FreeBSD/Linux Kernel Cross Reference
sys/netinet/in_fib.h
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 * $FreeBSD$
30 */
31
32 #ifndef _NETINET_IN_FIB_H_
33 #define _NETINET_IN_FIB_H_
34
35 struct route_in {
36 /* common fields shared among all 'struct route' */
37 struct nhop_object *ro_nh;
38 struct llentry *ro_lle;
39 char *ro_prepend;
40 uint16_t ro_plen;
41 uint16_t ro_flags;
42 uint16_t ro_mtu; /* saved ro_rt mtu */
43 uint16_t spare;
44 /* custom sockaddr */
45 struct sockaddr_in ro_dst4;
46 };
47
48 struct rtentry;
49 struct route_nhop_data;
50
51 struct nhop_object *fib4_lookup(uint32_t fibnum, struct in_addr dst,
52 uint32_t scopeid, uint32_t flags, uint32_t flowid);
53 int fib4_check_urpf(uint32_t fibnum, struct in_addr dst, uint32_t scopeid,
54 uint32_t flags, const struct ifnet *src_if);
55 struct rtentry *fib4_lookup_rt(uint32_t fibnum, struct in_addr dst, uint32_t scopeid,
56 uint32_t flags, struct route_nhop_data *nrd);
57 struct nhop_object *fib4_lookup_debugnet(uint32_t fibnum, struct in_addr dst,
58 uint32_t scopeid, uint32_t flags);
59 uint32_t fib4_calc_software_hash(struct in_addr src, struct in_addr dst,
60 unsigned short src_port, unsigned short dst_port, char proto,
61 uint32_t *phashtype);
62 #endif
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