MGMT_FRAME_FIXED_PART_LENGTH  919 drivers/net/wireless/intel/ipw2x00/libipw_rx.c #define MGMT_FRAME_FIXED_PART_LENGTH		0x24
MGMT_FRAME_FIXED_PART_LENGTH 1336 drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c #define MGMT_FRAME_FIXED_PART_LENGTH            0x24