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 
register_dcbevent_notifier(struct notifier_block * nb)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 
unregister_dcbevent_notifier(struct notifier_block * nb)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 
call_dcbevent_notifiers(unsigned long val,void * v)27 int call_dcbevent_notifiers(unsigned long val, void *v)
28 {
29 	return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v);
30 }
31