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      1 /*	$NetBSD: hwaddr.h,v 1.6 2009/04/15 00:23:29 lukem Exp $	*/
      2 
      3 /* hwaddr.h */
      4 #ifndef	HWADDR_H
      5 #define HWADDR_H
      6 
      7 #define MAXHADDRLEN		8	/* Max hw address length in bytes */
      8 
      9 /*
     10  * This structure holds information about a specific network type.  The
     11  * length of the network hardware address is stored in "hlen".
     12  * The string pointed to by "name" is the canonical name of the network.
     13  */
     14 struct hwinfo {
     15     unsigned int hlen;
     16     const char *name;
     17 };
     18 
     19 extern struct hwinfo hwinfolist[];
     20 extern size_t hwinfocnt;
     21 
     22 extern void setarp(int, struct in_addr *, u_char *, int);
     23 extern char *haddrtoa(u_char *, int);
     24 extern void haddr_conv802(u_char *, u_char *, int);
     25 
     26 /*
     27  * Return the length in bytes of a hardware address of the given type.
     28  * Return the canonical name of the network of the given type.
     29  */
     30 #define haddrlength(type)	((hwinfolist[(int) (type)]).hlen)
     31 #define netname(type)		((hwinfolist[(int) (type)]).name)
     32 
     33 #endif	/* HWADDR_H */
     34