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Date:   Sun, 8 Aug 2021 02:08:29 +0300
From:   Vladimir Oltean <>
To:     Oleksij Rempel <>
Cc:     Andrew Lunn <>,
        Vivien Didelot <>,
        Florian Fainelli <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Russell King <>,
        Pengutronix Kernel Team <>,,,
Subject: Re: [PATCH net-next v3 5/6] net: dsa: qca: ar9331: add bridge support

Hi Oleksij,

On Mon, Aug 02, 2021 at 03:10:36PM +0200, Oleksij Rempel wrote:
> This switch is providing forwarding matrix, with it we can configure
> individual bridges. Potentially we can configure more than one not VLAN
> based bridge on this HW.
> Signed-off-by: Oleksij Rempel <>
> Reviewed-by: Florian Fainelli <>
> ---

I don't see anywhere in this patch or in this series that the
tag_ar9331.c file is being patched to set skb->offload_fwd_mark to true
for packets sent (flooded) to the CPU that have already been forwarded
by the hardware switch. If the software bridge sees a broadcast packet
coming from your driver and it has offload_fwd_mark = false, it will
forward it a second time and the other nodes in your network will see

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