freebsd-dev/sys/net/flowtable.h
2014-02-17 12:07:17 +00:00

57 lines
2.0 KiB
C

/*-
* Copyright (c) 2014 Gleb Smirnoff <glebius@FreeBSD.org>
* Copyright (c) 2008-2010, BitGravity Inc.
* 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. Neither the name of the BitGravity Corporation 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*
* $FreeBSD$
*
*/
#ifndef _NET_FLOWTABLE_H_
#define _NET_FLOWTABLE_H_
struct flowtable_stat {
uint64_t ft_collisions;
uint64_t ft_misses;
uint64_t ft_free_checks;
uint64_t ft_frees;
uint64_t ft_hits;
uint64_t ft_lookups;
uint64_t ft_fail_lle_invalid;
uint64_t ft_inserts;
};
#ifdef _KERNEL
/*
* Given a flow table, look up the L3 and L2 information
* and return it in the route.
*/
int flowtable_lookup(sa_family_t, struct mbuf *, struct route *);
void flowtable_route_flush(sa_family_t, struct rtentry *);
#endif /* _KERNEL */
#endif /* !_NET_FLOWTABLE_H_ */