1/*-
2 * Copyright (c) 2015
3 * 	Alexander V. Chernikov <melifaro@FreeBSD.org>
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef _NETINET_IN_FIB_H_
31#define	_NETINET_IN_FIB_H_
32
33struct route_in {
34	/* common fields shared among all 'struct route' */
35	struct nhop_object *ro_nh;
36	struct	llentry *ro_lle;
37	char		*ro_prepend;
38	uint16_t	ro_plen;
39	uint16_t	ro_flags;
40	uint16_t	ro_mtu;	/* saved ro_rt mtu */
41	uint16_t	spare;
42	/* custom sockaddr */
43	struct sockaddr_in ro_dst4;
44};
45
46struct rtentry;
47struct route_nhop_data;
48
49struct nhop_object *fib4_lookup(uint32_t fibnum, struct in_addr dst,
50    uint32_t scopeid, uint32_t flags, uint32_t flowid);
51int fib4_check_urpf(uint32_t fibnum, struct in_addr dst, uint32_t scopeid,
52    uint32_t flags, const struct ifnet *src_if);
53struct rtentry *fib4_lookup_rt(uint32_t fibnum, struct in_addr dst, uint32_t scopeid,
54    uint32_t flags, struct route_nhop_data *nrd);
55struct nhop_object *fib4_lookup_debugnet(uint32_t fibnum, struct in_addr dst,
56    uint32_t scopeid, uint32_t flags);
57uint32_t fib4_calc_software_hash(struct in_addr src, struct in_addr dst,
58    unsigned short src_port, unsigned short dst_port, char proto,
59    uint32_t *phashtype);
60#endif
61