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 ieee80211_key *key;
38 struct ieee80211_sub_if_data *sdata;
40 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
42 if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
43 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
49 if (is_broadcast_ether_addr(sta_addr)) {
50 key = sdata->keys[idx];
52 sta = sta_info_get(local, sta_addr);
58 ieee80211_key_free(key);
61 key = ieee80211_key_alloc(alg, idx, key_len, _key);
67 if (!is_broadcast_ether_addr(sta_addr)) {
70 * According to the standard, the key index of a
71 * pairwise key must be zero. However, some AP are
72 * broken when it comes to WEP key indices, so we
75 if (idx != 0 && alg != ALG_WEP) {
76 ieee80211_key_free(key);
80 sta = sta_info_get(local, sta_addr);
82 ieee80211_key_free(key);
87 ieee80211_key_link(key, sdata, sta);
89 if (set_tx_key || (!sta && !sdata->default_key && key))
90 ieee80211_set_default_key(sdata, idx);
96 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
97 struct iw_request_info *info,
98 struct iw_point *data, char *extra)
100 struct ieee80211_sub_if_data *sdata;
102 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
104 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
107 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
108 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
109 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
112 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
113 ieee80211_sta_req_auth(dev, &sdata->u.sta);
120 static int ieee80211_ioctl_giwname(struct net_device *dev,
121 struct iw_request_info *info,
122 char *name, char *extra)
124 strcpy(name, "IEEE 802.11");
130 static int ieee80211_ioctl_giwrange(struct net_device *dev,
131 struct iw_request_info *info,
132 struct iw_point *data, char *extra)
134 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
135 struct iw_range *range = (struct iw_range *) extra;
136 enum ieee80211_band band;
139 data->length = sizeof(struct iw_range);
140 memset(range, 0, sizeof(struct iw_range));
142 range->we_version_compiled = WIRELESS_EXT;
143 range->we_version_source = 21;
144 range->retry_capa = IW_RETRY_LIMIT;
145 range->retry_flags = IW_RETRY_LIMIT;
146 range->min_retry = 0;
147 range->max_retry = 255;
149 range->max_rts = 2347;
150 range->min_frag = 256;
151 range->max_frag = 2346;
153 range->encoding_size[0] = 5;
154 range->encoding_size[1] = 13;
155 range->num_encoding_sizes = 2;
156 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
158 range->max_qual.qual = local->hw.max_signal;
159 range->max_qual.level = local->hw.max_rssi;
160 range->max_qual.noise = local->hw.max_noise;
161 range->max_qual.updated = local->wstats_flags;
163 range->avg_qual.qual = local->hw.max_signal/2;
164 range->avg_qual.level = 0;
165 range->avg_qual.noise = 0;
166 range->avg_qual.updated = local->wstats_flags;
168 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
169 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
172 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
174 struct ieee80211_supported_band *sband;
176 sband = local->hw.wiphy->bands[band];
181 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
182 struct ieee80211_channel *chan = &sband->channels[i];
184 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
186 ieee80211_frequency_to_channel(
188 range->freq[c].m = chan->center_freq;
189 range->freq[c].e = 6;
194 range->num_channels = c;
195 range->num_frequency = c;
197 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
198 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
199 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
200 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
202 range->scan_capa |= IW_SCAN_CAPA_ESSID;
208 static int ieee80211_ioctl_siwmode(struct net_device *dev,
209 struct iw_request_info *info,
210 __u32 *mode, char *extra)
212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
215 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
220 type = IEEE80211_IF_TYPE_STA;
223 type = IEEE80211_IF_TYPE_IBSS;
225 case IW_MODE_MONITOR:
226 type = IEEE80211_IF_TYPE_MNTR;
232 if (type == sdata->vif.type)
234 if (netif_running(dev))
237 ieee80211_if_reinit(dev);
238 ieee80211_if_set_type(dev, type);
244 static int ieee80211_ioctl_giwmode(struct net_device *dev,
245 struct iw_request_info *info,
246 __u32 *mode, char *extra)
248 struct ieee80211_sub_if_data *sdata;
250 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
251 switch (sdata->vif.type) {
252 case IEEE80211_IF_TYPE_AP:
253 *mode = IW_MODE_MASTER;
255 case IEEE80211_IF_TYPE_STA:
256 *mode = IW_MODE_INFRA;
258 case IEEE80211_IF_TYPE_IBSS:
259 *mode = IW_MODE_ADHOC;
261 case IEEE80211_IF_TYPE_MNTR:
262 *mode = IW_MODE_MONITOR;
264 case IEEE80211_IF_TYPE_WDS:
265 *mode = IW_MODE_REPEAT;
267 case IEEE80211_IF_TYPE_VLAN:
268 *mode = IW_MODE_SECOND; /* FIXME */
271 *mode = IW_MODE_AUTO;
277 int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
280 struct ieee80211_channel *chan;
282 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
284 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
285 local->oper_channel = chan;
287 if (local->sta_sw_scanning || local->sta_hw_scanning)
290 ret = ieee80211_hw_config(local);
292 rate_control_clear(local);
298 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
299 struct iw_request_info *info,
300 struct iw_freq *freq, char *extra)
302 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
305 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
306 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
308 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
311 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
312 sdata->u.sta.flags |=
313 IEEE80211_STA_AUTO_CHANNEL_SEL;
316 return ieee80211_set_freq(local,
317 ieee80211_channel_to_frequency(freq->m));
319 int i, div = 1000000;
320 for (i = 0; i < freq->e; i++)
323 return ieee80211_set_freq(local, freq->m / div);
330 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
331 struct iw_request_info *info,
332 struct iw_freq *freq, char *extra)
334 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
336 freq->m = local->hw.conf.channel->center_freq;
343 static int ieee80211_ioctl_siwessid(struct net_device *dev,
344 struct iw_request_info *info,
345 struct iw_point *data, char *ssid)
347 struct ieee80211_sub_if_data *sdata;
348 size_t len = data->length;
350 /* iwconfig uses nul termination in SSID.. */
351 if (len > 0 && ssid[len - 1] == '\0')
354 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
355 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
356 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
358 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
359 if (len > IEEE80211_MAX_SSID_LEN)
361 memcpy(sdata->u.sta.ssid, ssid, len);
362 sdata->u.sta.ssid_len = len;
366 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
368 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
369 ret = ieee80211_sta_set_ssid(dev, ssid, len);
372 ieee80211_sta_req_auth(dev, &sdata->u.sta);
376 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
377 memcpy(sdata->u.ap.ssid, ssid, len);
378 memset(sdata->u.ap.ssid + len, 0,
379 IEEE80211_MAX_SSID_LEN - len);
380 sdata->u.ap.ssid_len = len;
381 return ieee80211_if_config(dev);
387 static int ieee80211_ioctl_giwessid(struct net_device *dev,
388 struct iw_request_info *info,
389 struct iw_point *data, char *ssid)
393 struct ieee80211_sub_if_data *sdata;
394 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
395 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
396 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
397 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
406 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
407 len = sdata->u.ap.ssid_len;
408 if (len > IW_ESSID_MAX_SIZE)
409 len = IW_ESSID_MAX_SIZE;
410 memcpy(ssid, sdata->u.ap.ssid, len);
419 static int ieee80211_ioctl_siwap(struct net_device *dev,
420 struct iw_request_info *info,
421 struct sockaddr *ap_addr, char *extra)
423 struct ieee80211_sub_if_data *sdata;
425 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
426 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
427 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
429 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
430 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
434 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
435 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
436 IEEE80211_STA_AUTO_CHANNEL_SEL;
437 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
438 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
440 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
441 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
444 ieee80211_sta_req_auth(dev, &sdata->u.sta);
446 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
448 * If it is necessary to update the WDS peer address
449 * while the interface is running, then we need to do
450 * more work here, namely if it is running we need to
451 * add a new and remove the old STA entry, this is
452 * normally handled by _open() and _stop().
454 if (netif_running(dev))
457 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
467 static int ieee80211_ioctl_giwap(struct net_device *dev,
468 struct iw_request_info *info,
469 struct sockaddr *ap_addr, char *extra)
471 struct ieee80211_sub_if_data *sdata;
473 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
474 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
475 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
476 ap_addr->sa_family = ARPHRD_ETHER;
477 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
479 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
480 ap_addr->sa_family = ARPHRD_ETHER;
481 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
489 static int ieee80211_ioctl_siwscan(struct net_device *dev,
490 struct iw_request_info *info,
491 union iwreq_data *wrqu, char *extra)
493 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
494 struct iw_scan_req *req = NULL;
498 if (!netif_running(dev))
501 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
502 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
503 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
504 sdata->vif.type != IEEE80211_IF_TYPE_AP)
507 /* if SSID was specified explicitly then use that */
508 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
509 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
510 req = (struct iw_scan_req *)extra;
512 ssid_len = req->essid_len;
515 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
519 static int ieee80211_ioctl_giwscan(struct net_device *dev,
520 struct iw_request_info *info,
521 struct iw_point *data, char *extra)
524 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
526 if (local->sta_sw_scanning || local->sta_hw_scanning)
529 res = ieee80211_sta_scan_results(dev, extra, data->length);
539 static int ieee80211_ioctl_siwrate(struct net_device *dev,
540 struct iw_request_info *info,
541 struct iw_param *rate, char *extra)
543 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
544 int i, err = -EINVAL;
545 u32 target_rate = rate->value / 100000;
546 struct ieee80211_sub_if_data *sdata;
547 struct ieee80211_supported_band *sband;
549 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
553 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
555 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
556 * target_rate = X, rate->fixed = 1 means only rate X
557 * target_rate = X, rate->fixed = 0 means all rates <= X */
558 sdata->bss->max_ratectrl_rateidx = -1;
559 sdata->bss->force_unicast_rateidx = -1;
563 for (i=0; i< sband->n_bitrates; i++) {
564 struct ieee80211_rate *brate = &sband->bitrates[i];
565 int this_rate = brate->bitrate;
567 if (target_rate == this_rate) {
568 sdata->bss->max_ratectrl_rateidx = i;
570 sdata->bss->force_unicast_rateidx = i;
578 static int ieee80211_ioctl_giwrate(struct net_device *dev,
579 struct iw_request_info *info,
580 struct iw_param *rate, char *extra)
582 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
583 struct sta_info *sta;
584 struct ieee80211_sub_if_data *sdata;
585 struct ieee80211_supported_band *sband;
587 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
589 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
590 sta = sta_info_get(local, sdata->u.sta.bssid);
596 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
598 if (sta->txrate_idx < sband->n_bitrates)
599 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
602 rate->value *= 100000;
607 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
608 struct iw_request_info *info,
609 union iwreq_data *data, char *extra)
611 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
612 bool need_reconfig = 0;
615 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
617 if (data->txpower.flags & IW_TXPOW_RANGE)
620 if (data->txpower.fixed) {
621 new_power_level = data->txpower.value;
624 * Automatic power level. Use maximum power for the current
625 * channel. Should be part of rate control.
627 struct ieee80211_channel* chan = local->hw.conf.channel;
631 new_power_level = chan->max_power;
634 if (local->hw.conf.power_level != new_power_level) {
635 local->hw.conf.power_level = new_power_level;
639 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
640 local->hw.conf.radio_enabled = !(data->txpower.disabled);
642 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
646 ieee80211_hw_config(local);
647 /* The return value of hw_config is not of big interest here,
648 * as it doesn't say that it failed because of _this_ config
649 * change or something else. Ignore it. */
655 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
656 struct iw_request_info *info,
657 union iwreq_data *data, char *extra)
659 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
661 data->txpower.fixed = 1;
662 data->txpower.disabled = !(local->hw.conf.radio_enabled);
663 data->txpower.value = local->hw.conf.power_level;
664 data->txpower.flags = IW_TXPOW_DBM;
669 static int ieee80211_ioctl_siwrts(struct net_device *dev,
670 struct iw_request_info *info,
671 struct iw_param *rts, char *extra)
673 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
676 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
677 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
680 local->rts_threshold = rts->value;
682 /* If the wlan card performs RTS/CTS in hardware/firmware,
683 * configure it here */
685 if (local->ops->set_rts_threshold)
686 local->ops->set_rts_threshold(local_to_hw(local),
687 local->rts_threshold);
692 static int ieee80211_ioctl_giwrts(struct net_device *dev,
693 struct iw_request_info *info,
694 struct iw_param *rts, char *extra)
696 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
698 rts->value = local->rts_threshold;
699 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
706 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
707 struct iw_request_info *info,
708 struct iw_param *frag, char *extra)
710 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
713 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
714 else if (frag->value < 256 ||
715 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
718 /* Fragment length must be even, so strip LSB. */
719 local->fragmentation_threshold = frag->value & ~0x1;
722 /* If the wlan card performs fragmentation in hardware/firmware,
723 * configure it here */
725 if (local->ops->set_frag_threshold)
726 local->ops->set_frag_threshold(
728 local->fragmentation_threshold);
733 static int ieee80211_ioctl_giwfrag(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);
739 frag->value = local->fragmentation_threshold;
740 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
747 static int ieee80211_ioctl_siwretry(struct net_device *dev,
748 struct iw_request_info *info,
749 struct iw_param *retry, char *extra)
751 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
753 if (retry->disabled ||
754 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
757 if (retry->flags & IW_RETRY_MAX)
758 local->long_retry_limit = retry->value;
759 else if (retry->flags & IW_RETRY_MIN)
760 local->short_retry_limit = retry->value;
762 local->long_retry_limit = retry->value;
763 local->short_retry_limit = retry->value;
766 if (local->ops->set_retry_limit) {
767 return local->ops->set_retry_limit(
769 local->short_retry_limit,
770 local->long_retry_limit);
777 static int ieee80211_ioctl_giwretry(struct net_device *dev,
778 struct iw_request_info *info,
779 struct iw_param *retry, char *extra)
781 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
784 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
785 /* first return min value, iwconfig will ask max value
787 retry->flags |= IW_RETRY_LIMIT;
788 retry->value = local->short_retry_limit;
789 if (local->long_retry_limit != local->short_retry_limit)
790 retry->flags |= IW_RETRY_MIN;
793 if (retry->flags & IW_RETRY_MAX) {
794 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
795 retry->value = local->long_retry_limit;
801 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
802 struct iw_request_info *info,
803 struct iw_point *data, char *extra)
805 struct ieee80211_sub_if_data *sdata;
806 struct iw_mlme *mlme = (struct iw_mlme *) extra;
808 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
809 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
810 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
815 /* TODO: mlme->addr.sa_data */
816 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
817 case IW_MLME_DISASSOC:
818 /* TODO: mlme->addr.sa_data */
819 return ieee80211_sta_disassociate(dev, mlme->reason_code);
826 static int ieee80211_ioctl_siwencode(struct net_device *dev,
827 struct iw_request_info *info,
828 struct iw_point *erq, char *keybuf)
830 struct ieee80211_sub_if_data *sdata;
831 int idx, i, alg = ALG_WEP;
832 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
837 idx = erq->flags & IW_ENCODE_INDEX;
839 if (sdata->default_key)
840 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
841 if (sdata->default_key == sdata->keys[i]) {
846 } else if (idx < 1 || idx > 4)
851 if (erq->flags & IW_ENCODE_DISABLED)
853 else if (erq->length == 0) {
854 /* No key data - just set the default TX key index */
855 ieee80211_set_default_key(sdata, idx);
859 return ieee80211_set_encryption(
863 keybuf, erq->length);
867 static int ieee80211_ioctl_giwencode(struct net_device *dev,
868 struct iw_request_info *info,
869 struct iw_point *erq, char *key)
871 struct ieee80211_sub_if_data *sdata;
874 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
876 idx = erq->flags & IW_ENCODE_INDEX;
877 if (idx < 1 || idx > 4) {
879 if (!sdata->default_key)
881 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
882 if (sdata->default_key == sdata->keys[i]) {
892 erq->flags = idx + 1;
894 if (!sdata->keys[idx]) {
896 erq->flags |= IW_ENCODE_DISABLED;
900 memcpy(key, sdata->keys[idx]->conf.key,
901 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
902 erq->length = sdata->keys[idx]->conf.keylen;
903 erq->flags |= IW_ENCODE_ENABLED;
908 static int ieee80211_ioctl_siwauth(struct net_device *dev,
909 struct iw_request_info *info,
910 struct iw_param *data, char *extra)
912 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
915 switch (data->flags & IW_AUTH_INDEX) {
916 case IW_AUTH_WPA_VERSION:
917 case IW_AUTH_CIPHER_PAIRWISE:
918 case IW_AUTH_CIPHER_GROUP:
919 case IW_AUTH_WPA_ENABLED:
920 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
921 case IW_AUTH_KEY_MGMT:
923 case IW_AUTH_DROP_UNENCRYPTED:
924 sdata->drop_unencrypted = !!data->value;
926 case IW_AUTH_PRIVACY_INVOKED:
927 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
930 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
932 * Privacy invoked by wpa_supplicant, store the
933 * value and allow associating to a protected
934 * network without having a key up front.
937 sdata->u.sta.flags |=
938 IEEE80211_STA_PRIVACY_INVOKED;
941 case IW_AUTH_80211_AUTH_ALG:
942 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
943 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
944 sdata->u.sta.auth_algs = data->value;
955 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
956 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
958 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
959 struct iw_statistics *wstats = &local->wstats;
960 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
961 struct sta_info *sta = NULL;
963 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
964 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
965 sta = sta_info_get(local, sdata->u.sta.bssid);
967 wstats->discard.fragment = 0;
968 wstats->discard.misc = 0;
969 wstats->qual.qual = 0;
970 wstats->qual.level = 0;
971 wstats->qual.noise = 0;
972 wstats->qual.updated = IW_QUAL_ALL_INVALID;
974 wstats->qual.level = sta->last_rssi;
975 wstats->qual.qual = sta->last_signal;
976 wstats->qual.noise = sta->last_noise;
977 wstats->qual.updated = local->wstats_flags;
982 static int ieee80211_ioctl_giwauth(struct net_device *dev,
983 struct iw_request_info *info,
984 struct iw_param *data, char *extra)
986 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
989 switch (data->flags & IW_AUTH_INDEX) {
990 case IW_AUTH_80211_AUTH_ALG:
991 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
992 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
993 data->value = sdata->u.sta.auth_algs;
1005 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1006 struct iw_request_info *info,
1007 struct iw_point *erq, char *extra)
1009 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1010 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1011 int uninitialized_var(alg), idx, i, remove = 0;
1014 case IW_ENCODE_ALG_NONE:
1017 case IW_ENCODE_ALG_WEP:
1020 case IW_ENCODE_ALG_TKIP:
1023 case IW_ENCODE_ALG_CCMP:
1030 if (erq->flags & IW_ENCODE_DISABLED)
1033 idx = erq->flags & IW_ENCODE_INDEX;
1034 if (idx < 1 || idx > 4) {
1036 if (!sdata->default_key)
1038 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1039 if (sdata->default_key == sdata->keys[i]) {
1049 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1052 IW_ENCODE_EXT_SET_TX_KEY,
1053 ext->key, ext->key_len);
1057 /* Structures to export the Wireless Handlers */
1059 static const iw_handler ieee80211_handler[] =
1061 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1062 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1063 (iw_handler) NULL, /* SIOCSIWNWID */
1064 (iw_handler) NULL, /* SIOCGIWNWID */
1065 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1066 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1067 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1068 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1069 (iw_handler) NULL, /* SIOCSIWSENS */
1070 (iw_handler) NULL, /* SIOCGIWSENS */
1071 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1072 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1073 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1074 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1075 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1076 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1077 (iw_handler) NULL, /* SIOCSIWSPY */
1078 (iw_handler) NULL, /* SIOCGIWSPY */
1079 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1080 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1081 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1082 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1083 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1084 (iw_handler) NULL, /* SIOCGIWAPLIST */
1085 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1086 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1087 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1088 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1089 (iw_handler) NULL, /* SIOCSIWNICKN */
1090 (iw_handler) NULL, /* SIOCGIWNICKN */
1091 (iw_handler) NULL, /* -- hole -- */
1092 (iw_handler) NULL, /* -- hole -- */
1093 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1094 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1095 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1096 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1097 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1098 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1099 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1100 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1101 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1102 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1103 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1104 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1105 (iw_handler) NULL, /* SIOCSIWPOWER */
1106 (iw_handler) NULL, /* SIOCGIWPOWER */
1107 (iw_handler) NULL, /* -- hole -- */
1108 (iw_handler) NULL, /* -- hole -- */
1109 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1110 (iw_handler) NULL, /* SIOCGIWGENIE */
1111 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1112 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1113 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1114 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1115 (iw_handler) NULL, /* SIOCSIWPMKSA */
1116 (iw_handler) NULL, /* -- hole -- */
1119 const struct iw_handler_def ieee80211_iw_handler_def =
1121 .num_standard = ARRAY_SIZE(ieee80211_handler),
1122 .standard = (iw_handler *) ieee80211_handler,
1123 .get_wireless_stats = ieee80211_get_wireless_stats,