[dpdk-dev] [PATCH v2] kni: use kni_ethtool_ops only with unknown drivers

[Stephen Hemminger]

On Fri, 30 Nov 2018 22:47:50 +0300
Igor Ryzhov <iryzhov at nfware.com> wrote:

> Current implementation of kni_ethtool_ops just uses corresponding
> ethtool_ops function of underlying driver for all functions except for
> .get_link. This commit sets kni->net_dev->ethtool_ops directly to the
> ethtool_ops of the corresponding driver.
> 
> For unknown drivers (all but ixgbe and i40e) we still use
> kni_ethtool_ops with implemented .get_link function.
> 
> Signed-off-by: Igor Ryzhov <iryzhov at nfware.com>

Why does KNI still support ethtool which:
  1. Only works on a subset of devices
  2. Requires a 3rd implmentation of the HW device (Linux, DPDK, and KNI)

Then again why does KNI exist at all? What is missing from virtio user which
is faster anyway.