net/dcb/dcbevent.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2010, Intel Corporation.
   4  *
   5  * Author: John Fastabend <john.r.fastabend@intel.com>
   6  */
   7
   8 #include <linux/rtnetlink.h>
   9 #include <linux/notifier.h>
  10 #include <linux/export.h>
  11 #include <net/dcbevent.h>
  12
  13 static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain);
  14
  15 int register_dcbevent_notifier(struct notifier_block *nb)
  16 {
  17         return atomic_notifier_chain_register(&dcbevent_notif_chain, nb);
  18 }
  19 EXPORT_SYMBOL(register_dcbevent_notifier);
  20
  21 int unregister_dcbevent_notifier(struct notifier_block *nb)
  22 {
  23         return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb);
  24 }
  25 EXPORT_SYMBOL(unregister_dcbevent_notifier);
  26
  27 int call_dcbevent_notifiers(unsigned long val, void *v)
  28 {
  29         return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v);
  30 }