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 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 ieee80211_key *key;
38 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",
54 if (is_broadcast_ether_addr(sta_addr)) {
55 key = sdata->keys[idx];
57 sta = sta_info_get(local, sta_addr);
65 ieee80211_key_free(key);
67 key = ieee80211_key_alloc(alg, idx, key_len, _key);
76 if (!is_broadcast_ether_addr(sta_addr)) {
79 * According to the standard, the key index of a
80 * pairwise key must be zero. However, some AP are
81 * broken when it comes to WEP key indices, so we
84 if (idx != 0 && alg != ALG_WEP) {
85 ieee80211_key_free(key);
90 sta = sta_info_get(local, sta_addr);
92 ieee80211_key_free(key);
98 ieee80211_key_link(key, sdata, sta);
100 if (set_tx_key || (!sta && !sdata->default_key && key))
101 ieee80211_set_default_key(sdata, idx);
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, SIOCGIWAP);
213 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
215 range->scan_capa |= IW_SCAN_CAPA_ESSID;
221 static int ieee80211_ioctl_siwmode(struct net_device *dev,
222 struct iw_request_info *info,
223 __u32 *mode, char *extra)
225 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
228 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
233 type = IEEE80211_IF_TYPE_STA;
236 type = IEEE80211_IF_TYPE_IBSS;
239 type = IEEE80211_IF_TYPE_WDS;
241 case IW_MODE_MONITOR:
242 type = IEEE80211_IF_TYPE_MNTR;
248 if (type == sdata->vif.type)
250 if (netif_running(dev))
253 ieee80211_if_reinit(dev);
254 ieee80211_if_set_type(dev, type);
260 static int ieee80211_ioctl_giwmode(struct net_device *dev,
261 struct iw_request_info *info,
262 __u32 *mode, char *extra)
264 struct ieee80211_sub_if_data *sdata;
266 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
267 switch (sdata->vif.type) {
268 case IEEE80211_IF_TYPE_AP:
269 *mode = IW_MODE_MASTER;
271 case IEEE80211_IF_TYPE_STA:
272 *mode = IW_MODE_INFRA;
274 case IEEE80211_IF_TYPE_IBSS:
275 *mode = IW_MODE_ADHOC;
277 case IEEE80211_IF_TYPE_MNTR:
278 *mode = IW_MODE_MONITOR;
280 case IEEE80211_IF_TYPE_WDS:
281 *mode = IW_MODE_REPEAT;
283 case IEEE80211_IF_TYPE_VLAN:
284 *mode = IW_MODE_SECOND; /* FIXME */
287 *mode = IW_MODE_AUTO;
293 int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
296 struct ieee80211_channel *chan;
298 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
300 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
301 local->oper_channel = chan;
303 if (local->sta_sw_scanning || local->sta_hw_scanning)
306 ret = ieee80211_hw_config(local);
308 rate_control_clear(local);
314 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
315 struct iw_request_info *info,
316 struct iw_freq *freq, char *extra)
318 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
319 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
321 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
322 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
324 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
327 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
328 sdata->u.sta.flags |=
329 IEEE80211_STA_AUTO_CHANNEL_SEL;
332 return ieee80211_set_freq(local,
333 ieee80211_channel_to_frequency(freq->m));
335 int i, div = 1000000;
336 for (i = 0; i < freq->e; i++)
339 return ieee80211_set_freq(local, freq->m / div);
346 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
347 struct iw_request_info *info,
348 struct iw_freq *freq, char *extra)
350 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
352 freq->m = local->hw.conf.channel->center_freq;
359 static int ieee80211_ioctl_siwessid(struct net_device *dev,
360 struct iw_request_info *info,
361 struct iw_point *data, char *ssid)
363 struct ieee80211_sub_if_data *sdata;
364 size_t len = data->length;
366 /* iwconfig uses nul termination in SSID.. */
367 if (len > 0 && ssid[len - 1] == '\0')
370 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
371 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
372 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
374 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
375 if (len > IEEE80211_MAX_SSID_LEN)
377 memcpy(sdata->u.sta.ssid, ssid, len);
378 sdata->u.sta.ssid_len = len;
382 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
384 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
385 ret = ieee80211_sta_set_ssid(dev, ssid, len);
388 ieee80211_sta_req_auth(dev, &sdata->u.sta);
392 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
393 memcpy(sdata->u.ap.ssid, ssid, len);
394 memset(sdata->u.ap.ssid + len, 0,
395 IEEE80211_MAX_SSID_LEN - len);
396 sdata->u.ap.ssid_len = len;
397 return ieee80211_if_config(dev);
403 static int ieee80211_ioctl_giwessid(struct net_device *dev,
404 struct iw_request_info *info,
405 struct iw_point *data, char *ssid)
409 struct ieee80211_sub_if_data *sdata;
410 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
411 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
412 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
413 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
422 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
423 len = sdata->u.ap.ssid_len;
424 if (len > IW_ESSID_MAX_SIZE)
425 len = IW_ESSID_MAX_SIZE;
426 memcpy(ssid, sdata->u.ap.ssid, len);
435 static int ieee80211_ioctl_siwap(struct net_device *dev,
436 struct iw_request_info *info,
437 struct sockaddr *ap_addr, char *extra)
439 struct ieee80211_sub_if_data *sdata;
441 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
442 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
443 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
445 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
446 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
450 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
451 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
452 IEEE80211_STA_AUTO_CHANNEL_SEL;
453 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
454 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
456 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
457 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
460 ieee80211_sta_req_auth(dev, &sdata->u.sta);
462 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
464 * If it is necessary to update the WDS peer address
465 * while the interface is running, then we need to do
466 * more work here, namely if it is running we need to
467 * add a new and remove the old STA entry, this is
468 * normally handled by _open() and _stop().
470 if (netif_running(dev))
473 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
483 static int ieee80211_ioctl_giwap(struct net_device *dev,
484 struct iw_request_info *info,
485 struct sockaddr *ap_addr, char *extra)
487 struct ieee80211_sub_if_data *sdata;
489 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
490 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
491 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
492 if (sdata->u.sta.state == IEEE80211_ASSOCIATED) {
493 ap_addr->sa_family = ARPHRD_ETHER;
494 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
497 memset(&ap_addr->sa_data, 0, ETH_ALEN);
500 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
501 ap_addr->sa_family = ARPHRD_ETHER;
502 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
510 static int ieee80211_ioctl_siwscan(struct net_device *dev,
511 struct iw_request_info *info,
512 union iwreq_data *wrqu, char *extra)
514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
515 struct iw_scan_req *req = NULL;
519 if (!netif_running(dev))
522 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
523 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
524 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
525 sdata->vif.type != IEEE80211_IF_TYPE_AP)
528 /* if SSID was specified explicitly then use that */
529 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
530 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
531 req = (struct iw_scan_req *)extra;
533 ssid_len = req->essid_len;
536 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
540 static int ieee80211_ioctl_giwscan(struct net_device *dev,
541 struct iw_request_info *info,
542 struct iw_point *data, char *extra)
545 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
547 if (local->sta_sw_scanning || local->sta_hw_scanning)
550 res = ieee80211_sta_scan_results(dev, extra, data->length);
560 static int ieee80211_ioctl_siwrate(struct net_device *dev,
561 struct iw_request_info *info,
562 struct iw_param *rate, char *extra)
564 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
565 int i, err = -EINVAL;
566 u32 target_rate = rate->value / 100000;
567 struct ieee80211_sub_if_data *sdata;
568 struct ieee80211_supported_band *sband;
570 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
574 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
576 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
577 * target_rate = X, rate->fixed = 1 means only rate X
578 * target_rate = X, rate->fixed = 0 means all rates <= X */
579 sdata->bss->max_ratectrl_rateidx = -1;
580 sdata->bss->force_unicast_rateidx = -1;
584 for (i=0; i< sband->n_bitrates; i++) {
585 struct ieee80211_rate *brate = &sband->bitrates[i];
586 int this_rate = brate->bitrate;
588 if (target_rate == this_rate) {
589 sdata->bss->max_ratectrl_rateidx = i;
591 sdata->bss->force_unicast_rateidx = i;
599 static int ieee80211_ioctl_giwrate(struct net_device *dev,
600 struct iw_request_info *info,
601 struct iw_param *rate, char *extra)
603 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
604 struct sta_info *sta;
605 struct ieee80211_sub_if_data *sdata;
606 struct ieee80211_supported_band *sband;
608 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
610 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
613 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
617 sta = sta_info_get(local, sdata->u.sta.bssid);
619 if (sta && sta->txrate_idx < sband->n_bitrates)
620 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
629 rate->value *= 100000;
634 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
635 struct iw_request_info *info,
636 union iwreq_data *data, char *extra)
638 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
639 bool need_reconfig = 0;
642 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
644 if (data->txpower.flags & IW_TXPOW_RANGE)
647 if (data->txpower.fixed) {
648 new_power_level = data->txpower.value;
651 * Automatic power level. Use maximum power for the current
652 * channel. Should be part of rate control.
654 struct ieee80211_channel* chan = local->hw.conf.channel;
658 new_power_level = chan->max_power;
661 if (local->hw.conf.power_level != new_power_level) {
662 local->hw.conf.power_level = new_power_level;
666 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
667 local->hw.conf.radio_enabled = !(data->txpower.disabled);
669 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
673 ieee80211_hw_config(local);
674 /* The return value of hw_config is not of big interest here,
675 * as it doesn't say that it failed because of _this_ config
676 * change or something else. Ignore it. */
682 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
683 struct iw_request_info *info,
684 union iwreq_data *data, char *extra)
686 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
688 data->txpower.fixed = 1;
689 data->txpower.disabled = !(local->hw.conf.radio_enabled);
690 data->txpower.value = local->hw.conf.power_level;
691 data->txpower.flags = IW_TXPOW_DBM;
696 static int ieee80211_ioctl_siwrts(struct net_device *dev,
697 struct iw_request_info *info,
698 struct iw_param *rts, char *extra)
700 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
703 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
704 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
707 local->rts_threshold = rts->value;
709 /* If the wlan card performs RTS/CTS in hardware/firmware,
710 * configure it here */
712 if (local->ops->set_rts_threshold)
713 local->ops->set_rts_threshold(local_to_hw(local),
714 local->rts_threshold);
719 static int ieee80211_ioctl_giwrts(struct net_device *dev,
720 struct iw_request_info *info,
721 struct iw_param *rts, char *extra)
723 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
725 rts->value = local->rts_threshold;
726 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
733 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
734 struct iw_request_info *info,
735 struct iw_param *frag, char *extra)
737 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
740 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
741 else if (frag->value < 256 ||
742 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
745 /* Fragment length must be even, so strip LSB. */
746 local->fragmentation_threshold = frag->value & ~0x1;
749 /* If the wlan card performs fragmentation in hardware/firmware,
750 * configure it here */
752 if (local->ops->set_frag_threshold)
753 local->ops->set_frag_threshold(
755 local->fragmentation_threshold);
760 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
761 struct iw_request_info *info,
762 struct iw_param *frag, char *extra)
764 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
766 frag->value = local->fragmentation_threshold;
767 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
774 static int ieee80211_ioctl_siwretry(struct net_device *dev,
775 struct iw_request_info *info,
776 struct iw_param *retry, char *extra)
778 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
780 if (retry->disabled ||
781 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
784 if (retry->flags & IW_RETRY_MAX)
785 local->long_retry_limit = retry->value;
786 else if (retry->flags & IW_RETRY_MIN)
787 local->short_retry_limit = retry->value;
789 local->long_retry_limit = retry->value;
790 local->short_retry_limit = retry->value;
793 if (local->ops->set_retry_limit) {
794 return local->ops->set_retry_limit(
796 local->short_retry_limit,
797 local->long_retry_limit);
804 static int ieee80211_ioctl_giwretry(struct net_device *dev,
805 struct iw_request_info *info,
806 struct iw_param *retry, char *extra)
808 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
811 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
812 /* first return min value, iwconfig will ask max value
814 retry->flags |= IW_RETRY_LIMIT;
815 retry->value = local->short_retry_limit;
816 if (local->long_retry_limit != local->short_retry_limit)
817 retry->flags |= IW_RETRY_MIN;
820 if (retry->flags & IW_RETRY_MAX) {
821 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
822 retry->value = local->long_retry_limit;
828 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
829 struct iw_request_info *info,
830 struct iw_point *data, char *extra)
832 struct ieee80211_sub_if_data *sdata;
833 struct iw_mlme *mlme = (struct iw_mlme *) extra;
835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
836 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
837 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
842 /* TODO: mlme->addr.sa_data */
843 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
844 case IW_MLME_DISASSOC:
845 /* TODO: mlme->addr.sa_data */
846 return ieee80211_sta_disassociate(dev, mlme->reason_code);
853 static int ieee80211_ioctl_siwencode(struct net_device *dev,
854 struct iw_request_info *info,
855 struct iw_point *erq, char *keybuf)
857 struct ieee80211_sub_if_data *sdata;
858 int idx, i, alg = ALG_WEP;
859 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
862 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
864 idx = erq->flags & IW_ENCODE_INDEX;
866 if (sdata->default_key)
867 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
868 if (sdata->default_key == sdata->keys[i]) {
873 } else if (idx < 1 || idx > 4)
878 if (erq->flags & IW_ENCODE_DISABLED)
880 else if (erq->length == 0) {
881 /* No key data - just set the default TX key index */
882 ieee80211_set_default_key(sdata, idx);
886 return ieee80211_set_encryption(
890 keybuf, erq->length);
894 static int ieee80211_ioctl_giwencode(struct net_device *dev,
895 struct iw_request_info *info,
896 struct iw_point *erq, char *key)
898 struct ieee80211_sub_if_data *sdata;
901 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
903 idx = erq->flags & IW_ENCODE_INDEX;
904 if (idx < 1 || idx > 4) {
906 if (!sdata->default_key)
908 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
909 if (sdata->default_key == sdata->keys[i]) {
919 erq->flags = idx + 1;
921 if (!sdata->keys[idx]) {
923 erq->flags |= IW_ENCODE_DISABLED;
927 memcpy(key, sdata->keys[idx]->conf.key,
928 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
929 erq->length = sdata->keys[idx]->conf.keylen;
930 erq->flags |= IW_ENCODE_ENABLED;
935 static int ieee80211_ioctl_siwauth(struct net_device *dev,
936 struct iw_request_info *info,
937 struct iw_param *data, char *extra)
939 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
942 switch (data->flags & IW_AUTH_INDEX) {
943 case IW_AUTH_WPA_VERSION:
944 case IW_AUTH_CIPHER_PAIRWISE:
945 case IW_AUTH_CIPHER_GROUP:
946 case IW_AUTH_WPA_ENABLED:
947 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
948 case IW_AUTH_KEY_MGMT:
950 case IW_AUTH_DROP_UNENCRYPTED:
951 sdata->drop_unencrypted = !!data->value;
953 case IW_AUTH_PRIVACY_INVOKED:
954 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
957 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
959 * Privacy invoked by wpa_supplicant, store the
960 * value and allow associating to a protected
961 * network without having a key up front.
964 sdata->u.sta.flags |=
965 IEEE80211_STA_PRIVACY_INVOKED;
968 case IW_AUTH_80211_AUTH_ALG:
969 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
970 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
971 sdata->u.sta.auth_algs = data->value;
982 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
983 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
985 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
986 struct iw_statistics *wstats = &local->wstats;
987 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
988 struct sta_info *sta = NULL;
992 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
993 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
994 sta = sta_info_get(local, sdata->u.sta.bssid);
996 wstats->discard.fragment = 0;
997 wstats->discard.misc = 0;
998 wstats->qual.qual = 0;
999 wstats->qual.level = 0;
1000 wstats->qual.noise = 0;
1001 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1003 wstats->qual.level = sta->last_rssi;
1004 wstats->qual.qual = sta->last_signal;
1005 wstats->qual.noise = sta->last_noise;
1006 wstats->qual.updated = local->wstats_flags;
1014 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1015 struct iw_request_info *info,
1016 struct iw_param *data, char *extra)
1018 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021 switch (data->flags & IW_AUTH_INDEX) {
1022 case IW_AUTH_80211_AUTH_ALG:
1023 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1024 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1025 data->value = sdata->u.sta.auth_algs;
1037 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1038 struct iw_request_info *info,
1039 struct iw_point *erq, char *extra)
1041 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1042 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1043 int uninitialized_var(alg), idx, i, remove = 0;
1046 case IW_ENCODE_ALG_NONE:
1049 case IW_ENCODE_ALG_WEP:
1052 case IW_ENCODE_ALG_TKIP:
1055 case IW_ENCODE_ALG_CCMP:
1062 if (erq->flags & IW_ENCODE_DISABLED)
1065 idx = erq->flags & IW_ENCODE_INDEX;
1066 if (idx < 1 || idx > 4) {
1068 if (!sdata->default_key)
1070 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1071 if (sdata->default_key == sdata->keys[i]) {
1081 return ieee80211_set_encryption(dev, 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) ieee80211_ioctl_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) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1100 (iw_handler) ieee80211_ioctl_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) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1118 (iw_handler) ieee80211_ioctl_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) NULL, /* SIOCSIWPOWER */
1138 (iw_handler) NULL, /* 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,