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Diffstat (limited to 'net/ipv6/xfrm6_mode_tunnel.c')
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 01bd7d11ea1..e79c6bdf71c 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -36,13 +36,6 @@ static inline void ip6ip_ecn_decapsulate(struct sk_buff *skb)
* The top IP header will be constructed per RFC 2401. The following fields
* in it shall be filled in by x->type->output:
* 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 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 the network header will always point to the top IP header
- * while skb->data will point to the payload.
*/
static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
@@ -53,11 +46,10 @@ static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
iph = ipv6_hdr(skb);
- skb_set_mac_header(skb, offsetof(struct ipv6hdr, nexthdr) -
- x->props.header_len);
skb_set_network_header(skb, -x->props.header_len);
- skb_set_transport_header(skb, sizeof(struct ipv6hdr) -
- x->props.header_len);
+ skb->mac_header = skb->network_header +
+ offsetof(struct ipv6hdr, nexthdr);
+ skb->transport_header = skb->network_header + sizeof(*iph);
top_iph = ipv6_hdr(skb);
top_iph->version = 6;