netdev - Re: [PATCH net-next 1/2] selftests: drv-net: psp: Use first device when multiple are present

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Message-ID: <20260105174442.055a67c5@kernel.org>
Date: Mon, 5 Jan 2026 17:44:42 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Cosmin Ratiu <cratiu@...dia.com>
Cc: <netdev@...r.kernel.org>, Andrew Lunn <andrew+netdev@...n.ch>, "David S
 . Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>, Carolina Jubran
 <cjubran@...dia.com>, <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH net-next 1/2] selftests: drv-net: psp: Use first device
 when multiple are present

On Mon, 5 Jan 2026 12:04:23 +0200 Cosmin Ratiu wrote:
> The PSP responder fails when multiple devices are detected. There's
> an option to select the device id to use (-d) but that's currently not
> used from the PSP self test.
> 
> Change the default behavior of psp_responder to pick the first
> device instead of giving up altogether.

We know what ifindex we expect to run against (cfg.remote_ifname)
we can resolve which PSP device it belongs to either in the C code
or in the Python script.