diff options
Diffstat (limited to 'net/ipv4/xfrm4_mode_tunnel.c')
| -rw-r--r-- | net/ipv4/xfrm4_mode_tunnel.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c index 9963700e74c1..1ae9d32276f0 100644 --- a/net/ipv4/xfrm4_mode_tunnel.c +++ b/net/ipv4/xfrm4_mode_tunnel.c @@ -31,13 +31,7 @@ static inline void ipip6_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb) /* Add encapsulation header. * - * The top IP header will be constructed per RFC 2401. The following fields - * in it shall be filled in by x->type->output: - * tot_len - * check - * - * On exit, skb->h will be set to the start of the payload to be processed - * by x->type->output and skb->nh will be set to the top IP header. + * The top IP header will be constructed per RFC 2401. */ static int xfrm4_tunnel_output(struct xfrm_state *x, struct sk_buff *skb) { @@ -47,10 +41,11 @@ static int xfrm4_tunnel_output(struct xfrm_state *x, struct sk_buff *skb) int flags; iph = ip_hdr(skb); - skb->transport_header = skb->network_header; - skb_push(skb, x->props.header_len); - skb_reset_network_header(skb); + skb_set_network_header(skb, -x->props.header_len); + skb->mac_header = skb->network_header + + offsetof(struct iphdr, protocol); + skb->transport_header = skb->network_header + sizeof(*iph); top_iph = ip_hdr(skb); top_iph->ihl = 5; |