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

[pandora-kernel.git] / net / ipv6 / xfrm6_mode_beet.c

diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index 2e61d6d..65e6b2a 100644 (file)
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -26,10 +26,11 @@
  *     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_beet_output(struct xfrm_state *x, struct sk_buff *skb)
 {
@@ -41,15 +42,12 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
        iph = ipv6_hdr(skb);
 
        hdr_len = ip6_find_1stfragopt(skb, &prevhdr);
-       skb_set_network_header(skb,
-                              (prevhdr - x->props.header_len) - skb->data);
-       skb_set_transport_header(skb, hdr_len);
        memmove(skb->data, iph, hdr_len);
 
+       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);
 
        ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
        ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);