/* 
 * hwaddr.h
 *
 * $FreeBSD$
 */

#ifndef	HWADDR_H
#define HWADDR_H

#define MAXHADDRLEN		8	/* Max hw address length in bytes */

/*
 * This structure holds information about a specific network type.  The
 * length of the network hardware address is stored in "hlen".
 * The string pointed to by "name" is the cononical name of the network.
 */
struct hwinfo {
    unsigned int hlen;
    char *name;
};

extern struct hwinfo hwinfolist[];
extern int hwinfocnt;

extern void setarp(int, struct in_addr *, int, u_char *, int);
extern char *haddrtoa(u_char *, int);
extern void haddr_conv802(u_char *, u_char *, int);

/*
 * Return the length in bytes of a hardware address of the given type.
 * Return the canonical name of the network of the given type.
 */
#define haddrlength(type)	((hwinfolist[(int) (type)]).hlen)
#define netname(type)		((hwinfolist[(int) (type)]).name)

#endif	/* HWADDR_H */