net/dcb/dcbevent.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Copyright (c) 2010, Intel Corporation.
0004  *
0005  * Author: John Fastabend <john.r.fastabend@intel.com>
0006  */
0007
0008 #include <linux/rtnetlink.h>
0009 #include <linux/notifier.h>
0010 #include <linux/export.h>
0011 #include <net/dcbevent.h>
0012
0013 static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain);
0014
0015 int register_dcbevent_notifier(struct notifier_block *nb)
0016 {
0017     return atomic_notifier_chain_register(&dcbevent_notif_chain, nb);
0018 }
0019 EXPORT_SYMBOL(register_dcbevent_notifier);
0020
0021 int unregister_dcbevent_notifier(struct notifier_block *nb)
0022 {
0023     return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb);
0024 }
0025 EXPORT_SYMBOL(unregister_dcbevent_notifier);
0026
0027 int call_dcbevent_notifiers(unsigned long val, void *v)
0028 {
0029     return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v);
0030 }