linux-kernel - Re: [PATCH net] net: phy: mscc: Stop clearing the the UDPv4 checksum for L2 frames

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: 
 <174841878725.2284365.16902969225916201562.git-patchwork-notify@kernel.org>
Date: Wed, 28 May 2025 07:53:07 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc: andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 richardcochran@...il.com, kory.maincent@...tlin.com, wintera@...ux.ibm.com,
 viro@...iv.linux.org.uk, quentin.schulz@...tlin.com, atenart@...nel.org,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: phy: mscc: Stop clearing the the UDPv4 checksum for
 L2 frames

Hello:

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

On Fri, 23 May 2025 10:27:16 +0200 you wrote:
> We have noticed that when PHY timestamping is enabled, L2 frames seems
> to be modified by changing two 2 bytes with a value of 0. The place were
> these 2 bytes seems to be random(or I couldn't find a pattern).  In most
> of the cases the userspace can ignore these frames but if for example
> those 2 bytes are in the correction field there is nothing to do.  This
> seems to happen when configuring the HW for IPv4 even that the flow is
> not enabled.
> These 2 bytes correspond to the UDPv4 checksum and once we don't enable
> clearing the checksum when using L2 frames then the frame doesn't seem
> to be changed anymore.
> 
> [...]

Here is the summary with links:
  - [net] net: phy: mscc: Stop clearing the the UDPv4 checksum for L2 frames
    https://git.kernel.org/netdev/net/c/57a92d14659d

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