bsd/net/route.h

60  *	@(#)route.h	8.3 (Berkeley) 4/19/94
61  * $FreeBSD: src/sys/net/route.h,v 1.36.2.1 2000/08/16 06:14:23 jayanth Exp $
79  * A route consists of a destination address and a reference
85 struct route {
87 	 * N.B: struct route must begin with ro_rt and ro_flags
89 	 * to a 'struct route *'.
92 	uint32_t	ro_flags;	/* route flags (see below) */
111 struct route;
122 	int32_t		rmx_expire;	/* lifetime for route, e.g. redirect */
128 	u_int32_t	rmx_pksent;	/* packets sent using this route */
149  * preferring the former if available.  For each route we infer
151  * the route was entered.  Routes that forward packets through
183 	struct	rtentry *rt_parent;	/* cloning parent of this route */
184 	uint32_t generation_id;		/* route generation id */
186 	 * See bsd/net/route.c for synchronization notes.
204 #define	RTF_UP		0x1		/* route usable */
211 #define RTF_DELCLONE	0x80		/* delete cloned route */
221 #define RTF_WASCLONED	0x20000		/* route generated through cloning */
225 #define	RTF_LOCAL	0x200000	/* route represents a local address */
226 #define	RTF_BROADCAST	0x400000	/* route represents a bcast address */
227 #define	RTF_MULTICAST	0x800000	/* route represents a mcast address */
230 #define RTF_IFREF	0x4000000	/* route holds a ref to interface */
272 	int	rtm_parentflags;	/* flags of the parent route */
297 	struct rt_reach_info rtm_ri;	/* route reachability info */
311 #define RTM_REDIRECT	0x6	/* Told to use different route */
392  * Generic call trace used by some subsystems (e.g. route, ifaddr)
502 extern void rtalloc(struct route *);
503 extern void rtalloc_scoped(struct route *, unsigned int);
504 extern void rtalloc_ign(struct route *, uint32_t);
505 extern void rtalloc_scoped_ign(struct route *, uint32_t, unsigned int);
516  * the refcount has reached zero and the route is not up.
554 extern void route_copyin(struct route *src, struct route *dst, size_t length);
555 extern void route_copyout(struct route *dst, const struct route *src, size_t length);