net: fec: align rx data buffer size for dma map/unmap (b64bf4b7) · Commits · 戴 / test

drivers/net/ethernet/freescale/fec_main.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -1403,7 +1403,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
		index = fec_enet_get_bd_index(rxq->rx_bd_base, bdp, fep);
		data = rxq->rx_skbuff[index]->data;
		dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr,
		FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE);
		FEC_ENET_RX_FRSIZE - fep->rx_align,
		DMA_FROM_DEVICE);

		if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME)
		swap_buffer(data, pkt_len);
		@@ -1475,7 +1476,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
		}

		dma_sync_single_for_device(&fep->pdev->dev, bdp->cbd_bufaddr,
		FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE);
		FEC_ENET_RX_FRSIZE - fep->rx_align,
		DMA_FROM_DEVICE);
		rx_processing_done:
		/* Clear the status flags for this buffer */
		status &= ~BD_ENET_RX_STATS;
		@@ -2448,7 +2450,7 @@ static void fec_enet_free_buffers(struct net_device *ndev)
		if (skb) {
		dma_unmap_single(&fep->pdev->dev,
		bdp->cbd_bufaddr,
		FEC_ENET_RX_FRSIZE,
		FEC_ENET_RX_FRSIZE - fep->rx_align,
		DMA_FROM_DEVICE);
		dev_kfree_skb(skb);
		}