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Date:   Sat, 16 May 2020 13:37:39 -0700 (PDT)
From:   David Miller <>
Subject: Re: [next-queue RFC 0/4] ethtool: Add support for frame preemption

From: Vinicius Costa Gomes <>
Date: Fri, 15 May 2020 18:29:44 -0700

> This series adds support for configuring frame preemption, as defined
> by IEEE 802.1Q-2018 (previously IEEE 802.1Qbu) and IEEE 802.3br.
> Frame preemption allows a packet from a higher priority queue marked
> as "express" to preempt a packet from lower priority queue marked as
> "preemptible". The idea is that this can help reduce the latency for
> higher priority traffic.

Why do we need yet another name for something which is just basic
traffic prioritization and why is this configured via ethtool instead
of the "traffic classifier" which is where all of this stuff should
be done?

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