#ifndef _NET_EVENT_H #define _NET_EVENT_H struct dst_entry; struct netevent_redirect { struct dst_entry *old; struct dst_entry *new; }; enum netevent_notif_type { NETEVENT_NEIGH_UPDATE = 1, NETEVENT_REDIRECT, }; extern int register_netevent_notifier(struct notifier_block *nb); extern int unregister_netevent_notifier(struct notifier_block *nb); extern int call_netevent_notifiers(unsigned long val, void *v); #endif