21 static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb)  in xfrm4_transport_output()  argument
23 	struct iphdr *iph = ip_hdr(skb);  in xfrm4_transport_output()
26 	skb_set_network_header(skb, -x->props.header_len);  in xfrm4_transport_output()
27 	skb->mac_header = skb->network_header +  in xfrm4_transport_output()
29 	skb->transport_header = skb->network_header + ihl;  in xfrm4_transport_output()
30 	__skb_pull(skb, ihl);  in xfrm4_transport_output()
31 	memmove(skb_network_header(skb), iph, ihl);  in xfrm4_transport_output()
43 static int xfrm4_transport_input(struct xfrm_state *x, struct sk_buff *skb)  in xfrm4_transport_input()  argument
45 	int ihl = skb->data - skb_transport_header(skb);  in xfrm4_transport_input()
47 	if (skb->transport_header != skb->network_header) {  in xfrm4_transport_input()
48 		memmove(skb_transport_header(skb),  in xfrm4_transport_input()
49 			skb_network_header(skb), ihl);  in xfrm4_transport_input()
50 		skb->network_header = skb->transport_header;  in xfrm4_transport_input()
52 	ip_hdr(skb)->tot_len = htons(skb->len + ihl);  in xfrm4_transport_input()
53 	skb_reset_transport_header(skb);  in xfrm4_transport_input()