[unix-history] / usr / src / sys / netinet / if_ether.h

/*	if_ether.h	4.3	82/12/16	*/

/*
 * Structure of a 10Mb/s Ethernet header.
 */
struct	ether_header {
	u_char	ether_dhost[6];
	u_char	ether_shost[6];
	u_short	ether_type;
};

#define	ETHERPUP_PUPTYPE	0x0400		/* PUP protocol */
#define	ETHERPUP_IPTYPE		0x0800		/* IP protocol */

/*
 * The ETHERPUP_NTRAILER packet types starting at ETHERPUP_TRAIL have
 * (type-ETHERPUP_TRAIL)*512 bytes of data followed
 * by a PUP type (as given above) and then the (variable-length) header.
 */
#define	ETHERPUP_TRAIL		0x1000		/* Trailer PUP */
#define	ETHERPUP_NTRAILER	16

#define	ETHERMTU	1500
#define	ETHERMIN	(60-14)
Commit	Line	Data
b332a7f5	1	/* if_ether.h 4.3 82/12/16 */
66b2ba82 SL	2
	3	/*
	4	* Structure of a 10Mb/s Ethernet header.
	5	*/
3fa8d9bb SL	6	struct ether_header {
	7	u_char ether_dhost[6];
	8	u_char ether_shost[6];
	9	u_short ether_type;
66b2ba82 SL	10	};
66b2ba82 SL	11
b332a7f5 SL	12	#define ETHERPUP_PUPTYPE 0x0400 /* PUP protocol */
b332a7f5 SL	13	#define ETHERPUP_IPTYPE 0x0800 /* IP protocol */
66b2ba82 SL	14
66b2ba82 SL	15	/*
3fa8d9bb SL	16	* The ETHERPUP_NTRAILER packet types starting at ETHERPUP_TRAIL have
3fa8d9bb SL	17	* (type-ETHERPUP_TRAIL)*512 bytes of data followed
66b2ba82 SL	18	* by a PUP type (as given above) and then the (variable-length) header.
66b2ba82 SL	19	*/
b332a7f5	20	#define ETHERPUP_TRAIL 0x1000 /* Trailer PUP */
3fa8d9bb SL	21	#define ETHERPUP_NTRAILER 16
	22
	23	#define ETHERMTU 1500
	24	#define ETHERMIN (60-14)