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 neighbour *old_neigh; 20 struct dst_entry *new; 21 struct neighbour *new_neigh; 22 const void *daddr; 23 }; 24 25 enum netevent_notif_type { 26 NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */ 27 NETEVENT_REDIRECT, /* arg is struct netevent_redirect ptr */ 28 }; 29 30 extern int register_netevent_notifier(struct notifier_block *nb); 31 extern int unregister_netevent_notifier(struct notifier_block *nb); 32 extern int call_netevent_notifiers(unsigned long val, void *v); 33 34 #endif 35