2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Copyright (c) 1995 John Hay. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
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23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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35 * @(#)table.h 5.1 (Berkeley) 6/4/85 (routed/table.h)
37 * @(#)table.h 8.1 (Berkeley) 6/5/93
39 * $FreeBSD: src/usr.sbin/IPXrouted/table.h,v 1.6 1999/08/28 01:15:05 peter Exp $
40 * $DragonFly: src/usr.sbin/IPXrouted/table.h,v 1.2 2003/06/17 04:29:52 dillon Exp $
44 * Routing table management daemon.
48 * Routing table structure; differs a bit from kernel tables.
50 * Note: the union below must agree in the first 4 members
51 * so the ioctl's will work.
54 struct rt_entry *rt_forw;
55 struct rt_entry *rt_back;
59 #define rtentry ortentry
63 struct rt_entry *rt_forw;
64 struct rt_entry *rt_back;
66 struct rtentry rtu_rt;
69 struct sockaddr rtu_dst;
70 struct sockaddr rtu_router;
71 short rtu_rtflags; /* used by old rtioctl */
72 short rtu_wasted; /* XXX routed does it this way. */
78 struct interface *rtu_ifp;
81 struct rt_entry *rt_clone;
84 #define rt_rt rt_rtu.rtu_entry /* pass to ioctl */
85 #define rt_hash rt_rtu.rtu_entry.rtu_hash /* for net or host */
86 #define rt_dst rt_rtu.rtu_entry.rtu_dst /* match value */
87 #define rt_router rt_rtu.rtu_entry.rtu_router /* who to forward to */
88 #define rt_flags rt_rtu.rtu_entry.rtu_flags /* kernel flags */
89 #define rt_timer rt_rtu.rtu_entry.rtu_timer /* for invalidation */
90 #define rt_state rt_rtu.rtu_entry.rtu_state /* see below */
91 #define rt_metric rt_rtu.rtu_entry.rtu_metric /* cost of route */
92 #define rt_ticks rt_rtu.rtu_entry.rtu_ticks /* time of route */
93 #define rt_ifp rt_rtu.rtu_entry.rtu_ifp /* interface to take */
95 #define ROUTEHASHSIZ 128 /* must be a power of 2 */
96 #define ROUTEHASHMASK (ROUTEHASHSIZ - 1)
99 * "State" of routing table entry.
101 #define RTS_CHANGED 0x1 /* route has been altered recently */
102 #define RTS_PASSIVE IFF_PASSIVE /* don't time out route */
103 #define RTS_INTERFACE IFF_INTERFACE /* route is for network interface */
104 #define RTS_REMOTE IFF_REMOTE /* route is for ``remote'' entity */
106 extern struct rthash nethash[ROUTEHASHSIZ];
107 struct rt_entry *rtlookup(struct sockaddr *);
108 struct rt_entry *rtfind(struct sockaddr *);
109 void rtadd(struct sockaddr *, struct sockaddr *, short, short, int);
110 void rtadd_clone(struct rt_entry *, struct sockaddr *, struct sockaddr *,
112 void rtchange(struct rt_entry *, struct sockaddr *, short, short);
113 void rtdelete(struct rt_entry *);
114 int rtioctl(int, struct rtuentry *);