1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #ifndef _LINUXKPI_LINUX_NOTIFIER_H_ 30 #define _LINUXKPI_LINUX_NOTIFIER_H_ 31 32 #include <sys/types.h> 33 #include <sys/eventhandler.h> 34 35 #include <linux/errno.h> 36 #include <linux/mutex.h> 37 #include <linux/rwsem.h> 38 #include <linux/srcu.h> 39 40 #define NOTIFY_DONE 0 41 #define NOTIFY_OK 0x0001 42 #define NOTIFY_STOP_MASK 0x8000 43 #define NOTIFY_BAD (NOTIFY_STOP_MASK | 0x0002) 44 45 enum { 46 NETDEV_CHANGE, 47 NETDEV_UP, 48 NETDEV_DOWN, 49 NETDEV_REGISTER, 50 NETDEV_UNREGISTER, 51 NETDEV_CHANGEADDR, 52 NETDEV_CHANGEIFADDR, 53 LINUX_NOTIFY_TAGS /* must be last */ 54 }; 55 56 struct notifier_block { 57 int (*notifier_call) (struct notifier_block *, unsigned long, void *); 58 struct notifier_block *next; 59 int priority; 60 eventhandler_tag tags[LINUX_NOTIFY_TAGS]; 61 }; 62 63 #endif /* _LINUXKPI_LINUX_NOTIFIER_H_ */ 64