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 _NETINET6_IN6_FIB_H_
33 #define _NETINET6_IN6_FIB_H_
34
35 /* Basic nexthop info used for uRPF/mtu checks */
36 struct nhop6_basic {
37 struct ifnet *nh_ifp; /* Logical egress interface */
38 uint16_t nh_mtu; /* nexthop mtu */
39 uint16_t nh_flags; /* nhop flags */
40 uint8_t spare[4];
41 struct in6_addr nh_addr; /* GW/DST IPv4 address */
42 };
43
44 /* Does not differ from nhop6_basic */
45 struct nhop6_extended {
46 struct ifnet *nh_ifp; /* Logical egress interface */
47 uint16_t nh_mtu; /* nexthop mtu */
48 uint16_t nh_flags; /* nhop flags */
49 uint8_t spare[4];
50 struct in6_addr nh_addr; /* GW/DST IPv6 address */
51 uint64_t spare2[2];
52 };
53
54 int fib6_lookup_nh_basic(uint32_t fibnum, const struct in6_addr *dst,
55 uint32_t scopeid, uint32_t flags, uint32_t flowid,struct nhop6_basic *pnh6);
56 int fib6_lookup_nh_ext(uint32_t fibnum, const struct in6_addr *dst,
57 uint32_t scopeid, uint32_t flags, uint32_t flowid,
58 struct nhop6_extended *pnh6);
59 void fib6_free_nh_ext(uint32_t fibnum, struct nhop6_extended *pnh6);
60 #endif
61
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