IXGBE_QPRDC
stats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
stats->qprdc[tc] += IXGBE_READ_REG(hw, IXGBE_QPRDC(tc));