79 		struct udphdr *uh;  in __skb_udp_tunnel_segment()  local
102 		uh = udp_hdr(skb);  in __skb_udp_tunnel_segment()
103 		uh->len = htons(len);  in __skb_udp_tunnel_segment()
110 		uh->check = ~csum_fold((__force __wsum)  in __skb_udp_tunnel_segment()
111 				       ((__force u32)uh->check +  in __skb_udp_tunnel_segment()
126 			uh->check = csum_fold(skb->csum);  in __skb_udp_tunnel_segment()
127 			if (uh->check == 0)  in __skb_udp_tunnel_segment()
128 				uh->check = CSUM_MANGLED_0;  in __skb_udp_tunnel_segment()
130 			uh->check = gso_make_checksum(skb, ~uh->check);  in __skb_udp_tunnel_segment()
132 			if (uh->check == 0)  in __skb_udp_tunnel_segment()
133 				uh->check = CSUM_MANGLED_0;  in __skb_udp_tunnel_segment()
184 	struct udphdr *uh;  in udp4_ufo_fragment()  local
225 	uh = udp_hdr(skb);  in udp4_ufo_fragment()
228 	uh->check = 0;  in udp4_ufo_fragment()
230 	uh->check = udp_v4_check(skb->len, iph->saddr, iph->daddr, csum);  in udp4_ufo_fragment()
231 	if (uh->check == 0)  in udp4_ufo_fragment()
232 		uh->check = CSUM_MANGLED_0;  in udp4_ufo_fragment()
294 				 struct udphdr *uh)  in udp_gro_receive()  argument
314 		if (uo_priv->offload->port == uh->dest &&  in udp_gro_receive()
332 		if ((*(u32 *)&uh->source != *(u32 *)&uh2->source) ||  in udp_gro_receive()
333 		    (!uh->check ^ !uh2->check)) {  in udp_gro_receive()
340 	skb_gro_postpull_rcsum(skb, uh, sizeof(struct udphdr));  in udp_gro_receive()
355 	struct udphdr *uh = udp_gro_udphdr(skb);  in udp4_gro_receive()  local
357 	if (unlikely(!uh))  in udp4_gro_receive()
364 	if (skb_gro_checksum_validate_zero_check(skb, IPPROTO_UDP, uh->check,  in udp4_gro_receive()
367 	else if (uh->check)  in udp4_gro_receive()
368 		skb_gro_checksum_try_convert(skb, IPPROTO_UDP, uh->check,  in udp4_gro_receive()
372 	return udp_gro_receive(head, skb, uh);  in udp4_gro_receive()
383 	struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);  in udp_gro_complete()  local
386 	uh->len = newlen;  in udp_gro_complete()
392 		if (uo_priv->offload->port == uh->dest &&  in udp_gro_complete()
418 	struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);  in udp4_gro_complete()  local
420 	if (uh->check) {  in udp4_gro_complete()
422 		uh->check = ~udp_v4_check(skb->len - nhoff, iph->saddr,  in udp4_gro_complete()