wctl.h

VIA VT6656 USB 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: wctl.h
 *
 * Purpose:
 *
 * Author: Jerry Chen
 *
 * Date: Jun. 27, 2002
 *
 */


#ifndef __WCTL_H__
#define __WCTL_H__

#if !defined(__TTYPE_H__)
#include "ttype.h"
#endif
#if !defined(__TETHER_H__)
#include "tether.h"
#endif
#if !defined(__DEVICE_H__)
#include "device.h"
#endif



/*---------------------  Export Definitions -------------------------*/

#define IS_TYPE_DATA(pMACHeader)                                                        \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_DATA)
    
#define IS_TYPE_MGMT(pMACHeader)                                                        \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_MGMT)    
    
#define IS_TYPE_CONTROL(pMACHeader)                                                     \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_CTL)    

#define IS_FC_MOREDATA(pMACHeader)                                                      \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREDATA) == FC_MOREDATA)

#define IS_FC_POWERMGT(pMACHeader)                                                      \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_POWERMGT) == FC_POWERMGT)
    
#define IS_FC_RETRY(pMACHeader)                                                         \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_RETRY) == FC_RETRY)
    
#define IS_FC_WEP(pMACHeader)                                                           \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_WEP) == FC_WEP)

#ifdef __BIG_ENDIAN

#define IS_FRAGMENT_PKT(pMACHeader)                                                     \
    (((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) |                  \
     ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) != 0))
     
#define IS_FIRST_FRAGMENT_PKT(pMACHeader)                                               \
    ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) == 0)
    
#else

#define IS_FRAGMENT_PKT(pMACHeader)                                                     \
    (((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) |                  \
     ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) != 0))

#define IS_FIRST_FRAGMENT_PKT(pMACHeader)                                               \
    ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) == 0)
    
#endif//#ifdef __BIG_ENDIAN             

#define IS_LAST_FRAGMENT_PKT(pMACHeader)                                                \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) == 0)

#define IS_CTL_PSPOLL(pMACHeader)                                                       \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL)
    

#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) {   \
    if ((uVar) >= ((uModulo) - 1))                  \
        (uVar) = 0;                                 \
    else                                            \
        (uVar)++;                                   \
}


/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/
                                        
/*---------------------  Export Functions  --------------------------*/
#ifdef __cplusplus
extern "C" {                            /* Assume C declarations for C++ */
#endif /* __cplusplus */

BOOL WCTLbIsDuplicate(PSCache pCache, PS802_11Header pMACHeader);
BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader, UINT cbFrameLength, BOOL bWEP, BOOL bExtIV);
UINT WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
UINT WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader);

#ifdef __cplusplus
}                                       /* End of extern "C" { */
#endif /* __cplusplus */




#endif // __WCTL_H__