aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/mlx4/en_tx.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 14:25:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 14:25:41 -0800
commit5fbbf5f648a9c4ef99276854f05b2255d1b004d3 (patch)
tree59c9ae762c3df2800e894001b3de58c5f1972486 /drivers/net/mlx4/en_tx.c
parentce279e6ec91c49f2c5f59f7492e19d39edbf8bbd (diff)
parent56cf391a9462a4897ea660a6af3662dda5ae8c84 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (84 commits) wimax: fix kernel-doc for debufs_dentry member of struct wimax_dev net: convert pegasus driver to net_device_ops bnx2x: Prevent eeprom set when driver is down net: switch kaweth driver to netdevops pcnet32: round off carrier watch timer i2400m/usb: wrap USB power saving in #ifdef CONFIG_PM wimax: testing for rfkill support should also test for CONFIG_RFKILL_MODULE wimax: fix kconfig interactions with rfkill and input layers wimax: fix '#ifndef CONFIG_BUG' layout to avoid warning r6040: bump release number to 0.20 r6040: warn about MAC address being unset r6040: check PHY status when bringing interface up r6040: make printks consistent with DRV_NAME gianfar: Fixup use of BUS_ID_SIZE mlx4_en: Returning real Max in get_ringparam mlx4_en: Consider inline packets on completion netdev: bfin_mac: enable bfin_mac net dev driver for BF51x qeth: convert to net_device_ops vlan: add neigh_setup dm9601: warn on invalid mac address ...
Diffstat (limited to 'drivers/net/mlx4/en_tx.c')
-rw-r--r--drivers/net/mlx4/en_tx.c59
1 files changed, 33 insertions, 26 deletions
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index ff4d75205c2..4afd5993e31 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -203,19 +203,21 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
/* Optimize the common case when there are no wraparounds */
if (likely((void *) tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) {
- if (tx_info->linear) {
- pci_unmap_single(mdev->pdev,
- (dma_addr_t) be64_to_cpu(data->addr),
+ if (!tx_info->inl) {
+ if (tx_info->linear) {
+ pci_unmap_single(mdev->pdev,
+ (dma_addr_t) be64_to_cpu(data->addr),
be32_to_cpu(data->byte_count),
PCI_DMA_TODEVICE);
- ++data;
- }
+ ++data;
+ }
- for (i = 0; i < frags; i++) {
- frag = &skb_shinfo(skb)->frags[i];
- pci_unmap_page(mdev->pdev,
- (dma_addr_t) be64_to_cpu(data[i].addr),
- frag->size, PCI_DMA_TODEVICE);
+ for (i = 0; i < frags; i++) {
+ frag = &skb_shinfo(skb)->frags[i];
+ pci_unmap_page(mdev->pdev,
+ (dma_addr_t) be64_to_cpu(data[i].addr),
+ frag->size, PCI_DMA_TODEVICE);
+ }
}
/* Stamp the freed descriptor */
for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) {
@@ -224,27 +226,29 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
}
} else {
- if ((void *) data >= end) {
- data = (struct mlx4_wqe_data_seg *)
- (ring->buf + ((void *) data - end));
- }
+ if (!tx_info->inl) {
+ if ((void *) data >= end) {
+ data = (struct mlx4_wqe_data_seg *)
+ (ring->buf + ((void *) data - end));
+ }
- if (tx_info->linear) {
- pci_unmap_single(mdev->pdev,
- (dma_addr_t) be64_to_cpu(data->addr),
+ if (tx_info->linear) {
+ pci_unmap_single(mdev->pdev,
+ (dma_addr_t) be64_to_cpu(data->addr),
be32_to_cpu(data->byte_count),
PCI_DMA_TODEVICE);
- ++data;
- }
+ ++data;
+ }
- for (i = 0; i < frags; i++) {
- /* Check for wraparound before unmapping */
- if ((void *) data >= end)
- data = (struct mlx4_wqe_data_seg *) ring->buf;
- frag = &skb_shinfo(skb)->frags[i];
- pci_unmap_page(mdev->pdev,
+ for (i = 0; i < frags; i++) {
+ /* Check for wraparound before unmapping */
+ if ((void *) data >= end)
+ data = (struct mlx4_wqe_data_seg *) ring->buf;
+ frag = &skb_shinfo(skb)->frags[i];
+ pci_unmap_page(mdev->pdev,
(dma_addr_t) be64_to_cpu(data->addr),
frag->size, PCI_DMA_TODEVICE);
+ }
}
/* Stamp the freed descriptor */
for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) {
@@ -790,8 +794,11 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
wmb();
data->byte_count = cpu_to_be32(skb_headlen(skb) - lso_header_size);
}
- } else
+ tx_info->inl = 0;
+ } else {
build_inline_wqe(tx_desc, skb, real_size, &vlan_tag, tx_ind, fragptr);
+ tx_info->inl = 1;
+ }
ring->prod += nr_txbb;