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

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Message-ID: <20210211110942.GC1463@shell.armlinux.org.uk>
Date:   Thu, 11 Feb 2021 11:09:42 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     stefanc@...vell.com
Cc:     netdev@...r.kernel.org, thomas.petazzoni@...tlin.com,
        davem@...emloft.net, nadavh@...vell.com, ymarkman@...vell.com,
        linux-kernel@...r.kernel.org, kuba@...nel.org, mw@...ihalf.com,
        andrew@...n.ch, atenart@...nel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, sebastian.hesselbarth@...il.com,
        gregory.clement@...tlin.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v13 net-next 06/15] net: mvpp2: increase BM pool and RXQ
 size

On Thu, Feb 11, 2021 at 12:48:53PM +0200, stefanc@...vell.com wrote:
> From: Stefan Chulski <stefanc@...vell.com>
> 
> 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@...vell.com>
> Acked-by: Marcin Wojtas <mw@...ihalf.com>

Reviewed-by: Russell King <rmk+kernel@...linux.org.uk>
-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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