www.pudn.com > NDKforTIDM642DSP.rar > etherif.h

//-------------------------------------------------------------------------- 
// Ip Stack 
//-------------------------------------------------------------------------- 
// ETHERIF.H 
// 
// Author: Michael A. Denio 
// Copyright 1999 by Texas Instruments Inc. 
//------------------------------------------------------------------------- 
 
#ifndef _C_ETHERIF_INC 
#define _C_ETHERIF_INC  /* #defined if this .h file has been included */ 
 
//------------------------------------------------------------------------- 
// Device Structure 
// 
 
// Our Max Multicast (Independent of Low-level MAX) 
#define ETH_MIN_PAYLOAD 46 
 
// Message 
typedef struct _ethdev { 
//---[ These fields match IF structure ]--- 
        uint        Type;                     // Set to HTYPE_ETH 
        uint        llIndex;                  // Low-level Device Index 
        uint        ProtMTU;                  // MTU less ETHER stuff 
//----------------------------------------- 
        UINT8       MacAddr[6];               // Device's Unicast Addr 
        uint        PktFilter;                // Current packet filter 
        uint        EthHdrSize;               // Byte Size of ETH header 
        uint        OffDstMac;                // Hdr offset to dst mac 
        uint        OffSrcMac;                // Hdr offset to src mac 
        uint        OffEtherType;             // Hdr offset to eth type 
        uint        PacketPad;                // Bytes of pad at end of packet 
        uint        PhysMTU;                  // Physical pkt size (with all) 
       } ETHDRV; 
 
//----------------------------------------------------------------------- 
// 
// Ether Packet Filter (cumulative) 
// 
#define ETH_PKTFLT_NOTHING      0 
#define ETH_PKTFLT_DIRECT       1 
#define ETH_PKTFLT_BROADCAST    2 
#define ETH_PKTFLT_MULTICAST    3 
#define ETH_PKTFLT_ALLMULTICAST 4 
#define ETH_PKTFLT_ALL          5 
 
//----------------------------------------------------------------------- 
// 
// Packet Access Functions 
// 
_extern void   EtherRxPacket( PBM_Handle hPkt ); 
 
//----------------------------------------------------------------------- 
// 
// Global Access Functions 
// 
_extern HANDLE EtherNew( uint  llIndex ); 
_extern void   EtherFree( HANDLE hEther ); 
_extern void   EtherConfig( HANDLE hEther, uint PhysMTU, uint EthHdrSize, 
                           uint OffDstMac, uint OffSrcMac, uint OffEtherType, 
                           uint PacketPad ); 
_extern void   EtherSetPktFilter( HANDLE hEther, uint PktFilter ); 
 
_extern uint   EtherAddMCast( HANDLE hEther, UINT8 *pMCastAddr ); 
_extern uint   EtherDelMCast( HANDLE hEther, UINT8 *pMCastAddr ); 
_extern void   EtherClearMCast( HANDLE hEther ); 
_extern uint   EtherGetMacAddr( HANDLE hEther, UINT8 *pMacAddr, uint MaxLen ); 
 
 
//----------------------------------------------------------------------- 
// 
// Direct Functions 
// 
#ifdef _STRONG_CHECKING 
_extern uint   EtherGetPktFilter( HANDLE hEther ); 
#else 
#define EtherGetPktFilter( h )   (((ETHDRV *)h)->PktFilter) 
#endif 
 
//----------------------------------------------------------------------- 
// 
// PBM Packet Flags Maintained by this module 
// 
 
// Packet Flags (maintained by the stack lib) 
#define FLG_PKT_MACBCAST        0x00000002  // Pkt Received as a LL BCast 
#define FLG_PKT_MACMCAST        0x00000001  // Pkt Received as a LL MCast 
 
 
#endif