1 files changed, 12 insertions, 24 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 9ef9038d0629..17968244c399 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -71,16 +71,14 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
 
 	tmp = size * sizeof(struct mlx4_en_tx_info);
 	ring->tx_info = vmalloc(tmp);
-	if (!ring->tx_info) {
-		en_err(priv, "Failed allocating tx_info ring\n");
+	if (!ring->tx_info)
 		return -ENOMEM;
-	}
+
 	en_dbg(DRV, priv, "Allocated tx_info ring at addr:%p size:%d\n",
 		 ring->tx_info, tmp);
 
 	ring->bounce_buf = kmalloc(MAX_DESC_SIZE, GFP_KERNEL);
 	if (!ring->bounce_buf) {
-		en_err(priv, "Failed allocating bounce buffer\n");
 		err = -ENOMEM;
 		goto err_tx;
 	}
@@ -200,7 +198,6 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 				struct mlx4_en_tx_ring *ring,
 				int index, u8 owner)
 {
-	struct mlx4_en_dev *mdev = priv->mdev;
 	struct mlx4_en_tx_info *tx_info = &ring->tx_info[index];
 	struct mlx4_en_tx_desc *tx_desc = ring->buf + index * TXBB_SIZE;
 	struct mlx4_wqe_data_seg *data = (void *) tx_desc + tx_info->data_offset;
@@ -216,7 +213,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 	if (likely((void *) tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) {
 		if (!tx_info->inl) {
 			if (tx_info->linear) {
-				pci_unmap_single(mdev->pdev,
+				dma_unmap_single(priv->ddev,
 					(dma_addr_t) be64_to_cpu(data->addr),
 					 be32_to_cpu(data->byte_count),
 					 PCI_DMA_TODEVICE);
@@ -225,7 +222,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 
 			for (i = 0; i < frags; i++) {
 				frag = &skb_shinfo(skb)->frags[i];
-				pci_unmap_page(mdev->pdev,
+				dma_unmap_page(priv->ddev,
 					(dma_addr_t) be64_to_cpu(data[i].addr),
 					skb_frag_size(frag), PCI_DMA_TODEVICE);
 			}
@@ -243,7 +240,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 			}
 
 			if (tx_info->linear) {
-				pci_unmap_single(mdev->pdev,
+				dma_unmap_single(priv->ddev,
 					(dma_addr_t) be64_to_cpu(data->addr),
 					 be32_to_cpu(data->byte_count),
 					 PCI_DMA_TODEVICE);
@@ -255,7 +252,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 				if ((void *) data >= end)
 					data = ring->buf;
 				frag = &skb_shinfo(skb)->frags[i];
-				pci_unmap_page(mdev->pdev,
+				dma_unmap_page(priv->ddev,
 					(dma_addr_t) be64_to_cpu(data->addr),
 					 skb_frag_size(frag), PCI_DMA_TODEVICE);
 				++data;
@@ -587,7 +584,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
 	return skb_tx_hash(dev, skb);
 }
 
-static void mlx4_bf_copy(unsigned long *dst, unsigned long *src, unsigned bytecnt)
+static void mlx4_bf_copy(void __iomem *dst, unsigned long *src, unsigned bytecnt)
 {
 	__iowrite64_copy(dst, src, bytecnt / 8);
 }
@@ -603,8 +600,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct skb_frag_struct *frag;
 	struct mlx4_en_tx_info *tx_info;
 	struct ethhdr *ethh;
-	u64 mac;
-	u32 mac_l, mac_h;
 	int tx_ind = 0;
 	int nr_txbb;
 	int desc_size;
@@ -689,16 +684,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	/* Copy dst mac address to wqe */
-	skb_reset_mac_header(skb);
-	ethh = eth_hdr(skb);
-	if (ethh && ethh->h_dest) {
-		mac = mlx4_en_mac_to_u64(ethh->h_dest);
-		mac_h = (u32) ((mac & 0xffff00000000ULL) >> 16);
-		mac_l = (u32) (mac & 0xffffffff);
-		tx_desc->ctrl.srcrb_flags |= cpu_to_be32(mac_h);
-		tx_desc->ctrl.imm = cpu_to_be32(mac_l);
-	}
-
+	ethh = (struct ethhdr *)skb->data;
+	tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
+	tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
 	/* Handle LSO (TSO) packets */
 	if (lso_header_size) {
 		/* Mark opcode as LSO */
@@ -744,7 +732,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 		/* Map fragments */
 		for (i = skb_shinfo(skb)->nr_frags - 1; i >= 0; i--) {
 			frag = &skb_shinfo(skb)->frags[i];
-			dma = skb_frag_dma_map(&mdev->dev->pdev->dev, frag,
+			dma = skb_frag_dma_map(priv->ddev, frag,
 					       0, skb_frag_size(frag),
 					       DMA_TO_DEVICE);
 			data->addr = cpu_to_be64(dma);
@@ -756,7 +744,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 
 		/* Map linear part */
 		if (tx_info->linear) {
-			dma = pci_map_single(mdev->dev->pdev, skb->data + lso_header_size,
+			dma = dma_map_single(priv->ddev, skb->data + lso_header_size,
 					     skb_headlen(skb) - lso_header_size, PCI_DMA_TODEVICE);
 			data->addr = cpu_to_be64(dma);
 			data->lkey = cpu_to_be32(mdev->mr.key);