netevent.c

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/*
 *  Network event notifiers
 *
 *  Authors:
 *      Tom Tucker             <[email protected]>
 *      Steve Wise             <[email protected]>
 *
 *  This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 *
 *  Fixes:
 */

#include <linux/rtnetlink.h>
#include <linux/notifier.h>
#include <linux/export.h>
#include <net/netevent.h>

static ATOMIC_NOTIFIER_HEAD(netevent_notif_chain);

int register_netevent_notifier(struct notifier_block *nb)
{
    int err;

    err = atomic_notifier_chain_register(&netevent_notif_chain, nb);
    return err;
}
EXPORT_SYMBOL_GPL(register_netevent_notifier);

int unregister_netevent_notifier(struct notifier_block *nb)
{
    return atomic_notifier_chain_unregister(&netevent_notif_chain, nb);
}
EXPORT_SYMBOL_GPL(unregister_netevent_notifier);

int call_netevent_notifiers(unsigned long val, void *v)
{
    return atomic_notifier_call_chain(&netevent_notif_chain, val, v);
}
EXPORT_SYMBOL_GPL(call_netevent_notifiers);