netdev - Re: [PATCH net-next 4/5] selftest: netdevsim: Add devlink port resource test

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Message-ID: <f3e5ef08-c073-4f96-b874-8fcf8c72af2a@gmail.com>
Date: Wed, 4 Feb 2026 09:08:13 +0200
From: Tariq Toukan <ttoukan.linux@...il.com>
To: Jakub Kicinski <kuba@...nel.org>, Tariq Toukan <tariqt@...dia.com>
Cc: Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Donald Hunter <donald.hunter@...il.com>,
 Jiri Pirko <jiri@...nulli.us>, Jonathan Corbet <corbet@....net>,
 Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
 Mark Bloch <mbloch@...dia.com>, Shuah Khan <shuah@...nel.org>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, linux-rdma@...r.kernel.org,
 linux-kselftest@...r.kernel.org, Gal Pressman <gal@...dia.com>,
 Moshe Shemesh <moshe@...dia.com>, Shay Drori <shayd@...dia.com>,
 Jiri Pirko <jiri@...dia.com>, Or Har-Toov <ohartoov@...dia.com>
Subject: Re: [PATCH net-next 4/5] selftest: netdevsim: Add devlink port
 resource test

On 04/02/2026 4:26, Jakub Kicinski wrote:
> On Tue, 3 Feb 2026 11:16:45 +0100 Paolo Abeni wrote:
>> # Error: netdevsim: Exceeded number of supported fib entries.
>> # Error: netdevsim: Exceeded number of supported fib entries.
>> # kernel answers: Operation not permitted
>> # TEST: resource test                                                 [ OK ]
>> # Command "resource" not found
>> # Command "resource" not found
>> # TEST: port resource test                                            [FAIL]
>> # Failed to show port resource for netdevsim/netdevsim10/0
>> # TEST: dev_info test                                                 [ OK ]
>> # TEST: empty reporter test                                           [ OK ]
>> # kernel answers: Success
>> # kernel answers: Success
>> # ./devlink.sh: line 614: echo: write error: Invalid argument
>> # Error: netdevsim: User setup the recover to fail for testing purposes.
> 
> I suppose this is because iproute2 needs patching. Tariq, could you
> post the user space bits or share a link where we can pull them from?
> I'll revive this in PW once we have CLI updated..
> 

Right. I'll include a pointer in the next submission.
We're fixing the code to fail gracefully (i.e. skip) if userspace 
doesn't have the needed support.