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);
99 key_len != LEN_WEP40 && key_len != LEN_WEP104) {
100 ieee80211_key_free(key);
105 ieee80211_key_link(key, sdata, sta);
107 if (set_tx_key || (!sta && !sdata->default_key && key))
108 ieee80211_set_default_key(sdata, idx);
117 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
118 struct iw_request_info *info,
119 struct iw_point *data, char *extra)
121 struct ieee80211_sub_if_data *sdata;
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
125 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
128 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
129 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
130 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
133 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
134 ieee80211_sta_req_auth(dev, &sdata->u.sta);
141 static int ieee80211_ioctl_giwname(struct net_device *dev,
142 struct iw_request_info *info,
143 char *name, char *extra)
145 strcpy(name, "IEEE 802.11");
151 static int ieee80211_ioctl_giwrange(struct net_device *dev,
152 struct iw_request_info *info,
153 struct iw_point *data, char *extra)
155 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
156 struct iw_range *range = (struct iw_range *) extra;
157 enum ieee80211_band band;
160 data->length = sizeof(struct iw_range);
161 memset(range, 0, sizeof(struct iw_range));
163 range->we_version_compiled = WIRELESS_EXT;
164 range->we_version_source = 21;
165 range->retry_capa = IW_RETRY_LIMIT;
166 range->retry_flags = IW_RETRY_LIMIT;
167 range->min_retry = 0;
168 range->max_retry = 255;
170 range->max_rts = 2347;
171 range->min_frag = 256;
172 range->max_frag = 2346;
174 range->encoding_size[0] = 5;
175 range->encoding_size[1] = 13;
176 range->num_encoding_sizes = 2;
177 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
179 range->max_qual.qual = local->hw.max_signal;
180 range->max_qual.level = local->hw.max_rssi;
181 range->max_qual.noise = local->hw.max_noise;
182 range->max_qual.updated = local->wstats_flags;
184 range->avg_qual.qual = local->hw.max_signal/2;
185 range->avg_qual.level = 0;
186 range->avg_qual.noise = 0;
187 range->avg_qual.updated = local->wstats_flags;
189 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
190 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
193 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
195 struct ieee80211_supported_band *sband;
197 sband = local->hw.wiphy->bands[band];
202 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
203 struct ieee80211_channel *chan = &sband->channels[i];
205 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
207 ieee80211_frequency_to_channel(
209 range->freq[c].m = chan->center_freq;
210 range->freq[c].e = 6;
215 range->num_channels = c;
216 range->num_frequency = c;
218 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
219 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
220 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
222 range->scan_capa |= IW_SCAN_CAPA_ESSID;
228 static int ieee80211_ioctl_siwmode(struct net_device *dev,
229 struct iw_request_info *info,
230 __u32 *mode, char *extra)
232 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
235 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
240 type = IEEE80211_IF_TYPE_STA;
243 type = IEEE80211_IF_TYPE_IBSS;
246 type = IEEE80211_IF_TYPE_WDS;
248 case IW_MODE_MONITOR:
249 type = IEEE80211_IF_TYPE_MNTR;
255 if (type == sdata->vif.type)
257 if (netif_running(dev))
260 ieee80211_if_reinit(dev);
261 ieee80211_if_set_type(dev, type);
267 static int ieee80211_ioctl_giwmode(struct net_device *dev,
268 struct iw_request_info *info,
269 __u32 *mode, char *extra)
271 struct ieee80211_sub_if_data *sdata;
273 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
274 switch (sdata->vif.type) {
275 case IEEE80211_IF_TYPE_AP:
276 *mode = IW_MODE_MASTER;
278 case IEEE80211_IF_TYPE_STA:
279 *mode = IW_MODE_INFRA;
281 case IEEE80211_IF_TYPE_IBSS:
282 *mode = IW_MODE_ADHOC;
284 case IEEE80211_IF_TYPE_MNTR:
285 *mode = IW_MODE_MONITOR;
287 case IEEE80211_IF_TYPE_WDS:
288 *mode = IW_MODE_REPEAT;
290 case IEEE80211_IF_TYPE_VLAN:
291 *mode = IW_MODE_SECOND; /* FIXME */
294 *mode = IW_MODE_AUTO;
300 int ieee80211_set_freq(struct net_device *dev, int freqMHz)
303 struct ieee80211_channel *chan;
304 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
305 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
307 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
309 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
310 if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
311 chan->flags & IEEE80211_CHAN_NO_IBSS) {
312 printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
313 "%d MHz\n", dev->name, chan->center_freq);
316 local->oper_channel = chan;
318 if (local->sta_sw_scanning || local->sta_hw_scanning)
321 ret = ieee80211_hw_config(local);
323 rate_control_clear(local);
329 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
330 struct iw_request_info *info,
331 struct iw_freq *freq, char *extra)
333 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
335 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
336 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
338 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
341 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
342 sdata->u.sta.flags |=
343 IEEE80211_STA_AUTO_CHANNEL_SEL;
346 return ieee80211_set_freq(dev,
347 ieee80211_channel_to_frequency(freq->m));
349 int i, div = 1000000;
350 for (i = 0; i < freq->e; i++)
353 return ieee80211_set_freq(dev, freq->m / div);
360 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
361 struct iw_request_info *info,
362 struct iw_freq *freq, char *extra)
364 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
366 freq->m = local->hw.conf.channel->center_freq;
373 static int ieee80211_ioctl_siwessid(struct net_device *dev,
374 struct iw_request_info *info,
375 struct iw_point *data, char *ssid)
377 struct ieee80211_sub_if_data *sdata;
378 size_t len = data->length;
380 /* iwconfig uses nul termination in SSID.. */
381 if (len > 0 && ssid[len - 1] == '\0')
384 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
385 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
386 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
388 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
389 if (len > IEEE80211_MAX_SSID_LEN)
391 memcpy(sdata->u.sta.ssid, ssid, len);
392 sdata->u.sta.ssid_len = len;
396 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
398 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
399 ret = ieee80211_sta_set_ssid(dev, ssid, len);
402 ieee80211_sta_req_auth(dev, &sdata->u.sta);
406 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
407 memcpy(sdata->u.ap.ssid, ssid, len);
408 memset(sdata->u.ap.ssid + len, 0,
409 IEEE80211_MAX_SSID_LEN - len);
410 sdata->u.ap.ssid_len = len;
411 return ieee80211_if_config(dev);
417 static int ieee80211_ioctl_giwessid(struct net_device *dev,
418 struct iw_request_info *info,
419 struct iw_point *data, char *ssid)
423 struct ieee80211_sub_if_data *sdata;
424 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
425 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
426 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
427 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
436 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
437 len = sdata->u.ap.ssid_len;
438 if (len > IW_ESSID_MAX_SIZE)
439 len = IW_ESSID_MAX_SIZE;
440 memcpy(ssid, sdata->u.ap.ssid, len);
449 static int ieee80211_ioctl_siwap(struct net_device *dev,
450 struct iw_request_info *info,
451 struct sockaddr *ap_addr, char *extra)
453 struct ieee80211_sub_if_data *sdata;
455 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
456 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
457 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
459 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
460 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
464 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
465 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
466 IEEE80211_STA_AUTO_CHANNEL_SEL;
467 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
468 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
470 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
471 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
474 ieee80211_sta_req_auth(dev, &sdata->u.sta);
476 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
478 * If it is necessary to update the WDS peer address
479 * while the interface is running, then we need to do
480 * more work here, namely if it is running we need to
481 * add a new and remove the old STA entry, this is
482 * normally handled by _open() and _stop().
484 if (netif_running(dev))
487 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
497 static int ieee80211_ioctl_giwap(struct net_device *dev,
498 struct iw_request_info *info,
499 struct sockaddr *ap_addr, char *extra)
501 struct ieee80211_sub_if_data *sdata;
503 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
504 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
505 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
506 if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
507 sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
508 ap_addr->sa_family = ARPHRD_ETHER;
509 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
512 memset(&ap_addr->sa_data, 0, ETH_ALEN);
515 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
516 ap_addr->sa_family = ARPHRD_ETHER;
517 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
525 static int ieee80211_ioctl_siwscan(struct net_device *dev,
526 struct iw_request_info *info,
527 union iwreq_data *wrqu, char *extra)
529 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
530 struct iw_scan_req *req = NULL;
534 if (!netif_running(dev))
537 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
538 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
539 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
540 sdata->vif.type != IEEE80211_IF_TYPE_AP)
543 /* if SSID was specified explicitly then use that */
544 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
545 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
546 req = (struct iw_scan_req *)extra;
548 ssid_len = req->essid_len;
551 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
555 static int ieee80211_ioctl_giwscan(struct net_device *dev,
556 struct iw_request_info *info,
557 struct iw_point *data, char *extra)
560 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
562 if (local->sta_sw_scanning || local->sta_hw_scanning)
565 res = ieee80211_sta_scan_results(dev, extra, data->length);
575 static int ieee80211_ioctl_siwrate(struct net_device *dev,
576 struct iw_request_info *info,
577 struct iw_param *rate, char *extra)
579 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
580 int i, err = -EINVAL;
581 u32 target_rate = rate->value / 100000;
582 struct ieee80211_sub_if_data *sdata;
583 struct ieee80211_supported_band *sband;
585 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
589 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
591 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
592 * target_rate = X, rate->fixed = 1 means only rate X
593 * target_rate = X, rate->fixed = 0 means all rates <= X */
594 sdata->bss->max_ratectrl_rateidx = -1;
595 sdata->bss->force_unicast_rateidx = -1;
599 for (i=0; i< sband->n_bitrates; i++) {
600 struct ieee80211_rate *brate = &sband->bitrates[i];
601 int this_rate = brate->bitrate;
603 if (target_rate == this_rate) {
604 sdata->bss->max_ratectrl_rateidx = i;
606 sdata->bss->force_unicast_rateidx = i;
614 static int ieee80211_ioctl_giwrate(struct net_device *dev,
615 struct iw_request_info *info,
616 struct iw_param *rate, char *extra)
618 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
619 struct sta_info *sta;
620 struct ieee80211_sub_if_data *sdata;
621 struct ieee80211_supported_band *sband;
623 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
625 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
628 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
632 sta = sta_info_get(local, sdata->u.sta.bssid);
634 if (sta && sta->txrate_idx < sband->n_bitrates)
635 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
644 rate->value *= 100000;
649 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
650 struct iw_request_info *info,
651 union iwreq_data *data, char *extra)
653 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
654 bool need_reconfig = 0;
657 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
659 if (data->txpower.flags & IW_TXPOW_RANGE)
662 if (data->txpower.fixed) {
663 new_power_level = data->txpower.value;
666 * Automatic power level. Use maximum power for the current
667 * channel. Should be part of rate control.
669 struct ieee80211_channel* chan = local->hw.conf.channel;
673 new_power_level = chan->max_power;
676 if (local->hw.conf.power_level != new_power_level) {
677 local->hw.conf.power_level = new_power_level;
681 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
682 local->hw.conf.radio_enabled = !(data->txpower.disabled);
684 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
688 ieee80211_hw_config(local);
689 /* The return value of hw_config is not of big interest here,
690 * as it doesn't say that it failed because of _this_ config
691 * change or something else. Ignore it. */
697 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
698 struct iw_request_info *info,
699 union iwreq_data *data, char *extra)
701 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
703 data->txpower.fixed = 1;
704 data->txpower.disabled = !(local->hw.conf.radio_enabled);
705 data->txpower.value = local->hw.conf.power_level;
706 data->txpower.flags = IW_TXPOW_DBM;
711 static int ieee80211_ioctl_siwrts(struct net_device *dev,
712 struct iw_request_info *info,
713 struct iw_param *rts, char *extra)
715 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
718 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
719 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
722 local->rts_threshold = rts->value;
724 /* If the wlan card performs RTS/CTS in hardware/firmware,
725 * configure it here */
727 if (local->ops->set_rts_threshold)
728 local->ops->set_rts_threshold(local_to_hw(local),
729 local->rts_threshold);
734 static int ieee80211_ioctl_giwrts(struct net_device *dev,
735 struct iw_request_info *info,
736 struct iw_param *rts, char *extra)
738 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
740 rts->value = local->rts_threshold;
741 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
748 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
749 struct iw_request_info *info,
750 struct iw_param *frag, char *extra)
752 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
755 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
756 else if (frag->value < 256 ||
757 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
760 /* Fragment length must be even, so strip LSB. */
761 local->fragmentation_threshold = frag->value & ~0x1;
764 /* If the wlan card performs fragmentation in hardware/firmware,
765 * configure it here */
767 if (local->ops->set_frag_threshold)
768 local->ops->set_frag_threshold(
770 local->fragmentation_threshold);
775 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
776 struct iw_request_info *info,
777 struct iw_param *frag, char *extra)
779 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
781 frag->value = local->fragmentation_threshold;
782 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
789 static int ieee80211_ioctl_siwretry(struct net_device *dev,
790 struct iw_request_info *info,
791 struct iw_param *retry, char *extra)
793 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
795 if (retry->disabled ||
796 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
799 if (retry->flags & IW_RETRY_MAX)
800 local->long_retry_limit = retry->value;
801 else if (retry->flags & IW_RETRY_MIN)
802 local->short_retry_limit = retry->value;
804 local->long_retry_limit = retry->value;
805 local->short_retry_limit = retry->value;
808 if (local->ops->set_retry_limit) {
809 return local->ops->set_retry_limit(
811 local->short_retry_limit,
812 local->long_retry_limit);
819 static int ieee80211_ioctl_giwretry(struct net_device *dev,
820 struct iw_request_info *info,
821 struct iw_param *retry, char *extra)
823 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
826 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
827 /* first return min value, iwconfig will ask max value
829 retry->flags |= IW_RETRY_LIMIT;
830 retry->value = local->short_retry_limit;
831 if (local->long_retry_limit != local->short_retry_limit)
832 retry->flags |= IW_RETRY_MIN;
835 if (retry->flags & IW_RETRY_MAX) {
836 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
837 retry->value = local->long_retry_limit;
843 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
844 struct iw_request_info *info,
845 struct iw_point *data, char *extra)
847 struct ieee80211_sub_if_data *sdata;
848 struct iw_mlme *mlme = (struct iw_mlme *) extra;
850 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
851 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
852 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
857 /* TODO: mlme->addr.sa_data */
858 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
859 case IW_MLME_DISASSOC:
860 /* TODO: mlme->addr.sa_data */
861 return ieee80211_sta_disassociate(dev, mlme->reason_code);
868 static int ieee80211_ioctl_siwencode(struct net_device *dev,
869 struct iw_request_info *info,
870 struct iw_point *erq, char *keybuf)
872 struct ieee80211_sub_if_data *sdata;
873 int idx, i, alg = ALG_WEP;
874 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
877 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
879 idx = erq->flags & IW_ENCODE_INDEX;
881 if (sdata->default_key)
882 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
883 if (sdata->default_key == sdata->keys[i]) {
888 } else if (idx < 1 || idx > 4)
893 if (erq->flags & IW_ENCODE_DISABLED)
895 else if (erq->length == 0) {
896 /* No key data - just set the default TX key index */
897 ieee80211_set_default_key(sdata, idx);
901 return ieee80211_set_encryption(
905 keybuf, erq->length);
909 static int ieee80211_ioctl_giwencode(struct net_device *dev,
910 struct iw_request_info *info,
911 struct iw_point *erq, char *key)
913 struct ieee80211_sub_if_data *sdata;
916 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
918 idx = erq->flags & IW_ENCODE_INDEX;
919 if (idx < 1 || idx > 4) {
921 if (!sdata->default_key)
923 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
924 if (sdata->default_key == sdata->keys[i]) {
934 erq->flags = idx + 1;
936 if (!sdata->keys[idx]) {
938 erq->flags |= IW_ENCODE_DISABLED;
942 memcpy(key, sdata->keys[idx]->conf.key,
943 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
944 erq->length = sdata->keys[idx]->conf.keylen;
945 erq->flags |= IW_ENCODE_ENABLED;
950 static int ieee80211_ioctl_siwauth(struct net_device *dev,
951 struct iw_request_info *info,
952 struct iw_param *data, char *extra)
954 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
957 switch (data->flags & IW_AUTH_INDEX) {
958 case IW_AUTH_WPA_VERSION:
959 case IW_AUTH_CIPHER_PAIRWISE:
960 case IW_AUTH_CIPHER_GROUP:
961 case IW_AUTH_WPA_ENABLED:
962 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
963 case IW_AUTH_KEY_MGMT:
965 case IW_AUTH_DROP_UNENCRYPTED:
966 sdata->drop_unencrypted = !!data->value;
968 case IW_AUTH_PRIVACY_INVOKED:
969 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
972 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
974 * Privacy invoked by wpa_supplicant, store the
975 * value and allow associating to a protected
976 * network without having a key up front.
979 sdata->u.sta.flags |=
980 IEEE80211_STA_PRIVACY_INVOKED;
983 case IW_AUTH_80211_AUTH_ALG:
984 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
985 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
986 sdata->u.sta.auth_algs = data->value;
997 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
998 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1000 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1001 struct iw_statistics *wstats = &local->wstats;
1002 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1003 struct sta_info *sta = NULL;
1007 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1008 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1009 sta = sta_info_get(local, sdata->u.sta.bssid);
1011 wstats->discard.fragment = 0;
1012 wstats->discard.misc = 0;
1013 wstats->qual.qual = 0;
1014 wstats->qual.level = 0;
1015 wstats->qual.noise = 0;
1016 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1018 wstats->qual.level = sta->last_rssi;
1019 wstats->qual.qual = sta->last_signal;
1020 wstats->qual.noise = sta->last_noise;
1021 wstats->qual.updated = local->wstats_flags;
1029 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1030 struct iw_request_info *info,
1031 struct iw_param *data, char *extra)
1033 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1036 switch (data->flags & IW_AUTH_INDEX) {
1037 case IW_AUTH_80211_AUTH_ALG:
1038 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1039 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1040 data->value = sdata->u.sta.auth_algs;
1052 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1053 struct iw_request_info *info,
1054 struct iw_point *erq, char *extra)
1056 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1057 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1058 int uninitialized_var(alg), idx, i, remove = 0;
1061 case IW_ENCODE_ALG_NONE:
1064 case IW_ENCODE_ALG_WEP:
1067 case IW_ENCODE_ALG_TKIP:
1070 case IW_ENCODE_ALG_CCMP:
1077 if (erq->flags & IW_ENCODE_DISABLED)
1080 idx = erq->flags & IW_ENCODE_INDEX;
1081 if (idx < 1 || idx > 4) {
1083 if (!sdata->default_key)
1085 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1086 if (sdata->default_key == sdata->keys[i]) {
1096 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1099 IW_ENCODE_EXT_SET_TX_KEY,
1100 ext->key, ext->key_len);
1104 /* Structures to export the Wireless Handlers */
1106 static const iw_handler ieee80211_handler[] =
1108 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1109 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1110 (iw_handler) NULL, /* SIOCSIWNWID */
1111 (iw_handler) NULL, /* SIOCGIWNWID */
1112 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1113 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1114 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1115 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1116 (iw_handler) NULL, /* SIOCSIWSENS */
1117 (iw_handler) NULL, /* SIOCGIWSENS */
1118 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1119 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1120 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1121 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1122 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1123 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1124 (iw_handler) NULL, /* SIOCSIWSPY */
1125 (iw_handler) NULL, /* SIOCGIWSPY */
1126 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1127 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1128 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1129 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1130 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1131 (iw_handler) NULL, /* SIOCGIWAPLIST */
1132 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1133 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1134 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1135 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1136 (iw_handler) NULL, /* SIOCSIWNICKN */
1137 (iw_handler) NULL, /* SIOCGIWNICKN */
1138 (iw_handler) NULL, /* -- hole -- */
1139 (iw_handler) NULL, /* -- hole -- */
1140 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1141 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1142 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1143 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1144 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1145 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1146 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1147 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1148 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1149 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1150 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1151 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1152 (iw_handler) NULL, /* SIOCSIWPOWER */
1153 (iw_handler) NULL, /* SIOCGIWPOWER */
1154 (iw_handler) NULL, /* -- hole -- */
1155 (iw_handler) NULL, /* -- hole -- */
1156 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1157 (iw_handler) NULL, /* SIOCGIWGENIE */
1158 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1159 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1160 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1161 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1162 (iw_handler) NULL, /* SIOCSIWPMKSA */
1163 (iw_handler) NULL, /* -- hole -- */
1166 const struct iw_handler_def ieee80211_iw_handler_def =
1168 .num_standard = ARRAY_SIZE(ieee80211_handler),
1169 .standard = (iw_handler *) ieee80211_handler,
1170 .get_wireless_stats = ieee80211_get_wireless_stats,