[Intel-wired-lan] [PATCH S35 03/15] ice: Add code to keep track of current dflt_vsi

[Bowers, AndrewX <andrewx.bowers@intel.com>]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at osuosl.org] On
> Behalf Of Tony Nguyen
> Sent: Thursday, December 12, 2019 3:13 AM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [PATCH S35 03/15] ice: Add code to keep track of
> current dflt_vsi
> 
> From: Brett Creeley <brett.creeley@intel.com>
> 
> We can't have more than one default VSI so prevent another VSI from
> overwriting the current dflt_vsi. This was achieved by adding the following
> functions:
> 
> ice_is_dflt_vsi_in_use()
> - Used to check if the default VSI is already being used.
> 
> ice_is_vsi_dflt_vsi()
> - Used to check if VSI passed in is in fact the default VSI.
> 
> ice_set_dflt_vsi()
> - Used to set the default VSI via a switch rule
> 
> ice_clear_dflt_vsi()
> - Used to clear the default VSI via a switch rule.
> 
> Also, there was no need to introduce any locking because all mailbox events
> and synchronization of switch filters for the PF happen in the service task.
> 
> Signed-off-by: Brett Creeley <brett.creeley@intel.com>
> ---
>  drivers/net/ethernet/intel/ice/ice.h      |   2 +
>  drivers/net/ethernet/intel/ice/ice_lib.c  | 118 ++++++++++++++++++++++
>  drivers/net/ethernet/intel/ice/ice_lib.h  |   4 +
>  drivers/net/ethernet/intel/ice/ice_main.c |  43 +++++---
>  4 files changed, 151 insertions(+), 16 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers@intel.com>