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