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 #ifdef __KERNEL__
  14
  15 struct dst_entry;
  16
  17 struct netevent_redirect {
  18         struct dst_entry *old;
  19         struct dst_entry *new;
  20 };
  21
  22 enum netevent_notif_type {
  23         NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
  24         NETEVENT_PMTU_UPDATE,      /* arg is struct dst_entry ptr */
  25         NETEVENT_REDIRECT,         /* arg is struct netevent_redirect ptr */
  26 };
  27
  28 extern int register_netevent_notifier(struct notifier_block *nb);
  29 extern int unregister_netevent_notifier(struct notifier_block *nb);
  30 extern int call_netevent_notifiers(unsigned long val, void *v);
  31
  32 #endif
  33 #endif