1 /* $NetBSD: rsrr_var.h,v 1.1 1995/12/10 10:07:15 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1993 by the University of Southern California 5 * All rights reserved. 6 * 7 * Permission to use, copy, modify, and distribute this software and its 8 * documentation in source and binary forms for non-commercial purposes 9 * and without fee is hereby granted, provided that the above copyright 10 * notice appear in all copies and that both the copyright notice and 11 * this permission notice appear in supporting documentation. and that 12 * any documentation, advertising materials, and other materials related 13 * to such distribution and use acknowledge that the software was 14 * developed by the University of Southern California, Information 15 * Sciences Institute. The name of the University may not be used to 16 * endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THE UNIVERSITY OF SOUTHERN CALIFORNIA makes no representations about 20 * the suitability of this software for any purpose. THIS SOFTWARE IS 21 * PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, 22 * INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 24 * 25 * Other copyrights might apply to parts of this software and are so 26 * noted when applicable. 27 */ 28 29 /* RSRR things that are only needed by mrouted. */ 30 31 /* Cache of Route Query messages, distinguished by source, 32 * destination, and client addresses. Cache is flushed by RSRR client 33 * -- it sends notification when an unwanted Route Reply is received. 34 * Since this only happens during route changes, it is more likely 35 * that the cache will be flushed when the kernel table entry is 36 * deleted. */ 37 struct rsrr_cache { 38 struct rsrr_rq route_query; /* Cached Route Query */ 39 struct sockaddr_un client_addr; /* Client address */ 40 int client_length; /* Length of client */ 41 struct rsrr_cache *next; /* next cache item */ 42 }; 43 44