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authorDor Laor <dor.laor@qumranet.com>2007-12-16 15:19:43 +0200
committerRusty Russell <rusty@rustcorp.com.au>2008-02-04 23:50:09 +1100
commit6c0cd7c000dc0851035c5003bf9d47733d0b257b (patch)
tree571e7456cfcb79d4819a77acb068b39df0caf908 /drivers
parent2cb9c6bafc58cf4066cb15f0ac6989a1015a02cc (diff)
virtio_net: parametrize the napi_weight for virtio receive queue.
It is done in order to improve performance. Signed-off-by: Dor Laor <dor.laor@qumranet.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/virtio_net.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a61c176607f..e66de0c12fc 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -24,6 +24,9 @@
#include <linux/virtio_net.h>
#include <linux/scatterlist.h>
+static int napi_weight = 128;
+module_param(napi_weight, int, 0444);
+
static int csum = 1, gso = 1;
module_param(csum, bool, 0444);
module_param(gso, bool, 0444);
@@ -353,7 +356,7 @@ static int virtnet_probe(struct virtio_device *vdev)
/* Set up our device-specific information */
vi = netdev_priv(dev);
- netif_napi_add(dev, &vi->napi, virtnet_poll, 16);
+ netif_napi_add(dev, &vi->napi, virtnet_poll, napi_weight);
vi->dev = dev;
vi->vdev = vdev;