Commit | Line | Data |
---|---|---|
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" | |
24 | #include "hostapd_ioctl.h" | |
25 | #include "ieee80211_rate.h" | |
26 | #include "wpa.h" | |
27 | #include "aes_ccm.h" | |
e9f207f0 | 28 | #include "debugfs_key.h" |
f0706e82 JB |
29 | |
30 | static int ieee80211_regdom = 0x10; /* FCC */ | |
31 | module_param(ieee80211_regdom, int, 0444); | |
32 | MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK"); | |
33 | ||
34 | /* | |
35 | * If firmware is upgraded by the vendor, additional channels can be used based | |
36 | * on the new Japanese regulatory rules. This is indicated by setting | |
37 | * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel | |
38 | * module. | |
39 | */ | |
40 | static int ieee80211_japan_5ghz /* = 0 */; | |
41 | module_param(ieee80211_japan_5ghz, int, 0444); | |
42 | MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz"); | |
43 | ||
44 | static void ieee80211_set_hw_encryption(struct net_device *dev, | |
45 | struct sta_info *sta, u8 addr[ETH_ALEN], | |
46 | struct ieee80211_key *key) | |
47 | { | |
48 | struct ieee80211_key_conf *keyconf = NULL; | |
49 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
50 | ||
51 | /* default to sw encryption; this will be cleared by low-level | |
52 | * driver if the hw supports requested encryption */ | |
53 | if (key) | |
54 | key->force_sw_encrypt = 1; | |
55 | ||
56 | if (key && local->ops->set_key && | |
57 | (keyconf = ieee80211_key_data2conf(local, key))) { | |
58 | if (local->ops->set_key(local_to_hw(local), SET_KEY, addr, | |
59 | keyconf, sta ? sta->aid : 0)) { | |
60 | key->force_sw_encrypt = 1; | |
61 | key->hw_key_idx = HW_KEY_IDX_INVALID; | |
62 | } else { | |
63 | key->force_sw_encrypt = | |
64 | !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT); | |
65 | key->hw_key_idx = | |
66 | keyconf->hw_key_idx; | |
67 | ||
68 | } | |
69 | } | |
70 | kfree(keyconf); | |
71 | } | |
72 | ||
73 | ||
74 | static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, | |
75 | int idx, int alg, int set_tx_key, | |
76 | const u8 *_key, size_t key_len) | |
77 | { | |
78 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
79 | int ret = 0; | |
80 | struct sta_info *sta; | |
81 | struct ieee80211_key *key, *old_key; | |
82 | int try_hwaccel = 1; | |
83 | struct ieee80211_key_conf *keyconf; | |
84 | struct ieee80211_sub_if_data *sdata; | |
85 | ||
86 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
87 | ||
88 | if (is_broadcast_ether_addr(sta_addr)) { | |
89 | sta = NULL; | |
90 | if (idx >= NUM_DEFAULT_KEYS) { | |
91 | printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n", | |
92 | dev->name, idx); | |
93 | return -EINVAL; | |
94 | } | |
95 | key = sdata->keys[idx]; | |
96 | ||
97 | /* TODO: consider adding hwaccel support for these; at least | |
98 | * Atheros key cache should be able to handle this since AP is | |
99 | * only transmitting frames with default keys. */ | |
100 | /* FIX: hw key cache can be used when only one virtual | |
101 | * STA is associated with each AP. If more than one STA | |
102 | * is associated to the same AP, software encryption | |
103 | * must be used. This should be done automatically | |
104 | * based on configured station devices. For the time | |
105 | * being, this can be only set at compile time. */ | |
106 | } else { | |
107 | set_tx_key = 0; | |
108 | if (idx != 0) { | |
109 | printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for " | |
110 | "individual key\n", dev->name); | |
111 | return -EINVAL; | |
112 | } | |
113 | ||
114 | sta = sta_info_get(local, sta_addr); | |
115 | if (!sta) { | |
116 | #ifdef CONFIG_MAC80211_VERBOSE_DEBUG | |
117 | printk(KERN_DEBUG "%s: set_encrypt - unknown addr " | |
118 | MAC_FMT "\n", | |
119 | dev->name, MAC_ARG(sta_addr)); | |
120 | #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ | |
121 | ||
122 | return -ENOENT; | |
123 | } | |
124 | ||
125 | key = sta->key; | |
126 | } | |
127 | ||
128 | /* FIX: | |
129 | * Cannot configure default hwaccel keys with WEP algorithm, if | |
130 | * any of the virtual interfaces is using static WEP | |
131 | * configuration because hwaccel would otherwise try to decrypt | |
132 | * these frames. | |
133 | * | |
134 | * For now, just disable WEP hwaccel for broadcast when there is | |
135 | * possibility of conflict with default keys. This can maybe later be | |
136 | * optimized by using non-default keys (at least with Atheros ar521x). | |
137 | */ | |
138 | if (!sta && alg == ALG_WEP && !local->default_wep_only && | |
139 | sdata->type != IEEE80211_IF_TYPE_IBSS && | |
140 | sdata->type != IEEE80211_IF_TYPE_AP) { | |
141 | try_hwaccel = 0; | |
142 | } | |
143 | ||
144 | if (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP) { | |
145 | /* Software encryption cannot be used with devices that hide | |
146 | * encryption from the host system, so always try to use | |
147 | * hardware acceleration with such devices. */ | |
148 | try_hwaccel = 1; | |
149 | } | |
150 | ||
151 | if ((local->hw.flags & IEEE80211_HW_NO_TKIP_WMM_HWACCEL) && | |
152 | alg == ALG_TKIP) { | |
153 | if (sta && (sta->flags & WLAN_STA_WME)) { | |
154 | /* Hardware does not support hwaccel with TKIP when using WMM. | |
155 | */ | |
156 | try_hwaccel = 0; | |
157 | } | |
158 | else if (sdata->type == IEEE80211_IF_TYPE_STA) { | |
159 | sta = sta_info_get(local, sdata->u.sta.bssid); | |
160 | if (sta) { | |
161 | if (sta->flags & WLAN_STA_WME) { | |
162 | try_hwaccel = 0; | |
163 | } | |
164 | sta_info_put(sta); | |
165 | sta = NULL; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
170 | if (alg == ALG_NONE) { | |
171 | keyconf = NULL; | |
172 | if (try_hwaccel && key && | |
173 | key->hw_key_idx != HW_KEY_IDX_INVALID && | |
174 | local->ops->set_key && | |
175 | (keyconf = ieee80211_key_data2conf(local, key)) != NULL && | |
176 | local->ops->set_key(local_to_hw(local), DISABLE_KEY, | |
177 | sta_addr, keyconf, sta ? sta->aid : 0)) { | |
178 | printk(KERN_DEBUG "%s: set_encrypt - low-level disable" | |
179 | " failed\n", dev->name); | |
180 | ret = -EINVAL; | |
181 | } | |
182 | kfree(keyconf); | |
183 | ||
e9f207f0 JB |
184 | if (set_tx_key || sdata->default_key == key) { |
185 | ieee80211_debugfs_key_remove_default(sdata); | |
f0706e82 | 186 | sdata->default_key = NULL; |
e9f207f0 JB |
187 | } |
188 | ieee80211_debugfs_key_remove(key); | |
f0706e82 JB |
189 | if (sta) |
190 | sta->key = NULL; | |
191 | else | |
192 | sdata->keys[idx] = NULL; | |
193 | ieee80211_key_free(key); | |
194 | key = NULL; | |
195 | } else { | |
196 | old_key = key; | |
197 | key = ieee80211_key_alloc(sta ? NULL : sdata, idx, key_len, | |
198 | GFP_KERNEL); | |
199 | if (!key) { | |
200 | ret = -ENOMEM; | |
201 | goto err_out; | |
202 | } | |
203 | ||
204 | /* default to sw encryption; low-level driver sets these if the | |
205 | * requested encryption is supported */ | |
206 | key->hw_key_idx = HW_KEY_IDX_INVALID; | |
207 | key->force_sw_encrypt = 1; | |
208 | ||
209 | key->alg = alg; | |
210 | key->keyidx = idx; | |
211 | key->keylen = key_len; | |
212 | memcpy(key->key, _key, key_len); | |
213 | if (set_tx_key) | |
214 | key->default_tx_key = 1; | |
215 | ||
216 | if (alg == ALG_CCMP) { | |
217 | /* Initialize AES key state here as an optimization | |
218 | * so that it does not need to be initialized for every | |
219 | * packet. */ | |
220 | key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt( | |
221 | key->key); | |
222 | if (!key->u.ccmp.tfm) { | |
223 | ret = -ENOMEM; | |
224 | goto err_free; | |
225 | } | |
226 | } | |
227 | ||
e9f207f0 JB |
228 | if (set_tx_key || sdata->default_key == old_key) { |
229 | ieee80211_debugfs_key_remove_default(sdata); | |
f0706e82 | 230 | sdata->default_key = NULL; |
e9f207f0 JB |
231 | } |
232 | ieee80211_debugfs_key_remove(old_key); | |
f0706e82 JB |
233 | if (sta) |
234 | sta->key = key; | |
235 | else | |
236 | sdata->keys[idx] = key; | |
237 | ieee80211_key_free(old_key); | |
e9f207f0 JB |
238 | ieee80211_debugfs_key_add(local, key); |
239 | if (sta) | |
240 | ieee80211_debugfs_key_sta_link(key, sta); | |
f0706e82 JB |
241 | |
242 | if (try_hwaccel && | |
243 | (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP)) | |
244 | ieee80211_set_hw_encryption(dev, sta, sta_addr, key); | |
245 | } | |
246 | ||
247 | if (set_tx_key || (!sta && !sdata->default_key && key)) { | |
248 | sdata->default_key = key; | |
e9f207f0 JB |
249 | if (key) |
250 | ieee80211_debugfs_key_add_default(sdata); | |
f0706e82 JB |
251 | |
252 | if (local->ops->set_key_idx && | |
253 | local->ops->set_key_idx(local_to_hw(local), idx)) | |
254 | printk(KERN_DEBUG "%s: failed to set TX key idx for " | |
255 | "low-level driver\n", dev->name); | |
256 | } | |
257 | ||
258 | if (sta) | |
259 | sta_info_put(sta); | |
260 | ||
261 | return 0; | |
262 | ||
263 | err_free: | |
264 | ieee80211_key_free(key); | |
265 | err_out: | |
266 | if (sta) | |
267 | sta_info_put(sta); | |
268 | return ret; | |
269 | } | |
270 | ||
271 | static int ieee80211_ioctl_siwgenie(struct net_device *dev, | |
272 | struct iw_request_info *info, | |
273 | struct iw_point *data, char *extra) | |
274 | { | |
275 | struct ieee80211_sub_if_data *sdata; | |
276 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
277 | ||
278 | if (local->user_space_mlme) | |
279 | return -EOPNOTSUPP; | |
280 | ||
281 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
282 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
283 | sdata->type == IEEE80211_IF_TYPE_IBSS) { | |
284 | int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length); | |
285 | if (ret) | |
286 | return ret; | |
287 | sdata->u.sta.auto_bssid_sel = 0; | |
288 | ieee80211_sta_req_auth(dev, &sdata->u.sta); | |
289 | return 0; | |
290 | } | |
291 | ||
292 | if (sdata->type == IEEE80211_IF_TYPE_AP) { | |
293 | kfree(sdata->u.ap.generic_elem); | |
294 | sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL); | |
295 | if (!sdata->u.ap.generic_elem) | |
296 | return -ENOMEM; | |
297 | memcpy(sdata->u.ap.generic_elem, extra, data->length); | |
298 | sdata->u.ap.generic_elem_len = data->length; | |
299 | return ieee80211_if_config(dev); | |
300 | } | |
301 | return -EOPNOTSUPP; | |
302 | } | |
303 | ||
304 | static int ieee80211_ioctl_set_radio_enabled(struct net_device *dev, | |
305 | int val) | |
306 | { | |
307 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
308 | struct ieee80211_conf *conf = &local->hw.conf; | |
309 | ||
310 | conf->radio_enabled = val; | |
311 | return ieee80211_hw_config(wdev_priv(dev->ieee80211_ptr)); | |
312 | } | |
313 | ||
314 | static int ieee80211_ioctl_giwname(struct net_device *dev, | |
315 | struct iw_request_info *info, | |
316 | char *name, char *extra) | |
317 | { | |
318 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
319 | ||
320 | switch (local->hw.conf.phymode) { | |
321 | case MODE_IEEE80211A: | |
322 | strcpy(name, "IEEE 802.11a"); | |
323 | break; | |
324 | case MODE_IEEE80211B: | |
325 | strcpy(name, "IEEE 802.11b"); | |
326 | break; | |
327 | case MODE_IEEE80211G: | |
328 | strcpy(name, "IEEE 802.11g"); | |
329 | break; | |
330 | case MODE_ATHEROS_TURBO: | |
331 | strcpy(name, "5GHz Turbo"); | |
332 | break; | |
333 | default: | |
334 | strcpy(name, "IEEE 802.11"); | |
335 | break; | |
336 | } | |
337 | ||
338 | return 0; | |
339 | } | |
340 | ||
341 | ||
342 | static int ieee80211_ioctl_giwrange(struct net_device *dev, | |
343 | struct iw_request_info *info, | |
344 | struct iw_point *data, char *extra) | |
345 | { | |
346 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
347 | struct iw_range *range = (struct iw_range *) extra; | |
348 | ||
349 | data->length = sizeof(struct iw_range); | |
350 | memset(range, 0, sizeof(struct iw_range)); | |
351 | ||
352 | range->we_version_compiled = WIRELESS_EXT; | |
353 | range->we_version_source = 21; | |
354 | range->retry_capa = IW_RETRY_LIMIT; | |
355 | range->retry_flags = IW_RETRY_LIMIT; | |
356 | range->min_retry = 0; | |
357 | range->max_retry = 255; | |
358 | range->min_rts = 0; | |
359 | range->max_rts = 2347; | |
360 | range->min_frag = 256; | |
361 | range->max_frag = 2346; | |
362 | ||
363 | range->encoding_size[0] = 5; | |
364 | range->encoding_size[1] = 13; | |
365 | range->num_encoding_sizes = 2; | |
366 | range->max_encoding_tokens = NUM_DEFAULT_KEYS; | |
367 | ||
368 | range->max_qual.qual = local->hw.max_signal; | |
369 | range->max_qual.level = local->hw.max_rssi; | |
370 | range->max_qual.noise = local->hw.max_noise; | |
371 | range->max_qual.updated = local->wstats_flags; | |
372 | ||
373 | range->avg_qual.qual = local->hw.max_signal/2; | |
374 | range->avg_qual.level = 0; | |
375 | range->avg_qual.noise = 0; | |
376 | range->avg_qual.updated = local->wstats_flags; | |
377 | ||
378 | range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | | |
379 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; | |
380 | ||
381 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); | |
382 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY); | |
383 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); | |
384 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | ||
390 | struct ieee80211_channel_range { | |
391 | short start_freq; | |
392 | short end_freq; | |
393 | unsigned char power_level; | |
394 | unsigned char antenna_max; | |
395 | }; | |
396 | ||
397 | static const struct ieee80211_channel_range ieee80211_fcc_channels[] = { | |
398 | { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */, | |
399 | { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */, | |
400 | { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */, | |
401 | { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */, | |
402 | { 0 } | |
403 | }; | |
404 | ||
405 | static const struct ieee80211_channel_range ieee80211_mkk_channels[] = { | |
406 | { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */, | |
407 | { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */, | |
408 | { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */, | |
409 | { 0 } | |
410 | }; | |
411 | ||
412 | ||
413 | static const struct ieee80211_channel_range *channel_range = | |
414 | ieee80211_fcc_channels; | |
415 | ||
416 | ||
417 | static void ieee80211_unmask_channel(struct net_device *dev, int mode, | |
418 | struct ieee80211_channel *chan) | |
419 | { | |
420 | int i; | |
421 | ||
422 | chan->flag = 0; | |
423 | ||
424 | if (ieee80211_regdom == 64 && | |
425 | (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) { | |
426 | /* Do not allow Turbo modes in Japan. */ | |
427 | return; | |
428 | } | |
429 | ||
430 | for (i = 0; channel_range[i].start_freq; i++) { | |
431 | const struct ieee80211_channel_range *r = &channel_range[i]; | |
432 | if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) { | |
433 | if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz && | |
434 | chan->freq >= 5260 && chan->freq <= 5320) { | |
435 | /* | |
436 | * Skip new channels in Japan since the | |
437 | * firmware was not marked having been upgraded | |
438 | * by the vendor. | |
439 | */ | |
440 | continue; | |
441 | } | |
442 | ||
443 | if (ieee80211_regdom == 0x10 && | |
444 | (chan->freq == 5190 || chan->freq == 5210 || | |
445 | chan->freq == 5230)) { | |
446 | /* Skip MKK channels when in FCC domain. */ | |
447 | continue; | |
448 | } | |
449 | ||
450 | chan->flag |= IEEE80211_CHAN_W_SCAN | | |
451 | IEEE80211_CHAN_W_ACTIVE_SCAN | | |
452 | IEEE80211_CHAN_W_IBSS; | |
453 | chan->power_level = r->power_level; | |
454 | chan->antenna_max = r->antenna_max; | |
455 | ||
456 | if (ieee80211_regdom == 64 && | |
457 | (chan->freq == 5170 || chan->freq == 5190 || | |
458 | chan->freq == 5210 || chan->freq == 5230)) { | |
459 | /* | |
460 | * New regulatory rules in Japan have backwards | |
461 | * compatibility with old channels in 5.15-5.25 | |
462 | * GHz band, but the station is not allowed to | |
463 | * use active scan on these old channels. | |
464 | */ | |
465 | chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN; | |
466 | } | |
467 | ||
468 | if (ieee80211_regdom == 64 && | |
469 | (chan->freq == 5260 || chan->freq == 5280 || | |
470 | chan->freq == 5300 || chan->freq == 5320)) { | |
471 | /* | |
472 | * IBSS is not allowed on 5.25-5.35 GHz band | |
473 | * due to radar detection requirements. | |
474 | */ | |
475 | chan->flag &= ~IEEE80211_CHAN_W_IBSS; | |
476 | } | |
477 | ||
478 | break; | |
479 | } | |
480 | } | |
481 | } | |
482 | ||
483 | ||
484 | static int ieee80211_unmask_channels(struct net_device *dev) | |
485 | { | |
486 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
487 | struct ieee80211_hw_mode *mode; | |
488 | int c; | |
489 | ||
490 | list_for_each_entry(mode, &local->modes_list, list) { | |
491 | for (c = 0; c < mode->num_channels; c++) { | |
492 | ieee80211_unmask_channel(dev, mode->mode, | |
493 | &mode->channels[c]); | |
494 | } | |
495 | } | |
496 | return 0; | |
497 | } | |
498 | ||
499 | ||
500 | int ieee80211_init_client(struct net_device *dev) | |
501 | { | |
502 | if (ieee80211_regdom == 0x40) | |
503 | channel_range = ieee80211_mkk_channels; | |
504 | ieee80211_unmask_channels(dev); | |
505 | return 0; | |
506 | } | |
507 | ||
508 | ||
509 | static int ieee80211_ioctl_siwmode(struct net_device *dev, | |
510 | struct iw_request_info *info, | |
511 | __u32 *mode, char *extra) | |
512 | { | |
513 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
514 | int type; | |
515 | ||
516 | if (sdata->type == IEEE80211_IF_TYPE_VLAN) | |
517 | return -EOPNOTSUPP; | |
518 | ||
519 | switch (*mode) { | |
520 | case IW_MODE_INFRA: | |
521 | type = IEEE80211_IF_TYPE_STA; | |
522 | break; | |
523 | case IW_MODE_ADHOC: | |
524 | type = IEEE80211_IF_TYPE_IBSS; | |
525 | break; | |
526 | case IW_MODE_MONITOR: | |
527 | type = IEEE80211_IF_TYPE_MNTR; | |
528 | break; | |
529 | default: | |
530 | return -EINVAL; | |
531 | } | |
532 | ||
533 | if (type == sdata->type) | |
534 | return 0; | |
535 | if (netif_running(dev)) | |
536 | return -EBUSY; | |
537 | ||
538 | ieee80211_if_reinit(dev); | |
539 | ieee80211_if_set_type(dev, type); | |
540 | ||
541 | return 0; | |
542 | } | |
543 | ||
544 | ||
545 | static int ieee80211_ioctl_giwmode(struct net_device *dev, | |
546 | struct iw_request_info *info, | |
547 | __u32 *mode, char *extra) | |
548 | { | |
549 | struct ieee80211_sub_if_data *sdata; | |
550 | ||
551 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
552 | switch (sdata->type) { | |
553 | case IEEE80211_IF_TYPE_AP: | |
554 | *mode = IW_MODE_MASTER; | |
555 | break; | |
556 | case IEEE80211_IF_TYPE_STA: | |
557 | *mode = IW_MODE_INFRA; | |
558 | break; | |
559 | case IEEE80211_IF_TYPE_IBSS: | |
560 | *mode = IW_MODE_ADHOC; | |
561 | break; | |
562 | case IEEE80211_IF_TYPE_MNTR: | |
563 | *mode = IW_MODE_MONITOR; | |
564 | break; | |
565 | case IEEE80211_IF_TYPE_WDS: | |
566 | *mode = IW_MODE_REPEAT; | |
567 | break; | |
568 | case IEEE80211_IF_TYPE_VLAN: | |
569 | *mode = IW_MODE_SECOND; /* FIXME */ | |
570 | break; | |
571 | default: | |
572 | *mode = IW_MODE_AUTO; | |
573 | break; | |
574 | } | |
575 | return 0; | |
576 | } | |
577 | ||
578 | int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq) | |
579 | { | |
580 | struct ieee80211_hw_mode *mode; | |
581 | int c, set = 0; | |
582 | int ret = -EINVAL; | |
583 | ||
584 | list_for_each_entry(mode, &local->modes_list, list) { | |
585 | if (!(local->enabled_modes & (1 << mode->mode))) | |
586 | continue; | |
587 | for (c = 0; c < mode->num_channels; c++) { | |
588 | struct ieee80211_channel *chan = &mode->channels[c]; | |
589 | if (chan->flag & IEEE80211_CHAN_W_SCAN && | |
590 | ((chan->chan == channel) || (chan->freq == freq))) { | |
591 | /* Use next_mode as the mode preference to | |
592 | * resolve non-unique channel numbers. */ | |
593 | if (set && mode->mode != local->next_mode) | |
594 | continue; | |
595 | ||
596 | local->oper_channel = chan; | |
597 | local->oper_hw_mode = mode; | |
598 | set++; | |
599 | } | |
600 | } | |
601 | } | |
602 | ||
603 | if (set) { | |
604 | if (local->sta_scanning) | |
605 | ret = 0; | |
606 | else | |
607 | ret = ieee80211_hw_config(local); | |
608 | ||
609 | rate_control_clear(local); | |
610 | } | |
611 | ||
612 | return ret; | |
613 | } | |
614 | ||
615 | static int ieee80211_ioctl_siwfreq(struct net_device *dev, | |
616 | struct iw_request_info *info, | |
617 | struct iw_freq *freq, char *extra) | |
618 | { | |
619 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
620 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
621 | ||
622 | if (sdata->type == IEEE80211_IF_TYPE_STA) | |
623 | sdata->u.sta.auto_channel_sel = 0; | |
624 | ||
625 | /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */ | |
626 | if (freq->e == 0) { | |
627 | if (freq->m < 0) { | |
628 | if (sdata->type == IEEE80211_IF_TYPE_STA) | |
629 | sdata->u.sta.auto_channel_sel = 1; | |
630 | return 0; | |
631 | } else | |
632 | return ieee80211_set_channel(local, freq->m, -1); | |
633 | } else { | |
634 | int i, div = 1000000; | |
635 | for (i = 0; i < freq->e; i++) | |
636 | div /= 10; | |
637 | if (div > 0) | |
638 | return ieee80211_set_channel(local, -1, freq->m / div); | |
639 | else | |
640 | return -EINVAL; | |
641 | } | |
642 | } | |
643 | ||
644 | ||
645 | static int ieee80211_ioctl_giwfreq(struct net_device *dev, | |
646 | struct iw_request_info *info, | |
647 | struct iw_freq *freq, char *extra) | |
648 | { | |
649 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
650 | ||
651 | /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level | |
652 | * driver for the current channel with firmware-based management */ | |
653 | ||
654 | freq->m = local->hw.conf.freq; | |
655 | freq->e = 6; | |
656 | ||
657 | return 0; | |
658 | } | |
659 | ||
660 | ||
661 | static int ieee80211_ioctl_siwessid(struct net_device *dev, | |
662 | struct iw_request_info *info, | |
663 | struct iw_point *data, char *ssid) | |
664 | { | |
665 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
666 | struct ieee80211_sub_if_data *sdata; | |
667 | size_t len = data->length; | |
668 | ||
669 | /* iwconfig uses nul termination in SSID.. */ | |
670 | if (len > 0 && ssid[len - 1] == '\0') | |
671 | len--; | |
672 | ||
673 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
674 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
675 | sdata->type == IEEE80211_IF_TYPE_IBSS) { | |
676 | int ret; | |
677 | if (local->user_space_mlme) { | |
678 | if (len > IEEE80211_MAX_SSID_LEN) | |
679 | return -EINVAL; | |
680 | memcpy(sdata->u.sta.ssid, ssid, len); | |
681 | sdata->u.sta.ssid_len = len; | |
682 | return 0; | |
683 | } | |
684 | sdata->u.sta.auto_ssid_sel = !data->flags; | |
685 | ret = ieee80211_sta_set_ssid(dev, ssid, len); | |
686 | if (ret) | |
687 | return ret; | |
688 | ieee80211_sta_req_auth(dev, &sdata->u.sta); | |
689 | return 0; | |
690 | } | |
691 | ||
692 | if (sdata->type == IEEE80211_IF_TYPE_AP) { | |
693 | memcpy(sdata->u.ap.ssid, ssid, len); | |
694 | memset(sdata->u.ap.ssid + len, 0, | |
695 | IEEE80211_MAX_SSID_LEN - len); | |
696 | sdata->u.ap.ssid_len = len; | |
697 | return ieee80211_if_config(dev); | |
698 | } | |
699 | return -EOPNOTSUPP; | |
700 | } | |
701 | ||
702 | ||
703 | static int ieee80211_ioctl_giwessid(struct net_device *dev, | |
704 | struct iw_request_info *info, | |
705 | struct iw_point *data, char *ssid) | |
706 | { | |
707 | size_t len; | |
708 | ||
709 | struct ieee80211_sub_if_data *sdata; | |
710 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
711 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
712 | sdata->type == IEEE80211_IF_TYPE_IBSS) { | |
713 | int res = ieee80211_sta_get_ssid(dev, ssid, &len); | |
714 | if (res == 0) { | |
715 | data->length = len; | |
716 | data->flags = 1; | |
717 | } else | |
718 | data->flags = 0; | |
719 | return res; | |
720 | } | |
721 | ||
722 | if (sdata->type == IEEE80211_IF_TYPE_AP) { | |
723 | len = sdata->u.ap.ssid_len; | |
724 | if (len > IW_ESSID_MAX_SIZE) | |
725 | len = IW_ESSID_MAX_SIZE; | |
726 | memcpy(ssid, sdata->u.ap.ssid, len); | |
727 | data->length = len; | |
728 | data->flags = 1; | |
729 | return 0; | |
730 | } | |
731 | return -EOPNOTSUPP; | |
732 | } | |
733 | ||
734 | ||
735 | static int ieee80211_ioctl_siwap(struct net_device *dev, | |
736 | struct iw_request_info *info, | |
737 | struct sockaddr *ap_addr, char *extra) | |
738 | { | |
739 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
740 | struct ieee80211_sub_if_data *sdata; | |
741 | ||
742 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
743 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
744 | sdata->type == IEEE80211_IF_TYPE_IBSS) { | |
745 | int ret; | |
746 | if (local->user_space_mlme) { | |
747 | memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data, | |
748 | ETH_ALEN); | |
749 | return 0; | |
750 | } | |
751 | if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) { | |
752 | sdata->u.sta.auto_bssid_sel = 1; | |
753 | sdata->u.sta.auto_channel_sel = 1; | |
754 | } else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data)) | |
755 | sdata->u.sta.auto_bssid_sel = 1; | |
756 | else | |
757 | sdata->u.sta.auto_bssid_sel = 0; | |
758 | ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data); | |
759 | if (ret) | |
760 | return ret; | |
761 | ieee80211_sta_req_auth(dev, &sdata->u.sta); | |
762 | return 0; | |
763 | } else if (sdata->type == IEEE80211_IF_TYPE_WDS) { | |
764 | if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, | |
765 | ETH_ALEN) == 0) | |
766 | return 0; | |
767 | return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data); | |
768 | } | |
769 | ||
770 | return -EOPNOTSUPP; | |
771 | } | |
772 | ||
773 | ||
774 | static int ieee80211_ioctl_giwap(struct net_device *dev, | |
775 | struct iw_request_info *info, | |
776 | struct sockaddr *ap_addr, char *extra) | |
777 | { | |
778 | struct ieee80211_sub_if_data *sdata; | |
779 | ||
780 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
781 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
782 | sdata->type == IEEE80211_IF_TYPE_IBSS) { | |
783 | ap_addr->sa_family = ARPHRD_ETHER; | |
784 | memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN); | |
785 | return 0; | |
786 | } else if (sdata->type == IEEE80211_IF_TYPE_WDS) { | |
787 | ap_addr->sa_family = ARPHRD_ETHER; | |
788 | memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN); | |
789 | return 0; | |
790 | } | |
791 | ||
792 | return -EOPNOTSUPP; | |
793 | } | |
794 | ||
795 | ||
796 | static int ieee80211_ioctl_siwscan(struct net_device *dev, | |
797 | struct iw_request_info *info, | |
798 | struct iw_point *data, char *extra) | |
799 | { | |
800 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
801 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
802 | u8 *ssid = NULL; | |
803 | size_t ssid_len = 0; | |
804 | ||
805 | if (!netif_running(dev)) | |
806 | return -ENETDOWN; | |
807 | ||
808 | if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) { | |
809 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
810 | sdata->type == IEEE80211_IF_TYPE_IBSS) { | |
811 | ssid = sdata->u.sta.ssid; | |
812 | ssid_len = sdata->u.sta.ssid_len; | |
813 | } else if (sdata->type == IEEE80211_IF_TYPE_AP) { | |
814 | ssid = sdata->u.ap.ssid; | |
815 | ssid_len = sdata->u.ap.ssid_len; | |
816 | } else | |
817 | return -EINVAL; | |
818 | } | |
819 | return ieee80211_sta_req_scan(dev, ssid, ssid_len); | |
820 | } | |
821 | ||
822 | ||
823 | static int ieee80211_ioctl_giwscan(struct net_device *dev, | |
824 | struct iw_request_info *info, | |
825 | struct iw_point *data, char *extra) | |
826 | { | |
827 | int res; | |
828 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
829 | if (local->sta_scanning) | |
830 | return -EAGAIN; | |
831 | res = ieee80211_sta_scan_results(dev, extra, data->length); | |
832 | if (res >= 0) { | |
833 | data->length = res; | |
834 | return 0; | |
835 | } | |
836 | data->length = 0; | |
837 | return res; | |
838 | } | |
839 | ||
840 | ||
841 | static int ieee80211_ioctl_siwrts(struct net_device *dev, | |
842 | struct iw_request_info *info, | |
843 | struct iw_param *rts, char *extra) | |
844 | { | |
845 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
846 | ||
847 | if (rts->disabled) | |
848 | local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; | |
849 | else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD) | |
850 | return -EINVAL; | |
851 | else | |
852 | local->rts_threshold = rts->value; | |
853 | ||
854 | /* If the wlan card performs RTS/CTS in hardware/firmware, | |
855 | * configure it here */ | |
856 | ||
857 | if (local->ops->set_rts_threshold) | |
858 | local->ops->set_rts_threshold(local_to_hw(local), | |
859 | local->rts_threshold); | |
860 | ||
861 | return 0; | |
862 | } | |
863 | ||
864 | static int ieee80211_ioctl_giwrts(struct net_device *dev, | |
865 | struct iw_request_info *info, | |
866 | struct iw_param *rts, char *extra) | |
867 | { | |
868 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
869 | ||
870 | rts->value = local->rts_threshold; | |
871 | rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD); | |
872 | rts->fixed = 1; | |
873 | ||
874 | return 0; | |
875 | } | |
876 | ||
877 | ||
878 | static int ieee80211_ioctl_siwfrag(struct net_device *dev, | |
879 | struct iw_request_info *info, | |
880 | struct iw_param *frag, char *extra) | |
881 | { | |
882 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
883 | ||
884 | if (frag->disabled) | |
885 | local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; | |
886 | else if (frag->value < 256 || | |
887 | frag->value > IEEE80211_MAX_FRAG_THRESHOLD) | |
888 | return -EINVAL; | |
889 | else { | |
890 | /* Fragment length must be even, so strip LSB. */ | |
891 | local->fragmentation_threshold = frag->value & ~0x1; | |
892 | } | |
893 | ||
894 | /* If the wlan card performs fragmentation in hardware/firmware, | |
895 | * configure it here */ | |
896 | ||
897 | if (local->ops->set_frag_threshold) | |
898 | local->ops->set_frag_threshold( | |
899 | local_to_hw(local), | |
900 | local->fragmentation_threshold); | |
901 | ||
902 | return 0; | |
903 | } | |
904 | ||
905 | static int ieee80211_ioctl_giwfrag(struct net_device *dev, | |
906 | struct iw_request_info *info, | |
907 | struct iw_param *frag, char *extra) | |
908 | { | |
909 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
910 | ||
911 | frag->value = local->fragmentation_threshold; | |
912 | frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD); | |
913 | frag->fixed = 1; | |
914 | ||
915 | return 0; | |
916 | } | |
917 | ||
918 | ||
919 | static int ieee80211_ioctl_siwretry(struct net_device *dev, | |
920 | struct iw_request_info *info, | |
921 | struct iw_param *retry, char *extra) | |
922 | { | |
923 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
924 | ||
925 | if (retry->disabled || | |
926 | (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) | |
927 | return -EINVAL; | |
928 | ||
929 | if (retry->flags & IW_RETRY_MAX) | |
930 | local->long_retry_limit = retry->value; | |
931 | else if (retry->flags & IW_RETRY_MIN) | |
932 | local->short_retry_limit = retry->value; | |
933 | else { | |
934 | local->long_retry_limit = retry->value; | |
935 | local->short_retry_limit = retry->value; | |
936 | } | |
937 | ||
938 | if (local->ops->set_retry_limit) { | |
939 | return local->ops->set_retry_limit( | |
940 | local_to_hw(local), | |
941 | local->short_retry_limit, | |
942 | local->long_retry_limit); | |
943 | } | |
944 | ||
945 | return 0; | |
946 | } | |
947 | ||
948 | ||
949 | static int ieee80211_ioctl_giwretry(struct net_device *dev, | |
950 | struct iw_request_info *info, | |
951 | struct iw_param *retry, char *extra) | |
952 | { | |
953 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
954 | ||
955 | retry->disabled = 0; | |
956 | if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) { | |
957 | /* first return min value, iwconfig will ask max value | |
958 | * later if needed */ | |
959 | retry->flags |= IW_RETRY_LIMIT; | |
960 | retry->value = local->short_retry_limit; | |
961 | if (local->long_retry_limit != local->short_retry_limit) | |
962 | retry->flags |= IW_RETRY_MIN; | |
963 | return 0; | |
964 | } | |
965 | if (retry->flags & IW_RETRY_MAX) { | |
966 | retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX; | |
967 | retry->value = local->long_retry_limit; | |
968 | } | |
969 | ||
970 | return 0; | |
971 | } | |
972 | ||
973 | static int ieee80211_ioctl_clear_keys(struct net_device *dev) | |
974 | { | |
975 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
976 | struct ieee80211_key_conf key; | |
977 | int i; | |
978 | u8 addr[ETH_ALEN]; | |
979 | struct ieee80211_key_conf *keyconf; | |
980 | struct ieee80211_sub_if_data *sdata; | |
981 | struct sta_info *sta; | |
982 | ||
983 | memset(addr, 0xff, ETH_ALEN); | |
984 | read_lock(&local->sub_if_lock); | |
985 | list_for_each_entry(sdata, &local->sub_if_list, list) { | |
986 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
987 | keyconf = NULL; | |
988 | if (sdata->keys[i] && | |
989 | !sdata->keys[i]->force_sw_encrypt && | |
990 | local->ops->set_key && | |
991 | (keyconf = ieee80211_key_data2conf(local, | |
992 | sdata->keys[i]))) | |
993 | local->ops->set_key(local_to_hw(local), | |
994 | DISABLE_KEY, addr, | |
995 | keyconf, 0); | |
996 | kfree(keyconf); | |
997 | ieee80211_key_free(sdata->keys[i]); | |
998 | sdata->keys[i] = NULL; | |
999 | } | |
1000 | sdata->default_key = NULL; | |
1001 | } | |
1002 | read_unlock(&local->sub_if_lock); | |
1003 | ||
1004 | spin_lock_bh(&local->sta_lock); | |
1005 | list_for_each_entry(sta, &local->sta_list, list) { | |
1006 | keyconf = NULL; | |
1007 | if (sta->key && !sta->key->force_sw_encrypt && | |
1008 | local->ops->set_key && | |
1009 | (keyconf = ieee80211_key_data2conf(local, sta->key))) | |
1010 | local->ops->set_key(local_to_hw(local), DISABLE_KEY, | |
1011 | sta->addr, keyconf, sta->aid); | |
1012 | kfree(keyconf); | |
1013 | ieee80211_key_free(sta->key); | |
1014 | sta->key = NULL; | |
1015 | } | |
1016 | spin_unlock_bh(&local->sta_lock); | |
1017 | ||
1018 | memset(&key, 0, sizeof(key)); | |
1019 | if (local->ops->set_key && | |
1020 | local->ops->set_key(local_to_hw(local), REMOVE_ALL_KEYS, | |
1021 | NULL, &key, 0)) | |
1022 | printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n", | |
1023 | dev->name); | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | ||
1029 | static int | |
1030 | ieee80211_ioctl_force_unicast_rate(struct net_device *dev, | |
1031 | struct ieee80211_sub_if_data *sdata, | |
1032 | int rate) | |
1033 | { | |
1034 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1035 | struct ieee80211_hw_mode *mode; | |
1036 | int i; | |
1037 | ||
1038 | if (sdata->type != IEEE80211_IF_TYPE_AP) | |
1039 | return -ENOENT; | |
1040 | ||
1041 | if (rate == 0) { | |
1042 | sdata->u.ap.force_unicast_rateidx = -1; | |
1043 | return 0; | |
1044 | } | |
1045 | ||
1046 | mode = local->oper_hw_mode; | |
1047 | for (i = 0; i < mode->num_rates; i++) { | |
1048 | if (mode->rates[i].rate == rate) { | |
1049 | sdata->u.ap.force_unicast_rateidx = i; | |
1050 | return 0; | |
1051 | } | |
1052 | } | |
1053 | return -EINVAL; | |
1054 | } | |
1055 | ||
1056 | ||
1057 | static int | |
1058 | ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev, | |
1059 | struct ieee80211_sub_if_data *sdata, | |
1060 | int rate) | |
1061 | { | |
1062 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1063 | struct ieee80211_hw_mode *mode; | |
1064 | int i; | |
1065 | ||
1066 | if (sdata->type != IEEE80211_IF_TYPE_AP) | |
1067 | return -ENOENT; | |
1068 | ||
1069 | if (rate == 0) { | |
1070 | sdata->u.ap.max_ratectrl_rateidx = -1; | |
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | mode = local->oper_hw_mode; | |
1075 | for (i = 0; i < mode->num_rates; i++) { | |
1076 | if (mode->rates[i].rate == rate) { | |
1077 | sdata->u.ap.max_ratectrl_rateidx = i; | |
1078 | return 0; | |
1079 | } | |
1080 | } | |
1081 | return -EINVAL; | |
1082 | } | |
1083 | ||
1084 | ||
1085 | static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local, | |
1086 | struct ieee80211_key *key) | |
1087 | { | |
1088 | struct ieee80211_key_conf *keyconf; | |
1089 | u8 addr[ETH_ALEN]; | |
1090 | ||
1091 | if (!key || key->alg != ALG_WEP || !key->force_sw_encrypt || | |
1092 | (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP)) | |
1093 | return; | |
1094 | ||
1095 | memset(addr, 0xff, ETH_ALEN); | |
1096 | keyconf = ieee80211_key_data2conf(local, key); | |
1097 | if (keyconf && local->ops->set_key && | |
1098 | local->ops->set_key(local_to_hw(local), | |
1099 | SET_KEY, addr, keyconf, 0) == 0) { | |
1100 | key->force_sw_encrypt = | |
1101 | !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT); | |
1102 | key->hw_key_idx = keyconf->hw_key_idx; | |
1103 | } | |
1104 | kfree(keyconf); | |
1105 | } | |
1106 | ||
1107 | ||
1108 | static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local, | |
1109 | struct ieee80211_key *key) | |
1110 | { | |
1111 | struct ieee80211_key_conf *keyconf; | |
1112 | u8 addr[ETH_ALEN]; | |
1113 | ||
1114 | if (!key || key->alg != ALG_WEP || key->force_sw_encrypt || | |
1115 | (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP)) | |
1116 | return; | |
1117 | ||
1118 | memset(addr, 0xff, ETH_ALEN); | |
1119 | keyconf = ieee80211_key_data2conf(local, key); | |
1120 | if (keyconf && local->ops->set_key) | |
1121 | local->ops->set_key(local_to_hw(local), DISABLE_KEY, | |
1122 | addr, keyconf, 0); | |
1123 | kfree(keyconf); | |
1124 | key->force_sw_encrypt = 1; | |
1125 | } | |
1126 | ||
1127 | ||
1128 | static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local, | |
1129 | int value) | |
1130 | { | |
1131 | int i; | |
1132 | struct ieee80211_sub_if_data *sdata; | |
1133 | ||
1134 | local->default_wep_only = value; | |
1135 | read_lock(&local->sub_if_lock); | |
1136 | list_for_each_entry(sdata, &local->sub_if_list, list) | |
1137 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) | |
1138 | if (value) | |
1139 | ieee80211_key_enable_hwaccel(local, | |
1140 | sdata->keys[i]); | |
1141 | else | |
1142 | ieee80211_key_disable_hwaccel(local, | |
1143 | sdata->keys[i]); | |
1144 | read_unlock(&local->sub_if_lock); | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | ||
1150 | void ieee80211_update_default_wep_only(struct ieee80211_local *local) | |
1151 | { | |
1152 | int i = 0; | |
1153 | struct ieee80211_sub_if_data *sdata; | |
1154 | ||
1155 | read_lock(&local->sub_if_lock); | |
1156 | list_for_each_entry(sdata, &local->sub_if_list, list) { | |
1157 | ||
1158 | if (sdata->dev == local->mdev) | |
1159 | continue; | |
1160 | ||
1161 | /* If there is an AP interface then depend on userspace to | |
1162 | set default_wep_only correctly. */ | |
1163 | if (sdata->type == IEEE80211_IF_TYPE_AP) { | |
1164 | read_unlock(&local->sub_if_lock); | |
1165 | return; | |
1166 | } | |
1167 | ||
1168 | i++; | |
1169 | } | |
1170 | ||
1171 | read_unlock(&local->sub_if_lock); | |
1172 | ||
1173 | if (i <= 1) | |
1174 | ieee80211_ioctl_default_wep_only(local, 1); | |
1175 | else | |
1176 | ieee80211_ioctl_default_wep_only(local, 0); | |
1177 | } | |
1178 | ||
1179 | ||
1180 | static int ieee80211_ioctl_prism2_param(struct net_device *dev, | |
1181 | struct iw_request_info *info, | |
1182 | void *wrqu, char *extra) | |
1183 | { | |
1184 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1185 | struct ieee80211_sub_if_data *sdata; | |
1186 | int *i = (int *) extra; | |
1187 | int param = *i; | |
1188 | int value = *(i + 1); | |
1189 | int ret = 0; | |
1190 | ||
1191 | if (!capable(CAP_NET_ADMIN)) | |
1192 | return -EPERM; | |
1193 | ||
1194 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1195 | ||
1196 | switch (param) { | |
1197 | case PRISM2_PARAM_IEEE_802_1X: | |
1198 | if (local->ops->set_ieee8021x) | |
1199 | ret = local->ops->set_ieee8021x(local_to_hw(local), | |
1200 | value); | |
1201 | if (ret) | |
1202 | printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) " | |
1203 | "for low-level driver\n", dev->name, value); | |
1204 | else | |
1205 | sdata->ieee802_1x = value; | |
1206 | break; | |
1207 | ||
1208 | case PRISM2_PARAM_ANTSEL_TX: | |
1209 | local->hw.conf.antenna_sel_tx = value; | |
1210 | if (ieee80211_hw_config(local)) | |
1211 | ret = -EINVAL; | |
1212 | break; | |
1213 | ||
1214 | case PRISM2_PARAM_ANTSEL_RX: | |
1215 | local->hw.conf.antenna_sel_rx = value; | |
1216 | if (ieee80211_hw_config(local)) | |
1217 | ret = -EINVAL; | |
1218 | break; | |
1219 | ||
1220 | case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES: | |
1221 | local->cts_protect_erp_frames = value; | |
1222 | break; | |
1223 | ||
1224 | case PRISM2_PARAM_DROP_UNENCRYPTED: | |
1225 | sdata->drop_unencrypted = value; | |
1226 | break; | |
1227 | ||
1228 | case PRISM2_PARAM_PREAMBLE: | |
1229 | local->short_preamble = value; | |
1230 | break; | |
1231 | ||
1232 | case PRISM2_PARAM_STAT_TIME: | |
1233 | if (!local->stat_time && value) { | |
1234 | local->stat_timer.expires = jiffies + HZ * value / 100; | |
1235 | add_timer(&local->stat_timer); | |
1236 | } else if (local->stat_time && !value) { | |
1237 | del_timer_sync(&local->stat_timer); | |
1238 | } | |
1239 | local->stat_time = value; | |
1240 | break; | |
1241 | case PRISM2_PARAM_SHORT_SLOT_TIME: | |
1242 | if (value) | |
1243 | local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME; | |
1244 | else | |
1245 | local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME; | |
1246 | if (ieee80211_hw_config(local)) | |
1247 | ret = -EINVAL; | |
1248 | break; | |
1249 | ||
1250 | case PRISM2_PARAM_NEXT_MODE: | |
1251 | local->next_mode = value; | |
1252 | break; | |
1253 | ||
1254 | case PRISM2_PARAM_CLEAR_KEYS: | |
1255 | ret = ieee80211_ioctl_clear_keys(dev); | |
1256 | break; | |
1257 | ||
1258 | case PRISM2_PARAM_RADIO_ENABLED: | |
1259 | ret = ieee80211_ioctl_set_radio_enabled(dev, value); | |
1260 | break; | |
1261 | ||
1262 | case PRISM2_PARAM_ANTENNA_MODE: | |
1263 | local->hw.conf.antenna_mode = value; | |
1264 | if (ieee80211_hw_config(local)) | |
1265 | ret = -EINVAL; | |
1266 | break; | |
1267 | ||
1268 | case PRISM2_PARAM_STA_ANTENNA_SEL: | |
1269 | local->sta_antenna_sel = value; | |
1270 | break; | |
1271 | ||
1272 | case PRISM2_PARAM_FORCE_UNICAST_RATE: | |
1273 | ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value); | |
1274 | break; | |
1275 | ||
1276 | case PRISM2_PARAM_MAX_RATECTRL_RATE: | |
1277 | ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value); | |
1278 | break; | |
1279 | ||
1280 | case PRISM2_PARAM_RATE_CTRL_NUM_UP: | |
1281 | local->rate_ctrl_num_up = value; | |
1282 | break; | |
1283 | ||
1284 | case PRISM2_PARAM_RATE_CTRL_NUM_DOWN: | |
1285 | local->rate_ctrl_num_down = value; | |
1286 | break; | |
1287 | ||
1288 | case PRISM2_PARAM_TX_POWER_REDUCTION: | |
1289 | if (value < 0) | |
1290 | ret = -EINVAL; | |
1291 | else | |
1292 | local->hw.conf.tx_power_reduction = value; | |
1293 | break; | |
1294 | ||
1295 | case PRISM2_PARAM_KEY_TX_RX_THRESHOLD: | |
1296 | local->key_tx_rx_threshold = value; | |
1297 | break; | |
1298 | ||
1299 | case PRISM2_PARAM_DEFAULT_WEP_ONLY: | |
1300 | ret = ieee80211_ioctl_default_wep_only(local, value); | |
1301 | break; | |
1302 | ||
1303 | case PRISM2_PARAM_WIFI_WME_NOACK_TEST: | |
1304 | local->wifi_wme_noack_test = value; | |
1305 | break; | |
1306 | ||
1307 | case PRISM2_PARAM_SCAN_FLAGS: | |
1308 | local->scan_flags = value; | |
1309 | break; | |
1310 | ||
1311 | case PRISM2_PARAM_MIXED_CELL: | |
1312 | if (sdata->type != IEEE80211_IF_TYPE_STA && | |
1313 | sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1314 | ret = -EINVAL; | |
1315 | else | |
1316 | sdata->u.sta.mixed_cell = !!value; | |
1317 | break; | |
1318 | ||
1319 | case PRISM2_PARAM_HW_MODES: | |
1320 | local->enabled_modes = value; | |
1321 | break; | |
1322 | ||
1323 | case PRISM2_PARAM_CREATE_IBSS: | |
1324 | if (sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1325 | ret = -EINVAL; | |
1326 | else | |
1327 | sdata->u.sta.create_ibss = !!value; | |
1328 | break; | |
1329 | case PRISM2_PARAM_WMM_ENABLED: | |
1330 | if (sdata->type != IEEE80211_IF_TYPE_STA && | |
1331 | sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1332 | ret = -EINVAL; | |
1333 | else | |
1334 | sdata->u.sta.wmm_enabled = !!value; | |
1335 | break; | |
1336 | case PRISM2_PARAM_RADAR_DETECT: | |
1337 | local->hw.conf.radar_detect = value; | |
1338 | break; | |
1339 | case PRISM2_PARAM_SPECTRUM_MGMT: | |
1340 | local->hw.conf.spect_mgmt = value; | |
1341 | break; | |
1342 | default: | |
1343 | ret = -EOPNOTSUPP; | |
1344 | break; | |
1345 | } | |
1346 | ||
1347 | return ret; | |
1348 | } | |
1349 | ||
1350 | ||
1351 | static int ieee80211_ioctl_get_prism2_param(struct net_device *dev, | |
1352 | struct iw_request_info *info, | |
1353 | void *wrqu, char *extra) | |
1354 | { | |
1355 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1356 | struct ieee80211_sub_if_data *sdata; | |
1357 | int *param = (int *) extra; | |
1358 | int ret = 0; | |
1359 | ||
1360 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1361 | ||
1362 | switch (*param) { | |
1363 | case PRISM2_PARAM_IEEE_802_1X: | |
1364 | *param = sdata->ieee802_1x; | |
1365 | break; | |
1366 | ||
1367 | case PRISM2_PARAM_ANTSEL_TX: | |
1368 | *param = local->hw.conf.antenna_sel_tx; | |
1369 | break; | |
1370 | ||
1371 | case PRISM2_PARAM_ANTSEL_RX: | |
1372 | *param = local->hw.conf.antenna_sel_rx; | |
1373 | break; | |
1374 | ||
1375 | case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES: | |
1376 | *param = local->cts_protect_erp_frames; | |
1377 | break; | |
1378 | ||
1379 | case PRISM2_PARAM_DROP_UNENCRYPTED: | |
1380 | *param = sdata->drop_unencrypted; | |
1381 | break; | |
1382 | ||
1383 | case PRISM2_PARAM_PREAMBLE: | |
1384 | *param = local->short_preamble; | |
1385 | break; | |
1386 | ||
1387 | case PRISM2_PARAM_STAT_TIME: | |
1388 | *param = local->stat_time; | |
1389 | break; | |
1390 | case PRISM2_PARAM_SHORT_SLOT_TIME: | |
1391 | *param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME); | |
1392 | break; | |
1393 | ||
1394 | case PRISM2_PARAM_NEXT_MODE: | |
1395 | *param = local->next_mode; | |
1396 | break; | |
1397 | ||
1398 | case PRISM2_PARAM_ANTENNA_MODE: | |
1399 | *param = local->hw.conf.antenna_mode; | |
1400 | break; | |
1401 | ||
1402 | case PRISM2_PARAM_STA_ANTENNA_SEL: | |
1403 | *param = local->sta_antenna_sel; | |
1404 | break; | |
1405 | ||
1406 | case PRISM2_PARAM_RATE_CTRL_NUM_UP: | |
1407 | *param = local->rate_ctrl_num_up; | |
1408 | break; | |
1409 | ||
1410 | case PRISM2_PARAM_RATE_CTRL_NUM_DOWN: | |
1411 | *param = local->rate_ctrl_num_down; | |
1412 | break; | |
1413 | ||
1414 | case PRISM2_PARAM_TX_POWER_REDUCTION: | |
1415 | *param = local->hw.conf.tx_power_reduction; | |
1416 | break; | |
1417 | ||
1418 | case PRISM2_PARAM_KEY_TX_RX_THRESHOLD: | |
1419 | *param = local->key_tx_rx_threshold; | |
1420 | break; | |
1421 | ||
1422 | case PRISM2_PARAM_DEFAULT_WEP_ONLY: | |
1423 | *param = local->default_wep_only; | |
1424 | break; | |
1425 | ||
1426 | case PRISM2_PARAM_WIFI_WME_NOACK_TEST: | |
1427 | *param = local->wifi_wme_noack_test; | |
1428 | break; | |
1429 | ||
1430 | case PRISM2_PARAM_SCAN_FLAGS: | |
1431 | *param = local->scan_flags; | |
1432 | break; | |
1433 | ||
1434 | case PRISM2_PARAM_HW_MODES: | |
1435 | *param = local->enabled_modes; | |
1436 | break; | |
1437 | ||
1438 | case PRISM2_PARAM_CREATE_IBSS: | |
1439 | if (sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1440 | ret = -EINVAL; | |
1441 | else | |
1442 | *param = !!sdata->u.sta.create_ibss; | |
1443 | break; | |
1444 | ||
1445 | case PRISM2_PARAM_MIXED_CELL: | |
1446 | if (sdata->type != IEEE80211_IF_TYPE_STA && | |
1447 | sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1448 | ret = -EINVAL; | |
1449 | else | |
1450 | *param = !!sdata->u.sta.mixed_cell; | |
1451 | break; | |
1452 | case PRISM2_PARAM_WMM_ENABLED: | |
1453 | if (sdata->type != IEEE80211_IF_TYPE_STA && | |
1454 | sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1455 | ret = -EINVAL; | |
1456 | else | |
1457 | *param = !!sdata->u.sta.wmm_enabled; | |
1458 | break; | |
1459 | default: | |
1460 | ret = -EOPNOTSUPP; | |
1461 | break; | |
1462 | } | |
1463 | ||
1464 | return ret; | |
1465 | } | |
1466 | ||
1467 | static int ieee80211_ioctl_siwmlme(struct net_device *dev, | |
1468 | struct iw_request_info *info, | |
1469 | struct iw_point *data, char *extra) | |
1470 | { | |
1471 | struct ieee80211_sub_if_data *sdata; | |
1472 | struct iw_mlme *mlme = (struct iw_mlme *) extra; | |
1473 | ||
1474 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1475 | if (sdata->type != IEEE80211_IF_TYPE_STA && | |
1476 | sdata->type != IEEE80211_IF_TYPE_IBSS) | |
1477 | return -EINVAL; | |
1478 | ||
1479 | switch (mlme->cmd) { | |
1480 | case IW_MLME_DEAUTH: | |
1481 | /* TODO: mlme->addr.sa_data */ | |
1482 | return ieee80211_sta_deauthenticate(dev, mlme->reason_code); | |
1483 | case IW_MLME_DISASSOC: | |
1484 | /* TODO: mlme->addr.sa_data */ | |
1485 | return ieee80211_sta_disassociate(dev, mlme->reason_code); | |
1486 | default: | |
1487 | return -EOPNOTSUPP; | |
1488 | } | |
1489 | } | |
1490 | ||
1491 | ||
1492 | static int ieee80211_ioctl_siwencode(struct net_device *dev, | |
1493 | struct iw_request_info *info, | |
1494 | struct iw_point *erq, char *keybuf) | |
1495 | { | |
1496 | struct ieee80211_sub_if_data *sdata; | |
1497 | int idx, i, alg = ALG_WEP; | |
1498 | u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1499 | ||
1500 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1501 | ||
1502 | idx = erq->flags & IW_ENCODE_INDEX; | |
1503 | if (idx == 0) { | |
1504 | if (sdata->default_key) | |
1505 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
1506 | if (sdata->default_key == sdata->keys[i]) { | |
1507 | idx = i; | |
1508 | break; | |
1509 | } | |
1510 | } | |
1511 | } else if (idx < 1 || idx > 4) | |
1512 | return -EINVAL; | |
1513 | else | |
1514 | idx--; | |
1515 | ||
1516 | if (erq->flags & IW_ENCODE_DISABLED) | |
1517 | alg = ALG_NONE; | |
1518 | else if (erq->length == 0) { | |
1519 | /* No key data - just set the default TX key index */ | |
e9f207f0 JB |
1520 | if (sdata->default_key != sdata->keys[idx]) { |
1521 | ieee80211_debugfs_key_remove_default(sdata); | |
f0706e82 | 1522 | sdata->default_key = sdata->keys[idx]; |
e9f207f0 JB |
1523 | if (sdata->default_key) |
1524 | ieee80211_debugfs_key_add_default(sdata); | |
1525 | } | |
f0706e82 JB |
1526 | return 0; |
1527 | } | |
1528 | ||
1529 | return ieee80211_set_encryption( | |
1530 | dev, bcaddr, | |
1531 | idx, alg, | |
1532 | !sdata->default_key, | |
1533 | keybuf, erq->length); | |
1534 | } | |
1535 | ||
1536 | ||
1537 | static int ieee80211_ioctl_giwencode(struct net_device *dev, | |
1538 | struct iw_request_info *info, | |
1539 | struct iw_point *erq, char *key) | |
1540 | { | |
1541 | struct ieee80211_sub_if_data *sdata; | |
1542 | int idx, i; | |
1543 | ||
1544 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1545 | ||
1546 | idx = erq->flags & IW_ENCODE_INDEX; | |
1547 | if (idx < 1 || idx > 4) { | |
1548 | idx = -1; | |
1549 | if (!sdata->default_key) | |
1550 | idx = 0; | |
1551 | else for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
1552 | if (sdata->default_key == sdata->keys[i]) { | |
1553 | idx = i; | |
1554 | break; | |
1555 | } | |
1556 | } | |
1557 | if (idx < 0) | |
1558 | return -EINVAL; | |
1559 | } else | |
1560 | idx--; | |
1561 | ||
1562 | erq->flags = idx + 1; | |
1563 | ||
1564 | if (!sdata->keys[idx]) { | |
1565 | erq->length = 0; | |
1566 | erq->flags |= IW_ENCODE_DISABLED; | |
1567 | return 0; | |
1568 | } | |
1569 | ||
1570 | memcpy(key, sdata->keys[idx]->key, | |
1571 | min((int)erq->length, sdata->keys[idx]->keylen)); | |
1572 | erq->length = sdata->keys[idx]->keylen; | |
1573 | erq->flags |= IW_ENCODE_ENABLED; | |
1574 | ||
1575 | return 0; | |
1576 | } | |
1577 | ||
1578 | static int ieee80211_ioctl_siwauth(struct net_device *dev, | |
1579 | struct iw_request_info *info, | |
1580 | struct iw_param *data, char *extra) | |
1581 | { | |
1582 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1583 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1584 | int ret = 0; | |
1585 | ||
1586 | switch (data->flags & IW_AUTH_INDEX) { | |
1587 | case IW_AUTH_WPA_VERSION: | |
1588 | case IW_AUTH_CIPHER_PAIRWISE: | |
1589 | case IW_AUTH_CIPHER_GROUP: | |
1590 | case IW_AUTH_WPA_ENABLED: | |
1591 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
1592 | break; | |
1593 | case IW_AUTH_KEY_MGMT: | |
1594 | if (sdata->type != IEEE80211_IF_TYPE_STA) | |
1595 | ret = -EINVAL; | |
1596 | else { | |
1597 | /* | |
1598 | * TODO: sdata->u.sta.key_mgmt does not match with WE18 | |
1599 | * value completely; could consider modifying this to | |
1600 | * be closer to WE18. For now, this value is not really | |
1601 | * used for anything else than Privacy matching, so the | |
1602 | * current code here should be more or less OK. | |
1603 | */ | |
1604 | if (data->value & IW_AUTH_KEY_MGMT_802_1X) { | |
1605 | sdata->u.sta.key_mgmt = | |
1606 | IEEE80211_KEY_MGMT_WPA_EAP; | |
1607 | } else if (data->value & IW_AUTH_KEY_MGMT_PSK) { | |
1608 | sdata->u.sta.key_mgmt = | |
1609 | IEEE80211_KEY_MGMT_WPA_PSK; | |
1610 | } else { | |
1611 | sdata->u.sta.key_mgmt = | |
1612 | IEEE80211_KEY_MGMT_NONE; | |
1613 | } | |
1614 | } | |
1615 | break; | |
1616 | case IW_AUTH_80211_AUTH_ALG: | |
1617 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
1618 | sdata->type == IEEE80211_IF_TYPE_IBSS) | |
1619 | sdata->u.sta.auth_algs = data->value; | |
1620 | else | |
1621 | ret = -EOPNOTSUPP; | |
1622 | break; | |
1623 | case IW_AUTH_PRIVACY_INVOKED: | |
1624 | if (local->ops->set_privacy_invoked) | |
1625 | ret = local->ops->set_privacy_invoked( | |
1626 | local_to_hw(local), data->value); | |
1627 | break; | |
1628 | default: | |
1629 | ret = -EOPNOTSUPP; | |
1630 | break; | |
1631 | } | |
1632 | return ret; | |
1633 | } | |
1634 | ||
1635 | /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ | |
1636 | static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev) | |
1637 | { | |
1638 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1639 | struct iw_statistics *wstats = &local->wstats; | |
1640 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1641 | struct sta_info *sta = NULL; | |
1642 | ||
1643 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
1644 | sdata->type == IEEE80211_IF_TYPE_IBSS) | |
1645 | sta = sta_info_get(local, sdata->u.sta.bssid); | |
1646 | if (!sta) { | |
1647 | wstats->discard.fragment = 0; | |
1648 | wstats->discard.misc = 0; | |
1649 | wstats->qual.qual = 0; | |
1650 | wstats->qual.level = 0; | |
1651 | wstats->qual.noise = 0; | |
1652 | wstats->qual.updated = IW_QUAL_ALL_INVALID; | |
1653 | } else { | |
1654 | wstats->qual.level = sta->last_rssi; | |
1655 | wstats->qual.qual = sta->last_signal; | |
1656 | wstats->qual.noise = sta->last_noise; | |
1657 | wstats->qual.updated = local->wstats_flags; | |
1658 | sta_info_put(sta); | |
1659 | } | |
1660 | return wstats; | |
1661 | } | |
1662 | ||
1663 | static int ieee80211_ioctl_giwauth(struct net_device *dev, | |
1664 | struct iw_request_info *info, | |
1665 | struct iw_param *data, char *extra) | |
1666 | { | |
1667 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1668 | int ret = 0; | |
1669 | ||
1670 | switch (data->flags & IW_AUTH_INDEX) { | |
1671 | case IW_AUTH_80211_AUTH_ALG: | |
1672 | if (sdata->type == IEEE80211_IF_TYPE_STA || | |
1673 | sdata->type == IEEE80211_IF_TYPE_IBSS) | |
1674 | data->value = sdata->u.sta.auth_algs; | |
1675 | else | |
1676 | ret = -EOPNOTSUPP; | |
1677 | break; | |
1678 | default: | |
1679 | ret = -EOPNOTSUPP; | |
1680 | break; | |
1681 | } | |
1682 | return ret; | |
1683 | } | |
1684 | ||
1685 | ||
1686 | static int ieee80211_ioctl_siwencodeext(struct net_device *dev, | |
1687 | struct iw_request_info *info, | |
1688 | struct iw_point *erq, char *extra) | |
1689 | { | |
1690 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1691 | struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; | |
1692 | int alg, idx, i; | |
1693 | ||
1694 | switch (ext->alg) { | |
1695 | case IW_ENCODE_ALG_NONE: | |
1696 | alg = ALG_NONE; | |
1697 | break; | |
1698 | case IW_ENCODE_ALG_WEP: | |
1699 | alg = ALG_WEP; | |
1700 | break; | |
1701 | case IW_ENCODE_ALG_TKIP: | |
1702 | alg = ALG_TKIP; | |
1703 | break; | |
1704 | case IW_ENCODE_ALG_CCMP: | |
1705 | alg = ALG_CCMP; | |
1706 | break; | |
1707 | default: | |
1708 | return -EOPNOTSUPP; | |
1709 | } | |
1710 | ||
1711 | if (erq->flags & IW_ENCODE_DISABLED) | |
1712 | alg = ALG_NONE; | |
1713 | ||
1714 | idx = erq->flags & IW_ENCODE_INDEX; | |
1715 | if (idx < 1 || idx > 4) { | |
1716 | idx = -1; | |
1717 | if (!sdata->default_key) | |
1718 | idx = 0; | |
1719 | else for (i = 0; i < NUM_DEFAULT_KEYS; i++) { | |
1720 | if (sdata->default_key == sdata->keys[i]) { | |
1721 | idx = i; | |
1722 | break; | |
1723 | } | |
1724 | } | |
1725 | if (idx < 0) | |
1726 | return -EINVAL; | |
1727 | } else | |
1728 | idx--; | |
1729 | ||
1730 | return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg, | |
1731 | ext->ext_flags & | |
1732 | IW_ENCODE_EXT_SET_TX_KEY, | |
1733 | ext->key, ext->key_len); | |
1734 | } | |
1735 | ||
1736 | ||
1737 | static const struct iw_priv_args ieee80211_ioctl_priv[] = { | |
1738 | { PRISM2_IOCTL_PRISM2_PARAM, | |
1739 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" }, | |
1740 | { PRISM2_IOCTL_GET_PRISM2_PARAM, | |
1741 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, | |
1742 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" }, | |
1743 | }; | |
1744 | ||
1745 | /* Structures to export the Wireless Handlers */ | |
1746 | ||
1747 | static const iw_handler ieee80211_handler[] = | |
1748 | { | |
1749 | (iw_handler) NULL, /* SIOCSIWCOMMIT */ | |
1750 | (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */ | |
1751 | (iw_handler) NULL, /* SIOCSIWNWID */ | |
1752 | (iw_handler) NULL, /* SIOCGIWNWID */ | |
1753 | (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */ | |
1754 | (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */ | |
1755 | (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */ | |
1756 | (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */ | |
1757 | (iw_handler) NULL, /* SIOCSIWSENS */ | |
1758 | (iw_handler) NULL, /* SIOCGIWSENS */ | |
1759 | (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ | |
1760 | (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */ | |
1761 | (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */ | |
1762 | (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */ | |
1763 | (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */ | |
1764 | (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */ | |
1765 | iw_handler_set_spy, /* SIOCSIWSPY */ | |
1766 | iw_handler_get_spy, /* SIOCGIWSPY */ | |
1767 | iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ | |
1768 | iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ | |
1769 | (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */ | |
1770 | (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */ | |
1771 | (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */ | |
1772 | (iw_handler) NULL, /* SIOCGIWAPLIST */ | |
1773 | (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */ | |
1774 | (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */ | |
1775 | (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */ | |
1776 | (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */ | |
1777 | (iw_handler) NULL, /* SIOCSIWNICKN */ | |
1778 | (iw_handler) NULL, /* SIOCGIWNICKN */ | |
1779 | (iw_handler) NULL, /* -- hole -- */ | |
1780 | (iw_handler) NULL, /* -- hole -- */ | |
1781 | (iw_handler) NULL, /* SIOCSIWRATE */ | |
1782 | (iw_handler) NULL, /* SIOCGIWRATE */ | |
1783 | (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */ | |
1784 | (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */ | |
1785 | (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */ | |
1786 | (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */ | |
1787 | (iw_handler) NULL, /* SIOCSIWTXPOW */ | |
1788 | (iw_handler) NULL, /* SIOCGIWTXPOW */ | |
1789 | (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */ | |
1790 | (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */ | |
1791 | (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */ | |
1792 | (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */ | |
1793 | (iw_handler) NULL, /* SIOCSIWPOWER */ | |
1794 | (iw_handler) NULL, /* SIOCGIWPOWER */ | |
1795 | (iw_handler) NULL, /* -- hole -- */ | |
1796 | (iw_handler) NULL, /* -- hole -- */ | |
1797 | (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */ | |
1798 | (iw_handler) NULL, /* SIOCGIWGENIE */ | |
1799 | (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */ | |
1800 | (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */ | |
1801 | (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ | |
1802 | (iw_handler) NULL, /* SIOCGIWENCODEEXT */ | |
1803 | (iw_handler) NULL, /* SIOCSIWPMKSA */ | |
1804 | (iw_handler) NULL, /* -- hole -- */ | |
1805 | }; | |
1806 | ||
1807 | static const iw_handler ieee80211_private_handler[] = | |
1808 | { /* SIOCIWFIRSTPRIV + */ | |
1809 | (iw_handler) ieee80211_ioctl_prism2_param, /* 0 */ | |
1810 | (iw_handler) ieee80211_ioctl_get_prism2_param, /* 1 */ | |
1811 | }; | |
1812 | ||
1813 | const struct iw_handler_def ieee80211_iw_handler_def = | |
1814 | { | |
1815 | .num_standard = ARRAY_SIZE(ieee80211_handler), | |
1816 | .num_private = ARRAY_SIZE(ieee80211_private_handler), | |
1817 | .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv), | |
1818 | .standard = (iw_handler *) ieee80211_handler, | |
1819 | .private = (iw_handler *) ieee80211_private_handler, | |
1820 | .private_args = (struct iw_priv_args *) ieee80211_ioctl_priv, | |
1821 | .get_wireless_stats = ieee80211_get_wireless_stats, | |
1822 | }; |