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

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Message-ID: <7eafe960-d172-4079-a91e-85e1066c2764@digi.com>
Date: Wed, 11 Dec 2024 15:21:52 +0100
From: Robert Hodaszi <robert.hodaszi@...i.com>
To: Andrew Lunn <andrew@...n.ch>
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

2024. 12. 11. 14:34 keltezéssel, Andrew Lunn írta:
> [EXTERNAL E-MAIL] Warning! This email originated outside of the organization! Do not click links or open attachments unless you recognize the sender and know the content is safe.
>
>
>
> 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://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.kernel.org%2fdoc%2fhtml%2flatest%2fprocess%2fmaintainer-netdev.html&c=E,1,4wyDgaiEANqhFn2GG0tcaR1j57JQtD08e0Ct4VSwo05Uu1yGRm73RMgwy0gs_ClxX5Mmerf2f6bxOoXZF9G_zKOP4Isr6iVcIkPhTzyMVHt9DNUF0KUfXCE,&typo=1
>
>         Andrew

Hi,

OK, thanks! Let me try again!

Robert