IAVF_REQ_DESCRIPTOR_MULTIPLE
IAVF_MAX_RXD, IAVF_REQ_DESCRIPTOR_MULTIPLE);
new_tx_count = ALIGN(ring->tx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
new_rx_count = ALIGN(ring->rx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);