#ifndef _NET_EVENT_H#define _NET_EVENT_H /* *	Generic netevent notifiers * *	Authors: *      Tom Tucker              <tom@opengridcomputing.com> *      Steve Wise              <swise@opengridcomputing.com> * * 	Changes: */ struct dst_entry;struct neighbour; struct netevent_redirect {	struct dst_entry *old;	struct dst_entry *new;	struct neighbour *neigh;	const void *daddr;}; enum netevent_notif_type {	NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */	NETEVENT_REDIRECT,	   /* arg is struct netevent_redirect ptr */	NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */}; int register_netevent_notifier(struct notifier_block *nb);int unregister_netevent_notifier(struct notifier_block *nb);int call_netevent_notifiers(unsigned long val, void *v); #endif