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From: Simon Kagstrom <simon.kagstrom@netinsight.net>
To: netdev <netdev@vger.kernel.org>, David Miller <davem@davemloft.net>
Cc: Krishna Kumar <krkumar2@in.ibm.com>
Subject: [net-next PATCH] via-velocity: Enable scatter/gather IO by default
Date: Thu, 11 Feb 2010 16:39:55 +0100	[thread overview]
Message-ID: <20100211163955.1b1dbe2c@marrow.netinsight.se> (raw)

Reduces CPU utilization significantly with sendfile for example.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
---
Also good to have if Krishnas tcp_sendmsg optimizations,

  http://patchwork.ozlabs.org/patch/42944/

get merged.

 drivers/net/via-velocity.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 317aa34..18770ac 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -2825,7 +2825,7 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi
 	netif_napi_add(dev, &vptr->napi, velocity_poll, VELOCITY_NAPI_WEIGHT);
 
 	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER |
-		NETIF_F_HW_VLAN_RX | NETIF_F_IP_CSUM;
+		NETIF_F_HW_VLAN_RX | NETIF_F_IP_CSUM | NETIF_F_SG;
 
 	ret = register_netdev(dev);
 	if (ret < 0)
-- 
1.6.0.4


             reply	other threads:[~2010-02-11 15:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-11 15:39 Simon Kagstrom [this message]
2010-02-17  0:20 ` [net-next PATCH] via-velocity: Enable scatter/gather IO by default David Miller
2010-02-17  6:19   ` Simon Kagstrom
2010-02-17  6:23     ` David Miller
2010-02-18  0:01 ` David Miller

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