IAVF_TXRX_FLAGS_HW_TSTAMP
adapter->rx_rings[i].flags &= ~IAVF_TXRX_FLAGS_HW_TSTAMP;
adapter->rx_rings[i].flags |= IAVF_TXRX_FLAGS_HW_TSTAMP;
if (!(rx_ring->flags & IAVF_TXRX_FLAGS_HW_TSTAMP))