IPv6 on MIPS device

Hi All,
I wanna port Linux IPv6 (as a module) onto
a MIPS processor based device.
I have mipsel-linux-gcc cross compiler.
Pls suggest on how to go about this...???
Can i compile only IPv6 code or
do i need to compile the entire kernel ???

Thanx in advance.

Regds,
Santosh
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