1/*	$NetBSD: rsrr_var.h,v 1.2 2002/10/01 03:41:13 itojun Exp $	*/
2
3/*
4 * Copyright (c) 1998-2001.
5 * The University of Southern California/Information Sciences Institute.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/* RSRR things that are only needed by mrouted. */
34
35/* Cache of Route Query messages, distinguished by source,
36 * destination, and client addresses.  Cache is flushed by RSRR client
37 * -- it sends notification when an unwanted Route Reply is received.
38 * Since this only happens during route changes, it is more likely
39 * that the cache will be flushed when the kernel table entry is
40 * deleted.  */
41struct rsrr_cache {
42    struct rsrr_rq route_query;		/* Cached Route Query */
43    struct sockaddr_un client_addr;	/* Client address */
44    int client_length;			/* Length of client */
45    struct rsrr_cache *next;		/* next cache item */
46};
47
48