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"
24 #include "ieee80211_led.h"
25 #include "ieee80211_rate.h"
30 static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
31 int idx, int alg, int remove,
32 int set_tx_key, const u8 *_key,
35 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
37 struct sta_info *sta = NULL;
38 struct ieee80211_key *key;
39 struct ieee80211_sub_if_data *sdata;
41 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
43 if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
44 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
50 if (is_broadcast_ether_addr(sta_addr)) {
51 key = sdata->keys[idx];
53 sta = sta_info_get(local, sta_addr);
68 key = ieee80211_key_alloc(alg, idx, key_len, _key);
72 if (!is_broadcast_ether_addr(sta_addr)) {
75 * According to the standard, the key index of a
76 * pairwise key must be zero. However, some AP are
77 * broken when it comes to WEP key indices, so we
80 if (idx != 0 && alg != ALG_WEP) {
85 sta = sta_info_get(local, sta_addr);
92 ieee80211_key_link(key, sdata, sta);
94 if (set_tx_key || (!sta && !sdata->default_key && key))
95 ieee80211_set_default_key(sdata, idx);
97 /* don't free key later */
106 ieee80211_key_free(key);
110 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
111 struct iw_request_info *info,
112 struct iw_point *data, char *extra)
114 struct ieee80211_sub_if_data *sdata;
116 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
118 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
121 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
122 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
123 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
126 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
127 ieee80211_sta_req_auth(dev, &sdata->u.sta);
134 static int ieee80211_ioctl_giwname(struct net_device *dev,
135 struct iw_request_info *info,
136 char *name, char *extra)
138 strcpy(name, "IEEE 802.11");
144 static int ieee80211_ioctl_giwrange(struct net_device *dev,
145 struct iw_request_info *info,
146 struct iw_point *data, char *extra)
148 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
149 struct iw_range *range = (struct iw_range *) extra;
150 enum ieee80211_band band;
153 data->length = sizeof(struct iw_range);
154 memset(range, 0, sizeof(struct iw_range));
156 range->we_version_compiled = WIRELESS_EXT;
157 range->we_version_source = 21;
158 range->retry_capa = IW_RETRY_LIMIT;
159 range->retry_flags = IW_RETRY_LIMIT;
160 range->min_retry = 0;
161 range->max_retry = 255;
163 range->max_rts = 2347;
164 range->min_frag = 256;
165 range->max_frag = 2346;
167 range->encoding_size[0] = 5;
168 range->encoding_size[1] = 13;
169 range->num_encoding_sizes = 2;
170 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
172 range->max_qual.qual = local->hw.max_signal;
173 range->max_qual.level = local->hw.max_rssi;
174 range->max_qual.noise = local->hw.max_noise;
175 range->max_qual.updated = local->wstats_flags;
177 range->avg_qual.qual = local->hw.max_signal/2;
178 range->avg_qual.level = 0;
179 range->avg_qual.noise = 0;
180 range->avg_qual.updated = local->wstats_flags;
182 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
183 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
186 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
188 struct ieee80211_supported_band *sband;
190 sband = local->hw.wiphy->bands[band];
195 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
196 struct ieee80211_channel *chan = &sband->channels[i];
198 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
200 ieee80211_frequency_to_channel(
202 range->freq[c].m = chan->center_freq;
203 range->freq[c].e = 6;
208 range->num_channels = c;
209 range->num_frequency = c;
211 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
212 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
213 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
214 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
216 range->scan_capa |= IW_SCAN_CAPA_ESSID;
222 static int ieee80211_ioctl_siwmode(struct net_device *dev,
223 struct iw_request_info *info,
224 __u32 *mode, char *extra)
226 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
229 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
234 type = IEEE80211_IF_TYPE_STA;
237 type = IEEE80211_IF_TYPE_IBSS;
239 case IW_MODE_MONITOR:
240 type = IEEE80211_IF_TYPE_MNTR;
246 if (type == sdata->vif.type)
248 if (netif_running(dev))
251 ieee80211_if_reinit(dev);
252 ieee80211_if_set_type(dev, type);
258 static int ieee80211_ioctl_giwmode(struct net_device *dev,
259 struct iw_request_info *info,
260 __u32 *mode, char *extra)
262 struct ieee80211_sub_if_data *sdata;
264 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
265 switch (sdata->vif.type) {
266 case IEEE80211_IF_TYPE_AP:
267 *mode = IW_MODE_MASTER;
269 case IEEE80211_IF_TYPE_STA:
270 *mode = IW_MODE_INFRA;
272 case IEEE80211_IF_TYPE_IBSS:
273 *mode = IW_MODE_ADHOC;
275 case IEEE80211_IF_TYPE_MNTR:
276 *mode = IW_MODE_MONITOR;
278 case IEEE80211_IF_TYPE_WDS:
279 *mode = IW_MODE_REPEAT;
281 case IEEE80211_IF_TYPE_VLAN:
282 *mode = IW_MODE_SECOND; /* FIXME */
285 *mode = IW_MODE_AUTO;
291 int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
295 enum ieee80211_band band;
296 struct ieee80211_supported_band *sband;
299 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
300 sband = local->hw.wiphy->bands[band];
305 for (i = 0; i < sband->n_channels; i++) {
306 struct ieee80211_channel *chan = &sband->channels[i];
308 if (chan->flags & IEEE80211_CHAN_DISABLED)
311 if (chan->center_freq == freqMHz) {
313 local->oper_channel = chan;
322 if (local->sta_sw_scanning)
325 ret = ieee80211_hw_config(local);
327 rate_control_clear(local);
333 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
334 struct iw_request_info *info,
335 struct iw_freq *freq, char *extra)
337 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
338 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
340 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
341 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
343 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
346 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
347 sdata->u.sta.flags |=
348 IEEE80211_STA_AUTO_CHANNEL_SEL;
351 return ieee80211_set_freq(local,
352 ieee80211_channel_to_frequency(freq->m));
354 int i, div = 1000000;
355 for (i = 0; i < freq->e; i++)
358 return ieee80211_set_freq(local, freq->m / div);
365 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
366 struct iw_request_info *info,
367 struct iw_freq *freq, char *extra)
369 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
371 freq->m = local->hw.conf.channel->center_freq;
378 static int ieee80211_ioctl_siwessid(struct net_device *dev,
379 struct iw_request_info *info,
380 struct iw_point *data, char *ssid)
382 struct ieee80211_sub_if_data *sdata;
383 size_t len = data->length;
385 /* iwconfig uses nul termination in SSID.. */
386 if (len > 0 && ssid[len - 1] == '\0')
389 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
390 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
391 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
393 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
394 if (len > IEEE80211_MAX_SSID_LEN)
396 memcpy(sdata->u.sta.ssid, ssid, len);
397 sdata->u.sta.ssid_len = len;
401 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
403 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
404 ret = ieee80211_sta_set_ssid(dev, ssid, len);
407 ieee80211_sta_req_auth(dev, &sdata->u.sta);
411 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
412 memcpy(sdata->u.ap.ssid, ssid, len);
413 memset(sdata->u.ap.ssid + len, 0,
414 IEEE80211_MAX_SSID_LEN - len);
415 sdata->u.ap.ssid_len = len;
416 return ieee80211_if_config(dev);
422 static int ieee80211_ioctl_giwessid(struct net_device *dev,
423 struct iw_request_info *info,
424 struct iw_point *data, char *ssid)
428 struct ieee80211_sub_if_data *sdata;
429 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
430 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
431 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
432 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
441 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
442 len = sdata->u.ap.ssid_len;
443 if (len > IW_ESSID_MAX_SIZE)
444 len = IW_ESSID_MAX_SIZE;
445 memcpy(ssid, sdata->u.ap.ssid, len);
454 static int ieee80211_ioctl_siwap(struct net_device *dev,
455 struct iw_request_info *info,
456 struct sockaddr *ap_addr, char *extra)
458 struct ieee80211_sub_if_data *sdata;
460 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
461 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
462 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
464 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
465 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
469 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
470 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
471 IEEE80211_STA_AUTO_CHANNEL_SEL;
472 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
473 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
475 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
476 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
479 ieee80211_sta_req_auth(dev, &sdata->u.sta);
481 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
482 if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
485 return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
492 static int ieee80211_ioctl_giwap(struct net_device *dev,
493 struct iw_request_info *info,
494 struct sockaddr *ap_addr, char *extra)
496 struct ieee80211_sub_if_data *sdata;
498 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
499 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
500 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
501 ap_addr->sa_family = ARPHRD_ETHER;
502 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
504 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
505 ap_addr->sa_family = ARPHRD_ETHER;
506 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
514 static int ieee80211_ioctl_siwscan(struct net_device *dev,
515 struct iw_request_info *info,
516 union iwreq_data *wrqu, char *extra)
518 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
519 struct iw_scan_req *req = NULL;
523 if (!netif_running(dev))
526 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
527 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
528 sdata->vif.type != IEEE80211_IF_TYPE_AP)
531 /* if SSID was specified explicitly then use that */
532 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
533 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
534 req = (struct iw_scan_req *)extra;
536 ssid_len = req->essid_len;
539 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
543 static int ieee80211_ioctl_giwscan(struct net_device *dev,
544 struct iw_request_info *info,
545 struct iw_point *data, char *extra)
548 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
550 if (local->sta_sw_scanning || local->sta_hw_scanning)
553 res = ieee80211_sta_scan_results(dev, extra, data->length);
563 static int ieee80211_ioctl_siwrate(struct net_device *dev,
564 struct iw_request_info *info,
565 struct iw_param *rate, char *extra)
567 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
568 int i, err = -EINVAL;
569 u32 target_rate = rate->value / 100000;
570 struct ieee80211_sub_if_data *sdata;
571 struct ieee80211_supported_band *sband;
573 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
577 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
579 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
580 * target_rate = X, rate->fixed = 1 means only rate X
581 * target_rate = X, rate->fixed = 0 means all rates <= X */
582 sdata->bss->max_ratectrl_rateidx = -1;
583 sdata->bss->force_unicast_rateidx = -1;
587 for (i=0; i< sband->n_bitrates; i++) {
588 struct ieee80211_rate *brate = &sband->bitrates[i];
589 int this_rate = brate->bitrate;
591 if (target_rate == this_rate) {
592 sdata->bss->max_ratectrl_rateidx = i;
594 sdata->bss->force_unicast_rateidx = i;
602 static int ieee80211_ioctl_giwrate(struct net_device *dev,
603 struct iw_request_info *info,
604 struct iw_param *rate, char *extra)
606 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
607 struct sta_info *sta;
608 struct ieee80211_sub_if_data *sdata;
609 struct ieee80211_supported_band *sband;
611 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
613 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
614 sta = sta_info_get(local, sdata->u.sta.bssid);
620 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
622 if (sta->txrate_idx < sband->n_bitrates)
623 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
626 rate->value *= 100000;
631 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
632 struct iw_request_info *info,
633 union iwreq_data *data, char *extra)
635 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
636 bool need_reconfig = 0;
639 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
641 if (data->txpower.flags & IW_TXPOW_RANGE)
644 if (data->txpower.fixed) {
645 new_power_level = data->txpower.value;
648 * Automatic power level. Use maximum power for the current
649 * channel. Should be part of rate control.
651 struct ieee80211_channel* chan = local->hw.conf.channel;
655 new_power_level = chan->max_power;
658 if (local->hw.conf.power_level != new_power_level) {
659 local->hw.conf.power_level = new_power_level;
663 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
664 local->hw.conf.radio_enabled = !(data->txpower.disabled);
666 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
670 ieee80211_hw_config(local);
671 /* The return value of hw_config is not of big interest here,
672 * as it doesn't say that it failed because of _this_ config
673 * change or something else. Ignore it. */
679 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
680 struct iw_request_info *info,
681 union iwreq_data *data, char *extra)
683 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
685 data->txpower.fixed = 1;
686 data->txpower.disabled = !(local->hw.conf.radio_enabled);
687 data->txpower.value = local->hw.conf.power_level;
688 data->txpower.flags = IW_TXPOW_DBM;
693 static int ieee80211_ioctl_siwrts(struct net_device *dev,
694 struct iw_request_info *info,
695 struct iw_param *rts, char *extra)
697 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
700 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
701 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
704 local->rts_threshold = rts->value;
706 /* If the wlan card performs RTS/CTS in hardware/firmware,
707 * configure it here */
709 if (local->ops->set_rts_threshold)
710 local->ops->set_rts_threshold(local_to_hw(local),
711 local->rts_threshold);
716 static int ieee80211_ioctl_giwrts(struct net_device *dev,
717 struct iw_request_info *info,
718 struct iw_param *rts, char *extra)
720 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
722 rts->value = local->rts_threshold;
723 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
730 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
731 struct iw_request_info *info,
732 struct iw_param *frag, char *extra)
734 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
737 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
738 else if (frag->value < 256 ||
739 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
742 /* Fragment length must be even, so strip LSB. */
743 local->fragmentation_threshold = frag->value & ~0x1;
746 /* If the wlan card performs fragmentation in hardware/firmware,
747 * configure it here */
749 if (local->ops->set_frag_threshold)
750 local->ops->set_frag_threshold(
752 local->fragmentation_threshold);
757 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
758 struct iw_request_info *info,
759 struct iw_param *frag, char *extra)
761 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
763 frag->value = local->fragmentation_threshold;
764 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
771 static int ieee80211_ioctl_siwretry(struct net_device *dev,
772 struct iw_request_info *info,
773 struct iw_param *retry, char *extra)
775 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
777 if (retry->disabled ||
778 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
781 if (retry->flags & IW_RETRY_MAX)
782 local->long_retry_limit = retry->value;
783 else if (retry->flags & IW_RETRY_MIN)
784 local->short_retry_limit = retry->value;
786 local->long_retry_limit = retry->value;
787 local->short_retry_limit = retry->value;
790 if (local->ops->set_retry_limit) {
791 return local->ops->set_retry_limit(
793 local->short_retry_limit,
794 local->long_retry_limit);
801 static int ieee80211_ioctl_giwretry(struct net_device *dev,
802 struct iw_request_info *info,
803 struct iw_param *retry, char *extra)
805 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
808 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
809 /* first return min value, iwconfig will ask max value
811 retry->flags |= IW_RETRY_LIMIT;
812 retry->value = local->short_retry_limit;
813 if (local->long_retry_limit != local->short_retry_limit)
814 retry->flags |= IW_RETRY_MIN;
817 if (retry->flags & IW_RETRY_MAX) {
818 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
819 retry->value = local->long_retry_limit;
825 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
826 struct iw_request_info *info,
827 struct iw_point *data, char *extra)
829 struct ieee80211_sub_if_data *sdata;
830 struct iw_mlme *mlme = (struct iw_mlme *) extra;
832 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
833 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
834 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
839 /* TODO: mlme->addr.sa_data */
840 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
841 case IW_MLME_DISASSOC:
842 /* TODO: mlme->addr.sa_data */
843 return ieee80211_sta_disassociate(dev, mlme->reason_code);
850 static int ieee80211_ioctl_siwencode(struct net_device *dev,
851 struct iw_request_info *info,
852 struct iw_point *erq, char *keybuf)
854 struct ieee80211_sub_if_data *sdata;
855 int idx, i, alg = ALG_WEP;
856 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
859 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
861 idx = erq->flags & IW_ENCODE_INDEX;
863 if (sdata->default_key)
864 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
865 if (sdata->default_key == sdata->keys[i]) {
870 } else if (idx < 1 || idx > 4)
875 if (erq->flags & IW_ENCODE_DISABLED)
877 else if (erq->length == 0) {
878 /* No key data - just set the default TX key index */
879 ieee80211_set_default_key(sdata, idx);
883 return ieee80211_set_encryption(
887 keybuf, erq->length);
891 static int ieee80211_ioctl_giwencode(struct net_device *dev,
892 struct iw_request_info *info,
893 struct iw_point *erq, char *key)
895 struct ieee80211_sub_if_data *sdata;
898 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
900 idx = erq->flags & IW_ENCODE_INDEX;
901 if (idx < 1 || idx > 4) {
903 if (!sdata->default_key)
905 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
906 if (sdata->default_key == sdata->keys[i]) {
916 erq->flags = idx + 1;
918 if (!sdata->keys[idx]) {
920 erq->flags |= IW_ENCODE_DISABLED;
924 memcpy(key, sdata->keys[idx]->conf.key,
925 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
926 erq->length = sdata->keys[idx]->conf.keylen;
927 erq->flags |= IW_ENCODE_ENABLED;
932 static int ieee80211_ioctl_siwauth(struct net_device *dev,
933 struct iw_request_info *info,
934 struct iw_param *data, char *extra)
936 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
939 switch (data->flags & IW_AUTH_INDEX) {
940 case IW_AUTH_WPA_VERSION:
941 case IW_AUTH_CIPHER_PAIRWISE:
942 case IW_AUTH_CIPHER_GROUP:
943 case IW_AUTH_WPA_ENABLED:
944 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
945 case IW_AUTH_KEY_MGMT:
947 case IW_AUTH_DROP_UNENCRYPTED:
948 sdata->drop_unencrypted = !!data->value;
950 case IW_AUTH_PRIVACY_INVOKED:
951 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
954 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
956 * Privacy invoked by wpa_supplicant, store the
957 * value and allow associating to a protected
958 * network without having a key up front.
961 sdata->u.sta.flags |=
962 IEEE80211_STA_PRIVACY_INVOKED;
965 case IW_AUTH_80211_AUTH_ALG:
966 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
967 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
968 sdata->u.sta.auth_algs = data->value;
979 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
980 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
982 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
983 struct iw_statistics *wstats = &local->wstats;
984 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
985 struct sta_info *sta = NULL;
987 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
988 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
989 sta = sta_info_get(local, sdata->u.sta.bssid);
991 wstats->discard.fragment = 0;
992 wstats->discard.misc = 0;
993 wstats->qual.qual = 0;
994 wstats->qual.level = 0;
995 wstats->qual.noise = 0;
996 wstats->qual.updated = IW_QUAL_ALL_INVALID;
998 wstats->qual.level = sta->last_rssi;
999 wstats->qual.qual = sta->last_signal;
1000 wstats->qual.noise = sta->last_noise;
1001 wstats->qual.updated = local->wstats_flags;
1007 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1008 struct iw_request_info *info,
1009 struct iw_param *data, char *extra)
1011 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1014 switch (data->flags & IW_AUTH_INDEX) {
1015 case IW_AUTH_80211_AUTH_ALG:
1016 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1017 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1018 data->value = sdata->u.sta.auth_algs;
1030 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1031 struct iw_request_info *info,
1032 struct iw_point *erq, char *extra)
1034 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1035 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1036 int uninitialized_var(alg), idx, i, remove = 0;
1039 case IW_ENCODE_ALG_NONE:
1042 case IW_ENCODE_ALG_WEP:
1045 case IW_ENCODE_ALG_TKIP:
1048 case IW_ENCODE_ALG_CCMP:
1055 if (erq->flags & IW_ENCODE_DISABLED)
1058 idx = erq->flags & IW_ENCODE_INDEX;
1059 if (idx < 1 || idx > 4) {
1061 if (!sdata->default_key)
1063 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1064 if (sdata->default_key == sdata->keys[i]) {
1074 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1077 IW_ENCODE_EXT_SET_TX_KEY,
1078 ext->key, ext->key_len);
1082 /* Structures to export the Wireless Handlers */
1084 static const iw_handler ieee80211_handler[] =
1086 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1087 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1088 (iw_handler) NULL, /* SIOCSIWNWID */
1089 (iw_handler) NULL, /* SIOCGIWNWID */
1090 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1091 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1092 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1093 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1094 (iw_handler) NULL, /* SIOCSIWSENS */
1095 (iw_handler) NULL, /* SIOCGIWSENS */
1096 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1097 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1098 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1099 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1100 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1101 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1102 (iw_handler) NULL, /* SIOCSIWSPY */
1103 (iw_handler) NULL, /* SIOCGIWSPY */
1104 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1105 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1106 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1107 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1108 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1109 (iw_handler) NULL, /* SIOCGIWAPLIST */
1110 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1111 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1112 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1113 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1114 (iw_handler) NULL, /* SIOCSIWNICKN */
1115 (iw_handler) NULL, /* SIOCGIWNICKN */
1116 (iw_handler) NULL, /* -- hole -- */
1117 (iw_handler) NULL, /* -- hole -- */
1118 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1119 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1120 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1121 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1122 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1123 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1124 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1125 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1126 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1127 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1128 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1129 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1130 (iw_handler) NULL, /* SIOCSIWPOWER */
1131 (iw_handler) NULL, /* SIOCGIWPOWER */
1132 (iw_handler) NULL, /* -- hole -- */
1133 (iw_handler) NULL, /* -- hole -- */
1134 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1135 (iw_handler) NULL, /* SIOCGIWGENIE */
1136 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1137 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1138 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1139 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1140 (iw_handler) NULL, /* SIOCSIWPMKSA */
1141 (iw_handler) NULL, /* -- hole -- */
1144 const struct iw_handler_def ieee80211_iw_handler_def =
1146 .num_standard = ARRAY_SIZE(ieee80211_handler),
1147 .standard = (iw_handler *) ieee80211_handler,
1148 .get_wireless_stats = ieee80211_get_wireless_stats,