include/net/netevent.h

   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