X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fxfrm4_tunnel.c;h=326845195620dd07851907fdf03d65cadb0be220;hb=95b00786f3b8fa99f53931361beeb4c10504ad87;hp=3eef06454da943e24599d5ca7051a5c6c5ae34c4;hpb=c0d56408e3ff52d635441e0f08d12164a63728cf;p=linux-2.6

diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c
index 3eef06454d..3268451956 100644
--- a/net/ipv4/xfrm4_tunnel.c
+++ b/net/ipv4/xfrm4_tunnel.c
@@ -12,18 +12,13 @@
 
 static int ipip_output(struct xfrm_state *x, struct sk_buff *skb)
 {
-	struct iphdr *iph;
-
-	iph = skb->nh.iph;
-	iph->tot_len = htons(skb->len);
-	ip_send_check(iph);
-
+	skb_push(skb, -skb_network_offset(skb));
 	return 0;
 }
 
 static int ipip_xfrm_rcv(struct xfrm_state *x, struct sk_buff *skb)
 {
-	return 0;
+	return ip_hdr(skb)->protocol;
 }
 
 static int ipip_init_state(struct xfrm_state *x)
@@ -53,20 +48,25 @@ static struct xfrm_type ipip_type = {
 	.output		= ipip_output
 };
 
+static int xfrm_tunnel_rcv(struct sk_buff *skb)
+{
+	return xfrm4_rcv_spi(skb, IPPROTO_IP, ip_hdr(skb)->saddr);
+}
+
 static int xfrm_tunnel_err(struct sk_buff *skb, u32 info)
 {
 	return -ENOENT;
 }
 
 static struct xfrm_tunnel xfrm_tunnel_handler = {
-	.handler	=	xfrm4_rcv,
+	.handler	=	xfrm_tunnel_rcv,
 	.err_handler	=	xfrm_tunnel_err,
 	.priority	=	2,
 };
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 static struct xfrm_tunnel xfrm64_tunnel_handler = {
-	.handler	=	xfrm4_rcv,
+	.handler	=	xfrm_tunnel_rcv,
 	.err_handler	=	xfrm_tunnel_err,
 	.priority	=	2,
 };
@@ -110,3 +110,4 @@ static void __exit ipip_fini(void)
 module_init(ipip_init);
 module_exit(ipip_fini);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_XFRM_TYPE(AF_INET, XFRM_PROTO_IPIP);