1/*	$KAME: radix_mpath.h,v 1.10 2004/11/06 15:44:28 itojun Exp $	*/
2
3/*
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 2001 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 * THE AUTHORS DO NOT GUARANTEE THAT THIS SOFTWARE DOES NOT INFRINGE
33 * ANY OTHERS' INTELLECTUAL PROPERTIES. IN NO EVENT SHALL THE AUTHORS
34 * BE LIABLE FOR ANY INFRINGEMENT OF ANY OTHERS' INTELLECTUAL
35 * PROPERTIES.
36 */
37/* $FreeBSD$ */
38
39#ifndef _NET_RADIX_MPATH_H_
40#define	_NET_RADIX_MPATH_H_
41
42#ifdef _KERNEL
43/*
44 * Radix tree API with multipath support
45 */
46struct route;
47struct rtentry;
48struct sockaddr;
49struct rib_head;
50int	rt_mpath_capable(struct rib_head *);
51int	rn_mpath_capable(struct radix_head *);
52struct radix_node *rn_mpath_next(struct radix_node *);
53u_int32_t rn_mpath_count(struct radix_node *);
54struct rtentry *rt_mpath_matchgate(struct rtentry *, struct sockaddr *);
55int rt_mpath_conflict(struct rib_head *, struct rtentry *,
56    struct sockaddr *);
57void rtalloc_mpath_fib(struct route *, u_int32_t, u_int);
58struct rtentry *rt_mpath_select(struct rtentry *, uint32_t);
59int rt_mpath_deldup(struct rtentry *, struct rtentry *);
60int	rn4_mpath_inithead(void **, int);
61int	rn6_mpath_inithead(void **, int);
62
63#endif
64
65#endif /* _NET_RADIX_MPATH_H_ */
66