fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
79 lines
3.2 KiB
C
79 lines
3.2 KiB
C
/*-
|
|
* Copyright (c) 2015-2016
|
|
* 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.
|
|
* 3. 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 _NET_ROUTE_VAR_H_
|
|
#define _NET_ROUTE_VAR_H_
|
|
|
|
struct rib_head {
|
|
struct radix_head head;
|
|
rn_matchaddr_f_t *rnh_matchaddr; /* longest match for sockaddr */
|
|
rn_addaddr_f_t *rnh_addaddr; /* add based on sockaddr*/
|
|
rn_deladdr_f_t *rnh_deladdr; /* remove based on sockaddr */
|
|
rn_lookup_f_t *rnh_lookup; /* exact match for sockaddr */
|
|
rn_walktree_t *rnh_walktree; /* traverse tree */
|
|
rn_walktree_from_t *rnh_walktree_from; /* traverse tree below a */
|
|
rn_close_t *rnh_close; /*do something when the last ref drops*/
|
|
rt_gen_t rnh_gen; /* generation counter */
|
|
int rnh_multipath; /* multipath capable ? */
|
|
struct radix_node rnh_nodes[3]; /* empty tree for common case */
|
|
struct rwlock rib_lock; /* config/data path lock */
|
|
struct radix_mask_head rmhead; /* masks radix head */
|
|
};
|
|
|
|
#define RIB_LOCK_INIT(rh) rw_init(&(rh)->rib_lock, "rib head lock")
|
|
#define RIB_LOCK_DESTROY(rh) rw_destroy(&(rh)->rib_lock)
|
|
#define RIB_RLOCK(rh) rw_rlock(&(rh)->rib_lock)
|
|
#define RIB_RUNLOCK(rh) rw_runlock(&(rh)->rib_lock)
|
|
#define RIB_WLOCK(rh) rw_wlock(&(rh)->rib_lock)
|
|
#define RIB_WUNLOCK(rh) rw_wunlock(&(rh)->rib_lock)
|
|
#define RIB_LOCK_ASSERT(rh) rw_assert(&(rh)->rib_lock, RA_LOCKED)
|
|
#define RIB_WLOCK_ASSERT(rh) rw_assert(&(rh)->rib_lock, RA_WLOCKED)
|
|
|
|
struct rib_head *rt_tables_get_rnh(int fib, int family);
|
|
|
|
/* rte<>nhop translation */
|
|
static inline uint16_t
|
|
fib_rte_to_nh_flags(int rt_flags)
|
|
{
|
|
uint16_t res;
|
|
|
|
res = (rt_flags & RTF_REJECT) ? NHF_REJECT : 0;
|
|
res |= (rt_flags & RTF_BLACKHOLE) ? NHF_BLACKHOLE : 0;
|
|
res |= (rt_flags & (RTF_DYNAMIC|RTF_MODIFIED)) ? NHF_REDIRECT : 0;
|
|
res |= (rt_flags & RTF_BROADCAST) ? NHF_BROADCAST : 0;
|
|
res |= (rt_flags & RTF_GATEWAY) ? NHF_GATEWAY : 0;
|
|
|
|
return (res);
|
|
}
|
|
|
|
|
|
#endif
|