mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
/*
|
|
* Copyright (c) 1983, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Copyright (c) 1995 John Hay. All rights reserved.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 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.
|
|
*
|
|
* @(#)table.h 5.1 (Berkeley) 6/4/85 (routed/table.h)
|
|
*
|
|
* @(#)table.h 8.1 (Berkeley) 6/5/93
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Routing table management daemon.
|
|
*/
|
|
|
|
/*
|
|
* Routing table structure; differs a bit from kernel tables.
|
|
*
|
|
* Note: the union below must agree in the first 4 members
|
|
* so the ioctl's will work.
|
|
*/
|
|
struct rthash {
|
|
struct rt_entry *rt_forw;
|
|
struct rt_entry *rt_back;
|
|
};
|
|
|
|
#ifdef RTM_ADD
|
|
#define rtentry ortentry
|
|
#endif
|
|
|
|
struct rt_entry {
|
|
struct rt_entry *rt_forw;
|
|
struct rt_entry *rt_back;
|
|
union {
|
|
struct rtentry rtu_rt;
|
|
struct rtuentry {
|
|
u_long rtu_hash;
|
|
struct sockaddr rtu_dst;
|
|
struct sockaddr rtu_router;
|
|
short rtu_rtflags; /* used by old rtioctl */
|
|
short rtu_wasted; /* XXX routed does it this way. */
|
|
int rtu_flags;
|
|
int rtu_state;
|
|
int rtu_timer;
|
|
int rtu_metric;
|
|
int rtu_ticks;
|
|
struct interface *rtu_ifp;
|
|
} rtu_entry;
|
|
} rt_rtu;
|
|
struct rt_entry *rt_clone;
|
|
};
|
|
|
|
#define rt_rt rt_rtu.rtu_entry /* pass to ioctl */
|
|
#define rt_hash rt_rtu.rtu_entry.rtu_hash /* for net or host */
|
|
#define rt_dst rt_rtu.rtu_entry.rtu_dst /* match value */
|
|
#define rt_router rt_rtu.rtu_entry.rtu_router /* who to forward to */
|
|
#define rt_flags rt_rtu.rtu_entry.rtu_flags /* kernel flags */
|
|
#define rt_timer rt_rtu.rtu_entry.rtu_timer /* for invalidation */
|
|
#define rt_state rt_rtu.rtu_entry.rtu_state /* see below */
|
|
#define rt_metric rt_rtu.rtu_entry.rtu_metric /* cost of route */
|
|
#define rt_ticks rt_rtu.rtu_entry.rtu_ticks /* time of route */
|
|
#define rt_ifp rt_rtu.rtu_entry.rtu_ifp /* interface to take */
|
|
|
|
#define ROUTEHASHSIZ 32 /* must be a power of 2 */
|
|
#define ROUTEHASHMASK (ROUTEHASHSIZ - 1)
|
|
|
|
/*
|
|
* "State" of routing table entry.
|
|
*/
|
|
#define RTS_CHANGED 0x1 /* route has been altered recently */
|
|
#define RTS_PASSIVE IFF_PASSIVE /* don't time out route */
|
|
#define RTS_INTERFACE IFF_INTERFACE /* route is for network interface */
|
|
#define RTS_REMOTE IFF_REMOTE /* route is for ``remote'' entity */
|
|
|
|
extern struct rthash nethash[ROUTEHASHSIZ];
|
|
extern struct rthash hosthash[ROUTEHASHSIZ];
|
|
struct rt_entry *rtlookup(struct sockaddr *);
|
|
struct rt_entry *rtfind(struct sockaddr *);
|
|
void rtadd(struct sockaddr *, struct sockaddr *, short, short, int);
|
|
void rtadd_clone(struct rt_entry *, struct sockaddr *, struct sockaddr *,
|
|
short, short, int);
|
|
void rtchange(struct rt_entry *, struct sockaddr *, short, short);
|
|
void rtdelete(struct rt_entry *);
|
|
int rtioctl(int, struct rtuentry *);
|
|
void rtinit(void);
|
|
|