220 	struct udphdr *udph;  in tcf_csum_ipv4_udp()  local
231 	udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph));  in tcf_csum_ipv4_udp()
232 	if (udph == NULL)  in tcf_csum_ipv4_udp()
236 	ul = ntohs(udph->len);  in tcf_csum_ipv4_udp()
238 	if (udplite || udph->check) {  in tcf_csum_ipv4_udp()
240 		udph->check = 0;  in tcf_csum_ipv4_udp()
244 				skb->csum = csum_partial(udph, ipl - ihl, 0);  in tcf_csum_ipv4_udp()
245 			else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl))  in tcf_csum_ipv4_udp()
246 				skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv4_udp()
253 			skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv4_udp()
256 		udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,  in tcf_csum_ipv4_udp()
260 		if (!udph->check)  in tcf_csum_ipv4_udp()
261 			udph->check = CSUM_MANGLED_0;  in tcf_csum_ipv4_udp()
273 	struct udphdr *udph;  in tcf_csum_ipv6_udp()  local
284 	udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph));  in tcf_csum_ipv6_udp()
285 	if (udph == NULL)  in tcf_csum_ipv6_udp()
289 	ul = ntohs(udph->len);  in tcf_csum_ipv6_udp()
291 	udph->check = 0;  in tcf_csum_ipv6_udp()
295 			skb->csum = csum_partial(udph, ipl - ihl, 0);  in tcf_csum_ipv6_udp()
297 		else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl))  in tcf_csum_ipv6_udp()
298 			skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv6_udp()
306 		skb->csum = csum_partial(udph, ul, 0);  in tcf_csum_ipv6_udp()
309 	udph->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, ul,  in tcf_csum_ipv6_udp()
313 	if (!udph->check)  in tcf_csum_ipv6_udp()
314 		udph->check = CSUM_MANGLED_0;  in tcf_csum_ipv6_udp()