1*96b99684SJohn Fastabend /* 2*96b99684SJohn Fastabend * Copyright (c) 2010, Intel Corporation. 3*96b99684SJohn Fastabend * 4*96b99684SJohn Fastabend * This program is free software; you can redistribute it and/or modify it 5*96b99684SJohn Fastabend * under the terms and conditions of the GNU General Public License, 6*96b99684SJohn Fastabend * version 2, as published by the Free Software Foundation. 7*96b99684SJohn Fastabend * 8*96b99684SJohn Fastabend * This program is distributed in the hope it will be useful, but WITHOUT 9*96b99684SJohn Fastabend * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10*96b99684SJohn Fastabend * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11*96b99684SJohn Fastabend * more details. 12*96b99684SJohn Fastabend * 13*96b99684SJohn Fastabend * You should have received a copy of the GNU General Public License along with 14*96b99684SJohn Fastabend * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 15*96b99684SJohn Fastabend * Place - Suite 330, Boston, MA 02111-1307 USA. 16*96b99684SJohn Fastabend * 17*96b99684SJohn Fastabend * Author: John Fastabend <john.r.fastabend@intel.com> 18*96b99684SJohn Fastabend */ 19*96b99684SJohn Fastabend 20*96b99684SJohn Fastabend #include <linux/rtnetlink.h> 21*96b99684SJohn Fastabend #include <linux/notifier.h> 22*96b99684SJohn Fastabend 23*96b99684SJohn Fastabend static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain); 24*96b99684SJohn Fastabend 25*96b99684SJohn Fastabend int register_dcbevent_notifier(struct notifier_block *nb) 26*96b99684SJohn Fastabend { 27*96b99684SJohn Fastabend return atomic_notifier_chain_register(&dcbevent_notif_chain, nb); 28*96b99684SJohn Fastabend } 29*96b99684SJohn Fastabend EXPORT_SYMBOL(register_dcbevent_notifier); 30*96b99684SJohn Fastabend 31*96b99684SJohn Fastabend int unregister_dcbevent_notifier(struct notifier_block *nb) 32*96b99684SJohn Fastabend { 33*96b99684SJohn Fastabend return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb); 34*96b99684SJohn Fastabend } 35*96b99684SJohn Fastabend EXPORT_SYMBOL(unregister_dcbevent_notifier); 36*96b99684SJohn Fastabend 37*96b99684SJohn Fastabend int call_dcbevent_notifiers(unsigned long val, void *v) 38*96b99684SJohn Fastabend { 39*96b99684SJohn Fastabend return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v); 40*96b99684SJohn Fastabend } 41