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Date:   Tue, 15 Dec 2020 16:51:09 -0800
From:   Jakub Kicinski <>
To:     Saeed Mahameed <>
Cc:     "David S. Miller" <>,
        Jason Gunthorpe <>,
        Leon Romanovsky <>,,, David Ahern <>,
        Jacob Keller <>,
        Sridhar Samudrala <>,,,,,
        Parav Pandit <>, Vu Pham <>,
        Saeed Mahameed <>
Subject: Re: [net-next v5 11/15] net/mlx5: SF, Add port add delete

On Tue, 15 Dec 2020 01:03:54 -0800 Saeed Mahameed wrote:
> To handle SF port management outside of the eswitch as independent
> software layer, introduce eswitch notifier APIs so that upper layer who
> wish to support sf port management in switchdev mode can perform its

Could you unpack this? What's the "upper layer" software in this

> task whenever eswitch mode is set to switchdev or before eswitch is
> disabled.

How does SF work if eswich is disabled?

> Initialize sf port table on such eswitch event.
> Add SF port add and delete functionality in switchdev mode.
> Destroy all SF ports when eswitch is disabled.
> Expose SF port add and delete to user via devlink commands.

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