include/net/netevent.h

   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
  14 struct dst_entry;
  15 struct neighbour;
  16
  17 struct 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
  25 enum netevent_notif_type {
  26         NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
  27         NETEVENT_REDIRECT,         /* arg is struct netevent_redirect ptr */
  28 };
  29
  30 extern int register_netevent_notifier(struct notifier_block *nb);
  31 extern int unregister_netevent_notifier(struct notifier_block *nb);
  32 extern int call_netevent_notifiers(unsigned long val, void *v);
  33
  34 #endif