1 we
2895 * should delay the switch until just before the next
2896 * TBTT, but that would complicate things so we switch
2897 * immediately too. If we would delay the switch
2898 * until the next TBTT, we would have to set the probe
2901 * TODO: A channel switch with count <= 1 without
2902 * sending a CSA action frame is kind of useless,
2903 * because the clients won't know we're changing
2904 * channels. The action frame must be implemented
2905 * either here or in the userspace.
2907 if (params
->count
<= 1)
2910 if ((params
->n_counter_offsets_beacon
>
2911 IEEE80211_MAX_CSA_COUNTERS_NUM
) ||
2912 (params
->n_counter_offsets_presp
>
2913 IEEE80211_MAX_CSA_COUNTERS_NUM
))
2916 csa
.counter_offsets_beacon
= params
->counter_offsets_beacon
;
2917 csa
.counter_offsets_presp
= params
->counter_offsets_presp
;
2918 csa
.n_counter_offsets_beacon
= params
->n_counter_offsets_beacon
;
2919 csa
.n_counter_offsets_presp
= params
->n_counter_offsets_presp
;
2920 csa
.count
= params
->count
;
2922 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
, &csa
);
2924 kfree(sdata
->u
.ap
.next_beacon
);
2930 case NL80211_IFTYPE_ADHOC
:
2931 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2934 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
2937 switch (params
->chandef
.width
) {
2938 case NL80211_CHAN_WIDTH_40
:
2939 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
2940 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
2942 case NL80211_CHAN_WIDTH_5
:
2943 case NL80211_CHAN_WIDTH_10
:
2944 case NL80211_CHAN_WIDTH_20_NOHT
:
2945 case NL80211_CHAN_WIDTH_20
:
2951 /* changes into another band are not supported */
2952 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
2953 params
->chandef
.chan
->band
)
2956 /* see comments in the NL80211_IFTYPE_AP block */
2957 if (params
->count
> 1) {
2958 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
2964 ieee80211_send_action_csa(sdata
, params
);
2967 #ifdef CONFIG_MAC80211_MESH
2968 case NL80211_IFTYPE_MESH_POINT
: {
2969 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
2971 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
2974 /* changes into another band are not supported */
2975 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
2976 params
->chandef
.chan
->band
)
2979 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_NONE
) {
2980 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_INIT
;
2981 if (!ifmsh
->pre_value
)
2982 ifmsh
->pre_value
= 1;
2987 /* see comments in the NL80211_IFTYPE_AP block */
2988 if (params
->count
> 1) {
2989 err
= ieee80211_mesh_csa_beacon(sdata
, params
);
2991 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_NONE
;
2997 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_INIT
)
2998 ieee80211_send_action_csa(sdata
, params
);
3011 __ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3012 struct cfg80211_csa_settings
*params
)
3014 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3015 struct ieee80211_local
*local
= sdata
->local
;
3016 struct ieee80211_chanctx_conf
*conf
;
3017 struct ieee80211_chanctx
*chanctx
;
3018 int err
, changed
= 0;
3020 sdata_assert_lock(sdata
);
3021 lockdep_assert_held(&local
->mtx
);
3023 if (!list_empty(&local
->roc_list
) || local
->scanning
)
3026 if (sdata
->wdev
.cac_started
)
3029 if (cfg80211_chandef_identical(¶ms
->chandef
,
3030 &sdata
->vif
.bss_conf
.chandef
))
3033 /* don't allow another channel switch if one is already active. */
3034 if (sdata
->vif
.csa_active
)
3037 mutex_lock(&local
->chanctx_mtx
);
3038 conf
= rcu_dereference_protected(sdata
->vif
.chanctx_conf
,
3039 lockdep_is_held(&local
->chanctx_mtx
));
3045 chanctx
= container_of(conf
, struct ieee80211_chanctx
, conf
);
3051 err
= ieee80211_vif_reserve_chanctx(sdata
, ¶ms
->chandef
,
3053 params
->radar_required
);
3057 /* if reservation is invalid then this will fail */
3058 err
= ieee80211_check_combinations(sdata
, NULL
, chanctx
->mode
, 0);
3060 ieee80211_vif_unreserve_chanctx(sdata
);
3064 err
= ieee80211_set_csa_beacon(sdata
, params
, &changed
);
3066 ieee80211_vif_unreserve_chanctx(sdata
);
3070 sdata
->csa_chandef
= params
->chandef
;
3071 sdata
->csa_block_tx
= params
->block_tx
;
3072 sdata
->vif
.csa_active
= true;
3074 if (sdata
->csa_block_tx
)
3075 ieee80211_stop_vif_queues(local
, sdata
,
3076 IEEE80211_QUEUE_STOP_REASON_CSA
);
3079 ieee80211_bss_info_change_notify(sdata
, changed
);
3080 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3082 /* if the beacon didn't change, we can finalize immediately */
3083 ieee80211_csa_finalize(sdata
);
3087 mutex_unlock(&local
->chanctx_mtx
);
3091 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3092 struct cfg80211_csa_settings
*params
)
3094 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3095 struct ieee80211_local
*local
= sdata
->local
;
3098 mutex_lock(&local
->mtx
);
3099 err
= __ieee80211_channel_switch(wiphy
, dev
, params
);
3100 mutex_unlock(&local
->mtx
);
3105 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3106 struct cfg80211_mgmt_tx_params
*params
,
3109 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3110 struct ieee80211_local
*local
= sdata
->local
;
3111 struct sk_buff
*skb
;
3112 struct sta_info
*sta
;
3113 const struct ieee80211_mgmt
*mgmt
= (void *)params
->buf
;
3114 bool need_offchan
= false;
3119 if (params
->dont_wait_for_ack
)
3120 flags
= IEEE80211_TX_CTL_NO_ACK
;
3122 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
3123 IEEE80211_TX_CTL_REQ_TX_STATUS
;
3126 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
3128 switch (sdata
->vif
.type
) {
3129 case NL80211_IFTYPE_ADHOC
:
3130 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3131 need_offchan
= true;
3133 #ifdef CONFIG_MAC80211_MESH
3134 case NL80211_IFTYPE_MESH_POINT
:
3135 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
3136 !sdata
->u
.mesh
.mesh_id_len
)
3137 need_offchan
= true;
3140 case NL80211_IFTYPE_AP
:
3141 case NL80211_IFTYPE_AP_VLAN
:
3142 case NL80211_IFTYPE_P2P_GO
:
3143 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
3144 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
3145 !rcu_access_pointer(sdata
->bss
->beacon
))
3146 need_offchan
= true;
3147 if (!ieee80211_is_action(mgmt
->frame_control
) ||
3148 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
||
3149 mgmt
->u
.action
.category
== WLAN_CATEGORY_SELF_PROTECTED
||
3150 mgmt
->u
.action
.category
== WLAN_CATEGORY_SPECTRUM_MGMT
)
3153 sta
= sta_info_get(sdata
, mgmt
->da
);
3158 case NL80211_IFTYPE_STATION
:
3159 case NL80211_IFTYPE_P2P_CLIENT
:
3160 if (!sdata
->u
.mgd
.associated
)
3161 need_offchan
= true;
3163 case NL80211_IFTYPE_P2P_DEVICE
:
3164 need_offchan
= true;
3170 /* configurations requiring offchan cannot work if no channel has been
3173 if (need_offchan
&& !params
->chan
)
3176 mutex_lock(&local
->mtx
);
3178 /* Check if the operating channel is the requested channel */
3179 if (!need_offchan
) {
3180 struct ieee80211_chanctx_conf
*chanctx_conf
;
3183 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3186 need_offchan
= params
->chan
&&
3188 chanctx_conf
->def
.chan
);
3189 } else if (!params
->chan
) {
3194 need_offchan
= true;
3199 if (need_offchan
&& !params
->offchan
) {
3204 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ params
->len
);
3209 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3211 data
= skb_put(skb
, params
->len
);
3212 memcpy(data
, params
->buf
, params
->len
);
3214 /* Update CSA counters */
3215 if (sdata
->vif
.csa_active
&&
3216 (sdata
->vif
.type
== NL80211_IFTYPE_AP
||
3217 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) &&
3218 params
->n_csa_offsets
) {
3220 struct beacon_data
*beacon
= NULL
;
3224 if (sdata
->vif
.type
== NL80211_IFTYPE_AP
)
3225 beacon
= rcu_dereference(sdata
->u
.ap
.beacon
);
3226 else if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
)
3227 beacon
= rcu_dereference(sdata
->u
.ibss
.presp
);
3228 else if (ieee80211_vif_is_mesh(&sdata
->vif
))
3229 beacon
= rcu_dereference(sdata
->u
.mesh
.beacon
);
3232 for (i
= 0; i
< params
->n_csa_offsets
; i
++)
3233 data
[params
->csa_offsets
[i
]] =
3234 beacon
->csa_current_counter
;
3239 IEEE80211_SKB_CB(skb
)->flags
= flags
;
3241 skb
->dev
= sdata
->dev
;
3243 if (!need_offchan
) {
3244 *cookie
= (unsigned long) skb
;
3245 ieee80211_tx_skb(sdata
, skb
);
3250 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
|
3251 IEEE80211_TX_INTFL_OFFCHAN_TX_OK
;
3252 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
3253 IEEE80211_SKB_CB(skb
)->hw_queue
=
3254 local
->hw
.offchannel_tx_hw_queue
;
3256 /* This will handle all kinds of coalescing and immediate TX */
3257 ret
= ieee80211_start_roc_work(local
, sdata
, params
->chan
,
3258 params
->wait
, cookie
, skb
,
3259 IEEE80211_ROC_TYPE_MGMT_TX
);
3263 mutex_unlock(&local
->mtx
);
3267 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
3268 struct wireless_dev
*wdev
,
3271 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3273 return ieee80211_cancel_roc(local
, cookie
, true);
3276 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3277 struct wireless_dev
*wdev
,
3278 u16 frame_type
, bool reg
)
3280 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3282 switch (frame_type
) {
3283 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3285 local
->probe_req_reg
++;
3287 local
->probe_req_reg
--;
3289 if (!local
->open_count
)
3292 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
3299 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3301 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3306 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3309 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3311 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3313 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3316 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3317 struct net_device
*dev
,
3318 struct cfg80211_gtk_rekey_data
*data
)
3320 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3321 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3323 if (!local
->ops
->set_rekey_data
)
3326 drv_set_rekey_data(local
, sdata
, data
);
3331 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3332 const u8
*peer
, u64
*cookie
)
3334 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3335 struct ieee80211_local
*local
= sdata
->local
;
3336 struct ieee80211_qos_hdr
*nullfunc
;
3337 struct sk_buff
*skb
;
3338 int size
= sizeof(*nullfunc
);
3341 struct ieee80211_tx_info
*info
;
3342 struct sta_info
*sta
;
3343 struct ieee80211_chanctx_conf
*chanctx_conf
;
3344 enum ieee80211_band band
;
3347 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3348 if (WARN_ON(!chanctx_conf
)) {
3352 band
= chanctx_conf
->def
.chan
->band
;
3353 sta
= sta_info_get_bss(sdata
, peer
);
3355 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
3362 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3363 IEEE80211_STYPE_QOS_NULLFUNC
|
3364 IEEE80211_FCTL_FROMDS
);
3367 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3368 IEEE80211_STYPE_NULLFUNC
|
3369 IEEE80211_FCTL_FROMDS
);
3372 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3380 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3382 nullfunc
= (void *) skb_put(skb
, size
);
3383 nullfunc
->frame_control
= fc
;
3384 nullfunc
->duration_id
= 0;
3385 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3386 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3387 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3388 nullfunc
->seq_ctrl
= 0;
3390 info
= IEEE80211_SKB_CB(skb
);
3392 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3393 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3395 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3398 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3401 ieee80211_xmit(sdata
, skb
, band
);
3405 *cookie
= (unsigned long) skb
;
3409 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3410 struct wireless_dev
*wdev
,
3411 struct cfg80211_chan_def
*chandef
)
3413 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3414 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3415 struct ieee80211_chanctx_conf
*chanctx_conf
;
3419 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3421 *chandef
= chanctx_conf
->def
;
3423 } else if (local
->open_count
> 0 &&
3424 local
->open_count
== local
->monitors
&&
3425 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3426 if (local
->use_chanctx
)
3427 *chandef
= local
->monitor_chandef
;
3429 *chandef
= local
->_oper_chandef
;
3438 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3440 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3444 static int ieee80211_set_qos_map(struct wiphy
*wiphy
,
3445 struct net_device
*dev
,
3446 struct cfg80211_qos_map
*qos_map
)
3448 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3449 struct mac80211_qos_map
*new_qos_map
, *old_qos_map
;
3452 new_qos_map
= kzalloc(sizeof(*new_qos_map
), GFP_KERNEL
);
3455 memcpy(&new_qos_map
->qos_map
, qos_map
, sizeof(*qos_map
));
3457 /* A NULL qos_map was passed to disable QoS mapping */
3461 old_qos_map
= sdata_dereference(sdata
->qos_map
, sdata
);
3462 rcu_assign_pointer(sdata
->qos_map
, new_qos_map
);
3464 kfree_rcu(old_qos_map
, rcu_head
);
3469 static int ieee80211_set_ap_chanwidth(struct wiphy
*wiphy
,
3470 struct net_device
*dev
,
3471 struct cfg80211_chan_def
*chandef
)
3473 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3477 ret
= ieee80211_vif_change_bandwidth(sdata
, chandef
, &changed
);
3479 ieee80211_bss_info_change_notify(sdata
, changed
);
3484 const struct cfg80211_ops mac80211_config_ops
= {
3485 .add_virtual_intf
= ieee80211_add_iface
,
3486 .del_virtual_intf
= ieee80211_del_iface
,
3487 .change_virtual_intf
= ieee80211_change_iface
,
3488 .start_p2p_device
= ieee80211_start_p2p_device
,
3489 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3490 .add_key
= ieee80211_add_key
,
3491 .del_key
= ieee80211_del_key
,
3492 .get_key
= ieee80211_get_key
,
3493 .set_default_key
= ieee80211_config_default_key
,
3494 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3495 .start_ap
= ieee80211_start_ap
,
3496 .change_beacon
= ieee80211_change_beacon
,
3497 .stop_ap
= ieee80211_stop_ap
,
3498 .add_station
= ieee80211_add_station
,
3499 .del_station
= ieee80211_del_station
,
3500 .change_station
= ieee80211_change_station
,
3501 .get_station
= ieee80211_get_station
,
3502 .dump_station
= ieee80211_dump_station
,
3503 .dump_survey
= ieee80211_dump_survey
,
3504 #ifdef CONFIG_MAC80211_MESH
3505 .add_mpath
= ieee80211_add_mpath
,
3506 .del_mpath
= ieee80211_del_mpath
,
3507 .change_mpath
= ieee80211_change_mpath
,
3508 .get_mpath
= ieee80211_get_mpath
,
3509 .dump_mpath
= ieee80211_dump_mpath
,
3510 .update_mesh_config
= ieee80211_update_mesh_config
,
3511 .get_mesh_config
= ieee80211_get_mesh_config
,
3512 .join_mesh
= ieee80211_join_mesh
,
3513 .leave_mesh
= ieee80211_leave_mesh
,
3515 .change_bss
= ieee80211_change_bss
,
3516 .set_txq_params
= ieee80211_set_txq_params
,
3517 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3518 .suspend
= ieee80211_suspend
,
3519 .resume
= ieee80211_resume
,
3520 .scan
= ieee80211_scan
,
3521 .sched_scan_start
= ieee80211_sched_scan_start
,
3522 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3523 .auth
= ieee80211_auth
,
3524 .assoc
= ieee80211_assoc
,
3525 .deauth
= ieee80211_deauth
,
3526 .disassoc
= ieee80211_disassoc
,
3527 .join_ibss
= ieee80211_join_ibss
,
3528 .leave_ibss
= ieee80211_leave_ibss
,
3529 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3530 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3531 .set_tx_power
= ieee80211_set_tx_power
,
3532 .get_tx_power
= ieee80211_get_tx_power
,
3533 .set_wds_peer
= ieee80211_set_wds_peer
,
3534 .rfkill_poll
= ieee80211_rfkill_poll
,
3535 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3536 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3537 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3538 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3539 .remain_on_channel
= ieee80211_remain_on_channel
,
3540 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3541 .mgmt_tx
= ieee80211_mgmt_tx
,
3542 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3543 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3544 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3545 .set_antenna
= ieee80211_set_antenna
,
3546 .get_antenna
= ieee80211_get_antenna
,
3547 .set_rekey_data
= ieee80211_set_rekey_data
,
3548 .tdls_oper
= ieee80211_tdls_oper
,
3549 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3550 .probe_client
= ieee80211_probe_client
,
3551 .set_noack_map
= ieee80211_set_noack_map
,
3553 .set_wakeup
= ieee80211_set_wakeup
,
3555 .get_channel
= ieee80211_cfg_get_channel
,
3556 .start_radar_detection
= ieee80211_start_radar_detection
,
3557 .channel_switch
= ieee80211_channel_switch
,
3558 .set_qos_map
= ieee80211_set_qos_map
,
3559 .set_ap_chanwidth
= ieee80211_set_ap_chanwidth
,