qm_sg_addr
dma_unmap_single(priv->tx_dma_dev, qm_sg_addr(&sgt[0]),
dma_unmap_page(priv->tx_dma_dev, qm_sg_addr(&sgt[i]),
sg_addr = qm_sg_addr(&sgt[i]);
sg_addr = qm_sg_addr(&sgt[j]);
dma_unmap_page(priv->rx_dma_dev, qm_sg_addr(&sgt[j]),
dma_unmap_page(priv->tx_dma_dev, qm_sg_addr(&sgt[j]),