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Date:   Tue, 21 Jul 2020 12:21:27 -0700
From:   Jakub Kicinski <>
To:     Chi Song <>
Cc:     Stephen Hemminger <>,
        David Miller <>,
        Haiyang Zhang <>,
        KY Srinivasan <>,
        Stephen Hemminger <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [PATCH v6 net-next] net: hyperv: Add attributes to show TX
 indirection table

On Tue, 21 Jul 2020 04:58:59 +0000 Chi Song wrote:
> An imbalanced TX indirection table causes netvsc to have low
> performance. This table is created and managed during runtime. To help
> better diagnose performance issues caused by imbalanced tables, add
> device attributes to show the content of TX indirection tables.
> Signed-off-by: Chi Song <>

Sorry for waiting until v6 but sysfs feel like a very strange place to
expose this. Especially under the netdev, not the bus device.

This looks like device specific state, perhaps ethtool -d is a more
appropriate place?

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