MT_TXD7_SPE_IDX
FIELD_PREP(MT_TXD7_SPE_IDX, 0x18);
txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX, spe_idx));
txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX,