Messages in this thread Patch in this message | | | Subject | [PATCH V5 6/6 net-next] example: enable zero-copy support in ixgbe | From | Shirley Ma <> | Date | Mon, 16 May 2011 12:42:15 -0700 |
| |
Device can enable zero-copy flag when HIGHDMA is supported.
Signed-off-by: Shirley Ma <xma@us.ibm.com> ---
drivers/net/ixgbe/ixgbe_main.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 2dce3d0..7e9e881 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -7553,6 +7553,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, netdev->vlan_features |= NETIF_F_HIGHDMA; } + /* enable zero-copy when device supports HIGHDMA */ + if (netdev->features & NETIF_F_HIGHDMA) + netdev->features |= NETIF_F_ZEROCOPY; + if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) netdev->features |= NETIF_F_LRO;
| |