tag	line	file	source code
encap	100	net/ipv4/ip_forward.c	int encap = 0;    /* Encap length */
encap	235	net/ipv4/ip_forward.c	encap=20;
encap	257	net/ipv4/ip_forward.c	if (skb->len+encap > dev2->mtu && (ntohs(iph->frag_off) & IP_DF))
encap	267	net/ipv4/ip_forward.c	if(skb_headroom(skb)-encap<dev2->hard_header_len)
encap	269	net/ipv4/ip_forward.c	skb2 = alloc_skb(dev2->hard_header_len + skb->len + encap + 15, GFP_ATOMIC);
encap	296	net/ipv4/ip_forward.c	skb_reserve(skb,(encap+dev->hard_header_len+15)&~15);  /* 16 byte aligned IP headers are good */