MT_AMPDU_MAX_LEN_20M1S  300 drivers/net/wireless/mediatek/mt76/mt76x02_regs.h #define MT_AMPDU_MAX_LEN_20M1S		0x1030
MT_AMPDU_MAX_LEN_20M1S  271 drivers/net/wireless/mediatek/mt7601u/regs.h #define MT_AMPDU_MAX_LEN_20M1S		0x1030