drivers/net/amt.c

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