NETIF_F_GSO_UDP_TUNNEL_CSUM  184 include/linux/netdev_features.h 				 NETIF_F_GSO_UDP_TUNNEL_CSUM |		\
NETIF_F_GSO_UDP_TUNNEL_CSUM 3575 include/linux/netdevice.h 	BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL_CSUM != (NETIF_F_GSO_UDP_TUNNEL_CSUM >> NETIF_F_GSO_SHIFT));