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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>
This commit is contained in:
Dor Laor 2007-12-16 15:19:43 +02:00 committed by Rusty Russell
parent 2cb9c6bafc
commit 6c0cd7c000
1 changed files with 4 additions and 1 deletions
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5
drivers/net/virtio_net.c
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@ -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;