2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005-2006, Devicescape Software, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/netdevice.h>
13 #include <linux/types.h>
14 #include <linux/slab.h>
15 #include <linux/skbuff.h>
16 #include <linux/etherdevice.h>
17 #include <linux/if_arp.h>
18 #include <linux/wireless.h>
19 #include <net/iw_handler.h>
20 #include <asm/uaccess.h>
22 #include <net/mac80211.h>
23 #include "ieee80211_i.h"
24 #include "ieee80211_led.h"
25 #include "ieee80211_rate.h"
30 static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
31 int idx, int alg, int remove,
32 int set_tx_key, const u8 *_key,
35 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
38 struct ieee80211_key *key;
39 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",
49 if (is_broadcast_ether_addr(sta_addr)) {
51 key = sdata->keys[idx];
55 * According to the standard, the key index of a pairwise
56 * key must be zero. However, some AP are broken when it
57 * comes to WEP key indices, so we work around this.
59 if (idx != 0 && alg != ALG_WEP) {
60 printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
61 "individual key\n", dev->name);
65 sta = sta_info_get(local, sta_addr);
67 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
69 printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
71 dev->name, print_mac(mac, sta_addr));
72 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
81 ieee80211_key_free(key);
85 * Automatically frees any old key if present.
87 key = ieee80211_key_alloc(sdata, sta, alg, idx, key_len, _key);
94 if (set_tx_key || (!sta && !sdata->default_key && key))
95 ieee80211_set_default_key(sdata, idx);
104 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
105 struct iw_request_info *info,
106 struct iw_point *data, char *extra)
108 struct ieee80211_sub_if_data *sdata;
110 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
112 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
115 if (sdata->type == IEEE80211_IF_TYPE_STA ||
116 sdata->type == IEEE80211_IF_TYPE_IBSS) {
117 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
120 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
121 ieee80211_sta_req_auth(dev, &sdata->u.sta);
128 static int ieee80211_ioctl_giwname(struct net_device *dev,
129 struct iw_request_info *info,
130 char *name, char *extra)
132 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
134 switch (local->hw.conf.phymode) {
135 case MODE_IEEE80211A:
136 strcpy(name, "IEEE 802.11a");
138 case MODE_IEEE80211B:
139 strcpy(name, "IEEE 802.11b");
141 case MODE_IEEE80211G:
142 strcpy(name, "IEEE 802.11g");
145 strcpy(name, "IEEE 802.11");
153 static int ieee80211_ioctl_giwrange(struct net_device *dev,
154 struct iw_request_info *info,
155 struct iw_point *data, char *extra)
157 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
158 struct iw_range *range = (struct iw_range *) extra;
159 struct ieee80211_hw_mode *mode = NULL;
162 data->length = sizeof(struct iw_range);
163 memset(range, 0, sizeof(struct iw_range));
165 range->we_version_compiled = WIRELESS_EXT;
166 range->we_version_source = 21;
167 range->retry_capa = IW_RETRY_LIMIT;
168 range->retry_flags = IW_RETRY_LIMIT;
169 range->min_retry = 0;
170 range->max_retry = 255;
172 range->max_rts = 2347;
173 range->min_frag = 256;
174 range->max_frag = 2346;
176 range->encoding_size[0] = 5;
177 range->encoding_size[1] = 13;
178 range->num_encoding_sizes = 2;
179 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
181 range->max_qual.qual = local->hw.max_signal;
182 range->max_qual.level = local->hw.max_rssi;
183 range->max_qual.noise = local->hw.max_noise;
184 range->max_qual.updated = local->wstats_flags;
186 range->avg_qual.qual = local->hw.max_signal/2;
187 range->avg_qual.level = 0;
188 range->avg_qual.noise = 0;
189 range->avg_qual.updated = local->wstats_flags;
191 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
192 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
194 list_for_each_entry(mode, &local->modes_list, list) {
197 if (!(local->enabled_modes & (1 << mode->mode)) ||
198 (local->hw_modes & local->enabled_modes &
199 (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))
202 while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) {
203 struct ieee80211_channel *chan = &mode->channels[i];
205 if (chan->flag & IEEE80211_CHAN_W_SCAN) {
206 range->freq[c].i = chan->chan;
207 range->freq[c].m = chan->freq * 100000;
208 range->freq[c].e = 1;
214 range->num_channels = c;
215 range->num_frequency = c;
217 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
218 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
219 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
220 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
222 range->scan_capa |= IW_SCAN_CAPA_ESSID;
228 static int ieee80211_ioctl_siwmode(struct net_device *dev,
229 struct iw_request_info *info,
230 __u32 *mode, char *extra)
232 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
235 if (sdata->type == IEEE80211_IF_TYPE_VLAN)
240 type = IEEE80211_IF_TYPE_STA;
243 type = IEEE80211_IF_TYPE_IBSS;
245 case IW_MODE_MONITOR:
246 type = IEEE80211_IF_TYPE_MNTR;
252 if (type == sdata->type)
254 if (netif_running(dev))
257 ieee80211_if_reinit(dev);
258 ieee80211_if_set_type(dev, type);
264 static int ieee80211_ioctl_giwmode(struct net_device *dev,
265 struct iw_request_info *info,
266 __u32 *mode, char *extra)
268 struct ieee80211_sub_if_data *sdata;
270 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
271 switch (sdata->type) {
272 case IEEE80211_IF_TYPE_AP:
273 *mode = IW_MODE_MASTER;
275 case IEEE80211_IF_TYPE_STA:
276 *mode = IW_MODE_INFRA;
278 case IEEE80211_IF_TYPE_IBSS:
279 *mode = IW_MODE_ADHOC;
281 case IEEE80211_IF_TYPE_MNTR:
282 *mode = IW_MODE_MONITOR;
284 case IEEE80211_IF_TYPE_WDS:
285 *mode = IW_MODE_REPEAT;
287 case IEEE80211_IF_TYPE_VLAN:
288 *mode = IW_MODE_SECOND; /* FIXME */
291 *mode = IW_MODE_AUTO;
297 int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
299 struct ieee80211_hw_mode *mode;
303 list_for_each_entry(mode, &local->modes_list, list) {
304 if (!(local->enabled_modes & (1 << mode->mode)))
306 for (c = 0; c < mode->num_channels; c++) {
307 struct ieee80211_channel *chan = &mode->channels[c];
308 if (chan->flag & IEEE80211_CHAN_W_SCAN &&
309 ((chan->chan == channel) || (chan->freq == freq))) {
310 local->oper_channel = chan;
311 local->oper_hw_mode = mode;
321 if (local->sta_sw_scanning)
324 ret = ieee80211_hw_config(local);
326 rate_control_clear(local);
332 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
333 struct iw_request_info *info,
334 struct iw_freq *freq, char *extra)
336 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
337 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
339 if (sdata->type == IEEE80211_IF_TYPE_STA)
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->type == IEEE80211_IF_TYPE_STA)
346 sdata->u.sta.flags |=
347 IEEE80211_STA_AUTO_CHANNEL_SEL;
350 return ieee80211_set_channel(local, freq->m, -1);
352 int i, div = 1000000;
353 for (i = 0; i < freq->e; i++)
356 return ieee80211_set_channel(local, -1, freq->m / div);
363 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
364 struct iw_request_info *info,
365 struct iw_freq *freq, char *extra)
367 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
369 /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
370 * driver for the current channel with firmware-based management */
372 freq->m = local->hw.conf.freq;
379 static int ieee80211_ioctl_siwessid(struct net_device *dev,
380 struct iw_request_info *info,
381 struct iw_point *data, char *ssid)
383 struct ieee80211_sub_if_data *sdata;
384 size_t len = data->length;
386 /* iwconfig uses nul termination in SSID.. */
387 if (len > 0 && ssid[len - 1] == '\0')
390 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
391 if (sdata->type == IEEE80211_IF_TYPE_STA ||
392 sdata->type == IEEE80211_IF_TYPE_IBSS) {
394 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
395 if (len > IEEE80211_MAX_SSID_LEN)
397 memcpy(sdata->u.sta.ssid, ssid, len);
398 sdata->u.sta.ssid_len = len;
402 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
404 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
405 ret = ieee80211_sta_set_ssid(dev, ssid, len);
408 ieee80211_sta_req_auth(dev, &sdata->u.sta);
412 if (sdata->type == IEEE80211_IF_TYPE_AP) {
413 memcpy(sdata->u.ap.ssid, ssid, len);
414 memset(sdata->u.ap.ssid + len, 0,
415 IEEE80211_MAX_SSID_LEN - len);
416 sdata->u.ap.ssid_len = len;
417 return ieee80211_if_config(dev);
423 static int ieee80211_ioctl_giwessid(struct net_device *dev,
424 struct iw_request_info *info,
425 struct iw_point *data, char *ssid)
429 struct ieee80211_sub_if_data *sdata;
430 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
431 if (sdata->type == IEEE80211_IF_TYPE_STA ||
432 sdata->type == IEEE80211_IF_TYPE_IBSS) {
433 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
442 if (sdata->type == IEEE80211_IF_TYPE_AP) {
443 len = sdata->u.ap.ssid_len;
444 if (len > IW_ESSID_MAX_SIZE)
445 len = IW_ESSID_MAX_SIZE;
446 memcpy(ssid, sdata->u.ap.ssid, len);
455 static int ieee80211_ioctl_siwap(struct net_device *dev,
456 struct iw_request_info *info,
457 struct sockaddr *ap_addr, char *extra)
459 struct ieee80211_sub_if_data *sdata;
461 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
462 if (sdata->type == IEEE80211_IF_TYPE_STA ||
463 sdata->type == IEEE80211_IF_TYPE_IBSS) {
465 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
466 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
470 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
471 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
472 IEEE80211_STA_AUTO_CHANNEL_SEL;
473 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
474 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
476 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
477 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
480 ieee80211_sta_req_auth(dev, &sdata->u.sta);
482 } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
483 if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
486 return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
493 static int ieee80211_ioctl_giwap(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->type == IEEE80211_IF_TYPE_STA ||
501 sdata->type == IEEE80211_IF_TYPE_IBSS) {
502 ap_addr->sa_family = ARPHRD_ETHER;
503 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
505 } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
506 ap_addr->sa_family = ARPHRD_ETHER;
507 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
515 static int ieee80211_ioctl_siwscan(struct net_device *dev,
516 struct iw_request_info *info,
517 union iwreq_data *wrqu, char *extra)
519 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
520 struct iw_scan_req *req = NULL;
524 if (!netif_running(dev))
527 if (sdata->type != IEEE80211_IF_TYPE_STA &&
528 sdata->type != IEEE80211_IF_TYPE_IBSS &&
529 sdata->type != IEEE80211_IF_TYPE_AP) {
533 /* if SSID was specified explicitly then use that */
534 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
535 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
536 req = (struct iw_scan_req *)extra;
538 ssid_len = req->essid_len;
541 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
545 static int ieee80211_ioctl_giwscan(struct net_device *dev,
546 struct iw_request_info *info,
547 struct iw_point *data, char *extra)
550 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
552 if (local->sta_sw_scanning || local->sta_hw_scanning)
555 res = ieee80211_sta_scan_results(dev, extra, data->length);
565 static int ieee80211_ioctl_siwrate(struct net_device *dev,
566 struct iw_request_info *info,
567 struct iw_param *rate, char *extra)
569 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
570 struct ieee80211_hw_mode *mode;
572 u32 target_rate = rate->value / 100000;
573 struct ieee80211_sub_if_data *sdata;
575 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
578 mode = local->oper_hw_mode;
579 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
580 * target_rate = X, rate->fixed = 1 means only rate X
581 * target_rate = X, rate->fixed = 0 means all rates <= X */
582 sdata->bss->max_ratectrl_rateidx = -1;
583 sdata->bss->force_unicast_rateidx = -1;
586 for (i=0; i < mode->num_rates; i++) {
587 struct ieee80211_rate *rates = &mode->rates[i];
588 int this_rate = rates->rate;
590 if (target_rate == this_rate) {
591 sdata->bss->max_ratectrl_rateidx = i;
593 sdata->bss->force_unicast_rateidx = i;
600 static int ieee80211_ioctl_giwrate(struct net_device *dev,
601 struct iw_request_info *info,
602 struct iw_param *rate, char *extra)
604 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
605 struct sta_info *sta;
606 struct ieee80211_sub_if_data *sdata;
608 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
609 if (sdata->type == IEEE80211_IF_TYPE_STA)
610 sta = sta_info_get(local, sdata->u.sta.bssid);
615 if (sta->txrate < local->oper_hw_mode->num_rates)
616 rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
623 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
624 struct iw_request_info *info,
625 union iwreq_data *data, char *extra)
627 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
628 bool need_reconfig = 0;
631 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
633 if (data->txpower.flags & IW_TXPOW_RANGE)
636 if (data->txpower.fixed) {
637 new_power_level = data->txpower.value;
639 /* Automatic power level. Get the px power from the current
641 struct ieee80211_channel* chan = local->oper_channel;
645 new_power_level = chan->power_level;
648 if (local->hw.conf.power_level != new_power_level) {
649 local->hw.conf.power_level = new_power_level;
653 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
654 local->hw.conf.radio_enabled = !(data->txpower.disabled);
656 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
660 ieee80211_hw_config(local);
661 /* The return value of hw_config is not of big interest here,
662 * as it doesn't say that it failed because of _this_ config
663 * change or something else. Ignore it. */
669 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
670 struct iw_request_info *info,
671 union iwreq_data *data, char *extra)
673 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
675 data->txpower.fixed = 1;
676 data->txpower.disabled = !(local->hw.conf.radio_enabled);
677 data->txpower.value = local->hw.conf.power_level;
678 data->txpower.flags = IW_TXPOW_DBM;
683 static int ieee80211_ioctl_siwrts(struct net_device *dev,
684 struct iw_request_info *info,
685 struct iw_param *rts, char *extra)
687 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
690 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
691 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
694 local->rts_threshold = rts->value;
696 /* If the wlan card performs RTS/CTS in hardware/firmware,
697 * configure it here */
699 if (local->ops->set_rts_threshold)
700 local->ops->set_rts_threshold(local_to_hw(local),
701 local->rts_threshold);
706 static int ieee80211_ioctl_giwrts(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);
712 rts->value = local->rts_threshold;
713 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
720 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
721 struct iw_request_info *info,
722 struct iw_param *frag, char *extra)
724 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
727 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
728 else if (frag->value < 256 ||
729 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
732 /* Fragment length must be even, so strip LSB. */
733 local->fragmentation_threshold = frag->value & ~0x1;
736 /* If the wlan card performs fragmentation in hardware/firmware,
737 * configure it here */
739 if (local->ops->set_frag_threshold)
740 local->ops->set_frag_threshold(
742 local->fragmentation_threshold);
747 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
748 struct iw_request_info *info,
749 struct iw_param *frag, char *extra)
751 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
753 frag->value = local->fragmentation_threshold;
754 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
761 static int ieee80211_ioctl_siwretry(struct net_device *dev,
762 struct iw_request_info *info,
763 struct iw_param *retry, char *extra)
765 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
767 if (retry->disabled ||
768 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
771 if (retry->flags & IW_RETRY_MAX)
772 local->long_retry_limit = retry->value;
773 else if (retry->flags & IW_RETRY_MIN)
774 local->short_retry_limit = retry->value;
776 local->long_retry_limit = retry->value;
777 local->short_retry_limit = retry->value;
780 if (local->ops->set_retry_limit) {
781 return local->ops->set_retry_limit(
783 local->short_retry_limit,
784 local->long_retry_limit);
791 static int ieee80211_ioctl_giwretry(struct net_device *dev,
792 struct iw_request_info *info,
793 struct iw_param *retry, char *extra)
795 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
798 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
799 /* first return min value, iwconfig will ask max value
801 retry->flags |= IW_RETRY_LIMIT;
802 retry->value = local->short_retry_limit;
803 if (local->long_retry_limit != local->short_retry_limit)
804 retry->flags |= IW_RETRY_MIN;
807 if (retry->flags & IW_RETRY_MAX) {
808 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
809 retry->value = local->long_retry_limit;
815 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
816 struct iw_request_info *info,
817 struct iw_point *data, char *extra)
819 struct ieee80211_sub_if_data *sdata;
820 struct iw_mlme *mlme = (struct iw_mlme *) extra;
822 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
823 if (sdata->type != IEEE80211_IF_TYPE_STA &&
824 sdata->type != IEEE80211_IF_TYPE_IBSS)
829 /* TODO: mlme->addr.sa_data */
830 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
831 case IW_MLME_DISASSOC:
832 /* TODO: mlme->addr.sa_data */
833 return ieee80211_sta_disassociate(dev, mlme->reason_code);
840 static int ieee80211_ioctl_siwencode(struct net_device *dev,
841 struct iw_request_info *info,
842 struct iw_point *erq, char *keybuf)
844 struct ieee80211_sub_if_data *sdata;
845 int idx, i, alg = ALG_WEP;
846 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
849 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
851 idx = erq->flags & IW_ENCODE_INDEX;
853 if (sdata->default_key)
854 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
855 if (sdata->default_key == sdata->keys[i]) {
860 } else if (idx < 1 || idx > 4)
865 if (erq->flags & IW_ENCODE_DISABLED)
867 else if (erq->length == 0) {
868 /* No key data - just set the default TX key index */
869 ieee80211_set_default_key(sdata, idx);
873 return ieee80211_set_encryption(
877 keybuf, erq->length);
881 static int ieee80211_ioctl_giwencode(struct net_device *dev,
882 struct iw_request_info *info,
883 struct iw_point *erq, char *key)
885 struct ieee80211_sub_if_data *sdata;
888 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
890 idx = erq->flags & IW_ENCODE_INDEX;
891 if (idx < 1 || idx > 4) {
893 if (!sdata->default_key)
895 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
896 if (sdata->default_key == sdata->keys[i]) {
906 erq->flags = idx + 1;
908 if (!sdata->keys[idx]) {
910 erq->flags |= IW_ENCODE_DISABLED;
914 memcpy(key, sdata->keys[idx]->conf.key,
915 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
916 erq->length = sdata->keys[idx]->conf.keylen;
917 erq->flags |= IW_ENCODE_ENABLED;
922 static int ieee80211_ioctl_siwauth(struct net_device *dev,
923 struct iw_request_info *info,
924 struct iw_param *data, char *extra)
926 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
929 switch (data->flags & IW_AUTH_INDEX) {
930 case IW_AUTH_WPA_VERSION:
931 case IW_AUTH_CIPHER_PAIRWISE:
932 case IW_AUTH_CIPHER_GROUP:
933 case IW_AUTH_WPA_ENABLED:
934 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
935 case IW_AUTH_KEY_MGMT:
937 case IW_AUTH_DROP_UNENCRYPTED:
938 sdata->drop_unencrypted = !!data->value;
940 case IW_AUTH_PRIVACY_INVOKED:
941 if (sdata->type != IEEE80211_IF_TYPE_STA)
944 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
946 * Privacy invoked by wpa_supplicant, store the
947 * value and allow associating to a protected
948 * network without having a key up front.
951 sdata->u.sta.flags |=
952 IEEE80211_STA_PRIVACY_INVOKED;
955 case IW_AUTH_80211_AUTH_ALG:
956 if (sdata->type == IEEE80211_IF_TYPE_STA ||
957 sdata->type == IEEE80211_IF_TYPE_IBSS)
958 sdata->u.sta.auth_algs = data->value;
969 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
970 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
972 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
973 struct iw_statistics *wstats = &local->wstats;
974 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975 struct sta_info *sta = NULL;
977 if (sdata->type == IEEE80211_IF_TYPE_STA ||
978 sdata->type == IEEE80211_IF_TYPE_IBSS)
979 sta = sta_info_get(local, sdata->u.sta.bssid);
981 wstats->discard.fragment = 0;
982 wstats->discard.misc = 0;
983 wstats->qual.qual = 0;
984 wstats->qual.level = 0;
985 wstats->qual.noise = 0;
986 wstats->qual.updated = IW_QUAL_ALL_INVALID;
988 wstats->qual.level = sta->last_rssi;
989 wstats->qual.qual = sta->last_signal;
990 wstats->qual.noise = sta->last_noise;
991 wstats->qual.updated = local->wstats_flags;
997 static int ieee80211_ioctl_giwauth(struct net_device *dev,
998 struct iw_request_info *info,
999 struct iw_param *data, char *extra)
1001 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1004 switch (data->flags & IW_AUTH_INDEX) {
1005 case IW_AUTH_80211_AUTH_ALG:
1006 if (sdata->type == IEEE80211_IF_TYPE_STA ||
1007 sdata->type == IEEE80211_IF_TYPE_IBSS)
1008 data->value = sdata->u.sta.auth_algs;
1020 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1021 struct iw_request_info *info,
1022 struct iw_point *erq, char *extra)
1024 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1025 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1026 int uninitialized_var(alg), idx, i, remove = 0;
1029 case IW_ENCODE_ALG_NONE:
1032 case IW_ENCODE_ALG_WEP:
1035 case IW_ENCODE_ALG_TKIP:
1038 case IW_ENCODE_ALG_CCMP:
1045 if (erq->flags & IW_ENCODE_DISABLED)
1048 idx = erq->flags & IW_ENCODE_INDEX;
1049 if (idx < 1 || idx > 4) {
1051 if (!sdata->default_key)
1053 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1054 if (sdata->default_key == sdata->keys[i]) {
1064 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1067 IW_ENCODE_EXT_SET_TX_KEY,
1068 ext->key, ext->key_len);
1072 /* Structures to export the Wireless Handlers */
1074 static const iw_handler ieee80211_handler[] =
1076 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1077 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1078 (iw_handler) NULL, /* SIOCSIWNWID */
1079 (iw_handler) NULL, /* SIOCGIWNWID */
1080 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1081 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1082 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1083 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1084 (iw_handler) NULL, /* SIOCSIWSENS */
1085 (iw_handler) NULL, /* SIOCGIWSENS */
1086 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1087 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1088 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1089 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1090 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1091 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1092 (iw_handler) NULL, /* SIOCSIWSPY */
1093 (iw_handler) NULL, /* SIOCGIWSPY */
1094 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1095 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1096 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1097 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1098 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1099 (iw_handler) NULL, /* SIOCGIWAPLIST */
1100 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1101 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1102 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1103 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1104 (iw_handler) NULL, /* SIOCSIWNICKN */
1105 (iw_handler) NULL, /* SIOCGIWNICKN */
1106 (iw_handler) NULL, /* -- hole -- */
1107 (iw_handler) NULL, /* -- hole -- */
1108 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1109 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1110 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1111 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1112 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1113 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1114 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1115 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1116 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1117 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1118 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1119 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1120 (iw_handler) NULL, /* SIOCSIWPOWER */
1121 (iw_handler) NULL, /* SIOCGIWPOWER */
1122 (iw_handler) NULL, /* -- hole -- */
1123 (iw_handler) NULL, /* -- hole -- */
1124 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1125 (iw_handler) NULL, /* SIOCGIWGENIE */
1126 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1127 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1128 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1129 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1130 (iw_handler) NULL, /* SIOCSIWPMKSA */
1131 (iw_handler) NULL, /* -- hole -- */
1134 const struct iw_handler_def ieee80211_iw_handler_def =
1136 .num_standard = ARRAY_SIZE(ieee80211_handler),
1137 .standard = (iw_handler *) ieee80211_handler,
1138 .get_wireless_stats = ieee80211_get_wireless_stats,