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

     /**************************************************************************
     
     Copyright (c) 2008-2009, BitGravity Inc.
     All rights reserved.
     
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     modification, are permitted provided that the following conditions are met:
     
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        this list of conditions and the following disclaimer.
    
     2. Neither the name of the BitGravity Corporation nor the names of its
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        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
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    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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    $FreeBSD: releng/8.0/sys/net/flowtable.h 197810 2009-10-06 18:47:02Z qingli $
    
    ***************************************************************************/
    
    #ifndef _NET_FLOWTABLE_H_
    #define _NET_FLOWTABLE_H_
    
    #ifdef  _KERNEL
    
    #define FL_HASH_PORTS   (1<<0)  /* hash 4-tuple + protocol */
    #define FL_PCPU         (1<<1)  /* pcpu cache */
    
    struct flowtable;
    VNET_DECLARE(struct flowtable *, ip_ft);
    #define V_ip_ft                 VNET(ip_ft)
    
    struct flowtable *flowtable_alloc(int nentry, int flags);
    
    /*
     * Given a flow table, look up the L3 and L2 information and
     * return it in the route.
     *
     */
    int flowtable_lookup(struct flowtable *ft, struct mbuf *m,
        struct route *ro, uint32_t fibnum);
    
    void flowtable_route_flush(struct flowtable *ft, struct rtentry *rt);
    
    #endif /* _KERNEL */
    #endif

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