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17#include <linux/wireless.h>
18#include <linux/kmod.h>
19#include <linux/slab.h>
20#include <linux/module.h>
21
22#include "ieee80211.h"
23struct modes_unit {
24 char *mode_string;
25 int mode_size;
26};
27static struct modes_unit ieee80211_modes[] = {
28 {"a", 1},
29 {"b", 1},
30 {"g", 1},
31 {"?", 1},
32 {"N-24G", 5},
33 {"N-5G", 4},
34};
35
36#define iwe_stream_add_event_rsl iwe_stream_add_event
37
38#define MAX_CUSTOM_LEN 64
39static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
40 char *start, char *stop,
41 struct ieee80211_network *network,
42 struct iw_request_info *info)
43{
44 char custom[MAX_CUSTOM_LEN];
45 char proto_name[IFNAMSIZ];
46 char *pname = proto_name;
47 char *p;
48 struct iw_event iwe;
49 int i, j;
50 u16 max_rate, rate;
51 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
52
53
54 iwe.cmd = SIOCGIWAP;
55 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
56 memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
57 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN);
58
59
60
61 iwe.cmd = SIOCGIWESSID;
62 iwe.u.data.flags = 1;
63
64 if (network->ssid_len == 0) {
65 iwe.u.data.length = sizeof("<hidden>");
66 start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
67 } else {
68 iwe.u.data.length = min(network->ssid_len, (u8)32);
69 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
70 }
71
72 iwe.cmd = SIOCGIWNAME;
73 for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) {
74 if (network->mode & BIT(i)) {
75 sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size);
76 pname +=ieee80211_modes[i].mode_size;
77 }
78 }
79 *pname = '\0';
80 snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
81 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN);
82
83 iwe.cmd = SIOCGIWMODE;
84 if (network->capability &
85 (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) {
86 if (network->capability & WLAN_CAPABILITY_BSS)
87 iwe.u.mode = IW_MODE_MASTER;
88 else
89 iwe.u.mode = IW_MODE_ADHOC;
90 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN);
91 }
92
93
94 iwe.cmd = SIOCGIWFREQ;
95
96
97 iwe.u.freq.m = network->channel;
98 iwe.u.freq.e = 0;
99 iwe.u.freq.i = 0;
100 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN);
101
102 iwe.cmd = SIOCGIWENCODE;
103 if (network->capability & WLAN_CAPABILITY_PRIVACY)
104 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
105 else
106 iwe.u.data.flags = IW_ENCODE_DISABLED;
107 iwe.u.data.length = 0;
108 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
109
110 max_rate = 0;
111 p = custom;
112 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
113 for (i = 0, j = 0; i < network->rates_len; ) {
114 if (j < network->rates_ex_len &&
115 ((network->rates_ex[j] & 0x7F) <
116 (network->rates[i] & 0x7F)))
117 rate = network->rates_ex[j++] & 0x7F;
118 else
119 rate = network->rates[i++] & 0x7F;
120 if (rate > max_rate)
121 max_rate = rate;
122 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
123 "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
124 }
125 for (; j < network->rates_ex_len; j++) {
126 rate = network->rates_ex[j] & 0x7F;
127 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
128 "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
129 if (rate > max_rate)
130 max_rate = rate;
131 }
132
133 if (network->mode >= IEEE_N_24G)
134 {
135 struct ht_capability_ele *ht_cap = NULL;
136 bool is40M = false, isShortGI = false;
137 u8 max_mcs = 0;
138 if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
139 ht_cap = (struct ht_capability_ele *)&network->bssht.bdHTCapBuf[4];
140 else
141 ht_cap = (struct ht_capability_ele *)&network->bssht.bdHTCapBuf[0];
142 is40M = (ht_cap->ChlWidth)?1:0;
143 isShortGI = (ht_cap->ChlWidth)?
144 ((ht_cap->ShortGI40Mhz)?1:0):
145 ((ht_cap->ShortGI20Mhz)?1:0);
146
147 max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL);
148 rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f];
149 if (rate > max_rate)
150 max_rate = rate;
151 }
152 iwe.cmd = SIOCGIWRATE;
153 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
154 iwe.u.bitrate.value = max_rate * 500000;
155 start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
156 IW_EV_PARAM_LEN);
157 iwe.cmd = IWEVCUSTOM;
158 iwe.u.data.length = p - custom;
159 if (iwe.u.data.length)
160 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
161
162
163 iwe.cmd = IWEVQUAL;
164 iwe.u.qual.qual = network->stats.signal;
165 iwe.u.qual.level = network->stats.rssi;
166 iwe.u.qual.noise = network->stats.noise;
167 iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK;
168 if (!(network->stats.mask & IEEE80211_STATMASK_RSSI))
169 iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
170 if (!(network->stats.mask & IEEE80211_STATMASK_NOISE))
171 iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
172 if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
173 iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
174 iwe.u.qual.updated = 7;
175 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN);
176 iwe.cmd = IWEVCUSTOM;
177 p = custom;
178
179 iwe.u.data.length = p - custom;
180 if (iwe.u.data.length)
181 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
182
183 if (ieee->wpa_enabled && network->wpa_ie_len) {
184 char buf[MAX_WPA_IE_LEN * 2 + 30];
185
186 u8 *p = buf;
187 p += sprintf(p, "wpa_ie=");
188 for (i = 0; i < network->wpa_ie_len; i++) {
189 p += sprintf(p, "%02x", network->wpa_ie[i]);
190 }
191
192 memset(&iwe, 0, sizeof(iwe));
193 iwe.cmd = IWEVCUSTOM;
194 iwe.u.data.length = strlen(buf);
195 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
196 }
197
198 if (ieee->wpa_enabled && network->rsn_ie_len) {
199 char buf[MAX_WPA_IE_LEN * 2 + 30];
200
201 u8 *p = buf;
202 p += sprintf(p, "rsn_ie=");
203 for (i = 0; i < network->rsn_ie_len; i++) {
204 p += sprintf(p, "%02x", network->rsn_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
214
215
216 iwe.cmd = IWEVCUSTOM;
217 p = custom;
218 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
219 " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
220 iwe.u.data.length = p - custom;
221 if (iwe.u.data.length)
222 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
223
224 return start;
225}
226
227int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
228 struct iw_request_info *info,
229 union iwreq_data *wrqu, char *extra)
230{
231 struct ieee80211_network *network;
232 unsigned long flags;
233
234 char *ev = extra;
235
236 char *stop = ev + wrqu->data.length;
237
238 int i = 0;
239 int err = 0;
240 IEEE80211_DEBUG_WX("Getting scan\n");
241 mutex_lock(&ieee->wx_mutex);
242 spin_lock_irqsave(&ieee->lock, flags);
243
244 list_for_each_entry(network, &ieee->network_list, list) {
245 i++;
246 if((stop-ev)<200) {
247 err = -E2BIG;
248 break;
249 }
250 if (ieee->scan_age == 0 ||
251 time_after(network->last_scanned + ieee->scan_age, jiffies))
252 ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
253 else
254 IEEE80211_DEBUG_SCAN(
255 "Not showing network '%s ("
256 "%pM)' due to age (%lums).\n",
257 escape_essid(network->ssid,
258 network->ssid_len),
259 network->bssid,
260 (jiffies - network->last_scanned) / (HZ / 100));
261 }
262
263 spin_unlock_irqrestore(&ieee->lock, flags);
264 mutex_unlock(&ieee->wx_mutex);
265 wrqu->data.length = ev - extra;
266 wrqu->data.flags = 0;
267
268 IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
269
270 return err;
271}
272EXPORT_SYMBOL(ieee80211_wx_get_scan);
273
274int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
275 struct iw_request_info *info,
276 union iwreq_data *wrqu, char *keybuf)
277{
278 struct iw_point *erq = &(wrqu->encoding);
279 struct net_device *dev = ieee->dev;
280 struct ieee80211_security sec = {
281 .flags = 0
282 };
283 int i, key, key_provided, len;
284 struct ieee80211_crypt_data **crypt;
285
286 IEEE80211_DEBUG_WX("SET_ENCODE\n");
287
288 key = erq->flags & IW_ENCODE_INDEX;
289 if (key) {
290 if (key > WEP_KEYS)
291 return -EINVAL;
292 key--;
293 key_provided = 1;
294 } else {
295 key_provided = 0;
296 key = ieee->tx_keyidx;
297 }
298
299 IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
300 "provided" : "default");
301 crypt = &ieee->crypt[key];
302
303 if (erq->flags & IW_ENCODE_DISABLED) {
304 if (key_provided && *crypt) {
305 IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
306 key);
307 ieee80211_crypt_delayed_deinit(ieee, crypt);
308 } else
309 IEEE80211_DEBUG_WX("Disabling encryption.\n");
310
311
312
313 for (i = 0; i < WEP_KEYS; i++) {
314 if (ieee->crypt[i]) {
315 if (key_provided)
316 break;
317 ieee80211_crypt_delayed_deinit(
318 ieee, &ieee->crypt[i]);
319 }
320 }
321
322 if (i == WEP_KEYS) {
323 sec.enabled = 0;
324 sec.level = SEC_LEVEL_0;
325 sec.flags |= SEC_ENABLED | SEC_LEVEL;
326 }
327
328 goto done;
329 }
330
331
332
333 sec.enabled = 1;
334 sec.flags |= SEC_ENABLED;
335
336 if (*crypt && (*crypt)->ops &&
337 strcmp((*crypt)->ops->name, "WEP") != 0) {
338
339
340 ieee80211_crypt_delayed_deinit(ieee, crypt);
341 }
342
343 if (!*crypt) {
344 struct ieee80211_crypt_data *new_crypt;
345
346
347 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
348 GFP_KERNEL);
349 if (!new_crypt)
350 return -ENOMEM;
351 new_crypt->ops = try_then_request_module(ieee80211_get_crypto_ops("WEP"),
352 "ieee80211_crypt_wep");
353 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
354 new_crypt->priv = new_crypt->ops->init(key);
355
356 if (!new_crypt->ops || !new_crypt->priv) {
357 kfree(new_crypt);
358 new_crypt = NULL;
359
360 printk(KERN_WARNING "%s: could not initialize WEP: "
361 "load module ieee80211_crypt_wep\n",
362 dev->name);
363 return -EOPNOTSUPP;
364 }
365 *crypt = new_crypt;
366 }
367
368
369 if (erq->length > 0) {
370 len = erq->length <= 5 ? 5 : 13;
371 memcpy(sec.keys[key], keybuf, erq->length);
372 if (len > erq->length)
373 memset(sec.keys[key] + erq->length, 0,
374 len - erq->length);
375 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
376 key, escape_essid(sec.keys[key], len),
377 erq->length, len);
378 sec.key_sizes[key] = len;
379 (*crypt)->ops->set_key(sec.keys[key], len, NULL,
380 (*crypt)->priv);
381 sec.flags |= BIT(key);
382
383
384
385 if (key == sec.active_key)
386 sec.flags |= SEC_ACTIVE_KEY;
387 ieee->tx_keyidx = key;
388
389 } else {
390 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
391 NULL, (*crypt)->priv);
392 if (len == 0) {
393
394 printk("Setting key %d to all zero.\n",
395 key);
396
397 IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
398 key);
399 memset(sec.keys[key], 0, 13);
400 (*crypt)->ops->set_key(sec.keys[key], 13, NULL,
401 (*crypt)->priv);
402 sec.key_sizes[key] = 13;
403 sec.flags |= BIT(key);
404 }
405
406
407 if (key_provided) {
408 IEEE80211_DEBUG_WX(
409 "Setting key %d to default Tx key.\n", key);
410 ieee->tx_keyidx = key;
411 sec.active_key = key;
412 sec.flags |= SEC_ACTIVE_KEY;
413 }
414 }
415
416 done:
417 ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
418 ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
419 sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
420 sec.flags |= SEC_AUTH_MODE;
421 IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
422 "OPEN" : "SHARED KEY");
423
424
425
426 sec.flags |= SEC_LEVEL;
427 sec.level = SEC_LEVEL_1;
428
429 if (ieee->set_security)
430 ieee->set_security(dev, &sec);
431
432
433
434
435
436
437 if (ieee->reset_on_keychange &&
438 ieee->iw_mode != IW_MODE_INFRA &&
439 ieee->reset_port && ieee->reset_port(dev)) {
440 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
441 return -EINVAL;
442 }
443 return 0;
444}
445EXPORT_SYMBOL(ieee80211_wx_set_encode);
446
447int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
448 struct iw_request_info *info,
449 union iwreq_data *wrqu, char *keybuf)
450{
451 struct iw_point *erq = &(wrqu->encoding);
452 int len, key;
453 struct ieee80211_crypt_data *crypt;
454
455 IEEE80211_DEBUG_WX("GET_ENCODE\n");
456
457 if(ieee->iw_mode == IW_MODE_MONITOR)
458 return -1;
459
460 key = erq->flags & IW_ENCODE_INDEX;
461 if (key) {
462 if (key > WEP_KEYS)
463 return -EINVAL;
464 key--;
465 } else
466 key = ieee->tx_keyidx;
467
468 crypt = ieee->crypt[key];
469 erq->flags = key + 1;
470
471 if (!crypt || !crypt->ops) {
472 erq->length = 0;
473 erq->flags |= IW_ENCODE_DISABLED;
474 return 0;
475 }
476 len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
477 erq->length = (len >= 0 ? len : 0);
478
479 erq->flags |= IW_ENCODE_ENABLED;
480
481 if (ieee->open_wep)
482 erq->flags |= IW_ENCODE_OPEN;
483 else
484 erq->flags |= IW_ENCODE_RESTRICTED;
485
486 return 0;
487}
488EXPORT_SYMBOL(ieee80211_wx_get_encode);
489
490int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
491 struct iw_request_info *info,
492 union iwreq_data *wrqu, char *extra)
493{
494 int ret = 0;
495 struct net_device *dev = ieee->dev;
496 struct iw_point *encoding = &wrqu->encoding;
497 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
498 int i, idx;
499 int group_key = 0;
500 const char *alg, *module;
501 struct ieee80211_crypto_ops *ops;
502 struct ieee80211_crypt_data **crypt;
503
504 struct ieee80211_security sec = {
505 .flags = 0,
506 };
507 idx = encoding->flags & IW_ENCODE_INDEX;
508 if (idx) {
509 if (idx < 1 || idx > WEP_KEYS)
510 return -EINVAL;
511 idx--;
512 } else
513 idx = ieee->tx_keyidx;
514
515 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
516
517 crypt = &ieee->crypt[idx];
518
519 group_key = 1;
520 } else {
521
522 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
523 return -EINVAL;
524 if (ieee->iw_mode == IW_MODE_INFRA)
525
526 crypt = &ieee->crypt[idx];
527
528 else
529 return -EINVAL;
530 }
531
532 sec.flags |= SEC_ENABLED;
533 if ((encoding->flags & IW_ENCODE_DISABLED) ||
534 ext->alg == IW_ENCODE_ALG_NONE) {
535 if (*crypt)
536 ieee80211_crypt_delayed_deinit(ieee, crypt);
537
538 for (i = 0; i < WEP_KEYS; i++)
539
540 if (ieee->crypt[i])
541
542 break;
543
544 if (i == WEP_KEYS) {
545 sec.enabled = 0;
546
547 sec.level = SEC_LEVEL_0;
548 sec.flags |= SEC_LEVEL;
549 }
550 goto done;
551 }
552
553 sec.enabled = 1;
554
555 switch (ext->alg) {
556 case IW_ENCODE_ALG_WEP:
557 alg = "WEP";
558 module = "ieee80211_crypt_wep";
559 break;
560 case IW_ENCODE_ALG_TKIP:
561 alg = "TKIP";
562 module = "ieee80211_crypt_tkip";
563 break;
564 case IW_ENCODE_ALG_CCMP:
565 alg = "CCMP";
566 module = "ieee80211_crypt_ccmp";
567 break;
568 default:
569 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
570 dev->name, ext->alg);
571 ret = -EINVAL;
572 goto done;
573 }
574 printk("alg name:%s\n",alg);
575
576 ops = try_then_request_module(ieee80211_get_crypto_ops(alg), module);
577 if (!ops) {
578 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
579 dev->name, ext->alg);
580 printk("========>unknown crypto alg %d\n", ext->alg);
581 ret = -EINVAL;
582 goto done;
583 }
584
585 if (!*crypt || (*crypt)->ops != ops) {
586 struct ieee80211_crypt_data *new_crypt;
587
588 ieee80211_crypt_delayed_deinit(ieee, crypt);
589
590 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
591 if (!new_crypt) {
592 ret = -ENOMEM;
593 goto done;
594 }
595 new_crypt->ops = ops;
596 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
597 new_crypt->priv = new_crypt->ops->init(idx);
598 if (!new_crypt->priv) {
599 kfree(new_crypt);
600 ret = -EINVAL;
601 goto done;
602 }
603 *crypt = new_crypt;
604 }
605
606 if (ext->key_len > 0 && (*crypt)->ops->set_key &&
607 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
608 (*crypt)->priv) < 0) {
609 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
610 printk("key setting failed\n");
611 ret = -EINVAL;
612 goto done;
613 }
614
615 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
616 ieee->tx_keyidx = idx;
617 sec.active_key = idx;
618 sec.flags |= SEC_ACTIVE_KEY;
619 }
620
621 if (ext->alg != IW_ENCODE_ALG_NONE) {
622
623 sec.key_sizes[idx] = ext->key_len;
624 sec.flags |= BIT(idx);
625 if (ext->alg == IW_ENCODE_ALG_WEP) {
626
627 sec.flags |= SEC_LEVEL;
628 sec.level = SEC_LEVEL_1;
629 } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
630
631 sec.flags |= SEC_LEVEL;
632 sec.level = SEC_LEVEL_2;
633 } else if (ext->alg == IW_ENCODE_ALG_CCMP) {
634
635 sec.flags |= SEC_LEVEL;
636 sec.level = SEC_LEVEL_3;
637 }
638
639 if (group_key)
640 sec.flags &= ~SEC_LEVEL;
641 }
642done:
643 if (ieee->set_security)
644 ieee->set_security(ieee->dev, &sec);
645
646 if (ieee->reset_on_keychange &&
647 ieee->iw_mode != IW_MODE_INFRA &&
648 ieee->reset_port && ieee->reset_port(dev)) {
649 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
650 return -EINVAL;
651 }
652 return ret;
653}
654EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
655
656int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
657 struct iw_request_info *info,
658 union iwreq_data *wrqu, char *extra)
659{
660 struct iw_point *encoding = &wrqu->encoding;
661 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
662 struct ieee80211_crypt_data *crypt;
663 int idx, max_key_len;
664
665 max_key_len = encoding->length - sizeof(*ext);
666 if (max_key_len < 0)
667 return -EINVAL;
668
669 idx = encoding->flags & IW_ENCODE_INDEX;
670 if (idx) {
671 if (idx < 1 || idx > WEP_KEYS)
672 return -EINVAL;
673 idx--;
674 } else
675 idx = ieee->tx_keyidx;
676
677 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
678 ext->alg != IW_ENCODE_ALG_WEP)
679 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
680 return -EINVAL;
681
682 crypt = ieee->crypt[idx];
683 encoding->flags = idx + 1;
684 memset(ext, 0, sizeof(*ext));
685
686 if (!crypt || !crypt->ops) {
687 ext->alg = IW_ENCODE_ALG_NONE;
688 ext->key_len = 0;
689 encoding->flags |= IW_ENCODE_DISABLED;
690 } else {
691 if (strcmp(crypt->ops->name, "WEP") == 0 )
692 ext->alg = IW_ENCODE_ALG_WEP;
693 else if (strcmp(crypt->ops->name, "TKIP"))
694 ext->alg = IW_ENCODE_ALG_TKIP;
695 else if (strcmp(crypt->ops->name, "CCMP"))
696 ext->alg = IW_ENCODE_ALG_CCMP;
697 else
698 return -EINVAL;
699 ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
700 encoding->flags |= IW_ENCODE_ENABLED;
701 if (ext->key_len &&
702 (ext->alg == IW_ENCODE_ALG_TKIP ||
703 ext->alg == IW_ENCODE_ALG_CCMP))
704 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
705 }
706
707 return 0;
708}
709EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
710
711int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
712 struct iw_request_info *info,
713 union iwreq_data *wrqu, char *extra)
714{
715 struct iw_mlme *mlme = (struct iw_mlme *) extra;
716 switch (mlme->cmd) {
717 case IW_MLME_DEAUTH:
718 case IW_MLME_DISASSOC:
719 ieee80211_disassociate(ieee);
720 break;
721 default:
722 return -EOPNOTSUPP;
723 }
724 return 0;
725}
726EXPORT_SYMBOL(ieee80211_wx_set_mlme);
727
728int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
729 struct iw_request_info *info,
730 struct iw_param *data, char *extra)
731{
732 switch (data->flags & IW_AUTH_INDEX) {
733 case IW_AUTH_WPA_VERSION:
734
735 break;
736 case IW_AUTH_CIPHER_PAIRWISE:
737 case IW_AUTH_CIPHER_GROUP:
738 case IW_AUTH_KEY_MGMT:
739
740
741
742
743 break;
744 case IW_AUTH_TKIP_COUNTERMEASURES:
745 ieee->tkip_countermeasures = data->value;
746 break;
747 case IW_AUTH_DROP_UNENCRYPTED:
748 ieee->drop_unencrypted = data->value;
749 break;
750
751 case IW_AUTH_80211_AUTH_ALG:
752
753
754 if (data->value & IW_AUTH_ALG_SHARED_KEY) {
755 ieee->open_wep = 0;
756 ieee->auth_mode = 1;
757 } else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) {
758 ieee->open_wep = 1;
759 ieee->auth_mode = 0;
760 } else if (data->value & IW_AUTH_ALG_LEAP) {
761 ieee->open_wep = 1;
762 ieee->auth_mode = 2;
763 } else
764 return -EINVAL;
765 break;
766
767 case IW_AUTH_WPA_ENABLED:
768 ieee->wpa_enabled = (data->value)?1:0;
769 break;
770
771 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
772 ieee->ieee802_1x = data->value;
773 break;
774 case IW_AUTH_PRIVACY_INVOKED:
775 ieee->privacy_invoked = data->value;
776 break;
777 default:
778 return -EOPNOTSUPP;
779 }
780 return 0;
781}
782EXPORT_SYMBOL(ieee80211_wx_set_auth);
783
784int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
785{
786 u8 *buf;
787
788 if (len>MAX_WPA_IE_LEN || (len && !ie)) {
789
790 return -EINVAL;
791 }
792
793
794 if (len) {
795 if (len != ie[1]+2) {
796 printk("len:%zu, ie:%d\n", len, ie[1]);
797 return -EINVAL;
798 }
799 buf = kmemdup(ie, len, GFP_KERNEL);
800 if (!buf)
801 return -ENOMEM;
802 kfree(ieee->wpa_ie);
803 ieee->wpa_ie = buf;
804 ieee->wpa_ie_len = len;
805 } else {
806 kfree(ieee->wpa_ie);
807 ieee->wpa_ie = NULL;
808 ieee->wpa_ie_len = 0;
809 }
810 return 0;
811}
812EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
813
