vntwifi.c

VIA VT6655 x86下的Linux Source Code

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This software is copyrighted by and is the sole property of
 * VIA Networking Technologies, Inc. This software may only be used
 * in accordance with the corresponding license agreement. Any unauthorized
 * use, duplication, transmission, distribution, or disclosure of this
 * software is expressly forbidden.
 *
 * This software is provided by VIA Networking Technologies, Inc. "as is"
 * and any express or implied warranties, including, but not limited to, the
 * implied warranties of merchantability and fitness for a particular purpose
 * are disclaimed. In no event shall VIA Networking Technologies, Inc.
 * be liable for any direct, indirect, incidental, special, exemplary, or
 * consequential damages.
 *
 *
 * File: vntwifi.c
 *
 * Purpose: export functions for vntwifi lib
 *
 * Functions:
 *
 * Revision History:
 *
 * Author: Yiching Chen
 *
 * Date: feb. 2, 2005
 *
 */

#if !defined(__VNTWIFI_H__)
#include "vntwifi.h"
#endif
#if !defined(__UMEM_H__)
#include "umem.h"
#endif
#if !defined(__WMGR_H__)
#include "wmgr.h"
#endif
#if !defined(__DATARATE_H__)
#include "datarate.h"
#endif
#if !defined(__TBIT_H__)
#include "tbit.h"
#endif
#if !defined(__IEEE11h_H__)
#include "IEEE11h.h"
#endif
#if !defined(__COUNTRY_H__)
#include "country.h"
#endif
#if !defined(__DEVICE_H__)
#include "device.h"
#endif


/*---------------------  Static Definitions -------------------------*/
//static int          msglevel                =MSG_LEVEL_DEBUG;
//static int          msglevel                =MSG_LEVEL_INFO;

/*---------------------  Static Classes  ----------------------------*/

/*---------------------  Static Variables  --------------------------*/

/*---------------------  Static Functions  --------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/

/*+
 *
 * Description:
 *    Set Operation Mode
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *      eOPMode     - Opreation Mode
 *  Out:
 *      none
 *
 * Return Value: none
 *
-*/
VOID
VNTWIFIvSetOPMode (
    IN PVOID pMgmtHandle,
    IN WMAC_CONFIG_MODE eOPMode
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;

    pMgmt->eConfigMode = eOPMode;
}


/*+
 *
 * Description:
 *    Set Operation Mode
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *      wBeaconPeriod - Beacon Period
 *      wATIMWindow - ATIM window
 *      uChannel - channel number
 *  Out:
 *      none
 *
 * Return Value: none
 *
-*/
VOID
VNTWIFIvSetIBSSParameter (
    IN PVOID pMgmtHandle,
    IN WORD  wBeaconPeriod,
    IN WORD  wATIMWindow,
    IN UINT  uChannel
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;

    pMgmt->wIBSSBeaconPeriod = wBeaconPeriod;
    pMgmt->wIBSSATIMWindow = wATIMWindow;
    pMgmt->uIBSSChannel = uChannel;
}

/*+
 *
 * Description:
 *    Get current SSID
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *  Out:
 *      none
 *
 * Return Value: current SSID pointer.
 *
-*/
PWLAN_IE_SSID
VNTWIFIpGetCurrentSSID (
    IN PVOID pMgmtHandle
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
    return((PWLAN_IE_SSID) pMgmt->abyCurrSSID);
}

/*+
 *
 * Description:
 *    Get current link channel
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *  Out:
 *      none
 *
 * Return Value: current Channel.
 *
-*/
UINT
VNTWIFIpGetCurrentChannel (
    IN PVOID pMgmtHandle
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
    if (pMgmtHandle != NULL) {
        return (pMgmt->uCurrChannel);
    }
    return 0;
}

/*+
 *
 * Description:
 *    Get current Assoc ID
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *  Out:
 *      none
 *
 * Return Value: current Assoc ID
 *
-*/
WORD
VNTWIFIwGetAssocID (
    IN PVOID pMgmtHandle
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
    return(pMgmt->wCurrAID);
}



/*+
 *
 * Description:
 *    This routine return max support rate of IES
 *
 * Parameters:
 *  In:
 *      pSupportRateIEs
 *      pExtSupportRateIEs
 *
 *  Out:
 *
 * Return Value: max support rate
 *
-*/
BYTE
VNTWIFIbyGetMaxSupportRate (
    IN PWLAN_IE_SUPP_RATES pSupportRateIEs,
    IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
    )
{
    BYTE    byMaxSupportRate = RATE_1M;
    BYTE    bySupportRate = RATE_1M;
    UINT    ii = 0;

    if (pSupportRateIEs) {
        for (ii = 0; ii < pSupportRateIEs->len; ii++) {
            bySupportRate = DATARATEbyGetRateIdx(pSupportRateIEs->abyRates[ii]);
            if (bySupportRate > byMaxSupportRate) {
                byMaxSupportRate = bySupportRate;
            }
        }
    }
    if (pExtSupportRateIEs) {
        for (ii = 0; ii < pExtSupportRateIEs->len; ii++) {
            bySupportRate = DATARATEbyGetRateIdx(pExtSupportRateIEs->abyRates[ii]);
            if (bySupportRate > byMaxSupportRate) {
                byMaxSupportRate = bySupportRate;
            }
        }
    }

    return byMaxSupportRate;
}

/*+
 *
 * Description:
 *    This routine return data rate of ACK packtet
 *
 * Parameters:
 *  In:
 *      byRxDataRate
 *      pSupportRateIEs
 *      pExtSupportRateIEs
 *
 *  Out:
 *
 * Return Value: max support rate
 *
-*/
BYTE
VNTWIFIbyGetACKTxRate (
    IN BYTE byRxDataRate,
    IN PWLAN_IE_SUPP_RATES pSupportRateIEs,
    IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
    )
{
    BYTE    byMaxAckRate;
    BYTE    byBasicRate;
    UINT    ii;

    if (byRxDataRate <= RATE_11M) {
        byMaxAckRate = RATE_1M;
    } else  {
        // 24M is mandatory for 802.11a and 802.11g
        byMaxAckRate = RATE_24M;
    }
    if (pSupportRateIEs) {
        for (ii = 0; ii < pSupportRateIEs->len; ii++) {
            if (pSupportRateIEs->abyRates[ii] & 0x80) {
                byBasicRate = DATARATEbyGetRateIdx(pSupportRateIEs->abyRates[ii]);
                if ((byBasicRate <= byRxDataRate) &&
                    (byBasicRate > byMaxAckRate))  {
                    byMaxAckRate = byBasicRate;
                }
            }
        }
    }
    if (pExtSupportRateIEs) {
        for (ii = 0; ii < pExtSupportRateIEs->len; ii++) {
            if (pExtSupportRateIEs->abyRates[ii] & 0x80) {
                byBasicRate = DATARATEbyGetRateIdx(pExtSupportRateIEs->abyRates[ii]);
                if ((byBasicRate <= byRxDataRate) &&
                    (byBasicRate > byMaxAckRate))  {
                    byMaxAckRate = byBasicRate;
                }
            }
        }
    }

    return byMaxAckRate;
}

/*+
 *
 * Description:
 *    Set Authentication Mode
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *      eAuthMode   - Authentication mode
 *  Out:
 *      none
 *
 * Return Value: none
 *
-*/
VOID
VNTWIFIvSetAuthenticationMode (
    IN PVOID pMgmtHandle,
    IN WMAC_AUTHENTICATION_MODE eAuthMode
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;

    pMgmt->eAuthenMode = eAuthMode;
    if ((eAuthMode == WMAC_AUTH_SHAREKEY) ||
        (eAuthMode == WMAC_AUTH_AUTO)) {
        pMgmt->bShareKeyAlgorithm = TRUE;
    } else {
        pMgmt->bShareKeyAlgorithm = FALSE;
    }
}

/*+
 *
 * Description:
 *    Set Encryption Mode
 *
 * Parameters:
 *  In:
 *      pMgmtHandle - pointer to management object
 *      eAuthMode   - Authentication mode
 *  Out:
 *      none
 *
 * Return Value: none
 *
-*/
VOID
VNTWIFIvSetEncryptionMode (
    IN PVOID pMgmtHandle,
    IN WMAC_ENCRYPTION_MODE eEncryptionMode
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;

    pMgmt->eEncryptionMode = eEncryptionMode;
    if ((eEncryptionMode == WMAC_ENCRYPTION_WEPEnabled) ||
        (eEncryptionMode == WMAC_ENCRYPTION_TKIPEnabled) ||
        (eEncryptionMode == WMAC_ENCRYPTION_AESEnabled) ) {
        pMgmt->bPrivacyInvoked = TRUE;
    } else {
        pMgmt->bPrivacyInvoked = FALSE;
    }
}



BOOL
VNTWIFIbConfigPhyMode (
    IN PVOID pMgmtHandle,
    IN CARD_PHY_TYPE ePhyType
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;

    if ((ePhyType != PHY_TYPE_AUTO) &&
        (ePhyType != pMgmt->eCurrentPHYMode)) {
        if (CARDbSetPhyParameter(pMgmt->pAdapter, ePhyType, 0, 0, NULL, NULL)==TRUE) {
            pMgmt->eCurrentPHYMode = ePhyType;
        } else {
            return(FALSE);
        }
    }
    pMgmt->eConfigPHYMode = ePhyType;
    return(TRUE);
}


VOID
VNTWIFIbGetConfigPhyMode (
    IN  PVOID pMgmtHandle,
    OUT PVOID pePhyType
    )
{
    PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;

    if ((pMgmt != NULL) && (pePhyType != NULL)) {
        *(PCARD_PHY_TYPE)pePhyType = pMgmt->eConfigPHYMode;
    }
}

/*+