Re: [PATCH net-next 0/4] net/mlx5: Introduce devlink param to disable SF aux dev probe

From: Jakub Kicinski
Date: Wed Feb 09 2022 - 00:27:23 EST


On Tue, 8 Feb 2022 19:14:02 +0200 Moshe Shemesh wrote:
> $ devlink dev param set pci/0000:08:00.0 name enable_sfs_aux_devs \
> value false cmode runtime
>
> Create SF:
> $ devlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 11
> $ devlink port function set pci/0000:08:00.0/32768 \
> hw_addr 00:00:00:00:00:11 state active
>
> Now depending on the use case, the user can enable specific auxiliary
> device(s). For example:
>
> $ devlink dev param set auxiliary/mlx5_core.sf.1 \
> name enable_vnet value true cmde driverinit
>
> Afterwards, user needs to reload the SF in order for the SF to come up
> with the specific configuration:
>
> $ devlink dev reload auxiliary/mlx5_core.sf.1

If the user just wants vnet why not add an API which tells the driver
which functionality the user wants when the "port" is "spawned"?