From a9ea3fc6f2654a7407864fec983d1671d775b5ee Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Fri, 18 Apr 2008 11:21:42 +0800 Subject: [PATCH] virtio net: Add ethtool ops for SG/GSO This patch adds some basic ethtool operations to virtio_net so I could test SG without GSO (which was really useful because TSO turned out to be buggy :) Signed-off-by: Rusty Russell (remove MTU setting) --- drivers/net/virtio_net.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 06d5c43bb2..ce37a7e954 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -19,6 +19,7 @@ //#define DEBUG #include #include +#include #include #include #include @@ -408,6 +409,22 @@ static int virtnet_close(struct net_device *dev) return 0; } +static int virtnet_set_tx_csum(struct net_device *dev, u32 data) +{ + struct virtnet_info *vi = netdev_priv(dev); + struct virtio_device *vdev = vi->vdev; + + if (data && !virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) + return -ENOSYS; + + return ethtool_op_set_tx_hw_csum(dev, data); +} + +static struct ethtool_ops virtnet_ethtool_ops = { + .set_tx_csum = virtnet_set_tx_csum, + .set_sg = ethtool_op_set_sg, +}; + static int virtnet_probe(struct virtio_device *vdev) { int err; @@ -427,6 +444,7 @@ static int virtnet_probe(struct virtio_device *vdev) #ifdef CONFIG_NET_POLL_CONTROLLER dev->poll_controller = virtnet_netpoll; #endif + SET_ETHTOOL_OPS(dev, &virtnet_ethtool_ops); SET_NETDEV_DEV(dev, &vdev->dev); /* Do we support "hardware" checksums? */ -- 2.39.5