linux/include/net/netevent.h
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   1#ifndef _NET_EVENT_H
   2#define _NET_EVENT_H
   3
   4/*
   5 *      Generic netevent notifiers
   6 *
   7 *      Authors:
   8 *      Tom Tucker              <tom@opengridcomputing.com>
   9 *      Steve Wise              <swise@opengridcomputing.com>
  10 *
  11 *      Changes:
  12 */
  13
  14struct dst_entry;
  15struct neighbour;
  16
  17struct netevent_redirect {
  18        struct dst_entry *old;
  19        struct neighbour *old_neigh;
  20        struct dst_entry *new;
  21        struct neighbour *new_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};
  29
  30extern int register_netevent_notifier(struct notifier_block *nb);
  31extern int unregister_netevent_notifier(struct notifier_block *nb);
  32extern int call_netevent_notifiers(unsigned long val, void *v);
  33
  34#endif
  35
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