Re: USB gadget support?

[Marcel Holtmann <marcel holtmann org>]

Hi Dan,

> > > > I have F16 here (NM 0.9.2) with a Beagleboard doing USB gadget 
> > > > networking, and NM seems to be treating the wired and USB connections as 
> > > > the same thing. After booting the Beagleboard, I get two "Wired" items 
> > > > in the NM connection list, but they are sharing a single configuration. 
> > > > This is a problem because I need to share my host's ethernet in order to 
> > > > give the Beagleboard connectivity -- definitely not the same configuration.
> > > > When I click the "+" button for a new configuration, my only option is VPN.
> > > > 
> > > > I'm sure I had this working in F14 or F15, but I can't remember how. Am 
> > > > I missing something simple? Thanks!
> > > 
> > > Do either of the interfaces have stable MAC addresses?  The usual
> > > mechanism would be to lock connections to each of the MAC addresses of
> > > the interfaces, so that you have connection #1 locked to onboard wired,
> > > and connection #2 locked to USB, and then they are both set up
> > > correctly.  Unfortunately, I think on the gadget stuff sometimes the MAC
> > > address is random and then this becomes an excercise in creating udev
> > > rules to set the MAC address to a well-known one.
> > 
> > I fixed this in the kernel a long time ago. USB networking gadgets
> > contain DEVTYPE=gadget. No need to play crazy address tricks.
> 
> Even if they have DEVTYPE=gadget, if you have two gadget devices, you
> still need some way to associate configuration with a particular gadget
> netdev.  Which comes back to MAC address, really...

how do you run two gadgets (device side) anyway. The current gadget
subsystem is limiting here. Also what you wanna do is run a DHCP server
on this gadget.

Regards

Marcel