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CodeBlocksPortable/Borland/BCC55/Include/buffer.h

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//=============================================================================
// Microsoft (R) Bloodhound (tm). Copyright (C) 1991-1992.
//
// MODULE: buffer.h
//
// This source file contains defintions for Bloodhound buffers.
//=============================================================================
#if !defined(_BUFFER_)
#pragma option push -b -a8 -pc -A- /*P_O_Push*/
#define _BUFFER_
#pragma pack(1)
#define BUFFERSIZE ((DWORD) 32768U) //... Size of each buffer (NDIS and ODI NAL's).
#define ONE_MEG 32
#define ONE_HALF_MEG (ONE_MEG / 2)
#define STAT_FRAME_SIZE 1024
//=============================================================================
// Frame type.
//=============================================================================
typedef struct _FRAME
{
DWORD TimeStamp; //... Relative time in milliseconds.
WORD FrameLength; //... MAC frame length.
WORD nBytesAvail; //... Actual frame length copied.
BYTE MacFrame[0]; //... Frame data.
} FRAME;
typedef FRAME *LPFRAME;
typedef FRAME UNALIGNED *ULPFRAME;
#define FRAME_SIZE sizeof(FRAME)
//=============================================================================
// Buffer Table Entry (BTE). This is the private part of the buffer for
// the NDIS 2.0, NDIS 3.0, and ODI nals.
//=============================================================================
typedef struct _BTE *LPBTE;
typedef struct _BTE
{
DWORD ObjectType; //... 'BTE$'. Filled in byt kernel.
DWORD Flags; //... Used by Nal/driver.
LPBTE KrnlModeNext; //... Optional, reserved for NAL usage.
LPBTE Next; //... Pointer to next BTE.
LPFRAME UserModeBuffer; //... User mode buffer pointer.
LPVOID KrnlModeBuffer; //... Kernel mode buffer pointer.
DWORD Length; //... Overall buffer length (in bytes)
DWORD ByteCount; //... Number of bytes in buffer.
DWORD FrameCount; //... Number of frames in buffer.
WORD DropCount; //... Number of dropped frames detected.
WORD TransfersPended; //... Number of transferdatas pended by mac
} BTE;
#define BTE_SIZE sizeof(BTE)
//=============================================================================
// Buffer type.
//=============================================================================
typedef struct _BUFFER
{
//=========================================================================
// PUBLIC portion of BUFFER type. This section is filled in by NAL.DLL.
// The public section is 64 bytes in size.
//=========================================================================
DWORD ObjectType; //... 'BUF$'.
DWORD NetworkID; //... Network ID.
DWORD BufferSize; //... Buffer size requested.
DWORD TotalBytes; //... Total bytes captured.
DWORD TotalFrames; //... Total frames captured.
LPVOID hNetwork; //... Handle of network.
SYSTEMTIME TimeOfCapture; //... Time of capture.
LPBTE StatFrameBTE; //... Pointer to the stat frame
DWORD Reserved[5]; //... Reserved for future use.
//=========================================================================
// PRIVATE portion of BUFFER type. This section is filled by NAL drivers/dlls.
// The private section is 32 bytes in size.
//=========================================================================
// BYTE Private[32]; //... 32 bytes of private space for NAL use.
// start MSINTERNAL
DWORD HeadBTEIndex; //... BTE containing frame #1, filled in by NAL.
DWORD TailBTEIndex; //... BTE containing frame #N, filled in by NAL.
DWORD NumberOfBuffers; //... Total number of BTE's, filled in by kernel.
DWORD NumberOfBuffersUsed;//... Total number of BTE's used, filled in by driver.
DWORD Pad[4]; //... Pad out to 32 bytes.
BTE bte[0]; //... BTE's follow BUFFER structure in memory.
// stop MSINTERNAL
} BUFFER;
typedef BUFFER *HBUFFER;
//=============================================================================
// FUNCTION: GetBteIndex();
//
// Modification History
//
// raypa 07/10/93 Created.
//=============================================================================
#define GetBteIndex(hBuffer, lpBte) ((DWORD) ((lpBte) - (hBuffer)->bte))
#pragma pack()
#pragma option pop /*P_O_Pop*/
#endif