netdev - Re: [PATCH net v2] r8169: fix packet truncation after S4 resume on RTL8168H/RTL8111H

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Message-ID: <41a2108b-2125-48f4-8478-ccd44281380f@gmail.com>
Date: Mon, 13 Oct 2025 20:43:32 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Linmao Li <lilinmao@...inos.cn>, netdev@...r.kernel.org
Cc: jacob.e.keller@...el.com, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org
Subject: Re: [PATCH net v2] r8169: fix packet truncation after S4 resume on
 RTL8168H/RTL8111H

On 10/9/2025 2:25 PM, Linmao Li wrote:
> After resume from S4 (hibernate), RTL8168H/RTL8111H truncates incoming
> packets. Packet captures show messages like "IP truncated-ip - 146 bytes
> missing!".
> 
> The issue is caused by RxConfig not being properly re-initialized after
> resume. Re-initializing the RxConfig register before the chip
> re-initialization sequence avoids the truncation and restores correct
> packet reception.
> 
> This follows the same pattern as commit ef9da46ddef0 ("r8169: fix data
> corruption issue on RTL8402").
> 
> Fixes: 6e1d0b898818 ("r8169:add support for RTL8168H and RTL8107E")
> Signed-off-by: Linmao Li <lilinmao@...inos.cn>
> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
> ---

Reviewed-by: Heiner Kallweit <hkallweit1@...il.com>