Commit 21f42cc9 authored by Steffen Klassert's avatar Steffen Klassert
Browse files

xfrm: Move device notifications to a sepatate file 



This is needed for the upcomming IPsec device offloading.

Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent 9d389d7f

include/net/xfrm.h

+1 −0
Original line number Diff line number Diff line
@@ -1443,6 +1443,7 @@ struct xfrm6_tunnel { 
void xfrm_init(void);

void xfrm4_init(void);

int xfrm_state_init(struct net *net);

void xfrm_dev_init(void);

void xfrm_state_fini(struct net *net);

void xfrm4_state_init(void);

void xfrm4_protocol_init(void);

net/xfrm/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ 


obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \

		      xfrm_input.o xfrm_output.o \

		      xfrm_sysctl.o xfrm_replay.o

		      xfrm_sysctl.o xfrm_replay.o xfrm_device.o

obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o

obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o

obj-$(CONFIG_XFRM_USER) += xfrm_user.o

net/xfrm/xfrm_device.c

0 → 100644
+43 −0
Original line number Diff line number Diff line 
/*

 * xfrm_device.c - IPsec device offloading code.

 *

 * Copyright (c) 2015 secunet Security Networks AG

 *

 * Author:

 * Steffen Klassert <steffen.klassert@secunet.com>

 *

 * 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.

 */



#include <linux/errno.h>

#include <linux/module.h>

#include <linux/netdevice.h>

#include <linux/skbuff.h>

#include <linux/slab.h>

#include <linux/spinlock.h>

#include <net/dst.h>

#include <net/xfrm.h>

#include <linux/notifier.h>



static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)

{

	struct net_device *dev = netdev_notifier_info_to_dev(ptr);



	switch (event) {

	case NETDEV_DOWN:

		xfrm_garbage_collect(dev_net(dev));

	}

	return NOTIFY_DONE;

}



static struct notifier_block xfrm_dev_notifier = {

	.notifier_call	= xfrm_dev_event,

};



void __net_init xfrm_dev_init(void)

{

	register_netdevice_notifier(&xfrm_dev_notifier);

}

net/xfrm/xfrm_policy.c

+1 −16
Original line number Diff line number Diff line
@@ -2929,21 +2929,6 @@ void xfrm_policy_unregister_afinfo(const struct xfrm_policy_afinfo *afinfo) 
}

EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);



static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)

{

	struct net_device *dev = netdev_notifier_info_to_dev(ptr);



	switch (event) {

	case NETDEV_DOWN:

		xfrm_garbage_collect(dev_net(dev));

	}

	return NOTIFY_DONE;

}



static struct notifier_block xfrm_dev_notifier = {

	.notifier_call	= xfrm_dev_event,

};



#ifdef CONFIG_XFRM_STATISTICS

static int __net_init xfrm_statistics_init(struct net *net)

{
@@ -3020,7 +3005,7 @@ static int __net_init xfrm_policy_init(struct net *net) 
	INIT_WORK(&net->xfrm.policy_hash_work, xfrm_hash_resize);

	INIT_WORK(&net->xfrm.policy_hthresh.work, xfrm_hash_rebuild);

	if (net_eq(net, &init_net))

		register_netdevice_notifier(&xfrm_dev_notifier);

		xfrm_dev_init();

	return 0;



out_bydst: