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