283 			inet_proto_csum_replace4(&tcp_hdr(skb)->check, skb,  in set_ip_addr()
289 			if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) {  in set_ip_addr()
290 				inet_proto_csum_replace4(&uh->check, skb,  in set_ip_addr()
292 				if (!uh->check)  in set_ip_addr()
293 					uh->check = CSUM_MANGLED_0;  in set_ip_addr()
298 	csum_replace4(&nh->check, *addr, new_addr);  in set_ip_addr()
310 			inet_proto_csum_replace16(&tcp_hdr(skb)->check, skb,  in update_ipv6_checksum()
316 			if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) {  in update_ipv6_checksum()
317 				inet_proto_csum_replace16(&uh->check, skb,  in update_ipv6_checksum()
319 				if (!uh->check)  in update_ipv6_checksum()
320 					uh->check = CSUM_MANGLED_0;  in update_ipv6_checksum()
363 	csum_replace2(&nh->check, htons(nh->ttl << 8), htons(new_ttl << 8));  in set_ip_ttl()
491 			__be16 new_port, __sum16 *check)  in set_tp_port()  argument
493 	inet_proto_csum_replace2(check, skb, *port, new_port, 0);  in set_tp_port()
515 	if (uh->check && skb->ip_summed != CHECKSUM_PARTIAL) {  in set_udp()
517 			set_tp_port(skb, &uh->source, src, &uh->check);  in set_udp()
521 			set_tp_port(skb, &uh->dest, dst, &uh->check);  in set_udp()
525 		if (unlikely(!uh->check))  in set_udp()
526 			uh->check = CSUM_MANGLED_0;  in set_udp()
555 		set_tp_port(skb, &th->source, src, &th->check);  in set_tcp()
560 		set_tp_port(skb, &th->dest, dst, &th->check);  in set_tcp()