6lowpan spec provides a clue on how to handle this:
A short IEEE 802.15.4 address is 16 bits in length. Short addresses
are mapped into the restricted space of IEEE EUI-64 addresses by
setting the middle 16 bits to 0xfffe, the bottom 16 bits to the short
address, and all other bits to zero. As a result, an IID generated
from a short address has the form:
0000:00ff:fe00:XXXX
where XXXX carries the short address. The universal/local bit is
zero to indicate local scope.
If we convert the short addresses to this format for the upper layers
will have a fixed address format. On transmit look for this pattern
and then convert back to short address mode. struct ieee802154_addr
can be eliminated and replaced with u8[ALEN].
--
Jon Smirl
[email protected]
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