2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct wireless_dev
*ieee80211_add_iface(struct wiphy
*wiphy
,
25 enum nl80211_iftype type
,
27 struct vif_params
*params
)
29 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
30 struct wireless_dev
*wdev
;
31 struct ieee80211_sub_if_data
*sdata
;
34 err
= ieee80211_if_add(local
, name
, &wdev
, type
, params
);
38 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
39 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
40 sdata
->u
.mntr_flags
= *flags
;
46 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev
));
53 static int ieee80211_change_iface(struct wiphy
*wiphy
,
54 struct net_device
*dev
,
55 enum nl80211_iftype type
, u32
*flags
,
56 struct vif_params
*params
)
58 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
61 ret
= ieee80211_if_change_type(sdata
, type
);
65 if (type
== NL80211_IFTYPE_AP_VLAN
&&
66 params
&& params
->use_4addr
== 0)
67 RCU_INIT_POINTER(sdata
->u
.vlan
.sta
, NULL
);
68 else if (type
== NL80211_IFTYPE_STATION
&&
69 params
&& params
->use_4addr
>= 0)
70 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
72 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
&& flags
) {
73 struct ieee80211_local
*local
= sdata
->local
;
75 if (ieee80211_sdata_running(sdata
)) {
76 u32 mask
= MONITOR_FLAG_COOK_FRAMES
|
80 * Prohibit MONITOR_FLAG_COOK_FRAMES and
81 * MONITOR_FLAG_ACTIVE to be changed while the
83 * Else we would need to add a lot of cruft
84 * to update everything:
85 * cooked_mntrs, monitor and all fif_* counters
86 * reconfigure hardware
88 if ((*flags
& mask
) != (sdata
->u
.mntr_flags
& mask
))
91 ieee80211_adjust_monitor_flags(sdata
, -1);
92 sdata
->u
.mntr_flags
= *flags
;
93 ieee80211_adjust_monitor_flags(sdata
, 1);
95 ieee80211_configure_filter(local
);
98 * Because the interface is down, ieee80211_do_stop
99 * and ieee80211_do_open take care of "everything"
100 * mentioned in the comment above.
102 sdata
->u
.mntr_flags
= *flags
;
109 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
110 struct wireless_dev
*wdev
)
112 return ieee80211_do_open(wdev
, true);
115 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
116 struct wireless_dev
*wdev
)
118 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
121 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
122 struct net_device
*dev
,
125 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
127 sdata
->noack_map
= noack_map
;
131 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
132 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
133 struct key_params
*params
)
135 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
136 struct ieee80211_local
*local
= sdata
->local
;
137 struct sta_info
*sta
= NULL
;
138 const struct ieee80211_cipher_scheme
*cs
= NULL
;
139 struct ieee80211_key
*key
;
142 if (!ieee80211_sdata_running(sdata
))
145 /* reject WEP and TKIP keys if WEP failed to initialize */
146 switch (params
->cipher
) {
147 case WLAN_CIPHER_SUITE_WEP40
:
148 case WLAN_CIPHER_SUITE_TKIP
:
149 case WLAN_CIPHER_SUITE_WEP104
:
150 if (IS_ERR(local
->wep_tx_tfm
))
153 case WLAN_CIPHER_SUITE_CCMP
:
154 case WLAN_CIPHER_SUITE_AES_CMAC
:
155 case WLAN_CIPHER_SUITE_GCMP
:
158 cs
= ieee80211_cs_get(local
, params
->cipher
, sdata
->vif
.type
);
162 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
163 params
->key
, params
->seq_len
, params
->seq
,
169 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
171 mutex_lock(&local
->sta_mtx
);
174 if (ieee80211_vif_is_mesh(&sdata
->vif
))
175 sta
= sta_info_get(sdata
, mac_addr
);
177 sta
= sta_info_get_bss(sdata
, mac_addr
);
179 * The ASSOC test makes sure the driver is ready to
180 * receive the key. When wpa_supplicant has roamed
181 * using FT, it attempts to set the key before
182 * association has completed, this rejects that attempt
183 * so it will set the key again after assocation.
185 * TODO: accept the key if we have a station entry and
186 * add it to the device after the station.
188 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
189 ieee80211_key_free_unused(key
);
195 switch (sdata
->vif
.type
) {
196 case NL80211_IFTYPE_STATION
:
197 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
198 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
200 case NL80211_IFTYPE_AP
:
201 case NL80211_IFTYPE_AP_VLAN
:
202 /* Keys without a station are used for TX only */
203 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
204 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
206 case NL80211_IFTYPE_ADHOC
:
209 case NL80211_IFTYPE_MESH_POINT
:
210 #ifdef CONFIG_MAC80211_MESH
211 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
212 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
215 case NL80211_IFTYPE_WDS
:
216 case NL80211_IFTYPE_MONITOR
:
217 case NL80211_IFTYPE_P2P_DEVICE
:
218 case NL80211_IFTYPE_UNSPECIFIED
:
219 case NUM_NL80211_IFTYPES
:
220 case NL80211_IFTYPE_P2P_CLIENT
:
221 case NL80211_IFTYPE_P2P_GO
:
222 /* shouldn't happen */
228 sta
->cipher_scheme
= cs
;
230 err
= ieee80211_key_link(key
, sdata
, sta
);
233 mutex_unlock(&local
->sta_mtx
);
238 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
239 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
241 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
242 struct ieee80211_local
*local
= sdata
->local
;
243 struct sta_info
*sta
;
244 struct ieee80211_key
*key
= NULL
;
247 mutex_lock(&local
->sta_mtx
);
248 mutex_lock(&local
->key_mtx
);
253 sta
= sta_info_get_bss(sdata
, mac_addr
);
258 key
= key_mtx_dereference(local
, sta
->ptk
[key_idx
]);
260 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
262 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
269 ieee80211_key_free(key
, true);
273 mutex_unlock(&local
->key_mtx
);
274 mutex_unlock(&local
->sta_mtx
);
279 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
280 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
282 void (*callback
)(void *cookie
,
283 struct key_params
*params
))
285 struct ieee80211_sub_if_data
*sdata
;
286 struct sta_info
*sta
= NULL
;
288 struct key_params params
;
289 struct ieee80211_key
*key
= NULL
;
295 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
300 sta
= sta_info_get_bss(sdata
, mac_addr
);
304 if (pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
305 key
= rcu_dereference(sta
->ptk
[key_idx
]);
306 else if (!pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
307 key
= rcu_dereference(sta
->gtk
[key_idx
]);
309 key
= rcu_dereference(sdata
->keys
[key_idx
]);
314 memset(¶ms
, 0, sizeof(params
));
316 params
.cipher
= key
->conf
.cipher
;
318 switch (key
->conf
.cipher
) {
319 case WLAN_CIPHER_SUITE_TKIP
:
320 iv32
= key
->u
.tkip
.tx
.iv32
;
321 iv16
= key
->u
.tkip
.tx
.iv16
;
323 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
324 drv_get_tkip_seq(sdata
->local
,
325 key
->conf
.hw_key_idx
,
328 seq
[0] = iv16
& 0xff;
329 seq
[1] = (iv16
>> 8) & 0xff;
330 seq
[2] = iv32
& 0xff;
331 seq
[3] = (iv32
>> 8) & 0xff;
332 seq
[4] = (iv32
>> 16) & 0xff;
333 seq
[5] = (iv32
>> 24) & 0xff;
337 case WLAN_CIPHER_SUITE_CCMP
:
338 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
348 case WLAN_CIPHER_SUITE_AES_CMAC
:
349 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
361 params
.key
= key
->conf
.key
;
362 params
.key_len
= key
->conf
.keylen
;
364 callback(cookie
, ¶ms
);
372 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
373 struct net_device
*dev
,
374 u8 key_idx
, bool uni
,
377 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
379 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
384 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
385 struct net_device
*dev
,
388 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
390 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
395 void sta_set_rate_info_tx(struct sta_info
*sta
,
396 const struct ieee80211_tx_rate
*rate
,
397 struct rate_info
*rinfo
)
400 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
401 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
402 rinfo
->mcs
= rate
->idx
;
403 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
404 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
405 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
406 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
408 struct ieee80211_supported_band
*sband
;
409 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
412 sband
= sta
->local
->hw
.wiphy
->bands
[
413 ieee80211_get_sdata_band(sta
->sdata
)];
414 brate
= sband
->bitrates
[rate
->idx
].bitrate
;
415 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
417 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
418 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
419 if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
420 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
421 if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
422 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
423 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
424 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
427 void sta_set_rate_info_rx(struct sta_info
*sta
, struct rate_info
*rinfo
)
431 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
) {
432 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
433 rinfo
->mcs
= sta
->last_rx_rate_idx
;
434 } else if (sta
->last_rx_rate_flag
& RX_FLAG_VHT
) {
435 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
436 rinfo
->nss
= sta
->last_rx_rate_vht_nss
;
437 rinfo
->mcs
= sta
->last_rx_rate_idx
;
439 struct ieee80211_supported_band
*sband
;
440 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
443 sband
= sta
->local
->hw
.wiphy
->bands
[
444 ieee80211_get_sdata_band(sta
->sdata
)];
445 brate
= sband
->bitrates
[sta
->last_rx_rate_idx
].bitrate
;
446 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
449 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
450 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
451 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
452 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
453 if (sta
->last_rx_rate_flag
& RX_FLAG_80MHZ
)
454 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
455 if (sta
->last_rx_rate_flag
& RX_FLAG_80P80MHZ
)
456 rinfo
->flags
|= RATE_INFO_FLAGS_80P80_MHZ_WIDTH
;
457 if (sta
->last_rx_rate_flag
& RX_FLAG_160MHZ
)
458 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
461 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
463 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
464 struct ieee80211_local
*local
= sdata
->local
;
465 struct timespec uptime
;
469 sinfo
->generation
= sdata
->local
->sta_generation
;
471 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
472 STATION_INFO_RX_BYTES64
|
473 STATION_INFO_TX_BYTES64
|
474 STATION_INFO_RX_PACKETS
|
475 STATION_INFO_TX_PACKETS
|
476 STATION_INFO_TX_RETRIES
|
477 STATION_INFO_TX_FAILED
|
478 STATION_INFO_TX_BITRATE
|
479 STATION_INFO_RX_BITRATE
|
480 STATION_INFO_RX_DROP_MISC
|
481 STATION_INFO_BSS_PARAM
|
482 STATION_INFO_CONNECTED_TIME
|
483 STATION_INFO_STA_FLAGS
|
484 STATION_INFO_BEACON_LOSS_COUNT
;
486 do_posix_clock_monotonic_gettime(&uptime
);
487 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
489 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
491 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
492 sinfo
->tx_bytes
+= sta
->tx_bytes
[ac
];
493 packets
+= sta
->tx_packets
[ac
];
495 sinfo
->tx_packets
= packets
;
496 sinfo
->rx_bytes
= sta
->rx_bytes
;
497 sinfo
->rx_packets
= sta
->rx_packets
;
498 sinfo
->tx_retries
= sta
->tx_retry_count
;
499 sinfo
->tx_failed
= sta
->tx_retry_failed
;
500 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
501 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
503 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
504 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
505 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
506 if (!local
->ops
->get_rssi
||
507 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
508 sinfo
->signal
= (s8
)sta
->last_signal
;
509 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
512 sinfo
->filled
|= STATION_INFO_CHAIN_SIGNAL
|
513 STATION_INFO_CHAIN_SIGNAL_AVG
;
515 sinfo
->chains
= sta
->chains
;
516 for (i
= 0; i
< ARRAY_SIZE(sinfo
->chain_signal
); i
++) {
517 sinfo
->chain_signal
[i
] = sta
->chain_signal_last
[i
];
518 sinfo
->chain_signal_avg
[i
] =
519 (s8
) -ewma_read(&sta
->chain_signal_avg
[i
]);
523 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
524 sta_set_rate_info_rx(sta
, &sinfo
->rxrate
);
526 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
527 #ifdef CONFIG_MAC80211_MESH
528 sinfo
->filled
|= STATION_INFO_LLID
|
530 STATION_INFO_PLINK_STATE
|
531 STATION_INFO_LOCAL_PM
|
532 STATION_INFO_PEER_PM
|
533 STATION_INFO_NONPEER_PM
;
535 sinfo
->llid
= sta
->llid
;
536 sinfo
->plid
= sta
->plid
;
537 sinfo
->plink_state
= sta
->plink_state
;
538 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
539 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
540 sinfo
->t_offset
= sta
->t_offset
;
542 sinfo
->local_pm
= sta
->local_pm
;
543 sinfo
->peer_pm
= sta
->peer_pm
;
544 sinfo
->nonpeer_pm
= sta
->nonpeer_pm
;
548 sinfo
->bss_param
.flags
= 0;
549 if (sdata
->vif
.bss_conf
.use_cts_prot
)
550 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
551 if (sdata
->vif
.bss_conf
.use_short_preamble
)
552 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
553 if (sdata
->vif
.bss_conf
.use_short_slot
)
554 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
555 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
556 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
558 sinfo
->sta_flags
.set
= 0;
559 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
560 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
561 BIT(NL80211_STA_FLAG_WME
) |
562 BIT(NL80211_STA_FLAG_MFP
) |
563 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
564 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
565 BIT(NL80211_STA_FLAG_TDLS_PEER
);
566 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
567 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
568 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
569 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
570 if (test_sta_flag(sta
, WLAN_STA_WME
))
571 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
572 if (test_sta_flag(sta
, WLAN_STA_MFP
))
573 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
574 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
575 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
576 if (test_sta_flag(sta
, WLAN_STA_ASSOC
))
577 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
578 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
579 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
582 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
583 "rx_packets", "rx_bytes", "wep_weak_iv_count",
584 "rx_duplicates", "rx_fragments", "rx_dropped",
585 "tx_packets", "tx_bytes", "tx_fragments",
586 "tx_filtered", "tx_retry_failed", "tx_retries",
587 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
588 "channel", "noise", "ch_time", "ch_time_busy",
589 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
591 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
593 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
594 struct net_device
*dev
,
597 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
600 if (sset
== ETH_SS_STATS
)
603 rv
+= drv_get_et_sset_count(sdata
, sset
);
610 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
611 struct net_device
*dev
,
612 struct ethtool_stats
*stats
,
615 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
616 struct ieee80211_chanctx_conf
*chanctx_conf
;
617 struct ieee80211_channel
*channel
;
618 struct sta_info
*sta
;
619 struct ieee80211_local
*local
= sdata
->local
;
620 struct station_info sinfo
;
621 struct survey_info survey
;
623 #define STA_STATS_SURVEY_LEN 7
625 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
627 #define ADD_STA_STATS(sta) \
629 data[i++] += sta->rx_packets; \
630 data[i++] += sta->rx_bytes; \
631 data[i++] += sta->wep_weak_iv_count; \
632 data[i++] += sta->num_duplicates; \
633 data[i++] += sta->rx_fragments; \
634 data[i++] += sta->rx_dropped; \
636 data[i++] += sinfo.tx_packets; \
637 data[i++] += sinfo.tx_bytes; \
638 data[i++] += sta->tx_fragments; \
639 data[i++] += sta->tx_filtered_count; \
640 data[i++] += sta->tx_retry_failed; \
641 data[i++] += sta->tx_retry_count; \
642 data[i++] += sta->beacon_loss_count; \
645 /* For Managed stations, find the single station based on BSSID
646 * and use that. For interface types, iterate through all available
647 * stations and add stats for any station that is assigned to this
651 mutex_lock(&local
->sta_mtx
);
653 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
654 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
656 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
660 sta_set_sinfo(sta
, &sinfo
);
665 data
[i
++] = sta
->sta_state
;
668 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
670 cfg80211_calculate_bitrate(&sinfo
.txrate
);
672 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
674 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
677 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
678 data
[i
] = (u8
)sinfo
.signal_avg
;
681 list_for_each_entry(sta
, &local
->sta_list
, list
) {
682 /* Make sure this station belongs to the proper dev */
683 if (sta
->sdata
->dev
!= dev
)
687 sta_set_sinfo(sta
, &sinfo
);
694 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
695 /* Get survey stats for current channel */
699 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
701 channel
= chanctx_conf
->def
.chan
;
710 if (drv_get_survey(local
, q
, &survey
) != 0) {
715 } while (channel
!= survey
.channel
);
719 data
[i
++] = survey
.channel
->center_freq
;
722 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
723 data
[i
++] = (u8
)survey
.noise
;
726 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
727 data
[i
++] = survey
.channel_time
;
730 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
731 data
[i
++] = survey
.channel_time_busy
;
734 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
735 data
[i
++] = survey
.channel_time_ext_busy
;
738 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
739 data
[i
++] = survey
.channel_time_rx
;
742 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
743 data
[i
++] = survey
.channel_time_tx
;
747 mutex_unlock(&local
->sta_mtx
);
749 if (WARN_ON(i
!= STA_STATS_LEN
))
752 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
755 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
756 struct net_device
*dev
,
759 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
760 int sz_sta_stats
= 0;
762 if (sset
== ETH_SS_STATS
) {
763 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
764 memcpy(data
, ieee80211_gstrings_sta_stats
, sz_sta_stats
);
766 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
769 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
770 int idx
, u8
*mac
, struct station_info
*sinfo
)
772 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
773 struct ieee80211_local
*local
= sdata
->local
;
774 struct sta_info
*sta
;
777 mutex_lock(&local
->sta_mtx
);
779 sta
= sta_info_get_by_idx(sdata
, idx
);
782 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
783 sta_set_sinfo(sta
, sinfo
);
786 mutex_unlock(&local
->sta_mtx
);
791 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
792 int idx
, struct survey_info
*survey
)
794 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
796 return drv_get_survey(local
, idx
, survey
);
799 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
800 u8
*mac
, struct station_info
*sinfo
)
802 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
803 struct ieee80211_local
*local
= sdata
->local
;
804 struct sta_info
*sta
;
807 mutex_lock(&local
->sta_mtx
);
809 sta
= sta_info_get_bss(sdata
, mac
);
812 sta_set_sinfo(sta
, sinfo
);
815 mutex_unlock(&local
->sta_mtx
);
820 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
821 struct cfg80211_chan_def
*chandef
)
823 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
824 struct ieee80211_sub_if_data
*sdata
;
827 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
830 mutex_lock(&local
->iflist_mtx
);
831 if (local
->use_chanctx
) {
832 sdata
= rcu_dereference_protected(
833 local
->monitor_sdata
,
834 lockdep_is_held(&local
->iflist_mtx
));
836 ieee80211_vif_release_channel(sdata
);
837 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
838 IEEE80211_CHANCTX_EXCLUSIVE
);
840 } else if (local
->open_count
== local
->monitors
) {
841 local
->_oper_chandef
= *chandef
;
842 ieee80211_hw_config(local
, 0);
846 local
->monitor_chandef
= *chandef
;
847 mutex_unlock(&local
->iflist_mtx
);
852 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
853 const u8
*resp
, size_t resp_len
)
855 struct probe_resp
*new, *old
;
857 if (!resp
|| !resp_len
)
860 old
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
862 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
867 memcpy(new->data
, resp
, resp_len
);
869 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
871 kfree_rcu(old
, rcu_head
);
876 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
877 struct cfg80211_beacon_data
*params
)
879 struct beacon_data
*new, *old
;
880 int new_head_len
, new_tail_len
;
882 u32 changed
= BSS_CHANGED_BEACON
;
884 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
887 /* Need to have a beacon head if we don't have one yet */
888 if (!params
->head
&& !old
)
891 /* new or old head? */
893 new_head_len
= params
->head_len
;
895 new_head_len
= old
->head_len
;
897 /* new or old tail? */
898 if (params
->tail
|| !old
)
899 /* params->tail_len will be zero for !params->tail */
900 new_tail_len
= params
->tail_len
;
902 new_tail_len
= old
->tail_len
;
904 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
906 new = kzalloc(size
, GFP_KERNEL
);
910 /* start filling the new info now */
913 * pointers go into the block we allocated,
914 * memory is | beacon_data | head | tail |
916 new->head
= ((u8
*) new) + sizeof(*new);
917 new->tail
= new->head
+ new_head_len
;
918 new->head_len
= new_head_len
;
919 new->tail_len
= new_tail_len
;
923 memcpy(new->head
, params
->head
, new_head_len
);
925 memcpy(new->head
, old
->head
, new_head_len
);
927 /* copy in optional tail */
929 memcpy(new->tail
, params
->tail
, new_tail_len
);
932 memcpy(new->tail
, old
->tail
, new_tail_len
);
934 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
935 params
->probe_resp_len
);
939 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
941 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
944 kfree_rcu(old
, rcu_head
);
949 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
950 struct cfg80211_ap_settings
*params
)
952 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
953 struct beacon_data
*old
;
954 struct ieee80211_sub_if_data
*vlan
;
955 u32 changed
= BSS_CHANGED_BEACON_INT
|
956 BSS_CHANGED_BEACON_ENABLED
|
962 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
966 /* TODO: make hostapd tell us what it wants */
967 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
968 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
969 sdata
->radar_required
= params
->radar_required
;
971 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
972 IEEE80211_CHANCTX_SHARED
);
975 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
978 * Apply control port protocol, this allows us to
979 * not encrypt dynamic WEP control frames.
981 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
982 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
983 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
987 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
988 vlan
->control_port_protocol
=
989 params
->crypto
.control_port_ethertype
;
990 vlan
->control_port_no_encrypt
=
991 params
->crypto
.control_port_no_encrypt
;
992 vlan
->encrypt_headroom
=
993 ieee80211_cs_headroom(sdata
->local
,
998 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
999 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
1000 sdata
->vif
.bss_conf
.enable_beacon
= true;
1002 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
1003 if (params
->ssid_len
)
1004 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
1006 sdata
->vif
.bss_conf
.hidden_ssid
=
1007 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
1009 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
1010 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
1011 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
1012 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1013 if (params
->p2p_opp_ps
)
1014 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1015 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1017 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
1022 err
= drv_start_ap(sdata
->local
, sdata
);
1024 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1027 kfree_rcu(old
, rcu_head
);
1028 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1032 ieee80211_bss_info_change_notify(sdata
, changed
);
1034 netif_carrier_on(dev
);
1035 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1036 netif_carrier_on(vlan
->dev
);
1041 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
1042 struct cfg80211_beacon_data
*params
)
1044 struct ieee80211_sub_if_data
*sdata
;
1045 struct beacon_data
*old
;
1048 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1050 /* don't allow changing the beacon while CSA is in place - offset
1051 * of channel switch counter may change
1053 if (sdata
->vif
.csa_active
)
1056 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1060 err
= ieee80211_assign_beacon(sdata
, params
);
1063 ieee80211_bss_info_change_notify(sdata
, err
);
1067 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1069 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1070 struct ieee80211_sub_if_data
*vlan
;
1071 struct ieee80211_local
*local
= sdata
->local
;
1072 struct beacon_data
*old_beacon
;
1073 struct probe_resp
*old_probe_resp
;
1074 struct cfg80211_chan_def chandef
;
1076 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1079 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
1081 /* abort any running channel switch */
1082 sdata
->vif
.csa_active
= false;
1083 kfree(sdata
->u
.ap
.next_beacon
);
1084 sdata
->u
.ap
.next_beacon
= NULL
;
1086 cancel_work_sync(&sdata
->u
.ap
.request_smps_work
);
1088 /* turn off carrier for this interface and dependent VLANs */
1089 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1090 netif_carrier_off(vlan
->dev
);
1091 netif_carrier_off(dev
);
1093 /* remove beacon and probe response */
1094 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1095 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
1096 kfree_rcu(old_beacon
, rcu_head
);
1098 kfree_rcu(old_probe_resp
, rcu_head
);
1100 __sta_info_flush(sdata
, true);
1101 ieee80211_free_keys(sdata
, true);
1103 sdata
->vif
.bss_conf
.enable_beacon
= false;
1104 sdata
->vif
.bss_conf
.ssid_len
= 0;
1105 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
1106 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
1108 if (sdata
->wdev
.cac_started
) {
1109 chandef
= sdata
->vif
.bss_conf
.chandef
;
1110 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
1111 cfg80211_cac_event(sdata
->dev
, &chandef
,
1112 NL80211_RADAR_CAC_ABORTED
,
1116 drv_stop_ap(sdata
->local
, sdata
);
1118 /* free all potentially still buffered bcast frames */
1119 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
1120 skb_queue_purge(&sdata
->u
.ap
.ps
.bc_buf
);
1122 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
1123 ieee80211_vif_release_channel(sdata
);
1128 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1129 struct iapp_layer2_update
{
1130 u8 da
[ETH_ALEN
]; /* broadcast */
1131 u8 sa
[ETH_ALEN
]; /* STA addr */
1139 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
1141 struct iapp_layer2_update
*msg
;
1142 struct sk_buff
*skb
;
1144 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1147 skb
= dev_alloc_skb(sizeof(*msg
));
1150 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
1152 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1153 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1155 eth_broadcast_addr(msg
->da
);
1156 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1157 msg
->len
= htons(6);
1159 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1160 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1161 * F=0 (no poll command; unsolicited frame) */
1162 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1163 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1164 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1166 skb
->dev
= sta
->sdata
->dev
;
1167 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1168 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1172 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
1173 struct sta_info
*sta
,
1178 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1179 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1180 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1181 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1186 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1187 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1188 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1189 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1194 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1195 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1196 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1197 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1198 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1205 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1206 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1207 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1208 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1213 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1214 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1215 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1216 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1224 static int sta_apply_parameters(struct ieee80211_local
*local
,
1225 struct sta_info
*sta
,
1226 struct station_parameters
*params
)
1229 struct ieee80211_supported_band
*sband
;
1230 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1231 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
1234 sband
= local
->hw
.wiphy
->bands
[band
];
1236 mask
= params
->sta_flags_mask
;
1237 set
= params
->sta_flags_set
;
1239 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1241 * In mesh mode, ASSOCIATED isn't part of the nl80211
1242 * API but must follow AUTHENTICATED for driver state.
1244 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1245 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1246 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1247 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1248 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1250 * TDLS -- everything follows authorized, but
1251 * only becoming authorized is possible, not
1254 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1255 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1256 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1257 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1258 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1262 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1266 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1267 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1268 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1270 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1273 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1274 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1275 set_sta_flag(sta
, WLAN_STA_WME
);
1276 sta
->sta
.wme
= true;
1278 clear_sta_flag(sta
, WLAN_STA_WME
);
1279 sta
->sta
.wme
= false;
1283 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1284 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1285 set_sta_flag(sta
, WLAN_STA_MFP
);
1287 clear_sta_flag(sta
, WLAN_STA_MFP
);
1290 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1291 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1292 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1294 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1297 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1298 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1299 sta
->sta
.max_sp
= params
->max_sp
;
1303 * cfg80211 validates this (1-2007) and allows setting the AID
1304 * only when creating a new station entry
1307 sta
->sta
.aid
= params
->aid
;
1310 * Some of the following updates would be racy if called on an
1311 * existing station, via ieee80211_change_station(). However,
1312 * all such changes are rejected by cfg80211 except for updates
1313 * changing the supported rates on an existing but not yet used
1317 if (params
->listen_interval
>= 0)
1318 sta
->listen_interval
= params
->listen_interval
;
1320 if (params
->supported_rates
) {
1321 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1322 sband
, params
->supported_rates
,
1323 params
->supported_rates_len
,
1324 &sta
->sta
.supp_rates
[band
]);
1327 if (params
->ht_capa
)
1328 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1329 params
->ht_capa
, sta
);
1331 if (params
->vht_capa
)
1332 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1333 params
->vht_capa
, sta
);
1335 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1336 #ifdef CONFIG_MAC80211_MESH
1339 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1340 switch (params
->plink_state
) {
1341 case NL80211_PLINK_ESTAB
:
1342 if (sta
->plink_state
!= NL80211_PLINK_ESTAB
)
1343 changed
= mesh_plink_inc_estab_count(
1345 sta
->plink_state
= params
->plink_state
;
1347 ieee80211_mps_sta_status_update(sta
);
1348 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1349 sdata
->u
.mesh
.mshcfg
.power_mode
);
1351 case NL80211_PLINK_LISTEN
:
1352 case NL80211_PLINK_BLOCKED
:
1353 case NL80211_PLINK_OPN_SNT
:
1354 case NL80211_PLINK_OPN_RCVD
:
1355 case NL80211_PLINK_CNF_RCVD
:
1356 case NL80211_PLINK_HOLDING
:
1357 if (sta
->plink_state
== NL80211_PLINK_ESTAB
)
1358 changed
= mesh_plink_dec_estab_count(
1360 sta
->plink_state
= params
->plink_state
;
1362 ieee80211_mps_sta_status_update(sta
);
1363 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1364 NL80211_MESH_POWER_UNKNOWN
);
1372 switch (params
->plink_action
) {
1373 case NL80211_PLINK_ACTION_NO_ACTION
:
1376 case NL80211_PLINK_ACTION_OPEN
:
1377 changed
|= mesh_plink_open(sta
);
1379 case NL80211_PLINK_ACTION_BLOCK
:
1380 changed
|= mesh_plink_block(sta
);
1384 if (params
->local_pm
)
1386 ieee80211_mps_set_sta_local_pm(sta
,
1388 ieee80211_mbss_info_change_notify(sdata
, changed
);
1395 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1396 u8
*mac
, struct station_parameters
*params
)
1398 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1399 struct sta_info
*sta
;
1400 struct ieee80211_sub_if_data
*sdata
;
1405 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1407 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1408 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1411 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1413 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1416 if (is_multicast_ether_addr(mac
))
1419 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1424 * defaults -- if userspace wants something else we'll
1425 * change it accordingly in sta_apply_parameters()
1427 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))) {
1428 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1429 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1432 err
= sta_apply_parameters(local
, sta
, params
);
1434 sta_info_free(local
, sta
);
1439 * for TDLS, rate control should be initialized only when
1440 * rates are known and station is marked authorized
1442 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1443 rate_control_rate_init(sta
);
1445 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1446 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1448 err
= sta_info_insert_rcu(sta
);
1455 ieee80211_send_layer2_update(sta
);
1462 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1465 struct ieee80211_sub_if_data
*sdata
;
1467 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1470 return sta_info_destroy_addr_bss(sdata
, mac
);
1472 sta_info_flush(sdata
);
1476 static int ieee80211_change_station(struct wiphy
*wiphy
,
1477 struct net_device
*dev
, u8
*mac
,
1478 struct station_parameters
*params
)
1480 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1481 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1482 struct sta_info
*sta
;
1483 struct ieee80211_sub_if_data
*vlansdata
;
1484 enum cfg80211_station_type statype
;
1487 mutex_lock(&local
->sta_mtx
);
1489 sta
= sta_info_get_bss(sdata
, mac
);
1495 switch (sdata
->vif
.type
) {
1496 case NL80211_IFTYPE_MESH_POINT
:
1497 if (sdata
->u
.mesh
.user_mpm
)
1498 statype
= CFG80211_STA_MESH_PEER_USER
;
1500 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1502 case NL80211_IFTYPE_ADHOC
:
1503 statype
= CFG80211_STA_IBSS
;
1505 case NL80211_IFTYPE_STATION
:
1506 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1507 statype
= CFG80211_STA_AP_STA
;
1510 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1511 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1513 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1515 case NL80211_IFTYPE_AP
:
1516 case NL80211_IFTYPE_AP_VLAN
:
1517 statype
= CFG80211_STA_AP_CLIENT
;
1524 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1528 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1529 bool prev_4addr
= false;
1530 bool new_4addr
= false;
1532 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1534 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1535 if (vlansdata
->u
.vlan
.sta
) {
1540 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1544 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1545 sta
->sdata
->u
.vlan
.sta
) {
1546 rcu_assign_pointer(sta
->sdata
->u
.vlan
.sta
, NULL
);
1550 sta
->sdata
= vlansdata
;
1552 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1553 prev_4addr
!= new_4addr
) {
1555 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1557 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1560 ieee80211_send_layer2_update(sta
);
1563 err
= sta_apply_parameters(local
, sta
, params
);
1567 /* When peer becomes authorized, init rate control as well */
1568 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1569 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1570 rate_control_rate_init(sta
);
1572 mutex_unlock(&local
->sta_mtx
);
1574 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1575 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1576 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1577 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1578 sta_info_tx_streams(sta
) != 1) {
1580 "%pM just authorized and MIMO capable - update SMPS\n",
1582 ieee80211_send_smps_action(sta
->sdata
,
1583 sta
->sdata
->bss
->req_smps
,
1585 sta
->sdata
->vif
.bss_conf
.bssid
);
1588 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1589 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1590 ieee80211_recalc_ps(local
, -1);
1591 ieee80211_recalc_ps_vif(sdata
);
1596 mutex_unlock(&local
->sta_mtx
);
1600 #ifdef CONFIG_MAC80211_MESH
1601 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1602 u8
*dst
, u8
*next_hop
)
1604 struct ieee80211_sub_if_data
*sdata
;
1605 struct mesh_path
*mpath
;
1606 struct sta_info
*sta
;
1608 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1611 sta
= sta_info_get(sdata
, next_hop
);
1617 mpath
= mesh_path_add(sdata
, dst
);
1618 if (IS_ERR(mpath
)) {
1620 return PTR_ERR(mpath
);
1623 mesh_path_fix_nexthop(mpath
, sta
);
1629 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1632 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1635 return mesh_path_del(sdata
, dst
);
1637 mesh_path_flush_by_iface(sdata
);
1641 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1642 struct net_device
*dev
,
1643 u8
*dst
, u8
*next_hop
)
1645 struct ieee80211_sub_if_data
*sdata
;
1646 struct mesh_path
*mpath
;
1647 struct sta_info
*sta
;
1649 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1653 sta
= sta_info_get(sdata
, next_hop
);
1659 mpath
= mesh_path_lookup(sdata
, dst
);
1665 mesh_path_fix_nexthop(mpath
, sta
);
1671 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1672 struct mpath_info
*pinfo
)
1674 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1677 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1679 memset(next_hop
, 0, ETH_ALEN
);
1681 memset(pinfo
, 0, sizeof(*pinfo
));
1683 pinfo
->generation
= mesh_paths_generation
;
1685 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1688 MPATH_INFO_EXPTIME
|
1689 MPATH_INFO_DISCOVERY_TIMEOUT
|
1690 MPATH_INFO_DISCOVERY_RETRIES
|
1693 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1694 pinfo
->sn
= mpath
->sn
;
1695 pinfo
->metric
= mpath
->metric
;
1696 if (time_before(jiffies
, mpath
->exp_time
))
1697 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1698 pinfo
->discovery_timeout
=
1699 jiffies_to_msecs(mpath
->discovery_timeout
);
1700 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1701 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1702 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1703 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1704 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1705 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1706 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1707 if (mpath
->flags
& MESH_PATH_FIXED
)
1708 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1709 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1710 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1713 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1714 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1717 struct ieee80211_sub_if_data
*sdata
;
1718 struct mesh_path
*mpath
;
1720 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1723 mpath
= mesh_path_lookup(sdata
, dst
);
1728 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1729 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1734 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1735 int idx
, u8
*dst
, u8
*next_hop
,
1736 struct mpath_info
*pinfo
)
1738 struct ieee80211_sub_if_data
*sdata
;
1739 struct mesh_path
*mpath
;
1741 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1744 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1749 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1750 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1755 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1756 struct net_device
*dev
,
1757 struct mesh_config
*conf
)
1759 struct ieee80211_sub_if_data
*sdata
;
1760 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1762 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1766 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1768 return (mask
>> (parm
-1)) & 0x1;
1771 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1772 const struct mesh_setup
*setup
)
1776 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1777 struct ieee80211_sub_if_data
, u
.mesh
);
1779 /* allocate information elements */
1783 if (setup
->ie_len
) {
1784 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1789 ifmsh
->ie_len
= setup
->ie_len
;
1793 /* now copy the rest of the setup parameters */
1794 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1795 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1796 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1797 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1798 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1799 ifmsh
->user_mpm
= setup
->user_mpm
;
1800 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1801 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1802 if (setup
->is_authenticated
)
1803 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1804 if (setup
->is_secure
)
1805 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1807 /* mcast rate setting in Mesh Node */
1808 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1809 sizeof(setup
->mcast_rate
));
1810 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1812 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1813 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1818 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1819 struct net_device
*dev
, u32 mask
,
1820 const struct mesh_config
*nconf
)
1822 struct mesh_config
*conf
;
1823 struct ieee80211_sub_if_data
*sdata
;
1824 struct ieee80211_if_mesh
*ifmsh
;
1826 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1827 ifmsh
= &sdata
->u
.mesh
;
1829 /* Set the config options which we are interested in setting */
1830 conf
= &(sdata
->u
.mesh
.mshcfg
);
1831 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1832 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1833 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1834 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1835 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1836 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1837 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1838 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1839 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1840 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1841 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1842 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1843 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1844 conf
->element_ttl
= nconf
->element_ttl
;
1845 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1846 if (ifmsh
->user_mpm
)
1848 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1850 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1851 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1852 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1853 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1854 conf
->dot11MeshHWMPmaxPREQretries
=
1855 nconf
->dot11MeshHWMPmaxPREQretries
;
1856 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1857 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1858 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1859 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1860 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1861 conf
->dot11MeshHWMPactivePathTimeout
=
1862 nconf
->dot11MeshHWMPactivePathTimeout
;
1863 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1864 conf
->dot11MeshHWMPpreqMinInterval
=
1865 nconf
->dot11MeshHWMPpreqMinInterval
;
1866 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1867 conf
->dot11MeshHWMPperrMinInterval
=
1868 nconf
->dot11MeshHWMPperrMinInterval
;
1869 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1871 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1872 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1873 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1874 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1875 ieee80211_mesh_root_setup(ifmsh
);
1877 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1878 /* our current gate announcement implementation rides on root
1879 * announcements, so require this ifmsh to also be a root node
1881 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1882 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1883 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1884 ieee80211_mesh_root_setup(ifmsh
);
1886 conf
->dot11MeshGateAnnouncementProtocol
=
1887 nconf
->dot11MeshGateAnnouncementProtocol
;
1889 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1890 conf
->dot11MeshHWMPRannInterval
=
1891 nconf
->dot11MeshHWMPRannInterval
;
1892 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1893 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1894 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1895 /* our RSSI threshold implementation is supported only for
1896 * devices that report signal in dBm.
1898 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1900 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1902 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1903 conf
->ht_opmode
= nconf
->ht_opmode
;
1904 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1905 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1907 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1908 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1909 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1910 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1911 conf
->dot11MeshHWMProotInterval
=
1912 nconf
->dot11MeshHWMProotInterval
;
1913 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1914 conf
->dot11MeshHWMPconfirmationInterval
=
1915 nconf
->dot11MeshHWMPconfirmationInterval
;
1916 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1917 conf
->power_mode
= nconf
->power_mode
;
1918 ieee80211_mps_local_status_update(sdata
);
1920 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
1921 conf
->dot11MeshAwakeWindowDuration
=
1922 nconf
->dot11MeshAwakeWindowDuration
;
1923 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
1924 conf
->plink_timeout
= nconf
->plink_timeout
;
1925 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
1929 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1930 const struct mesh_config
*conf
,
1931 const struct mesh_setup
*setup
)
1933 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1934 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1937 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1938 err
= copy_mesh_setup(ifmsh
, setup
);
1942 /* can mesh use other SMPS modes? */
1943 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
1944 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
1946 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
1947 IEEE80211_CHANCTX_SHARED
);
1951 return ieee80211_start_mesh(sdata
);
1954 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1956 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1958 ieee80211_stop_mesh(sdata
);
1959 ieee80211_vif_release_channel(sdata
);
1965 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1966 struct net_device
*dev
,
1967 struct bss_parameters
*params
)
1969 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1970 enum ieee80211_band band
;
1973 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
1976 band
= ieee80211_get_sdata_band(sdata
);
1978 if (params
->use_cts_prot
>= 0) {
1979 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1980 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1982 if (params
->use_short_preamble
>= 0) {
1983 sdata
->vif
.bss_conf
.use_short_preamble
=
1984 params
->use_short_preamble
;
1985 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1988 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1989 band
== IEEE80211_BAND_5GHZ
) {
1990 sdata
->vif
.bss_conf
.use_short_slot
= true;
1991 changed
|= BSS_CHANGED_ERP_SLOT
;
1994 if (params
->use_short_slot_time
>= 0) {
1995 sdata
->vif
.bss_conf
.use_short_slot
=
1996 params
->use_short_slot_time
;
1997 changed
|= BSS_CHANGED_ERP_SLOT
;
2000 if (params
->basic_rates
) {
2001 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
2003 params
->basic_rates
,
2004 params
->basic_rates_len
,
2005 &sdata
->vif
.bss_conf
.basic_rates
);
2006 changed
|= BSS_CHANGED_BASIC_RATES
;
2009 if (params
->ap_isolate
>= 0) {
2010 if (params
->ap_isolate
)
2011 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2013 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2016 if (params
->ht_opmode
>= 0) {
2017 sdata
->vif
.bss_conf
.ht_operation_mode
=
2018 (u16
) params
->ht_opmode
;
2019 changed
|= BSS_CHANGED_HT
;
2022 if (params
->p2p_ctwindow
>= 0) {
2023 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2024 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2025 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2026 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2027 changed
|= BSS_CHANGED_P2P_PS
;
2030 if (params
->p2p_opp_ps
> 0) {
2031 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2032 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2033 changed
|= BSS_CHANGED_P2P_PS
;
2034 } else if (params
->p2p_opp_ps
== 0) {
2035 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2036 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2037 changed
|= BSS_CHANGED_P2P_PS
;
2040 ieee80211_bss_info_change_notify(sdata
, changed
);
2045 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
2046 struct net_device
*dev
,
2047 struct ieee80211_txq_params
*params
)
2049 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2050 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2051 struct ieee80211_tx_queue_params p
;
2053 if (!local
->ops
->conf_tx
)
2056 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
2059 memset(&p
, 0, sizeof(p
));
2060 p
.aifs
= params
->aifs
;
2061 p
.cw_max
= params
->cwmax
;
2062 p
.cw_min
= params
->cwmin
;
2063 p
.txop
= params
->txop
;
2066 * Setting tx queue params disables u-apsd because it's only
2067 * called in master mode.
2071 sdata
->tx_conf
[params
->ac
] = p
;
2072 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
2073 wiphy_debug(local
->hw
.wiphy
,
2074 "failed to set TX queue parameters for AC %d\n",
2079 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
2085 static int ieee80211_suspend(struct wiphy
*wiphy
,
2086 struct cfg80211_wowlan
*wowlan
)
2088 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
2091 static int ieee80211_resume(struct wiphy
*wiphy
)
2093 return __ieee80211_resume(wiphy_priv(wiphy
));
2096 #define ieee80211_suspend NULL
2097 #define ieee80211_resume NULL
2100 static int ieee80211_scan(struct wiphy
*wiphy
,
2101 struct cfg80211_scan_request
*req
)
2103 struct ieee80211_sub_if_data
*sdata
;
2105 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
2107 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
2108 case NL80211_IFTYPE_STATION
:
2109 case NL80211_IFTYPE_ADHOC
:
2110 case NL80211_IFTYPE_MESH_POINT
:
2111 case NL80211_IFTYPE_P2P_CLIENT
:
2112 case NL80211_IFTYPE_P2P_DEVICE
:
2114 case NL80211_IFTYPE_P2P_GO
:
2115 if (sdata
->local
->ops
->hw_scan
)
2118 * FIXME: implement NoA while scanning in software,
2119 * for now fall through to allow scanning only when
2120 * beaconing hasn't been configured yet
2122 case NL80211_IFTYPE_AP
:
2124 * If the scan has been forced (and the driver supports
2125 * forcing), don't care about being beaconing already.
2126 * This will create problems to the attached stations (e.g. all
2127 * the frames sent while scanning on other channel will be
2130 if (sdata
->u
.ap
.beacon
&&
2131 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
2132 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
2139 return ieee80211_request_scan(sdata
, req
);
2143 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
2144 struct net_device
*dev
,
2145 struct cfg80211_sched_scan_request
*req
)
2147 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2149 if (!sdata
->local
->ops
->sched_scan_start
)
2152 return ieee80211_request_sched_scan_start(sdata
, req
);
2156 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
2158 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2160 if (!sdata
->local
->ops
->sched_scan_stop
)
2163 return ieee80211_request_sched_scan_stop(sdata
);
2166 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
2167 struct cfg80211_auth_request
*req
)
2169 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2172 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2173 struct cfg80211_assoc_request
*req
)
2175 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2178 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
2179 struct cfg80211_deauth_request
*req
)
2181 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2184 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2185 struct cfg80211_disassoc_request
*req
)
2187 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2190 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2191 struct cfg80211_ibss_params
*params
)
2193 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2196 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2198 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2201 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2202 int rate
[IEEE80211_NUM_BANDS
])
2204 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2206 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2207 sizeof(int) * IEEE80211_NUM_BANDS
);
2212 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2214 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2217 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2218 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2224 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
2225 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
2231 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2232 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2238 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2239 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2241 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2243 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2244 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2246 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2249 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2250 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2255 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2256 struct wireless_dev
*wdev
,
2257 enum nl80211_tx_power_setting type
, int mbm
)
2259 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2260 struct ieee80211_sub_if_data
*sdata
;
2263 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2266 case NL80211_TX_POWER_AUTOMATIC
:
2267 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2269 case NL80211_TX_POWER_LIMITED
:
2270 case NL80211_TX_POWER_FIXED
:
2271 if (mbm
< 0 || (mbm
% 100))
2273 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2277 ieee80211_recalc_txpower(sdata
);
2283 case NL80211_TX_POWER_AUTOMATIC
:
2284 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2286 case NL80211_TX_POWER_LIMITED
:
2287 case NL80211_TX_POWER_FIXED
:
2288 if (mbm
< 0 || (mbm
% 100))
2290 local
->user_power_level
= MBM_TO_DBM(mbm
);
2294 mutex_lock(&local
->iflist_mtx
);
2295 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2296 sdata
->user_power_level
= local
->user_power_level
;
2297 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2298 ieee80211_recalc_txpower(sdata
);
2299 mutex_unlock(&local
->iflist_mtx
);
2304 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2305 struct wireless_dev
*wdev
,
2308 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2309 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2311 if (!local
->use_chanctx
)
2312 *dbm
= local
->hw
.conf
.power_level
;
2314 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2319 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2322 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2324 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2329 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2331 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2333 drv_rfkill_poll(local
);
2336 #ifdef CONFIG_NL80211_TESTMODE
2337 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2338 struct wireless_dev
*wdev
,
2339 void *data
, int len
)
2341 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2342 struct ieee80211_vif
*vif
= NULL
;
2344 if (!local
->ops
->testmode_cmd
)
2348 struct ieee80211_sub_if_data
*sdata
;
2350 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2351 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2355 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2358 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2359 struct sk_buff
*skb
,
2360 struct netlink_callback
*cb
,
2361 void *data
, int len
)
2363 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2365 if (!local
->ops
->testmode_dump
)
2368 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2372 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2373 enum ieee80211_smps_mode smps_mode
)
2375 struct sta_info
*sta
;
2376 enum ieee80211_smps_mode old_req
;
2379 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2382 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2385 old_req
= sdata
->u
.ap
.req_smps
;
2386 sdata
->u
.ap
.req_smps
= smps_mode
;
2388 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2389 if (old_req
== smps_mode
||
2390 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2393 /* If no associated stations, there's no need to do anything */
2394 if (!atomic_read(&sdata
->u
.ap
.num_mcast_sta
)) {
2395 sdata
->smps_mode
= smps_mode
;
2396 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2401 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2402 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2404 mutex_lock(&sdata
->local
->sta_mtx
);
2405 for (i
= 0; i
< STA_HASH_SIZE
; i
++) {
2406 for (sta
= rcu_dereference_protected(sdata
->local
->sta_hash
[i
],
2407 lockdep_is_held(&sdata
->local
->sta_mtx
));
2409 sta
= rcu_dereference_protected(sta
->hnext
,
2410 lockdep_is_held(&sdata
->local
->sta_mtx
))) {
2412 * Only stations associated to our AP and
2415 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2418 /* This station doesn't support MIMO - skip it */
2419 if (sta_info_tx_streams(sta
) == 1)
2423 * Don't wake up a STA just to send the action frame
2424 * unless we are getting more restrictive.
2426 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2427 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2430 "Won't send SMPS to sleeping STA %pM\n",
2436 * If the STA is not authorized, wait until it gets
2437 * authorized and the action frame will be sent then.
2439 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2442 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2443 ieee80211_send_smps_action(sdata
, smps_mode
,
2445 sdata
->vif
.bss_conf
.bssid
);
2448 mutex_unlock(&sdata
->local
->sta_mtx
);
2450 sdata
->smps_mode
= smps_mode
;
2451 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2456 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2457 enum ieee80211_smps_mode smps_mode
)
2460 enum ieee80211_smps_mode old_req
;
2463 lockdep_assert_held(&sdata
->wdev
.mtx
);
2465 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2468 old_req
= sdata
->u
.mgd
.req_smps
;
2469 sdata
->u
.mgd
.req_smps
= smps_mode
;
2471 if (old_req
== smps_mode
&&
2472 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2476 * If not associated, or current association is not an HT
2477 * association, there's no need to do anything, just store
2478 * the new value until we associate.
2480 if (!sdata
->u
.mgd
.associated
||
2481 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2484 ap
= sdata
->u
.mgd
.associated
->bssid
;
2486 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2487 if (sdata
->u
.mgd
.powersave
)
2488 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2490 smps_mode
= IEEE80211_SMPS_OFF
;
2493 /* send SM PS frame to AP */
2494 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2497 sdata
->u
.mgd
.req_smps
= old_req
;
2502 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2503 bool enabled
, int timeout
)
2505 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2506 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2508 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2511 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2514 if (enabled
== sdata
->u
.mgd
.powersave
&&
2515 timeout
== local
->dynamic_ps_forced_timeout
)
2518 sdata
->u
.mgd
.powersave
= enabled
;
2519 local
->dynamic_ps_forced_timeout
= timeout
;
2521 /* no change, but if automatic follow powersave */
2523 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2524 sdata_unlock(sdata
);
2526 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2527 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2529 ieee80211_recalc_ps(local
, -1);
2530 ieee80211_recalc_ps_vif(sdata
);
2535 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2536 struct net_device
*dev
,
2537 s32 rssi_thold
, u32 rssi_hyst
)
2539 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2540 struct ieee80211_vif
*vif
= &sdata
->vif
;
2541 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2543 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2544 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2547 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2548 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2550 /* tell the driver upon association, unless already associated */
2551 if (sdata
->u
.mgd
.associated
&&
2552 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2553 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2558 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2559 struct net_device
*dev
,
2561 const struct cfg80211_bitrate_mask
*mask
)
2563 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2564 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2567 if (!ieee80211_sdata_running(sdata
))
2570 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2571 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2576 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2577 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2580 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2581 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2582 sizeof(mask
->control
[i
].ht_mcs
));
2584 sdata
->rc_has_mcs_mask
[i
] = false;
2588 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++)
2589 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2590 sdata
->rc_has_mcs_mask
[i
] = true;
2598 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2599 struct ieee80211_sub_if_data
*sdata
,
2600 struct ieee80211_channel
*channel
,
2601 unsigned int duration
, u64
*cookie
,
2602 struct sk_buff
*txskb
,
2603 enum ieee80211_roc_type type
)
2605 struct ieee80211_roc_work
*roc
, *tmp
;
2606 bool queued
= false;
2609 lockdep_assert_held(&local
->mtx
);
2611 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2614 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2618 roc
->chan
= channel
;
2619 roc
->duration
= duration
;
2620 roc
->req_duration
= duration
;
2623 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2625 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2626 INIT_LIST_HEAD(&roc
->dependents
);
2628 /* if there's one pending or we're scanning, queue this one */
2629 if (!list_empty(&local
->roc_list
) ||
2630 local
->scanning
|| local
->radar_detect_enabled
)
2631 goto out_check_combine
;
2633 /* if not HW assist, just queue & schedule work */
2634 if (!local
->ops
->remain_on_channel
) {
2635 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2639 /* otherwise actually kick it off here (for error handling) */
2642 * If the duration is zero, then the driver
2643 * wouldn't actually do anything. Set it to
2646 * TODO: cancel the off-channel operation
2647 * when we get the SKB's TX status and
2648 * the wait time was zero before.
2653 ret
= drv_remain_on_channel(local
, sdata
, channel
, duration
, type
);
2659 roc
->started
= true;
2663 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2664 if (tmp
->chan
!= channel
|| tmp
->sdata
!= sdata
)
2668 * Extend this ROC if possible:
2670 * If it hasn't started yet, just increase the duration
2671 * and add the new one to the list of dependents.
2672 * If the type of the new ROC has higher priority, modify the
2673 * type of the previous one to match that of the new one.
2675 if (!tmp
->started
) {
2676 list_add_tail(&roc
->list
, &tmp
->dependents
);
2677 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2678 tmp
->type
= max(tmp
->type
, roc
->type
);
2683 /* If it has already started, it's more difficult ... */
2684 if (local
->ops
->remain_on_channel
) {
2685 unsigned long j
= jiffies
;
2688 * In the offloaded ROC case, if it hasn't begun, add
2689 * this new one to the dependent list to be handled
2690 * when the master one begins. If it has begun,
2691 * check that there's still a minimum time left and
2692 * if so, start this one, transmitting the frame, but
2693 * add it to the list directly after this one with
2694 * a reduced time so we'll ask the driver to execute
2695 * it right after finishing the previous one, in the
2696 * hope that it'll also be executed right afterwards,
2697 * effectively extending the old one.
2698 * If there's no minimum time left, just add it to the
2700 * TODO: the ROC type is ignored here, assuming that it
2701 * is better to immediately use the current ROC.
2703 if (!tmp
->hw_begun
) {
2704 list_add_tail(&roc
->list
, &tmp
->dependents
);
2709 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2710 tmp
->hw_start_time
+
2711 msecs_to_jiffies(tmp
->duration
))) {
2714 ieee80211_handle_roc_started(roc
);
2716 new_dur
= roc
->duration
-
2717 jiffies_to_msecs(tmp
->hw_start_time
+
2723 /* add right after tmp */
2724 list_add(&roc
->list
, &tmp
->list
);
2726 list_add_tail(&roc
->list
,
2731 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2732 unsigned long new_end
;
2735 * In the software ROC case, cancel the timer, if
2736 * that fails then the finish work is already
2737 * queued/pending and thus we queue the new ROC
2738 * normally, if that succeeds then we can extend
2739 * the timer duration and TX the frame (if any.)
2742 list_add_tail(&roc
->list
, &tmp
->dependents
);
2745 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2747 /* ok, it was started & we canceled timer */
2748 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2749 mod_timer(&tmp
->work
.timer
, new_end
);
2751 add_timer(&tmp
->work
.timer
);
2753 ieee80211_handle_roc_started(roc
);
2760 list_add_tail(&roc
->list
, &local
->roc_list
);
2763 * cookie is either the roc cookie (for normal roc)
2764 * or the SKB (for mgmt TX)
2767 /* local->mtx protects this */
2768 local
->roc_cookie_counter
++;
2769 roc
->cookie
= local
->roc_cookie_counter
;
2770 /* wow, you wrapped 64 bits ... more likely a bug */
2771 if (WARN_ON(roc
->cookie
== 0)) {
2773 local
->roc_cookie_counter
++;
2775 *cookie
= roc
->cookie
;
2777 *cookie
= (unsigned long)txskb
;
2783 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2784 struct wireless_dev
*wdev
,
2785 struct ieee80211_channel
*chan
,
2786 unsigned int duration
,
2789 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2790 struct ieee80211_local
*local
= sdata
->local
;
2793 mutex_lock(&local
->mtx
);
2794 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2795 duration
, cookie
, NULL
,
2796 IEEE80211_ROC_TYPE_NORMAL
);
2797 mutex_unlock(&local
->mtx
);
2802 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2803 u64 cookie
, bool mgmt_tx
)
2805 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2808 mutex_lock(&local
->mtx
);
2809 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2810 struct ieee80211_roc_work
*dep
, *tmp2
;
2812 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2813 if (!mgmt_tx
&& dep
->cookie
!= cookie
)
2815 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2817 /* found dependent item -- just remove it */
2818 list_del(&dep
->list
);
2819 mutex_unlock(&local
->mtx
);
2821 ieee80211_roc_notify_destroy(dep
, true);
2825 if (!mgmt_tx
&& roc
->cookie
!= cookie
)
2827 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2835 mutex_unlock(&local
->mtx
);
2840 * We found the item to cancel, so do that. Note that it
2841 * may have dependents, which we also cancel (and send
2842 * the expired signal for.) Not doing so would be quite
2843 * tricky here, but we may need to fix it later.
2846 if (local
->ops
->remain_on_channel
) {
2847 if (found
->started
) {
2848 ret
= drv_cancel_remain_on_channel(local
);
2849 if (WARN_ON_ONCE(ret
)) {
2850 mutex_unlock(&local
->mtx
);
2855 list_del(&found
->list
);
2858 ieee80211_start_next_roc(local
);
2859 mutex_unlock(&local
->mtx
);
2861 ieee80211_roc_notify_destroy(found
, true);
2863 /* work may be pending so use it all the time */
2864 found
->abort
= true;
2865 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2867 mutex_unlock(&local
->mtx
);
2869 /* work will clean up etc */
2870 flush_delayed_work(&found
->work
);
2871 WARN_ON(!found
->to_be_freed
);
2878 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2879 struct wireless_dev
*wdev
,
2882 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2883 struct ieee80211_local
*local
= sdata
->local
;
2885 return ieee80211_cancel_roc(local
, cookie
, false);
2888 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2889 struct net_device
*dev
,
2890 struct cfg80211_chan_def
*chandef
)
2892 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2893 struct ieee80211_local
*local
= sdata
->local
;
2894 unsigned long timeout
;
2897 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2900 /* whatever, but channel contexts should not complain about that one */
2901 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2902 sdata
->needed_rx_chains
= local
->rx_chains
;
2903 sdata
->radar_required
= true;
2905 mutex_lock(&local
->iflist_mtx
);
2906 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2907 IEEE80211_CHANCTX_SHARED
);
2908 mutex_unlock(&local
->iflist_mtx
);
2912 timeout
= msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS
);
2913 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2914 &sdata
->dfs_cac_timer_work
, timeout
);
2919 static struct cfg80211_beacon_data
*
2920 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
2922 struct cfg80211_beacon_data
*new_beacon
;
2926 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
2927 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
2928 beacon
->probe_resp_len
;
2930 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
2934 pos
= (u8
*)(new_beacon
+ 1);
2935 if (beacon
->head_len
) {
2936 new_beacon
->head_len
= beacon
->head_len
;
2937 new_beacon
->head
= pos
;
2938 memcpy(pos
, beacon
->head
, beacon
->head_len
);
2939 pos
+= beacon
->head_len
;
2941 if (beacon
->tail_len
) {
2942 new_beacon
->tail_len
= beacon
->tail_len
;
2943 new_beacon
->tail
= pos
;
2944 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
2945 pos
+= beacon
->tail_len
;
2947 if (beacon
->beacon_ies_len
) {
2948 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
2949 new_beacon
->beacon_ies
= pos
;
2950 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
2951 pos
+= beacon
->beacon_ies_len
;
2953 if (beacon
->proberesp_ies_len
) {
2954 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
2955 new_beacon
->proberesp_ies
= pos
;
2956 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
2957 pos
+= beacon
->proberesp_ies_len
;
2959 if (beacon
->assocresp_ies_len
) {
2960 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
2961 new_beacon
->assocresp_ies
= pos
;
2962 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
2963 pos
+= beacon
->assocresp_ies_len
;
2965 if (beacon
->probe_resp_len
) {
2966 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
2967 beacon
->probe_resp
= pos
;
2968 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
2969 pos
+= beacon
->probe_resp_len
;
2975 void ieee80211_csa_finalize_work(struct work_struct
*work
)
2977 struct ieee80211_sub_if_data
*sdata
=
2978 container_of(work
, struct ieee80211_sub_if_data
,
2980 struct ieee80211_local
*local
= sdata
->local
;
2981 int err
, changed
= 0;
2984 /* AP might have been stopped while waiting for the lock. */
2985 if (!sdata
->vif
.csa_active
)
2988 if (!ieee80211_sdata_running(sdata
))
2991 sdata
->radar_required
= sdata
->csa_radar_required
;
2992 err
= ieee80211_vif_change_channel(sdata
, &changed
);
2993 if (WARN_ON(err
< 0))
2996 if (!local
->use_chanctx
) {
2997 local
->_oper_chandef
= sdata
->csa_chandef
;
2998 ieee80211_hw_config(local
, 0);
3001 ieee80211_bss_info_change_notify(sdata
, changed
);
3003 sdata
->vif
.csa_active
= false;
3004 switch (sdata
->vif
.type
) {
3005 case NL80211_IFTYPE_AP
:
3006 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
);
3011 kfree(sdata
->u
.ap
.next_beacon
);
3012 sdata
->u
.ap
.next_beacon
= NULL
;
3014 ieee80211_bss_info_change_notify(sdata
, err
);
3016 case NL80211_IFTYPE_ADHOC
:
3017 ieee80211_ibss_finish_csa(sdata
);
3019 #ifdef CONFIG_MAC80211_MESH
3020 case NL80211_IFTYPE_MESH_POINT
:
3021 err
= ieee80211_mesh_finish_csa(sdata
);
3031 ieee80211_wake_queues_by_reason(&sdata
->local
->hw
,
3032 IEEE80211_MAX_QUEUE_MAP
,
3033 IEEE80211_QUEUE_STOP_REASON_CSA
);
3035 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
3038 sdata_unlock(sdata
);
3041 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3042 struct cfg80211_csa_settings
*params
)
3044 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3045 struct ieee80211_local
*local
= sdata
->local
;
3046 struct ieee80211_chanctx_conf
*chanctx_conf
;
3047 struct ieee80211_chanctx
*chanctx
;
3048 struct ieee80211_if_mesh __maybe_unused
*ifmsh
;
3049 int err
, num_chanctx
;
3051 lockdep_assert_held(&sdata
->wdev
.mtx
);
3053 if (!list_empty(&local
->roc_list
) || local
->scanning
)
3056 if (sdata
->wdev
.cac_started
)
3059 if (cfg80211_chandef_identical(¶ms
->chandef
,
3060 &sdata
->vif
.bss_conf
.chandef
))
3064 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3065 if (!chanctx_conf
) {
3070 /* don't handle for multi-VIF cases */
3071 chanctx
= container_of(chanctx_conf
, struct ieee80211_chanctx
, conf
);
3072 if (chanctx
->refcount
> 1) {
3077 list_for_each_entry_rcu(chanctx
, &local
->chanctx_list
, list
)
3081 if (num_chanctx
> 1)
3084 /* don't allow another channel switch if one is already active. */
3085 if (sdata
->vif
.csa_active
)
3088 switch (sdata
->vif
.type
) {
3089 case NL80211_IFTYPE_AP
:
3090 sdata
->csa_counter_offset_beacon
=
3091 params
->counter_offset_beacon
;
3092 sdata
->csa_counter_offset_presp
= params
->counter_offset_presp
;
3093 sdata
->u
.ap
.next_beacon
=
3094 cfg80211_beacon_dup(¶ms
->beacon_after
);
3095 if (!sdata
->u
.ap
.next_beacon
)
3098 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
);
3100 kfree(sdata
->u
.ap
.next_beacon
);
3104 case NL80211_IFTYPE_ADHOC
:
3105 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3108 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
3111 switch (params
->chandef
.width
) {
3112 case NL80211_CHAN_WIDTH_40
:
3113 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
3114 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
3116 case NL80211_CHAN_WIDTH_5
:
3117 case NL80211_CHAN_WIDTH_10
:
3118 case NL80211_CHAN_WIDTH_20_NOHT
:
3119 case NL80211_CHAN_WIDTH_20
:
3125 /* changes into another band are not supported */
3126 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
3127 params
->chandef
.chan
->band
)
3130 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
3134 #ifdef CONFIG_MAC80211_MESH
3135 case NL80211_IFTYPE_MESH_POINT
:
3136 ifmsh
= &sdata
->u
.mesh
;
3138 if (!ifmsh
->mesh_id
)
3141 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
3144 /* changes into another band are not supported */
3145 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
3146 params
->chandef
.chan
->band
)
3149 ifmsh
->chsw_init
= true;
3150 if (!ifmsh
->pre_value
)
3151 ifmsh
->pre_value
= 1;
3155 err
= ieee80211_mesh_csa_beacon(sdata
, params
, true);
3157 ifmsh
->chsw_init
= false;
3166 sdata
->csa_radar_required
= params
->radar_required
;
3168 if (params
->block_tx
)
3169 ieee80211_stop_queues_by_reason(&local
->hw
,
3170 IEEE80211_MAX_QUEUE_MAP
,
3171 IEEE80211_QUEUE_STOP_REASON_CSA
);
3173 sdata
->csa_chandef
= params
->chandef
;
3174 sdata
->vif
.csa_active
= true;
3176 ieee80211_bss_info_change_notify(sdata
, err
);
3177 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3182 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3183 struct cfg80211_mgmt_tx_params
*params
,
3186 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3187 struct ieee80211_local
*local
= sdata
->local
;
3188 struct sk_buff
*skb
;
3189 struct sta_info
*sta
;
3190 const struct ieee80211_mgmt
*mgmt
= (void *)params
->buf
;
3191 bool need_offchan
= false;
3195 if (params
->dont_wait_for_ack
)
3196 flags
= IEEE80211_TX_CTL_NO_ACK
;
3198 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
3199 IEEE80211_TX_CTL_REQ_TX_STATUS
;
3202 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
3204 switch (sdata
->vif
.type
) {
3205 case NL80211_IFTYPE_ADHOC
:
3206 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3207 need_offchan
= true;
3209 #ifdef CONFIG_MAC80211_MESH
3210 case NL80211_IFTYPE_MESH_POINT
:
3211 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
3212 !sdata
->u
.mesh
.mesh_id_len
)
3213 need_offchan
= true;
3216 case NL80211_IFTYPE_AP
:
3217 case NL80211_IFTYPE_AP_VLAN
:
3218 case NL80211_IFTYPE_P2P_GO
:
3219 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
3220 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
3221 !rcu_access_pointer(sdata
->bss
->beacon
))
3222 need_offchan
= true;
3223 if (!ieee80211_is_action(mgmt
->frame_control
) ||
3224 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
||
3225 mgmt
->u
.action
.category
== WLAN_CATEGORY_SELF_PROTECTED
||
3226 mgmt
->u
.action
.category
== WLAN_CATEGORY_SPECTRUM_MGMT
)
3229 sta
= sta_info_get(sdata
, mgmt
->da
);
3234 case NL80211_IFTYPE_STATION
:
3235 case NL80211_IFTYPE_P2P_CLIENT
:
3236 if (!sdata
->u
.mgd
.associated
)
3237 need_offchan
= true;
3239 case NL80211_IFTYPE_P2P_DEVICE
:
3240 need_offchan
= true;
3246 /* configurations requiring offchan cannot work if no channel has been
3249 if (need_offchan
&& !params
->chan
)
3252 mutex_lock(&local
->mtx
);
3254 /* Check if the operating channel is the requested channel */
3255 if (!need_offchan
) {
3256 struct ieee80211_chanctx_conf
*chanctx_conf
;
3259 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3262 need_offchan
= params
->chan
&&
3264 chanctx_conf
->def
.chan
);
3265 } else if (!params
->chan
) {
3270 need_offchan
= true;
3275 if (need_offchan
&& !params
->offchan
) {
3280 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ params
->len
);
3285 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3287 memcpy(skb_put(skb
, params
->len
), params
->buf
, params
->len
);
3289 IEEE80211_SKB_CB(skb
)->flags
= flags
;
3291 skb
->dev
= sdata
->dev
;
3293 if (!need_offchan
) {
3294 *cookie
= (unsigned long) skb
;
3295 ieee80211_tx_skb(sdata
, skb
);
3300 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
|
3301 IEEE80211_TX_INTFL_OFFCHAN_TX_OK
;
3302 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
3303 IEEE80211_SKB_CB(skb
)->hw_queue
=
3304 local
->hw
.offchannel_tx_hw_queue
;
3306 /* This will handle all kinds of coalescing and immediate TX */
3307 ret
= ieee80211_start_roc_work(local
, sdata
, params
->chan
,
3308 params
->wait
, cookie
, skb
,
3309 IEEE80211_ROC_TYPE_MGMT_TX
);
3313 mutex_unlock(&local
->mtx
);
3317 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
3318 struct wireless_dev
*wdev
,
3321 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3323 return ieee80211_cancel_roc(local
, cookie
, true);
3326 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3327 struct wireless_dev
*wdev
,
3328 u16 frame_type
, bool reg
)
3330 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3332 switch (frame_type
) {
3333 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3335 local
->probe_req_reg
++;
3337 local
->probe_req_reg
--;
3339 if (!local
->open_count
)
3342 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
3349 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3351 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3356 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3359 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3361 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3363 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3366 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
3368 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3370 return drv_set_ringparam(local
, tx
, rx
);
3373 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
3374 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
3376 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3378 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
3381 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3382 struct net_device
*dev
,
3383 struct cfg80211_gtk_rekey_data
*data
)
3385 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3386 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3388 if (!local
->ops
->set_rekey_data
)
3391 drv_set_rekey_data(local
, sdata
, data
);
3396 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
3398 u8
*pos
= (void *)skb_put(skb
, 7);
3400 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
3401 *pos
++ = 5; /* len */
3406 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
3409 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
3411 struct ieee80211_local
*local
= sdata
->local
;
3415 if (ieee80211_get_sdata_band(sdata
) != IEEE80211_BAND_2GHZ
)
3418 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
3419 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
3420 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
3421 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
3426 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
3427 u8
*peer
, u8
*bssid
)
3429 struct ieee80211_tdls_lnkie
*lnkid
;
3431 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
3433 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
3434 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
3436 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
3437 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
3438 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
3442 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
3443 u8
*peer
, u8 action_code
, u8 dialog_token
,
3444 u16 status_code
, struct sk_buff
*skb
)
3446 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3447 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
3448 struct ieee80211_tdls_data
*tf
;
3450 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
3452 memcpy(tf
->da
, peer
, ETH_ALEN
);
3453 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
3454 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
3455 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
3457 switch (action_code
) {
3458 case WLAN_TDLS_SETUP_REQUEST
:
3459 tf
->category
= WLAN_CATEGORY_TDLS
;
3460 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
3462 skb_put(skb
, sizeof(tf
->u
.setup_req
));
3463 tf
->u
.setup_req
.dialog_token
= dialog_token
;
3464 tf
->u
.setup_req
.capability
=
3465 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
3467 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
3468 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
3469 ieee80211_tdls_add_ext_capab(skb
);
3471 case WLAN_TDLS_SETUP_RESPONSE
:
3472 tf
->category
= WLAN_CATEGORY_TDLS
;
3473 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
3475 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
3476 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
3477 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
3478 tf
->u
.setup_resp
.capability
=
3479 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
3481 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
3482 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
3483 ieee80211_tdls_add_ext_capab(skb
);
3485 case WLAN_TDLS_SETUP_CONFIRM
:
3486 tf
->category
= WLAN_CATEGORY_TDLS
;
3487 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
3489 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
3490 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
3491 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
3493 case WLAN_TDLS_TEARDOWN
:
3494 tf
->category
= WLAN_CATEGORY_TDLS
;
3495 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
3497 skb_put(skb
, sizeof(tf
->u
.teardown
));
3498 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
3500 case WLAN_TDLS_DISCOVERY_REQUEST
:
3501 tf
->category
= WLAN_CATEGORY_TDLS
;
3502 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
3504 skb_put(skb
, sizeof(tf
->u
.discover_req
));
3505 tf
->u
.discover_req
.dialog_token
= dialog_token
;
3515 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
3516 u8
*peer
, u8 action_code
, u8 dialog_token
,
3517 u16 status_code
, struct sk_buff
*skb
)
3519 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3520 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
3521 struct ieee80211_mgmt
*mgmt
;
3523 mgmt
= (void *)skb_put(skb
, 24);
3524 memset(mgmt
, 0, 24);
3525 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
3526 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
3527 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
3529 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
3530 IEEE80211_STYPE_ACTION
);
3532 switch (action_code
) {
3533 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3534 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
3535 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
3536 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
3537 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
3538 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
3540 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
3541 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
3543 ieee80211_add_srates_ie(sdata
, skb
, false, band
);
3544 ieee80211_add_ext_srates_ie(sdata
, skb
, false, band
);
3545 ieee80211_tdls_add_ext_capab(skb
);
3554 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
3555 u8
*peer
, u8 action_code
, u8 dialog_token
,
3556 u16 status_code
, const u8
*extra_ies
,
3557 size_t extra_ies_len
)
3559 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3560 struct ieee80211_local
*local
= sdata
->local
;
3561 struct sk_buff
*skb
= NULL
;
3565 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3568 /* make sure we are in managed mode, and associated */
3569 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
3570 !sdata
->u
.mgd
.associated
)
3573 tdls_dbg(sdata
, "TDLS mgmt action %d peer %pM\n",
3576 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
3577 max(sizeof(struct ieee80211_mgmt
),
3578 sizeof(struct ieee80211_tdls_data
)) +
3579 50 + /* supported rates */
3582 sizeof(struct ieee80211_tdls_lnkie
));
3586 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3588 switch (action_code
) {
3589 case WLAN_TDLS_SETUP_REQUEST
:
3590 case WLAN_TDLS_SETUP_RESPONSE
:
3591 case WLAN_TDLS_SETUP_CONFIRM
:
3592 case WLAN_TDLS_TEARDOWN
:
3593 case WLAN_TDLS_DISCOVERY_REQUEST
:
3594 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
3595 action_code
, dialog_token
,
3597 send_direct
= false;
3599 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3600 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
3601 dialog_token
, status_code
,
3614 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
3616 /* the TDLS link IE is always added last */
3617 switch (action_code
) {
3618 case WLAN_TDLS_SETUP_REQUEST
:
3619 case WLAN_TDLS_SETUP_CONFIRM
:
3620 case WLAN_TDLS_TEARDOWN
:
3621 case WLAN_TDLS_DISCOVERY_REQUEST
:
3622 /* we are the initiator */
3623 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
3624 sdata
->u
.mgd
.bssid
);
3626 case WLAN_TDLS_SETUP_RESPONSE
:
3627 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3628 /* we are the responder */
3629 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
3630 sdata
->u
.mgd
.bssid
);
3638 ieee80211_tx_skb(sdata
, skb
);
3643 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3644 * we should default to AC_VI.
3646 switch (action_code
) {
3647 case WLAN_TDLS_SETUP_REQUEST
:
3648 case WLAN_TDLS_SETUP_RESPONSE
:
3649 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
3653 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
3658 /* disable bottom halves when entering the Tx path */
3660 ret
= ieee80211_subif_start_xmit(skb
, dev
);
3670 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
3671 u8
*peer
, enum nl80211_tdls_operation oper
)
3673 struct sta_info
*sta
;
3674 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3676 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3679 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3682 tdls_dbg(sdata
, "TDLS oper %d peer %pM\n", oper
, peer
);
3685 case NL80211_TDLS_ENABLE_LINK
:
3687 sta
= sta_info_get(sdata
, peer
);
3693 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
3696 case NL80211_TDLS_DISABLE_LINK
:
3697 return sta_info_destroy_addr(sdata
, peer
);
3698 case NL80211_TDLS_TEARDOWN
:
3699 case NL80211_TDLS_SETUP
:
3700 case NL80211_TDLS_DISCOVERY_REQ
:
3701 /* We don't support in-driver setup/teardown/discovery */
3710 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3711 const u8
*peer
, u64
*cookie
)
3713 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3714 struct ieee80211_local
*local
= sdata
->local
;
3715 struct ieee80211_qos_hdr
*nullfunc
;
3716 struct sk_buff
*skb
;
3717 int size
= sizeof(*nullfunc
);
3720 struct ieee80211_tx_info
*info
;
3721 struct sta_info
*sta
;
3722 struct ieee80211_chanctx_conf
*chanctx_conf
;
3723 enum ieee80211_band band
;
3726 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3727 if (WARN_ON(!chanctx_conf
)) {
3731 band
= chanctx_conf
->def
.chan
->band
;
3732 sta
= sta_info_get_bss(sdata
, peer
);
3734 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
3741 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3742 IEEE80211_STYPE_QOS_NULLFUNC
|
3743 IEEE80211_FCTL_FROMDS
);
3746 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3747 IEEE80211_STYPE_NULLFUNC
|
3748 IEEE80211_FCTL_FROMDS
);
3751 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3759 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3761 nullfunc
= (void *) skb_put(skb
, size
);
3762 nullfunc
->frame_control
= fc
;
3763 nullfunc
->duration_id
= 0;
3764 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3765 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3766 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3767 nullfunc
->seq_ctrl
= 0;
3769 info
= IEEE80211_SKB_CB(skb
);
3771 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3772 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3774 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3777 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3780 ieee80211_xmit(sdata
, skb
, band
);
3784 *cookie
= (unsigned long) skb
;
3788 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3789 struct wireless_dev
*wdev
,
3790 struct cfg80211_chan_def
*chandef
)
3792 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3793 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3794 struct ieee80211_chanctx_conf
*chanctx_conf
;
3798 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3800 *chandef
= chanctx_conf
->def
;
3802 } else if (local
->open_count
> 0 &&
3803 local
->open_count
== local
->monitors
&&
3804 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3805 if (local
->use_chanctx
)
3806 *chandef
= local
->monitor_chandef
;
3808 *chandef
= local
->_oper_chandef
;
3817 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3819 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3823 struct cfg80211_ops mac80211_config_ops
= {
3824 .add_virtual_intf
= ieee80211_add_iface
,
3825 .del_virtual_intf
= ieee80211_del_iface
,
3826 .change_virtual_intf
= ieee80211_change_iface
,
3827 .start_p2p_device
= ieee80211_start_p2p_device
,
3828 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3829 .add_key
= ieee80211_add_key
,
3830 .del_key
= ieee80211_del_key
,
3831 .get_key
= ieee80211_get_key
,
3832 .set_default_key
= ieee80211_config_default_key
,
3833 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3834 .start_ap
= ieee80211_start_ap
,
3835 .change_beacon
= ieee80211_change_beacon
,
3836 .stop_ap
= ieee80211_stop_ap
,
3837 .add_station
= ieee80211_add_station
,
3838 .del_station
= ieee80211_del_station
,
3839 .change_station
= ieee80211_change_station
,
3840 .get_station
= ieee80211_get_station
,
3841 .dump_station
= ieee80211_dump_station
,
3842 .dump_survey
= ieee80211_dump_survey
,
3843 #ifdef CONFIG_MAC80211_MESH
3844 .add_mpath
= ieee80211_add_mpath
,
3845 .del_mpath
= ieee80211_del_mpath
,
3846 .change_mpath
= ieee80211_change_mpath
,
3847 .get_mpath
= ieee80211_get_mpath
,
3848 .dump_mpath
= ieee80211_dump_mpath
,
3849 .update_mesh_config
= ieee80211_update_mesh_config
,
3850 .get_mesh_config
= ieee80211_get_mesh_config
,
3851 .join_mesh
= ieee80211_join_mesh
,
3852 .leave_mesh
= ieee80211_leave_mesh
,
3854 .change_bss
= ieee80211_change_bss
,
3855 .set_txq_params
= ieee80211_set_txq_params
,
3856 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3857 .suspend
= ieee80211_suspend
,
3858 .resume
= ieee80211_resume
,
3859 .scan
= ieee80211_scan
,
3860 .sched_scan_start
= ieee80211_sched_scan_start
,
3861 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3862 .auth
= ieee80211_auth
,
3863 .assoc
= ieee80211_assoc
,
3864 .deauth
= ieee80211_deauth
,
3865 .disassoc
= ieee80211_disassoc
,
3866 .join_ibss
= ieee80211_join_ibss
,
3867 .leave_ibss
= ieee80211_leave_ibss
,
3868 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3869 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3870 .set_tx_power
= ieee80211_set_tx_power
,
3871 .get_tx_power
= ieee80211_get_tx_power
,
3872 .set_wds_peer
= ieee80211_set_wds_peer
,
3873 .rfkill_poll
= ieee80211_rfkill_poll
,
3874 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3875 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3876 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3877 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3878 .remain_on_channel
= ieee80211_remain_on_channel
,
3879 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3880 .mgmt_tx
= ieee80211_mgmt_tx
,
3881 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3882 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3883 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3884 .set_antenna
= ieee80211_set_antenna
,
3885 .get_antenna
= ieee80211_get_antenna
,
3886 .set_ringparam
= ieee80211_set_ringparam
,
3887 .get_ringparam
= ieee80211_get_ringparam
,
3888 .set_rekey_data
= ieee80211_set_rekey_data
,
3889 .tdls_oper
= ieee80211_tdls_oper
,
3890 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3891 .probe_client
= ieee80211_probe_client
,
3892 .set_noack_map
= ieee80211_set_noack_map
,
3894 .set_wakeup
= ieee80211_set_wakeup
,
3896 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3897 .get_et_stats
= ieee80211_get_et_stats
,
3898 .get_et_strings
= ieee80211_get_et_strings
,
3899 .get_channel
= ieee80211_cfg_get_channel
,
3900 .start_radar_detection
= ieee80211_start_radar_detection
,
3901 .channel_switch
= ieee80211_channel_switch
,