1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _NET_EVENT_H 3*4882a593Smuzhiyun #define _NET_EVENT_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * Generic netevent notifiers 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Authors: 9*4882a593Smuzhiyun * Tom Tucker <tom@opengridcomputing.com> 10*4882a593Smuzhiyun * Steve Wise <swise@opengridcomputing.com> 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Changes: 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct dst_entry; 16*4882a593Smuzhiyun struct neighbour; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct netevent_redirect { 19*4882a593Smuzhiyun struct dst_entry *old; 20*4882a593Smuzhiyun struct dst_entry *new; 21*4882a593Smuzhiyun struct neighbour *neigh; 22*4882a593Smuzhiyun const void *daddr; 23*4882a593Smuzhiyun }; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun enum netevent_notif_type { 26*4882a593Smuzhiyun NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */ 27*4882a593Smuzhiyun NETEVENT_REDIRECT, /* arg is struct netevent_redirect ptr */ 28*4882a593Smuzhiyun NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */ 29*4882a593Smuzhiyun NETEVENT_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */ 30*4882a593Smuzhiyun NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */ 31*4882a593Smuzhiyun NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */ 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun int register_netevent_notifier(struct notifier_block *nb); 35*4882a593Smuzhiyun int unregister_netevent_notifier(struct notifier_block *nb); 36*4882a593Smuzhiyun int call_netevent_notifiers(unsigned long val, void *v); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #endif 39