diff options
| author |   Ioana Ciocoi Radulescu <ruxandra.radulescu@nxp.com> | 2018-11-26 16:27:32 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-11-28 10:57:45 -0800 |
| commit | 18c2e770e65180c0cfbc70965c2421ac2a1e8fbb (patch) | |
| tree | c1248e81221999cff0e10211835ddfd0a38476f7 /drivers/net | |
| parent | dpaa2-eth: Release buffers back to pool on XDP_DROP (diff) | |
| download | linux-dev-18c2e770e65180c0cfbc70965c2421ac2a1e8fbb.tar.xz linux-dev-18c2e770e65180c0cfbc70965c2421ac2a1e8fbb.zip | |
dpaa2-eth: Map Rx buffers as bidirectional
In order to support enqueueing Rx FDs back to hardware, we need to
DMA map Rx buffers as bidirectional.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index ac4cb817ee9a..c2e880bb4015 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -87,7 +87,7 @@ static void free_rx_fd(struct dpaa2_eth_priv *priv, addr = dpaa2_sg_get_addr(&sgt[i]); sg_vaddr = dpaa2_iova_to_virt(priv->iommu_domain, addr); dma_unmap_single(dev, addr, DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); skb_free_frag(sg_vaddr); if (dpaa2_sg_is_final(&sgt[i])) @@ -145,7 +145,7 @@ static struct sk_buff *build_frag_skb(struct dpaa2_eth_priv *priv, sg_addr = dpaa2_sg_get_addr(sge); sg_vaddr = dpaa2_iova_to_virt(priv->iommu_domain, sg_addr); dma_unmap_single(dev, sg_addr, DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); sg_length = dpaa2_sg_get_len(sge); @@ -212,7 +212,7 @@ static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count) for (i = 0; i < count; i++) { vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]); dma_unmap_single(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); skb_free_frag(vaddr); } } @@ -306,7 +306,7 @@ static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv, vaddr = dpaa2_iova_to_virt(priv->iommu_domain, addr); dma_sync_single_for_cpu(dev, addr, DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); fas = dpaa2_get_fas(vaddr, false); prefetch(fas); @@ -325,13 +325,13 @@ static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv, } dma_unmap_single(dev, addr, DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); skb = build_linear_skb(ch, fd, vaddr); } else if (fd_format == dpaa2_fd_sg) { WARN_ON(priv->xdp_prog); dma_unmap_single(dev, addr, DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); skb = build_frag_skb(priv, ch, buf_data); skb_free_frag(vaddr); percpu_extras->rx_sg_frames++; @@ -865,7 +865,7 @@ static int add_bufs(struct dpaa2_eth_priv *priv, buf = PTR_ALIGN(buf, priv->rx_buf_align); addr = dma_map_single(dev, buf, DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); + DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(dev, addr))) goto err_map; |