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From: Jiri Pirko <jiri@resnulli.us>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Moshe Shemesh <moshe@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jiri Pirko <jiri@nvidia.com>, Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 0/4] net/mlx5: Introduce devlink param to disable SF aux dev probe
Date: Thu, 10 Feb 2022 08:02:12 +0100	[thread overview]
Message-ID: <YgS4dFHFPPMITaoV@nanopsycho> (raw)
In-Reply-To: <20220209172525.19977e8c@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>

Thu, Feb 10, 2022 at 02:25:25AM CET, kuba@kernel.org wrote:
>On Wed, 9 Feb 2022 09:39:54 +0200 Moshe Shemesh wrote:
>> Well we don't have the SFs at that stage, how can we tell which SF will 
>> use vnet and which SF will use eth ?
>
>On Wed, 9 Feb 2022 10:57:21 +0100 Jiri Pirko wrote: 
>> It's a different user. One works with the eswitch and creates the port
>> function. The other one takes the created instance and works with it.
>> Note that it may be on a different host.
>
>It is a little confusing, so I may well be misunderstanding but the
>cover letter says:
>
>$ devlink dev param set pci/0000:08:00.0 name enable_sfs_aux_devs \
>              value false cmode runtime
>
>$ devlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 11
>
>So both of these run on the same side, no?
>
>What I meant is make the former part of the latter:
>
>$ devlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 11 noprobe

I see. So it would not be "global policy" but per-instance option during
creation. That makes sense. I wonder if the HW is capable of such flow,
Moshe, Saeed?


>
>
>Maybe worth clarifying - pci/0000:08:00.0 is the eswitch side and
>auxiliary/mlx5_core.sf.1 is the... "customer" side, correct? 

Yep.

  reply	other threads:[~2022-02-10  7:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 17:14 [PATCH net-next 0/4] net/mlx5: Introduce devlink param to disable SF aux dev probe Moshe Shemesh
2022-02-08 17:14 ` [PATCH net-next 1/4] net/mlx5: Split function_setup() to enable and open functions Moshe Shemesh
2022-02-08 17:14 ` [PATCH net-next 2/4] net/mlx5: Delete redundant default assignment of runtime devlink params Moshe Shemesh
2022-02-08 17:14 ` [PATCH net-next 3/4] devlink: Add new "enable_sfs_aux_devs" generic device param Moshe Shemesh
2022-02-08 17:14 ` [PATCH net-next 4/4] net/mlx5: Support enable_sfs_aux_devs devlink param Moshe Shemesh
2022-02-09  5:23 ` [PATCH net-next 0/4] net/mlx5: Introduce devlink param to disable SF aux dev probe Jakub Kicinski
2022-02-09  7:39   ` Moshe Shemesh
2022-02-09  9:57   ` Jiri Pirko
2022-02-10  1:25     ` Jakub Kicinski
2022-02-10  7:02       ` Jiri Pirko [this message]
2022-02-10 10:28         ` Moshe Shemesh
2022-02-10 19:09           ` Parav Pandit
2022-02-11  8:46             ` Moshe Shemesh

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