GENEVE_IPV6_HLEN  954 drivers/net/geneve.c 	skb_tunnel_check_pmtu(skb, dst, GENEVE_IPV6_HLEN + info->options_len);
GENEVE_IPV6_HLEN 1527 drivers/net/geneve.c 			ldev_mtu = rt->dst.dev->mtu - GENEVE_IPV6_HLEN;