linux-kernel - Re: [PATCH] net: dsa: tag_ocelot

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Message-ID: <fe505333-7579-4470-852d-6fddd20197ab@lunn.ch>
Date: Wed, 11 Dec 2024 14:34:02 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Robert Hodaszi <robert.hodaszi@...i.com>
Cc: netdev@...r.kernel.org, vladimir.oltean@....com, claudiu.manoil@....com,
	alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, horms@...nel.org, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] net: dsa: tag_ocelot_8021q: fix broken reception

On Wed, Dec 11, 2024 at 01:46:56PM +0100, Robert Hodaszi wrote:
> Commit dcfe7673787b4bfea2c213df443d312aa754757b ("net: dsa: tag_sja1105:
> absorb logic for not overwriting precise info into dsa_8021q_rcv()")
> added support to let the DSA switch driver set source_port and
> switch_id. tag_8021q's logic overrides the previously set source_port
> and switch_id only if they are marked as "invalid" (-1). sja1105 and
> vsc73xx drivers are doing that properly, but ocelot_8021q driver doesn't
> initialize those variables. That causes dsa_8021q_rcv() doesn't set
> them, and they remain unassigned.
> 
> Initialize them as invalid to so dsa_8021q_rcv() can return with the
> proper values.

Hi Robert

Since this is a fix, it needs a Fixes: tag. Please also base it on net.

There is more here:

https://www.kernel.org/doc/html/latest/process/maintainer-netdev.html

	Andrew