netdev - Re: [RFC 1/4] net: support per queue tx

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Message-Id: <20151201.212342.688373845088380112.davem@davemloft.net>
Date:	Tue, 01 Dec 2015 21:23:42 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	f.fainelli@...il.com
Cc:	kan.liang@...el.com, netdev@...r.kernel.org,
	intel-wired-lan@...ts.osuosl.org, jesse.brandeburg@...el.com,
	andi@...stfloor.org, jeffrey.t.kirsher@...el.com,
	shannon.nelson@...el.com, carolyn.wyborny@...el.com,
	donald.c.skidmore@...el.com, matthew.vick@...el.com,
	john.ronciak@...el.com, mitch.a.williams@...el.com,
	john.r.fastabend@...el.com, ogerlitz@...lanox.com,
	edumazet@...gle.com, jiri@...lanox.com, sfeldma@...il.com,
	gospo@...ulusnetworks.com, sasha.levin@...cle.com,
	dsahern@...il.com, tj@...nel.org, cascardo@...hat.com,
	corbet@....net
Subject: Re: [RFC 1/4] net: support per queue tx_usecs in sysfs

From: Florian Fainelli <f.fainelli@...il.com>
Date: Tue, 01 Dec 2015 14:13:34 -0800

> The new interface you propose makes things inconsistent, since we have
> two separate configuration paths (sysfs and ethtool), and it would seem
> better to have per-queue awareness in ethtool, since there is a whole
> bunch of other parameters that could be configured on a per-queue basis.

Agreed, we have to extend ethtool to support this, in order to provide
a consistent interface.

We could even do this by encapsulating one ethtool command within
another, the outer ethtool command says "apply the inner op to
queue(s) N".
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