IXGBE_QPTC
stats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
IXGBE_READ_REG(hw, IXGBE_QPTC(i));
stats->qptc[tc] += IXGBE_READ_REG(hw, IXGBE_QPTC(tc));
stats->qptc[tc] += IXGBE_READ_REG(hw, IXGBE_QPTC(tc));