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Commit 6c0cd7c0 authored by Dor Laor's avatar Dor Laor Committed by Rusty Russell
Browse files

virtio_net: parametrize the napi_weight for virtio receive queue. 



It is done in order to improve performance.

Signed-off-by: default avatarDor Laor <dor.laor@qumranet.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 2cb9c6ba

drivers/net/virtio_net.c

+4 −1
Original line number Diff line number Diff line
@@ -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;