44 строки
1.1 KiB
C
44 строки
1.1 KiB
C
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/*
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* xfrm_device.c - IPsec device offloading code.
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*
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* Copyright (c) 2015 secunet Security Networks AG
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*
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* Author:
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* Steffen Klassert <steffen.klassert@secunet.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/skbuff.h>
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <net/dst.h>
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#include <net/xfrm.h>
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#include <linux/notifier.h>
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static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
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{
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struct net_device *dev = netdev_notifier_info_to_dev(ptr);
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switch (event) {
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case NETDEV_DOWN:
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xfrm_garbage_collect(dev_net(dev));
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}
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return NOTIFY_DONE;
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}
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static struct notifier_block xfrm_dev_notifier = {
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.notifier_call = xfrm_dev_event,
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};
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void __net_init xfrm_dev_init(void)
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{
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register_netdevice_notifier(&xfrm_dev_notifier);
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}
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