AG71XX_DESC_SIZE
AG71XX_DESC_SIZE * ((i + 1) & ring_mask));
AG71XX_DESC_SIZE * ((i + 1) & ring_mask));
ring_size * AG71XX_DESC_SIZE,
rx->descs_cpu = ((void *)tx->descs_cpu) + tx_size * AG71XX_DESC_SIZE;
rx->descs_dma = tx->descs_dma + tx_size * AG71XX_DESC_SIZE;
dma_free_coherent(&ag->pdev->dev, ring_size * AG71XX_DESC_SIZE,
return (struct ag71xx_desc *)&ring->descs_cpu[idx * AG71XX_DESC_SIZE];