libexec/bootpd/hwaddr.h

   1 /*
   2  * hwaddr.h
   3  *
   4  * $FreeBSD: src/libexec/bootpd/hwaddr.h,v 1.5 1999/08/28 00:09:18 peter Exp $
   5  * $DragonFly: src/libexec/bootpd/hwaddr.h,v 1.2 2003/06/17 04:27:07 dillon Exp $
   6  */
   7
   8 #ifndef HWADDR_H
   9 #define HWADDR_H
  10
  11 #define MAXHADDRLEN             8       /* Max hw address length in bytes */
  12
  13 /*
  14  * This structure holds information about a specific network type.  The
  15  * length of the network hardware address is stored in "hlen".
  16  * The string pointed to by "name" is the cononical name of the network.
  17  */
  18 struct hwinfo {
  19     unsigned int hlen;
  20     char *name;
  21 };
  22
  23 extern struct hwinfo hwinfolist[];
  24 extern int hwinfocnt;
  25
  26 #ifdef  __STDC__
  27 #define P(args) args
  28 #else
  29 #define P(args) ()
  30 #endif
  31
  32 extern void setarp P((int, struct in_addr *, int, u_char *, int));
  33 extern char *haddrtoa P((u_char *, int));
  34 extern void haddr_conv802 P((u_char *, u_char *, int));
  35
  36 #undef P
  37
  38 /*
  39  * Return the length in bytes of a hardware address of the given type.
  40  * Return the canonical name of the network of the given type.
  41  */
  42 #define haddrlength(type)       ((hwinfolist[(int) (type)]).hlen)
  43 #define netname(type)           ((hwinfolist[(int) (type)]).name)
  44
  45 #endif  /* HWADDR_H */