knoppix 3.4 /17-5 kernel sources

Hi all, 
I would compile (make-kpkg) the Conexant-based USB DSL modem kernel module 
from the debian package xdslusb-source, and I need the right source for 
kernel 2.6.6 that is in it. 

However I did not found the right kernel source here:

http://www.knopper.net/knoppix/sources/

Maybe there is an updated link to download from or a cvs/svn repository?

TIA
-- 
Marco Amadori <elessar-2/[email protected]>