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Date:   Wed, 2 Dec 2020 17:53:47 -0800
From:   Jakub Kicinski <>
To:     Vinicius Costa Gomes <>
        Michal Kubecek <>
Subject: Re: [PATCH net-next v1 1/9] ethtool: Add support for configuring
 frame preemption

On Tue,  1 Dec 2020 20:53:17 -0800 Vinicius Costa Gomes wrote:
> Frame preemption (described in IEEE 802.3br-2016) defines the concept
> of preemptible and express queues. It allows traffic from express
> queues to "interrupt" traffic from preemptible queues, which are
> "resumed" after the express traffic has finished transmitting.
> Frame preemption can only be used when both the local device and the
> link partner support it.
> Only parameters for enabling/disabling frame preemption and
> configuring the minimum fragment size are included here. Expressing
> which queues are marked as preemptible is left to mqprio/taprio, as
> having that information there should be easier on the user.
> Signed-off-by: Vinicius Costa Gomes <>

CC: Michal

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