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

Ferruh Yigit ferruh.yigit at intel.com
Mon Dec 3 14:09:29 CET 2018

On 11/30/2018 11:38 PM, Stephen Hemminger wrote:
> 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)

+1 to drop ethtool support, last time we tried concern was anybody may be using
it, perhaps we can try again.

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

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