OID_DOT11_DSSS_OFDM_OPTION_ENABLED (Compact 2013)

3/26/2014

When queried, this object identifier (OID) requests that the miniport driver return the value of the IEEE 802.11g dot11DSSSOFDMOptionEnabled management information base (MIB) object for the current PHY type on the 802.11 station.

The dot11DSSSOFDMOptionEnabled MIB object specifies whether the current PHY type has enabled the hybrid DSSS-OFDM modulation. When the 802.11 station enables this option, the PHY combines the direct-sequence spread spectrum (DSSS) preamble and header with the orthogonal frequency division multiplexing (OFDM) payload.

For more information about DSSS-OFDM modulation, refer to Clause 19.7 of the IEEE 802.11g‑2003 standard.

Note

Support for OID_DOT11_DSSS_OFDM_OPTION _ENABLED is mandatory if the network adapter supports the dot11_phy_type_erp PHY type. For more information about how the miniport driver specifies its list of supported PHY types, see OID_DOT11_SUPPORTED_PHY_TYPES.

The data type for this OID is a BOOLEAN value. A value of TRUE indicates that the current PHY type has enabled the DSSS-OFDM option.

The dot11DSSSOFDMOptionEnabled MIB object is valid only for the extended rate PHY (ERP) type. If the current PHY type is not set to dot11_phy_type_erp, the miniport driver must fail the query request by returning NDIS_STATUS_INVALID_DATA from its MiniportOidRequest function.

If the miniport driver is operating in Extensible Station (ExtSTA) mode, the current PHY type is determined through the ExtSTA msDot11CurrentPhyID MIB object. This MIB object specifies the index of the current PHY type within the 802.11 station’s list of supported PHY types. For more information about msDot11CurrentPhyID, see OID_DOT11_CURRENT_PHY_ID.

Requirements

Header

windot11.h

See Also

Reference

NDIS 5.x Legacy Wireless LAN OIDs
OID_DOT11_SUPPORTED_PHY_TYPES
MiniportOidRequest
OID_DOT11_CURRENT_PHY_ID
Native 802.11 MIB OIDs