netdev - Re: [PATCH ethtool-next] sff-8636: report LOL / LOS / Tx Fault

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Message-ID: <7aaec2ea-5459-46c6-877c-41d9cf93bcc1@lunn.ch>
Date: Fri, 9 Jun 2023 17:31:42 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Jakub Kicinski <kuba@...nel.org>
Cc: mkubecek@...e.cz, danieller@...dia.com, idosch@...dia.com,
	netdev@...r.kernel.org, vladyslavt@...dia.com,
	linux@...linux.org.uk
Subject: Re: [PATCH ethtool-next] sff-8636: report LOL / LOS / Tx Fault

> I was asked if "Linux reports" this information.

Linux does, in /sys/kernel/debug/sfpX/status. It gives your the GPIOs
value.

But this assumes you are actually using Linux to drive the SFP.

	Andrew