flowtable.h revision 262743 
1/*-
2 * Copyright (c) 2014 Gleb Smirnoff <glebius@FreeBSD.org>
3 * Copyright (c) 2008-2010, BitGravity Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright notice,
10 *     this list of conditions and the following disclaimer.
11 *
12 *  2. Neither the name of the BitGravity Corporation nor the names of its
13 *     contributors may be used to endorse or promote products derived from
14 *     this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/10/sys/net/flowtable.h 262743 2014-03-04 15:14:47Z glebius $
29 *
30 */
31
32#ifndef	_NET_FLOWTABLE_H_
33#define	_NET_FLOWTABLE_H_
34
35struct flowtable_stat {
36	uint64_t	ft_collisions;
37	uint64_t	ft_misses;
38	uint64_t	ft_free_checks;
39	uint64_t	ft_frees;
40	uint64_t	ft_hits;
41	uint64_t	ft_lookups;
42	uint64_t	ft_fail_lle_invalid;
43	uint64_t	ft_inserts;
44};
45
46#ifdef	_KERNEL
47
48/*
49 * Given a flow table, look up the L3 and L2 information
50 * and return it in the route.
51 */
52int flowtable_lookup(sa_family_t, struct mbuf *, struct route *);
53void flowtable_route_flush(sa_family_t, struct rtentry *);
54
55#endif /* _KERNEL */
56#endif /* !_NET_FLOWTABLE_H_ */
57