From: Jakub Kicinski <kuba@kernel.org>
To: Jiri Pirko <jiri@resnulli.us>
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>,
Cosmin Ratiu <cratiu@nvidia.com>,
Carolina Jubran <cjubran@nvidia.com>,
Gal Pressman <gal@nvidia.com>, Mark Bloch <mbloch@nvidia.com>,
Donald Hunter <donald.hunter@gmail.com>,
Jonathan Corbet <corbet@lwn.net>,
Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: Re: [PATCH net-next 03/10] devlink: Serialize access to rate domains
Date: Wed, 26 Feb 2025 18:53:10 -0800 [thread overview]
Message-ID: <20250226185310.42305482@kernel.org> (raw)
In-Reply-To: <wgbtvsogtf4wgxyz7q4i6etcvlvk6oi3xyckie2f7mwb3gyrl4@m7ybivypoojl>
On Wed, 26 Feb 2025 15:44:35 +0100 Jiri Pirko wrote:
> > Why would there still be PF instances? I'm not suggesting that you
> > create a hierarchy of instances.
>
> I'm not sure how you imagine getting rid of them. One PCI PF
> instantiates one devlink now. There are lots of configuration (e.g. params)
> that is per-PF. You need this instance for that, how else would you do
> per-PF things on shared ASIC instance?
There are per-PF ports, right?
> Creating SFs is per-PF operation for example. I didn't to thorough
> analysis, but I'm sure there are couple of per-PF things like these.
Seems like adding a port attribute to SF creation would be a much
smaller extension than adding a layer of objects.
> Also not breaking the existing users may be an argument to keep per-PF
> instances.
We're talking about multi-PF devices only. Besides pretty sure we
moved multiple params and health reporters to be per port, so IDK
what changed now.
next prev parent reply other threads:[~2025-02-27 2:53 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-13 18:01 [PATCH net-next 00/10] devlink and mlx5: Introduce rate domains Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 01/10] devlink: Remove unused param of devlink_rate_nodes_check Tariq Toukan
2025-02-18 2:54 ` Kalesh Anakkur Purayil
2025-02-13 18:01 ` [PATCH net-next 02/10] devlink: Store devlink rates in a rate domain Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 03/10] devlink: Serialize access to rate domains Tariq Toukan
2025-02-14 12:54 ` Jiri Pirko
2025-02-19 2:21 ` Jakub Kicinski
2025-02-25 13:36 ` Jiri Pirko
2025-02-26 1:40 ` Jakub Kicinski
2025-02-26 14:44 ` Jiri Pirko
2025-02-27 2:53 ` Jakub Kicinski [this message]
2025-02-27 12:22 ` Jiri Pirko
2025-03-03 22:06 ` Jakub Kicinski
2025-03-04 13:11 ` Jiri Pirko
2025-03-05 0:04 ` Jakub Kicinski
2025-03-05 11:48 ` Jiri Pirko
2025-02-13 18:01 ` [PATCH net-next 04/10] devlink: Introduce shared " Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 05/10] devlink: Allow specifying parent device for rate commands Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 06/10] devlink: Allow rate node parents from other devlinks Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 07/10] net/mlx5: qos: Introduce shared esw qos domains Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 08/10] net/mlx5: qos: Support cross-esw tx scheduling Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 09/10] net/mlx5: qos: Init shared devlink rate domain Tariq Toukan
2025-02-13 18:01 ` [PATCH net-next 10/10] net/mlx5: Document devlink rates and cross-esw scheduling Tariq Toukan
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