commit c0d56408e3ff52d635441e0f08d12164a63728cf
author Kazunori MIYAZAWA <miyazawa@linux-ipv6.org> Tue Feb 13 12:54:47 2007 -0800
committer David S. Miller <davem@davemloft.net> Tue Feb 13 12:54:47 2007 -0800
tree 026b531a00255730e9878905fdc2e6a910f4e1c7
parent 600ff0c24bb71482e7f0da948a931d5c5d72838a

[IPSEC]: Changing API of xfrm4_tunnel_register.

This patch changes xfrm4_tunnel register and deregister
interface to prepare for solving the conflict of device
tunnels with inter address family IPsec tunnel.

Signed-off-by: Kazunori MIYAZAWA <miyazawa@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/xfrm4_tunnel.c

diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c
index 1be6762..3eef064 100644
--- a/net/ipv4/xfrm4_tunnel.c
+++ b/net/ipv4/xfrm4_tunnel.c
@@ -64,24 +64,45 @@
 	.priority	=	2,
 };
 
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+static struct xfrm_tunnel xfrm64_tunnel_handler = {
+	.handler	=	xfrm4_rcv,
+	.err_handler	=	xfrm_tunnel_err,
+	.priority	=	2,
+};
+#endif
+
 static int __init ipip_init(void)
 {
 	if (xfrm_register_type(&ipip_type, AF_INET) < 0) {
 		printk(KERN_INFO "ipip init: can't add xfrm type\n");
 		return -EAGAIN;
 	}
-	if (xfrm4_tunnel_register(&xfrm_tunnel_handler)) {
-		printk(KERN_INFO "ipip init: can't add xfrm handler\n");
+
+	if (xfrm4_tunnel_register(&xfrm_tunnel_handler, AF_INET)) {
+		printk(KERN_INFO "ipip init: can't add xfrm handler for AF_INET\n");
 		xfrm_unregister_type(&ipip_type, AF_INET);
 		return -EAGAIN;
 	}
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	if (xfrm4_tunnel_register(&xfrm64_tunnel_handler, AF_INET6)) {
+		printk(KERN_INFO "ipip init: can't add xfrm handler for AF_INET6\n");
+		xfrm4_tunnel_deregister(&xfrm_tunnel_handler, AF_INET);
+		xfrm_unregister_type(&ipip_type, AF_INET);
+		return -EAGAIN;
+	}
+#endif
 	return 0;
 }
 
 static void __exit ipip_fini(void)
 {
-	if (xfrm4_tunnel_deregister(&xfrm_tunnel_handler))
-		printk(KERN_INFO "ipip close: can't remove xfrm handler\n");
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	if (xfrm4_tunnel_deregister(&xfrm64_tunnel_handler, AF_INET6))
+		printk(KERN_INFO "ipip close: can't remove xfrm handler for AF_INET6\n");
+#endif
+	if (xfrm4_tunnel_deregister(&xfrm_tunnel_handler, AF_INET))
+		printk(KERN_INFO "ipip close: can't remove xfrm handler for AF_INET\n");
 	if (xfrm_unregister_type(&ipip_type, AF_INET) < 0)
 		printk(KERN_INFO "ipip close: can't remove xfrm type\n");
 }