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Date:   Thu, 21 May 2020 23:38:53 +0300
From:   Igor Russkikh <>
To:     Jakub Kicinski <>,
        Mark Starovoytov <>
CC:     <>, "David S . Miller" <>,
        "Dmitry Bezrukov" <>
Subject: Re: [EXT] Re: [PATCH net-next 03/12] net: atlantic: changes for
 multi-TC support

>> Right now we really aren't sure we can dynamically rearrange
>> resources between QoS and PTP, since disabling/enabling PTP requires
>> a complete HW reconfiguration unfortunately. Even more unfortunate is
>> the fact that we can't change the TC, which is reserved for PTP,
>> because TC2 is hardcoded in firmware.
>> We would prefer to keep things as is for now, if possible. We'll
>> discuss this with HW/FW team(s) and submit a follow-up patch, if we
>> find a way to automatically choose the config.
> Module parameters are very strongly discouraged for networking drivers.
> They also constitute uAPI, and can't be changed, short-term solution
> like that is really far from ideal.

Thanks, Jakub.

Mark, Dmitry, lets try eliminating this parameter. Even if that'll cause some
limitations now - we can think how to dynamically handle these in future.


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