[Intel-wired-lan] [PATCH net-next v3] iavf: Add waiting for response from PF in set mac

[Jankowski, Konrad0]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of
> Mateusz Palczewski
> Sent: Friday, April 15, 2022 10:50 AM
> To: intel-wired-lan at lists.osuosl.org
> Cc: Palczewski, Mateusz <mateusz.palczewski at intel.com>; Sylwester
> Dziedziuch <sylwesterx.dziedziuch at intel.com>
> Subject: [Intel-wired-lan] [PATCH net-next v3] iavf: Add waiting for response
> from PF in set mac
> 
> Make iavf_set_mac synchronous by waiting for a response from a PF.
> Without this iavf_set_mac is always returning success even though set_mac
> can be rejected by a PF.
> This ensures that when set_mac exits netdev MAC is updated.
> This is needed for sending ARPs with correct MAC after changing VF's MAC.
> This is also needed by bonding module.
> 
> Signed-off-by: Sylwester Dziedziuch <sylwesterx.dziedziuch at intel.com>
> Signed-off-by: Mateusz Palczewski <mateusz.palczewski at intel.com>
> ---
>  v3: Resent the patch to apply to next-queue
>  v2: Changed __IAVF_IN_CRITICAL_TASK to crit_lock
> ---
>  drivers/net/ethernet/intel/iavf/iavf.h        |   7 +-
>  drivers/net/ethernet/intel/iavf/iavf_main.c   | 123 +++++++++++++++---
>  .../net/ethernet/intel/iavf/iavf_virtchnl.c   |  61 ++++++++-
>  3 files changed, 170 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/iavf/iavf.h
> b/drivers/net/ethernet/intel/iavf/iavf.h
> index 49aed3e..fda1198 100644
> --- a/drivers/net/ethernet/intel/iavf/iavf.h
> +++ b/drivers/net/ethernet/intel/iavf/iavf.h
> @@ -146,7 +146,8 @@ struct iavf_mac_filter {

Tested-by: Konrad Jankowski <konrad0.jankowski at intel.com>