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 ieee80211_key_free(sdata
->local
, key
);
174 switch (sdata
->vif
.type
) {
175 case NL80211_IFTYPE_STATION
:
176 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
177 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
179 case NL80211_IFTYPE_AP
:
180 case NL80211_IFTYPE_AP_VLAN
:
181 /* Keys without a station are used for TX only */
182 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
183 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
185 case NL80211_IFTYPE_ADHOC
:
188 case NL80211_IFTYPE_MESH_POINT
:
189 #ifdef CONFIG_MAC80211_MESH
190 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
191 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
194 case NL80211_IFTYPE_WDS
:
195 case NL80211_IFTYPE_MONITOR
:
196 case NL80211_IFTYPE_P2P_DEVICE
:
197 case NL80211_IFTYPE_UNSPECIFIED
:
198 case NUM_NL80211_IFTYPES
:
199 case NL80211_IFTYPE_P2P_CLIENT
:
200 case NL80211_IFTYPE_P2P_GO
:
201 /* shouldn't happen */
206 err
= ieee80211_key_link(key
, sdata
, sta
);
208 ieee80211_key_free(sdata
->local
, key
);
211 mutex_unlock(&sdata
->local
->sta_mtx
);
216 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
217 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
219 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
220 struct ieee80211_local
*local
= sdata
->local
;
221 struct sta_info
*sta
;
222 struct ieee80211_key
*key
= NULL
;
225 mutex_lock(&local
->sta_mtx
);
226 mutex_lock(&local
->key_mtx
);
231 sta
= sta_info_get_bss(sdata
, mac_addr
);
236 key
= key_mtx_dereference(local
, sta
->ptk
);
238 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
240 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
247 __ieee80211_key_free(key
);
251 mutex_unlock(&local
->key_mtx
);
252 mutex_unlock(&local
->sta_mtx
);
257 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
258 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
260 void (*callback
)(void *cookie
,
261 struct key_params
*params
))
263 struct ieee80211_sub_if_data
*sdata
;
264 struct sta_info
*sta
= NULL
;
266 struct key_params params
;
267 struct ieee80211_key
*key
= NULL
;
273 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
278 sta
= sta_info_get_bss(sdata
, mac_addr
);
283 key
= rcu_dereference(sta
->ptk
);
284 else if (key_idx
< NUM_DEFAULT_KEYS
)
285 key
= rcu_dereference(sta
->gtk
[key_idx
]);
287 key
= rcu_dereference(sdata
->keys
[key_idx
]);
292 memset(¶ms
, 0, sizeof(params
));
294 params
.cipher
= key
->conf
.cipher
;
296 switch (key
->conf
.cipher
) {
297 case WLAN_CIPHER_SUITE_TKIP
:
298 iv32
= key
->u
.tkip
.tx
.iv32
;
299 iv16
= key
->u
.tkip
.tx
.iv16
;
301 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
302 drv_get_tkip_seq(sdata
->local
,
303 key
->conf
.hw_key_idx
,
306 seq
[0] = iv16
& 0xff;
307 seq
[1] = (iv16
>> 8) & 0xff;
308 seq
[2] = iv32
& 0xff;
309 seq
[3] = (iv32
>> 8) & 0xff;
310 seq
[4] = (iv32
>> 16) & 0xff;
311 seq
[5] = (iv32
>> 24) & 0xff;
315 case WLAN_CIPHER_SUITE_CCMP
:
316 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
326 case WLAN_CIPHER_SUITE_AES_CMAC
:
327 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
339 params
.key
= key
->conf
.key
;
340 params
.key_len
= key
->conf
.keylen
;
342 callback(cookie
, ¶ms
);
350 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
351 struct net_device
*dev
,
352 u8 key_idx
, bool uni
,
355 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
357 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
362 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
363 struct net_device
*dev
,
366 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
368 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
373 void sta_set_rate_info_tx(struct sta_info
*sta
,
374 const struct ieee80211_tx_rate
*rate
,
375 struct rate_info
*rinfo
)
378 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
379 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
380 rinfo
->mcs
= rate
->idx
;
381 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
382 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
383 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
384 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
386 struct ieee80211_supported_band
*sband
;
387 sband
= sta
->local
->hw
.wiphy
->bands
[
388 ieee80211_get_sdata_band(sta
->sdata
)];
389 rinfo
->legacy
= sband
->bitrates
[rate
->idx
].bitrate
;
391 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
392 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
393 if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
394 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
395 if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
396 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
397 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
398 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
401 void sta_set_rate_info_rx(struct sta_info
*sta
, struct rate_info
*rinfo
)
405 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
) {
406 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
407 rinfo
->mcs
= sta
->last_rx_rate_idx
;
408 } else if (sta
->last_rx_rate_flag
& RX_FLAG_VHT
) {
409 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
410 rinfo
->nss
= sta
->last_rx_rate_vht_nss
;
411 rinfo
->mcs
= sta
->last_rx_rate_idx
;
413 struct ieee80211_supported_band
*sband
;
415 sband
= sta
->local
->hw
.wiphy
->bands
[
416 ieee80211_get_sdata_band(sta
->sdata
)];
418 sband
->bitrates
[sta
->last_rx_rate_idx
].bitrate
;
421 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
422 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
423 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
424 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
425 if (sta
->last_rx_rate_flag
& RX_FLAG_80MHZ
)
426 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
427 if (sta
->last_rx_rate_flag
& RX_FLAG_80P80MHZ
)
428 rinfo
->flags
|= RATE_INFO_FLAGS_80P80_MHZ_WIDTH
;
429 if (sta
->last_rx_rate_flag
& RX_FLAG_160MHZ
)
430 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
433 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
435 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
436 struct ieee80211_local
*local
= sdata
->local
;
437 struct timespec uptime
;
439 sinfo
->generation
= sdata
->local
->sta_generation
;
441 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
442 STATION_INFO_RX_BYTES
|
443 STATION_INFO_TX_BYTES
|
444 STATION_INFO_RX_PACKETS
|
445 STATION_INFO_TX_PACKETS
|
446 STATION_INFO_TX_RETRIES
|
447 STATION_INFO_TX_FAILED
|
448 STATION_INFO_TX_BITRATE
|
449 STATION_INFO_RX_BITRATE
|
450 STATION_INFO_RX_DROP_MISC
|
451 STATION_INFO_BSS_PARAM
|
452 STATION_INFO_CONNECTED_TIME
|
453 STATION_INFO_STA_FLAGS
|
454 STATION_INFO_BEACON_LOSS_COUNT
;
456 do_posix_clock_monotonic_gettime(&uptime
);
457 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
459 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
460 sinfo
->rx_bytes
= sta
->rx_bytes
;
461 sinfo
->tx_bytes
= sta
->tx_bytes
;
462 sinfo
->rx_packets
= sta
->rx_packets
;
463 sinfo
->tx_packets
= sta
->tx_packets
;
464 sinfo
->tx_retries
= sta
->tx_retry_count
;
465 sinfo
->tx_failed
= sta
->tx_retry_failed
;
466 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
467 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
469 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
470 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
471 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
472 if (!local
->ops
->get_rssi
||
473 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
474 sinfo
->signal
= (s8
)sta
->last_signal
;
475 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
478 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
479 sta_set_rate_info_rx(sta
, &sinfo
->rxrate
);
481 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
482 #ifdef CONFIG_MAC80211_MESH
483 sinfo
->filled
|= STATION_INFO_LLID
|
485 STATION_INFO_PLINK_STATE
;
487 sinfo
->llid
= le16_to_cpu(sta
->llid
);
488 sinfo
->plid
= le16_to_cpu(sta
->plid
);
489 sinfo
->plink_state
= sta
->plink_state
;
490 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
491 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
492 sinfo
->t_offset
= sta
->t_offset
;
497 sinfo
->bss_param
.flags
= 0;
498 if (sdata
->vif
.bss_conf
.use_cts_prot
)
499 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
500 if (sdata
->vif
.bss_conf
.use_short_preamble
)
501 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
502 if (sdata
->vif
.bss_conf
.use_short_slot
)
503 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
504 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
505 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
507 sinfo
->sta_flags
.set
= 0;
508 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
509 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
510 BIT(NL80211_STA_FLAG_WME
) |
511 BIT(NL80211_STA_FLAG_MFP
) |
512 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
513 BIT(NL80211_STA_FLAG_TDLS_PEER
);
514 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
515 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
516 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
517 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
518 if (test_sta_flag(sta
, WLAN_STA_WME
))
519 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
520 if (test_sta_flag(sta
, WLAN_STA_MFP
))
521 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
522 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
523 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
524 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
525 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
528 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
529 "rx_packets", "rx_bytes", "wep_weak_iv_count",
530 "rx_duplicates", "rx_fragments", "rx_dropped",
531 "tx_packets", "tx_bytes", "tx_fragments",
532 "tx_filtered", "tx_retry_failed", "tx_retries",
533 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
534 "channel", "noise", "ch_time", "ch_time_busy",
535 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
537 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
539 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
540 struct net_device
*dev
,
543 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
546 if (sset
== ETH_SS_STATS
)
549 rv
+= drv_get_et_sset_count(sdata
, sset
);
556 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
557 struct net_device
*dev
,
558 struct ethtool_stats
*stats
,
561 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
562 struct ieee80211_chanctx_conf
*chanctx_conf
;
563 struct ieee80211_channel
*channel
;
564 struct sta_info
*sta
;
565 struct ieee80211_local
*local
= sdata
->local
;
566 struct station_info sinfo
;
567 struct survey_info survey
;
569 #define STA_STATS_SURVEY_LEN 7
571 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
573 #define ADD_STA_STATS(sta) \
575 data[i++] += sta->rx_packets; \
576 data[i++] += sta->rx_bytes; \
577 data[i++] += sta->wep_weak_iv_count; \
578 data[i++] += sta->num_duplicates; \
579 data[i++] += sta->rx_fragments; \
580 data[i++] += sta->rx_dropped; \
582 data[i++] += sta->tx_packets; \
583 data[i++] += sta->tx_bytes; \
584 data[i++] += sta->tx_fragments; \
585 data[i++] += sta->tx_filtered_count; \
586 data[i++] += sta->tx_retry_failed; \
587 data[i++] += sta->tx_retry_count; \
588 data[i++] += sta->beacon_loss_count; \
591 /* For Managed stations, find the single station based on BSSID
592 * and use that. For interface types, iterate through all available
593 * stations and add stats for any station that is assigned to this
597 mutex_lock(&local
->sta_mtx
);
599 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
600 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
602 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
608 data
[i
++] = sta
->sta_state
;
611 sta_set_sinfo(sta
, &sinfo
);
613 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
615 cfg80211_calculate_bitrate(&sinfo
.txrate
);
617 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
619 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
622 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
623 data
[i
] = (u8
)sinfo
.signal_avg
;
626 list_for_each_entry(sta
, &local
->sta_list
, list
) {
627 /* Make sure this station belongs to the proper dev */
628 if (sta
->sdata
->dev
!= dev
)
637 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
638 /* Get survey stats for current channel */
642 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
644 channel
= chanctx_conf
->def
.chan
;
653 if (drv_get_survey(local
, q
, &survey
) != 0) {
658 } while (channel
!= survey
.channel
);
662 data
[i
++] = survey
.channel
->center_freq
;
665 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
666 data
[i
++] = (u8
)survey
.noise
;
669 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
670 data
[i
++] = survey
.channel_time
;
673 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
674 data
[i
++] = survey
.channel_time_busy
;
677 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
678 data
[i
++] = survey
.channel_time_ext_busy
;
681 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
682 data
[i
++] = survey
.channel_time_rx
;
685 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
686 data
[i
++] = survey
.channel_time_tx
;
690 mutex_unlock(&local
->sta_mtx
);
692 if (WARN_ON(i
!= STA_STATS_LEN
))
695 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
698 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
699 struct net_device
*dev
,
702 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
703 int sz_sta_stats
= 0;
705 if (sset
== ETH_SS_STATS
) {
706 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
707 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
709 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
712 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
713 int idx
, u8
*mac
, struct station_info
*sinfo
)
715 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
716 struct ieee80211_local
*local
= sdata
->local
;
717 struct sta_info
*sta
;
720 mutex_lock(&local
->sta_mtx
);
722 sta
= sta_info_get_by_idx(sdata
, idx
);
725 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
726 sta_set_sinfo(sta
, sinfo
);
729 mutex_unlock(&local
->sta_mtx
);
734 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
735 int idx
, struct survey_info
*survey
)
737 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
739 return drv_get_survey(local
, idx
, survey
);
742 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
743 u8
*mac
, struct station_info
*sinfo
)
745 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
746 struct ieee80211_local
*local
= sdata
->local
;
747 struct sta_info
*sta
;
750 mutex_lock(&local
->sta_mtx
);
752 sta
= sta_info_get_bss(sdata
, mac
);
755 sta_set_sinfo(sta
, sinfo
);
758 mutex_unlock(&local
->sta_mtx
);
763 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
764 struct cfg80211_chan_def
*chandef
)
766 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
767 struct ieee80211_sub_if_data
*sdata
;
770 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
773 mutex_lock(&local
->iflist_mtx
);
774 if (local
->use_chanctx
) {
775 sdata
= rcu_dereference_protected(
776 local
->monitor_sdata
,
777 lockdep_is_held(&local
->iflist_mtx
));
779 ieee80211_vif_release_channel(sdata
);
780 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
781 IEEE80211_CHANCTX_EXCLUSIVE
);
783 } else if (local
->open_count
== local
->monitors
) {
784 local
->_oper_channel
= chandef
->chan
;
785 local
->_oper_channel_type
= cfg80211_get_chandef_type(chandef
);
786 ieee80211_hw_config(local
, 0);
790 local
->monitor_chandef
= *chandef
;
791 mutex_unlock(&local
->iflist_mtx
);
796 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
797 const u8
*resp
, size_t resp_len
)
799 struct probe_resp
*new, *old
;
801 if (!resp
|| !resp_len
)
804 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
806 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
811 memcpy(new->data
, resp
, resp_len
);
813 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
815 kfree_rcu(old
, rcu_head
);
820 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
821 struct cfg80211_beacon_data
*params
)
823 struct beacon_data
*new, *old
;
824 int new_head_len
, new_tail_len
;
826 u32 changed
= BSS_CHANGED_BEACON
;
828 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
830 /* Need to have a beacon head if we don't have one yet */
831 if (!params
->head
&& !old
)
834 /* new or old head? */
836 new_head_len
= params
->head_len
;
838 new_head_len
= old
->head_len
;
840 /* new or old tail? */
841 if (params
->tail
|| !old
)
842 /* params->tail_len will be zero for !params->tail */
843 new_tail_len
= params
->tail_len
;
845 new_tail_len
= old
->tail_len
;
847 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
849 new = kzalloc(size
, GFP_KERNEL
);
853 /* start filling the new info now */
856 * pointers go into the block we allocated,
857 * memory is | beacon_data | head | tail |
859 new->head
= ((u8
*) new) + sizeof(*new);
860 new->tail
= new->head
+ new_head_len
;
861 new->head_len
= new_head_len
;
862 new->tail_len
= new_tail_len
;
866 memcpy(new->head
, params
->head
, new_head_len
);
868 memcpy(new->head
, old
->head
, new_head_len
);
870 /* copy in optional tail */
872 memcpy(new->tail
, params
->tail
, new_tail_len
);
875 memcpy(new->tail
, old
->tail
, new_tail_len
);
877 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
878 params
->probe_resp_len
);
882 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
884 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
887 kfree_rcu(old
, rcu_head
);
892 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
893 struct cfg80211_ap_settings
*params
)
895 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
896 struct beacon_data
*old
;
897 struct ieee80211_sub_if_data
*vlan
;
898 u32 changed
= BSS_CHANGED_BEACON_INT
|
899 BSS_CHANGED_BEACON_ENABLED
|
905 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
909 /* TODO: make hostapd tell us what it wants */
910 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
911 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
913 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
914 IEEE80211_CHANCTX_SHARED
);
919 * Apply control port protocol, this allows us to
920 * not encrypt dynamic WEP control frames.
922 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
923 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
924 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
925 vlan
->control_port_protocol
=
926 params
->crypto
.control_port_ethertype
;
927 vlan
->control_port_no_encrypt
=
928 params
->crypto
.control_port_no_encrypt
;
931 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
932 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
934 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
935 if (params
->ssid_len
)
936 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
938 sdata
->vif
.bss_conf
.hidden_ssid
=
939 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
941 sdata
->vif
.bss_conf
.p2p_ctwindow
= params
->p2p_ctwindow
;
942 sdata
->vif
.bss_conf
.p2p_oppps
= params
->p2p_opp_ps
;
944 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
949 err
= drv_start_ap(sdata
->local
, sdata
);
951 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
953 kfree_rcu(old
, rcu_head
);
954 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
958 ieee80211_bss_info_change_notify(sdata
, changed
);
960 netif_carrier_on(dev
);
961 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
962 netif_carrier_on(vlan
->dev
);
967 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
968 struct cfg80211_beacon_data
*params
)
970 struct ieee80211_sub_if_data
*sdata
;
971 struct beacon_data
*old
;
974 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
976 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
980 err
= ieee80211_assign_beacon(sdata
, params
);
983 ieee80211_bss_info_change_notify(sdata
, err
);
987 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
989 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
990 struct ieee80211_sub_if_data
*vlan
;
991 struct ieee80211_local
*local
= sdata
->local
;
992 struct beacon_data
*old_beacon
;
993 struct probe_resp
*old_probe_resp
;
995 old_beacon
= rtnl_dereference(sdata
->u
.ap
.beacon
);
998 old_probe_resp
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
1000 /* turn off carrier for this interface and dependent VLANs */
1001 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1002 netif_carrier_off(vlan
->dev
);
1003 netif_carrier_off(dev
);
1005 /* remove beacon and probe response */
1006 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1007 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
1008 kfree_rcu(old_beacon
, rcu_head
);
1010 kfree_rcu(old_probe_resp
, rcu_head
);
1012 sta_info_flush(local
, sdata
);
1013 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
1015 drv_stop_ap(sdata
->local
, sdata
);
1017 /* free all potentially still buffered bcast frames */
1018 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
1019 skb_queue_purge(&sdata
->u
.ap
.ps
.bc_buf
);
1021 ieee80211_vif_release_channel(sdata
);
1026 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1027 struct iapp_layer2_update
{
1028 u8 da
[ETH_ALEN
]; /* broadcast */
1029 u8 sa
[ETH_ALEN
]; /* STA addr */
1037 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
1039 struct iapp_layer2_update
*msg
;
1040 struct sk_buff
*skb
;
1042 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1045 skb
= dev_alloc_skb(sizeof(*msg
));
1048 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
1050 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1051 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1053 eth_broadcast_addr(msg
->da
);
1054 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1055 msg
->len
= htons(6);
1057 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1058 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1059 * F=0 (no poll command; unsolicited frame) */
1060 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1061 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1062 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1064 skb
->dev
= sta
->sdata
->dev
;
1065 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1066 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1070 static int sta_apply_parameters(struct ieee80211_local
*local
,
1071 struct sta_info
*sta
,
1072 struct station_parameters
*params
)
1077 struct ieee80211_supported_band
*sband
;
1078 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1079 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
1082 sband
= local
->hw
.wiphy
->bands
[band
];
1084 mask
= params
->sta_flags_mask
;
1085 set
= params
->sta_flags_set
;
1088 * In mesh mode, we can clear AUTHENTICATED flag but must
1089 * also make ASSOCIATED follow appropriately for the driver
1090 * API. See also below, after AUTHORIZED changes.
1092 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1093 /* cfg80211 should not allow this in non-mesh modes */
1094 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1097 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1098 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1099 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1102 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1108 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1109 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1110 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1111 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1112 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1117 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1118 /* cfg80211 should not allow this in non-mesh modes */
1119 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1122 if (!(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1123 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1124 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1127 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1134 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1135 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1136 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1138 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1141 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1142 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1143 set_sta_flag(sta
, WLAN_STA_WME
);
1144 sta
->sta
.wme
= true;
1146 clear_sta_flag(sta
, WLAN_STA_WME
);
1147 sta
->sta
.wme
= false;
1151 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1152 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1153 set_sta_flag(sta
, WLAN_STA_MFP
);
1155 clear_sta_flag(sta
, WLAN_STA_MFP
);
1158 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1159 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1160 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1162 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1165 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1166 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1167 sta
->sta
.max_sp
= params
->max_sp
;
1171 * cfg80211 validates this (1-2007) and allows setting the AID
1172 * only when creating a new station entry
1175 sta
->sta
.aid
= params
->aid
;
1178 * FIXME: updating the following information is racy when this
1179 * function is called from ieee80211_change_station().
1180 * However, all this information should be static so
1181 * maybe we should just reject attemps to change it.
1184 if (params
->listen_interval
>= 0)
1185 sta
->listen_interval
= params
->listen_interval
;
1187 if (params
->supported_rates
) {
1190 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1191 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1192 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1193 if (sband
->bitrates
[j
].bitrate
== rate
)
1197 sta
->sta
.supp_rates
[band
] = rates
;
1200 if (params
->ht_capa
)
1201 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1205 if (params
->vht_capa
)
1206 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1210 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1211 #ifdef CONFIG_MAC80211_MESH
1212 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
1213 switch (params
->plink_state
) {
1214 case NL80211_PLINK_LISTEN
:
1215 case NL80211_PLINK_ESTAB
:
1216 case NL80211_PLINK_BLOCKED
:
1217 sta
->plink_state
= params
->plink_state
;
1224 switch (params
->plink_action
) {
1225 case PLINK_ACTION_OPEN
:
1226 mesh_plink_open(sta
);
1228 case PLINK_ACTION_BLOCK
:
1229 mesh_plink_block(sta
);
1238 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1239 u8
*mac
, struct station_parameters
*params
)
1241 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1242 struct sta_info
*sta
;
1243 struct ieee80211_sub_if_data
*sdata
;
1248 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1250 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1251 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1254 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1256 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1259 if (is_multicast_ether_addr(mac
))
1262 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1266 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1267 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1269 err
= sta_apply_parameters(local
, sta
, params
);
1271 sta_info_free(local
, sta
);
1276 * for TDLS, rate control should be initialized only when supported
1279 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1280 rate_control_rate_init(sta
);
1282 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1283 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1285 err
= sta_info_insert_rcu(sta
);
1292 ieee80211_send_layer2_update(sta
);
1299 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1302 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1303 struct ieee80211_sub_if_data
*sdata
;
1305 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1308 return sta_info_destroy_addr_bss(sdata
, mac
);
1310 sta_info_flush(local
, sdata
);
1314 static int ieee80211_change_station(struct wiphy
*wiphy
,
1315 struct net_device
*dev
,
1317 struct station_parameters
*params
)
1319 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1320 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1321 struct sta_info
*sta
;
1322 struct ieee80211_sub_if_data
*vlansdata
;
1325 mutex_lock(&local
->sta_mtx
);
1327 sta
= sta_info_get_bss(sdata
, mac
);
1329 mutex_unlock(&local
->sta_mtx
);
1333 /* in station mode, supported rates are only valid with TDLS */
1334 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1335 params
->supported_rates
&&
1336 !test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1337 mutex_unlock(&local
->sta_mtx
);
1341 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1342 bool prev_4addr
= false;
1343 bool new_4addr
= false;
1345 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1347 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1348 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
1349 mutex_unlock(&local
->sta_mtx
);
1353 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1354 if (vlansdata
->u
.vlan
.sta
) {
1355 mutex_unlock(&local
->sta_mtx
);
1359 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1363 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1364 sta
->sdata
->u
.vlan
.sta
) {
1365 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1369 sta
->sdata
= vlansdata
;
1371 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1372 prev_4addr
!= new_4addr
) {
1374 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1376 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1379 ieee80211_send_layer2_update(sta
);
1382 err
= sta_apply_parameters(local
, sta
, params
);
1384 mutex_unlock(&local
->sta_mtx
);
1388 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
1389 rate_control_rate_init(sta
);
1391 mutex_unlock(&local
->sta_mtx
);
1393 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1394 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1395 ieee80211_recalc_ps(local
, -1);
1396 ieee80211_recalc_ps_vif(sdata
);
1401 #ifdef CONFIG_MAC80211_MESH
1402 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1403 u8
*dst
, u8
*next_hop
)
1405 struct ieee80211_sub_if_data
*sdata
;
1406 struct mesh_path
*mpath
;
1407 struct sta_info
*sta
;
1410 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1413 sta
= sta_info_get(sdata
, next_hop
);
1419 err
= mesh_path_add(dst
, sdata
);
1425 mpath
= mesh_path_lookup(dst
, sdata
);
1430 mesh_path_fix_nexthop(mpath
, sta
);
1436 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1439 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1442 return mesh_path_del(dst
, sdata
);
1444 mesh_path_flush_by_iface(sdata
);
1448 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1449 struct net_device
*dev
,
1450 u8
*dst
, u8
*next_hop
)
1452 struct ieee80211_sub_if_data
*sdata
;
1453 struct mesh_path
*mpath
;
1454 struct sta_info
*sta
;
1456 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1460 sta
= sta_info_get(sdata
, next_hop
);
1466 mpath
= mesh_path_lookup(dst
, sdata
);
1472 mesh_path_fix_nexthop(mpath
, sta
);
1478 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1479 struct mpath_info
*pinfo
)
1481 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1484 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1486 memset(next_hop
, 0, ETH_ALEN
);
1488 memset(pinfo
, 0, sizeof(*pinfo
));
1490 pinfo
->generation
= mesh_paths_generation
;
1492 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1495 MPATH_INFO_EXPTIME
|
1496 MPATH_INFO_DISCOVERY_TIMEOUT
|
1497 MPATH_INFO_DISCOVERY_RETRIES
|
1500 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1501 pinfo
->sn
= mpath
->sn
;
1502 pinfo
->metric
= mpath
->metric
;
1503 if (time_before(jiffies
, mpath
->exp_time
))
1504 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1505 pinfo
->discovery_timeout
=
1506 jiffies_to_msecs(mpath
->discovery_timeout
);
1507 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1508 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1509 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1510 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1511 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1512 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1513 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1514 if (mpath
->flags
& MESH_PATH_FIXED
)
1515 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1516 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1517 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1520 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1521 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1524 struct ieee80211_sub_if_data
*sdata
;
1525 struct mesh_path
*mpath
;
1527 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1530 mpath
= mesh_path_lookup(dst
, sdata
);
1535 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1536 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1541 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1542 int idx
, u8
*dst
, u8
*next_hop
,
1543 struct mpath_info
*pinfo
)
1545 struct ieee80211_sub_if_data
*sdata
;
1546 struct mesh_path
*mpath
;
1548 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1551 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1556 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1557 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1562 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1563 struct net_device
*dev
,
1564 struct mesh_config
*conf
)
1566 struct ieee80211_sub_if_data
*sdata
;
1567 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1569 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1573 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1575 return (mask
>> (parm
-1)) & 0x1;
1578 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1579 const struct mesh_setup
*setup
)
1583 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1584 struct ieee80211_sub_if_data
, u
.mesh
);
1586 /* allocate information elements */
1590 if (setup
->ie_len
) {
1591 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1596 ifmsh
->ie_len
= setup
->ie_len
;
1600 /* now copy the rest of the setup parameters */
1601 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1602 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1603 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1604 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1605 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1606 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1607 if (setup
->is_authenticated
)
1608 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1609 if (setup
->is_secure
)
1610 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1612 /* mcast rate setting in Mesh Node */
1613 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1614 sizeof(setup
->mcast_rate
));
1619 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1620 struct net_device
*dev
, u32 mask
,
1621 const struct mesh_config
*nconf
)
1623 struct mesh_config
*conf
;
1624 struct ieee80211_sub_if_data
*sdata
;
1625 struct ieee80211_if_mesh
*ifmsh
;
1627 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1628 ifmsh
= &sdata
->u
.mesh
;
1630 /* Set the config options which we are interested in setting */
1631 conf
= &(sdata
->u
.mesh
.mshcfg
);
1632 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1633 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1634 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1635 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1636 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1637 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1638 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1639 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1640 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1641 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1642 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1643 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1644 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1645 conf
->element_ttl
= nconf
->element_ttl
;
1646 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1647 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1648 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1649 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1650 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1651 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1652 conf
->dot11MeshHWMPmaxPREQretries
=
1653 nconf
->dot11MeshHWMPmaxPREQretries
;
1654 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1655 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1656 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1657 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1658 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1659 conf
->dot11MeshHWMPactivePathTimeout
=
1660 nconf
->dot11MeshHWMPactivePathTimeout
;
1661 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1662 conf
->dot11MeshHWMPpreqMinInterval
=
1663 nconf
->dot11MeshHWMPpreqMinInterval
;
1664 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1665 conf
->dot11MeshHWMPperrMinInterval
=
1666 nconf
->dot11MeshHWMPperrMinInterval
;
1667 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1669 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1670 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1671 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1672 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1673 ieee80211_mesh_root_setup(ifmsh
);
1675 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1676 /* our current gate announcement implementation rides on root
1677 * announcements, so require this ifmsh to also be a root node
1679 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1680 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1681 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1682 ieee80211_mesh_root_setup(ifmsh
);
1684 conf
->dot11MeshGateAnnouncementProtocol
=
1685 nconf
->dot11MeshGateAnnouncementProtocol
;
1687 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1688 conf
->dot11MeshHWMPRannInterval
=
1689 nconf
->dot11MeshHWMPRannInterval
;
1690 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1691 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1692 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1693 /* our RSSI threshold implementation is supported only for
1694 * devices that report signal in dBm.
1696 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1698 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1700 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1701 conf
->ht_opmode
= nconf
->ht_opmode
;
1702 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1703 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1705 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1706 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1707 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1708 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1709 conf
->dot11MeshHWMProotInterval
=
1710 nconf
->dot11MeshHWMProotInterval
;
1711 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1712 conf
->dot11MeshHWMPconfirmationInterval
=
1713 nconf
->dot11MeshHWMPconfirmationInterval
;
1717 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1718 const struct mesh_config
*conf
,
1719 const struct mesh_setup
*setup
)
1721 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1722 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1725 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1726 err
= copy_mesh_setup(ifmsh
, setup
);
1730 /* can mesh use other SMPS modes? */
1731 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
1732 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
1734 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
1735 IEEE80211_CHANCTX_SHARED
);
1739 ieee80211_start_mesh(sdata
);
1744 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1746 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1748 ieee80211_stop_mesh(sdata
);
1749 ieee80211_vif_release_channel(sdata
);
1755 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1756 struct net_device
*dev
,
1757 struct bss_parameters
*params
)
1759 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1760 enum ieee80211_band band
;
1763 if (!rtnl_dereference(sdata
->u
.ap
.beacon
))
1766 band
= ieee80211_get_sdata_band(sdata
);
1768 if (params
->use_cts_prot
>= 0) {
1769 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1770 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1772 if (params
->use_short_preamble
>= 0) {
1773 sdata
->vif
.bss_conf
.use_short_preamble
=
1774 params
->use_short_preamble
;
1775 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1778 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1779 band
== IEEE80211_BAND_5GHZ
) {
1780 sdata
->vif
.bss_conf
.use_short_slot
= true;
1781 changed
|= BSS_CHANGED_ERP_SLOT
;
1784 if (params
->use_short_slot_time
>= 0) {
1785 sdata
->vif
.bss_conf
.use_short_slot
=
1786 params
->use_short_slot_time
;
1787 changed
|= BSS_CHANGED_ERP_SLOT
;
1790 if (params
->basic_rates
) {
1793 struct ieee80211_supported_band
*sband
= wiphy
->bands
[band
];
1795 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1796 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1797 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1798 if (sband
->bitrates
[j
].bitrate
== rate
)
1802 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1803 changed
|= BSS_CHANGED_BASIC_RATES
;
1806 if (params
->ap_isolate
>= 0) {
1807 if (params
->ap_isolate
)
1808 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1810 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1813 if (params
->ht_opmode
>= 0) {
1814 sdata
->vif
.bss_conf
.ht_operation_mode
=
1815 (u16
) params
->ht_opmode
;
1816 changed
|= BSS_CHANGED_HT
;
1819 if (params
->p2p_ctwindow
>= 0) {
1820 sdata
->vif
.bss_conf
.p2p_ctwindow
= params
->p2p_ctwindow
;
1821 changed
|= BSS_CHANGED_P2P_PS
;
1824 if (params
->p2p_opp_ps
>= 0) {
1825 sdata
->vif
.bss_conf
.p2p_oppps
= params
->p2p_opp_ps
;
1826 changed
|= BSS_CHANGED_P2P_PS
;
1829 ieee80211_bss_info_change_notify(sdata
, changed
);
1834 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1835 struct net_device
*dev
,
1836 struct ieee80211_txq_params
*params
)
1838 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1839 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1840 struct ieee80211_tx_queue_params p
;
1842 if (!local
->ops
->conf_tx
)
1845 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1848 memset(&p
, 0, sizeof(p
));
1849 p
.aifs
= params
->aifs
;
1850 p
.cw_max
= params
->cwmax
;
1851 p
.cw_min
= params
->cwmin
;
1852 p
.txop
= params
->txop
;
1855 * Setting tx queue params disables u-apsd because it's only
1856 * called in master mode.
1860 sdata
->tx_conf
[params
->ac
] = p
;
1861 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1862 wiphy_debug(local
->hw
.wiphy
,
1863 "failed to set TX queue parameters for AC %d\n",
1868 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1874 static int ieee80211_suspend(struct wiphy
*wiphy
,
1875 struct cfg80211_wowlan
*wowlan
)
1877 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1880 static int ieee80211_resume(struct wiphy
*wiphy
)
1882 return __ieee80211_resume(wiphy_priv(wiphy
));
1885 #define ieee80211_suspend NULL
1886 #define ieee80211_resume NULL
1889 static int ieee80211_scan(struct wiphy
*wiphy
,
1890 struct cfg80211_scan_request
*req
)
1892 struct ieee80211_sub_if_data
*sdata
;
1894 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1896 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1897 case NL80211_IFTYPE_STATION
:
1898 case NL80211_IFTYPE_ADHOC
:
1899 case NL80211_IFTYPE_MESH_POINT
:
1900 case NL80211_IFTYPE_P2P_CLIENT
:
1901 case NL80211_IFTYPE_P2P_DEVICE
:
1903 case NL80211_IFTYPE_P2P_GO
:
1904 if (sdata
->local
->ops
->hw_scan
)
1907 * FIXME: implement NoA while scanning in software,
1908 * for now fall through to allow scanning only when
1909 * beaconing hasn't been configured yet
1911 case NL80211_IFTYPE_AP
:
1913 * If the scan has been forced (and the driver supports
1914 * forcing), don't care about being beaconing already.
1915 * This will create problems to the attached stations (e.g. all
1916 * the frames sent while scanning on other channel will be
1919 if (sdata
->u
.ap
.beacon
&&
1920 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
1921 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
1928 return ieee80211_request_scan(sdata
, req
);
1932 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1933 struct net_device
*dev
,
1934 struct cfg80211_sched_scan_request
*req
)
1936 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1938 if (!sdata
->local
->ops
->sched_scan_start
)
1941 return ieee80211_request_sched_scan_start(sdata
, req
);
1945 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1947 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1949 if (!sdata
->local
->ops
->sched_scan_stop
)
1952 return ieee80211_request_sched_scan_stop(sdata
);
1955 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1956 struct cfg80211_auth_request
*req
)
1958 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1961 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1962 struct cfg80211_assoc_request
*req
)
1964 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1967 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1968 struct cfg80211_deauth_request
*req
)
1970 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1973 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1974 struct cfg80211_disassoc_request
*req
)
1976 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1979 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1980 struct cfg80211_ibss_params
*params
)
1982 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
1985 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1987 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
1990 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
1991 int rate
[IEEE80211_NUM_BANDS
])
1993 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1995 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
, sizeof(rate
));
2000 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2002 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2005 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2006 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2012 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
2013 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
2019 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2020 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2026 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2027 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2029 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2031 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2032 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2034 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2037 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2038 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2043 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2044 struct wireless_dev
*wdev
,
2045 enum nl80211_tx_power_setting type
, int mbm
)
2047 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2048 struct ieee80211_sub_if_data
*sdata
;
2051 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2054 case NL80211_TX_POWER_AUTOMATIC
:
2055 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2057 case NL80211_TX_POWER_LIMITED
:
2058 case NL80211_TX_POWER_FIXED
:
2059 if (mbm
< 0 || (mbm
% 100))
2061 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2065 ieee80211_recalc_txpower(sdata
);
2071 case NL80211_TX_POWER_AUTOMATIC
:
2072 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2074 case NL80211_TX_POWER_LIMITED
:
2075 case NL80211_TX_POWER_FIXED
:
2076 if (mbm
< 0 || (mbm
% 100))
2078 local
->user_power_level
= MBM_TO_DBM(mbm
);
2082 mutex_lock(&local
->iflist_mtx
);
2083 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2084 sdata
->user_power_level
= local
->user_power_level
;
2085 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2086 ieee80211_recalc_txpower(sdata
);
2087 mutex_unlock(&local
->iflist_mtx
);
2092 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2093 struct wireless_dev
*wdev
,
2096 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2097 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2099 if (!local
->use_chanctx
)
2100 *dbm
= local
->hw
.conf
.power_level
;
2102 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2107 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2110 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2112 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2117 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2119 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2121 drv_rfkill_poll(local
);
2124 #ifdef CONFIG_NL80211_TESTMODE
2125 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
2127 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2129 if (!local
->ops
->testmode_cmd
)
2132 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
2135 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2136 struct sk_buff
*skb
,
2137 struct netlink_callback
*cb
,
2138 void *data
, int len
)
2140 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2142 if (!local
->ops
->testmode_dump
)
2145 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2149 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
2150 enum ieee80211_smps_mode smps_mode
)
2153 enum ieee80211_smps_mode old_req
;
2156 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
2158 old_req
= sdata
->u
.mgd
.req_smps
;
2159 sdata
->u
.mgd
.req_smps
= smps_mode
;
2161 if (old_req
== smps_mode
&&
2162 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2166 * If not associated, or current association is not an HT
2167 * association, there's no need to do anything, just store
2168 * the new value until we associate.
2170 if (!sdata
->u
.mgd
.associated
||
2171 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2174 ap
= sdata
->u
.mgd
.associated
->bssid
;
2176 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2177 if (sdata
->u
.mgd
.powersave
)
2178 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2180 smps_mode
= IEEE80211_SMPS_OFF
;
2183 /* send SM PS frame to AP */
2184 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2187 sdata
->u
.mgd
.req_smps
= old_req
;
2192 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2193 bool enabled
, int timeout
)
2195 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2196 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2198 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2201 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2204 if (enabled
== sdata
->u
.mgd
.powersave
&&
2205 timeout
== local
->dynamic_ps_forced_timeout
)
2208 sdata
->u
.mgd
.powersave
= enabled
;
2209 local
->dynamic_ps_forced_timeout
= timeout
;
2211 /* no change, but if automatic follow powersave */
2212 mutex_lock(&sdata
->u
.mgd
.mtx
);
2213 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2214 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2216 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2217 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2219 ieee80211_recalc_ps(local
, -1);
2220 ieee80211_recalc_ps_vif(sdata
);
2225 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2226 struct net_device
*dev
,
2227 s32 rssi_thold
, u32 rssi_hyst
)
2229 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2230 struct ieee80211_vif
*vif
= &sdata
->vif
;
2231 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2233 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2234 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2237 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2238 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2240 /* tell the driver upon association, unless already associated */
2241 if (sdata
->u
.mgd
.associated
&&
2242 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2243 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2248 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2249 struct net_device
*dev
,
2251 const struct cfg80211_bitrate_mask
*mask
)
2253 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2254 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2257 if (!ieee80211_sdata_running(sdata
))
2260 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2261 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2266 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2267 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2268 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2269 sizeof(mask
->control
[i
].mcs
));
2275 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2276 struct ieee80211_sub_if_data
*sdata
,
2277 struct ieee80211_channel
*channel
,
2278 unsigned int duration
, u64
*cookie
,
2279 struct sk_buff
*txskb
)
2281 struct ieee80211_roc_work
*roc
, *tmp
;
2282 bool queued
= false;
2285 lockdep_assert_held(&local
->mtx
);
2287 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2290 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2294 roc
->chan
= channel
;
2295 roc
->duration
= duration
;
2296 roc
->req_duration
= duration
;
2298 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2300 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2301 INIT_LIST_HEAD(&roc
->dependents
);
2303 /* if there's one pending or we're scanning, queue this one */
2304 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2305 goto out_check_combine
;
2307 /* if not HW assist, just queue & schedule work */
2308 if (!local
->ops
->remain_on_channel
) {
2309 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2313 /* otherwise actually kick it off here (for error handling) */
2316 * If the duration is zero, then the driver
2317 * wouldn't actually do anything. Set it to
2320 * TODO: cancel the off-channel operation
2321 * when we get the SKB's TX status and
2322 * the wait time was zero before.
2327 ret
= drv_remain_on_channel(local
, sdata
, channel
, duration
);
2333 roc
->started
= true;
2337 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2338 if (tmp
->chan
!= channel
|| tmp
->sdata
!= sdata
)
2342 * Extend this ROC if possible:
2344 * If it hasn't started yet, just increase the duration
2345 * and add the new one to the list of dependents.
2347 if (!tmp
->started
) {
2348 list_add_tail(&roc
->list
, &tmp
->dependents
);
2349 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2354 /* If it has already started, it's more difficult ... */
2355 if (local
->ops
->remain_on_channel
) {
2356 unsigned long j
= jiffies
;
2359 * In the offloaded ROC case, if it hasn't begun, add
2360 * this new one to the dependent list to be handled
2361 * when the the master one begins. If it has begun,
2362 * check that there's still a minimum time left and
2363 * if so, start this one, transmitting the frame, but
2364 * add it to the list directly after this one with a
2365 * a reduced time so we'll ask the driver to execute
2366 * it right after finishing the previous one, in the
2367 * hope that it'll also be executed right afterwards,
2368 * effectively extending the old one.
2369 * If there's no minimum time left, just add it to the
2372 if (!tmp
->hw_begun
) {
2373 list_add_tail(&roc
->list
, &tmp
->dependents
);
2378 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2379 tmp
->hw_start_time
+
2380 msecs_to_jiffies(tmp
->duration
))) {
2383 ieee80211_handle_roc_started(roc
);
2385 new_dur
= roc
->duration
-
2386 jiffies_to_msecs(tmp
->hw_start_time
+
2392 /* add right after tmp */
2393 list_add(&roc
->list
, &tmp
->list
);
2395 list_add_tail(&roc
->list
,
2400 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2401 unsigned long new_end
;
2404 * In the software ROC case, cancel the timer, if
2405 * that fails then the finish work is already
2406 * queued/pending and thus we queue the new ROC
2407 * normally, if that succeeds then we can extend
2408 * the timer duration and TX the frame (if any.)
2411 list_add_tail(&roc
->list
, &tmp
->dependents
);
2414 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2416 /* ok, it was started & we canceled timer */
2417 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2418 mod_timer(&tmp
->work
.timer
, new_end
);
2420 add_timer(&tmp
->work
.timer
);
2422 ieee80211_handle_roc_started(roc
);
2429 list_add_tail(&roc
->list
, &local
->roc_list
);
2432 * cookie is either the roc cookie (for normal roc)
2433 * or the SKB (for mgmt TX)
2436 /* local->mtx protects this */
2437 local
->roc_cookie_counter
++;
2438 roc
->cookie
= local
->roc_cookie_counter
;
2439 /* wow, you wrapped 64 bits ... more likely a bug */
2440 if (WARN_ON(roc
->cookie
== 0)) {
2442 local
->roc_cookie_counter
++;
2444 *cookie
= roc
->cookie
;
2446 *cookie
= (unsigned long)txskb
;
2452 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2453 struct wireless_dev
*wdev
,
2454 struct ieee80211_channel
*chan
,
2455 unsigned int duration
,
2458 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2459 struct ieee80211_local
*local
= sdata
->local
;
2462 mutex_lock(&local
->mtx
);
2463 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2464 duration
, cookie
, NULL
);
2465 mutex_unlock(&local
->mtx
);
2470 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2471 u64 cookie
, bool mgmt_tx
)
2473 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2476 mutex_lock(&local
->mtx
);
2477 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2478 struct ieee80211_roc_work
*dep
, *tmp2
;
2480 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2481 if (!mgmt_tx
&& dep
->cookie
!= cookie
)
2483 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2485 /* found dependent item -- just remove it */
2486 list_del(&dep
->list
);
2487 mutex_unlock(&local
->mtx
);
2489 ieee80211_roc_notify_destroy(dep
);
2493 if (!mgmt_tx
&& roc
->cookie
!= cookie
)
2495 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2503 mutex_unlock(&local
->mtx
);
2508 * We found the item to cancel, so do that. Note that it
2509 * may have dependents, which we also cancel (and send
2510 * the expired signal for.) Not doing so would be quite
2511 * tricky here, but we may need to fix it later.
2514 if (local
->ops
->remain_on_channel
) {
2515 if (found
->started
) {
2516 ret
= drv_cancel_remain_on_channel(local
);
2517 if (WARN_ON_ONCE(ret
)) {
2518 mutex_unlock(&local
->mtx
);
2523 list_del(&found
->list
);
2526 ieee80211_start_next_roc(local
);
2527 mutex_unlock(&local
->mtx
);
2529 ieee80211_roc_notify_destroy(found
);
2531 /* work may be pending so use it all the time */
2532 found
->abort
= true;
2533 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2535 mutex_unlock(&local
->mtx
);
2537 /* work will clean up etc */
2538 flush_delayed_work(&found
->work
);
2544 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2545 struct wireless_dev
*wdev
,
2548 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2549 struct ieee80211_local
*local
= sdata
->local
;
2551 return ieee80211_cancel_roc(local
, cookie
, false);
2554 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2555 struct ieee80211_channel
*chan
, bool offchan
,
2556 unsigned int wait
, const u8
*buf
, size_t len
,
2557 bool no_cck
, bool dont_wait_for_ack
, u64
*cookie
)
2559 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2560 struct ieee80211_local
*local
= sdata
->local
;
2561 struct sk_buff
*skb
;
2562 struct sta_info
*sta
;
2563 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2564 bool need_offchan
= false;
2568 if (dont_wait_for_ack
)
2569 flags
= IEEE80211_TX_CTL_NO_ACK
;
2571 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2572 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2575 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2577 switch (sdata
->vif
.type
) {
2578 case NL80211_IFTYPE_ADHOC
:
2579 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2580 need_offchan
= true;
2582 #ifdef CONFIG_MAC80211_MESH
2583 case NL80211_IFTYPE_MESH_POINT
:
2584 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
2585 !sdata
->u
.mesh
.mesh_id_len
)
2586 need_offchan
= true;
2589 case NL80211_IFTYPE_AP
:
2590 case NL80211_IFTYPE_AP_VLAN
:
2591 case NL80211_IFTYPE_P2P_GO
:
2592 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
2593 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
2594 !rcu_access_pointer(sdata
->bss
->beacon
))
2595 need_offchan
= true;
2596 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2597 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2600 sta
= sta_info_get(sdata
, mgmt
->da
);
2605 case NL80211_IFTYPE_STATION
:
2606 case NL80211_IFTYPE_P2P_CLIENT
:
2607 if (!sdata
->u
.mgd
.associated
)
2608 need_offchan
= true;
2610 case NL80211_IFTYPE_P2P_DEVICE
:
2611 need_offchan
= true;
2617 mutex_lock(&local
->mtx
);
2619 /* Check if the operating channel is the requested channel */
2620 if (!need_offchan
) {
2621 struct ieee80211_chanctx_conf
*chanctx_conf
;
2624 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
2627 need_offchan
= chan
!= chanctx_conf
->def
.chan
;
2629 need_offchan
= true;
2633 if (need_offchan
&& !offchan
) {
2638 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2643 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2645 memcpy(skb_put(skb
, len
), buf
, len
);
2647 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2649 skb
->dev
= sdata
->dev
;
2651 if (!need_offchan
) {
2652 *cookie
= (unsigned long) skb
;
2653 ieee80211_tx_skb(sdata
, skb
);
2658 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2659 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2660 IEEE80211_SKB_CB(skb
)->hw_queue
=
2661 local
->hw
.offchannel_tx_hw_queue
;
2663 /* This will handle all kinds of coalescing and immediate TX */
2664 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2669 mutex_unlock(&local
->mtx
);
2673 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2674 struct wireless_dev
*wdev
,
2677 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2679 return ieee80211_cancel_roc(local
, cookie
, true);
2682 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2683 struct wireless_dev
*wdev
,
2684 u16 frame_type
, bool reg
)
2686 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2687 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2689 switch (frame_type
) {
2690 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
:
2691 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
2692 struct ieee80211_if_ibss
*ifibss
= &sdata
->u
.ibss
;
2695 ifibss
->auth_frame_registrations
++;
2697 ifibss
->auth_frame_registrations
--;
2700 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
2702 local
->probe_req_reg
++;
2704 local
->probe_req_reg
--;
2706 if (!local
->open_count
)
2709 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2716 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2718 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2723 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2726 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2728 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2730 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2733 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2735 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2737 return drv_set_ringparam(local
, tx
, rx
);
2740 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2741 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2743 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2745 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2748 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2749 struct net_device
*dev
,
2750 struct cfg80211_gtk_rekey_data
*data
)
2752 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2753 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2755 if (!local
->ops
->set_rekey_data
)
2758 drv_set_rekey_data(local
, sdata
, data
);
2763 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2765 u8
*pos
= (void *)skb_put(skb
, 7);
2767 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2768 *pos
++ = 5; /* len */
2773 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2776 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2778 struct ieee80211_local
*local
= sdata
->local
;
2782 if (ieee80211_get_sdata_band(sdata
) != IEEE80211_BAND_2GHZ
)
2785 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2786 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2787 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2788 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2793 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2794 u8
*peer
, u8
*bssid
)
2796 struct ieee80211_tdls_lnkie
*lnkid
;
2798 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2800 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2801 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2803 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2804 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2805 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2809 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2810 u8
*peer
, u8 action_code
, u8 dialog_token
,
2811 u16 status_code
, struct sk_buff
*skb
)
2813 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2814 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
2815 struct ieee80211_tdls_data
*tf
;
2817 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2819 memcpy(tf
->da
, peer
, ETH_ALEN
);
2820 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2821 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2822 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2824 switch (action_code
) {
2825 case WLAN_TDLS_SETUP_REQUEST
:
2826 tf
->category
= WLAN_CATEGORY_TDLS
;
2827 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2829 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2830 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2831 tf
->u
.setup_req
.capability
=
2832 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2834 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
2835 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
2836 ieee80211_tdls_add_ext_capab(skb
);
2838 case WLAN_TDLS_SETUP_RESPONSE
:
2839 tf
->category
= WLAN_CATEGORY_TDLS
;
2840 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2842 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2843 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2844 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2845 tf
->u
.setup_resp
.capability
=
2846 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2848 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
2849 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
2850 ieee80211_tdls_add_ext_capab(skb
);
2852 case WLAN_TDLS_SETUP_CONFIRM
:
2853 tf
->category
= WLAN_CATEGORY_TDLS
;
2854 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2856 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2857 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2858 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2860 case WLAN_TDLS_TEARDOWN
:
2861 tf
->category
= WLAN_CATEGORY_TDLS
;
2862 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2864 skb_put(skb
, sizeof(tf
->u
.teardown
));
2865 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2867 case WLAN_TDLS_DISCOVERY_REQUEST
:
2868 tf
->category
= WLAN_CATEGORY_TDLS
;
2869 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2871 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2872 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2882 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2883 u8
*peer
, u8 action_code
, u8 dialog_token
,
2884 u16 status_code
, struct sk_buff
*skb
)
2886 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2887 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
2888 struct ieee80211_mgmt
*mgmt
;
2890 mgmt
= (void *)skb_put(skb
, 24);
2891 memset(mgmt
, 0, 24);
2892 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2893 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2894 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2896 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2897 IEEE80211_STYPE_ACTION
);
2899 switch (action_code
) {
2900 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2901 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2902 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2903 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2904 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2905 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2907 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2908 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2910 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
2911 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
2912 ieee80211_tdls_add_ext_capab(skb
);
2921 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2922 u8
*peer
, u8 action_code
, u8 dialog_token
,
2923 u16 status_code
, const u8
*extra_ies
,
2924 size_t extra_ies_len
)
2926 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2927 struct ieee80211_local
*local
= sdata
->local
;
2928 struct sk_buff
*skb
= NULL
;
2932 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2935 /* make sure we are in managed mode, and associated */
2936 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2937 !sdata
->u
.mgd
.associated
)
2940 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
2943 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2944 max(sizeof(struct ieee80211_mgmt
),
2945 sizeof(struct ieee80211_tdls_data
)) +
2946 50 + /* supported rates */
2949 sizeof(struct ieee80211_tdls_lnkie
));
2953 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2955 switch (action_code
) {
2956 case WLAN_TDLS_SETUP_REQUEST
:
2957 case WLAN_TDLS_SETUP_RESPONSE
:
2958 case WLAN_TDLS_SETUP_CONFIRM
:
2959 case WLAN_TDLS_TEARDOWN
:
2960 case WLAN_TDLS_DISCOVERY_REQUEST
:
2961 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2962 action_code
, dialog_token
,
2964 send_direct
= false;
2966 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2967 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2968 dialog_token
, status_code
,
2981 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2983 /* the TDLS link IE is always added last */
2984 switch (action_code
) {
2985 case WLAN_TDLS_SETUP_REQUEST
:
2986 case WLAN_TDLS_SETUP_CONFIRM
:
2987 case WLAN_TDLS_TEARDOWN
:
2988 case WLAN_TDLS_DISCOVERY_REQUEST
:
2989 /* we are the initiator */
2990 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2991 sdata
->u
.mgd
.bssid
);
2993 case WLAN_TDLS_SETUP_RESPONSE
:
2994 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2995 /* we are the responder */
2996 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2997 sdata
->u
.mgd
.bssid
);
3005 ieee80211_tx_skb(sdata
, skb
);
3010 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3011 * we should default to AC_VI.
3013 switch (action_code
) {
3014 case WLAN_TDLS_SETUP_REQUEST
:
3015 case WLAN_TDLS_SETUP_RESPONSE
:
3016 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
3020 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
3025 /* disable bottom halves when entering the Tx path */
3027 ret
= ieee80211_subif_start_xmit(skb
, dev
);
3037 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
3038 u8
*peer
, enum nl80211_tdls_operation oper
)
3040 struct sta_info
*sta
;
3041 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3043 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3046 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3049 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
3052 case NL80211_TDLS_ENABLE_LINK
:
3054 sta
= sta_info_get(sdata
, peer
);
3060 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
3063 case NL80211_TDLS_DISABLE_LINK
:
3064 return sta_info_destroy_addr(sdata
, peer
);
3065 case NL80211_TDLS_TEARDOWN
:
3066 case NL80211_TDLS_SETUP
:
3067 case NL80211_TDLS_DISCOVERY_REQ
:
3068 /* We don't support in-driver setup/teardown/discovery */
3077 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3078 const u8
*peer
, u64
*cookie
)
3080 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3081 struct ieee80211_local
*local
= sdata
->local
;
3082 struct ieee80211_qos_hdr
*nullfunc
;
3083 struct sk_buff
*skb
;
3084 int size
= sizeof(*nullfunc
);
3087 struct ieee80211_tx_info
*info
;
3088 struct sta_info
*sta
;
3089 struct ieee80211_chanctx_conf
*chanctx_conf
;
3090 enum ieee80211_band band
;
3093 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3094 if (WARN_ON(!chanctx_conf
)) {
3098 band
= chanctx_conf
->def
.chan
->band
;
3099 sta
= sta_info_get(sdata
, peer
);
3101 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
3108 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3109 IEEE80211_STYPE_QOS_NULLFUNC
|
3110 IEEE80211_FCTL_FROMDS
);
3113 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3114 IEEE80211_STYPE_NULLFUNC
|
3115 IEEE80211_FCTL_FROMDS
);
3118 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3126 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3128 nullfunc
= (void *) skb_put(skb
, size
);
3129 nullfunc
->frame_control
= fc
;
3130 nullfunc
->duration_id
= 0;
3131 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3132 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3133 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3134 nullfunc
->seq_ctrl
= 0;
3136 info
= IEEE80211_SKB_CB(skb
);
3138 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3139 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3141 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3144 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3147 ieee80211_xmit(sdata
, skb
, band
);
3151 *cookie
= (unsigned long) skb
;
3155 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3156 struct wireless_dev
*wdev
,
3157 struct cfg80211_chan_def
*chandef
)
3159 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3160 struct ieee80211_chanctx_conf
*chanctx_conf
;
3164 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3166 *chandef
= chanctx_conf
->def
;
3175 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3177 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3181 struct cfg80211_ops mac80211_config_ops
= {
3182 .add_virtual_intf
= ieee80211_add_iface
,
3183 .del_virtual_intf
= ieee80211_del_iface
,
3184 .change_virtual_intf
= ieee80211_change_iface
,
3185 .start_p2p_device
= ieee80211_start_p2p_device
,
3186 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3187 .add_key
= ieee80211_add_key
,
3188 .del_key
= ieee80211_del_key
,
3189 .get_key
= ieee80211_get_key
,
3190 .set_default_key
= ieee80211_config_default_key
,
3191 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3192 .start_ap
= ieee80211_start_ap
,
3193 .change_beacon
= ieee80211_change_beacon
,
3194 .stop_ap
= ieee80211_stop_ap
,
3195 .add_station
= ieee80211_add_station
,
3196 .del_station
= ieee80211_del_station
,
3197 .change_station
= ieee80211_change_station
,
3198 .get_station
= ieee80211_get_station
,
3199 .dump_station
= ieee80211_dump_station
,
3200 .dump_survey
= ieee80211_dump_survey
,
3201 #ifdef CONFIG_MAC80211_MESH
3202 .add_mpath
= ieee80211_add_mpath
,
3203 .del_mpath
= ieee80211_del_mpath
,
3204 .change_mpath
= ieee80211_change_mpath
,
3205 .get_mpath
= ieee80211_get_mpath
,
3206 .dump_mpath
= ieee80211_dump_mpath
,
3207 .update_mesh_config
= ieee80211_update_mesh_config
,
3208 .get_mesh_config
= ieee80211_get_mesh_config
,
3209 .join_mesh
= ieee80211_join_mesh
,
3210 .leave_mesh
= ieee80211_leave_mesh
,
3212 .change_bss
= ieee80211_change_bss
,
3213 .set_txq_params
= ieee80211_set_txq_params
,
3214 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3215 .suspend
= ieee80211_suspend
,
3216 .resume
= ieee80211_resume
,
3217 .scan
= ieee80211_scan
,
3218 .sched_scan_start
= ieee80211_sched_scan_start
,
3219 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3220 .auth
= ieee80211_auth
,
3221 .assoc
= ieee80211_assoc
,
3222 .deauth
= ieee80211_deauth
,
3223 .disassoc
= ieee80211_disassoc
,
3224 .join_ibss
= ieee80211_join_ibss
,
3225 .leave_ibss
= ieee80211_leave_ibss
,
3226 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3227 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3228 .set_tx_power
= ieee80211_set_tx_power
,
3229 .get_tx_power
= ieee80211_get_tx_power
,
3230 .set_wds_peer
= ieee80211_set_wds_peer
,
3231 .rfkill_poll
= ieee80211_rfkill_poll
,
3232 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3233 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3234 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3235 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3236 .remain_on_channel
= ieee80211_remain_on_channel
,
3237 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3238 .mgmt_tx
= ieee80211_mgmt_tx
,
3239 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3240 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3241 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3242 .set_antenna
= ieee80211_set_antenna
,
3243 .get_antenna
= ieee80211_get_antenna
,
3244 .set_ringparam
= ieee80211_set_ringparam
,
3245 .get_ringparam
= ieee80211_get_ringparam
,
3246 .set_rekey_data
= ieee80211_set_rekey_data
,
3247 .tdls_oper
= ieee80211_tdls_oper
,
3248 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3249 .probe_client
= ieee80211_probe_client
,
3250 .set_noack_map
= ieee80211_set_noack_map
,
3252 .set_wakeup
= ieee80211_set_wakeup
,
3254 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3255 .get_et_stats
= ieee80211_get_et_stats
,
3256 .get_et_strings
= ieee80211_get_et_strings
,
3257 .get_channel
= ieee80211_cfg_get_channel
,