Virtual NIC driver

NTDEV
1

First, a short description of what I need…

I need to write (or find) a driver that emulates a NIC. All data that would normally be on the wire would be sourced from/returned to user-mode code using the driver.
Is there any sample/example code that would be particularly helpful? Any other helpful direction in which I might go?

Then, a short explanation of why I need it…

I have a program that simulates an embedded microcontroller and its peripherals. (I didn’t write this, it is provided by Microchip, the producer of the simulated chip). The simulator is user-extensible, and I’d like to add support for the microcontroller’s embedded NIC, reflecting all input and output via the driver described above. This will effectively create a 2-node virtual network that will allow the PC to communicate with the simulated system just the way it would with a real device. For example, custom applications on the PC, or even a web browser, could interact with the simulated embedded system.

Thanks,

* Bob

? Bob Ammerman
? xxxxx@ramsystems.biz
716.864.8337

138 Liston St
Buffalo, NY 14223
www.ramsystems.biz

2

If I am correct , the XP DDK 6001 contains such a sample at \network\ndis\netvmini

Regards , Christiaan

----- Original Message -----
From: “Robert Ammerman”
To: “Windows System Software Devs Interest List”
Sent: Wednesday, August 17, 2016 2:03 PM
Subject: [ntdev] Virtual NIC driver

First, a short description of what I need…

I need to write (or find) a driver that emulates a NIC. All data that would normally be on the wire would be sourced from/returned
to user-mode code using the driver.
Is there any sample/example code that would be particularly helpful? Any other helpful direction in which I might go?

Then, a short explanation of why I need it…

I have a program that simulates an embedded microcontroller and its peripherals. (I didn’t write this, it is provided by Microchip,
the producer of the simulated chip). The simulator is user-extensible, and I’d like to add support for the microcontroller’s
embedded NIC, reflecting all input and output via the driver described above. This will effectively create a 2-node virtual network
that will allow the PC to communicate with the simulated system just the way it would with a real device. For example, custom
applications on the PC, or even a web browser, could interact with the simulated embedded system.

Thanks,

* Bob

Bob Ammerman
xxxxx@ramsystems.biz
716.864.8337

138 Liston St
Buffalo, NY 14223
www.ramsystems.biz

>

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3

XP?!? Anything newer?

Bob Ammerman
RAm Systems
716.864.8337

On Wed, Aug 17, 2016 at 6:27 AM -0700, “Christiaan Ghijselinck” > wrote:

If I am correct , the XP DDK 6001 contains such a sample at \network\ndis\netvmini

Regards , Christiaan

----- Original Message -----
From: “Robert Ammerman”
To: “Windows System Software Devs Interest List”
Sent: Wednesday, August 17, 2016 2:03 PM
Subject: [ntdev] Virtual NIC driver

First, a short description of what I need…

I need to write (or find) a driver that emulates a NIC. All data that would normally be on the wire would be sourced from/returned
to user-mode code using the driver.
Is there any sample/example code that would be particularly helpful? Any other helpful direction in which I might go?

Then, a short explanation of why I need it…

I have a program that simulates an embedded microcontroller and its peripherals. (I didn’t write this, it is provided by Microchip,
the producer of the simulated chip). The simulator is user-extensible, and I’d like to add support for the microcontroller’s
embedded NIC, reflecting all input and output via the driver described above. This will effectively create a 2-node virtual network
that will allow the PC to communicate with the simulated system just the way it would with a real device. For example, custom
applications on the PC, or even a web browser, could interact with the simulated embedded system.

Thanks,

* Bob

Bob Ammerman
xxxxx@ramsystems.biz
716.864.8337

138 Liston St
Buffalo, NY 14223
www.ramsystems.bizhttp:

>

—
NTDEV is sponsored by OSR

Visit the list online at: http:

MONTHLY seminars on crash dump analysis, WDF, Windows internals and software drivers!
Details at http:

To unsubscribe, visit the List Server section of OSR Online at http:

—
NTDEV is sponsored by OSR

Visit the list online at: http:

MONTHLY seminars on crash dump analysis, WDF, Windows internals and software drivers!
Details at http:

To unsubscribe, visit the List Server section of OSR Online at http:</http:></http:></http:></http:></http:></http:></http:>

4

Look at VirtualBox Host-Only Ethernet adapter at src\VBox\HostDrivers\VBoxNetFlt\win\drv
The sources are available from www.virtualbox.org .

5

Christiaan Ghijselinck wrote:

If I am correct , the XP DDK 6001 contains such a sample at \network\ndis\netvmini

6001 was the Windows 2008 SP1 DDK. However, this sample is present even
the current driver sample set:

https://github.com/Microsoft/Windows-driver-samples/tree/master/network/ndis/netvmini/6x

(XP was 2600, Server 2003 was 3790, Vista was 6000, Server 2008 was
6001, Win 7 was 7600.)

–
Tim Roberts, xxxxx@probo.com
Providenza & Boekelheide, Inc.

6

There is a virtual nic in the current WDK samples on Github. Look for the netvmini sample. There is also USB over Ethernet code around, which you might find a way to simulate a USB rndis nic with, perhaps entirely from user mode.

Jan

On Wed, Aug 17, 2016 at 5:04 AM -0700, “Robert Ammerman” > wrote:

First, a short description of what I need…

I need to write (or find) a driver that emulates a NIC. All data that would normally be on the wire would be sourced from/returned to user-mode code using the driver.
Is there any sample/example code that would be particularly helpful? Any other helpful direction in which I might go?

Then, a short explanation of why I need it…

I have a program that simulates an embedded microcontroller and its peripherals. (I didn’t write this, it is provided by Microchip, the producer of the simulated chip). The simulator is user-extensible, and I’d like to add support for the microcontroller’s embedded NIC, reflecting all input and output via the driver described above. This will effectively create a 2-node virtual network that will allow the PC to communicate with the simulated system just the way it would with a real device. For example, custom applications on the PC, or even a web browser, could interact with the simulated embedded system.

Thanks,

* Bob

Bob Ammerman
xxxxx@ramsystems.biz
716.864.8337

138 Liston St
Buffalo, NY 14223
www.ramsystems.bizhttp:

>

—
NTDEV is sponsored by OSR

Visit the list online at: http:

MONTHLY seminars on crash dump analysis, WDF, Windows internals and software drivers!
Details at http:

To unsubscribe, visit the List Server section of OSR Online at http:</http:></http:></http:></http:>