2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005-2006, Devicescape Software, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/netdevice.h>
13 #include <linux/types.h>
14 #include <linux/slab.h>
15 #include <linux/skbuff.h>
16 #include <linux/etherdevice.h>
17 #include <linux/if_arp.h>
18 #include <linux/wireless.h>
19 #include <net/iw_handler.h>
20 #include <asm/uaccess.h>
22 #include <net/mac80211.h>
23 #include "ieee80211_i.h"
30 static int ieee80211_set_encryption(struct ieee80211_sub_if_data
*sdata
, u8
*sta_addr
,
31 int idx
, int alg
, int remove
,
32 int set_tx_key
, const u8
*_key
,
35 struct ieee80211_local
*local
= sdata
->local
;
37 struct ieee80211_key
*key
;
40 if (alg
== ALG_AES_CMAC
) {
41 if (idx
< NUM_DEFAULT_KEYS
||
42 idx
>= NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
) {
43 printk(KERN_DEBUG
"%s: set_encrypt - invalid idx=%d "
44 "(BIP)\n", sdata
->dev
->name
, idx
);
47 } else if (idx
< 0 || idx
>= NUM_DEFAULT_KEYS
) {
48 printk(KERN_DEBUG
"%s: set_encrypt - invalid idx=%d\n",
49 sdata
->dev
->name
, idx
);
58 if (is_broadcast_ether_addr(sta_addr
)) {
59 key
= sdata
->keys
[idx
];
61 sta
= sta_info_get(local
, sta_addr
);
69 ieee80211_key_free(key
);
71 key
= ieee80211_key_alloc(alg
, idx
, key_len
, _key
);
80 if (!is_broadcast_ether_addr(sta_addr
)) {
83 * According to the standard, the key index of a
84 * pairwise key must be zero. However, some AP are
85 * broken when it comes to WEP key indices, so we
88 if (idx
!= 0 && alg
!= ALG_WEP
) {
89 ieee80211_key_free(key
);
94 sta
= sta_info_get(local
, sta_addr
);
96 ieee80211_key_free(key
);
102 if (alg
== ALG_WEP
&&
103 key_len
!= LEN_WEP40
&& key_len
!= LEN_WEP104
) {
104 ieee80211_key_free(key
);
109 ieee80211_key_link(key
, sdata
, sta
);
111 if (set_tx_key
|| (!sta
&& !sdata
->default_key
&& key
))
112 ieee80211_set_default_key(sdata
, idx
);
113 if (alg
== ALG_AES_CMAC
&&
114 (set_tx_key
|| (!sta
&& !sdata
->default_mgmt_key
&& key
)))
115 ieee80211_set_default_mgmt_key(sdata
, idx
);
124 static int ieee80211_ioctl_siwgenie(struct net_device
*dev
,
125 struct iw_request_info
*info
,
126 struct iw_point
*data
, char *extra
)
128 struct ieee80211_sub_if_data
*sdata
;
130 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
132 if (sdata
->flags
& IEEE80211_SDATA_USERSPACE_MLME
)
135 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
136 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
137 int ret
= ieee80211_sta_set_extra_ie(sdata
, extra
, data
->length
);
140 sdata
->u
.sta
.flags
&= ~IEEE80211_STA_AUTO_BSSID_SEL
;
141 ieee80211_sta_req_auth(sdata
, &sdata
->u
.sta
);
148 static int ieee80211_ioctl_giwrange(struct net_device
*dev
,
149 struct iw_request_info
*info
,
150 struct iw_point
*data
, char *extra
)
152 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
153 struct iw_range
*range
= (struct iw_range
*) extra
;
154 enum ieee80211_band band
;
157 data
->length
= sizeof(struct iw_range
);
158 memset(range
, 0, sizeof(struct iw_range
));
160 range
->we_version_compiled
= WIRELESS_EXT
;
161 range
->we_version_source
= 21;
162 range
->retry_capa
= IW_RETRY_LIMIT
;
163 range
->retry_flags
= IW_RETRY_LIMIT
;
164 range
->min_retry
= 0;
165 range
->max_retry
= 255;
167 range
->max_rts
= 2347;
168 range
->min_frag
= 256;
169 range
->max_frag
= 2346;
171 range
->encoding_size
[0] = 5;
172 range
->encoding_size
[1] = 13;
173 range
->num_encoding_sizes
= 2;
174 range
->max_encoding_tokens
= NUM_DEFAULT_KEYS
;
176 /* cfg80211 requires this, and enforces 0..100 */
177 if (local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)
178 range
->max_qual
.level
= 100;
179 else if (local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
)
180 range
->max_qual
.level
= -110;
182 range
->max_qual
.level
= 0;
184 if (local
->hw
.flags
& IEEE80211_HW_NOISE_DBM
)
185 range
->max_qual
.noise
= -110;
187 range
->max_qual
.noise
= 0;
189 range
->max_qual
.qual
= 100;
190 range
->max_qual
.updated
= local
->wstats_flags
;
192 range
->avg_qual
.qual
= 50;
193 /* not always true but better than nothing */
194 range
->avg_qual
.level
= range
->max_qual
.level
/ 2;
195 range
->avg_qual
.noise
= range
->max_qual
.noise
/ 2;
196 range
->avg_qual
.updated
= local
->wstats_flags
;
198 range
->enc_capa
= IW_ENC_CAPA_WPA
| IW_ENC_CAPA_WPA2
|
199 IW_ENC_CAPA_CIPHER_TKIP
| IW_ENC_CAPA_CIPHER_CCMP
;
202 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
204 struct ieee80211_supported_band
*sband
;
206 sband
= local
->hw
.wiphy
->bands
[band
];
211 for (i
= 0; i
< sband
->n_channels
&& c
< IW_MAX_FREQUENCIES
; i
++) {
212 struct ieee80211_channel
*chan
= &sband
->channels
[i
];
214 if (!(chan
->flags
& IEEE80211_CHAN_DISABLED
)) {
216 ieee80211_frequency_to_channel(
218 range
->freq
[c
].m
= chan
->center_freq
;
219 range
->freq
[c
].e
= 6;
224 range
->num_channels
= c
;
225 range
->num_frequency
= c
;
227 IW_EVENT_CAPA_SET_KERNEL(range
->event_capa
);
228 IW_EVENT_CAPA_SET(range
->event_capa
, SIOCGIWAP
);
229 IW_EVENT_CAPA_SET(range
->event_capa
, SIOCGIWSCAN
);
231 range
->scan_capa
|= IW_SCAN_CAPA_ESSID
;
237 static int ieee80211_ioctl_siwfreq(struct net_device
*dev
,
238 struct iw_request_info
*info
,
239 struct iw_freq
*freq
, char *extra
)
241 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
243 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
||
244 sdata
->vif
.type
== NL80211_IFTYPE_STATION
)
245 sdata
->u
.sta
.flags
&= ~IEEE80211_STA_AUTO_CHANNEL_SEL
;
247 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
250 if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
||
251 sdata
->vif
.type
== NL80211_IFTYPE_STATION
)
252 sdata
->u
.sta
.flags
|=
253 IEEE80211_STA_AUTO_CHANNEL_SEL
;
256 return ieee80211_set_freq(sdata
,
257 ieee80211_channel_to_frequency(freq
->m
));
259 int i
, div
= 1000000;
260 for (i
= 0; i
< freq
->e
; i
++)
263 return ieee80211_set_freq(sdata
, freq
->m
/ div
);
270 static int ieee80211_ioctl_giwfreq(struct net_device
*dev
,
271 struct iw_request_info
*info
,
272 struct iw_freq
*freq
, char *extra
)
274 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
276 freq
->m
= local
->hw
.conf
.channel
->center_freq
;
283 static int ieee80211_ioctl_siwessid(struct net_device
*dev
,
284 struct iw_request_info
*info
,
285 struct iw_point
*data
, char *ssid
)
287 struct ieee80211_sub_if_data
*sdata
;
288 size_t len
= data
->length
;
290 /* iwconfig uses nul termination in SSID.. */
291 if (len
> 0 && ssid
[len
- 1] == '\0')
294 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
295 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
296 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
298 if (sdata
->flags
& IEEE80211_SDATA_USERSPACE_MLME
) {
299 if (len
> IEEE80211_MAX_SSID_LEN
)
301 memcpy(sdata
->u
.sta
.ssid
, ssid
, len
);
302 sdata
->u
.sta
.ssid_len
= len
;
306 sdata
->u
.sta
.flags
&= ~IEEE80211_STA_AUTO_SSID_SEL
;
308 sdata
->u
.sta
.flags
|= IEEE80211_STA_AUTO_SSID_SEL
;
309 ret
= ieee80211_sta_set_ssid(sdata
, ssid
, len
);
312 ieee80211_sta_req_auth(sdata
, &sdata
->u
.sta
);
320 static int ieee80211_ioctl_giwessid(struct net_device
*dev
,
321 struct iw_request_info
*info
,
322 struct iw_point
*data
, char *ssid
)
326 struct ieee80211_sub_if_data
*sdata
;
327 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
328 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
329 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
330 int res
= ieee80211_sta_get_ssid(sdata
, ssid
, &len
);
343 static int ieee80211_ioctl_siwap(struct net_device
*dev
,
344 struct iw_request_info
*info
,
345 struct sockaddr
*ap_addr
, char *extra
)
347 struct ieee80211_sub_if_data
*sdata
;
349 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
350 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
351 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
353 if (sdata
->flags
& IEEE80211_SDATA_USERSPACE_MLME
) {
354 memcpy(sdata
->u
.sta
.bssid
, (u8
*) &ap_addr
->sa_data
,
358 if (is_zero_ether_addr((u8
*) &ap_addr
->sa_data
))
359 sdata
->u
.sta
.flags
|= IEEE80211_STA_AUTO_BSSID_SEL
|
360 IEEE80211_STA_AUTO_CHANNEL_SEL
;
361 else if (is_broadcast_ether_addr((u8
*) &ap_addr
->sa_data
))
362 sdata
->u
.sta
.flags
|= IEEE80211_STA_AUTO_BSSID_SEL
;
364 sdata
->u
.sta
.flags
&= ~IEEE80211_STA_AUTO_BSSID_SEL
;
365 ret
= ieee80211_sta_set_bssid(sdata
, (u8
*) &ap_addr
->sa_data
);
368 ieee80211_sta_req_auth(sdata
, &sdata
->u
.sta
);
370 } else if (sdata
->vif
.type
== NL80211_IFTYPE_WDS
) {
372 * If it is necessary to update the WDS peer address
373 * while the interface is running, then we need to do
374 * more work here, namely if it is running we need to
375 * add a new and remove the old STA entry, this is
376 * normally handled by _open() and _stop().
378 if (netif_running(dev
))
381 memcpy(&sdata
->u
.wds
.remote_addr
, (u8
*) &ap_addr
->sa_data
,
391 static int ieee80211_ioctl_giwap(struct net_device
*dev
,
392 struct iw_request_info
*info
,
393 struct sockaddr
*ap_addr
, char *extra
)
395 struct ieee80211_sub_if_data
*sdata
;
397 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
398 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
399 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
400 if (sdata
->u
.sta
.state
== IEEE80211_STA_MLME_ASSOCIATED
||
401 sdata
->u
.sta
.state
== IEEE80211_STA_MLME_IBSS_JOINED
) {
402 ap_addr
->sa_family
= ARPHRD_ETHER
;
403 memcpy(&ap_addr
->sa_data
, sdata
->u
.sta
.bssid
, ETH_ALEN
);
406 memset(&ap_addr
->sa_data
, 0, ETH_ALEN
);
409 } else if (sdata
->vif
.type
== NL80211_IFTYPE_WDS
) {
410 ap_addr
->sa_family
= ARPHRD_ETHER
;
411 memcpy(&ap_addr
->sa_data
, sdata
->u
.wds
.remote_addr
, ETH_ALEN
);
419 static int ieee80211_ioctl_siwrate(struct net_device
*dev
,
420 struct iw_request_info
*info
,
421 struct iw_param
*rate
, char *extra
)
423 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
424 int i
, err
= -EINVAL
;
425 u32 target_rate
= rate
->value
/ 100000;
426 struct ieee80211_sub_if_data
*sdata
;
427 struct ieee80211_supported_band
*sband
;
429 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
431 sband
= local
->hw
.wiphy
->bands
[local
->hw
.conf
.channel
->band
];
433 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
434 * target_rate = X, rate->fixed = 1 means only rate X
435 * target_rate = X, rate->fixed = 0 means all rates <= X */
436 sdata
->max_ratectrl_rateidx
= -1;
437 sdata
->force_unicast_rateidx
= -1;
441 for (i
=0; i
< sband
->n_bitrates
; i
++) {
442 struct ieee80211_rate
*brate
= &sband
->bitrates
[i
];
443 int this_rate
= brate
->bitrate
;
445 if (target_rate
== this_rate
) {
446 sdata
->max_ratectrl_rateidx
= i
;
448 sdata
->force_unicast_rateidx
= i
;
456 static int ieee80211_ioctl_giwrate(struct net_device
*dev
,
457 struct iw_request_info
*info
,
458 struct iw_param
*rate
, char *extra
)
460 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
461 struct sta_info
*sta
;
462 struct ieee80211_sub_if_data
*sdata
;
463 struct ieee80211_supported_band
*sband
;
465 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
467 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
470 sband
= local
->hw
.wiphy
->bands
[local
->hw
.conf
.channel
->band
];
474 sta
= sta_info_get(local
, sdata
->u
.sta
.bssid
);
476 if (sta
&& !(sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
))
477 rate
->value
= sband
->bitrates
[sta
->last_tx_rate
.idx
].bitrate
;
486 rate
->value
*= 100000;
491 static int ieee80211_ioctl_siwtxpower(struct net_device
*dev
,
492 struct iw_request_info
*info
,
493 union iwreq_data
*data
, char *extra
)
495 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
496 struct ieee80211_channel
* chan
= local
->hw
.conf
.channel
;
497 u32 reconf_flags
= 0;
500 if ((data
->txpower
.flags
& IW_TXPOW_TYPE
) != IW_TXPOW_DBM
)
502 if (data
->txpower
.flags
& IW_TXPOW_RANGE
)
507 if (data
->txpower
.fixed
)
508 new_power_level
= min(data
->txpower
.value
, chan
->max_power
);
509 else /* Automatic power level setting */
510 new_power_level
= chan
->max_power
;
512 local
->user_power_level
= new_power_level
;
513 if (local
->hw
.conf
.power_level
!= new_power_level
)
514 reconf_flags
|= IEEE80211_CONF_CHANGE_POWER
;
516 if (local
->hw
.conf
.radio_enabled
!= !(data
->txpower
.disabled
)) {
517 local
->hw
.conf
.radio_enabled
= !(data
->txpower
.disabled
);
518 reconf_flags
|= IEEE80211_CONF_CHANGE_RADIO_ENABLED
;
519 ieee80211_led_radio(local
, local
->hw
.conf
.radio_enabled
);
523 ieee80211_hw_config(local
, reconf_flags
);
528 static int ieee80211_ioctl_giwtxpower(struct net_device
*dev
,
529 struct iw_request_info
*info
,
530 union iwreq_data
*data
, char *extra
)
532 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
534 data
->txpower
.fixed
= 1;
535 data
->txpower
.disabled
= !(local
->hw
.conf
.radio_enabled
);
536 data
->txpower
.value
= local
->hw
.conf
.power_level
;
537 data
->txpower
.flags
= IW_TXPOW_DBM
;
542 static int ieee80211_ioctl_siwrts(struct net_device
*dev
,
543 struct iw_request_info
*info
,
544 struct iw_param
*rts
, char *extra
)
546 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
549 local
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
550 else if (!rts
->fixed
)
551 /* if the rts value is not fixed, then take default */
552 local
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
553 else if (rts
->value
< 0 || rts
->value
> IEEE80211_MAX_RTS_THRESHOLD
)
556 local
->rts_threshold
= rts
->value
;
558 /* If the wlan card performs RTS/CTS in hardware/firmware,
559 * configure it here */
561 if (local
->ops
->set_rts_threshold
)
562 local
->ops
->set_rts_threshold(local_to_hw(local
),
563 local
->rts_threshold
);
568 static int ieee80211_ioctl_giwrts(struct net_device
*dev
,
569 struct iw_request_info
*info
,
570 struct iw_param
*rts
, char *extra
)
572 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
574 rts
->value
= local
->rts_threshold
;
575 rts
->disabled
= (rts
->value
>= IEEE80211_MAX_RTS_THRESHOLD
);
582 static int ieee80211_ioctl_siwfrag(struct net_device
*dev
,
583 struct iw_request_info
*info
,
584 struct iw_param
*frag
, char *extra
)
586 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
589 local
->fragmentation_threshold
= IEEE80211_MAX_FRAG_THRESHOLD
;
590 else if (!frag
->fixed
)
591 local
->fragmentation_threshold
= IEEE80211_MAX_FRAG_THRESHOLD
;
592 else if (frag
->value
< 256 ||
593 frag
->value
> IEEE80211_MAX_FRAG_THRESHOLD
)
596 /* Fragment length must be even, so strip LSB. */
597 local
->fragmentation_threshold
= frag
->value
& ~0x1;
603 static int ieee80211_ioctl_giwfrag(struct net_device
*dev
,
604 struct iw_request_info
*info
,
605 struct iw_param
*frag
, char *extra
)
607 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
609 frag
->value
= local
->fragmentation_threshold
;
610 frag
->disabled
= (frag
->value
>= IEEE80211_MAX_RTS_THRESHOLD
);
617 static int ieee80211_ioctl_siwretry(struct net_device
*dev
,
618 struct iw_request_info
*info
,
619 struct iw_param
*retry
, char *extra
)
621 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
623 if (retry
->disabled
||
624 (retry
->flags
& IW_RETRY_TYPE
) != IW_RETRY_LIMIT
)
627 if (retry
->flags
& IW_RETRY_MAX
) {
628 local
->hw
.conf
.long_frame_max_tx_count
= retry
->value
;
629 } else if (retry
->flags
& IW_RETRY_MIN
) {
630 local
->hw
.conf
.short_frame_max_tx_count
= retry
->value
;
632 local
->hw
.conf
.long_frame_max_tx_count
= retry
->value
;
633 local
->hw
.conf
.short_frame_max_tx_count
= retry
->value
;
636 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
642 static int ieee80211_ioctl_giwretry(struct net_device
*dev
,
643 struct iw_request_info
*info
,
644 struct iw_param
*retry
, char *extra
)
646 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
649 if (retry
->flags
== 0 || retry
->flags
& IW_RETRY_MIN
) {
650 /* first return min value, iwconfig will ask max value
652 retry
->flags
|= IW_RETRY_LIMIT
;
653 retry
->value
= local
->hw
.conf
.short_frame_max_tx_count
;
654 if (local
->hw
.conf
.long_frame_max_tx_count
!=
655 local
->hw
.conf
.short_frame_max_tx_count
)
656 retry
->flags
|= IW_RETRY_MIN
;
659 if (retry
->flags
& IW_RETRY_MAX
) {
660 retry
->flags
= IW_RETRY_LIMIT
| IW_RETRY_MAX
;
661 retry
->value
= local
->hw
.conf
.long_frame_max_tx_count
;
667 static int ieee80211_ioctl_siwmlme(struct net_device
*dev
,
668 struct iw_request_info
*info
,
669 struct iw_point
*data
, char *extra
)
671 struct ieee80211_sub_if_data
*sdata
;
672 struct iw_mlme
*mlme
= (struct iw_mlme
*) extra
;
674 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
675 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
&&
676 sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
)
681 /* TODO: mlme->addr.sa_data */
682 return ieee80211_sta_deauthenticate(sdata
, mlme
->reason_code
);
683 case IW_MLME_DISASSOC
:
684 /* TODO: mlme->addr.sa_data */
685 return ieee80211_sta_disassociate(sdata
, mlme
->reason_code
);
692 static int ieee80211_ioctl_siwencode(struct net_device
*dev
,
693 struct iw_request_info
*info
,
694 struct iw_point
*erq
, char *keybuf
)
696 struct ieee80211_sub_if_data
*sdata
;
697 int idx
, i
, alg
= ALG_WEP
;
698 u8 bcaddr
[ETH_ALEN
] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
701 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
703 idx
= erq
->flags
& IW_ENCODE_INDEX
;
705 if (sdata
->default_key
)
706 for (i
= 0; i
< NUM_DEFAULT_KEYS
; i
++) {
707 if (sdata
->default_key
== sdata
->keys
[i
]) {
712 } else if (idx
< 1 || idx
> 4)
717 if (erq
->flags
& IW_ENCODE_DISABLED
)
719 else if (erq
->length
== 0) {
720 /* No key data - just set the default TX key index */
721 ieee80211_set_default_key(sdata
, idx
);
725 return ieee80211_set_encryption(
729 keybuf
, erq
->length
);
733 static int ieee80211_ioctl_giwencode(struct net_device
*dev
,
734 struct iw_request_info
*info
,
735 struct iw_point
*erq
, char *key
)
737 struct ieee80211_sub_if_data
*sdata
;
740 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
742 idx
= erq
->flags
& IW_ENCODE_INDEX
;
743 if (idx
< 1 || idx
> 4) {
745 if (!sdata
->default_key
)
747 else for (i
= 0; i
< NUM_DEFAULT_KEYS
; i
++) {
748 if (sdata
->default_key
== sdata
->keys
[i
]) {
758 erq
->flags
= idx
+ 1;
760 if (!sdata
->keys
[idx
]) {
762 erq
->flags
|= IW_ENCODE_DISABLED
;
766 memcpy(key
, sdata
->keys
[idx
]->conf
.key
,
767 min_t(int, erq
->length
, sdata
->keys
[idx
]->conf
.keylen
));
768 erq
->length
= sdata
->keys
[idx
]->conf
.keylen
;
769 erq
->flags
|= IW_ENCODE_ENABLED
;
771 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
772 struct ieee80211_if_sta
*ifsta
= &sdata
->u
.sta
;
773 switch (ifsta
->auth_alg
) {
776 erq
->flags
|= IW_ENCODE_OPEN
;
778 case WLAN_AUTH_SHARED_KEY
:
779 erq
->flags
|= IW_ENCODE_RESTRICTED
;
787 static int ieee80211_ioctl_siwpower(struct net_device
*dev
,
788 struct iw_request_info
*info
,
789 struct iw_param
*wrq
,
792 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
793 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
794 struct ieee80211_conf
*conf
= &local
->hw
.conf
;
795 int ret
= 0, timeout
= 0;
798 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
801 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
810 switch (wrq
->flags
& IW_POWER_MODE
) {
811 case IW_POWER_ON
: /* If not specified */
812 case IW_POWER_MODE
: /* If set all mask */
813 case IW_POWER_ALL_R
: /* If explicitely state all */
816 default: /* Otherwise we ignore */
820 if (wrq
->flags
& ~(IW_POWER_MODE
| IW_POWER_TIMEOUT
))
823 if (wrq
->flags
& IW_POWER_TIMEOUT
)
824 timeout
= wrq
->value
/ 1000;
827 if (ps
== local
->powersave
&& timeout
== conf
->dynamic_ps_timeout
)
830 local
->powersave
= ps
;
831 conf
->dynamic_ps_timeout
= timeout
;
833 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
834 ret
= ieee80211_hw_config(local
,
835 IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT
);
837 if (!(sdata
->u
.sta
.flags
& IEEE80211_STA_ASSOCIATED
))
840 if (conf
->dynamic_ps_timeout
> 0 &&
841 !(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)) {
842 mod_timer(&local
->dynamic_ps_timer
, jiffies
+
843 msecs_to_jiffies(conf
->dynamic_ps_timeout
));
845 if (local
->powersave
) {
846 if (local
->hw
.flags
& IEEE80211_HW_PS_NULLFUNC_STACK
)
847 ieee80211_send_nullfunc(local
, sdata
, 1);
848 conf
->flags
|= IEEE80211_CONF_PS
;
849 ret
= ieee80211_hw_config(local
,
850 IEEE80211_CONF_CHANGE_PS
);
852 conf
->flags
&= ~IEEE80211_CONF_PS
;
853 ret
= ieee80211_hw_config(local
,
854 IEEE80211_CONF_CHANGE_PS
);
855 if (local
->hw
.flags
& IEEE80211_HW_PS_NULLFUNC_STACK
)
856 ieee80211_send_nullfunc(local
, sdata
, 0);
857 del_timer_sync(&local
->dynamic_ps_timer
);
858 cancel_work_sync(&local
->dynamic_ps_enable_work
);
865 static int ieee80211_ioctl_giwpower(struct net_device
*dev
,
866 struct iw_request_info
*info
,
867 union iwreq_data
*wrqu
,
870 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
872 wrqu
->power
.disabled
= !local
->powersave
;
877 static int ieee80211_ioctl_siwauth(struct net_device
*dev
,
878 struct iw_request_info
*info
,
879 struct iw_param
*data
, char *extra
)
881 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
884 switch (data
->flags
& IW_AUTH_INDEX
) {
885 case IW_AUTH_WPA_VERSION
:
886 case IW_AUTH_CIPHER_GROUP
:
887 case IW_AUTH_WPA_ENABLED
:
888 case IW_AUTH_RX_UNENCRYPTED_EAPOL
:
889 case IW_AUTH_KEY_MGMT
:
890 case IW_AUTH_CIPHER_GROUP_MGMT
:
892 case IW_AUTH_CIPHER_PAIRWISE
:
893 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
) {
894 if (data
->value
& (IW_AUTH_CIPHER_WEP40
|
895 IW_AUTH_CIPHER_WEP104
| IW_AUTH_CIPHER_TKIP
))
896 sdata
->u
.sta
.flags
|=
897 IEEE80211_STA_TKIP_WEP_USED
;
899 sdata
->u
.sta
.flags
&=
900 ~IEEE80211_STA_TKIP_WEP_USED
;
903 case IW_AUTH_DROP_UNENCRYPTED
:
904 sdata
->drop_unencrypted
= !!data
->value
;
906 case IW_AUTH_PRIVACY_INVOKED
:
907 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
910 sdata
->u
.sta
.flags
&= ~IEEE80211_STA_PRIVACY_INVOKED
;
912 * Privacy invoked by wpa_supplicant, store the
913 * value and allow associating to a protected
914 * network without having a key up front.
917 sdata
->u
.sta
.flags
|=
918 IEEE80211_STA_PRIVACY_INVOKED
;
921 case IW_AUTH_80211_AUTH_ALG
:
922 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
923 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
)
924 sdata
->u
.sta
.auth_algs
= data
->value
;
929 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_MFP_CAPABLE
)) {
933 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
934 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) {
935 switch (data
->value
) {
936 case IW_AUTH_MFP_DISABLED
:
937 sdata
->u
.sta
.mfp
= IEEE80211_MFP_DISABLED
;
939 case IW_AUTH_MFP_OPTIONAL
:
940 sdata
->u
.sta
.mfp
= IEEE80211_MFP_OPTIONAL
;
942 case IW_AUTH_MFP_REQUIRED
:
943 sdata
->u
.sta
.mfp
= IEEE80211_MFP_REQUIRED
;
958 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
959 static struct iw_statistics
*ieee80211_get_wireless_stats(struct net_device
*dev
)
961 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
962 struct iw_statistics
*wstats
= &local
->wstats
;
963 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
964 struct sta_info
*sta
= NULL
;
968 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
969 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
)
970 sta
= sta_info_get(local
, sdata
->u
.sta
.bssid
);
972 wstats
->discard
.fragment
= 0;
973 wstats
->discard
.misc
= 0;
974 wstats
->qual
.qual
= 0;
975 wstats
->qual
.level
= 0;
976 wstats
->qual
.noise
= 0;
977 wstats
->qual
.updated
= IW_QUAL_ALL_INVALID
;
979 wstats
->qual
.level
= sta
->last_signal
;
980 wstats
->qual
.qual
= sta
->last_qual
;
981 wstats
->qual
.noise
= sta
->last_noise
;
982 wstats
->qual
.updated
= local
->wstats_flags
;
990 static int ieee80211_ioctl_giwauth(struct net_device
*dev
,
991 struct iw_request_info
*info
,
992 struct iw_param
*data
, char *extra
)
994 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
997 switch (data
->flags
& IW_AUTH_INDEX
) {
998 case IW_AUTH_80211_AUTH_ALG
:
999 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
||
1000 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
)
1001 data
->value
= sdata
->u
.sta
.auth_algs
;
1013 static int ieee80211_ioctl_siwencodeext(struct net_device
*dev
,
1014 struct iw_request_info
*info
,
1015 struct iw_point
*erq
, char *extra
)
1017 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1018 struct iw_encode_ext
*ext
= (struct iw_encode_ext
*) extra
;
1019 int uninitialized_var(alg
), idx
, i
, remove
= 0;
1022 case IW_ENCODE_ALG_NONE
:
1025 case IW_ENCODE_ALG_WEP
:
1028 case IW_ENCODE_ALG_TKIP
:
1031 case IW_ENCODE_ALG_CCMP
:
1034 case IW_ENCODE_ALG_AES_CMAC
:
1041 if (erq
->flags
& IW_ENCODE_DISABLED
)
1044 idx
= erq
->flags
& IW_ENCODE_INDEX
;
1045 if (alg
== ALG_AES_CMAC
) {
1046 if (idx
< NUM_DEFAULT_KEYS
+ 1 ||
1047 idx
> NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
) {
1049 if (!sdata
->default_mgmt_key
)
1051 else for (i
= NUM_DEFAULT_KEYS
;
1052 i
< NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
;
1054 if (sdata
->default_mgmt_key
== sdata
->keys
[i
])
1065 if (idx
< 1 || idx
> 4) {
1067 if (!sdata
->default_key
)
1069 else for (i
= 0; i
< NUM_DEFAULT_KEYS
; i
++) {
1070 if (sdata
->default_key
== sdata
->keys
[i
]) {
1081 return ieee80211_set_encryption(sdata
, ext
->addr
.sa_data
, idx
, alg
,
1084 IW_ENCODE_EXT_SET_TX_KEY
,
1085 ext
->key
, ext
->key_len
);
1089 /* Structures to export the Wireless Handlers */
1091 static const iw_handler ieee80211_handler
[] =
1093 (iw_handler
) NULL
, /* SIOCSIWCOMMIT */
1094 (iw_handler
) cfg80211_wext_giwname
, /* SIOCGIWNAME */
1095 (iw_handler
) NULL
, /* SIOCSIWNWID */
1096 (iw_handler
) NULL
, /* SIOCGIWNWID */
1097 (iw_handler
) ieee80211_ioctl_siwfreq
, /* SIOCSIWFREQ */
1098 (iw_handler
) ieee80211_ioctl_giwfreq
, /* SIOCGIWFREQ */
1099 (iw_handler
) cfg80211_wext_siwmode
, /* SIOCSIWMODE */
1100 (iw_handler
) cfg80211_wext_giwmode
, /* SIOCGIWMODE */
1101 (iw_handler
) NULL
, /* SIOCSIWSENS */
1102 (iw_handler
) NULL
, /* SIOCGIWSENS */
1103 (iw_handler
) NULL
/* not used */, /* SIOCSIWRANGE */
1104 (iw_handler
) ieee80211_ioctl_giwrange
, /* SIOCGIWRANGE */
1105 (iw_handler
) NULL
/* not used */, /* SIOCSIWPRIV */
1106 (iw_handler
) NULL
/* kernel code */, /* SIOCGIWPRIV */
1107 (iw_handler
) NULL
/* not used */, /* SIOCSIWSTATS */
1108 (iw_handler
) NULL
/* kernel code */, /* SIOCGIWSTATS */
1109 (iw_handler
) NULL
, /* SIOCSIWSPY */
1110 (iw_handler
) NULL
, /* SIOCGIWSPY */
1111 (iw_handler
) NULL
, /* SIOCSIWTHRSPY */
1112 (iw_handler
) NULL
, /* SIOCGIWTHRSPY */
1113 (iw_handler
) ieee80211_ioctl_siwap
, /* SIOCSIWAP */
1114 (iw_handler
) ieee80211_ioctl_giwap
, /* SIOCGIWAP */
1115 (iw_handler
) ieee80211_ioctl_siwmlme
, /* SIOCSIWMLME */
1116 (iw_handler
) NULL
, /* SIOCGIWAPLIST */
1117 (iw_handler
) cfg80211_wext_siwscan
, /* SIOCSIWSCAN */
1118 (iw_handler
) cfg80211_wext_giwscan
, /* SIOCGIWSCAN */
1119 (iw_handler
) ieee80211_ioctl_siwessid
, /* SIOCSIWESSID */
1120 (iw_handler
) ieee80211_ioctl_giwessid
, /* SIOCGIWESSID */
1121 (iw_handler
) NULL
, /* SIOCSIWNICKN */
1122 (iw_handler
) NULL
, /* SIOCGIWNICKN */
1123 (iw_handler
) NULL
, /* -- hole -- */
1124 (iw_handler
) NULL
, /* -- hole -- */
1125 (iw_handler
) ieee80211_ioctl_siwrate
, /* SIOCSIWRATE */
1126 (iw_handler
) ieee80211_ioctl_giwrate
, /* SIOCGIWRATE */
1127 (iw_handler
) ieee80211_ioctl_siwrts
, /* SIOCSIWRTS */
1128 (iw_handler
) ieee80211_ioctl_giwrts
, /* SIOCGIWRTS */
1129 (iw_handler
) ieee80211_ioctl_siwfrag
, /* SIOCSIWFRAG */
1130 (iw_handler
) ieee80211_ioctl_giwfrag
, /* SIOCGIWFRAG */
1131 (iw_handler
) ieee80211_ioctl_siwtxpower
, /* SIOCSIWTXPOW */
1132 (iw_handler
) ieee80211_ioctl_giwtxpower
, /* SIOCGIWTXPOW */
1133 (iw_handler
) ieee80211_ioctl_siwretry
, /* SIOCSIWRETRY */
1134 (iw_handler
) ieee80211_ioctl_giwretry
, /* SIOCGIWRETRY */
1135 (iw_handler
) ieee80211_ioctl_siwencode
, /* SIOCSIWENCODE */
1136 (iw_handler
) ieee80211_ioctl_giwencode
, /* SIOCGIWENCODE */
1137 (iw_handler
) ieee80211_ioctl_siwpower
, /* SIOCSIWPOWER */
1138 (iw_handler
) ieee80211_ioctl_giwpower
, /* SIOCGIWPOWER */
1139 (iw_handler
) NULL
, /* -- hole -- */
1140 (iw_handler
) NULL
, /* -- hole -- */
1141 (iw_handler
) ieee80211_ioctl_siwgenie
, /* SIOCSIWGENIE */
1142 (iw_handler
) NULL
, /* SIOCGIWGENIE */
1143 (iw_handler
) ieee80211_ioctl_siwauth
, /* SIOCSIWAUTH */
1144 (iw_handler
) ieee80211_ioctl_giwauth
, /* SIOCGIWAUTH */
1145 (iw_handler
) ieee80211_ioctl_siwencodeext
, /* SIOCSIWENCODEEXT */
1146 (iw_handler
) NULL
, /* SIOCGIWENCODEEXT */
1147 (iw_handler
) NULL
, /* SIOCSIWPMKSA */
1148 (iw_handler
) NULL
, /* -- hole -- */
1151 const struct iw_handler_def ieee80211_iw_handler_def
=
1153 .num_standard
= ARRAY_SIZE(ieee80211_handler
),
1154 .standard
= (iw_handler
*) ieee80211_handler
,
1155 .get_wireless_stats
= ieee80211_get_wireless_stats
,