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Date:   Fri, 7 Aug 2020 15:13:23 +0200
From:   Greg Kroah-Hartman <>
To:     Saeed Mahameed <>
Cc:,,, Roi Dayan <>
Subject: Re: [PATCH 4.19] net/mlx5e: Don't support phys switch id if not in
 switchdev mode

On Thu, Aug 06, 2020 at 07:05:42PM -0700, Saeed Mahameed wrote:
> From: Roi Dayan <>
> Support for phys switch id ndo added for representors and if
> we do not have representors there is no need to support it.
> Since each port return different switch id supporting this
> block support for creating bond over PFs and attaching to bridge
> in legacy mode.
> This bug doesn't exist upstream as the code got refactored and the
> netdev api is totally different.
> Fixes: cb67b832921c ("net/mlx5e: Introduce SRIOV VF representors")
> Signed-off-by: Roi Dayan <>
> Signed-off-by: Saeed Mahameed <>
> ---
> Hi Greg,
> Sorry for submitting a non upstream patch, but this bug is
> bothering some users on 4.19-stable kernels and it doesn't exist
> upstream, so i hope you are ok with backporting this one liner patch.

Also queued up to 4.9.y and 4.14.y.


greg k-h

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