* Martin Husemann <martin@duskware.de> [2007-08-20 08:06 UTC]:
> On Mon, Aug 20, 2007 at 06:26:47AM +0000, Michael van Elst wrote:
> > That's both PPPOEGETSESSION, once with a 32 byte argument, once
> > with a 144 byte argument. Clearly kernel and userland are out
> > of sync regarding sizeof(struct pppoeconnectionstate).
> 
> ... and someone borked ioctl compatibility (probably a change to IFNAMSIZ).

I should've mentioned that PPPOEGETSESSION evaluates to 3223349616 on
_both_ sides.  That is, replacing the PPPOEGETSESSION macro with the
hardcoded value 3223349616UL within both the ioctl(2) call and
pppoe_ioctl()'s switch case doesn't change anything.

Holger