The found the following SIOC* in the appletalk/ddp.c file:
SIOCGIFFLAGS
SIOCGIFADDR SIOCSIFADDR SIOCDIFADDR
SIOCGIFBRDADDR
Should be covered in fs/compat_ioctl.c
SIOCADDRT
SIOCATALKDIFADDR
SIOCDARP SIOCSARP
These are missing and need to be implemented.
-Andi