[Intel-wired-lan] [PATCH net] ice: disable stripping in default VSI ctx

[Paul Menzel <pmenzel@molgen.mpg.de>]

Dear Marcin, dear Michal,


Am 27.05.22 um 13:51 schrieb Marcin Szycik:
> From: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
> 
> In case when driver is in eswitch mode, having VLAN stripping enabled
> causes failure in communication. All VLAN configuration commands are
> blocked, because of that VF driver can't disable VLAN stripping at

s/blocked, because/blocked. Because/

> initialization. It leads to the situation when VLAN stripping on VF VSI
> is on, but in kernel it is off.
> 
> To prevent this, set VLAN stripping to disabled in VSI initialization.

Maybe: ?, disable VLAN stripping in VSI initialization.

> It doesn't break other usecases, because it is set according to kernel
> settings.

Please document your test setup.


Kind regards,

Paul


> Fixes: f09901aa554a ("ice: remove VLAN representor specific ops")
> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
> Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
> ---
>   drivers/net/ethernet/intel/ice/ice_lib.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
> index 70961c0343e7..b28fb8eacffb 100644
> --- a/drivers/net/ethernet/intel/ice/ice_lib.c
> +++ b/drivers/net/ethernet/intel/ice/ice_lib.c
> @@ -887,6 +887,9 @@ static void ice_set_dflt_vsi_ctx(struct ice_hw *hw, struct ice_vsi_ctx *ctxt)
>   			(ICE_AQ_VSI_OUTER_TAG_VLAN_8100 <<
>   			 ICE_AQ_VSI_OUTER_TAG_TYPE_S) &
>   			ICE_AQ_VSI_OUTER_TAG_TYPE_M;
> +		ctxt->info.outer_vlan_flags |=
> +			FIELD_PREP(ICE_AQ_VSI_OUTER_VLAN_EMODE_M,
> +				   ICE_AQ_VSI_OUTER_VLAN_EMODE_NOTHING);
>   	}
>   	/* Have 1:1 UP mapping for both ingress/egress tables */
>   	table |= ICE_UP_TABLE_TRANSLATE(0, 0);