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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/netinet/in_fib.h
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/*-

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 * Copyright (c) 2015

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 * 	Alexander V. Chernikov <[email protected]>

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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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#ifndef _NETINET_IN_FIB_H_

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#define	_NETINET_IN_FIB_H_

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struct route_in {

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	/* common fields shared among all 'struct route' */

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	struct nhop_object *ro_nh;

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	struct	llentry *ro_lle;

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	char		*ro_prepend;

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	uint16_t	ro_plen;

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	uint16_t	ro_flags;

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	uint16_t	ro_mtu;	/* saved ro_rt mtu */

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	uint16_t	spare;

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	/* custom sockaddr */

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	struct sockaddr_in ro_dst4;

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};

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struct rtentry;

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struct route_nhop_data;

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struct nhop_object *fib4_lookup(uint32_t fibnum, struct in_addr dst,

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    uint32_t scopeid, uint32_t flags, uint32_t flowid);

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int fib4_check_urpf(uint32_t fibnum, struct in_addr dst, uint32_t scopeid,

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    uint32_t flags, const struct ifnet *src_if);

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struct rtentry *fib4_lookup_rt(uint32_t fibnum, struct in_addr dst, uint32_t scopeid,

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    uint32_t flags, struct route_nhop_data *nrd);

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struct nhop_object *fib4_lookup_debugnet(uint32_t fibnum, struct in_addr dst,

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    uint32_t scopeid, uint32_t flags);

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uint32_t fib4_calc_software_hash(struct in_addr src, struct in_addr dst,

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    unsigned short src_port, unsigned short dst_port, char proto,

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    uint32_t *phashtype);

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#endif

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