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 == NL80211_IFTYPE_STATION ||
126 sdata->vif.type == NL80211_IFTYPE_ADHOC) {
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_cap.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_cap.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 == NL80211_IFTYPE_AP_VLAN)
281 type = NL80211_IFTYPE_STATION;
284 type = NL80211_IFTYPE_ADHOC;
287 type = NL80211_IFTYPE_WDS;
289 case IW_MODE_MONITOR:
290 type = NL80211_IFTYPE_MONITOR;
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 NL80211_IFTYPE_AP:
309 *mode = IW_MODE_MASTER;
311 case NL80211_IFTYPE_STATION:
312 *mode = IW_MODE_INFRA;
314 case NL80211_IFTYPE_ADHOC:
315 *mode = IW_MODE_ADHOC;
317 case NL80211_IFTYPE_MONITOR:
318 *mode = IW_MODE_MONITOR;
320 case NL80211_IFTYPE_WDS:
321 *mode = IW_MODE_REPEAT;
323 case NL80211_IFTYPE_AP_VLAN:
324 *mode = IW_MODE_SECOND; /* FIXME */
327 *mode = IW_MODE_AUTO;
333 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
334 struct iw_request_info *info,
335 struct iw_freq *freq, char *extra)
337 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
339 if (sdata->vif.type == NL80211_IFTYPE_STATION)
340 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
342 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
345 if (sdata->vif.type == NL80211_IFTYPE_STATION)
346 sdata->u.sta.flags |=
347 IEEE80211_STA_AUTO_CHANNEL_SEL;
350 return ieee80211_set_freq(sdata,
351 ieee80211_channel_to_frequency(freq->m));
353 int i, div = 1000000;
354 for (i = 0; i < freq->e; i++)
357 return ieee80211_set_freq(sdata, freq->m / div);
364 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
365 struct iw_request_info *info,
366 struct iw_freq *freq, char *extra)
368 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
370 freq->m = local->hw.conf.channel->center_freq;
377 static int ieee80211_ioctl_siwessid(struct net_device *dev,
378 struct iw_request_info *info,
379 struct iw_point *data, char *ssid)
381 struct ieee80211_sub_if_data *sdata;
382 size_t len = data->length;
384 /* iwconfig uses nul termination in SSID.. */
385 if (len > 0 && ssid[len - 1] == '\0')
388 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
390 sdata->vif.type == NL80211_IFTYPE_ADHOC) {
392 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
393 if (len > IEEE80211_MAX_SSID_LEN)
395 memcpy(sdata->u.sta.ssid, ssid, len);
396 sdata->u.sta.ssid_len = len;
400 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
402 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
403 ret = ieee80211_sta_set_ssid(sdata, ssid, len);
406 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
410 if (sdata->vif.type == NL80211_IFTYPE_AP) {
411 memcpy(sdata->u.ap.ssid, ssid, len);
412 memset(sdata->u.ap.ssid + len, 0,
413 IEEE80211_MAX_SSID_LEN - len);
414 sdata->u.ap.ssid_len = len;
415 return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
421 static int ieee80211_ioctl_giwessid(struct net_device *dev,
422 struct iw_request_info *info,
423 struct iw_point *data, char *ssid)
427 struct ieee80211_sub_if_data *sdata;
428 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
429 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
430 sdata->vif.type == NL80211_IFTYPE_ADHOC) {
431 int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
440 if (sdata->vif.type == NL80211_IFTYPE_AP) {
441 len = sdata->u.ap.ssid_len;
442 if (len > IW_ESSID_MAX_SIZE)
443 len = IW_ESSID_MAX_SIZE;
444 memcpy(ssid, sdata->u.ap.ssid, len);
453 static int ieee80211_ioctl_siwap(struct net_device *dev,
454 struct iw_request_info *info,
455 struct sockaddr *ap_addr, char *extra)
457 struct ieee80211_sub_if_data *sdata;
459 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
460 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
461 sdata->vif.type == NL80211_IFTYPE_ADHOC) {
463 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
464 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
468 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
469 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
470 IEEE80211_STA_AUTO_CHANNEL_SEL;
471 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
472 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
474 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
475 ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
478 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
480 } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
482 * If it is necessary to update the WDS peer address
483 * while the interface is running, then we need to do
484 * more work here, namely if it is running we need to
485 * add a new and remove the old STA entry, this is
486 * normally handled by _open() and _stop().
488 if (netif_running(dev))
491 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
501 static int ieee80211_ioctl_giwap(struct net_device *dev,
502 struct iw_request_info *info,
503 struct sockaddr *ap_addr, char *extra)
505 struct ieee80211_sub_if_data *sdata;
507 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
508 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
509 sdata->vif.type == NL80211_IFTYPE_ADHOC) {
510 if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
511 sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
512 ap_addr->sa_family = ARPHRD_ETHER;
513 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
516 memset(&ap_addr->sa_data, 0, ETH_ALEN);
519 } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
520 ap_addr->sa_family = ARPHRD_ETHER;
521 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
529 static int ieee80211_ioctl_siwscan(struct net_device *dev,
530 struct iw_request_info *info,
531 union iwreq_data *wrqu, char *extra)
533 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
534 struct iw_scan_req *req = NULL;
538 if (!netif_running(dev))
541 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
542 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
543 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
544 sdata->vif.type != NL80211_IFTYPE_AP)
547 /* if SSID was specified explicitly then use that */
548 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
549 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
550 req = (struct iw_scan_req *)extra;
552 ssid_len = req->essid_len;
555 return ieee80211_request_scan(sdata, ssid, ssid_len);
559 static int ieee80211_ioctl_giwscan(struct net_device *dev,
560 struct iw_request_info *info,
561 struct iw_point *data, char *extra)
564 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
565 struct ieee80211_sub_if_data *sdata;
567 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
569 if (local->sw_scanning || local->hw_scanning)
572 res = ieee80211_scan_results(local, info, extra, data->length);
582 static int ieee80211_ioctl_siwrate(struct net_device *dev,
583 struct iw_request_info *info,
584 struct iw_param *rate, char *extra)
586 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
587 int i, err = -EINVAL;
588 u32 target_rate = rate->value / 100000;
589 struct ieee80211_sub_if_data *sdata;
590 struct ieee80211_supported_band *sband;
592 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
594 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
596 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
597 * target_rate = X, rate->fixed = 1 means only rate X
598 * target_rate = X, rate->fixed = 0 means all rates <= X */
599 sdata->max_ratectrl_rateidx = -1;
600 sdata->force_unicast_rateidx = -1;
604 for (i=0; i< sband->n_bitrates; i++) {
605 struct ieee80211_rate *brate = &sband->bitrates[i];
606 int this_rate = brate->bitrate;
608 if (target_rate == this_rate) {
609 sdata->max_ratectrl_rateidx = i;
611 sdata->force_unicast_rateidx = i;
619 static int ieee80211_ioctl_giwrate(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 struct sta_info *sta;
625 struct ieee80211_sub_if_data *sdata;
626 struct ieee80211_supported_band *sband;
628 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
630 if (sdata->vif.type != NL80211_IFTYPE_STATION)
633 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
637 sta = sta_info_get(local, sdata->u.sta.bssid);
639 if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
640 rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
649 rate->value *= 100000;
654 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
655 struct iw_request_info *info,
656 union iwreq_data *data, char *extra)
658 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
659 struct ieee80211_channel* chan = local->hw.conf.channel;
660 u32 reconf_flags = 0;
663 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
665 if (data->txpower.flags & IW_TXPOW_RANGE)
670 if (data->txpower.fixed)
671 new_power_level = min(data->txpower.value, chan->max_power);
672 else /* Automatic power level setting */
673 new_power_level = chan->max_power;
675 if (local->hw.conf.power_level != new_power_level) {
676 local->hw.conf.power_level = new_power_level;
677 reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
680 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
681 local->hw.conf.radio_enabled = !(data->txpower.disabled);
682 reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
683 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
687 ieee80211_hw_config(local, reconf_flags);
692 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
693 struct iw_request_info *info,
694 union iwreq_data *data, char *extra)
696 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
698 data->txpower.fixed = 1;
699 data->txpower.disabled = !(local->hw.conf.radio_enabled);
700 data->txpower.value = local->hw.conf.power_level;
701 data->txpower.flags = IW_TXPOW_DBM;
706 static int ieee80211_ioctl_siwrts(struct net_device *dev,
707 struct iw_request_info *info,
708 struct iw_param *rts, char *extra)
710 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
713 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
714 else if (!rts->fixed)
715 /* if the rts value is not fixed, then take default */
716 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
717 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
720 local->rts_threshold = rts->value;
722 /* If the wlan card performs RTS/CTS in hardware/firmware,
723 * configure it here */
725 if (local->ops->set_rts_threshold)
726 local->ops->set_rts_threshold(local_to_hw(local),
727 local->rts_threshold);
732 static int ieee80211_ioctl_giwrts(struct net_device *dev,
733 struct iw_request_info *info,
734 struct iw_param *rts, char *extra)
736 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
738 rts->value = local->rts_threshold;
739 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
746 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
747 struct iw_request_info *info,
748 struct iw_param *frag, char *extra)
750 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
753 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
754 else if (!frag->fixed)
755 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
756 else if (frag->value < 256 ||
757 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
760 /* Fragment length must be even, so strip LSB. */
761 local->fragmentation_threshold = frag->value & ~0x1;
764 /* If the wlan card performs fragmentation in hardware/firmware,
765 * configure it here */
767 if (local->ops->set_frag_threshold)
768 return local->ops->set_frag_threshold(
770 local->fragmentation_threshold);
775 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
776 struct iw_request_info *info,
777 struct iw_param *frag, char *extra)
779 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
781 frag->value = local->fragmentation_threshold;
782 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
789 static int ieee80211_ioctl_siwretry(struct net_device *dev,
790 struct iw_request_info *info,
791 struct iw_param *retry, char *extra)
793 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
795 if (retry->disabled ||
796 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
799 if (retry->flags & IW_RETRY_MAX) {
800 local->hw.conf.long_frame_max_tx_count = retry->value;
801 } else if (retry->flags & IW_RETRY_MIN) {
802 local->hw.conf.short_frame_max_tx_count = retry->value;
804 local->hw.conf.long_frame_max_tx_count = retry->value;
805 local->hw.conf.short_frame_max_tx_count = retry->value;
808 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
814 static int ieee80211_ioctl_giwretry(struct net_device *dev,
815 struct iw_request_info *info,
816 struct iw_param *retry, char *extra)
818 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
821 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
822 /* first return min value, iwconfig will ask max value
824 retry->flags |= IW_RETRY_LIMIT;
825 retry->value = local->hw.conf.short_frame_max_tx_count;
826 if (local->hw.conf.long_frame_max_tx_count !=
827 local->hw.conf.short_frame_max_tx_count)
828 retry->flags |= IW_RETRY_MIN;
831 if (retry->flags & IW_RETRY_MAX) {
832 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
833 retry->value = local->hw.conf.long_frame_max_tx_count;
839 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
840 struct iw_request_info *info,
841 struct iw_point *data, char *extra)
843 struct ieee80211_sub_if_data *sdata;
844 struct iw_mlme *mlme = (struct iw_mlme *) extra;
846 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
847 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
848 sdata->vif.type != NL80211_IFTYPE_ADHOC)
853 /* TODO: mlme->addr.sa_data */
854 return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
855 case IW_MLME_DISASSOC:
856 /* TODO: mlme->addr.sa_data */
857 return ieee80211_sta_disassociate(sdata, mlme->reason_code);
864 static int ieee80211_ioctl_siwencode(struct net_device *dev,
865 struct iw_request_info *info,
866 struct iw_point *erq, char *keybuf)
868 struct ieee80211_sub_if_data *sdata;
869 int idx, i, alg = ALG_WEP;
870 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
873 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
875 idx = erq->flags & IW_ENCODE_INDEX;
877 if (sdata->default_key)
878 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
879 if (sdata->default_key == sdata->keys[i]) {
884 } else if (idx < 1 || idx > 4)
889 if (erq->flags & IW_ENCODE_DISABLED)
891 else if (erq->length == 0) {
892 /* No key data - just set the default TX key index */
893 ieee80211_set_default_key(sdata, idx);
897 return ieee80211_set_encryption(
901 keybuf, erq->length);
905 static int ieee80211_ioctl_giwencode(struct net_device *dev,
906 struct iw_request_info *info,
907 struct iw_point *erq, char *key)
909 struct ieee80211_sub_if_data *sdata;
912 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
914 idx = erq->flags & IW_ENCODE_INDEX;
915 if (idx < 1 || idx > 4) {
917 if (!sdata->default_key)
919 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
920 if (sdata->default_key == sdata->keys[i]) {
930 erq->flags = idx + 1;
932 if (!sdata->keys[idx]) {
934 erq->flags |= IW_ENCODE_DISABLED;
938 memcpy(key, sdata->keys[idx]->conf.key,
939 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
940 erq->length = sdata->keys[idx]->conf.keylen;
941 erq->flags |= IW_ENCODE_ENABLED;
943 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
944 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
945 switch (ifsta->auth_alg) {
948 erq->flags |= IW_ENCODE_OPEN;
950 case WLAN_AUTH_SHARED_KEY:
951 erq->flags |= IW_ENCODE_RESTRICTED;
959 static int ieee80211_ioctl_siwpower(struct net_device *dev,
960 struct iw_request_info *info,
961 struct iw_param *wrq,
964 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
965 struct ieee80211_conf *conf = &local->hw.conf;
968 conf->flags &= ~IEEE80211_CONF_PS;
969 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
972 switch (wrq->flags & IW_POWER_MODE) {
973 case IW_POWER_ON: /* If not specified */
974 case IW_POWER_MODE: /* If set all mask */
975 case IW_POWER_ALL_R: /* If explicitely state all */
976 conf->flags |= IEEE80211_CONF_PS;
978 default: /* Otherwise we don't support it */
982 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
985 static int ieee80211_ioctl_giwpower(struct net_device *dev,
986 struct iw_request_info *info,
987 union iwreq_data *wrqu,
990 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
991 struct ieee80211_conf *conf = &local->hw.conf;
993 wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
998 static int ieee80211_ioctl_siwauth(struct net_device *dev,
999 struct iw_request_info *info,
1000 struct iw_param *data, char *extra)
1002 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005 switch (data->flags & IW_AUTH_INDEX) {
1006 case IW_AUTH_WPA_VERSION:
1007 case IW_AUTH_CIPHER_PAIRWISE:
1008 case IW_AUTH_CIPHER_GROUP:
1009 case IW_AUTH_WPA_ENABLED:
1010 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1011 case IW_AUTH_KEY_MGMT:
1013 case IW_AUTH_DROP_UNENCRYPTED:
1014 sdata->drop_unencrypted = !!data->value;
1016 case IW_AUTH_PRIVACY_INVOKED:
1017 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1020 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
1022 * Privacy invoked by wpa_supplicant, store the
1023 * value and allow associating to a protected
1024 * network without having a key up front.
1027 sdata->u.sta.flags |=
1028 IEEE80211_STA_PRIVACY_INVOKED;
1031 case IW_AUTH_80211_AUTH_ALG:
1032 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
1033 sdata->vif.type == NL80211_IFTYPE_ADHOC)
1034 sdata->u.sta.auth_algs = data->value;
1045 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1046 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1048 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1049 struct iw_statistics *wstats = &local->wstats;
1050 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1051 struct sta_info *sta = NULL;
1055 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
1056 sdata->vif.type == NL80211_IFTYPE_ADHOC)
1057 sta = sta_info_get(local, sdata->u.sta.bssid);
1059 wstats->discard.fragment = 0;
1060 wstats->discard.misc = 0;
1061 wstats->qual.qual = 0;
1062 wstats->qual.level = 0;
1063 wstats->qual.noise = 0;
1064 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1066 wstats->qual.level = sta->last_signal;
1067 wstats->qual.qual = sta->last_qual;
1068 wstats->qual.noise = sta->last_noise;
1069 wstats->qual.updated = local->wstats_flags;
1077 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1078 struct iw_request_info *info,
1079 struct iw_param *data, char *extra)
1081 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1084 switch (data->flags & IW_AUTH_INDEX) {
1085 case IW_AUTH_80211_AUTH_ALG:
1086 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
1087 sdata->vif.type == NL80211_IFTYPE_ADHOC)
1088 data->value = sdata->u.sta.auth_algs;
1100 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1101 struct iw_request_info *info,
1102 struct iw_point *erq, char *extra)
1104 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1105 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1106 int uninitialized_var(alg), idx, i, remove = 0;
1109 case IW_ENCODE_ALG_NONE:
1112 case IW_ENCODE_ALG_WEP:
1115 case IW_ENCODE_ALG_TKIP:
1118 case IW_ENCODE_ALG_CCMP:
1125 if (erq->flags & IW_ENCODE_DISABLED)
1128 idx = erq->flags & IW_ENCODE_INDEX;
1129 if (idx < 1 || idx > 4) {
1131 if (!sdata->default_key)
1133 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1134 if (sdata->default_key == sdata->keys[i]) {
1144 return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
1147 IW_ENCODE_EXT_SET_TX_KEY,
1148 ext->key, ext->key_len);
1152 /* Structures to export the Wireless Handlers */
1154 static const iw_handler ieee80211_handler[] =
1156 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1157 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1158 (iw_handler) NULL, /* SIOCSIWNWID */
1159 (iw_handler) NULL, /* SIOCGIWNWID */
1160 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1161 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1162 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1163 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1164 (iw_handler) NULL, /* SIOCSIWSENS */
1165 (iw_handler) NULL, /* SIOCGIWSENS */
1166 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1167 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1168 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1169 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1170 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1171 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1172 (iw_handler) NULL, /* SIOCSIWSPY */
1173 (iw_handler) NULL, /* SIOCGIWSPY */
1174 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1175 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1176 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1177 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1178 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1179 (iw_handler) NULL, /* SIOCGIWAPLIST */
1180 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1181 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1182 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1183 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1184 (iw_handler) NULL, /* SIOCSIWNICKN */
1185 (iw_handler) NULL, /* SIOCGIWNICKN */
1186 (iw_handler) NULL, /* -- hole -- */
1187 (iw_handler) NULL, /* -- hole -- */
1188 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1189 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1190 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1191 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1192 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1193 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1194 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1195 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1196 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1197 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1198 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1199 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1200 (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
1201 (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
1202 (iw_handler) NULL, /* -- hole -- */
1203 (iw_handler) NULL, /* -- hole -- */
1204 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1205 (iw_handler) NULL, /* SIOCGIWGENIE */
1206 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1207 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1208 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1209 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1210 (iw_handler) NULL, /* SIOCSIWPMKSA */
1211 (iw_handler) NULL, /* -- hole -- */
1214 const struct iw_handler_def ieee80211_iw_handler_def =
1216 .num_standard = ARRAY_SIZE(ieee80211_handler),
1217 .standard = (iw_handler *) ieee80211_handler,
1218 .get_wireless_stats = ieee80211_get_wireless_stats,