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84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
/**************************************************************************
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Copyright (c) 2008-2010, BitGravity Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Neither the name of the BitGravity Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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$FreeBSD$
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***************************************************************************/
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#ifndef _NET_FLOWTABLE_H_
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#define _NET_FLOWTABLE_H_
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#ifdef _KERNEL
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#define FL_HASH_ALL (1<<0) /* hash 4-tuple + protocol */
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#define FL_PCPU (1<<1) /* pcpu cache */
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#define FL_NOAUTO (1<<2) /* don't automatically add flentry on miss */
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#define FL_IPV6 (1<<9)
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#define FL_TCP (1<<11)
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#define FL_SCTP (1<<12)
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#define FL_UDP (1<<13)
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#define FL_DEBUG (1<<14)
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#define FL_DEBUG_ALL (1<<15)
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struct flowtable;
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struct flentry;
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struct route;
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struct route_in6;
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VNET_DECLARE(struct flowtable *, ip_ft);
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#define V_ip_ft VNET(ip_ft)
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VNET_DECLARE(struct flowtable *, ip6_ft);
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#define V_ip6_ft VNET(ip6_ft)
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struct flowtable *flowtable_alloc(char *name, int nentry, int flags);
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/*
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* Given a flow table, look up the L3 and L2 information and
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* return it in the route.
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*
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*/
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struct flentry *flowtable_lookup_mbuf(struct flowtable *ft, struct mbuf *m, int af);
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struct flentry *flowtable_lookup(struct flowtable *ft, struct sockaddr_storage *ssa,
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struct sockaddr_storage *dsa, uint32_t fibnum, int flags);
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int kern_flowtable_insert(struct flowtable *ft, struct sockaddr_storage *ssa,
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struct sockaddr_storage *dsa, struct route *ro, uint32_t fibnum, int flags);
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void flow_invalidate(struct flentry *fl);
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void flowtable_route_flush(struct flowtable *ft, struct rtentry *rt);
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void flow_to_route(struct flentry *fl, struct route *ro);
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void flow_to_route_in6(struct flentry *fl, struct route_in6 *ro);
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#endif /* _KERNEL */
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#endif
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