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
, char *name
,
24 enum nl80211_iftype type
,
26 struct vif_params
*params
)
28 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
29 struct wireless_dev
*wdev
;
30 struct ieee80211_sub_if_data
*sdata
;
33 err
= ieee80211_if_add(local
, name
, &wdev
, type
, params
);
37 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
38 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
39 sdata
->u
.mntr_flags
= *flags
;
45 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
47 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev
));
52 static int ieee80211_change_iface(struct wiphy
*wiphy
,
53 struct net_device
*dev
,
54 enum nl80211_iftype type
, u32
*flags
,
55 struct vif_params
*params
)
57 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
60 ret
= ieee80211_if_change_type(sdata
, type
);
64 if (type
== NL80211_IFTYPE_AP_VLAN
&&
65 params
&& params
->use_4addr
== 0)
66 RCU_INIT_POINTER(sdata
->u
.vlan
.sta
, NULL
);
67 else if (type
== NL80211_IFTYPE_STATION
&&
68 params
&& params
->use_4addr
>= 0)
69 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
71 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
&& flags
) {
72 struct ieee80211_local
*local
= sdata
->local
;
74 if (ieee80211_sdata_running(sdata
)) {
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
83 if ((*flags
& MONITOR_FLAG_COOK_FRAMES
) !=
84 (sdata
->u
.mntr_flags
& MONITOR_FLAG_COOK_FRAMES
))
87 ieee80211_adjust_monitor_flags(sdata
, -1);
88 sdata
->u
.mntr_flags
= *flags
;
89 ieee80211_adjust_monitor_flags(sdata
, 1);
91 ieee80211_configure_filter(local
);
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
98 sdata
->u
.mntr_flags
= *flags
;
105 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
106 struct wireless_dev
*wdev
)
108 return ieee80211_do_open(wdev
, true);
111 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
112 struct wireless_dev
*wdev
)
114 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
117 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
118 struct net_device
*dev
,
121 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
123 sdata
->noack_map
= noack_map
;
127 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
128 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
129 struct key_params
*params
)
131 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
132 struct sta_info
*sta
= NULL
;
133 struct ieee80211_key
*key
;
136 if (!ieee80211_sdata_running(sdata
))
139 /* reject WEP and TKIP keys if WEP failed to initialize */
140 switch (params
->cipher
) {
141 case WLAN_CIPHER_SUITE_WEP40
:
142 case WLAN_CIPHER_SUITE_TKIP
:
143 case WLAN_CIPHER_SUITE_WEP104
:
144 if (IS_ERR(sdata
->local
->wep_tx_tfm
))
151 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
152 params
->key
, params
->seq_len
, params
->seq
);
157 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
159 mutex_lock(&sdata
->local
->sta_mtx
);
162 if (ieee80211_vif_is_mesh(&sdata
->vif
))
163 sta
= sta_info_get(sdata
, mac_addr
);
165 sta
= sta_info_get_bss(sdata
, mac_addr
);
167 ieee80211_key_free(sdata
->local
, key
);
173 err
= ieee80211_key_link(key
, sdata
, sta
);
175 ieee80211_key_free(sdata
->local
, key
);
178 mutex_unlock(&sdata
->local
->sta_mtx
);
183 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
184 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
186 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
187 struct ieee80211_local
*local
= sdata
->local
;
188 struct sta_info
*sta
;
189 struct ieee80211_key
*key
= NULL
;
192 mutex_lock(&local
->sta_mtx
);
193 mutex_lock(&local
->key_mtx
);
198 sta
= sta_info_get_bss(sdata
, mac_addr
);
203 key
= key_mtx_dereference(local
, sta
->ptk
);
205 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
207 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
214 __ieee80211_key_free(key
);
218 mutex_unlock(&local
->key_mtx
);
219 mutex_unlock(&local
->sta_mtx
);
224 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
225 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
227 void (*callback
)(void *cookie
,
228 struct key_params
*params
))
230 struct ieee80211_sub_if_data
*sdata
;
231 struct sta_info
*sta
= NULL
;
233 struct key_params params
;
234 struct ieee80211_key
*key
= NULL
;
240 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
245 sta
= sta_info_get_bss(sdata
, mac_addr
);
250 key
= rcu_dereference(sta
->ptk
);
251 else if (key_idx
< NUM_DEFAULT_KEYS
)
252 key
= rcu_dereference(sta
->gtk
[key_idx
]);
254 key
= rcu_dereference(sdata
->keys
[key_idx
]);
259 memset(¶ms
, 0, sizeof(params
));
261 params
.cipher
= key
->conf
.cipher
;
263 switch (key
->conf
.cipher
) {
264 case WLAN_CIPHER_SUITE_TKIP
:
265 iv32
= key
->u
.tkip
.tx
.iv32
;
266 iv16
= key
->u
.tkip
.tx
.iv16
;
268 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
269 drv_get_tkip_seq(sdata
->local
,
270 key
->conf
.hw_key_idx
,
273 seq
[0] = iv16
& 0xff;
274 seq
[1] = (iv16
>> 8) & 0xff;
275 seq
[2] = iv32
& 0xff;
276 seq
[3] = (iv32
>> 8) & 0xff;
277 seq
[4] = (iv32
>> 16) & 0xff;
278 seq
[5] = (iv32
>> 24) & 0xff;
282 case WLAN_CIPHER_SUITE_CCMP
:
283 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
293 case WLAN_CIPHER_SUITE_AES_CMAC
:
294 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
306 params
.key
= key
->conf
.key
;
307 params
.key_len
= key
->conf
.keylen
;
309 callback(cookie
, ¶ms
);
317 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
318 struct net_device
*dev
,
319 u8 key_idx
, bool uni
,
322 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
324 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
329 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
330 struct net_device
*dev
,
333 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
335 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
340 static void rate_idx_to_bitrate(struct rate_info
*rate
, struct sta_info
*sta
, int idx
)
342 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
)) {
343 struct ieee80211_supported_band
*sband
;
344 sband
= sta
->local
->hw
.wiphy
->bands
[
345 sta
->local
->oper_channel
->band
];
346 rate
->legacy
= sband
->bitrates
[idx
].bitrate
;
351 void sta_set_rate_info_tx(struct sta_info
*sta
,
352 const struct ieee80211_tx_rate
*rate
,
353 struct rate_info
*rinfo
)
356 if (rate
->flags
& IEEE80211_TX_RC_MCS
)
357 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
358 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
359 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
360 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
361 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
362 rate_idx_to_bitrate(rinfo
, sta
, rate
->idx
);
365 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
367 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
368 struct ieee80211_local
*local
= sdata
->local
;
369 struct timespec uptime
;
371 sinfo
->generation
= sdata
->local
->sta_generation
;
373 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
374 STATION_INFO_RX_BYTES
|
375 STATION_INFO_TX_BYTES
|
376 STATION_INFO_RX_PACKETS
|
377 STATION_INFO_TX_PACKETS
|
378 STATION_INFO_TX_RETRIES
|
379 STATION_INFO_TX_FAILED
|
380 STATION_INFO_TX_BITRATE
|
381 STATION_INFO_RX_BITRATE
|
382 STATION_INFO_RX_DROP_MISC
|
383 STATION_INFO_BSS_PARAM
|
384 STATION_INFO_CONNECTED_TIME
|
385 STATION_INFO_STA_FLAGS
|
386 STATION_INFO_BEACON_LOSS_COUNT
;
388 do_posix_clock_monotonic_gettime(&uptime
);
389 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
391 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
392 sinfo
->rx_bytes
= sta
->rx_bytes
;
393 sinfo
->tx_bytes
= sta
->tx_bytes
;
394 sinfo
->rx_packets
= sta
->rx_packets
;
395 sinfo
->tx_packets
= sta
->tx_packets
;
396 sinfo
->tx_retries
= sta
->tx_retry_count
;
397 sinfo
->tx_failed
= sta
->tx_retry_failed
;
398 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
399 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
401 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
402 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
403 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
404 if (!local
->ops
->get_rssi
||
405 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
406 sinfo
->signal
= (s8
)sta
->last_signal
;
407 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
410 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
412 sinfo
->rxrate
.flags
= 0;
413 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
414 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
415 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
416 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
417 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
418 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
419 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
421 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
422 #ifdef CONFIG_MAC80211_MESH
423 sinfo
->filled
|= STATION_INFO_LLID
|
425 STATION_INFO_PLINK_STATE
;
427 sinfo
->llid
= le16_to_cpu(sta
->llid
);
428 sinfo
->plid
= le16_to_cpu(sta
->plid
);
429 sinfo
->plink_state
= sta
->plink_state
;
430 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
431 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
432 sinfo
->t_offset
= sta
->t_offset
;
437 sinfo
->bss_param
.flags
= 0;
438 if (sdata
->vif
.bss_conf
.use_cts_prot
)
439 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
440 if (sdata
->vif
.bss_conf
.use_short_preamble
)
441 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
442 if (sdata
->vif
.bss_conf
.use_short_slot
)
443 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
444 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
445 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
447 sinfo
->sta_flags
.set
= 0;
448 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
449 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
450 BIT(NL80211_STA_FLAG_WME
) |
451 BIT(NL80211_STA_FLAG_MFP
) |
452 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
453 BIT(NL80211_STA_FLAG_TDLS_PEER
);
454 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
455 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
456 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
457 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
458 if (test_sta_flag(sta
, WLAN_STA_WME
))
459 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
460 if (test_sta_flag(sta
, WLAN_STA_MFP
))
461 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
462 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
463 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
464 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
465 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
468 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
469 "rx_packets", "rx_bytes", "wep_weak_iv_count",
470 "rx_duplicates", "rx_fragments", "rx_dropped",
471 "tx_packets", "tx_bytes", "tx_fragments",
472 "tx_filtered", "tx_retry_failed", "tx_retries",
473 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
474 "channel", "noise", "ch_time", "ch_time_busy",
475 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
477 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
479 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
480 struct net_device
*dev
,
483 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
486 if (sset
== ETH_SS_STATS
)
489 rv
+= drv_get_et_sset_count(sdata
, sset
);
496 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
497 struct net_device
*dev
,
498 struct ethtool_stats
*stats
,
501 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
502 struct sta_info
*sta
;
503 struct ieee80211_local
*local
= sdata
->local
;
504 struct station_info sinfo
;
505 struct survey_info survey
;
507 #define STA_STATS_SURVEY_LEN 7
509 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
511 #define ADD_STA_STATS(sta) \
513 data[i++] += sta->rx_packets; \
514 data[i++] += sta->rx_bytes; \
515 data[i++] += sta->wep_weak_iv_count; \
516 data[i++] += sta->num_duplicates; \
517 data[i++] += sta->rx_fragments; \
518 data[i++] += sta->rx_dropped; \
520 data[i++] += sta->tx_packets; \
521 data[i++] += sta->tx_bytes; \
522 data[i++] += sta->tx_fragments; \
523 data[i++] += sta->tx_filtered_count; \
524 data[i++] += sta->tx_retry_failed; \
525 data[i++] += sta->tx_retry_count; \
526 data[i++] += sta->beacon_loss_count; \
529 /* For Managed stations, find the single station based on BSSID
530 * and use that. For interface types, iterate through all available
531 * stations and add stats for any station that is assigned to this
535 mutex_lock(&local
->sta_mtx
);
537 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
538 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
540 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
546 data
[i
++] = sta
->sta_state
;
549 sta_set_sinfo(sta
, &sinfo
);
551 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
553 cfg80211_calculate_bitrate(&sinfo
.txrate
);
555 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
557 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
560 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
561 data
[i
] = (u8
)sinfo
.signal_avg
;
564 list_for_each_entry(sta
, &local
->sta_list
, list
) {
565 /* Make sure this station belongs to the proper dev */
566 if (sta
->sdata
->dev
!= dev
)
575 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
576 /* Get survey stats for current channel */
580 if (drv_get_survey(local
, q
, &survey
) != 0) {
585 if (survey
.channel
&&
586 (local
->oper_channel
->center_freq
==
587 survey
.channel
->center_freq
))
593 data
[i
++] = survey
.channel
->center_freq
;
596 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
597 data
[i
++] = (u8
)survey
.noise
;
600 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
601 data
[i
++] = survey
.channel_time
;
604 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
605 data
[i
++] = survey
.channel_time_busy
;
608 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
609 data
[i
++] = survey
.channel_time_ext_busy
;
612 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
613 data
[i
++] = survey
.channel_time_rx
;
616 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
617 data
[i
++] = survey
.channel_time_tx
;
621 mutex_unlock(&local
->sta_mtx
);
623 if (WARN_ON(i
!= STA_STATS_LEN
))
626 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
629 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
630 struct net_device
*dev
,
633 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
634 int sz_sta_stats
= 0;
636 if (sset
== ETH_SS_STATS
) {
637 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
638 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
640 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
643 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
644 int idx
, u8
*mac
, struct station_info
*sinfo
)
646 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
647 struct ieee80211_local
*local
= sdata
->local
;
648 struct sta_info
*sta
;
651 mutex_lock(&local
->sta_mtx
);
653 sta
= sta_info_get_by_idx(sdata
, idx
);
656 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
657 sta_set_sinfo(sta
, sinfo
);
660 mutex_unlock(&local
->sta_mtx
);
665 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
666 int idx
, struct survey_info
*survey
)
668 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
670 return drv_get_survey(local
, idx
, survey
);
673 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
674 u8
*mac
, struct station_info
*sinfo
)
676 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
677 struct ieee80211_local
*local
= sdata
->local
;
678 struct sta_info
*sta
;
681 mutex_lock(&local
->sta_mtx
);
683 sta
= sta_info_get_bss(sdata
, mac
);
686 sta_set_sinfo(sta
, sinfo
);
689 mutex_unlock(&local
->sta_mtx
);
694 static int ieee80211_set_channel(struct wiphy
*wiphy
,
695 struct net_device
*netdev
,
696 struct ieee80211_channel
*chan
,
697 enum nl80211_channel_type channel_type
)
699 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
700 struct ieee80211_sub_if_data
*sdata
= NULL
;
703 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
705 switch (ieee80211_get_channel_mode(local
, NULL
)) {
706 case CHAN_MODE_HOPPING
:
708 case CHAN_MODE_FIXED
:
709 if (local
->oper_channel
!= chan
||
710 (!sdata
&& local
->_oper_channel_type
!= channel_type
))
712 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
715 case CHAN_MODE_UNDEFINED
:
719 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
722 local
->oper_channel
= chan
;
724 /* auto-detects changes */
725 ieee80211_hw_config(local
, 0);
730 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
731 struct ieee80211_channel
*chan
,
732 enum nl80211_channel_type channel_type
)
734 return ieee80211_set_channel(wiphy
, NULL
, chan
, channel_type
);
737 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
738 const u8
*resp
, size_t resp_len
)
740 struct probe_resp
*new, *old
;
742 if (!resp
|| !resp_len
)
745 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
747 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
752 memcpy(new->data
, resp
, resp_len
);
754 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
756 kfree_rcu(old
, rcu_head
);
761 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
762 struct cfg80211_beacon_data
*params
)
764 struct beacon_data
*new, *old
;
765 int new_head_len
, new_tail_len
;
767 u32 changed
= BSS_CHANGED_BEACON
;
769 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
771 /* Need to have a beacon head if we don't have one yet */
772 if (!params
->head
&& !old
)
775 /* new or old head? */
777 new_head_len
= params
->head_len
;
779 new_head_len
= old
->head_len
;
781 /* new or old tail? */
782 if (params
->tail
|| !old
)
783 /* params->tail_len will be zero for !params->tail */
784 new_tail_len
= params
->tail_len
;
786 new_tail_len
= old
->tail_len
;
788 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
790 new = kzalloc(size
, GFP_KERNEL
);
794 /* start filling the new info now */
797 * pointers go into the block we allocated,
798 * memory is | beacon_data | head | tail |
800 new->head
= ((u8
*) new) + sizeof(*new);
801 new->tail
= new->head
+ new_head_len
;
802 new->head_len
= new_head_len
;
803 new->tail_len
= new_tail_len
;
807 memcpy(new->head
, params
->head
, new_head_len
);
809 memcpy(new->head
, old
->head
, new_head_len
);
811 /* copy in optional tail */
813 memcpy(new->tail
, params
->tail
, new_tail_len
);
816 memcpy(new->tail
, old
->tail
, new_tail_len
);
818 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
819 params
->probe_resp_len
);
823 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
825 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
828 kfree_rcu(old
, rcu_head
);
833 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
834 struct cfg80211_ap_settings
*params
)
836 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
837 struct beacon_data
*old
;
838 struct ieee80211_sub_if_data
*vlan
;
839 u32 changed
= BSS_CHANGED_BEACON_INT
|
840 BSS_CHANGED_BEACON_ENABLED
|
845 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
849 err
= ieee80211_set_channel(wiphy
, dev
, params
->channel
,
850 params
->channel_type
);
855 * Apply control port protocol, this allows us to
856 * not encrypt dynamic WEP control frames.
858 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
859 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
860 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
861 vlan
->control_port_protocol
=
862 params
->crypto
.control_port_ethertype
;
863 vlan
->control_port_no_encrypt
=
864 params
->crypto
.control_port_no_encrypt
;
867 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
868 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
870 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
871 if (params
->ssid_len
)
872 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
874 sdata
->vif
.bss_conf
.hidden_ssid
=
875 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
877 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
882 ieee80211_bss_info_change_notify(sdata
, changed
);
884 netif_carrier_on(dev
);
885 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
886 netif_carrier_on(vlan
->dev
);
891 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
892 struct cfg80211_beacon_data
*params
)
894 struct ieee80211_sub_if_data
*sdata
;
895 struct beacon_data
*old
;
898 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
900 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
904 err
= ieee80211_assign_beacon(sdata
, params
);
907 ieee80211_bss_info_change_notify(sdata
, err
);
911 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
913 struct ieee80211_sub_if_data
*sdata
, *vlan
;
914 struct beacon_data
*old
;
916 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
918 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
922 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
923 netif_carrier_off(vlan
->dev
);
924 netif_carrier_off(dev
);
926 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
928 kfree_rcu(old
, rcu_head
);
930 sta_info_flush(sdata
->local
, sdata
);
931 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
936 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
937 struct iapp_layer2_update
{
938 u8 da
[ETH_ALEN
]; /* broadcast */
939 u8 sa
[ETH_ALEN
]; /* STA addr */
947 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
949 struct iapp_layer2_update
*msg
;
952 /* Send Level 2 Update Frame to update forwarding tables in layer 2
955 skb
= dev_alloc_skb(sizeof(*msg
));
958 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
960 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
961 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
963 eth_broadcast_addr(msg
->da
);
964 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
967 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
968 msg
->control
= 0xaf; /* XID response lsb.1111F101.
969 * F=0 (no poll command; unsolicited frame) */
970 msg
->xid_info
[0] = 0x81; /* XID format identifier */
971 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
972 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
974 skb
->dev
= sta
->sdata
->dev
;
975 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
976 memset(skb
->cb
, 0, sizeof(skb
->cb
));
980 static int sta_apply_parameters(struct ieee80211_local
*local
,
981 struct sta_info
*sta
,
982 struct station_parameters
*params
)
987 struct ieee80211_supported_band
*sband
;
988 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
991 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
993 mask
= params
->sta_flags_mask
;
994 set
= params
->sta_flags_set
;
997 * In mesh mode, we can clear AUTHENTICATED flag but must
998 * also make ASSOCIATED follow appropriately for the driver
999 * API. See also below, after AUTHORIZED changes.
1001 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1002 /* cfg80211 should not allow this in non-mesh modes */
1003 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1006 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1007 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1008 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1011 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1017 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1018 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1019 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1020 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1021 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1026 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1027 /* cfg80211 should not allow this in non-mesh modes */
1028 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1031 if (!(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1032 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1033 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1036 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1043 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1044 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1045 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1047 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1050 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1051 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1052 set_sta_flag(sta
, WLAN_STA_WME
);
1053 sta
->sta
.wme
= true;
1055 clear_sta_flag(sta
, WLAN_STA_WME
);
1056 sta
->sta
.wme
= false;
1060 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1061 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1062 set_sta_flag(sta
, WLAN_STA_MFP
);
1064 clear_sta_flag(sta
, WLAN_STA_MFP
);
1067 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1068 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1069 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1071 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1074 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1075 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1076 sta
->sta
.max_sp
= params
->max_sp
;
1080 * cfg80211 validates this (1-2007) and allows setting the AID
1081 * only when creating a new station entry
1084 sta
->sta
.aid
= params
->aid
;
1087 * FIXME: updating the following information is racy when this
1088 * function is called from ieee80211_change_station().
1089 * However, all this information should be static so
1090 * maybe we should just reject attemps to change it.
1093 if (params
->listen_interval
>= 0)
1094 sta
->listen_interval
= params
->listen_interval
;
1096 if (params
->supported_rates
) {
1099 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1100 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1101 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1102 if (sband
->bitrates
[j
].bitrate
== rate
)
1106 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
1109 if (params
->ht_capa
)
1110 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1114 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1115 #ifdef CONFIG_MAC80211_MESH
1116 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
1117 switch (params
->plink_state
) {
1118 case NL80211_PLINK_LISTEN
:
1119 case NL80211_PLINK_ESTAB
:
1120 case NL80211_PLINK_BLOCKED
:
1121 sta
->plink_state
= params
->plink_state
;
1128 switch (params
->plink_action
) {
1129 case PLINK_ACTION_OPEN
:
1130 mesh_plink_open(sta
);
1132 case PLINK_ACTION_BLOCK
:
1133 mesh_plink_block(sta
);
1142 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1143 u8
*mac
, struct station_parameters
*params
)
1145 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1146 struct sta_info
*sta
;
1147 struct ieee80211_sub_if_data
*sdata
;
1152 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1154 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1155 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1158 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1160 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1163 if (is_multicast_ether_addr(mac
))
1166 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1170 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1171 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1173 err
= sta_apply_parameters(local
, sta
, params
);
1175 sta_info_free(local
, sta
);
1180 * for TDLS, rate control should be initialized only when supported
1183 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1184 rate_control_rate_init(sta
);
1186 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1187 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1189 err
= sta_info_insert_rcu(sta
);
1196 ieee80211_send_layer2_update(sta
);
1203 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1206 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1207 struct ieee80211_sub_if_data
*sdata
;
1209 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1212 return sta_info_destroy_addr_bss(sdata
, mac
);
1214 sta_info_flush(local
, sdata
);
1218 static int ieee80211_change_station(struct wiphy
*wiphy
,
1219 struct net_device
*dev
,
1221 struct station_parameters
*params
)
1223 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1224 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1225 struct sta_info
*sta
;
1226 struct ieee80211_sub_if_data
*vlansdata
;
1229 mutex_lock(&local
->sta_mtx
);
1231 sta
= sta_info_get_bss(sdata
, mac
);
1233 mutex_unlock(&local
->sta_mtx
);
1237 /* in station mode, supported rates are only valid with TDLS */
1238 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1239 params
->supported_rates
&&
1240 !test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1241 mutex_unlock(&local
->sta_mtx
);
1245 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1246 bool prev_4addr
= false;
1247 bool new_4addr
= false;
1249 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1251 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1252 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
1253 mutex_unlock(&local
->sta_mtx
);
1257 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1258 if (vlansdata
->u
.vlan
.sta
) {
1259 mutex_unlock(&local
->sta_mtx
);
1263 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1267 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1268 sta
->sdata
->u
.vlan
.sta
) {
1269 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1273 sta
->sdata
= vlansdata
;
1275 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1276 prev_4addr
!= new_4addr
) {
1278 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1280 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1283 ieee80211_send_layer2_update(sta
);
1286 err
= sta_apply_parameters(local
, sta
, params
);
1288 mutex_unlock(&local
->sta_mtx
);
1292 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
1293 rate_control_rate_init(sta
);
1295 mutex_unlock(&local
->sta_mtx
);
1297 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1298 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1299 ieee80211_recalc_ps(local
, -1);
1300 ieee80211_recalc_ps_vif(sdata
);
1305 #ifdef CONFIG_MAC80211_MESH
1306 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1307 u8
*dst
, u8
*next_hop
)
1309 struct ieee80211_sub_if_data
*sdata
;
1310 struct mesh_path
*mpath
;
1311 struct sta_info
*sta
;
1314 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1317 sta
= sta_info_get(sdata
, next_hop
);
1323 err
= mesh_path_add(dst
, sdata
);
1329 mpath
= mesh_path_lookup(dst
, sdata
);
1334 mesh_path_fix_nexthop(mpath
, sta
);
1340 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1343 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1346 return mesh_path_del(dst
, sdata
);
1348 mesh_path_flush_by_iface(sdata
);
1352 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1353 struct net_device
*dev
,
1354 u8
*dst
, u8
*next_hop
)
1356 struct ieee80211_sub_if_data
*sdata
;
1357 struct mesh_path
*mpath
;
1358 struct sta_info
*sta
;
1360 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1364 sta
= sta_info_get(sdata
, next_hop
);
1370 mpath
= mesh_path_lookup(dst
, sdata
);
1376 mesh_path_fix_nexthop(mpath
, sta
);
1382 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1383 struct mpath_info
*pinfo
)
1385 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1388 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1390 memset(next_hop
, 0, ETH_ALEN
);
1392 pinfo
->generation
= mesh_paths_generation
;
1394 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1397 MPATH_INFO_EXPTIME
|
1398 MPATH_INFO_DISCOVERY_TIMEOUT
|
1399 MPATH_INFO_DISCOVERY_RETRIES
|
1402 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1403 pinfo
->sn
= mpath
->sn
;
1404 pinfo
->metric
= mpath
->metric
;
1405 if (time_before(jiffies
, mpath
->exp_time
))
1406 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1407 pinfo
->discovery_timeout
=
1408 jiffies_to_msecs(mpath
->discovery_timeout
);
1409 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1411 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1412 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1413 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1414 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1415 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1416 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1417 if (mpath
->flags
& MESH_PATH_FIXED
)
1418 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1419 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1420 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1422 pinfo
->flags
= mpath
->flags
;
1425 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1426 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1429 struct ieee80211_sub_if_data
*sdata
;
1430 struct mesh_path
*mpath
;
1432 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1435 mpath
= mesh_path_lookup(dst
, sdata
);
1440 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1441 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1446 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1447 int idx
, u8
*dst
, u8
*next_hop
,
1448 struct mpath_info
*pinfo
)
1450 struct ieee80211_sub_if_data
*sdata
;
1451 struct mesh_path
*mpath
;
1453 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1456 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1461 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1462 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1467 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1468 struct net_device
*dev
,
1469 struct mesh_config
*conf
)
1471 struct ieee80211_sub_if_data
*sdata
;
1472 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1474 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1478 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1480 return (mask
>> (parm
-1)) & 0x1;
1483 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1484 const struct mesh_setup
*setup
)
1488 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1489 struct ieee80211_sub_if_data
, u
.mesh
);
1491 /* allocate information elements */
1495 if (setup
->ie_len
) {
1496 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1501 ifmsh
->ie_len
= setup
->ie_len
;
1505 /* now copy the rest of the setup parameters */
1506 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1507 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1508 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1509 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1510 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1511 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1512 if (setup
->is_authenticated
)
1513 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1514 if (setup
->is_secure
)
1515 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1517 /* mcast rate setting in Mesh Node */
1518 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1519 sizeof(setup
->mcast_rate
));
1524 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1525 struct net_device
*dev
, u32 mask
,
1526 const struct mesh_config
*nconf
)
1528 struct mesh_config
*conf
;
1529 struct ieee80211_sub_if_data
*sdata
;
1530 struct ieee80211_if_mesh
*ifmsh
;
1532 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1533 ifmsh
= &sdata
->u
.mesh
;
1535 /* Set the config options which we are interested in setting */
1536 conf
= &(sdata
->u
.mesh
.mshcfg
);
1537 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1538 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1539 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1540 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1541 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1542 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1543 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1544 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1545 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1546 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1547 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1548 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1549 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1550 conf
->element_ttl
= nconf
->element_ttl
;
1551 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1552 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1553 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1554 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1555 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1556 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1557 conf
->dot11MeshHWMPmaxPREQretries
=
1558 nconf
->dot11MeshHWMPmaxPREQretries
;
1559 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1560 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1561 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1562 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1563 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1564 conf
->dot11MeshHWMPactivePathTimeout
=
1565 nconf
->dot11MeshHWMPactivePathTimeout
;
1566 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1567 conf
->dot11MeshHWMPpreqMinInterval
=
1568 nconf
->dot11MeshHWMPpreqMinInterval
;
1569 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1570 conf
->dot11MeshHWMPperrMinInterval
=
1571 nconf
->dot11MeshHWMPperrMinInterval
;
1572 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1574 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1575 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1576 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1577 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1578 ieee80211_mesh_root_setup(ifmsh
);
1580 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1581 /* our current gate announcement implementation rides on root
1582 * announcements, so require this ifmsh to also be a root node
1584 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1585 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1586 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1587 ieee80211_mesh_root_setup(ifmsh
);
1589 conf
->dot11MeshGateAnnouncementProtocol
=
1590 nconf
->dot11MeshGateAnnouncementProtocol
;
1592 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1593 conf
->dot11MeshHWMPRannInterval
=
1594 nconf
->dot11MeshHWMPRannInterval
;
1595 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1596 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1597 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1598 /* our RSSI threshold implementation is supported only for
1599 * devices that report signal in dBm.
1601 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1603 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1605 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1606 conf
->ht_opmode
= nconf
->ht_opmode
;
1607 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1608 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1610 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1611 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1612 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1613 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1614 conf
->dot11MeshHWMProotInterval
=
1615 nconf
->dot11MeshHWMProotInterval
;
1616 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1617 conf
->dot11MeshHWMPconfirmationInterval
=
1618 nconf
->dot11MeshHWMPconfirmationInterval
;
1622 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1623 const struct mesh_config
*conf
,
1624 const struct mesh_setup
*setup
)
1626 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1627 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1630 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1631 err
= copy_mesh_setup(ifmsh
, setup
);
1635 err
= ieee80211_set_channel(wiphy
, dev
, setup
->channel
,
1636 setup
->channel_type
);
1640 ieee80211_start_mesh(sdata
);
1645 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1647 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1649 ieee80211_stop_mesh(sdata
);
1655 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1656 struct net_device
*dev
,
1657 struct bss_parameters
*params
)
1659 struct ieee80211_sub_if_data
*sdata
;
1662 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1664 if (params
->use_cts_prot
>= 0) {
1665 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1666 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1668 if (params
->use_short_preamble
>= 0) {
1669 sdata
->vif
.bss_conf
.use_short_preamble
=
1670 params
->use_short_preamble
;
1671 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1674 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1675 sdata
->local
->oper_channel
->band
== IEEE80211_BAND_5GHZ
) {
1676 sdata
->vif
.bss_conf
.use_short_slot
= true;
1677 changed
|= BSS_CHANGED_ERP_SLOT
;
1680 if (params
->use_short_slot_time
>= 0) {
1681 sdata
->vif
.bss_conf
.use_short_slot
=
1682 params
->use_short_slot_time
;
1683 changed
|= BSS_CHANGED_ERP_SLOT
;
1686 if (params
->basic_rates
) {
1689 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1690 struct ieee80211_supported_band
*sband
=
1691 wiphy
->bands
[local
->oper_channel
->band
];
1693 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1694 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1695 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1696 if (sband
->bitrates
[j
].bitrate
== rate
)
1700 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1701 changed
|= BSS_CHANGED_BASIC_RATES
;
1704 if (params
->ap_isolate
>= 0) {
1705 if (params
->ap_isolate
)
1706 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1708 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1711 if (params
->ht_opmode
>= 0) {
1712 sdata
->vif
.bss_conf
.ht_operation_mode
=
1713 (u16
) params
->ht_opmode
;
1714 changed
|= BSS_CHANGED_HT
;
1717 ieee80211_bss_info_change_notify(sdata
, changed
);
1722 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1723 struct net_device
*dev
,
1724 struct ieee80211_txq_params
*params
)
1726 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1727 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1728 struct ieee80211_tx_queue_params p
;
1730 if (!local
->ops
->conf_tx
)
1733 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1736 memset(&p
, 0, sizeof(p
));
1737 p
.aifs
= params
->aifs
;
1738 p
.cw_max
= params
->cwmax
;
1739 p
.cw_min
= params
->cwmin
;
1740 p
.txop
= params
->txop
;
1743 * Setting tx queue params disables u-apsd because it's only
1744 * called in master mode.
1748 sdata
->tx_conf
[params
->ac
] = p
;
1749 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1750 wiphy_debug(local
->hw
.wiphy
,
1751 "failed to set TX queue parameters for AC %d\n",
1756 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1762 static int ieee80211_suspend(struct wiphy
*wiphy
,
1763 struct cfg80211_wowlan
*wowlan
)
1765 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1768 static int ieee80211_resume(struct wiphy
*wiphy
)
1770 return __ieee80211_resume(wiphy_priv(wiphy
));
1773 #define ieee80211_suspend NULL
1774 #define ieee80211_resume NULL
1777 static int ieee80211_scan(struct wiphy
*wiphy
,
1778 struct cfg80211_scan_request
*req
)
1780 struct ieee80211_sub_if_data
*sdata
;
1782 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1784 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1785 case NL80211_IFTYPE_STATION
:
1786 case NL80211_IFTYPE_ADHOC
:
1787 case NL80211_IFTYPE_MESH_POINT
:
1788 case NL80211_IFTYPE_P2P_CLIENT
:
1789 case NL80211_IFTYPE_P2P_DEVICE
:
1791 case NL80211_IFTYPE_P2P_GO
:
1792 if (sdata
->local
->ops
->hw_scan
)
1795 * FIXME: implement NoA while scanning in software,
1796 * for now fall through to allow scanning only when
1797 * beaconing hasn't been configured yet
1799 case NL80211_IFTYPE_AP
:
1800 if (sdata
->u
.ap
.beacon
)
1807 return ieee80211_request_scan(sdata
, req
);
1811 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1812 struct net_device
*dev
,
1813 struct cfg80211_sched_scan_request
*req
)
1815 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1817 if (!sdata
->local
->ops
->sched_scan_start
)
1820 return ieee80211_request_sched_scan_start(sdata
, req
);
1824 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1826 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1828 if (!sdata
->local
->ops
->sched_scan_stop
)
1831 return ieee80211_request_sched_scan_stop(sdata
);
1834 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1835 struct cfg80211_auth_request
*req
)
1837 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1840 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1841 struct cfg80211_assoc_request
*req
)
1843 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1844 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1846 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1847 case CHAN_MODE_HOPPING
:
1849 case CHAN_MODE_FIXED
:
1850 if (local
->oper_channel
== req
->bss
->channel
)
1853 case CHAN_MODE_UNDEFINED
:
1857 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1860 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1861 struct cfg80211_deauth_request
*req
)
1863 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1866 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1867 struct cfg80211_disassoc_request
*req
)
1869 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1872 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1873 struct cfg80211_ibss_params
*params
)
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 (!params
->channel_fixed
)
1884 if (local
->oper_channel
== params
->channel
)
1887 case CHAN_MODE_UNDEFINED
:
1891 return ieee80211_ibss_join(sdata
, params
);
1894 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1896 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1898 return ieee80211_ibss_leave(sdata
);
1901 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1903 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1906 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1907 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1913 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1914 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1920 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1921 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1927 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1928 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1929 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1930 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1932 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1933 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1938 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1939 enum nl80211_tx_power_setting type
, int mbm
)
1941 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1942 struct ieee80211_channel
*chan
= local
->oper_channel
;
1946 case NL80211_TX_POWER_AUTOMATIC
:
1947 local
->user_power_level
= -1;
1949 case NL80211_TX_POWER_LIMITED
:
1950 if (mbm
< 0 || (mbm
% 100))
1952 local
->user_power_level
= MBM_TO_DBM(mbm
);
1954 case NL80211_TX_POWER_FIXED
:
1955 if (mbm
< 0 || (mbm
% 100))
1957 /* TODO: move to cfg80211 when it knows the channel */
1958 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1960 local
->user_power_level
= MBM_TO_DBM(mbm
);
1964 ieee80211_hw_config(local
, changes
);
1969 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1971 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1973 *dbm
= local
->hw
.conf
.power_level
;
1978 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1981 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1983 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1988 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1990 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1992 drv_rfkill_poll(local
);
1995 #ifdef CONFIG_NL80211_TESTMODE
1996 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1998 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2000 if (!local
->ops
->testmode_cmd
)
2003 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
2006 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2007 struct sk_buff
*skb
,
2008 struct netlink_callback
*cb
,
2009 void *data
, int len
)
2011 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2013 if (!local
->ops
->testmode_dump
)
2016 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2020 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
2021 enum ieee80211_smps_mode smps_mode
)
2024 enum ieee80211_smps_mode old_req
;
2027 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
2029 old_req
= sdata
->u
.mgd
.req_smps
;
2030 sdata
->u
.mgd
.req_smps
= smps_mode
;
2032 if (old_req
== smps_mode
&&
2033 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2037 * If not associated, or current association is not an HT
2038 * association, there's no need to send an action frame.
2040 if (!sdata
->u
.mgd
.associated
||
2041 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
2042 mutex_lock(&sdata
->local
->iflist_mtx
);
2043 ieee80211_recalc_smps(sdata
->local
);
2044 mutex_unlock(&sdata
->local
->iflist_mtx
);
2048 ap
= sdata
->u
.mgd
.associated
->bssid
;
2050 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2051 if (sdata
->u
.mgd
.powersave
)
2052 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2054 smps_mode
= IEEE80211_SMPS_OFF
;
2057 /* send SM PS frame to AP */
2058 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2061 sdata
->u
.mgd
.req_smps
= old_req
;
2066 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2067 bool enabled
, int timeout
)
2069 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2070 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2072 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2075 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2078 if (enabled
== sdata
->u
.mgd
.powersave
&&
2079 timeout
== local
->dynamic_ps_forced_timeout
)
2082 sdata
->u
.mgd
.powersave
= enabled
;
2083 local
->dynamic_ps_forced_timeout
= timeout
;
2085 /* no change, but if automatic follow powersave */
2086 mutex_lock(&sdata
->u
.mgd
.mtx
);
2087 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2088 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2090 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2091 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2093 ieee80211_recalc_ps(local
, -1);
2094 ieee80211_recalc_ps_vif(sdata
);
2099 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2100 struct net_device
*dev
,
2101 s32 rssi_thold
, u32 rssi_hyst
)
2103 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2104 struct ieee80211_vif
*vif
= &sdata
->vif
;
2105 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2107 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2108 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2111 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2112 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2114 /* tell the driver upon association, unless already associated */
2115 if (sdata
->u
.mgd
.associated
&&
2116 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2117 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2122 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2123 struct net_device
*dev
,
2125 const struct cfg80211_bitrate_mask
*mask
)
2127 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2128 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2131 if (!ieee80211_sdata_running(sdata
))
2134 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2135 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2140 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2141 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2142 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2143 sizeof(mask
->control
[i
].mcs
));
2149 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2150 struct ieee80211_sub_if_data
*sdata
,
2151 struct ieee80211_channel
*channel
,
2152 enum nl80211_channel_type channel_type
,
2153 unsigned int duration
, u64
*cookie
,
2154 struct sk_buff
*txskb
)
2156 struct ieee80211_roc_work
*roc
, *tmp
;
2157 bool queued
= false;
2160 lockdep_assert_held(&local
->mtx
);
2162 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2166 roc
->chan
= channel
;
2167 roc
->chan_type
= channel_type
;
2168 roc
->duration
= duration
;
2169 roc
->req_duration
= duration
;
2171 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2173 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2174 INIT_LIST_HEAD(&roc
->dependents
);
2176 /* if there's one pending or we're scanning, queue this one */
2177 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2178 goto out_check_combine
;
2180 /* if not HW assist, just queue & schedule work */
2181 if (!local
->ops
->remain_on_channel
) {
2182 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2186 /* otherwise actually kick it off here (for error handling) */
2189 * If the duration is zero, then the driver
2190 * wouldn't actually do anything. Set it to
2193 * TODO: cancel the off-channel operation
2194 * when we get the SKB's TX status and
2195 * the wait time was zero before.
2200 ret
= drv_remain_on_channel(local
, channel
, channel_type
, duration
);
2206 roc
->started
= true;
2210 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2211 if (tmp
->chan
!= channel
|| tmp
->chan_type
!= channel_type
)
2215 * Extend this ROC if possible:
2217 * If it hasn't started yet, just increase the duration
2218 * and add the new one to the list of dependents.
2220 if (!tmp
->started
) {
2221 list_add_tail(&roc
->list
, &tmp
->dependents
);
2222 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2227 /* If it has already started, it's more difficult ... */
2228 if (local
->ops
->remain_on_channel
) {
2229 unsigned long j
= jiffies
;
2232 * In the offloaded ROC case, if it hasn't begun, add
2233 * this new one to the dependent list to be handled
2234 * when the the master one begins. If it has begun,
2235 * check that there's still a minimum time left and
2236 * if so, start this one, transmitting the frame, but
2237 * add it to the list directly after this one with a
2238 * a reduced time so we'll ask the driver to execute
2239 * it right after finishing the previous one, in the
2240 * hope that it'll also be executed right afterwards,
2241 * effectively extending the old one.
2242 * If there's no minimum time left, just add it to the
2245 if (!tmp
->hw_begun
) {
2246 list_add_tail(&roc
->list
, &tmp
->dependents
);
2251 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2252 tmp
->hw_start_time
+
2253 msecs_to_jiffies(tmp
->duration
))) {
2256 ieee80211_handle_roc_started(roc
);
2258 new_dur
= roc
->duration
-
2259 jiffies_to_msecs(tmp
->hw_start_time
+
2265 /* add right after tmp */
2266 list_add(&roc
->list
, &tmp
->list
);
2268 list_add_tail(&roc
->list
,
2273 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2274 unsigned long new_end
;
2277 * In the software ROC case, cancel the timer, if
2278 * that fails then the finish work is already
2279 * queued/pending and thus we queue the new ROC
2280 * normally, if that succeeds then we can extend
2281 * the timer duration and TX the frame (if any.)
2284 list_add_tail(&roc
->list
, &tmp
->dependents
);
2287 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2289 /* ok, it was started & we canceled timer */
2290 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2291 mod_timer(&tmp
->work
.timer
, new_end
);
2293 add_timer(&tmp
->work
.timer
);
2295 ieee80211_handle_roc_started(roc
);
2302 list_add_tail(&roc
->list
, &local
->roc_list
);
2305 * cookie is either the roc (for normal roc)
2306 * or the SKB (for mgmt TX)
2309 *cookie
= (unsigned long)txskb
;
2311 *cookie
= (unsigned long)roc
;
2316 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2317 struct wireless_dev
*wdev
,
2318 struct ieee80211_channel
*chan
,
2319 enum nl80211_channel_type channel_type
,
2320 unsigned int duration
,
2323 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2324 struct ieee80211_local
*local
= sdata
->local
;
2327 mutex_lock(&local
->mtx
);
2328 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2329 duration
, cookie
, NULL
);
2330 mutex_unlock(&local
->mtx
);
2335 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2336 u64 cookie
, bool mgmt_tx
)
2338 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2341 mutex_lock(&local
->mtx
);
2342 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2343 struct ieee80211_roc_work
*dep
, *tmp2
;
2345 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2346 if (!mgmt_tx
&& (unsigned long)dep
!= cookie
)
2348 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2350 /* found dependent item -- just remove it */
2351 list_del(&dep
->list
);
2352 mutex_unlock(&local
->mtx
);
2354 ieee80211_roc_notify_destroy(dep
);
2358 if (!mgmt_tx
&& (unsigned long)roc
!= cookie
)
2360 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2368 mutex_unlock(&local
->mtx
);
2373 * We found the item to cancel, so do that. Note that it
2374 * may have dependents, which we also cancel (and send
2375 * the expired signal for.) Not doing so would be quite
2376 * tricky here, but we may need to fix it later.
2379 if (local
->ops
->remain_on_channel
) {
2380 if (found
->started
) {
2381 ret
= drv_cancel_remain_on_channel(local
);
2382 if (WARN_ON_ONCE(ret
)) {
2383 mutex_unlock(&local
->mtx
);
2388 list_del(&found
->list
);
2391 ieee80211_start_next_roc(local
);
2392 mutex_unlock(&local
->mtx
);
2394 ieee80211_roc_notify_destroy(found
);
2396 /* work may be pending so use it all the time */
2397 found
->abort
= true;
2398 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2400 mutex_unlock(&local
->mtx
);
2402 /* work will clean up etc */
2403 flush_delayed_work(&found
->work
);
2409 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2410 struct wireless_dev
*wdev
,
2413 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2414 struct ieee80211_local
*local
= sdata
->local
;
2416 return ieee80211_cancel_roc(local
, cookie
, false);
2419 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2420 struct ieee80211_channel
*chan
, bool offchan
,
2421 enum nl80211_channel_type channel_type
,
2422 bool channel_type_valid
, unsigned int wait
,
2423 const u8
*buf
, size_t len
, bool no_cck
,
2424 bool dont_wait_for_ack
, u64
*cookie
)
2426 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2427 struct ieee80211_local
*local
= sdata
->local
;
2428 struct sk_buff
*skb
;
2429 struct sta_info
*sta
;
2430 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2431 bool need_offchan
= false;
2435 if (dont_wait_for_ack
)
2436 flags
= IEEE80211_TX_CTL_NO_ACK
;
2438 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2439 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2442 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2444 switch (sdata
->vif
.type
) {
2445 case NL80211_IFTYPE_ADHOC
:
2446 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2447 need_offchan
= true;
2449 #ifdef CONFIG_MAC80211_MESH
2450 case NL80211_IFTYPE_MESH_POINT
:
2451 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
2452 !sdata
->u
.mesh
.mesh_id_len
)
2453 need_offchan
= true;
2456 case NL80211_IFTYPE_AP
:
2457 case NL80211_IFTYPE_AP_VLAN
:
2458 case NL80211_IFTYPE_P2P_GO
:
2459 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
2460 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
2461 !rcu_access_pointer(sdata
->bss
->beacon
))
2462 need_offchan
= true;
2463 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2464 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2467 sta
= sta_info_get(sdata
, mgmt
->da
);
2472 case NL80211_IFTYPE_STATION
:
2473 case NL80211_IFTYPE_P2P_CLIENT
:
2474 if (!sdata
->u
.mgd
.associated
)
2475 need_offchan
= true;
2477 case NL80211_IFTYPE_P2P_DEVICE
:
2478 need_offchan
= true;
2484 mutex_lock(&local
->mtx
);
2486 /* Check if the operating channel is the requested channel */
2487 if (!need_offchan
) {
2488 need_offchan
= chan
!= local
->oper_channel
;
2489 if (channel_type_valid
&&
2490 channel_type
!= local
->_oper_channel_type
)
2491 need_offchan
= true;
2494 if (need_offchan
&& !offchan
) {
2499 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2504 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2506 memcpy(skb_put(skb
, len
), buf
, len
);
2508 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2510 skb
->dev
= sdata
->dev
;
2512 if (!need_offchan
) {
2513 *cookie
= (unsigned long) skb
;
2514 ieee80211_tx_skb(sdata
, skb
);
2519 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2520 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2521 IEEE80211_SKB_CB(skb
)->hw_queue
=
2522 local
->hw
.offchannel_tx_hw_queue
;
2524 /* This will handle all kinds of coalescing and immediate TX */
2525 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2530 mutex_unlock(&local
->mtx
);
2534 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2535 struct wireless_dev
*wdev
,
2538 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2540 return ieee80211_cancel_roc(local
, cookie
, true);
2543 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2544 struct wireless_dev
*wdev
,
2545 u16 frame_type
, bool reg
)
2547 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2548 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2550 switch (frame_type
) {
2551 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
:
2552 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
2553 struct ieee80211_if_ibss
*ifibss
= &sdata
->u
.ibss
;
2556 ifibss
->auth_frame_registrations
++;
2558 ifibss
->auth_frame_registrations
--;
2561 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
2563 local
->probe_req_reg
++;
2565 local
->probe_req_reg
--;
2567 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2574 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2576 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2581 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2584 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2586 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2588 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2591 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2593 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2595 return drv_set_ringparam(local
, tx
, rx
);
2598 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2599 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2601 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2603 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2606 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2607 struct net_device
*dev
,
2608 struct cfg80211_gtk_rekey_data
*data
)
2610 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2611 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2613 if (!local
->ops
->set_rekey_data
)
2616 drv_set_rekey_data(local
, sdata
, data
);
2621 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2623 u8
*pos
= (void *)skb_put(skb
, 7);
2625 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2626 *pos
++ = 5; /* len */
2631 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2634 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2636 struct ieee80211_local
*local
= sdata
->local
;
2640 if (local
->oper_channel
->band
!= IEEE80211_BAND_2GHZ
)
2643 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2644 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2645 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2646 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2651 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2652 u8
*peer
, u8
*bssid
)
2654 struct ieee80211_tdls_lnkie
*lnkid
;
2656 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2658 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2659 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2661 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2662 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2663 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2667 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2668 u8
*peer
, u8 action_code
, u8 dialog_token
,
2669 u16 status_code
, struct sk_buff
*skb
)
2671 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2672 struct ieee80211_local
*local
= sdata
->local
;
2673 struct ieee80211_tdls_data
*tf
;
2675 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2677 memcpy(tf
->da
, peer
, ETH_ALEN
);
2678 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2679 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2680 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2682 switch (action_code
) {
2683 case WLAN_TDLS_SETUP_REQUEST
:
2684 tf
->category
= WLAN_CATEGORY_TDLS
;
2685 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2687 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2688 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2689 tf
->u
.setup_req
.capability
=
2690 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2692 ieee80211_add_srates_ie(sdata
, skb
, false,
2693 local
->oper_channel
->band
);
2694 ieee80211_add_ext_srates_ie(sdata
, skb
, false,
2695 local
->oper_channel
->band
);
2696 ieee80211_tdls_add_ext_capab(skb
);
2698 case WLAN_TDLS_SETUP_RESPONSE
:
2699 tf
->category
= WLAN_CATEGORY_TDLS
;
2700 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2702 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2703 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2704 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2705 tf
->u
.setup_resp
.capability
=
2706 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2708 ieee80211_add_srates_ie(sdata
, skb
, false,
2709 local
->oper_channel
->band
);
2710 ieee80211_add_ext_srates_ie(sdata
, skb
, false,
2711 local
->oper_channel
->band
);
2712 ieee80211_tdls_add_ext_capab(skb
);
2714 case WLAN_TDLS_SETUP_CONFIRM
:
2715 tf
->category
= WLAN_CATEGORY_TDLS
;
2716 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2718 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2719 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2720 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2722 case WLAN_TDLS_TEARDOWN
:
2723 tf
->category
= WLAN_CATEGORY_TDLS
;
2724 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2726 skb_put(skb
, sizeof(tf
->u
.teardown
));
2727 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2729 case WLAN_TDLS_DISCOVERY_REQUEST
:
2730 tf
->category
= WLAN_CATEGORY_TDLS
;
2731 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2733 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2734 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2744 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2745 u8
*peer
, u8 action_code
, u8 dialog_token
,
2746 u16 status_code
, struct sk_buff
*skb
)
2748 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2749 struct ieee80211_local
*local
= sdata
->local
;
2750 struct ieee80211_mgmt
*mgmt
;
2752 mgmt
= (void *)skb_put(skb
, 24);
2753 memset(mgmt
, 0, 24);
2754 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2755 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2756 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2758 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2759 IEEE80211_STYPE_ACTION
);
2761 switch (action_code
) {
2762 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2763 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2764 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2765 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2766 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2767 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2769 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2770 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2772 ieee80211_add_srates_ie(sdata
, skb
, false,
2773 local
->oper_channel
->band
);
2774 ieee80211_add_ext_srates_ie(sdata
, skb
, false,
2775 local
->oper_channel
->band
);
2776 ieee80211_tdls_add_ext_capab(skb
);
2785 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2786 u8
*peer
, u8 action_code
, u8 dialog_token
,
2787 u16 status_code
, const u8
*extra_ies
,
2788 size_t extra_ies_len
)
2790 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2791 struct ieee80211_local
*local
= sdata
->local
;
2792 struct ieee80211_tx_info
*info
;
2793 struct sk_buff
*skb
= NULL
;
2797 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2800 /* make sure we are in managed mode, and associated */
2801 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2802 !sdata
->u
.mgd
.associated
)
2805 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
2808 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2809 max(sizeof(struct ieee80211_mgmt
),
2810 sizeof(struct ieee80211_tdls_data
)) +
2811 50 + /* supported rates */
2814 sizeof(struct ieee80211_tdls_lnkie
));
2818 info
= IEEE80211_SKB_CB(skb
);
2819 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2821 switch (action_code
) {
2822 case WLAN_TDLS_SETUP_REQUEST
:
2823 case WLAN_TDLS_SETUP_RESPONSE
:
2824 case WLAN_TDLS_SETUP_CONFIRM
:
2825 case WLAN_TDLS_TEARDOWN
:
2826 case WLAN_TDLS_DISCOVERY_REQUEST
:
2827 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2828 action_code
, dialog_token
,
2830 send_direct
= false;
2832 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2833 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2834 dialog_token
, status_code
,
2847 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2849 /* the TDLS link IE is always added last */
2850 switch (action_code
) {
2851 case WLAN_TDLS_SETUP_REQUEST
:
2852 case WLAN_TDLS_SETUP_CONFIRM
:
2853 case WLAN_TDLS_TEARDOWN
:
2854 case WLAN_TDLS_DISCOVERY_REQUEST
:
2855 /* we are the initiator */
2856 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2857 sdata
->u
.mgd
.bssid
);
2859 case WLAN_TDLS_SETUP_RESPONSE
:
2860 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2861 /* we are the responder */
2862 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2863 sdata
->u
.mgd
.bssid
);
2871 ieee80211_tx_skb(sdata
, skb
);
2876 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2877 * we should default to AC_VI.
2879 switch (action_code
) {
2880 case WLAN_TDLS_SETUP_REQUEST
:
2881 case WLAN_TDLS_SETUP_RESPONSE
:
2882 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
2886 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
2891 /* disable bottom halves when entering the Tx path */
2893 ret
= ieee80211_subif_start_xmit(skb
, dev
);
2903 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2904 u8
*peer
, enum nl80211_tdls_operation oper
)
2906 struct sta_info
*sta
;
2907 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2909 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2912 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2915 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
2918 case NL80211_TDLS_ENABLE_LINK
:
2920 sta
= sta_info_get(sdata
, peer
);
2926 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
2929 case NL80211_TDLS_DISABLE_LINK
:
2930 return sta_info_destroy_addr(sdata
, peer
);
2931 case NL80211_TDLS_TEARDOWN
:
2932 case NL80211_TDLS_SETUP
:
2933 case NL80211_TDLS_DISCOVERY_REQ
:
2934 /* We don't support in-driver setup/teardown/discovery */
2943 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
2944 const u8
*peer
, u64
*cookie
)
2946 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2947 struct ieee80211_local
*local
= sdata
->local
;
2948 struct ieee80211_qos_hdr
*nullfunc
;
2949 struct sk_buff
*skb
;
2950 int size
= sizeof(*nullfunc
);
2953 struct ieee80211_tx_info
*info
;
2954 struct sta_info
*sta
;
2957 sta
= sta_info_get(sdata
, peer
);
2959 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
2967 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2968 IEEE80211_STYPE_QOS_NULLFUNC
|
2969 IEEE80211_FCTL_FROMDS
);
2972 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2973 IEEE80211_STYPE_NULLFUNC
|
2974 IEEE80211_FCTL_FROMDS
);
2977 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
2983 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2985 nullfunc
= (void *) skb_put(skb
, size
);
2986 nullfunc
->frame_control
= fc
;
2987 nullfunc
->duration_id
= 0;
2988 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
2989 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
2990 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
2991 nullfunc
->seq_ctrl
= 0;
2993 info
= IEEE80211_SKB_CB(skb
);
2995 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
2996 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
2998 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3001 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3004 ieee80211_xmit(sdata
, skb
);
3007 *cookie
= (unsigned long) skb
;
3011 static struct ieee80211_channel
*
3012 ieee80211_cfg_get_channel(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3013 enum nl80211_channel_type
*type
)
3015 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3017 *type
= local
->_oper_channel_type
;
3018 return local
->oper_channel
;
3022 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3024 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3028 struct cfg80211_ops mac80211_config_ops
= {
3029 .add_virtual_intf
= ieee80211_add_iface
,
3030 .del_virtual_intf
= ieee80211_del_iface
,
3031 .change_virtual_intf
= ieee80211_change_iface
,
3032 .start_p2p_device
= ieee80211_start_p2p_device
,
3033 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3034 .add_key
= ieee80211_add_key
,
3035 .del_key
= ieee80211_del_key
,
3036 .get_key
= ieee80211_get_key
,
3037 .set_default_key
= ieee80211_config_default_key
,
3038 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3039 .start_ap
= ieee80211_start_ap
,
3040 .change_beacon
= ieee80211_change_beacon
,
3041 .stop_ap
= ieee80211_stop_ap
,
3042 .add_station
= ieee80211_add_station
,
3043 .del_station
= ieee80211_del_station
,
3044 .change_station
= ieee80211_change_station
,
3045 .get_station
= ieee80211_get_station
,
3046 .dump_station
= ieee80211_dump_station
,
3047 .dump_survey
= ieee80211_dump_survey
,
3048 #ifdef CONFIG_MAC80211_MESH
3049 .add_mpath
= ieee80211_add_mpath
,
3050 .del_mpath
= ieee80211_del_mpath
,
3051 .change_mpath
= ieee80211_change_mpath
,
3052 .get_mpath
= ieee80211_get_mpath
,
3053 .dump_mpath
= ieee80211_dump_mpath
,
3054 .update_mesh_config
= ieee80211_update_mesh_config
,
3055 .get_mesh_config
= ieee80211_get_mesh_config
,
3056 .join_mesh
= ieee80211_join_mesh
,
3057 .leave_mesh
= ieee80211_leave_mesh
,
3059 .change_bss
= ieee80211_change_bss
,
3060 .set_txq_params
= ieee80211_set_txq_params
,
3061 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3062 .suspend
= ieee80211_suspend
,
3063 .resume
= ieee80211_resume
,
3064 .scan
= ieee80211_scan
,
3065 .sched_scan_start
= ieee80211_sched_scan_start
,
3066 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3067 .auth
= ieee80211_auth
,
3068 .assoc
= ieee80211_assoc
,
3069 .deauth
= ieee80211_deauth
,
3070 .disassoc
= ieee80211_disassoc
,
3071 .join_ibss
= ieee80211_join_ibss
,
3072 .leave_ibss
= ieee80211_leave_ibss
,
3073 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3074 .set_tx_power
= ieee80211_set_tx_power
,
3075 .get_tx_power
= ieee80211_get_tx_power
,
3076 .set_wds_peer
= ieee80211_set_wds_peer
,
3077 .rfkill_poll
= ieee80211_rfkill_poll
,
3078 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3079 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3080 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3081 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3082 .remain_on_channel
= ieee80211_remain_on_channel
,
3083 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3084 .mgmt_tx
= ieee80211_mgmt_tx
,
3085 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3086 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3087 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3088 .set_antenna
= ieee80211_set_antenna
,
3089 .get_antenna
= ieee80211_get_antenna
,
3090 .set_ringparam
= ieee80211_set_ringparam
,
3091 .get_ringparam
= ieee80211_get_ringparam
,
3092 .set_rekey_data
= ieee80211_set_rekey_data
,
3093 .tdls_oper
= ieee80211_tdls_oper
,
3094 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3095 .probe_client
= ieee80211_probe_client
,
3096 .set_noack_map
= ieee80211_set_noack_map
,
3098 .set_wakeup
= ieee80211_set_wakeup
,
3100 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3101 .get_et_stats
= ieee80211_get_et_stats
,
3102 .get_et_strings
= ieee80211_get_et_strings
,
3103 .get_channel
= ieee80211_cfg_get_channel
,