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, write to the Free Software Foundation, Inc., 59 Temple
15 * Place - Suite 330, Boston, MA 02111-1307 USA.
16 *
17 * Author: John Fastabend <john.r.fastabend@intel.com>
18 */
19
20 #include <linux/rtnetlink.h>
21 #include <linux/notifier.h>
22 #include <linux/export.h>
23
24 static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain);
25
register_dcbevent_notifier(struct notifier_block * nb)26 int register_dcbevent_notifier(struct notifier_block *nb)
27 {
28 return atomic_notifier_chain_register(&dcbevent_notif_chain, nb);
29 }
30 EXPORT_SYMBOL(register_dcbevent_notifier);
31
unregister_dcbevent_notifier(struct notifier_block * nb)32 int unregister_dcbevent_notifier(struct notifier_block *nb)
33 {
34 return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb);
35 }
36 EXPORT_SYMBOL(unregister_dcbevent_notifier);
37
call_dcbevent_notifiers(unsigned long val,void * v)38 int call_dcbevent_notifiers(unsigned long val, void *v)
39 {
40 return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v);
41 }
42