This isn't a kernel problem - or at least it doesn't require a
kernel fix.
That is good news!
The usb driver's mac address can be set from userland, like so:
ifconfig usb0 down
ifconfig usb0 hw ether 45:23:ED:23:98:34
I tried the same on the Sharp Zaurus (the OpenMoko is currently dead
because
of the battery charging issues).
The Zaurus appears to permanently (re)set it to 40:00:01:00:00:01
each time the
USB cable is plugged into the host. Having this reset is a good
approach...
But this explains the trouble I had some time ago when I tried to
connect two
Zaurus devices to the same host... Both share the same MAC address :-)
Setting it to match the BT address (or the BT address plus one,
which is
what I'd more likely expect; all my computers with multiple on-
board ethernet
cards use consecutive mac addresses for each card) is fairly
trivial *except*
that to get the BT mac address you have to load the BT modules and
turn BT on,
so you'd be better off setting up a routine that does that if
necessary but
then saves the new MAC address to disk and uses that disk cached
value in the
future. It can all be done with a little bit of shell scripting on
boot.
