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_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 ieee80211_local
*local
= sdata
->local
;
357 struct timespec uptime
;
359 sinfo
->generation
= sdata
->local
->sta_generation
;
361 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
362 STATION_INFO_RX_BYTES
|
363 STATION_INFO_TX_BYTES
|
364 STATION_INFO_RX_PACKETS
|
365 STATION_INFO_TX_PACKETS
|
366 STATION_INFO_TX_RETRIES
|
367 STATION_INFO_TX_FAILED
|
368 STATION_INFO_TX_BITRATE
|
369 STATION_INFO_RX_BITRATE
|
370 STATION_INFO_RX_DROP_MISC
|
371 STATION_INFO_BSS_PARAM
|
372 STATION_INFO_CONNECTED_TIME
|
373 STATION_INFO_STA_FLAGS
|
374 STATION_INFO_BEACON_LOSS_COUNT
;
376 do_posix_clock_monotonic_gettime(&uptime
);
377 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
379 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
380 sinfo
->rx_bytes
= sta
->rx_bytes
;
381 sinfo
->tx_bytes
= sta
->tx_bytes
;
382 sinfo
->rx_packets
= sta
->rx_packets
;
383 sinfo
->tx_packets
= sta
->tx_packets
;
384 sinfo
->tx_retries
= sta
->tx_retry_count
;
385 sinfo
->tx_failed
= sta
->tx_retry_failed
;
386 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
387 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
389 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
390 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
391 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
392 if (!local
->ops
->get_rssi
||
393 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
394 sinfo
->signal
= (s8
)sta
->last_signal
;
395 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
398 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
400 sinfo
->rxrate
.flags
= 0;
401 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
402 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
403 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
404 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
405 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
406 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
407 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
409 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
410 #ifdef CONFIG_MAC80211_MESH
411 sinfo
->filled
|= STATION_INFO_LLID
|
413 STATION_INFO_PLINK_STATE
;
415 sinfo
->llid
= le16_to_cpu(sta
->llid
);
416 sinfo
->plid
= le16_to_cpu(sta
->plid
);
417 sinfo
->plink_state
= sta
->plink_state
;
418 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
419 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
420 sinfo
->t_offset
= sta
->t_offset
;
425 sinfo
->bss_param
.flags
= 0;
426 if (sdata
->vif
.bss_conf
.use_cts_prot
)
427 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
428 if (sdata
->vif
.bss_conf
.use_short_preamble
)
429 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
430 if (sdata
->vif
.bss_conf
.use_short_slot
)
431 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
432 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
433 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
435 sinfo
->sta_flags
.set
= 0;
436 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
437 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
438 BIT(NL80211_STA_FLAG_WME
) |
439 BIT(NL80211_STA_FLAG_MFP
) |
440 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
441 BIT(NL80211_STA_FLAG_TDLS_PEER
);
442 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
443 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
444 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
445 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
446 if (test_sta_flag(sta
, WLAN_STA_WME
))
447 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
448 if (test_sta_flag(sta
, WLAN_STA_MFP
))
449 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
450 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
451 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
452 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
453 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
456 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
457 "rx_packets", "rx_bytes", "wep_weak_iv_count",
458 "rx_duplicates", "rx_fragments", "rx_dropped",
459 "tx_packets", "tx_bytes", "tx_fragments",
460 "tx_filtered", "tx_retry_failed", "tx_retries",
461 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
462 "channel", "noise", "ch_time", "ch_time_busy",
463 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
465 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
467 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
468 struct net_device
*dev
,
471 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
474 if (sset
== ETH_SS_STATS
)
477 rv
+= drv_get_et_sset_count(sdata
, sset
);
484 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
485 struct net_device
*dev
,
486 struct ethtool_stats
*stats
,
489 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
490 struct sta_info
*sta
;
491 struct ieee80211_local
*local
= sdata
->local
;
492 struct station_info sinfo
;
493 struct survey_info survey
;
495 #define STA_STATS_SURVEY_LEN 7
497 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
499 #define ADD_STA_STATS(sta) \
501 data[i++] += sta->rx_packets; \
502 data[i++] += sta->rx_bytes; \
503 data[i++] += sta->wep_weak_iv_count; \
504 data[i++] += sta->num_duplicates; \
505 data[i++] += sta->rx_fragments; \
506 data[i++] += sta->rx_dropped; \
508 data[i++] += sta->tx_packets; \
509 data[i++] += sta->tx_bytes; \
510 data[i++] += sta->tx_fragments; \
511 data[i++] += sta->tx_filtered_count; \
512 data[i++] += sta->tx_retry_failed; \
513 data[i++] += sta->tx_retry_count; \
514 data[i++] += sta->beacon_loss_count; \
517 /* For Managed stations, find the single station based on BSSID
518 * and use that. For interface types, iterate through all available
519 * stations and add stats for any station that is assigned to this
523 mutex_lock(&local
->sta_mtx
);
525 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
526 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
528 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
534 data
[i
++] = sta
->sta_state
;
537 sta_set_sinfo(sta
, &sinfo
);
539 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
541 cfg80211_calculate_bitrate(&sinfo
.txrate
);
543 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
545 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
548 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
549 data
[i
] = (u8
)sinfo
.signal_avg
;
552 list_for_each_entry(sta
, &local
->sta_list
, list
) {
553 /* Make sure this station belongs to the proper dev */
554 if (sta
->sdata
->dev
!= dev
)
563 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
564 /* Get survey stats for current channel */
568 if (drv_get_survey(local
, q
, &survey
) != 0) {
573 if (survey
.channel
&&
574 (local
->oper_channel
->center_freq
==
575 survey
.channel
->center_freq
))
581 data
[i
++] = survey
.channel
->center_freq
;
584 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
585 data
[i
++] = (u8
)survey
.noise
;
588 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
589 data
[i
++] = survey
.channel_time
;
592 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
593 data
[i
++] = survey
.channel_time_busy
;
596 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
597 data
[i
++] = survey
.channel_time_ext_busy
;
600 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
601 data
[i
++] = survey
.channel_time_rx
;
604 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
605 data
[i
++] = survey
.channel_time_tx
;
609 mutex_unlock(&local
->sta_mtx
);
611 if (WARN_ON(i
!= STA_STATS_LEN
))
614 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
617 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
618 struct net_device
*dev
,
621 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
622 int sz_sta_stats
= 0;
624 if (sset
== ETH_SS_STATS
) {
625 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
626 memcpy(data
, *ieee80211_gstrings_sta_stats
, sz_sta_stats
);
628 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
631 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
632 int idx
, u8
*mac
, struct station_info
*sinfo
)
634 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
635 struct ieee80211_local
*local
= sdata
->local
;
636 struct sta_info
*sta
;
639 mutex_lock(&local
->sta_mtx
);
641 sta
= sta_info_get_by_idx(sdata
, idx
);
644 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
645 sta_set_sinfo(sta
, sinfo
);
648 mutex_unlock(&local
->sta_mtx
);
653 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
654 int idx
, struct survey_info
*survey
)
656 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
658 return drv_get_survey(local
, idx
, survey
);
661 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
662 u8
*mac
, struct station_info
*sinfo
)
664 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
665 struct ieee80211_local
*local
= sdata
->local
;
666 struct sta_info
*sta
;
669 mutex_lock(&local
->sta_mtx
);
671 sta
= sta_info_get_bss(sdata
, mac
);
674 sta_set_sinfo(sta
, sinfo
);
677 mutex_unlock(&local
->sta_mtx
);
682 static int ieee80211_set_channel(struct wiphy
*wiphy
,
683 struct net_device
*netdev
,
684 struct ieee80211_channel
*chan
,
685 enum nl80211_channel_type channel_type
)
687 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
688 struct ieee80211_sub_if_data
*sdata
= NULL
;
691 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
693 switch (ieee80211_get_channel_mode(local
, NULL
)) {
694 case CHAN_MODE_HOPPING
:
696 case CHAN_MODE_FIXED
:
697 if (local
->oper_channel
!= chan
||
698 (!sdata
&& local
->_oper_channel_type
!= channel_type
))
700 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
703 case CHAN_MODE_UNDEFINED
:
707 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
710 local
->oper_channel
= chan
;
712 /* auto-detects changes */
713 ieee80211_hw_config(local
, 0);
718 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
719 struct ieee80211_channel
*chan
,
720 enum nl80211_channel_type channel_type
)
722 return ieee80211_set_channel(wiphy
, NULL
, chan
, channel_type
);
725 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
726 const u8
*resp
, size_t resp_len
)
728 struct sk_buff
*new, *old
;
730 if (!resp
|| !resp_len
)
733 old
= rtnl_dereference(sdata
->u
.ap
.probe_resp
);
735 new = dev_alloc_skb(resp_len
);
739 memcpy(skb_put(new, resp_len
), resp
, resp_len
);
741 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
743 /* TODO: use call_rcu() */
751 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
752 struct cfg80211_beacon_data
*params
)
754 struct beacon_data
*new, *old
;
755 int new_head_len
, new_tail_len
;
757 u32 changed
= BSS_CHANGED_BEACON
;
759 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
761 /* Need to have a beacon head if we don't have one yet */
762 if (!params
->head
&& !old
)
765 /* new or old head? */
767 new_head_len
= params
->head_len
;
769 new_head_len
= old
->head_len
;
771 /* new or old tail? */
772 if (params
->tail
|| !old
)
773 /* params->tail_len will be zero for !params->tail */
774 new_tail_len
= params
->tail_len
;
776 new_tail_len
= old
->tail_len
;
778 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
780 new = kzalloc(size
, GFP_KERNEL
);
784 /* start filling the new info now */
787 * pointers go into the block we allocated,
788 * memory is | beacon_data | head | tail |
790 new->head
= ((u8
*) new) + sizeof(*new);
791 new->tail
= new->head
+ new_head_len
;
792 new->head_len
= new_head_len
;
793 new->tail_len
= new_tail_len
;
797 memcpy(new->head
, params
->head
, new_head_len
);
799 memcpy(new->head
, old
->head
, new_head_len
);
801 /* copy in optional tail */
803 memcpy(new->tail
, params
->tail
, new_tail_len
);
806 memcpy(new->tail
, old
->tail
, new_tail_len
);
808 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
809 params
->probe_resp_len
);
813 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
815 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
818 kfree_rcu(old
, rcu_head
);
823 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
824 struct cfg80211_ap_settings
*params
)
826 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
827 struct beacon_data
*old
;
828 struct ieee80211_sub_if_data
*vlan
;
829 u32 changed
= BSS_CHANGED_BEACON_INT
|
830 BSS_CHANGED_BEACON_ENABLED
|
835 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
839 err
= ieee80211_set_channel(wiphy
, dev
, params
->channel
,
840 params
->channel_type
);
845 * Apply control port protocol, this allows us to
846 * not encrypt dynamic WEP control frames.
848 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
849 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
850 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
851 vlan
->control_port_protocol
=
852 params
->crypto
.control_port_ethertype
;
853 vlan
->control_port_no_encrypt
=
854 params
->crypto
.control_port_no_encrypt
;
857 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
858 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
860 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
861 if (params
->ssid_len
)
862 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
864 sdata
->vif
.bss_conf
.hidden_ssid
=
865 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
867 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
872 ieee80211_bss_info_change_notify(sdata
, changed
);
874 netif_carrier_on(dev
);
875 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
876 netif_carrier_on(vlan
->dev
);
881 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
882 struct cfg80211_beacon_data
*params
)
884 struct ieee80211_sub_if_data
*sdata
;
885 struct beacon_data
*old
;
888 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
890 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
894 err
= ieee80211_assign_beacon(sdata
, params
);
897 ieee80211_bss_info_change_notify(sdata
, err
);
901 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
903 struct ieee80211_sub_if_data
*sdata
, *vlan
;
904 struct beacon_data
*old
;
906 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
908 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
912 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
913 netif_carrier_off(vlan
->dev
);
914 netif_carrier_off(dev
);
916 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
918 kfree_rcu(old
, rcu_head
);
920 sta_info_flush(sdata
->local
, sdata
);
921 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
926 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
927 struct iapp_layer2_update
{
928 u8 da
[ETH_ALEN
]; /* broadcast */
929 u8 sa
[ETH_ALEN
]; /* STA addr */
937 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
939 struct iapp_layer2_update
*msg
;
942 /* Send Level 2 Update Frame to update forwarding tables in layer 2
945 skb
= dev_alloc_skb(sizeof(*msg
));
948 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
950 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
951 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
953 memset(msg
->da
, 0xff, ETH_ALEN
);
954 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
957 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
958 msg
->control
= 0xaf; /* XID response lsb.1111F101.
959 * F=0 (no poll command; unsolicited frame) */
960 msg
->xid_info
[0] = 0x81; /* XID format identifier */
961 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
962 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
964 skb
->dev
= sta
->sdata
->dev
;
965 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
966 memset(skb
->cb
, 0, sizeof(skb
->cb
));
970 static int sta_apply_parameters(struct ieee80211_local
*local
,
971 struct sta_info
*sta
,
972 struct station_parameters
*params
)
977 struct ieee80211_supported_band
*sband
;
978 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
981 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
983 mask
= params
->sta_flags_mask
;
984 set
= params
->sta_flags_set
;
987 * In mesh mode, we can clear AUTHENTICATED flag but must
988 * also make ASSOCIATED follow appropriately for the driver
989 * API. See also below, after AUTHORIZED changes.
991 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
992 /* cfg80211 should not allow this in non-mesh modes */
993 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
996 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
997 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
998 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1001 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1007 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1008 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1009 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1010 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1011 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1016 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
1017 /* cfg80211 should not allow this in non-mesh modes */
1018 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata
->vif
)))
1021 if (!(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1022 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1023 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1026 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1033 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1034 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1035 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1037 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1040 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1041 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1042 set_sta_flag(sta
, WLAN_STA_WME
);
1043 sta
->sta
.wme
= true;
1045 clear_sta_flag(sta
, WLAN_STA_WME
);
1046 sta
->sta
.wme
= false;
1050 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1051 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1052 set_sta_flag(sta
, WLAN_STA_MFP
);
1054 clear_sta_flag(sta
, WLAN_STA_MFP
);
1057 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1058 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1059 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1061 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1064 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1065 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1066 sta
->sta
.max_sp
= params
->max_sp
;
1070 * cfg80211 validates this (1-2007) and allows setting the AID
1071 * only when creating a new station entry
1074 sta
->sta
.aid
= params
->aid
;
1077 * FIXME: updating the following information is racy when this
1078 * function is called from ieee80211_change_station().
1079 * However, all this information should be static so
1080 * maybe we should just reject attemps to change it.
1083 if (params
->listen_interval
>= 0)
1084 sta
->listen_interval
= params
->listen_interval
;
1086 if (params
->supported_rates
) {
1089 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
1090 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
1091 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1092 if (sband
->bitrates
[j
].bitrate
== rate
)
1096 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
1099 if (params
->ht_capa
)
1100 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1104 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1105 #ifdef CONFIG_MAC80211_MESH
1106 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
1107 switch (params
->plink_state
) {
1108 case NL80211_PLINK_LISTEN
:
1109 case NL80211_PLINK_ESTAB
:
1110 case NL80211_PLINK_BLOCKED
:
1111 sta
->plink_state
= params
->plink_state
;
1118 switch (params
->plink_action
) {
1119 case PLINK_ACTION_OPEN
:
1120 mesh_plink_open(sta
);
1122 case PLINK_ACTION_BLOCK
:
1123 mesh_plink_block(sta
);
1132 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1133 u8
*mac
, struct station_parameters
*params
)
1135 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1136 struct sta_info
*sta
;
1137 struct ieee80211_sub_if_data
*sdata
;
1142 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1144 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1145 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1148 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1150 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1153 if (is_multicast_ether_addr(mac
))
1156 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1160 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1161 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1163 err
= sta_apply_parameters(local
, sta
, params
);
1165 sta_info_free(local
, sta
);
1170 * for TDLS, rate control should be initialized only when supported
1173 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1174 rate_control_rate_init(sta
);
1176 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1177 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1179 err
= sta_info_insert_rcu(sta
);
1186 ieee80211_send_layer2_update(sta
);
1193 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1196 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1197 struct ieee80211_sub_if_data
*sdata
;
1199 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1202 return sta_info_destroy_addr_bss(sdata
, mac
);
1204 sta_info_flush(local
, sdata
);
1208 static int ieee80211_change_station(struct wiphy
*wiphy
,
1209 struct net_device
*dev
,
1211 struct station_parameters
*params
)
1213 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1214 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1215 struct sta_info
*sta
;
1216 struct ieee80211_sub_if_data
*vlansdata
;
1219 mutex_lock(&local
->sta_mtx
);
1221 sta
= sta_info_get_bss(sdata
, mac
);
1223 mutex_unlock(&local
->sta_mtx
);
1227 /* in station mode, supported rates are only valid with TDLS */
1228 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1229 params
->supported_rates
&&
1230 !test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1231 mutex_unlock(&local
->sta_mtx
);
1235 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1236 bool prev_4addr
= false;
1237 bool new_4addr
= false;
1239 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1241 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1242 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
1243 mutex_unlock(&local
->sta_mtx
);
1247 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1248 if (vlansdata
->u
.vlan
.sta
) {
1249 mutex_unlock(&local
->sta_mtx
);
1253 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1257 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1258 sta
->sdata
->u
.vlan
.sta
) {
1259 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1263 sta
->sdata
= vlansdata
;
1265 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1266 prev_4addr
!= new_4addr
) {
1268 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1270 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1273 ieee80211_send_layer2_update(sta
);
1276 err
= sta_apply_parameters(local
, sta
, params
);
1278 mutex_unlock(&local
->sta_mtx
);
1282 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
1283 rate_control_rate_init(sta
);
1285 mutex_unlock(&local
->sta_mtx
);
1287 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1288 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1289 ieee80211_recalc_ps(local
, -1);
1294 #ifdef CONFIG_MAC80211_MESH
1295 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1296 u8
*dst
, u8
*next_hop
)
1298 struct ieee80211_sub_if_data
*sdata
;
1299 struct mesh_path
*mpath
;
1300 struct sta_info
*sta
;
1303 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1306 sta
= sta_info_get(sdata
, next_hop
);
1312 err
= mesh_path_add(dst
, sdata
);
1318 mpath
= mesh_path_lookup(dst
, sdata
);
1323 mesh_path_fix_nexthop(mpath
, sta
);
1329 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1332 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1335 return mesh_path_del(dst
, sdata
);
1337 mesh_path_flush_by_iface(sdata
);
1341 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1342 struct net_device
*dev
,
1343 u8
*dst
, u8
*next_hop
)
1345 struct ieee80211_sub_if_data
*sdata
;
1346 struct mesh_path
*mpath
;
1347 struct sta_info
*sta
;
1349 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1353 sta
= sta_info_get(sdata
, next_hop
);
1359 mpath
= mesh_path_lookup(dst
, sdata
);
1365 mesh_path_fix_nexthop(mpath
, sta
);
1371 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1372 struct mpath_info
*pinfo
)
1374 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1377 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1379 memset(next_hop
, 0, ETH_ALEN
);
1381 pinfo
->generation
= mesh_paths_generation
;
1383 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1386 MPATH_INFO_EXPTIME
|
1387 MPATH_INFO_DISCOVERY_TIMEOUT
|
1388 MPATH_INFO_DISCOVERY_RETRIES
|
1391 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1392 pinfo
->sn
= mpath
->sn
;
1393 pinfo
->metric
= mpath
->metric
;
1394 if (time_before(jiffies
, mpath
->exp_time
))
1395 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1396 pinfo
->discovery_timeout
=
1397 jiffies_to_msecs(mpath
->discovery_timeout
);
1398 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1400 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1401 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1402 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1403 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1404 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1405 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1406 if (mpath
->flags
& MESH_PATH_FIXED
)
1407 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1408 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1409 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1411 pinfo
->flags
= mpath
->flags
;
1414 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1415 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1418 struct ieee80211_sub_if_data
*sdata
;
1419 struct mesh_path
*mpath
;
1421 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1424 mpath
= mesh_path_lookup(dst
, sdata
);
1429 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1430 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1435 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1436 int idx
, u8
*dst
, u8
*next_hop
,
1437 struct mpath_info
*pinfo
)
1439 struct ieee80211_sub_if_data
*sdata
;
1440 struct mesh_path
*mpath
;
1442 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1445 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1450 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1451 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1456 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1457 struct net_device
*dev
,
1458 struct mesh_config
*conf
)
1460 struct ieee80211_sub_if_data
*sdata
;
1461 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1463 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1467 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1469 return (mask
>> (parm
-1)) & 0x1;
1472 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1473 const struct mesh_setup
*setup
)
1477 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1478 struct ieee80211_sub_if_data
, u
.mesh
);
1480 /* allocate information elements */
1484 if (setup
->ie_len
) {
1485 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1490 ifmsh
->ie_len
= setup
->ie_len
;
1494 /* now copy the rest of the setup parameters */
1495 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1496 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1497 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1498 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1499 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1500 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1501 if (setup
->is_authenticated
)
1502 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1503 if (setup
->is_secure
)
1504 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1506 /* mcast rate setting in Mesh Node */
1507 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1508 sizeof(setup
->mcast_rate
));
1513 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1514 struct net_device
*dev
, u32 mask
,
1515 const struct mesh_config
*nconf
)
1517 struct mesh_config
*conf
;
1518 struct ieee80211_sub_if_data
*sdata
;
1519 struct ieee80211_if_mesh
*ifmsh
;
1521 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1522 ifmsh
= &sdata
->u
.mesh
;
1524 /* Set the config options which we are interested in setting */
1525 conf
= &(sdata
->u
.mesh
.mshcfg
);
1526 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1527 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1528 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1529 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1530 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1531 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1532 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1533 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1534 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1535 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1536 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1537 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1538 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1539 conf
->element_ttl
= nconf
->element_ttl
;
1540 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1541 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1542 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1543 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1544 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1545 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1546 conf
->dot11MeshHWMPmaxPREQretries
=
1547 nconf
->dot11MeshHWMPmaxPREQretries
;
1548 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1549 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1550 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1551 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1552 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1553 conf
->dot11MeshHWMPactivePathTimeout
=
1554 nconf
->dot11MeshHWMPactivePathTimeout
;
1555 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1556 conf
->dot11MeshHWMPpreqMinInterval
=
1557 nconf
->dot11MeshHWMPpreqMinInterval
;
1558 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1559 conf
->dot11MeshHWMPperrMinInterval
=
1560 nconf
->dot11MeshHWMPperrMinInterval
;
1561 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1563 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1564 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1565 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1566 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1567 ieee80211_mesh_root_setup(ifmsh
);
1569 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1570 /* our current gate announcement implementation rides on root
1571 * announcements, so require this ifmsh to also be a root node
1573 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1574 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1575 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1576 ieee80211_mesh_root_setup(ifmsh
);
1578 conf
->dot11MeshGateAnnouncementProtocol
=
1579 nconf
->dot11MeshGateAnnouncementProtocol
;
1581 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1582 conf
->dot11MeshHWMPRannInterval
=
1583 nconf
->dot11MeshHWMPRannInterval
;
1584 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1585 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1586 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1587 /* our RSSI threshold implementation is supported only for
1588 * devices that report signal in dBm.
1590 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1592 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1594 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1595 conf
->ht_opmode
= nconf
->ht_opmode
;
1596 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1597 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1599 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1600 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1601 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1602 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1603 conf
->dot11MeshHWMProotInterval
=
1604 nconf
->dot11MeshHWMProotInterval
;
1605 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1606 conf
->dot11MeshHWMPconfirmationInterval
=
1607 nconf
->dot11MeshHWMPconfirmationInterval
;
1611 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1612 const struct mesh_config
*conf
,
1613 const struct mesh_setup
*setup
)
1615 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1616 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1619 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1620 err
= copy_mesh_setup(ifmsh
, setup
);
1624 err
= ieee80211_set_channel(wiphy
, dev
, setup
->channel
,
1625 setup
->channel_type
);
1629 ieee80211_start_mesh(sdata
);
1634 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1636 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1638 ieee80211_stop_mesh(sdata
);
1644 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1645 struct net_device
*dev
,
1646 struct bss_parameters
*params
)
1648 struct ieee80211_sub_if_data
*sdata
;
1651 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1653 if (params
->use_cts_prot
>= 0) {
1654 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1655 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1657 if (params
->use_short_preamble
>= 0) {
1658 sdata
->vif
.bss_conf
.use_short_preamble
=
1659 params
->use_short_preamble
;
1660 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1663 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1664 sdata
->local
->hw
.conf
.channel
->band
== IEEE80211_BAND_5GHZ
) {
1665 sdata
->vif
.bss_conf
.use_short_slot
= true;
1666 changed
|= BSS_CHANGED_ERP_SLOT
;
1669 if (params
->use_short_slot_time
>= 0) {
1670 sdata
->vif
.bss_conf
.use_short_slot
=
1671 params
->use_short_slot_time
;
1672 changed
|= BSS_CHANGED_ERP_SLOT
;
1675 if (params
->basic_rates
) {
1678 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1679 struct ieee80211_supported_band
*sband
=
1680 wiphy
->bands
[local
->oper_channel
->band
];
1682 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1683 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1684 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1685 if (sband
->bitrates
[j
].bitrate
== rate
)
1689 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1690 changed
|= BSS_CHANGED_BASIC_RATES
;
1693 if (params
->ap_isolate
>= 0) {
1694 if (params
->ap_isolate
)
1695 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1697 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1700 if (params
->ht_opmode
>= 0) {
1701 sdata
->vif
.bss_conf
.ht_operation_mode
=
1702 (u16
) params
->ht_opmode
;
1703 changed
|= BSS_CHANGED_HT
;
1706 ieee80211_bss_info_change_notify(sdata
, changed
);
1711 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1712 struct net_device
*dev
,
1713 struct ieee80211_txq_params
*params
)
1715 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1716 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1717 struct ieee80211_tx_queue_params p
;
1719 if (!local
->ops
->conf_tx
)
1722 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1725 memset(&p
, 0, sizeof(p
));
1726 p
.aifs
= params
->aifs
;
1727 p
.cw_max
= params
->cwmax
;
1728 p
.cw_min
= params
->cwmin
;
1729 p
.txop
= params
->txop
;
1732 * Setting tx queue params disables u-apsd because it's only
1733 * called in master mode.
1737 sdata
->tx_conf
[params
->ac
] = p
;
1738 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1739 wiphy_debug(local
->hw
.wiphy
,
1740 "failed to set TX queue parameters for AC %d\n",
1745 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1751 static int ieee80211_suspend(struct wiphy
*wiphy
,
1752 struct cfg80211_wowlan
*wowlan
)
1754 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1757 static int ieee80211_resume(struct wiphy
*wiphy
)
1759 return __ieee80211_resume(wiphy_priv(wiphy
));
1762 #define ieee80211_suspend NULL
1763 #define ieee80211_resume NULL
1766 static int ieee80211_scan(struct wiphy
*wiphy
,
1767 struct cfg80211_scan_request
*req
)
1769 struct ieee80211_sub_if_data
*sdata
;
1771 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1773 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1774 case NL80211_IFTYPE_STATION
:
1775 case NL80211_IFTYPE_ADHOC
:
1776 case NL80211_IFTYPE_MESH_POINT
:
1777 case NL80211_IFTYPE_P2P_CLIENT
:
1779 case NL80211_IFTYPE_P2P_GO
:
1780 if (sdata
->local
->ops
->hw_scan
)
1783 * FIXME: implement NoA while scanning in software,
1784 * for now fall through to allow scanning only when
1785 * beaconing hasn't been configured yet
1787 case NL80211_IFTYPE_AP
:
1788 if (sdata
->u
.ap
.beacon
)
1795 return ieee80211_request_scan(sdata
, req
);
1799 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1800 struct net_device
*dev
,
1801 struct cfg80211_sched_scan_request
*req
)
1803 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1805 if (!sdata
->local
->ops
->sched_scan_start
)
1808 return ieee80211_request_sched_scan_start(sdata
, req
);
1812 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1814 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1816 if (!sdata
->local
->ops
->sched_scan_stop
)
1819 return ieee80211_request_sched_scan_stop(sdata
);
1822 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1823 struct cfg80211_auth_request
*req
)
1825 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1828 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1829 struct cfg80211_assoc_request
*req
)
1831 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1832 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1834 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1835 case CHAN_MODE_HOPPING
:
1837 case CHAN_MODE_FIXED
:
1838 if (local
->oper_channel
== req
->bss
->channel
)
1841 case CHAN_MODE_UNDEFINED
:
1845 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1848 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1849 struct cfg80211_deauth_request
*req
)
1851 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1854 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1855 struct cfg80211_disassoc_request
*req
)
1857 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1860 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1861 struct cfg80211_ibss_params
*params
)
1863 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1864 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1866 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1867 case CHAN_MODE_HOPPING
:
1869 case CHAN_MODE_FIXED
:
1870 if (!params
->channel_fixed
)
1872 if (local
->oper_channel
== params
->channel
)
1875 case CHAN_MODE_UNDEFINED
:
1879 return ieee80211_ibss_join(sdata
, params
);
1882 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1884 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1886 return ieee80211_ibss_leave(sdata
);
1889 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1891 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1894 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1895 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1901 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1902 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1908 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1909 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1915 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1916 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1917 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1918 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1920 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1921 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1926 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1927 enum nl80211_tx_power_setting type
, int mbm
)
1929 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1930 struct ieee80211_channel
*chan
= local
->hw
.conf
.channel
;
1934 case NL80211_TX_POWER_AUTOMATIC
:
1935 local
->user_power_level
= -1;
1937 case NL80211_TX_POWER_LIMITED
:
1938 if (mbm
< 0 || (mbm
% 100))
1940 local
->user_power_level
= MBM_TO_DBM(mbm
);
1942 case NL80211_TX_POWER_FIXED
:
1943 if (mbm
< 0 || (mbm
% 100))
1945 /* TODO: move to cfg80211 when it knows the channel */
1946 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1948 local
->user_power_level
= MBM_TO_DBM(mbm
);
1952 ieee80211_hw_config(local
, changes
);
1957 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1959 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1961 *dbm
= local
->hw
.conf
.power_level
;
1966 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1969 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1971 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1976 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1978 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1980 drv_rfkill_poll(local
);
1983 #ifdef CONFIG_NL80211_TESTMODE
1984 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1986 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1988 if (!local
->ops
->testmode_cmd
)
1991 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
1994 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
1995 struct sk_buff
*skb
,
1996 struct netlink_callback
*cb
,
1997 void *data
, int len
)
1999 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2001 if (!local
->ops
->testmode_dump
)
2004 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2008 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
2009 enum ieee80211_smps_mode smps_mode
)
2012 enum ieee80211_smps_mode old_req
;
2015 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
2017 old_req
= sdata
->u
.mgd
.req_smps
;
2018 sdata
->u
.mgd
.req_smps
= smps_mode
;
2020 if (old_req
== smps_mode
&&
2021 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2025 * If not associated, or current association is not an HT
2026 * association, there's no need to send an action frame.
2028 if (!sdata
->u
.mgd
.associated
||
2029 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
2030 mutex_lock(&sdata
->local
->iflist_mtx
);
2031 ieee80211_recalc_smps(sdata
->local
);
2032 mutex_unlock(&sdata
->local
->iflist_mtx
);
2036 ap
= sdata
->u
.mgd
.associated
->bssid
;
2038 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2039 if (sdata
->u
.mgd
.powersave
)
2040 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2042 smps_mode
= IEEE80211_SMPS_OFF
;
2045 /* send SM PS frame to AP */
2046 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2049 sdata
->u
.mgd
.req_smps
= old_req
;
2054 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2055 bool enabled
, int timeout
)
2057 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2058 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2060 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2063 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2066 if (enabled
== sdata
->u
.mgd
.powersave
&&
2067 timeout
== local
->dynamic_ps_forced_timeout
)
2070 sdata
->u
.mgd
.powersave
= enabled
;
2071 local
->dynamic_ps_forced_timeout
= timeout
;
2073 /* no change, but if automatic follow powersave */
2074 mutex_lock(&sdata
->u
.mgd
.mtx
);
2075 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
2076 mutex_unlock(&sdata
->u
.mgd
.mtx
);
2078 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2079 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2081 ieee80211_recalc_ps(local
, -1);
2086 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2087 struct net_device
*dev
,
2088 s32 rssi_thold
, u32 rssi_hyst
)
2090 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2091 struct ieee80211_vif
*vif
= &sdata
->vif
;
2092 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2094 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2095 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2098 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2099 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2101 /* tell the driver upon association, unless already associated */
2102 if (sdata
->u
.mgd
.associated
&&
2103 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2104 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2109 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2110 struct net_device
*dev
,
2112 const struct cfg80211_bitrate_mask
*mask
)
2114 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2115 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2118 if (!ieee80211_sdata_running(sdata
))
2121 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2122 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2127 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2128 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2129 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].mcs
,
2130 sizeof(mask
->control
[i
].mcs
));
2136 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2137 struct ieee80211_sub_if_data
*sdata
,
2138 struct ieee80211_channel
*channel
,
2139 enum nl80211_channel_type channel_type
,
2140 unsigned int duration
, u64
*cookie
,
2141 struct sk_buff
*txskb
)
2143 struct ieee80211_roc_work
*roc
, *tmp
;
2144 bool queued
= false;
2147 lockdep_assert_held(&local
->mtx
);
2149 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2153 roc
->chan
= channel
;
2154 roc
->chan_type
= channel_type
;
2155 roc
->duration
= duration
;
2156 roc
->req_duration
= duration
;
2158 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2160 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2161 INIT_LIST_HEAD(&roc
->dependents
);
2163 /* if there's one pending or we're scanning, queue this one */
2164 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2165 goto out_check_combine
;
2167 /* if not HW assist, just queue & schedule work */
2168 if (!local
->ops
->remain_on_channel
) {
2169 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2173 /* otherwise actually kick it off here (for error handling) */
2176 * If the duration is zero, then the driver
2177 * wouldn't actually do anything. Set it to
2180 * TODO: cancel the off-channel operation
2181 * when we get the SKB's TX status and
2182 * the wait time was zero before.
2187 ret
= drv_remain_on_channel(local
, channel
, channel_type
, duration
);
2193 roc
->started
= true;
2197 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2198 if (tmp
->chan
!= channel
|| tmp
->chan_type
!= channel_type
)
2202 * Extend this ROC if possible:
2204 * If it hasn't started yet, just increase the duration
2205 * and add the new one to the list of dependents.
2207 if (!tmp
->started
) {
2208 list_add_tail(&roc
->list
, &tmp
->dependents
);
2209 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2214 /* If it has already started, it's more difficult ... */
2215 if (local
->ops
->remain_on_channel
) {
2216 unsigned long j
= jiffies
;
2219 * In the offloaded ROC case, if it hasn't begun, add
2220 * this new one to the dependent list to be handled
2221 * when the the master one begins. If it has begun,
2222 * check that there's still a minimum time left and
2223 * if so, start this one, transmitting the frame, but
2224 * add it to the list directly after this one with a
2225 * a reduced time so we'll ask the driver to execute
2226 * it right after finishing the previous one, in the
2227 * hope that it'll also be executed right afterwards,
2228 * effectively extending the old one.
2229 * If there's no minimum time left, just add it to the
2232 if (!tmp
->hw_begun
) {
2233 list_add_tail(&roc
->list
, &tmp
->dependents
);
2238 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2239 tmp
->hw_start_time
+
2240 msecs_to_jiffies(tmp
->duration
))) {
2243 ieee80211_handle_roc_started(roc
);
2245 new_dur
= roc
->duration
-
2246 jiffies_to_msecs(tmp
->hw_start_time
+
2252 /* add right after tmp */
2253 list_add(&roc
->list
, &tmp
->list
);
2255 list_add_tail(&roc
->list
,
2260 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2261 unsigned long new_end
;
2264 * In the software ROC case, cancel the timer, if
2265 * that fails then the finish work is already
2266 * queued/pending and thus we queue the new ROC
2267 * normally, if that succeeds then we can extend
2268 * the timer duration and TX the frame (if any.)
2271 list_add_tail(&roc
->list
, &tmp
->dependents
);
2274 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2276 /* ok, it was started & we canceled timer */
2277 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2278 mod_timer(&tmp
->work
.timer
, new_end
);
2280 add_timer(&tmp
->work
.timer
);
2282 ieee80211_handle_roc_started(roc
);
2289 list_add_tail(&roc
->list
, &local
->roc_list
);
2292 * cookie is either the roc (for normal roc)
2293 * or the SKB (for mgmt TX)
2296 *cookie
= (unsigned long)txskb
;
2298 *cookie
= (unsigned long)roc
;
2303 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2304 struct wireless_dev
*wdev
,
2305 struct ieee80211_channel
*chan
,
2306 enum nl80211_channel_type channel_type
,
2307 unsigned int duration
,
2310 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2311 struct ieee80211_local
*local
= sdata
->local
;
2314 mutex_lock(&local
->mtx
);
2315 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2316 duration
, cookie
, NULL
);
2317 mutex_unlock(&local
->mtx
);
2322 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2323 u64 cookie
, bool mgmt_tx
)
2325 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2328 mutex_lock(&local
->mtx
);
2329 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2330 struct ieee80211_roc_work
*dep
, *tmp2
;
2332 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2333 if (!mgmt_tx
&& (unsigned long)dep
!= cookie
)
2335 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2337 /* found dependent item -- just remove it */
2338 list_del(&dep
->list
);
2339 mutex_unlock(&local
->mtx
);
2341 ieee80211_roc_notify_destroy(dep
);
2345 if (!mgmt_tx
&& (unsigned long)roc
!= cookie
)
2347 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2355 mutex_unlock(&local
->mtx
);
2360 * We found the item to cancel, so do that. Note that it
2361 * may have dependents, which we also cancel (and send
2362 * the expired signal for.) Not doing so would be quite
2363 * tricky here, but we may need to fix it later.
2366 if (local
->ops
->remain_on_channel
) {
2367 if (found
->started
) {
2368 ret
= drv_cancel_remain_on_channel(local
);
2369 if (WARN_ON_ONCE(ret
)) {
2370 mutex_unlock(&local
->mtx
);
2375 list_del(&found
->list
);
2378 ieee80211_start_next_roc(local
);
2379 mutex_unlock(&local
->mtx
);
2381 ieee80211_roc_notify_destroy(found
);
2383 /* work may be pending so use it all the time */
2384 found
->abort
= true;
2385 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2387 mutex_unlock(&local
->mtx
);
2389 /* work will clean up etc */
2390 flush_delayed_work(&found
->work
);
2396 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2397 struct wireless_dev
*wdev
,
2400 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2401 struct ieee80211_local
*local
= sdata
->local
;
2403 return ieee80211_cancel_roc(local
, cookie
, false);
2406 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2407 struct ieee80211_channel
*chan
, bool offchan
,
2408 enum nl80211_channel_type channel_type
,
2409 bool channel_type_valid
, unsigned int wait
,
2410 const u8
*buf
, size_t len
, bool no_cck
,
2411 bool dont_wait_for_ack
, u64
*cookie
)
2413 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2414 struct ieee80211_local
*local
= sdata
->local
;
2415 struct sk_buff
*skb
;
2416 struct sta_info
*sta
;
2417 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
2418 bool need_offchan
= false;
2422 if (dont_wait_for_ack
)
2423 flags
= IEEE80211_TX_CTL_NO_ACK
;
2425 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
2426 IEEE80211_TX_CTL_REQ_TX_STATUS
;
2429 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2431 switch (sdata
->vif
.type
) {
2432 case NL80211_IFTYPE_ADHOC
:
2433 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2434 need_offchan
= true;
2436 #ifdef CONFIG_MAC80211_MESH
2437 case NL80211_IFTYPE_MESH_POINT
:
2438 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
2439 !sdata
->u
.mesh
.mesh_id_len
)
2440 need_offchan
= true;
2443 case NL80211_IFTYPE_AP
:
2444 case NL80211_IFTYPE_AP_VLAN
:
2445 case NL80211_IFTYPE_P2P_GO
:
2446 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
2447 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
2448 !rcu_access_pointer(sdata
->bss
->beacon
))
2449 need_offchan
= true;
2450 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2451 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2454 sta
= sta_info_get(sdata
, mgmt
->da
);
2459 case NL80211_IFTYPE_STATION
:
2460 case NL80211_IFTYPE_P2P_CLIENT
:
2461 if (!sdata
->u
.mgd
.associated
)
2462 need_offchan
= true;
2468 mutex_lock(&local
->mtx
);
2470 /* Check if the operating channel is the requested channel */
2471 if (!need_offchan
) {
2472 need_offchan
= chan
!= local
->oper_channel
;
2473 if (channel_type_valid
&&
2474 channel_type
!= local
->_oper_channel_type
)
2475 need_offchan
= true;
2478 if (need_offchan
&& !offchan
) {
2483 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2488 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2490 memcpy(skb_put(skb
, len
), buf
, len
);
2492 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2494 skb
->dev
= sdata
->dev
;
2496 if (!need_offchan
) {
2497 *cookie
= (unsigned long) skb
;
2498 ieee80211_tx_skb(sdata
, skb
);
2503 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2504 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
2505 IEEE80211_SKB_CB(skb
)->hw_queue
=
2506 local
->hw
.offchannel_tx_hw_queue
;
2508 /* This will handle all kinds of coalescing and immediate TX */
2509 ret
= ieee80211_start_roc_work(local
, sdata
, chan
, channel_type
,
2514 mutex_unlock(&local
->mtx
);
2518 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2519 struct wireless_dev
*wdev
,
2522 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2524 return ieee80211_cancel_roc(local
, cookie
, true);
2527 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2528 struct wireless_dev
*wdev
,
2529 u16 frame_type
, bool reg
)
2531 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2532 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2534 switch (frame_type
) {
2535 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
:
2536 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
2537 struct ieee80211_if_ibss
*ifibss
= &sdata
->u
.ibss
;
2540 ifibss
->auth_frame_registrations
++;
2542 ifibss
->auth_frame_registrations
--;
2545 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
2547 local
->probe_req_reg
++;
2549 local
->probe_req_reg
--;
2551 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2558 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2560 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2565 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2568 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2570 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2572 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2575 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2577 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2579 return drv_set_ringparam(local
, tx
, rx
);
2582 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2583 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2585 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2587 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2590 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2591 struct net_device
*dev
,
2592 struct cfg80211_gtk_rekey_data
*data
)
2594 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2595 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2597 if (!local
->ops
->set_rekey_data
)
2600 drv_set_rekey_data(local
, sdata
, data
);
2605 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2607 u8
*pos
= (void *)skb_put(skb
, 7);
2609 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2610 *pos
++ = 5; /* len */
2615 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2618 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2620 struct ieee80211_local
*local
= sdata
->local
;
2624 if (local
->oper_channel
->band
!= IEEE80211_BAND_2GHZ
)
2627 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2628 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2629 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2630 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2635 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2636 u8
*peer
, u8
*bssid
)
2638 struct ieee80211_tdls_lnkie
*lnkid
;
2640 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2642 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2643 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2645 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2646 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2647 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2651 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2652 u8
*peer
, u8 action_code
, u8 dialog_token
,
2653 u16 status_code
, struct sk_buff
*skb
)
2655 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2656 struct ieee80211_tdls_data
*tf
;
2658 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2660 memcpy(tf
->da
, peer
, ETH_ALEN
);
2661 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2662 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2663 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2665 switch (action_code
) {
2666 case WLAN_TDLS_SETUP_REQUEST
:
2667 tf
->category
= WLAN_CATEGORY_TDLS
;
2668 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2670 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2671 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2672 tf
->u
.setup_req
.capability
=
2673 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2675 ieee80211_add_srates_ie(sdata
, skb
, false);
2676 ieee80211_add_ext_srates_ie(sdata
, skb
, false);
2677 ieee80211_tdls_add_ext_capab(skb
);
2679 case WLAN_TDLS_SETUP_RESPONSE
:
2680 tf
->category
= WLAN_CATEGORY_TDLS
;
2681 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2683 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2684 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2685 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2686 tf
->u
.setup_resp
.capability
=
2687 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2689 ieee80211_add_srates_ie(sdata
, skb
, false);
2690 ieee80211_add_ext_srates_ie(sdata
, skb
, false);
2691 ieee80211_tdls_add_ext_capab(skb
);
2693 case WLAN_TDLS_SETUP_CONFIRM
:
2694 tf
->category
= WLAN_CATEGORY_TDLS
;
2695 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2697 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2698 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2699 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2701 case WLAN_TDLS_TEARDOWN
:
2702 tf
->category
= WLAN_CATEGORY_TDLS
;
2703 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2705 skb_put(skb
, sizeof(tf
->u
.teardown
));
2706 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2708 case WLAN_TDLS_DISCOVERY_REQUEST
:
2709 tf
->category
= WLAN_CATEGORY_TDLS
;
2710 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2712 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2713 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2723 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2724 u8
*peer
, u8 action_code
, u8 dialog_token
,
2725 u16 status_code
, struct sk_buff
*skb
)
2727 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2728 struct ieee80211_mgmt
*mgmt
;
2730 mgmt
= (void *)skb_put(skb
, 24);
2731 memset(mgmt
, 0, 24);
2732 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2733 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2734 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2736 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2737 IEEE80211_STYPE_ACTION
);
2739 switch (action_code
) {
2740 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2741 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2742 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2743 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2744 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2745 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2747 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2748 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2750 ieee80211_add_srates_ie(sdata
, skb
, false);
2751 ieee80211_add_ext_srates_ie(sdata
, skb
, false);
2752 ieee80211_tdls_add_ext_capab(skb
);
2761 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2762 u8
*peer
, u8 action_code
, u8 dialog_token
,
2763 u16 status_code
, const u8
*extra_ies
,
2764 size_t extra_ies_len
)
2766 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2767 struct ieee80211_local
*local
= sdata
->local
;
2768 struct ieee80211_tx_info
*info
;
2769 struct sk_buff
*skb
= NULL
;
2773 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2776 /* make sure we are in managed mode, and associated */
2777 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2778 !sdata
->u
.mgd
.associated
)
2781 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
2784 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2785 max(sizeof(struct ieee80211_mgmt
),
2786 sizeof(struct ieee80211_tdls_data
)) +
2787 50 + /* supported rates */
2790 sizeof(struct ieee80211_tdls_lnkie
));
2794 info
= IEEE80211_SKB_CB(skb
);
2795 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2797 switch (action_code
) {
2798 case WLAN_TDLS_SETUP_REQUEST
:
2799 case WLAN_TDLS_SETUP_RESPONSE
:
2800 case WLAN_TDLS_SETUP_CONFIRM
:
2801 case WLAN_TDLS_TEARDOWN
:
2802 case WLAN_TDLS_DISCOVERY_REQUEST
:
2803 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2804 action_code
, dialog_token
,
2806 send_direct
= false;
2808 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2809 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2810 dialog_token
, status_code
,
2823 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2825 /* the TDLS link IE is always added last */
2826 switch (action_code
) {
2827 case WLAN_TDLS_SETUP_REQUEST
:
2828 case WLAN_TDLS_SETUP_CONFIRM
:
2829 case WLAN_TDLS_TEARDOWN
:
2830 case WLAN_TDLS_DISCOVERY_REQUEST
:
2831 /* we are the initiator */
2832 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2833 sdata
->u
.mgd
.bssid
);
2835 case WLAN_TDLS_SETUP_RESPONSE
:
2836 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2837 /* we are the responder */
2838 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2839 sdata
->u
.mgd
.bssid
);
2847 ieee80211_tx_skb(sdata
, skb
);
2852 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2853 * we should default to AC_VI.
2855 switch (action_code
) {
2856 case WLAN_TDLS_SETUP_REQUEST
:
2857 case WLAN_TDLS_SETUP_RESPONSE
:
2858 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
2862 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
2867 /* disable bottom halves when entering the Tx path */
2869 ret
= ieee80211_subif_start_xmit(skb
, dev
);
2879 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2880 u8
*peer
, enum nl80211_tdls_operation oper
)
2882 struct sta_info
*sta
;
2883 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2885 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2888 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2891 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
2894 case NL80211_TDLS_ENABLE_LINK
:
2896 sta
= sta_info_get(sdata
, peer
);
2902 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
2905 case NL80211_TDLS_DISABLE_LINK
:
2906 return sta_info_destroy_addr(sdata
, peer
);
2907 case NL80211_TDLS_TEARDOWN
:
2908 case NL80211_TDLS_SETUP
:
2909 case NL80211_TDLS_DISCOVERY_REQ
:
2910 /* We don't support in-driver setup/teardown/discovery */
2919 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
2920 const u8
*peer
, u64
*cookie
)
2922 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2923 struct ieee80211_local
*local
= sdata
->local
;
2924 struct ieee80211_qos_hdr
*nullfunc
;
2925 struct sk_buff
*skb
;
2926 int size
= sizeof(*nullfunc
);
2929 struct ieee80211_tx_info
*info
;
2930 struct sta_info
*sta
;
2933 sta
= sta_info_get(sdata
, peer
);
2935 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
2943 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2944 IEEE80211_STYPE_QOS_NULLFUNC
|
2945 IEEE80211_FCTL_FROMDS
);
2948 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2949 IEEE80211_STYPE_NULLFUNC
|
2950 IEEE80211_FCTL_FROMDS
);
2953 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
2959 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2961 nullfunc
= (void *) skb_put(skb
, size
);
2962 nullfunc
->frame_control
= fc
;
2963 nullfunc
->duration_id
= 0;
2964 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
2965 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
2966 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
2967 nullfunc
->seq_ctrl
= 0;
2969 info
= IEEE80211_SKB_CB(skb
);
2971 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
2972 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
2974 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
2977 nullfunc
->qos_ctrl
= cpu_to_le16(7);
2980 ieee80211_xmit(sdata
, skb
);
2983 *cookie
= (unsigned long) skb
;
2987 static struct ieee80211_channel
*
2988 ieee80211_cfg_get_channel(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2989 enum nl80211_channel_type
*type
)
2991 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2993 *type
= local
->_oper_channel_type
;
2994 return local
->oper_channel
;
2998 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3000 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3004 struct cfg80211_ops mac80211_config_ops
= {
3005 .add_virtual_intf
= ieee80211_add_iface
,
3006 .del_virtual_intf
= ieee80211_del_iface
,
3007 .change_virtual_intf
= ieee80211_change_iface
,
3008 .add_key
= ieee80211_add_key
,
3009 .del_key
= ieee80211_del_key
,
3010 .get_key
= ieee80211_get_key
,
3011 .set_default_key
= ieee80211_config_default_key
,
3012 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3013 .start_ap
= ieee80211_start_ap
,
3014 .change_beacon
= ieee80211_change_beacon
,
3015 .stop_ap
= ieee80211_stop_ap
,
3016 .add_station
= ieee80211_add_station
,
3017 .del_station
= ieee80211_del_station
,
3018 .change_station
= ieee80211_change_station
,
3019 .get_station
= ieee80211_get_station
,
3020 .dump_station
= ieee80211_dump_station
,
3021 .dump_survey
= ieee80211_dump_survey
,
3022 #ifdef CONFIG_MAC80211_MESH
3023 .add_mpath
= ieee80211_add_mpath
,
3024 .del_mpath
= ieee80211_del_mpath
,
3025 .change_mpath
= ieee80211_change_mpath
,
3026 .get_mpath
= ieee80211_get_mpath
,
3027 .dump_mpath
= ieee80211_dump_mpath
,
3028 .update_mesh_config
= ieee80211_update_mesh_config
,
3029 .get_mesh_config
= ieee80211_get_mesh_config
,
3030 .join_mesh
= ieee80211_join_mesh
,
3031 .leave_mesh
= ieee80211_leave_mesh
,
3033 .change_bss
= ieee80211_change_bss
,
3034 .set_txq_params
= ieee80211_set_txq_params
,
3035 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3036 .suspend
= ieee80211_suspend
,
3037 .resume
= ieee80211_resume
,
3038 .scan
= ieee80211_scan
,
3039 .sched_scan_start
= ieee80211_sched_scan_start
,
3040 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3041 .auth
= ieee80211_auth
,
3042 .assoc
= ieee80211_assoc
,
3043 .deauth
= ieee80211_deauth
,
3044 .disassoc
= ieee80211_disassoc
,
3045 .join_ibss
= ieee80211_join_ibss
,
3046 .leave_ibss
= ieee80211_leave_ibss
,
3047 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3048 .set_tx_power
= ieee80211_set_tx_power
,
3049 .get_tx_power
= ieee80211_get_tx_power
,
3050 .set_wds_peer
= ieee80211_set_wds_peer
,
3051 .rfkill_poll
= ieee80211_rfkill_poll
,
3052 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3053 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3054 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3055 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3056 .remain_on_channel
= ieee80211_remain_on_channel
,
3057 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3058 .mgmt_tx
= ieee80211_mgmt_tx
,
3059 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3060 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3061 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3062 .set_antenna
= ieee80211_set_antenna
,
3063 .get_antenna
= ieee80211_get_antenna
,
3064 .set_ringparam
= ieee80211_set_ringparam
,
3065 .get_ringparam
= ieee80211_get_ringparam
,
3066 .set_rekey_data
= ieee80211_set_rekey_data
,
3067 .tdls_oper
= ieee80211_tdls_oper
,
3068 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3069 .probe_client
= ieee80211_probe_client
,
3070 .set_noack_map
= ieee80211_set_noack_map
,
3072 .set_wakeup
= ieee80211_set_wakeup
,
3074 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3075 .get_et_stats
= ieee80211_get_et_stats
,
3076 .get_et_strings
= ieee80211_get_et_strings
,
3077 .get_channel
= ieee80211_cfg_get_channel
,