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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2008-04-18 05:21:42 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-07-25 04:06:01 +0200 |
| commit | a9ea3fc6f2654a7407864fec983d1671d775b5ee (patch) | |
| tree | b7c57a64bafdbb69271c33ca2d3fedf7331443f0 /drivers/net/virtio_net.c | |
| parent | virtio: fix virtio_net xmit of freed skb bug (diff) | |
| download | linux-a9ea3fc6f2654a7407864fec983d1671d775b5ee.tar.xz linux-a9ea3fc6f2654a7407864fec983d1671d775b5ee.zip | |
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 <rusty@rustcorp.com.au> (remove MTU setting)
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 06d5c43bb207..ce37a7e9541c 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -19,6 +19,7 @@ //#define DEBUG #include <linux/netdevice.h> #include <linux/etherdevice.h> +#include <linux/ethtool.h> #include <linux/module.h> #include <linux/virtio.h> #include <linux/virtio_net.h> @@ -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? */ |