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Commit | Line | Data |
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f0706e82 JB |
1 | /* |
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" | |
2c8dccc7 JB |
24 | #include "led.h" |
25 | #include "rate.h" | |
f0706e82 JB |
26 | #include "wpa.h" |
27 | #include "aes_ccm.h" | |
f0706e82 | 28 | |
b708e610 | 29 | |
f698d856 | 30 | static int ieee80211_set_encryption(struct ieee80211_sub_if_data *sdata, u8 *sta_addr, |
628a140b JB |
31 | int idx, int alg, int remove, |
32 | int set_tx_key, const u8 *_key, | |
33 | size_t key_len) | |
f0706e82 | 34 | { |
f698d856 | 35 | struct ieee80211_local *local = sdata->local; |
d0709a65 | 36 | struct sta_info *sta; |
11a843b7 | 37 | struct ieee80211_key *key; |
3b96766f | 38 | int err; |
f0706e82 | 39 | |
139c3a04 VB |
40 | if (idx < 0 || idx >= NUM_DEFAULT_KEYS) { |
41 | printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n", | |
f698d856 | 42 | sdata->dev->name, idx); |
139c3a04 VB |
43 | return -EINVAL; |
44 | } | |
45 | ||
db4d1169 | 46 | if (remove) { |
3b96766f JB |
47 | rcu_read_lock(); |
48 | ||
49 | err = 0; | |
50 | ||
db4d1169 JB |
51 | if (is_broadcast_ether_addr(sta_addr)) { |
52 | key = sdata->keys[idx]; | |
53 | } else { | |
54 | sta = sta_info_get(local, sta_addr); | |
3b96766f JB |
55 | if (!sta) { |
56 | err = -ENOENT; | |
57 | goto out_unlock; | |
58 | } | |
db4d1169 | 59 | key = sta->key; |
f0706e82 JB |
60 | } |
61 | ||
d0709a65 | 62 | ieee80211_key_free(key); |
db4d1169 JB |
63 | } else { |
64 | key = ieee80211_key_alloc(alg, idx, key_len, _key); | |
65 | if (!key) | |
66 | return -ENOMEM; | |
67 | ||
d0709a65 | 68 | sta = NULL; |
3b96766f JB |
69 | err = 0; |
70 | ||
71 | rcu_read_lock(); | |
d0709a65 | 72 | |
db4d1169 JB |
73 | if (!is_broadcast_ether_addr(sta_addr)) { |
74 | set_tx_key = 0; | |
75 | /* | |
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 | |
79 | * work around this. | |
80 | */ | |
81 | if (idx != 0 && alg != ALG_WEP) { | |
d0709a65 | 82 | ieee80211_key_free(key); |
3b96766f JB |
83 | err = -EINVAL; |
84 | goto out_unlock; | |
db4d1169 | 85 | } |
f0706e82 | 86 | |
db4d1169 JB |
87 | sta = sta_info_get(local, sta_addr); |
88 | if (!sta) { | |
d0709a65 | 89 | ieee80211_key_free(key); |
3b96766f JB |
90 | err = -ENOENT; |
91 | goto out_unlock; | |
db4d1169 | 92 | } |
f0706e82 JB |
93 | } |
94 | ||
23976efe EG |
95 | if (alg == ALG_WEP && |
96 | key_len != LEN_WEP40 && key_len != LEN_WEP104) { | |
97 | ieee80211_key_free(key); | |
98 | err = -EINVAL; | |
99 | goto out_unlock; | |
100 | } | |
101 | ||
db4d1169 | 102 | ieee80211_key_link(key, sdata, sta); |
f0706e82 | 103 | |
db4d1169 JB |
104 | if (set_tx_key || (!sta && !sdata->default_key && key)) |
105 | ieee80211_set_default_key(sdata, idx); | |
db4d1169 | 106 | } |
f0706e82 | 107 | |
3b96766f JB |
108 | out_unlock: |
109 | rcu_read_unlock(); | |
110 | ||
111 | return err; | |
f0706e82 JB |
112 | } |
113 | ||
114 | static int ieee80211_ioctl_siwgenie(struct net_device *dev, | |
115 | struct iw_request_info *info, | |
116 | struct iw_point *data, char *extra) | |
117 | { | |
118 | struct ieee80211_sub_if_data *sdata; | |
f0706e82 | 119 | |
ddd3d2be JB |
120 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
121 | ||
122 | if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) | |
f0706e82 JB |
123 | return -EOPNOTSUPP; |
124 | ||
05c914fe JB |
125 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
126 | sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
f698d856 | 127 | int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length); |
f0706e82 JB |
128 | if (ret) |
129 | return ret; | |
d6f2da5b | 130 | sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL; |
f698d856 | 131 | ieee80211_sta_req_auth(sdata, &sdata->u.sta); |
f0706e82 JB |
132 | return 0; |
133 | } | |
134 | ||
f0706e82 JB |
135 | return -EOPNOTSUPP; |
136 | } | |
137 | ||
f0706e82 JB |
138 | static int ieee80211_ioctl_giwname(struct net_device *dev, |
139 | struct iw_request_info *info, | |
140 | char *name, char *extra) | |
141 | { | |
f37d08bd TW |
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; | |
145 | ||
146 | ||
147 | sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ]; | |
148 | if (sband) { | |
149 | is_a = 1; | |
150 | is_ht |= sband->ht_info.ht_supported; | |
151 | } | |
152 | ||
153 | sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ]; | |
154 | if (sband) { | |
155 | int i; | |
156 | /* Check for mandatory rates */ | |
157 | for (i = 0; i < sband->n_bitrates; i++) { | |
158 | if (sband->bitrates[i].bitrate == 10) | |
159 | is_b = 1; | |
160 | if (sband->bitrates[i].bitrate == 60) | |
161 | is_g = 1; | |
162 | } | |
163 | is_ht |= sband->ht_info.ht_supported; | |
164 | } | |
165 | ||
8318d78a | 166 | strcpy(name, "IEEE 802.11"); |
f37d08bd TW |
167 | if (is_a) |
168 | strcat(name, "a"); | |
169 | if (is_b) | |
170 | strcat(name, "b"); | |
171 | if (is_g) | |
172 | strcat(name, "g"); | |
173 | if (is_ht) | |
174 | strcat(name, "n"); | |
f0706e82 JB |
175 | |
176 | return 0; | |
177 | } | |
178 | ||
179 | ||
180 | static int ieee80211_ioctl_giwrange(struct net_device *dev, | |
181 | struct iw_request_info *info, | |
182 | struct iw_point *data, char *extra) | |
183 | { | |
184 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
185 | struct iw_range *range = (struct iw_range *) extra; | |
8318d78a | 186 | enum ieee80211_band band; |
333af2f0 | 187 | int c = 0; |
f0706e82 JB |
188 | |
189 | data->length = sizeof(struct iw_range); | |
190 | memset(range, 0, sizeof(struct iw_range)); | |
191 | ||
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; | |
198 | range->min_rts = 0; | |
199 | range->max_rts = 2347; | |
200 | range->min_frag = 256; | |
201 | range->max_frag = 2346; | |
202 | ||
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; | |
207 | ||
566bfe5a BR |
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; | |
213 | else | |
214 | range->max_qual.level = 0; | |
215 | ||
216 | if (local->hw.flags & IEEE80211_HW_NOISE_DBM) | |
217 | range->max_qual.noise = -110; | |
218 | else | |
219 | range->max_qual.noise = 0; | |
220 | ||
221 | range->max_qual.qual = 100; | |
f0706e82 JB |
222 | range->max_qual.updated = local->wstats_flags; |
223 | ||
566bfe5a BR |
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; | |
f0706e82 JB |
228 | range->avg_qual.updated = local->wstats_flags; |
229 | ||
230 | range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | | |
231 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; | |
232 | ||
333af2f0 | 233 | |
8318d78a JB |
234 | for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { |
235 | int i; | |
236 | struct ieee80211_supported_band *sband; | |
237 | ||
238 | sband = local->hw.wiphy->bands[band]; | |
239 | ||
240 | if (!sband) | |
333af2f0 HL |
241 | continue; |
242 | ||
8318d78a JB |
243 | for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { |
244 | struct ieee80211_channel *chan = &sband->channels[i]; | |
333af2f0 | 245 | |
8318d78a JB |
246 | if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { |
247 | range->freq[c].i = | |
248 | ieee80211_frequency_to_channel( | |
249 | chan->center_freq); | |
250 | range->freq[c].m = chan->center_freq; | |
251 | range->freq[c].e = 6; | |
333af2f0 HL |
252 | c++; |
253 | } | |
333af2f0 HL |
254 | } |
255 | } | |
256 | range->num_channels = c; | |
257 | range->num_frequency = c; | |
258 | ||
f0706e82 | 259 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); |
f0706e82 JB |
260 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); |
261 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); | |
262 | ||
374fdfbc DW |
263 | range->scan_capa |= IW_SCAN_CAPA_ESSID; |
264 | ||
f0706e82 JB |
265 | return 0; |
266 | } | |
267 | ||
268 | ||
f0706e82 JB |
269 | static int ieee80211_ioctl_siwmode(struct net_device *dev, |
270 | struct iw_request_info *info, | |
271 | __u32 *mode, char *extra) | |
272 | { | |
273 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3dd3b79a | 274 | struct ieee80211_local *local = sdata->local; |
f0706e82 JB |
275 | int type; |
276 | ||
05c914fe | 277 | if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) |
f0706e82 JB |
278 | return -EOPNOTSUPP; |
279 | ||
280 | switch (*mode) { | |
281 | case IW_MODE_INFRA: | |
05c914fe | 282 | type = NL80211_IFTYPE_STATION; |
f0706e82 JB |
283 | break; |
284 | case IW_MODE_ADHOC: | |
3dd3b79a AK |
285 | /* Setting ad-hoc mode on non ibss channel is not |
286 | * supported. | |
287 | */ | |
288 | if (local->oper_channel && | |
289 | (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS)) | |
290 | return -EOPNOTSUPP; | |
291 | ||
05c914fe | 292 | type = NL80211_IFTYPE_ADHOC; |
f0706e82 | 293 | break; |
b454048c | 294 | case IW_MODE_REPEAT: |
05c914fe | 295 | type = NL80211_IFTYPE_WDS; |
b454048c | 296 | break; |
f0706e82 | 297 | case IW_MODE_MONITOR: |
05c914fe | 298 | type = NL80211_IFTYPE_MONITOR; |
f0706e82 JB |
299 | break; |
300 | default: | |
301 | return -EINVAL; | |
302 | } | |
303 | ||
f3947e2d | 304 | return ieee80211_if_change_type(sdata, type); |
f0706e82 JB |
305 | } |
306 | ||
307 | ||
308 | static int ieee80211_ioctl_giwmode(struct net_device *dev, | |
309 | struct iw_request_info *info, | |
310 | __u32 *mode, char *extra) | |
311 | { | |
312 | struct ieee80211_sub_if_data *sdata; | |
313 | ||
314 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
51fb61e7 | 315 | switch (sdata->vif.type) { |
05c914fe | 316 | case NL80211_IFTYPE_AP: |
f0706e82 JB |
317 | *mode = IW_MODE_MASTER; |
318 | break; | |
05c914fe | 319 | case NL80211_IFTYPE_STATION: |
f0706e82 JB |
320 | *mode = IW_MODE_INFRA; |
321 | break; | |
05c914fe | 322 | case NL80211_IFTYPE_ADHOC: |
f0706e82 JB |
323 | *mode = IW_MODE_ADHOC; |
324 | break; | |
05c914fe | 325 | case NL80211_IFTYPE_MONITOR: |
f0706e82 JB |
326 | *mode = IW_MODE_MONITOR; |
327 | break; | |
05c914fe | 328 | case NL80211_IFTYPE_WDS: |
f0706e82 JB |
329 | *mode = IW_MODE_REPEAT; |
330 | break; | |
05c914fe | 331 | case NL80211_IFTYPE_AP_VLAN: |
f0706e82 JB |
332 | *mode = IW_MODE_SECOND; /* FIXME */ |
333 | break; | |
334 | default: | |
335 | *mode = IW_MODE_AUTO; | |
336 | break; | |
337 | } | |
338 | return 0; | |
339 | } | |
340 | ||
f0706e82 JB |
341 | static int ieee80211_ioctl_siwfreq(struct net_device *dev, |
342 | struct iw_request_info *info, | |
343 | struct iw_freq *freq, char *extra) | |
344 | { | |
f0706e82 JB |
345 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
346 | ||
05c914fe | 347 | if (sdata->vif.type == NL80211_IFTYPE_STATION) |
d6f2da5b | 348 | sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL; |
f0706e82 JB |
349 | |
350 | /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */ | |
351 | if (freq->e == 0) { | |
352 | if (freq->m < 0) { | |
05c914fe | 353 | if (sdata->vif.type == NL80211_IFTYPE_STATION) |
d6f2da5b JS |
354 | sdata->u.sta.flags |= |
355 | IEEE80211_STA_AUTO_CHANNEL_SEL; | |
f0706e82 JB |
356 | return 0; |
357 | } else | |
f698d856 | 358 | return ieee80211_set_freq(sdata, |
8318d78a | 359 | ieee80211_channel_to_frequency(freq->m)); |
f0706e82 JB |
360 | } else { |
361 | int i, div = 1000000; | |
362 | for (i = 0; i < freq->e; i++) | |
363 | div /= 10; | |
364 | if (div > 0) | |
f698d856 | 365 | return ieee80211_set_freq(sdata, freq->m / div); |
f0706e82 JB |
366 | else |
367 | return -EINVAL; | |
368 | } | |
369 | } | |
370 | ||
371 | ||
372 | static int ieee80211_ioctl_giwfreq(struct net_device *dev, | |
373 | struct iw_request_info *info, | |
374 | struct iw_freq *freq, char *extra) | |
375 | { | |
376 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
377 | ||
8318d78a | 378 | freq->m = local->hw.conf.channel->center_freq; |
f0706e82 JB |
379 | freq->e = 6; |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | ||
385 | static int ieee80211_ioctl_siwessid(struct net_device *dev, | |
386 | struct iw_request_info *info, | |
387 | struct iw_point *data, char *ssid) | |
388 | { | |
f0706e82 JB |
389 | struct ieee80211_sub_if_data *sdata; |
390 | size_t len = data->length; | |
391 | ||
392 | /* iwconfig uses nul termination in SSID.. */ | |
393 | if (len > 0 && ssid[len - 1] == '\0') | |
394 | len--; | |
395 | ||
396 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
05c914fe JB |
397 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
398 | sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
f0706e82 | 399 | int ret; |
ddd3d2be | 400 | if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) { |
f0706e82 JB |
401 | if (len > IEEE80211_MAX_SSID_LEN) |
402 | return -EINVAL; | |
403 | memcpy(sdata->u.sta.ssid, ssid, len); | |
404 | sdata->u.sta.ssid_len = len; | |
405 | return 0; | |
406 | } | |
d6f2da5b JS |
407 | if (data->flags) |
408 | sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL; | |
409 | else | |
410 | sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL; | |
f698d856 | 411 | ret = ieee80211_sta_set_ssid(sdata, ssid, len); |
f0706e82 JB |
412 | if (ret) |
413 | return ret; | |
f698d856 | 414 | ieee80211_sta_req_auth(sdata, &sdata->u.sta); |
f0706e82 JB |
415 | return 0; |
416 | } | |
417 | ||
05c914fe | 418 | if (sdata->vif.type == NL80211_IFTYPE_AP) { |
f0706e82 JB |
419 | memcpy(sdata->u.ap.ssid, ssid, len); |
420 | memset(sdata->u.ap.ssid + len, 0, | |
421 | IEEE80211_MAX_SSID_LEN - len); | |
422 | sdata->u.ap.ssid_len = len; | |
9d139c81 | 423 | return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID); |
f0706e82 JB |
424 | } |
425 | return -EOPNOTSUPP; | |
426 | } | |
427 | ||
428 | ||
429 | static int ieee80211_ioctl_giwessid(struct net_device *dev, | |
430 | struct iw_request_info *info, | |
431 | struct iw_point *data, char *ssid) | |
432 | { | |
433 | size_t len; | |
434 | ||
435 | struct ieee80211_sub_if_data *sdata; | |
436 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
05c914fe JB |
437 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
438 | sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
f698d856 | 439 | int res = ieee80211_sta_get_ssid(sdata, ssid, &len); |
f0706e82 JB |
440 | if (res == 0) { |
441 | data->length = len; | |
442 | data->flags = 1; | |
443 | } else | |
444 | data->flags = 0; | |
445 | return res; | |
446 | } | |
447 | ||
05c914fe | 448 | if (sdata->vif.type == NL80211_IFTYPE_AP) { |
f0706e82 JB |
449 | len = sdata->u.ap.ssid_len; |
450 | if (len > IW_ESSID_MAX_SIZE) | |
451 | len = IW_ESSID_MAX_SIZE; | |
452 | memcpy(ssid, sdata->u.ap.ssid, len); | |
453 | data->length = len; | |
454 | data->flags = 1; | |
455 | return 0; | |
456 | } | |
457 | return -EOPNOTSUPP; | |
458 | } | |
459 | ||
460 | ||
461 | static int ieee80211_ioctl_siwap(struct net_device *dev, | |
462 | struct iw_request_info *info, | |
463 | struct sockaddr *ap_addr, char *extra) | |
464 | { | |
f0706e82 JB |
465 | struct ieee80211_sub_if_data *sdata; |
466 | ||
467 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
05c914fe JB |
468 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
469 | sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
f0706e82 | 470 | int ret; |
ddd3d2be | 471 | if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) { |
f0706e82 JB |
472 | memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data, |
473 | ETH_ALEN); | |
474 | return 0; | |
475 | } | |
d6f2da5b JS |
476 | if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) |
477 | sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL | | |
478 | IEEE80211_STA_AUTO_CHANNEL_SEL; | |
479 | else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data)) | |
480 | sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL; | |
f0706e82 | 481 | else |
d6f2da5b | 482 | sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL; |
f698d856 | 483 | ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data); |
f0706e82 JB |
484 | if (ret) |
485 | return ret; | |
f698d856 | 486 | ieee80211_sta_req_auth(sdata, &sdata->u.sta); |
f0706e82 | 487 | return 0; |
05c914fe | 488 | } else if (sdata->vif.type == NL80211_IFTYPE_WDS) { |
44213b5e JB |
489 | /* |
490 | * If it is necessary to update the WDS peer address | |
491 | * while the interface is running, then we need to do | |
492 | * more work here, namely if it is running we need to | |
493 | * add a new and remove the old STA entry, this is | |
494 | * normally handled by _open() and _stop(). | |
495 | */ | |
496 | if (netif_running(dev)) | |
497 | return -EBUSY; | |
498 | ||
499 | memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, | |
500 | ETH_ALEN); | |
501 | ||
502 | return 0; | |
f0706e82 JB |
503 | } |
504 | ||
505 | return -EOPNOTSUPP; | |
506 | } | |
507 | ||
508 | ||
509 | static int ieee80211_ioctl_giwap(struct net_device *dev, | |
510 | struct iw_request_info *info, | |
511 | struct sockaddr *ap_addr, char *extra) | |
512 | { | |
513 | struct ieee80211_sub_if_data *sdata; | |
514 | ||
515 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
05c914fe JB |
516 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
517 | sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
48c2fc59 TW |
518 | if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED || |
519 | sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) { | |
d4231ca3 AK |
520 | ap_addr->sa_family = ARPHRD_ETHER; |
521 | memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN); | |
522 | return 0; | |
523 | } else { | |
524 | memset(&ap_addr->sa_data, 0, ETH_ALEN); | |
525 | return 0; | |
526 | } | |
05c914fe | 527 | } else if (sdata->vif.type == NL80211_IFTYPE_WDS) { |
f0706e82 JB |
528 | ap_addr->sa_family = ARPHRD_ETHER; |
529 | memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN); | |
530 | return 0; | |
531 | } | |
532 | ||
533 | return -EOPNOTSUPP; | |
534 | } | |
535 | ||
536 | ||
537 | static int ieee80211_ioctl_siwscan(struct net_device *dev, | |
538 | struct iw_request_info *info, | |
107acb23 | 539 | union iwreq_data *wrqu, char *extra) |
f0706e82 | 540 | { |
f0706e82 | 541 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
107acb23 | 542 | struct iw_scan_req *req = NULL; |
f0706e82 JB |
543 | u8 *ssid = NULL; |
544 | size_t ssid_len = 0; | |
545 | ||
546 | if (!netif_running(dev)) | |
547 | return -ENETDOWN; | |
548 | ||
05c914fe JB |
549 | if (sdata->vif.type != NL80211_IFTYPE_STATION && |
550 | sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
551 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT && | |
552 | sdata->vif.type != NL80211_IFTYPE_AP) | |
d114f399 | 553 | return -EOPNOTSUPP; |
d114f399 JL |
554 | |
555 | /* if SSID was specified explicitly then use that */ | |
107acb23 BM |
556 | if (wrqu->data.length == sizeof(struct iw_scan_req) && |
557 | wrqu->data.flags & IW_SCAN_THIS_ESSID) { | |
558 | req = (struct iw_scan_req *)extra; | |
559 | ssid = req->essid; | |
560 | ssid_len = req->essid_len; | |
f0706e82 | 561 | } |
f27b62d3 | 562 | |
c2b13452 | 563 | return ieee80211_request_scan(sdata, ssid, ssid_len); |
f0706e82 JB |
564 | } |
565 | ||
566 | ||
567 | static int ieee80211_ioctl_giwscan(struct net_device *dev, | |
568 | struct iw_request_info *info, | |
569 | struct iw_point *data, char *extra) | |
570 | { | |
571 | int res; | |
572 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
f698d856 JBG |
573 | struct ieee80211_sub_if_data *sdata; |
574 | ||
575 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
ece8eddd | 576 | |
c2b13452 | 577 | if (local->sw_scanning || local->hw_scanning) |
f0706e82 | 578 | return -EAGAIN; |
ece8eddd | 579 | |
c2b13452 | 580 | res = ieee80211_scan_results(local, info, extra, data->length); |
f0706e82 JB |
581 | if (res >= 0) { |
582 | data->length = res; | |
583 | return 0; | |
584 | } | |
585 | data->length = 0; | |
586 | return res; | |
587 | } | |
588 | ||
589 | ||
1fd5e589 LF |
590 | static int ieee80211_ioctl_siwrate(struct net_device *dev, |
591 | struct iw_request_info *info, | |
592 | struct iw_param *rate, char *extra) | |
593 | { | |
594 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
8318d78a | 595 | int i, err = -EINVAL; |
1fd5e589 LF |
596 | u32 target_rate = rate->value / 100000; |
597 | struct ieee80211_sub_if_data *sdata; | |
8318d78a | 598 | struct ieee80211_supported_band *sband; |
1fd5e589 LF |
599 | |
600 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
8318d78a JB |
601 | |
602 | sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; | |
603 | ||
1fd5e589 LF |
604 | /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates |
605 | * target_rate = X, rate->fixed = 1 means only rate X | |
606 | * target_rate = X, rate->fixed = 0 means all rates <= X */ | |
3e122be0 JB |
607 | sdata->max_ratectrl_rateidx = -1; |
608 | sdata->force_unicast_rateidx = -1; | |
1fd5e589 LF |
609 | if (rate->value < 0) |
610 | return 0; | |
8318d78a JB |
611 | |
612 | for (i=0; i< sband->n_bitrates; i++) { | |
613 | struct ieee80211_rate *brate = &sband->bitrates[i]; | |
614 | int this_rate = brate->bitrate; | |
1fd5e589 | 615 | |
1fd5e589 | 616 | if (target_rate == this_rate) { |
3e122be0 | 617 | sdata->max_ratectrl_rateidx = i; |
1fd5e589 | 618 | if (rate->fixed) |
3e122be0 | 619 | sdata->force_unicast_rateidx = i; |
8318d78a JB |
620 | err = 0; |
621 | break; | |
1fd5e589 LF |
622 | } |
623 | } | |
8318d78a | 624 | return err; |
1fd5e589 LF |
625 | } |
626 | ||
b3d88ad4 LF |
627 | static int ieee80211_ioctl_giwrate(struct net_device *dev, |
628 | struct iw_request_info *info, | |
629 | struct iw_param *rate, char *extra) | |
630 | { | |
631 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
632 | struct sta_info *sta; | |
633 | struct ieee80211_sub_if_data *sdata; | |
8318d78a | 634 | struct ieee80211_supported_band *sband; |
b3d88ad4 LF |
635 | |
636 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
8318d78a | 637 | |
05c914fe | 638 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
b3d88ad4 | 639 | return -EOPNOTSUPP; |
8318d78a JB |
640 | |
641 | sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; | |
642 | ||
380a942b JB |
643 | rcu_read_lock(); |
644 | ||
645 | sta = sta_info_get(local, sdata->u.sta.bssid); | |
646 | ||
ae17e986 JB |
647 | if (sta && sta->last_txrate_idx < sband->n_bitrates) |
648 | rate->value = sband->bitrates[sta->last_txrate_idx].bitrate; | |
b3d88ad4 LF |
649 | else |
650 | rate->value = 0; | |
380a942b JB |
651 | |
652 | rcu_read_unlock(); | |
653 | ||
654 | if (!sta) | |
655 | return -ENODEV; | |
656 | ||
8318d78a | 657 | rate->value *= 100000; |
d0709a65 | 658 | |
b3d88ad4 LF |
659 | return 0; |
660 | } | |
661 | ||
61609bc0 MB |
662 | static int ieee80211_ioctl_siwtxpower(struct net_device *dev, |
663 | struct iw_request_info *info, | |
664 | union iwreq_data *data, char *extra) | |
665 | { | |
666 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
667 | bool need_reconfig = 0; | |
8318d78a | 668 | int new_power_level; |
61609bc0 MB |
669 | |
670 | if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) | |
671 | return -EINVAL; | |
672 | if (data->txpower.flags & IW_TXPOW_RANGE) | |
673 | return -EINVAL; | |
61609bc0 | 674 | |
6a432955 MN |
675 | if (data->txpower.fixed) { |
676 | new_power_level = data->txpower.value; | |
677 | } else { | |
8318d78a JB |
678 | /* |
679 | * Automatic power level. Use maximum power for the current | |
680 | * channel. Should be part of rate control. | |
681 | */ | |
682 | struct ieee80211_channel* chan = local->hw.conf.channel; | |
6a432955 MN |
683 | if (!chan) |
684 | return -EINVAL; | |
685 | ||
8318d78a | 686 | new_power_level = chan->max_power; |
6a432955 MN |
687 | } |
688 | ||
689 | if (local->hw.conf.power_level != new_power_level) { | |
690 | local->hw.conf.power_level = new_power_level; | |
61609bc0 MB |
691 | need_reconfig = 1; |
692 | } | |
6a432955 | 693 | |
61609bc0 MB |
694 | if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) { |
695 | local->hw.conf.radio_enabled = !(data->txpower.disabled); | |
696 | need_reconfig = 1; | |
cdcb006f | 697 | ieee80211_led_radio(local, local->hw.conf.radio_enabled); |
61609bc0 | 698 | } |
6a432955 | 699 | |
61609bc0 MB |
700 | if (need_reconfig) { |
701 | ieee80211_hw_config(local); | |
702 | /* The return value of hw_config is not of big interest here, | |
703 | * as it doesn't say that it failed because of _this_ config | |
704 | * change or something else. Ignore it. */ | |
705 | } | |
706 | ||
707 | return 0; | |
708 | } | |
709 | ||
fe6aa301 LF |
710 | static int ieee80211_ioctl_giwtxpower(struct net_device *dev, |
711 | struct iw_request_info *info, | |
712 | union iwreq_data *data, char *extra) | |
713 | { | |
714 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
715 | ||
716 | data->txpower.fixed = 1; | |
717 | data->txpower.disabled = !(local->hw.conf.radio_enabled); | |
718 | data->txpower.value = local->hw.conf.power_level; | |
719 | data->txpower.flags = IW_TXPOW_DBM; | |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
f0706e82 JB |
724 | static int ieee80211_ioctl_siwrts(struct net_device *dev, |
725 | struct iw_request_info *info, | |
726 | struct iw_param *rts, char *extra) | |
727 | { | |
728 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
729 | ||
730 | if (rts->disabled) | |
731 | local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; | |
fa6adfe9 EG |
732 | else if (!rts->fixed) |
733 | /* if the rts value is not fixed, then take default */ | |
734 | local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; | |
f0706e82 JB |
735 | else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD) |
736 | return -EINVAL; | |
737 | else | |
738 | local->rts_threshold = rts->value; | |
739 | ||
740 | /* If the wlan card performs RTS/CTS in hardware/firmware, | |
741 | * configure it here */ | |
742 | ||
743 | if (local->ops->set_rts_threshold) | |
744 | local->ops->set_rts_threshold(local_to_hw(local), | |
745 | local->rts_threshold); | |
746 | ||
747 | return 0; | |
748 | } | |
749 | ||
750 | static int ieee80211_ioctl_giwrts(struct net_device *dev, | |
751 | struct iw_request_info *info, | |
752 | struct iw_param *rts, char *extra) | |
753 | { | |
754 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
755 | ||
756 | rts->value = local->rts_threshold; | |
757 | rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD); | |
758 | rts->fixed = 1; | |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
763 | ||
764 | static int ieee80211_ioctl_siwfrag(struct net_device *dev, | |
765 | struct iw_request_info *info, | |
766 | struct iw_param *frag, char *extra) | |
767 | { | |
768 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
769 | ||
770 | if (frag->disabled) | |
771 | local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; | |
e4abd4d4 EG |
772 | else if (!frag->fixed) |
773 | local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; | |
f0706e82 JB |
774 | else if (frag->value < 256 || |
775 | frag->value > IEEE80211_MAX_FRAG_THRESHOLD) | |
776 | return -EINVAL; | |
777 | else { | |
778 | /* Fragment length must be even, so strip LSB. */ | |
779 | local->fragmentation_threshold = frag->value & ~0x1; | |
780 | } | |
781 | ||
782 | /* If the wlan card performs fragmentation in hardware/firmware, | |
783 | * configure it here */ | |
784 | ||
785 | if (local->ops->set_frag_threshold) | |
4233df6b | 786 | return local->ops->set_frag_threshold( |
f0706e82 JB |
787 | local_to_hw(local), |
788 | local->fragmentation_threshold); | |
789 | ||
790 | return 0; | |
791 | } | |
792 | ||
793 | static int ieee80211_ioctl_giwfrag(struct net_device *dev, | |
794 | struct iw_request_info *info, | |
795 | struct iw_param *frag, char *extra) | |
796 | { | |
797 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
798 | ||
799 | frag->value = local->fragmentation_threshold; | |
800 | frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD); | |
801 | frag->fixed = 1; | |
802 | ||
803 | return 0; | |
804 | } | |
805 | ||
806 | ||
807 | static int ieee80211_ioctl_siwretry(struct net_device *dev, | |
808 | struct iw_request_info *info, | |
809 | struct iw_param *retry, char *extra) | |
810 | { | |
811 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
812 | ||
813 | if (retry->disabled || | |
814 | (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) | |
815 | return -EINVAL; | |
816 | ||
817 | if (retry->flags & IW_RETRY_MAX) | |
818 | local->long_retry_limit = retry->value; | |
819 | else if (retry->flags & IW_RETRY_MIN) | |
820 | local->short_retry_limit = retry->value; | |
821 | else { | |
822 | local->long_retry_limit = retry->value; | |
823 | local->short_retry_limit = retry->value; | |
824 | } | |
825 | ||
826 | if (local->ops->set_retry_limit) { | |
827 | return local->ops->set_retry_limit( | |
828 | local_to_hw(local), | |
829 | local->short_retry_limit, | |
830 | local->long_retry_limit); | |
831 | } | |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
836 | ||
837 | static int ieee80211_ioctl_giwretry(struct net_device *dev, | |
838 | struct iw_request_info *info, | |
839 | struct iw_param *retry, char *extra) | |
840 | { | |
841 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
842 | ||
843 | retry->disabled = 0; | |
844 | if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) { | |
845 | /* first return min value, iwconfig will ask max value | |
846 | * later if needed */ | |
847 | retry->flags |= IW_RETRY_LIMIT; | |
848 | retry->value = local->short_retry_limit; | |
849 | if (local->long_retry_limit != local->short_retry_limit) | |
850 | retry->flags |= IW_RETRY_MIN; | |
851 | return 0; | |
852 | } | |
853 | if (retry->flags & IW_RETRY_MAX) { | |
854 | retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX; | |
855 | retry->value = local->long_retry_limit; | |
856 | } | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
f0706e82 JB |
861 | static int ieee80211_ioctl_siwmlme(struct net_device *dev, |
862 | struct iw_request_info *info, | |
863 | struct iw_point *data, char *extra) | |
864 | { | |
865 | struct ieee80211_sub_if_data *sdata; | |
866 | struct iw_mlme *mlme = (struct iw_mlme *) extra; | |
867 | ||
868 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
05c914fe JB |
869 | if (sdata->vif.type != NL80211_IFTYPE_STATION && |
870 | sdata->vif.type != NL80211_IFTYPE_ADHOC) | |
f0706e82 JB |
871 | return -EINVAL; |
872 | ||
873 | switch (mlme->cmd) { | |
874 | case IW_MLME_DEAUTH: | |
875 | /* TODO: mlme->addr.sa_data */ | |
f698d856 | 876 | return ieee80211_sta_deauthenticate(sdata, mlme->reason_code); |
f0706e82 JB |
877 | case IW_MLME_DISASSOC: |
878 | /* TODO: mlme->addr.sa_data */ | |
f698d856 | 879 | return ieee80211_sta_disassociate(sdata, mlme->reason_code); |
f0706e82 JB |
880 | default: |
881 | return -EOPNOTSUPP; | |
882 | } | |
883 | } | |
884 | ||
885 | ||
886 | static int ieee80211_ioctl_siwencode(struct net_device *dev, | |
887 | struct iw_request_info *info, | |
888 | struct iw_point *erq, char *keybuf) | |
889 | { | |
890 | struct ieee80211_sub_if_data *sdata; | |
891 | int idx, i, alg = ALG_WEP; | |
892 | u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
628a140b | 893 | int remove = 0; |
f0706e82 JB |
894 | |
895 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
896 | ||
897 | idx = erq->flags & IW_ENCODE_INDEX; | |
898 | if (idx == 0) { | |
899 | if (sdata->default_key) | |
900 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
901 | if (sdata->default_key == sdata->keys[i]) { | |
902 | idx = i; | |
903 | break; | |
904 | } | |
905 | } | |
906 | } else if (idx < 1 || idx > 4) | |
907 | return -EINVAL; | |
908 | else | |
909 | idx--; | |
910 | ||
911 | if (erq->flags & IW_ENCODE_DISABLED) | |
628a140b | 912 | remove = 1; |
f0706e82 JB |
913 | else if (erq->length == 0) { |
914 | /* No key data - just set the default TX key index */ | |
11a843b7 | 915 | ieee80211_set_default_key(sdata, idx); |
f0706e82 JB |
916 | return 0; |
917 | } | |
918 | ||
919 | return ieee80211_set_encryption( | |
f698d856 | 920 | sdata, bcaddr, |
628a140b | 921 | idx, alg, remove, |
f0706e82 JB |
922 | !sdata->default_key, |
923 | keybuf, erq->length); | |
924 | } | |
925 | ||
926 | ||
927 | static int ieee80211_ioctl_giwencode(struct net_device *dev, | |
928 | struct iw_request_info *info, | |
929 | struct iw_point *erq, char *key) | |
930 | { | |
931 | struct ieee80211_sub_if_data *sdata; | |
932 | int idx, i; | |
933 | ||
934 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
935 | ||
936 | idx = erq->flags & IW_ENCODE_INDEX; | |
937 | if (idx < 1 || idx > 4) { | |
938 | idx = -1; | |
939 | if (!sdata->default_key) | |
940 | idx = 0; | |
941 | else for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
942 | if (sdata->default_key == sdata->keys[i]) { | |
943 | idx = i; | |
944 | break; | |
945 | } | |
946 | } | |
947 | if (idx < 0) | |
948 | return -EINVAL; | |
949 | } else | |
950 | idx--; | |
951 | ||
952 | erq->flags = idx + 1; | |
953 | ||
954 | if (!sdata->keys[idx]) { | |
955 | erq->length = 0; | |
956 | erq->flags |= IW_ENCODE_DISABLED; | |
957 | return 0; | |
958 | } | |
959 | ||
8f20fc24 | 960 | memcpy(key, sdata->keys[idx]->conf.key, |
11a843b7 | 961 | min_t(int, erq->length, sdata->keys[idx]->conf.keylen)); |
8f20fc24 | 962 | erq->length = sdata->keys[idx]->conf.keylen; |
f0706e82 JB |
963 | erq->flags |= IW_ENCODE_ENABLED; |
964 | ||
05c914fe | 965 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { |
b9fcc4f2 EG |
966 | struct ieee80211_if_sta *ifsta = &sdata->u.sta; |
967 | switch (ifsta->auth_alg) { | |
968 | case WLAN_AUTH_OPEN: | |
969 | case WLAN_AUTH_LEAP: | |
970 | erq->flags |= IW_ENCODE_OPEN; | |
971 | break; | |
972 | case WLAN_AUTH_SHARED_KEY: | |
973 | erq->flags |= IW_ENCODE_RESTRICTED; | |
974 | break; | |
975 | } | |
976 | } | |
977 | ||
f0706e82 JB |
978 | return 0; |
979 | } | |
980 | ||
49292d56 SO |
981 | static int ieee80211_ioctl_siwpower(struct net_device *dev, |
982 | struct iw_request_info *info, | |
983 | struct iw_param *wrq, | |
984 | char *extra) | |
985 | { | |
986 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
987 | struct ieee80211_conf *conf = &local->hw.conf; | |
988 | ||
989 | if (wrq->disabled) { | |
990 | conf->flags &= ~IEEE80211_CONF_PS; | |
991 | return ieee80211_hw_config(local); | |
992 | } | |
993 | ||
994 | switch (wrq->flags & IW_POWER_MODE) { | |
995 | case IW_POWER_ON: /* If not specified */ | |
996 | case IW_POWER_MODE: /* If set all mask */ | |
997 | case IW_POWER_ALL_R: /* If explicitely state all */ | |
998 | conf->flags |= IEEE80211_CONF_PS; | |
999 | break; | |
1000 | default: /* Otherwise we don't support it */ | |
1001 | return -EINVAL; | |
1002 | } | |
1003 | ||
1004 | return ieee80211_hw_config(local); | |
1005 | } | |
1006 | ||
1007 | static int ieee80211_ioctl_giwpower(struct net_device *dev, | |
1008 | struct iw_request_info *info, | |
1009 | union iwreq_data *wrqu, | |
1010 | char *extra) | |
1011 | { | |
1012 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1013 | struct ieee80211_conf *conf = &local->hw.conf; | |
1014 | ||
1015 | wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS); | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
f0706e82 JB |
1020 | static int ieee80211_ioctl_siwauth(struct net_device *dev, |
1021 | struct iw_request_info *info, | |
1022 | struct iw_param *data, char *extra) | |
1023 | { | |
f0706e82 JB |
1024 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1025 | int ret = 0; | |
1026 | ||
1027 | switch (data->flags & IW_AUTH_INDEX) { | |
1028 | case IW_AUTH_WPA_VERSION: | |
1029 | case IW_AUTH_CIPHER_PAIRWISE: | |
1030 | case IW_AUTH_CIPHER_GROUP: | |
1031 | case IW_AUTH_WPA_ENABLED: | |
1032 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
f0706e82 | 1033 | case IW_AUTH_KEY_MGMT: |
5b98b1f7 | 1034 | break; |
b1357a81 JB |
1035 | case IW_AUTH_DROP_UNENCRYPTED: |
1036 | sdata->drop_unencrypted = !!data->value; | |
1037 | break; | |
5b98b1f7 | 1038 | case IW_AUTH_PRIVACY_INVOKED: |
05c914fe | 1039 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
f0706e82 JB |
1040 | ret = -EINVAL; |
1041 | else { | |
5b98b1f7 | 1042 | sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED; |
f0706e82 | 1043 | /* |
5b98b1f7 JB |
1044 | * Privacy invoked by wpa_supplicant, store the |
1045 | * value and allow associating to a protected | |
1046 | * network without having a key up front. | |
f0706e82 | 1047 | */ |
5b98b1f7 JB |
1048 | if (data->value) |
1049 | sdata->u.sta.flags |= | |
1050 | IEEE80211_STA_PRIVACY_INVOKED; | |
f0706e82 JB |
1051 | } |
1052 | break; | |
1053 | case IW_AUTH_80211_AUTH_ALG: | |
05c914fe JB |
1054 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
1055 | sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
f0706e82 JB |
1056 | sdata->u.sta.auth_algs = data->value; |
1057 | else | |
1058 | ret = -EOPNOTSUPP; | |
1059 | break; | |
f0706e82 JB |
1060 | default: |
1061 | ret = -EOPNOTSUPP; | |
1062 | break; | |
1063 | } | |
1064 | return ret; | |
1065 | } | |
1066 | ||
1067 | /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ | |
1068 | static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev) | |
1069 | { | |
1070 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1071 | struct iw_statistics *wstats = &local->wstats; | |
1072 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1073 | struct sta_info *sta = NULL; | |
1074 | ||
98dd6a57 JB |
1075 | rcu_read_lock(); |
1076 | ||
05c914fe JB |
1077 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
1078 | sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
f0706e82 JB |
1079 | sta = sta_info_get(local, sdata->u.sta.bssid); |
1080 | if (!sta) { | |
1081 | wstats->discard.fragment = 0; | |
1082 | wstats->discard.misc = 0; | |
1083 | wstats->qual.qual = 0; | |
1084 | wstats->qual.level = 0; | |
1085 | wstats->qual.noise = 0; | |
1086 | wstats->qual.updated = IW_QUAL_ALL_INVALID; | |
1087 | } else { | |
566bfe5a BR |
1088 | wstats->qual.level = sta->last_signal; |
1089 | wstats->qual.qual = sta->last_qual; | |
f0706e82 JB |
1090 | wstats->qual.noise = sta->last_noise; |
1091 | wstats->qual.updated = local->wstats_flags; | |
f0706e82 | 1092 | } |
98dd6a57 JB |
1093 | |
1094 | rcu_read_unlock(); | |
1095 | ||
f0706e82 JB |
1096 | return wstats; |
1097 | } | |
1098 | ||
1099 | static int ieee80211_ioctl_giwauth(struct net_device *dev, | |
1100 | struct iw_request_info *info, | |
1101 | struct iw_param *data, char *extra) | |
1102 | { | |
1103 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1104 | int ret = 0; | |
1105 | ||
1106 | switch (data->flags & IW_AUTH_INDEX) { | |
1107 | case IW_AUTH_80211_AUTH_ALG: | |
05c914fe JB |
1108 | if (sdata->vif.type == NL80211_IFTYPE_STATION || |
1109 | sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
f0706e82 JB |
1110 | data->value = sdata->u.sta.auth_algs; |
1111 | else | |
1112 | ret = -EOPNOTSUPP; | |
1113 | break; | |
1114 | default: | |
1115 | ret = -EOPNOTSUPP; | |
1116 | break; | |
1117 | } | |
1118 | return ret; | |
1119 | } | |
1120 | ||
1121 | ||
1122 | static int ieee80211_ioctl_siwencodeext(struct net_device *dev, | |
1123 | struct iw_request_info *info, | |
1124 | struct iw_point *erq, char *extra) | |
1125 | { | |
1126 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1127 | struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; | |
628a140b | 1128 | int uninitialized_var(alg), idx, i, remove = 0; |
f0706e82 JB |
1129 | |
1130 | switch (ext->alg) { | |
1131 | case IW_ENCODE_ALG_NONE: | |
628a140b | 1132 | remove = 1; |
f0706e82 JB |
1133 | break; |
1134 | case IW_ENCODE_ALG_WEP: | |
1135 | alg = ALG_WEP; | |
1136 | break; | |
1137 | case IW_ENCODE_ALG_TKIP: | |
1138 | alg = ALG_TKIP; | |
1139 | break; | |
1140 | case IW_ENCODE_ALG_CCMP: | |
1141 | alg = ALG_CCMP; | |
1142 | break; | |
1143 | default: | |
1144 | return -EOPNOTSUPP; | |
1145 | } | |
1146 | ||
1147 | if (erq->flags & IW_ENCODE_DISABLED) | |
628a140b | 1148 | remove = 1; |
f0706e82 JB |
1149 | |
1150 | idx = erq->flags & IW_ENCODE_INDEX; | |
1151 | if (idx < 1 || idx > 4) { | |
1152 | idx = -1; | |
1153 | if (!sdata->default_key) | |
1154 | idx = 0; | |
1155 | else for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
1156 | if (sdata->default_key == sdata->keys[i]) { | |
1157 | idx = i; | |
1158 | break; | |
1159 | } | |
1160 | } | |
1161 | if (idx < 0) | |
1162 | return -EINVAL; | |
1163 | } else | |
1164 | idx--; | |
1165 | ||
f698d856 | 1166 | return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg, |
628a140b | 1167 | remove, |
f0706e82 JB |
1168 | ext->ext_flags & |
1169 | IW_ENCODE_EXT_SET_TX_KEY, | |
1170 | ext->key, ext->key_len); | |
1171 | } | |
1172 | ||
1173 | ||
f0706e82 JB |
1174 | /* Structures to export the Wireless Handlers */ |
1175 | ||
1176 | static const iw_handler ieee80211_handler[] = | |
1177 | { | |
1178 | (iw_handler) NULL, /* SIOCSIWCOMMIT */ | |
1179 | (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */ | |
1180 | (iw_handler) NULL, /* SIOCSIWNWID */ | |
1181 | (iw_handler) NULL, /* SIOCGIWNWID */ | |
1182 | (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */ | |
1183 | (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */ | |
1184 | (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */ | |
1185 | (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */ | |
1186 | (iw_handler) NULL, /* SIOCSIWSENS */ | |
1187 | (iw_handler) NULL, /* SIOCGIWSENS */ | |
1188 | (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ | |
1189 | (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */ | |
1190 | (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */ | |
1191 | (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */ | |
1192 | (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */ | |
1193 | (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */ | |
5d4ecd93 JB |
1194 | (iw_handler) NULL, /* SIOCSIWSPY */ |
1195 | (iw_handler) NULL, /* SIOCGIWSPY */ | |
1196 | (iw_handler) NULL, /* SIOCSIWTHRSPY */ | |
1197 | (iw_handler) NULL, /* SIOCGIWTHRSPY */ | |
f0706e82 JB |
1198 | (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */ |
1199 | (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */ | |
1200 | (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */ | |
1201 | (iw_handler) NULL, /* SIOCGIWAPLIST */ | |
1202 | (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */ | |
1203 | (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */ | |
1204 | (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */ | |
1205 | (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */ | |
1206 | (iw_handler) NULL, /* SIOCSIWNICKN */ | |
1207 | (iw_handler) NULL, /* SIOCGIWNICKN */ | |
1208 | (iw_handler) NULL, /* -- hole -- */ | |
1209 | (iw_handler) NULL, /* -- hole -- */ | |
1fd5e589 | 1210 | (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */ |
b3d88ad4 | 1211 | (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */ |
f0706e82 JB |
1212 | (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */ |
1213 | (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */ | |
1214 | (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */ | |
1215 | (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */ | |
61609bc0 | 1216 | (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */ |
fe6aa301 | 1217 | (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */ |
f0706e82 JB |
1218 | (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */ |
1219 | (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */ | |
1220 | (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */ | |
1221 | (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */ | |
49292d56 SO |
1222 | (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */ |
1223 | (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */ | |
f0706e82 JB |
1224 | (iw_handler) NULL, /* -- hole -- */ |
1225 | (iw_handler) NULL, /* -- hole -- */ | |
1226 | (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */ | |
1227 | (iw_handler) NULL, /* SIOCGIWGENIE */ | |
1228 | (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */ | |
1229 | (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */ | |
1230 | (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ | |
1231 | (iw_handler) NULL, /* SIOCGIWENCODEEXT */ | |
1232 | (iw_handler) NULL, /* SIOCSIWPMKSA */ | |
1233 | (iw_handler) NULL, /* -- hole -- */ | |
1234 | }; | |
1235 | ||
f0706e82 JB |
1236 | const struct iw_handler_def ieee80211_iw_handler_def = |
1237 | { | |
1238 | .num_standard = ARRAY_SIZE(ieee80211_handler), | |
f0706e82 | 1239 | .standard = (iw_handler *) ieee80211_handler, |
f0706e82 JB |
1240 | .get_wireless_stats = ieee80211_get_wireless_stats, |
1241 | }; |