diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2008-04-18 11:21:42 +0800 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2008-05-26 10:15:29 +1000 |
| commit | 6148cb2ba0d9560577f1b9bc63760befe8de0a40 (patch) | |
| tree | dabd6eb59dc1aa9968dc2adadffba1574037fcb9 /drivers/net | |
| parent | f5c36c69c2d4d42f201ab2f779f7e1a7fb9bf17e (diff) | |
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')
| -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 c3fc1f927fa5..55480070a1ee 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> @@ -398,6 +399,22 @@ 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; @@ -417,6 +434,7 @@ 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? */ |