netdev - Re: [PATCH] enic: add ethtool get

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Date: Thu, 20 Jun 2024 12:58:51 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jon Kohler <jon@...anix.com>
Cc: Przemek Kitszel <przemyslaw.kitszel@...el.com>, Christian Benvenuti
 <benve@...co.com>, Satish Kharat <satishkh@...co.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Larysa
 Zaremba <larysa.zaremba@...el.com>
Subject: Re: [PATCH] enic: add ethtool get_channel support

On Thu, 20 Jun 2024 19:49:45 +0000 Jon Kohler wrote:
> > channel is a bit of an old term, think about interrupts more than
> > queues. ethtool man page has the most informative description.  
> 
> Thanks for the pointer on man ethtool - one question, Przemek had
> brought up a good point that ethtool uapi says that combined queues
> valid values start at 1; however, I don’t see anything that enforces that
> point in the code or the man page.
> 
> Should I just omit that completely from the change, since the fields
> are zero initialized anyhow?

Not sure what the comment about 1 to max is intending to communicate.
But I'd guess it trying to convey that on SET driver doesn't have to
worry about the value being crazy, if it sets max correctly.