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!ndiskd.mopen

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The !ndiskd.mopen extension displays information about bindings between miniports and protocols. If you run this extension with no parameters, !ndiskd will display a list of all open bindings between NDIS miniport drivers and protocol drivers.

!ndiskd.mopen [-handle <x>] [-ref]

Parameters

-handle
Optional handle of an NDIS open binding.

-ref
Shows refcounts of open bindings.

DLL

Ndiskd.dll

Examples

Enter the !ndiskd.mopen command to get a list of all open bindings. In this example, look for the binding between the Microsoft ISATAP Adapter #2 miniport and the TCPIP6TUNNEL protocol. Its handle is ffff8083e56b8110.

3: kd> !ndiskd.mopen
Open ffff8083e56b8110
  Miniport: ffff8083e02ce1a0 - Microsoft ISATAP Adapter #2
  Protocol: ffff8083e1a95c00 - TCPIP6TUNNEL

Open ffff8083e11902c0
  Miniport: ffff8083e0f501a0 - Microsoft Kernel Debug Network Adapter
  Protocol: ffff8083e3e8f6b0 - RSPNDR

Open ffff8083e55f3010
  Miniport: ffff8083e0f501a0 - Microsoft Kernel Debug Network Adapter
  Protocol: ffff8083e0114730 - NDISUIO

Open ffff8083e15537d0
  Miniport: ffff8083e0f501a0 - Microsoft Kernel Debug Network Adapter
  Protocol: ffff8083e3e90800 - LLTDIO

Open ffff8083e3926010
  Miniport: ffff8083e0f501a0 - Microsoft Kernel Debug Network Adapter
  Protocol: ffff8083e3e90c10 - MSLLDP

Open ffff8083e0c565a0
  Miniport: ffff8083e0f501a0 - Microsoft Kernel Debug Network Adapter
  Protocol: ffff8083e11cec10 - TCPIP

Open ffff8083e504c770
  Miniport: ffff8083e0f501a0 - Microsoft Kernel Debug Network Adapter
  Protocol: ffff8083e19bfc10 - TCPIP6

Now you can either click on the handle or use the handle to enter the !ndiskd.mopen -handle command, which enables you to see more details about that open binding such as its Datapath state and Receive path information.

3: kd> !ndiskd.mopen ffff8083e56b8110


OPEN

    Ndis handle        ffff8083e56b8110
    Flags              [No flags set]
    References         1                   Show detail
    Source             1
    Datapath state     Running

    Protocol           ffff8083e1a95c00 - TCPIP6TUNNEL
    Protocol context   ffff8083e15b62e0

    Miniport           ffff8083e02ce1a0 - Microsoft ISATAP Adapter #2
    Miniport context   ffff8083e0772010


RECEIVE PATH

    Packet filter      [No flags set]
    Frame Type(s)      0x86dd

See also

Network Driver Design Guide

Windows Vista and Later Networking Reference

Debugging the Network Stack

NDIS extensions (Ndiskd.dll)

!ndiskd.help