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Diffstat (limited to 'freebsd/sys/netinet/in_fib.h')
| -rw-r--r-- | freebsd/sys/netinet/in_fib.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/in_fib.h b/freebsd/sys/netinet/in_fib.h new file mode 100644 index 00000000..754a2e3c --- /dev/null +++ b/freebsd/sys/netinet/in_fib.h @@ -0,0 +1,61 @@ +/*- + * Copyright (c) 2015 + * Alexander V. Chernikov <melifaro@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _NETINET_IN_FIB_H_ +#define _NETINET_IN_FIB_H_ + +/* Basic nexthop info used for uRPF/mtu checks */ +struct nhop4_basic { + struct ifnet *nh_ifp; /* Logical egress interface */ + uint16_t nh_mtu; /* nexthop mtu */ + uint16_t nh_flags; /* nhop flags */ + struct in_addr nh_addr; /* GW/DST IPv4 address */ +}; + +/* Extended nexthop info used for control protocols */ +struct nhop4_extended { + struct ifnet *nh_ifp; /* Logical egress interface */ + uint16_t nh_mtu; /* nexthop mtu */ + uint16_t nh_flags; /* nhop flags */ + uint8_t spare[4]; + struct in_addr nh_addr; /* GW/DST IPv4 address */ + struct in_addr nh_src; /* default source IPv4 address */ + uint64_t spare2[2]; +}; + +int fib4_lookup_nh_basic(uint32_t fibnum, struct in_addr dst, uint32_t flags, + uint32_t flowid, struct nhop4_basic *pnh4); +int fib4_lookup_nh_ext(uint32_t fibnum, struct in_addr dst, uint32_t flags, + uint32_t flowid, struct nhop4_extended *pnh4); +void fib4_free_nh_ext(uint32_t fibnum, struct nhop4_extended *pnh4); + +#endif + |