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.
|
|
* 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 _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
|