blob: 736c32e340f20c4debeee33e77d84994275ba42b [file] [log] [blame]
Jiri Bencf0706e82007-05-05 11:45:53 -07001/*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005-2006, Devicescape Software, Inc.
4 *
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.
8 */
9
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>
21
22#include <net/mac80211.h>
23#include "ieee80211_i.h"
Johannes Berg2c8dccc2008-04-08 15:14:40 -040024#include "led.h"
25#include "rate.h"
Jiri Bencf0706e82007-05-05 11:45:53 -070026#include "wpa.h"
27#include "aes_ccm.h"
Jiri Bencf0706e82007-05-05 11:45:53 -070028
Johannes Bergb708e612007-09-14 11:10:25 -040029
Jiri Bencf0706e82007-05-05 11:45:53 -070030static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
Johannes Berg628a1402007-09-26 17:53:17 +020031 int idx, int alg, int remove,
32 int set_tx_key, const u8 *_key,
33 size_t key_len)
Jiri Bencf0706e82007-05-05 11:45:53 -070034{
35 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
Johannes Bergd0709a62008-02-25 16:27:46 +010036 struct sta_info *sta;
Johannes Berg11a843b2007-08-28 17:01:55 -040037 struct ieee80211_key *key;
Jiri Bencf0706e82007-05-05 11:45:53 -070038 struct ieee80211_sub_if_data *sdata;
Johannes Berg3b967662008-04-08 17:56:52 +020039 int err;
Jiri Bencf0706e82007-05-05 11:45:53 -070040
41 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
42
Volker Braun139c3a02007-09-14 11:10:25 -040043 if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
44 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
45 dev->name, idx);
46 return -EINVAL;
47 }
48
Johannes Berg628a1402007-09-26 17:53:17 +020049 if (remove) {
Johannes Berg3b967662008-04-08 17:56:52 +020050 rcu_read_lock();
51
52 err = 0;
53
Johannes Bergdb4d1162008-02-25 16:27:45 +010054 if (is_broadcast_ether_addr(sta_addr)) {
55 key = sdata->keys[idx];
56 } else {
57 sta = sta_info_get(local, sta_addr);
Johannes Berg3b967662008-04-08 17:56:52 +020058 if (!sta) {
59 err = -ENOENT;
60 goto out_unlock;
61 }
Johannes Bergdb4d1162008-02-25 16:27:45 +010062 key = sta->key;
Jiri Bencf0706e82007-05-05 11:45:53 -070063 }
Johannes Bergdb4d1162008-02-25 16:27:45 +010064
Johannes Bergd0709a62008-02-25 16:27:46 +010065 ieee80211_key_free(key);
Johannes Bergdb4d1162008-02-25 16:27:45 +010066 } else {
67 key = ieee80211_key_alloc(alg, idx, key_len, _key);
68 if (!key)
69 return -ENOMEM;
70
Johannes Bergd0709a62008-02-25 16:27:46 +010071 sta = NULL;
Johannes Berg3b967662008-04-08 17:56:52 +020072 err = 0;
73
74 rcu_read_lock();
Johannes Bergd0709a62008-02-25 16:27:46 +010075
Johannes Bergdb4d1162008-02-25 16:27:45 +010076 if (!is_broadcast_ether_addr(sta_addr)) {
77 set_tx_key = 0;
78 /*
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
82 * work around this.
83 */
84 if (idx != 0 && alg != ALG_WEP) {
Johannes Bergd0709a62008-02-25 16:27:46 +010085 ieee80211_key_free(key);
Johannes Berg3b967662008-04-08 17:56:52 +020086 err = -EINVAL;
87 goto out_unlock;
Johannes Bergdb4d1162008-02-25 16:27:45 +010088 }
89
90 sta = sta_info_get(local, sta_addr);
91 if (!sta) {
Johannes Bergd0709a62008-02-25 16:27:46 +010092 ieee80211_key_free(key);
Johannes Berg3b967662008-04-08 17:56:52 +020093 err = -ENOENT;
94 goto out_unlock;
Johannes Bergdb4d1162008-02-25 16:27:45 +010095 }
96 }
97
Emmanuel Grumbach23976ef2008-06-28 02:50:13 +030098 if (alg == ALG_WEP &&
99 key_len != LEN_WEP40 && key_len != LEN_WEP104) {
100 ieee80211_key_free(key);
101 err = -EINVAL;
102 goto out_unlock;
103 }
104
Johannes Bergdb4d1162008-02-25 16:27:45 +0100105 ieee80211_key_link(key, sdata, sta);
106
107 if (set_tx_key || (!sta && !sdata->default_key && key))
108 ieee80211_set_default_key(sdata, idx);
Jiri Bencf0706e82007-05-05 11:45:53 -0700109 }
110
Johannes Berg3b967662008-04-08 17:56:52 +0200111 out_unlock:
112 rcu_read_unlock();
113
114 return err;
Jiri Bencf0706e82007-05-05 11:45:53 -0700115}
116
117static int ieee80211_ioctl_siwgenie(struct net_device *dev,
118 struct iw_request_info *info,
119 struct iw_point *data, char *extra)
120{
121 struct ieee80211_sub_if_data *sdata;
Jiri Bencf0706e82007-05-05 11:45:53 -0700122
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Bergddd3d2b2007-09-26 17:53:20 +0200124
125 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
126 return -EOPNOTSUPP;
127
Johannes Berg51fb61e2007-12-19 01:31:27 +0100128 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
129 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700130 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
131 if (ret)
132 return ret;
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400133 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
Jiri Bencf0706e82007-05-05 11:45:53 -0700134 ieee80211_sta_req_auth(dev, &sdata->u.sta);
135 return 0;
136 }
137
Jiri Bencf0706e82007-05-05 11:45:53 -0700138 return -EOPNOTSUPP;
139}
140
Jiri Bencf0706e82007-05-05 11:45:53 -0700141static int ieee80211_ioctl_giwname(struct net_device *dev,
142 struct iw_request_info *info,
143 char *name, char *extra)
144{
Tomas Winklerf37d08b2008-06-24 15:50:17 +0300145 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;
148
149
150 sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ];
151 if (sband) {
152 is_a = 1;
153 is_ht |= sband->ht_info.ht_supported;
154 }
155
156 sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ];
157 if (sband) {
158 int i;
159 /* Check for mandatory rates */
160 for (i = 0; i < sband->n_bitrates; i++) {
161 if (sband->bitrates[i].bitrate == 10)
162 is_b = 1;
163 if (sband->bitrates[i].bitrate == 60)
164 is_g = 1;
165 }
166 is_ht |= sband->ht_info.ht_supported;
167 }
168
Johannes Berg8318d782008-01-24 19:38:38 +0100169 strcpy(name, "IEEE 802.11");
Tomas Winklerf37d08b2008-06-24 15:50:17 +0300170 if (is_a)
171 strcat(name, "a");
172 if (is_b)
173 strcat(name, "b");
174 if (is_g)
175 strcat(name, "g");
176 if (is_ht)
177 strcat(name, "n");
Jiri Bencf0706e82007-05-05 11:45:53 -0700178
179 return 0;
180}
181
182
183static int ieee80211_ioctl_giwrange(struct net_device *dev,
184 struct iw_request_info *info,
185 struct iw_point *data, char *extra)
186{
187 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
188 struct iw_range *range = (struct iw_range *) extra;
Johannes Berg8318d782008-01-24 19:38:38 +0100189 enum ieee80211_band band;
Hong Liu333af2f2007-07-10 19:32:08 +0200190 int c = 0;
Jiri Bencf0706e82007-05-05 11:45:53 -0700191
192 data->length = sizeof(struct iw_range);
193 memset(range, 0, sizeof(struct iw_range));
194
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;
201 range->min_rts = 0;
202 range->max_rts = 2347;
203 range->min_frag = 256;
204 range->max_frag = 2346;
205
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;
210
Bruno Randolf566bfe52008-05-08 19:15:40 +0200211 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;
216 else
217 range->max_qual.level = 0;
218
219 if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
220 range->max_qual.noise = -110;
221 else
222 range->max_qual.noise = 0;
223
224 range->max_qual.qual = 100;
Jiri Bencf0706e82007-05-05 11:45:53 -0700225 range->max_qual.updated = local->wstats_flags;
226
Bruno Randolf566bfe52008-05-08 19:15:40 +0200227 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;
Jiri Bencf0706e82007-05-05 11:45:53 -0700231 range->avg_qual.updated = local->wstats_flags;
232
233 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
234 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
235
Hong Liu333af2f2007-07-10 19:32:08 +0200236
Johannes Berg8318d782008-01-24 19:38:38 +0100237 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
238 int i;
239 struct ieee80211_supported_band *sband;
240
241 sband = local->hw.wiphy->bands[band];
242
243 if (!sband)
Hong Liu333af2f2007-07-10 19:32:08 +0200244 continue;
245
Johannes Berg8318d782008-01-24 19:38:38 +0100246 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
247 struct ieee80211_channel *chan = &sband->channels[i];
Hong Liu333af2f2007-07-10 19:32:08 +0200248
Johannes Berg8318d782008-01-24 19:38:38 +0100249 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
250 range->freq[c].i =
251 ieee80211_frequency_to_channel(
252 chan->center_freq);
253 range->freq[c].m = chan->center_freq;
254 range->freq[c].e = 6;
Hong Liu333af2f2007-07-10 19:32:08 +0200255 c++;
256 }
Hong Liu333af2f2007-07-10 19:32:08 +0200257 }
258 }
259 range->num_channels = c;
260 range->num_frequency = c;
261
Jiri Bencf0706e82007-05-05 11:45:53 -0700262 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
Jiri Bencf0706e82007-05-05 11:45:53 -0700263 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
264 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
265
Dan Williams374fdfb2007-12-12 10:25:07 -0500266 range->scan_capa |= IW_SCAN_CAPA_ESSID;
267
Jiri Bencf0706e82007-05-05 11:45:53 -0700268 return 0;
269}
270
271
Jiri Bencf0706e82007-05-05 11:45:53 -0700272static int ieee80211_ioctl_siwmode(struct net_device *dev,
273 struct iw_request_info *info,
274 __u32 *mode, char *extra)
275{
276 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
277 int type;
278
Johannes Berg51fb61e2007-12-19 01:31:27 +0100279 if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
Jiri Bencf0706e82007-05-05 11:45:53 -0700280 return -EOPNOTSUPP;
281
282 switch (*mode) {
283 case IW_MODE_INFRA:
284 type = IEEE80211_IF_TYPE_STA;
285 break;
286 case IW_MODE_ADHOC:
287 type = IEEE80211_IF_TYPE_IBSS;
288 break;
Johannes Bergb4540482008-04-14 15:37:03 +0200289 case IW_MODE_REPEAT:
290 type = IEEE80211_IF_TYPE_WDS;
291 break;
Jiri Bencf0706e82007-05-05 11:45:53 -0700292 case IW_MODE_MONITOR:
293 type = IEEE80211_IF_TYPE_MNTR;
294 break;
295 default:
296 return -EINVAL;
297 }
298
Johannes Berg51fb61e2007-12-19 01:31:27 +0100299 if (type == sdata->vif.type)
Jiri Bencf0706e82007-05-05 11:45:53 -0700300 return 0;
301 if (netif_running(dev))
302 return -EBUSY;
303
304 ieee80211_if_reinit(dev);
305 ieee80211_if_set_type(dev, type);
306
307 return 0;
308}
309
310
311static int ieee80211_ioctl_giwmode(struct net_device *dev,
312 struct iw_request_info *info,
313 __u32 *mode, char *extra)
314{
315 struct ieee80211_sub_if_data *sdata;
316
317 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg51fb61e2007-12-19 01:31:27 +0100318 switch (sdata->vif.type) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700319 case IEEE80211_IF_TYPE_AP:
320 *mode = IW_MODE_MASTER;
321 break;
322 case IEEE80211_IF_TYPE_STA:
323 *mode = IW_MODE_INFRA;
324 break;
325 case IEEE80211_IF_TYPE_IBSS:
326 *mode = IW_MODE_ADHOC;
327 break;
328 case IEEE80211_IF_TYPE_MNTR:
329 *mode = IW_MODE_MONITOR;
330 break;
331 case IEEE80211_IF_TYPE_WDS:
332 *mode = IW_MODE_REPEAT;
333 break;
334 case IEEE80211_IF_TYPE_VLAN:
335 *mode = IW_MODE_SECOND; /* FIXME */
336 break;
337 default:
338 *mode = IW_MODE_AUTO;
339 break;
340 }
341 return 0;
342}
343
Assaf Kraussbe038b32008-06-05 19:55:21 +0300344int ieee80211_set_freq(struct net_device *dev, int freqMHz)
Jiri Bencf0706e82007-05-05 11:45:53 -0700345{
Jiri Bencf0706e82007-05-05 11:45:53 -0700346 int ret = -EINVAL;
Johannes Berge048c6e2008-03-16 18:35:56 +0100347 struct ieee80211_channel *chan;
Assaf Kraussbe038b32008-06-05 19:55:21 +0300348 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
349 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Jiri Bencf0706e82007-05-05 11:45:53 -0700350
Johannes Berge048c6e2008-03-16 18:35:56 +0100351 chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
Johannes Berg8318d782008-01-24 19:38:38 +0100352
Johannes Berge048c6e2008-03-16 18:35:56 +0100353 if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
Assaf Kraussbe038b32008-06-05 19:55:21 +0300354 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);
358 return ret;
359 }
Johannes Berge048c6e2008-03-16 18:35:56 +0100360 local->oper_channel = chan;
Johannes Berg8318d782008-01-24 19:38:38 +0100361
Mohamed Abbas675ef582008-03-20 08:14:29 -0700362 if (local->sta_sw_scanning || local->sta_hw_scanning)
Jiri Bencf0706e82007-05-05 11:45:53 -0700363 ret = 0;
364 else
365 ret = ieee80211_hw_config(local);
366
367 rate_control_clear(local);
368 }
369
370 return ret;
371}
372
373static int ieee80211_ioctl_siwfreq(struct net_device *dev,
374 struct iw_request_info *info,
375 struct iw_freq *freq, char *extra)
376{
Jiri Bencf0706e82007-05-05 11:45:53 -0700377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
378
Johannes Berg51fb61e2007-12-19 01:31:27 +0100379 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400380 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
Jiri Bencf0706e82007-05-05 11:45:53 -0700381
382 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
383 if (freq->e == 0) {
384 if (freq->m < 0) {
Johannes Berg51fb61e2007-12-19 01:31:27 +0100385 if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400386 sdata->u.sta.flags |=
387 IEEE80211_STA_AUTO_CHANNEL_SEL;
Jiri Bencf0706e82007-05-05 11:45:53 -0700388 return 0;
389 } else
Assaf Kraussbe038b32008-06-05 19:55:21 +0300390 return ieee80211_set_freq(dev,
Johannes Berg8318d782008-01-24 19:38:38 +0100391 ieee80211_channel_to_frequency(freq->m));
Jiri Bencf0706e82007-05-05 11:45:53 -0700392 } else {
393 int i, div = 1000000;
394 for (i = 0; i < freq->e; i++)
395 div /= 10;
396 if (div > 0)
Assaf Kraussbe038b32008-06-05 19:55:21 +0300397 return ieee80211_set_freq(dev, freq->m / div);
Jiri Bencf0706e82007-05-05 11:45:53 -0700398 else
399 return -EINVAL;
400 }
401}
402
403
404static int ieee80211_ioctl_giwfreq(struct net_device *dev,
405 struct iw_request_info *info,
406 struct iw_freq *freq, char *extra)
407{
408 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
409
Johannes Berg8318d782008-01-24 19:38:38 +0100410 freq->m = local->hw.conf.channel->center_freq;
Jiri Bencf0706e82007-05-05 11:45:53 -0700411 freq->e = 6;
412
413 return 0;
414}
415
416
417static int ieee80211_ioctl_siwessid(struct net_device *dev,
418 struct iw_request_info *info,
419 struct iw_point *data, char *ssid)
420{
Jiri Bencf0706e82007-05-05 11:45:53 -0700421 struct ieee80211_sub_if_data *sdata;
422 size_t len = data->length;
423
424 /* iwconfig uses nul termination in SSID.. */
425 if (len > 0 && ssid[len - 1] == '\0')
426 len--;
427
428 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg51fb61e2007-12-19 01:31:27 +0100429 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
430 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700431 int ret;
Johannes Bergddd3d2b2007-09-26 17:53:20 +0200432 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700433 if (len > IEEE80211_MAX_SSID_LEN)
434 return -EINVAL;
435 memcpy(sdata->u.sta.ssid, ssid, len);
436 sdata->u.sta.ssid_len = len;
437 return 0;
438 }
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400439 if (data->flags)
440 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
441 else
442 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
Jiri Bencf0706e82007-05-05 11:45:53 -0700443 ret = ieee80211_sta_set_ssid(dev, ssid, len);
444 if (ret)
445 return ret;
446 ieee80211_sta_req_auth(dev, &sdata->u.sta);
447 return 0;
448 }
449
Johannes Berg51fb61e2007-12-19 01:31:27 +0100450 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700451 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);
456 }
457 return -EOPNOTSUPP;
458}
459
460
461static int ieee80211_ioctl_giwessid(struct net_device *dev,
462 struct iw_request_info *info,
463 struct iw_point *data, char *ssid)
464{
465 size_t len;
466
467 struct ieee80211_sub_if_data *sdata;
468 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg51fb61e2007-12-19 01:31:27 +0100469 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
470 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700471 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
472 if (res == 0) {
473 data->length = len;
474 data->flags = 1;
475 } else
476 data->flags = 0;
477 return res;
478 }
479
Johannes Berg51fb61e2007-12-19 01:31:27 +0100480 if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700481 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);
485 data->length = len;
486 data->flags = 1;
487 return 0;
488 }
489 return -EOPNOTSUPP;
490}
491
492
493static int ieee80211_ioctl_siwap(struct net_device *dev,
494 struct iw_request_info *info,
495 struct sockaddr *ap_addr, char *extra)
496{
Jiri Bencf0706e82007-05-05 11:45:53 -0700497 struct ieee80211_sub_if_data *sdata;
498
499 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg51fb61e2007-12-19 01:31:27 +0100500 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
501 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700502 int ret;
Johannes Bergddd3d2b2007-09-26 17:53:20 +0200503 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700504 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
505 ETH_ALEN);
506 return 0;
507 }
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400508 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;
Jiri Bencf0706e82007-05-05 11:45:53 -0700513 else
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400514 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
Jiri Bencf0706e82007-05-05 11:45:53 -0700515 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
516 if (ret)
517 return ret;
518 ieee80211_sta_req_auth(dev, &sdata->u.sta);
519 return 0;
Johannes Berg51fb61e2007-12-19 01:31:27 +0100520 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
Johannes Berg44213b52008-02-25 16:27:49 +0100521 /*
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().
527 */
528 if (netif_running(dev))
529 return -EBUSY;
530
531 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
532 ETH_ALEN);
533
534 return 0;
Jiri Bencf0706e82007-05-05 11:45:53 -0700535 }
536
537 return -EOPNOTSUPP;
538}
539
540
541static int ieee80211_ioctl_giwap(struct net_device *dev,
542 struct iw_request_info *info,
543 struct sockaddr *ap_addr, char *extra)
544{
545 struct ieee80211_sub_if_data *sdata;
546
547 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg51fb61e2007-12-19 01:31:27 +0100548 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
549 sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
Abhijeet Kolekar5c5f9662008-06-12 09:47:16 +0800550 if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
551 sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
Abhijeet Kolekard4231ca2008-05-23 10:15:26 -0700552 ap_addr->sa_family = ARPHRD_ETHER;
553 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
554 return 0;
555 } else {
556 memset(&ap_addr->sa_data, 0, ETH_ALEN);
557 return 0;
558 }
Johannes Berg51fb61e2007-12-19 01:31:27 +0100559 } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
Jiri Bencf0706e82007-05-05 11:45:53 -0700560 ap_addr->sa_family = ARPHRD_ETHER;
561 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
562 return 0;
563 }
564
565 return -EOPNOTSUPP;
566}
567
568
569static int ieee80211_ioctl_siwscan(struct net_device *dev,
570 struct iw_request_info *info,
Bill Moss107acb22007-10-10 16:23:55 -0400571 union iwreq_data *wrqu, char *extra)
Jiri Bencf0706e82007-05-05 11:45:53 -0700572{
Jiri Bencf0706e82007-05-05 11:45:53 -0700573 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Bill Moss107acb22007-10-10 16:23:55 -0400574 struct iw_scan_req *req = NULL;
Jiri Bencf0706e82007-05-05 11:45:53 -0700575 u8 *ssid = NULL;
576 size_t ssid_len = 0;
577
578 if (!netif_running(dev))
579 return -ENETDOWN;
580
Johannes Berg51fb61e2007-12-19 01:31:27 +0100581 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
582 sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
Luis Carlos Coboee385852008-02-23 15:17:11 +0100583 sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
Johannes Berg51fb61e2007-12-19 01:31:27 +0100584 sdata->vif.type != IEEE80211_IF_TYPE_AP)
John W. Linvilled114f392007-10-17 21:16:16 -0700585 return -EOPNOTSUPP;
John W. Linvilled114f392007-10-17 21:16:16 -0700586
587 /* if SSID was specified explicitly then use that */
Bill Moss107acb22007-10-10 16:23:55 -0400588 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
589 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
590 req = (struct iw_scan_req *)extra;
591 ssid = req->essid;
592 ssid_len = req->essid_len;
Jiri Bencf0706e82007-05-05 11:45:53 -0700593 }
Daniel Drakef27b62d2007-07-27 15:43:24 +0200594
Jiri Bencf0706e82007-05-05 11:45:53 -0700595 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
596}
597
598
599static int ieee80211_ioctl_giwscan(struct net_device *dev,
600 struct iw_request_info *info,
601 struct iw_point *data, char *extra)
602{
603 int res;
604 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
Zhu Yiece8edd2007-11-22 10:53:21 +0800605
606 if (local->sta_sw_scanning || local->sta_hw_scanning)
Jiri Bencf0706e82007-05-05 11:45:53 -0700607 return -EAGAIN;
Zhu Yiece8edd2007-11-22 10:53:21 +0800608
David S. Millerccc58052008-06-16 18:50:49 -0700609 res = ieee80211_sta_scan_results(dev, info, extra, data->length);
Jiri Bencf0706e82007-05-05 11:45:53 -0700610 if (res >= 0) {
611 data->length = res;
612 return 0;
613 }
614 data->length = 0;
615 return res;
616}
617
618
Larry Finger1fd5e582007-07-10 19:32:10 +0200619static int ieee80211_ioctl_siwrate(struct net_device *dev,
620 struct iw_request_info *info,
621 struct iw_param *rate, char *extra)
622{
623 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
Johannes Berg8318d782008-01-24 19:38:38 +0100624 int i, err = -EINVAL;
Larry Finger1fd5e582007-07-10 19:32:10 +0200625 u32 target_rate = rate->value / 100000;
626 struct ieee80211_sub_if_data *sdata;
Johannes Berg8318d782008-01-24 19:38:38 +0100627 struct ieee80211_supported_band *sband;
Larry Finger1fd5e582007-07-10 19:32:10 +0200628
629 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
630 if (!sdata->bss)
631 return -ENODEV;
Johannes Berg8318d782008-01-24 19:38:38 +0100632
633 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
634
Larry Finger1fd5e582007-07-10 19:32:10 +0200635 /* 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;
640 if (rate->value < 0)
641 return 0;
Johannes Berg8318d782008-01-24 19:38:38 +0100642
643 for (i=0; i< sband->n_bitrates; i++) {
644 struct ieee80211_rate *brate = &sband->bitrates[i];
645 int this_rate = brate->bitrate;
Larry Finger1fd5e582007-07-10 19:32:10 +0200646
Larry Finger1fd5e582007-07-10 19:32:10 +0200647 if (target_rate == this_rate) {
648 sdata->bss->max_ratectrl_rateidx = i;
649 if (rate->fixed)
650 sdata->bss->force_unicast_rateidx = i;
Johannes Berg8318d782008-01-24 19:38:38 +0100651 err = 0;
652 break;
Larry Finger1fd5e582007-07-10 19:32:10 +0200653 }
654 }
Johannes Berg8318d782008-01-24 19:38:38 +0100655 return err;
Larry Finger1fd5e582007-07-10 19:32:10 +0200656}
657
Larry Fingerb3d88ad2007-06-10 17:57:33 -0700658static int ieee80211_ioctl_giwrate(struct net_device *dev,
659 struct iw_request_info *info,
660 struct iw_param *rate, char *extra)
661{
662 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
663 struct sta_info *sta;
664 struct ieee80211_sub_if_data *sdata;
Johannes Berg8318d782008-01-24 19:38:38 +0100665 struct ieee80211_supported_band *sband;
Larry Fingerb3d88ad2007-06-10 17:57:33 -0700666
667 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg8318d782008-01-24 19:38:38 +0100668
Johannes Berg380a9422008-04-04 23:40:35 +0200669 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
Larry Fingerb3d88ad2007-06-10 17:57:33 -0700670 return -EOPNOTSUPP;
Johannes Berg8318d782008-01-24 19:38:38 +0100671
672 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
673
Johannes Berg380a9422008-04-04 23:40:35 +0200674 rcu_read_lock();
675
676 sta = sta_info_get(local, sdata->u.sta.bssid);
677
678 if (sta && sta->txrate_idx < sband->n_bitrates)
Johannes Berg8318d782008-01-24 19:38:38 +0100679 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
Larry Fingerb3d88ad2007-06-10 17:57:33 -0700680 else
681 rate->value = 0;
Johannes Berg380a9422008-04-04 23:40:35 +0200682
683 rcu_read_unlock();
684
685 if (!sta)
686 return -ENODEV;
687
Johannes Berg8318d782008-01-24 19:38:38 +0100688 rate->value *= 100000;
Johannes Bergd0709a62008-02-25 16:27:46 +0100689
Larry Fingerb3d88ad2007-06-10 17:57:33 -0700690 return 0;
691}
692
Michael Buesch61609bc2007-09-20 22:06:39 +0200693static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
694 struct iw_request_info *info,
695 union iwreq_data *data, char *extra)
696{
697 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
698 bool need_reconfig = 0;
Johannes Berg8318d782008-01-24 19:38:38 +0100699 int new_power_level;
Michael Buesch61609bc2007-09-20 22:06:39 +0200700
701 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
702 return -EINVAL;
703 if (data->txpower.flags & IW_TXPOW_RANGE)
704 return -EINVAL;
Michael Buesch61609bc2007-09-20 22:06:39 +0200705
Mattias Nissler6a432952007-10-24 23:30:36 +0200706 if (data->txpower.fixed) {
707 new_power_level = data->txpower.value;
708 } else {
Johannes Berg8318d782008-01-24 19:38:38 +0100709 /*
710 * Automatic power level. Use maximum power for the current
711 * channel. Should be part of rate control.
712 */
713 struct ieee80211_channel* chan = local->hw.conf.channel;
Mattias Nissler6a432952007-10-24 23:30:36 +0200714 if (!chan)
715 return -EINVAL;
716
Johannes Berg8318d782008-01-24 19:38:38 +0100717 new_power_level = chan->max_power;
Mattias Nissler6a432952007-10-24 23:30:36 +0200718 }
719
720 if (local->hw.conf.power_level != new_power_level) {
721 local->hw.conf.power_level = new_power_level;
Michael Buesch61609bc2007-09-20 22:06:39 +0200722 need_reconfig = 1;
723 }
Mattias Nissler6a432952007-10-24 23:30:36 +0200724
Michael Buesch61609bc2007-09-20 22:06:39 +0200725 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
726 local->hw.conf.radio_enabled = !(data->txpower.disabled);
727 need_reconfig = 1;
Ivo van Doorncdcb0062008-01-07 19:45:24 +0100728 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
Michael Buesch61609bc2007-09-20 22:06:39 +0200729 }
Mattias Nissler6a432952007-10-24 23:30:36 +0200730
Michael Buesch61609bc2007-09-20 22:06:39 +0200731 if (need_reconfig) {
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. */
736 }
737
738 return 0;
739}
740
Larry Fingerfe6aa302007-08-10 11:23:20 -0500741static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
742 struct iw_request_info *info,
743 union iwreq_data *data, char *extra)
744{
745 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
746
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;
751
752 return 0;
753}
754
Jiri Bencf0706e82007-05-05 11:45:53 -0700755static int ieee80211_ioctl_siwrts(struct net_device *dev,
756 struct iw_request_info *info,
757 struct iw_param *rts, char *extra)
758{
759 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
760
761 if (rts->disabled)
762 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
Emmanuel Grumbachfa6adfe2008-06-24 13:37:58 +0300763 else if (!rts->fixed)
764 /* if the rts value is not fixed, then take default */
765 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
Jiri Bencf0706e82007-05-05 11:45:53 -0700766 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
767 return -EINVAL;
768 else
769 local->rts_threshold = rts->value;
770
771 /* If the wlan card performs RTS/CTS in hardware/firmware,
772 * configure it here */
773
774 if (local->ops->set_rts_threshold)
775 local->ops->set_rts_threshold(local_to_hw(local),
776 local->rts_threshold);
777
778 return 0;
779}
780
781static int ieee80211_ioctl_giwrts(struct net_device *dev,
782 struct iw_request_info *info,
783 struct iw_param *rts, char *extra)
784{
785 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
786
787 rts->value = local->rts_threshold;
788 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
789 rts->fixed = 1;
790
791 return 0;
792}
793
794
795static int ieee80211_ioctl_siwfrag(struct net_device *dev,
796 struct iw_request_info *info,
797 struct iw_param *frag, char *extra)
798{
799 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
800
801 if (frag->disabled)
802 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
Emmanuel Grumbache4abd4d2008-07-03 18:02:27 +0300803 else if (!frag->fixed)
804 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
Jiri Bencf0706e82007-05-05 11:45:53 -0700805 else if (frag->value < 256 ||
806 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
807 return -EINVAL;
808 else {
809 /* Fragment length must be even, so strip LSB. */
810 local->fragmentation_threshold = frag->value & ~0x1;
811 }
812
813 /* If the wlan card performs fragmentation in hardware/firmware,
814 * configure it here */
815
816 if (local->ops->set_frag_threshold)
817 local->ops->set_frag_threshold(
818 local_to_hw(local),
819 local->fragmentation_threshold);
820
821 return 0;
822}
823
824static int ieee80211_ioctl_giwfrag(struct net_device *dev,
825 struct iw_request_info *info,
826 struct iw_param *frag, char *extra)
827{
828 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
829
830 frag->value = local->fragmentation_threshold;
831 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
832 frag->fixed = 1;
833
834 return 0;
835}
836
837
838static int ieee80211_ioctl_siwretry(struct net_device *dev,
839 struct iw_request_info *info,
840 struct iw_param *retry, char *extra)
841{
842 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
843
844 if (retry->disabled ||
845 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
846 return -EINVAL;
847
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;
852 else {
853 local->long_retry_limit = retry->value;
854 local->short_retry_limit = retry->value;
855 }
856
857 if (local->ops->set_retry_limit) {
858 return local->ops->set_retry_limit(
859 local_to_hw(local),
860 local->short_retry_limit,
861 local->long_retry_limit);
862 }
863
864 return 0;
865}
866
867
868static int ieee80211_ioctl_giwretry(struct net_device *dev,
869 struct iw_request_info *info,
870 struct iw_param *retry, char *extra)
871{
872 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
873
874 retry->disabled = 0;
875 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
876 /* first return min value, iwconfig will ask max value
877 * later if needed */
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;
882 return 0;
883 }
884 if (retry->flags & IW_RETRY_MAX) {
885 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
886 retry->value = local->long_retry_limit;
887 }
888
889 return 0;
890}
891
Jiri Bencf0706e82007-05-05 11:45:53 -0700892static int ieee80211_ioctl_siwmlme(struct net_device *dev,
893 struct iw_request_info *info,
894 struct iw_point *data, char *extra)
895{
896 struct ieee80211_sub_if_data *sdata;
897 struct iw_mlme *mlme = (struct iw_mlme *) extra;
898
899 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg51fb61e2007-12-19 01:31:27 +0100900 if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
901 sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
Jiri Bencf0706e82007-05-05 11:45:53 -0700902 return -EINVAL;
903
904 switch (mlme->cmd) {
905 case IW_MLME_DEAUTH:
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);
911 default:
912 return -EOPNOTSUPP;
913 }
914}
915
916
917static int ieee80211_ioctl_siwencode(struct net_device *dev,
918 struct iw_request_info *info,
919 struct iw_point *erq, char *keybuf)
920{
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 };
Johannes Berg628a1402007-09-26 17:53:17 +0200924 int remove = 0;
Jiri Bencf0706e82007-05-05 11:45:53 -0700925
926 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
927
928 idx = erq->flags & IW_ENCODE_INDEX;
929 if (idx == 0) {
930 if (sdata->default_key)
931 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
932 if (sdata->default_key == sdata->keys[i]) {
933 idx = i;
934 break;
935 }
936 }
937 } else if (idx < 1 || idx > 4)
938 return -EINVAL;
939 else
940 idx--;
941
942 if (erq->flags & IW_ENCODE_DISABLED)
Johannes Berg628a1402007-09-26 17:53:17 +0200943 remove = 1;
Jiri Bencf0706e82007-05-05 11:45:53 -0700944 else if (erq->length == 0) {
945 /* No key data - just set the default TX key index */
Johannes Berg11a843b2007-08-28 17:01:55 -0400946 ieee80211_set_default_key(sdata, idx);
Jiri Bencf0706e82007-05-05 11:45:53 -0700947 return 0;
948 }
949
950 return ieee80211_set_encryption(
951 dev, bcaddr,
Johannes Berg628a1402007-09-26 17:53:17 +0200952 idx, alg, remove,
Jiri Bencf0706e82007-05-05 11:45:53 -0700953 !sdata->default_key,
954 keybuf, erq->length);
955}
956
957
958static int ieee80211_ioctl_giwencode(struct net_device *dev,
959 struct iw_request_info *info,
960 struct iw_point *erq, char *key)
961{
962 struct ieee80211_sub_if_data *sdata;
963 int idx, i;
964
965 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
966
967 idx = erq->flags & IW_ENCODE_INDEX;
968 if (idx < 1 || idx > 4) {
969 idx = -1;
970 if (!sdata->default_key)
971 idx = 0;
972 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
973 if (sdata->default_key == sdata->keys[i]) {
974 idx = i;
975 break;
976 }
977 }
978 if (idx < 0)
979 return -EINVAL;
980 } else
981 idx--;
982
983 erq->flags = idx + 1;
984
985 if (!sdata->keys[idx]) {
986 erq->length = 0;
987 erq->flags |= IW_ENCODE_DISABLED;
988 return 0;
989 }
990
Johannes Berg8f20fc22007-08-28 17:01:54 -0400991 memcpy(key, sdata->keys[idx]->conf.key,
Johannes Berg11a843b2007-08-28 17:01:55 -0400992 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
Johannes Berg8f20fc22007-08-28 17:01:54 -0400993 erq->length = sdata->keys[idx]->conf.keylen;
Jiri Bencf0706e82007-05-05 11:45:53 -0700994 erq->flags |= IW_ENCODE_ENABLED;
995
Emmanuel Grumbachb9fcc4f2008-06-24 13:37:59 +0300996 if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
997 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
998 switch (ifsta->auth_alg) {
999 case WLAN_AUTH_OPEN:
1000 case WLAN_AUTH_LEAP:
1001 erq->flags |= IW_ENCODE_OPEN;
1002 break;
1003 case WLAN_AUTH_SHARED_KEY:
1004 erq->flags |= IW_ENCODE_RESTRICTED;
1005 break;
1006 }
1007 }
1008
Jiri Bencf0706e82007-05-05 11:45:53 -07001009 return 0;
1010}
1011
1012static int ieee80211_ioctl_siwauth(struct net_device *dev,
1013 struct iw_request_info *info,
1014 struct iw_param *data, char *extra)
1015{
Jiri Bencf0706e82007-05-05 11:45:53 -07001016 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017 int ret = 0;
1018
1019 switch (data->flags & IW_AUTH_INDEX) {
1020 case IW_AUTH_WPA_VERSION:
1021 case IW_AUTH_CIPHER_PAIRWISE:
1022 case IW_AUTH_CIPHER_GROUP:
1023 case IW_AUTH_WPA_ENABLED:
1024 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
Jiri Bencf0706e82007-05-05 11:45:53 -07001025 case IW_AUTH_KEY_MGMT:
Johannes Berg5b98b1f2007-11-03 13:11:10 +00001026 break;
Johannes Bergb1357a82007-11-28 11:04:21 +01001027 case IW_AUTH_DROP_UNENCRYPTED:
1028 sdata->drop_unencrypted = !!data->value;
1029 break;
Johannes Berg5b98b1f2007-11-03 13:11:10 +00001030 case IW_AUTH_PRIVACY_INVOKED:
Johannes Berg51fb61e2007-12-19 01:31:27 +01001031 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
Jiri Bencf0706e82007-05-05 11:45:53 -07001032 ret = -EINVAL;
1033 else {
Johannes Berg5b98b1f2007-11-03 13:11:10 +00001034 sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
Jiri Bencf0706e82007-05-05 11:45:53 -07001035 /*
Johannes Berg5b98b1f2007-11-03 13:11:10 +00001036 * Privacy invoked by wpa_supplicant, store the
1037 * value and allow associating to a protected
1038 * network without having a key up front.
Jiri Bencf0706e82007-05-05 11:45:53 -07001039 */
Johannes Berg5b98b1f2007-11-03 13:11:10 +00001040 if (data->value)
1041 sdata->u.sta.flags |=
1042 IEEE80211_STA_PRIVACY_INVOKED;
Jiri Bencf0706e82007-05-05 11:45:53 -07001043 }
1044 break;
1045 case IW_AUTH_80211_AUTH_ALG:
Johannes Berg51fb61e2007-12-19 01:31:27 +01001046 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1047 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
Jiri Bencf0706e82007-05-05 11:45:53 -07001048 sdata->u.sta.auth_algs = data->value;
1049 else
1050 ret = -EOPNOTSUPP;
1051 break;
Jiri Bencf0706e82007-05-05 11:45:53 -07001052 default:
1053 ret = -EOPNOTSUPP;
1054 break;
1055 }
1056 return ret;
1057}
1058
1059/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1060static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1061{
1062 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1063 struct iw_statistics *wstats = &local->wstats;
1064 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1065 struct sta_info *sta = NULL;
1066
Johannes Berg98dd6a52008-04-10 15:36:09 +02001067 rcu_read_lock();
1068
Johannes Berg51fb61e2007-12-19 01:31:27 +01001069 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1070 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
Jiri Bencf0706e82007-05-05 11:45:53 -07001071 sta = sta_info_get(local, sdata->u.sta.bssid);
1072 if (!sta) {
1073 wstats->discard.fragment = 0;
1074 wstats->discard.misc = 0;
1075 wstats->qual.qual = 0;
1076 wstats->qual.level = 0;
1077 wstats->qual.noise = 0;
1078 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1079 } else {
Bruno Randolf566bfe52008-05-08 19:15:40 +02001080 wstats->qual.level = sta->last_signal;
1081 wstats->qual.qual = sta->last_qual;
Jiri Bencf0706e82007-05-05 11:45:53 -07001082 wstats->qual.noise = sta->last_noise;
1083 wstats->qual.updated = local->wstats_flags;
Jiri Bencf0706e82007-05-05 11:45:53 -07001084 }
Johannes Berg98dd6a52008-04-10 15:36:09 +02001085
1086 rcu_read_unlock();
1087
Jiri Bencf0706e82007-05-05 11:45:53 -07001088 return wstats;
1089}
1090
1091static int ieee80211_ioctl_giwauth(struct net_device *dev,
1092 struct iw_request_info *info,
1093 struct iw_param *data, char *extra)
1094{
1095 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1096 int ret = 0;
1097
1098 switch (data->flags & IW_AUTH_INDEX) {
1099 case IW_AUTH_80211_AUTH_ALG:
Johannes Berg51fb61e2007-12-19 01:31:27 +01001100 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1101 sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
Jiri Bencf0706e82007-05-05 11:45:53 -07001102 data->value = sdata->u.sta.auth_algs;
1103 else
1104 ret = -EOPNOTSUPP;
1105 break;
1106 default:
1107 ret = -EOPNOTSUPP;
1108 break;
1109 }
1110 return ret;
1111}
1112
1113
1114static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1115 struct iw_request_info *info,
1116 struct iw_point *erq, char *extra)
1117{
1118 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1119 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
Johannes Berg628a1402007-09-26 17:53:17 +02001120 int uninitialized_var(alg), idx, i, remove = 0;
Jiri Bencf0706e82007-05-05 11:45:53 -07001121
1122 switch (ext->alg) {
1123 case IW_ENCODE_ALG_NONE:
Johannes Berg628a1402007-09-26 17:53:17 +02001124 remove = 1;
Jiri Bencf0706e82007-05-05 11:45:53 -07001125 break;
1126 case IW_ENCODE_ALG_WEP:
1127 alg = ALG_WEP;
1128 break;
1129 case IW_ENCODE_ALG_TKIP:
1130 alg = ALG_TKIP;
1131 break;
1132 case IW_ENCODE_ALG_CCMP:
1133 alg = ALG_CCMP;
1134 break;
1135 default:
1136 return -EOPNOTSUPP;
1137 }
1138
1139 if (erq->flags & IW_ENCODE_DISABLED)
Johannes Berg628a1402007-09-26 17:53:17 +02001140 remove = 1;
Jiri Bencf0706e82007-05-05 11:45:53 -07001141
1142 idx = erq->flags & IW_ENCODE_INDEX;
1143 if (idx < 1 || idx > 4) {
1144 idx = -1;
1145 if (!sdata->default_key)
1146 idx = 0;
1147 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1148 if (sdata->default_key == sdata->keys[i]) {
1149 idx = i;
1150 break;
1151 }
1152 }
1153 if (idx < 0)
1154 return -EINVAL;
1155 } else
1156 idx--;
1157
1158 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
Johannes Berg628a1402007-09-26 17:53:17 +02001159 remove,
Jiri Bencf0706e82007-05-05 11:45:53 -07001160 ext->ext_flags &
1161 IW_ENCODE_EXT_SET_TX_KEY,
1162 ext->key, ext->key_len);
1163}
1164
1165
Jiri Bencf0706e82007-05-05 11:45:53 -07001166/* Structures to export the Wireless Handlers */
1167
1168static const iw_handler ieee80211_handler[] =
1169{
1170 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1171 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1172 (iw_handler) NULL, /* SIOCSIWNWID */
1173 (iw_handler) NULL, /* SIOCGIWNWID */
1174 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1175 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1176 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1177 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1178 (iw_handler) NULL, /* SIOCSIWSENS */
1179 (iw_handler) NULL, /* SIOCGIWSENS */
1180 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1181 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1182 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1183 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1184 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1185 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
Johannes Berg5d4ecd92007-09-14 11:10:24 -04001186 (iw_handler) NULL, /* SIOCSIWSPY */
1187 (iw_handler) NULL, /* SIOCGIWSPY */
1188 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1189 (iw_handler) NULL, /* SIOCGIWTHRSPY */
Jiri Bencf0706e82007-05-05 11:45:53 -07001190 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1191 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1192 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1193 (iw_handler) NULL, /* SIOCGIWAPLIST */
1194 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1195 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1196 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1197 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1198 (iw_handler) NULL, /* SIOCSIWNICKN */
1199 (iw_handler) NULL, /* SIOCGIWNICKN */
1200 (iw_handler) NULL, /* -- hole -- */
1201 (iw_handler) NULL, /* -- hole -- */
Larry Finger1fd5e582007-07-10 19:32:10 +02001202 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
Larry Fingerb3d88ad2007-06-10 17:57:33 -07001203 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
Jiri Bencf0706e82007-05-05 11:45:53 -07001204 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1205 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1206 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1207 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
Michael Buesch61609bc2007-09-20 22:06:39 +02001208 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
Larry Fingerfe6aa302007-08-10 11:23:20 -05001209 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
Jiri Bencf0706e82007-05-05 11:45:53 -07001210 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1211 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1212 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1213 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1214 (iw_handler) NULL, /* SIOCSIWPOWER */
1215 (iw_handler) NULL, /* SIOCGIWPOWER */
1216 (iw_handler) NULL, /* -- hole -- */
1217 (iw_handler) NULL, /* -- hole -- */
1218 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1219 (iw_handler) NULL, /* SIOCGIWGENIE */
1220 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1221 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1222 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1223 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1224 (iw_handler) NULL, /* SIOCSIWPMKSA */
1225 (iw_handler) NULL, /* -- hole -- */
1226};
1227
Jiri Bencf0706e82007-05-05 11:45:53 -07001228const struct iw_handler_def ieee80211_iw_handler_def =
1229{
1230 .num_standard = ARRAY_SIZE(ieee80211_handler),
Jiri Bencf0706e82007-05-05 11:45:53 -07001231 .standard = (iw_handler *) ieee80211_handler,
Jiri Bencf0706e82007-05-05 11:45:53 -07001232 .get_wireless_stats = ieee80211_get_wireless_stats,
1233};