netdev - Re: [PATCH net-next 2/2] r8169: add support for reading over-temp threshold

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Message-ID: <4535017c-10a8-47e8-8a8e-67c5db62bb16@lunn.ch>
Date: Mon, 6 Jan 2025 22:15:23 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Realtek linux nic maintainers <nic_swsd@...ltek.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	David Miller <davem@...emloft.net>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Simon Horman <horms@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 2/2] r8169: add support for reading over-temp
 threshold

On Mon, Jan 06, 2025 at 07:05:13PM +0100, Heiner Kallweit wrote:
> Add support for reading the over-temp threshold. If the chip temperature
> exceeds this value, the chip will reduce the speed to 1Gbps (by disabling
> 2.5G/5G advertisement and triggering a renegotiation).

I'm assuming here that the over-temp threshold always exists when the
temp_in sensors exists? If so:

Reviewed-by: Andrew Lunn <andrew@...n.ch>

Does it reduce the speed in the same way as downshift? Can the user
tell it has happened, other than networking is slower?

    Andrew