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 #ifdef __KERNEL__ 14 15 struct dst_entry; 16 17 struct netevent_redirect { 18 struct dst_entry *old; 19 struct dst_entry *new; 20 }; 21 22 enum netevent_notif_type { 23 NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */ 24 NETEVENT_PMTU_UPDATE, /* arg is struct dst_entry ptr */ 25 NETEVENT_REDIRECT, /* arg is struct netevent_redirect ptr */ 26 }; 27 28 extern int register_netevent_notifier(struct notifier_block *nb); 29 extern int unregister_netevent_notifier(struct notifier_block *nb); 30 extern int call_netevent_notifiers(unsigned long val, void *v); 31 32 #endif 33 #endif 34