// SPDX-License-Identifier: GPL-2.0-only/* * Copyright (c) 2010, Intel Corporation. * * Author: John Fastabend <john.r.fastabend@intel.com> */ #include <linux/rtnetlink.h>#include <linux/notifier.h>#include <linux/export.h>#include <net/dcbevent.h> static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain); int register_dcbevent_notifier(struct notifier_block *nb){	return atomic_notifier_chain_register(&dcbevent_notif_chain, nb);}EXPORT_SYMBOL(register_dcbevent_notifier); int unregister_dcbevent_notifier(struct notifier_block *nb){	return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb);}EXPORT_SYMBOL(unregister_dcbevent_notifier); int call_dcbevent_notifiers(unsigned long val, void *v){	return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v);}