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From: Jakub Kicinski <kuba@kernel.org>
To: Carolina Jubran <cjubran@nvidia.com>
Cc: Tariq Toukan <tariqt@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>,
	Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>, Jiri Pirko <jiri@nvidia.com>,
	Gal Pressman <gal@nvidia.com>,
	Leon Romanovsky <leonro@nvidia.com>,
	Donald Hunter <donald.hunter@gmail.com>,
	Jiri Pirko <jiri@resnulli.us>, Jonathan Corbet <corbet@lwn.net>,
	Saeed Mahameed <saeedm@nvidia.com>,
	Leon Romanovsky <leon@kernel.org>, Shuah Khan <shuah@kernel.org>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-kselftest@vger.kernel.org, Moshe Shemesh <moshe@nvidia.com>,
	Mark Bloch <mbloch@nvidia.com>, Cosmin Ratiu <cratiu@nvidia.com>
Subject: Re: [PATCH net-next V10 2/6] selftest: netdevsim: Add devlink rate tc-bw test
Date: Wed, 21 May 2025 15:24:31 -0700	[thread overview]
Message-ID: <20250521152431.56a77580@kernel.org> (raw)
In-Reply-To: <de344976-6117-478f-987c-3d24be590399@nvidia.com>

On Thu, 22 May 2025 00:05:32 +0300 Carolina Jubran wrote:
> On 21/05/2025 1:59, Jakub Kicinski wrote:
> > On Tue, 20 May 2025 21:38:03 +0300 Tariq Toukan wrote:  
> >> Test verifies that netdevsim correctly implements devlink ops callbacks
> >> that set tc-bw on leaf or node rate object.  
> > 
> > Please add a test that can actually validate a NIC HW.
> > The test probably needs to be in Python to use a remote endpoint,
> > and should live under tools/testing/../drivers/net/hw
> > 
> > We had a long conversation about what we expect from the API
> > vs how your HW works. One of the test cases should confirm
> > the expected behavior, IOW fail on mlx5. Which is fine,
> > unlikely that any NIC will have 100% compliance. But at
> > least we will be documenting the expectations.  
> 
> Working on this. Let me know if the netdevsim selftest should stay 
> alongside the hardware tests, or be removed.

I think it's nice to have. But please share a link to the patches which
add the support in the CLI next time. Can be a lore link if posted, or a
GH repo. 

I need to pull the pending patches into the CI so that the test can run.

  reply	other threads:[~2025-05-21 22:24 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-20 18:38 [PATCH net-next V10 0/6] Support rate management on traffic classes in devlink and mlx5 Tariq Toukan
2025-05-20 18:38 ` [PATCH net-next V10 1/6] devlink: Extend devlink rate API with traffic classes bandwidth management Tariq Toukan
2025-05-20 22:53   ` Jakub Kicinski
2025-05-25 14:57     ` Carolina Jubran
2025-05-27 23:28       ` Jakub Kicinski
2025-05-20 18:38 ` [PATCH net-next V10 2/6] selftest: netdevsim: Add devlink rate tc-bw test Tariq Toukan
2025-05-20 22:59   ` Jakub Kicinski
2025-05-21  7:05     ` Tariq Toukan
2025-05-21 14:10       ` Jakub Kicinski
2025-05-25 20:31         ` Gal Pressman
2025-05-21 21:05     ` Carolina Jubran
2025-05-21 22:24       ` Jakub Kicinski [this message]
2025-05-20 18:38 ` [PATCH net-next V10 3/6] net/mlx5: Add no-op implementation for setting tc-bw on rate objects Tariq Toukan
2025-05-20 18:38 ` [PATCH net-next V10 4/6] net/mlx5: Add support for setting tc-bw on nodes Tariq Toukan
2025-05-20 18:38 ` [PATCH net-next V10 5/6] net/mlx5: Add traffic class scheduling support for vport QoS Tariq Toukan
2025-05-20 18:38 ` [PATCH net-next V10 6/6] net/mlx5: Manage TC arbiter nodes and implement full support for tc-bw Tariq Toukan

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