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path: root/net/ipv6/ip6_tunnel.c
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Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index ba3b0c267f7..f39ddeae1ee 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1110,11 +1110,39 @@ ip6ip6_fb_tnl_dev_init(struct net_device *dev)
return 0;
}
+#ifdef CONFIG_INET6_TUNNEL
static struct xfrm6_tunnel ip6ip6_handler = {
- .handler = ip6ip6_rcv,
- .err_handler = ip6ip6_err,
+ .handler = ip6ip6_rcv,
+ .err_handler = ip6ip6_err,
};
+static inline int ip6ip6_register(void)
+{
+ return xfrm6_tunnel_register(&ip6ip6_handler);
+}
+
+static inline int ip6ip6_unregister(void)
+{
+ return xfrm6_tunnel_unregister(&ip6ip6_handler);
+}
+#else
+static struct inet6_protocol xfrm6_tunnel_protocol = {
+ .handler = ip6ip6_rcv,
+ .err_handler = ip6ip6_err,
+ .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
+};
+
+static inline int ip6ip6_register(void)
+{
+ return inet6_add_protocol(&xfrm6_tunnel_protocol, IPPROTO_IPV6);
+}
+
+static inline int ip6ip6_unregister(void)
+{
+ return inet6_del_protocol(&xfrm6_tunnel_protocol, IPPROTO_IPV6);
+}
+#endif
+
/**
* ip6_tunnel_init - register protocol and reserve needed resources
*
@@ -1125,7 +1153,7 @@ static int __init ip6_tunnel_init(void)
{
int err;
- if (xfrm6_tunnel_register(&ip6ip6_handler) < 0) {
+ if (ip6ip6_register() < 0) {
printk(KERN_ERR "ip6ip6 init: can't register tunnel\n");
return -EAGAIN;
}
@@ -1144,7 +1172,7 @@ static int __init ip6_tunnel_init(void)
}
return 0;
fail:
- xfrm6_tunnel_deregister(&ip6ip6_handler);
+ ip6ip6_unregister();
return err;
}
@@ -1154,7 +1182,7 @@ fail:
static void __exit ip6_tunnel_cleanup(void)
{
- if (xfrm6_tunnel_deregister(&ip6ip6_handler) < 0)
+ if (ip6ip6_unregister() < 0)
printk(KERN_INFO "ip6ip6 close: can't deregister tunnel\n");
unregister_netdev(ip6ip6_fb_tnl_dev);