1 #ifndef _NET_EVENT_H 2 #define _NET_EVENT_H 3 4 /* 5 * Generic netevent notifiers 6 * 7 * Authors: 8 * Tom Tucker <tom@opengridcomputing.com> 9 * Steve Wise <swise@opengridcomputing.com> 10 * 11 * Changes: 12 */ 13 14 struct dst_entry; 15 struct neighbour; 16 17 struct netevent_redirect { 18 struct dst_entry *old; 19 struct dst_entry *new; 20 struct neighbour *neigh; 21 const void *daddr; 22 }; 23 24 enum netevent_notif_type { 25 NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */ 26 NETEVENT_REDIRECT, /* arg is struct netevent_redirect ptr */ 27 }; 28 29 extern int register_netevent_notifier(struct notifier_block *nb); 30 extern int unregister_netevent_notifier(struct notifier_block *nb); 31 extern int call_netevent_notifiers(unsigned long val, void *v); 32 33 #endif 34