netdev - Re: "netlink error: Invalid argument" with ethtool-5.13+ on recent kernels due to "ethtool: Add netlink handler for getmodule (-m)" - 25b64c66f58d3df0ad7272dda91c3ab06fe7a303, also no SFP-DOM support via netlink?

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Message-ID: <apfg6yonp66gp4z6sdzrfin7tdyctfomhahhitqmcipuxkewpw@gmr5xlybvfsf>
Date: Tue, 21 May 2024 08:55:12 +0200
From: Michal Kubecek <mkubecek@...e.cz>
To: Krzysztof Olędzki <ole@....pl>
Cc: Vladyslav Tarasiuk <vladyslavt@...dia.com>, 
	Moshe Shemesh <moshe@...dia.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: "netlink error: Invalid argument" with ethtool-5.13+ on recent
 kernels due to "ethtool: Add netlink handler for getmodule (-m)" -
 25b64c66f58d3df0ad7272dda91c3ab06fe7a303, also no SFP-DOM support via
 netlink?

On Mon, May 20, 2024 at 11:26:56PM -0700, Krzysztof Olędzki wrote:
> Hi,
> 
> After upgrading from 5.4-stable to 6.6-stable I noticed that modern ethtool -m stopped working with ports where I have QSFP modules installed in my CX3 / CX3-Pro cards.
> 
> Git bisect identified the following patch as being responsible for the issue:
> https://git.kernel.org/pub/scm/network/ethtool/ethtool.git/commit/?id=25b64c66f58d3df0ad7272dda91c3ab06fe7a303

Sounds like the issue that was fixed by commit 1a1dcfca4d67 ("ethtool:
Fix SFF-8472 transceiver module identification"). Can you try ethtool
version 6.7?

Michal

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