MIB_IF_ROW2 structure
The MIB_IF_ROW2 structure stores information about a particular interface.
Syntax
typedef struct _MIB_IF_ROW2 {
NET_LUID InterfaceLuid;
NET_IFINDEX InterfaceIndex;
GUID InterfaceGuid;
WCHAR Alias[IF_MAX_STRING_SIZE + 1];
WCHAR Description[IF_MAX_STRING_SIZE + 1];
ULONG PhysicalAddressLength;
UCHAR PhysicalAddress[IF_MAX_PHYS_ADDRESS_LENGTH];
UCHAR PermanentPhysicalAddress[IF_MAX_PHYS_ADDRESS_LENGTH];
ULONG Mtu;
IFTYPE Type;
TUNNEL_TYPE TunnelType;
NDIS_MEDIUM MediaType;
NDIS_PHYSICAL_MEDIUM PhysicalMediumType;
NET_IF_ACCESS_TYPE AccessType;
NET_IF_DIRECTION_TYPE DirectionType;
struct {
BOOLEAN HardwareInterface :1;
BOOLEAN FilterInterface :1;
BOOLEAN ConnectorPresent :1;
BOOLEAN NotAuthenticated :1;
BOOLEAN NotMediaConnected :1;
BOOLEAN Paused :1;
BOOLEAN LowPower :1;
BOOLEAN EndPointInterface :1;
} InterfaceAndOperStatusFlags;
IF_OPER_STATUS OperStatus;
NET_IF_ADMIN_STATUS AdminStatus;
NET_IF_MEDIA_CONNECT_STATE MediaConnectState;
NET_IF_NETWORK_GUID NetworkGuid;
NET_IF_CONNECTION_TYPE ConnectionType;
ULONG64 TransmitLinkSpeed;
ULONG64 ReceiveLinkSpeed;
ULONG64 InOctets;
ULONG64 InUcastPkts;
ULONG64 InNUcastPkts;
ULONG64 InDiscards;
ULONG64 InErrors;
ULONG64 InUnknownProtos;
ULONG64 InUcastOctets;
ULONG64 InMulticastOctets;
ULONG64 InBroadcastOctets;
ULONG64 OutOctets;
ULONG64 OutUcastPkts;
ULONG64 OutNUcastPkts;
ULONG64 OutDiscards;
ULONG64 OutErrors;
ULONG64 OutUcastOctets;
ULONG64 OutMulticastOctets;
ULONG64 OutBroadcastOctets;
ULONG64 OutQLen;
} MIB_IF_ROW2, *PMIB_IF_ROW2;
Members
InterfaceLuid
The locally unique identifier (LUID) for the network interface.InterfaceIndex
The index that identifies the network interface. This index value might change when a network adapter is disabled and then enabled, and should not be considered persistent.InterfaceGuid
The GUID for the network interface.Alias
A NULL-terminated Unicode string that contains the alias name of the network interface.Description
A NULL-terminated Unicode string that contains a description of the network interface.PhysicalAddressLength
The length, in bytes, of the physical hardware address that the PhysicalAddress member specifies.PhysicalAddress
The physical hardware address of the adapter for this network interface.PermanentPhysicalAddress
The permanent physical hardware address of the adapter for this network interface.Mtu
The maximum transmission unit (MTU) size, in bytes, for this network interface.Type
The interface type as defined by the Internet Assigned Names Authority (IANA). For more information, see IANAifType-MIB DEFINITIONS. Possible values for the interface type are listed in the Ipifcons.h header file.The following table lists common values for the interface type, although many other values are possible.
Value Meaning IF_TYPE_OTHER
1
Some other type of network interface
IF_TYPE_ETHERNET_CSMACD
6
An Ethernet network interface
IF_TYPE_ISO88025_TOKENRING
9
A token ring network interface
IF_TYPE_PPP
23
A PPP network interface
IF_TYPE_SOFTWARE_LOOPBACK
24
A software loopback network interface
IF_TYPE_ATM
37
An ATM network interface
IF_TYPE_IEEE80211
71
An IEEE 802.11 wireless network interface
IF_TYPE_TUNNEL
131
A tunnel type encapsulation network interface
IF_TYPE_IEEE1394
144
An IEEE 1394 (Firewire) high performance serial bus network interface
TunnelType
If the Type member is IF_TYPE_TUNNEL, a TUNNEL_TYPE type that defines the encapsulation method that a tunnel uses.MediaType
The NDIS media type for the interface. This member can be one of the following values from the NDIS_MEDIUM enumeration type that is defined in the Ntddndis.h header file.Value Meaning NdisMedium802_3
0
An Ethernet (802.3) network.
NdisMedium802_5
1
A Token Ring (802.5) network.
NdisMediumFddi
2
A Fiber Distributed Data Interface (FDDI) network.
NdisMediumWan
3
A wide area network (WAN). This type covers various forms of point-to-point and WAN NICs and variant address/header formats that must be negotiated between the protocol driver and the underlying driver after the binding is established.
NdisMediumLocalTalk
4
A LocalTalk network.
NdisMediumDix
5
An Ethernet network for which the drivers use the DIX Ethernet header format.
NdisMediumArcnetRaw
6
An ARCNET network.
NdisMediumArcnet878_2
7
An ARCNET (878.2) network.
NdisMediumAtm
8
An ATM network. Connection-oriented client protocol drivers can bind themselves to an underlying miniport driver that returns this value. Otherwise, legacy protocol drivers bind themselves to the system-supplied LanE intermediate driver, which reports its medium type as either NdisMedium802_3 or NdisMedium802_5, depending on how the network administrator configures the LanE driver.
NdisMediumWirelessWan
9
A wireless network. NDIS 5. x miniport drivers that support wireless LAN (WLAN) or wireless WAN (WWAN) packets declare their medium as NdisMedium802_3 and emulate Ethernet to higher-level NDIS drivers.
Note This media type is not available for use on Windows Vista or later versions of Windows.
NdisMediumIrda
10
An infrared (IrDA) network.
NdisMediumBpc
11
A broadcast computer network.
NdisMediumCoWan
12
A wide area network in a connection-oriented environment.
NdisMedium1394
13
An IEEE 1394 (fire wire) network.
NdisMediumInfiniBand
14
An InfiniBand network.
NdisMediumTunnel
15
A tunnel network.
NdisMediumNative802_11
16
A native IEEE 802.11 network.
NdisMediumLoopback
17
An NDIS loopback network.
PhysicalMediumType
The NDIS physical medium type. This member can be one of the following values from the NDIS_PHYSICAL_MEDIUM enumeration type that is defined in the Ntddndis.h header file.Value Meaning NdisPhysicalMediumUnspecified
0
The physical medium is none of the following values. For example, a one-way satellite feed is an unspecified physical medium.
NdisPhysicalMediumWirelessLan
1
Packets are transferred over a wireless LAN network through a miniport driver that complies with the 802.11 interface.
NdisPhysicalMediumCableModem
2
Packets are transferred over a DOCSIS-based cable network.
NdisPhysicalMediumPhoneLine
3
Packets are transferred over standard telephone lines. This type includes HomePNA media.
NdisPhysicalMediumPowerLine
4
Packets are transferred over wiring that is connected to a power distribution system.
NdisPhysicalMediumDSL
5
Packets are transferred over a Digital Subscriber Line (DSL) network. This type includes ADSL, UADSL (G.Lite), and SDSL.
NdisPhysicalMediumFibreChannel
6
Packets are transferred over a Fibre Channel interconnect.
NdisPhysicalMedium1394
7
Packets are transferred over an IEEE 1394 bus.
NdisPhysicalMediumWirelessWan
8
Packets are transferred over a Wireless WAN link. This type includes CDPD, CDMA and GPRS.
NdisPhysicalMediumNative802_11
9
Packets are transferred over a wireless LAN network through a miniport driver that complies with the Native 802.11 interface.
Note The Native 802.11 interface is supported in NDIS 6.0 and later versions.
NdisPhysicalMediumBluetooth
10
Packets are transferred over a Bluetooth network. Bluetooth is a short-range wireless technology that uses the 2.4 GHz spectrum.
NdisPhysicalMediumInfiniband
11
Packets are transferred over an InfiniBand interconnect.
NdisPhysicalMediumUWB
13
Packets are transferred over an ultra wide band network.
NdisPhysicalMedium802_3
14
Packets are transferred over an Ethernet (802.3) network.
NdisPhysicalMedium802_5
15
Packets are transferred over a Token Ring (802.5) network.
NdisPhysicalMediumIrda
16
Packets are transferred over an infrared (IrDA) network.
NdisPhysicalMediumWiredWAN
17
Packets are transferred over a wired WAN network.
NdisPhysicalMediumWiredCoWan
18
Packets are transferred over a wide area network in a connection-oriented environment.
NdisPhysicalMediumOther
19
Packets are transferred over a network that is not described by other possible values.
AccessType
A NET_IF_ACCESS_TYPE NDIS network interface access type.DirectionType
A NET_IF_DIRECTION_TYPE NDIS network interface direction type.InterfaceAndOperStatusFlags
A set of the following flags that provide information about the interface. These flags are combined with a bitwise OR operation. If none of the flags applies, this member is set to zero.HardwareInterface
The network interface is for hardware.FilterInterface
The network interface is for a filter module.ConnectorPresent
A connector is present on the network interface. This value is set if there is a physical network adapter.NotAuthenticated
The default port for the network interface is not authenticated. If a network interface is not authenticated by the target, the network interface is not in an operational mode. Although this situation applies to both wired and wireless network connections, authentication is more common for wireless network connections.NotMediaConnected
The network interface is not in a media-connected state. If a network cable is unplugged for a wired network, this value is set. For a wireless network, this value is set for the network adapter that is not connected to a network.Paused
The network stack for the network interface is in the paused or pausing state. This value does not mean that the computer is in a hibernated state.LowPower
The network interface is in a low power state.EndPointInterface
The network interface is an endpoint device and not a true network interface that connects to a network. This value can be set by devices, such as smartphones, that use networking infrastructure to communicate to the computer but do not provide connectivity to an external network. These types of devices must set this flag.
OperStatus
A IF_OPER_STATUS NDIS network interface operational status type.AdminStatus
The NET_IF_ADMIN_STATUS administrative status type.MediaConnectState
The NET_IF_MEDIA_CONNECT_STATE connection state type.NetworkGuid
The GUID that is associated with the network that the interface belongs to.ConnectionType
A NET_IF_CONNECTION_TYPE NDIS network interface connection type.TransmitLinkSpeed
The speed, in bits per second, of the transmit link.ReceiveLinkSpeed
The speed, in bits per second, of the receive link.InOctets
The number of octets of data that are received without errors through this interface. This value includes octets in unicast, broadcast, and multicast packets.InUcastPkts
The number of unicast packets that are received without errors through this interface.InNUcastPkts
The number of non-unicast packets that are received without errors through this interface. This value includes broadcast and multicast packets.InDiscards
The number of incoming packets that were discarded even though they did not have errors.InErrors
The number of incoming packets that were discarded because of errors.InUnknownProtos
The number of incoming packets that were discarded because the protocol was unknown.InUcastOctets
The number of octets of data that are received without errors in unicast packets through this interface.InMulticastOctets
The number of octets of data that are received without errors in multicast packets through this interface.InBroadcastOctets
The number of octets of data that are received without errors in broadcast packets through this interface.OutOctets
The number of octets of data that are transmitted without errors through this interface. This value includes octets in unicast, broadcast, and multicast packets.OutUcastPkts
The number of unicast packets that are transmitted without errors through this interface.OutNUcastPkts
The number of non-unicast packets that are transmitted without errors through this interface. This value includes broadcast and multicast packets.OutDiscards
The number of outgoing packets that were discarded even though they did not have errors.OutErrors
The number of outgoing packets that were discarded because of errors.OutUcastOctets
The number of octets of data that are transmitted without errors in unicast packets through this interface.OutMulticastOctets
The number of octets of data that are transmitted without errors in multicast packets through this interface.OutBroadcastOctets
The number of octets of data that are transmitted without errors in broadcast packets through this interface.OutQLen
The transmit queue length. This field is not currently used.
Remarks
The values for the Type field are defined in the Ipifcons.h header file. Only the possible values that are listed in the description of the Type member are currently supported.
Requirements
Version |
Available in Windows Vista and later versions of the Windows operating systems. |
Header |
Netioapi.h (include Netioapi.h) |
See also
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