1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)af.h 5.8 (Berkeley) 11/16/91 8 */ 9 10 /* 11 * Routing table management daemon. 12 */ 13 14 /* 15 * Per address family routines. 16 */ 17 struct afswitch { 18 int (*af_hash)(); /* returns keys based on address */ 19 int (*af_netmatch)(); /* verifies net # matching */ 20 int (*af_output)(); /* interprets address for sending */ 21 int (*af_portmatch)(); /* packet from some other router? */ 22 int (*af_portcheck)(); /* packet from privileged peer? */ 23 int (*af_checkhost)(); /* tells if address is valid */ 24 int (*af_rtflags)(); /* get flags for route (host or net) */ 25 int (*af_sendroute)(); /* check bounds of subnet broadcast */ 26 int (*af_canon)(); /* canonicalize address for compares */ 27 char *(*af_format)(); /* convert address to string */ 28 }; 29 30 /* 31 * Structure returned by af_hash routines. 32 */ 33 struct afhash { 34 u_int afh_hosthash; /* host based hash */ 35 u_int afh_nethash; /* network based hash */ 36 }; 37 38 extern struct afswitch afswitch[]; /* table proper */ 39 extern int af_max; /* number of entries in table */ 40