#ifndef	_ENET_H
#define _ENET_H

/* Generic Ethernet constants and templates */
#ifndef	_GLOBAL_H
#include "global.h"
#endif

#ifndef	_MBUF_H
#include "mbuf.h"
#endif

#ifndef	_IFACE_H
#include "iface.h"
#endif

#define	EADDR_LEN	6
/* Format of an Ethernet header */
struct ether {
	char dest[EADDR_LEN];
	char source[EADDR_LEN];
	int16 type;
};
#define	ETHERLEN	14

/* Ethernet broadcast address */
extern char Ether_bdcst[];

/* Ethernet type fields */
#define	IP_TYPE		0x800	/* Type field for IP */
#define	ARP_TYPE	0x806	/* Type field for ARP */
#define	REVARP_TYPE	0x8035	/* Type field for reverse ARP */

#define	RUNT		60	/* smallest legal size packet, no fcs */
#define	GIANT		1514	/* largest legal size packet, no fcs */

#define	MAXTRIES	16	/* Maximum number of transmission attempts */

/* In file enet.c: */
char *pether __ARGS((char *out,char *addr));
int gether __ARGS((char *out,char *cp));
int enet_send __ARGS((struct mbuf *bp,struct iface *iface,int32 gateway,int tos));
int enet_output __ARGS((struct iface *iface,char dest[],char source[],int16 type,
	struct mbuf *data));
void eproc __ARGS((struct iface *iface,struct mbuf *bp));

/* In enethdr.c: */
struct mbuf *htonether __ARGS((struct ether *ether,struct mbuf *data));
int ntohether __ARGS((struct ether *ether,struct mbuf **bpp));

#endif	/* _ENET_H */