358 			inet_proto_csum_replace4(&tcp_hdr(skb)->check, skb,  in update_ip_l4_checksum()
364 			if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) {  in update_ip_l4_checksum()
365 				inet_proto_csum_replace4(&uh->check, skb,  in update_ip_l4_checksum()
367 				if (!uh->check)  in update_ip_l4_checksum()
368 					uh->check = CSUM_MANGLED_0;  in update_ip_l4_checksum()
378 	csum_replace4(&nh->check, *addr, new_addr);  in set_ip_addr()
391 			inet_proto_csum_replace16(&tcp_hdr(skb)->check, skb,  in update_ipv6_checksum()
397 			if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) {  in update_ipv6_checksum()
398 				inet_proto_csum_replace16(&uh->check, skb,  in update_ipv6_checksum()
400 				if (!uh->check)  in update_ipv6_checksum()
401 					uh->check = CSUM_MANGLED_0;  in update_ipv6_checksum()
476 	csum_replace2(&nh->check, htons(nh->ttl << 8), htons(new_ttl << 8));  in set_ip_ttl()
667 			__be16 new_port, __sum16 *check)  in set_tp_port()  argument
670 	inet_proto_csum_replace2(check, skb, *port, new_port, false);  in set_tp_port()
692 	if (uh->check && skb->ip_summed != CHECKSUM_PARTIAL) {  in set_udp()
694 			set_tp_port(skb, &uh->source, src, &uh->check);  in set_udp()
698 			set_tp_port(skb, &uh->dest, dst, &uh->check);  in set_udp()
702 		if (unlikely(!uh->check))  in set_udp()
703 			uh->check = CSUM_MANGLED_0;  in set_udp()
733 		set_tp_port(skb, &th->source, src, &th->check);  in set_tcp()
738 		set_tp_port(skb, &th->dest, dst, &th->check);  in set_tcp()