1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _NET_EVENT_H 3 #define _NET_EVENT_H 4 5 /* 6 * Generic netevent notifiers 7 * 8 * Authors: 9 * Tom Tucker <tom@opengridcomputing.com> 10 * Steve Wise <swise@opengridcomputing.com> 11 * 12 * Changes: 13 */ 14 15 struct dst_entry; 16 struct neighbour; 17 18 struct netevent_redirect { 19 struct dst_entry *old; 20 struct dst_entry *new; 21 struct neighbour *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 NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */ 29 NETEVENT_MULTIPATH_HASH_UPDATE, /* arg is struct net ptr */ 30 }; 31 32 int register_netevent_notifier(struct notifier_block *nb); 33 int unregister_netevent_notifier(struct notifier_block *nb); 34 int call_netevent_notifiers(unsigned long val, void *v); 35 36 #endif 37