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Message-ID: <20230619115558.vqh6oedosxunwy3l@skbuf>
Date:   Mon, 19 Jun 2023 14:55:58 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     arinc9.unal@...il.com
Cc:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        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>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Russell King <linux@...linux.org.uk>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net v6 3/6] net: dsa: mt7530: fix handling of BPDUs on
 MT7530 switch

On Sat, Jun 17, 2023 at 09:26:46AM +0300, arinc9.unal@...il.com wrote:
> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> 
> BPDUs are link-local frames, therefore they must be trapped to the CPU
> port. Currently, the MT7530 switch treats BPDUs as regular multicast
> frames, therefore flooding them to user ports. To fix this, set BPDUs to be
> trapped to the CPU port. Group this on mt7530_setup() and
> mt7531_setup_common() into mt753x_trap_frames() and call that.
> 
> Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> ---

Reviewed-by: Vladimir Oltean <olteanv@...il.com>

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