Re: [PATCH v13 net-next 06/15] net: mvpp2: increase BM pool and RXQ size

From: Russell King - ARM Linux admin
Date: Thu Feb 11 2021 - 06:40:37 EST


On Thu, Feb 11, 2021 at 12:48:53PM +0200, stefanc@xxxxxxxxxxx wrote:
> From: Stefan Chulski <stefanc@xxxxxxxxxxx>
>
> BM pool and RXQ size increased to support Firmware Flow Control.
> Minimum depletion thresholds to support FC are 1024 buffers.
> BM pool size increased to 2048 to have some 1024 buffers
> space between depletion thresholds and BM pool size.
>
> Jumbo frames require a 9888B buffer, so memory requirements
> for data buffers increased from 7MB to 24MB.
>
> Signed-off-by: Stefan Chulski <stefanc@xxxxxxxxxxx>
> Acked-by: Marcin Wojtas <mw@xxxxxxxxxxxx>

Reviewed-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
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