1 /* 2 * Copyright (c) 1983 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)af.h 5.1 (Berkeley) 6/4/85 (routed/af.h) 18 * 19 * @(#)af.h 5.1 (Berkeley) 09/20/88 20 */ 21 22 /* 23 * Routing table management daemon. 24 */ 25 26 /* 27 * Per address family routines. 28 */ 29 struct afswitch { 30 int (*af_hash)(); /* returns keys based on address */ 31 int (*af_netmatch)(); /* verifies net # matching */ 32 int (*af_output)(); /* interprets address for sending */ 33 int (*af_portmatch)(); /* packet from some other router? */ 34 int (*af_portcheck)(); /* packet from privileged peer? */ 35 int (*af_checkhost)(); /* tells if address for host or net */ 36 int (*af_ishost)(); /* tells if address is valid */ 37 int (*af_canon)(); /* canonicalize address for compares */ 38 }; 39 40 /* 41 * Structure returned by af_hash routines. 42 */ 43 struct afhash { 44 u_int afh_hosthash; /* host based hash */ 45 u_int afh_nethash; /* network based hash */ 46 }; 47 48 struct afswitch afswitch[AF_MAX]; /* table proper */ 49