[IPSEC]: Store IPv6 nh pointer in mac_header on output

[linux-2.6-omap-h63xx.git] / net / ipv6 / xfrm6_mode_tunnel.c

diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 9fc95bc6509f718b675579ba037adfc5cc0a9065..3dd40af75e81718ed6d2d379fefa59bcc8f1b374 100644 (file)
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -38,10 +38,11 @@ static inline void ip6ip_ecn_decapsulate(struct sk_buff *skb)
  *     payload_len
  *
  * On exit, skb->h will be set to the start of the encapsulation header to be
- * filled in by x->type->output and skb->nh will be set to the nextheader field
- * of the extension header directly preceding the encapsulation header, or in
- * its absence, that of the top IP header.  The value of skb->data will always
- * point to the top IP header.
+ * filled in by x->type->output and the mac header will be set to the
+ * nextheader field of the extension header directly preceding the
+ * encapsulation header, or in its absence, that of the top IP header.
+ * The value of skb->data and the network header will always point to the
+ * top IP header.
  */
 static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 {
@@ -53,10 +54,10 @@ static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
        skb_push(skb, x->props.header_len);
        iph = ipv6_hdr(skb);
 
+       skb_set_mac_header(skb, offsetof(struct ipv6hdr, nexthdr));
        skb_reset_network_header(skb);
+       skb_set_transport_header(skb, sizeof(struct ipv6hdr));
        top_iph = ipv6_hdr(skb);
-       skb->transport_header = skb->network_header + sizeof(struct ipv6hdr);
-       skb->network_header   += offsetof(struct ipv6hdr, nexthdr);
 
        top_iph->version = 6;
        if (xdst->route->ops->family == AF_INET6) {