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 static void rate_idx_to_bitrate(struct rate_info
*rate
, struct sta_info
*sta
, int idx
)
375 enum ieee80211_band band
= ieee80211_get_sdata_band(sta
->sdata
);
377 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
)) {
378 struct ieee80211_supported_band
*sband
;
379 sband
= sta
->local
->hw
.wiphy
->bands
[band
];
380 rate
->legacy
= sband
->bitrates
[idx
].bitrate
;
385 void sta_set_rate_info_tx(struct sta_info
*sta
,
386 const struct ieee80211_tx_rate
*rate
,
387 struct rate_info
*rinfo
)
390 if (rate
->flags
& IEEE80211_TX_RC_MCS
)
391 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
392 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
393 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
394 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
395 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
396 rate_idx_to_bitrate(rinfo
, sta
, rate
->idx
);
399 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
401 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
402 struct ieee80211_local
*local
= sdata
->local
;
403 struct timespec uptime
;
405 sinfo
->generation
= sdata
->local
->sta_generation
;
407 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
408 STATION_INFO_RX_BYTES
|
409 STATION_INFO_TX_BYTES
|
410 STATION_INFO_RX_PACKETS
|
411 STATION_INFO_TX_PACKETS
|
412 STATION_INFO_TX_RETRIES
|
413 STATION_INFO_TX_FAILED
|
414 STATION_INFO_TX_BITRATE
|
415 STATION_INFO_RX_BITRATE
|
416 STATION_INFO_RX_DROP_MISC
|
417 STATION_INFO_BSS_PARAM
|
418 STATION_INFO_CONNECTED_TIME
|
419 STATION_INFO_STA_FLAGS
|
420 STATION_INFO_BEACON_LOSS_COUNT
;
422 do_posix_clock_monotonic_gettime(&uptime
);
423 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
425 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
426 sinfo
->rx_bytes
= sta
->rx_bytes
;
427 sinfo
->tx_bytes
= sta
->tx_bytes
;
428 sinfo
->rx_packets
= sta
->rx_packets
;
429 sinfo
->tx_packets
= sta
->tx_packets
;
430 sinfo
->tx_retries
= sta
->tx_retry_count
;
431 sinfo
->tx_failed
= sta
->tx_retry_failed
;
432 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
433 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
435 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
436 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
437 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
438 if (!local
->ops
->get_rssi
||
439 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
440 sinfo
->signal
= (s8
)sta
->last_signal
;
441 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
444 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
446 sinfo
->rxrate
.flags
= 0;
447 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
448 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
449 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
450 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
451 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
452 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
453 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
455 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
456 #ifdef CONFIG_MAC80211_MESH
457 sinfo
->filled
|= STATION_INFO_LLID
|
459 STATION_INFO_PLINK_STATE
;
461 sinfo
->llid
= le16_to_cpu(sta
->llid
);
462 sinfo
->plid
= le16_to_cpu(sta
->plid
);
463 sinfo
->plink_state
= sta
->plink_state
;
464 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
465 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
466 sinfo
->t_offset
= sta
->t_offset
;
471 sinfo
->bss_param
.flags
= 0;
472 if (sdata
->vif
.bss_conf
.use_cts_prot
)
473 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
474 if (sdata
->vif
.bss_conf
.use_short_preamble
)
475 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
476 if (sdata
->vif
.bss_conf
.use_short_slot
)
477 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
478 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
479 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
481 sinfo
->sta_flags
.set
= 0;
482 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
483 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
484 BIT(NL80211_STA_FLAG_WME
) |
485 BIT(NL80211_STA_FLAG_MFP
) |
486 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
487 BIT(NL80211_STA_FLAG_TDLS_PEER
);
488 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
489 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
490 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
491 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
492 if (test_sta_flag(sta
, WLAN_STA_WME
))
493 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
494 if (test_sta_flag(sta
, WLAN_STA_MFP
))
495 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
496 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
497 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
498 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
499 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
502 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
503 "rx_packets", "rx_bytes", "wep_weak_iv_count",
504 "rx_duplicates", "rx_fragments", "rx_dropped",
505 "tx_packets", "tx_bytes", "tx_fragments",
506 "tx_filtered", "tx_retry_failed", "tx_retries",
507 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
508 "channel", "noise", "ch_time", "ch_time_busy",
509 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
511 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
513 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
514 struct net_device
*dev
,
517 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
520 if (sset
== ETH_SS_STATS
)
523 rv
+= drv_get_et_sset_count(sdata
, sset
);
530 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
531 struct net_device
*dev
,
532 struct ethtool_stats
*stats
,
535 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
536 struct ieee80211_chanctx_conf
*chanctx_conf
;
537 struct ieee80211_channel
*channel
;
538 struct sta_info
*sta
;
539 struct ieee80211_local
*local
= sdata
->local
;
540 struct station_info sinfo
;
541 struct survey_info survey
;
543 #define STA_STATS_SURVEY_LEN 7
545 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
547 #define ADD_STA_STATS(sta) \
549 data[i++] += sta->rx_packets; \
550 data[i++] += sta->rx_bytes; \
551 data[i++] += sta->wep_weak_iv_count; \
552 data[i++] += sta->num_duplicates; \
553 data[i++] += sta->rx_fragments; \
554 data[i++] += sta->rx_dropped; \
556 data[i++] += sta->tx_packets; \
557 data[i++] += sta->tx_bytes; \
558 data[i++] += sta->tx_fragments; \
559 data[i++] += sta->tx_filtered_count; \
560 data[i++] += sta->tx_retry_failed; \
561 data[i++] += sta->tx_retry_count; \
562 data[i++] += sta->beacon_loss_count; \
565 /* For Managed stations, find the single station based on BSSID
566 * and use that. For interface types, iterate through all available
567 * stations and add stats for any station that is assigned to this
571 mutex_lock(&local
->sta_mtx
);
573 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
574 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
576 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
582 data
[i
++] = sta
->sta_state
;
585 sta_set_sinfo(sta
, &sinfo
);
587 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
589 cfg80211_calculate_bitrate(&sinfo
.txrate
);
591 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
593 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
596 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
597 data
[i
] = (u8
)sinfo
.signal_avg
;
600 list_for_each_entry(sta
, &local
->sta_list
, list
) {
601 /* Make sure this station belongs to the proper dev */
602 if (sta
->sdata
->dev
!= dev
)
611 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
612 /* Get survey stats for current channel */
616 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
618 channel
= chanctx_conf
->channel
;
627 if (drv_get_survey(local
, q
, &survey
) != 0) {
632 } while (channel
!= survey
.channel
);
636 data
[i
++] = survey
.channel
->center_freq
;
639 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
640 data
[i
++] = (u8
)survey
.noise
;
643 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
644 data
[i
++] = survey
.channel_time
;
647 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
648 data
[i
++] = survey
.channel_time_busy
;
651 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
652 data
[i
++] = survey
.channel_time_ext_busy
;
655 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
656 data
[i
++] = survey
.channel_time_rx
;
659 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
660 data
[i
++] = survey
.channel_time_tx
;
664 mutex_unlock(&local
->sta_mtx
);
666 if (WARN_ON(i
!= STA_STATS_LEN
))
669 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
672 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
673 struct net_device
*dev
,
676 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
677 int sz_sta_stats
= 0;
679 if (sset
== ETH_SS_STATS
) {
680 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
681 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
683 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
686 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
687 int idx
, u8
*mac
, struct station_info
*sinfo
)
689 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
690 struct ieee80211_local
*local
= sdata
->local
;
691 struct sta_info
*sta
;
694 mutex_lock(&local
->sta_mtx
);
696 sta
= sta_info_get_by_idx(sdata
, idx
);
699 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
700 sta_set_sinfo(sta
, sinfo
);
703 mutex_unlock(&local
->sta_mtx
);
708 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
709 int idx
, struct survey_info
*survey
)
711 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
713 return drv_get_survey(local
, idx
, survey
);
716 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
717 u8
*mac
, struct station_info
*sinfo
)
719 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
720 struct ieee80211_local
*local
= sdata
->local
;
721 struct sta_info
*sta
;
724 mutex_lock(&local
->sta_mtx
);
726 sta
= sta_info_get_bss(sdata
, mac
);
729 sta_set_sinfo(sta
, sinfo
);
732 mutex_unlock(&local
->sta_mtx
);
737 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
738 struct ieee80211_channel
*chan
,
739 enum nl80211_channel_type channel_type
)
741 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
742 struct ieee80211_sub_if_data
*sdata
;
745 if (local
->monitor_channel
== chan
&&
746 local
->monitor_channel_type
== channel_type
)
749 mutex_lock(&local
->iflist_mtx
);
750 if (local
->use_chanctx
) {
751 sdata
= rcu_dereference_protected(
752 local
->monitor_sdata
,
753 lockdep_is_held(&local
->iflist_mtx
));
755 ieee80211_vif_release_channel(sdata
);
756 ret
= ieee80211_vif_use_channel(
757 sdata
, chan
, channel_type
,
758 IEEE80211_CHANCTX_EXCLUSIVE
);
760 } else if (local
->open_count
== local
->monitors
) {
761 local
->_oper_channel
= chan
;
762 local
->_oper_channel_type
= channel_type
;
763 ieee80211_hw_config(local
, 0);
767 local
->monitor_channel
= chan
;
768 local
->monitor_channel_type
= channel_type
;
770 mutex_unlock(&local
->iflist_mtx
);
775 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
776 const u8
*resp
, size_t resp_len
)
778 struct probe_resp
*new, *old
;
780 if (!resp
|| !resp_len
)
783 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
785 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
790 memcpy(new->data
, resp
, resp_len
);
792 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
794 kfree_rcu(old
, rcu_head
);
799 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
800 struct cfg80211_beacon_data
*params
)
802 struct beacon_data
*new, *old
;
803 int new_head_len
, new_tail_len
;
805 u32 changed
= BSS_CHANGED_BEACON
;
807 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
809 /* Need to have a beacon head if we don't have one yet */
810 if (!params
->head
&& !old
)
813 /* new or old head? */
815 new_head_len
= params
->head_len
;
817 new_head_len
= old
->head_len
;
819 /* new or old tail? */
820 if (params
->tail
|| !old
)
821 /* params->tail_len will be zero for !params->tail */
822 new_tail_len
= params
->tail_len
;
824 new_tail_len
= old
->tail_len
;
826 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
828 new = kzalloc(size
, GFP_KERNEL
);
832 /* start filling the new info now */
835 * pointers go into the block we allocated,
836 * memory is | beacon_data | head | tail |
838 new->head
= ((u8
*) new) + sizeof(*new);
839 new->tail
= new->head
+ new_head_len
;
840 new->head_len
= new_head_len
;
841 new->tail_len
= new_tail_len
;
845 memcpy(new->head
, params
->head
, new_head_len
);
847 memcpy(new->head
, old
->head
, new_head_len
);
849 /* copy in optional tail */
851 memcpy(new->tail
, params
->tail
, new_tail_len
);
854 memcpy(new->tail
, old
->tail
, new_tail_len
);
856 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
857 params
->probe_resp_len
);
861 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
863 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
866 kfree_rcu(old
, rcu_head
);
871 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
872 struct cfg80211_ap_settings
*params
)
874 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
875 struct beacon_data
*old
;
876 struct ieee80211_sub_if_data
*vlan
;
877 u32 changed
= BSS_CHANGED_BEACON_INT
|
878 BSS_CHANGED_BEACON_ENABLED
|
883 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
887 err
= ieee80211_vif_use_channel(sdata
, params
->channel
,
888 params
->channel_type
,
889 IEEE80211_CHANCTX_SHARED
);
894 * Apply control port protocol, this allows us to
895 * not encrypt dynamic WEP control frames.
897 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
898 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
899 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
900 vlan
->control_port_protocol
=
901 params
->crypto
.control_port_ethertype
;
902 vlan
->control_port_no_encrypt
=
903 params
->crypto
.control_port_no_encrypt
;
906 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
907 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
909 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
910 if (params
->ssid_len
)
911 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
913 sdata
->vif
.bss_conf
.hidden_ssid
=
914 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
916 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
921 ieee80211_bss_info_change_notify(sdata
, changed
);
923 netif_carrier_on(dev
);
924 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
925 netif_carrier_on(vlan
->dev
);
930 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
931 struct cfg80211_beacon_data
*params
)
933 struct ieee80211_sub_if_data
*sdata
;
934 struct beacon_data
*old
;
937 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
939 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
943 err
= ieee80211_assign_beacon(sdata
, params
);
946 ieee80211_bss_info_change_notify(sdata
, err
);
950 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
952 struct ieee80211_sub_if_data
*sdata
, *vlan
;
953 struct beacon_data
*old
;
955 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
957 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
961 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
962 netif_carrier_off(vlan
->dev
);
963 netif_carrier_off(dev
);
965 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
967 kfree_rcu(old
, rcu_head
);
969 sta_info_flush(sdata
->local
, sdata
);
970 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
972 ieee80211_vif_release_channel(sdata
);
977 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
978 struct iapp_layer2_update
{
979 u8 da
[ETH_ALEN
]; /* broadcast */
980 u8 sa
[ETH_ALEN
]; /* STA addr */
988 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
990 struct iapp_layer2_update
*msg
;
993 /* Send Level 2 Update Frame to update forwarding tables in layer 2
996 skb
= dev_alloc_skb(sizeof(*msg
));
999 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
1001 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1002 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1004 eth_broadcast_addr(msg
->da
);
1005 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1006 msg
->len
= htons(6);
1008 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1009 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1010 * F=0 (no poll command; unsolicited frame) */
1011 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1012 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1013 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1015 skb
->dev
= sta
->sdata
->dev
;
1016 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1017 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1021 static int sta_apply_parameters(struct ieee80211_local
*local
,
1022 struct sta_info
*sta
,
1023 struct station_parameters
*params
)
1028 struct ieee80211_supported_band
*sband
;
1029 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1030 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
1033 sband
= local
->hw
.wiphy
->bands
[band
];
1035 mask
= params
->sta_flags_mask
;
1036 set
= params
->sta_flags_set
;
1039 * In mesh mode, we can clear AUTHENTICATED flag but must
1040 * also make ASSOCIATED follow appropriately for the driver
1041 * API. See also below, after AUTHORIZED changes.
1043 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1044 /* cfg80211 should not allow this in non-mesh modes */
1045 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1048 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1049 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1050 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1053 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1059 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1060 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1061 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1062 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1063 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1068 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1069 /* cfg80211 should not allow this in non-mesh modes */
1070 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1073 if (!(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1074 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1075 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1078 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1085 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1086 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1087 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1089 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1092 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1093 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1094 set_sta_flag(sta
, WLAN_STA_WME
);
1095 sta
->sta
.wme
= true;
1097 clear_sta_flag(sta
, WLAN_STA_WME
);
1098 sta
->sta
.wme
= false;
1102 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1103 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1104 set_sta_flag(sta
, WLAN_STA_MFP
);
1106 clear_sta_flag(sta
, WLAN_STA_MFP
);
1109 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1110 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1111 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1113 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1116 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1117 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1118 sta
->sta
.max_sp
= params
->max_sp
;
1122 * cfg80211 validates this (1-2007) and allows setting the AID
1123 * only when creating a new station entry
1126 sta
->sta
.aid
= params
->aid
;
1129 * FIXME: updating the following information is racy when this
1130 * function is called from ieee80211_change_station().
1131 * However, all this information should be static so
1132 * maybe we should just reject attemps to change it.
1135 if (params
->listen_interval
>= 0)
1136 sta
->listen_interval
= params
->listen_interval
;
1138 if (params
->supported_rates
) {
1141 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1142 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1143 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1144 if (sband
->bitrates
[j
].bitrate
== rate
)
1148 sta
->sta
.supp_rates
[band
] = rates
;
1151 if (params
->ht_capa
)
1152 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1156 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1157 #ifdef CONFIG_MAC80211_MESH
1158 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
1159 switch (params
->plink_state
) {
1160 case NL80211_PLINK_LISTEN
:
1161 case NL80211_PLINK_ESTAB
:
1162 case NL80211_PLINK_BLOCKED
:
1163 sta
->plink_state
= params
->plink_state
;
1170 switch (params
->plink_action
) {
1171 case PLINK_ACTION_OPEN
:
1172 mesh_plink_open(sta
);
1174 case PLINK_ACTION_BLOCK
:
1175 mesh_plink_block(sta
);
1184 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1185 u8
*mac
, struct station_parameters
*params
)
1187 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1188 struct sta_info
*sta
;
1189 struct ieee80211_sub_if_data
*sdata
;
1194 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1196 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1197 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1200 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1202 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1205 if (is_multicast_ether_addr(mac
))
1208 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1212 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1213 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1215 err
= sta_apply_parameters(local
, sta
, params
);
1217 sta_info_free(local
, sta
);
1222 * for TDLS, rate control should be initialized only when supported
1225 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1226 rate_control_rate_init(sta
);
1228 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1229 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1231 err
= sta_info_insert_rcu(sta
);
1238 ieee80211_send_layer2_update(sta
);
1245 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1248 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1249 struct ieee80211_sub_if_data
*sdata
;
1251 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1254 return sta_info_destroy_addr_bss(sdata
, mac
);
1256 sta_info_flush(local
, sdata
);
1260 static int ieee80211_change_station(struct wiphy
*wiphy
,
1261 struct net_device
*dev
,
1263 struct station_parameters
*params
)
1265 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1266 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1267 struct sta_info
*sta
;
1268 struct ieee80211_sub_if_data
*vlansdata
;
1271 mutex_lock(&local
->sta_mtx
);
1273 sta
= sta_info_get_bss(sdata
, mac
);
1275 mutex_unlock(&local
->sta_mtx
);
1279 /* in station mode, supported rates are only valid with TDLS */
1280 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1281 params
->supported_rates
&&
1282 !test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1283 mutex_unlock(&local
->sta_mtx
);
1287 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1288 bool prev_4addr
= false;
1289 bool new_4addr
= false;
1291 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1293 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1294 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
1295 mutex_unlock(&local
->sta_mtx
);
1299 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1300 if (vlansdata
->u
.vlan
.sta
) {
1301 mutex_unlock(&local
->sta_mtx
);
1305 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1309 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1310 sta
->sdata
->u
.vlan
.sta
) {
1311 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1315 sta
->sdata
= vlansdata
;
1317 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1318 prev_4addr
!= new_4addr
) {
1320 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1322 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1325 ieee80211_send_layer2_update(sta
);
1328 err
= sta_apply_parameters(local
, sta
, params
);
1330 mutex_unlock(&local
->sta_mtx
);
1334 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
1335 rate_control_rate_init(sta
);
1337 mutex_unlock(&local
->sta_mtx
);
1339 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1340 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1341 ieee80211_recalc_ps(local
, -1);
1342 ieee80211_recalc_ps_vif(sdata
);
1347 #ifdef CONFIG_MAC80211_MESH
1348 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1349 u8
*dst
, u8
*next_hop
)
1351 struct ieee80211_sub_if_data
*sdata
;
1352 struct mesh_path
*mpath
;
1353 struct sta_info
*sta
;
1356 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1359 sta
= sta_info_get(sdata
, next_hop
);
1365 err
= mesh_path_add(dst
, sdata
);
1371 mpath
= mesh_path_lookup(dst
, sdata
);
1376 mesh_path_fix_nexthop(mpath
, sta
);
1382 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1385 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1388 return mesh_path_del(dst
, sdata
);
1390 mesh_path_flush_by_iface(sdata
);
1394 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1395 struct net_device
*dev
,
1396 u8
*dst
, u8
*next_hop
)
1398 struct ieee80211_sub_if_data
*sdata
;
1399 struct mesh_path
*mpath
;
1400 struct sta_info
*sta
;
1402 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1406 sta
= sta_info_get(sdata
, next_hop
);
1412 mpath
= mesh_path_lookup(dst
, sdata
);
1418 mesh_path_fix_nexthop(mpath
, sta
);
1424 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1425 struct mpath_info
*pinfo
)
1427 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1430 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1432 memset(next_hop
, 0, ETH_ALEN
);
1434 memset(pinfo
, 0, sizeof(*pinfo
));
1436 pinfo
->generation
= mesh_paths_generation
;
1438 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1441 MPATH_INFO_EXPTIME
|
1442 MPATH_INFO_DISCOVERY_TIMEOUT
|
1443 MPATH_INFO_DISCOVERY_RETRIES
|
1446 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1447 pinfo
->sn
= mpath
->sn
;
1448 pinfo
->metric
= mpath
->metric
;
1449 if (time_before(jiffies
, mpath
->exp_time
))
1450 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1451 pinfo
->discovery_timeout
=
1452 jiffies_to_msecs(mpath
->discovery_timeout
);
1453 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1454 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1455 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1456 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1457 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1458 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1459 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1460 if (mpath
->flags
& MESH_PATH_FIXED
)
1461 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1462 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1463 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1466 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1467 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1470 struct ieee80211_sub_if_data
*sdata
;
1471 struct mesh_path
*mpath
;
1473 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1476 mpath
= mesh_path_lookup(dst
, sdata
);
1481 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1482 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1487 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1488 int idx
, u8
*dst
, u8
*next_hop
,
1489 struct mpath_info
*pinfo
)
1491 struct ieee80211_sub_if_data
*sdata
;
1492 struct mesh_path
*mpath
;
1494 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1497 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1502 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1503 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1508 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1509 struct net_device
*dev
,
1510 struct mesh_config
*conf
)
1512 struct ieee80211_sub_if_data
*sdata
;
1513 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1515 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1519 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1521 return (mask
>> (parm
-1)) & 0x1;
1524 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1525 const struct mesh_setup
*setup
)
1529 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1530 struct ieee80211_sub_if_data
, u
.mesh
);
1532 /* allocate information elements */
1536 if (setup
->ie_len
) {
1537 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1542 ifmsh
->ie_len
= setup
->ie_len
;
1546 /* now copy the rest of the setup parameters */
1547 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1548 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1549 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1550 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1551 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1552 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1553 if (setup
->is_authenticated
)
1554 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1555 if (setup
->is_secure
)
1556 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1558 /* mcast rate setting in Mesh Node */
1559 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1560 sizeof(setup
->mcast_rate
));
1565 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1566 struct net_device
*dev
, u32 mask
,
1567 const struct mesh_config
*nconf
)
1569 struct mesh_config
*conf
;
1570 struct ieee80211_sub_if_data
*sdata
;
1571 struct ieee80211_if_mesh
*ifmsh
;
1573 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1574 ifmsh
= &sdata
->u
.mesh
;
1576 /* Set the config options which we are interested in setting */
1577 conf
= &(sdata
->u
.mesh
.mshcfg
);
1578 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1579 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1580 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1581 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1582 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1583 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1584 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1585 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1586 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1587 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1588 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1589 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1590 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1591 conf
->element_ttl
= nconf
->element_ttl
;
1592 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1593 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1594 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1595 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1596 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1597 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1598 conf
->dot11MeshHWMPmaxPREQretries
=
1599 nconf
->dot11MeshHWMPmaxPREQretries
;
1600 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1601 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1602 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1603 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1604 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1605 conf
->dot11MeshHWMPactivePathTimeout
=
1606 nconf
->dot11MeshHWMPactivePathTimeout
;
1607 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1608 conf
->dot11MeshHWMPpreqMinInterval
=
1609 nconf
->dot11MeshHWMPpreqMinInterval
;
1610 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1611 conf
->dot11MeshHWMPperrMinInterval
=
1612 nconf
->dot11MeshHWMPperrMinInterval
;
1613 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1615 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1616 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1617 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1618 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1619 ieee80211_mesh_root_setup(ifmsh
);
1621 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1622 /* our current gate announcement implementation rides on root
1623 * announcements, so require this ifmsh to also be a root node
1625 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1626 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1627 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1628 ieee80211_mesh_root_setup(ifmsh
);
1630 conf
->dot11MeshGateAnnouncementProtocol
=
1631 nconf
->dot11MeshGateAnnouncementProtocol
;
1633 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1634 conf
->dot11MeshHWMPRannInterval
=
1635 nconf
->dot11MeshHWMPRannInterval
;
1636 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1637 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1638 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1639 /* our RSSI threshold implementation is supported only for
1640 * devices that report signal in dBm.
1642 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1644 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1646 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1647 conf
->ht_opmode
= nconf
->ht_opmode
;
1648 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1649 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1651 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1652 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1653 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1654 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1655 conf
->dot11MeshHWMProotInterval
=
1656 nconf
->dot11MeshHWMProotInterval
;
1657 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1658 conf
->dot11MeshHWMPconfirmationInterval
=
1659 nconf
->dot11MeshHWMPconfirmationInterval
;
1663 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1664 const struct mesh_config
*conf
,
1665 const struct mesh_setup
*setup
)
1667 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1668 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1671 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1672 err
= copy_mesh_setup(ifmsh
, setup
);
1676 err
= ieee80211_vif_use_channel(sdata
, setup
->channel
,
1677 setup
->channel_type
,
1678 IEEE80211_CHANCTX_SHARED
);
1682 ieee80211_start_mesh(sdata
);
1687 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1689 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1691 ieee80211_stop_mesh(sdata
);
1692 ieee80211_vif_release_channel(sdata
);
1698 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1699 struct net_device
*dev
,
1700 struct bss_parameters
*params
)
1702 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1703 enum ieee80211_band band
;
1706 if (!rtnl_dereference(sdata
->u
.ap
.beacon
))
1709 band
= ieee80211_get_sdata_band(sdata
);
1711 if (params
->use_cts_prot
>= 0) {
1712 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1713 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1715 if (params
->use_short_preamble
>= 0) {
1716 sdata
->vif
.bss_conf
.use_short_preamble
=
1717 params
->use_short_preamble
;
1718 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1721 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1722 band
== IEEE80211_BAND_5GHZ
) {
1723 sdata
->vif
.bss_conf
.use_short_slot
= true;
1724 changed
|= BSS_CHANGED_ERP_SLOT
;
1727 if (params
->use_short_slot_time
>= 0) {
1728 sdata
->vif
.bss_conf
.use_short_slot
=
1729 params
->use_short_slot_time
;
1730 changed
|= BSS_CHANGED_ERP_SLOT
;
1733 if (params
->basic_rates
) {
1736 struct ieee80211_supported_band
*sband
= wiphy
->bands
[band
];
1738 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1739 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1740 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1741 if (sband
->bitrates
[j
].bitrate
== rate
)
1745 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1746 changed
|= BSS_CHANGED_BASIC_RATES
;
1749 if (params
->ap_isolate
>= 0) {
1750 if (params
->ap_isolate
)
1751 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1753 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1756 if (params
->ht_opmode
>= 0) {
1757 sdata
->vif
.bss_conf
.ht_operation_mode
=
1758 (u16
) params
->ht_opmode
;
1759 changed
|= BSS_CHANGED_HT
;
1762 ieee80211_bss_info_change_notify(sdata
, changed
);
1767 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1768 struct net_device
*dev
,
1769 struct ieee80211_txq_params
*params
)
1771 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1772 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1773 struct ieee80211_tx_queue_params p
;
1775 if (!local
->ops
->conf_tx
)
1778 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1781 memset(&p
, 0, sizeof(p
));
1782 p
.aifs
= params
->aifs
;
1783 p
.cw_max
= params
->cwmax
;
1784 p
.cw_min
= params
->cwmin
;
1785 p
.txop
= params
->txop
;
1788 * Setting tx queue params disables u-apsd because it's only
1789 * called in master mode.
1793 sdata
->tx_conf
[params
->ac
] = p
;
1794 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1795 wiphy_debug(local
->hw
.wiphy
,
1796 "failed to set TX queue parameters for AC %d\n",
1801 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1807 static int ieee80211_suspend(struct wiphy
*wiphy
,
1808 struct cfg80211_wowlan
*wowlan
)
1810 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1813 static int ieee80211_resume(struct wiphy
*wiphy
)
1815 return __ieee80211_resume(wiphy_priv(wiphy
));
1818 #define ieee80211_suspend NULL
1819 #define ieee80211_resume NULL
1822 static int ieee80211_scan(struct wiphy
*wiphy
,
1823 struct cfg80211_scan_request
*req
)
1825 struct ieee80211_sub_if_data
*sdata
;
1827 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1829 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1830 case NL80211_IFTYPE_STATION
:
1831 case NL80211_IFTYPE_ADHOC
:
1832 case NL80211_IFTYPE_MESH_POINT
:
1833 case NL80211_IFTYPE_P2P_CLIENT
:
1834 case NL80211_IFTYPE_P2P_DEVICE
:
1836 case NL80211_IFTYPE_P2P_GO
:
1837 if (sdata
->local
->ops
->hw_scan
)
1840 * FIXME: implement NoA while scanning in software,
1841 * for now fall through to allow scanning only when
1842 * beaconing hasn't been configured yet
1844 case NL80211_IFTYPE_AP
:
1845 if (sdata
->u
.ap
.beacon
)
1852 return ieee80211_request_scan(sdata
, req
);
1856 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1857 struct net_device
*dev
,
1858 struct cfg80211_sched_scan_request
*req
)
1860 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1862 if (!sdata
->local
->ops
->sched_scan_start
)
1865 return ieee80211_request_sched_scan_start(sdata
, req
);
1869 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1871 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1873 if (!sdata
->local
->ops
->sched_scan_stop
)
1876 return ieee80211_request_sched_scan_stop(sdata
);
1879 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1880 struct cfg80211_auth_request
*req
)
1882 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1885 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1886 struct cfg80211_assoc_request
*req
)
1888 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1891 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1892 struct cfg80211_deauth_request
*req
)
1894 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1897 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1898 struct cfg80211_disassoc_request
*req
)
1900 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1903 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1904 struct cfg80211_ibss_params
*params
)
1906 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
1909 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1911 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
1914 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1916 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1919 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1920 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1926 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1927 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1933 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1934 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1940 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1941 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1942 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1943 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1945 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1946 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1951 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1952 enum nl80211_tx_power_setting type
, int mbm
)
1954 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1955 struct ieee80211_channel
*chan
= local
->_oper_channel
;
1959 if (local
->use_chanctx
)
1963 case NL80211_TX_POWER_AUTOMATIC
:
1964 local
->user_power_level
= -1;
1966 case NL80211_TX_POWER_LIMITED
:
1967 if (mbm
< 0 || (mbm
% 100))
1969 local
->user_power_level
= MBM_TO_DBM(mbm
);
1971 case NL80211_TX_POWER_FIXED
:
1972 if (mbm
< 0 || (mbm
% 100))
1974 /* TODO: move to cfg80211 when it knows the channel */
1975 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1977 local
->user_power_level
= MBM_TO_DBM(mbm
);
1981 ieee80211_hw_config(local
, changes
);
1986 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1988 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1990 *dbm
= local
->hw
.conf
.power_level
;
1995 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1998 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2000 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2005 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2007 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2009 drv_rfkill_poll(local
);
2012 #ifdef CONFIG_NL80211_TESTMODE
2013 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
2015 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2017 if (!local
->ops
->testmode_cmd
)
2020 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
2023 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2024 struct sk_buff
*skb
,
2025 struct netlink_callback
*cb
,
2026 void *data
, int len
)
2028 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2030 if (!local
->ops
->testmode_dump
)
2033 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2037 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
2038 enum ieee80211_smps_mode smps_mode
)
2041 enum ieee80211_smps_mode old_req
;
2044 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
2046 old_req
= sdata
->u
.mgd
.req_smps
;
2047 sdata
->u
.mgd
.req_smps
= smps_mode
;
2049 if (old_req
== smps_mode
&&
2050 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2054 * If not associated, or current association is not an HT
2055 * association, there's no need to send an action frame.
2057 if (!sdata
->u
.mgd
.associated
||
2058 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
2059 ieee80211_recalc_smps(sdata
->local
);
2063 ap
= sdata
->u
.mgd
.associated
->bssid
;
2065 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2066 if (sdata
->u
.mgd
.powersave
)
2067 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2069 smps_mode
= IEEE80211_SMPS_OFF
;
2072 /* send SM PS frame to AP */
2073 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2076 sdata
->u
.mgd
.req_smps
= old_req
;
2081 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2082 bool enabled
, int timeout
)
2084 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2085 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2087 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2090 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2093 if (enabled
== sdata
->u
.mgd
.powersave
&&
2094 timeout
== local
->dynamic_ps_forced_timeout
)
2097 sdata
->u
.mgd
.powersave
= enabled
;
2098 local
->dynamic_ps_forced_timeout
= timeout
;
2100 /* no change, but if automatic follow powersave */
2101 mutex_lock(&sdata
->u
.mgd
.mtx
);
2102 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2103 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2105 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2106 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2108 ieee80211_recalc_ps(local
, -1);
2109 ieee80211_recalc_ps_vif(sdata
);
2114 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2115 struct net_device
*dev
,
2116 s32 rssi_thold
, u32 rssi_hyst
)
2118 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2119 struct ieee80211_vif
*vif
= &sdata
->vif
;
2120 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2122 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2123 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2126 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2127 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2129 /* tell the driver upon association, unless already associated */
2130 if (sdata
->u
.mgd
.associated
&&
2131 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2132 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2137 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2138 struct net_device
*dev
,
2140 const struct cfg80211_bitrate_mask
*mask
)
2142 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2143 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2146 if (!ieee80211_sdata_running(sdata
))
2149 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2150 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2155 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2156 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2157 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2158 sizeof(mask
->control
[i
].mcs
));
2164 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2165 struct ieee80211_sub_if_data
*sdata
,
2166 struct ieee80211_channel
*channel
,
2167 enum nl80211_channel_type channel_type
,
2168 unsigned int duration
, u64
*cookie
,
2169 struct sk_buff
*txskb
)
2171 struct ieee80211_roc_work
*roc
, *tmp
;
2172 bool queued
= false;
2175 lockdep_assert_held(&local
->mtx
);
2177 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2180 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2184 roc
->chan
= channel
;
2185 roc
->chan_type
= channel_type
;
2186 roc
->duration
= duration
;
2187 roc
->req_duration
= duration
;
2189 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2191 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2192 INIT_LIST_HEAD(&roc
->dependents
);
2194 /* if there's one pending or we're scanning, queue this one */
2195 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2196 goto out_check_combine
;
2198 /* if not HW assist, just queue & schedule work */
2199 if (!local
->ops
->remain_on_channel
) {
2200 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2204 /* otherwise actually kick it off here (for error handling) */
2207 * If the duration is zero, then the driver
2208 * wouldn't actually do anything. Set it to
2211 * TODO: cancel the off-channel operation
2212 * when we get the SKB's TX status and
2213 * the wait time was zero before.
2218 ret
= drv_remain_on_channel(local
, channel
, channel_type
, duration
);
2224 roc
->started
= true;
2228 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2229 if (tmp
->chan
!= channel
|| tmp
->chan_type
!= channel_type
)
2233 * Extend this ROC if possible:
2235 * If it hasn't started yet, just increase the duration
2236 * and add the new one to the list of dependents.
2238 if (!tmp
->started
) {
2239 list_add_tail(&roc
->list
, &tmp
->dependents
);
2240 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2245 /* If it has already started, it's more difficult ... */
2246 if (local
->ops
->remain_on_channel
) {
2247 unsigned long j
= jiffies
;
2250 * In the offloaded ROC case, if it hasn't begun, add
2251 * this new one to the dependent list to be handled
2252 * when the the master one begins. If it has begun,
2253 * check that there's still a minimum time left and
2254 * if so, start this one, transmitting the frame, but
2255 * add it to the list directly after this one with a
2256 * a reduced time so we'll ask the driver to execute
2257 * it right after finishing the previous one, in the
2258 * hope that it'll also be executed right afterwards,
2259 * effectively extending the old one.
2260 * If there's no minimum time left, just add it to the
2263 if (!tmp
->hw_begun
) {
2264 list_add_tail(&roc
->list
, &tmp
->dependents
);
2269 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2270 tmp
->hw_start_time
+
2271 msecs_to_jiffies(tmp
->duration
))) {
2274 ieee80211_handle_roc_started(roc
);
2276 new_dur
= roc
->duration
-
2277 jiffies_to_msecs(tmp
->hw_start_time
+
2283 /* add right after tmp */
2284 list_add(&roc
->list
, &tmp
->list
);
2286 list_add_tail(&roc
->list
,
2291 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2292 unsigned long new_end
;
2295 * In the software ROC case, cancel the timer, if
2296 * that fails then the finish work is already
2297 * queued/pending and thus we queue the new ROC
2298 * normally, if that succeeds then we can extend
2299 * the timer duration and TX the frame (if any.)
2302 list_add_tail(&roc
->list
, &tmp
->dependents
);
2305 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2307 /* ok, it was started & we canceled timer */
2308 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2309 mod_timer(&tmp
->work
.timer
, new_end
);
2311 add_timer(&tmp
->work
.timer
);
2313 ieee80211_handle_roc_started(roc
);
2320 list_add_tail(&roc
->list
, &local
->roc_list
);
2323 * cookie is either the roc (for normal roc)
2324 * or the SKB (for mgmt TX)
2327 *cookie
= (unsigned long)txskb
;
2329 *cookie
= (unsigned long)roc
;
2334 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2335 struct wireless_dev
*wdev
,
2336 struct ieee80211_channel
*chan
,
2337 enum nl80211_channel_type channel_type
,
2338 unsigned int duration
,
2341 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2342 struct ieee80211_local
*local
= sdata
->local
;
2345 mutex_lock(&local
->mtx
);
2346 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2347 duration
, cookie
, NULL
);
2348 mutex_unlock(&local
->mtx
);
2353 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2354 u64 cookie
, bool mgmt_tx
)
2356 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2359 mutex_lock(&local
->mtx
);
2360 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2361 struct ieee80211_roc_work
*dep
, *tmp2
;
2363 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2364 if (!mgmt_tx
&& (unsigned long)dep
!= cookie
)
2366 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2368 /* found dependent item -- just remove it */
2369 list_del(&dep
->list
);
2370 mutex_unlock(&local
->mtx
);
2372 ieee80211_roc_notify_destroy(dep
);
2376 if (!mgmt_tx
&& (unsigned long)roc
!= cookie
)
2378 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2386 mutex_unlock(&local
->mtx
);
2391 * We found the item to cancel, so do that. Note that it
2392 * may have dependents, which we also cancel (and send
2393 * the expired signal for.) Not doing so would be quite
2394 * tricky here, but we may need to fix it later.
2397 if (local
->ops
->remain_on_channel
) {
2398 if (found
->started
) {
2399 ret
= drv_cancel_remain_on_channel(local
);
2400 if (WARN_ON_ONCE(ret
)) {
2401 mutex_unlock(&local
->mtx
);
2406 list_del(&found
->list
);
2409 ieee80211_start_next_roc(local
);
2410 mutex_unlock(&local
->mtx
);
2412 ieee80211_roc_notify_destroy(found
);
2414 /* work may be pending so use it all the time */
2415 found
->abort
= true;
2416 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2418 mutex_unlock(&local
->mtx
);
2420 /* work will clean up etc */
2421 flush_delayed_work(&found
->work
);
2427 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2428 struct wireless_dev
*wdev
,
2431 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2432 struct ieee80211_local
*local
= sdata
->local
;
2434 return ieee80211_cancel_roc(local
, cookie
, false);
2437 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2438 struct ieee80211_channel
*chan
, bool offchan
,
2439 enum nl80211_channel_type channel_type
,
2440 bool channel_type_valid
, unsigned int wait
,
2441 const u8
*buf
, size_t len
, bool no_cck
,
2442 bool dont_wait_for_ack
, u64
*cookie
)
2444 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2445 struct ieee80211_local
*local
= sdata
->local
;
2446 struct sk_buff
*skb
;
2447 struct sta_info
*sta
;
2448 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2449 bool need_offchan
= false;
2453 if (dont_wait_for_ack
)
2454 flags
= IEEE80211_TX_CTL_NO_ACK
;
2456 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2457 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2460 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2462 switch (sdata
->vif
.type
) {
2463 case NL80211_IFTYPE_ADHOC
:
2464 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2465 need_offchan
= true;
2467 #ifdef CONFIG_MAC80211_MESH
2468 case NL80211_IFTYPE_MESH_POINT
:
2469 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
2470 !sdata
->u
.mesh
.mesh_id_len
)
2471 need_offchan
= true;
2474 case NL80211_IFTYPE_AP
:
2475 case NL80211_IFTYPE_AP_VLAN
:
2476 case NL80211_IFTYPE_P2P_GO
:
2477 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
2478 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
2479 !rcu_access_pointer(sdata
->bss
->beacon
))
2480 need_offchan
= true;
2481 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2482 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2485 sta
= sta_info_get(sdata
, mgmt
->da
);
2490 case NL80211_IFTYPE_STATION
:
2491 case NL80211_IFTYPE_P2P_CLIENT
:
2492 if (!sdata
->u
.mgd
.associated
)
2493 need_offchan
= true;
2495 case NL80211_IFTYPE_P2P_DEVICE
:
2496 need_offchan
= true;
2502 mutex_lock(&local
->mtx
);
2504 /* Check if the operating channel is the requested channel */
2505 if (!need_offchan
) {
2506 struct ieee80211_chanctx_conf
*chanctx_conf
;
2509 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
2512 need_offchan
= chan
!= chanctx_conf
->channel
;
2513 if (channel_type_valid
&&
2514 channel_type
!= chanctx_conf
->channel_type
)
2515 need_offchan
= true;
2517 need_offchan
= true;
2522 if (need_offchan
&& !offchan
) {
2527 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2532 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2534 memcpy(skb_put(skb
, len
), buf
, len
);
2536 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2538 skb
->dev
= sdata
->dev
;
2540 if (!need_offchan
) {
2541 *cookie
= (unsigned long) skb
;
2542 ieee80211_tx_skb(sdata
, skb
);
2547 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2548 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2549 IEEE80211_SKB_CB(skb
)->hw_queue
=
2550 local
->hw
.offchannel_tx_hw_queue
;
2552 /* This will handle all kinds of coalescing and immediate TX */
2553 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2558 mutex_unlock(&local
->mtx
);
2562 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2563 struct wireless_dev
*wdev
,
2566 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2568 return ieee80211_cancel_roc(local
, cookie
, true);
2571 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2572 struct wireless_dev
*wdev
,
2573 u16 frame_type
, bool reg
)
2575 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2576 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2578 switch (frame_type
) {
2579 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
:
2580 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
2581 struct ieee80211_if_ibss
*ifibss
= &sdata
->u
.ibss
;
2584 ifibss
->auth_frame_registrations
++;
2586 ifibss
->auth_frame_registrations
--;
2589 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
2591 local
->probe_req_reg
++;
2593 local
->probe_req_reg
--;
2595 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2602 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2604 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2609 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2612 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2614 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2616 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2619 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2621 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2623 return drv_set_ringparam(local
, tx
, rx
);
2626 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2627 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2629 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2631 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2634 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2635 struct net_device
*dev
,
2636 struct cfg80211_gtk_rekey_data
*data
)
2638 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2639 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2641 if (!local
->ops
->set_rekey_data
)
2644 drv_set_rekey_data(local
, sdata
, data
);
2649 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2651 u8
*pos
= (void *)skb_put(skb
, 7);
2653 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2654 *pos
++ = 5; /* len */
2659 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2662 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2664 struct ieee80211_local
*local
= sdata
->local
;
2668 if (ieee80211_get_sdata_band(sdata
) != IEEE80211_BAND_2GHZ
)
2671 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2672 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2673 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2674 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2679 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2680 u8
*peer
, u8
*bssid
)
2682 struct ieee80211_tdls_lnkie
*lnkid
;
2684 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2686 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2687 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2689 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2690 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2691 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2695 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2696 u8
*peer
, u8 action_code
, u8 dialog_token
,
2697 u16 status_code
, struct sk_buff
*skb
)
2699 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2700 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
2701 struct ieee80211_tdls_data
*tf
;
2703 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2705 memcpy(tf
->da
, peer
, ETH_ALEN
);
2706 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2707 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2708 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2710 switch (action_code
) {
2711 case WLAN_TDLS_SETUP_REQUEST
:
2712 tf
->category
= WLAN_CATEGORY_TDLS
;
2713 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2715 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2716 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2717 tf
->u
.setup_req
.capability
=
2718 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2720 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
2721 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
2722 ieee80211_tdls_add_ext_capab(skb
);
2724 case WLAN_TDLS_SETUP_RESPONSE
:
2725 tf
->category
= WLAN_CATEGORY_TDLS
;
2726 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2728 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2729 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2730 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2731 tf
->u
.setup_resp
.capability
=
2732 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2734 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
2735 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
2736 ieee80211_tdls_add_ext_capab(skb
);
2738 case WLAN_TDLS_SETUP_CONFIRM
:
2739 tf
->category
= WLAN_CATEGORY_TDLS
;
2740 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2742 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2743 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2744 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2746 case WLAN_TDLS_TEARDOWN
:
2747 tf
->category
= WLAN_CATEGORY_TDLS
;
2748 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2750 skb_put(skb
, sizeof(tf
->u
.teardown
));
2751 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2753 case WLAN_TDLS_DISCOVERY_REQUEST
:
2754 tf
->category
= WLAN_CATEGORY_TDLS
;
2755 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2757 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2758 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2768 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2769 u8
*peer
, u8 action_code
, u8 dialog_token
,
2770 u16 status_code
, struct sk_buff
*skb
)
2772 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2773 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
2774 struct ieee80211_mgmt
*mgmt
;
2776 mgmt
= (void *)skb_put(skb
, 24);
2777 memset(mgmt
, 0, 24);
2778 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2779 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2780 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2782 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2783 IEEE80211_STYPE_ACTION
);
2785 switch (action_code
) {
2786 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2787 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2788 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2789 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2790 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2791 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2793 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2794 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2796 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
2797 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
2798 ieee80211_tdls_add_ext_capab(skb
);
2807 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2808 u8
*peer
, u8 action_code
, u8 dialog_token
,
2809 u16 status_code
, const u8
*extra_ies
,
2810 size_t extra_ies_len
)
2812 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2813 struct ieee80211_local
*local
= sdata
->local
;
2814 struct ieee80211_tx_info
*info
;
2815 struct sk_buff
*skb
= NULL
;
2819 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2822 /* make sure we are in managed mode, and associated */
2823 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2824 !sdata
->u
.mgd
.associated
)
2827 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
2830 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2831 max(sizeof(struct ieee80211_mgmt
),
2832 sizeof(struct ieee80211_tdls_data
)) +
2833 50 + /* supported rates */
2836 sizeof(struct ieee80211_tdls_lnkie
));
2840 info
= IEEE80211_SKB_CB(skb
);
2841 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2843 switch (action_code
) {
2844 case WLAN_TDLS_SETUP_REQUEST
:
2845 case WLAN_TDLS_SETUP_RESPONSE
:
2846 case WLAN_TDLS_SETUP_CONFIRM
:
2847 case WLAN_TDLS_TEARDOWN
:
2848 case WLAN_TDLS_DISCOVERY_REQUEST
:
2849 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2850 action_code
, dialog_token
,
2852 send_direct
= false;
2854 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2855 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2856 dialog_token
, status_code
,
2869 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2871 /* the TDLS link IE is always added last */
2872 switch (action_code
) {
2873 case WLAN_TDLS_SETUP_REQUEST
:
2874 case WLAN_TDLS_SETUP_CONFIRM
:
2875 case WLAN_TDLS_TEARDOWN
:
2876 case WLAN_TDLS_DISCOVERY_REQUEST
:
2877 /* we are the initiator */
2878 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2879 sdata
->u
.mgd
.bssid
);
2881 case WLAN_TDLS_SETUP_RESPONSE
:
2882 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2883 /* we are the responder */
2884 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2885 sdata
->u
.mgd
.bssid
);
2893 ieee80211_tx_skb(sdata
, skb
);
2898 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2899 * we should default to AC_VI.
2901 switch (action_code
) {
2902 case WLAN_TDLS_SETUP_REQUEST
:
2903 case WLAN_TDLS_SETUP_RESPONSE
:
2904 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
2908 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
2913 /* disable bottom halves when entering the Tx path */
2915 ret
= ieee80211_subif_start_xmit(skb
, dev
);
2925 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2926 u8
*peer
, enum nl80211_tdls_operation oper
)
2928 struct sta_info
*sta
;
2929 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2931 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2934 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2937 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
2940 case NL80211_TDLS_ENABLE_LINK
:
2942 sta
= sta_info_get(sdata
, peer
);
2948 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
2951 case NL80211_TDLS_DISABLE_LINK
:
2952 return sta_info_destroy_addr(sdata
, peer
);
2953 case NL80211_TDLS_TEARDOWN
:
2954 case NL80211_TDLS_SETUP
:
2955 case NL80211_TDLS_DISCOVERY_REQ
:
2956 /* We don't support in-driver setup/teardown/discovery */
2965 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
2966 const u8
*peer
, u64
*cookie
)
2968 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2969 struct ieee80211_local
*local
= sdata
->local
;
2970 struct ieee80211_qos_hdr
*nullfunc
;
2971 struct sk_buff
*skb
;
2972 int size
= sizeof(*nullfunc
);
2975 struct ieee80211_tx_info
*info
;
2976 struct sta_info
*sta
;
2977 struct ieee80211_chanctx_conf
*chanctx_conf
;
2978 enum ieee80211_band band
;
2981 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
2982 if (WARN_ON(!chanctx_conf
)) {
2986 band
= chanctx_conf
->channel
->band
;
2987 sta
= sta_info_get(sdata
, peer
);
2989 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
2996 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2997 IEEE80211_STYPE_QOS_NULLFUNC
|
2998 IEEE80211_FCTL_FROMDS
);
3001 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3002 IEEE80211_STYPE_NULLFUNC
|
3003 IEEE80211_FCTL_FROMDS
);
3006 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3014 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3016 nullfunc
= (void *) skb_put(skb
, size
);
3017 nullfunc
->frame_control
= fc
;
3018 nullfunc
->duration_id
= 0;
3019 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3020 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3021 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3022 nullfunc
->seq_ctrl
= 0;
3024 info
= IEEE80211_SKB_CB(skb
);
3026 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3027 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3029 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3032 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3035 ieee80211_xmit(sdata
, skb
, band
);
3039 *cookie
= (unsigned long) skb
;
3043 static struct ieee80211_channel
*
3044 ieee80211_cfg_get_channel(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3045 enum nl80211_channel_type
*type
)
3047 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3048 struct ieee80211_chanctx_conf
*chanctx_conf
;
3049 struct ieee80211_channel
*chan
= NULL
;
3052 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3054 *type
= chanctx_conf
->channel_type
;
3055 chan
= chanctx_conf
->channel
;
3063 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3065 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3069 struct cfg80211_ops mac80211_config_ops
= {
3070 .add_virtual_intf
= ieee80211_add_iface
,
3071 .del_virtual_intf
= ieee80211_del_iface
,
3072 .change_virtual_intf
= ieee80211_change_iface
,
3073 .start_p2p_device
= ieee80211_start_p2p_device
,
3074 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3075 .add_key
= ieee80211_add_key
,
3076 .del_key
= ieee80211_del_key
,
3077 .get_key
= ieee80211_get_key
,
3078 .set_default_key
= ieee80211_config_default_key
,
3079 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3080 .start_ap
= ieee80211_start_ap
,
3081 .change_beacon
= ieee80211_change_beacon
,
3082 .stop_ap
= ieee80211_stop_ap
,
3083 .add_station
= ieee80211_add_station
,
3084 .del_station
= ieee80211_del_station
,
3085 .change_station
= ieee80211_change_station
,
3086 .get_station
= ieee80211_get_station
,
3087 .dump_station
= ieee80211_dump_station
,
3088 .dump_survey
= ieee80211_dump_survey
,
3089 #ifdef CONFIG_MAC80211_MESH
3090 .add_mpath
= ieee80211_add_mpath
,
3091 .del_mpath
= ieee80211_del_mpath
,
3092 .change_mpath
= ieee80211_change_mpath
,
3093 .get_mpath
= ieee80211_get_mpath
,
3094 .dump_mpath
= ieee80211_dump_mpath
,
3095 .update_mesh_config
= ieee80211_update_mesh_config
,
3096 .get_mesh_config
= ieee80211_get_mesh_config
,
3097 .join_mesh
= ieee80211_join_mesh
,
3098 .leave_mesh
= ieee80211_leave_mesh
,
3100 .change_bss
= ieee80211_change_bss
,
3101 .set_txq_params
= ieee80211_set_txq_params
,
3102 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3103 .suspend
= ieee80211_suspend
,
3104 .resume
= ieee80211_resume
,
3105 .scan
= ieee80211_scan
,
3106 .sched_scan_start
= ieee80211_sched_scan_start
,
3107 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3108 .auth
= ieee80211_auth
,
3109 .assoc
= ieee80211_assoc
,
3110 .deauth
= ieee80211_deauth
,
3111 .disassoc
= ieee80211_disassoc
,
3112 .join_ibss
= ieee80211_join_ibss
,
3113 .leave_ibss
= ieee80211_leave_ibss
,
3114 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3115 .set_tx_power
= ieee80211_set_tx_power
,
3116 .get_tx_power
= ieee80211_get_tx_power
,
3117 .set_wds_peer
= ieee80211_set_wds_peer
,
3118 .rfkill_poll
= ieee80211_rfkill_poll
,
3119 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3120 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3121 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3122 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3123 .remain_on_channel
= ieee80211_remain_on_channel
,
3124 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3125 .mgmt_tx
= ieee80211_mgmt_tx
,
3126 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3127 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3128 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3129 .set_antenna
= ieee80211_set_antenna
,
3130 .get_antenna
= ieee80211_get_antenna
,
3131 .set_ringparam
= ieee80211_set_ringparam
,
3132 .get_ringparam
= ieee80211_get_ringparam
,
3133 .set_rekey_data
= ieee80211_set_rekey_data
,
3134 .tdls_oper
= ieee80211_tdls_oper
,
3135 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3136 .probe_client
= ieee80211_probe_client
,
3137 .set_noack_map
= ieee80211_set_noack_map
,
3139 .set_wakeup
= ieee80211_set_wakeup
,
3141 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3142 .get_et_stats
= ieee80211_get_et_stats
,
3143 .get_et_strings
= ieee80211_get_et_strings
,
3144 .get_channel
= ieee80211_cfg_get_channel
,