1 /* 2 * hwaddr.h 3 * 4 * $FreeBSD$ 5 */ 6 7 #ifndef HWADDR_H 8 #define HWADDR_H 9 10 #define MAXHADDRLEN 8 /* Max hw address length in bytes */ 11 12 /* 13 * This structure holds information about a specific network type. The 14 * length of the network hardware address is stored in "hlen". 15 * The string pointed to by "name" is the cononical name of the network. 16 */ 17 struct hwinfo { 18 unsigned int hlen; 19 char *name; 20 }; 21 22 extern struct hwinfo hwinfolist[]; 23 extern int hwinfocnt; 24 25 extern void setarp(int, struct in_addr *, int, u_char *, int); 26 extern char *haddrtoa(u_char *, int); 27 extern void haddr_conv802(u_char *, u_char *, int); 28 29 /* 30 * Return the length in bytes of a hardware address of the given type. 31 * Return the canonical name of the network of the given type. 32 */ 33 #define haddrlength(type) ((hwinfolist[(int) (type)]).hlen) 34 #define netname(type) ((hwinfolist[(int) (type)]).name) 35 36 #endif /* HWADDR_H */ 37