netdev - Re: [PATCH net-next v2 5/5] tsnep: Add PHY loopback selftests

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Message-ID: <b9ba6dd0-a978-421f-8d63-3366ea5e3991@lunn.ch>
Date: Mon, 13 Jan 2025 23:08:39 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Gerhard Engleder <gerhard@...leder-embedded.com>
Cc: hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2 5/5] tsnep: Add PHY loopback selftests

On Fri, Jan 10, 2025 at 03:48:28PM +0100, Gerhard Engleder wrote:
> Add loopback selftests on PHY level. This enables quick testing of
> loopback functionality to ensure working loopback for testing.

You don't appear to be sending any packets. So how do you know
loopback is actually working? I'm not sure this is a useful test.

	 Andrew