RING_HAS_UNCONSUMED_REQUESTS
rc = RING_HAS_UNCONSUMED_REQUESTS(&queue->tx);
if (likely(RING_HAS_UNCONSUMED_REQUESTS(&queue->tx)))
if (likely(RING_HAS_UNCONSUMED_REQUESTS(&vif->ctrl)))
while (RING_HAS_UNCONSUMED_REQUESTS(&fedata->ring)) {
(_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \
(_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \