netdev - Re: [PATCH net v2 4/5] net: ethernet: mtk_eth_soc: drop generic vlan rx offload, only use DSA untagging

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Message-ID: <20221229200736.008f5ad1@kernel.org>
Date:   Thu, 29 Dec 2022 20:07:36 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Felix Fietkau <nbd@....name>
Cc:     netdev@...r.kernel.org, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2 4/5] net: ethernet: mtk_eth_soc: drop generic
 vlan rx offload, only use DSA untagging

On Tue, 27 Dec 2022 15:08:06 +0100 Felix Fietkau wrote:
> Through testing I found out that hardware vlan rx offload support seems to
> have some hardware issues. At least when using multiple MACs and when receiving
> tagged packets on the secondary MAC, the hardware can sometimes start to emit
> wrong tags on the first MAC as well.
> 
> In order to avoid such issues, drop the feature configuration and use the
> offload feature only for DSA hardware untagging on MT7621/MT7622 devices which
> only use one MAC.

Does not apply cleanly, could you rebase and repost?