netdev - Re: [PATCH net-next v1 6/9] igc: Add support for tuning frame preemption via ethtool

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Message-ID: <20201205100030.2e3c5dd2@kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com>
Date:   Sat, 5 Dec 2020 10:00:30 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Vinicius Costa Gomes <vinicius.gomes@...el.com>
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        jiri@...nulli.us, m-karicheri2@...com, vladimir.oltean@....com,
        Jose.Abreu@...opsys.com, po.liu@....com,
        intel-wired-lan@...ts.osuosl.org, anthony.l.nguyen@...el.com
Subject: Re: [PATCH net-next v1 6/9] igc: Add support for tuning frame
 preemption via ethtool

On Tue,  1 Dec 2020 20:53:22 -0800 Vinicius Costa Gomes wrote:
> The tc subsystem sets which queues are marked as preemptible, it's the
> role of ethtool to control more hardware specific parameters. These
> parameters include:
> 
>  - enabling the frame preemption hardware: As enabling frame
>  preemption may have other requirements before it can be enabled, it's
>  exposed via the ethtool API;
> 
>  - mininum fragment size multiplier: expressed in usually in the form
>  of (1 + N)*64, this number indicates what's the size of the minimum
>  fragment that can be preempted.
> 
> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>

WARNING: 'PREEMPTABLE' may be misspelled - perhaps 'PREEMPTIBLE'?