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
)) {
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
84 if ((*flags
& MONITOR_FLAG_COOK_FRAMES
) !=
85 (sdata
->u
.mntr_flags
& MONITOR_FLAG_COOK_FRAMES
))
88 ieee80211_adjust_monitor_flags(sdata
, -1);
89 sdata
->u
.mntr_flags
= *flags
;
90 ieee80211_adjust_monitor_flags(sdata
, 1);
92 ieee80211_configure_filter(local
);
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
99 sdata
->u
.mntr_flags
= *flags
;
106 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
107 struct wireless_dev
*wdev
)
109 return ieee80211_do_open(wdev
, true);
112 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
113 struct wireless_dev
*wdev
)
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
118 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
119 struct net_device
*dev
,
122 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
124 sdata
->noack_map
= noack_map
;
128 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
129 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
130 struct key_params
*params
)
132 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
133 struct sta_info
*sta
= NULL
;
134 struct ieee80211_key
*key
;
137 if (!ieee80211_sdata_running(sdata
))
140 /* reject WEP and TKIP keys if WEP failed to initialize */
141 switch (params
->cipher
) {
142 case WLAN_CIPHER_SUITE_WEP40
:
143 case WLAN_CIPHER_SUITE_TKIP
:
144 case WLAN_CIPHER_SUITE_WEP104
:
145 if (IS_ERR(sdata
->local
->wep_tx_tfm
))
152 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
153 params
->key
, params
->seq_len
, params
->seq
);
158 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
160 mutex_lock(&sdata
->local
->sta_mtx
);
163 if (ieee80211_vif_is_mesh(&sdata
->vif
))
164 sta
= sta_info_get(sdata
, mac_addr
);
166 sta
= sta_info_get_bss(sdata
, mac_addr
);
168 * The ASSOC test makes sure the driver is ready to
169 * receive the key. When wpa_supplicant has roamed
170 * using FT, it attempts to set the key before
171 * association has completed, this rejects that attempt
172 * so it will set the key again after assocation.
174 * TODO: accept the key if we have a station entry and
175 * add it to the device after the station.
177 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
178 ieee80211_key_free_unused(key
);
184 switch (sdata
->vif
.type
) {
185 case NL80211_IFTYPE_STATION
:
186 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
187 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
189 case NL80211_IFTYPE_AP
:
190 case NL80211_IFTYPE_AP_VLAN
:
191 /* Keys without a station are used for TX only */
192 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
193 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
195 case NL80211_IFTYPE_ADHOC
:
198 case NL80211_IFTYPE_MESH_POINT
:
199 #ifdef CONFIG_MAC80211_MESH
200 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
201 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
204 case NL80211_IFTYPE_WDS
:
205 case NL80211_IFTYPE_MONITOR
:
206 case NL80211_IFTYPE_P2P_DEVICE
:
207 case NL80211_IFTYPE_UNSPECIFIED
:
208 case NUM_NL80211_IFTYPES
:
209 case NL80211_IFTYPE_P2P_CLIENT
:
210 case NL80211_IFTYPE_P2P_GO
:
211 /* shouldn't happen */
216 err
= ieee80211_key_link(key
, sdata
, sta
);
219 mutex_unlock(&sdata
->local
->sta_mtx
);
224 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
225 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
227 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
228 struct ieee80211_local
*local
= sdata
->local
;
229 struct sta_info
*sta
;
230 struct ieee80211_key
*key
= NULL
;
233 mutex_lock(&local
->sta_mtx
);
234 mutex_lock(&local
->key_mtx
);
239 sta
= sta_info_get_bss(sdata
, mac_addr
);
244 key
= key_mtx_dereference(local
, sta
->ptk
);
246 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
248 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
255 ieee80211_key_free(key
, true);
259 mutex_unlock(&local
->key_mtx
);
260 mutex_unlock(&local
->sta_mtx
);
265 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
266 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
268 void (*callback
)(void *cookie
,
269 struct key_params
*params
))
271 struct ieee80211_sub_if_data
*sdata
;
272 struct sta_info
*sta
= NULL
;
274 struct key_params params
;
275 struct ieee80211_key
*key
= NULL
;
281 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
286 sta
= sta_info_get_bss(sdata
, mac_addr
);
291 key
= rcu_dereference(sta
->ptk
);
292 else if (key_idx
< NUM_DEFAULT_KEYS
)
293 key
= rcu_dereference(sta
->gtk
[key_idx
]);
295 key
= rcu_dereference(sdata
->keys
[key_idx
]);
300 memset(¶ms
, 0, sizeof(params
));
302 params
.cipher
= key
->conf
.cipher
;
304 switch (key
->conf
.cipher
) {
305 case WLAN_CIPHER_SUITE_TKIP
:
306 iv32
= key
->u
.tkip
.tx
.iv32
;
307 iv16
= key
->u
.tkip
.tx
.iv16
;
309 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
310 drv_get_tkip_seq(sdata
->local
,
311 key
->conf
.hw_key_idx
,
314 seq
[0] = iv16
& 0xff;
315 seq
[1] = (iv16
>> 8) & 0xff;
316 seq
[2] = iv32
& 0xff;
317 seq
[3] = (iv32
>> 8) & 0xff;
318 seq
[4] = (iv32
>> 16) & 0xff;
319 seq
[5] = (iv32
>> 24) & 0xff;
323 case WLAN_CIPHER_SUITE_CCMP
:
324 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
334 case WLAN_CIPHER_SUITE_AES_CMAC
:
335 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
347 params
.key
= key
->conf
.key
;
348 params
.key_len
= key
->conf
.keylen
;
350 callback(cookie
, ¶ms
);
358 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
359 struct net_device
*dev
,
360 u8 key_idx
, bool uni
,
363 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
365 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
370 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
371 struct net_device
*dev
,
374 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
376 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
381 void sta_set_rate_info_tx(struct sta_info
*sta
,
382 const struct ieee80211_tx_rate
*rate
,
383 struct rate_info
*rinfo
)
386 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
387 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
388 rinfo
->mcs
= rate
->idx
;
389 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
390 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
391 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
392 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
394 struct ieee80211_supported_band
*sband
;
395 sband
= sta
->local
->hw
.wiphy
->bands
[
396 ieee80211_get_sdata_band(sta
->sdata
)];
397 rinfo
->legacy
= sband
->bitrates
[rate
->idx
].bitrate
;
399 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
400 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
401 if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
402 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
403 if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
404 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
405 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
406 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
409 void sta_set_rate_info_rx(struct sta_info
*sta
, struct rate_info
*rinfo
)
413 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
) {
414 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
415 rinfo
->mcs
= sta
->last_rx_rate_idx
;
416 } else if (sta
->last_rx_rate_flag
& RX_FLAG_VHT
) {
417 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
418 rinfo
->nss
= sta
->last_rx_rate_vht_nss
;
419 rinfo
->mcs
= sta
->last_rx_rate_idx
;
421 struct ieee80211_supported_band
*sband
;
423 sband
= sta
->local
->hw
.wiphy
->bands
[
424 ieee80211_get_sdata_band(sta
->sdata
)];
426 sband
->bitrates
[sta
->last_rx_rate_idx
].bitrate
;
429 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
430 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
431 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
432 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
433 if (sta
->last_rx_rate_flag
& RX_FLAG_80MHZ
)
434 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
435 if (sta
->last_rx_rate_flag
& RX_FLAG_80P80MHZ
)
436 rinfo
->flags
|= RATE_INFO_FLAGS_80P80_MHZ_WIDTH
;
437 if (sta
->last_rx_rate_flag
& RX_FLAG_160MHZ
)
438 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
441 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
443 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
444 struct ieee80211_local
*local
= sdata
->local
;
445 struct timespec uptime
;
449 sinfo
->generation
= sdata
->local
->sta_generation
;
451 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
452 STATION_INFO_RX_BYTES64
|
453 STATION_INFO_TX_BYTES64
|
454 STATION_INFO_RX_PACKETS
|
455 STATION_INFO_TX_PACKETS
|
456 STATION_INFO_TX_RETRIES
|
457 STATION_INFO_TX_FAILED
|
458 STATION_INFO_TX_BITRATE
|
459 STATION_INFO_RX_BITRATE
|
460 STATION_INFO_RX_DROP_MISC
|
461 STATION_INFO_BSS_PARAM
|
462 STATION_INFO_CONNECTED_TIME
|
463 STATION_INFO_STA_FLAGS
|
464 STATION_INFO_BEACON_LOSS_COUNT
;
466 do_posix_clock_monotonic_gettime(&uptime
);
467 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
469 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
471 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
472 sinfo
->tx_bytes
+= sta
->tx_bytes
[ac
];
473 packets
+= sta
->tx_packets
[ac
];
475 sinfo
->tx_packets
= packets
;
476 sinfo
->rx_bytes
= sta
->rx_bytes
;
477 sinfo
->rx_packets
= sta
->rx_packets
;
478 sinfo
->tx_retries
= sta
->tx_retry_count
;
479 sinfo
->tx_failed
= sta
->tx_retry_failed
;
480 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
481 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
483 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
484 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
485 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
486 if (!local
->ops
->get_rssi
||
487 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
488 sinfo
->signal
= (s8
)sta
->last_signal
;
489 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
492 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
493 sta_set_rate_info_rx(sta
, &sinfo
->rxrate
);
495 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
496 #ifdef CONFIG_MAC80211_MESH
497 sinfo
->filled
|= STATION_INFO_LLID
|
499 STATION_INFO_PLINK_STATE
|
500 STATION_INFO_LOCAL_PM
|
501 STATION_INFO_PEER_PM
|
502 STATION_INFO_NONPEER_PM
;
504 sinfo
->llid
= le16_to_cpu(sta
->llid
);
505 sinfo
->plid
= le16_to_cpu(sta
->plid
);
506 sinfo
->plink_state
= sta
->plink_state
;
507 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
508 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
509 sinfo
->t_offset
= sta
->t_offset
;
511 sinfo
->local_pm
= sta
->local_pm
;
512 sinfo
->peer_pm
= sta
->peer_pm
;
513 sinfo
->nonpeer_pm
= sta
->nonpeer_pm
;
517 sinfo
->bss_param
.flags
= 0;
518 if (sdata
->vif
.bss_conf
.use_cts_prot
)
519 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
520 if (sdata
->vif
.bss_conf
.use_short_preamble
)
521 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
522 if (sdata
->vif
.bss_conf
.use_short_slot
)
523 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
524 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
525 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
527 sinfo
->sta_flags
.set
= 0;
528 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
529 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
530 BIT(NL80211_STA_FLAG_WME
) |
531 BIT(NL80211_STA_FLAG_MFP
) |
532 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
533 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
534 BIT(NL80211_STA_FLAG_TDLS_PEER
);
535 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
536 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
537 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
538 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
539 if (test_sta_flag(sta
, WLAN_STA_WME
))
540 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
541 if (test_sta_flag(sta
, WLAN_STA_MFP
))
542 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
543 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
544 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
545 if (test_sta_flag(sta
, WLAN_STA_ASSOC
))
546 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
547 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
548 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
551 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
552 "rx_packets", "rx_bytes", "wep_weak_iv_count",
553 "rx_duplicates", "rx_fragments", "rx_dropped",
554 "tx_packets", "tx_bytes", "tx_fragments",
555 "tx_filtered", "tx_retry_failed", "tx_retries",
556 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
557 "channel", "noise", "ch_time", "ch_time_busy",
558 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
560 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
562 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
563 struct net_device
*dev
,
566 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
569 if (sset
== ETH_SS_STATS
)
572 rv
+= drv_get_et_sset_count(sdata
, sset
);
579 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
580 struct net_device
*dev
,
581 struct ethtool_stats
*stats
,
584 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
585 struct ieee80211_chanctx_conf
*chanctx_conf
;
586 struct ieee80211_channel
*channel
;
587 struct sta_info
*sta
;
588 struct ieee80211_local
*local
= sdata
->local
;
589 struct station_info sinfo
;
590 struct survey_info survey
;
592 #define STA_STATS_SURVEY_LEN 7
594 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
596 #define ADD_STA_STATS(sta) \
598 data[i++] += sta->rx_packets; \
599 data[i++] += sta->rx_bytes; \
600 data[i++] += sta->wep_weak_iv_count; \
601 data[i++] += sta->num_duplicates; \
602 data[i++] += sta->rx_fragments; \
603 data[i++] += sta->rx_dropped; \
605 data[i++] += sinfo.tx_packets; \
606 data[i++] += sinfo.tx_bytes; \
607 data[i++] += sta->tx_fragments; \
608 data[i++] += sta->tx_filtered_count; \
609 data[i++] += sta->tx_retry_failed; \
610 data[i++] += sta->tx_retry_count; \
611 data[i++] += sta->beacon_loss_count; \
614 /* For Managed stations, find the single station based on BSSID
615 * and use that. For interface types, iterate through all available
616 * stations and add stats for any station that is assigned to this
620 mutex_lock(&local
->sta_mtx
);
622 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
623 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
625 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
629 sta_set_sinfo(sta
, &sinfo
);
634 data
[i
++] = sta
->sta_state
;
637 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
639 cfg80211_calculate_bitrate(&sinfo
.txrate
);
641 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
643 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
646 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
647 data
[i
] = (u8
)sinfo
.signal_avg
;
650 list_for_each_entry(sta
, &local
->sta_list
, list
) {
651 /* Make sure this station belongs to the proper dev */
652 if (sta
->sdata
->dev
!= dev
)
661 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
662 /* Get survey stats for current channel */
666 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
668 channel
= chanctx_conf
->def
.chan
;
677 if (drv_get_survey(local
, q
, &survey
) != 0) {
682 } while (channel
!= survey
.channel
);
686 data
[i
++] = survey
.channel
->center_freq
;
689 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
690 data
[i
++] = (u8
)survey
.noise
;
693 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
694 data
[i
++] = survey
.channel_time
;
697 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
698 data
[i
++] = survey
.channel_time_busy
;
701 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
702 data
[i
++] = survey
.channel_time_ext_busy
;
705 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
706 data
[i
++] = survey
.channel_time_rx
;
709 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
710 data
[i
++] = survey
.channel_time_tx
;
714 mutex_unlock(&local
->sta_mtx
);
716 if (WARN_ON(i
!= STA_STATS_LEN
))
719 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
722 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
723 struct net_device
*dev
,
726 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
727 int sz_sta_stats
= 0;
729 if (sset
== ETH_SS_STATS
) {
730 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
731 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
733 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
736 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
737 int idx
, u8
*mac
, struct station_info
*sinfo
)
739 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
740 struct ieee80211_local
*local
= sdata
->local
;
741 struct sta_info
*sta
;
744 mutex_lock(&local
->sta_mtx
);
746 sta
= sta_info_get_by_idx(sdata
, idx
);
749 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
750 sta_set_sinfo(sta
, sinfo
);
753 mutex_unlock(&local
->sta_mtx
);
758 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
759 int idx
, struct survey_info
*survey
)
761 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
763 return drv_get_survey(local
, idx
, survey
);
766 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
767 u8
*mac
, struct station_info
*sinfo
)
769 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
770 struct ieee80211_local
*local
= sdata
->local
;
771 struct sta_info
*sta
;
774 mutex_lock(&local
->sta_mtx
);
776 sta
= sta_info_get_bss(sdata
, mac
);
779 sta_set_sinfo(sta
, sinfo
);
782 mutex_unlock(&local
->sta_mtx
);
787 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
788 struct cfg80211_chan_def
*chandef
)
790 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
791 struct ieee80211_sub_if_data
*sdata
;
794 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
797 mutex_lock(&local
->iflist_mtx
);
798 if (local
->use_chanctx
) {
799 sdata
= rcu_dereference_protected(
800 local
->monitor_sdata
,
801 lockdep_is_held(&local
->iflist_mtx
));
803 ieee80211_vif_release_channel(sdata
);
804 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
805 IEEE80211_CHANCTX_EXCLUSIVE
);
807 } else if (local
->open_count
== local
->monitors
) {
808 local
->_oper_chandef
= *chandef
;
809 ieee80211_hw_config(local
, 0);
813 local
->monitor_chandef
= *chandef
;
814 mutex_unlock(&local
->iflist_mtx
);
819 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
820 const u8
*resp
, size_t resp_len
)
822 struct probe_resp
*new, *old
;
824 if (!resp
|| !resp_len
)
827 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
829 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
834 memcpy(new->data
, resp
, resp_len
);
836 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
838 kfree_rcu(old
, rcu_head
);
843 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
844 struct cfg80211_beacon_data
*params
)
846 struct beacon_data
*new, *old
;
847 int new_head_len
, new_tail_len
;
849 u32 changed
= BSS_CHANGED_BEACON
;
851 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
853 /* Need to have a beacon head if we don't have one yet */
854 if (!params
->head
&& !old
)
857 /* new or old head? */
859 new_head_len
= params
->head_len
;
861 new_head_len
= old
->head_len
;
863 /* new or old tail? */
864 if (params
->tail
|| !old
)
865 /* params->tail_len will be zero for !params->tail */
866 new_tail_len
= params
->tail_len
;
868 new_tail_len
= old
->tail_len
;
870 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
872 new = kzalloc(size
, GFP_KERNEL
);
876 /* start filling the new info now */
879 * pointers go into the block we allocated,
880 * memory is | beacon_data | head | tail |
882 new->head
= ((u8
*) new) + sizeof(*new);
883 new->tail
= new->head
+ new_head_len
;
884 new->head_len
= new_head_len
;
885 new->tail_len
= new_tail_len
;
889 memcpy(new->head
, params
->head
, new_head_len
);
891 memcpy(new->head
, old
->head
, new_head_len
);
893 /* copy in optional tail */
895 memcpy(new->tail
, params
->tail
, new_tail_len
);
898 memcpy(new->tail
, old
->tail
, new_tail_len
);
900 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
901 params
->probe_resp_len
);
905 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
907 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
910 kfree_rcu(old
, rcu_head
);
915 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
916 struct cfg80211_ap_settings
*params
)
918 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
919 struct beacon_data
*old
;
920 struct ieee80211_sub_if_data
*vlan
;
921 u32 changed
= BSS_CHANGED_BEACON_INT
|
922 BSS_CHANGED_BEACON_ENABLED
|
928 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
932 /* TODO: make hostapd tell us what it wants */
933 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
934 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
935 sdata
->radar_required
= params
->radar_required
;
937 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
938 IEEE80211_CHANCTX_SHARED
);
941 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
944 * Apply control port protocol, this allows us to
945 * not encrypt dynamic WEP control frames.
947 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
948 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
949 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
950 vlan
->control_port_protocol
=
951 params
->crypto
.control_port_ethertype
;
952 vlan
->control_port_no_encrypt
=
953 params
->crypto
.control_port_no_encrypt
;
956 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
957 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
958 sdata
->vif
.bss_conf
.enable_beacon
= true;
960 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
961 if (params
->ssid_len
)
962 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
964 sdata
->vif
.bss_conf
.hidden_ssid
=
965 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
967 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
968 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
969 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
970 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
971 if (params
->p2p_opp_ps
)
972 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
973 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
975 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
980 err
= drv_start_ap(sdata
->local
, sdata
);
982 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
984 kfree_rcu(old
, rcu_head
);
985 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
989 ieee80211_bss_info_change_notify(sdata
, changed
);
991 netif_carrier_on(dev
);
992 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
993 netif_carrier_on(vlan
->dev
);
998 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
999 struct cfg80211_beacon_data
*params
)
1001 struct ieee80211_sub_if_data
*sdata
;
1002 struct beacon_data
*old
;
1005 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1007 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
1011 err
= ieee80211_assign_beacon(sdata
, params
);
1014 ieee80211_bss_info_change_notify(sdata
, err
);
1018 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1020 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1021 struct ieee80211_sub_if_data
*vlan
;
1022 struct ieee80211_local
*local
= sdata
->local
;
1023 struct beacon_data
*old_beacon
;
1024 struct probe_resp
*old_probe_resp
;
1026 old_beacon
= rtnl_dereference(sdata
->u
.ap
.beacon
);
1029 old_probe_resp
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
1031 /* turn off carrier for this interface and dependent VLANs */
1032 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1033 netif_carrier_off(vlan
->dev
);
1034 netif_carrier_off(dev
);
1036 /* remove beacon and probe response */
1037 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1038 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
1039 kfree_rcu(old_beacon
, rcu_head
);
1041 kfree_rcu(old_probe_resp
, rcu_head
);
1043 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1044 sta_info_flush_defer(vlan
);
1045 sta_info_flush_defer(sdata
);
1048 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
1049 sta_info_flush_cleanup(vlan
);
1050 ieee80211_free_keys(vlan
);
1052 sta_info_flush_cleanup(sdata
);
1053 ieee80211_free_keys(sdata
);
1055 sdata
->vif
.bss_conf
.enable_beacon
= false;
1056 sdata
->vif
.bss_conf
.ssid_len
= 0;
1057 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
1058 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
1060 drv_stop_ap(sdata
->local
, sdata
);
1062 /* free all potentially still buffered bcast frames */
1063 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
1064 skb_queue_purge(&sdata
->u
.ap
.ps
.bc_buf
);
1066 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
1067 ieee80211_vif_release_channel(sdata
);
1072 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1073 struct iapp_layer2_update
{
1074 u8 da
[ETH_ALEN
]; /* broadcast */
1075 u8 sa
[ETH_ALEN
]; /* STA addr */
1083 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
1085 struct iapp_layer2_update
*msg
;
1086 struct sk_buff
*skb
;
1088 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1091 skb
= dev_alloc_skb(sizeof(*msg
));
1094 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
1096 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1097 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1099 eth_broadcast_addr(msg
->da
);
1100 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1101 msg
->len
= htons(6);
1103 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1104 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1105 * F=0 (no poll command; unsolicited frame) */
1106 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1107 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1108 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1110 skb
->dev
= sta
->sdata
->dev
;
1111 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1112 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1116 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
1117 struct sta_info
*sta
,
1122 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1123 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1124 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1125 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1130 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1131 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1132 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1133 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1138 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1139 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1140 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1141 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1142 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1149 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1150 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1151 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1152 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1157 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1158 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1159 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1160 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1168 static int sta_apply_parameters(struct ieee80211_local
*local
,
1169 struct sta_info
*sta
,
1170 struct station_parameters
*params
)
1175 struct ieee80211_supported_band
*sband
;
1176 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1177 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
1180 sband
= local
->hw
.wiphy
->bands
[band
];
1182 mask
= params
->sta_flags_mask
;
1183 set
= params
->sta_flags_set
;
1185 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1187 * In mesh mode, ASSOCIATED isn't part of the nl80211
1188 * API but must follow AUTHENTICATED for driver state.
1190 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1191 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1192 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1193 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1194 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1196 * TDLS -- everything follows authorized, but
1197 * only becoming authorized is possible, not
1200 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1201 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1202 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1203 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1204 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1208 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1212 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1213 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1214 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1216 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1219 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1220 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1221 set_sta_flag(sta
, WLAN_STA_WME
);
1222 sta
->sta
.wme
= true;
1224 clear_sta_flag(sta
, WLAN_STA_WME
);
1225 sta
->sta
.wme
= false;
1229 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1230 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1231 set_sta_flag(sta
, WLAN_STA_MFP
);
1233 clear_sta_flag(sta
, WLAN_STA_MFP
);
1236 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1237 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1238 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1240 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1243 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1244 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1245 sta
->sta
.max_sp
= params
->max_sp
;
1249 * cfg80211 validates this (1-2007) and allows setting the AID
1250 * only when creating a new station entry
1253 sta
->sta
.aid
= params
->aid
;
1256 * Some of the following updates would be racy if called on an
1257 * existing station, via ieee80211_change_station(). However,
1258 * all such changes are rejected by cfg80211 except for updates
1259 * changing the supported rates on an existing but not yet used
1263 if (params
->listen_interval
>= 0)
1264 sta
->listen_interval
= params
->listen_interval
;
1266 if (params
->supported_rates
) {
1269 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1270 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1271 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1272 if (sband
->bitrates
[j
].bitrate
== rate
)
1276 sta
->sta
.supp_rates
[band
] = rates
;
1279 if (params
->ht_capa
)
1280 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1281 params
->ht_capa
, sta
);
1283 if (params
->vht_capa
)
1284 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1285 params
->vht_capa
, sta
);
1287 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1288 #ifdef CONFIG_MAC80211_MESH
1291 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1292 switch (params
->plink_state
) {
1293 case NL80211_PLINK_ESTAB
:
1294 if (sta
->plink_state
!= NL80211_PLINK_ESTAB
)
1295 changed
= mesh_plink_inc_estab_count(
1297 sta
->plink_state
= params
->plink_state
;
1299 ieee80211_mps_sta_status_update(sta
);
1300 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1301 sdata
->u
.mesh
.mshcfg
.power_mode
);
1303 case NL80211_PLINK_LISTEN
:
1304 case NL80211_PLINK_BLOCKED
:
1305 case NL80211_PLINK_OPN_SNT
:
1306 case NL80211_PLINK_OPN_RCVD
:
1307 case NL80211_PLINK_CNF_RCVD
:
1308 case NL80211_PLINK_HOLDING
:
1309 if (sta
->plink_state
== NL80211_PLINK_ESTAB
)
1310 changed
= mesh_plink_dec_estab_count(
1312 sta
->plink_state
= params
->plink_state
;
1314 ieee80211_mps_sta_status_update(sta
);
1316 ieee80211_mps_local_status_update(sdata
);
1324 switch (params
->plink_action
) {
1325 case NL80211_PLINK_ACTION_NO_ACTION
:
1328 case NL80211_PLINK_ACTION_OPEN
:
1329 changed
|= mesh_plink_open(sta
);
1331 case NL80211_PLINK_ACTION_BLOCK
:
1332 changed
|= mesh_plink_block(sta
);
1336 if (params
->local_pm
)
1338 ieee80211_mps_set_sta_local_pm(sta
,
1340 ieee80211_bss_info_change_notify(sdata
, changed
);
1347 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1348 u8
*mac
, struct station_parameters
*params
)
1350 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1351 struct sta_info
*sta
;
1352 struct ieee80211_sub_if_data
*sdata
;
1357 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1359 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1360 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1363 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1365 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1368 if (is_multicast_ether_addr(mac
))
1371 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1376 * defaults -- if userspace wants something else we'll
1377 * change it accordingly in sta_apply_parameters()
1379 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))) {
1380 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1381 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1384 err
= sta_apply_parameters(local
, sta
, params
);
1386 sta_info_free(local
, sta
);
1391 * for TDLS, rate control should be initialized only when
1392 * rates are known and station is marked authorized
1394 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1395 rate_control_rate_init(sta
);
1397 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1398 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1400 err
= sta_info_insert_rcu(sta
);
1407 ieee80211_send_layer2_update(sta
);
1414 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1417 struct ieee80211_sub_if_data
*sdata
;
1419 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1422 return sta_info_destroy_addr_bss(sdata
, mac
);
1424 sta_info_flush(sdata
);
1428 static int ieee80211_change_station(struct wiphy
*wiphy
,
1429 struct net_device
*dev
, u8
*mac
,
1430 struct station_parameters
*params
)
1432 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1433 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1434 struct sta_info
*sta
;
1435 struct ieee80211_sub_if_data
*vlansdata
;
1436 enum cfg80211_station_type statype
;
1439 mutex_lock(&local
->sta_mtx
);
1441 sta
= sta_info_get_bss(sdata
, mac
);
1447 switch (sdata
->vif
.type
) {
1448 case NL80211_IFTYPE_MESH_POINT
:
1449 if (sdata
->u
.mesh
.user_mpm
)
1450 statype
= CFG80211_STA_MESH_PEER_USER
;
1452 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1454 case NL80211_IFTYPE_ADHOC
:
1455 statype
= CFG80211_STA_IBSS
;
1457 case NL80211_IFTYPE_STATION
:
1458 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1459 statype
= CFG80211_STA_AP_STA
;
1462 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1463 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1465 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1467 case NL80211_IFTYPE_AP
:
1468 case NL80211_IFTYPE_AP_VLAN
:
1469 statype
= CFG80211_STA_AP_CLIENT
;
1476 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1480 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1481 bool prev_4addr
= false;
1482 bool new_4addr
= false;
1484 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1486 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1487 if (vlansdata
->u
.vlan
.sta
) {
1492 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1496 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1497 sta
->sdata
->u
.vlan
.sta
) {
1498 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1502 sta
->sdata
= vlansdata
;
1504 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1505 prev_4addr
!= new_4addr
) {
1507 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1509 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1512 ieee80211_send_layer2_update(sta
);
1515 err
= sta_apply_parameters(local
, sta
, params
);
1519 /* When peer becomes authorized, init rate control as well */
1520 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1521 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1522 rate_control_rate_init(sta
);
1524 mutex_unlock(&local
->sta_mtx
);
1526 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1527 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1528 ieee80211_recalc_ps(local
, -1);
1529 ieee80211_recalc_ps_vif(sdata
);
1534 mutex_unlock(&local
->sta_mtx
);
1538 #ifdef CONFIG_MAC80211_MESH
1539 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1540 u8
*dst
, u8
*next_hop
)
1542 struct ieee80211_sub_if_data
*sdata
;
1543 struct mesh_path
*mpath
;
1544 struct sta_info
*sta
;
1546 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1549 sta
= sta_info_get(sdata
, next_hop
);
1555 mpath
= mesh_path_add(sdata
, dst
);
1556 if (IS_ERR(mpath
)) {
1558 return PTR_ERR(mpath
);
1561 mesh_path_fix_nexthop(mpath
, sta
);
1567 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1570 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1573 return mesh_path_del(sdata
, dst
);
1575 mesh_path_flush_by_iface(sdata
);
1579 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1580 struct net_device
*dev
,
1581 u8
*dst
, u8
*next_hop
)
1583 struct ieee80211_sub_if_data
*sdata
;
1584 struct mesh_path
*mpath
;
1585 struct sta_info
*sta
;
1587 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1591 sta
= sta_info_get(sdata
, next_hop
);
1597 mpath
= mesh_path_lookup(sdata
, dst
);
1603 mesh_path_fix_nexthop(mpath
, sta
);
1609 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1610 struct mpath_info
*pinfo
)
1612 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1615 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1617 memset(next_hop
, 0, ETH_ALEN
);
1619 memset(pinfo
, 0, sizeof(*pinfo
));
1621 pinfo
->generation
= mesh_paths_generation
;
1623 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1626 MPATH_INFO_EXPTIME
|
1627 MPATH_INFO_DISCOVERY_TIMEOUT
|
1628 MPATH_INFO_DISCOVERY_RETRIES
|
1631 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1632 pinfo
->sn
= mpath
->sn
;
1633 pinfo
->metric
= mpath
->metric
;
1634 if (time_before(jiffies
, mpath
->exp_time
))
1635 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1636 pinfo
->discovery_timeout
=
1637 jiffies_to_msecs(mpath
->discovery_timeout
);
1638 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1639 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1640 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1641 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1642 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1643 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1644 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1645 if (mpath
->flags
& MESH_PATH_FIXED
)
1646 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1647 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1648 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1651 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1652 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1655 struct ieee80211_sub_if_data
*sdata
;
1656 struct mesh_path
*mpath
;
1658 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1661 mpath
= mesh_path_lookup(sdata
, dst
);
1666 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1667 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1672 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1673 int idx
, u8
*dst
, u8
*next_hop
,
1674 struct mpath_info
*pinfo
)
1676 struct ieee80211_sub_if_data
*sdata
;
1677 struct mesh_path
*mpath
;
1679 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1682 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1687 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1688 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1693 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1694 struct net_device
*dev
,
1695 struct mesh_config
*conf
)
1697 struct ieee80211_sub_if_data
*sdata
;
1698 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1700 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1704 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1706 return (mask
>> (parm
-1)) & 0x1;
1709 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1710 const struct mesh_setup
*setup
)
1714 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1715 struct ieee80211_sub_if_data
, u
.mesh
);
1717 /* allocate information elements */
1721 if (setup
->ie_len
) {
1722 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1727 ifmsh
->ie_len
= setup
->ie_len
;
1731 /* now copy the rest of the setup parameters */
1732 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1733 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1734 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1735 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1736 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1737 ifmsh
->user_mpm
= setup
->user_mpm
;
1738 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1739 if (setup
->is_authenticated
)
1740 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1741 if (setup
->is_secure
)
1742 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1744 /* mcast rate setting in Mesh Node */
1745 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1746 sizeof(setup
->mcast_rate
));
1748 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1749 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1754 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1755 struct net_device
*dev
, u32 mask
,
1756 const struct mesh_config
*nconf
)
1758 struct mesh_config
*conf
;
1759 struct ieee80211_sub_if_data
*sdata
;
1760 struct ieee80211_if_mesh
*ifmsh
;
1762 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1763 ifmsh
= &sdata
->u
.mesh
;
1765 /* Set the config options which we are interested in setting */
1766 conf
= &(sdata
->u
.mesh
.mshcfg
);
1767 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1768 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1769 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1770 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1772 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1773 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1774 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1775 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1776 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1777 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1778 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1779 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1780 conf
->element_ttl
= nconf
->element_ttl
;
1781 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1782 if (ifmsh
->user_mpm
)
1784 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1786 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1787 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1788 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1789 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1790 conf
->dot11MeshHWMPmaxPREQretries
=
1791 nconf
->dot11MeshHWMPmaxPREQretries
;
1792 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1793 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1794 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1795 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1796 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1797 conf
->dot11MeshHWMPactivePathTimeout
=
1798 nconf
->dot11MeshHWMPactivePathTimeout
;
1799 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1800 conf
->dot11MeshHWMPpreqMinInterval
=
1801 nconf
->dot11MeshHWMPpreqMinInterval
;
1802 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1803 conf
->dot11MeshHWMPperrMinInterval
=
1804 nconf
->dot11MeshHWMPperrMinInterval
;
1805 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1807 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1808 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1809 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1810 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1811 ieee80211_mesh_root_setup(ifmsh
);
1813 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1814 /* our current gate announcement implementation rides on root
1815 * announcements, so require this ifmsh to also be a root node
1817 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1818 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1819 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1820 ieee80211_mesh_root_setup(ifmsh
);
1822 conf
->dot11MeshGateAnnouncementProtocol
=
1823 nconf
->dot11MeshGateAnnouncementProtocol
;
1825 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1826 conf
->dot11MeshHWMPRannInterval
=
1827 nconf
->dot11MeshHWMPRannInterval
;
1828 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1829 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1830 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1831 /* our RSSI threshold implementation is supported only for
1832 * devices that report signal in dBm.
1834 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1836 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1838 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1839 conf
->ht_opmode
= nconf
->ht_opmode
;
1840 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1841 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1843 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1844 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1845 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1847 conf
->dot11MeshHWMProotInterval
=
1848 nconf
->dot11MeshHWMProotInterval
;
1849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1850 conf
->dot11MeshHWMPconfirmationInterval
=
1851 nconf
->dot11MeshHWMPconfirmationInterval
;
1852 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1853 conf
->power_mode
= nconf
->power_mode
;
1854 ieee80211_mps_local_status_update(sdata
);
1856 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
1857 conf
->dot11MeshAwakeWindowDuration
=
1858 nconf
->dot11MeshAwakeWindowDuration
;
1859 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
1863 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1864 const struct mesh_config
*conf
,
1865 const struct mesh_setup
*setup
)
1867 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1868 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1871 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1872 err
= copy_mesh_setup(ifmsh
, setup
);
1876 /* can mesh use other SMPS modes? */
1877 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
1878 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
1880 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
1881 IEEE80211_CHANCTX_SHARED
);
1885 return ieee80211_start_mesh(sdata
);
1888 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1890 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1892 ieee80211_stop_mesh(sdata
);
1893 ieee80211_vif_release_channel(sdata
);
1899 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1900 struct net_device
*dev
,
1901 struct bss_parameters
*params
)
1903 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1904 enum ieee80211_band band
;
1907 if (!rtnl_dereference(sdata
->u
.ap
.beacon
))
1910 band
= ieee80211_get_sdata_band(sdata
);
1912 if (params
->use_cts_prot
>= 0) {
1913 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1914 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1916 if (params
->use_short_preamble
>= 0) {
1917 sdata
->vif
.bss_conf
.use_short_preamble
=
1918 params
->use_short_preamble
;
1919 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1922 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1923 band
== IEEE80211_BAND_5GHZ
) {
1924 sdata
->vif
.bss_conf
.use_short_slot
= true;
1925 changed
|= BSS_CHANGED_ERP_SLOT
;
1928 if (params
->use_short_slot_time
>= 0) {
1929 sdata
->vif
.bss_conf
.use_short_slot
=
1930 params
->use_short_slot_time
;
1931 changed
|= BSS_CHANGED_ERP_SLOT
;
1934 if (params
->basic_rates
) {
1937 struct ieee80211_supported_band
*sband
= wiphy
->bands
[band
];
1939 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1940 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1941 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1942 if (sband
->bitrates
[j
].bitrate
== rate
)
1946 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1947 changed
|= BSS_CHANGED_BASIC_RATES
;
1950 if (params
->ap_isolate
>= 0) {
1951 if (params
->ap_isolate
)
1952 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1954 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1957 if (params
->ht_opmode
>= 0) {
1958 sdata
->vif
.bss_conf
.ht_operation_mode
=
1959 (u16
) params
->ht_opmode
;
1960 changed
|= BSS_CHANGED_HT
;
1963 if (params
->p2p_ctwindow
>= 0) {
1964 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1965 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1966 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1967 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1968 changed
|= BSS_CHANGED_P2P_PS
;
1971 if (params
->p2p_opp_ps
> 0) {
1972 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1973 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1974 changed
|= BSS_CHANGED_P2P_PS
;
1975 } else if (params
->p2p_opp_ps
== 0) {
1976 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1977 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1978 changed
|= BSS_CHANGED_P2P_PS
;
1981 ieee80211_bss_info_change_notify(sdata
, changed
);
1986 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1987 struct net_device
*dev
,
1988 struct ieee80211_txq_params
*params
)
1990 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1991 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1992 struct ieee80211_tx_queue_params p
;
1994 if (!local
->ops
->conf_tx
)
1997 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
2000 memset(&p
, 0, sizeof(p
));
2001 p
.aifs
= params
->aifs
;
2002 p
.cw_max
= params
->cwmax
;
2003 p
.cw_min
= params
->cwmin
;
2004 p
.txop
= params
->txop
;
2007 * Setting tx queue params disables u-apsd because it's only
2008 * called in master mode.
2012 sdata
->tx_conf
[params
->ac
] = p
;
2013 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
2014 wiphy_debug(local
->hw
.wiphy
,
2015 "failed to set TX queue parameters for AC %d\n",
2020 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
2026 static int ieee80211_suspend(struct wiphy
*wiphy
,
2027 struct cfg80211_wowlan
*wowlan
)
2029 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
2032 static int ieee80211_resume(struct wiphy
*wiphy
)
2034 return __ieee80211_resume(wiphy_priv(wiphy
));
2037 #define ieee80211_suspend NULL
2038 #define ieee80211_resume NULL
2041 static int ieee80211_scan(struct wiphy
*wiphy
,
2042 struct cfg80211_scan_request
*req
)
2044 struct ieee80211_sub_if_data
*sdata
;
2046 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
2048 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
2049 case NL80211_IFTYPE_STATION
:
2050 case NL80211_IFTYPE_ADHOC
:
2051 case NL80211_IFTYPE_MESH_POINT
:
2052 case NL80211_IFTYPE_P2P_CLIENT
:
2053 case NL80211_IFTYPE_P2P_DEVICE
:
2055 case NL80211_IFTYPE_P2P_GO
:
2056 if (sdata
->local
->ops
->hw_scan
)
2059 * FIXME: implement NoA while scanning in software,
2060 * for now fall through to allow scanning only when
2061 * beaconing hasn't been configured yet
2063 case NL80211_IFTYPE_AP
:
2065 * If the scan has been forced (and the driver supports
2066 * forcing), don't care about being beaconing already.
2067 * This will create problems to the attached stations (e.g. all
2068 * the frames sent while scanning on other channel will be
2071 if (sdata
->u
.ap
.beacon
&&
2072 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
2073 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
2080 return ieee80211_request_scan(sdata
, req
);
2084 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
2085 struct net_device
*dev
,
2086 struct cfg80211_sched_scan_request
*req
)
2088 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2090 if (!sdata
->local
->ops
->sched_scan_start
)
2093 return ieee80211_request_sched_scan_start(sdata
, req
);
2097 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
2099 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2101 if (!sdata
->local
->ops
->sched_scan_stop
)
2104 return ieee80211_request_sched_scan_stop(sdata
);
2107 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
2108 struct cfg80211_auth_request
*req
)
2110 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2113 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2114 struct cfg80211_assoc_request
*req
)
2116 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2119 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
2120 struct cfg80211_deauth_request
*req
)
2122 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2125 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2126 struct cfg80211_disassoc_request
*req
)
2128 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2131 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2132 struct cfg80211_ibss_params
*params
)
2134 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2137 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2139 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2142 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2143 int rate
[IEEE80211_NUM_BANDS
])
2145 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2147 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2148 sizeof(int) * IEEE80211_NUM_BANDS
);
2153 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2155 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2158 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2159 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2165 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
2166 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
2172 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2173 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2179 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2180 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2182 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2184 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2185 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2187 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2190 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2191 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2196 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2197 struct wireless_dev
*wdev
,
2198 enum nl80211_tx_power_setting type
, int mbm
)
2200 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2201 struct ieee80211_sub_if_data
*sdata
;
2204 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2207 case NL80211_TX_POWER_AUTOMATIC
:
2208 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2210 case NL80211_TX_POWER_LIMITED
:
2211 case NL80211_TX_POWER_FIXED
:
2212 if (mbm
< 0 || (mbm
% 100))
2214 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2218 ieee80211_recalc_txpower(sdata
);
2224 case NL80211_TX_POWER_AUTOMATIC
:
2225 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2227 case NL80211_TX_POWER_LIMITED
:
2228 case NL80211_TX_POWER_FIXED
:
2229 if (mbm
< 0 || (mbm
% 100))
2231 local
->user_power_level
= MBM_TO_DBM(mbm
);
2235 mutex_lock(&local
->iflist_mtx
);
2236 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2237 sdata
->user_power_level
= local
->user_power_level
;
2238 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2239 ieee80211_recalc_txpower(sdata
);
2240 mutex_unlock(&local
->iflist_mtx
);
2245 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2246 struct wireless_dev
*wdev
,
2249 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2250 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2252 if (!local
->use_chanctx
)
2253 *dbm
= local
->hw
.conf
.power_level
;
2255 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2260 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2263 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2265 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2270 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2272 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2274 drv_rfkill_poll(local
);
2277 #ifdef CONFIG_NL80211_TESTMODE
2278 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
2280 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2282 if (!local
->ops
->testmode_cmd
)
2285 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
2288 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2289 struct sk_buff
*skb
,
2290 struct netlink_callback
*cb
,
2291 void *data
, int len
)
2293 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2295 if (!local
->ops
->testmode_dump
)
2298 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2302 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
2303 enum ieee80211_smps_mode smps_mode
)
2306 enum ieee80211_smps_mode old_req
;
2309 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
2311 old_req
= sdata
->u
.mgd
.req_smps
;
2312 sdata
->u
.mgd
.req_smps
= smps_mode
;
2314 if (old_req
== smps_mode
&&
2315 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2319 * If not associated, or current association is not an HT
2320 * association, there's no need to do anything, just store
2321 * the new value until we associate.
2323 if (!sdata
->u
.mgd
.associated
||
2324 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2327 ap
= sdata
->u
.mgd
.associated
->bssid
;
2329 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2330 if (sdata
->u
.mgd
.powersave
)
2331 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2333 smps_mode
= IEEE80211_SMPS_OFF
;
2336 /* send SM PS frame to AP */
2337 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2340 sdata
->u
.mgd
.req_smps
= old_req
;
2345 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2346 bool enabled
, int timeout
)
2348 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2349 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2351 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
&&
2352 sdata
->vif
.type
!= NL80211_IFTYPE_MESH_POINT
)
2355 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2358 if (enabled
== sdata
->u
.mgd
.powersave
&&
2359 timeout
== local
->dynamic_ps_forced_timeout
)
2362 sdata
->u
.mgd
.powersave
= enabled
;
2363 local
->dynamic_ps_forced_timeout
= timeout
;
2365 /* no change, but if automatic follow powersave */
2366 mutex_lock(&sdata
->u
.mgd
.mtx
);
2367 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2368 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2370 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2371 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2373 ieee80211_recalc_ps(local
, -1);
2374 ieee80211_recalc_ps_vif(sdata
);
2379 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2380 struct net_device
*dev
,
2381 s32 rssi_thold
, u32 rssi_hyst
)
2383 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2384 struct ieee80211_vif
*vif
= &sdata
->vif
;
2385 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2387 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2388 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2391 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2392 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2394 /* tell the driver upon association, unless already associated */
2395 if (sdata
->u
.mgd
.associated
&&
2396 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2397 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2402 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2403 struct net_device
*dev
,
2405 const struct cfg80211_bitrate_mask
*mask
)
2407 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2408 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2411 if (!ieee80211_sdata_running(sdata
))
2414 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2415 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2420 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2421 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2424 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2425 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2426 sizeof(mask
->control
[i
].mcs
));
2428 sdata
->rc_has_mcs_mask
[i
] = false;
2432 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++)
2433 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2434 sdata
->rc_has_mcs_mask
[i
] = true;
2442 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2443 struct ieee80211_sub_if_data
*sdata
,
2444 struct ieee80211_channel
*channel
,
2445 unsigned int duration
, u64
*cookie
,
2446 struct sk_buff
*txskb
,
2447 enum ieee80211_roc_type type
)
2449 struct ieee80211_roc_work
*roc
, *tmp
;
2450 bool queued
= false;
2453 lockdep_assert_held(&local
->mtx
);
2455 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2458 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2462 roc
->chan
= channel
;
2463 roc
->duration
= duration
;
2464 roc
->req_duration
= duration
;
2467 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2469 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2470 INIT_LIST_HEAD(&roc
->dependents
);
2472 /* if there's one pending or we're scanning, queue this one */
2473 if (!list_empty(&local
->roc_list
) ||
2474 local
->scanning
|| local
->radar_detect_enabled
)
2475 goto out_check_combine
;
2477 /* if not HW assist, just queue & schedule work */
2478 if (!local
->ops
->remain_on_channel
) {
2479 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2483 /* otherwise actually kick it off here (for error handling) */
2486 * If the duration is zero, then the driver
2487 * wouldn't actually do anything. Set it to
2490 * TODO: cancel the off-channel operation
2491 * when we get the SKB's TX status and
2492 * the wait time was zero before.
2497 ret
= drv_remain_on_channel(local
, sdata
, channel
, duration
, type
);
2503 roc
->started
= true;
2507 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2508 if (tmp
->chan
!= channel
|| tmp
->sdata
!= sdata
)
2512 * Extend this ROC if possible:
2514 * If it hasn't started yet, just increase the duration
2515 * and add the new one to the list of dependents.
2516 * If the type of the new ROC has higher priority, modify the
2517 * type of the previous one to match that of the new one.
2519 if (!tmp
->started
) {
2520 list_add_tail(&roc
->list
, &tmp
->dependents
);
2521 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2522 tmp
->type
= max(tmp
->type
, roc
->type
);
2527 /* If it has already started, it's more difficult ... */
2528 if (local
->ops
->remain_on_channel
) {
2529 unsigned long j
= jiffies
;
2532 * In the offloaded ROC case, if it hasn't begun, add
2533 * this new one to the dependent list to be handled
2534 * when the master one begins. If it has begun,
2535 * check that there's still a minimum time left and
2536 * if so, start this one, transmitting the frame, but
2537 * add it to the list directly after this one with
2538 * a reduced time so we'll ask the driver to execute
2539 * it right after finishing the previous one, in the
2540 * hope that it'll also be executed right afterwards,
2541 * effectively extending the old one.
2542 * If there's no minimum time left, just add it to the
2544 * TODO: the ROC type is ignored here, assuming that it
2545 * is better to immediately use the current ROC.
2547 if (!tmp
->hw_begun
) {
2548 list_add_tail(&roc
->list
, &tmp
->dependents
);
2553 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2554 tmp
->hw_start_time
+
2555 msecs_to_jiffies(tmp
->duration
))) {
2558 ieee80211_handle_roc_started(roc
);
2560 new_dur
= roc
->duration
-
2561 jiffies_to_msecs(tmp
->hw_start_time
+
2567 /* add right after tmp */
2568 list_add(&roc
->list
, &tmp
->list
);
2570 list_add_tail(&roc
->list
,
2575 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2576 unsigned long new_end
;
2579 * In the software ROC case, cancel the timer, if
2580 * that fails then the finish work is already
2581 * queued/pending and thus we queue the new ROC
2582 * normally, if that succeeds then we can extend
2583 * the timer duration and TX the frame (if any.)
2586 list_add_tail(&roc
->list
, &tmp
->dependents
);
2589 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2591 /* ok, it was started & we canceled timer */
2592 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2593 mod_timer(&tmp
->work
.timer
, new_end
);
2595 add_timer(&tmp
->work
.timer
);
2597 ieee80211_handle_roc_started(roc
);
2604 list_add_tail(&roc
->list
, &local
->roc_list
);
2607 * cookie is either the roc cookie (for normal roc)
2608 * or the SKB (for mgmt TX)
2611 /* local->mtx protects this */
2612 local
->roc_cookie_counter
++;
2613 roc
->cookie
= local
->roc_cookie_counter
;
2614 /* wow, you wrapped 64 bits ... more likely a bug */
2615 if (WARN_ON(roc
->cookie
== 0)) {
2617 local
->roc_cookie_counter
++;
2619 *cookie
= roc
->cookie
;
2621 *cookie
= (unsigned long)txskb
;
2627 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2628 struct wireless_dev
*wdev
,
2629 struct ieee80211_channel
*chan
,
2630 unsigned int duration
,
2633 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2634 struct ieee80211_local
*local
= sdata
->local
;
2637 mutex_lock(&local
->mtx
);
2638 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2639 duration
, cookie
, NULL
,
2640 IEEE80211_ROC_TYPE_NORMAL
);
2641 mutex_unlock(&local
->mtx
);
2646 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2647 u64 cookie
, bool mgmt_tx
)
2649 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2652 mutex_lock(&local
->mtx
);
2653 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2654 struct ieee80211_roc_work
*dep
, *tmp2
;
2656 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2657 if (!mgmt_tx
&& dep
->cookie
!= cookie
)
2659 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2661 /* found dependent item -- just remove it */
2662 list_del(&dep
->list
);
2663 mutex_unlock(&local
->mtx
);
2665 ieee80211_roc_notify_destroy(dep
, true);
2669 if (!mgmt_tx
&& roc
->cookie
!= cookie
)
2671 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2679 mutex_unlock(&local
->mtx
);
2684 * We found the item to cancel, so do that. Note that it
2685 * may have dependents, which we also cancel (and send
2686 * the expired signal for.) Not doing so would be quite
2687 * tricky here, but we may need to fix it later.
2690 if (local
->ops
->remain_on_channel
) {
2691 if (found
->started
) {
2692 ret
= drv_cancel_remain_on_channel(local
);
2693 if (WARN_ON_ONCE(ret
)) {
2694 mutex_unlock(&local
->mtx
);
2699 list_del(&found
->list
);
2702 ieee80211_start_next_roc(local
);
2703 mutex_unlock(&local
->mtx
);
2705 ieee80211_roc_notify_destroy(found
, true);
2707 /* work may be pending so use it all the time */
2708 found
->abort
= true;
2709 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2711 mutex_unlock(&local
->mtx
);
2713 /* work will clean up etc */
2714 flush_delayed_work(&found
->work
);
2715 WARN_ON(!found
->to_be_freed
);
2722 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2723 struct wireless_dev
*wdev
,
2726 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2727 struct ieee80211_local
*local
= sdata
->local
;
2729 return ieee80211_cancel_roc(local
, cookie
, false);
2732 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2733 struct net_device
*dev
,
2734 struct cfg80211_chan_def
*chandef
)
2736 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2737 struct ieee80211_local
*local
= sdata
->local
;
2738 unsigned long timeout
;
2741 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2744 /* whatever, but channel contexts should not complain about that one */
2745 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2746 sdata
->needed_rx_chains
= local
->rx_chains
;
2747 sdata
->radar_required
= true;
2749 mutex_lock(&local
->iflist_mtx
);
2750 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2751 IEEE80211_CHANCTX_SHARED
);
2752 mutex_unlock(&local
->iflist_mtx
);
2756 timeout
= msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS
);
2757 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2758 &sdata
->dfs_cac_timer_work
, timeout
);
2763 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2764 struct ieee80211_channel
*chan
, bool offchan
,
2765 unsigned int wait
, const u8
*buf
, size_t len
,
2766 bool no_cck
, bool dont_wait_for_ack
, u64
*cookie
)
2768 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2769 struct ieee80211_local
*local
= sdata
->local
;
2770 struct sk_buff
*skb
;
2771 struct sta_info
*sta
;
2772 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2773 bool need_offchan
= false;
2777 if (dont_wait_for_ack
)
2778 flags
= IEEE80211_TX_CTL_NO_ACK
;
2780 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2781 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2784 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2786 switch (sdata
->vif
.type
) {
2787 case NL80211_IFTYPE_ADHOC
:
2788 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2789 need_offchan
= true;
2791 #ifdef CONFIG_MAC80211_MESH
2792 case NL80211_IFTYPE_MESH_POINT
:
2793 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
2794 !sdata
->u
.mesh
.mesh_id_len
)
2795 need_offchan
= true;
2798 case NL80211_IFTYPE_AP
:
2799 case NL80211_IFTYPE_AP_VLAN
:
2800 case NL80211_IFTYPE_P2P_GO
:
2801 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
2802 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
2803 !rcu_access_pointer(sdata
->bss
->beacon
))
2804 need_offchan
= true;
2805 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2806 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2809 sta
= sta_info_get(sdata
, mgmt
->da
);
2814 case NL80211_IFTYPE_STATION
:
2815 case NL80211_IFTYPE_P2P_CLIENT
:
2816 if (!sdata
->u
.mgd
.associated
)
2817 need_offchan
= true;
2819 case NL80211_IFTYPE_P2P_DEVICE
:
2820 need_offchan
= true;
2826 mutex_lock(&local
->mtx
);
2828 /* Check if the operating channel is the requested channel */
2829 if (!need_offchan
) {
2830 struct ieee80211_chanctx_conf
*chanctx_conf
;
2833 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
2836 need_offchan
= chan
!= chanctx_conf
->def
.chan
;
2838 need_offchan
= true;
2842 if (need_offchan
&& !offchan
) {
2847 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2852 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2854 memcpy(skb_put(skb
, len
), buf
, len
);
2856 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2858 skb
->dev
= sdata
->dev
;
2860 if (!need_offchan
) {
2861 *cookie
= (unsigned long) skb
;
2862 ieee80211_tx_skb(sdata
, skb
);
2867 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
|
2868 IEEE80211_TX_INTFL_OFFCHAN_TX_OK
;
2869 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2870 IEEE80211_SKB_CB(skb
)->hw_queue
=
2871 local
->hw
.offchannel_tx_hw_queue
;
2873 /* This will handle all kinds of coalescing and immediate TX */
2874 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2876 IEEE80211_ROC_TYPE_MGMT_TX
);
2880 mutex_unlock(&local
->mtx
);
2884 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2885 struct wireless_dev
*wdev
,
2888 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2890 return ieee80211_cancel_roc(local
, cookie
, true);
2893 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2894 struct wireless_dev
*wdev
,
2895 u16 frame_type
, bool reg
)
2897 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2898 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2900 switch (frame_type
) {
2901 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
:
2902 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
2903 struct ieee80211_if_ibss
*ifibss
= &sdata
->u
.ibss
;
2906 ifibss
->auth_frame_registrations
++;
2908 ifibss
->auth_frame_registrations
--;
2911 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
2913 local
->probe_req_reg
++;
2915 local
->probe_req_reg
--;
2917 if (!local
->open_count
)
2920 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2927 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2929 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2934 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2937 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2939 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2941 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2944 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2946 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2948 return drv_set_ringparam(local
, tx
, rx
);
2951 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2952 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2954 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2956 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2959 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2960 struct net_device
*dev
,
2961 struct cfg80211_gtk_rekey_data
*data
)
2963 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2964 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2966 if (!local
->ops
->set_rekey_data
)
2969 drv_set_rekey_data(local
, sdata
, data
);
2974 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2976 u8
*pos
= (void *)skb_put(skb
, 7);
2978 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2979 *pos
++ = 5; /* len */
2984 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2987 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2989 struct ieee80211_local
*local
= sdata
->local
;
2993 if (ieee80211_get_sdata_band(sdata
) != IEEE80211_BAND_2GHZ
)
2996 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2997 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2998 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2999 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
3004 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
3005 u8
*peer
, u8
*bssid
)
3007 struct ieee80211_tdls_lnkie
*lnkid
;
3009 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
3011 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
3012 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
3014 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
3015 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
3016 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
3020 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
3021 u8
*peer
, u8 action_code
, u8 dialog_token
,
3022 u16 status_code
, struct sk_buff
*skb
)
3024 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3025 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
3026 struct ieee80211_tdls_data
*tf
;
3028 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
3030 memcpy(tf
->da
, peer
, ETH_ALEN
);
3031 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
3032 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
3033 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
3035 switch (action_code
) {
3036 case WLAN_TDLS_SETUP_REQUEST
:
3037 tf
->category
= WLAN_CATEGORY_TDLS
;
3038 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
3040 skb_put(skb
, sizeof(tf
->u
.setup_req
));
3041 tf
->u
.setup_req
.dialog_token
= dialog_token
;
3042 tf
->u
.setup_req
.capability
=
3043 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
3045 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
3046 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
3047 ieee80211_tdls_add_ext_capab(skb
);
3049 case WLAN_TDLS_SETUP_RESPONSE
:
3050 tf
->category
= WLAN_CATEGORY_TDLS
;
3051 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
3053 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
3054 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
3055 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
3056 tf
->u
.setup_resp
.capability
=
3057 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
3059 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
3060 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
3061 ieee80211_tdls_add_ext_capab(skb
);
3063 case WLAN_TDLS_SETUP_CONFIRM
:
3064 tf
->category
= WLAN_CATEGORY_TDLS
;
3065 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
3067 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
3068 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
3069 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
3071 case WLAN_TDLS_TEARDOWN
:
3072 tf
->category
= WLAN_CATEGORY_TDLS
;
3073 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
3075 skb_put(skb
, sizeof(tf
->u
.teardown
));
3076 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
3078 case WLAN_TDLS_DISCOVERY_REQUEST
:
3079 tf
->category
= WLAN_CATEGORY_TDLS
;
3080 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
3082 skb_put(skb
, sizeof(tf
->u
.discover_req
));
3083 tf
->u
.discover_req
.dialog_token
= dialog_token
;
3093 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
3094 u8
*peer
, u8 action_code
, u8 dialog_token
,
3095 u16 status_code
, struct sk_buff
*skb
)
3097 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3098 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
3099 struct ieee80211_mgmt
*mgmt
;
3101 mgmt
= (void *)skb_put(skb
, 24);
3102 memset(mgmt
, 0, 24);
3103 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
3104 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
3105 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
3107 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
3108 IEEE80211_STYPE_ACTION
);
3110 switch (action_code
) {
3111 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3112 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
3113 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
3114 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
3115 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
3116 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
3118 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
3119 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
3121 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
3122 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
3123 ieee80211_tdls_add_ext_capab(skb
);
3132 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
3133 u8
*peer
, u8 action_code
, u8 dialog_token
,
3134 u16 status_code
, const u8
*extra_ies
,
3135 size_t extra_ies_len
)
3137 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3138 struct ieee80211_local
*local
= sdata
->local
;
3139 struct sk_buff
*skb
= NULL
;
3143 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3146 /* make sure we are in managed mode, and associated */
3147 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
3148 !sdata
->u
.mgd
.associated
)
3151 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
3154 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
3155 max(sizeof(struct ieee80211_mgmt
),
3156 sizeof(struct ieee80211_tdls_data
)) +
3157 50 + /* supported rates */
3160 sizeof(struct ieee80211_tdls_lnkie
));
3164 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3166 switch (action_code
) {
3167 case WLAN_TDLS_SETUP_REQUEST
:
3168 case WLAN_TDLS_SETUP_RESPONSE
:
3169 case WLAN_TDLS_SETUP_CONFIRM
:
3170 case WLAN_TDLS_TEARDOWN
:
3171 case WLAN_TDLS_DISCOVERY_REQUEST
:
3172 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
3173 action_code
, dialog_token
,
3175 send_direct
= false;
3177 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3178 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
3179 dialog_token
, status_code
,
3192 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
3194 /* the TDLS link IE is always added last */
3195 switch (action_code
) {
3196 case WLAN_TDLS_SETUP_REQUEST
:
3197 case WLAN_TDLS_SETUP_CONFIRM
:
3198 case WLAN_TDLS_TEARDOWN
:
3199 case WLAN_TDLS_DISCOVERY_REQUEST
:
3200 /* we are the initiator */
3201 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
3202 sdata
->u
.mgd
.bssid
);
3204 case WLAN_TDLS_SETUP_RESPONSE
:
3205 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3206 /* we are the responder */
3207 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
3208 sdata
->u
.mgd
.bssid
);
3216 ieee80211_tx_skb(sdata
, skb
);
3221 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3222 * we should default to AC_VI.
3224 switch (action_code
) {
3225 case WLAN_TDLS_SETUP_REQUEST
:
3226 case WLAN_TDLS_SETUP_RESPONSE
:
3227 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
3231 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
3236 /* disable bottom halves when entering the Tx path */
3238 ret
= ieee80211_subif_start_xmit(skb
, dev
);
3248 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
3249 u8
*peer
, enum nl80211_tdls_operation oper
)
3251 struct sta_info
*sta
;
3252 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3254 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3257 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3260 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
3263 case NL80211_TDLS_ENABLE_LINK
:
3265 sta
= sta_info_get(sdata
, peer
);
3271 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
3274 case NL80211_TDLS_DISABLE_LINK
:
3275 return sta_info_destroy_addr(sdata
, peer
);
3276 case NL80211_TDLS_TEARDOWN
:
3277 case NL80211_TDLS_SETUP
:
3278 case NL80211_TDLS_DISCOVERY_REQ
:
3279 /* We don't support in-driver setup/teardown/discovery */
3288 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3289 const u8
*peer
, u64
*cookie
)
3291 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3292 struct ieee80211_local
*local
= sdata
->local
;
3293 struct ieee80211_qos_hdr
*nullfunc
;
3294 struct sk_buff
*skb
;
3295 int size
= sizeof(*nullfunc
);
3298 struct ieee80211_tx_info
*info
;
3299 struct sta_info
*sta
;
3300 struct ieee80211_chanctx_conf
*chanctx_conf
;
3301 enum ieee80211_band band
;
3304 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3305 if (WARN_ON(!chanctx_conf
)) {
3309 band
= chanctx_conf
->def
.chan
->band
;
3310 sta
= sta_info_get(sdata
, peer
);
3312 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
3319 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3320 IEEE80211_STYPE_QOS_NULLFUNC
|
3321 IEEE80211_FCTL_FROMDS
);
3324 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3325 IEEE80211_STYPE_NULLFUNC
|
3326 IEEE80211_FCTL_FROMDS
);
3329 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3337 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3339 nullfunc
= (void *) skb_put(skb
, size
);
3340 nullfunc
->frame_control
= fc
;
3341 nullfunc
->duration_id
= 0;
3342 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3343 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3344 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3345 nullfunc
->seq_ctrl
= 0;
3347 info
= IEEE80211_SKB_CB(skb
);
3349 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3350 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3352 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3355 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3358 ieee80211_xmit(sdata
, skb
, band
);
3362 *cookie
= (unsigned long) skb
;
3366 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3367 struct wireless_dev
*wdev
,
3368 struct cfg80211_chan_def
*chandef
)
3370 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3371 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3372 struct ieee80211_chanctx_conf
*chanctx_conf
;
3376 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3378 *chandef
= chanctx_conf
->def
;
3380 } else if (local
->open_count
> 0 &&
3381 local
->open_count
== local
->monitors
&&
3382 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3383 if (local
->use_chanctx
)
3384 *chandef
= local
->monitor_chandef
;
3386 *chandef
= local
->_oper_chandef
;
3395 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3397 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3401 struct cfg80211_ops mac80211_config_ops
= {
3402 .add_virtual_intf
= ieee80211_add_iface
,
3403 .del_virtual_intf
= ieee80211_del_iface
,
3404 .change_virtual_intf
= ieee80211_change_iface
,
3405 .start_p2p_device
= ieee80211_start_p2p_device
,
3406 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3407 .add_key
= ieee80211_add_key
,
3408 .del_key
= ieee80211_del_key
,
3409 .get_key
= ieee80211_get_key
,
3410 .set_default_key
= ieee80211_config_default_key
,
3411 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3412 .start_ap
= ieee80211_start_ap
,
3413 .change_beacon
= ieee80211_change_beacon
,
3414 .stop_ap
= ieee80211_stop_ap
,
3415 .add_station
= ieee80211_add_station
,
3416 .del_station
= ieee80211_del_station
,
3417 .change_station
= ieee80211_change_station
,
3418 .get_station
= ieee80211_get_station
,
3419 .dump_station
= ieee80211_dump_station
,
3420 .dump_survey
= ieee80211_dump_survey
,
3421 #ifdef CONFIG_MAC80211_MESH
3422 .add_mpath
= ieee80211_add_mpath
,
3423 .del_mpath
= ieee80211_del_mpath
,
3424 .change_mpath
= ieee80211_change_mpath
,
3425 .get_mpath
= ieee80211_get_mpath
,
3426 .dump_mpath
= ieee80211_dump_mpath
,
3427 .update_mesh_config
= ieee80211_update_mesh_config
,
3428 .get_mesh_config
= ieee80211_get_mesh_config
,
3429 .join_mesh
= ieee80211_join_mesh
,
3430 .leave_mesh
= ieee80211_leave_mesh
,
3432 .change_bss
= ieee80211_change_bss
,
3433 .set_txq_params
= ieee80211_set_txq_params
,
3434 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3435 .suspend
= ieee80211_suspend
,
3436 .resume
= ieee80211_resume
,
3437 .scan
= ieee80211_scan
,
3438 .sched_scan_start
= ieee80211_sched_scan_start
,
3439 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3440 .auth
= ieee80211_auth
,
3441 .assoc
= ieee80211_assoc
,
3442 .deauth
= ieee80211_deauth
,
3443 .disassoc
= ieee80211_disassoc
,
3444 .join_ibss
= ieee80211_join_ibss
,
3445 .leave_ibss
= ieee80211_leave_ibss
,
3446 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3447 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3448 .set_tx_power
= ieee80211_set_tx_power
,
3449 .get_tx_power
= ieee80211_get_tx_power
,
3450 .set_wds_peer
= ieee80211_set_wds_peer
,
3451 .rfkill_poll
= ieee80211_rfkill_poll
,
3452 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3453 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3454 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3455 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3456 .remain_on_channel
= ieee80211_remain_on_channel
,
3457 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3458 .mgmt_tx
= ieee80211_mgmt_tx
,
3459 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3460 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3461 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3462 .set_antenna
= ieee80211_set_antenna
,
3463 .get_antenna
= ieee80211_get_antenna
,
3464 .set_ringparam
= ieee80211_set_ringparam
,
3465 .get_ringparam
= ieee80211_get_ringparam
,
3466 .set_rekey_data
= ieee80211_set_rekey_data
,
3467 .tdls_oper
= ieee80211_tdls_oper
,
3468 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3469 .probe_client
= ieee80211_probe_client
,
3470 .set_noack_map
= ieee80211_set_noack_map
,
3472 .set_wakeup
= ieee80211_set_wakeup
,
3474 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3475 .get_et_stats
= ieee80211_get_et_stats
,
3476 .get_et_strings
= ieee80211_get_et_strings
,
3477 .get_channel
= ieee80211_cfg_get_channel
,
3478 .start_radar_detection
= ieee80211_start_radar_detection
,