seems all BCM WIFI PHY & MAC sourcecode of ABG/N/LP/NT/SSN hope your can build it or take part for independ module MAC https://github.com/elenril/VMG1312-B/tree/master/bcmdrivers/broadcom/net/wl/impl10/wl/sys PHY https://github.com/elenril/VMG1312-B/tree/master/bcmdrivers/broadcom/net/wl/impl10/wl/phy