53be8fca00
actual implementation. Remove the accessor functions for the compiled out case, just returning "unavail" values. Remove the kernel conditional from the header file as it is no longer needed, only leaving the externs. Hide the improperly virtualized SYSCTL/TUNABLE for the flowtable size under the kernel option as well. Reviewed by: rwatson
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/**************************************************************************
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Copyright (c) 2008-2009, 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_PORTS (1<<0) /* hash 4-tuple + protocol */
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#define FL_PCPU (1<<1) /* pcpu cache */
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struct flowtable;
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extern struct flowtable *ip_ft;
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extern struct flowtable *ip_forward_ft;
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struct flowtable *flowtable_alloc(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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int flowtable_lookup(struct flowtable *ft, struct mbuf *m,
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struct route *ro);
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#endif
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#endif
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