616 	struct udphdr *udph;  in amt_send_discovery()  local
644 	len = hlen + tlen + sizeof(*iph) + sizeof(*udph) + sizeof(*amtd);  in amt_send_discovery()
655 	len = sizeof(*iph) + sizeof(*udph) + sizeof(*amtd);  in amt_send_discovery()
658 	amtd = skb_pull(skb, sizeof(*iph) + sizeof(*udph));  in amt_send_discovery()
663 	skb_push(skb, sizeof(*udph));  in amt_send_discovery()
665 	udph		= udp_hdr(skb);  in amt_send_discovery()
666 	udph->source	= amt->gw_port;  in amt_send_discovery()
667 	udph->dest	= amt->relay_port;  in amt_send_discovery()
668 	udph->len	= htons(sizeof(*udph) + sizeof(*amtd));  in amt_send_discovery()
669 	udph->check	= 0;  in amt_send_discovery()
672 	udph->check = csum_tcpudp_magic(amt->local_ip, amt->discovery_ip,  in amt_send_discovery()
673 					sizeof(*udph) + sizeof(*amtd),  in amt_send_discovery()
705 	struct udphdr *udph;  in amt_send_request()  local
733 	len = hlen + tlen + sizeof(*iph) + sizeof(*udph) + sizeof(*amtrh);  in amt_send_request()
744 	len = sizeof(*iph) + sizeof(*udph) + sizeof(*amtrh);  in amt_send_request()
747 	amtrh = skb_pull(skb, sizeof(*iph) + sizeof(*udph));  in amt_send_request()
754 	skb_push(skb, sizeof(*udph));  in amt_send_request()
756 	udph		= udp_hdr(skb);  in amt_send_request()
757 	udph->source	= amt->gw_port;  in amt_send_request()
758 	udph->dest	= amt->relay_port;  in amt_send_request()
759 	udph->len	= htons(sizeof(*amtrh) + sizeof(*udph));  in amt_send_request()
760 	udph->check	= 0;  in amt_send_request()
763 	udph->check = csum_tcpudp_magic(amt->local_ip, amt->remote_ip,  in amt_send_request()
764 					sizeof(*udph) + sizeof(*amtrh),  in amt_send_request()
2553 	struct udphdr *udph;  in amt_send_advertisement()  local
2581 	len = hlen + tlen + sizeof(*iph) + sizeof(*udph) + sizeof(*amta);  in amt_send_advertisement()
2592 	len = sizeof(*iph) + sizeof(*udph) + sizeof(*amta);  in amt_send_advertisement()
2595 	amta = skb_pull(skb, sizeof(*iph) + sizeof(*udph));  in amt_send_advertisement()
2601 	skb_push(skb, sizeof(*udph));  in amt_send_advertisement()
2603 	udph		= udp_hdr(skb);  in amt_send_advertisement()
2604 	udph->source	= amt->relay_port;  in amt_send_advertisement()
2605 	udph->dest	= dport;  in amt_send_advertisement()
2606 	udph->len	= htons(sizeof(*amta) + sizeof(*udph));  in amt_send_advertisement()
2607 	udph->check	= 0;  in amt_send_advertisement()
2610 	udph->check = csum_tcpudp_magic(amt->local_ip, daddr,  in amt_send_advertisement()
2611 					sizeof(*udph) + sizeof(*amta),  in amt_send_advertisement()
2640 	struct udphdr *udph;  in amt_discovery_handler()  local
2643 	if (!pskb_may_pull(skb, sizeof(*udph) + sizeof(*amtd)))  in amt_discovery_handler()
2647 	udph = udp_hdr(skb);  in amt_discovery_handler()
2653 	amt_send_advertisement(amt, amtd->nonce, iph->saddr, udph->source);  in amt_discovery_handler()
2663 	struct udphdr *udph;  in amt_request_handler()  local
2668 	if (!pskb_may_pull(skb, sizeof(*udph) + sizeof(*amtrh)))  in amt_request_handler()
2672 	udph = udp_hdr(skb);  in amt_request_handler()
2697 	tunnel->source_port = udph->source;  in amt_request_handler()