ice: Restore VLAN switch rule if port VLAN existed before

The VLAN rule is lost when VM starts or the AVF driver (iavf.ko) is
reloaded. So it is necessary to add this rule again.
Signed-off-by: NMichal Swiatkowski <michal.swiatkowski@intel.com>
Signed-off-by: NAnirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c

@@ -457,8 +457,10 @@ static int ice_alloc_vsi_res(struct ice_vf *vf)
 	vsi->hw_base_vector += 1;
 
 	/* Check if port VLAN exist before, and restore it accordingly */
-	if (vf->port_vlan_id)
+	if (vf->port_vlan_id) {
 		ice_vsi_manage_pvid(vsi, vf->port_vlan_id, true);
+		ice_vsi_add_vlan(vsi, vf->port_vlan_id & ICE_VLAN_M);
+	}
 
 	eth_broadcast_addr(broadcast);