[PATCH V5 6/6 net-next] example: enable zero-copy support in ixgbe
From: Shirley Ma <hidden>
Date: 2011-05-16 19:42:22
Also in:
kvm, lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Device can enable zero-copy flag when HIGHDMA is supported. Signed-off-by: Shirley Ma <redacted> --- 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;