hellhound@linuxborg ~ $ cd usb-rndis-lite/
hellhound@linuxborg ~/usb-rndis-lite $ make
make -C /lib/modules/2.6.20-gentoo-r3/build SUBDIRS=/home/hellhound/usb-rndis-lite modules
make[1]: Entering directory `/usr/src/linux-2.6.20-gentoo-r3'
  CC [M]  /home/hellhound/usb-rndis-lite/usbnet.o
/home/hellhound/usb-rndis-lite/usbnet.c: In function 'init_status':
/home/hellhound/usb-rndis-lite/usbnet.c:183: error: 'SLAB_KERNEL' undeclared (first use in this function)
/home/hellhound/usb-rndis-lite/usbnet.c:183: error: (Each undeclared identifier is reported only once
/home/hellhound/usb-rndis-lite/usbnet.c:183: error: for each function it appears in.)
/home/hellhound/usb-rndis-lite/usbnet.c:1153:38: error: macro "INIT_WORK" passed 3 arguments, but takes just 2
/home/hellhound/usb-rndis-lite/usbnet.c: In function 'usbnet_probe':
/home/hellhound/usb-rndis-lite/usbnet.c:1153: error: 'INIT_WORK' undeclared (first use in this function)
make[2]: *** [/home/hellhound/usb-rndis-lite/usbnet.o] Error 1
make[1]: *** [_module_/home/hellhound/usb-rndis-lite] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.20-gentoo-r3'
make: *** [default] Error 2