CARL9170_NUM_TX_LIMIT_HARD
BUILD_BUG_ON(CARL9170_NUM_TX_LIMIT_HARD < CARL9170_NUM_TX_LIMIT_SOFT);
BUILD_BUG_ON(CARL9170_NUM_TX_LIMIT_HARD >= CARL9170_BAW_BITS);
ar->tx_stats[i].limit = CARL9170_NUM_TX_LIMIT_HARD;