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()
270 	struct sk_buff *segs, *seg;  in __udp_gso_segment()  local
345 	seg = segs;  in __udp_gso_segment()
346 	uh = udp_hdr(seg);  in __udp_gso_segment()
349 	skb_shinfo(seg)->tskey = skb_shinfo(gso_skb)->tskey;  in __udp_gso_segment()
350 	skb_shinfo(seg)->tx_flags |=  in __udp_gso_segment()
359 			seg->destructor = sock_wfree;  in __udp_gso_segment()
360 			seg->sk = sk;  in __udp_gso_segment()
361 			sum_truesize += seg->truesize;  in __udp_gso_segment()
364 		if (!seg->next)  in __udp_gso_segment()
370 		if (seg->ip_summed == CHECKSUM_PARTIAL)  in __udp_gso_segment()
371 			gso_reset_checksum(seg, ~check);  in __udp_gso_segment()
373 			uh->check = gso_make_checksum(seg, ~check) ? :  in __udp_gso_segment()
376 		seg = seg->next;  in __udp_gso_segment()
377 		uh = udp_hdr(seg);  in __udp_gso_segment()
381 	newlen = htons(skb_tail_pointer(seg) - skb_transport_header(seg) +  in __udp_gso_segment()
382 		       seg->data_len);  in __udp_gso_segment()
388 	if (seg->ip_summed == CHECKSUM_PARTIAL)  in __udp_gso_segment()
389 		gso_reset_checksum(seg, ~check);  in __udp_gso_segment()
391 		uh->check = gso_make_checksum(seg, ~check) ? : CSUM_MANGLED_0;  in __udp_gso_segment()