192 static void __udpv4_gso_segment_csum(struct sk_buff *seg,  in __udpv4_gso_segment_csum()  argument
202 	uh = udp_hdr(seg);  in __udpv4_gso_segment_csum()
203 	iph = ip_hdr(seg);  in __udpv4_gso_segment_csum()
206 		inet_proto_csum_replace4(&uh->check, seg, *oldip, *newip,  in __udpv4_gso_segment_csum()
208 		inet_proto_csum_replace2(&uh->check, seg, *oldport, *newport,  in __udpv4_gso_segment_csum()
221 	struct sk_buff *seg;  in __udpv4_gso_segment_list_csum()  local
225 	seg = segs;  in __udpv4_gso_segment_list_csum()
226 	uh = udp_hdr(seg);  in __udpv4_gso_segment_list_csum()
227 	iph = ip_hdr(seg);  in __udpv4_gso_segment_list_csum()
229 	if ((udp_hdr(seg)->dest == udp_hdr(seg->next)->dest) &&  in __udpv4_gso_segment_list_csum()
230 	    (udp_hdr(seg)->source == udp_hdr(seg->next)->source) &&  in __udpv4_gso_segment_list_csum()
231 	    (ip_hdr(seg)->daddr == ip_hdr(seg->next)->daddr) &&  in __udpv4_gso_segment_list_csum()
232 	    (ip_hdr(seg)->saddr == ip_hdr(seg->next)->saddr))  in __udpv4_gso_segment_list_csum()
235 	while ((seg = seg->next)) {  in __udpv4_gso_segment_list_csum()
236 		uh2 = udp_hdr(seg);  in __udpv4_gso_segment_list_csum()
237 		iph2 = ip_hdr(seg);  in __udpv4_gso_segment_list_csum()
239 		__udpv4_gso_segment_csum(seg,  in __udpv4_gso_segment_list_csum()
242 		__udpv4_gso_segment_csum(seg,  in __udpv4_gso_segment_list_csum()
250 static void __udpv6_gso_segment_csum(struct sk_buff *seg,  in __udpv6_gso_segment_csum()  argument
255 	struct udphdr *uh = udp_hdr(seg);  in __udpv6_gso_segment_csum()
261 		inet_proto_csum_replace16(&uh->check, seg, oldip->s6_addr32,  in __udpv6_gso_segment_csum()
264 		inet_proto_csum_replace2(&uh->check, seg, *oldport, newport,  in __udpv6_gso_segment_csum()
279 	struct sk_buff *seg;  in __udpv6_gso_segment_list_csum()  local
282 	seg = segs;  in __udpv6_gso_segment_list_csum()
283 	uh = udp_hdr(seg);  in __udpv6_gso_segment_list_csum()
284 	iph = ipv6_hdr(seg);  in __udpv6_gso_segment_list_csum()
285 	uh2 = udp_hdr(seg->next);  in __udpv6_gso_segment_list_csum()
286 	iph2 = ipv6_hdr(seg->next);  in __udpv6_gso_segment_list_csum()
293 	while ((seg = seg->next)) {  in __udpv6_gso_segment_list_csum()
294 		uh2 = udp_hdr(seg);  in __udpv6_gso_segment_list_csum()
295 		iph2 = ipv6_hdr(seg);  in __udpv6_gso_segment_list_csum()
297 		__udpv6_gso_segment_csum(seg, &iph2->saddr, &iph->saddr,  in __udpv6_gso_segment_list_csum()
299 		__udpv6_gso_segment_csum(seg, &iph2->daddr, &iph->daddr,  in __udpv6_gso_segment_list_csum()
329 	struct sk_buff *segs, *seg;  in __udp_gso_segment()  local
403 	seg = segs;  in __udp_gso_segment()
404 	uh = udp_hdr(seg);  in __udp_gso_segment()
407 	skb_shinfo(seg)->tskey = skb_shinfo(gso_skb)->tskey;  in __udp_gso_segment()
408 	skb_shinfo(seg)->tx_flags |=  in __udp_gso_segment()
417 			seg->destructor = sock_wfree;  in __udp_gso_segment()
418 			seg->sk = sk;  in __udp_gso_segment()
419 			sum_truesize += seg->truesize;  in __udp_gso_segment()
422 		if (!seg->next)  in __udp_gso_segment()
428 		if (seg->ip_summed == CHECKSUM_PARTIAL)  in __udp_gso_segment()
429 			gso_reset_checksum(seg, ~check);  in __udp_gso_segment()
431 			uh->check = gso_make_checksum(seg, ~check) ? :  in __udp_gso_segment()
434 		seg = seg->next;  in __udp_gso_segment()
435 		uh = udp_hdr(seg);  in __udp_gso_segment()
439 	newlen = htons(skb_tail_pointer(seg) - skb_transport_header(seg) +  in __udp_gso_segment()
440 		       seg->data_len);  in __udp_gso_segment()
446 	if (seg->ip_summed == CHECKSUM_PARTIAL)  in __udp_gso_segment()
447 		gso_reset_checksum(seg, ~check);  in __udp_gso_segment()
449 		uh->check = gso_make_checksum(seg, ~check) ? : CSUM_MANGLED_0;  in __udp_gso_segment()