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Message-ID: <2024061227-agony-washable-111e@gregkh>
Date: Wed, 12 Jun 2024 15:58:39 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Vladimir Oltean <vladimir.oltean@....com>
Cc: stable@...r.kernel.org, Sasha Levin <sashal@...nel.org>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Simon Horman <horms@...nel.org>
Subject: Re: [PATCH stable-5.15.y 0/2] Fix PTP received on wrong port with
bridged SJA1105 DSA
On Fri, May 31, 2024 at 07:50:14PM +0300, Vladimir Oltean wrote:
> It has been brought to my attention that what had been fixed 1 year ago
> here for kernels 5.18 and later:
> https://lore.kernel.org/netdev/20230626155112.3155993-1-vladimir.oltean@nxp.com/
>
> is still broken on linux-5.15.y. Short summary: PTP boundary clock is
> broken for ports under a VLAN-aware bridge.
>
> The reason is that the Fixes: tags in those patches were wrong. The
> issue originated from earlier, but the changes from 5.18 (blamed there),
> aka DSA FDB isolation, masked that.
>
> A straightforward cherry-pick was not possible, due to the conflict with
> the aforementioned DSA FDB isolation work from 5.18. So I redid patch
> 2/2 and marked what I had to adapt.
>
> Tested on the NXP LS1021A-TSN board.
>
> Vladimir Oltean (2):
> net: dsa: sja1105: always enable the INCL_SRCPT option
> net: dsa: tag_sja1105: always prefer source port information from
> INCL_SRCPT
>
> drivers/net/dsa/sja1105/sja1105_main.c | 9 ++-----
> net/dsa/tag_sja1105.c | 34 ++++++++++++++++++++------
> 2 files changed, 28 insertions(+), 15 deletions(-)
> ---
>
> I'm sorry for the people who will want to backport DSA FDB isolation to
> linux-5.15.y :(
Now queued up, thanks.
greg k-h
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