xref: /dragonfly/libexec/bootpd/hwaddr.h (revision 984263bc)
1 /*
2  * hwaddr.h
3  *
4  * $FreeBSD: src/libexec/bootpd/hwaddr.h,v 1.5 1999/08/28 00:09:18 peter Exp $
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 #ifdef	__STDC__
26 #define P(args) args
27 #else
28 #define P(args) ()
29 #endif
30 
31 extern void setarp P((int, struct in_addr *, int, u_char *, int));
32 extern char *haddrtoa P((u_char *, int));
33 extern void haddr_conv802 P((u_char *, u_char *, int));
34 
35 #undef P
36 
37 /*
38  * Return the length in bytes of a hardware address of the given type.
39  * Return the canonical name of the network of the given type.
40  */
41 #define haddrlength(type)	((hwinfolist[(int) (type)]).hlen)
42 #define netname(type)		((hwinfolist[(int) (type)]).name)
43 
44 #endif	/* HWADDR_H */
45