I'd like to use a USB bridge cable for updating the firmware in an embedded 
linux device from a Windows box.  The device features a USB A port but no B 
port.  I'd like to distribute a bridge cable and a custom windows app, and 
instruct the user to merely run the app and plug in the cable.

As I understand it, USB bridge cables are currently only supported on Linux 
via the usbnet driver.  I could use that, but I'd rather not expose my users 
to the additional complexity of configuring Windows networking.

The transmission would be a single unidirectional bulk transfer.  As such, I 
don't need medium access control, addressing, connections, etc.  So I should 
be able to do away with those layers of network protocol, right?

Ignoring Windows for the moment, is it feasible to cut down the usbnet driver 
to send a file between two linux machines without using the network stack?  
Or am I fundamentally misunderstanding something?

Greg



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