linux-kernel - Re: net: dsa: Realtek switch drivers

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Message-ID: <20240708142337.y5rwdxijvfnqftnh@skbuf>
Date: Mon, 8 Jul 2024 17:23:37 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Cc: "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
	"alsi@...g-olufsen.dk" <alsi@...g-olufsen.dk>,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Marek Behún <kabel@...nel.org>,
	"ericwouds@...il.com" <ericwouds@...il.com>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	"kuba@...nel.org" <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	"luizluca@...il.com" <luizluca@...il.com>,
	"justinstitt@...gle.com" <justinstitt@...gle.com>,
	"rmk+kernel@...linux.org.uk" <rmk+kernel@...linux.org.uk>,
	netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: net: dsa: Realtek switch drivers

On Fri, Jun 14, 2024 at 01:49:35AM +0000, Chris Packham wrote:
> Hi All,
> 
> I'm starting to look at some L2/L3 switches with Realtek silicon. I see 
> in the upstream kernel there are dsa drivers for a couple of simple L2 
> switches. While openwrt has support for a lot of the more advanced 
> silicon. I'm just wondering if there is a particular reason no-one has 
> attempted to upstream support for these switches? If I were to start 
> grabbing drivers from openwrt and trying to get them landed would that 
> be a problem?
> 
> Thanks,
> Chris

What do you mean by the L3 switching functionality, exactly? Offloading
of inter-VLAN routing? Or routing offload in general?