Decode MAC frame control field.
HOT PATH: Called for every incoming MAC frame.
IEEE Std 802.15.4-2020, 7.2.1 (Frame control field)
05-3474-23 R23.1, Annex C.2 (Zigbee MAC frame subset)
SPEC COMPLIANCE NOTES:
✅ Parses Zigbee-required FCF bits and reconstructs addressing/security flags
✅ Rejects Multipurpose frame type forbidden by Zigbee MAC profile
⚠️ Leaves Information Element interpretation to higher layers by design
DEVICE SCOPE: All logical devices.
Decode MAC frame control field. HOT PATH: Called for every incoming MAC frame. IEEE Std 802.15.4-2020, 7.2.1 (Frame control field) 05-3474-23 R23.1, Annex C.2 (Zigbee MAC frame subset)
SPEC COMPLIANCE NOTES: