TCF_DRV_EN_TAG
active_tc->drv_flags |= TCF_DRV_EN_TAG;
active_tc->drv_flags &= ~TCF_DRV_EN_TAG;
if (active_tc->drv_flags & TCF_DRV_EN_TAG) {
if (!(active_tc->drv_flags & TCF_DRV_EN_TAG)) {