int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb) { int err; err = xfrm4_tunnel_check_size(skb); if (err) return err; XFRM_MODE_SKB_CB(skb)->protocol = ip_hdr(skb)->protocol; return xfrm4_extract_header(skb); }
int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb) { return xfrm4_extract_header(skb); }