linux-kernel - Re: [PATCH net] net: lan966x: Fix 1-step timestamping over ipv4 or ipv6

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Message-Id: 
 <174828902825.1028237.3579220220361870619.git-patchwork-notify@kernel.org>
Date: Mon, 26 May 2025 19:50:28 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc: UNGLinuxDriver@...rochip.com, andrew+netdev@...n.ch, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 richardcochran@...il.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: lan966x: Fix 1-step timestamping over ipv4 or ipv6

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Wed, 21 May 2025 14:41:59 +0200 you wrote:
> When enabling 1-step timestamping for ptp frames that are over udpv4 or
> udpv6 then the inserted timestamp is added at the wrong offset in the
> frame, meaning that will modify the frame at the wrong place, so the
> frame will be malformed.
> To fix this, the HW needs to know which kind of frame it is to know
> where to insert the timestamp. For that there is a field in the IFH that
> says the PDU_TYPE, which can be NONE  which is the default value,
> IPV4 or IPV6. Therefore make sure to set the PDU_TYPE so the HW knows
> where to insert the timestamp.
> Like I mention before the issue is not seen with L2 frames because by
> default the PDU_TYPE has a value of 0, which represents the L2 frames.
> 
> [...]

Here is the summary with links:
  - [net] net: lan966x: Fix 1-step timestamping over ipv4 or ipv6
    https://git.kernel.org/netdev/net/c/57ee9584fd86

You are awesome, thank you!
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