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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: July 28, 2006
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 "control.h"
42#include "rndis.h"
43#include "rf.h"
44
45/*---------------------  Static Definitions -------------------------*/
46
47#define VIAWGET_WPA_MAX_BUF_SIZE 1024
48
49
50
51static const int frequency_list[] = {
52	2412, 2417, 2422, 2427, 2432, 2437, 2442,
53	2447, 2452, 2457, 2462, 2467, 2472, 2484
54};
55/*---------------------  Static Classes  ----------------------------*/
56
57/*---------------------  Static Variables  --------------------------*/
58//static int          msglevel                =MSG_LEVEL_DEBUG;
59static int          msglevel                =MSG_LEVEL_INFO;
60
61/*---------------------  Static Functions  --------------------------*/
62
63
64
65
66/*---------------------  Export Variables  --------------------------*/
67static void wpadev_setup(struct net_device *dev)
68{
69	dev->type               = ARPHRD_IEEE80211;
70	dev->hard_header_len    = ETH_HLEN;
71	dev->mtu                = 2048;
72	dev->addr_len           = ETH_ALEN;
73	dev->tx_queue_len       = 1000;
74
75	memset(dev->broadcast,0xFF, ETH_ALEN);
76
77	dev->flags              = IFF_BROADCAST|IFF_MULTICAST;
78}
79
80/*
81 * Description:
82 *      register netdev for wpa supplicant deamon
83 *
84 * Parameters:
85 *  In:
86 *      pDevice             -
87 *      enable              -
88 *  Out:
89 *
90 * Return Value:
91 *
92 */
93
94static int wpa_init_wpadev(PSDevice pDevice)
95{
96    PSDevice wpadev_priv;
97	struct net_device *dev = pDevice->dev;
98         int ret=0;
99
100	pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
101	if (pDevice->wpadev == NULL)
102		return -ENOMEM;
103
104    wpadev_priv = netdev_priv(pDevice->wpadev);
105    *wpadev_priv = *pDevice;
106	memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, ETH_ALEN);
107         pDevice->wpadev->base_addr = dev->base_addr;
108	pDevice->wpadev->irq = dev->irq;
109	pDevice->wpadev->mem_start = dev->mem_start;
110	pDevice->wpadev->mem_end = dev->mem_end;
111	ret = register_netdev(pDevice->wpadev);
112	if (ret) {
113		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n",
114		       dev->name);
115		free_netdev(pDevice->wpadev);
116		return -1;
117	}
118
119	if (pDevice->skb == NULL) {
120        pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
121        if (pDevice->skb == NULL)
122		    return -ENOMEM;
123    }
124
125    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n",
126	       dev->name, pDevice->wpadev->name);
127
128	return 0;
129}
130
131
132/*
133 * Description:
134 *      unregister net_device (wpadev)
135 *
136 * Parameters:
137 *  In:
138 *      pDevice             -
139 *  Out:
140 *
141 * Return Value:
142 *
143 */
144
145static int wpa_release_wpadev(PSDevice pDevice)
146{
147    if (pDevice->skb) {
148        dev_kfree_skb(pDevice->skb);
149        pDevice->skb = NULL;
150    }
151
152    if (pDevice->wpadev) {
153        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
154	       pDevice->dev->name, pDevice->wpadev->name);
155	unregister_netdev(pDevice->wpadev);
156	free_netdev(pDevice->wpadev);
157         pDevice->wpadev = NULL;
158    }
159
160	return 0;
161}
162
163
164
165
166
167/*
168 * Description:
169 *      Set enable/disable dev for wpa supplicant deamon
170 *
171 * Parameters:
172 *  In:
173 *      pDevice             -
174 *      val                 -
175 *  Out:
176 *
177 * Return Value:
178 *
179 */
180
181int wpa_set_wpadev(PSDevice pDevice, int val)
182{
183	if (val)
184		return wpa_init_wpadev(pDevice);
185	else
186		return wpa_release_wpadev(pDevice);
187}
188
189/*
190 * Description:
191 *      Set WPA algorithm & keys
192 *
193 * Parameters:
194 *  In:
195 *      pDevice -
196 *      param -
197 *  Out:
198 *
199 * Return Value:
200 *
201 */
202
203 int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL  fcpfkernel)
204{
205    struct viawget_wpa_param *param=ctx;
206    PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
207    DWORD   dwKeyIndex = 0;
208    BYTE    abyKey[MAX_KEY_LEN];
209    BYTE    abySeq[MAX_KEY_LEN];
210    QWORD   KeyRSC;
211//    NDIS_802_11_KEY_RSC KeyRSC;
212    BYTE    byKeyDecMode = KEY_CTL_WEP;
213	int ret = 0;
214	int uu, ii;
215
216
217	if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
218		return -EINVAL;
219
220    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
221	if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
222        pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
223        pDevice->bEncryptionEnable = FALSE;
224        pDevice->byKeyIndex = 0;
225        pDevice->bTransmitKey = FALSE;
226        for (uu=0; uu<MAX_KEY_TABLE; uu++) {
227            MACvDisableKeyEntry(pDevice, 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	if (param->u.wpa_key.key &&
238	    copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)) {
239	    spin_lock_irq(&pDevice->lock);
240	    return -EINVAL;
241	}
242     }
243    spin_lock_irq(&pDevice->lock);
244
245    dwKeyIndex = (DWORD)(param->u.wpa_key.key_index);
246
247	if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
248        if (dwKeyIndex > 3) {
249            return -EINVAL;
250        }
251        else {
252            if (param->u.wpa_key.set_tx) {
253                pDevice->byKeyIndex = (BYTE)dwKeyIndex;
254                pDevice->bTransmitKey = TRUE;
255		        dwKeyIndex |= (1 << 31);
256            }
257            KeybSetDefaultKey(  pDevice,
258                                &(pDevice->sKey),
259                                dwKeyIndex & ~(BIT30 | USE_KEYRSC),
260                                param->u.wpa_key.key_len,
261                                NULL,
262                                abyKey,
263                                KEY_CTL_WEP
264                              );
265
266        }
267        pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
268        pDevice->bEncryptionEnable = TRUE;
269        return ret;
270	}
271
272    spin_unlock_irq(&pDevice->lock);
273        if(param->u.wpa_key.seq && fcpfkernel) {
274           memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
275        	}
276       else {
277	if (param->u.wpa_key.seq &&
278	    copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) {
279	    spin_lock_irq(&pDevice->lock);
280	    return -EINVAL;
281	}
282	}
283	spin_lock_irq(&pDevice->lock);
284
285	if (param->u.wpa_key.seq_len > 0) {
286		for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
287		     if (ii < 4)
288			    LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
289			 else
290			    HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
291	         //KeyRSC |= (abySeq[ii] << (ii * 8));
292		}
293		dwKeyIndex |= 1 << 29;
294	}
295
296    if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
297        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return  dwKeyIndex > 3\n");
298        return -EINVAL;
299    }
300
301	if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
302        pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
303    }
304
305	if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
306        pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
307    }
308
309	if (param->u.wpa_key.set_tx)
310		dwKeyIndex |= (1 << 31);
311
312
313    if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
314        byKeyDecMode = KEY_CTL_CCMP;
315    else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
316        byKeyDecMode = KEY_CTL_TKIP;
317    else
318        byKeyDecMode = KEY_CTL_WEP;
319
320    // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
321    if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
322        if (param->u.wpa_key.key_len == MAX_KEY_LEN)
323            byKeyDecMode = KEY_CTL_TKIP;
324        else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
325            byKeyDecMode = KEY_CTL_WEP;
326        else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
327            byKeyDecMode = KEY_CTL_WEP;
328    } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
329        if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
330            byKeyDecMode = KEY_CTL_WEP;
331        else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
332            byKeyDecMode = KEY_CTL_WEP;
333    }
334
335    // Check TKIP key length
336    if ((byKeyDecMode == KEY_CTL_TKIP) &&
337        (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
338        // TKIP Key must be 256 bits
339        //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
340        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
341        return -EINVAL;
342    }
343    // Check AES key length
344    if ((byKeyDecMode == KEY_CTL_CCMP) &&
345        (param->u.wpa_key.key_len != AES_KEY_LEN)) {
346        // AES Key must be 128 bits
347        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n");
348        return -EINVAL;
349    }
350
351    if (is_broadcast_ether_addr(&param->addr[0]) || (param->addr == NULL)) {
352	/* if broadcast, set the key as every key entry's group key */
353        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
354
355        if ((KeybSetAllGroupKey(pDevice,
356                            &(pDevice->sKey),
357                            dwKeyIndex,
358                            param->u.wpa_key.key_len,
359                            (PQWORD) &(KeyRSC),
360                            (PBYTE)abyKey,
361                            byKeyDecMode
362                            ) == TRUE) &&
363            (KeybSetDefaultKey(pDevice,
364                            &(pDevice->sKey),
365                            dwKeyIndex,
366                            param->u.wpa_key.key_len,
367                            (PQWORD) &(KeyRSC),
368                            (PBYTE)abyKey,
369                            byKeyDecMode
370                            ) == TRUE) ) {
371             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
372
373        } else {
374            //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
375            return -EINVAL;
376        }
377
378    } else {
379        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
380        // BSSID not 0xffffffffffff
381        // Pairwise Key can't be WEP
382        if (byKeyDecMode == KEY_CTL_WEP) {
383            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
384            return -EINVAL;
385        }
386
387        dwKeyIndex |= (1 << 30); // set pairwise key
388        if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
389            //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
390            return -EINVAL;
391        }
392        if (KeybSetKey(pDevice,
393                       &(pDevice->sKey),
394                       &param->addr[0],
395                       dwKeyIndex,
396                       param->u.wpa_key.key_len,
397                       (PQWORD) &(KeyRSC),
398                       (PBYTE)abyKey,
399                        byKeyDecMode
400                       ) == TRUE) {
401            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
402
403        } else {
404            // Key Table Full
405	    if (!compare_ether_addr(&param->addr[0], pDevice->abyBSSID)) {
406                //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
407                return -EINVAL;
408
409            } else {
410                // Save Key and configure just before associate/reassociate to BSSID
411                // we do not implement now
412                return -EINVAL;
413            }
414        }
415    } // BSSID not 0xffffffffffff
416    if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
417        pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
418        pDevice->bTransmitKey = TRUE;
419    }
420    pDevice->bEncryptionEnable = TRUE;
421
422/*
423    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
424               pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
425               pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
426               pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
427               pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
428               pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
429              );
430*/
431
432	return ret;
433
434}
435
436
437/*
438 * Description:
439 *      enable wpa auth & mode
440 *
441 * Parameters:
442 *  In:
443 *      pDevice   -
444 *      param     -
445 *  Out:
446 *
447 * Return Value:
448 *
449 */
450
451static int wpa_set_wpa(PSDevice pDevice,
452				     struct viawget_wpa_param *param)
453{
454
455    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
456	int ret = 0;
457
458    pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
459    pMgmt->bShareKeyAlgorithm = FALSE;
460
461    return ret;
462}
463
464
465
466
467 /*
468 * Description:
469 *      set disassociate
470 *
471 * Parameters:
472 *  In:
473 *      pDevice   -
474 *      param     -
475 *  Out:
476 *
477 * Return Value:
478 *
479 */
480
481static int wpa_set_disassociate(PSDevice pDevice,
482				     struct viawget_wpa_param *param)
483{
484    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
485	int ret = 0;
486
487    spin_lock_irq(&pDevice->lock);
488    if (pDevice->bLinkPass) {
489        if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
490		bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
491    }
492    spin_unlock_irq(&pDevice->lock);
493
494    return ret;
495}
496
497
498
499/*
500 * Description:
501 *      enable scan process
502 *
503 * Parameters:
504 *  In:
505 *      pDevice   -
506 *      param     -
507 *  Out:
508 *
509 * Return Value:
510 *
511 */
512
513static int wpa_set_scan(PSDevice pDevice,
514			struct viawget_wpa_param *param)
515{
516	int ret = 0;
517
518//2007-0919-01<Add>by MikeLiu
519/**set ap_scan=1&&scan_ssid=1 under hidden ssid mode**/
520        PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
521        PWLAN_IE_SSID       pItemSSID;
522printk("wpa_set_scan-->desired [ssid=%s,ssid_len=%d]\n",
523	     param->u.scan_req.ssid,param->u.scan_req.ssid_len);
524// Set the SSID
525memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
526pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
527pItemSSID->byElementID = WLAN_EID_SSID;
528memcpy(pItemSSID->abySSID, param->u.scan_req.ssid, param->u.scan_req.ssid_len);
529pItemSSID->len = param->u.scan_req.ssid_len;
530
531    spin_lock_irq(&pDevice->lock);
532    BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
533    /* bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); */
534    bScheduleCommand((void *) pDevice,
535		     WLAN_CMD_BSSID_SCAN,
536		     pMgmt->abyDesireSSID);
537    spin_unlock_irq(&pDevice->lock);
538
539    return ret;
540}
541
542
543
544/*
545 * Description:
546 *      get bssid
547 *
548 * Parameters:
549 *  In:
550 *      pDevice   -
551 *      param     -
552 *  Out:
553 *
554 * Return Value:
555 *
556 */
557
558static int wpa_get_bssid(PSDevice pDevice,
559				     struct viawget_wpa_param *param)
560{
561    PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
562	int ret = 0;
563	memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
564
565    return ret;
566
567}
568
569
570/*
571 * Description:
572 *      get bssid
573 *
574 * Parameters:
575 *  In:
576 *      pDevice   -
577 *      param     -
578 *  Out:
579 *
580 * Return Value:
581 *
582 */
583
584static int wpa_get_ssid(PSDevice pDevice,
585				     struct viawget_wpa_param *param)
586{
587    PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
588	PWLAN_IE_SSID       pItemSSID;
589	int ret = 0;
590
591    pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
592
593	memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
594	param->u.wpa_associate.ssid_len = pItemSSID->len;
595
596    return ret;
597}
598
599
600
601/*
602 * Description:
603 *      get scan results
604 *
605 * Parameters:
606 *  In:
607 *      pDevice   -
608 *      param     -
609 *  Out:
610 *
611 * Return Value:
612 *
613 */
614
615static int wpa_get_scan(PSDevice pDevice,
616				     struct viawget_wpa_param *param)
617{
618	struct viawget_scan_result *scan_buf;
619    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
620    PWLAN_IE_SSID   pItemSSID;
621    PKnownBSS pBSS;
622	PBYTE  pBuf;
623	int ret = 0;
624	u16 count = 0;
625	u16 ii, jj;
626	long ldBm;//James //add
627
628//******mike:bubble sort by stronger RSSI*****//
629
630    PBYTE ptempBSS;
631
632
633
634    ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
635
636    if (ptempBSS == NULL) {
637
638       printk("bubble sort kmalloc memory fail@@@\n");
639
640        ret = -ENOMEM;
641
642        return ret;
643
644    }
645
646    for (ii = 0; ii < MAX_BSS_NUM; ii++) {
647
648	for (jj = 0; jj < MAX_BSS_NUM - ii - 1; jj++) {
649
650		if ((pMgmt->sBSSList[jj].bActive != TRUE) ||
651
652                ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) {
653
654                 memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
655
656                 memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
657
658                 memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
659
660              }
661
662         }
663
664    };
665
666  kfree(ptempBSS);
667
668 // printk("bubble sort result:\n");
669
670	count = 0;
671	pBSS = &(pMgmt->sBSSList[0]);
672    for (ii = 0; ii < MAX_BSS_NUM; ii++) {
673        pBSS = &(pMgmt->sBSSList[ii]);
674        if (!pBSS->bActive)
675            continue;
676        count++;
677    };
678
679    pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC);
680
681    if (pBuf == NULL) {
682        ret = -ENOMEM;
683        return ret;
684    }
685    scan_buf = (struct viawget_scan_result *)pBuf;
686	pBSS = &(pMgmt->sBSSList[0]);
687    for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
688        pBSS = &(pMgmt->sBSSList[ii]);
689        if (pBSS->bActive) {
690            if (jj >= count)
691                break;
692            memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
693            pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
694   		    memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
695   		    scan_buf->ssid_len = pItemSSID->len;
696            scan_buf->freq = frequency_list[pBSS->uChannel-1];
697            scan_buf->caps = pBSS->wCapInfo;    //DavidWang for sharemode
698//20080717-05,<Add> by James Li
699	        RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
700			if(-ldBm<50){
701				scan_buf->qual = 100;
702			}else  if(-ldBm > 90) {
703				 scan_buf->qual = 0;
704			}else {
705				scan_buf->qual=(40-(-ldBm-50))*100/40;
706			}
707
708			//James
709            //scan_buf->caps = pBSS->wCapInfo;
710            //scan_buf->qual =
711            scan_buf->noise = 0;
712            scan_buf->level = ldBm;
713 //20080717-05,<Add> by James Li--End
714            //scan_buf->maxrate =
715            if (pBSS->wWPALen != 0) {
716                scan_buf->wpa_ie_len = pBSS->wWPALen;
717                memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
718            }
719            if (pBSS->wRSNLen != 0) {
720                scan_buf->rsn_ie_len = pBSS->wRSNLen;
721                memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
722            }
723            scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result));
724            jj ++;
725        }
726    }
727
728    if (jj < count)
729        count = jj;
730
731    if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
732		ret = -EFAULT;
733	};
734	param->u.scan_results.scan_count = count;
735    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
736
737    kfree(pBuf);
738    return ret;
739}
740
741
742
743/*
744 * Description:
745 *      set associate with AP
746 *
747 * Parameters:
748 *  In:
749 *      pDevice   -
750 *      param     -
751 *  Out:
752 *
753 * Return Value:
754 *
755 */
756
757static int wpa_set_associate(PSDevice pDevice,
758				     struct viawget_wpa_param *param)
759{
760    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
761    PWLAN_IE_SSID   pItemSSID;
762    BYTE    abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
763    BYTE    abyWPAIE[64];
764    int ret = 0;
765    BOOL   bwepEnabled=FALSE;
766
767	// set key type & algorithm
768    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
769    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
770    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
771    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
772    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
773    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
774    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming dBm = %d\n", param->u.wpa_associate.roam_dbm);  //Davidwang
775
776	if (param->u.wpa_associate.wpa_ie &&
777	    copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len))
778	    return -EINVAL;
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
785	// set bssid
786    if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
787        memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
788    // set ssid
789	memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
790    pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
791    pItemSSID->byElementID = WLAN_EID_SSID;
792	pItemSSID->len = param->u.wpa_associate.ssid_len;
793	memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
794
795    if (param->u.wpa_associate.wpa_ie_len == 0) {
796	    if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY)
797            pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
798	    else
799            pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
800	} else if (abyWPAIE[0] == RSN_INFO_ELEM) {
801		if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
802			pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
803		else
804			pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
805	} else {
806		if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE)
807			pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
808		else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
809		    pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
810		else
811		    pMgmt->eAuthenMode = WMAC_AUTH_WPA;
812	}
813
814	switch (param->u.wpa_associate.pairwise_suite) {
815	case CIPHER_CCMP:
816		pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
817		break;
818	case CIPHER_TKIP:
819		pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
820		break;
821	case CIPHER_WEP40:
822	case CIPHER_WEP104:
823		pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
824		bwepEnabled = TRUE;
825	//	printk("****************wpa_set_associate:set CIPHER_WEP40_104\n");
826		break;
827	case CIPHER_NONE:
828		if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
829			pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
830		else
831			pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
832		break;
833	default:
834		pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
835	};
836
837           pMgmt->Roam_dbm = param->u.wpa_associate.roam_dbm;
838         // if ((pMgmt->Roam_dbm > 40)&&(pMgmt->Roam_dbm<80))
839         //    pDevice->bEnableRoaming = TRUE;
840
841	    if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {   //@wep-sharekey
842            pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
843            pMgmt->bShareKeyAlgorithm = TRUE;
844             }
845	    else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
846	       if(bwepEnabled==TRUE) {                                                         //@open-wep
847                       pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
848	   	}
849	      else {                                                                                                 //@only open
850            pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
851	   	}
852           }
853//mike save old encryption status
854	pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
855
856    if (pDevice->eEncryptionStatus !=  Ndis802_11EncryptionDisabled)
857        pDevice->bEncryptionEnable = TRUE;
858    else
859        pDevice->bEncryptionEnable = FALSE;
860
861 if ((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
862      ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bwepEnabled==TRUE)))  {
863 //mike re-comment:open-wep && sharekey-wep needn't do initial key!!
864
865     }
866 else
867    KeyvInitTable(pDevice,&pDevice->sKey);
868
869    spin_lock_irq(&pDevice->lock);
870    pDevice->bLinkPass = FALSE;
871    ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
872    memset(pMgmt->abyCurrBSSID, 0, 6);
873    pMgmt->eCurrState = WMAC_STATE_IDLE;
874    netif_stop_queue(pDevice->dev);
875
876//20080701-02,<Add> by Mike Liu
877/*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
878{
879   PKnownBSS       pCurr = NULL;
880    pCurr = BSSpSearchBSSList(pDevice,
881                              pMgmt->abyDesireBSSID,
882                              pMgmt->abyDesireSSID,
883                              pDevice->eConfigPHYMode
884                              );
885
886    if (pCurr == NULL){
887    printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
888    bScheduleCommand((void *) pDevice,
889		     WLAN_CMD_BSSID_SCAN,
890		     pMgmt->abyDesireSSID);
891  };
892}
893/****************************************************************/
894
895    bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
896    spin_unlock_irq(&pDevice->lock);
897
898    return ret;
899}
900
901
902/*
903 * Description:
904 *      wpa_ioctl main function supported for wpa supplicant
905 *
906 * Parameters:
907 *  In:
908 *      pDevice   -
909 *      iw_point  -
910 *  Out:
911 *
912 * Return Value:
913 *
914 */
915
916int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
917{
918	struct viawget_wpa_param *param;
919	int ret = 0;
920	int wpa_ioctl = 0;
921
922	if (p->length < sizeof(struct viawget_wpa_param) ||
923	    p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
924		return -EINVAL;
925
926	param = kmalloc((int)p->length, (int)GFP_KERNEL);
927	if (param == NULL)
928		return -ENOMEM;
929
930	if (copy_from_user(param, p->pointer, p->length)) {
931		ret = -EFAULT;
932		goto out;
933	}
934
935	switch (param->cmd) {
936	case VIAWGET_SET_WPA:
937        ret = wpa_set_wpa(pDevice, param);
938	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
939		break;
940
941	case VIAWGET_SET_KEY:
942	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
943	    spin_lock_irq(&pDevice->lock);
944        ret = wpa_set_keys(pDevice, param, FALSE);
945        spin_unlock_irq(&pDevice->lock);
946		break;
947
948	case VIAWGET_SET_SCAN:
949	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
950        ret = wpa_set_scan(pDevice, param);
951		break;
952
953	case VIAWGET_GET_SCAN:
954	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
955        ret = wpa_get_scan(pDevice, param);
956		wpa_ioctl = 1;
957		break;
958
959	case VIAWGET_GET_SSID:
960	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
961        ret = wpa_get_ssid(pDevice, param);
962		wpa_ioctl = 1;
963		break;
964
965	case VIAWGET_GET_BSSID:
966	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
967        ret = wpa_get_bssid(pDevice, param);
968		wpa_ioctl = 1;
969		break;
970
971	case VIAWGET_SET_ASSOCIATE:
972	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
973        ret = wpa_set_associate(pDevice, param);
974		break;
975
976	case VIAWGET_SET_DISASSOCIATE:
977	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
978        ret = wpa_set_disassociate(pDevice, param);
979		break;
980
981	case VIAWGET_SET_DROP_UNENCRYPT:
982	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
983		break;
984
985    case VIAWGET_SET_DEAUTHENTICATE:
986	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
987		break;
988
989	default:
990	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
991		       param->cmd);
992		return -EOPNOTSUPP;
993		break;
994	}
995
996	if ((ret == 0) && wpa_ioctl) {
997		if (copy_to_user(p->pointer, param, p->length)) {
998			ret = -EFAULT;
999			goto out;
1000		}
1001	}
1002
1003out:
1004	if (param != NULL)
1005		kfree(param);
1006
1007	return ret;
1008}
1009