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Staging: udlfb: fix coding style issues
[net-next-2.6.git] / drivers / staging / vt6655 / wpactl.c
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5449c685
FB		 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 *
612822f5 19 *
5449c685
FB		 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
5449c685 34#include "wpactl.h"
5449c685 35#include "key.h"
5449c685 36#include "mac.h"
5449c685 37#include "device.h"
5449c685 38#include "wmgr.h"
5449c685 39#include "iocmd.h"
5449c685 40#include "iowpa.h"
5449c685 41#include "rf.h"
5449c685
FB		 42
43/*--------------------- Static Definitions -------------------------*/
44
45#define VIAWGET_WPA_MAX_BUF_SIZE 1024
46
47
48
49static 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;
57static int msglevel =MSG_LEVEL_INFO;
58
59/*--------------------- Static Functions --------------------------*/
60
61
62
63
64/*--------------------- Export Variables --------------------------*/
5449c685
FB		 65static 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
5449c685
FB		 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
92static int wpa_init_wpadev(PSDevice pDevice)
93{
c9d03529 94 PSDevice wpadev_priv;
5449c685
FB		 95 struct net_device *dev = pDevice->dev;
96 int ret=0;
97
c9d03529 98 pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
5449c685
FB		 99 if (pDevice->wpadev == NULL)
100 return -ENOMEM;
101
c9d03529
FB		 102 wpadev_priv = netdev_priv(pDevice->wpadev);
103 *wpadev_priv = *pDevice;
5449c685
FB		 104 memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN);
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) {
7e809a9b 111 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n",
5449c685
FB		 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
7e809a9b 123 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n",
5449c685
FB		 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
143static int wpa_release_wpadev(PSDevice pDevice)
144{
5449c685
FB		 145 if (pDevice->skb) {
146 dev_kfree_skb(pDevice->skb);
147 pDevice->skb = NULL;
148 }
149
150 if (pDevice->wpadev) {
7e809a9b 151 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
5449c685
FB		 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
179int wpa_set_wpadev(PSDevice pDevice, int val)
180{
5449c685
FB		 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
612822f5 202 int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL fcpfkernel)
5449c685 203{
612822f5 204 struct viawget_wpa_param *param=ctx;
5449c685
FB		 205 PSMgmtObject pMgmt = pDevice->pMgmt;
206 DWORD dwKeyIndex = 0;
207 BYTE abyKey[MAX_KEY_LEN];
208 BYTE abySeq[MAX_KEY_LEN];
209 QWORD KeyRSC;
210// NDIS_802_11_KEY_RSC KeyRSC;
211 BYTE 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 return -EINVAL;
218
7e809a9b 219 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
5449c685
FB		 220 if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
221 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
222 pDevice->bEncryptionEnable = FALSE;
223 pDevice->byKeyIndex = 0;
224 pDevice->bTransmitKey = FALSE;
225 KeyvRemoveAllWEPKey(&(pDevice->sKey), pDevice->PortOffset);
226 for (uu=0; uu<MAX_KEY_TABLE; uu++) {
227 MACvDisableKeyEntry(pDevice->PortOffset, uu);
228 }
229 return ret;
230 }
231
232 //spin_unlock_irq(&pDevice->lock);
233 if(param->u.wpa_key.key && fcpfkernel) {
234 memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
235 }
236 else {
237 spin_unlock_irq(&pDevice->lock);
238 if (param->u.wpa_key.key &&
612822f5
JL		 239 copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)) {
240 spin_lock_irq(&pDevice->lock);
5449c685
FB		 241 return -EINVAL;
242 }
243spin_lock_irq(&pDevice->lock);
244 }
245
246 dwKeyIndex = (DWORD)(param->u.wpa_key.key_index);
247
248 if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
249 if (dwKeyIndex > 3) {
250 return -EINVAL;
251 }
252 else {
253 if (param->u.wpa_key.set_tx) {
254 pDevice->byKeyIndex = (BYTE)dwKeyIndex;
255 pDevice->bTransmitKey = TRUE;
256 dwKeyIndex |= (1 << 31);
257 }
258 KeybSetDefaultKey(&(pDevice->sKey),
259 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
260 param->u.wpa_key.key_len,
261 NULL,
262 abyKey,
263 KEY_CTL_WEP,
264 pDevice->PortOffset,
265 pDevice->byLocalID);
266
267 }
268 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
269 pDevice->bEncryptionEnable = TRUE;
270 return ret;
271 }
272
273 //spin_unlock_irq(&pDevice->lock);
274 if(param->u.wpa_key.seq && fcpfkernel) {
275 memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
276 }
277 else {
278 spin_unlock_irq(&pDevice->lock);
279 if (param->u.wpa_key.seq &&
612822f5
JL		 280 copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) {
281 spin_lock_irq(&pDevice->lock);
5449c685
FB		 282 return -EINVAL;
283 }
284spin_lock_irq(&pDevice->lock);
285}
286
287 if (param->u.wpa_key.seq_len > 0) {
288 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
289 if (ii < 4)
290 LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
291 else
292 HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
293 //KeyRSC |= (abySeq[ii] << (ii * 8));
294 }
295 dwKeyIndex |= 1 << 29;
296 }
297
298 if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
7e809a9b 299 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n");
5449c685
FB		 300 return -EINVAL;
301 }
302
303 if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
304 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
305 }
306
307 if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
308 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
309 }
310
311 if (param->u.wpa_key.set_tx)
312 dwKeyIndex |= (1 << 31);
313
612822f5 314
5449c685
FB		 315 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
316 byKeyDecMode = KEY_CTL_CCMP;
317 else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
318 byKeyDecMode = KEY_CTL_TKIP;
319 else
320 byKeyDecMode = KEY_CTL_WEP;
321
322 // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
323 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
324 if (param->u.wpa_key.key_len == MAX_KEY_LEN)
325 byKeyDecMode = KEY_CTL_TKIP;
326 else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
327 byKeyDecMode = KEY_CTL_WEP;
328 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
329 byKeyDecMode = KEY_CTL_WEP;
330 } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
331 if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
332 byKeyDecMode = KEY_CTL_WEP;
333 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
334 byKeyDecMode = KEY_CTL_WEP;
335 }
336
5449c685
FB		 337 // Check TKIP key length
338 if ((byKeyDecMode == KEY_CTL_TKIP) &&
339 (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
340 // TKIP Key must be 256 bits
341 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
7e809a9b 342 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
5449c685
FB		 343 return -EINVAL;
344 }
345 // Check AES key length
346 if ((byKeyDecMode == KEY_CTL_CCMP) &&
347 (param->u.wpa_key.key_len != AES_KEY_LEN)) {
348 // AES Key must be 128 bits
349 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - AES Key must be 128 bits\n"));
350 return -EINVAL;
351 }
352
353 // spin_lock_irq(&pDevice->lock);
354 if (IS_BROADCAST_ADDRESS(&param->addr[0]) || (param->addr == NULL)) {
355 // If IS_BROADCAST_ADDRESS, set the key as every key entry's group key.
7e809a9b 356 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
5449c685
FB		 357
358 if ((KeybSetAllGroupKey(&(pDevice->sKey),
359 dwKeyIndex,
360 param->u.wpa_key.key_len,
361 (PQWORD) &(KeyRSC),
362 (PBYTE)abyKey,
363 byKeyDecMode,
364 pDevice->PortOffset,
365 pDevice->byLocalID) == TRUE) &&
366 (KeybSetDefaultKey(&(pDevice->sKey),
367 dwKeyIndex,
368 param->u.wpa_key.key_len,
369 (PQWORD) &(KeyRSC),
370 (PBYTE)abyKey,
371 byKeyDecMode,
372 pDevice->PortOffset,
373 pDevice->byLocalID) == TRUE) ) {
7e809a9b 374 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
5449c685
FB		 375
376 } else {
377 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
378 // spin_unlock_irq(&pDevice->lock);
379 return -EINVAL;
380 }
381
382 } else {
7e809a9b 383 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
5449c685
FB		 384 // BSSID not 0xffffffffffff
385 // Pairwise Key can't be WEP
386 if (byKeyDecMode == KEY_CTL_WEP) {
7e809a9b 387 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
5449c685
FB		 388 //spin_unlock_irq(&pDevice->lock);
389 return -EINVAL;
390 }
391
392 dwKeyIndex |= (1 << 30); // set pairwise key
393 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
394 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
395 //spin_unlock_irq(&pDevice->lock);
396 return -EINVAL;
397 }
398 if (KeybSetKey(&(pDevice->sKey),
399 &param->addr[0],
400 dwKeyIndex,
401 param->u.wpa_key.key_len,
402 (PQWORD) &(KeyRSC),
403 (PBYTE)abyKey,
404 byKeyDecMode,
405 pDevice->PortOffset,
406 pDevice->byLocalID) == TRUE) {
7e809a9b 407 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
5449c685
FB		 408
409 } else {
410 // Key Table Full
411 if (IS_ETH_ADDRESS_EQUAL(&param->addr[0], pDevice->abyBSSID)) {
412 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
413 //spin_unlock_irq(&pDevice->lock);
414 return -EINVAL;
415
416 } else {
417 // Save Key and configure just before associate/reassociate to BSSID
418 // we do not implement now
419 //spin_unlock_irq(&pDevice->lock);
420 return -EINVAL;
421 }
422 }
423 } // BSSID not 0xffffffffffff
424 if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
425 pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
426 pDevice->bTransmitKey = TRUE;
427 }
428 pDevice->bEncryptionEnable = TRUE;
429 //spin_unlock_irq(&pDevice->lock);
430
431/*
7e809a9b 432 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
5449c685
FB		 433 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
434 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
435 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
436 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
437 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
438 );
439*/
440
441 return ret;
442
443}
444
445
446/*
447 * Description:
448 * enable wpa auth & mode
449 *
450 * Parameters:
451 * In:
452 * pDevice -
453 * param -
454 * Out:
455 *
456 * Return Value:
457 *
458 */
459
460static int wpa_set_wpa(PSDevice pDevice,
461 struct viawget_wpa_param *param)
462{
463
464 PSMgmtObject pMgmt = pDevice->pMgmt;
465 int ret = 0;
466
467 pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
468 pMgmt->bShareKeyAlgorithm = FALSE;
469
470 return ret;
471}
472
473
474
475
476 /*
477 * Description:
478 * set disassociate
479 *
480 * Parameters:
481 * In:
482 * pDevice -
483 * param -
484 * Out:
485 *
486 * Return Value:
487 *
488 */
489
490static int wpa_set_disassociate(PSDevice pDevice,
491 struct viawget_wpa_param *param)
492{
493 PSMgmtObject pMgmt = pDevice->pMgmt;
494 int ret = 0;
495
496 spin_lock_irq(&pDevice->lock);
497 if (pDevice->bLinkPass) {
498 if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
e64354c0 499 bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
5449c685
FB		 500 }
501 spin_unlock_irq(&pDevice->lock);
502
503 return ret;
504}
505
506
507
508/*
509 * Description:
510 * enable scan process
511 *
512 * Parameters:
513 * In:
514 * pDevice -
515 * param -
516 * Out:
517 *
518 * Return Value:
519 *
520 */
521
522static int wpa_set_scan(PSDevice pDevice,
523 struct viawget_wpa_param *param)
524{
525 int ret = 0;
526
527 spin_lock_irq(&pDevice->lock);
e64354c0
CC		 528 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
529 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
5449c685
FB		 530 spin_unlock_irq(&pDevice->lock);
531
532 return ret;
533}
534
535
536
537/*
538 * Description:
539 * get bssid
540 *
541 * Parameters:
542 * In:
543 * pDevice -
544 * param -
545 * Out:
546 *
547 * Return Value:
548 *
549 */
550
551static int wpa_get_bssid(PSDevice pDevice,
552 struct viawget_wpa_param *param)
553{
554 PSMgmtObject pMgmt = pDevice->pMgmt;
555 int ret = 0;
556
557 memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
558
559 return ret;
560
561}
562
563
564/*
565 * Description:
566 * get bssid
567 *
568 * Parameters:
569 * In:
570 * pDevice -
571 * param -
572 * Out:
573 *
574 * Return Value:
575 *
576 */
577
578static int wpa_get_ssid(PSDevice pDevice,
579 struct viawget_wpa_param *param)
580{
581 PSMgmtObject pMgmt = pDevice->pMgmt;
582 PWLAN_IE_SSID pItemSSID;
583 int ret = 0;
584
585 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
586
587 memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
588 param->u.wpa_associate.ssid_len = pItemSSID->len;
589
590 return ret;
591}
592
593
594
595/*
596 * Description:
597 * get scan results
598 *
599 * Parameters:
600 * In:
601 * pDevice -
602 * param -
603 * Out:
604 *
605 * Return Value:
606 *
607 */
608
609static int wpa_get_scan(PSDevice pDevice,
610 struct viawget_wpa_param *param)
611{
612 struct viawget_scan_result *scan_buf;
613 PSMgmtObject pMgmt = pDevice->pMgmt;
614 PWLAN_IE_SSID pItemSSID;
615 PKnownBSS pBSS;
616 PBYTE pBuf;
617 int ret = 0;
618 u16 count = 0;
619 u16 ii, jj;
620#if 1
621
622 PBYTE ptempBSS;
623
624
625
626 ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
627
628 if (ptempBSS == NULL) {
629
630 printk("bubble sort kmalloc memory fail@@@\n");
631
632 ret = -ENOMEM;
633
634 return ret;
635
636 }
637
638 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
639
640 for(jj=0;jj<MAX_BSS_NUM-ii-1;jj++) {
641
642 if((pMgmt->sBSSList[jj].bActive!=TRUE) ||
643
644 ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) {
645
646 memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
647
648 memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
649
650 memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
651
652 }
653
654 }
655
656 };
657
658 kfree(ptempBSS);
659
660 // printk("bubble sort result:\n");
661
662 //for (ii = 0; ii < MAX_BSS_NUM; ii++)
663
664 // printk("%d [%s]:RSSI=%d\n",ii,((PWLAN_IE_SSID)(pMgmt->sBSSList[ii].abySSID))->abySSID,
665
666 // pMgmt->sBSSList[ii].uRSSI);
667
668 #endif
669
670//******mike:bubble sort by stronger RSSI*****//
671
672
673
674
675 count = 0;
676 pBSS = &(pMgmt->sBSSList[0]);
677 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
678 pBSS = &(pMgmt->sBSSList[ii]);
679 if (!pBSS->bActive)
680 continue;
681 count++;
682 };
683
684 pBuf = kmalloc(sizeof(struct viawget_scan_result) * count, (int)GFP_ATOMIC);
685
686 if (pBuf == NULL) {
687 ret = -ENOMEM;
688 return ret;
689 }
690 memset(pBuf, 0, sizeof(struct viawget_scan_result) * count);
691 scan_buf = (struct viawget_scan_result *)pBuf;
692 pBSS = &(pMgmt->sBSSList[0]);
693 for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
694 pBSS = &(pMgmt->sBSSList[ii]);
695 if (pBSS->bActive) {
696 if (jj >= count)
697 break;
698 memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
699 pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
700 memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
701 scan_buf->ssid_len = pItemSSID->len;
702 scan_buf->freq = frequency_list[pBSS->uChannel-1];
703 scan_buf->caps = pBSS->wCapInfo;
704 //scan_buf->caps = pBSS->wCapInfo;
705 //scan_buf->qual =
706 //scan_buf->noise =
707 //scan_buf->level =
708 //scan_buf->maxrate =
709 if (pBSS->wWPALen != 0) {
710 scan_buf->wpa_ie_len = pBSS->wWPALen;
711 memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
712 }
713 if (pBSS->wRSNLen != 0) {
714 scan_buf->rsn_ie_len = pBSS->wRSNLen;
715 memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
716 }
717 scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result));
718 jj ++;
719 }
720 }
721
722 if (jj < count)
723 count = jj;
724
725 if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
726 ret = -EFAULT;
727 };
728 param->u.scan_results.scan_count = count;
7e809a9b 729 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
5449c685
FB		 730
731 kfree(pBuf);
732 return ret;
733}
734
735
736
737/*
738 * Description:
739 * set associate with AP
740 *
741 * Parameters:
742 * In:
743 * pDevice -
744 * param -
745 * Out:
746 *
747 * Return Value:
748 *
749 */
750
751static int wpa_set_associate(PSDevice pDevice,
752 struct viawget_wpa_param *param)
753{
754 PSMgmtObject pMgmt = pDevice->pMgmt;
755 PWLAN_IE_SSID pItemSSID;
756 BYTE abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
757 BYTE abyWPAIE[64];
758 int ret = 0;
759 BOOL bWepEnabled=FALSE;
760
761 // set key type & algorithm
7e809a9b
JL		 762 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
763 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
764 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
765 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
766 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
767 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
5449c685
FB		 768
769
770 if (param->u.wpa_associate.wpa_ie &&
771 copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len))
772 return -EINVAL;
773
774 if (param->u.wpa_associate.mode == 1)
775 pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
776 else
777 pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
778 // set ssid
779 memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
780 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
781 pItemSSID->byElementID = WLAN_EID_SSID;
782 pItemSSID->len = param->u.wpa_associate.ssid_len;
783 memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
784 // set bssid
785 if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
786 memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
787else
788{
e64354c0 789 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID);
5449c685
FB		 790}
791
792 if (param->u.wpa_associate.wpa_ie_len == 0) {
793 if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY)
794 pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
795 else
796 pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
797 } else if (abyWPAIE[0] == RSN_INFO_ELEM) {
798 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
799 pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
800 else
801 pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
802 } else {
803 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE)
804 pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
805 else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
806 pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
807 else
808 pMgmt->eAuthenMode = WMAC_AUTH_WPA;
809 }
810
811 switch (param->u.wpa_associate.pairwise_suite) {
812 case CIPHER_CCMP:
813 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
814 break;
815 case CIPHER_TKIP:
816 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
817 break;
818 case CIPHER_WEP40:
819 case CIPHER_WEP104:
820 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
821 bWepEnabled=TRUE;
822 break;
823 case CIPHER_NONE:
824 if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
825 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
826 else
827 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
828 break;
829 default:
830 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
831 };
832
833//DavidWang add for WPA_supplicant support open/share mode
834
835 if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {
836 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
837 //pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
838 pMgmt->bShareKeyAlgorithm = TRUE;
839 }
840 else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
841 if(!bWepEnabled) pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
842 else pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
843 //pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
844 //pMgmt->bShareKeyAlgorithm = FALSE; //20080717-06,<Modify> by chester//Fix Open mode, WEP encrytion
845 }
846//mike save old encryption status
847 pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
848
849 if (pDevice->eEncryptionStatus != Ndis802_11EncryptionDisabled)
850 pDevice->bEncryptionEnable = TRUE;
851 else
852 pDevice->bEncryptionEnable = FALSE;
853if (!((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
854 ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bWepEnabled==TRUE))) ) //DavidWang //20080717-06,<Modify> by chester//Not to initial WEP
855 KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
856 spin_lock_irq(&pDevice->lock);
857 pDevice->bLinkPass = FALSE;
858 memset(pMgmt->abyCurrBSSID, 0, 6);
859 pMgmt->eCurrState = WMAC_STATE_IDLE;
860 netif_stop_queue(pDevice->dev);
861 //20080701-02,<Add> by Mike Liu
862/*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
863{
864 PKnownBSS pCurr = NULL;
865 pCurr = BSSpSearchBSSList(pDevice,
866 pMgmt->abyDesireBSSID,
867 pMgmt->abyDesireSSID,
868 pMgmt->eConfigPHYMode
869 );
870
871 if (pCurr == NULL){
872 printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
e64354c0 873 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
5449c685
FB		 874 };
875}
876/****************************************************************/
e64354c0 877 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
5449c685
FB		 878 spin_unlock_irq(&pDevice->lock);
879
880 return ret;
881}
882
883
884/*
885 * Description:
886 * wpa_ioctl main function supported for wpa supplicant
887 *
888 * Parameters:
889 * In:
890 * pDevice -
891 * iw_point -
892 * Out:
893 *
894 * Return Value:
895 *
896 */
897
898int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
899{
900 struct viawget_wpa_param *param;
901 int ret = 0;
902 int wpa_ioctl = 0;
903
904 if (p->length < sizeof(struct viawget_wpa_param) ||
905 p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
906 return -EINVAL;
907
32414878 908 param = kmalloc((int)p->length, (int)GFP_KERNEL);
5449c685
FB		 909 if (param == NULL)
910 return -ENOMEM;
911
912 if (copy_from_user(param, p->pointer, p->length)) {
913 ret = -EFAULT;
914 goto out;
915 }
916
917 switch (param->cmd) {
918 case VIAWGET_SET_WPA:
919 ret = wpa_set_wpa(pDevice, param);
7e809a9b 920 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
5449c685
FB		 921 break;
922
923 case VIAWGET_SET_KEY:
7e809a9b 924 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
5449c685
FB		 925 spin_lock_irq(&pDevice->lock);
926 ret = wpa_set_keys(pDevice, param, FALSE);
927 spin_unlock_irq(&pDevice->lock);
928 break;
929
930 case VIAWGET_SET_SCAN:
7e809a9b 931 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
5449c685
FB		 932 ret = wpa_set_scan(pDevice, param);
933 break;
934
935 case VIAWGET_GET_SCAN:
7e809a9b 936 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
5449c685
FB		 937 ret = wpa_get_scan(pDevice, param);
938 wpa_ioctl = 1;
939 break;
940
941 case VIAWGET_GET_SSID:
7e809a9b 942 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
5449c685
FB		 943 ret = wpa_get_ssid(pDevice, param);
944 wpa_ioctl = 1;
945 break;
946
947 case VIAWGET_GET_BSSID:
7e809a9b 948 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
5449c685
FB		 949 ret = wpa_get_bssid(pDevice, param);
950 wpa_ioctl = 1;
951 break;
952
953 case VIAWGET_SET_ASSOCIATE:
7e809a9b 954 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
5449c685
FB		 955 ret = wpa_set_associate(pDevice, param);
956 break;
957
958 case VIAWGET_SET_DISASSOCIATE:
7e809a9b 959 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
5449c685
FB		 960 ret = wpa_set_disassociate(pDevice, param);
961 break;
962
963 case VIAWGET_SET_DROP_UNENCRYPT:
7e809a9b 964 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
5449c685
FB		 965 break;
966
967 case VIAWGET_SET_DEAUTHENTICATE:
7e809a9b 968 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
5449c685
FB		 969 break;
970
971 default:
7e809a9b 972 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
5449c685
FB		 973 param->cmd);
974 return -EOPNOTSUPP;
975 break;
976 }
977
978 if ((ret == 0) && wpa_ioctl) {
979 if (copy_to_user(p->pointer, param, p->length)) {
980 ret = -EFAULT;
981 goto out;
982 }
983 }
984
985out:
986 if (param != NULL)
987 kfree(param);
988
989 return ret;
990}
991
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