On Wed, 30 Jul 2014, David Miller wrote:

However I wonder what value that "max" thing has, I think setting the
value to infinity is just fine, it just means every packet will be
copied.

So if we remove the 'max', we just have the copybreak itself, and you
can therefore use ethtool_value and allocate the ethtool command
numbers.

Yes, we can drop the max thing.

I will use ethtool_value and allocate new ethtool command for rx_copybreak
and send the patch soon.

Thanks