3 * Alexander V. Chernikov <melifaro@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
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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.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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32 #ifndef _NETINET_IN_FIB_H_
33 #define _NETINET_IN_FIB_H_
35 /* Basic nexthop info used for uRPF/mtu checks */
37 struct ifnet *nh_ifp; /* Logical egress interface */
38 uint16_t nh_mtu; /* nexthop mtu */
39 uint16_t nh_flags; /* nhop flags */
40 struct in_addr nh_addr; /* GW/DST IPv4 address */
43 /* Extended nexthop info used for control protocols */
44 struct nhop4_extended {
45 struct ifnet *nh_ifp; /* Logical egress interface */
46 struct in_ifaddr *nh_ia; /* Associated address */
47 uint16_t nh_mtu; /* nexthop mtu */
48 uint16_t nh_flags; /* nhop flags */
50 struct in_addr nh_addr; /* GW/DST IPv4 address */
51 struct in_addr nh_src; /* default source IPv4 address */
55 int fib4_lookup_nh_basic(uint32_t fibnum, struct in_addr dst, uint32_t flags,
56 uint32_t flowid, struct nhop4_basic *pnh4);
57 int fib4_lookup_nh_ext(uint32_t fibnum, struct in_addr dst, uint32_t flags,
58 uint32_t flowid, struct nhop4_extended *pnh4);
59 void fib4_free_nh_ext(uint32_t fibnum, struct nhop4_extended *pnh4);