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 ieee80211_sub_if_data *sdata, u8 *sta_addr,
31 int idx, int alg, int remove,
32 int set_tx_key, const u8 *_key,
35 struct ieee80211_local *local = sdata->local;
37 struct ieee80211_key *key;
40 if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
41 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
42 sdata->dev->name, idx);
51 if (is_broadcast_ether_addr(sta_addr)) {
52 key = sdata->keys[idx];
54 sta = sta_info_get(local, sta_addr);
62 ieee80211_key_free(key);
64 key = ieee80211_key_alloc(alg, idx, key_len, _key);
73 if (!is_broadcast_ether_addr(sta_addr)) {
76 * According to the standard, the key index of a
77 * pairwise key must be zero. However, some AP are
78 * broken when it comes to WEP key indices, so we
81 if (idx != 0 && alg != ALG_WEP) {
82 ieee80211_key_free(key);
87 sta = sta_info_get(local, sta_addr);
89 ieee80211_key_free(key);
96 key_len != LEN_WEP40 && key_len != LEN_WEP104) {
97 ieee80211_key_free(key);
102 ieee80211_key_link(key, sdata, sta);
104 if (set_tx_key || (!sta && !sdata->default_key && key))
105 ieee80211_set_default_key(sdata, idx);
114 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
115 struct iw_request_info *info,
116 struct iw_point *data, char *extra)
118 struct ieee80211_sub_if_data *sdata;
120 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
122 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
125 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
126 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
127 int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
130 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
131 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
138 static int ieee80211_ioctl_giwname(struct net_device *dev,
139 struct iw_request_info *info,
140 char *name, char *extra)
142 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
143 struct ieee80211_supported_band *sband;
144 u8 is_ht = 0, is_a = 0, is_b = 0, is_g = 0;
147 sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ];
150 is_ht |= sband->ht_info.ht_supported;
153 sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ];
156 /* Check for mandatory rates */
157 for (i = 0; i < sband->n_bitrates; i++) {
158 if (sband->bitrates[i].bitrate == 10)
160 if (sband->bitrates[i].bitrate == 60)
163 is_ht |= sband->ht_info.ht_supported;
166 strcpy(name, "IEEE 802.11");
180 static int ieee80211_ioctl_giwrange(struct net_device *dev,
181 struct iw_request_info *info,
182 struct iw_point *data, char *extra)
184 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
185 struct iw_range *range = (struct iw_range *) extra;
186 enum ieee80211_band band;
189 data->length = sizeof(struct iw_range);
190 memset(range, 0, sizeof(struct iw_range));
192 range->we_version_compiled = WIRELESS_EXT;
193 range->we_version_source = 21;
194 range->retry_capa = IW_RETRY_LIMIT;
195 range->retry_flags = IW_RETRY_LIMIT;
196 range->min_retry = 0;
197 range->max_retry = 255;
199 range->max_rts = 2347;
200 range->min_frag = 256;
201 range->max_frag = 2346;
203 range->encoding_size[0] = 5;
204 range->encoding_size[1] = 13;
205 range->num_encoding_sizes = 2;
206 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
208 if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC ||
209 local->hw.flags & IEEE80211_HW_SIGNAL_DB)
210 range->max_qual.level = local->hw.max_signal;
211 else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
212 range->max_qual.level = -110;
214 range->max_qual.level = 0;
216 if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
217 range->max_qual.noise = -110;
219 range->max_qual.noise = 0;
221 range->max_qual.qual = 100;
222 range->max_qual.updated = local->wstats_flags;
224 range->avg_qual.qual = 50;
225 /* not always true but better than nothing */
226 range->avg_qual.level = range->max_qual.level / 2;
227 range->avg_qual.noise = range->max_qual.noise / 2;
228 range->avg_qual.updated = local->wstats_flags;
230 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
231 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
234 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
236 struct ieee80211_supported_band *sband;
238 sband = local->hw.wiphy->bands[band];
243 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
244 struct ieee80211_channel *chan = &sband->channels[i];
246 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
248 ieee80211_frequency_to_channel(
250 range->freq[c].m = chan->center_freq;
251 range->freq[c].e = 6;
256 range->num_channels = c;
257 range->num_frequency = c;
259 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
260 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
261 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
263 range->scan_capa |= IW_SCAN_CAPA_ESSID;
269 static int ieee80211_ioctl_siwmode(struct net_device *dev,
270 struct iw_request_info *info,
271 __u32 *mode, char *extra)
273 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
276 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
281 type = IEEE80211_IF_TYPE_STA;
284 type = IEEE80211_IF_TYPE_IBSS;
287 type = IEEE80211_IF_TYPE_WDS;
289 case IW_MODE_MONITOR:
290 type = IEEE80211_IF_TYPE_MNTR;
296 return ieee80211_if_change_type(sdata, type);
300 static int ieee80211_ioctl_giwmode(struct net_device *dev,
301 struct iw_request_info *info,
302 __u32 *mode, char *extra)
304 struct ieee80211_sub_if_data *sdata;
306 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
307 switch (sdata->vif.type) {
308 case IEEE80211_IF_TYPE_AP:
309 *mode = IW_MODE_MASTER;
311 case IEEE80211_IF_TYPE_STA:
312 *mode = IW_MODE_INFRA;
314 case IEEE80211_IF_TYPE_IBSS:
315 *mode = IW_MODE_ADHOC;
317 case IEEE80211_IF_TYPE_MNTR:
318 *mode = IW_MODE_MONITOR;
320 case IEEE80211_IF_TYPE_WDS:
321 *mode = IW_MODE_REPEAT;
323 case IEEE80211_IF_TYPE_VLAN:
324 *mode = IW_MODE_SECOND; /* FIXME */
327 *mode = IW_MODE_AUTO;
333 int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
336 struct ieee80211_channel *chan;
337 struct ieee80211_local *local = sdata->local;
339 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
341 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
342 if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
343 chan->flags & IEEE80211_CHAN_NO_IBSS) {
344 printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
345 "%d MHz\n", sdata->dev->name, chan->center_freq);
348 local->oper_channel = chan;
350 if (local->sta_sw_scanning || local->sta_hw_scanning)
353 ret = ieee80211_hw_config(local);
355 rate_control_clear(local);
361 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
362 struct iw_request_info *info,
363 struct iw_freq *freq, char *extra)
365 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
367 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
368 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
370 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
373 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
374 sdata->u.sta.flags |=
375 IEEE80211_STA_AUTO_CHANNEL_SEL;
378 return ieee80211_set_freq(sdata,
379 ieee80211_channel_to_frequency(freq->m));
381 int i, div = 1000000;
382 for (i = 0; i < freq->e; i++)
385 return ieee80211_set_freq(sdata, freq->m / div);
392 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
393 struct iw_request_info *info,
394 struct iw_freq *freq, char *extra)
396 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
398 freq->m = local->hw.conf.channel->center_freq;
405 static int ieee80211_ioctl_siwessid(struct net_device *dev,
406 struct iw_request_info *info,
407 struct iw_point *data, char *ssid)
409 struct ieee80211_sub_if_data *sdata;
410 size_t len = data->length;
412 /* iwconfig uses nul termination in SSID.. */
413 if (len > 0 && ssid[len - 1] == '\0')
416 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
417 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
418 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
420 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
421 if (len > IEEE80211_MAX_SSID_LEN)
423 memcpy(sdata->u.sta.ssid, ssid, len);
424 sdata->u.sta.ssid_len = len;
428 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
430 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
431 ret = ieee80211_sta_set_ssid(sdata, ssid, len);
434 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
438 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
439 memcpy(sdata->u.ap.ssid, ssid, len);
440 memset(sdata->u.ap.ssid + len, 0,
441 IEEE80211_MAX_SSID_LEN - len);
442 sdata->u.ap.ssid_len = len;
443 return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
449 static int ieee80211_ioctl_giwessid(struct net_device *dev,
450 struct iw_request_info *info,
451 struct iw_point *data, char *ssid)
455 struct ieee80211_sub_if_data *sdata;
456 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
457 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
458 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
459 int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
468 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
469 len = sdata->u.ap.ssid_len;
470 if (len > IW_ESSID_MAX_SIZE)
471 len = IW_ESSID_MAX_SIZE;
472 memcpy(ssid, sdata->u.ap.ssid, len);
481 static int ieee80211_ioctl_siwap(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) {
491 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
492 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
496 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
497 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
498 IEEE80211_STA_AUTO_CHANNEL_SEL;
499 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
500 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
502 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
503 ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
506 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
508 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
510 * If it is necessary to update the WDS peer address
511 * while the interface is running, then we need to do
512 * more work here, namely if it is running we need to
513 * add a new and remove the old STA entry, this is
514 * normally handled by _open() and _stop().
516 if (netif_running(dev))
519 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
529 static int ieee80211_ioctl_giwap(struct net_device *dev,
530 struct iw_request_info *info,
531 struct sockaddr *ap_addr, char *extra)
533 struct ieee80211_sub_if_data *sdata;
535 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
536 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
537 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
538 if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
539 sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
540 ap_addr->sa_family = ARPHRD_ETHER;
541 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
544 memset(&ap_addr->sa_data, 0, ETH_ALEN);
547 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
548 ap_addr->sa_family = ARPHRD_ETHER;
549 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
557 static int ieee80211_ioctl_siwscan(struct net_device *dev,
558 struct iw_request_info *info,
559 union iwreq_data *wrqu, char *extra)
561 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
562 struct iw_scan_req *req = NULL;
566 if (!netif_running(dev))
569 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
570 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
571 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
572 sdata->vif.type != IEEE80211_IF_TYPE_AP)
575 /* if SSID was specified explicitly then use that */
576 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
577 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
578 req = (struct iw_scan_req *)extra;
580 ssid_len = req->essid_len;
583 return ieee80211_sta_req_scan(sdata, ssid, ssid_len);
587 static int ieee80211_ioctl_giwscan(struct net_device *dev,
588 struct iw_request_info *info,
589 struct iw_point *data, char *extra)
592 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
593 struct ieee80211_sub_if_data *sdata;
595 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
597 if (local->sta_sw_scanning || local->sta_hw_scanning)
600 res = ieee80211_sta_scan_results(local, info, extra, data->length);
610 static int ieee80211_ioctl_siwrate(struct net_device *dev,
611 struct iw_request_info *info,
612 struct iw_param *rate, char *extra)
614 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
615 int i, err = -EINVAL;
616 u32 target_rate = rate->value / 100000;
617 struct ieee80211_sub_if_data *sdata;
618 struct ieee80211_supported_band *sband;
620 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
622 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
624 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
625 * target_rate = X, rate->fixed = 1 means only rate X
626 * target_rate = X, rate->fixed = 0 means all rates <= X */
627 sdata->max_ratectrl_rateidx = -1;
628 sdata->force_unicast_rateidx = -1;
632 for (i=0; i< sband->n_bitrates; i++) {
633 struct ieee80211_rate *brate = &sband->bitrates[i];
634 int this_rate = brate->bitrate;
636 if (target_rate == this_rate) {
637 sdata->max_ratectrl_rateidx = i;
639 sdata->force_unicast_rateidx = i;
647 static int ieee80211_ioctl_giwrate(struct net_device *dev,
648 struct iw_request_info *info,
649 struct iw_param *rate, char *extra)
651 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
652 struct sta_info *sta;
653 struct ieee80211_sub_if_data *sdata;
654 struct ieee80211_supported_band *sband;
656 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
658 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
661 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
665 sta = sta_info_get(local, sdata->u.sta.bssid);
667 if (sta && sta->txrate_idx < sband->n_bitrates)
668 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
677 rate->value *= 100000;
682 static int ieee80211_ioctl_siwtxpower(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);
687 bool need_reconfig = 0;
690 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
692 if (data->txpower.flags & IW_TXPOW_RANGE)
695 if (data->txpower.fixed) {
696 new_power_level = data->txpower.value;
699 * Automatic power level. Use maximum power for the current
700 * channel. Should be part of rate control.
702 struct ieee80211_channel* chan = local->hw.conf.channel;
706 new_power_level = chan->max_power;
709 if (local->hw.conf.power_level != new_power_level) {
710 local->hw.conf.power_level = new_power_level;
714 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
715 local->hw.conf.radio_enabled = !(data->txpower.disabled);
717 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
721 ieee80211_hw_config(local);
722 /* The return value of hw_config is not of big interest here,
723 * as it doesn't say that it failed because of _this_ config
724 * change or something else. Ignore it. */
730 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
731 struct iw_request_info *info,
732 union iwreq_data *data, char *extra)
734 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
736 data->txpower.fixed = 1;
737 data->txpower.disabled = !(local->hw.conf.radio_enabled);
738 data->txpower.value = local->hw.conf.power_level;
739 data->txpower.flags = IW_TXPOW_DBM;
744 static int ieee80211_ioctl_siwrts(struct net_device *dev,
745 struct iw_request_info *info,
746 struct iw_param *rts, char *extra)
748 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
751 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
752 else if (!rts->fixed)
753 /* if the rts value is not fixed, then take default */
754 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
755 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
758 local->rts_threshold = rts->value;
760 /* If the wlan card performs RTS/CTS in hardware/firmware,
761 * configure it here */
763 if (local->ops->set_rts_threshold)
764 local->ops->set_rts_threshold(local_to_hw(local),
765 local->rts_threshold);
770 static int ieee80211_ioctl_giwrts(struct net_device *dev,
771 struct iw_request_info *info,
772 struct iw_param *rts, char *extra)
774 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
776 rts->value = local->rts_threshold;
777 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
784 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
785 struct iw_request_info *info,
786 struct iw_param *frag, char *extra)
788 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
791 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
792 else if (!frag->fixed)
793 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
794 else if (frag->value < 256 ||
795 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
798 /* Fragment length must be even, so strip LSB. */
799 local->fragmentation_threshold = frag->value & ~0x1;
802 /* If the wlan card performs fragmentation in hardware/firmware,
803 * configure it here */
805 if (local->ops->set_frag_threshold)
806 local->ops->set_frag_threshold(
808 local->fragmentation_threshold);
813 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
814 struct iw_request_info *info,
815 struct iw_param *frag, char *extra)
817 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
819 frag->value = local->fragmentation_threshold;
820 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
827 static int ieee80211_ioctl_siwretry(struct net_device *dev,
828 struct iw_request_info *info,
829 struct iw_param *retry, char *extra)
831 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
833 if (retry->disabled ||
834 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
837 if (retry->flags & IW_RETRY_MAX)
838 local->long_retry_limit = retry->value;
839 else if (retry->flags & IW_RETRY_MIN)
840 local->short_retry_limit = retry->value;
842 local->long_retry_limit = retry->value;
843 local->short_retry_limit = retry->value;
846 if (local->ops->set_retry_limit) {
847 return local->ops->set_retry_limit(
849 local->short_retry_limit,
850 local->long_retry_limit);
857 static int ieee80211_ioctl_giwretry(struct net_device *dev,
858 struct iw_request_info *info,
859 struct iw_param *retry, char *extra)
861 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
864 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
865 /* first return min value, iwconfig will ask max value
867 retry->flags |= IW_RETRY_LIMIT;
868 retry->value = local->short_retry_limit;
869 if (local->long_retry_limit != local->short_retry_limit)
870 retry->flags |= IW_RETRY_MIN;
873 if (retry->flags & IW_RETRY_MAX) {
874 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
875 retry->value = local->long_retry_limit;
881 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
882 struct iw_request_info *info,
883 struct iw_point *data, char *extra)
885 struct ieee80211_sub_if_data *sdata;
886 struct iw_mlme *mlme = (struct iw_mlme *) extra;
888 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
890 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
895 /* TODO: mlme->addr.sa_data */
896 return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
897 case IW_MLME_DISASSOC:
898 /* TODO: mlme->addr.sa_data */
899 return ieee80211_sta_disassociate(sdata, mlme->reason_code);
906 static int ieee80211_ioctl_siwencode(struct net_device *dev,
907 struct iw_request_info *info,
908 struct iw_point *erq, char *keybuf)
910 struct ieee80211_sub_if_data *sdata;
911 int idx, i, alg = ALG_WEP;
912 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
915 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
917 idx = erq->flags & IW_ENCODE_INDEX;
919 if (sdata->default_key)
920 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
921 if (sdata->default_key == sdata->keys[i]) {
926 } else if (idx < 1 || idx > 4)
931 if (erq->flags & IW_ENCODE_DISABLED)
933 else if (erq->length == 0) {
934 /* No key data - just set the default TX key index */
935 ieee80211_set_default_key(sdata, idx);
939 return ieee80211_set_encryption(
943 keybuf, erq->length);
947 static int ieee80211_ioctl_giwencode(struct net_device *dev,
948 struct iw_request_info *info,
949 struct iw_point *erq, char *key)
951 struct ieee80211_sub_if_data *sdata;
954 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
956 idx = erq->flags & IW_ENCODE_INDEX;
957 if (idx < 1 || idx > 4) {
959 if (!sdata->default_key)
961 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
962 if (sdata->default_key == sdata->keys[i]) {
972 erq->flags = idx + 1;
974 if (!sdata->keys[idx]) {
976 erq->flags |= IW_ENCODE_DISABLED;
980 memcpy(key, sdata->keys[idx]->conf.key,
981 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
982 erq->length = sdata->keys[idx]->conf.keylen;
983 erq->flags |= IW_ENCODE_ENABLED;
985 if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
986 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
987 switch (ifsta->auth_alg) {
990 erq->flags |= IW_ENCODE_OPEN;
992 case WLAN_AUTH_SHARED_KEY:
993 erq->flags |= IW_ENCODE_RESTRICTED;
1001 static int ieee80211_ioctl_siwpower(struct net_device *dev,
1002 struct iw_request_info *info,
1003 struct iw_param *wrq,
1006 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1007 struct ieee80211_conf *conf = &local->hw.conf;
1009 if (wrq->disabled) {
1010 conf->flags &= ~IEEE80211_CONF_PS;
1011 return ieee80211_hw_config(local);
1014 switch (wrq->flags & IW_POWER_MODE) {
1015 case IW_POWER_ON: /* If not specified */
1016 case IW_POWER_MODE: /* If set all mask */
1017 case IW_POWER_ALL_R: /* If explicitely state all */
1018 conf->flags |= IEEE80211_CONF_PS;
1020 default: /* Otherwise we don't support it */
1024 return ieee80211_hw_config(local);
1027 static int ieee80211_ioctl_giwpower(struct net_device *dev,
1028 struct iw_request_info *info,
1029 union iwreq_data *wrqu,
1032 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1033 struct ieee80211_conf *conf = &local->hw.conf;
1035 wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
1040 static int ieee80211_ioctl_siwauth(struct net_device *dev,
1041 struct iw_request_info *info,
1042 struct iw_param *data, char *extra)
1044 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1047 switch (data->flags & IW_AUTH_INDEX) {
1048 case IW_AUTH_WPA_VERSION:
1049 case IW_AUTH_CIPHER_PAIRWISE:
1050 case IW_AUTH_CIPHER_GROUP:
1051 case IW_AUTH_WPA_ENABLED:
1052 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1053 case IW_AUTH_KEY_MGMT:
1055 case IW_AUTH_DROP_UNENCRYPTED:
1056 sdata->drop_unencrypted = !!data->value;
1058 case IW_AUTH_PRIVACY_INVOKED:
1059 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
1062 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
1064 * Privacy invoked by wpa_supplicant, store the
1065 * value and allow associating to a protected
1066 * network without having a key up front.
1069 sdata->u.sta.flags |=
1070 IEEE80211_STA_PRIVACY_INVOKED;
1073 case IW_AUTH_80211_AUTH_ALG:
1074 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1075 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1076 sdata->u.sta.auth_algs = data->value;
1087 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1088 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1090 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1091 struct iw_statistics *wstats = &local->wstats;
1092 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1093 struct sta_info *sta = NULL;
1097 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1098 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1099 sta = sta_info_get(local, sdata->u.sta.bssid);
1101 wstats->discard.fragment = 0;
1102 wstats->discard.misc = 0;
1103 wstats->qual.qual = 0;
1104 wstats->qual.level = 0;
1105 wstats->qual.noise = 0;
1106 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1108 wstats->qual.level = sta->last_signal;
1109 wstats->qual.qual = sta->last_qual;
1110 wstats->qual.noise = sta->last_noise;
1111 wstats->qual.updated = local->wstats_flags;
1119 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1120 struct iw_request_info *info,
1121 struct iw_param *data, char *extra)
1123 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1126 switch (data->flags & IW_AUTH_INDEX) {
1127 case IW_AUTH_80211_AUTH_ALG:
1128 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1129 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1130 data->value = sdata->u.sta.auth_algs;
1142 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1143 struct iw_request_info *info,
1144 struct iw_point *erq, char *extra)
1146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1147 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1148 int uninitialized_var(alg), idx, i, remove = 0;
1151 case IW_ENCODE_ALG_NONE:
1154 case IW_ENCODE_ALG_WEP:
1157 case IW_ENCODE_ALG_TKIP:
1160 case IW_ENCODE_ALG_CCMP:
1167 if (erq->flags & IW_ENCODE_DISABLED)
1170 idx = erq->flags & IW_ENCODE_INDEX;
1171 if (idx < 1 || idx > 4) {
1173 if (!sdata->default_key)
1175 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1176 if (sdata->default_key == sdata->keys[i]) {
1186 return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
1189 IW_ENCODE_EXT_SET_TX_KEY,
1190 ext->key, ext->key_len);
1194 /* Structures to export the Wireless Handlers */
1196 static const iw_handler ieee80211_handler[] =
1198 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1199 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1200 (iw_handler) NULL, /* SIOCSIWNWID */
1201 (iw_handler) NULL, /* SIOCGIWNWID */
1202 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1203 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1204 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1205 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1206 (iw_handler) NULL, /* SIOCSIWSENS */
1207 (iw_handler) NULL, /* SIOCGIWSENS */
1208 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1209 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1210 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1211 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1212 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1213 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1214 (iw_handler) NULL, /* SIOCSIWSPY */
1215 (iw_handler) NULL, /* SIOCGIWSPY */
1216 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1217 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1218 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1219 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1220 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1221 (iw_handler) NULL, /* SIOCGIWAPLIST */
1222 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1223 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1224 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1225 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1226 (iw_handler) NULL, /* SIOCSIWNICKN */
1227 (iw_handler) NULL, /* SIOCGIWNICKN */
1228 (iw_handler) NULL, /* -- hole -- */
1229 (iw_handler) NULL, /* -- hole -- */
1230 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1231 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1232 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1233 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1234 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1235 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1236 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1237 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1238 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1239 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1240 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1241 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1242 (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
1243 (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
1244 (iw_handler) NULL, /* -- hole -- */
1245 (iw_handler) NULL, /* -- hole -- */
1246 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1247 (iw_handler) NULL, /* SIOCGIWGENIE */
1248 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1249 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1250 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1251 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1252 (iw_handler) NULL, /* SIOCSIWPMKSA */
1253 (iw_handler) NULL, /* -- hole -- */
1256 const struct iw_handler_def ieee80211_iw_handler_def =
1258 .num_standard = ARRAY_SIZE(ieee80211_handler),
1259 .standard = (iw_handler *) ieee80211_handler,
1260 .get_wireless_stats = ieee80211_get_wireless_stats,