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Date:   Thu, 3 Dec 2020 19:58:48 -0800
From:   Florian Fainelli <>
To:     Tobias Waldekranz <>,,
Subject: Re: [PATCH v3 net-next 4/4] net: dsa: tag_dsa: Support reception of
 packets from LAG devices

On 12/2/2020 1:13 AM, Tobias Waldekranz wrote:
> Packets ingressing on a LAG that egress on the CPU port, which are not
> classified as management, will have a FORWARD tag that does not
> contain the normal source device/port tuple. Instead the trunk bit
> will be set, and the port field holds the LAG id.
> Since the exact source port information is not available in the tag,
> frames are injected directly on the LAG interface and thus do never
> pass through any DSA port interface on ingress.
> Management frames (TO_CPU) are not affected and will pass through the
> DSA port interface as usual.
> Signed-off-by: Tobias Waldekranz <>

Reviewed-by: Florian Fainelli <>

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