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, 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)
294 struct ieee80211_channel *chan;
296 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
298 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
299 local->oper_channel = chan;
301 if (local->sta_sw_scanning || local->sta_hw_scanning)
304 ret = ieee80211_hw_config(local);
306 rate_control_clear(local);
312 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
313 struct iw_request_info *info,
314 struct iw_freq *freq, char *extra)
316 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
317 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
319 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
320 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
322 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
325 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
326 sdata->u.sta.flags |=
327 IEEE80211_STA_AUTO_CHANNEL_SEL;
330 return ieee80211_set_freq(local,
331 ieee80211_channel_to_frequency(freq->m));
333 int i, div = 1000000;
334 for (i = 0; i < freq->e; i++)
337 return ieee80211_set_freq(local, freq->m / div);
344 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
345 struct iw_request_info *info,
346 struct iw_freq *freq, char *extra)
348 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
350 freq->m = local->hw.conf.channel->center_freq;
357 static int ieee80211_ioctl_siwessid(struct net_device *dev,
358 struct iw_request_info *info,
359 struct iw_point *data, char *ssid)
361 struct ieee80211_sub_if_data *sdata;
362 size_t len = data->length;
364 /* iwconfig uses nul termination in SSID.. */
365 if (len > 0 && ssid[len - 1] == '\0')
368 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
369 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
370 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
372 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
373 if (len > IEEE80211_MAX_SSID_LEN)
375 memcpy(sdata->u.sta.ssid, ssid, len);
376 sdata->u.sta.ssid_len = len;
380 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
382 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
383 ret = ieee80211_sta_set_ssid(dev, ssid, len);
386 ieee80211_sta_req_auth(dev, &sdata->u.sta);
390 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
391 memcpy(sdata->u.ap.ssid, ssid, len);
392 memset(sdata->u.ap.ssid + len, 0,
393 IEEE80211_MAX_SSID_LEN - len);
394 sdata->u.ap.ssid_len = len;
395 return ieee80211_if_config(dev);
401 static int ieee80211_ioctl_giwessid(struct net_device *dev,
402 struct iw_request_info *info,
403 struct iw_point *data, char *ssid)
407 struct ieee80211_sub_if_data *sdata;
408 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
409 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
410 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
411 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
420 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
421 len = sdata->u.ap.ssid_len;
422 if (len > IW_ESSID_MAX_SIZE)
423 len = IW_ESSID_MAX_SIZE;
424 memcpy(ssid, sdata->u.ap.ssid, len);
433 static int ieee80211_ioctl_siwap(struct net_device *dev,
434 struct iw_request_info *info,
435 struct sockaddr *ap_addr, char *extra)
437 struct ieee80211_sub_if_data *sdata;
439 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
440 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
441 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
443 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
444 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
448 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
449 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
450 IEEE80211_STA_AUTO_CHANNEL_SEL;
451 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
452 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
454 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
455 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
458 ieee80211_sta_req_auth(dev, &sdata->u.sta);
460 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
462 * If it is necessary to update the WDS peer address
463 * while the interface is running, then we need to do
464 * more work here, namely if it is running we need to
465 * add a new and remove the old STA entry, this is
466 * normally handled by _open() and _stop().
468 if (netif_running(dev))
471 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
481 static int ieee80211_ioctl_giwap(struct net_device *dev,
482 struct iw_request_info *info,
483 struct sockaddr *ap_addr, char *extra)
485 struct ieee80211_sub_if_data *sdata;
487 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
488 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
489 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
490 ap_addr->sa_family = ARPHRD_ETHER;
491 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
493 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
494 ap_addr->sa_family = ARPHRD_ETHER;
495 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
503 static int ieee80211_ioctl_siwscan(struct net_device *dev,
504 struct iw_request_info *info,
505 union iwreq_data *wrqu, char *extra)
507 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
508 struct iw_scan_req *req = NULL;
512 if (!netif_running(dev))
515 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
516 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
517 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
518 sdata->vif.type != IEEE80211_IF_TYPE_AP)
521 /* if SSID was specified explicitly then use that */
522 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
523 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
524 req = (struct iw_scan_req *)extra;
526 ssid_len = req->essid_len;
529 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
533 static int ieee80211_ioctl_giwscan(struct net_device *dev,
534 struct iw_request_info *info,
535 struct iw_point *data, char *extra)
538 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
540 if (local->sta_sw_scanning || local->sta_hw_scanning)
543 res = ieee80211_sta_scan_results(dev, extra, data->length);
553 static int ieee80211_ioctl_siwrate(struct net_device *dev,
554 struct iw_request_info *info,
555 struct iw_param *rate, char *extra)
557 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
558 int i, err = -EINVAL;
559 u32 target_rate = rate->value / 100000;
560 struct ieee80211_sub_if_data *sdata;
561 struct ieee80211_supported_band *sband;
563 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
567 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
569 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
570 * target_rate = X, rate->fixed = 1 means only rate X
571 * target_rate = X, rate->fixed = 0 means all rates <= X */
572 sdata->bss->max_ratectrl_rateidx = -1;
573 sdata->bss->force_unicast_rateidx = -1;
577 for (i=0; i< sband->n_bitrates; i++) {
578 struct ieee80211_rate *brate = &sband->bitrates[i];
579 int this_rate = brate->bitrate;
581 if (target_rate == this_rate) {
582 sdata->bss->max_ratectrl_rateidx = i;
584 sdata->bss->force_unicast_rateidx = i;
592 static int ieee80211_ioctl_giwrate(struct net_device *dev,
593 struct iw_request_info *info,
594 struct iw_param *rate, char *extra)
596 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
597 struct sta_info *sta;
598 struct ieee80211_sub_if_data *sdata;
599 struct ieee80211_supported_band *sband;
601 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
603 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
606 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
610 sta = sta_info_get(local, sdata->u.sta.bssid);
612 if (sta && sta->txrate_idx < sband->n_bitrates)
613 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
622 rate->value *= 100000;
627 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
628 struct iw_request_info *info,
629 union iwreq_data *data, char *extra)
631 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
632 bool need_reconfig = 0;
635 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
637 if (data->txpower.flags & IW_TXPOW_RANGE)
640 if (data->txpower.fixed) {
641 new_power_level = data->txpower.value;
644 * Automatic power level. Use maximum power for the current
645 * channel. Should be part of rate control.
647 struct ieee80211_channel* chan = local->hw.conf.channel;
651 new_power_level = chan->max_power;
654 if (local->hw.conf.power_level != new_power_level) {
655 local->hw.conf.power_level = new_power_level;
659 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
660 local->hw.conf.radio_enabled = !(data->txpower.disabled);
662 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
666 ieee80211_hw_config(local);
667 /* The return value of hw_config is not of big interest here,
668 * as it doesn't say that it failed because of _this_ config
669 * change or something else. Ignore it. */
675 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
676 struct iw_request_info *info,
677 union iwreq_data *data, char *extra)
679 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
681 data->txpower.fixed = 1;
682 data->txpower.disabled = !(local->hw.conf.radio_enabled);
683 data->txpower.value = local->hw.conf.power_level;
684 data->txpower.flags = IW_TXPOW_DBM;
689 static int ieee80211_ioctl_siwrts(struct net_device *dev,
690 struct iw_request_info *info,
691 struct iw_param *rts, char *extra)
693 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
696 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
697 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
700 local->rts_threshold = rts->value;
702 /* If the wlan card performs RTS/CTS in hardware/firmware,
703 * configure it here */
705 if (local->ops->set_rts_threshold)
706 local->ops->set_rts_threshold(local_to_hw(local),
707 local->rts_threshold);
712 static int ieee80211_ioctl_giwrts(struct net_device *dev,
713 struct iw_request_info *info,
714 struct iw_param *rts, char *extra)
716 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
718 rts->value = local->rts_threshold;
719 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
726 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
727 struct iw_request_info *info,
728 struct iw_param *frag, char *extra)
730 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
733 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
734 else if (frag->value < 256 ||
735 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
738 /* Fragment length must be even, so strip LSB. */
739 local->fragmentation_threshold = frag->value & ~0x1;
742 /* If the wlan card performs fragmentation in hardware/firmware,
743 * configure it here */
745 if (local->ops->set_frag_threshold)
746 local->ops->set_frag_threshold(
748 local->fragmentation_threshold);
753 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
754 struct iw_request_info *info,
755 struct iw_param *frag, char *extra)
757 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
759 frag->value = local->fragmentation_threshold;
760 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
767 static int ieee80211_ioctl_siwretry(struct net_device *dev,
768 struct iw_request_info *info,
769 struct iw_param *retry, char *extra)
771 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
773 if (retry->disabled ||
774 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
777 if (retry->flags & IW_RETRY_MAX)
778 local->long_retry_limit = retry->value;
779 else if (retry->flags & IW_RETRY_MIN)
780 local->short_retry_limit = retry->value;
782 local->long_retry_limit = retry->value;
783 local->short_retry_limit = retry->value;
786 if (local->ops->set_retry_limit) {
787 return local->ops->set_retry_limit(
789 local->short_retry_limit,
790 local->long_retry_limit);
797 static int ieee80211_ioctl_giwretry(struct net_device *dev,
798 struct iw_request_info *info,
799 struct iw_param *retry, char *extra)
801 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
804 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
805 /* first return min value, iwconfig will ask max value
807 retry->flags |= IW_RETRY_LIMIT;
808 retry->value = local->short_retry_limit;
809 if (local->long_retry_limit != local->short_retry_limit)
810 retry->flags |= IW_RETRY_MIN;
813 if (retry->flags & IW_RETRY_MAX) {
814 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
815 retry->value = local->long_retry_limit;
821 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
822 struct iw_request_info *info,
823 struct iw_point *data, char *extra)
825 struct ieee80211_sub_if_data *sdata;
826 struct iw_mlme *mlme = (struct iw_mlme *) extra;
828 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
829 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
830 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
835 /* TODO: mlme->addr.sa_data */
836 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
837 case IW_MLME_DISASSOC:
838 /* TODO: mlme->addr.sa_data */
839 return ieee80211_sta_disassociate(dev, mlme->reason_code);
846 static int ieee80211_ioctl_siwencode(struct net_device *dev,
847 struct iw_request_info *info,
848 struct iw_point *erq, char *keybuf)
850 struct ieee80211_sub_if_data *sdata;
851 int idx, i, alg = ALG_WEP;
852 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
855 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
857 idx = erq->flags & IW_ENCODE_INDEX;
859 if (sdata->default_key)
860 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
861 if (sdata->default_key == sdata->keys[i]) {
866 } else if (idx < 1 || idx > 4)
871 if (erq->flags & IW_ENCODE_DISABLED)
873 else if (erq->length == 0) {
874 /* No key data - just set the default TX key index */
875 ieee80211_set_default_key(sdata, idx);
879 return ieee80211_set_encryption(
883 keybuf, erq->length);
887 static int ieee80211_ioctl_giwencode(struct net_device *dev,
888 struct iw_request_info *info,
889 struct iw_point *erq, char *key)
891 struct ieee80211_sub_if_data *sdata;
894 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
896 idx = erq->flags & IW_ENCODE_INDEX;
897 if (idx < 1 || idx > 4) {
899 if (!sdata->default_key)
901 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
902 if (sdata->default_key == sdata->keys[i]) {
912 erq->flags = idx + 1;
914 if (!sdata->keys[idx]) {
916 erq->flags |= IW_ENCODE_DISABLED;
920 memcpy(key, sdata->keys[idx]->conf.key,
921 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
922 erq->length = sdata->keys[idx]->conf.keylen;
923 erq->flags |= IW_ENCODE_ENABLED;
928 static int ieee80211_ioctl_siwauth(struct net_device *dev,
929 struct iw_request_info *info,
930 struct iw_param *data, char *extra)
932 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
935 switch (data->flags & IW_AUTH_INDEX) {
936 case IW_AUTH_WPA_VERSION:
937 case IW_AUTH_CIPHER_PAIRWISE:
938 case IW_AUTH_CIPHER_GROUP:
939 case IW_AUTH_WPA_ENABLED:
940 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
941 case IW_AUTH_KEY_MGMT:
943 case IW_AUTH_DROP_UNENCRYPTED:
944 sdata->drop_unencrypted = !!data->value;
946 case IW_AUTH_PRIVACY_INVOKED:
947 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
950 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
952 * Privacy invoked by wpa_supplicant, store the
953 * value and allow associating to a protected
954 * network without having a key up front.
957 sdata->u.sta.flags |=
958 IEEE80211_STA_PRIVACY_INVOKED;
961 case IW_AUTH_80211_AUTH_ALG:
962 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
963 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
964 sdata->u.sta.auth_algs = data->value;
975 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
976 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
978 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
979 struct iw_statistics *wstats = &local->wstats;
980 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
981 struct sta_info *sta = NULL;
983 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
984 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
985 sta = sta_info_get(local, sdata->u.sta.bssid);
987 wstats->discard.fragment = 0;
988 wstats->discard.misc = 0;
989 wstats->qual.qual = 0;
990 wstats->qual.level = 0;
991 wstats->qual.noise = 0;
992 wstats->qual.updated = IW_QUAL_ALL_INVALID;
994 wstats->qual.level = sta->last_rssi;
995 wstats->qual.qual = sta->last_signal;
996 wstats->qual.noise = sta->last_noise;
997 wstats->qual.updated = local->wstats_flags;
1002 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1003 struct iw_request_info *info,
1004 struct iw_param *data, char *extra)
1006 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1009 switch (data->flags & IW_AUTH_INDEX) {
1010 case IW_AUTH_80211_AUTH_ALG:
1011 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1012 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1013 data->value = sdata->u.sta.auth_algs;
1025 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1026 struct iw_request_info *info,
1027 struct iw_point *erq, char *extra)
1029 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1030 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1031 int uninitialized_var(alg), idx, i, remove = 0;
1034 case IW_ENCODE_ALG_NONE:
1037 case IW_ENCODE_ALG_WEP:
1040 case IW_ENCODE_ALG_TKIP:
1043 case IW_ENCODE_ALG_CCMP:
1050 if (erq->flags & IW_ENCODE_DISABLED)
1053 idx = erq->flags & IW_ENCODE_INDEX;
1054 if (idx < 1 || idx > 4) {
1056 if (!sdata->default_key)
1058 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1059 if (sdata->default_key == sdata->keys[i]) {
1069 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1072 IW_ENCODE_EXT_SET_TX_KEY,
1073 ext->key, ext->key_len);
1077 /* Structures to export the Wireless Handlers */
1079 static const iw_handler ieee80211_handler[] =
1081 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1082 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1083 (iw_handler) NULL, /* SIOCSIWNWID */
1084 (iw_handler) NULL, /* SIOCGIWNWID */
1085 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1086 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1087 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1088 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1089 (iw_handler) NULL, /* SIOCSIWSENS */
1090 (iw_handler) NULL, /* SIOCGIWSENS */
1091 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1092 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1093 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1094 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1095 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1096 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1097 (iw_handler) NULL, /* SIOCSIWSPY */
1098 (iw_handler) NULL, /* SIOCGIWSPY */
1099 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1100 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1101 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1102 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1103 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1104 (iw_handler) NULL, /* SIOCGIWAPLIST */
1105 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1106 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1107 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1108 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1109 (iw_handler) NULL, /* SIOCSIWNICKN */
1110 (iw_handler) NULL, /* SIOCGIWNICKN */
1111 (iw_handler) NULL, /* -- hole -- */
1112 (iw_handler) NULL, /* -- hole -- */
1113 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1114 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1115 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1116 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1117 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1118 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1119 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1120 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1121 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1122 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1123 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1124 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1125 (iw_handler) NULL, /* SIOCSIWPOWER */
1126 (iw_handler) NULL, /* SIOCGIWPOWER */
1127 (iw_handler) NULL, /* -- hole -- */
1128 (iw_handler) NULL, /* -- hole -- */
1129 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1130 (iw_handler) NULL, /* SIOCGIWGENIE */
1131 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1132 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1133 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1134 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1135 (iw_handler) NULL, /* SIOCSIWPMKSA */
1136 (iw_handler) NULL, /* -- hole -- */
1139 const struct iw_handler_def ieee80211_iw_handler_def =
1141 .num_standard = ARRAY_SIZE(ieee80211_handler),
1142 .standard = (iw_handler *) ieee80211_handler,
1143 .get_wireless_stats = ieee80211_get_wireless_stats,