diff options
Diffstat (limited to 'freebsd/sys/net/route_var.h')
| -rw-r--r-- | freebsd/sys/net/route_var.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/freebsd/sys/net/route_var.h b/freebsd/sys/net/route_var.h new file mode 100644 index 00000000..a8ef56a5 --- /dev/null +++ b/freebsd/sys/net/route_var.h @@ -0,0 +1,76 @@ +/*- + * 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_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 |