Commit d67ee210 authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
Browse files

ionic: use dma range APIs 



Convert Rx datapath handling to use the DMA range APIs
in preparation for adding XDP handling.

Signed-off-by: default avatarShannon Nelson <shannon.nelson@amd.com>
Reviewed-by: default avatarBrett Creeley <brett.creeley@amd.com>
Reviewed-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 97538c14

drivers/net/ethernet/pensando/ionic/ionic_txrx.c

+6 −7
Original line number Diff line number Diff line
@@ -225,9 +225,8 @@ static struct sk_buff *ionic_rx_frags(struct ionic_queue *q, 
		frag_len = min_t(u16, len, ionic_rx_buf_size(buf_info));

		len -= frag_len;



		dma_sync_single_for_cpu(dev,

					ionic_rx_buf_pa(buf_info),

					frag_len, DMA_FROM_DEVICE);

		dma_sync_single_range_for_cpu(dev, ionic_rx_buf_pa(buf_info),

					      0, frag_len, DMA_FROM_DEVICE);



		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,

				buf_info->page, buf_info->page_offset, frag_len,
@@ -276,11 +275,11 @@ static struct sk_buff *ionic_rx_copybreak(struct ionic_queue *q, 
		return NULL;

	}



	dma_sync_single_for_cpu(dev, ionic_rx_buf_pa(buf_info),

				len, DMA_FROM_DEVICE);

	dma_sync_single_range_for_cpu(dev, ionic_rx_buf_pa(buf_info),

				      0, len, DMA_FROM_DEVICE);

	skb_copy_to_linear_data(skb, ionic_rx_buf_va(buf_info), len);

	dma_sync_single_for_device(dev, ionic_rx_buf_pa(buf_info),

				   len, DMA_FROM_DEVICE);

	dma_sync_single_range_for_device(dev, ionic_rx_buf_pa(buf_info),

					 0, len, DMA_FROM_DEVICE);



	skb_put(skb, len);

	skb->protocol = eth_type_trans(skb, q->lif->netdev);