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Merge tag 'rmobile-for-linus' of git://github.com/pmundt/linux-sh
[linux-2.6/btrfs-unstable.git] / drivers / staging / rtl8192u / ieee80211 / ieee80211_wx.c
blobf0ba7f467493770ce4e59ec7125051e6e00d5529
1 /******************************************************************************
2
3 Copyright(c) 2004 Intel Corporation. All rights reserved.
4
5 Portions of this file are based on the WEP enablement code provided by the
6 Host AP project hostap-drivers v0.1.3
7 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
8 <jkmaline@cc.hut.fi>
9 Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
10
11 This program is free software; you can redistribute it and/or modify it
12 under the terms of version 2 of the GNU General Public License as
13 published by the Free Software Foundation.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 more details.
19
20 You should have received a copy of the GNU General Public License along with
21 this program; if not, write to the Free Software Foundation, Inc., 59
22 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23
24 The full GNU General Public License is included in this distribution in the
25 file called LICENSE.
26
27 Contact Information:
28 James P. Ketrenos <ipw2100-admin@linux.intel.com>
29 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30
31 ******************************************************************************/
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"
38 struct modes_unit {
39 char *mode_string;
40 int mode_size;
41 };
42 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
54 static 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 /* First entry *MUST* be the AP MAC address */
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 /* Remaining entries will be displayed in the order we provide them */
74
75 /* Add the ESSID */
76 iwe.cmd = SIOCGIWESSID;
77 iwe.u.data.flags = 1;
78 // if (network->flags & NETWORK_EMPTY_ESSID) {
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 /* Add the protocol name */
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 /* Add mode */
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 /* Add frequency/channel */
109 iwe.cmd = SIOCGIWFREQ;
110 /* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode);
111 iwe.u.freq.e = 3; */
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 /* Add encryption capability */
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 /* Add basic and extended rates */
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)//add N rate here;
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 /* Add quality statistics */
177 /* TODO: Fix these values... */
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 #if (WIRELESS_EXT < 18)
198 if (ieee->wpa_enabled && network->wpa_ie_len){
199 char buf[MAX_WPA_IE_LEN * 2 + 30];
200 // printk("WPA IE\n");
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 #else
228 memset(&iwe, 0, sizeof(iwe));
229 if (network->wpa_ie_len)
230 {
231 char buf[MAX_WPA_IE_LEN];
232 memcpy(buf, network->wpa_ie, network->wpa_ie_len);
233 iwe.cmd = IWEVGENIE;
234 iwe.u.data.length = network->wpa_ie_len;
235 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
236 }
237 memset(&iwe, 0, sizeof(iwe));
238 if (network->rsn_ie_len)
239 {
240 char buf[MAX_WPA_IE_LEN];
241 memcpy(buf, network->rsn_ie, network->rsn_ie_len);
242 iwe.cmd = IWEVGENIE;
243 iwe.u.data.length = network->rsn_ie_len;
244 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
245 }
246 #endif
247
248
249 /* Add EXTRA: Age to display seconds since last beacon/probe response
250 * for given network. */
251 iwe.cmd = IWEVCUSTOM;
252 p = custom;
253 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
254 " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
255 iwe.u.data.length = p - custom;
256 if (iwe.u.data.length)
257 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
258
259 return start;
260 }
261
262 int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
263 struct iw_request_info *info,
264 union iwreq_data *wrqu, char *extra)
265 {
266 struct ieee80211_network *network;
267 unsigned long flags;
268
269 char *ev = extra;
270 // char *stop = ev + IW_SCAN_MAX_DATA;
271 char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA;
272 //char *stop = ev + IW_SCAN_MAX_DATA;
273 int i = 0;
274 int err = 0;
275 IEEE80211_DEBUG_WX("Getting scan\n");
276 down(&ieee->wx_sem);
277 spin_lock_irqsave(&ieee->lock, flags);
278
279 list_for_each_entry(network, &ieee->network_list, list) {
280 i++;
281 if((stop-ev)<200)
282 {
283 err = -E2BIG;
284 break;
285 }
286 if (ieee->scan_age == 0 ||
287 time_after(network->last_scanned + ieee->scan_age, jiffies))
288 ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
289 else
290 IEEE80211_DEBUG_SCAN(
291 "Not showing network '%s ("
292 "%pM)' due to age (%lums).\n",
293 escape_essid(network->ssid,
294 network->ssid_len),
295 network->bssid,
296 (jiffies - network->last_scanned) / (HZ / 100));
297 }
298
299 spin_unlock_irqrestore(&ieee->lock, flags);
300 up(&ieee->wx_sem);
301 wrqu->data.length = ev - extra;
302 wrqu->data.flags = 0;
303
304 IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
305
306 return err;
307 }
308
309 int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
310 struct iw_request_info *info,
311 union iwreq_data *wrqu, char *keybuf)
312 {
313 struct iw_point *erq = &(wrqu->encoding);
314 struct net_device *dev = ieee->dev;
315 struct ieee80211_security sec = {
316 .flags = 0
317 };
318 int i, key, key_provided, len;
319 struct ieee80211_crypt_data **crypt;
320
321 IEEE80211_DEBUG_WX("SET_ENCODE\n");
322
323 key = erq->flags & IW_ENCODE_INDEX;
324 if (key) {
325 if (key > WEP_KEYS)
326 return -EINVAL;
327 key--;
328 key_provided = 1;
329 } else {
330 key_provided = 0;
331 key = ieee->tx_keyidx;
332 }
333
334 IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
335 "provided" : "default");
336 crypt = &ieee->crypt[key];
337
338 if (erq->flags & IW_ENCODE_DISABLED) {
339 if (key_provided && *crypt) {
340 IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
341 key);
342 ieee80211_crypt_delayed_deinit(ieee, crypt);
343 } else
344 IEEE80211_DEBUG_WX("Disabling encryption.\n");
345
346 /* Check all the keys to see if any are still configured,
347 * and if no key index was provided, de-init them all */
348 for (i = 0; i < WEP_KEYS; i++) {
349 if (ieee->crypt[i] != NULL) {
350 if (key_provided)
351 break;
352 ieee80211_crypt_delayed_deinit(
353 ieee, &ieee->crypt[i]);
354 }
355 }
356
357 if (i == WEP_KEYS) {
358 sec.enabled = 0;
359 sec.level = SEC_LEVEL_0;
360 sec.flags |= SEC_ENABLED | SEC_LEVEL;
361 }
362
363 goto done;
364 }
365
366
367
368 sec.enabled = 1;
369 sec.flags |= SEC_ENABLED;
370
371 if (*crypt != NULL && (*crypt)->ops != NULL &&
372 strcmp((*crypt)->ops->name, "WEP") != 0) {
373 /* changing to use WEP; deinit previously used algorithm
374 * on this key */
375 ieee80211_crypt_delayed_deinit(ieee, crypt);
376 }
377
378 if (*crypt == NULL) {
379 struct ieee80211_crypt_data *new_crypt;
380
381 /* take WEP into use */
382 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
383 GFP_KERNEL);
384 if (new_crypt == NULL)
385 return -ENOMEM;
386 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
387 if (!new_crypt->ops) {
388 request_module("ieee80211_crypt_wep");
389 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
390 }
391 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
392 new_crypt->priv = new_crypt->ops->init(key);
393
394 if (!new_crypt->ops || !new_crypt->priv) {
395 kfree(new_crypt);
396 new_crypt = NULL;
397
398 printk(KERN_WARNING "%s: could not initialize WEP: "
399 "load module ieee80211_crypt_wep\n",
400 dev->name);
401 return -EOPNOTSUPP;
402 }
403 *crypt = new_crypt;
404 }
405
406 /* If a new key was provided, set it up */
407 if (erq->length > 0) {
408 len = erq->length <= 5 ? 5 : 13;
409 memcpy(sec.keys[key], keybuf, erq->length);
410 if (len > erq->length)
411 memset(sec.keys[key] + erq->length, 0,
412 len - erq->length);
413 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
414 key, escape_essid(sec.keys[key], len),
415 erq->length, len);
416 sec.key_sizes[key] = len;
417 (*crypt)->ops->set_key(sec.keys[key], len, NULL,
418 (*crypt)->priv);
419 sec.flags |= (1 << key);
420 /* This ensures a key will be activated if no key is
421 * explicitely set */
422 if (key == sec.active_key)
423 sec.flags |= SEC_ACTIVE_KEY;
424 ieee->tx_keyidx = key;
425
426 } else {
427 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
428 NULL, (*crypt)->priv);
429 if (len == 0) {
430 /* Set a default key of all 0 */
431 printk("Setting key %d to all zero.\n",
432 key);
433
434 IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
435 key);
436 memset(sec.keys[key], 0, 13);
437 (*crypt)->ops->set_key(sec.keys[key], 13, NULL,
438 (*crypt)->priv);
439 sec.key_sizes[key] = 13;
440 sec.flags |= (1 << key);
441 }
442
443 /* No key data - just set the default TX key index */
444 if (key_provided) {
445 IEEE80211_DEBUG_WX(
446 "Setting key %d to default Tx key.\n", key);
447 ieee->tx_keyidx = key;
448 sec.active_key = key;
449 sec.flags |= SEC_ACTIVE_KEY;
450 }
451 }
452
453 done:
454 ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
455 ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
456 sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
457 sec.flags |= SEC_AUTH_MODE;
458 IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
459 "OPEN" : "SHARED KEY");
460
461 /* For now we just support WEP, so only set that security level...
462 * TODO: When WPA is added this is one place that needs to change */
463 sec.flags |= SEC_LEVEL;
464 sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
465
466 if (ieee->set_security)
467 ieee->set_security(dev, &sec);
468
469 /* Do not reset port if card is in Managed mode since resetting will
470 * generate new IEEE 802.11 authentication which may end up in looping
471 * with IEEE 802.1X. If your hardware requires a reset after WEP
472 * configuration (for example... Prism2), implement the reset_port in
473 * the callbacks structures used to initialize the 802.11 stack. */
474 if (ieee->reset_on_keychange &&
475 ieee->iw_mode != IW_MODE_INFRA &&
476 ieee->reset_port && ieee->reset_port(dev)) {
477 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
478 return -EINVAL;
479 }
480 return 0;
481 }
482
483 int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
484 struct iw_request_info *info,
485 union iwreq_data *wrqu, char *keybuf)
486 {
487 struct iw_point *erq = &(wrqu->encoding);
488 int len, key;
489 struct ieee80211_crypt_data *crypt;
490
491 IEEE80211_DEBUG_WX("GET_ENCODE\n");
492
493 if(ieee->iw_mode == IW_MODE_MONITOR)
494 return -1;
495
496 key = erq->flags & IW_ENCODE_INDEX;
497 if (key) {
498 if (key > WEP_KEYS)
499 return -EINVAL;
500 key--;
501 } else
502 key = ieee->tx_keyidx;
503
504 crypt = ieee->crypt[key];
505 erq->flags = key + 1;
506
507 if (crypt == NULL || crypt->ops == NULL) {
508 erq->length = 0;
509 erq->flags |= IW_ENCODE_DISABLED;
510 return 0;
511 }
512 len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
513 erq->length = (len >= 0 ? len : 0);
514
515 erq->flags |= IW_ENCODE_ENABLED;
516
517 if (ieee->open_wep)
518 erq->flags |= IW_ENCODE_OPEN;
519 else
520 erq->flags |= IW_ENCODE_RESTRICTED;
521
522 return 0;
523 }
524 #if (WIRELESS_EXT >= 18)
525 int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
526 struct iw_request_info *info,
527 union iwreq_data *wrqu, char *extra)
528 {
529 int ret = 0;
530 struct net_device *dev = ieee->dev;
531 struct iw_point *encoding = &wrqu->encoding;
532 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
533 int i, idx;
534 int group_key = 0;
535 const char *alg, *module;
536 struct ieee80211_crypto_ops *ops;
537 struct ieee80211_crypt_data **crypt;
538
539 struct ieee80211_security sec = {
540 .flags = 0,
541 };
542 //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg);
543 idx = encoding->flags & IW_ENCODE_INDEX;
544 if (idx) {
545 if (idx < 1 || idx > WEP_KEYS)
546 return -EINVAL;
547 idx--;
548 } else
549 idx = ieee->tx_keyidx;
550
551 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
552
553 crypt = &ieee->crypt[idx];
554
555 group_key = 1;
556 } else {
557 /* some Cisco APs use idx>0 for unicast in dynamic WEP */
558 //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg);
559 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
560 return -EINVAL;
561 if (ieee->iw_mode == IW_MODE_INFRA)
562
563 crypt = &ieee->crypt[idx];
564
565 else
566 return -EINVAL;
567 }
568
569 sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT;
570 if ((encoding->flags & IW_ENCODE_DISABLED) ||
571 ext->alg == IW_ENCODE_ALG_NONE) {
572 if (*crypt)
573 ieee80211_crypt_delayed_deinit(ieee, crypt);
574
575 for (i = 0; i < WEP_KEYS; i++)
576
577 if (ieee->crypt[i] != NULL)
578
579 break;
580
581 if (i == WEP_KEYS) {
582 sec.enabled = 0;
583 // sec.encrypt = 0;
584 sec.level = SEC_LEVEL_0;
585 sec.flags |= SEC_LEVEL;
586 }
587 //printk("disabled: flag:%x\n", encoding->flags);
588 goto done;
589 }
590
591 sec.enabled = 1;
592 // sec.encrypt = 1;
593 switch (ext->alg) {
594 case IW_ENCODE_ALG_WEP:
595 alg = "WEP";
596 module = "ieee80211_crypt_wep";
597 break;
598 case IW_ENCODE_ALG_TKIP:
599 alg = "TKIP";
600 module = "ieee80211_crypt_tkip";
601 break;
602 case IW_ENCODE_ALG_CCMP:
603 alg = "CCMP";
604 module = "ieee80211_crypt_ccmp";
605 break;
606 default:
607 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
608 dev->name, ext->alg);
609 ret = -EINVAL;
610 goto done;
611 }
612 printk("alg name:%s\n",alg);
613
614 ops = ieee80211_get_crypto_ops(alg);
615 if (ops == NULL) {
616 request_module(module);
617 ops = ieee80211_get_crypto_ops(alg);
618 }
619 if (ops == NULL) {
620 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
621 dev->name, ext->alg);
622 printk("========>unknown crypto alg %d\n", ext->alg);
623 ret = -EINVAL;
624 goto done;
625 }
626
627 if (*crypt == NULL || (*crypt)->ops != ops) {
628 struct ieee80211_crypt_data *new_crypt;
629
630 ieee80211_crypt_delayed_deinit(ieee, crypt);
631
632 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
633 if (new_crypt == NULL) {
634 ret = -ENOMEM;
635 goto done;
636 }
637 new_crypt->ops = ops;
638 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
639 new_crypt->priv = new_crypt->ops->init(idx);
640 if (new_crypt->priv == NULL) {
641 kfree(new_crypt);
642 ret = -EINVAL;
643 goto done;
644 }
645 *crypt = new_crypt;
646
647 }
648
649 if (ext->key_len > 0 && (*crypt)->ops->set_key &&
650 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
651 (*crypt)->priv) < 0) {
652 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
653 printk("key setting failed\n");
654 ret = -EINVAL;
655 goto done;
656 }
657 //skip_host_crypt:
658 //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags);
659 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
660 ieee->tx_keyidx = idx;
661 sec.active_key = idx;
662 sec.flags |= SEC_ACTIVE_KEY;
663 }
664
665 if (ext->alg != IW_ENCODE_ALG_NONE) {
666 //memcpy(sec.keys[idx], ext->key, ext->key_len);
667 sec.key_sizes[idx] = ext->key_len;
668 sec.flags |= (1 << idx);
669 if (ext->alg == IW_ENCODE_ALG_WEP) {
670 // sec.encode_alg[idx] = SEC_ALG_WEP;
671 sec.flags |= SEC_LEVEL;
672 sec.level = SEC_LEVEL_1;
673 } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
674 // sec.encode_alg[idx] = SEC_ALG_TKIP;
675 sec.flags |= SEC_LEVEL;
676 sec.level = SEC_LEVEL_2;
677 } else if (ext->alg == IW_ENCODE_ALG_CCMP) {
678 // sec.encode_alg[idx] = SEC_ALG_CCMP;
679 sec.flags |= SEC_LEVEL;
680 sec.level = SEC_LEVEL_3;
681 }
682 /* Don't set sec level for group keys. */
683 if (group_key)
684 sec.flags &= ~SEC_LEVEL;
685 }
686 done:
687 if (ieee->set_security)
688 ieee->set_security(ieee->dev, &sec);
689
690 if (ieee->reset_on_keychange &&
691 ieee->iw_mode != IW_MODE_INFRA &&
692 ieee->reset_port && ieee->reset_port(dev)) {
693 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
694 return -EINVAL;
695 }
696 return ret;
697 }
698
699 int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
700 struct iw_request_info *info,
701 union iwreq_data *wrqu, char *extra)
702 {
703 struct iw_point *encoding = &wrqu->encoding;
704 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
705 struct ieee80211_crypt_data *crypt;
706 int idx, max_key_len;
707
708 max_key_len = encoding->length - sizeof(*ext);
709 if (max_key_len < 0)
710 return -EINVAL;
711
712 idx = encoding->flags & IW_ENCODE_INDEX;
713 if (idx) {
714 if (idx < 1 || idx > WEP_KEYS)
715 return -EINVAL;
716 idx--;
717 } else
718 idx = ieee->tx_keyidx;
719
720 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
721 ext->alg != IW_ENCODE_ALG_WEP)
722 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
723 return -EINVAL;
724
725 crypt = ieee->crypt[idx];
726 encoding->flags = idx + 1;
727 memset(ext, 0, sizeof(*ext));
728
729 if (crypt == NULL || crypt->ops == NULL ) {
730 ext->alg = IW_ENCODE_ALG_NONE;
731 ext->key_len = 0;
732 encoding->flags |= IW_ENCODE_DISABLED;
733 } else {
734 if (strcmp(crypt->ops->name, "WEP") == 0 )
735 ext->alg = IW_ENCODE_ALG_WEP;
736 else if (strcmp(crypt->ops->name, "TKIP"))
737 ext->alg = IW_ENCODE_ALG_TKIP;
738 else if (strcmp(crypt->ops->name, "CCMP"))
739 ext->alg = IW_ENCODE_ALG_CCMP;
740 else
741 return -EINVAL;
742 ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
743 encoding->flags |= IW_ENCODE_ENABLED;
744 if (ext->key_len &&
745 (ext->alg == IW_ENCODE_ALG_TKIP ||
746 ext->alg == IW_ENCODE_ALG_CCMP))
747 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
748
749 }
750
751 return 0;
752 }
753
754 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
755 struct iw_request_info *info,
756 union iwreq_data *wrqu, char *extra)
757 {
758 struct iw_mlme *mlme = (struct iw_mlme *) extra;
759 switch (mlme->cmd) {
760 case IW_MLME_DEAUTH:
761 case IW_MLME_DISASSOC:
762 ieee80211_disassociate(ieee);
763 break;
764 default:
765 return -EOPNOTSUPP;
766 }
767 return 0;
768 }
769
770 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
771 struct iw_request_info *info,
772 struct iw_param *data, char *extra)
773 {
774 switch (data->flags & IW_AUTH_INDEX) {
775 case IW_AUTH_WPA_VERSION:
776 /*need to support wpa2 here*/
777 //printk("wpa version:%x\n", data->value);
778 break;
779 case IW_AUTH_CIPHER_PAIRWISE:
780 case IW_AUTH_CIPHER_GROUP:
781 case IW_AUTH_KEY_MGMT:
782 /*
783 * * Host AP driver does not use these parameters and allows
784 * * wpa_supplicant to control them internally.
785 * */
786 break;
787 case IW_AUTH_TKIP_COUNTERMEASURES:
788 ieee->tkip_countermeasures = data->value;
789 break;
790 case IW_AUTH_DROP_UNENCRYPTED:
791 ieee->drop_unencrypted = data->value;
792 break;
793
794 case IW_AUTH_80211_AUTH_ALG:
795 //printk("======>%s():data->value is %d\n",__FUNCTION__,data->value);
796 // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0;
797 if(data->value & IW_AUTH_ALG_SHARED_KEY){
798 ieee->open_wep = 0;
799 ieee->auth_mode = 1;
800 }
801 else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){
802 ieee->open_wep = 1;
803 ieee->auth_mode = 0;
804 }
805 else if(data->value & IW_AUTH_ALG_LEAP){
806 ieee->open_wep = 1;
807 ieee->auth_mode = 2;
808 //printk("hahahaa:LEAP\n");
809 }
810 else
811 return -EINVAL;
812 //printk("open_wep:%d\n", ieee->open_wep);
813 break;
814
815 case IW_AUTH_WPA_ENABLED:
816 ieee->wpa_enabled = (data->value)?1:0;
817 //printk("enalbe wpa:%d\n", ieee->wpa_enabled);
818 break;
819
820 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
821 ieee->ieee802_1x = data->value;
822 break;
823 case IW_AUTH_PRIVACY_INVOKED:
824 ieee->privacy_invoked = data->value;
825 break;
826 default:
827 return -EOPNOTSUPP;
828 }
829 return 0;
830 }
831 #endif
832 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
833 {
834 u8 *buf;
835
836 if (len>MAX_WPA_IE_LEN || (len && ie == NULL))
837 {
838 // printk("return error out, len:%d\n", len);
839 return -EINVAL;
840 }
841
842
843 if (len)
844 {
845 if (len != ie[1]+2)
846 {
847 printk("len:%zu, ie:%d\n", len, ie[1]);
848 return -EINVAL;
849 }
850 buf = kmemdup(ie, len, GFP_KERNEL);
851 if (buf == NULL)
852 return -ENOMEM;
853 kfree(ieee->wpa_ie);
854 ieee->wpa_ie = buf;
855 ieee->wpa_ie_len = len;
856 }
857 else{
858 kfree(ieee->wpa_ie);
859 ieee->wpa_ie = NULL;
860 ieee->wpa_ie_len = 0;
861 }
862 return 0;
863
864 }
865
866 EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
867 #if (WIRELESS_EXT >= 18)
868 EXPORT_SYMBOL(ieee80211_wx_set_mlme);
869 EXPORT_SYMBOL(ieee80211_wx_set_auth);
870 EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
871 EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
872 #endif
873 EXPORT_SYMBOL(ieee80211_wx_get_scan);
874 EXPORT_SYMBOL(ieee80211_wx_set_encode);
875 EXPORT_SYMBOL(ieee80211_wx_get_encode);
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