netdev - Re: [PATCH 4/4] RFC: net: dsa: realtek-smi: Add Realtek SMI driver

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Message-ID: <14bbe2b4-4c8e-d6d9-3074-d0c51dd11241@egil-hjelmeland.no>
Date:   Fri, 10 Nov 2017 13:17:13 +0100
From:   Egil Hjelmeland <privat@...l-hjelmeland.no>
To:     Andrew Lunn <andrew@...n.ch>, Roman Yeryomin <roman@...em.lv>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev@...r.kernel.org,
        Antti Seppälä <a.seppala@...il.com>,
        Colin Leitner <colin.leitner@...glemail.com>,
        Gabor Juhos <juhosg@...nwrt.org>
Subject: Re: [PATCH 4/4] RFC: net: dsa: realtek-smi: Add Realtek SMI driver

On 09. nov. 2017 14:24, Andrew Lunn wrote:
> What should also be considered is who is pushing swithdev and DSA
> forward, and for what market.
> 
> Pure switchdev drivers is mostly being pushed forward for Top or Rack
> switches. Big switches, 10G, 40G, 100G ports and lots of them. L3
> routing, etc.
> 
> switchdev/DSA is mostly being pushed forward by industrial
> applications. Switches in big vehicles, trains, planes. Industrial
> plant control.
> 

Out of curiosity: Are there fundamental reasons why ToR switches don't 
use the DSA model, or is it more historical?

> 
>      Andrew
> 

Egil