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 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
115 mutex_lock(&sdata
->local
->chanctx_mtx
);
116 ret
= ieee80211_check_combinations(sdata
, NULL
, 0, 0);
117 mutex_unlock(&sdata
->local
->chanctx_mtx
);
121 return ieee80211_do_open(wdev
, true);
124 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
125 struct wireless_dev
*wdev
)
127 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
130 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
131 struct net_device
*dev
,
134 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
136 sdata
->noack_map
= noack_map
;
140 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
141 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
142 struct key_params
*params
)
144 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
145 struct ieee80211_local
*local
= sdata
->local
;
146 struct sta_info
*sta
= NULL
;
147 const struct ieee80211_cipher_scheme
*cs
= NULL
;
148 struct ieee80211_key
*key
;
151 if (!ieee80211_sdata_running(sdata
))
154 /* reject WEP and TKIP keys if WEP failed to initialize */
155 switch (params
->cipher
) {
156 case WLAN_CIPHER_SUITE_WEP40
:
157 case WLAN_CIPHER_SUITE_TKIP
:
158 case WLAN_CIPHER_SUITE_WEP104
:
159 if (IS_ERR(local
->wep_tx_tfm
))
162 case WLAN_CIPHER_SUITE_CCMP
:
163 case WLAN_CIPHER_SUITE_AES_CMAC
:
164 case WLAN_CIPHER_SUITE_GCMP
:
167 cs
= ieee80211_cs_get(local
, params
->cipher
, sdata
->vif
.type
);
171 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
172 params
->key
, params
->seq_len
, params
->seq
,
178 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
180 mutex_lock(&local
->sta_mtx
);
183 if (ieee80211_vif_is_mesh(&sdata
->vif
))
184 sta
= sta_info_get(sdata
, mac_addr
);
186 sta
= sta_info_get_bss(sdata
, mac_addr
);
188 * The ASSOC test makes sure the driver is ready to
189 * receive the key. When wpa_supplicant has roamed
190 * using FT, it attempts to set the key before
191 * association has completed, this rejects that attempt
192 * so it will set the key again after assocation.
194 * TODO: accept the key if we have a station entry and
195 * add it to the device after the station.
197 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
198 ieee80211_key_free_unused(key
);
204 switch (sdata
->vif
.type
) {
205 case NL80211_IFTYPE_STATION
:
206 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
207 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
209 case NL80211_IFTYPE_AP
:
210 case NL80211_IFTYPE_AP_VLAN
:
211 /* Keys without a station are used for TX only */
212 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
213 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
215 case NL80211_IFTYPE_ADHOC
:
218 case NL80211_IFTYPE_MESH_POINT
:
219 #ifdef CONFIG_MAC80211_MESH
220 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
221 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
224 case NL80211_IFTYPE_WDS
:
225 case NL80211_IFTYPE_MONITOR
:
226 case NL80211_IFTYPE_P2P_DEVICE
:
227 case NL80211_IFTYPE_UNSPECIFIED
:
228 case NUM_NL80211_IFTYPES
:
229 case NL80211_IFTYPE_P2P_CLIENT
:
230 case NL80211_IFTYPE_P2P_GO
:
231 /* shouldn't happen */
237 sta
->cipher_scheme
= cs
;
239 err
= ieee80211_key_link(key
, sdata
, sta
);
242 mutex_unlock(&local
->sta_mtx
);
247 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
248 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
250 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
251 struct ieee80211_local
*local
= sdata
->local
;
252 struct sta_info
*sta
;
253 struct ieee80211_key
*key
= NULL
;
256 mutex_lock(&local
->sta_mtx
);
257 mutex_lock(&local
->key_mtx
);
262 sta
= sta_info_get_bss(sdata
, mac_addr
);
267 key
= key_mtx_dereference(local
, sta
->ptk
[key_idx
]);
269 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
271 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
278 ieee80211_key_free(key
, true);
282 mutex_unlock(&local
->key_mtx
);
283 mutex_unlock(&local
->sta_mtx
);
288 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
289 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
291 void (*callback
)(void *cookie
,
292 struct key_params
*params
))
294 struct ieee80211_sub_if_data
*sdata
;
295 struct sta_info
*sta
= NULL
;
297 struct key_params params
;
298 struct ieee80211_key
*key
= NULL
;
304 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
309 sta
= sta_info_get_bss(sdata
, mac_addr
);
313 if (pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
314 key
= rcu_dereference(sta
->ptk
[key_idx
]);
315 else if (!pairwise
&&
316 key_idx
< NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
)
317 key
= rcu_dereference(sta
->gtk
[key_idx
]);
319 key
= rcu_dereference(sdata
->keys
[key_idx
]);
324 memset(¶ms
, 0, sizeof(params
));
326 params
.cipher
= key
->conf
.cipher
;
328 switch (key
->conf
.cipher
) {
329 case WLAN_CIPHER_SUITE_TKIP
:
330 iv32
= key
->u
.tkip
.tx
.iv32
;
331 iv16
= key
->u
.tkip
.tx
.iv16
;
333 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
334 drv_get_tkip_seq(sdata
->local
,
335 key
->conf
.hw_key_idx
,
338 seq
[0] = iv16
& 0xff;
339 seq
[1] = (iv16
>> 8) & 0xff;
340 seq
[2] = iv32
& 0xff;
341 seq
[3] = (iv32
>> 8) & 0xff;
342 seq
[4] = (iv32
>> 16) & 0xff;
343 seq
[5] = (iv32
>> 24) & 0xff;
347 case WLAN_CIPHER_SUITE_CCMP
:
348 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
358 case WLAN_CIPHER_SUITE_AES_CMAC
:
359 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
371 params
.key
= key
->conf
.key
;
372 params
.key_len
= key
->conf
.keylen
;
374 callback(cookie
, ¶ms
);
382 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
383 struct net_device
*dev
,
384 u8 key_idx
, bool uni
,
387 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
389 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
394 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
395 struct net_device
*dev
,
398 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
400 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
405 void sta_set_rate_info_tx(struct sta_info
*sta
,
406 const struct ieee80211_tx_rate
*rate
,
407 struct rate_info
*rinfo
)
410 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
411 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
412 rinfo
->mcs
= rate
->idx
;
413 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
414 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
415 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
416 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
418 struct ieee80211_supported_band
*sband
;
419 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
422 sband
= sta
->local
->hw
.wiphy
->bands
[
423 ieee80211_get_sdata_band(sta
->sdata
)];
424 brate
= sband
->bitrates
[rate
->idx
].bitrate
;
425 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
427 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
428 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
429 if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
430 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
431 if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
432 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
433 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
434 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
437 void sta_set_rate_info_rx(struct sta_info
*sta
, struct rate_info
*rinfo
)
441 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
) {
442 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
443 rinfo
->mcs
= sta
->last_rx_rate_idx
;
444 } else if (sta
->last_rx_rate_flag
& RX_FLAG_VHT
) {
445 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
446 rinfo
->nss
= sta
->last_rx_rate_vht_nss
;
447 rinfo
->mcs
= sta
->last_rx_rate_idx
;
449 struct ieee80211_supported_band
*sband
;
450 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
453 sband
= sta
->local
->hw
.wiphy
->bands
[
454 ieee80211_get_sdata_band(sta
->sdata
)];
455 brate
= sband
->bitrates
[sta
->last_rx_rate_idx
].bitrate
;
456 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
459 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
460 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
461 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
462 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
463 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_80MHZ
)
464 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
465 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_80P80MHZ
)
466 rinfo
->flags
|= RATE_INFO_FLAGS_80P80_MHZ_WIDTH
;
467 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_160MHZ
)
468 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
471 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
473 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
474 struct ieee80211_local
*local
= sdata
->local
;
475 struct rate_control_ref
*ref
= local
->rate_ctrl
;
476 struct timespec uptime
;
481 sinfo
->generation
= sdata
->local
->sta_generation
;
483 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
484 STATION_INFO_RX_BYTES64
|
485 STATION_INFO_TX_BYTES64
|
486 STATION_INFO_RX_PACKETS
|
487 STATION_INFO_TX_PACKETS
|
488 STATION_INFO_TX_RETRIES
|
489 STATION_INFO_TX_FAILED
|
490 STATION_INFO_TX_BITRATE
|
491 STATION_INFO_RX_BITRATE
|
492 STATION_INFO_RX_DROP_MISC
|
493 STATION_INFO_BSS_PARAM
|
494 STATION_INFO_CONNECTED_TIME
|
495 STATION_INFO_STA_FLAGS
|
496 STATION_INFO_BEACON_LOSS_COUNT
;
498 do_posix_clock_monotonic_gettime(&uptime
);
499 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
501 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
503 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
504 sinfo
->tx_bytes
+= sta
->tx_bytes
[ac
];
505 packets
+= sta
->tx_packets
[ac
];
507 sinfo
->tx_packets
= packets
;
508 sinfo
->rx_bytes
= sta
->rx_bytes
;
509 sinfo
->rx_packets
= sta
->rx_packets
;
510 sinfo
->tx_retries
= sta
->tx_retry_count
;
511 sinfo
->tx_failed
= sta
->tx_retry_failed
;
512 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
513 sinfo
->beacon_loss_count
= sta
->beacon_loss_count
;
515 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
516 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
517 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
518 if (!local
->ops
->get_rssi
||
519 drv_get_rssi(local
, sdata
, &sta
->sta
, &sinfo
->signal
))
520 sinfo
->signal
= (s8
)sta
->last_signal
;
521 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
524 sinfo
->filled
|= STATION_INFO_CHAIN_SIGNAL
|
525 STATION_INFO_CHAIN_SIGNAL_AVG
;
527 sinfo
->chains
= sta
->chains
;
528 for (i
= 0; i
< ARRAY_SIZE(sinfo
->chain_signal
); i
++) {
529 sinfo
->chain_signal
[i
] = sta
->chain_signal_last
[i
];
530 sinfo
->chain_signal_avg
[i
] =
531 (s8
) -ewma_read(&sta
->chain_signal_avg
[i
]);
535 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &sinfo
->txrate
);
536 sta_set_rate_info_rx(sta
, &sinfo
->rxrate
);
538 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
539 #ifdef CONFIG_MAC80211_MESH
540 sinfo
->filled
|= STATION_INFO_LLID
|
542 STATION_INFO_PLINK_STATE
|
543 STATION_INFO_LOCAL_PM
|
544 STATION_INFO_PEER_PM
|
545 STATION_INFO_NONPEER_PM
;
547 sinfo
->llid
= sta
->llid
;
548 sinfo
->plid
= sta
->plid
;
549 sinfo
->plink_state
= sta
->plink_state
;
550 if (test_sta_flag(sta
, WLAN_STA_TOFFSET_KNOWN
)) {
551 sinfo
->filled
|= STATION_INFO_T_OFFSET
;
552 sinfo
->t_offset
= sta
->t_offset
;
554 sinfo
->local_pm
= sta
->local_pm
;
555 sinfo
->peer_pm
= sta
->peer_pm
;
556 sinfo
->nonpeer_pm
= sta
->nonpeer_pm
;
560 sinfo
->bss_param
.flags
= 0;
561 if (sdata
->vif
.bss_conf
.use_cts_prot
)
562 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
563 if (sdata
->vif
.bss_conf
.use_short_preamble
)
564 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
565 if (sdata
->vif
.bss_conf
.use_short_slot
)
566 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
567 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
568 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
570 sinfo
->sta_flags
.set
= 0;
571 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
572 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
573 BIT(NL80211_STA_FLAG_WME
) |
574 BIT(NL80211_STA_FLAG_MFP
) |
575 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
576 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
577 BIT(NL80211_STA_FLAG_TDLS_PEER
);
578 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
579 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
580 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
581 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
582 if (test_sta_flag(sta
, WLAN_STA_WME
))
583 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
584 if (test_sta_flag(sta
, WLAN_STA_MFP
))
585 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
586 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
587 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
588 if (test_sta_flag(sta
, WLAN_STA_ASSOC
))
589 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
590 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
591 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
593 /* check if the driver has a SW RC implementation */
594 if (ref
&& ref
->ops
->get_expected_throughput
)
595 thr
= ref
->ops
->get_expected_throughput(sta
->rate_ctrl_priv
);
597 thr
= drv_get_expected_throughput(local
, &sta
->sta
);
600 sinfo
->filled
|= STATION_INFO_EXPECTED_THROUGHPUT
;
601 sinfo
->expected_throughput
= thr
;
605 static const char ieee80211_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
606 "rx_packets", "rx_bytes", "wep_weak_iv_count",
607 "rx_duplicates", "rx_fragments", "rx_dropped",
608 "tx_packets", "tx_bytes", "tx_fragments",
609 "tx_filtered", "tx_retry_failed", "tx_retries",
610 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
611 "channel", "noise", "ch_time", "ch_time_busy",
612 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
614 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
616 static int ieee80211_get_et_sset_count(struct wiphy
*wiphy
,
617 struct net_device
*dev
,
620 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
623 if (sset
== ETH_SS_STATS
)
626 rv
+= drv_get_et_sset_count(sdata
, sset
);
633 static void ieee80211_get_et_stats(struct wiphy
*wiphy
,
634 struct net_device
*dev
,
635 struct ethtool_stats
*stats
,
638 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
639 struct ieee80211_chanctx_conf
*chanctx_conf
;
640 struct ieee80211_channel
*channel
;
641 struct sta_info
*sta
;
642 struct ieee80211_local
*local
= sdata
->local
;
643 struct station_info sinfo
;
644 struct survey_info survey
;
646 #define STA_STATS_SURVEY_LEN 7
648 memset(data
, 0, sizeof(u64
) * STA_STATS_LEN
);
650 #define ADD_STA_STATS(sta) \
652 data[i++] += sta->rx_packets; \
653 data[i++] += sta->rx_bytes; \
654 data[i++] += sta->wep_weak_iv_count; \
655 data[i++] += sta->num_duplicates; \
656 data[i++] += sta->rx_fragments; \
657 data[i++] += sta->rx_dropped; \
659 data[i++] += sinfo.tx_packets; \
660 data[i++] += sinfo.tx_bytes; \
661 data[i++] += sta->tx_fragments; \
662 data[i++] += sta->tx_filtered_count; \
663 data[i++] += sta->tx_retry_failed; \
664 data[i++] += sta->tx_retry_count; \
665 data[i++] += sta->beacon_loss_count; \
668 /* For Managed stations, find the single station based on BSSID
669 * and use that. For interface types, iterate through all available
670 * stations and add stats for any station that is assigned to this
674 mutex_lock(&local
->sta_mtx
);
676 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
677 sta
= sta_info_get_bss(sdata
, sdata
->u
.mgd
.bssid
);
679 if (!(sta
&& !WARN_ON(sta
->sdata
->dev
!= dev
)))
683 sta_set_sinfo(sta
, &sinfo
);
688 data
[i
++] = sta
->sta_state
;
691 if (sinfo
.filled
& STATION_INFO_TX_BITRATE
)
693 cfg80211_calculate_bitrate(&sinfo
.txrate
);
695 if (sinfo
.filled
& STATION_INFO_RX_BITRATE
)
697 cfg80211_calculate_bitrate(&sinfo
.rxrate
);
700 if (sinfo
.filled
& STATION_INFO_SIGNAL_AVG
)
701 data
[i
] = (u8
)sinfo
.signal_avg
;
704 list_for_each_entry(sta
, &local
->sta_list
, list
) {
705 /* Make sure this station belongs to the proper dev */
706 if (sta
->sdata
->dev
!= dev
)
710 sta_set_sinfo(sta
, &sinfo
);
717 i
= STA_STATS_LEN
- STA_STATS_SURVEY_LEN
;
718 /* Get survey stats for current channel */
722 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
724 channel
= chanctx_conf
->def
.chan
;
733 if (drv_get_survey(local
, q
, &survey
) != 0) {
738 } while (channel
!= survey
.channel
);
742 data
[i
++] = survey
.channel
->center_freq
;
745 if (survey
.filled
& SURVEY_INFO_NOISE_DBM
)
746 data
[i
++] = (u8
)survey
.noise
;
749 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME
)
750 data
[i
++] = survey
.channel_time
;
753 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
754 data
[i
++] = survey
.channel_time_busy
;
757 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
758 data
[i
++] = survey
.channel_time_ext_busy
;
761 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
762 data
[i
++] = survey
.channel_time_rx
;
765 if (survey
.filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
766 data
[i
++] = survey
.channel_time_tx
;
770 mutex_unlock(&local
->sta_mtx
);
772 if (WARN_ON(i
!= STA_STATS_LEN
))
775 drv_get_et_stats(sdata
, stats
, &(data
[STA_STATS_LEN
]));
778 static void ieee80211_get_et_strings(struct wiphy
*wiphy
,
779 struct net_device
*dev
,
782 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
783 int sz_sta_stats
= 0;
785 if (sset
== ETH_SS_STATS
) {
786 sz_sta_stats
= sizeof(ieee80211_gstrings_sta_stats
);
787 memcpy(data
, ieee80211_gstrings_sta_stats
, sz_sta_stats
);
789 drv_get_et_strings(sdata
, sset
, &(data
[sz_sta_stats
]));
792 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
793 int idx
, u8
*mac
, struct station_info
*sinfo
)
795 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
796 struct ieee80211_local
*local
= sdata
->local
;
797 struct sta_info
*sta
;
800 mutex_lock(&local
->sta_mtx
);
802 sta
= sta_info_get_by_idx(sdata
, idx
);
805 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
806 sta_set_sinfo(sta
, sinfo
);
809 mutex_unlock(&local
->sta_mtx
);
814 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
815 int idx
, struct survey_info
*survey
)
817 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
819 return drv_get_survey(local
, idx
, survey
);
822 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
823 const u8
*mac
, struct station_info
*sinfo
)
825 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
826 struct ieee80211_local
*local
= sdata
->local
;
827 struct sta_info
*sta
;
830 mutex_lock(&local
->sta_mtx
);
832 sta
= sta_info_get_bss(sdata
, mac
);
835 sta_set_sinfo(sta
, sinfo
);
838 mutex_unlock(&local
->sta_mtx
);
843 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
844 struct cfg80211_chan_def
*chandef
)
846 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
847 struct ieee80211_sub_if_data
*sdata
;
850 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
853 mutex_lock(&local
->mtx
);
854 mutex_lock(&local
->iflist_mtx
);
855 if (local
->use_chanctx
) {
856 sdata
= rcu_dereference_protected(
857 local
->monitor_sdata
,
858 lockdep_is_held(&local
->iflist_mtx
));
860 ieee80211_vif_release_channel(sdata
);
861 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
862 IEEE80211_CHANCTX_EXCLUSIVE
);
864 } else if (local
->open_count
== local
->monitors
) {
865 local
->_oper_chandef
= *chandef
;
866 ieee80211_hw_config(local
, 0);
870 local
->monitor_chandef
= *chandef
;
871 mutex_unlock(&local
->iflist_mtx
);
872 mutex_unlock(&local
->mtx
);
877 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
878 const u8
*resp
, size_t resp_len
)
880 struct probe_resp
*new, *old
;
882 if (!resp
|| !resp_len
)
885 old
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
887 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
892 memcpy(new->data
, resp
, resp_len
);
894 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
896 kfree_rcu(old
, rcu_head
);
901 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
902 struct cfg80211_beacon_data
*params
)
904 struct beacon_data
*new, *old
;
905 int new_head_len
, new_tail_len
;
907 u32 changed
= BSS_CHANGED_BEACON
;
909 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
912 /* Need to have a beacon head if we don't have one yet */
913 if (!params
->head
&& !old
)
916 /* new or old head? */
918 new_head_len
= params
->head_len
;
920 new_head_len
= old
->head_len
;
922 /* new or old tail? */
923 if (params
->tail
|| !old
)
924 /* params->tail_len will be zero for !params->tail */
925 new_tail_len
= params
->tail_len
;
927 new_tail_len
= old
->tail_len
;
929 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
931 new = kzalloc(size
, GFP_KERNEL
);
935 /* start filling the new info now */
938 * pointers go into the block we allocated,
939 * memory is | beacon_data | head | tail |
941 new->head
= ((u8
*) new) + sizeof(*new);
942 new->tail
= new->head
+ new_head_len
;
943 new->head_len
= new_head_len
;
944 new->tail_len
= new_tail_len
;
948 memcpy(new->head
, params
->head
, new_head_len
);
950 memcpy(new->head
, old
->head
, new_head_len
);
952 /* copy in optional tail */
954 memcpy(new->tail
, params
->tail
, new_tail_len
);
957 memcpy(new->tail
, old
->tail
, new_tail_len
);
959 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
960 params
->probe_resp_len
);
964 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
966 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
969 kfree_rcu(old
, rcu_head
);
974 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
975 struct cfg80211_ap_settings
*params
)
977 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
978 struct ieee80211_local
*local
= sdata
->local
;
979 struct beacon_data
*old
;
980 struct ieee80211_sub_if_data
*vlan
;
981 u32 changed
= BSS_CHANGED_BEACON_INT
|
982 BSS_CHANGED_BEACON_ENABLED
|
988 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
992 /* TODO: make hostapd tell us what it wants */
993 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
994 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
996 mutex_lock(&local
->mtx
);
997 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
998 IEEE80211_CHANCTX_SHARED
);
1000 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
1001 mutex_unlock(&local
->mtx
);
1006 * Apply control port protocol, this allows us to
1007 * not encrypt dynamic WEP control frames.
1009 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
1010 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
1011 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
1015 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
1016 vlan
->control_port_protocol
=
1017 params
->crypto
.control_port_ethertype
;
1018 vlan
->control_port_no_encrypt
=
1019 params
->crypto
.control_port_no_encrypt
;
1020 vlan
->encrypt_headroom
=
1021 ieee80211_cs_headroom(sdata
->local
,
1026 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
1027 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
1028 sdata
->vif
.bss_conf
.enable_beacon
= true;
1030 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
1031 if (params
->ssid_len
)
1032 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
1034 sdata
->vif
.bss_conf
.hidden_ssid
=
1035 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
1037 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
1038 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
1039 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
1040 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1041 if (params
->p2p_opp_ps
)
1042 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1043 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1045 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
);
1047 ieee80211_vif_release_channel(sdata
);
1052 err
= drv_start_ap(sdata
->local
, sdata
);
1054 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1057 kfree_rcu(old
, rcu_head
);
1058 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1059 ieee80211_vif_release_channel(sdata
);
1063 ieee80211_recalc_dtim(local
, sdata
);
1064 ieee80211_bss_info_change_notify(sdata
, changed
);
1066 netif_carrier_on(dev
);
1067 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1068 netif_carrier_on(vlan
->dev
);
1073 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
1074 struct cfg80211_beacon_data
*params
)
1076 struct ieee80211_sub_if_data
*sdata
;
1077 struct beacon_data
*old
;
1080 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1081 sdata_assert_lock(sdata
);
1083 /* don't allow changing the beacon while CSA is in place - offset
1084 * of channel switch counter may change
1086 if (sdata
->vif
.csa_active
)
1089 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1093 err
= ieee80211_assign_beacon(sdata
, params
);
1096 ieee80211_bss_info_change_notify(sdata
, err
);
1100 bool ieee80211_csa_needs_block_tx(struct ieee80211_local
*local
)
1102 struct ieee80211_sub_if_data
*sdata
;
1104 lockdep_assert_held(&local
->mtx
);
1107 list_for_each_entry_rcu(sdata
, &local
->interfaces
, list
) {
1108 if (!ieee80211_sdata_running(sdata
))
1111 if (!sdata
->vif
.csa_active
)
1114 if (!sdata
->csa_block_tx
)
1125 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1127 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1128 struct ieee80211_sub_if_data
*vlan
;
1129 struct ieee80211_local
*local
= sdata
->local
;
1130 struct beacon_data
*old_beacon
;
1131 struct probe_resp
*old_probe_resp
;
1132 struct cfg80211_chan_def chandef
;
1134 sdata_assert_lock(sdata
);
1136 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1139 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
1141 /* abort any running channel switch */
1142 mutex_lock(&local
->mtx
);
1143 sdata
->vif
.csa_active
= false;
1144 if (!ieee80211_csa_needs_block_tx(local
))
1145 ieee80211_wake_queues_by_reason(&local
->hw
,
1146 IEEE80211_MAX_QUEUE_MAP
,
1147 IEEE80211_QUEUE_STOP_REASON_CSA
);
1148 mutex_unlock(&local
->mtx
);
1150 kfree(sdata
->u
.ap
.next_beacon
);
1151 sdata
->u
.ap
.next_beacon
= NULL
;
1153 /* turn off carrier for this interface and dependent VLANs */
1154 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1155 netif_carrier_off(vlan
->dev
);
1156 netif_carrier_off(dev
);
1158 /* remove beacon and probe response */
1159 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1160 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
1161 kfree_rcu(old_beacon
, rcu_head
);
1163 kfree_rcu(old_probe_resp
, rcu_head
);
1164 sdata
->u
.ap
.driver_smps_mode
= IEEE80211_SMPS_OFF
;
1166 __sta_info_flush(sdata
, true);
1167 ieee80211_free_keys(sdata
, true);
1169 sdata
->vif
.bss_conf
.enable_beacon
= false;
1170 sdata
->vif
.bss_conf
.ssid_len
= 0;
1171 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
1172 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
1174 if (sdata
->wdev
.cac_started
) {
1175 chandef
= sdata
->vif
.bss_conf
.chandef
;
1176 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
1177 cfg80211_cac_event(sdata
->dev
, &chandef
,
1178 NL80211_RADAR_CAC_ABORTED
,
1182 drv_stop_ap(sdata
->local
, sdata
);
1184 /* free all potentially still buffered bcast frames */
1185 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
1186 skb_queue_purge(&sdata
->u
.ap
.ps
.bc_buf
);
1188 mutex_lock(&local
->mtx
);
1189 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
1190 ieee80211_vif_release_channel(sdata
);
1191 mutex_unlock(&local
->mtx
);
1196 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1197 struct iapp_layer2_update
{
1198 u8 da
[ETH_ALEN
]; /* broadcast */
1199 u8 sa
[ETH_ALEN
]; /* STA addr */
1207 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
1209 struct iapp_layer2_update
*msg
;
1210 struct sk_buff
*skb
;
1212 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1215 skb
= dev_alloc_skb(sizeof(*msg
));
1218 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
1220 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1221 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1223 eth_broadcast_addr(msg
->da
);
1224 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1225 msg
->len
= htons(6);
1227 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1228 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1229 * F=0 (no poll command; unsolicited frame) */
1230 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1231 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1232 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1234 skb
->dev
= sta
->sdata
->dev
;
1235 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1236 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1240 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
1241 struct sta_info
*sta
,
1246 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1247 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1248 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1249 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1254 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1255 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1256 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1257 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1262 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1263 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1264 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1265 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1266 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1273 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1274 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1275 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1276 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1281 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1282 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1283 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1284 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1292 static int sta_apply_parameters(struct ieee80211_local
*local
,
1293 struct sta_info
*sta
,
1294 struct station_parameters
*params
)
1297 struct ieee80211_supported_band
*sband
;
1298 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1299 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
1302 sband
= local
->hw
.wiphy
->bands
[band
];
1304 mask
= params
->sta_flags_mask
;
1305 set
= params
->sta_flags_set
;
1307 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1309 * In mesh mode, ASSOCIATED isn't part of the nl80211
1310 * API but must follow AUTHENTICATED for driver state.
1312 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1313 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1314 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1315 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1316 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1318 * TDLS -- everything follows authorized, but
1319 * only becoming authorized is possible, not
1322 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1323 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1324 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1325 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1326 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1330 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1334 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1335 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1336 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1338 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1341 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
1342 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
1343 set_sta_flag(sta
, WLAN_STA_WME
);
1344 sta
->sta
.wme
= true;
1346 clear_sta_flag(sta
, WLAN_STA_WME
);
1347 sta
->sta
.wme
= false;
1351 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1352 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1353 set_sta_flag(sta
, WLAN_STA_MFP
);
1355 clear_sta_flag(sta
, WLAN_STA_MFP
);
1358 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1359 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1360 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1362 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1365 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1366 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1367 sta
->sta
.max_sp
= params
->max_sp
;
1371 * cfg80211 validates this (1-2007) and allows setting the AID
1372 * only when creating a new station entry
1375 sta
->sta
.aid
= params
->aid
;
1378 * Some of the following updates would be racy if called on an
1379 * existing station, via ieee80211_change_station(). However,
1380 * all such changes are rejected by cfg80211 except for updates
1381 * changing the supported rates on an existing but not yet used
1385 if (params
->listen_interval
>= 0)
1386 sta
->listen_interval
= params
->listen_interval
;
1388 if (params
->supported_rates
) {
1389 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1390 sband
, params
->supported_rates
,
1391 params
->supported_rates_len
,
1392 &sta
->sta
.supp_rates
[band
]);
1395 if (params
->ht_capa
)
1396 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1397 params
->ht_capa
, sta
);
1399 if (params
->vht_capa
)
1400 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1401 params
->vht_capa
, sta
);
1403 if (params
->opmode_notif_used
) {
1404 /* returned value is only needed for rc update, but the
1405 * rc isn't initialized here yet, so ignore it
1407 __ieee80211_vht_handle_opmode(sdata
, sta
,
1408 params
->opmode_notif
,
1412 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1413 #ifdef CONFIG_MAC80211_MESH
1416 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1417 switch (params
->plink_state
) {
1418 case NL80211_PLINK_ESTAB
:
1419 if (sta
->plink_state
!= NL80211_PLINK_ESTAB
)
1420 changed
= mesh_plink_inc_estab_count(
1422 sta
->plink_state
= params
->plink_state
;
1424 ieee80211_mps_sta_status_update(sta
);
1425 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1426 sdata
->u
.mesh
.mshcfg
.power_mode
);
1428 case NL80211_PLINK_LISTEN
:
1429 case NL80211_PLINK_BLOCKED
:
1430 case NL80211_PLINK_OPN_SNT
:
1431 case NL80211_PLINK_OPN_RCVD
:
1432 case NL80211_PLINK_CNF_RCVD
:
1433 case NL80211_PLINK_HOLDING
:
1434 if (sta
->plink_state
== NL80211_PLINK_ESTAB
)
1435 changed
= mesh_plink_dec_estab_count(
1437 sta
->plink_state
= params
->plink_state
;
1439 ieee80211_mps_sta_status_update(sta
);
1440 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1441 NL80211_MESH_POWER_UNKNOWN
);
1449 switch (params
->plink_action
) {
1450 case NL80211_PLINK_ACTION_NO_ACTION
:
1453 case NL80211_PLINK_ACTION_OPEN
:
1454 changed
|= mesh_plink_open(sta
);
1456 case NL80211_PLINK_ACTION_BLOCK
:
1457 changed
|= mesh_plink_block(sta
);
1461 if (params
->local_pm
)
1463 ieee80211_mps_set_sta_local_pm(sta
,
1465 ieee80211_mbss_info_change_notify(sdata
, changed
);
1472 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1474 struct station_parameters
*params
)
1476 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1477 struct sta_info
*sta
;
1478 struct ieee80211_sub_if_data
*sdata
;
1483 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1485 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1486 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1489 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1491 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1494 if (is_multicast_ether_addr(mac
))
1497 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1502 * defaults -- if userspace wants something else we'll
1503 * change it accordingly in sta_apply_parameters()
1505 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))) {
1506 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1507 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1509 sta
->sta
.tdls
= true;
1512 err
= sta_apply_parameters(local
, sta
, params
);
1514 sta_info_free(local
, sta
);
1519 * for TDLS, rate control should be initialized only when
1520 * rates are known and station is marked authorized
1522 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1523 rate_control_rate_init(sta
);
1525 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1526 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1528 err
= sta_info_insert_rcu(sta
);
1535 ieee80211_send_layer2_update(sta
);
1542 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1545 struct ieee80211_sub_if_data
*sdata
;
1547 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1550 return sta_info_destroy_addr_bss(sdata
, mac
);
1552 sta_info_flush(sdata
);
1556 static int ieee80211_change_station(struct wiphy
*wiphy
,
1557 struct net_device
*dev
, const u8
*mac
,
1558 struct station_parameters
*params
)
1560 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1561 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1562 struct sta_info
*sta
;
1563 struct ieee80211_sub_if_data
*vlansdata
;
1564 enum cfg80211_station_type statype
;
1567 mutex_lock(&local
->sta_mtx
);
1569 sta
= sta_info_get_bss(sdata
, mac
);
1575 switch (sdata
->vif
.type
) {
1576 case NL80211_IFTYPE_MESH_POINT
:
1577 if (sdata
->u
.mesh
.user_mpm
)
1578 statype
= CFG80211_STA_MESH_PEER_USER
;
1580 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1582 case NL80211_IFTYPE_ADHOC
:
1583 statype
= CFG80211_STA_IBSS
;
1585 case NL80211_IFTYPE_STATION
:
1586 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1587 statype
= CFG80211_STA_AP_STA
;
1590 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1591 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1593 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1595 case NL80211_IFTYPE_AP
:
1596 case NL80211_IFTYPE_AP_VLAN
:
1597 statype
= CFG80211_STA_AP_CLIENT
;
1604 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1608 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1609 bool prev_4addr
= false;
1610 bool new_4addr
= false;
1612 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1614 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1615 if (vlansdata
->u
.vlan
.sta
) {
1620 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1624 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1625 sta
->sdata
->u
.vlan
.sta
) {
1626 RCU_INIT_POINTER(sta
->sdata
->u
.vlan
.sta
, NULL
);
1630 sta
->sdata
= vlansdata
;
1632 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1633 prev_4addr
!= new_4addr
) {
1635 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1637 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1640 ieee80211_send_layer2_update(sta
);
1643 err
= sta_apply_parameters(local
, sta
, params
);
1647 /* When peer becomes authorized, init rate control as well */
1648 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1649 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1650 rate_control_rate_init(sta
);
1652 mutex_unlock(&local
->sta_mtx
);
1654 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1655 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1656 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1657 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1658 sta_info_tx_streams(sta
) != 1) {
1660 "%pM just authorized and MIMO capable - update SMPS\n",
1662 ieee80211_send_smps_action(sta
->sdata
,
1663 sta
->sdata
->bss
->req_smps
,
1665 sta
->sdata
->vif
.bss_conf
.bssid
);
1668 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1669 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1670 ieee80211_recalc_ps(local
, -1);
1671 ieee80211_recalc_ps_vif(sdata
);
1676 mutex_unlock(&local
->sta_mtx
);
1680 #ifdef CONFIG_MAC80211_MESH
1681 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1682 const u8
*dst
, const u8
*next_hop
)
1684 struct ieee80211_sub_if_data
*sdata
;
1685 struct mesh_path
*mpath
;
1686 struct sta_info
*sta
;
1688 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1691 sta
= sta_info_get(sdata
, next_hop
);
1697 mpath
= mesh_path_add(sdata
, dst
);
1698 if (IS_ERR(mpath
)) {
1700 return PTR_ERR(mpath
);
1703 mesh_path_fix_nexthop(mpath
, sta
);
1709 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1712 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1715 return mesh_path_del(sdata
, dst
);
1717 mesh_path_flush_by_iface(sdata
);
1721 static int ieee80211_change_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1722 const u8
*dst
, const u8
*next_hop
)
1724 struct ieee80211_sub_if_data
*sdata
;
1725 struct mesh_path
*mpath
;
1726 struct sta_info
*sta
;
1728 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1732 sta
= sta_info_get(sdata
, next_hop
);
1738 mpath
= mesh_path_lookup(sdata
, dst
);
1744 mesh_path_fix_nexthop(mpath
, sta
);
1750 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1751 struct mpath_info
*pinfo
)
1753 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1756 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1758 memset(next_hop
, 0, ETH_ALEN
);
1760 memset(pinfo
, 0, sizeof(*pinfo
));
1762 pinfo
->generation
= mesh_paths_generation
;
1764 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1767 MPATH_INFO_EXPTIME
|
1768 MPATH_INFO_DISCOVERY_TIMEOUT
|
1769 MPATH_INFO_DISCOVERY_RETRIES
|
1772 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1773 pinfo
->sn
= mpath
->sn
;
1774 pinfo
->metric
= mpath
->metric
;
1775 if (time_before(jiffies
, mpath
->exp_time
))
1776 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1777 pinfo
->discovery_timeout
=
1778 jiffies_to_msecs(mpath
->discovery_timeout
);
1779 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1780 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1781 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1782 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1783 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1784 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1785 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1786 if (mpath
->flags
& MESH_PATH_FIXED
)
1787 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1788 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1789 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1792 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1793 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1796 struct ieee80211_sub_if_data
*sdata
;
1797 struct mesh_path
*mpath
;
1799 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1802 mpath
= mesh_path_lookup(sdata
, dst
);
1807 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1808 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1813 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1814 int idx
, u8
*dst
, u8
*next_hop
,
1815 struct mpath_info
*pinfo
)
1817 struct ieee80211_sub_if_data
*sdata
;
1818 struct mesh_path
*mpath
;
1820 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1823 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1828 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1829 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1834 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1835 struct net_device
*dev
,
1836 struct mesh_config
*conf
)
1838 struct ieee80211_sub_if_data
*sdata
;
1839 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1841 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1845 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1847 return (mask
>> (parm
-1)) & 0x1;
1850 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1851 const struct mesh_setup
*setup
)
1855 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1856 struct ieee80211_sub_if_data
, u
.mesh
);
1858 /* allocate information elements */
1862 if (setup
->ie_len
) {
1863 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1868 ifmsh
->ie_len
= setup
->ie_len
;
1872 /* now copy the rest of the setup parameters */
1873 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1874 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1875 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1876 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1877 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1878 ifmsh
->user_mpm
= setup
->user_mpm
;
1879 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1880 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1881 if (setup
->is_authenticated
)
1882 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1883 if (setup
->is_secure
)
1884 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1886 /* mcast rate setting in Mesh Node */
1887 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1888 sizeof(setup
->mcast_rate
));
1889 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1891 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1892 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1897 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1898 struct net_device
*dev
, u32 mask
,
1899 const struct mesh_config
*nconf
)
1901 struct mesh_config
*conf
;
1902 struct ieee80211_sub_if_data
*sdata
;
1903 struct ieee80211_if_mesh
*ifmsh
;
1905 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1906 ifmsh
= &sdata
->u
.mesh
;
1908 /* Set the config options which we are interested in setting */
1909 conf
= &(sdata
->u
.mesh
.mshcfg
);
1910 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1911 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1912 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1913 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1914 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1915 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1916 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1917 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1918 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1919 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1920 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1921 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1922 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1923 conf
->element_ttl
= nconf
->element_ttl
;
1924 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1925 if (ifmsh
->user_mpm
)
1927 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1929 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1930 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1931 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1932 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1933 conf
->dot11MeshHWMPmaxPREQretries
=
1934 nconf
->dot11MeshHWMPmaxPREQretries
;
1935 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1936 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1937 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1938 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1939 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1940 conf
->dot11MeshHWMPactivePathTimeout
=
1941 nconf
->dot11MeshHWMPactivePathTimeout
;
1942 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1943 conf
->dot11MeshHWMPpreqMinInterval
=
1944 nconf
->dot11MeshHWMPpreqMinInterval
;
1945 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1946 conf
->dot11MeshHWMPperrMinInterval
=
1947 nconf
->dot11MeshHWMPperrMinInterval
;
1948 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1950 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1951 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1952 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1953 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1954 ieee80211_mesh_root_setup(ifmsh
);
1956 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1957 /* our current gate announcement implementation rides on root
1958 * announcements, so require this ifmsh to also be a root node
1960 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1961 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1962 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1963 ieee80211_mesh_root_setup(ifmsh
);
1965 conf
->dot11MeshGateAnnouncementProtocol
=
1966 nconf
->dot11MeshGateAnnouncementProtocol
;
1968 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1969 conf
->dot11MeshHWMPRannInterval
=
1970 nconf
->dot11MeshHWMPRannInterval
;
1971 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1972 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1973 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1974 /* our RSSI threshold implementation is supported only for
1975 * devices that report signal in dBm.
1977 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1979 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1981 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1982 conf
->ht_opmode
= nconf
->ht_opmode
;
1983 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1984 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1986 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1987 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1988 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1989 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1990 conf
->dot11MeshHWMProotInterval
=
1991 nconf
->dot11MeshHWMProotInterval
;
1992 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1993 conf
->dot11MeshHWMPconfirmationInterval
=
1994 nconf
->dot11MeshHWMPconfirmationInterval
;
1995 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1996 conf
->power_mode
= nconf
->power_mode
;
1997 ieee80211_mps_local_status_update(sdata
);
1999 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
2000 conf
->dot11MeshAwakeWindowDuration
=
2001 nconf
->dot11MeshAwakeWindowDuration
;
2002 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
2003 conf
->plink_timeout
= nconf
->plink_timeout
;
2004 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
2008 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
2009 const struct mesh_config
*conf
,
2010 const struct mesh_setup
*setup
)
2012 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2013 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
2016 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
2017 err
= copy_mesh_setup(ifmsh
, setup
);
2021 /* can mesh use other SMPS modes? */
2022 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2023 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
2025 mutex_lock(&sdata
->local
->mtx
);
2026 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
2027 IEEE80211_CHANCTX_SHARED
);
2028 mutex_unlock(&sdata
->local
->mtx
);
2032 return ieee80211_start_mesh(sdata
);
2035 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
2037 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2039 ieee80211_stop_mesh(sdata
);
2040 mutex_lock(&sdata
->local
->mtx
);
2041 ieee80211_vif_release_channel(sdata
);
2042 mutex_unlock(&sdata
->local
->mtx
);
2048 static int ieee80211_change_bss(struct wiphy
*wiphy
,
2049 struct net_device
*dev
,
2050 struct bss_parameters
*params
)
2052 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2053 enum ieee80211_band band
;
2056 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
2059 band
= ieee80211_get_sdata_band(sdata
);
2061 if (params
->use_cts_prot
>= 0) {
2062 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
2063 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
2065 if (params
->use_short_preamble
>= 0) {
2066 sdata
->vif
.bss_conf
.use_short_preamble
=
2067 params
->use_short_preamble
;
2068 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
2071 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
2072 band
== IEEE80211_BAND_5GHZ
) {
2073 sdata
->vif
.bss_conf
.use_short_slot
= true;
2074 changed
|= BSS_CHANGED_ERP_SLOT
;
2077 if (params
->use_short_slot_time
>= 0) {
2078 sdata
->vif
.bss_conf
.use_short_slot
=
2079 params
->use_short_slot_time
;
2080 changed
|= BSS_CHANGED_ERP_SLOT
;
2083 if (params
->basic_rates
) {
2084 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
2086 params
->basic_rates
,
2087 params
->basic_rates_len
,
2088 &sdata
->vif
.bss_conf
.basic_rates
);
2089 changed
|= BSS_CHANGED_BASIC_RATES
;
2092 if (params
->ap_isolate
>= 0) {
2093 if (params
->ap_isolate
)
2094 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2096 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2099 if (params
->ht_opmode
>= 0) {
2100 sdata
->vif
.bss_conf
.ht_operation_mode
=
2101 (u16
) params
->ht_opmode
;
2102 changed
|= BSS_CHANGED_HT
;
2105 if (params
->p2p_ctwindow
>= 0) {
2106 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2107 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2108 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2109 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2110 changed
|= BSS_CHANGED_P2P_PS
;
2113 if (params
->p2p_opp_ps
> 0) {
2114 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2115 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2116 changed
|= BSS_CHANGED_P2P_PS
;
2117 } else if (params
->p2p_opp_ps
== 0) {
2118 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2119 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2120 changed
|= BSS_CHANGED_P2P_PS
;
2123 ieee80211_bss_info_change_notify(sdata
, changed
);
2128 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
2129 struct net_device
*dev
,
2130 struct ieee80211_txq_params
*params
)
2132 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2133 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2134 struct ieee80211_tx_queue_params p
;
2136 if (!local
->ops
->conf_tx
)
2139 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
2142 memset(&p
, 0, sizeof(p
));
2143 p
.aifs
= params
->aifs
;
2144 p
.cw_max
= params
->cwmax
;
2145 p
.cw_min
= params
->cwmin
;
2146 p
.txop
= params
->txop
;
2149 * Setting tx queue params disables u-apsd because it's only
2150 * called in master mode.
2154 sdata
->tx_conf
[params
->ac
] = p
;
2155 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
2156 wiphy_debug(local
->hw
.wiphy
,
2157 "failed to set TX queue parameters for AC %d\n",
2162 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
2168 static int ieee80211_suspend(struct wiphy
*wiphy
,
2169 struct cfg80211_wowlan
*wowlan
)
2171 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
2174 static int ieee80211_resume(struct wiphy
*wiphy
)
2176 return __ieee80211_resume(wiphy_priv(wiphy
));
2179 #define ieee80211_suspend NULL
2180 #define ieee80211_resume NULL
2183 static int ieee80211_scan(struct wiphy
*wiphy
,
2184 struct cfg80211_scan_request
*req
)
2186 struct ieee80211_sub_if_data
*sdata
;
2188 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
2190 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
2191 case NL80211_IFTYPE_STATION
:
2192 case NL80211_IFTYPE_ADHOC
:
2193 case NL80211_IFTYPE_MESH_POINT
:
2194 case NL80211_IFTYPE_P2P_CLIENT
:
2195 case NL80211_IFTYPE_P2P_DEVICE
:
2197 case NL80211_IFTYPE_P2P_GO
:
2198 if (sdata
->local
->ops
->hw_scan
)
2201 * FIXME: implement NoA while scanning in software,
2202 * for now fall through to allow scanning only when
2203 * beaconing hasn't been configured yet
2205 case NL80211_IFTYPE_AP
:
2207 * If the scan has been forced (and the driver supports
2208 * forcing), don't care about being beaconing already.
2209 * This will create problems to the attached stations (e.g. all
2210 * the frames sent while scanning on other channel will be
2213 if (sdata
->u
.ap
.beacon
&&
2214 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
2215 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
2222 return ieee80211_request_scan(sdata
, req
);
2226 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
2227 struct net_device
*dev
,
2228 struct cfg80211_sched_scan_request
*req
)
2230 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2232 if (!sdata
->local
->ops
->sched_scan_start
)
2235 return ieee80211_request_sched_scan_start(sdata
, req
);
2239 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
2241 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2243 if (!sdata
->local
->ops
->sched_scan_stop
)
2246 return ieee80211_request_sched_scan_stop(sdata
);
2249 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
2250 struct cfg80211_auth_request
*req
)
2252 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2255 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2256 struct cfg80211_assoc_request
*req
)
2258 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2261 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
2262 struct cfg80211_deauth_request
*req
)
2264 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2267 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2268 struct cfg80211_disassoc_request
*req
)
2270 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2273 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2274 struct cfg80211_ibss_params
*params
)
2276 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2279 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2281 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2284 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2285 int rate
[IEEE80211_NUM_BANDS
])
2287 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2289 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2290 sizeof(int) * IEEE80211_NUM_BANDS
);
2295 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2297 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2300 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2301 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2307 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
2308 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
2314 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2315 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2321 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2322 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2324 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2326 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2327 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2329 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2332 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2333 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2338 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2339 struct wireless_dev
*wdev
,
2340 enum nl80211_tx_power_setting type
, int mbm
)
2342 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2343 struct ieee80211_sub_if_data
*sdata
;
2346 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2349 case NL80211_TX_POWER_AUTOMATIC
:
2350 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2352 case NL80211_TX_POWER_LIMITED
:
2353 case NL80211_TX_POWER_FIXED
:
2354 if (mbm
< 0 || (mbm
% 100))
2356 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2360 ieee80211_recalc_txpower(sdata
);
2366 case NL80211_TX_POWER_AUTOMATIC
:
2367 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2369 case NL80211_TX_POWER_LIMITED
:
2370 case NL80211_TX_POWER_FIXED
:
2371 if (mbm
< 0 || (mbm
% 100))
2373 local
->user_power_level
= MBM_TO_DBM(mbm
);
2377 mutex_lock(&local
->iflist_mtx
);
2378 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2379 sdata
->user_power_level
= local
->user_power_level
;
2380 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2381 ieee80211_recalc_txpower(sdata
);
2382 mutex_unlock(&local
->iflist_mtx
);
2387 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2388 struct wireless_dev
*wdev
,
2391 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2392 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2394 if (!local
->use_chanctx
)
2395 *dbm
= local
->hw
.conf
.power_level
;
2397 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2402 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2405 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2407 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2412 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2414 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2416 drv_rfkill_poll(local
);
2419 #ifdef CONFIG_NL80211_TESTMODE
2420 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2421 struct wireless_dev
*wdev
,
2422 void *data
, int len
)
2424 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2425 struct ieee80211_vif
*vif
= NULL
;
2427 if (!local
->ops
->testmode_cmd
)
2431 struct ieee80211_sub_if_data
*sdata
;
2433 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2434 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2438 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2441 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2442 struct sk_buff
*skb
,
2443 struct netlink_callback
*cb
,
2444 void *data
, int len
)
2446 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2448 if (!local
->ops
->testmode_dump
)
2451 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2455 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2456 enum ieee80211_smps_mode smps_mode
)
2458 struct sta_info
*sta
;
2459 enum ieee80211_smps_mode old_req
;
2462 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2465 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2468 old_req
= sdata
->u
.ap
.req_smps
;
2469 sdata
->u
.ap
.req_smps
= smps_mode
;
2471 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2472 if (old_req
== smps_mode
||
2473 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2476 /* If no associated stations, there's no need to do anything */
2477 if (!atomic_read(&sdata
->u
.ap
.num_mcast_sta
)) {
2478 sdata
->smps_mode
= smps_mode
;
2479 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2484 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2485 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2487 mutex_lock(&sdata
->local
->sta_mtx
);
2488 for (i
= 0; i
< STA_HASH_SIZE
; i
++) {
2489 for (sta
= rcu_dereference_protected(sdata
->local
->sta_hash
[i
],
2490 lockdep_is_held(&sdata
->local
->sta_mtx
));
2492 sta
= rcu_dereference_protected(sta
->hnext
,
2493 lockdep_is_held(&sdata
->local
->sta_mtx
))) {
2495 * Only stations associated to our AP and
2498 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2501 /* This station doesn't support MIMO - skip it */
2502 if (sta_info_tx_streams(sta
) == 1)
2506 * Don't wake up a STA just to send the action frame
2507 * unless we are getting more restrictive.
2509 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2510 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2513 "Won't send SMPS to sleeping STA %pM\n",
2519 * If the STA is not authorized, wait until it gets
2520 * authorized and the action frame will be sent then.
2522 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2525 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2526 ieee80211_send_smps_action(sdata
, smps_mode
,
2528 sdata
->vif
.bss_conf
.bssid
);
2531 mutex_unlock(&sdata
->local
->sta_mtx
);
2533 sdata
->smps_mode
= smps_mode
;
2534 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2539 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2540 enum ieee80211_smps_mode smps_mode
)
2543 enum ieee80211_smps_mode old_req
;
2546 lockdep_assert_held(&sdata
->wdev
.mtx
);
2548 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2551 old_req
= sdata
->u
.mgd
.req_smps
;
2552 sdata
->u
.mgd
.req_smps
= smps_mode
;
2554 if (old_req
== smps_mode
&&
2555 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2559 * If not associated, or current association is not an HT
2560 * association, there's no need to do anything, just store
2561 * the new value until we associate.
2563 if (!sdata
->u
.mgd
.associated
||
2564 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2567 ap
= sdata
->u
.mgd
.associated
->bssid
;
2569 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2570 if (sdata
->u
.mgd
.powersave
)
2571 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2573 smps_mode
= IEEE80211_SMPS_OFF
;
2576 /* send SM PS frame to AP */
2577 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2580 sdata
->u
.mgd
.req_smps
= old_req
;
2585 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2586 bool enabled
, int timeout
)
2588 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2589 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2591 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2594 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2597 if (enabled
== sdata
->u
.mgd
.powersave
&&
2598 timeout
== local
->dynamic_ps_forced_timeout
)
2601 sdata
->u
.mgd
.powersave
= enabled
;
2602 local
->dynamic_ps_forced_timeout
= timeout
;
2604 /* no change, but if automatic follow powersave */
2606 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2607 sdata_unlock(sdata
);
2609 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2610 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2612 ieee80211_recalc_ps(local
, -1);
2613 ieee80211_recalc_ps_vif(sdata
);
2618 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2619 struct net_device
*dev
,
2620 s32 rssi_thold
, u32 rssi_hyst
)
2622 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2623 struct ieee80211_vif
*vif
= &sdata
->vif
;
2624 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2626 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2627 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2630 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2631 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2633 /* tell the driver upon association, unless already associated */
2634 if (sdata
->u
.mgd
.associated
&&
2635 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2636 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2641 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2642 struct net_device
*dev
,
2644 const struct cfg80211_bitrate_mask
*mask
)
2646 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2647 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2650 if (!ieee80211_sdata_running(sdata
))
2653 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2654 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2659 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2660 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2663 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2664 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2665 sizeof(mask
->control
[i
].ht_mcs
));
2667 sdata
->rc_has_mcs_mask
[i
] = false;
2671 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++)
2672 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2673 sdata
->rc_has_mcs_mask
[i
] = true;
2681 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2682 struct ieee80211_sub_if_data
*sdata
,
2683 struct ieee80211_channel
*channel
,
2684 unsigned int duration
, u64
*cookie
,
2685 struct sk_buff
*txskb
,
2686 enum ieee80211_roc_type type
)
2688 struct ieee80211_roc_work
*roc
, *tmp
;
2689 bool queued
= false;
2692 lockdep_assert_held(&local
->mtx
);
2694 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2697 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2702 * If the duration is zero, then the driver
2703 * wouldn't actually do anything. Set it to
2706 * TODO: cancel the off-channel operation
2707 * when we get the SKB's TX status and
2708 * the wait time was zero before.
2713 roc
->chan
= channel
;
2714 roc
->duration
= duration
;
2715 roc
->req_duration
= duration
;
2718 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2720 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2721 INIT_LIST_HEAD(&roc
->dependents
);
2724 * cookie is either the roc cookie (for normal roc)
2725 * or the SKB (for mgmt TX)
2728 /* local->mtx protects this */
2729 local
->roc_cookie_counter
++;
2730 roc
->cookie
= local
->roc_cookie_counter
;
2731 /* wow, you wrapped 64 bits ... more likely a bug */
2732 if (WARN_ON(roc
->cookie
== 0)) {
2734 local
->roc_cookie_counter
++;
2736 *cookie
= roc
->cookie
;
2738 *cookie
= (unsigned long)txskb
;
2741 /* if there's one pending or we're scanning, queue this one */
2742 if (!list_empty(&local
->roc_list
) ||
2743 local
->scanning
|| local
->radar_detect_enabled
)
2744 goto out_check_combine
;
2746 /* if not HW assist, just queue & schedule work */
2747 if (!local
->ops
->remain_on_channel
) {
2748 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2752 /* otherwise actually kick it off here (for error handling) */
2754 ret
= drv_remain_on_channel(local
, sdata
, channel
, duration
, type
);
2760 roc
->started
= true;
2764 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2765 if (tmp
->chan
!= channel
|| tmp
->sdata
!= sdata
)
2769 * Extend this ROC if possible:
2771 * If it hasn't started yet, just increase the duration
2772 * and add the new one to the list of dependents.
2773 * If the type of the new ROC has higher priority, modify the
2774 * type of the previous one to match that of the new one.
2776 if (!tmp
->started
) {
2777 list_add_tail(&roc
->list
, &tmp
->dependents
);
2778 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2779 tmp
->type
= max(tmp
->type
, roc
->type
);
2784 /* If it has already started, it's more difficult ... */
2785 if (local
->ops
->remain_on_channel
) {
2786 unsigned long j
= jiffies
;
2789 * In the offloaded ROC case, if it hasn't begun, add
2790 * this new one to the dependent list to be handled
2791 * when the master one begins. If it has begun,
2792 * check that there's still a minimum time left and
2793 * if so, start this one, transmitting the frame, but
2794 * add it to the list directly after this one with
2795 * a reduced time so we'll ask the driver to execute
2796 * it right after finishing the previous one, in the
2797 * hope that it'll also be executed right afterwards,
2798 * effectively extending the old one.
2799 * If there's no minimum time left, just add it to the
2801 * TODO: the ROC type is ignored here, assuming that it
2802 * is better to immediately use the current ROC.
2804 if (!tmp
->hw_begun
) {
2805 list_add_tail(&roc
->list
, &tmp
->dependents
);
2810 if (time_before(j
+ IEEE80211_ROC_MIN_LEFT
,
2811 tmp
->hw_start_time
+
2812 msecs_to_jiffies(tmp
->duration
))) {
2815 ieee80211_handle_roc_started(roc
);
2817 new_dur
= roc
->duration
-
2818 jiffies_to_msecs(tmp
->hw_start_time
+
2824 /* add right after tmp */
2825 list_add(&roc
->list
, &tmp
->list
);
2827 list_add_tail(&roc
->list
,
2832 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2833 unsigned long new_end
;
2836 * In the software ROC case, cancel the timer, if
2837 * that fails then the finish work is already
2838 * queued/pending and thus we queue the new ROC
2839 * normally, if that succeeds then we can extend
2840 * the timer duration and TX the frame (if any.)
2843 list_add_tail(&roc
->list
, &tmp
->dependents
);
2846 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2848 /* ok, it was started & we canceled timer */
2849 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2850 mod_timer(&tmp
->work
.timer
, new_end
);
2852 add_timer(&tmp
->work
.timer
);
2854 ieee80211_handle_roc_started(roc
);
2861 list_add_tail(&roc
->list
, &local
->roc_list
);
2866 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2867 struct wireless_dev
*wdev
,
2868 struct ieee80211_channel
*chan
,
2869 unsigned int duration
,
2872 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2873 struct ieee80211_local
*local
= sdata
->local
;
2876 mutex_lock(&local
->mtx
);
2877 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2878 duration
, cookie
, NULL
,
2879 IEEE80211_ROC_TYPE_NORMAL
);
2880 mutex_unlock(&local
->mtx
);
2885 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2886 u64 cookie
, bool mgmt_tx
)
2888 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2891 mutex_lock(&local
->mtx
);
2892 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2893 struct ieee80211_roc_work
*dep
, *tmp2
;
2895 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2896 if (!mgmt_tx
&& dep
->cookie
!= cookie
)
2898 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2900 /* found dependent item -- just remove it */
2901 list_del(&dep
->list
);
2902 mutex_unlock(&local
->mtx
);
2904 ieee80211_roc_notify_destroy(dep
, true);
2908 if (!mgmt_tx
&& roc
->cookie
!= cookie
)
2910 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2918 mutex_unlock(&local
->mtx
);
2923 * We found the item to cancel, so do that. Note that it
2924 * may have dependents, which we also cancel (and send
2925 * the expired signal for.) Not doing so would be quite
2926 * tricky here, but we may need to fix it later.
2929 if (local
->ops
->remain_on_channel
) {
2930 if (found
->started
) {
2931 ret
= drv_cancel_remain_on_channel(local
);
2932 if (WARN_ON_ONCE(ret
)) {
2933 mutex_unlock(&local
->mtx
);
2938 list_del(&found
->list
);
2941 ieee80211_start_next_roc(local
);
2942 mutex_unlock(&local
->mtx
);
2944 ieee80211_roc_notify_destroy(found
, true);
2946 /* work may be pending so use it all the time */
2947 found
->abort
= true;
2948 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2950 mutex_unlock(&local
->mtx
);
2952 /* work will clean up etc */
2953 flush_delayed_work(&found
->work
);
2954 WARN_ON(!found
->to_be_freed
);
2961 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2962 struct wireless_dev
*wdev
,
2965 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2966 struct ieee80211_local
*local
= sdata
->local
;
2968 return ieee80211_cancel_roc(local
, cookie
, false);
2971 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2972 struct net_device
*dev
,
2973 struct cfg80211_chan_def
*chandef
,
2976 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2977 struct ieee80211_local
*local
= sdata
->local
;
2980 mutex_lock(&local
->mtx
);
2981 if (!list_empty(&local
->roc_list
) || local
->scanning
) {
2986 /* whatever, but channel contexts should not complain about that one */
2987 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2988 sdata
->needed_rx_chains
= local
->rx_chains
;
2990 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2991 IEEE80211_CHANCTX_SHARED
);
2995 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2996 &sdata
->dfs_cac_timer_work
,
2997 msecs_to_jiffies(cac_time_ms
));
3000 mutex_unlock(&local
->mtx
);
3004 static struct cfg80211_beacon_data
*
3005 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
3007 struct cfg80211_beacon_data
*new_beacon
;
3011 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
3012 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
3013 beacon
->probe_resp_len
;
3015 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
3019 pos
= (u8
*)(new_beacon
+ 1);
3020 if (beacon
->head_len
) {
3021 new_beacon
->head_len
= beacon
->head_len
;
3022 new_beacon
->head
= pos
;
3023 memcpy(pos
, beacon
->head
, beacon
->head_len
);
3024 pos
+= beacon
->head_len
;
3026 if (beacon
->tail_len
) {
3027 new_beacon
->tail_len
= beacon
->tail_len
;
3028 new_beacon
->tail
= pos
;
3029 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
3030 pos
+= beacon
->tail_len
;
3032 if (beacon
->beacon_ies_len
) {
3033 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
3034 new_beacon
->beacon_ies
= pos
;
3035 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
3036 pos
+= beacon
->beacon_ies_len
;
3038 if (beacon
->proberesp_ies_len
) {
3039 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
3040 new_beacon
->proberesp_ies
= pos
;
3041 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
3042 pos
+= beacon
->proberesp_ies_len
;
3044 if (beacon
->assocresp_ies_len
) {
3045 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
3046 new_beacon
->assocresp_ies
= pos
;
3047 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
3048 pos
+= beacon
->assocresp_ies_len
;
3050 if (beacon
->probe_resp_len
) {
3051 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
3052 beacon
->probe_resp
= pos
;
3053 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
3054 pos
+= beacon
->probe_resp_len
;
3060 void ieee80211_csa_finish(struct ieee80211_vif
*vif
)
3062 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
3064 ieee80211_queue_work(&sdata
->local
->hw
,
3065 &sdata
->csa_finalize_work
);
3067 EXPORT_SYMBOL(ieee80211_csa_finish
);
3069 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
3074 switch (sdata
->vif
.type
) {
3075 case NL80211_IFTYPE_AP
:
3076 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
);
3077 kfree(sdata
->u
.ap
.next_beacon
);
3078 sdata
->u
.ap
.next_beacon
= NULL
;
3084 case NL80211_IFTYPE_ADHOC
:
3085 err
= ieee80211_ibss_finish_csa(sdata
);
3090 #ifdef CONFIG_MAC80211_MESH
3091 case NL80211_IFTYPE_MESH_POINT
:
3092 err
= ieee80211_mesh_finish_csa(sdata
);
3106 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
3108 struct ieee80211_local
*local
= sdata
->local
;
3112 sdata_assert_lock(sdata
);
3113 lockdep_assert_held(&local
->mtx
);
3115 sdata
->radar_required
= sdata
->csa_radar_required
;
3116 err
= ieee80211_vif_change_channel(sdata
, &changed
);
3120 if (!local
->use_chanctx
) {
3121 local
->_oper_chandef
= sdata
->csa_chandef
;
3122 ieee80211_hw_config(local
, 0);
3125 sdata
->vif
.csa_active
= false;
3127 err
= ieee80211_set_after_csa_beacon(sdata
, &changed
);
3131 ieee80211_bss_info_change_notify(sdata
, changed
);
3132 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
3134 if (!ieee80211_csa_needs_block_tx(local
))
3135 ieee80211_wake_queues_by_reason(&local
->hw
,
3136 IEEE80211_MAX_QUEUE_MAP
,
3137 IEEE80211_QUEUE_STOP_REASON_CSA
);
3142 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
3144 if (__ieee80211_csa_finalize(sdata
)) {
3145 sdata_info(sdata
, "failed to finalize CSA, disconnecting\n");
3146 cfg80211_stop_iface(sdata
->local
->hw
.wiphy
, &sdata
->wdev
,
3151 void ieee80211_csa_finalize_work(struct work_struct
*work
)
3153 struct ieee80211_sub_if_data
*sdata
=
3154 container_of(work
, struct ieee80211_sub_if_data
,
3156 struct ieee80211_local
*local
= sdata
->local
;
3159 mutex_lock(&local
->mtx
);
3161 /* AP might have been stopped while waiting for the lock. */
3162 if (!sdata
->vif
.csa_active
)
3165 if (!ieee80211_sdata_running(sdata
))
3168 ieee80211_csa_finalize(sdata
);
3171 mutex_unlock(&local
->mtx
);
3172 sdata_unlock(sdata
);
3175 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
3176 struct cfg80211_csa_settings
*params
,
3181 switch (sdata
->vif
.type
) {
3182 case NL80211_IFTYPE_AP
:
3183 sdata
->u
.ap
.next_beacon
=
3184 cfg80211_beacon_dup(¶ms
->beacon_after
);
3185 if (!sdata
->u
.ap
.next_beacon
)
3189 * With a count of 0, we don't have to wait for any
3190 * TBTT before switching, so complete the CSA
3191 * immediately. In theory, with a count == 1 we
3192 * should delay the switch until just before the next
3193 * TBTT, but that would complicate things so we switch
3194 * immediately too. If we would delay the switch
3195 * until the next TBTT, we would have to set the probe
3198 * TODO: A channel switch with count <= 1 without
3199 * sending a CSA action frame is kind of useless,
3200 * because the clients won't know we're changing
3201 * channels. The action frame must be implemented
3202 * either here or in the userspace.
3204 if (params
->count
<= 1)
3207 if ((params
->n_counter_offsets_beacon
>
3208 IEEE80211_MAX_CSA_COUNTERS_NUM
) ||
3209 (params
->n_counter_offsets_presp
>
3210 IEEE80211_MAX_CSA_COUNTERS_NUM
))
3213 /* make sure we don't have garbage in other counters */
3214 memset(sdata
->csa_counter_offset_beacon
, 0,
3215 sizeof(sdata
->csa_counter_offset_beacon
));
3216 memset(sdata
->csa_counter_offset_presp
, 0,
3217 sizeof(sdata
->csa_counter_offset_presp
));
3219 memcpy(sdata
->csa_counter_offset_beacon
,
3220 params
->counter_offsets_beacon
,
3221 params
->n_counter_offsets_beacon
* sizeof(u16
));
3222 memcpy(sdata
->csa_counter_offset_presp
,
3223 params
->counter_offsets_presp
,
3224 params
->n_counter_offsets_presp
* sizeof(u16
));
3226 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
);
3228 kfree(sdata
->u
.ap
.next_beacon
);
3234 case NL80211_IFTYPE_ADHOC
:
3235 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3238 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
3241 switch (params
->chandef
.width
) {
3242 case NL80211_CHAN_WIDTH_40
:
3243 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
3244 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
3246 case NL80211_CHAN_WIDTH_5
:
3247 case NL80211_CHAN_WIDTH_10
:
3248 case NL80211_CHAN_WIDTH_20_NOHT
:
3249 case NL80211_CHAN_WIDTH_20
:
3255 /* changes into another band are not supported */
3256 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
3257 params
->chandef
.chan
->band
)
3260 /* see comments in the NL80211_IFTYPE_AP block */
3261 if (params
->count
> 1) {
3262 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
3268 ieee80211_send_action_csa(sdata
, params
);
3271 #ifdef CONFIG_MAC80211_MESH
3272 case NL80211_IFTYPE_MESH_POINT
: {
3273 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
3275 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
3278 /* changes into another band are not supported */
3279 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
3280 params
->chandef
.chan
->band
)
3283 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_NONE
) {
3284 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_INIT
;
3285 if (!ifmsh
->pre_value
)
3286 ifmsh
->pre_value
= 1;
3291 /* see comments in the NL80211_IFTYPE_AP block */
3292 if (params
->count
> 1) {
3293 err
= ieee80211_mesh_csa_beacon(sdata
, params
);
3295 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_NONE
;
3301 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_INIT
)
3302 ieee80211_send_action_csa(sdata
, params
);
3315 __ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3316 struct cfg80211_csa_settings
*params
)
3318 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3319 struct ieee80211_local
*local
= sdata
->local
;
3320 struct ieee80211_chanctx_conf
*conf
;
3321 struct ieee80211_chanctx
*chanctx
;
3322 int err
, num_chanctx
, changed
= 0;
3324 sdata_assert_lock(sdata
);
3325 lockdep_assert_held(&local
->mtx
);
3327 if (!list_empty(&local
->roc_list
) || local
->scanning
)
3330 if (sdata
->wdev
.cac_started
)
3333 if (cfg80211_chandef_identical(¶ms
->chandef
,
3334 &sdata
->vif
.bss_conf
.chandef
))
3337 mutex_lock(&local
->chanctx_mtx
);
3338 conf
= rcu_dereference_protected(sdata
->vif
.chanctx_conf
,
3339 lockdep_is_held(&local
->chanctx_mtx
));
3341 mutex_unlock(&local
->chanctx_mtx
);
3345 /* don't handle for multi-VIF cases */
3346 chanctx
= container_of(conf
, struct ieee80211_chanctx
, conf
);
3347 if (ieee80211_chanctx_refcount(local
, chanctx
) > 1) {
3348 mutex_unlock(&local
->chanctx_mtx
);
3352 list_for_each_entry_rcu(chanctx
, &local
->chanctx_list
, list
)
3354 mutex_unlock(&local
->chanctx_mtx
);
3356 if (num_chanctx
> 1)
3359 /* don't allow another channel switch if one is already active. */
3360 if (sdata
->vif
.csa_active
)
3363 err
= ieee80211_set_csa_beacon(sdata
, params
, &changed
);
3367 sdata
->csa_radar_required
= params
->radar_required
;
3368 sdata
->csa_chandef
= params
->chandef
;
3369 sdata
->csa_block_tx
= params
->block_tx
;
3370 sdata
->csa_current_counter
= params
->count
;
3371 sdata
->vif
.csa_active
= true;
3373 if (sdata
->csa_block_tx
)
3374 ieee80211_stop_queues_by_reason(&local
->hw
,
3375 IEEE80211_MAX_QUEUE_MAP
,
3376 IEEE80211_QUEUE_STOP_REASON_CSA
);
3379 ieee80211_bss_info_change_notify(sdata
, changed
);
3380 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3382 /* if the beacon didn't change, we can finalize immediately */
3383 ieee80211_csa_finalize(sdata
);
3389 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3390 struct cfg80211_csa_settings
*params
)
3392 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3393 struct ieee80211_local
*local
= sdata
->local
;
3396 mutex_lock(&local
->mtx
);
3397 err
= __ieee80211_channel_switch(wiphy
, dev
, params
);
3398 mutex_unlock(&local
->mtx
);
3403 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3404 struct cfg80211_mgmt_tx_params
*params
,
3407 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3408 struct ieee80211_local
*local
= sdata
->local
;
3409 struct sk_buff
*skb
;
3410 struct sta_info
*sta
;
3411 const struct ieee80211_mgmt
*mgmt
= (void *)params
->buf
;
3412 bool need_offchan
= false;
3417 if (params
->dont_wait_for_ack
)
3418 flags
= IEEE80211_TX_CTL_NO_ACK
;
3420 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
3421 IEEE80211_TX_CTL_REQ_TX_STATUS
;
3424 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
3426 switch (sdata
->vif
.type
) {
3427 case NL80211_IFTYPE_ADHOC
:
3428 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3429 need_offchan
= true;
3431 #ifdef CONFIG_MAC80211_MESH
3432 case NL80211_IFTYPE_MESH_POINT
:
3433 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
3434 !sdata
->u
.mesh
.mesh_id_len
)
3435 need_offchan
= true;
3438 case NL80211_IFTYPE_AP
:
3439 case NL80211_IFTYPE_AP_VLAN
:
3440 case NL80211_IFTYPE_P2P_GO
:
3441 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
3442 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
3443 !rcu_access_pointer(sdata
->bss
->beacon
))
3444 need_offchan
= true;
3445 if (!ieee80211_is_action(mgmt
->frame_control
) ||
3446 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
||
3447 mgmt
->u
.action
.category
== WLAN_CATEGORY_SELF_PROTECTED
||
3448 mgmt
->u
.action
.category
== WLAN_CATEGORY_SPECTRUM_MGMT
)
3451 sta
= sta_info_get(sdata
, mgmt
->da
);
3456 case NL80211_IFTYPE_STATION
:
3457 case NL80211_IFTYPE_P2P_CLIENT
:
3458 if (!sdata
->u
.mgd
.associated
)
3459 need_offchan
= true;
3461 case NL80211_IFTYPE_P2P_DEVICE
:
3462 need_offchan
= true;
3468 /* configurations requiring offchan cannot work if no channel has been
3471 if (need_offchan
&& !params
->chan
)
3474 mutex_lock(&local
->mtx
);
3476 /* Check if the operating channel is the requested channel */
3477 if (!need_offchan
) {
3478 struct ieee80211_chanctx_conf
*chanctx_conf
;
3481 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3484 need_offchan
= params
->chan
&&
3486 chanctx_conf
->def
.chan
);
3487 } else if (!params
->chan
) {
3492 need_offchan
= true;
3497 if (need_offchan
&& !params
->offchan
) {
3502 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ params
->len
);
3507 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3509 data
= skb_put(skb
, params
->len
);
3510 memcpy(data
, params
->buf
, params
->len
);
3512 /* Update CSA counters */
3513 if (sdata
->vif
.csa_active
&&
3514 (sdata
->vif
.type
== NL80211_IFTYPE_AP
||
3515 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) &&
3516 params
->n_csa_offsets
) {
3518 u8 c
= sdata
->csa_current_counter
;
3520 for (i
= 0; i
< params
->n_csa_offsets
; i
++)
3521 data
[params
->csa_offsets
[i
]] = c
;
3524 IEEE80211_SKB_CB(skb
)->flags
= flags
;
3526 skb
->dev
= sdata
->dev
;
3528 if (!need_offchan
) {
3529 *cookie
= (unsigned long) skb
;
3530 ieee80211_tx_skb(sdata
, skb
);
3535 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
|
3536 IEEE80211_TX_INTFL_OFFCHAN_TX_OK
;
3537 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
3538 IEEE80211_SKB_CB(skb
)->hw_queue
=
3539 local
->hw
.offchannel_tx_hw_queue
;
3541 /* This will handle all kinds of coalescing and immediate TX */
3542 ret
= ieee80211_start_roc_work(local
, sdata
, params
->chan
,
3543 params
->wait
, cookie
, skb
,
3544 IEEE80211_ROC_TYPE_MGMT_TX
);
3548 mutex_unlock(&local
->mtx
);
3552 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
3553 struct wireless_dev
*wdev
,
3556 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3558 return ieee80211_cancel_roc(local
, cookie
, true);
3561 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3562 struct wireless_dev
*wdev
,
3563 u16 frame_type
, bool reg
)
3565 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3567 switch (frame_type
) {
3568 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3570 local
->probe_req_reg
++;
3572 local
->probe_req_reg
--;
3574 if (!local
->open_count
)
3577 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
3584 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3586 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3591 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3594 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3596 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3598 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3601 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
3603 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3605 return drv_set_ringparam(local
, tx
, rx
);
3608 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
3609 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
3611 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3613 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
3616 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3617 struct net_device
*dev
,
3618 struct cfg80211_gtk_rekey_data
*data
)
3620 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3621 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3623 if (!local
->ops
->set_rekey_data
)
3626 drv_set_rekey_data(local
, sdata
, data
);
3631 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3632 const u8
*peer
, u64
*cookie
)
3634 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3635 struct ieee80211_local
*local
= sdata
->local
;
3636 struct ieee80211_qos_hdr
*nullfunc
;
3637 struct sk_buff
*skb
;
3638 int size
= sizeof(*nullfunc
);
3641 struct ieee80211_tx_info
*info
;
3642 struct sta_info
*sta
;
3643 struct ieee80211_chanctx_conf
*chanctx_conf
;
3644 enum ieee80211_band band
;
3647 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3648 if (WARN_ON(!chanctx_conf
)) {
3652 band
= chanctx_conf
->def
.chan
->band
;
3653 sta
= sta_info_get_bss(sdata
, peer
);
3655 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
3662 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3663 IEEE80211_STYPE_QOS_NULLFUNC
|
3664 IEEE80211_FCTL_FROMDS
);
3667 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3668 IEEE80211_STYPE_NULLFUNC
|
3669 IEEE80211_FCTL_FROMDS
);
3672 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3680 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3682 nullfunc
= (void *) skb_put(skb
, size
);
3683 nullfunc
->frame_control
= fc
;
3684 nullfunc
->duration_id
= 0;
3685 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3686 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3687 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3688 nullfunc
->seq_ctrl
= 0;
3690 info
= IEEE80211_SKB_CB(skb
);
3692 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3693 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3695 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3698 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3701 ieee80211_xmit(sdata
, skb
, band
);
3705 *cookie
= (unsigned long) skb
;
3709 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3710 struct wireless_dev
*wdev
,
3711 struct cfg80211_chan_def
*chandef
)
3713 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3714 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3715 struct ieee80211_chanctx_conf
*chanctx_conf
;
3719 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3721 *chandef
= chanctx_conf
->def
;
3723 } else if (local
->open_count
> 0 &&
3724 local
->open_count
== local
->monitors
&&
3725 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3726 if (local
->use_chanctx
)
3727 *chandef
= local
->monitor_chandef
;
3729 *chandef
= local
->_oper_chandef
;
3738 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3740 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3744 static int ieee80211_set_qos_map(struct wiphy
*wiphy
,
3745 struct net_device
*dev
,
3746 struct cfg80211_qos_map
*qos_map
)
3748 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3749 struct mac80211_qos_map
*new_qos_map
, *old_qos_map
;
3752 new_qos_map
= kzalloc(sizeof(*new_qos_map
), GFP_KERNEL
);
3755 memcpy(&new_qos_map
->qos_map
, qos_map
, sizeof(*qos_map
));
3757 /* A NULL qos_map was passed to disable QoS mapping */
3761 old_qos_map
= sdata_dereference(sdata
->qos_map
, sdata
);
3762 rcu_assign_pointer(sdata
->qos_map
, new_qos_map
);
3764 kfree_rcu(old_qos_map
, rcu_head
);
3769 static int ieee80211_set_ap_chanwidth(struct wiphy
*wiphy
,
3770 struct net_device
*dev
,
3771 struct cfg80211_chan_def
*chandef
)
3773 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3777 ret
= ieee80211_vif_change_bandwidth(sdata
, chandef
, &changed
);
3779 ieee80211_bss_info_change_notify(sdata
, changed
);
3784 const struct cfg80211_ops mac80211_config_ops
= {
3785 .add_virtual_intf
= ieee80211_add_iface
,
3786 .del_virtual_intf
= ieee80211_del_iface
,
3787 .change_virtual_intf
= ieee80211_change_iface
,
3788 .start_p2p_device
= ieee80211_start_p2p_device
,
3789 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3790 .add_key
= ieee80211_add_key
,
3791 .del_key
= ieee80211_del_key
,
3792 .get_key
= ieee80211_get_key
,
3793 .set_default_key
= ieee80211_config_default_key
,
3794 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3795 .start_ap
= ieee80211_start_ap
,
3796 .change_beacon
= ieee80211_change_beacon
,
3797 .stop_ap
= ieee80211_stop_ap
,
3798 .add_station
= ieee80211_add_station
,
3799 .del_station
= ieee80211_del_station
,
3800 .change_station
= ieee80211_change_station
,
3801 .get_station
= ieee80211_get_station
,
3802 .dump_station
= ieee80211_dump_station
,
3803 .dump_survey
= ieee80211_dump_survey
,
3804 #ifdef CONFIG_MAC80211_MESH
3805 .add_mpath
= ieee80211_add_mpath
,
3806 .del_mpath
= ieee80211_del_mpath
,
3807 .change_mpath
= ieee80211_change_mpath
,
3808 .get_mpath
= ieee80211_get_mpath
,
3809 .dump_mpath
= ieee80211_dump_mpath
,
3810 .update_mesh_config
= ieee80211_update_mesh_config
,
3811 .get_mesh_config
= ieee80211_get_mesh_config
,
3812 .join_mesh
= ieee80211_join_mesh
,
3813 .leave_mesh
= ieee80211_leave_mesh
,
3815 .change_bss
= ieee80211_change_bss
,
3816 .set_txq_params
= ieee80211_set_txq_params
,
3817 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3818 .suspend
= ieee80211_suspend
,
3819 .resume
= ieee80211_resume
,
3820 .scan
= ieee80211_scan
,
3821 .sched_scan_start
= ieee80211_sched_scan_start
,
3822 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3823 .auth
= ieee80211_auth
,
3824 .assoc
= ieee80211_assoc
,
3825 .deauth
= ieee80211_deauth
,
3826 .disassoc
= ieee80211_disassoc
,
3827 .join_ibss
= ieee80211_join_ibss
,
3828 .leave_ibss
= ieee80211_leave_ibss
,
3829 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3830 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3831 .set_tx_power
= ieee80211_set_tx_power
,
3832 .get_tx_power
= ieee80211_get_tx_power
,
3833 .set_wds_peer
= ieee80211_set_wds_peer
,
3834 .rfkill_poll
= ieee80211_rfkill_poll
,
3835 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3836 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3837 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3838 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3839 .remain_on_channel
= ieee80211_remain_on_channel
,
3840 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3841 .mgmt_tx
= ieee80211_mgmt_tx
,
3842 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3843 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3844 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3845 .set_antenna
= ieee80211_set_antenna
,
3846 .get_antenna
= ieee80211_get_antenna
,
3847 .set_ringparam
= ieee80211_set_ringparam
,
3848 .get_ringparam
= ieee80211_get_ringparam
,
3849 .set_rekey_data
= ieee80211_set_rekey_data
,
3850 .tdls_oper
= ieee80211_tdls_oper
,
3851 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3852 .probe_client
= ieee80211_probe_client
,
3853 .set_noack_map
= ieee80211_set_noack_map
,
3855 .set_wakeup
= ieee80211_set_wakeup
,
3857 .get_et_sset_count
= ieee80211_get_et_sset_count
,
3858 .get_et_stats
= ieee80211_get_et_stats
,
3859 .get_et_strings
= ieee80211_get_et_strings
,
3860 .get_channel
= ieee80211_cfg_get_channel
,
3861 .start_radar_detection
= ieee80211_start_radar_detection
,
3862 .channel_switch
= ieee80211_channel_switch
,
3863 .set_qos_map
= ieee80211_set_qos_map
,
3864 .set_ap_chanwidth
= ieee80211_set_ap_chanwidth
,