bcm43xx-decsape-20060104.tar.bz2 is  the brcm chip wireless module?

bcm43xx-standalone-060313.tar.bz2  is the brcm chip wireless module?

I compiled the bcm43xx-descape-20060104

kernel directory was /openwrt/build_mipsel/linux

I can compile the bcm43xx-xxxx

what is changed in kernel?

and, where is changed in kernel?

AND

What is that relate with wl.o?

If that is relate with wl.o, how can I make it with the bcm43xx-decsape-20060104.tar.bz2.

If I modify the compression file(bcm43xx-decsape-20060104.tar.bz2) and recompile it,  is that changed

the wireless part in router?

I so wander it...

T_T