igc_desc_unused
if (igc_desc_unused(tx_ring) < size)
if (igc_desc_unused(tx_ring) >= size)
u16 cleaned_count = igc_desc_unused(rx_ring);
u16 cleaned_count = igc_desc_unused(ring);
budget = igc_desc_unused(ring);
igc_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD)) {
igc_alloc_rx_buffers_zc(ring, igc_desc_unused(ring));
igc_alloc_rx_buffers(ring, igc_desc_unused(ring));
if (igc_desc_unused(tx_ring) + 1 < tx_ring->count) {
igc_alloc_rx_buffers_zc(ring, igc_desc_unused(ring));
igc_alloc_rx_buffers(ring, igc_desc_unused(ring));
if (!igc_desc_unused(ring))