RMNET_FLAGS_INGRESS_MAP_CKSUMV4
if (port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV4 &&
if (port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV4)
if (port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV4) {