linux-kernel - Re: [net-next PATCH v16 10/10] net: dsa: tag_mtk: add comments about Airoha usage of this TAG

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Message-ID: <20250910083714.gfrhsco3e2q7adxt@skbuf>
Date: Wed, 10 Sep 2025 11:37:14 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Srinivas Kandagatla <srini@...nel.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"Chester A. Unal" <chester.a.unal@...nc9.com>,
	Daniel Golle <daniel@...rotopia.org>,
	DENG Qingfang <dqfext@...il.com>,
	Sean Wang <sean.wang@...iatek.com>, Simon Horman <horms@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [net-next PATCH v16 10/10] net: dsa: tag_mtk: add comments about
 Airoha usage of this TAG

On Wed, Sep 10, 2025 at 10:31:35AM +0200, Christian Marangi wrote:
> > I think it would be good to present the AN8855 tag using a different
> > string, so that libpcap knows it shouldn't decode these bits. The code
> > can be reused for now.
> >
> 
> Do you think I can implement 2 tagger in the same driver or do I need to
> make a library of this driver? Just asking what is the correct way to
> generalize it.

Look at the uses of the module_dsa_tag_drivers() macro.