NETIF_F_GSO_SIT 182 include/linux/netdev_features.h NETIF_F_GSO_SIT | \ NETIF_F_GSO_SIT 3573 include/linux/netdevice.h BUILD_BUG_ON(SKB_GSO_SIT != (NETIF_F_GSO_SIT >> NETIF_F_GSO_SHIFT));