/*-
 * Copyright (c) 2010 Isilon Systems, Inc.
 * Copyright (c) 2010 iX Systems, Inc.
 * Copyright (c) 2010 Panasas, Inc.
 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _LINUXKPI_LINUX_NOTIFIER_H_
#define _LINUXKPI_LINUX_NOTIFIER_H_

#include <sys/types.h>
#include <sys/eventhandler.h>

#include <linux/errno.h>
#include <linux/mutex.h>
#include <linux/rwsem.h>
#include <linux/srcu.h>

#define NOTIFY_DONE             0
#define NOTIFY_OK               0x0001
#define NOTIFY_STOP_MASK        0x8000
#define NOTIFY_BAD              (NOTIFY_STOP_MASK | 0x0002)

enum {
        NETDEV_CHANGE,
        NETDEV_UP,
        NETDEV_DOWN,
        NETDEV_REGISTER,
        NETDEV_UNREGISTER,
        NETDEV_CHANGEADDR,
        NETDEV_CHANGEIFADDR,
        LINUX_NOTIFY_TAGS               /* must be last */
};

struct notifier_block {
        int     (*notifier_call) (struct notifier_block *, unsigned long, void *);
        struct notifier_block *next;
        int     priority;
        eventhandler_tag tags[LINUX_NOTIFY_TAGS];
};

#endif                                  /* _LINUXKPI_LINUX_NOTIFIER_H_ */