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