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Date: Wed, 9 Feb 2022 09:39:54 +0200 From: Moshe Shemesh <moshe@...dia.com> To: Jakub Kicinski <kuba@...nel.org> CC: "David S. Miller" <davem@...emloft.net>, Jiri Pirko <jiri@...dia.com>, Saeed Mahameed <saeedm@...dia.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net-next 0/4] net/mlx5: Introduce devlink param to disable SF aux dev probe On 2/9/2022 7:23 AM, Jakub Kicinski wrote: > 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"? 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 ?
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