248 	struct udphdr *udph;  in tcf_csum_ipv4_udp()  local
262 	udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph));  in tcf_csum_ipv4_udp()
263 	if (udph == NULL)  in tcf_csum_ipv4_udp()
267 	ul = ntohs(udph->len);  in tcf_csum_ipv4_udp()
269 	if (udplite || udph->check) {  in tcf_csum_ipv4_udp()
271 		udph->check = 0;  in tcf_csum_ipv4_udp()
275 				skb->csum = csum_partial(udph, ipl - ihl, 0);  in tcf_csum_ipv4_udp()
276 			else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl))  in tcf_csum_ipv4_udp()
277 				skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv4_udp()
284 			skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv4_udp()
287 		udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,  in tcf_csum_ipv4_udp()
291 		if (!udph->check)  in tcf_csum_ipv4_udp()
292 			udph->check = CSUM_MANGLED_0;  in tcf_csum_ipv4_udp()
304 	struct udphdr *udph;  in tcf_csum_ipv6_udp()  local
318 	udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph));  in tcf_csum_ipv6_udp()
319 	if (udph == NULL)  in tcf_csum_ipv6_udp()
323 	ul = ntohs(udph->len);  in tcf_csum_ipv6_udp()
325 	udph->check = 0;  in tcf_csum_ipv6_udp()
329 			skb->csum = csum_partial(udph, ipl - ihl, 0);  in tcf_csum_ipv6_udp()
331 		else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl))  in tcf_csum_ipv6_udp()
332 			skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv6_udp()
340 		skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv6_udp()
343 	udph->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, ul,  in tcf_csum_ipv6_udp()
347 	if (!udph->check)  in tcf_csum_ipv6_udp()
348 		udph->check = CSUM_MANGLED_0;  in tcf_csum_ipv6_udp()