linux-kernel - Re: [PATCH v2] net: dsa: tag_mtk: add padding for tx packets

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Message-ID: <Yn0ockLQ+5x+gCfl@lunn.ch>
Date:   Thu, 12 May 2022 17:32:02 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Felix Fietkau <nbd@....name>
Cc:     Vladimir Oltean <olteanv@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: dsa: tag_mtk: add padding for tx packets

> I guess if you guys don't think the issue is worth the price of a very small
> performance hit from padding the packets, I will just have to keep this as
> an out-of-tree patch.

I'm thinking it is worth fixing, but i also wonder if your receiver
has a bug. And if it does have a bug, it will probably come back to
bite you sometime in the future.

     Andrew