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 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
)) {
376 struct ieee80211_supported_band
*sband
;
377 sband
= sta
->local
->hw
.wiphy
->bands
[
378 sta
->local
->oper_channel
->band
];
379 rate
->legacy
= sband
->bitrates
[idx
].bitrate
;
384 void sta_set_rate_info_tx(struct sta_info
*sta
,
385 const struct ieee80211_tx_rate
*rate
,
386 struct rate_info
*rinfo
)
389 if (rate
->flags
& IEEE80211_TX_RC_MCS
)
390 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
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_SHORT_GI
)
394 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
395 rate_idx_to_bitrate(rinfo
, sta
, rate
->idx
);
398 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
400 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
401 struct ieee80211_local
*local
= sdata
->local
;
402 struct timespec uptime
;
404 sinfo
->generation
= sdata
->local
->sta_generation
;
406 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
407 STATION_INFO_RX_BYTES
|
408 STATION_INFO_TX_BYTES
|
409 STATION_INFO_RX_PACKETS
|
410 STATION_INFO_TX_PACKETS
|
411 STATION_INFO_TX_RETRIES
|
412 STATION_INFO_TX_FAILED
|
413 STATION_INFO_TX_BITRATE
|
414 STATION_INFO_RX_BITRATE
|
415 STATION_INFO_RX_DROP_MISC
|
416 STATION_INFO_BSS_PARAM
|
417 STATION_INFO_CONNECTED_TIME
|
418 STATION_INFO_STA_FLAGS
|
419 STATION_INFO_BEACON_LOSS_COUNT
;
421 do_posix_clock_monotonic_gettime(&uptime
);
422 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
424 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
425 sinfo
->rx_bytes
= sta
->rx_bytes
;
426 sinfo
->tx_bytes
= sta
->tx_bytes
;
427 sinfo
->rx_packets
= sta
->rx_packets
;
428 sinfo
->tx_packets
= sta
->tx_packets
;
429 sinfo
->tx_retries
= sta
->tx_retry_count
;
430 sinfo
->tx_failed
= sta
->tx_retry_failed
;
431 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
432 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
434 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
435 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
436 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
437 if (!local
->ops
->get_rssi
||
438 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
439 sinfo
->signal
= (s8
)sta
->last_signal
;
440 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
443 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
445 sinfo
->rxrate
.flags
= 0;
446 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
447 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
448 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
449 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
450 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
451 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
452 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
454 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
455 #ifdef CONFIG_MAC80211_MESH
456 sinfo
->filled
|= STATION_INFO_LLID
|
458 STATION_INFO_PLINK_STATE
;
460 sinfo
->llid
= le16_to_cpu(sta
->llid
);
461 sinfo
->plid
= le16_to_cpu(sta
->plid
);
462 sinfo
->plink_state
= sta
->plink_state
;
463 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
464 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
465 sinfo
->t_offset
= sta
->t_offset
;
470 sinfo
->bss_param
.flags
= 0;
471 if (sdata
->vif
.bss_conf
.use_cts_prot
)
472 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
473 if (sdata
->vif
.bss_conf
.use_short_preamble
)
474 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
475 if (sdata
->vif
.bss_conf
.use_short_slot
)
476 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
477 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
478 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
480 sinfo
->sta_flags
.set
= 0;
481 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
482 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
483 BIT(NL80211_STA_FLAG_WME
) |
484 BIT(NL80211_STA_FLAG_MFP
) |
485 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
486 BIT(NL80211_STA_FLAG_TDLS_PEER
);
487 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
488 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
489 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
490 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
491 if (test_sta_flag(sta
, WLAN_STA_WME
))
492 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
493 if (test_sta_flag(sta
, WLAN_STA_MFP
))
494 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
495 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
496 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
497 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
498 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
501 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
502 "rx_packets", "rx_bytes", "wep_weak_iv_count",
503 "rx_duplicates", "rx_fragments", "rx_dropped",
504 "tx_packets", "tx_bytes", "tx_fragments",
505 "tx_filtered", "tx_retry_failed", "tx_retries",
506 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
507 "channel", "noise", "ch_time", "ch_time_busy",
508 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
510 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
512 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
513 struct net_device
*dev
,
516 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
519 if (sset
== ETH_SS_STATS
)
522 rv
+= drv_get_et_sset_count(sdata
, sset
);
529 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
530 struct net_device
*dev
,
531 struct ethtool_stats
*stats
,
534 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
535 struct sta_info
*sta
;
536 struct ieee80211_local
*local
= sdata
->local
;
537 struct station_info sinfo
;
538 struct survey_info survey
;
540 #define STA_STATS_SURVEY_LEN 7
542 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
544 #define ADD_STA_STATS(sta) \
546 data[i++] += sta->rx_packets; \
547 data[i++] += sta->rx_bytes; \
548 data[i++] += sta->wep_weak_iv_count; \
549 data[i++] += sta->num_duplicates; \
550 data[i++] += sta->rx_fragments; \
551 data[i++] += sta->rx_dropped; \
553 data[i++] += sta->tx_packets; \
554 data[i++] += sta->tx_bytes; \
555 data[i++] += sta->tx_fragments; \
556 data[i++] += sta->tx_filtered_count; \
557 data[i++] += sta->tx_retry_failed; \
558 data[i++] += sta->tx_retry_count; \
559 data[i++] += sta->beacon_loss_count; \
562 /* For Managed stations, find the single station based on BSSID
563 * and use that. For interface types, iterate through all available
564 * stations and add stats for any station that is assigned to this
568 mutex_lock(&local
->sta_mtx
);
570 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
571 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
573 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
579 data
[i
++] = sta
->sta_state
;
582 sta_set_sinfo(sta
, &sinfo
);
584 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
586 cfg80211_calculate_bitrate(&sinfo
.txrate
);
588 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
590 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
593 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
594 data
[i
] = (u8
)sinfo
.signal_avg
;
597 list_for_each_entry(sta
, &local
->sta_list
, list
) {
598 /* Make sure this station belongs to the proper dev */
599 if (sta
->sdata
->dev
!= dev
)
608 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
609 /* Get survey stats for current channel */
613 if (drv_get_survey(local
, q
, &survey
) != 0) {
618 if (survey
.channel
&&
619 (local
->oper_channel
->center_freq
==
620 survey
.channel
->center_freq
))
626 data
[i
++] = survey
.channel
->center_freq
;
629 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
630 data
[i
++] = (u8
)survey
.noise
;
633 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
634 data
[i
++] = survey
.channel_time
;
637 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
638 data
[i
++] = survey
.channel_time_busy
;
641 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
642 data
[i
++] = survey
.channel_time_ext_busy
;
645 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
646 data
[i
++] = survey
.channel_time_rx
;
649 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
650 data
[i
++] = survey
.channel_time_tx
;
654 mutex_unlock(&local
->sta_mtx
);
656 if (WARN_ON(i
!= STA_STATS_LEN
))
659 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
662 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
663 struct net_device
*dev
,
666 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
667 int sz_sta_stats
= 0;
669 if (sset
== ETH_SS_STATS
) {
670 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
671 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
673 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
676 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
677 int idx
, u8
*mac
, struct station_info
*sinfo
)
679 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
680 struct ieee80211_local
*local
= sdata
->local
;
681 struct sta_info
*sta
;
684 mutex_lock(&local
->sta_mtx
);
686 sta
= sta_info_get_by_idx(sdata
, idx
);
689 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
690 sta_set_sinfo(sta
, sinfo
);
693 mutex_unlock(&local
->sta_mtx
);
698 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
699 int idx
, struct survey_info
*survey
)
701 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
703 return drv_get_survey(local
, idx
, survey
);
706 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
707 u8
*mac
, struct station_info
*sinfo
)
709 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
710 struct ieee80211_local
*local
= sdata
->local
;
711 struct sta_info
*sta
;
714 mutex_lock(&local
->sta_mtx
);
716 sta
= sta_info_get_bss(sdata
, mac
);
719 sta_set_sinfo(sta
, sinfo
);
722 mutex_unlock(&local
->sta_mtx
);
727 static int ieee80211_set_channel(struct wiphy
*wiphy
,
728 struct net_device
*netdev
,
729 struct ieee80211_channel
*chan
,
730 enum nl80211_channel_type channel_type
)
732 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
733 struct ieee80211_sub_if_data
*sdata
= NULL
;
736 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
738 switch (ieee80211_get_channel_mode(local
, NULL
)) {
739 case CHAN_MODE_HOPPING
:
741 case CHAN_MODE_FIXED
:
742 if (local
->oper_channel
!= chan
||
743 (!sdata
&& local
->_oper_channel_type
!= channel_type
))
745 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
748 case CHAN_MODE_UNDEFINED
:
752 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
755 local
->oper_channel
= chan
;
757 /* auto-detects changes */
758 ieee80211_hw_config(local
, 0);
763 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
764 struct ieee80211_channel
*chan
,
765 enum nl80211_channel_type channel_type
)
767 return ieee80211_set_channel(wiphy
, NULL
, chan
, channel_type
);
770 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
771 const u8
*resp
, size_t resp_len
)
773 struct probe_resp
*new, *old
;
775 if (!resp
|| !resp_len
)
778 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
780 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
785 memcpy(new->data
, resp
, resp_len
);
787 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
789 kfree_rcu(old
, rcu_head
);
794 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
795 struct cfg80211_beacon_data
*params
)
797 struct beacon_data
*new, *old
;
798 int new_head_len
, new_tail_len
;
800 u32 changed
= BSS_CHANGED_BEACON
;
802 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
804 /* Need to have a beacon head if we don't have one yet */
805 if (!params
->head
&& !old
)
808 /* new or old head? */
810 new_head_len
= params
->head_len
;
812 new_head_len
= old
->head_len
;
814 /* new or old tail? */
815 if (params
->tail
|| !old
)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len
= params
->tail_len
;
819 new_tail_len
= old
->tail_len
;
821 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
823 new = kzalloc(size
, GFP_KERNEL
);
827 /* start filling the new info now */
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
833 new->head
= ((u8
*) new) + sizeof(*new);
834 new->tail
= new->head
+ new_head_len
;
835 new->head_len
= new_head_len
;
836 new->tail_len
= new_tail_len
;
840 memcpy(new->head
, params
->head
, new_head_len
);
842 memcpy(new->head
, old
->head
, new_head_len
);
844 /* copy in optional tail */
846 memcpy(new->tail
, params
->tail
, new_tail_len
);
849 memcpy(new->tail
, old
->tail
, new_tail_len
);
851 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
852 params
->probe_resp_len
);
856 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
858 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
861 kfree_rcu(old
, rcu_head
);
866 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
867 struct cfg80211_ap_settings
*params
)
869 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
870 struct beacon_data
*old
;
871 struct ieee80211_sub_if_data
*vlan
;
872 u32 changed
= BSS_CHANGED_BEACON_INT
|
873 BSS_CHANGED_BEACON_ENABLED
|
878 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
882 err
= ieee80211_set_channel(wiphy
, dev
, params
->channel
,
883 params
->channel_type
);
888 * Apply control port protocol, this allows us to
889 * not encrypt dynamic WEP control frames.
891 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
892 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
893 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
894 vlan
->control_port_protocol
=
895 params
->crypto
.control_port_ethertype
;
896 vlan
->control_port_no_encrypt
=
897 params
->crypto
.control_port_no_encrypt
;
900 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
901 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
903 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
904 if (params
->ssid_len
)
905 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
907 sdata
->vif
.bss_conf
.hidden_ssid
=
908 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
910 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
915 ieee80211_bss_info_change_notify(sdata
, changed
);
917 netif_carrier_on(dev
);
918 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
919 netif_carrier_on(vlan
->dev
);
924 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
925 struct cfg80211_beacon_data
*params
)
927 struct ieee80211_sub_if_data
*sdata
;
928 struct beacon_data
*old
;
931 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
933 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
937 err
= ieee80211_assign_beacon(sdata
, params
);
940 ieee80211_bss_info_change_notify(sdata
, err
);
944 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
946 struct ieee80211_sub_if_data
*sdata
, *vlan
;
947 struct beacon_data
*old
;
949 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
951 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
955 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
956 netif_carrier_off(vlan
->dev
);
957 netif_carrier_off(dev
);
959 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
961 kfree_rcu(old
, rcu_head
);
963 sta_info_flush(sdata
->local
, sdata
);
964 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
969 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
970 struct iapp_layer2_update
{
971 u8 da
[ETH_ALEN
]; /* broadcast */
972 u8 sa
[ETH_ALEN
]; /* STA addr */
980 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
982 struct iapp_layer2_update
*msg
;
985 /* Send Level 2 Update Frame to update forwarding tables in layer 2
988 skb
= dev_alloc_skb(sizeof(*msg
));
991 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
993 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
994 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
996 eth_broadcast_addr(msg
->da
);
997 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1000 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1001 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1002 * F=0 (no poll command; unsolicited frame) */
1003 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1004 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1005 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1007 skb
->dev
= sta
->sdata
->dev
;
1008 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1009 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1013 static int sta_apply_parameters(struct ieee80211_local
*local
,
1014 struct sta_info
*sta
,
1015 struct station_parameters
*params
)
1020 struct ieee80211_supported_band
*sband
;
1021 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1024 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
1026 mask
= params
->sta_flags_mask
;
1027 set
= params
->sta_flags_set
;
1030 * In mesh mode, we can clear AUTHENTICATED flag but must
1031 * also make ASSOCIATED follow appropriately for the driver
1032 * API. See also below, after AUTHORIZED changes.
1034 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1035 /* cfg80211 should not allow this in non-mesh modes */
1036 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1039 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1040 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1041 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1044 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1050 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1051 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1052 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1053 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1054 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1059 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1060 /* cfg80211 should not allow this in non-mesh modes */
1061 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1064 if (!(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1065 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1066 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1069 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1076 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1077 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1078 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1080 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1083 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1084 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1085 set_sta_flag(sta
, WLAN_STA_WME
);
1086 sta
->sta
.wme
= true;
1088 clear_sta_flag(sta
, WLAN_STA_WME
);
1089 sta
->sta
.wme
= false;
1093 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1094 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1095 set_sta_flag(sta
, WLAN_STA_MFP
);
1097 clear_sta_flag(sta
, WLAN_STA_MFP
);
1100 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1101 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1102 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1104 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1107 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1108 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1109 sta
->sta
.max_sp
= params
->max_sp
;
1113 * cfg80211 validates this (1-2007) and allows setting the AID
1114 * only when creating a new station entry
1117 sta
->sta
.aid
= params
->aid
;
1120 * FIXME: updating the following information is racy when this
1121 * function is called from ieee80211_change_station().
1122 * However, all this information should be static so
1123 * maybe we should just reject attemps to change it.
1126 if (params
->listen_interval
>= 0)
1127 sta
->listen_interval
= params
->listen_interval
;
1129 if (params
->supported_rates
) {
1132 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1133 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1134 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1135 if (sband
->bitrates
[j
].bitrate
== rate
)
1139 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
1142 if (params
->ht_capa
)
1143 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1147 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1148 #ifdef CONFIG_MAC80211_MESH
1149 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
1150 switch (params
->plink_state
) {
1151 case NL80211_PLINK_LISTEN
:
1152 case NL80211_PLINK_ESTAB
:
1153 case NL80211_PLINK_BLOCKED
:
1154 sta
->plink_state
= params
->plink_state
;
1161 switch (params
->plink_action
) {
1162 case PLINK_ACTION_OPEN
:
1163 mesh_plink_open(sta
);
1165 case PLINK_ACTION_BLOCK
:
1166 mesh_plink_block(sta
);
1175 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1176 u8
*mac
, struct station_parameters
*params
)
1178 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1179 struct sta_info
*sta
;
1180 struct ieee80211_sub_if_data
*sdata
;
1185 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1187 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1188 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1191 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1193 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1196 if (is_multicast_ether_addr(mac
))
1199 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1203 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1204 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1206 err
= sta_apply_parameters(local
, sta
, params
);
1208 sta_info_free(local
, sta
);
1213 * for TDLS, rate control should be initialized only when supported
1216 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1217 rate_control_rate_init(sta
);
1219 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1220 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1222 err
= sta_info_insert_rcu(sta
);
1229 ieee80211_send_layer2_update(sta
);
1236 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1239 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1240 struct ieee80211_sub_if_data
*sdata
;
1242 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1245 return sta_info_destroy_addr_bss(sdata
, mac
);
1247 sta_info_flush(local
, sdata
);
1251 static int ieee80211_change_station(struct wiphy
*wiphy
,
1252 struct net_device
*dev
,
1254 struct station_parameters
*params
)
1256 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1257 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1258 struct sta_info
*sta
;
1259 struct ieee80211_sub_if_data
*vlansdata
;
1262 mutex_lock(&local
->sta_mtx
);
1264 sta
= sta_info_get_bss(sdata
, mac
);
1266 mutex_unlock(&local
->sta_mtx
);
1270 /* in station mode, supported rates are only valid with TDLS */
1271 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1272 params
->supported_rates
&&
1273 !test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1274 mutex_unlock(&local
->sta_mtx
);
1278 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1279 bool prev_4addr
= false;
1280 bool new_4addr
= false;
1282 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1284 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1285 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
1286 mutex_unlock(&local
->sta_mtx
);
1290 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1291 if (vlansdata
->u
.vlan
.sta
) {
1292 mutex_unlock(&local
->sta_mtx
);
1296 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1300 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1301 sta
->sdata
->u
.vlan
.sta
) {
1302 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1306 sta
->sdata
= vlansdata
;
1308 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1309 prev_4addr
!= new_4addr
) {
1311 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1313 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1316 ieee80211_send_layer2_update(sta
);
1319 err
= sta_apply_parameters(local
, sta
, params
);
1321 mutex_unlock(&local
->sta_mtx
);
1325 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
1326 rate_control_rate_init(sta
);
1328 mutex_unlock(&local
->sta_mtx
);
1330 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1331 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1332 ieee80211_recalc_ps(local
, -1);
1333 ieee80211_recalc_ps_vif(sdata
);
1338 #ifdef CONFIG_MAC80211_MESH
1339 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1340 u8
*dst
, u8
*next_hop
)
1342 struct ieee80211_sub_if_data
*sdata
;
1343 struct mesh_path
*mpath
;
1344 struct sta_info
*sta
;
1347 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1350 sta
= sta_info_get(sdata
, next_hop
);
1356 err
= mesh_path_add(dst
, sdata
);
1362 mpath
= mesh_path_lookup(dst
, sdata
);
1367 mesh_path_fix_nexthop(mpath
, sta
);
1373 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1376 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1379 return mesh_path_del(dst
, sdata
);
1381 mesh_path_flush_by_iface(sdata
);
1385 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1386 struct net_device
*dev
,
1387 u8
*dst
, u8
*next_hop
)
1389 struct ieee80211_sub_if_data
*sdata
;
1390 struct mesh_path
*mpath
;
1391 struct sta_info
*sta
;
1393 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1397 sta
= sta_info_get(sdata
, next_hop
);
1403 mpath
= mesh_path_lookup(dst
, sdata
);
1409 mesh_path_fix_nexthop(mpath
, sta
);
1415 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1416 struct mpath_info
*pinfo
)
1418 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1421 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1423 memset(next_hop
, 0, ETH_ALEN
);
1425 memset(pinfo
, 0, sizeof(*pinfo
));
1427 pinfo
->generation
= mesh_paths_generation
;
1429 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1432 MPATH_INFO_EXPTIME
|
1433 MPATH_INFO_DISCOVERY_TIMEOUT
|
1434 MPATH_INFO_DISCOVERY_RETRIES
|
1437 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1438 pinfo
->sn
= mpath
->sn
;
1439 pinfo
->metric
= mpath
->metric
;
1440 if (time_before(jiffies
, mpath
->exp_time
))
1441 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1442 pinfo
->discovery_timeout
=
1443 jiffies_to_msecs(mpath
->discovery_timeout
);
1444 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1445 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1446 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1447 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1448 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1449 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1450 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1451 if (mpath
->flags
& MESH_PATH_FIXED
)
1452 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1453 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1454 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1457 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1458 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1461 struct ieee80211_sub_if_data
*sdata
;
1462 struct mesh_path
*mpath
;
1464 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1467 mpath
= mesh_path_lookup(dst
, sdata
);
1472 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1473 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1478 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1479 int idx
, u8
*dst
, u8
*next_hop
,
1480 struct mpath_info
*pinfo
)
1482 struct ieee80211_sub_if_data
*sdata
;
1483 struct mesh_path
*mpath
;
1485 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1488 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1493 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1494 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1499 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1500 struct net_device
*dev
,
1501 struct mesh_config
*conf
)
1503 struct ieee80211_sub_if_data
*sdata
;
1504 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1506 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1510 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1512 return (mask
>> (parm
-1)) & 0x1;
1515 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1516 const struct mesh_setup
*setup
)
1520 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1521 struct ieee80211_sub_if_data
, u
.mesh
);
1523 /* allocate information elements */
1527 if (setup
->ie_len
) {
1528 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1533 ifmsh
->ie_len
= setup
->ie_len
;
1537 /* now copy the rest of the setup parameters */
1538 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1539 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1540 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1541 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1542 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1543 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1544 if (setup
->is_authenticated
)
1545 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1546 if (setup
->is_secure
)
1547 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1549 /* mcast rate setting in Mesh Node */
1550 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1551 sizeof(setup
->mcast_rate
));
1556 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1557 struct net_device
*dev
, u32 mask
,
1558 const struct mesh_config
*nconf
)
1560 struct mesh_config
*conf
;
1561 struct ieee80211_sub_if_data
*sdata
;
1562 struct ieee80211_if_mesh
*ifmsh
;
1564 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1565 ifmsh
= &sdata
->u
.mesh
;
1567 /* Set the config options which we are interested in setting */
1568 conf
= &(sdata
->u
.mesh
.mshcfg
);
1569 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1570 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1571 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1572 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1573 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1574 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1575 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1576 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1577 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1578 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1579 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1580 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1581 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1582 conf
->element_ttl
= nconf
->element_ttl
;
1583 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1584 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1585 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1586 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1587 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1588 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1589 conf
->dot11MeshHWMPmaxPREQretries
=
1590 nconf
->dot11MeshHWMPmaxPREQretries
;
1591 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1592 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1593 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1594 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1595 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1596 conf
->dot11MeshHWMPactivePathTimeout
=
1597 nconf
->dot11MeshHWMPactivePathTimeout
;
1598 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1599 conf
->dot11MeshHWMPpreqMinInterval
=
1600 nconf
->dot11MeshHWMPpreqMinInterval
;
1601 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1602 conf
->dot11MeshHWMPperrMinInterval
=
1603 nconf
->dot11MeshHWMPperrMinInterval
;
1604 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1606 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1607 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1608 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1609 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1610 ieee80211_mesh_root_setup(ifmsh
);
1612 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1613 /* our current gate announcement implementation rides on root
1614 * announcements, so require this ifmsh to also be a root node
1616 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1617 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1618 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1619 ieee80211_mesh_root_setup(ifmsh
);
1621 conf
->dot11MeshGateAnnouncementProtocol
=
1622 nconf
->dot11MeshGateAnnouncementProtocol
;
1624 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1625 conf
->dot11MeshHWMPRannInterval
=
1626 nconf
->dot11MeshHWMPRannInterval
;
1627 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1628 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1629 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1630 /* our RSSI threshold implementation is supported only for
1631 * devices that report signal in dBm.
1633 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1635 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1637 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1638 conf
->ht_opmode
= nconf
->ht_opmode
;
1639 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1640 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1642 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1643 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1644 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1645 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1646 conf
->dot11MeshHWMProotInterval
=
1647 nconf
->dot11MeshHWMProotInterval
;
1648 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1649 conf
->dot11MeshHWMPconfirmationInterval
=
1650 nconf
->dot11MeshHWMPconfirmationInterval
;
1654 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1655 const struct mesh_config
*conf
,
1656 const struct mesh_setup
*setup
)
1658 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1659 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1662 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1663 err
= copy_mesh_setup(ifmsh
, setup
);
1667 err
= ieee80211_set_channel(wiphy
, dev
, setup
->channel
,
1668 setup
->channel_type
);
1672 ieee80211_start_mesh(sdata
);
1677 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1679 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1681 ieee80211_stop_mesh(sdata
);
1687 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1688 struct net_device
*dev
,
1689 struct bss_parameters
*params
)
1691 struct ieee80211_sub_if_data
*sdata
;
1694 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1696 if (params
->use_cts_prot
>= 0) {
1697 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1698 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1700 if (params
->use_short_preamble
>= 0) {
1701 sdata
->vif
.bss_conf
.use_short_preamble
=
1702 params
->use_short_preamble
;
1703 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1706 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1707 sdata
->local
->oper_channel
->band
== IEEE80211_BAND_5GHZ
) {
1708 sdata
->vif
.bss_conf
.use_short_slot
= true;
1709 changed
|= BSS_CHANGED_ERP_SLOT
;
1712 if (params
->use_short_slot_time
>= 0) {
1713 sdata
->vif
.bss_conf
.use_short_slot
=
1714 params
->use_short_slot_time
;
1715 changed
|= BSS_CHANGED_ERP_SLOT
;
1718 if (params
->basic_rates
) {
1721 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1722 struct ieee80211_supported_band
*sband
=
1723 wiphy
->bands
[local
->oper_channel
->band
];
1725 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1726 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1727 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1728 if (sband
->bitrates
[j
].bitrate
== rate
)
1732 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1733 changed
|= BSS_CHANGED_BASIC_RATES
;
1736 if (params
->ap_isolate
>= 0) {
1737 if (params
->ap_isolate
)
1738 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1740 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1743 if (params
->ht_opmode
>= 0) {
1744 sdata
->vif
.bss_conf
.ht_operation_mode
=
1745 (u16
) params
->ht_opmode
;
1746 changed
|= BSS_CHANGED_HT
;
1749 ieee80211_bss_info_change_notify(sdata
, changed
);
1754 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1755 struct net_device
*dev
,
1756 struct ieee80211_txq_params
*params
)
1758 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1759 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1760 struct ieee80211_tx_queue_params p
;
1762 if (!local
->ops
->conf_tx
)
1765 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1768 memset(&p
, 0, sizeof(p
));
1769 p
.aifs
= params
->aifs
;
1770 p
.cw_max
= params
->cwmax
;
1771 p
.cw_min
= params
->cwmin
;
1772 p
.txop
= params
->txop
;
1775 * Setting tx queue params disables u-apsd because it's only
1776 * called in master mode.
1780 sdata
->tx_conf
[params
->ac
] = p
;
1781 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1782 wiphy_debug(local
->hw
.wiphy
,
1783 "failed to set TX queue parameters for AC %d\n",
1788 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1794 static int ieee80211_suspend(struct wiphy
*wiphy
,
1795 struct cfg80211_wowlan
*wowlan
)
1797 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1800 static int ieee80211_resume(struct wiphy
*wiphy
)
1802 return __ieee80211_resume(wiphy_priv(wiphy
));
1805 #define ieee80211_suspend NULL
1806 #define ieee80211_resume NULL
1809 static int ieee80211_scan(struct wiphy
*wiphy
,
1810 struct cfg80211_scan_request
*req
)
1812 struct ieee80211_sub_if_data
*sdata
;
1814 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1816 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1817 case NL80211_IFTYPE_STATION
:
1818 case NL80211_IFTYPE_ADHOC
:
1819 case NL80211_IFTYPE_MESH_POINT
:
1820 case NL80211_IFTYPE_P2P_CLIENT
:
1821 case NL80211_IFTYPE_P2P_DEVICE
:
1823 case NL80211_IFTYPE_P2P_GO
:
1824 if (sdata
->local
->ops
->hw_scan
)
1827 * FIXME: implement NoA while scanning in software,
1828 * for now fall through to allow scanning only when
1829 * beaconing hasn't been configured yet
1831 case NL80211_IFTYPE_AP
:
1832 if (sdata
->u
.ap
.beacon
)
1839 return ieee80211_request_scan(sdata
, req
);
1843 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1844 struct net_device
*dev
,
1845 struct cfg80211_sched_scan_request
*req
)
1847 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1849 if (!sdata
->local
->ops
->sched_scan_start
)
1852 return ieee80211_request_sched_scan_start(sdata
, req
);
1856 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1858 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1860 if (!sdata
->local
->ops
->sched_scan_stop
)
1863 return ieee80211_request_sched_scan_stop(sdata
);
1866 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1867 struct cfg80211_auth_request
*req
)
1869 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1872 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1873 struct cfg80211_assoc_request
*req
)
1875 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1876 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1878 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1879 case CHAN_MODE_HOPPING
:
1881 case CHAN_MODE_FIXED
:
1882 if (local
->oper_channel
== req
->bss
->channel
)
1885 case CHAN_MODE_UNDEFINED
:
1889 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1892 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1893 struct cfg80211_deauth_request
*req
)
1895 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1898 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1899 struct cfg80211_disassoc_request
*req
)
1901 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1904 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1905 struct cfg80211_ibss_params
*params
)
1907 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1908 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1910 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1911 case CHAN_MODE_HOPPING
:
1913 case CHAN_MODE_FIXED
:
1914 if (!params
->channel_fixed
)
1916 if (local
->oper_channel
== params
->channel
)
1919 case CHAN_MODE_UNDEFINED
:
1923 return ieee80211_ibss_join(sdata
, params
);
1926 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1928 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1930 return ieee80211_ibss_leave(sdata
);
1933 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1935 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1938 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1939 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1945 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1946 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1952 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1953 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1959 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1960 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1961 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1962 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1964 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1965 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1970 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1971 enum nl80211_tx_power_setting type
, int mbm
)
1973 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1974 struct ieee80211_channel
*chan
= local
->oper_channel
;
1978 case NL80211_TX_POWER_AUTOMATIC
:
1979 local
->user_power_level
= -1;
1981 case NL80211_TX_POWER_LIMITED
:
1982 if (mbm
< 0 || (mbm
% 100))
1984 local
->user_power_level
= MBM_TO_DBM(mbm
);
1986 case NL80211_TX_POWER_FIXED
:
1987 if (mbm
< 0 || (mbm
% 100))
1989 /* TODO: move to cfg80211 when it knows the channel */
1990 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1992 local
->user_power_level
= MBM_TO_DBM(mbm
);
1996 ieee80211_hw_config(local
, changes
);
2001 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
2003 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2005 *dbm
= local
->hw
.conf
.power_level
;
2010 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2013 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2015 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2020 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2022 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2024 drv_rfkill_poll(local
);
2027 #ifdef CONFIG_NL80211_TESTMODE
2028 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
2030 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2032 if (!local
->ops
->testmode_cmd
)
2035 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
2038 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2039 struct sk_buff
*skb
,
2040 struct netlink_callback
*cb
,
2041 void *data
, int len
)
2043 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2045 if (!local
->ops
->testmode_dump
)
2048 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2052 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
2053 enum ieee80211_smps_mode smps_mode
)
2056 enum ieee80211_smps_mode old_req
;
2059 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
2061 old_req
= sdata
->u
.mgd
.req_smps
;
2062 sdata
->u
.mgd
.req_smps
= smps_mode
;
2064 if (old_req
== smps_mode
&&
2065 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2069 * If not associated, or current association is not an HT
2070 * association, there's no need to send an action frame.
2072 if (!sdata
->u
.mgd
.associated
||
2073 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
2074 ieee80211_recalc_smps(sdata
->local
);
2078 ap
= sdata
->u
.mgd
.associated
->bssid
;
2080 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2081 if (sdata
->u
.mgd
.powersave
)
2082 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2084 smps_mode
= IEEE80211_SMPS_OFF
;
2087 /* send SM PS frame to AP */
2088 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2091 sdata
->u
.mgd
.req_smps
= old_req
;
2096 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2097 bool enabled
, int timeout
)
2099 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2100 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2102 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2105 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2108 if (enabled
== sdata
->u
.mgd
.powersave
&&
2109 timeout
== local
->dynamic_ps_forced_timeout
)
2112 sdata
->u
.mgd
.powersave
= enabled
;
2113 local
->dynamic_ps_forced_timeout
= timeout
;
2115 /* no change, but if automatic follow powersave */
2116 mutex_lock(&sdata
->u
.mgd
.mtx
);
2117 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2118 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2120 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2121 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2123 ieee80211_recalc_ps(local
, -1);
2124 ieee80211_recalc_ps_vif(sdata
);
2129 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2130 struct net_device
*dev
,
2131 s32 rssi_thold
, u32 rssi_hyst
)
2133 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2134 struct ieee80211_vif
*vif
= &sdata
->vif
;
2135 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2137 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2138 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2141 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2142 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2144 /* tell the driver upon association, unless already associated */
2145 if (sdata
->u
.mgd
.associated
&&
2146 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2147 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2152 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2153 struct net_device
*dev
,
2155 const struct cfg80211_bitrate_mask
*mask
)
2157 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2158 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2161 if (!ieee80211_sdata_running(sdata
))
2164 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2165 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2170 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2171 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2172 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2173 sizeof(mask
->control
[i
].mcs
));
2179 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2180 struct ieee80211_sub_if_data
*sdata
,
2181 struct ieee80211_channel
*channel
,
2182 enum nl80211_channel_type channel_type
,
2183 unsigned int duration
, u64
*cookie
,
2184 struct sk_buff
*txskb
)
2186 struct ieee80211_roc_work
*roc
, *tmp
;
2187 bool queued
= false;
2190 lockdep_assert_held(&local
->mtx
);
2192 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2196 roc
->chan
= channel
;
2197 roc
->chan_type
= channel_type
;
2198 roc
->duration
= duration
;
2199 roc
->req_duration
= duration
;
2201 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2203 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2204 INIT_LIST_HEAD(&roc
->dependents
);
2206 /* if there's one pending or we're scanning, queue this one */
2207 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2208 goto out_check_combine
;
2210 /* if not HW assist, just queue & schedule work */
2211 if (!local
->ops
->remain_on_channel
) {
2212 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2216 /* otherwise actually kick it off here (for error handling) */
2219 * If the duration is zero, then the driver
2220 * wouldn't actually do anything. Set it to
2223 * TODO: cancel the off-channel operation
2224 * when we get the SKB's TX status and
2225 * the wait time was zero before.
2230 ret
= drv_remain_on_channel(local
, channel
, channel_type
, duration
);
2236 roc
->started
= true;
2240 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2241 if (tmp
->chan
!= channel
|| tmp
->chan_type
!= channel_type
)
2245 * Extend this ROC if possible:
2247 * If it hasn't started yet, just increase the duration
2248 * and add the new one to the list of dependents.
2250 if (!tmp
->started
) {
2251 list_add_tail(&roc
->list
, &tmp
->dependents
);
2252 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2257 /* If it has already started, it's more difficult ... */
2258 if (local
->ops
->remain_on_channel
) {
2259 unsigned long j
= jiffies
;
2262 * In the offloaded ROC case, if it hasn't begun, add
2263 * this new one to the dependent list to be handled
2264 * when the the master one begins. If it has begun,
2265 * check that there's still a minimum time left and
2266 * if so, start this one, transmitting the frame, but
2267 * add it to the list directly after this one with a
2268 * a reduced time so we'll ask the driver to execute
2269 * it right after finishing the previous one, in the
2270 * hope that it'll also be executed right afterwards,
2271 * effectively extending the old one.
2272 * If there's no minimum time left, just add it to the
2275 if (!tmp
->hw_begun
) {
2276 list_add_tail(&roc
->list
, &tmp
->dependents
);
2281 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2282 tmp
->hw_start_time
+
2283 msecs_to_jiffies(tmp
->duration
))) {
2286 ieee80211_handle_roc_started(roc
);
2288 new_dur
= roc
->duration
-
2289 jiffies_to_msecs(tmp
->hw_start_time
+
2295 /* add right after tmp */
2296 list_add(&roc
->list
, &tmp
->list
);
2298 list_add_tail(&roc
->list
,
2303 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2304 unsigned long new_end
;
2307 * In the software ROC case, cancel the timer, if
2308 * that fails then the finish work is already
2309 * queued/pending and thus we queue the new ROC
2310 * normally, if that succeeds then we can extend
2311 * the timer duration and TX the frame (if any.)
2314 list_add_tail(&roc
->list
, &tmp
->dependents
);
2317 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2319 /* ok, it was started & we canceled timer */
2320 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2321 mod_timer(&tmp
->work
.timer
, new_end
);
2323 add_timer(&tmp
->work
.timer
);
2325 ieee80211_handle_roc_started(roc
);
2332 list_add_tail(&roc
->list
, &local
->roc_list
);
2335 * cookie is either the roc (for normal roc)
2336 * or the SKB (for mgmt TX)
2339 *cookie
= (unsigned long)txskb
;
2341 *cookie
= (unsigned long)roc
;
2346 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2347 struct wireless_dev
*wdev
,
2348 struct ieee80211_channel
*chan
,
2349 enum nl80211_channel_type channel_type
,
2350 unsigned int duration
,
2353 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2354 struct ieee80211_local
*local
= sdata
->local
;
2357 mutex_lock(&local
->mtx
);
2358 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2359 duration
, cookie
, NULL
);
2360 mutex_unlock(&local
->mtx
);
2365 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2366 u64 cookie
, bool mgmt_tx
)
2368 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2371 mutex_lock(&local
->mtx
);
2372 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2373 struct ieee80211_roc_work
*dep
, *tmp2
;
2375 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2376 if (!mgmt_tx
&& (unsigned long)dep
!= cookie
)
2378 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2380 /* found dependent item -- just remove it */
2381 list_del(&dep
->list
);
2382 mutex_unlock(&local
->mtx
);
2384 ieee80211_roc_notify_destroy(dep
);
2388 if (!mgmt_tx
&& (unsigned long)roc
!= cookie
)
2390 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2398 mutex_unlock(&local
->mtx
);
2403 * We found the item to cancel, so do that. Note that it
2404 * may have dependents, which we also cancel (and send
2405 * the expired signal for.) Not doing so would be quite
2406 * tricky here, but we may need to fix it later.
2409 if (local
->ops
->remain_on_channel
) {
2410 if (found
->started
) {
2411 ret
= drv_cancel_remain_on_channel(local
);
2412 if (WARN_ON_ONCE(ret
)) {
2413 mutex_unlock(&local
->mtx
);
2418 list_del(&found
->list
);
2421 ieee80211_start_next_roc(local
);
2422 mutex_unlock(&local
->mtx
);
2424 ieee80211_roc_notify_destroy(found
);
2426 /* work may be pending so use it all the time */
2427 found
->abort
= true;
2428 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2430 mutex_unlock(&local
->mtx
);
2432 /* work will clean up etc */
2433 flush_delayed_work(&found
->work
);
2439 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2440 struct wireless_dev
*wdev
,
2443 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2444 struct ieee80211_local
*local
= sdata
->local
;
2446 return ieee80211_cancel_roc(local
, cookie
, false);
2449 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2450 struct ieee80211_channel
*chan
, bool offchan
,
2451 enum nl80211_channel_type channel_type
,
2452 bool channel_type_valid
, unsigned int wait
,
2453 const u8
*buf
, size_t len
, bool no_cck
,
2454 bool dont_wait_for_ack
, u64
*cookie
)
2456 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2457 struct ieee80211_local
*local
= sdata
->local
;
2458 struct sk_buff
*skb
;
2459 struct sta_info
*sta
;
2460 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2461 bool need_offchan
= false;
2465 if (dont_wait_for_ack
)
2466 flags
= IEEE80211_TX_CTL_NO_ACK
;
2468 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2469 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2472 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2474 switch (sdata
->vif
.type
) {
2475 case NL80211_IFTYPE_ADHOC
:
2476 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2477 need_offchan
= true;
2479 #ifdef CONFIG_MAC80211_MESH
2480 case NL80211_IFTYPE_MESH_POINT
:
2481 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
2482 !sdata
->u
.mesh
.mesh_id_len
)
2483 need_offchan
= true;
2486 case NL80211_IFTYPE_AP
:
2487 case NL80211_IFTYPE_AP_VLAN
:
2488 case NL80211_IFTYPE_P2P_GO
:
2489 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
2490 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
2491 !rcu_access_pointer(sdata
->bss
->beacon
))
2492 need_offchan
= true;
2493 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2494 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2497 sta
= sta_info_get(sdata
, mgmt
->da
);
2502 case NL80211_IFTYPE_STATION
:
2503 case NL80211_IFTYPE_P2P_CLIENT
:
2504 if (!sdata
->u
.mgd
.associated
)
2505 need_offchan
= true;
2507 case NL80211_IFTYPE_P2P_DEVICE
:
2508 need_offchan
= true;
2514 mutex_lock(&local
->mtx
);
2516 /* Check if the operating channel is the requested channel */
2517 if (!need_offchan
) {
2518 need_offchan
= chan
!= local
->oper_channel
;
2519 if (channel_type_valid
&&
2520 channel_type
!= local
->_oper_channel_type
)
2521 need_offchan
= true;
2524 if (need_offchan
&& !offchan
) {
2529 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2534 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2536 memcpy(skb_put(skb
, len
), buf
, len
);
2538 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2540 skb
->dev
= sdata
->dev
;
2542 if (!need_offchan
) {
2543 *cookie
= (unsigned long) skb
;
2544 ieee80211_tx_skb(sdata
, skb
);
2549 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2550 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2551 IEEE80211_SKB_CB(skb
)->hw_queue
=
2552 local
->hw
.offchannel_tx_hw_queue
;
2554 /* This will handle all kinds of coalescing and immediate TX */
2555 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2560 mutex_unlock(&local
->mtx
);
2564 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2565 struct wireless_dev
*wdev
,
2568 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2570 return ieee80211_cancel_roc(local
, cookie
, true);
2573 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2574 struct wireless_dev
*wdev
,
2575 u16 frame_type
, bool reg
)
2577 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2578 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2580 switch (frame_type
) {
2581 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
:
2582 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
2583 struct ieee80211_if_ibss
*ifibss
= &sdata
->u
.ibss
;
2586 ifibss
->auth_frame_registrations
++;
2588 ifibss
->auth_frame_registrations
--;
2591 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
2593 local
->probe_req_reg
++;
2595 local
->probe_req_reg
--;
2597 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2604 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2606 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2611 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2614 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2616 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2618 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2621 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2623 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2625 return drv_set_ringparam(local
, tx
, rx
);
2628 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2629 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2631 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2633 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2636 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2637 struct net_device
*dev
,
2638 struct cfg80211_gtk_rekey_data
*data
)
2640 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2641 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2643 if (!local
->ops
->set_rekey_data
)
2646 drv_set_rekey_data(local
, sdata
, data
);
2651 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2653 u8
*pos
= (void *)skb_put(skb
, 7);
2655 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2656 *pos
++ = 5; /* len */
2661 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2664 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2666 struct ieee80211_local
*local
= sdata
->local
;
2670 if (local
->oper_channel
->band
!= IEEE80211_BAND_2GHZ
)
2673 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2674 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2675 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2676 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2681 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2682 u8
*peer
, u8
*bssid
)
2684 struct ieee80211_tdls_lnkie
*lnkid
;
2686 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2688 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2689 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2691 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2692 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2693 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2697 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2698 u8
*peer
, u8 action_code
, u8 dialog_token
,
2699 u16 status_code
, struct sk_buff
*skb
)
2701 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2702 struct ieee80211_local
*local
= sdata
->local
;
2703 struct ieee80211_tdls_data
*tf
;
2705 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2707 memcpy(tf
->da
, peer
, ETH_ALEN
);
2708 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2709 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2710 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2712 switch (action_code
) {
2713 case WLAN_TDLS_SETUP_REQUEST
:
2714 tf
->category
= WLAN_CATEGORY_TDLS
;
2715 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2717 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2718 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2719 tf
->u
.setup_req
.capability
=
2720 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2722 ieee80211_add_srates_ie(sdata
, skb
, false,
2723 local
->oper_channel
->band
);
2724 ieee80211_add_ext_srates_ie(sdata
, skb
, false,
2725 local
->oper_channel
->band
);
2726 ieee80211_tdls_add_ext_capab(skb
);
2728 case WLAN_TDLS_SETUP_RESPONSE
:
2729 tf
->category
= WLAN_CATEGORY_TDLS
;
2730 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2732 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2733 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2734 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2735 tf
->u
.setup_resp
.capability
=
2736 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2738 ieee80211_add_srates_ie(sdata
, skb
, false,
2739 local
->oper_channel
->band
);
2740 ieee80211_add_ext_srates_ie(sdata
, skb
, false,
2741 local
->oper_channel
->band
);
2742 ieee80211_tdls_add_ext_capab(skb
);
2744 case WLAN_TDLS_SETUP_CONFIRM
:
2745 tf
->category
= WLAN_CATEGORY_TDLS
;
2746 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2748 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2749 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2750 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2752 case WLAN_TDLS_TEARDOWN
:
2753 tf
->category
= WLAN_CATEGORY_TDLS
;
2754 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2756 skb_put(skb
, sizeof(tf
->u
.teardown
));
2757 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2759 case WLAN_TDLS_DISCOVERY_REQUEST
:
2760 tf
->category
= WLAN_CATEGORY_TDLS
;
2761 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2763 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2764 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2774 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2775 u8
*peer
, u8 action_code
, u8 dialog_token
,
2776 u16 status_code
, struct sk_buff
*skb
)
2778 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2779 struct ieee80211_local
*local
= sdata
->local
;
2780 struct ieee80211_mgmt
*mgmt
;
2782 mgmt
= (void *)skb_put(skb
, 24);
2783 memset(mgmt
, 0, 24);
2784 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2785 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2786 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2788 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2789 IEEE80211_STYPE_ACTION
);
2791 switch (action_code
) {
2792 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2793 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2794 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2795 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2796 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2797 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2799 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2800 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2802 ieee80211_add_srates_ie(sdata
, skb
, false,
2803 local
->oper_channel
->band
);
2804 ieee80211_add_ext_srates_ie(sdata
, skb
, false,
2805 local
->oper_channel
->band
);
2806 ieee80211_tdls_add_ext_capab(skb
);
2815 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2816 u8
*peer
, u8 action_code
, u8 dialog_token
,
2817 u16 status_code
, const u8
*extra_ies
,
2818 size_t extra_ies_len
)
2820 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2821 struct ieee80211_local
*local
= sdata
->local
;
2822 struct ieee80211_tx_info
*info
;
2823 struct sk_buff
*skb
= NULL
;
2827 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2830 /* make sure we are in managed mode, and associated */
2831 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2832 !sdata
->u
.mgd
.associated
)
2835 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
2838 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2839 max(sizeof(struct ieee80211_mgmt
),
2840 sizeof(struct ieee80211_tdls_data
)) +
2841 50 + /* supported rates */
2844 sizeof(struct ieee80211_tdls_lnkie
));
2848 info
= IEEE80211_SKB_CB(skb
);
2849 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2851 switch (action_code
) {
2852 case WLAN_TDLS_SETUP_REQUEST
:
2853 case WLAN_TDLS_SETUP_RESPONSE
:
2854 case WLAN_TDLS_SETUP_CONFIRM
:
2855 case WLAN_TDLS_TEARDOWN
:
2856 case WLAN_TDLS_DISCOVERY_REQUEST
:
2857 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2858 action_code
, dialog_token
,
2860 send_direct
= false;
2862 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2863 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2864 dialog_token
, status_code
,
2877 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2879 /* the TDLS link IE is always added last */
2880 switch (action_code
) {
2881 case WLAN_TDLS_SETUP_REQUEST
:
2882 case WLAN_TDLS_SETUP_CONFIRM
:
2883 case WLAN_TDLS_TEARDOWN
:
2884 case WLAN_TDLS_DISCOVERY_REQUEST
:
2885 /* we are the initiator */
2886 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2887 sdata
->u
.mgd
.bssid
);
2889 case WLAN_TDLS_SETUP_RESPONSE
:
2890 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2891 /* we are the responder */
2892 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2893 sdata
->u
.mgd
.bssid
);
2901 ieee80211_tx_skb(sdata
, skb
);
2906 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2907 * we should default to AC_VI.
2909 switch (action_code
) {
2910 case WLAN_TDLS_SETUP_REQUEST
:
2911 case WLAN_TDLS_SETUP_RESPONSE
:
2912 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
2916 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
2921 /* disable bottom halves when entering the Tx path */
2923 ret
= ieee80211_subif_start_xmit(skb
, dev
);
2933 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2934 u8
*peer
, enum nl80211_tdls_operation oper
)
2936 struct sta_info
*sta
;
2937 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2939 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2942 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2945 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
2948 case NL80211_TDLS_ENABLE_LINK
:
2950 sta
= sta_info_get(sdata
, peer
);
2956 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
2959 case NL80211_TDLS_DISABLE_LINK
:
2960 return sta_info_destroy_addr(sdata
, peer
);
2961 case NL80211_TDLS_TEARDOWN
:
2962 case NL80211_TDLS_SETUP
:
2963 case NL80211_TDLS_DISCOVERY_REQ
:
2964 /* We don't support in-driver setup/teardown/discovery */
2973 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
2974 const u8
*peer
, u64
*cookie
)
2976 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2977 struct ieee80211_local
*local
= sdata
->local
;
2978 struct ieee80211_qos_hdr
*nullfunc
;
2979 struct sk_buff
*skb
;
2980 int size
= sizeof(*nullfunc
);
2983 struct ieee80211_tx_info
*info
;
2984 struct sta_info
*sta
;
2987 sta
= sta_info_get(sdata
, peer
);
2989 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
2997 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2998 IEEE80211_STYPE_QOS_NULLFUNC
|
2999 IEEE80211_FCTL_FROMDS
);
3002 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3003 IEEE80211_STYPE_NULLFUNC
|
3004 IEEE80211_FCTL_FROMDS
);
3007 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3013 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3015 nullfunc
= (void *) skb_put(skb
, size
);
3016 nullfunc
->frame_control
= fc
;
3017 nullfunc
->duration_id
= 0;
3018 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3019 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3020 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3021 nullfunc
->seq_ctrl
= 0;
3023 info
= IEEE80211_SKB_CB(skb
);
3025 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3026 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3028 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3031 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3034 ieee80211_xmit(sdata
, skb
);
3037 *cookie
= (unsigned long) skb
;
3041 static struct ieee80211_channel
*
3042 ieee80211_cfg_get_channel(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3043 enum nl80211_channel_type
*type
)
3045 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3047 *type
= local
->_oper_channel_type
;
3048 return local
->oper_channel
;
3052 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3054 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3058 struct cfg80211_ops mac80211_config_ops
= {
3059 .add_virtual_intf
= ieee80211_add_iface
,
3060 .del_virtual_intf
= ieee80211_del_iface
,
3061 .change_virtual_intf
= ieee80211_change_iface
,
3062 .start_p2p_device
= ieee80211_start_p2p_device
,
3063 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3064 .add_key
= ieee80211_add_key
,
3065 .del_key
= ieee80211_del_key
,
3066 .get_key
= ieee80211_get_key
,
3067 .set_default_key
= ieee80211_config_default_key
,
3068 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3069 .start_ap
= ieee80211_start_ap
,
3070 .change_beacon
= ieee80211_change_beacon
,
3071 .stop_ap
= ieee80211_stop_ap
,
3072 .add_station
= ieee80211_add_station
,
3073 .del_station
= ieee80211_del_station
,
3074 .change_station
= ieee80211_change_station
,
3075 .get_station
= ieee80211_get_station
,
3076 .dump_station
= ieee80211_dump_station
,
3077 .dump_survey
= ieee80211_dump_survey
,
3078 #ifdef CONFIG_MAC80211_MESH
3079 .add_mpath
= ieee80211_add_mpath
,
3080 .del_mpath
= ieee80211_del_mpath
,
3081 .change_mpath
= ieee80211_change_mpath
,
3082 .get_mpath
= ieee80211_get_mpath
,
3083 .dump_mpath
= ieee80211_dump_mpath
,
3084 .update_mesh_config
= ieee80211_update_mesh_config
,
3085 .get_mesh_config
= ieee80211_get_mesh_config
,
3086 .join_mesh
= ieee80211_join_mesh
,
3087 .leave_mesh
= ieee80211_leave_mesh
,
3089 .change_bss
= ieee80211_change_bss
,
3090 .set_txq_params
= ieee80211_set_txq_params
,
3091 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3092 .suspend
= ieee80211_suspend
,
3093 .resume
= ieee80211_resume
,
3094 .scan
= ieee80211_scan
,
3095 .sched_scan_start
= ieee80211_sched_scan_start
,
3096 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3097 .auth
= ieee80211_auth
,
3098 .assoc
= ieee80211_assoc
,
3099 .deauth
= ieee80211_deauth
,
3100 .disassoc
= ieee80211_disassoc
,
3101 .join_ibss
= ieee80211_join_ibss
,
3102 .leave_ibss
= ieee80211_leave_ibss
,
3103 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3104 .set_tx_power
= ieee80211_set_tx_power
,
3105 .get_tx_power
= ieee80211_get_tx_power
,
3106 .set_wds_peer
= ieee80211_set_wds_peer
,
3107 .rfkill_poll
= ieee80211_rfkill_poll
,
3108 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3109 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3110 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3111 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3112 .remain_on_channel
= ieee80211_remain_on_channel
,
3113 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3114 .mgmt_tx
= ieee80211_mgmt_tx
,
3115 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3116 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3117 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3118 .set_antenna
= ieee80211_set_antenna
,
3119 .get_antenna
= ieee80211_get_antenna
,
3120 .set_ringparam
= ieee80211_set_ringparam
,
3121 .get_ringparam
= ieee80211_get_ringparam
,
3122 .set_rekey_data
= ieee80211_set_rekey_data
,
3123 .tdls_oper
= ieee80211_tdls_oper
,
3124 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3125 .probe_client
= ieee80211_probe_client
,
3126 .set_noack_map
= ieee80211_set_noack_map
,
3128 .set_wakeup
= ieee80211_set_wakeup
,
3130 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3131 .get_et_stats
= ieee80211_get_et_stats
,
3132 .get_et_strings
= ieee80211_get_et_strings
,
3133 .get_channel
= ieee80211_cfg_get_channel
,