From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Igor Ryzhov <iryzhov@nfware.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] kni: use kni_ethtool_ops only with unknown drivers
Date: Tue, 18 Dec 2018 18:13:45 +0000 [thread overview]
Message-ID: <7eab0eec-335a-be47-2406-9c989d13e981@intel.com> (raw)
In-Reply-To: <CAF+s_FymAB014duGBhgbyOSKvrO3RLvpWL5uAtvdUca3Miy5og@mail.gmail.com>
On 12/3/2018 2:06 PM, Igor Ryzhov wrote:
> Hi Ferruh,
>
> What about the patch?
>
> I also support dropping ethtool for ixgbe and i40e, but to save generic ethtool_ops
> with .get_link implementation, because it's an essential function that works
> correctly
> after proper implementation of carrier status that was merged into 18.11.
>
> Also, other ethtool operations may be implemented in a driver-independent way using
> the same concept as for netdev_ops.
"carrier status" relies on the sample app support also relies on kni net_device
sysfs interface.
It is good target to have ethtool support in a driver-independent way, please
share more details and lets discuss them.
>
> On Mon, Dec 3, 2018 at 4:09 PM Ferruh Yigit <ferruh.yigit@intel.com
> <mailto:ferruh.yigit@intel.com>> wrote:
>
> On 11/30/2018 11:38 PM, Stephen Hemminger wrote:
> > On Fri, 30 Nov 2018 22:47:50 +0300
> > Igor Ryzhov <iryzhov@nfware.com <mailto:iryzhov@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@nfware.com <mailto:iryzhov@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.
> >
>
next prev parent reply other threads:[~2018-12-18 18:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-30 19:29 [dpdk-dev] [PATCH] " Igor Ryzhov
2018-11-30 19:47 ` [dpdk-dev] [PATCH v2] " Igor Ryzhov
2018-11-30 23:38 ` Stephen Hemminger
2018-12-01 11:12 ` Igor Ryzhov
2018-12-01 17:31 ` Stephen Hemminger
2018-12-02 10:54 ` Igor Ryzhov
2018-12-03 19:51 ` Stephen Hemminger
2018-12-18 18:10 ` Ferruh Yigit
2018-12-03 13:09 ` Ferruh Yigit
2018-12-03 14:06 ` Igor Ryzhov
2018-12-18 18:13 ` Ferruh Yigit [this message]
2019-01-05 16:53 ` Igor Ryzhov
2018-12-18 18:04 ` Ferruh Yigit
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