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Date:   Fri, 22 May 2020 10:58:57 -0700
From:   Jakub Kicinski <>
To:     Igor Russkikh <>,
        Mark Starovoytov <>
Cc:     <>, "David S . Miller" <>
Subject: Re: [PATCH v2 net-next 00/12] net: atlantic: QoS implementation

On Fri, 22 May 2020 11:19:36 +0300 Igor Russkikh wrote:
> This patch series adds support for mqprio rate limiters and multi-TC:
>  * max_rate is supported on both A1 and A2;
>  * min_rate is supported on A2 only;
> This is a joint work of Mark and Dmitry.
> To implement this feature, a couple of rearrangements and code
> improvements were done, in areas of TC/ring management, allocation
> control, etc.
> One of the problems we faced is conflicting ptp functionality, which
> consumes a whole traffic class due to hardware limitations.
> Patches below have a more detailed description on how PTP and multi-TC
> co-exist right now.
> v2:
>  * accommodated review comments (-Wmissing-prototypes and
>    -Wunused-but-set-variable findings);
>  * added user notification in case of conflicting multi-TC<->PTP
>    configuration;
>  * added automatic PTP disabling, if a conflicting configuration is
>    detected;
>  * removed module param, which was used for PTP disabling in v1;
> v1:

Acked-by: Jakub Kicinski <>

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