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);
633 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
635 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
636 * target_rate = X, rate->fixed = 1 means only rate X
637 * target_rate = X, rate->fixed = 0 means all rates <= X */
638 sdata->bss->max_ratectrl_rateidx = -1;
639 sdata->bss->force_unicast_rateidx = -1;
643 for (i=0; i< sband->n_bitrates; i++) {
644 struct ieee80211_rate *brate = &sband->bitrates[i];
645 int this_rate = brate->bitrate;
647 if (target_rate == this_rate) {
648 sdata->bss->max_ratectrl_rateidx = i;
650 sdata->bss->force_unicast_rateidx = i;
658 static int ieee80211_ioctl_giwrate(struct net_device *dev,
659 struct iw_request_info *info,
660 struct iw_param *rate, char *extra)
662 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
663 struct sta_info *sta;
664 struct ieee80211_sub_if_data *sdata;
665 struct ieee80211_supported_band *sband;
667 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
669 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
672 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
676 sta = sta_info_get(local, sdata->u.sta.bssid);
678 if (sta && sta->txrate_idx < sband->n_bitrates)
679 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
688 rate->value *= 100000;
693 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
694 struct iw_request_info *info,
695 union iwreq_data *data, char *extra)
697 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
698 bool need_reconfig = 0;
701 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
703 if (data->txpower.flags & IW_TXPOW_RANGE)
706 if (data->txpower.fixed) {
707 new_power_level = data->txpower.value;
710 * Automatic power level. Use maximum power for the current
711 * channel. Should be part of rate control.
713 struct ieee80211_channel* chan = local->hw.conf.channel;
717 new_power_level = chan->max_power;
720 if (local->hw.conf.power_level != new_power_level) {
721 local->hw.conf.power_level = new_power_level;
725 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
726 local->hw.conf.radio_enabled = !(data->txpower.disabled);
728 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
732 ieee80211_hw_config(local);
733 /* The return value of hw_config is not of big interest here,
734 * as it doesn't say that it failed because of _this_ config
735 * change or something else. Ignore it. */
741 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
742 struct iw_request_info *info,
743 union iwreq_data *data, char *extra)
745 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
747 data->txpower.fixed = 1;
748 data->txpower.disabled = !(local->hw.conf.radio_enabled);
749 data->txpower.value = local->hw.conf.power_level;
750 data->txpower.flags = IW_TXPOW_DBM;
755 static int ieee80211_ioctl_siwrts(struct net_device *dev,
756 struct iw_request_info *info,
757 struct iw_param *rts, char *extra)
759 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
762 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
763 else if (!rts->fixed)
764 /* if the rts value is not fixed, then take default */
765 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
766 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
769 local->rts_threshold = rts->value;
771 /* If the wlan card performs RTS/CTS in hardware/firmware,
772 * configure it here */
774 if (local->ops->set_rts_threshold)
775 local->ops->set_rts_threshold(local_to_hw(local),
776 local->rts_threshold);
781 static int ieee80211_ioctl_giwrts(struct net_device *dev,
782 struct iw_request_info *info,
783 struct iw_param *rts, char *extra)
785 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
787 rts->value = local->rts_threshold;
788 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
795 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
796 struct iw_request_info *info,
797 struct iw_param *frag, char *extra)
799 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
802 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
803 else if (!frag->fixed)
804 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
805 else if (frag->value < 256 ||
806 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
809 /* Fragment length must be even, so strip LSB. */
810 local->fragmentation_threshold = frag->value & ~0x1;
813 /* If the wlan card performs fragmentation in hardware/firmware,
814 * configure it here */
816 if (local->ops->set_frag_threshold)
817 local->ops->set_frag_threshold(
819 local->fragmentation_threshold);
824 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
825 struct iw_request_info *info,
826 struct iw_param *frag, char *extra)
828 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
830 frag->value = local->fragmentation_threshold;
831 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
838 static int ieee80211_ioctl_siwretry(struct net_device *dev,
839 struct iw_request_info *info,
840 struct iw_param *retry, char *extra)
842 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
844 if (retry->disabled ||
845 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
848 if (retry->flags & IW_RETRY_MAX)
849 local->long_retry_limit = retry->value;
850 else if (retry->flags & IW_RETRY_MIN)
851 local->short_retry_limit = retry->value;
853 local->long_retry_limit = retry->value;
854 local->short_retry_limit = retry->value;
857 if (local->ops->set_retry_limit) {
858 return local->ops->set_retry_limit(
860 local->short_retry_limit,
861 local->long_retry_limit);
868 static int ieee80211_ioctl_giwretry(struct net_device *dev,
869 struct iw_request_info *info,
870 struct iw_param *retry, char *extra)
872 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
875 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
876 /* first return min value, iwconfig will ask max value
878 retry->flags |= IW_RETRY_LIMIT;
879 retry->value = local->short_retry_limit;
880 if (local->long_retry_limit != local->short_retry_limit)
881 retry->flags |= IW_RETRY_MIN;
884 if (retry->flags & IW_RETRY_MAX) {
885 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
886 retry->value = local->long_retry_limit;
892 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
893 struct iw_request_info *info,
894 struct iw_point *data, char *extra)
896 struct ieee80211_sub_if_data *sdata;
897 struct iw_mlme *mlme = (struct iw_mlme *) extra;
899 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
900 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
901 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
906 /* TODO: mlme->addr.sa_data */
907 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
908 case IW_MLME_DISASSOC:
909 /* TODO: mlme->addr.sa_data */
910 return ieee80211_sta_disassociate(dev, mlme->reason_code);
917 static int ieee80211_ioctl_siwencode(struct net_device *dev,
918 struct iw_request_info *info,
919 struct iw_point *erq, char *keybuf)
921 struct ieee80211_sub_if_data *sdata;
922 int idx, i, alg = ALG_WEP;
923 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
926 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
928 idx = erq->flags & IW_ENCODE_INDEX;
930 if (sdata->default_key)
931 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
932 if (sdata->default_key == sdata->keys[i]) {
937 } else if (idx < 1 || idx > 4)
942 if (erq->flags & IW_ENCODE_DISABLED)
944 else if (erq->length == 0) {
945 /* No key data - just set the default TX key index */
946 ieee80211_set_default_key(sdata, idx);
950 return ieee80211_set_encryption(
954 keybuf, erq->length);
958 static int ieee80211_ioctl_giwencode(struct net_device *dev,
959 struct iw_request_info *info,
960 struct iw_point *erq, char *key)
962 struct ieee80211_sub_if_data *sdata;
965 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
967 idx = erq->flags & IW_ENCODE_INDEX;
968 if (idx < 1 || idx > 4) {
970 if (!sdata->default_key)
972 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
973 if (sdata->default_key == sdata->keys[i]) {
983 erq->flags = idx + 1;
985 if (!sdata->keys[idx]) {
987 erq->flags |= IW_ENCODE_DISABLED;
991 memcpy(key, sdata->keys[idx]->conf.key,
992 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
993 erq->length = sdata->keys[idx]->conf.keylen;
994 erq->flags |= IW_ENCODE_ENABLED;
996 if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
997 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
998 switch (ifsta->auth_alg) {
1000 case WLAN_AUTH_LEAP:
1001 erq->flags |= IW_ENCODE_OPEN;
1003 case WLAN_AUTH_SHARED_KEY:
1004 erq->flags |= IW_ENCODE_RESTRICTED;
1012 static int ieee80211_ioctl_siwpower(struct net_device *dev,
1013 struct iw_request_info *info,
1014 struct iw_param *wrq,
1017 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1018 struct ieee80211_conf *conf = &local->hw.conf;
1020 if (wrq->disabled) {
1021 conf->flags &= ~IEEE80211_CONF_PS;
1022 return ieee80211_hw_config(local);
1025 switch (wrq->flags & IW_POWER_MODE) {
1026 case IW_POWER_ON: /* If not specified */
1027 case IW_POWER_MODE: /* If set all mask */
1028 case IW_POWER_ALL_R: /* If explicitely state all */
1029 conf->flags |= IEEE80211_CONF_PS;
1031 default: /* Otherwise we don't support it */
1035 return ieee80211_hw_config(local);
1038 static int ieee80211_ioctl_giwpower(struct net_device *dev,
1039 struct iw_request_info *info,
1040 union iwreq_data *wrqu,
1043 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1044 struct ieee80211_conf *conf = &local->hw.conf;
1046 wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
1051 static int ieee80211_ioctl_siwauth(struct net_device *dev,
1052 struct iw_request_info *info,
1053 struct iw_param *data, char *extra)
1055 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1058 switch (data->flags & IW_AUTH_INDEX) {
1059 case IW_AUTH_WPA_VERSION:
1060 case IW_AUTH_CIPHER_PAIRWISE:
1061 case IW_AUTH_CIPHER_GROUP:
1062 case IW_AUTH_WPA_ENABLED:
1063 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1064 case IW_AUTH_KEY_MGMT:
1066 case IW_AUTH_DROP_UNENCRYPTED:
1067 sdata->drop_unencrypted = !!data->value;
1069 case IW_AUTH_PRIVACY_INVOKED:
1070 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
1073 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
1075 * Privacy invoked by wpa_supplicant, store the
1076 * value and allow associating to a protected
1077 * network without having a key up front.
1080 sdata->u.sta.flags |=
1081 IEEE80211_STA_PRIVACY_INVOKED;
1084 case IW_AUTH_80211_AUTH_ALG:
1085 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1086 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1087 sdata->u.sta.auth_algs = data->value;
1098 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1099 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1101 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1102 struct iw_statistics *wstats = &local->wstats;
1103 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1104 struct sta_info *sta = NULL;
1108 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1109 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1110 sta = sta_info_get(local, sdata->u.sta.bssid);
1112 wstats->discard.fragment = 0;
1113 wstats->discard.misc = 0;
1114 wstats->qual.qual = 0;
1115 wstats->qual.level = 0;
1116 wstats->qual.noise = 0;
1117 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1119 wstats->qual.level = sta->last_signal;
1120 wstats->qual.qual = sta->last_qual;
1121 wstats->qual.noise = sta->last_noise;
1122 wstats->qual.updated = local->wstats_flags;
1130 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1131 struct iw_request_info *info,
1132 struct iw_param *data, char *extra)
1134 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1137 switch (data->flags & IW_AUTH_INDEX) {
1138 case IW_AUTH_80211_AUTH_ALG:
1139 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1140 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1141 data->value = sdata->u.sta.auth_algs;
1153 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1154 struct iw_request_info *info,
1155 struct iw_point *erq, char *extra)
1157 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1158 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1159 int uninitialized_var(alg), idx, i, remove = 0;
1162 case IW_ENCODE_ALG_NONE:
1165 case IW_ENCODE_ALG_WEP:
1168 case IW_ENCODE_ALG_TKIP:
1171 case IW_ENCODE_ALG_CCMP:
1178 if (erq->flags & IW_ENCODE_DISABLED)
1181 idx = erq->flags & IW_ENCODE_INDEX;
1182 if (idx < 1 || idx > 4) {
1184 if (!sdata->default_key)
1186 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1187 if (sdata->default_key == sdata->keys[i]) {
1197 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1200 IW_ENCODE_EXT_SET_TX_KEY,
1201 ext->key, ext->key_len);
1205 /* Structures to export the Wireless Handlers */
1207 static const iw_handler ieee80211_handler[] =
1209 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1210 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1211 (iw_handler) NULL, /* SIOCSIWNWID */
1212 (iw_handler) NULL, /* SIOCGIWNWID */
1213 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1214 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1215 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1216 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1217 (iw_handler) NULL, /* SIOCSIWSENS */
1218 (iw_handler) NULL, /* SIOCGIWSENS */
1219 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1220 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1221 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1222 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1223 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1224 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1225 (iw_handler) NULL, /* SIOCSIWSPY */
1226 (iw_handler) NULL, /* SIOCGIWSPY */
1227 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1228 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1229 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1230 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1231 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1232 (iw_handler) NULL, /* SIOCGIWAPLIST */
1233 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1234 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1235 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1236 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1237 (iw_handler) NULL, /* SIOCSIWNICKN */
1238 (iw_handler) NULL, /* SIOCGIWNICKN */
1239 (iw_handler) NULL, /* -- hole -- */
1240 (iw_handler) NULL, /* -- hole -- */
1241 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1242 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1243 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1244 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1245 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1246 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1247 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1248 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1249 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1250 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1251 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1252 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1253 (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
1254 (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
1255 (iw_handler) NULL, /* -- hole -- */
1256 (iw_handler) NULL, /* -- hole -- */
1257 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1258 (iw_handler) NULL, /* SIOCGIWGENIE */
1259 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1260 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1261 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1262 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1263 (iw_handler) NULL, /* SIOCSIWPMKSA */
1264 (iw_handler) NULL, /* -- hole -- */
1267 const struct iw_handler_def ieee80211_iw_handler_def =
1269 .num_standard = ARRAY_SIZE(ieee80211_handler),
1270 .standard = (iw_handler *) ieee80211_handler,
1271 .get_wireless_stats = ieee80211_get_wireless_stats,