eth.h

arm7 s3c44b0x开发板fs44b的bios启动源代码及使用说明 下载方法等

#ifndef __ETH_H
#define __ETH_H

/*
 *	IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
 *	and FCS/CRC (frame check sequence). 
 */

#define ETH_ALEN		6			/* Octets in one ethernet addr	 */
#define ETH_HLEN		14			/* Total octets in header.	 */
#define ETH_ZLEN		60			/* Min. octets in frame sans FCS */
#define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
#define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */

/*
 *	These are the defined Ethernet Protocol ID's.
 */

#define ETH_P_LOOP		0x0060		/* Ethernet Loopback packet	*/
#define ETH_P_ECHO		0x0200		/* Ethernet Echo packet		*/
#define ETH_P_PUP		0x0400		/* Xerox PUP packet		*/
#define ETH_P_IP		0x0800		/* Internet Protocol packet	*/
#define ETH_P_X25		0x0805		/* CCITT X.25			*/
#define ETH_P_ARP		0x0806		/* Address Resolution packet	*/
#define	ETH_P_BPQ		0x08FF		/* G8BPQ AX.25 Ethernet Packet	[ NOT AN OFFICIALLY REGISTERED ID ] */
#define ETH_P_DEC       0x6000      /* DEC Assigned proto           */
#define ETH_P_DNA_DL    0x6001      /* DEC DNA Dump/Load            */
#define ETH_P_DNA_RC    0x6002      /* DEC DNA Remote Console       */
#define ETH_P_DNA_RT    0x6003      /* DEC DNA Routing              */
#define ETH_P_LAT       0x6004      /* DEC LAT                      */
#define ETH_P_DIAG      0x6005      /* DEC Diagnostics              */
#define ETH_P_CUST      0x6006      /* DEC Customer use             */
#define ETH_P_SCA       0x6007      /* DEC Systems Comms Arch       */
#define ETH_P_RARP      0x8035		/* Reverse Addr Res packet	*/
#define ETH_P_ATALK		0x809B		/* Appletalk DDP		*/
#define ETH_P_AARP		0x80F3		/* Appletalk AARP		*/
#define ETH_P_IPX		0x8137		/* IPX over DIX			*/
#define ETH_P_IPV6		0x86DD		/* IPv6 over bluebook		*/


/*
 *	This is an Ethernet frame header.
 */
 
__packed struct ethhdr
{
	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr	*/
	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
	unsigned short	h_proto;		/* packet type ID field	*/
};

struct sk_buff;

int eth_init(void);
int eth_lnk_stat(void);
int eth_send(struct sk_buff *skb, unsigned char *dest_addr, unsigned short proto);
int eth_rcv(struct sk_buff *skb);
int eth_get_addr(unsigned char *addr);
void eth_skb_reserve(struct sk_buff *skb);


#endif /* __ETH_H */