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32#include <linux/wireless.h>
33#include <linux/kmod.h>
34#include <linux/slab.h>
35#include <linux/module.h>
36
37#include "ieee80211.h"
38struct modes_unit {
39 char *mode_string;
40 int mode_size;
41};
42static struct modes_unit ieee80211_modes[] = {
43 {"a", 1},
44 {"b", 1},
45 {"g", 1},
46 {"?", 1},
47 {"N-24G", 5},
48 {"N-5G", 4},
49};
50
51#define iwe_stream_add_event_rsl iwe_stream_add_event
52
53#define MAX_CUSTOM_LEN 64
54static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
55 char *start, char *stop,
56 struct ieee80211_network *network,
57 struct iw_request_info *info)
58{
59 char custom[MAX_CUSTOM_LEN];
60 char proto_name[IFNAMSIZ];
61 char *pname = proto_name;
62 char *p;
63 struct iw_event iwe;
64 int i, j;
65 u16 max_rate, rate;
66 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
67
68
69 iwe.cmd = SIOCGIWAP;
70 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
71 memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
72 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN);
73
74
75
76 iwe.cmd = SIOCGIWESSID;
77 iwe.u.data.flags = 1;
78
79 if (network->ssid_len == 0) {
80 iwe.u.data.length = sizeof("<hidden>");
81 start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
82 } else {
83 iwe.u.data.length = min(network->ssid_len, (u8)32);
84 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
85 }
86
87 iwe.cmd = SIOCGIWNAME;
88 for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) {
89 if(network->mode&(1<<i)) {
90 sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size);
91 pname +=ieee80211_modes[i].mode_size;
92 }
93 }
94 *pname = '\0';
95 snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
96 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN);
97
98 iwe.cmd = SIOCGIWMODE;
99 if (network->capability &
100 (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) {
101 if (network->capability & WLAN_CAPABILITY_BSS)
102 iwe.u.mode = IW_MODE_MASTER;
103 else
104 iwe.u.mode = IW_MODE_ADHOC;
105 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN);
106 }
107
108
109 iwe.cmd = SIOCGIWFREQ;
110
111
112 iwe.u.freq.m = network->channel;
113 iwe.u.freq.e = 0;
114 iwe.u.freq.i = 0;
115 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN);
116
117 iwe.cmd = SIOCGIWENCODE;
118 if (network->capability & WLAN_CAPABILITY_PRIVACY)
119 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
120 else
121 iwe.u.data.flags = IW_ENCODE_DISABLED;
122 iwe.u.data.length = 0;
123 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
124
125 max_rate = 0;
126 p = custom;
127 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
128 for (i = 0, j = 0; i < network->rates_len; ) {
129 if (j < network->rates_ex_len &&
130 ((network->rates_ex[j] & 0x7F) <
131 (network->rates[i] & 0x7F)))
132 rate = network->rates_ex[j++] & 0x7F;
133 else
134 rate = network->rates[i++] & 0x7F;
135 if (rate > max_rate)
136 max_rate = rate;
137 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
138 "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
139 }
140 for (; j < network->rates_ex_len; j++) {
141 rate = network->rates_ex[j] & 0x7F;
142 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
143 "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
144 if (rate > max_rate)
145 max_rate = rate;
146 }
147
148 if (network->mode >= IEEE_N_24G)
149 {
150 PHT_CAPABILITY_ELE ht_cap = NULL;
151 bool is40M = false, isShortGI = false;
152 u8 max_mcs = 0;
153 if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
154 ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4];
155 else
156 ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0];
157 is40M = (ht_cap->ChlWidth)?1:0;
158 isShortGI = (ht_cap->ChlWidth)?
159 ((ht_cap->ShortGI40Mhz)?1:0):
160 ((ht_cap->ShortGI20Mhz)?1:0);
161
162 max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL);
163 rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f];
164 if (rate > max_rate)
165 max_rate = rate;
166 }
167 iwe.cmd = SIOCGIWRATE;
168 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
169 iwe.u.bitrate.value = max_rate * 500000;
170 start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
171 IW_EV_PARAM_LEN);
172 iwe.cmd = IWEVCUSTOM;
173 iwe.u.data.length = p - custom;
174 if (iwe.u.data.length)
175 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
176
177
178 iwe.cmd = IWEVQUAL;
179 iwe.u.qual.qual = network->stats.signal;
180 iwe.u.qual.level = network->stats.rssi;
181 iwe.u.qual.noise = network->stats.noise;
182 iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK;
183 if (!(network->stats.mask & IEEE80211_STATMASK_RSSI))
184 iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
185 if (!(network->stats.mask & IEEE80211_STATMASK_NOISE))
186 iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
187 if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
188 iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
189 iwe.u.qual.updated = 7;
190 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN);
191 iwe.cmd = IWEVCUSTOM;
192 p = custom;
193
194 iwe.u.data.length = p - custom;
195 if (iwe.u.data.length)
196 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
197
198 if (ieee->wpa_enabled && network->wpa_ie_len){
199 char buf[MAX_WPA_IE_LEN * 2 + 30];
200
201 u8 *p = buf;
202 p += sprintf(p, "wpa_ie=");
203 for (i = 0; i < network->wpa_ie_len; i++) {
204 p += sprintf(p, "%02x", network->wpa_ie[i]);
205 }
206
207 memset(&iwe, 0, sizeof(iwe));
208 iwe.cmd = IWEVCUSTOM;
209 iwe.u.data.length = strlen(buf);
210 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
211 }
212
213 if (ieee->wpa_enabled && network->rsn_ie_len){
214 char buf[MAX_WPA_IE_LEN * 2 + 30];
215
216 u8 *p = buf;
217 p += sprintf(p, "rsn_ie=");
218 for (i = 0; i < network->rsn_ie_len; i++) {
219 p += sprintf(p, "%02x", network->rsn_ie[i]);
220 }
221
222 memset(&iwe, 0, sizeof(iwe));
223 iwe.cmd = IWEVCUSTOM;
224 iwe.u.data.length = strlen(buf);
225 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
226 }
227
228
229
230
231 iwe.cmd = IWEVCUSTOM;
232 p = custom;
233 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
234 " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
235 iwe.u.data.length = p - custom;
236 if (iwe.u.data.length)
237 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
238
239 return start;
240}
241
242int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
243 struct iw_request_info *info,
244 union iwreq_data *wrqu, char *extra)
245{
246 struct ieee80211_network *network;
247 unsigned long flags;
248
249 char *ev = extra;
250
251 char *stop = ev + wrqu->data.length;
252
253 int i = 0;
254 int err = 0;
255 IEEE80211_DEBUG_WX("Getting scan\n");
256 mutex_lock(&ieee->wx_mutex);
257 spin_lock_irqsave(&ieee->lock, flags);
258
259 list_for_each_entry(network, &ieee->network_list, list) {
260 i++;
261 if((stop-ev)<200)
262 {
263 err = -E2BIG;
264 break;
265 }
266 if (ieee->scan_age == 0 ||
267 time_after(network->last_scanned + ieee->scan_age, jiffies))
268 ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
269 else
270 IEEE80211_DEBUG_SCAN(
271 "Not showing network '%s ("
272 "%pM)' due to age (%lums).\n",
273 escape_essid(network->ssid,
274 network->ssid_len),
275 network->bssid,
276 (jiffies - network->last_scanned) / (HZ / 100));
277 }
278
279 spin_unlock_irqrestore(&ieee->lock, flags);
280 mutex_unlock(&ieee->wx_mutex);
281 wrqu->data.length = ev - extra;
282 wrqu->data.flags = 0;
283
284 IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
285
286 return err;
287}
288EXPORT_SYMBOL(ieee80211_wx_get_scan);
289
290int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
291 struct iw_request_info *info,
292 union iwreq_data *wrqu, char *keybuf)
293{
294 struct iw_point *erq = &(wrqu->encoding);
295 struct net_device *dev = ieee->dev;
296 struct ieee80211_security sec = {
297 .flags = 0
298 };
299 int i, key, key_provided, len;
300 struct ieee80211_crypt_data **crypt;
301
302 IEEE80211_DEBUG_WX("SET_ENCODE\n");
303
304 key = erq->flags & IW_ENCODE_INDEX;
305 if (key) {
306 if (key > WEP_KEYS)
307 return -EINVAL;
308 key--;
309 key_provided = 1;
310 } else {
311 key_provided = 0;
312 key = ieee->tx_keyidx;
313 }
314
315 IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
316 "provided" : "default");
317 crypt = &ieee->crypt[key];
318
319 if (erq->flags & IW_ENCODE_DISABLED) {
320 if (key_provided && *crypt) {
321 IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
322 key);
323 ieee80211_crypt_delayed_deinit(ieee, crypt);
324 } else
325 IEEE80211_DEBUG_WX("Disabling encryption.\n");
326
327
328
329 for (i = 0; i < WEP_KEYS; i++) {
330 if (ieee->crypt[i] != NULL) {
331 if (key_provided)
332 break;
333 ieee80211_crypt_delayed_deinit(
334 ieee, &ieee->crypt[i]);
335 }
336 }
337
338 if (i == WEP_KEYS) {
339 sec.enabled = 0;
340 sec.level = SEC_LEVEL_0;
341 sec.flags |= SEC_ENABLED | SEC_LEVEL;
342 }
343
344 goto done;
345 }
346
347
348
349 sec.enabled = 1;
350 sec.flags |= SEC_ENABLED;
351
352 if (*crypt != NULL && (*crypt)->ops != NULL &&
353 strcmp((*crypt)->ops->name, "WEP") != 0) {
354
355
356 ieee80211_crypt_delayed_deinit(ieee, crypt);
357 }
358
359 if (*crypt == NULL) {
360 struct ieee80211_crypt_data *new_crypt;
361
362
363 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
364 GFP_KERNEL);
365 if (new_crypt == NULL)
366 return -ENOMEM;
367 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
368 if (!new_crypt->ops) {
369 request_module("ieee80211_crypt_wep");
370 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
371 }
372 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
373 new_crypt->priv = new_crypt->ops->init(key);
374
375 if (!new_crypt->ops || !new_crypt->priv) {
376 kfree(new_crypt);
377 new_crypt = NULL;
378
379 printk(KERN_WARNING "%s: could not initialize WEP: "
380 "load module ieee80211_crypt_wep\n",
381 dev->name);
382 return -EOPNOTSUPP;
383 }
384 *crypt = new_crypt;
385 }
386
387
388 if (erq->length > 0) {
389 len = erq->length <= 5 ? 5 : 13;
390 memcpy(sec.keys[key], keybuf, erq->length);
391 if (len > erq->length)
392 memset(sec.keys[key] + erq->length, 0,
393 len - erq->length);
394 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
395 key, escape_essid(sec.keys[key], len),
396 erq->length, len);
397 sec.key_sizes[key] = len;
398 (*crypt)->ops->set_key(sec.keys[key], len, NULL,
399 (*crypt)->priv);
400 sec.flags |= (1 << key);
401
402
403 if (key == sec.active_key)
404 sec.flags |= SEC_ACTIVE_KEY;
405 ieee->tx_keyidx = key;
406
407 } else {
408 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
409 NULL, (*crypt)->priv);
410 if (len == 0) {
411
412 printk("Setting key %d to all zero.\n",
413 key);
414
415 IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
416 key);
417 memset(sec.keys[key], 0, 13);
418 (*crypt)->ops->set_key(sec.keys[key], 13, NULL,
419 (*crypt)->priv);
420 sec.key_sizes[key] = 13;
421 sec.flags |= (1 << key);
422 }
423
424
425 if (key_provided) {
426 IEEE80211_DEBUG_WX(
427 "Setting key %d to default Tx key.\n", key);
428 ieee->tx_keyidx = key;
429 sec.active_key = key;
430 sec.flags |= SEC_ACTIVE_KEY;
431 }
432 }
433
434 done:
435 ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
436 ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
437 sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
438 sec.flags |= SEC_AUTH_MODE;
439 IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
440 "OPEN" : "SHARED KEY");
441
442
443
444 sec.flags |= SEC_LEVEL;
445 sec.level = SEC_LEVEL_1;
446
447 if (ieee->set_security)
448 ieee->set_security(dev, &sec);
449
450
451
452
453
454
455 if (ieee->reset_on_keychange &&
456 ieee->iw_mode != IW_MODE_INFRA &&
457 ieee->reset_port && ieee->reset_port(dev)) {
458 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
459 return -EINVAL;
460 }
461 return 0;
462}
463EXPORT_SYMBOL(ieee80211_wx_set_encode);
464
465int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
466 struct iw_request_info *info,
467 union iwreq_data *wrqu, char *keybuf)
468{
469 struct iw_point *erq = &(wrqu->encoding);
470 int len, key;
471 struct ieee80211_crypt_data *crypt;
472
473 IEEE80211_DEBUG_WX("GET_ENCODE\n");
474
475 if(ieee->iw_mode == IW_MODE_MONITOR)
476 return -1;
477
478 key = erq->flags & IW_ENCODE_INDEX;
479 if (key) {
480 if (key > WEP_KEYS)
481 return -EINVAL;
482 key--;
483 } else
484 key = ieee->tx_keyidx;
485
486 crypt = ieee->crypt[key];
487 erq->flags = key + 1;
488
489 if (crypt == NULL || crypt->ops == NULL) {
490 erq->length = 0;
491 erq->flags |= IW_ENCODE_DISABLED;
492 return 0;
493 }
494 len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
495 erq->length = (len >= 0 ? len : 0);
496
497 erq->flags |= IW_ENCODE_ENABLED;
498
499 if (ieee->open_wep)
500 erq->flags |= IW_ENCODE_OPEN;
501 else
502 erq->flags |= IW_ENCODE_RESTRICTED;
503
504 return 0;
505}
506EXPORT_SYMBOL(ieee80211_wx_get_encode);
507
508int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
509 struct iw_request_info *info,
510 union iwreq_data *wrqu, char *extra)
511{
512 int ret = 0;
513 struct net_device *dev = ieee->dev;
514 struct iw_point *encoding = &wrqu->encoding;
515 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
516 int i, idx;
517 int group_key = 0;
518 const char *alg, *module;
519 struct ieee80211_crypto_ops *ops;
520 struct ieee80211_crypt_data **crypt;
521
522 struct ieee80211_security sec = {
523 .flags = 0,
524 };
525 idx = encoding->flags & IW_ENCODE_INDEX;
526 if (idx) {
527 if (idx < 1 || idx > WEP_KEYS)
528 return -EINVAL;
529 idx--;
530 } else
531 idx = ieee->tx_keyidx;
532
533 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
534
535 crypt = &ieee->crypt[idx];
536
537 group_key = 1;
538 } else {
539
540 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
541 return -EINVAL;
542 if (ieee->iw_mode == IW_MODE_INFRA)
543
544 crypt = &ieee->crypt[idx];
545
546 else
547 return -EINVAL;
548 }
549
550 sec.flags |= SEC_ENABLED;
551 if ((encoding->flags & IW_ENCODE_DISABLED) ||
552 ext->alg == IW_ENCODE_ALG_NONE) {
553 if (*crypt)
554 ieee80211_crypt_delayed_deinit(ieee, crypt);
555
556 for (i = 0; i < WEP_KEYS; i++)
557
558 if (ieee->crypt[i] != NULL)
559
560 break;
561
562 if (i == WEP_KEYS) {
563 sec.enabled = 0;
564
565 sec.level = SEC_LEVEL_0;
566 sec.flags |= SEC_LEVEL;
567 }
568 goto done;
569 }
570
571 sec.enabled = 1;
572
573 switch (ext->alg) {
574 case IW_ENCODE_ALG_WEP:
575 alg = "WEP";
576 module = "ieee80211_crypt_wep";
577 break;
578 case IW_ENCODE_ALG_TKIP:
579 alg = "TKIP";
580 module = "ieee80211_crypt_tkip";
581 break;
582 case IW_ENCODE_ALG_CCMP:
583 alg = "CCMP";
584 module = "ieee80211_crypt_ccmp";
585 break;
586 default:
587 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
588 dev->name, ext->alg);
589 ret = -EINVAL;
590 goto done;
591 }
592 printk("alg name:%s\n",alg);
593
594 ops = ieee80211_get_crypto_ops(alg);
595 if (ops == NULL) {
596 request_module(module);
597 ops = ieee80211_get_crypto_ops(alg);
598 }
599 if (ops == NULL) {
600 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
601 dev->name, ext->alg);
602 printk("========>unknown crypto alg %d\n", ext->alg);
603 ret = -EINVAL;
604 goto done;
605 }
606
607 if (*crypt == NULL || (*crypt)->ops != ops) {
608 struct ieee80211_crypt_data *new_crypt;
609
610 ieee80211_crypt_delayed_deinit(ieee, crypt);
611
612 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
613 if (new_crypt == NULL) {
614 ret = -ENOMEM;
615 goto done;
616 }
617 new_crypt->ops = ops;
618 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
619 new_crypt->priv = new_crypt->ops->init(idx);
620 if (new_crypt->priv == NULL) {
621 kfree(new_crypt);
622 ret = -EINVAL;
623 goto done;
624 }
625 *crypt = new_crypt;
626
627 }
628
629 if (ext->key_len > 0 && (*crypt)->ops->set_key &&
630 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
631 (*crypt)->priv) < 0) {
632 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
633 printk("key setting failed\n");
634 ret = -EINVAL;
635 goto done;
636 }
637
638 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
639 ieee->tx_keyidx = idx;
640 sec.active_key = idx;
641 sec.flags |= SEC_ACTIVE_KEY;
642 }
643
644 if (ext->alg != IW_ENCODE_ALG_NONE) {
645
646 sec.key_sizes[idx] = ext->key_len;
647 sec.flags |= (1 << idx);
648 if (ext->alg == IW_ENCODE_ALG_WEP) {
649
650 sec.flags |= SEC_LEVEL;
651 sec.level = SEC_LEVEL_1;
652 } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
653
654 sec.flags |= SEC_LEVEL;
655 sec.level = SEC_LEVEL_2;
656 } else if (ext->alg == IW_ENCODE_ALG_CCMP) {
657
658 sec.flags |= SEC_LEVEL;
659 sec.level = SEC_LEVEL_3;
660 }
661
662 if (group_key)
663 sec.flags &= ~SEC_LEVEL;
664 }
665done:
666 if (ieee->set_security)
667 ieee->set_security(ieee->dev, &sec);
668
669 if (ieee->reset_on_keychange &&
670 ieee->iw_mode != IW_MODE_INFRA &&
671 ieee->reset_port && ieee->reset_port(dev)) {
672 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
673 return -EINVAL;
674 }
675 return ret;
676}
677EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
678
679int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
680 struct iw_request_info *info,
681 union iwreq_data *wrqu, char *extra)
682{
683 struct iw_point *encoding = &wrqu->encoding;
684 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
685 struct ieee80211_crypt_data *crypt;
686 int idx, max_key_len;
687
688 max_key_len = encoding->length - sizeof(*ext);
689 if (max_key_len < 0)
690 return -EINVAL;
691
692 idx = encoding->flags & IW_ENCODE_INDEX;
693 if (idx) {
694 if (idx < 1 || idx > WEP_KEYS)
695 return -EINVAL;
696 idx--;
697 } else
698 idx = ieee->tx_keyidx;
699
700 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
701 ext->alg != IW_ENCODE_ALG_WEP)
702 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
703 return -EINVAL;
704
705 crypt = ieee->crypt[idx];
706 encoding->flags = idx + 1;
707 memset(ext, 0, sizeof(*ext));
708
709 if (crypt == NULL || crypt->ops == NULL ) {
710 ext->alg = IW_ENCODE_ALG_NONE;
711 ext->key_len = 0;
712 encoding->flags |= IW_ENCODE_DISABLED;
713 } else {
714 if (strcmp(crypt->ops->name, "WEP") == 0 )
715 ext->alg = IW_ENCODE_ALG_WEP;
716 else if (strcmp(crypt->ops->name, "TKIP"))
717 ext->alg = IW_ENCODE_ALG_TKIP;
718 else if (strcmp(crypt->ops->name, "CCMP"))
719 ext->alg = IW_ENCODE_ALG_CCMP;
720 else
721 return -EINVAL;
722 ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
723 encoding->flags |= IW_ENCODE_ENABLED;
724 if (ext->key_len &&
725 (ext->alg == IW_ENCODE_ALG_TKIP ||
726 ext->alg == IW_ENCODE_ALG_CCMP))
727 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
728
729 }
730
731 return 0;
732}
733EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
734
735int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
736 struct iw_request_info *info,
737 union iwreq_data *wrqu, char *extra)
738{
739 struct iw_mlme *mlme = (struct iw_mlme *) extra;
740 switch (mlme->cmd) {
741 case IW_MLME_DEAUTH:
742 case IW_MLME_DISASSOC:
743 ieee80211_disassociate(ieee);
744 break;
745 default:
746 return -EOPNOTSUPP;
747 }
748 return 0;
749}
750EXPORT_SYMBOL(ieee80211_wx_set_mlme);
751
752int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
753 struct iw_request_info *info,
754 struct iw_param *data, char *extra)
755{
756 switch (data->flags & IW_AUTH_INDEX) {
757 case IW_AUTH_WPA_VERSION:
758
759 break;
760 case IW_AUTH_CIPHER_PAIRWISE:
761 case IW_AUTH_CIPHER_GROUP:
762 case IW_AUTH_KEY_MGMT:
763
764
765
766
767 break;
768 case IW_AUTH_TKIP_COUNTERMEASURES:
769 ieee->tkip_countermeasures = data->value;
770 break;
771 case IW_AUTH_DROP_UNENCRYPTED:
772 ieee->drop_unencrypted = data->value;
773 break;
774
775 case IW_AUTH_80211_AUTH_ALG:
776
777
778 if(data->value & IW_AUTH_ALG_SHARED_KEY){
779 ieee->open_wep = 0;
780 ieee->auth_mode = 1;
781 }
782 else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){
783 ieee->open_wep = 1;
784 ieee->auth_mode = 0;
785 }
786 else if(data->value & IW_AUTH_ALG_LEAP){
787 ieee->open_wep = 1;
788 ieee->auth_mode = 2;
789 }
790 else
791 return -EINVAL;
792 break;
793
794 case IW_AUTH_WPA_ENABLED:
795 ieee->wpa_enabled = (data->value)?1:0;
796 break;
797
798 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
799 ieee->ieee802_1x = data->value;
800 break;
801 case IW_AUTH_PRIVACY_INVOKED:
802 ieee->privacy_invoked = data->value;
803 break;
804 default:
805 return -EOPNOTSUPP;
806 }
807 return 0;
808}
809EXPORT_SYMBOL(ieee80211_wx_set_auth);
810
811int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
812{
813 u8 *buf;
814
815 if (len>MAX_WPA_IE_LEN || (len && ie == NULL))
816 {
817
818 return -EINVAL;
819 }
820
821
822 if (len)
823 {
824 if (len != ie[1]+2)
825 {
826 printk("len:%zu, ie:%d\n", len, ie[1]);
827 return -EINVAL;
828 }
829 buf = kmemdup(ie, len, GFP_KERNEL);
830 if (buf == NULL)
831 return -ENOMEM;
832 kfree(ieee->wpa_ie);
833 ieee->wpa_ie = buf;
834 ieee->wpa_ie_len = len;
835 }
836 else{
837 kfree(ieee->wpa_ie);
838 ieee->wpa_ie = NULL;
839 ieee->wpa_ie_len = 0;
840 }
841 return 0;
842
843}
844EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
845
