Device can enable zero-copy flag when HIGHDMA is supported.
Signed-off-by: Shirley Ma <[email protected]>
---
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;
--
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