From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: [PATCH V5 6/6 net-next] example: enable zero-copy support in ixgbe Date: Mon, 16 May 2011 12:42:15 -0700 Message-ID: <1305574935.3456.37.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: David Miller , mst@redhat.com, Eric Dumazet , Avi Kivity , Arnd Bergmann Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Device can enable zero-copy flag when HIGHDMA is supported. Signed-off-by: Shirley Ma --- 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;