linux-kernel - Re: [PATCH v2] net: ethernet: mtk_ppe: Change PPE entries number to 16K

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Date: Thu, 27 Jun 2024 12:11:58 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Shengyu Qu <wiagn233@...look.com>, nbd@....name, sean.wang@...iatek.com,
  Mark-MC.Lee@...iatek.com, lorenzo@...nel.org, davem@...emloft.net, 
 edumazet@...gle.com, kuba@...nel.org, matthias.bgg@...il.com, 
 angelogioacchino.delregno@...labora.com, pablo@...filter.org, 
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Cc: stable@...r.kernel.org, Elad Yifee <eladwf@...il.com>
Subject: Re: [PATCH v2] net: ethernet: mtk_ppe: Change PPE entries number to
 16K

On Tue, 2024-06-25 at 19:16 +0800, Shengyu Qu wrote:
> MT7981,7986 and 7988 all supports 32768 PPE entries, and MT7621/MT7620
> supports 16384 PPE entries, but only set to 8192 entries in driver. So
> incrase max entries to 16384 instead.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Elad Yifee <eladwf@...il.com>
> Signed-off-by: Shengyu Qu <wiagn233@...look.com>
> Fixes: ba37b7caf1ed ("net: ethernet: mtk_eth_soc: add support for initializing the PPE")
> ---
> Changes since V1:
>  - Reduced max entries from 32768 to 16384 to keep compatible with MT7620/21 devices.
>  - Add fixes tag

@Sean, @Mark, @Lorenzo or @Felix, can any of you actually test this?

Thanks!

Paolo