netdev - Re: [PATCH] virtio_net: add more ethtool information

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Message-ID: <20091203163310.1553689e@nehalam>
Date:	Thu, 3 Dec 2009 16:33:10 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Alex Williamson <alex.williamson@...com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] virtio_net: add more ethtool information

On Fri, 4 Dec 2009 10:32:23 +1030
Rusty Russell <rusty@...tcorp.com.au> wrote:

> On Thu, 3 Dec 2009 05:02:26 pm Stephen Hemminger wrote:
> > It is useful for some tools (as well as bonding, and bridging)
> > for virtio network interface provide more ethtool information.
> 
> Hi Stephen,
> 
>     Can't see any harm.  Some minor questions below:
> 
> > 
> > Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
> > 
> > --- a/drivers/net/virtio_net.c	2009-12-01 14:24:14.766450584 -0800
> > +++ b/drivers/net/virtio_net.c	2009-12-01 16:49:18.295535415 -0800
> > @@ -763,7 +763,36 @@ static void virtnet_vlan_rx_kill_vid(str
> >  		dev_warn(&dev->dev, "Failed to kill VLAN ID %d.\n", vid);
> >  }
> >  
> > +static void virtnet_get_drvinfo(struct net_device *dev,
> > +				struct ethtool_drvinfo *info)
> > +{
> > +	struct virtnet_info *vi = netdev_priv(dev);
> > +
> > +	strcpy(info->driver, "virtnet");
> > +	strcpy(info->version, "0.1");
> > +	strcpy(info->fw_version, "N/A");
> > +	strcpy(info->bus_info, dev_driver_string(&vi->vdev->dev));
> 
> 0.1 as a version is weird.  If we need a number, "0" seems best.
> 
> > +	cmd->speed = SPEED_1000;
> 
> Why 1000?  Because it's commong?  How about a SPEED_UNLIMITED?
> 

Well until the performance is improved, that is about what I see!
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