e1000_desc_unused
cleaned_count = e1000_desc_unused(rx_ring);
e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
cleaned_count = e1000_desc_unused(rx_ring);
cleaned_count = e1000_desc_unused(rx_ring);
adapter->alloc_rx_buf(rx_ring, e1000_desc_unused(rx_ring), GFP_KERNEL);
(e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
if (e1000_desc_unused(tx_ring) < size)
if (e1000_desc_unused(tx_ring) >= size)