fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*-
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* Copyright (c) 2015
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* Alexander V. Chernikov <melifaro@FreeBSD.org>
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*
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* 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 REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NETINET_IN_FIB_H_
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#define _NETINET_IN_FIB_H_
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/* Basic nexthop info used for uRPF/mtu checks */
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struct nhop4_basic {
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struct ifnet *nh_ifp; /* Logical egress interface */
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uint16_t nh_mtu; /* nexthop mtu */
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uint16_t nh_flags; /* nhop flags */
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struct in_addr nh_addr; /* GW/DST IPv4 address */
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};
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/* Extended nexthop info used for control protocols */
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struct nhop4_extended {
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struct ifnet *nh_ifp; /* Logical egress interface */
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uint16_t nh_mtu; /* nexthop mtu */
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uint16_t nh_flags; /* nhop flags */
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uint8_t spare[4];
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struct in_addr nh_addr; /* GW/DST IPv4 address */
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struct in_addr nh_src; /* default source IPv4 address */
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uint64_t spare2[2];
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};
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int fib4_lookup_nh_basic(uint32_t fibnum, struct in_addr dst, uint32_t flags,
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uint32_t flowid, struct nhop4_basic *pnh4);
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int fib4_lookup_nh_ext(uint32_t fibnum, struct in_addr dst, uint32_t flags,
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uint32_t flowid, struct nhop4_extended *pnh4);
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void fib4_free_nh_ext(uint32_t fibnum, struct nhop4_extended *pnh4);
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#endif
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