* [PATCH V5 6/6 net-next] example: enable zero-copy support in ixgbe
@ 2011-05-16 19:42 Shirley Ma
0 siblings, 0 replies; only message in thread
From: Shirley Ma @ 2011-05-16 19:42 UTC (permalink / raw)
To: David Miller, mst, Eric Dumazet, Avi Kivity, Arnd Bergmann
Cc: netdev, kvm, linux-kernel
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;
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2011-05-16 19:42 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-05-16 19:42 [PATCH V5 6/6 net-next] example: enable zero-copy support in ixgbe Shirley Ma
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.