ethernet.h

mc51单片机对rtl8019编程,实现ethernet的收发控制.

#ifndef ETHERNET_H
#define ETHERNET_H

#include "types.h"


#define ETHER_BUFFER_LEN      1520

#define	ETHER_ADDR_LEN	6 
 
// Ethernet protocol ID's 
#define	ETHERTYPE_IP		0x0800		/* IP */
#define	ETHERTYPE_ARP		0x0806		/* Address resolution */

typedef struct {
	Uint16  ether_dhost[ETHER_ADDR_LEN];	/* destination eth addr	*/
	Uint16  ether_shost[ETHER_ADDR_LEN];	/* source ether addr	*/
	Uint16 	ether_type;		/* packet type ID field	*/
}Ether_header_struc; 

void ethernet_init(Uint16 base_addr, Uint8 *pMac);
Bool ethernet_send(Uint8 *pBuffer, Uint16 aLength);
Uint16 ethernet_receive(Uint8 *pBuffer);
Uint16 cpu_checksum( Uint16* pBuffer, Uint16 aLength) ;
#endif