LXR linux/net/dcb/dcbevent.c

   1/*
   2 * Copyright (c) 2010, Intel Corporation.
   3 *
   4 * This program is free software; you can redistribute it and/or modify it
   5 * under the terms and conditions of the GNU General Public License,
   6 * version 2, as published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope it will be useful, but WITHOUT
   9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11 * more details.
  12 *
  13 * You should have received a copy of the GNU General Public License along with
  14 * this program; if not, see <http://www.gnu.org/licenses/>.
  15 *
  16 * Author: John Fastabend <john.r.fastabend@intel.com>
  17 */
  18
  19#include <linux/rtnetlink.h>
  20#include <linux/notifier.h>
  21#include <linux/export.h>
  22#include <net/dcbevent.h>
  23
  24static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain);
  25
  26int register_dcbevent_notifier(struct notifier_block *nb)
  27{
  28        return atomic_notifier_chain_register(&dcbevent_notif_chain, nb);
  29}
  30EXPORT_SYMBOL(register_dcbevent_notifier);
  31
  32int unregister_dcbevent_notifier(struct notifier_block *nb)
  33{
  34        return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb);
  35}
  36EXPORT_SYMBOL(unregister_dcbevent_notifier);
  37
  38int call_dcbevent_notifiers(unsigned long val, void *v)
  39{
  40        return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v);
  41}
  42