33 	struct iphdr *top_iph;  in xfrm4_mode_tunnel_output()  local
39 	skb->transport_header = skb->network_header + sizeof(*top_iph);  in xfrm4_mode_tunnel_output()
40 	top_iph = ip_hdr(skb);  in xfrm4_mode_tunnel_output()
42 	top_iph->ihl = 5;  in xfrm4_mode_tunnel_output()
43 	top_iph->version = 4;  in xfrm4_mode_tunnel_output()
45 	top_iph->protocol = xfrm_af2proto(skb_dst(skb)->ops->family);  in xfrm4_mode_tunnel_output()
49 		top_iph->tos = 0;  in xfrm4_mode_tunnel_output()
51 		top_iph->tos = XFRM_MODE_SKB_CB(skb)->tos;  in xfrm4_mode_tunnel_output()
52 	top_iph->tos = INET_ECN_encapsulate(top_iph->tos,  in xfrm4_mode_tunnel_output()
57 		IP_ECN_clear(top_iph);  in xfrm4_mode_tunnel_output()
59 	top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?  in xfrm4_mode_tunnel_output()
62 	top_iph->ttl = ip4_dst_hoplimit(dst->child);  in xfrm4_mode_tunnel_output()
64 	top_iph->saddr = x->props.saddr.a4;  in xfrm4_mode_tunnel_output()
65 	top_iph->daddr = x->id.daddr.a4;  in xfrm4_mode_tunnel_output()