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 net_device
*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 net_device
*dev
;
30 struct ieee80211_sub_if_data
*sdata
;
33 err
= ieee80211_if_add(local
, name
, &dev
, type
, params
);
37 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
38 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
39 sdata
->u
.mntr_flags
= *flags
;
45 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct net_device
*dev
)
47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev
));
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_set_noack_map(struct wiphy
*wiphy
,
106 struct net_device
*dev
,
109 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
111 sdata
->noack_map
= noack_map
;
115 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
116 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
117 struct key_params
*params
)
119 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
120 struct sta_info
*sta
= NULL
;
121 struct ieee80211_key
*key
;
124 if (!ieee80211_sdata_running(sdata
))
127 /* reject WEP and TKIP keys if WEP failed to initialize */
128 switch (params
->cipher
) {
129 case WLAN_CIPHER_SUITE_WEP40
:
130 case WLAN_CIPHER_SUITE_TKIP
:
131 case WLAN_CIPHER_SUITE_WEP104
:
132 if (IS_ERR(sdata
->local
->wep_tx_tfm
))
139 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
140 params
->key
, params
->seq_len
, params
->seq
);
145 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
147 mutex_lock(&sdata
->local
->sta_mtx
);
150 if (ieee80211_vif_is_mesh(&sdata
->vif
))
151 sta
= sta_info_get(sdata
, mac_addr
);
153 sta
= sta_info_get_bss(sdata
, mac_addr
);
155 ieee80211_key_free(sdata
->local
, key
);
161 err
= ieee80211_key_link(key
, sdata
, sta
);
163 ieee80211_key_free(sdata
->local
, key
);
166 mutex_unlock(&sdata
->local
->sta_mtx
);
171 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
172 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
174 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
175 struct ieee80211_local
*local
= sdata
->local
;
176 struct sta_info
*sta
;
177 struct ieee80211_key
*key
= NULL
;
180 mutex_lock(&local
->sta_mtx
);
181 mutex_lock(&local
->key_mtx
);
186 sta
= sta_info_get_bss(sdata
, mac_addr
);
191 key
= key_mtx_dereference(local
, sta
->ptk
);
193 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
195 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
202 __ieee80211_key_free(key
);
206 mutex_unlock(&local
->key_mtx
);
207 mutex_unlock(&local
->sta_mtx
);
212 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
213 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
215 void (*callback
)(void *cookie
,
216 struct key_params
*params
))
218 struct ieee80211_sub_if_data
*sdata
;
219 struct sta_info
*sta
= NULL
;
221 struct key_params params
;
222 struct ieee80211_key
*key
= NULL
;
228 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
233 sta
= sta_info_get_bss(sdata
, mac_addr
);
238 key
= rcu_dereference(sta
->ptk
);
239 else if (key_idx
< NUM_DEFAULT_KEYS
)
240 key
= rcu_dereference(sta
->gtk
[key_idx
]);
242 key
= rcu_dereference(sdata
->keys
[key_idx
]);
247 memset(¶ms
, 0, sizeof(params
));
249 params
.cipher
= key
->conf
.cipher
;
251 switch (key
->conf
.cipher
) {
252 case WLAN_CIPHER_SUITE_TKIP
:
253 iv32
= key
->u
.tkip
.tx
.iv32
;
254 iv16
= key
->u
.tkip
.tx
.iv16
;
256 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
257 drv_get_tkip_seq(sdata
->local
,
258 key
->conf
.hw_key_idx
,
261 seq
[0] = iv16
& 0xff;
262 seq
[1] = (iv16
>> 8) & 0xff;
263 seq
[2] = iv32
& 0xff;
264 seq
[3] = (iv32
>> 8) & 0xff;
265 seq
[4] = (iv32
>> 16) & 0xff;
266 seq
[5] = (iv32
>> 24) & 0xff;
270 case WLAN_CIPHER_SUITE_CCMP
:
271 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
281 case WLAN_CIPHER_SUITE_AES_CMAC
:
282 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
294 params
.key
= key
->conf
.key
;
295 params
.key_len
= key
->conf
.keylen
;
297 callback(cookie
, ¶ms
);
305 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
306 struct net_device
*dev
,
307 u8 key_idx
, bool uni
,
310 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
312 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
317 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
318 struct net_device
*dev
,
321 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
323 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
328 static void rate_idx_to_bitrate(struct rate_info
*rate
, struct sta_info
*sta
, int idx
)
330 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
)) {
331 struct ieee80211_supported_band
*sband
;
332 sband
= sta
->local
->hw
.wiphy
->bands
[
333 sta
->local
->hw
.conf
.channel
->band
];
334 rate
->legacy
= sband
->bitrates
[idx
].bitrate
;
339 void sta_set_rate_info_tx(struct sta_info
*sta
,
340 const struct ieee80211_tx_rate
*rate
,
341 struct rate_info
*rinfo
)
344 if (rate
->flags
& IEEE80211_TX_RC_MCS
)
345 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
346 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
347 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
348 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
349 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
350 rate_idx_to_bitrate(rinfo
, sta
, rate
->idx
);
353 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
355 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
356 struct timespec uptime
;
358 sinfo
->generation
= sdata
->local
->sta_generation
;
360 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
361 STATION_INFO_RX_BYTES
|
362 STATION_INFO_TX_BYTES
|
363 STATION_INFO_RX_PACKETS
|
364 STATION_INFO_TX_PACKETS
|
365 STATION_INFO_TX_RETRIES
|
366 STATION_INFO_TX_FAILED
|
367 STATION_INFO_TX_BITRATE
|
368 STATION_INFO_RX_BITRATE
|
369 STATION_INFO_RX_DROP_MISC
|
370 STATION_INFO_BSS_PARAM
|
371 STATION_INFO_CONNECTED_TIME
|
372 STATION_INFO_STA_FLAGS
|
373 STATION_INFO_BEACON_LOSS_COUNT
;
375 do_posix_clock_monotonic_gettime(&uptime
);
376 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
378 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
379 sinfo
->rx_bytes
= sta
->rx_bytes
;
380 sinfo
->tx_bytes
= sta
->tx_bytes
;
381 sinfo
->rx_packets
= sta
->rx_packets
;
382 sinfo
->tx_packets
= sta
->tx_packets
;
383 sinfo
->tx_retries
= sta
->tx_retry_count
;
384 sinfo
->tx_failed
= sta
->tx_retry_failed
;
385 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
386 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
388 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
389 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
390 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
391 sinfo
->signal
= (s8
)sta
->last_signal
;
392 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
395 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
397 sinfo
->rxrate
.flags
= 0;
398 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
399 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
400 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
401 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
402 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
403 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
404 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
406 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
407 #ifdef CONFIG_MAC80211_MESH
408 sinfo
->filled
|= STATION_INFO_LLID
|
410 STATION_INFO_PLINK_STATE
;
412 sinfo
->llid
= le16_to_cpu(sta
->llid
);
413 sinfo
->plid
= le16_to_cpu(sta
->plid
);
414 sinfo
->plink_state
= sta
->plink_state
;
415 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
416 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
417 sinfo
->t_offset
= sta
->t_offset
;
422 sinfo
->bss_param
.flags
= 0;
423 if (sdata
->vif
.bss_conf
.use_cts_prot
)
424 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
425 if (sdata
->vif
.bss_conf
.use_short_preamble
)
426 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
427 if (sdata
->vif
.bss_conf
.use_short_slot
)
428 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
429 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
430 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
432 sinfo
->sta_flags
.set
= 0;
433 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
434 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
435 BIT(NL80211_STA_FLAG_WME
) |
436 BIT(NL80211_STA_FLAG_MFP
) |
437 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
438 BIT(NL80211_STA_FLAG_TDLS_PEER
);
439 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
440 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
441 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
442 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
443 if (test_sta_flag(sta
, WLAN_STA_WME
))
444 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
445 if (test_sta_flag(sta
, WLAN_STA_MFP
))
446 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
447 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
448 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
449 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
450 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
453 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
454 "rx_packets", "rx_bytes", "wep_weak_iv_count",
455 "rx_duplicates", "rx_fragments", "rx_dropped",
456 "tx_packets", "tx_bytes", "tx_fragments",
457 "tx_filtered", "tx_retry_failed", "tx_retries",
458 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
459 "channel", "noise", "ch_time", "ch_time_busy",
460 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
462 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
464 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
465 struct net_device
*dev
,
468 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
471 if (sset
== ETH_SS_STATS
)
474 rv
+= drv_get_et_sset_count(sdata
, sset
);
481 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
482 struct net_device
*dev
,
483 struct ethtool_stats
*stats
,
486 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
487 struct sta_info
*sta
;
488 struct ieee80211_local
*local
= sdata
->local
;
489 struct station_info sinfo
;
490 struct survey_info survey
;
492 #define STA_STATS_SURVEY_LEN 7
494 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
496 #define ADD_STA_STATS(sta) \
498 data[i++] += sta->rx_packets; \
499 data[i++] += sta->rx_bytes; \
500 data[i++] += sta->wep_weak_iv_count; \
501 data[i++] += sta->num_duplicates; \
502 data[i++] += sta->rx_fragments; \
503 data[i++] += sta->rx_dropped; \
505 data[i++] += sta->tx_packets; \
506 data[i++] += sta->tx_bytes; \
507 data[i++] += sta->tx_fragments; \
508 data[i++] += sta->tx_filtered_count; \
509 data[i++] += sta->tx_retry_failed; \
510 data[i++] += sta->tx_retry_count; \
511 data[i++] += sta->beacon_loss_count; \
514 /* For Managed stations, find the single station based on BSSID
515 * and use that. For interface types, iterate through all available
516 * stations and add stats for any station that is assigned to this
522 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
523 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
525 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
531 data
[i
++] = sta
->sta_state
;
534 sta_set_sinfo(sta
, &sinfo
);
536 if (sinfo
.filled
| STATION_INFO_TX_BITRATE
)
538 cfg80211_calculate_bitrate(&sinfo
.txrate
);
540 if (sinfo
.filled
| STATION_INFO_RX_BITRATE
)
542 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
545 if (sinfo
.filled
| STATION_INFO_SIGNAL_AVG
)
546 data
[i
] = (u8
)sinfo
.signal_avg
;
549 list_for_each_entry_rcu(sta
, &local
->sta_list
, list
) {
550 /* Make sure this station belongs to the proper dev */
551 if (sta
->sdata
->dev
!= dev
)
560 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
561 /* Get survey stats for current channel */
565 if (drv_get_survey(local
, q
, &survey
) != 0) {
570 if (survey
.channel
&&
571 (local
->oper_channel
->center_freq
==
572 survey
.channel
->center_freq
))
578 data
[i
++] = survey
.channel
->center_freq
;
581 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
582 data
[i
++] = (u8
)survey
.noise
;
585 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
586 data
[i
++] = survey
.channel_time
;
589 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
590 data
[i
++] = survey
.channel_time_busy
;
593 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
594 data
[i
++] = survey
.channel_time_ext_busy
;
597 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
598 data
[i
++] = survey
.channel_time_rx
;
601 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
602 data
[i
++] = survey
.channel_time_tx
;
608 if (WARN_ON(i
!= STA_STATS_LEN
))
611 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
614 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
615 struct net_device
*dev
,
618 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
619 int sz_sta_stats
= 0;
621 if (sset
== ETH_SS_STATS
) {
622 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
623 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
625 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
628 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
629 int idx
, u8
*mac
, struct station_info
*sinfo
)
631 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
632 struct sta_info
*sta
;
637 sta
= sta_info_get_by_idx(sdata
, idx
);
640 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
641 sta_set_sinfo(sta
, sinfo
);
649 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
650 int idx
, struct survey_info
*survey
)
652 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
654 return drv_get_survey(local
, idx
, survey
);
657 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
658 u8
*mac
, struct station_info
*sinfo
)
660 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
661 struct sta_info
*sta
;
666 sta
= sta_info_get_bss(sdata
, mac
);
669 sta_set_sinfo(sta
, sinfo
);
677 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
678 const u8
*resp
, size_t resp_len
)
680 struct sk_buff
*new, *old
;
682 if (!resp
|| !resp_len
)
685 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
687 new = dev_alloc_skb(resp_len
);
691 memcpy(skb_put(new, resp_len
), resp
, resp_len
);
693 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
695 /* TODO: use call_rcu() */
703 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
704 struct cfg80211_beacon_data
*params
)
706 struct beacon_data
*new, *old
;
707 int new_head_len
, new_tail_len
;
709 u32 changed
= BSS_CHANGED_BEACON
;
711 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
713 /* Need to have a beacon head if we don't have one yet */
714 if (!params
->head
&& !old
)
717 /* new or old head? */
719 new_head_len
= params
->head_len
;
721 new_head_len
= old
->head_len
;
723 /* new or old tail? */
724 if (params
->tail
|| !old
)
725 /* params->tail_len will be zero for !params->tail */
726 new_tail_len
= params
->tail_len
;
728 new_tail_len
= old
->tail_len
;
730 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
732 new = kzalloc(size
, GFP_KERNEL
);
736 /* start filling the new info now */
739 * pointers go into the block we allocated,
740 * memory is | beacon_data | head | tail |
742 new->head
= ((u8
*) new) + sizeof(*new);
743 new->tail
= new->head
+ new_head_len
;
744 new->head_len
= new_head_len
;
745 new->tail_len
= new_tail_len
;
749 memcpy(new->head
, params
->head
, new_head_len
);
751 memcpy(new->head
, old
->head
, new_head_len
);
753 /* copy in optional tail */
755 memcpy(new->tail
, params
->tail
, new_tail_len
);
758 memcpy(new->tail
, old
->tail
, new_tail_len
);
760 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
761 params
->probe_resp_len
);
765 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
767 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
770 kfree_rcu(old
, rcu_head
);
775 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
776 struct cfg80211_ap_settings
*params
)
778 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
779 struct beacon_data
*old
;
780 struct ieee80211_sub_if_data
*vlan
;
781 u32 changed
= BSS_CHANGED_BEACON_INT
|
782 BSS_CHANGED_BEACON_ENABLED
|
787 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
792 * Apply control port protocol, this allows us to
793 * not encrypt dynamic WEP control frames.
795 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
796 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
797 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
798 vlan
->control_port_protocol
=
799 params
->crypto
.control_port_ethertype
;
800 vlan
->control_port_no_encrypt
=
801 params
->crypto
.control_port_no_encrypt
;
804 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
805 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
807 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
808 if (params
->ssid_len
)
809 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
811 sdata
->vif
.bss_conf
.hidden_ssid
=
812 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
814 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
819 ieee80211_bss_info_change_notify(sdata
, changed
);
821 netif_carrier_on(dev
);
822 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
823 netif_carrier_on(vlan
->dev
);
828 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
829 struct cfg80211_beacon_data
*params
)
831 struct ieee80211_sub_if_data
*sdata
;
832 struct beacon_data
*old
;
835 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
837 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
841 err
= ieee80211_assign_beacon(sdata
, params
);
844 ieee80211_bss_info_change_notify(sdata
, err
);
848 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
850 struct ieee80211_sub_if_data
*sdata
, *vlan
;
851 struct beacon_data
*old
;
853 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
855 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
859 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
860 netif_carrier_off(vlan
->dev
);
861 netif_carrier_off(dev
);
863 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
865 kfree_rcu(old
, rcu_head
);
867 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
872 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
873 struct iapp_layer2_update
{
874 u8 da
[ETH_ALEN
]; /* broadcast */
875 u8 sa
[ETH_ALEN
]; /* STA addr */
883 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
885 struct iapp_layer2_update
*msg
;
888 /* Send Level 2 Update Frame to update forwarding tables in layer 2
891 skb
= dev_alloc_skb(sizeof(*msg
));
894 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
896 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
897 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
899 memset(msg
->da
, 0xff, ETH_ALEN
);
900 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
903 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
904 msg
->control
= 0xaf; /* XID response lsb.1111F101.
905 * F=0 (no poll command; unsolicited frame) */
906 msg
->xid_info
[0] = 0x81; /* XID format identifier */
907 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
908 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
910 skb
->dev
= sta
->sdata
->dev
;
911 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
912 memset(skb
->cb
, 0, sizeof(skb
->cb
));
916 static int sta_apply_parameters(struct ieee80211_local
*local
,
917 struct sta_info
*sta
,
918 struct station_parameters
*params
)
923 struct ieee80211_supported_band
*sband
;
924 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
927 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
929 mask
= params
->sta_flags_mask
;
930 set
= params
->sta_flags_set
;
933 * In mesh mode, we can clear AUTHENTICATED flag but must
934 * also make ASSOCIATED follow appropriately for the driver
935 * API. See also below, after AUTHORIZED changes.
937 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
938 /* cfg80211 should not allow this in non-mesh modes */
939 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
942 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
943 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
944 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
947 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
953 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
954 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
955 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
956 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
957 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
962 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
963 /* cfg80211 should not allow this in non-mesh modes */
964 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
967 if (!(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
968 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
969 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
972 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
979 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
980 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
981 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
983 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
986 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
987 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
988 set_sta_flag(sta
, WLAN_STA_WME
);
991 clear_sta_flag(sta
, WLAN_STA_WME
);
992 sta
->sta
.wme
= false;
996 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
997 if (set
& BIT(NL80211_STA_FLAG_MFP
))
998 set_sta_flag(sta
, WLAN_STA_MFP
);
1000 clear_sta_flag(sta
, WLAN_STA_MFP
);
1003 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1004 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1005 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1007 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1010 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1011 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1012 sta
->sta
.max_sp
= params
->max_sp
;
1016 * cfg80211 validates this (1-2007) and allows setting the AID
1017 * only when creating a new station entry
1020 sta
->sta
.aid
= params
->aid
;
1023 * FIXME: updating the following information is racy when this
1024 * function is called from ieee80211_change_station().
1025 * However, all this information should be static so
1026 * maybe we should just reject attemps to change it.
1029 if (params
->listen_interval
>= 0)
1030 sta
->listen_interval
= params
->listen_interval
;
1032 if (params
->supported_rates
) {
1035 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1036 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1037 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1038 if (sband
->bitrates
[j
].bitrate
== rate
)
1042 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
1045 if (params
->ht_capa
)
1046 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1050 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1051 #ifdef CONFIG_MAC80211_MESH
1052 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
1053 switch (params
->plink_state
) {
1054 case NL80211_PLINK_LISTEN
:
1055 case NL80211_PLINK_ESTAB
:
1056 case NL80211_PLINK_BLOCKED
:
1057 sta
->plink_state
= params
->plink_state
;
1064 switch (params
->plink_action
) {
1065 case PLINK_ACTION_OPEN
:
1066 mesh_plink_open(sta
);
1068 case PLINK_ACTION_BLOCK
:
1069 mesh_plink_block(sta
);
1078 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1079 u8
*mac
, struct station_parameters
*params
)
1081 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1082 struct sta_info
*sta
;
1083 struct ieee80211_sub_if_data
*sdata
;
1088 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1090 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1091 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1094 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1096 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1099 if (is_multicast_ether_addr(mac
))
1102 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1106 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1107 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1109 err
= sta_apply_parameters(local
, sta
, params
);
1111 sta_info_free(local
, sta
);
1116 * for TDLS, rate control should be initialized only when supported
1119 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1120 rate_control_rate_init(sta
);
1122 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1123 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1125 err
= sta_info_insert_rcu(sta
);
1132 ieee80211_send_layer2_update(sta
);
1139 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1142 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1143 struct ieee80211_sub_if_data
*sdata
;
1145 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1148 return sta_info_destroy_addr_bss(sdata
, mac
);
1150 sta_info_flush(local
, sdata
);
1154 static int ieee80211_change_station(struct wiphy
*wiphy
,
1155 struct net_device
*dev
,
1157 struct station_parameters
*params
)
1159 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1160 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1161 struct sta_info
*sta
;
1162 struct ieee80211_sub_if_data
*vlansdata
;
1165 mutex_lock(&local
->sta_mtx
);
1167 sta
= sta_info_get_bss(sdata
, mac
);
1169 mutex_unlock(&local
->sta_mtx
);
1173 /* in station mode, supported rates are only valid with TDLS */
1174 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1175 params
->supported_rates
&&
1176 !test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1177 mutex_unlock(&local
->sta_mtx
);
1181 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1182 bool prev_4addr
= false;
1183 bool new_4addr
= false;
1185 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1187 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1188 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
1189 mutex_unlock(&local
->sta_mtx
);
1193 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1194 if (vlansdata
->u
.vlan
.sta
) {
1195 mutex_unlock(&local
->sta_mtx
);
1199 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1203 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1204 sta
->sdata
->u
.vlan
.sta
) {
1205 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1209 sta
->sdata
= vlansdata
;
1211 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1212 prev_4addr
!= new_4addr
) {
1214 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1216 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1219 ieee80211_send_layer2_update(sta
);
1222 err
= sta_apply_parameters(local
, sta
, params
);
1224 mutex_unlock(&local
->sta_mtx
);
1228 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
1229 rate_control_rate_init(sta
);
1231 mutex_unlock(&local
->sta_mtx
);
1233 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1234 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1235 ieee80211_recalc_ps(local
, -1);
1240 #ifdef CONFIG_MAC80211_MESH
1241 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1242 u8
*dst
, u8
*next_hop
)
1244 struct ieee80211_sub_if_data
*sdata
;
1245 struct mesh_path
*mpath
;
1246 struct sta_info
*sta
;
1249 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1252 sta
= sta_info_get(sdata
, next_hop
);
1258 err
= mesh_path_add(dst
, sdata
);
1264 mpath
= mesh_path_lookup(dst
, sdata
);
1269 mesh_path_fix_nexthop(mpath
, sta
);
1275 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1278 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1281 return mesh_path_del(dst
, sdata
);
1283 mesh_path_flush_by_iface(sdata
);
1287 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1288 struct net_device
*dev
,
1289 u8
*dst
, u8
*next_hop
)
1291 struct ieee80211_sub_if_data
*sdata
;
1292 struct mesh_path
*mpath
;
1293 struct sta_info
*sta
;
1295 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1299 sta
= sta_info_get(sdata
, next_hop
);
1305 mpath
= mesh_path_lookup(dst
, sdata
);
1311 mesh_path_fix_nexthop(mpath
, sta
);
1317 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1318 struct mpath_info
*pinfo
)
1320 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1323 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1325 memset(next_hop
, 0, ETH_ALEN
);
1327 pinfo
->generation
= mesh_paths_generation
;
1329 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1332 MPATH_INFO_EXPTIME
|
1333 MPATH_INFO_DISCOVERY_TIMEOUT
|
1334 MPATH_INFO_DISCOVERY_RETRIES
|
1337 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1338 pinfo
->sn
= mpath
->sn
;
1339 pinfo
->metric
= mpath
->metric
;
1340 if (time_before(jiffies
, mpath
->exp_time
))
1341 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1342 pinfo
->discovery_timeout
=
1343 jiffies_to_msecs(mpath
->discovery_timeout
);
1344 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1346 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1347 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1348 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1349 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1350 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1351 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1352 if (mpath
->flags
& MESH_PATH_FIXED
)
1353 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1354 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1355 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1357 pinfo
->flags
= mpath
->flags
;
1360 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1361 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1364 struct ieee80211_sub_if_data
*sdata
;
1365 struct mesh_path
*mpath
;
1367 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1370 mpath
= mesh_path_lookup(dst
, sdata
);
1375 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1376 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1381 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1382 int idx
, u8
*dst
, u8
*next_hop
,
1383 struct mpath_info
*pinfo
)
1385 struct ieee80211_sub_if_data
*sdata
;
1386 struct mesh_path
*mpath
;
1388 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1391 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1396 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1397 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1402 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1403 struct net_device
*dev
,
1404 struct mesh_config
*conf
)
1406 struct ieee80211_sub_if_data
*sdata
;
1407 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1409 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1413 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1415 return (mask
>> (parm
-1)) & 0x1;
1418 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1419 const struct mesh_setup
*setup
)
1423 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1424 struct ieee80211_sub_if_data
, u
.mesh
);
1426 /* allocate information elements */
1430 if (setup
->ie_len
) {
1431 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1436 ifmsh
->ie_len
= setup
->ie_len
;
1440 /* now copy the rest of the setup parameters */
1441 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1442 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1443 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1444 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1445 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1446 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1447 if (setup
->is_authenticated
)
1448 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1449 if (setup
->is_secure
)
1450 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1452 /* mcast rate setting in Mesh Node */
1453 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1454 sizeof(setup
->mcast_rate
));
1459 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1460 struct net_device
*dev
, u32 mask
,
1461 const struct mesh_config
*nconf
)
1463 struct mesh_config
*conf
;
1464 struct ieee80211_sub_if_data
*sdata
;
1465 struct ieee80211_if_mesh
*ifmsh
;
1467 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1468 ifmsh
= &sdata
->u
.mesh
;
1470 /* Set the config options which we are interested in setting */
1471 conf
= &(sdata
->u
.mesh
.mshcfg
);
1472 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1473 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1474 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1475 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1476 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1477 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1478 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1479 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1480 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1481 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1482 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1483 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1484 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1485 conf
->dot11MeshTTL
= nconf
->element_ttl
;
1486 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1487 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1488 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1489 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1490 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1491 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1492 conf
->dot11MeshHWMPmaxPREQretries
=
1493 nconf
->dot11MeshHWMPmaxPREQretries
;
1494 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1495 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1496 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1497 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1498 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1499 conf
->dot11MeshHWMPactivePathTimeout
=
1500 nconf
->dot11MeshHWMPactivePathTimeout
;
1501 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1502 conf
->dot11MeshHWMPpreqMinInterval
=
1503 nconf
->dot11MeshHWMPpreqMinInterval
;
1504 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1505 conf
->dot11MeshHWMPperrMinInterval
=
1506 nconf
->dot11MeshHWMPperrMinInterval
;
1507 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1509 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1510 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1511 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1512 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1513 ieee80211_mesh_root_setup(ifmsh
);
1515 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1516 /* our current gate announcement implementation rides on root
1517 * announcements, so require this ifmsh to also be a root node
1519 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1520 !conf
->dot11MeshHWMPRootMode
) {
1521 conf
->dot11MeshHWMPRootMode
= 1;
1522 ieee80211_mesh_root_setup(ifmsh
);
1524 conf
->dot11MeshGateAnnouncementProtocol
=
1525 nconf
->dot11MeshGateAnnouncementProtocol
;
1527 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
)) {
1528 conf
->dot11MeshHWMPRannInterval
=
1529 nconf
->dot11MeshHWMPRannInterval
;
1531 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1532 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1533 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1534 /* our RSSI threshold implementation is supported only for
1535 * devices that report signal in dBm.
1537 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1539 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1541 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1542 conf
->ht_opmode
= nconf
->ht_opmode
;
1543 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1544 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1549 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1550 const struct mesh_config
*conf
,
1551 const struct mesh_setup
*setup
)
1553 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1554 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1557 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1558 err
= copy_mesh_setup(ifmsh
, setup
);
1561 ieee80211_start_mesh(sdata
);
1566 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1568 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1570 ieee80211_stop_mesh(sdata
);
1576 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1577 struct net_device
*dev
,
1578 struct bss_parameters
*params
)
1580 struct ieee80211_sub_if_data
*sdata
;
1583 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1585 if (params
->use_cts_prot
>= 0) {
1586 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1587 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1589 if (params
->use_short_preamble
>= 0) {
1590 sdata
->vif
.bss_conf
.use_short_preamble
=
1591 params
->use_short_preamble
;
1592 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1595 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1596 sdata
->local
->hw
.conf
.channel
->band
== IEEE80211_BAND_5GHZ
) {
1597 sdata
->vif
.bss_conf
.use_short_slot
= true;
1598 changed
|= BSS_CHANGED_ERP_SLOT
;
1601 if (params
->use_short_slot_time
>= 0) {
1602 sdata
->vif
.bss_conf
.use_short_slot
=
1603 params
->use_short_slot_time
;
1604 changed
|= BSS_CHANGED_ERP_SLOT
;
1607 if (params
->basic_rates
) {
1610 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1611 struct ieee80211_supported_band
*sband
=
1612 wiphy
->bands
[local
->oper_channel
->band
];
1614 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1615 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1616 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1617 if (sband
->bitrates
[j
].bitrate
== rate
)
1621 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1622 changed
|= BSS_CHANGED_BASIC_RATES
;
1625 if (params
->ap_isolate
>= 0) {
1626 if (params
->ap_isolate
)
1627 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1629 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1632 if (params
->ht_opmode
>= 0) {
1633 sdata
->vif
.bss_conf
.ht_operation_mode
=
1634 (u16
) params
->ht_opmode
;
1635 changed
|= BSS_CHANGED_HT
;
1638 ieee80211_bss_info_change_notify(sdata
, changed
);
1643 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1644 struct net_device
*dev
,
1645 struct ieee80211_txq_params
*params
)
1647 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1648 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1649 struct ieee80211_tx_queue_params p
;
1651 if (!local
->ops
->conf_tx
)
1654 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1657 memset(&p
, 0, sizeof(p
));
1658 p
.aifs
= params
->aifs
;
1659 p
.cw_max
= params
->cwmax
;
1660 p
.cw_min
= params
->cwmin
;
1661 p
.txop
= params
->txop
;
1664 * Setting tx queue params disables u-apsd because it's only
1665 * called in master mode.
1669 sdata
->tx_conf
[params
->ac
] = p
;
1670 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1671 wiphy_debug(local
->hw
.wiphy
,
1672 "failed to set TX queue parameters for AC %d\n",
1680 static int ieee80211_set_channel(struct wiphy
*wiphy
,
1681 struct net_device
*netdev
,
1682 struct ieee80211_channel
*chan
,
1683 enum nl80211_channel_type channel_type
)
1685 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1686 struct ieee80211_sub_if_data
*sdata
= NULL
;
1689 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
1691 switch (ieee80211_get_channel_mode(local
, NULL
)) {
1692 case CHAN_MODE_HOPPING
:
1694 case CHAN_MODE_FIXED
:
1695 if (local
->oper_channel
!= chan
)
1697 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
1700 case CHAN_MODE_UNDEFINED
:
1704 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
1707 local
->oper_channel
= chan
;
1709 /* auto-detects changes */
1710 ieee80211_hw_config(local
, 0);
1716 static int ieee80211_suspend(struct wiphy
*wiphy
,
1717 struct cfg80211_wowlan
*wowlan
)
1719 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1722 static int ieee80211_resume(struct wiphy
*wiphy
)
1724 return __ieee80211_resume(wiphy_priv(wiphy
));
1727 #define ieee80211_suspend NULL
1728 #define ieee80211_resume NULL
1731 static int ieee80211_scan(struct wiphy
*wiphy
,
1732 struct net_device
*dev
,
1733 struct cfg80211_scan_request
*req
)
1735 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1737 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1738 case NL80211_IFTYPE_STATION
:
1739 case NL80211_IFTYPE_ADHOC
:
1740 case NL80211_IFTYPE_MESH_POINT
:
1741 case NL80211_IFTYPE_P2P_CLIENT
:
1743 case NL80211_IFTYPE_P2P_GO
:
1744 if (sdata
->local
->ops
->hw_scan
)
1747 * FIXME: implement NoA while scanning in software,
1748 * for now fall through to allow scanning only when
1749 * beaconing hasn't been configured yet
1751 case NL80211_IFTYPE_AP
:
1752 if (sdata
->u
.ap
.beacon
)
1759 return ieee80211_request_scan(sdata
, req
);
1763 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1764 struct net_device
*dev
,
1765 struct cfg80211_sched_scan_request
*req
)
1767 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1769 if (!sdata
->local
->ops
->sched_scan_start
)
1772 return ieee80211_request_sched_scan_start(sdata
, req
);
1776 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1778 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1780 if (!sdata
->local
->ops
->sched_scan_stop
)
1783 return ieee80211_request_sched_scan_stop(sdata
);
1786 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1787 struct cfg80211_auth_request
*req
)
1789 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1792 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1793 struct cfg80211_assoc_request
*req
)
1795 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1796 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1798 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1799 case CHAN_MODE_HOPPING
:
1801 case CHAN_MODE_FIXED
:
1802 if (local
->oper_channel
== req
->bss
->channel
)
1805 case CHAN_MODE_UNDEFINED
:
1809 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1812 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1813 struct cfg80211_deauth_request
*req
)
1815 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1818 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1819 struct cfg80211_disassoc_request
*req
)
1821 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1824 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1825 struct cfg80211_ibss_params
*params
)
1827 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1828 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1830 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1831 case CHAN_MODE_HOPPING
:
1833 case CHAN_MODE_FIXED
:
1834 if (!params
->channel_fixed
)
1836 if (local
->oper_channel
== params
->channel
)
1839 case CHAN_MODE_UNDEFINED
:
1843 return ieee80211_ibss_join(sdata
, params
);
1846 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1848 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1850 return ieee80211_ibss_leave(sdata
);
1853 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1855 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1858 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1859 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1865 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1866 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1872 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1873 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1879 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1880 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1881 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1882 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1884 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1885 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1890 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1891 enum nl80211_tx_power_setting type
, int mbm
)
1893 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1894 struct ieee80211_channel
*chan
= local
->hw
.conf
.channel
;
1898 case NL80211_TX_POWER_AUTOMATIC
:
1899 local
->user_power_level
= -1;
1901 case NL80211_TX_POWER_LIMITED
:
1902 if (mbm
< 0 || (mbm
% 100))
1904 local
->user_power_level
= MBM_TO_DBM(mbm
);
1906 case NL80211_TX_POWER_FIXED
:
1907 if (mbm
< 0 || (mbm
% 100))
1909 /* TODO: move to cfg80211 when it knows the channel */
1910 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1912 local
->user_power_level
= MBM_TO_DBM(mbm
);
1916 ieee80211_hw_config(local
, changes
);
1921 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1923 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1925 *dbm
= local
->hw
.conf
.power_level
;
1930 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1933 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1935 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1940 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1942 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1944 drv_rfkill_poll(local
);
1947 #ifdef CONFIG_NL80211_TESTMODE
1948 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1950 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1952 if (!local
->ops
->testmode_cmd
)
1955 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
1958 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
1959 struct sk_buff
*skb
,
1960 struct netlink_callback
*cb
,
1961 void *data
, int len
)
1963 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1965 if (!local
->ops
->testmode_dump
)
1968 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
1972 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
1973 enum ieee80211_smps_mode smps_mode
)
1976 enum ieee80211_smps_mode old_req
;
1979 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
1981 old_req
= sdata
->u
.mgd
.req_smps
;
1982 sdata
->u
.mgd
.req_smps
= smps_mode
;
1984 if (old_req
== smps_mode
&&
1985 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
1989 * If not associated, or current association is not an HT
1990 * association, there's no need to send an action frame.
1992 if (!sdata
->u
.mgd
.associated
||
1993 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
1994 mutex_lock(&sdata
->local
->iflist_mtx
);
1995 ieee80211_recalc_smps(sdata
->local
);
1996 mutex_unlock(&sdata
->local
->iflist_mtx
);
2000 ap
= sdata
->u
.mgd
.associated
->bssid
;
2002 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2003 if (sdata
->u
.mgd
.powersave
)
2004 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2006 smps_mode
= IEEE80211_SMPS_OFF
;
2009 /* send SM PS frame to AP */
2010 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2013 sdata
->u
.mgd
.req_smps
= old_req
;
2018 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2019 bool enabled
, int timeout
)
2021 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2022 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2024 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2027 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2030 if (enabled
== sdata
->u
.mgd
.powersave
&&
2031 timeout
== local
->dynamic_ps_forced_timeout
)
2034 sdata
->u
.mgd
.powersave
= enabled
;
2035 local
->dynamic_ps_forced_timeout
= timeout
;
2037 /* no change, but if automatic follow powersave */
2038 mutex_lock(&sdata
->u
.mgd
.mtx
);
2039 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2040 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2042 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2043 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2045 ieee80211_recalc_ps(local
, -1);
2050 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2051 struct net_device
*dev
,
2052 s32 rssi_thold
, u32 rssi_hyst
)
2054 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2055 struct ieee80211_vif
*vif
= &sdata
->vif
;
2056 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2058 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2059 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2062 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2063 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2065 /* tell the driver upon association, unless already associated */
2066 if (sdata
->u
.mgd
.associated
&&
2067 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2068 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2073 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2074 struct net_device
*dev
,
2076 const struct cfg80211_bitrate_mask
*mask
)
2078 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2079 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2082 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2083 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2088 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2089 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2090 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2091 sizeof(mask
->control
[i
].mcs
));
2097 static int ieee80211_remain_on_channel_hw(struct ieee80211_local
*local
,
2098 struct net_device
*dev
,
2099 struct ieee80211_channel
*chan
,
2100 enum nl80211_channel_type chantype
,
2101 unsigned int duration
, u64
*cookie
)
2106 lockdep_assert_held(&local
->mtx
);
2108 if (local
->hw_roc_cookie
)
2110 /* must be nonzero */
2111 random_cookie
= random32() | 1;
2113 *cookie
= random_cookie
;
2114 local
->hw_roc_dev
= dev
;
2115 local
->hw_roc_cookie
= random_cookie
;
2116 local
->hw_roc_channel
= chan
;
2117 local
->hw_roc_channel_type
= chantype
;
2118 local
->hw_roc_duration
= duration
;
2119 ret
= drv_remain_on_channel(local
, chan
, chantype
, duration
);
2121 local
->hw_roc_channel
= NULL
;
2122 local
->hw_roc_cookie
= 0;
2128 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2129 struct net_device
*dev
,
2130 struct ieee80211_channel
*chan
,
2131 enum nl80211_channel_type channel_type
,
2132 unsigned int duration
,
2135 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2136 struct ieee80211_local
*local
= sdata
->local
;
2138 if (local
->ops
->remain_on_channel
) {
2141 mutex_lock(&local
->mtx
);
2142 ret
= ieee80211_remain_on_channel_hw(local
, dev
,
2145 local
->hw_roc_for_tx
= false;
2146 mutex_unlock(&local
->mtx
);
2151 return ieee80211_wk_remain_on_channel(sdata
, chan
, channel_type
,
2155 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local
*local
,
2160 lockdep_assert_held(&local
->mtx
);
2162 if (local
->hw_roc_cookie
!= cookie
)
2165 ret
= drv_cancel_remain_on_channel(local
);
2169 local
->hw_roc_cookie
= 0;
2170 local
->hw_roc_channel
= NULL
;
2172 ieee80211_recalc_idle(local
);
2177 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2178 struct net_device
*dev
,
2181 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2182 struct ieee80211_local
*local
= sdata
->local
;
2184 if (local
->ops
->cancel_remain_on_channel
) {
2187 mutex_lock(&local
->mtx
);
2188 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
2189 mutex_unlock(&local
->mtx
);
2194 return ieee80211_wk_cancel_remain_on_channel(sdata
, cookie
);
2197 static enum work_done_result
2198 ieee80211_offchan_tx_done(struct ieee80211_work
*wk
, struct sk_buff
*skb
)
2201 * Use the data embedded in the work struct for reporting
2202 * here so if the driver mangled the SKB before dropping
2203 * it (which is the only way we really should get here)
2204 * then we don't report mangled data.
2206 * If there was no wait time, then by the time we get here
2207 * the driver will likely not have reported the status yet,
2208 * so in that case userspace will have to deal with it.
2211 if (wk
->offchan_tx
.wait
&& !wk
->offchan_tx
.status
)
2212 cfg80211_mgmt_tx_status(wk
->sdata
->dev
,
2213 (unsigned long) wk
->offchan_tx
.frame
,
2214 wk
->data
, wk
->data_len
, false, GFP_KERNEL
);
2216 return WORK_DONE_DESTROY
;
2219 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct net_device
*dev
,
2220 struct ieee80211_channel
*chan
, bool offchan
,
2221 enum nl80211_channel_type channel_type
,
2222 bool channel_type_valid
, unsigned int wait
,
2223 const u8
*buf
, size_t len
, bool no_cck
,
2224 bool dont_wait_for_ack
, u64
*cookie
)
2226 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2227 struct ieee80211_local
*local
= sdata
->local
;
2228 struct sk_buff
*skb
;
2229 struct sta_info
*sta
;
2230 struct ieee80211_work
*wk
;
2231 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2233 bool is_offchan
= false;
2235 if (dont_wait_for_ack
)
2236 flags
= IEEE80211_TX_CTL_NO_ACK
;
2238 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2239 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2241 /* Check that we are on the requested channel for transmission */
2242 if (chan
!= local
->tmp_channel
&&
2243 chan
!= local
->oper_channel
)
2245 if (channel_type_valid
&&
2246 (channel_type
!= local
->tmp_channel_type
&&
2247 channel_type
!= local
->_oper_channel_type
))
2250 if (chan
== local
->hw_roc_channel
) {
2251 /* TODO: check channel type? */
2253 flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2257 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2259 if (is_offchan
&& !offchan
)
2262 switch (sdata
->vif
.type
) {
2263 case NL80211_IFTYPE_ADHOC
:
2264 case NL80211_IFTYPE_AP
:
2265 case NL80211_IFTYPE_AP_VLAN
:
2266 case NL80211_IFTYPE_P2P_GO
:
2267 case NL80211_IFTYPE_MESH_POINT
:
2268 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2269 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2272 sta
= sta_info_get(sdata
, mgmt
->da
);
2277 case NL80211_IFTYPE_STATION
:
2278 case NL80211_IFTYPE_P2P_CLIENT
:
2284 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2287 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2289 memcpy(skb_put(skb
, len
), buf
, len
);
2291 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2293 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
&&
2294 flags
& IEEE80211_TX_CTL_TX_OFFCHAN
)
2295 IEEE80211_SKB_CB(skb
)->hw_queue
=
2296 local
->hw
.offchannel_tx_hw_queue
;
2298 skb
->dev
= sdata
->dev
;
2300 *cookie
= (unsigned long) skb
;
2302 if (is_offchan
&& local
->ops
->remain_on_channel
) {
2303 unsigned int duration
;
2306 mutex_lock(&local
->mtx
);
2308 * If the duration is zero, then the driver
2309 * wouldn't actually do anything. Set it to
2312 * TODO: cancel the off-channel operation
2313 * when we get the SKB's TX status and
2314 * the wait time was zero before.
2319 ret
= ieee80211_remain_on_channel_hw(local
, dev
, chan
,
2324 mutex_unlock(&local
->mtx
);
2328 local
->hw_roc_for_tx
= true;
2329 local
->hw_roc_duration
= wait
;
2332 * queue up frame for transmission after
2333 * ieee80211_ready_on_channel call
2336 /* modify cookie to prevent API mismatches */
2338 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2339 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2340 IEEE80211_SKB_CB(skb
)->hw_queue
=
2341 local
->hw
.offchannel_tx_hw_queue
;
2342 local
->hw_roc_skb
= skb
;
2343 local
->hw_roc_skb_for_status
= skb
;
2344 mutex_unlock(&local
->mtx
);
2350 * Can transmit right away if the channel was the
2351 * right one and there's no wait involved... If a
2352 * wait is involved, we might otherwise not be on
2353 * the right channel for long enough!
2355 if (!is_offchan
&& !wait
&& !sdata
->vif
.bss_conf
.idle
) {
2356 ieee80211_tx_skb(sdata
, skb
);
2360 wk
= kzalloc(sizeof(*wk
) + len
, GFP_KERNEL
);
2366 wk
->type
= IEEE80211_WORK_OFFCHANNEL_TX
;
2368 wk
->chan_type
= channel_type
;
2370 wk
->done
= ieee80211_offchan_tx_done
;
2371 wk
->offchan_tx
.frame
= skb
;
2372 wk
->offchan_tx
.wait
= wait
;
2374 memcpy(wk
->data
, buf
, len
);
2376 ieee80211_add_work(wk
);
2380 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2381 struct net_device
*dev
,
2384 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2385 struct ieee80211_local
*local
= sdata
->local
;
2386 struct ieee80211_work
*wk
;
2389 mutex_lock(&local
->mtx
);
2391 if (local
->ops
->cancel_remain_on_channel
) {
2393 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
2396 kfree_skb(local
->hw_roc_skb
);
2397 local
->hw_roc_skb
= NULL
;
2398 local
->hw_roc_skb_for_status
= NULL
;
2401 mutex_unlock(&local
->mtx
);
2406 list_for_each_entry(wk
, &local
->work_list
, list
) {
2407 if (wk
->sdata
!= sdata
)
2410 if (wk
->type
!= IEEE80211_WORK_OFFCHANNEL_TX
)
2413 if (cookie
!= (unsigned long) wk
->offchan_tx
.frame
)
2416 wk
->timeout
= jiffies
;
2418 ieee80211_queue_work(&local
->hw
, &local
->work_work
);
2422 mutex_unlock(&local
->mtx
);
2427 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2428 struct net_device
*dev
,
2429 u16 frame_type
, bool reg
)
2431 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2433 if (frame_type
!= (IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
))
2437 local
->probe_req_reg
++;
2439 local
->probe_req_reg
--;
2441 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2444 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2446 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2451 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2454 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2456 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2458 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2461 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2463 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2465 return drv_set_ringparam(local
, tx
, rx
);
2468 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2469 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2471 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2473 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2476 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2477 struct net_device
*dev
,
2478 struct cfg80211_gtk_rekey_data
*data
)
2480 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2481 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2483 if (!local
->ops
->set_rekey_data
)
2486 drv_set_rekey_data(local
, sdata
, data
);
2491 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2493 u8
*pos
= (void *)skb_put(skb
, 7);
2495 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2496 *pos
++ = 5; /* len */
2501 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2504 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2506 struct ieee80211_local
*local
= sdata
->local
;
2510 if (local
->oper_channel
->band
!= IEEE80211_BAND_2GHZ
)
2513 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2514 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2515 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2516 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2521 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2522 u8
*peer
, u8
*bssid
)
2524 struct ieee80211_tdls_lnkie
*lnkid
;
2526 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2528 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2529 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2531 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2532 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2533 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2537 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2538 u8
*peer
, u8 action_code
, u8 dialog_token
,
2539 u16 status_code
, struct sk_buff
*skb
)
2541 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2542 struct ieee80211_tdls_data
*tf
;
2544 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2546 memcpy(tf
->da
, peer
, ETH_ALEN
);
2547 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2548 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2549 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2551 switch (action_code
) {
2552 case WLAN_TDLS_SETUP_REQUEST
:
2553 tf
->category
= WLAN_CATEGORY_TDLS
;
2554 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2556 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2557 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2558 tf
->u
.setup_req
.capability
=
2559 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2561 ieee80211_add_srates_ie(&sdata
->vif
, skb
, false);
2562 ieee80211_add_ext_srates_ie(&sdata
->vif
, skb
, false);
2563 ieee80211_tdls_add_ext_capab(skb
);
2565 case WLAN_TDLS_SETUP_RESPONSE
:
2566 tf
->category
= WLAN_CATEGORY_TDLS
;
2567 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2569 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2570 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2571 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2572 tf
->u
.setup_resp
.capability
=
2573 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2575 ieee80211_add_srates_ie(&sdata
->vif
, skb
, false);
2576 ieee80211_add_ext_srates_ie(&sdata
->vif
, skb
, false);
2577 ieee80211_tdls_add_ext_capab(skb
);
2579 case WLAN_TDLS_SETUP_CONFIRM
:
2580 tf
->category
= WLAN_CATEGORY_TDLS
;
2581 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2583 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2584 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2585 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2587 case WLAN_TDLS_TEARDOWN
:
2588 tf
->category
= WLAN_CATEGORY_TDLS
;
2589 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2591 skb_put(skb
, sizeof(tf
->u
.teardown
));
2592 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2594 case WLAN_TDLS_DISCOVERY_REQUEST
:
2595 tf
->category
= WLAN_CATEGORY_TDLS
;
2596 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2598 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2599 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2609 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2610 u8
*peer
, u8 action_code
, u8 dialog_token
,
2611 u16 status_code
, struct sk_buff
*skb
)
2613 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2614 struct ieee80211_mgmt
*mgmt
;
2616 mgmt
= (void *)skb_put(skb
, 24);
2617 memset(mgmt
, 0, 24);
2618 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2619 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2620 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2622 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2623 IEEE80211_STYPE_ACTION
);
2625 switch (action_code
) {
2626 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2627 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2628 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2629 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2630 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2631 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2633 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2634 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2636 ieee80211_add_srates_ie(&sdata
->vif
, skb
, false);
2637 ieee80211_add_ext_srates_ie(&sdata
->vif
, skb
, false);
2638 ieee80211_tdls_add_ext_capab(skb
);
2647 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2648 u8
*peer
, u8 action_code
, u8 dialog_token
,
2649 u16 status_code
, const u8
*extra_ies
,
2650 size_t extra_ies_len
)
2652 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2653 struct ieee80211_local
*local
= sdata
->local
;
2654 struct ieee80211_tx_info
*info
;
2655 struct sk_buff
*skb
= NULL
;
2659 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2662 /* make sure we are in managed mode, and associated */
2663 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2664 !sdata
->u
.mgd
.associated
)
2667 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2668 pr_debug("TDLS mgmt action %d peer %pM\n", action_code
, peer
);
2671 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2672 max(sizeof(struct ieee80211_mgmt
),
2673 sizeof(struct ieee80211_tdls_data
)) +
2674 50 + /* supported rates */
2677 sizeof(struct ieee80211_tdls_lnkie
));
2681 info
= IEEE80211_SKB_CB(skb
);
2682 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2684 switch (action_code
) {
2685 case WLAN_TDLS_SETUP_REQUEST
:
2686 case WLAN_TDLS_SETUP_RESPONSE
:
2687 case WLAN_TDLS_SETUP_CONFIRM
:
2688 case WLAN_TDLS_TEARDOWN
:
2689 case WLAN_TDLS_DISCOVERY_REQUEST
:
2690 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2691 action_code
, dialog_token
,
2693 send_direct
= false;
2695 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2696 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2697 dialog_token
, status_code
,
2710 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2712 /* the TDLS link IE is always added last */
2713 switch (action_code
) {
2714 case WLAN_TDLS_SETUP_REQUEST
:
2715 case WLAN_TDLS_SETUP_CONFIRM
:
2716 case WLAN_TDLS_TEARDOWN
:
2717 case WLAN_TDLS_DISCOVERY_REQUEST
:
2718 /* we are the initiator */
2719 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2720 sdata
->u
.mgd
.bssid
);
2722 case WLAN_TDLS_SETUP_RESPONSE
:
2723 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2724 /* we are the responder */
2725 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2726 sdata
->u
.mgd
.bssid
);
2734 ieee80211_tx_skb(sdata
, skb
);
2739 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2740 * we should default to AC_VI.
2742 switch (action_code
) {
2743 case WLAN_TDLS_SETUP_REQUEST
:
2744 case WLAN_TDLS_SETUP_RESPONSE
:
2745 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
2749 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
2754 /* disable bottom halves when entering the Tx path */
2756 ret
= ieee80211_subif_start_xmit(skb
, dev
);
2766 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2767 u8
*peer
, enum nl80211_tdls_operation oper
)
2769 struct sta_info
*sta
;
2770 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2772 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2775 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2778 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2779 pr_debug("TDLS oper %d peer %pM\n", oper
, peer
);
2783 case NL80211_TDLS_ENABLE_LINK
:
2785 sta
= sta_info_get(sdata
, peer
);
2791 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
2794 case NL80211_TDLS_DISABLE_LINK
:
2795 return sta_info_destroy_addr(sdata
, peer
);
2796 case NL80211_TDLS_TEARDOWN
:
2797 case NL80211_TDLS_SETUP
:
2798 case NL80211_TDLS_DISCOVERY_REQ
:
2799 /* We don't support in-driver setup/teardown/discovery */
2808 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
2809 const u8
*peer
, u64
*cookie
)
2811 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2812 struct ieee80211_local
*local
= sdata
->local
;
2813 struct ieee80211_qos_hdr
*nullfunc
;
2814 struct sk_buff
*skb
;
2815 int size
= sizeof(*nullfunc
);
2818 struct ieee80211_tx_info
*info
;
2819 struct sta_info
*sta
;
2822 sta
= sta_info_get(sdata
, peer
);
2824 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
2832 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2833 IEEE80211_STYPE_QOS_NULLFUNC
|
2834 IEEE80211_FCTL_FROMDS
);
2837 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2838 IEEE80211_STYPE_NULLFUNC
|
2839 IEEE80211_FCTL_FROMDS
);
2842 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
2848 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2850 nullfunc
= (void *) skb_put(skb
, size
);
2851 nullfunc
->frame_control
= fc
;
2852 nullfunc
->duration_id
= 0;
2853 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
2854 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
2855 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
2856 nullfunc
->seq_ctrl
= 0;
2858 info
= IEEE80211_SKB_CB(skb
);
2860 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
2861 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
2863 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
2866 nullfunc
->qos_ctrl
= cpu_to_le16(7);
2869 ieee80211_xmit(sdata
, skb
);
2872 *cookie
= (unsigned long) skb
;
2876 static struct ieee80211_channel
*
2877 ieee80211_wiphy_get_channel(struct wiphy
*wiphy
,
2878 enum nl80211_channel_type
*type
)
2880 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2882 *type
= local
->_oper_channel_type
;
2883 return local
->oper_channel
;
2887 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
2889 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
2893 struct cfg80211_ops mac80211_config_ops
= {
2894 .add_virtual_intf
= ieee80211_add_iface
,
2895 .del_virtual_intf
= ieee80211_del_iface
,
2896 .change_virtual_intf
= ieee80211_change_iface
,
2897 .add_key
= ieee80211_add_key
,
2898 .del_key
= ieee80211_del_key
,
2899 .get_key
= ieee80211_get_key
,
2900 .set_default_key
= ieee80211_config_default_key
,
2901 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
2902 .start_ap
= ieee80211_start_ap
,
2903 .change_beacon
= ieee80211_change_beacon
,
2904 .stop_ap
= ieee80211_stop_ap
,
2905 .add_station
= ieee80211_add_station
,
2906 .del_station
= ieee80211_del_station
,
2907 .change_station
= ieee80211_change_station
,
2908 .get_station
= ieee80211_get_station
,
2909 .dump_station
= ieee80211_dump_station
,
2910 .dump_survey
= ieee80211_dump_survey
,
2911 #ifdef CONFIG_MAC80211_MESH
2912 .add_mpath
= ieee80211_add_mpath
,
2913 .del_mpath
= ieee80211_del_mpath
,
2914 .change_mpath
= ieee80211_change_mpath
,
2915 .get_mpath
= ieee80211_get_mpath
,
2916 .dump_mpath
= ieee80211_dump_mpath
,
2917 .update_mesh_config
= ieee80211_update_mesh_config
,
2918 .get_mesh_config
= ieee80211_get_mesh_config
,
2919 .join_mesh
= ieee80211_join_mesh
,
2920 .leave_mesh
= ieee80211_leave_mesh
,
2922 .change_bss
= ieee80211_change_bss
,
2923 .set_txq_params
= ieee80211_set_txq_params
,
2924 .set_channel
= ieee80211_set_channel
,
2925 .suspend
= ieee80211_suspend
,
2926 .resume
= ieee80211_resume
,
2927 .scan
= ieee80211_scan
,
2928 .sched_scan_start
= ieee80211_sched_scan_start
,
2929 .sched_scan_stop
= ieee80211_sched_scan_stop
,
2930 .auth
= ieee80211_auth
,
2931 .assoc
= ieee80211_assoc
,
2932 .deauth
= ieee80211_deauth
,
2933 .disassoc
= ieee80211_disassoc
,
2934 .join_ibss
= ieee80211_join_ibss
,
2935 .leave_ibss
= ieee80211_leave_ibss
,
2936 .set_wiphy_params
= ieee80211_set_wiphy_params
,
2937 .set_tx_power
= ieee80211_set_tx_power
,
2938 .get_tx_power
= ieee80211_get_tx_power
,
2939 .set_wds_peer
= ieee80211_set_wds_peer
,
2940 .rfkill_poll
= ieee80211_rfkill_poll
,
2941 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
2942 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
2943 .set_power_mgmt
= ieee80211_set_power_mgmt
,
2944 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
2945 .remain_on_channel
= ieee80211_remain_on_channel
,
2946 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
2947 .mgmt_tx
= ieee80211_mgmt_tx
,
2948 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
2949 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
2950 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
2951 .set_antenna
= ieee80211_set_antenna
,
2952 .get_antenna
= ieee80211_get_antenna
,
2953 .set_ringparam
= ieee80211_set_ringparam
,
2954 .get_ringparam
= ieee80211_get_ringparam
,
2955 .set_rekey_data
= ieee80211_set_rekey_data
,
2956 .tdls_oper
= ieee80211_tdls_oper
,
2957 .tdls_mgmt
= ieee80211_tdls_mgmt
,
2958 .probe_client
= ieee80211_probe_client
,
2959 .get_channel
= ieee80211_wiphy_get_channel
,
2960 .set_noack_map
= ieee80211_set_noack_map
,
2962 .set_wakeup
= ieee80211_set_wakeup
,
2964 .get_et_sset_count
= ieee80211_get_et_sset_count
,
2965 .get_et_stats
= ieee80211_get_et_stats
,
2966 .get_et_strings
= ieee80211_get_et_strings
,