1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
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 as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 *
20 * File: wpactl.c
21 *
22 * Purpose: handle wpa supplicant ioctl input/out functions
23 *
24 * Author: Lyndon Chen
25 *
26 * Date: Oct. 20, 2003
27 *
28 * Functions:
29 *
30 * Revision History:
31 *
32 */
33
34 #include "wpactl.h"
35 #include "key.h"
36 #include "mac.h"
37 #include "device.h"
38 #include "wmgr.h"
39 #include "iocmd.h"
40 #include "iowpa.h"
41 #include "rf.h"
42
43 /*--------------------- Static Definitions -------------------------*/
44
45 #define VIAWGET_WPA_MAX_BUF_SIZE 1024
46
47
48
49 static const int frequency_list[] = {
50 2412, 2417, 2422, 2427, 2432, 2437, 2442,
51 2447, 2452, 2457, 2462, 2467, 2472, 2484
52 };
53 /*--------------------- Static Classes ----------------------------*/
54
55 /*--------------------- Static Variables --------------------------*/
56 //static int msglevel =MSG_LEVEL_DEBUG;
57 static int msglevel =MSG_LEVEL_INFO;
58
59 /*--------------------- Static Functions --------------------------*/
60
61
62
63
64 /*--------------------- Export Variables --------------------------*/
wpadev_setup(struct net_device * dev)65 static void wpadev_setup(struct net_device *dev)
66 {
67 dev->type = ARPHRD_IEEE80211;
68 dev->hard_header_len = ETH_HLEN;
69 dev->mtu = 2048;
70 dev->addr_len = ETH_ALEN;
71 dev->tx_queue_len = 1000;
72
73 memset(dev->broadcast,0xFF, ETH_ALEN);
74
75 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
76 }
77
78 /*
79 * Description:
80 * register netdev for wpa supplicant deamon
81 *
82 * Parameters:
83 * In:
84 * pDevice -
85 * enable -
86 * Out:
87 *
88 * Return Value:
89 *
90 */
91
wpa_init_wpadev(PSDevice pDevice)92 static int wpa_init_wpadev(PSDevice pDevice)
93 {
94 PSDevice wpadev_priv;
95 struct net_device *dev = pDevice->dev;
96 int ret=0;
97
98 pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
99 if (pDevice->wpadev == NULL)
100 return -ENOMEM;
101
102 wpadev_priv = netdev_priv(pDevice->wpadev);
103 *wpadev_priv = *pDevice;
104 memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, ETH_ALEN);
105 pDevice->wpadev->base_addr = dev->base_addr;
106 pDevice->wpadev->irq = dev->irq;
107 pDevice->wpadev->mem_start = dev->mem_start;
108 pDevice->wpadev->mem_end = dev->mem_end;
109 ret = register_netdev(pDevice->wpadev);
110 if (ret) {
111 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n",
112 dev->name);
113 free_netdev(pDevice->wpadev);
114 return -1;
115 }
116
117 if (pDevice->skb == NULL) {
118 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
119 if (pDevice->skb == NULL)
120 return -ENOMEM;
121 }
122
123 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n",
124 dev->name, pDevice->wpadev->name);
125
126 return 0;
127 }
128
129
130 /*
131 * Description:
132 * unregister net_device (wpadev)
133 *
134 * Parameters:
135 * In:
136 * pDevice -
137 * Out:
138 *
139 * Return Value:
140 *
141 */
142
wpa_release_wpadev(PSDevice pDevice)143 static int wpa_release_wpadev(PSDevice pDevice)
144 {
145 if (pDevice->skb) {
146 dev_kfree_skb(pDevice->skb);
147 pDevice->skb = NULL;
148 }
149
150 if (pDevice->wpadev) {
151 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
152 pDevice->dev->name, pDevice->wpadev->name);
153 unregister_netdev(pDevice->wpadev);
154 free_netdev(pDevice->wpadev);
155 pDevice->wpadev = NULL;
156 }
157
158 return 0;
159 }
160
161
162
163
164
165 /*
166 * Description:
167 * Set enable/disable dev for wpa supplicant deamon
168 *
169 * Parameters:
170 * In:
171 * pDevice -
172 * val -
173 * Out:
174 *
175 * Return Value:
176 *
177 */
178
wpa_set_wpadev(PSDevice pDevice,int val)179 int wpa_set_wpadev(PSDevice pDevice, int val)
180 {
181 if (val)
182 return wpa_init_wpadev(pDevice);
183 else
184 return wpa_release_wpadev(pDevice);
185 }
186
187
188 /*
189 * Description:
190 * Set WPA algorithm & keys
191 *
192 * Parameters:
193 * In:
194 * pDevice -
195 * param -
196 * Out:
197 *
198 * Return Value:
199 *
200 */
201
wpa_set_keys(PSDevice pDevice,void * ctx,bool fcpfkernel)202 int wpa_set_keys(PSDevice pDevice, void *ctx, bool fcpfkernel)
203 {
204 struct viawget_wpa_param *param=ctx;
205 PSMgmtObject pMgmt = pDevice->pMgmt;
206 unsigned long dwKeyIndex = 0;
207 unsigned char abyKey[MAX_KEY_LEN];
208 unsigned char abySeq[MAX_KEY_LEN];
209 QWORD KeyRSC;
210 // NDIS_802_11_KEY_RSC KeyRSC;
211 unsigned char byKeyDecMode = KEY_CTL_WEP;
212 int ret = 0;
213 int uu, ii;
214
215
216 if (param->u.wpa_key.alg_name > WPA_ALG_CCMP ||
217 param->u.wpa_key.key_len >= MAX_KEY_LEN ||
218 param->u.wpa_key.seq_len >= MAX_KEY_LEN)
219 return -EINVAL;
220
221 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
222 if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
223 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
224 pDevice->bEncryptionEnable = false;
225 pDevice->byKeyIndex = 0;
226 pDevice->bTransmitKey = false;
227 KeyvRemoveAllWEPKey(&(pDevice->sKey), pDevice->PortOffset);
228 for (uu=0; uu<MAX_KEY_TABLE; uu++) {
229 MACvDisableKeyEntry(pDevice->PortOffset, uu);
230 }
231 return ret;
232 }
233
234 //spin_unlock_irq(&pDevice->lock);
235 if(param->u.wpa_key.key && fcpfkernel) {
236 memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
237 }
238 else {
239 spin_unlock_irq(&pDevice->lock);
240 if (param->u.wpa_key.key &&
241 copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)) {
242 spin_lock_irq(&pDevice->lock);
243 return -EINVAL;
244 }
245 spin_lock_irq(&pDevice->lock);
246 }
247
248 dwKeyIndex = (unsigned long)(param->u.wpa_key.key_index);
249
250 if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
251 if (dwKeyIndex > 3) {
252 return -EINVAL;
253 }
254 else {
255 if (param->u.wpa_key.set_tx) {
256 pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
257 pDevice->bTransmitKey = true;
258 dwKeyIndex |= (1 << 31);
259 }
260 KeybSetDefaultKey(&(pDevice->sKey),
261 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
262 param->u.wpa_key.key_len,
263 NULL,
264 abyKey,
265 KEY_CTL_WEP,
266 pDevice->PortOffset,
267 pDevice->byLocalID);
268
269 }
270 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
271 pDevice->bEncryptionEnable = true;
272 return ret;
273 }
274
275 //spin_unlock_irq(&pDevice->lock);
276 if(param->u.wpa_key.seq && fcpfkernel) {
277 memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
278 }
279 else {
280 spin_unlock_irq(&pDevice->lock);
281 if (param->u.wpa_key.seq &&
282 copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) {
283 spin_lock_irq(&pDevice->lock);
284 return -EINVAL;
285 }
286 spin_lock_irq(&pDevice->lock);
287 }
288
289 if (param->u.wpa_key.seq_len > 0) {
290 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
291 if (ii < 4)
292 LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
293 else
294 HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
295 //KeyRSC |= (abySeq[ii] << (ii * 8));
296 }
297 dwKeyIndex |= 1 << 29;
298 }
299
300 if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
301 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n");
302 return -EINVAL;
303 }
304
305 if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
306 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
307 }
308
309 if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
310 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
311 }
312
313 if (param->u.wpa_key.set_tx)
314 dwKeyIndex |= (1 << 31);
315
316
317 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
318 byKeyDecMode = KEY_CTL_CCMP;
319 else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
320 byKeyDecMode = KEY_CTL_TKIP;
321 else
322 byKeyDecMode = KEY_CTL_WEP;
323
324 // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
325 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
326 if (param->u.wpa_key.key_len == MAX_KEY_LEN)
327 byKeyDecMode = KEY_CTL_TKIP;
328 else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
329 byKeyDecMode = KEY_CTL_WEP;
330 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
331 byKeyDecMode = KEY_CTL_WEP;
332 } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
333 if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
334 byKeyDecMode = KEY_CTL_WEP;
335 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
336 byKeyDecMode = KEY_CTL_WEP;
337 }
338
339 // Check TKIP key length
340 if ((byKeyDecMode == KEY_CTL_TKIP) &&
341 (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
342 // TKIP Key must be 256 bits
343 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
344 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
345 return -EINVAL;
346 }
347 // Check AES key length
348 if ((byKeyDecMode == KEY_CTL_CCMP) &&
349 (param->u.wpa_key.key_len != AES_KEY_LEN)) {
350 // AES Key must be 128 bits
351 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - AES Key must be 128 bits\n"));
352 return -EINVAL;
353 }
354
355 // spin_lock_irq(&pDevice->lock);
356 if (is_broadcast_ether_addr(¶m->addr[0]) || (param->addr == NULL)) {
357 // If is_broadcast_ether_addr, set the key as every key entry's group key.
358 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
359
360 if ((KeybSetAllGroupKey(&(pDevice->sKey),
361 dwKeyIndex,
362 param->u.wpa_key.key_len,
363 (PQWORD) &(KeyRSC),
364 (unsigned char *)abyKey,
365 byKeyDecMode,
366 pDevice->PortOffset,
367 pDevice->byLocalID) == true) &&
368 (KeybSetDefaultKey(&(pDevice->sKey),
369 dwKeyIndex,
370 param->u.wpa_key.key_len,
371 (PQWORD) &(KeyRSC),
372 (unsigned char *)abyKey,
373 byKeyDecMode,
374 pDevice->PortOffset,
375 pDevice->byLocalID) == true) ) {
376 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
377
378 } else {
379 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
380 // spin_unlock_irq(&pDevice->lock);
381 return -EINVAL;
382 }
383
384 } else {
385 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
386 // BSSID not 0xffffffffffff
387 // Pairwise Key can't be WEP
388 if (byKeyDecMode == KEY_CTL_WEP) {
389 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
390 //spin_unlock_irq(&pDevice->lock);
391 return -EINVAL;
392 }
393
394 dwKeyIndex |= (1 << 30); // set pairwise key
395 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
396 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
397 //spin_unlock_irq(&pDevice->lock);
398 return -EINVAL;
399 }
400 if (KeybSetKey(&(pDevice->sKey),
401 ¶m->addr[0],
402 dwKeyIndex,
403 param->u.wpa_key.key_len,
404 (PQWORD) &(KeyRSC),
405 (unsigned char *)abyKey,
406 byKeyDecMode,
407 pDevice->PortOffset,
408 pDevice->byLocalID) == true) {
409 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
410
411 } else {
412 // Key Table Full
413 if (!compare_ether_addr(¶m->addr[0], pDevice->abyBSSID)) {
414 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
415 //spin_unlock_irq(&pDevice->lock);
416 return -EINVAL;
417
418 } else {
419 // Save Key and configure just before associate/reassociate to BSSID
420 // we do not implement now
421 //spin_unlock_irq(&pDevice->lock);
422 return -EINVAL;
423 }
424 }
425 } // BSSID not 0xffffffffffff
426 if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
427 pDevice->byKeyIndex = (unsigned char)param->u.wpa_key.key_index;
428 pDevice->bTransmitKey = true;
429 }
430 pDevice->bEncryptionEnable = true;
431 //spin_unlock_irq(&pDevice->lock);
432
433 /*
434 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
435 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
436 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
437 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
438 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
439 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
440 );
441 */
442
443 return ret;
444
445 }
446
447
448 /*
449 * Description:
450 * enable wpa auth & mode
451 *
452 * Parameters:
453 * In:
454 * pDevice -
455 * param -
456 * Out:
457 *
458 * Return Value:
459 *
460 */
461
wpa_set_wpa(PSDevice pDevice,struct viawget_wpa_param * param)462 static int wpa_set_wpa(PSDevice pDevice,
463 struct viawget_wpa_param *param)
464 {
465
466 PSMgmtObject pMgmt = pDevice->pMgmt;
467 int ret = 0;
468
469 pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
470 pMgmt->bShareKeyAlgorithm = false;
471
472 return ret;
473 }
474
475
476
477
478 /*
479 * Description:
480 * set disassociate
481 *
482 * Parameters:
483 * In:
484 * pDevice -
485 * param -
486 * Out:
487 *
488 * Return Value:
489 *
490 */
491
wpa_set_disassociate(PSDevice pDevice,struct viawget_wpa_param * param)492 static int wpa_set_disassociate(PSDevice pDevice,
493 struct viawget_wpa_param *param)
494 {
495 PSMgmtObject pMgmt = pDevice->pMgmt;
496 int ret = 0;
497
498 spin_lock_irq(&pDevice->lock);
499 if (pDevice->bLinkPass) {
500 if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
501 bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
502 }
503 spin_unlock_irq(&pDevice->lock);
504
505 return ret;
506 }
507
508
509
510 /*
511 * Description:
512 * enable scan process
513 *
514 * Parameters:
515 * In:
516 * pDevice -
517 * param -
518 * Out:
519 *
520 * Return Value:
521 *
522 */
523
wpa_set_scan(PSDevice pDevice,struct viawget_wpa_param * param)524 static int wpa_set_scan(PSDevice pDevice,
525 struct viawget_wpa_param *param)
526 {
527 int ret = 0;
528
529 spin_lock_irq(&pDevice->lock);
530 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
531 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
532 spin_unlock_irq(&pDevice->lock);
533
534 return ret;
535 }
536
537
538
539 /*
540 * Description:
541 * get bssid
542 *
543 * Parameters:
544 * In:
545 * pDevice -
546 * param -
547 * Out:
548 *
549 * Return Value:
550 *
551 */
552
wpa_get_bssid(PSDevice pDevice,struct viawget_wpa_param * param)553 static int wpa_get_bssid(PSDevice pDevice,
554 struct viawget_wpa_param *param)
555 {
556 PSMgmtObject pMgmt = pDevice->pMgmt;
557 int ret = 0;
558
559 memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
560
561 return ret;
562
563 }
564
565
566 /*
567 * Description:
568 * get bssid
569 *
570 * Parameters:
571 * In:
572 * pDevice -
573 * param -
574 * Out:
575 *
576 * Return Value:
577 *
578 */
579
wpa_get_ssid(PSDevice pDevice,struct viawget_wpa_param * param)580 static int wpa_get_ssid(PSDevice pDevice,
581 struct viawget_wpa_param *param)
582 {
583 PSMgmtObject pMgmt = pDevice->pMgmt;
584 PWLAN_IE_SSID pItemSSID;
585 int ret = 0;
586
587 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
588
589 memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
590 param->u.wpa_associate.ssid_len = pItemSSID->len;
591
592 return ret;
593 }
594
595
596
597 /*
598 * Description:
599 * get scan results
600 *
601 * Parameters:
602 * In:
603 * pDevice -
604 * param -
605 * Out:
606 *
607 * Return Value:
608 *
609 */
610
wpa_get_scan(PSDevice pDevice,struct viawget_wpa_param * param)611 static int wpa_get_scan(PSDevice pDevice,
612 struct viawget_wpa_param *param)
613 {
614 struct viawget_scan_result *scan_buf;
615 PSMgmtObject pMgmt = pDevice->pMgmt;
616 PWLAN_IE_SSID pItemSSID;
617 PKnownBSS pBSS;
618 unsigned char *pBuf;
619 int ret = 0;
620 u16 count = 0;
621 u16 ii, jj;
622 #if 1
623
624 unsigned char *ptempBSS;
625
626
627
628 ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
629
630 if (ptempBSS == NULL) {
631
632 printk("bubble sort kmalloc memory fail@@@\n");
633
634 ret = -ENOMEM;
635
636 return ret;
637
638 }
639
640 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
641
642 for(jj=0;jj<MAX_BSS_NUM-ii-1;jj++) {
643
644 if((pMgmt->sBSSList[jj].bActive!=true) ||
645
646 ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=false))) {
647
648 memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
649
650 memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
651
652 memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
653
654 }
655
656 }
657
658 }
659
660 kfree(ptempBSS);
661
662 // printk("bubble sort result:\n");
663
664 //for (ii = 0; ii < MAX_BSS_NUM; ii++)
665
666 // printk("%d [%s]:RSSI=%d\n",ii,((PWLAN_IE_SSID)(pMgmt->sBSSList[ii].abySSID))->abySSID,
667
668 // pMgmt->sBSSList[ii].uRSSI);
669
670 #endif
671
672 //******mike:bubble sort by stronger RSSI*****//
673
674
675
676
677 count = 0;
678 pBSS = &(pMgmt->sBSSList[0]);
679 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
680 pBSS = &(pMgmt->sBSSList[ii]);
681 if (!pBSS->bActive)
682 continue;
683 count++;
684 }
685
686 pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC);
687
688 if (pBuf == NULL) {
689 ret = -ENOMEM;
690 return ret;
691 }
692 scan_buf = (struct viawget_scan_result *)pBuf;
693 pBSS = &(pMgmt->sBSSList[0]);
694 for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
695 pBSS = &(pMgmt->sBSSList[ii]);
696 if (pBSS->bActive) {
697 if (jj >= count)
698 break;
699 memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
700 pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
701 memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
702 scan_buf->ssid_len = pItemSSID->len;
703 scan_buf->freq = frequency_list[pBSS->uChannel-1];
704 scan_buf->caps = pBSS->wCapInfo;
705 //scan_buf->caps = pBSS->wCapInfo;
706 //scan_buf->qual =
707 //scan_buf->noise =
708 //scan_buf->level =
709 //scan_buf->maxrate =
710 if (pBSS->wWPALen != 0) {
711 scan_buf->wpa_ie_len = pBSS->wWPALen;
712 memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
713 }
714 if (pBSS->wRSNLen != 0) {
715 scan_buf->rsn_ie_len = pBSS->wRSNLen;
716 memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
717 }
718 scan_buf = (struct viawget_scan_result *)((unsigned char *)scan_buf + sizeof(struct viawget_scan_result));
719 jj ++;
720 }
721 }
722
723 if (jj < count)
724 count = jj;
725
726 if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
727 ret = -EFAULT;
728 }
729 param->u.scan_results.scan_count = count;
730 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
731
732 kfree(pBuf);
733 return ret;
734 }
735
736
737
738 /*
739 * Description:
740 * set associate with AP
741 *
742 * Parameters:
743 * In:
744 * pDevice -
745 * param -
746 * Out:
747 *
748 * Return Value:
749 *
750 */
751
wpa_set_associate(PSDevice pDevice,struct viawget_wpa_param * param)752 static int wpa_set_associate(PSDevice pDevice,
753 struct viawget_wpa_param *param)
754 {
755 PSMgmtObject pMgmt = pDevice->pMgmt;
756 PWLAN_IE_SSID pItemSSID;
757 unsigned char abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
758 unsigned char abyWPAIE[64];
759 int ret = 0;
760 bool bWepEnabled=false;
761
762 // set key type & algorithm
763 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
764 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
765 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
766 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
767 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
768 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
769
770
771 if (param->u.wpa_associate.wpa_ie_len) {
772 if (!param->u.wpa_associate.wpa_ie)
773 return -EINVAL;
774 if (param->u.wpa_associate.wpa_ie_len > sizeof(abyWPAIE))
775 return -EINVAL;
776 if (copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len))
777 return -EFAULT;
778 }
779
780 if (param->u.wpa_associate.mode == 1)
781 pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
782 else
783 pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
784 // set ssid
785 memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
786 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
787 pItemSSID->byElementID = WLAN_EID_SSID;
788 pItemSSID->len = param->u.wpa_associate.ssid_len;
789 memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
790 // set bssid
791 if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
792 memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
793 else
794 {
795 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID);
796 }
797
798 if (param->u.wpa_associate.wpa_ie_len == 0) {
799 if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY)
800 pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
801 else
802 pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
803 } else if (abyWPAIE[0] == RSN_INFO_ELEM) {
804 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
805 pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
806 else
807 pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
808 } else {
809 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE)
810 pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
811 else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
812 pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
813 else
814 pMgmt->eAuthenMode = WMAC_AUTH_WPA;
815 }
816
817 switch (param->u.wpa_associate.pairwise_suite) {
818 case CIPHER_CCMP:
819 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
820 break;
821 case CIPHER_TKIP:
822 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
823 break;
824 case CIPHER_WEP40:
825 case CIPHER_WEP104:
826 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
827 bWepEnabled=true;
828 break;
829 case CIPHER_NONE:
830 if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
831 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
832 else
833 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
834 break;
835 default:
836 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
837 }
838
839 //DavidWang add for WPA_supplicant support open/share mode
840
841 if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {
842 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
843 //pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
844 pMgmt->bShareKeyAlgorithm = true;
845 }
846 else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
847 if(!bWepEnabled) pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
848 else pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
849 //pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
850 //pMgmt->bShareKeyAlgorithm = false; //20080717-06,<Modify> by chester//Fix Open mode, WEP encrytion
851 }
852 //mike save old encryption status
853 pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
854
855 if (pDevice->eEncryptionStatus != Ndis802_11EncryptionDisabled)
856 pDevice->bEncryptionEnable = true;
857 else
858 pDevice->bEncryptionEnable = false;
859 if (!((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
860 ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bWepEnabled==true))) ) //DavidWang //20080717-06,<Modify> by chester//Not to initial WEP
861 KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
862 spin_lock_irq(&pDevice->lock);
863 pDevice->bLinkPass = false;
864 memset(pMgmt->abyCurrBSSID, 0, 6);
865 pMgmt->eCurrState = WMAC_STATE_IDLE;
866 netif_stop_queue(pDevice->dev);
867 //20080701-02,<Add> by Mike Liu
868 /*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
869 {
870 PKnownBSS pCurr = NULL;
871 pCurr = BSSpSearchBSSList(pDevice,
872 pMgmt->abyDesireBSSID,
873 pMgmt->abyDesireSSID,
874 pMgmt->eConfigPHYMode
875 );
876
877 if (pCurr == NULL){
878 printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
879 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
880 }
881 }
882 /****************************************************************/
883 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
884 spin_unlock_irq(&pDevice->lock);
885
886 return ret;
887 }
888
889
890 /*
891 * Description:
892 * wpa_ioctl main function supported for wpa supplicant
893 *
894 * Parameters:
895 * In:
896 * pDevice -
897 * iw_point -
898 * Out:
899 *
900 * Return Value:
901 *
902 */
903
wpa_ioctl(PSDevice pDevice,struct iw_point * p)904 int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
905 {
906 struct viawget_wpa_param *param;
907 int ret = 0;
908 int wpa_ioctl = 0;
909
910 if (p->length < sizeof(struct viawget_wpa_param) ||
911 p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
912 return -EINVAL;
913
914 param = kmalloc((int)p->length, (int)GFP_KERNEL);
915 if (param == NULL)
916 return -ENOMEM;
917
918 if (copy_from_user(param, p->pointer, p->length)) {
919 ret = -EFAULT;
920 goto out;
921 }
922
923 switch (param->cmd) {
924 case VIAWGET_SET_WPA:
925 ret = wpa_set_wpa(pDevice, param);
926 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
927 break;
928
929 case VIAWGET_SET_KEY:
930 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
931 spin_lock_irq(&pDevice->lock);
932 ret = wpa_set_keys(pDevice, param, false);
933 spin_unlock_irq(&pDevice->lock);
934 break;
935
936 case VIAWGET_SET_SCAN:
937 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
938 ret = wpa_set_scan(pDevice, param);
939 break;
940
941 case VIAWGET_GET_SCAN:
942 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
943 ret = wpa_get_scan(pDevice, param);
944 wpa_ioctl = 1;
945 break;
946
947 case VIAWGET_GET_SSID:
948 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
949 ret = wpa_get_ssid(pDevice, param);
950 wpa_ioctl = 1;
951 break;
952
953 case VIAWGET_GET_BSSID:
954 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
955 ret = wpa_get_bssid(pDevice, param);
956 wpa_ioctl = 1;
957 break;
958
959 case VIAWGET_SET_ASSOCIATE:
960 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
961 ret = wpa_set_associate(pDevice, param);
962 break;
963
964 case VIAWGET_SET_DISASSOCIATE:
965 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
966 ret = wpa_set_disassociate(pDevice, param);
967 break;
968
969 case VIAWGET_SET_DROP_UNENCRYPT:
970 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
971 break;
972
973 case VIAWGET_SET_DEAUTHENTICATE:
974 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
975 break;
976
977 default:
978 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
979 param->cmd);
980 return -EOPNOTSUPP;
981 break;
982 }
983
984 if ((ret == 0) && wpa_ioctl) {
985 if (copy_to_user(p->pointer, param, p->length)) {
986 ret = -EFAULT;
987 goto out;
988 }
989 }
990
991 out:
992 kfree(param);
993
994 return ret;
995 }
996
997