62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
|
/*-
|
||
|
|
* 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
|
||
|
|
|