netdev - Re: [PATCH iwl-next v2] ixgbe: add support for thermal sensor event reception

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Message-ID: <0a921f6c-a63d-4255-ba0e-ea7f83b8b497@lunn.ch>
Date: Tue, 4 Feb 2025 14:09:10 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Jedrzej Jagielski <jedrzej.jagielski@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, anthony.l.nguyen@...el.com,
	netdev@...r.kernel.org, pmenzel@...gen.mpg.de,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>
Subject: Re: [PATCH iwl-next v2] ixgbe: add support for thermal sensor event
 reception

On Tue, Feb 04, 2025 at 08:17:00AM +0100, Jedrzej Jagielski wrote:
> E610 NICs unlike the previous devices utilising ixgbe driver
> are notified in the case of overheatning by the FW ACI event.
> 
> In event of overheat when treshold is exceeded, FW suspends all
> traffic and sends overtemp event to the driver. Then driver
> logs appropriate message and closes the adapter instance.
> The card remains in that state until the platform is rebooted.

There is also an HWMON temp[1-*]_emergency_alarm you can set. I
_think_ that should also cause a udev event, so user space knows the
print^h^h^h^h^hnetwork is on fire.

	Andrew