RDC: Support for processing ACKs
nullrdc: Send software acknowledgement frames in response to beacon and
command frames, as well
NETWORK driver that does not do a thing
Channel reciprocity test infrastructure
CC2420: Support for sending designated frames on a specific channel
CC2420: Saving the channel on which the current frame was received
coresec: coresec_scheme that implements PHY key agreement
llsec: Support for authenticated 802.15.4 acknowledgement frames
screwed