ethernet.h

//********************************************************************************************
//
// File : ethernet.h implement for Ethernet Protocol
//
//********************************************************************************************
#define ETH_TYPE_ARP_V		0x0806
#define ETH_TYPE_ARP_H_V	0x08
#define ETH_TYPE_ARP_L_V	0x06
#define ETH_TYPE_IP_V		0x0800
#define ETH_TYPE_IP_H_V		0x08
#define ETH_TYPE_IP_L_V		0x00

#define ETH_HEADER_LEN		14

#define ETH_DST_MAC_P		0
#define ETH_SRC_MAC_P		6
#define ETH_TYPE_H_P		12
#define ETH_TYPE_L_P		13
//********************************************************************************************
//
// Prototype function
//
//********************************************************************************************
//void eth_generate_packet ( ETH_HEADER eth_header );
extern WORD software_checksum( BYTE *rxtx_buffer, WORD len, DWORD sum);
extern void eth_generate_header ( BYTE *rxtx_buffer, WORD_BYTES type, BYTE *dest_mac );