The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net/flowtable.h

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    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: releng/11.1/sys/net/flowtable.h 262030 2014-02-17 12:07:17Z glebius $
   29  *
   30  */
   31 
   32 #ifndef _NET_FLOWTABLE_H_
   33 #define _NET_FLOWTABLE_H_
   34 
   35 struct 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  */
   52 int flowtable_lookup(sa_family_t, struct mbuf *, struct route *);
   53 void flowtable_route_flush(sa_family_t, struct rtentry *);
   54 
   55 #endif /* _KERNEL */
   56 #endif /* !_NET_FLOWTABLE_H_ */

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