Re: [PATCH net-next] bnxt_en: Allow to set switchdev mode without existing VFs

[Paolo Abeni <pabeni@redhat.com>]

On Thu, 2023-04-06 at 15:04 +0200, Ivan Vecera wrote:
> Remove an inability of bnxt_en driver to set eswitch to switchdev
> mode without existing VFs by:
> 
> 1. Allow to set switchdev mode in bnxt_dl_eswitch_mode_set() so
>    representors are created only when num_vfs > 0 otherwise just
>    set bp->eswitch_mode
> 2. Do not automatically change bp->eswitch_mode during
>    bnxt_vf_reps_create() and bnxt_vf_reps_destroy() calls so
>    the eswitch mode is managed only by an user by devlink.
>    Just set temporarily bp->eswitch_mode to legacy to avoid
>    re-opening of representors during destroy.
> 3. Create representors in bnxt_sriov_enable() if current eswitch
>    mode is switchdev one
> 
> Tested by this sequence:
> 1. Set PF interface up
> 2. Set PF's eswitch mode to switchdev
> 3. Created N VFs
> 4. Checked that N representors were created
> 5. Set eswitch mode to legacy
> 6. Checked that representors were deleted
> 7. Set eswitch mode back to switchdev
> 8. Checked that representros were re-created

Could you please update the commit message and re-post?

Thanks!

Paolo