Metadata field L2 identifiers
Windows 8 and Windows Server 2012 introduce metadata field L2 identifiers.
The metadata field L2 identifiers are each represented by a bit field. These identifiers are defined as follows:
| Metadata field identifier | Description |
|---|---|
| FWPS_L2_METADATA_FIELD_ETHERNET_MAC_HEADER_SIZE | The size, in bytes, of the MAC header. |
| FWPS_L2_METADATA_FIELD_VSWITCH_DESTINATION_PORT_ID | The identifier for the destination port on the virtual switch. |
| FWPS_L2_METADATA_FIELD_VSWITCH_PACKET_CONTEXT | A HANDLE to the virtual switch packet context. |
| FWPS_L2_METADATA_FIELD_VSWITCH_SOURCE_NIC_INDEX | The index for the source NIC on the virtual switch. |
| FWPS_L2_METADATA_FIELD_VSWITCH_SOURCE_PORT_ID | The identifier for the source port on the virtual switch. |
| FWPS_L2_METADATA_FIELD_WIFI_OPERATION_MODE | The current Native 802.11 operation mode. |
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