LXR linux/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
  15struct dst_entry;
  16struct neighbour;
  17
  18struct netevent_redirect {
  19        struct dst_entry *old;
  20        struct dst_entry *new;
  21        struct neighbour *neigh;
  22        const void *daddr;
  23};
  24
  25enum 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_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */
  30        NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */
  31        NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */
  32};
  33
  34int register_netevent_notifier(struct notifier_block *nb);
  35int unregister_netevent_notifier(struct notifier_block *nb);
  36int call_netevent_notifiers(unsigned long val, void *v);
  37
  38#endif
  39