this kcontrol module shows the current configuration of the IEEE 1394 bus.
It uses libraw1394 (see www.linux1394.org). I don't know how the 1394 apis
on other OS's look, feel free to port it :-)

The file oui.txt is available from the hwdata project, installed as system
package:
https://github.com/vcrhonek/hwdata

Alex
<neundorf@kde.org>
