NETIF_F_GSO_IPIP  181 include/linux/netdev_features.h 				 NETIF_F_GSO_IPIP |			\
NETIF_F_GSO_IPIP 3572 include/linux/netdevice.h 	BUILD_BUG_ON(SKB_GSO_IPIP    != (NETIF_F_GSO_IPIP >> NETIF_F_GSO_SHIFT));