linux-kernel - Re: [PATCH net-next 00/20] net: dsa: distribute switch events

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Date:   Mon, 22 May 2017 16:48:25 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     vivien.didelot@...oirfairelinux.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        f.fainelli@...il.com
Subject: Re: [PATCH net-next 00/20] net: dsa: distribute switch events

On Mon, May 22, 2017 at 10:45:57AM -0400, David Miller wrote:
> From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
> Date: Fri, 19 May 2017 17:00:35 -0400
> 
> > DSA is by nature the support for a switch fabric, which can be composed
> > of a single, or multiple interconnected Ethernet switch chips.
> > 
> > The current DSA core behavior is to identify the slave port targeted by
> > a request (e.g. adding a VLAN entry), and program the switch chip to
> > which it belongs accordingly.
> > 
> > This is problematic in a multi-chip environment, since all chips of a
> > fabric must be aware of most configuration changes. Here are some
> > concrete examples in a 3-chip environment:
>  ...
> > This patch series uses the notification chain introduced for bridging,
> > to notify not only bridge, but switchdev attributes and objects events
> > to all switch chips of the fabric.
> 
> Andrew or Florian, can I get a review?

Yes, it is on my TODO list for today/tomorrow.

     Andrew