1/*	$KAME: radix_mpath.h,v 1.10 2004/11/06 15:44:28 itojun Exp $	*/
2
3/*
4 * Copyright (C) 2001 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 * THE AUTHORS DO NOT GUARANTEE THAT THIS SOFTWARE DOES NOT INFRINGE
31 * ANY OTHERS' INTELLECTUAL PROPERTIES. IN NO EVENT SHALL THE AUTHORS
32 * BE LIABLE FOR ANY INFRINGEMENT OF ANY OTHERS' INTELLECTUAL
33 * PROPERTIES.
34 */
35/* $FreeBSD$ */
36
37#ifndef _NET_RADIX_MPATH_H_
38#define	_NET_RADIX_MPATH_H_
39
40#ifdef _KERNEL
41/*
42 * Radix tree API with multipath support
43 */
44struct route;
45struct rtentry;
46struct sockaddr;
47int	rn_mpath_capable(struct radix_node_head *);
48struct radix_node *rn_mpath_next(struct radix_node *);
49u_int32_t rn_mpath_count(struct radix_node *);
50struct rtentry *rt_mpath_matchgate(struct rtentry *, struct sockaddr *);
51int rt_mpath_conflict(struct radix_node_head *, struct rtentry *,
52    struct sockaddr *);
53void rtalloc_mpath_fib(struct route *, u_int32_t, u_int);
54#define rtalloc_mpath(_route, _hash) rtalloc_mpath_fib((_route), (_hash), 0)
55struct radix_node *rn_mpath_lookup(void *, void *,
56    struct radix_node_head *);
57int rt_mpath_deldup(struct rtentry *, struct rtentry *);
58int	rn4_mpath_inithead(void **, int);
59int	rn6_mpath_inithead(void **, int);
60
61#endif
62
63#endif /* _NET_RADIX_MPATH_H_ */
64