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/* $OpenBSD: radix_mpath.h,v 1.9 2010/05/07 13:33:16 claudio Exp $ */
/* $KAME: radix_mpath.h,v 1.9 2004/03/30 11:21:49 keiichi Exp $ */
/*
* Copyright (C) 2001 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* THE AUTHORS DO NOT GUARANTEE THAT THIS SOFTWARE DOES NOT INFRINGE
* ANY OTHERS' INTELLECTUAL PROPERTIES. IN NO EVENT SHALL THE AUTHORS
* BE LIABLE FOR ANY INFRINGEMENT OF ANY OTHERS' INTELLECTUAL
* PROPERTIES.
*/
#ifndef _NET_RADIX_MPATH_H_
#define _NET_RADIX_MPATH_H_
#ifdef _KERNEL
/*
* Radix tree API with multipath support
*/
struct route;
struct rtentry;
struct sockaddr;
int rn_mpath_capable(struct radix_node_head *);
struct radix_node *rn_mpath_next(struct radix_node *, int);
struct radix_node *rn_mpath_prio(struct radix_node *, u_int8_t);
void rn_mpath_reprio(struct radix_node *, int);
int rn_mpath_count(struct radix_node *);
struct rtentry *rt_mpath_matchgate(struct rtentry *, struct sockaddr *,
u_int8_t);
int rt_mpath_conflict(struct radix_node_head *, struct rtentry *,
struct sockaddr *, int);
void rtalloc_mpath(struct route *, u_int32_t *);
int rn_mpath_inithead(void **, int);
#endif
#endif /* _NET_RADIX_MPATH_H_ */
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