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 struct notifier_block ; 18 19 struct netevent_redirect { 20 struct dst_entry *old; 21 struct dst_entry *new; 22 struct neighbour *neigh; 23 const void *daddr; 24 }; 25 26 enum netevent_notif_type { 27 NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */ 28 NETEVENT_REDIRECT, /* arg is struct netevent_redirect ptr */ 29 NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */ 30 NETEVENT_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */ 31 NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */ 32 NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */ 33 }; 34 35 int register_netevent_notifier(struct notifier_block *nb); 36 int unregister_netevent_notifier(struct notifier_block *nb); 37 int call_netevent_notifiers(unsigned long val, void *v); 38 39 #endif 40