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From: patchwork-bot+netdevbpf@kernel.org
To: Jesper L. Nielsen <jln@pascal-audio.com>
Cc: davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org,
	pabeni@redhat.com, horms@kernel.org, richardcochran@gmail.com,
	bigeasy@linutronix.de, martin.kaistra@linutronix.de,
	andrew+netdev@lunn.ch, s-vadapalli@ti.com, rogerq@kernel.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v2] net: ethernet: ti: am65-cpts: keep port and direction when matching PTPv1 TX timestamps
Date: Fri, 06 Nov 2026 22:50:08 +0000	[thread overview]
Message-ID: <179400540817.914342.9340472227607828483.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261103-am65-cpts-ptpv1-v2-1-e1f79ed1ba60@pascal-audio.com>

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 03 Nov 2026 09:42:52 +0100 you wrote:
> From: "Jesper L. Nielsen" <jln@pascal-audio.com>
> 
> The CPTS reports the message type of a timestamp event using the PTPv2
> header layout, i.e. the low nibble of the first header byte. In a PTPv1
> header that byte is the upper byte of versionPTP and always 0, so every
> PTPv1 event is reported as message type 0, while
> am65_skb_get_mtype_seqid() reads the PTPv1 message type from the control
> field. To make PTPv1 match at all, commit 1b9e743e923b ("net: ethernet:
> ti: am65-cpts: Fix PTPv1 message type on TX packets") overwrites the
> whole value compared against the skb with the skb's own value once the
> sequence ids are equal. That throws away the event type and the port
> number of the event as well, so a PTPv1 skb matches any TX event with
> the same sequence id on either port. For PTPv1 this defeats
> commit a23c657e332f ("net: ethernet: ti: am65-cpsw: Use also port
> number to identify timestamps"). The overwritten value also sticks for
> the rest of the TX queue walk.
> 
> [...]

Here is the summary with links:
  - [net,v2] net: ethernet: ti: am65-cpts: keep port and direction when matching PTPv1 TX timestamps
    https://git.kernel.org/netdev/net/c/c4b75e64aa5b

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-11-06 22:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-03  8:42 Jesper L. Nielsen via B4 Relay
2026-11-06 11:58 ` Simon Horman
2026-11-06 22:50 ` patchwork-bot+netdevbpf [this message]

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