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 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
146 struct ieee80211_supported_band *sband;
147 u8 is_ht = 0, is_a = 0, is_b = 0, is_g = 0;
150 sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ];
153 is_ht |= sband->ht_info.ht_supported;
156 sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ];
159 /* Check for mandatory rates */
160 for (i = 0; i < sband->n_bitrates; i++) {
161 if (sband->bitrates[i].bitrate == 10)
163 if (sband->bitrates[i].bitrate == 60)
166 is_ht |= sband->ht_info.ht_supported;
169 strcpy(name, "IEEE 802.11");
183 static int ieee80211_ioctl_giwrange(struct net_device *dev,
184 struct iw_request_info *info,
185 struct iw_point *data, char *extra)
187 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
188 struct iw_range *range = (struct iw_range *) extra;
189 enum ieee80211_band band;
192 data->length = sizeof(struct iw_range);
193 memset(range, 0, sizeof(struct iw_range));
195 range->we_version_compiled = WIRELESS_EXT;
196 range->we_version_source = 21;
197 range->retry_capa = IW_RETRY_LIMIT;
198 range->retry_flags = IW_RETRY_LIMIT;
199 range->min_retry = 0;
200 range->max_retry = 255;
202 range->max_rts = 2347;
203 range->min_frag = 256;
204 range->max_frag = 2346;
206 range->encoding_size[0] = 5;
207 range->encoding_size[1] = 13;
208 range->num_encoding_sizes = 2;
209 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
211 if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC ||
212 local->hw.flags & IEEE80211_HW_SIGNAL_DB)
213 range->max_qual.level = local->hw.max_signal;
214 else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
215 range->max_qual.level = -110;
217 range->max_qual.level = 0;
219 if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
220 range->max_qual.noise = -110;
222 range->max_qual.noise = 0;
224 range->max_qual.qual = 100;
225 range->max_qual.updated = local->wstats_flags;
227 range->avg_qual.qual = 50;
228 /* not always true but better than nothing */
229 range->avg_qual.level = range->max_qual.level / 2;
230 range->avg_qual.noise = range->max_qual.noise / 2;
231 range->avg_qual.updated = local->wstats_flags;
233 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
234 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
237 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
239 struct ieee80211_supported_band *sband;
241 sband = local->hw.wiphy->bands[band];
246 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
247 struct ieee80211_channel *chan = &sband->channels[i];
249 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
251 ieee80211_frequency_to_channel(
253 range->freq[c].m = chan->center_freq;
254 range->freq[c].e = 6;
259 range->num_channels = c;
260 range->num_frequency = c;
262 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
263 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
264 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
266 range->scan_capa |= IW_SCAN_CAPA_ESSID;
272 static int ieee80211_ioctl_siwmode(struct net_device *dev,
273 struct iw_request_info *info,
274 __u32 *mode, char *extra)
276 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
279 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
284 type = IEEE80211_IF_TYPE_STA;
287 type = IEEE80211_IF_TYPE_IBSS;
290 type = IEEE80211_IF_TYPE_WDS;
292 case IW_MODE_MONITOR:
293 type = IEEE80211_IF_TYPE_MNTR;
299 if (type == sdata->vif.type)
301 if (netif_running(dev))
304 ieee80211_if_reinit(dev);
305 ieee80211_if_set_type(dev, type);
311 static int ieee80211_ioctl_giwmode(struct net_device *dev,
312 struct iw_request_info *info,
313 __u32 *mode, char *extra)
315 struct ieee80211_sub_if_data *sdata;
317 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
318 switch (sdata->vif.type) {
319 case IEEE80211_IF_TYPE_AP:
320 *mode = IW_MODE_MASTER;
322 case IEEE80211_IF_TYPE_STA:
323 *mode = IW_MODE_INFRA;
325 case IEEE80211_IF_TYPE_IBSS:
326 *mode = IW_MODE_ADHOC;
328 case IEEE80211_IF_TYPE_MNTR:
329 *mode = IW_MODE_MONITOR;
331 case IEEE80211_IF_TYPE_WDS:
332 *mode = IW_MODE_REPEAT;
334 case IEEE80211_IF_TYPE_VLAN:
335 *mode = IW_MODE_SECOND; /* FIXME */
338 *mode = IW_MODE_AUTO;
344 int ieee80211_set_freq(struct net_device *dev, int freqMHz)
347 struct ieee80211_channel *chan;
348 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
349 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
351 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
353 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
354 if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
355 chan->flags & IEEE80211_CHAN_NO_IBSS) {
356 printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
357 "%d MHz\n", dev->name, chan->center_freq);
360 local->oper_channel = chan;
362 if (local->sta_sw_scanning || local->sta_hw_scanning)
365 ret = ieee80211_hw_config(local);
367 rate_control_clear(local);
373 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
374 struct iw_request_info *info,
375 struct iw_freq *freq, char *extra)
377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
379 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
380 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
382 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
385 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
386 sdata->u.sta.flags |=
387 IEEE80211_STA_AUTO_CHANNEL_SEL;
390 return ieee80211_set_freq(dev,
391 ieee80211_channel_to_frequency(freq->m));
393 int i, div = 1000000;
394 for (i = 0; i < freq->e; i++)
397 return ieee80211_set_freq(dev, freq->m / div);
404 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
405 struct iw_request_info *info,
406 struct iw_freq *freq, char *extra)
408 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
410 freq->m = local->hw.conf.channel->center_freq;
417 static int ieee80211_ioctl_siwessid(struct net_device *dev,
418 struct iw_request_info *info,
419 struct iw_point *data, char *ssid)
421 struct ieee80211_sub_if_data *sdata;
422 size_t len = data->length;
424 /* iwconfig uses nul termination in SSID.. */
425 if (len > 0 && ssid[len - 1] == '\0')
428 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
429 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
430 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
432 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
433 if (len > IEEE80211_MAX_SSID_LEN)
435 memcpy(sdata->u.sta.ssid, ssid, len);
436 sdata->u.sta.ssid_len = len;
440 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
442 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
443 ret = ieee80211_sta_set_ssid(dev, ssid, len);
446 ieee80211_sta_req_auth(dev, &sdata->u.sta);
450 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
451 memcpy(sdata->u.ap.ssid, ssid, len);
452 memset(sdata->u.ap.ssid + len, 0,
453 IEEE80211_MAX_SSID_LEN - len);
454 sdata->u.ap.ssid_len = len;
455 return ieee80211_if_config(dev);
461 static int ieee80211_ioctl_giwessid(struct net_device *dev,
462 struct iw_request_info *info,
463 struct iw_point *data, char *ssid)
467 struct ieee80211_sub_if_data *sdata;
468 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
469 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
470 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
471 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
480 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
481 len = sdata->u.ap.ssid_len;
482 if (len > IW_ESSID_MAX_SIZE)
483 len = IW_ESSID_MAX_SIZE;
484 memcpy(ssid, sdata->u.ap.ssid, len);
493 static int ieee80211_ioctl_siwap(struct net_device *dev,
494 struct iw_request_info *info,
495 struct sockaddr *ap_addr, char *extra)
497 struct ieee80211_sub_if_data *sdata;
499 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
500 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
501 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
503 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
504 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
508 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
509 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
510 IEEE80211_STA_AUTO_CHANNEL_SEL;
511 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
512 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
514 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
515 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
518 ieee80211_sta_req_auth(dev, &sdata->u.sta);
520 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
522 * If it is necessary to update the WDS peer address
523 * while the interface is running, then we need to do
524 * more work here, namely if it is running we need to
525 * add a new and remove the old STA entry, this is
526 * normally handled by _open() and _stop().
528 if (netif_running(dev))
531 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
541 static int ieee80211_ioctl_giwap(struct net_device *dev,
542 struct iw_request_info *info,
543 struct sockaddr *ap_addr, char *extra)
545 struct ieee80211_sub_if_data *sdata;
547 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
548 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
549 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
550 if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
551 sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
552 ap_addr->sa_family = ARPHRD_ETHER;
553 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
556 memset(&ap_addr->sa_data, 0, ETH_ALEN);
559 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
560 ap_addr->sa_family = ARPHRD_ETHER;
561 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
569 static int ieee80211_ioctl_siwscan(struct net_device *dev,
570 struct iw_request_info *info,
571 union iwreq_data *wrqu, char *extra)
573 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
574 struct iw_scan_req *req = NULL;
578 if (!netif_running(dev))
581 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
582 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
583 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
584 sdata->vif.type != IEEE80211_IF_TYPE_AP)
587 /* if SSID was specified explicitly then use that */
588 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
589 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
590 req = (struct iw_scan_req *)extra;
592 ssid_len = req->essid_len;
595 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
599 static int ieee80211_ioctl_giwscan(struct net_device *dev,
600 struct iw_request_info *info,
601 struct iw_point *data, char *extra)
604 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
606 if (local->sta_sw_scanning || local->sta_hw_scanning)
609 res = ieee80211_sta_scan_results(dev, info, extra, data->length);
619 static int ieee80211_ioctl_siwrate(struct net_device *dev,
620 struct iw_request_info *info,
621 struct iw_param *rate, char *extra)
623 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
624 int i, err = -EINVAL;
625 u32 target_rate = rate->value / 100000;
626 struct ieee80211_sub_if_data *sdata;
627 struct ieee80211_supported_band *sband;
629 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
631 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
633 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
634 * target_rate = X, rate->fixed = 1 means only rate X
635 * target_rate = X, rate->fixed = 0 means all rates <= X */
636 sdata->max_ratectrl_rateidx = -1;
637 sdata->force_unicast_rateidx = -1;
641 for (i=0; i< sband->n_bitrates; i++) {
642 struct ieee80211_rate *brate = &sband->bitrates[i];
643 int this_rate = brate->bitrate;
645 if (target_rate == this_rate) {
646 sdata->max_ratectrl_rateidx = i;
648 sdata->force_unicast_rateidx = i;
656 static int ieee80211_ioctl_giwrate(struct net_device *dev,
657 struct iw_request_info *info,
658 struct iw_param *rate, char *extra)
660 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
661 struct sta_info *sta;
662 struct ieee80211_sub_if_data *sdata;
663 struct ieee80211_supported_band *sband;
665 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
667 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
670 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
674 sta = sta_info_get(local, sdata->u.sta.bssid);
676 if (sta && sta->txrate_idx < sband->n_bitrates)
677 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
686 rate->value *= 100000;
691 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
692 struct iw_request_info *info,
693 union iwreq_data *data, char *extra)
695 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
696 bool need_reconfig = 0;
699 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
701 if (data->txpower.flags & IW_TXPOW_RANGE)
704 if (data->txpower.fixed) {
705 new_power_level = data->txpower.value;
708 * Automatic power level. Use maximum power for the current
709 * channel. Should be part of rate control.
711 struct ieee80211_channel* chan = local->hw.conf.channel;
715 new_power_level = chan->max_power;
718 if (local->hw.conf.power_level != new_power_level) {
719 local->hw.conf.power_level = new_power_level;
723 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
724 local->hw.conf.radio_enabled = !(data->txpower.disabled);
726 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
730 ieee80211_hw_config(local);
731 /* The return value of hw_config is not of big interest here,
732 * as it doesn't say that it failed because of _this_ config
733 * change or something else. Ignore it. */
739 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
740 struct iw_request_info *info,
741 union iwreq_data *data, char *extra)
743 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
745 data->txpower.fixed = 1;
746 data->txpower.disabled = !(local->hw.conf.radio_enabled);
747 data->txpower.value = local->hw.conf.power_level;
748 data->txpower.flags = IW_TXPOW_DBM;
753 static int ieee80211_ioctl_siwrts(struct net_device *dev,
754 struct iw_request_info *info,
755 struct iw_param *rts, char *extra)
757 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
760 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
761 else if (!rts->fixed)
762 /* if the rts value is not fixed, then take default */
763 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
764 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
767 local->rts_threshold = rts->value;
769 /* If the wlan card performs RTS/CTS in hardware/firmware,
770 * configure it here */
772 if (local->ops->set_rts_threshold)
773 local->ops->set_rts_threshold(local_to_hw(local),
774 local->rts_threshold);
779 static int ieee80211_ioctl_giwrts(struct net_device *dev,
780 struct iw_request_info *info,
781 struct iw_param *rts, char *extra)
783 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
785 rts->value = local->rts_threshold;
786 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
793 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
794 struct iw_request_info *info,
795 struct iw_param *frag, char *extra)
797 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
800 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
801 else if (!frag->fixed)
802 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
803 else if (frag->value < 256 ||
804 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
807 /* Fragment length must be even, so strip LSB. */
808 local->fragmentation_threshold = frag->value & ~0x1;
811 /* If the wlan card performs fragmentation in hardware/firmware,
812 * configure it here */
814 if (local->ops->set_frag_threshold)
815 local->ops->set_frag_threshold(
817 local->fragmentation_threshold);
822 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
823 struct iw_request_info *info,
824 struct iw_param *frag, char *extra)
826 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
828 frag->value = local->fragmentation_threshold;
829 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
836 static int ieee80211_ioctl_siwretry(struct net_device *dev,
837 struct iw_request_info *info,
838 struct iw_param *retry, char *extra)
840 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
842 if (retry->disabled ||
843 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
846 if (retry->flags & IW_RETRY_MAX)
847 local->long_retry_limit = retry->value;
848 else if (retry->flags & IW_RETRY_MIN)
849 local->short_retry_limit = retry->value;
851 local->long_retry_limit = retry->value;
852 local->short_retry_limit = retry->value;
855 if (local->ops->set_retry_limit) {
856 return local->ops->set_retry_limit(
858 local->short_retry_limit,
859 local->long_retry_limit);
866 static int ieee80211_ioctl_giwretry(struct net_device *dev,
867 struct iw_request_info *info,
868 struct iw_param *retry, char *extra)
870 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
873 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
874 /* first return min value, iwconfig will ask max value
876 retry->flags |= IW_RETRY_LIMIT;
877 retry->value = local->short_retry_limit;
878 if (local->long_retry_limit != local->short_retry_limit)
879 retry->flags |= IW_RETRY_MIN;
882 if (retry->flags & IW_RETRY_MAX) {
883 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
884 retry->value = local->long_retry_limit;
890 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
891 struct iw_request_info *info,
892 struct iw_point *data, char *extra)
894 struct ieee80211_sub_if_data *sdata;
895 struct iw_mlme *mlme = (struct iw_mlme *) extra;
897 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
898 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
899 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
904 /* TODO: mlme->addr.sa_data */
905 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
906 case IW_MLME_DISASSOC:
907 /* TODO: mlme->addr.sa_data */
908 return ieee80211_sta_disassociate(dev, mlme->reason_code);
915 static int ieee80211_ioctl_siwencode(struct net_device *dev,
916 struct iw_request_info *info,
917 struct iw_point *erq, char *keybuf)
919 struct ieee80211_sub_if_data *sdata;
920 int idx, i, alg = ALG_WEP;
921 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
924 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
926 idx = erq->flags & IW_ENCODE_INDEX;
928 if (sdata->default_key)
929 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
930 if (sdata->default_key == sdata->keys[i]) {
935 } else if (idx < 1 || idx > 4)
940 if (erq->flags & IW_ENCODE_DISABLED)
942 else if (erq->length == 0) {
943 /* No key data - just set the default TX key index */
944 ieee80211_set_default_key(sdata, idx);
948 return ieee80211_set_encryption(
952 keybuf, erq->length);
956 static int ieee80211_ioctl_giwencode(struct net_device *dev,
957 struct iw_request_info *info,
958 struct iw_point *erq, char *key)
960 struct ieee80211_sub_if_data *sdata;
963 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
965 idx = erq->flags & IW_ENCODE_INDEX;
966 if (idx < 1 || idx > 4) {
968 if (!sdata->default_key)
970 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
971 if (sdata->default_key == sdata->keys[i]) {
981 erq->flags = idx + 1;
983 if (!sdata->keys[idx]) {
985 erq->flags |= IW_ENCODE_DISABLED;
989 memcpy(key, sdata->keys[idx]->conf.key,
990 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
991 erq->length = sdata->keys[idx]->conf.keylen;
992 erq->flags |= IW_ENCODE_ENABLED;
994 if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
995 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
996 switch (ifsta->auth_alg) {
999 erq->flags |= IW_ENCODE_OPEN;
1001 case WLAN_AUTH_SHARED_KEY:
1002 erq->flags |= IW_ENCODE_RESTRICTED;
1010 static int ieee80211_ioctl_siwpower(struct net_device *dev,
1011 struct iw_request_info *info,
1012 struct iw_param *wrq,
1015 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1016 struct ieee80211_conf *conf = &local->hw.conf;
1018 if (wrq->disabled) {
1019 conf->flags &= ~IEEE80211_CONF_PS;
1020 return ieee80211_hw_config(local);
1023 switch (wrq->flags & IW_POWER_MODE) {
1024 case IW_POWER_ON: /* If not specified */
1025 case IW_POWER_MODE: /* If set all mask */
1026 case IW_POWER_ALL_R: /* If explicitely state all */
1027 conf->flags |= IEEE80211_CONF_PS;
1029 default: /* Otherwise we don't support it */
1033 return ieee80211_hw_config(local);
1036 static int ieee80211_ioctl_giwpower(struct net_device *dev,
1037 struct iw_request_info *info,
1038 union iwreq_data *wrqu,
1041 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1042 struct ieee80211_conf *conf = &local->hw.conf;
1044 wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
1049 static int ieee80211_ioctl_siwauth(struct net_device *dev,
1050 struct iw_request_info *info,
1051 struct iw_param *data, char *extra)
1053 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1056 switch (data->flags & IW_AUTH_INDEX) {
1057 case IW_AUTH_WPA_VERSION:
1058 case IW_AUTH_CIPHER_PAIRWISE:
1059 case IW_AUTH_CIPHER_GROUP:
1060 case IW_AUTH_WPA_ENABLED:
1061 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1062 case IW_AUTH_KEY_MGMT:
1064 case IW_AUTH_DROP_UNENCRYPTED:
1065 sdata->drop_unencrypted = !!data->value;
1067 case IW_AUTH_PRIVACY_INVOKED:
1068 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
1071 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
1073 * Privacy invoked by wpa_supplicant, store the
1074 * value and allow associating to a protected
1075 * network without having a key up front.
1078 sdata->u.sta.flags |=
1079 IEEE80211_STA_PRIVACY_INVOKED;
1082 case IW_AUTH_80211_AUTH_ALG:
1083 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1084 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1085 sdata->u.sta.auth_algs = data->value;
1096 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1097 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1099 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1100 struct iw_statistics *wstats = &local->wstats;
1101 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1102 struct sta_info *sta = NULL;
1106 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1107 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1108 sta = sta_info_get(local, sdata->u.sta.bssid);
1110 wstats->discard.fragment = 0;
1111 wstats->discard.misc = 0;
1112 wstats->qual.qual = 0;
1113 wstats->qual.level = 0;
1114 wstats->qual.noise = 0;
1115 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1117 wstats->qual.level = sta->last_signal;
1118 wstats->qual.qual = sta->last_qual;
1119 wstats->qual.noise = sta->last_noise;
1120 wstats->qual.updated = local->wstats_flags;
1128 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1129 struct iw_request_info *info,
1130 struct iw_param *data, char *extra)
1132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1135 switch (data->flags & IW_AUTH_INDEX) {
1136 case IW_AUTH_80211_AUTH_ALG:
1137 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1138 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1139 data->value = sdata->u.sta.auth_algs;
1151 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1152 struct iw_request_info *info,
1153 struct iw_point *erq, char *extra)
1155 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1156 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1157 int uninitialized_var(alg), idx, i, remove = 0;
1160 case IW_ENCODE_ALG_NONE:
1163 case IW_ENCODE_ALG_WEP:
1166 case IW_ENCODE_ALG_TKIP:
1169 case IW_ENCODE_ALG_CCMP:
1176 if (erq->flags & IW_ENCODE_DISABLED)
1179 idx = erq->flags & IW_ENCODE_INDEX;
1180 if (idx < 1 || idx > 4) {
1182 if (!sdata->default_key)
1184 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1185 if (sdata->default_key == sdata->keys[i]) {
1195 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1198 IW_ENCODE_EXT_SET_TX_KEY,
1199 ext->key, ext->key_len);
1203 /* Structures to export the Wireless Handlers */
1205 static const iw_handler ieee80211_handler[] =
1207 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1208 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1209 (iw_handler) NULL, /* SIOCSIWNWID */
1210 (iw_handler) NULL, /* SIOCGIWNWID */
1211 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1212 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1213 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1214 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1215 (iw_handler) NULL, /* SIOCSIWSENS */
1216 (iw_handler) NULL, /* SIOCGIWSENS */
1217 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1218 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1219 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1220 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1221 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1222 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1223 (iw_handler) NULL, /* SIOCSIWSPY */
1224 (iw_handler) NULL, /* SIOCGIWSPY */
1225 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1226 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1227 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1228 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1229 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1230 (iw_handler) NULL, /* SIOCGIWAPLIST */
1231 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1232 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1233 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1234 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1235 (iw_handler) NULL, /* SIOCSIWNICKN */
1236 (iw_handler) NULL, /* SIOCGIWNICKN */
1237 (iw_handler) NULL, /* -- hole -- */
1238 (iw_handler) NULL, /* -- hole -- */
1239 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1240 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1241 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1242 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1243 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1244 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1245 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1246 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1247 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1248 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1249 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1250 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1251 (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
1252 (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
1253 (iw_handler) NULL, /* -- hole -- */
1254 (iw_handler) NULL, /* -- hole -- */
1255 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1256 (iw_handler) NULL, /* SIOCGIWGENIE */
1257 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1258 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1259 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1260 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1261 (iw_handler) NULL, /* SIOCSIWPMKSA */
1262 (iw_handler) NULL, /* -- hole -- */
1265 const struct iw_handler_def ieee80211_iw_handler_def =
1267 .num_standard = ARRAY_SIZE(ieee80211_handler),
1268 .standard = (iw_handler *) ieee80211_handler,
1269 .get_wireless_stats = ieee80211_get_wireless_stats,