taglinefilesource code
tunnel_hlen85drivers/net/new_tunnel.c#define TUNL_HLEN  (((ETH_HLEN+15)&~15)+tunnel_hlen)
tunnel_hlen228drivers/net/new_tunnel.cmax_headroom = (((tdev->hard_header_len+15)&~15)+tunnel_hlen);
tunnel_hlen235drivers/net/new_tunnel.cskb->h.iph = (struct iphdr *) skb_push(skb, tunnel_hlen);
tunnel_hlen266drivers/net/new_tunnel.cnew_skb->h.iph = (struct iphdr *) skb_push(new_skb, tunnel_hlen);
tunnel_hlen367drivers/net/new_tunnel.cdev->mtu    = 1500-tunnel_hlen;   /* eth_mtu */