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

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
...@@ -1443,6 +1443,7 @@ struct xfrm6_tunnel { ...@@ -1443,6 +1443,7 @@ struct xfrm6_tunnel {
void xfrm_init(void); void xfrm_init(void);
void xfrm4_init(void); void xfrm4_init(void);
int xfrm_state_init(struct net *net); int xfrm_state_init(struct net *net);
void xfrm_dev_init(void);
void xfrm_state_fini(struct net *net); void xfrm_state_fini(struct net *net);
void xfrm4_state_init(void); void xfrm4_state_init(void);
void xfrm4_protocol_init(void); void xfrm4_protocol_init(void);
......
...@@ -4,7 +4,7 @@ ...@@ -4,7 +4,7 @@
obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \ obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
xfrm_input.o xfrm_output.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_STATISTICS) += xfrm_proc.o
obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o
obj-$(CONFIG_XFRM_USER) += xfrm_user.o obj-$(CONFIG_XFRM_USER) += xfrm_user.o
......
/*
* 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);
}
...@@ -2929,21 +2929,6 @@ void xfrm_policy_unregister_afinfo(const struct xfrm_policy_afinfo *afinfo) ...@@ -2929,21 +2929,6 @@ void xfrm_policy_unregister_afinfo(const struct xfrm_policy_afinfo *afinfo)
} }
EXPORT_SYMBOL(xfrm_policy_unregister_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 #ifdef CONFIG_XFRM_STATISTICS
static int __net_init xfrm_statistics_init(struct net *net) static int __net_init xfrm_statistics_init(struct net *net)
{ {
...@@ -3020,7 +3005,7 @@ static int __net_init xfrm_policy_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_hash_work, xfrm_hash_resize);
INIT_WORK(&net->xfrm.policy_hthresh.work, xfrm_hash_rebuild); INIT_WORK(&net->xfrm.policy_hthresh.work, xfrm_hash_rebuild);
if (net_eq(net, &init_net)) if (net_eq(net, &init_net))
register_netdevice_notifier(&xfrm_dev_notifier); xfrm_dev_init();
return 0; return 0;
out_bydst: out_bydst:
......
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