############################################################################# # Celestica # # Sfp contains an implementation of SONiC Platform Base API and # provides the sfp device status which are available in the platform # ############################################################################# try: import time from ctypes import c_char from sonic_platform_base.sfp_base import SfpBase from sonic_platform_base.sonic_sfp.sff8472 import sff8472InterfaceId from sonic_platform_base.sonic_sfp.sff8472 import sff8472Dom from sonic_platform_base.sonic_sfp.sff8436 import sff8436InterfaceId from sonic_platform_base.sonic_sfp.sff8436 import sff8436Dom from sonic_platform_base.sonic_sfp.inf8628 import inf8628InterfaceId from .common import Common except ImportError as e: raise ImportError(str(e) + "- required module not found") INFO_OFFSET = 128 DOM_OFFSET = 0 # definitions of the offset and width for values in XCVR info eeprom XCVR_INTFACE_BULK_OFFSET = 0 XCVR_INTFACE_BULK_WIDTH_QSFP = 20 XCVR_INTFACE_BULK_WIDTH_SFP = 21 XCVR_TYPE_OFFSET = 0 XCVR_TYPE_WIDTH = 1 XCVR_EXT_TYPE_OFFSET = 1 XCVR_EXT_TYPE_WIDTH = 1 XCVR_CONNECTOR_OFFSET = 2 XCVR_CONNECTOR_WIDTH = 1 XCVR_COMPLIANCE_CODE_OFFSET = 3 XCVR_COMPLIANCE_CODE_WIDTH = 8 XCVR_ENCODING_OFFSET = 11 XCVR_ENCODING_WIDTH = 1 XCVR_NBR_OFFSET = 12 XCVR_NBR_WIDTH = 1 XCVR_EXT_RATE_SEL_OFFSET = 13 XCVR_EXT_RATE_SEL_WIDTH = 1 XCVR_CABLE_LENGTH_OFFSET = 14 XCVR_CABLE_LENGTH_WIDTH_QSFP = 5 XCVR_CABLE_LENGTH_WIDTH_SFP = 6 XCVR_VENDOR_NAME_OFFSET = 20 XCVR_VENDOR_NAME_WIDTH = 16 XCVR_VENDOR_OUI_OFFSET = 37 XCVR_VENDOR_OUI_WIDTH = 3 XCVR_VENDOR_PN_OFFSET = 40 XCVR_VENDOR_PN_WIDTH = 16 XCVR_HW_REV_OFFSET = 56 XCVR_HW_REV_WIDTH_OSFP = 2 XCVR_HW_REV_WIDTH_QSFP = 2 XCVR_HW_REV_WIDTH_SFP = 4 XCVR_VENDOR_SN_OFFSET = 68 XCVR_VENDOR_SN_WIDTH = 16 XCVR_VENDOR_DATE_OFFSET = 84 XCVR_VENDOR_DATE_WIDTH = 8 XCVR_DOM_CAPABILITY_OFFSET = 92 XCVR_DOM_CAPABILITY_WIDTH = 2 XCVR_INTERFACE_DATA_START = 0 XCVR_INTERFACE_DATA_SIZE = 92 QSFP_DOM_BULK_DATA_START = 22 QSFP_DOM_BULK_DATA_SIZE = 36 SFP_DOM_BULK_DATA_START = 96 SFP_DOM_BULK_DATA_SIZE = 10 # definitions of the offset for values in OSFP info eeprom OSFP_TYPE_OFFSET = 0 OSFP_VENDOR_NAME_OFFSET = 129 OSFP_VENDOR_PN_OFFSET = 148 OSFP_HW_REV_OFFSET = 164 OSFP_VENDOR_SN_OFFSET = 166 # Offset for values in QSFP eeprom QSFP_DOM_REV_OFFSET = 1 QSFP_DOM_REV_WIDTH = 1 QSFP_TEMPE_OFFSET = 22 QSFP_TEMPE_WIDTH = 2 QSFP_VOLT_OFFSET = 26 QSFP_VOLT_WIDTH = 2 QSFP_VERSION_COMPLIANCE_OFFSET = 1 QSFP_VERSION_COMPLIANCE_WIDTH = 2 QSFP_CHANNL_MON_OFFSET = 34 QSFP_CHANNL_MON_WIDTH = 16 QSFP_CHANNL_MON_WITH_TX_POWER_WIDTH = 24 QSFP_CHANNL_DISABLE_STATUS_OFFSET = 86 QSFP_CHANNL_DISABLE_STATUS_WIDTH = 1 QSFP_CHANNL_RX_LOS_STATUS_OFFSET = 3 QSFP_CHANNL_RX_LOS_STATUS_WIDTH = 1 QSFP_CHANNL_TX_FAULT_STATUS_OFFSET = 4 QSFP_CHANNL_TX_FAULT_STATUS_WIDTH = 1 QSFP_CONTROL_OFFSET = 86 QSFP_CONTROL_WIDTH = 8 QSFP_MODULE_MONITOR_OFFSET = 0 QSFP_MODULE_MONITOR_WIDTH = 9 QSFP_POWEROVERRIDE_OFFSET = 93 QSFP_POWEROVERRIDE_WIDTH = 1 QSFP_POWEROVERRIDE_BIT = 0 QSFP_POWERSET_BIT = 1 QSFP_OPTION_VALUE_OFFSET = 192 QSFP_OPTION_VALUE_WIDTH = 4 QSFP_MODULE_UPPER_PAGE3_START = 384 QSFP_MODULE_THRESHOLD_OFFSET = 128 QSFP_MODULE_THRESHOLD_WIDTH = 24 QSFP_CHANNL_THRESHOLD_OFFSET = 176 QSFP_CHANNL_THRESHOLD_WIDTH = 24 SFP_MODULE_ADDRA2_OFFSET = 256 SFP_MODULE_THRESHOLD_OFFSET = 0 SFP_MODULE_THRESHOLD_WIDTH = 56 SFP_CHANNL_THRESHOLD_OFFSET = 112 SFP_CHANNL_THRESHOLD_WIDTH = 2 SFP_TEMPE_OFFSET = 96 SFP_TEMPE_WIDTH = 2 SFP_VOLT_OFFSET = 98 SFP_VOLT_WIDTH = 2 SFP_CHANNL_MON_OFFSET = 100 SFP_CHANNL_MON_WIDTH = 6 SFP_STATUS_CONTROL_OFFSET = 110 SFP_STATUS_CONTROL_WIDTH = 1 SFP_TX_DISABLE_HARD_BIT = 7 SFP_TX_DISABLE_SOFT_BIT = 6 qsfp_cable_length_tup = ('Length(km)', 'Length OM3(2m)', 'Length OM2(m)', 'Length OM1(m)', 'Length Cable Assembly(m)') sfp_cable_length_tup = ('LengthSMFkm-UnitsOfKm', 'LengthSMF(UnitsOf100m)', 'Length50um(UnitsOf10m)', 'Length62.5um(UnitsOfm)', 'LengthCable(UnitsOfm)', 'LengthOM3(UnitsOf10m)') sfp_compliance_code_tup = ('10GEthernetComplianceCode', 'InfinibandComplianceCode', 'ESCONComplianceCodes', 'SONETComplianceCodes', 'EthernetComplianceCodes', 'FibreChannelLinkLength', 'FibreChannelTechnology', 'SFP+CableTechnology', 'FibreChannelTransmissionMedia', 'FibreChannelSpeed') qsfp_compliance_code_tup = ('10/40G Ethernet Compliance Code', 'SONET Compliance codes', 'SAS/SATA compliance codes', 'Gigabit Ethernet Compliant codes', 'Fibre Channel link length/Transmitter Technology', 'Fibre Channel transmission media', 'Fibre Channel Speed') SFP_TYPE = "SFP" QSFP_TYPE = "QSFP" OSFP_TYPE = "OSFP" ETP_TYPE = "ETP" SFP_PORT_START = 49 SFP_PORT_END = 52 PORT_START = 1 PORT_END = 55 class Sfp(SfpBase): """Platform-specific Sfp class""" # Port I2C number port_to_i2c_mapping = { 49: 15, 50: 14, 51: 17, 52: 16 } _sfp_port = list(range(SFP_PORT_START, SFP_PORT_END + 1)) PRS_PATH = "/sys/devices/platform/e1031.smc/SFP/sfp_modabs" def __init__(self, sfp_index, sfp_name): SfpBase.__init__(self) # Init common function self._api_common = Common() # Init index self.index = sfp_index self.port_num = self.index + 1 # Init sfp data self.sfp_type = self.__get_sfp_type() self.name = sfp_name # Init eeprom path eeprom_path = '/sys/bus/i2c/devices/i2c-{0}/{0}-0050/eeprom' self.port_to_eeprom_mapping = {} for x in range(PORT_START, PORT_END + 1): if x not in self._sfp_port: self.port_to_i2c_mapping[x] = None self.port_to_eeprom_mapping[x] = eeprom_path.format( self.port_to_i2c_mapping[x]) self.info_dict_keys = ['type', 'vendor_rev', 'serial', 'manufacturer', 'model', 'connector', 'encoding', 'ext_identifier', 'ext_rateselect_compliance', 'cable_type', 'cable_length', 'nominal_bit_rate', 'specification_compliance', 'vendor_date', 'vendor_oui', "application_advertisement", "type_abbrv_name"] self.dom_dict_keys = ['rx_los', 'tx_fault', 'reset_status', 'power_lpmode', 'tx_disable', 'tx_disable_channel', 'temperature', 'voltage', 'rx1power', 'rx2power', 'rx3power', 'rx4power', 'tx1bias', 'tx2bias', 'tx3bias', 'tx4bias', 'tx1power', 'tx2power', 'tx3power', 'tx4power'] self.threshold_dict_keys = ['temphighalarm', 'temphighwarning', 'templowalarm', 'templowwarning', 'vcchighalarm', 'vcchighwarning', 'vcclowalarm', 'vcclowwarning', 'rxpowerhighalarm', 'rxpowerhighwarning', 'rxpowerlowalarm', 'rxpowerlowwarning', 'txpowerhighalarm', 'txpowerhighwarning', 'txpowerlowalarm', 'txpowerlowwarning', 'txbiashighalarm', 'txbiashighwarning', 'txbiaslowalarm', 'txbiaslowwarning'] self._dom_capability_detect() def __get_sfp_type(self): return SFP_TYPE if self.port_num in self._sfp_port else ETP_TYPE def _convert_string_to_num(self, value_str): if "-inf" in value_str: return float("-inf") elif "Unknown" in value_str: return 'N/A' elif 'dBm' in value_str: t_str = value_str.rstrip('dBm') return float(t_str) elif 'mA' in value_str: t_str = value_str.rstrip('mA') return float(t_str) elif 'C' in value_str: t_str = value_str.rstrip('C') return float(t_str) elif 'Volts' in value_str: t_str = value_str.rstrip('Volts') return float(t_str) else: return 'N/A' def _read_eeprom_specific_bytes(self, offset, num_bytes): sysfsfile_eeprom = None eeprom_raw = [] for i in range(0, num_bytes): eeprom_raw.append("0x00") sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num] try: sysfsfile_eeprom = open( sysfs_sfp_i2c_client_eeprom_path, mode="rb", buffering=0) sysfsfile_eeprom.seek(offset) raw = sysfsfile_eeprom.read(num_bytes) if isinstance(raw, str): for n in range(0, num_bytes): eeprom_raw[n] = hex(ord(raw[n]))[2:].zfill(2) else: for n in range(0, num_bytes): eeprom_raw[n] = hex(raw[n])[2:].zfill(2) except BaseException: pass finally: if sysfsfile_eeprom: sysfsfile_eeprom.close() return eeprom_raw def _dom_capability_detect(self): if not self.get_presence(): self.dom_supported = False self.dom_temp_supported = False self.dom_volt_supported = False self.dom_rx_power_supported = False self.dom_tx_power_supported = False self.calibration = 0 return if self.sfp_type == "QSFP": self.calibration = 1 sfpi_obj = sff8436InterfaceId() if sfpi_obj is None: self.dom_supported = False offset = 128 # QSFP capability byte parse, through this byte can know whether it support tx_power or not. # TODO: in the future when decided to migrate to support SFF-8636 instead of SFF-8436, # need to add more code for determining the capability and version compliance # in SFF-8636 dom capability definitions evolving with the versions. qsfp_dom_capability_raw = self._read_eeprom_specific_bytes( (offset + XCVR_DOM_CAPABILITY_OFFSET), XCVR_DOM_CAPABILITY_WIDTH) if qsfp_dom_capability_raw is not None: qsfp_version_compliance_raw = self._read_eeprom_specific_bytes( QSFP_VERSION_COMPLIANCE_OFFSET, QSFP_VERSION_COMPLIANCE_WIDTH) qsfp_version_compliance = int( qsfp_version_compliance_raw[0], 16) dom_capability = sfpi_obj.parse_dom_capability( qsfp_dom_capability_raw, 0) if qsfp_version_compliance >= 0x08: self.dom_temp_supported = dom_capability['data']['Temp_support']['value'] == 'On' self.dom_volt_supported = dom_capability['data']['Voltage_support']['value'] == 'On' self.dom_rx_power_supported = dom_capability['data']['Rx_power_support']['value'] == 'On' self.dom_tx_power_supported = dom_capability['data']['Tx_power_support']['value'] == 'On' else: self.dom_temp_supported = True self.dom_volt_supported = True self.dom_rx_power_supported = dom_capability['data']['Rx_power_support']['value'] == 'On' self.dom_tx_power_supported = True self.dom_supported = True self.calibration = 1 sfpd_obj = sff8436Dom() if sfpd_obj is None: return None qsfp_option_value_raw = self._read_eeprom_specific_bytes( QSFP_OPTION_VALUE_OFFSET, QSFP_OPTION_VALUE_WIDTH) if qsfp_option_value_raw is not None: optional_capability = sfpd_obj.parse_option_params( qsfp_option_value_raw, 0) self.dom_tx_disable_supported = optional_capability[ 'data']['TxDisable']['value'] == 'On' dom_status_indicator = sfpd_obj.parse_dom_status_indicator( qsfp_version_compliance_raw, 1) self.qsfp_page3_available = dom_status_indicator['data']['FlatMem']['value'] == 'Off' else: self.dom_supported = False self.dom_temp_supported = False self.dom_volt_supported = False self.dom_rx_power_supported = False self.dom_tx_power_supported = False self.calibration = 0 self.qsfp_page3_available = False elif self.sfp_type == "SFP": sfpi_obj = sff8472InterfaceId() if sfpi_obj is None: return None sfp_dom_capability_raw = self._read_eeprom_specific_bytes( XCVR_DOM_CAPABILITY_OFFSET, XCVR_DOM_CAPABILITY_WIDTH) if sfp_dom_capability_raw is not None: sfp_dom_capability = int(sfp_dom_capability_raw[0], 16) self.dom_supported = (sfp_dom_capability & 0x40 != 0) if self.dom_supported: self.dom_temp_supported = True self.dom_volt_supported = True self.dom_rx_power_supported = True self.dom_tx_power_supported = True if sfp_dom_capability & 0x20 != 0: self.calibration = 1 elif sfp_dom_capability & 0x10 != 0: self.calibration = 2 else: self.calibration = 0 else: self.dom_temp_supported = False self.dom_volt_supported = False self.dom_rx_power_supported = False self.dom_tx_power_supported = False self.calibration = 0 self.dom_tx_disable_supported = ( int(sfp_dom_capability_raw[1], 16) & 0x40 != 0) else: self.dom_supported = False self.dom_temp_supported = False self.dom_volt_supported = False self.dom_rx_power_supported = False self.dom_tx_power_supported = False def get_transceiver_info(self): """ Retrieves transceiver info of this SFP Returns: A dict which contains following keys/values : ======================================================================== keys |Value Format |Information ---------------------------|---------------|---------------------------- type |1*255VCHAR |type of SFP vendor_rev |1*255VCHAR |vendor revision of SFP serial |1*255VCHAR |serial number of the SFP manufacturer |1*255VCHAR |SFP vendor name model |1*255VCHAR |SFP model name connector |1*255VCHAR |connector information encoding |1*255VCHAR |encoding information ext_identifier |1*255VCHAR |extend identifier ext_rateselect_compliance |1*255VCHAR |extended rateSelect compliance cable_length |INT |cable length in m nominal_bit_rate |INT |nominal bit rate by 100Mbs specification_compliance |1*255VCHAR |specification compliance vendor_date |1*255VCHAR |vendor date vendor_oui |1*255VCHAR |vendor OUI ======================================================================== """ compliance_code_dict = {} transceiver_info_dict = dict.fromkeys(self.info_dict_keys, 'N/A') transceiver_info_dict['specification_compliance'] = '{}' if not self.get_presence(): return transceiver_info_dict # ToDo: OSFP tranceiver info parsing not fully supported. # in inf8628.py lack of some memory map definition # will be implemented when the inf8628 memory map ready if self.sfp_type == OSFP_TYPE: offset = 0 vendor_rev_width = XCVR_HW_REV_WIDTH_OSFP sfpi_obj = inf8628InterfaceId() if sfpi_obj is None: return None sfp_type_raw = self._read_eeprom_specific_bytes( (offset + OSFP_TYPE_OFFSET), XCVR_TYPE_WIDTH) if sfp_type_raw is not None: sfp_type_data = sfpi_obj.parse_sfp_type(sfp_type_raw, 0) else: return None sfp_vendor_name_raw = self._read_eeprom_specific_bytes( (offset + OSFP_VENDOR_NAME_OFFSET), XCVR_VENDOR_NAME_WIDTH) if sfp_vendor_name_raw is not None: sfp_vendor_name_data = sfpi_obj.parse_vendor_name( sfp_vendor_name_raw, 0) else: return None sfp_vendor_pn_raw = self._read_eeprom_specific_bytes( (offset + OSFP_VENDOR_PN_OFFSET), XCVR_VENDOR_PN_WIDTH) if sfp_vendor_pn_raw is not None: sfp_vendor_pn_data = sfpi_obj.parse_vendor_pn( sfp_vendor_pn_raw, 0) else: return None sfp_vendor_rev_raw = self._read_eeprom_specific_bytes( (offset + OSFP_HW_REV_OFFSET), vendor_rev_width) if sfp_vendor_rev_raw is not None: sfp_vendor_rev_data = sfpi_obj.parse_vendor_rev( sfp_vendor_rev_raw, 0) else: return None sfp_vendor_sn_raw = self._read_eeprom_specific_bytes( (offset + OSFP_VENDOR_SN_OFFSET), XCVR_VENDOR_SN_WIDTH) if sfp_vendor_sn_raw is not None: sfp_vendor_sn_data = sfpi_obj.parse_vendor_sn( sfp_vendor_sn_raw, 0) else: return None transceiver_info_dict['type'] = sfp_type_data['data']['type']['value'] transceiver_info_dict['manufacturer'] = sfp_vendor_name_data['data']['Vendor Name']['value'] transceiver_info_dict['model'] = sfp_vendor_pn_data['data']['Vendor PN']['value'] transceiver_info_dict['vendor_rev'] = sfp_vendor_rev_data['data']['Vendor Rev']['value'] transceiver_info_dict['serial'] = sfp_vendor_sn_data['data']['Vendor SN']['value'] transceiver_info_dict['vendor_oui'] = 'N/A' transceiver_info_dict['vendor_date'] = 'N/A' transceiver_info_dict['connector'] = 'N/A' transceiver_info_dict['encoding'] = 'N/A' transceiver_info_dict['ext_identifier'] = 'N/A' transceiver_info_dict['ext_rateselect_compliance'] = 'N/A' transceiver_info_dict['cable_type'] = 'N/A' transceiver_info_dict['cable_length'] = 'N/A' transceiver_info_dict['specification_compliance'] = '{}' transceiver_info_dict['nominal_bit_rate'] = 'N/A' else: if self.sfp_type == QSFP_TYPE: offset = 128 vendor_rev_width = XCVR_HW_REV_WIDTH_QSFP # cable_length_width = XCVR_CABLE_LENGTH_WIDTH_QSFP interface_info_bulk_width = XCVR_INTFACE_BULK_WIDTH_QSFP sfpi_obj = sff8436InterfaceId() if sfpi_obj is None: print("Error: sfp_object open failed") return None else: offset = 0 vendor_rev_width = XCVR_HW_REV_WIDTH_SFP # cable_length_width = XCVR_CABLE_LENGTH_WIDTH_SFP interface_info_bulk_width = XCVR_INTFACE_BULK_WIDTH_SFP sfpi_obj = sff8472InterfaceId() if sfpi_obj is None: print("Error: sfp_object open failed") return None sfp_interface_bulk_raw = self._read_eeprom_specific_bytes( offset + XCVR_INTERFACE_DATA_START, XCVR_INTERFACE_DATA_SIZE) if sfp_interface_bulk_raw is None: return None start = XCVR_INTFACE_BULK_OFFSET - XCVR_INTERFACE_DATA_START end = start + interface_info_bulk_width sfp_interface_bulk_data = sfpi_obj.parse_sfp_info_bulk( sfp_interface_bulk_raw[start: end], 0) start = XCVR_VENDOR_NAME_OFFSET - XCVR_INTERFACE_DATA_START end = start + XCVR_VENDOR_NAME_WIDTH sfp_vendor_name_data = sfpi_obj.parse_vendor_name( sfp_interface_bulk_raw[start: end], 0) start = XCVR_VENDOR_PN_OFFSET - XCVR_INTERFACE_DATA_START end = start + XCVR_VENDOR_PN_WIDTH sfp_vendor_pn_data = sfpi_obj.parse_vendor_pn( sfp_interface_bulk_raw[start: end], 0) start = XCVR_HW_REV_OFFSET - XCVR_INTERFACE_DATA_START end = start + vendor_rev_width sfp_vendor_rev_data = sfpi_obj.parse_vendor_rev( sfp_interface_bulk_raw[start: end], 0) start = XCVR_VENDOR_SN_OFFSET - XCVR_INTERFACE_DATA_START end = start + XCVR_VENDOR_SN_WIDTH sfp_vendor_sn_data = sfpi_obj.parse_vendor_sn( sfp_interface_bulk_raw[start: end], 0) start = XCVR_VENDOR_OUI_OFFSET - XCVR_INTERFACE_DATA_START end = start + XCVR_VENDOR_OUI_WIDTH sfp_vendor_oui_data = sfpi_obj.parse_vendor_oui( sfp_interface_bulk_raw[start: end], 0) start = XCVR_VENDOR_DATE_OFFSET - XCVR_INTERFACE_DATA_START end = start + XCVR_VENDOR_DATE_WIDTH sfp_vendor_date_data = sfpi_obj.parse_vendor_date( sfp_interface_bulk_raw[start: end], 0) transceiver_info_dict['type'] = sfp_interface_bulk_data['data']['type']['value'] transceiver_info_dict['manufacturer'] = sfp_vendor_name_data['data']['Vendor Name']['value'] transceiver_info_dict['model'] = sfp_vendor_pn_data['data']['Vendor PN']['value'] transceiver_info_dict['vendor_rev'] = sfp_vendor_rev_data['data']['Vendor Rev']['value'] transceiver_info_dict['serial'] = sfp_vendor_sn_data['data']['Vendor SN']['value'] transceiver_info_dict['vendor_oui'] = sfp_vendor_oui_data['data']['Vendor OUI']['value'] transceiver_info_dict['vendor_date'] = sfp_vendor_date_data[ 'data']['VendorDataCode(YYYY-MM-DD Lot)']['value'] transceiver_info_dict['connector'] = sfp_interface_bulk_data['data']['Connector']['value'] transceiver_info_dict['encoding'] = sfp_interface_bulk_data['data']['EncodingCodes']['value'] transceiver_info_dict['ext_identifier'] = sfp_interface_bulk_data['data']['Extended Identifier']['value'] transceiver_info_dict['ext_rateselect_compliance'] = sfp_interface_bulk_data['data']['RateIdentifier']['value'] transceiver_info_dict['type_abbrv_name'] = sfp_interface_bulk_data['data']['type_abbrv_name']['value'] if self.sfp_type == QSFP_TYPE: for key in qsfp_cable_length_tup: if key in sfp_interface_bulk_data['data']: transceiver_info_dict['cable_type'] = key transceiver_info_dict['cable_length'] = str( sfp_interface_bulk_data['data'][key]['value']) for key in qsfp_compliance_code_tup: if key in sfp_interface_bulk_data['data']['Specification compliance']['value']: compliance_code_dict[key] = sfp_interface_bulk_data['data']['Specification compliance']['value'][key]['value'] transceiver_info_dict['specification_compliance'] = str( compliance_code_dict) transceiver_info_dict['nominal_bit_rate'] = str( sfp_interface_bulk_data['data']['Nominal Bit Rate(100Mbs)']['value']) else: for key in sfp_cable_length_tup: if key in sfp_interface_bulk_data['data']: transceiver_info_dict['cable_type'] = key transceiver_info_dict['cable_length'] = str( sfp_interface_bulk_data['data'][key]['value']) for key in sfp_compliance_code_tup: if key in sfp_interface_bulk_data['data']['Specification compliance']['value']: compliance_code_dict[key] = sfp_interface_bulk_data['data']['Specification compliance']['value'][key]['value'] transceiver_info_dict['specification_compliance'] = str( compliance_code_dict) transceiver_info_dict['nominal_bit_rate'] = str( sfp_interface_bulk_data['data']['NominalSignallingRate(UnitsOf100Mbd)']['value']) return transceiver_info_dict def get_transceiver_bulk_status(self): """ Retrieves transceiver bulk status of this SFP Returns: A dict which contains following keys/values : ======================================================================== keys |Value Format |Information ---------------------------|---------------|---------------------------- rx_los |BOOLEAN |RX loss-of-signal status, True if has RX los, False if not. tx_fault |BOOLEAN |TX fault status, True if has TX fault, False if not. reset_status |BOOLEAN |reset status, True if SFP in reset, False if not. lp_mode |BOOLEAN |low power mode status, True in lp mode, False if not. tx_disable |BOOLEAN |TX disable status, True TX disabled, False if not. tx_disabled_channel |HEX |disabled TX channels in hex, bits 0 to 3 represent channel 0 | |to channel 3. temperature |INT |module temperature in Celsius voltage |INT |supply voltage in mV txbias |INT |TX Bias Current in mA, n is the channel number, | |for example, tx2bias stands for tx bias of channel 2. rxpower |INT |received optical power in mW, n is the channel number, | |for example, rx2power stands for rx power of channel 2. txpower |INT |TX output power in mW, n is the channel number, | |for example, tx2power stands for tx power of channel 2. ======================================================================== """ transceiver_dom_info_dict = dict.fromkeys(self.dom_dict_keys, 'N/A') if self.sfp_type == OSFP_TYPE: pass elif self.sfp_type == QSFP_TYPE: if not self.dom_supported: return transceiver_dom_info_dict offset = 0 sfpd_obj = sff8436Dom() if sfpd_obj is None: return transceiver_dom_info_dict dom_data_raw = self._read_eeprom_specific_bytes( (offset + QSFP_DOM_BULK_DATA_START), QSFP_DOM_BULK_DATA_SIZE) if dom_data_raw is None: return transceiver_dom_info_dict if self.dom_temp_supported: start = QSFP_TEMPE_OFFSET - QSFP_DOM_BULK_DATA_START end = start + QSFP_TEMPE_WIDTH dom_temperature_data = sfpd_obj.parse_temperature( dom_data_raw[start: end], 0) temp = self._convert_string_to_num( dom_temperature_data['data']['Temperature']['value']) if temp is not None: transceiver_dom_info_dict['temperature'] = temp if self.dom_volt_supported: start = QSFP_VOLT_OFFSET - QSFP_DOM_BULK_DATA_START end = start + QSFP_VOLT_WIDTH dom_voltage_data = sfpd_obj.parse_voltage( dom_data_raw[start: end], 0) volt = self._convert_string_to_num( dom_voltage_data['data']['Vcc']['value']) if volt is not None: transceiver_dom_info_dict['voltage'] = volt start = QSFP_CHANNL_MON_OFFSET - QSFP_DOM_BULK_DATA_START end = start + QSFP_CHANNL_MON_WITH_TX_POWER_WIDTH dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params_with_tx_power( dom_data_raw[start: end], 0) if self.dom_tx_power_supported: transceiver_dom_info_dict['tx1power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX1Power']['value']) transceiver_dom_info_dict['tx2power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX2Power']['value']) transceiver_dom_info_dict['tx3power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX3Power']['value']) transceiver_dom_info_dict['tx4power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX4Power']['value']) if self.dom_rx_power_supported: transceiver_dom_info_dict['rx1power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['RX1Power']['value']) transceiver_dom_info_dict['rx2power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['RX2Power']['value']) transceiver_dom_info_dict['rx3power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['RX3Power']['value']) transceiver_dom_info_dict['rx4power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['RX4Power']['value']) transceiver_dom_info_dict['tx1bias'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX1Bias']['value']) transceiver_dom_info_dict['tx2bias'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX2Bias']['value']) transceiver_dom_info_dict['tx3bias'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX3Bias']['value']) transceiver_dom_info_dict['tx4bias'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TX4Bias']['value']) else: if not self.dom_supported: return transceiver_dom_info_dict offset = 256 sfpd_obj = sff8472Dom() if sfpd_obj is None: return transceiver_dom_info_dict sfpd_obj._calibration_type = self.calibration dom_data_raw = self._read_eeprom_specific_bytes( (offset + SFP_DOM_BULK_DATA_START), SFP_DOM_BULK_DATA_SIZE) start = SFP_TEMPE_OFFSET - SFP_DOM_BULK_DATA_START end = start + SFP_TEMPE_WIDTH dom_temperature_data = sfpd_obj.parse_temperature( dom_data_raw[start: end], 0) start = SFP_VOLT_OFFSET - SFP_DOM_BULK_DATA_START end = start + SFP_VOLT_WIDTH dom_voltage_data = sfpd_obj.parse_voltage( dom_data_raw[start: end], 0) start = SFP_CHANNL_MON_OFFSET - SFP_DOM_BULK_DATA_START end = start + SFP_CHANNL_MON_WIDTH dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params( dom_data_raw[start: end], 0) transceiver_dom_info_dict['temperature'] = self._convert_string_to_num( dom_temperature_data['data']['Temperature']['value']) transceiver_dom_info_dict['voltage'] = self._convert_string_to_num( dom_voltage_data['data']['Vcc']['value']) transceiver_dom_info_dict['rx1power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['RXPower']['value']) transceiver_dom_info_dict['tx1bias'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TXBias']['value']) transceiver_dom_info_dict['tx1power'] = self._convert_string_to_num( dom_channel_monitor_data['data']['TXPower']['value']) transceiver_dom_info_dict['rx_los'] = self.get_rx_los() transceiver_dom_info_dict['tx_fault'] = self.get_tx_fault() transceiver_dom_info_dict['reset_status'] = self.get_reset_status() transceiver_dom_info_dict['lp_mode'] = self.get_lpmode() return transceiver_dom_info_dict def get_transceiver_threshold_info(self): """ Retrieves transceiver threshold info of this SFP Returns: A dict which contains following keys/values : ======================================================================== keys |Value Format |Information ---------------------------|---------------|---------------------------- temphighalarm |FLOAT |High Alarm Threshold value of temperature in Celsius. templowalarm |FLOAT |Low Alarm Threshold value of temperature in Celsius. temphighwarning |FLOAT |High Warning Threshold value of temperature in Celsius. templowwarning |FLOAT |Low Warning Threshold value of temperature in Celsius. vcchighalarm |FLOAT |High Alarm Threshold value of supply voltage in mV. vcclowalarm |FLOAT |Low Alarm Threshold value of supply voltage in mV. vcchighwarning |FLOAT |High Warning Threshold value of supply voltage in mV. vcclowwarning |FLOAT |Low Warning Threshold value of supply voltage in mV. rxpowerhighalarm |FLOAT |High Alarm Threshold value of received power in dBm. rxpowerlowalarm |FLOAT |Low Alarm Threshold value of received power in dBm. rxpowerhighwarning |FLOAT |High Warning Threshold value of received power in dBm. rxpowerlowwarning |FLOAT |Low Warning Threshold value of received power in dBm. txpowerhighalarm |FLOAT |High Alarm Threshold value of transmit power in dBm. txpowerlowalarm |FLOAT |Low Alarm Threshold value of transmit power in dBm. txpowerhighwarning |FLOAT |High Warning Threshold value of transmit power in dBm. txpowerlowwarning |FLOAT |Low Warning Threshold value of transmit power in dBm. txbiashighalarm |FLOAT |High Alarm Threshold value of tx Bias Current in mA. txbiaslowalarm |FLOAT |Low Alarm Threshold value of tx Bias Current in mA. txbiashighwarning |FLOAT |High Warning Threshold value of tx Bias Current in mA. txbiaslowwarning |FLOAT |Low Warning Threshold value of tx Bias Current in mA. ======================================================================== """ transceiver_dom_threshold_info_dict = dict.fromkeys( self.threshold_dict_keys, 'N/A') if self.sfp_type == OSFP_TYPE: pass elif self.sfp_type == QSFP_TYPE: if not self.dom_supported or not self.qsfp_page3_available: return transceiver_dom_threshold_info_dict # Dom Threshold data starts from offset 384 # Revert offset back to 0 once data is retrieved offset = QSFP_MODULE_UPPER_PAGE3_START sfpd_obj = sff8436Dom() if sfpd_obj is None: return transceiver_dom_threshold_info_dict dom_module_threshold_raw = self._read_eeprom_specific_bytes( (offset + QSFP_MODULE_THRESHOLD_OFFSET), QSFP_MODULE_THRESHOLD_WIDTH) if dom_module_threshold_raw is None: return transceiver_dom_threshold_info_dict dom_module_threshold_data = sfpd_obj.parse_module_threshold_values( dom_module_threshold_raw, 0) dom_channel_threshold_raw = self._read_eeprom_specific_bytes((offset + QSFP_CHANNL_THRESHOLD_OFFSET), QSFP_CHANNL_THRESHOLD_WIDTH) if dom_channel_threshold_raw is None: return transceiver_dom_threshold_info_dict dom_channel_threshold_data = sfpd_obj.parse_channel_threshold_values( dom_channel_threshold_raw, 0) # Threshold Data transceiver_dom_threshold_info_dict['temphighalarm'] = dom_module_threshold_data['data']['TempHighAlarm']['value'] transceiver_dom_threshold_info_dict['temphighwarning'] = dom_module_threshold_data['data']['TempHighWarning']['value'] transceiver_dom_threshold_info_dict['templowalarm'] = dom_module_threshold_data['data']['TempLowAlarm']['value'] transceiver_dom_threshold_info_dict['templowwarning'] = dom_module_threshold_data['data']['TempLowWarning']['value'] transceiver_dom_threshold_info_dict['vcchighalarm'] = dom_module_threshold_data['data']['VccHighAlarm']['value'] transceiver_dom_threshold_info_dict['vcchighwarning'] = dom_module_threshold_data['data']['VccHighWarning']['value'] transceiver_dom_threshold_info_dict['vcclowalarm'] = dom_module_threshold_data['data']['VccLowAlarm']['value'] transceiver_dom_threshold_info_dict['vcclowwarning'] = dom_module_threshold_data['data']['VccLowWarning']['value'] transceiver_dom_threshold_info_dict['rxpowerhighalarm'] = dom_channel_threshold_data['data']['RxPowerHighAlarm']['value'] transceiver_dom_threshold_info_dict['rxpowerhighwarning'] = dom_channel_threshold_data['data']['RxPowerHighWarning']['value'] transceiver_dom_threshold_info_dict['rxpowerlowalarm'] = dom_channel_threshold_data['data']['RxPowerLowAlarm']['value'] transceiver_dom_threshold_info_dict['rxpowerlowwarning'] = dom_channel_threshold_data['data']['RxPowerLowWarning']['value'] transceiver_dom_threshold_info_dict['txbiashighalarm'] = dom_channel_threshold_data['data']['TxBiasHighAlarm']['value'] transceiver_dom_threshold_info_dict['txbiashighwarning'] = dom_channel_threshold_data['data']['TxBiasHighWarning']['value'] transceiver_dom_threshold_info_dict['txbiaslowalarm'] = dom_channel_threshold_data['data']['TxBiasLowAlarm']['value'] transceiver_dom_threshold_info_dict['txbiaslowwarning'] = dom_channel_threshold_data['data']['TxBiasLowWarning']['value'] transceiver_dom_threshold_info_dict['txpowerhighalarm'] = dom_channel_threshold_data['data']['TxPowerHighAlarm']['value'] transceiver_dom_threshold_info_dict['txpowerhighwarning'] = dom_channel_threshold_data['data']['TxPowerHighWarning']['value'] transceiver_dom_threshold_info_dict['txpowerlowalarm'] = dom_channel_threshold_data['data']['TxPowerLowAlarm']['value'] transceiver_dom_threshold_info_dict['txpowerlowwarning'] = dom_channel_threshold_data['data']['TxPowerLowWarning']['value'] else: offset = SFP_MODULE_ADDRA2_OFFSET if not self.dom_supported: return transceiver_dom_threshold_info_dict sfpd_obj = sff8472Dom(None, self.calibration) if sfpd_obj is None: return transceiver_dom_threshold_info_dict dom_module_threshold_raw = self._read_eeprom_specific_bytes((offset + SFP_MODULE_THRESHOLD_OFFSET), SFP_MODULE_THRESHOLD_WIDTH) if dom_module_threshold_raw is not None: dom_module_threshold_data = sfpd_obj.parse_alarm_warning_threshold( dom_module_threshold_raw, 0) else: return transceiver_dom_threshold_info_dict # Threshold Data transceiver_dom_threshold_info_dict['temphighalarm'] = dom_module_threshold_data['data']['TempHighAlarm']['value'] transceiver_dom_threshold_info_dict['templowalarm'] = dom_module_threshold_data['data']['TempLowAlarm']['value'] transceiver_dom_threshold_info_dict['temphighwarning'] = dom_module_threshold_data['data']['TempHighWarning']['value'] transceiver_dom_threshold_info_dict['templowwarning'] = dom_module_threshold_data['data']['TempLowWarning']['value'] transceiver_dom_threshold_info_dict['vcchighalarm'] = dom_module_threshold_data['data']['VoltageHighAlarm']['value'] transceiver_dom_threshold_info_dict['vcclowalarm'] = dom_module_threshold_data['data']['VoltageLowAlarm']['value'] transceiver_dom_threshold_info_dict['vcchighwarning'] = dom_module_threshold_data[ 'data']['VoltageHighWarning']['value'] transceiver_dom_threshold_info_dict['vcclowwarning'] = dom_module_threshold_data['data']['VoltageLowWarning']['value'] transceiver_dom_threshold_info_dict['txbiashighalarm'] = dom_module_threshold_data['data']['BiasHighAlarm']['value'] transceiver_dom_threshold_info_dict['txbiaslowalarm'] = dom_module_threshold_data['data']['BiasLowAlarm']['value'] transceiver_dom_threshold_info_dict['txbiashighwarning'] = dom_module_threshold_data['data']['BiasHighWarning']['value'] transceiver_dom_threshold_info_dict['txbiaslowwarning'] = dom_module_threshold_data['data']['BiasLowWarning']['value'] transceiver_dom_threshold_info_dict['txpowerhighalarm'] = dom_module_threshold_data['data']['TXPowerHighAlarm']['value'] transceiver_dom_threshold_info_dict['txpowerlowalarm'] = dom_module_threshold_data['data']['TXPowerLowAlarm']['value'] transceiver_dom_threshold_info_dict['txpowerhighwarning'] = dom_module_threshold_data['data']['TXPowerHighWarning']['value'] transceiver_dom_threshold_info_dict['txpowerlowwarning'] = dom_module_threshold_data['data']['TXPowerLowWarning']['value'] transceiver_dom_threshold_info_dict['rxpowerhighalarm'] = dom_module_threshold_data['data']['RXPowerHighAlarm']['value'] transceiver_dom_threshold_info_dict['rxpowerlowalarm'] = dom_module_threshold_data['data']['RXPowerLowAlarm']['value'] transceiver_dom_threshold_info_dict['rxpowerhighwarning'] = dom_module_threshold_data['data']['RXPowerHighWarning']['value'] transceiver_dom_threshold_info_dict['rxpowerlowwarning'] = dom_module_threshold_data['data']['RXPowerLowWarning']['value'] for key in transceiver_dom_threshold_info_dict: transceiver_dom_threshold_info_dict[key] = self._convert_string_to_num( transceiver_dom_threshold_info_dict[key]) return transceiver_dom_threshold_info_dict def get_reset_status(self): """ Retrieves the reset status of SFP Returns: A Boolean, True if reset enabled, False if disabled """ # SFP doesn't support this feature return False def get_rx_los(self): """ Retrieves the RX LOS (loss-of-signal) status of SFP Returns: A list of boolean values, representing the RX LOS status of each available channel, value is True if SFP channel has RX LOS, False if not. E.g., for a tranceiver with four channels: [False, False, True, False] Note : RX LOS status is latched until a call to get_rx_los or a reset. """ rx_los_list = [] if self.sfp_type == QSFP_TYPE: offset = 0 dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + QSFP_CHANNL_RX_LOS_STATUS_OFFSET), QSFP_CHANNL_RX_LOS_STATUS_WIDTH) if dom_channel_monitor_raw is not None: rx_los_data = int(dom_channel_monitor_raw[0], 16) rx_los_list.append(rx_los_data & 0x01 != 0) rx_los_list.append(rx_los_data & 0x02 != 0) rx_los_list.append(rx_los_data & 0x04 != 0) rx_los_list.append(rx_los_data & 0x08 != 0) elif self.sfp_type == SFP_TYPE: offset = 256 dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + SFP_STATUS_CONTROL_OFFSET), SFP_STATUS_CONTROL_WIDTH) if dom_channel_monitor_raw is not None: rx_los_data = int(dom_channel_monitor_raw[0], 16) rx_los_list.append(rx_los_data & 0x02 != 0) return rx_los_list def get_tx_fault(self): """ Retrieves the TX fault status of SFP Returns: A Boolean, True if SFP has TX fault, False if not Note : TX fault status is lached until a call to get_tx_fault or a reset. """ tx_fault_list = [] if not self.dom_supported: return tx_fault_list if self.sfp_type == QSFP_TYPE: offset = 0 dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + QSFP_CHANNL_TX_FAULT_STATUS_OFFSET), QSFP_CHANNL_TX_FAULT_STATUS_WIDTH) if dom_channel_monitor_raw is not None: tx_fault_data = int(dom_channel_monitor_raw[0], 16) tx_fault_list.append(tx_fault_data & 0x01 != 0) tx_fault_list.append(tx_fault_data & 0x02 != 0) tx_fault_list.append(tx_fault_data & 0x04 != 0) tx_fault_list.append(tx_fault_data & 0x08 != 0) elif self.sfp_type == SFP_TYPE: offset = 256 dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + SFP_STATUS_CONTROL_OFFSET), SFP_STATUS_CONTROL_WIDTH) if dom_channel_monitor_raw is not None: tx_fault_data = int(dom_channel_monitor_raw[0], 16) tx_fault_list.append(tx_fault_data & 0x04 != 0) return tx_fault_list def get_tx_disable(self): """ Retrieves the tx_disable status of this SFP Returns: A list of boolean values, representing the TX disable status of each available channel, value is True if SFP channel is TX disabled, False if not. E.g., for a tranceiver with four channels: [False, False, True, False] """ tx_disable_list = [] if not self.dom_supported: return tx_disable_list if self.sfp_type == QSFP_TYPE: offset = 0 dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + QSFP_CHANNL_DISABLE_STATUS_OFFSET), QSFP_CHANNL_DISABLE_STATUS_WIDTH) if dom_channel_monitor_raw is not None: tx_disable_data = int(dom_channel_monitor_raw[0], 16) tx_disable_list.append(tx_disable_data & 0x01 != 0) tx_disable_list.append(tx_disable_data & 0x02 != 0) tx_disable_list.append(tx_disable_data & 0x04 != 0) tx_disable_list.append(tx_disable_data & 0x08 != 0) elif self.sfp_type == SFP_TYPE: offset = 256 dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + SFP_STATUS_CONTROL_OFFSET), SFP_STATUS_CONTROL_WIDTH) if dom_channel_monitor_raw is not None: tx_disable_data = int(dom_channel_monitor_raw[0], 16) tx_disable_list.append(tx_disable_data & 0xC0 != 0) else: return None return tx_disable_list def get_tx_disable_channel(self): """ Retrieves the TX disabled channels in this SFP Returns: A hex of 4 bits (bit 0 to bit 3 as channel 0 to channel 3) to represent TX channels which have been disabled in this SFP. As an example, a returned value of 0x5 indicates that channel 0 and channel 2 have been disabled. """ tx_disable_list = self.get_tx_disable() if tx_disable_list is None: return 0 tx_disabled = 0 for i in range(len(tx_disable_list)): if tx_disable_list[i]: tx_disabled |= 1 << i return tx_disabled def get_lpmode(self): """ Retrieves the lpmode (low power mode) status of this SFP Returns: A Boolean, True if lpmode is enabled, False if disabled """ # SFP doesn't support this feature return False def get_power_override(self): """ Retrieves the power-override status of this SFP Returns: A Boolean, True if power-override is enabled, False if disabled """ # SFP doesn't support this feature return False def get_temperature(self): """ Retrieves the temperature of this SFP Returns: An integer number of current temperature in Celsius """ transceiver_bulk_status = self.get_transceiver_bulk_status() return transceiver_bulk_status.get("temperature", 0.0) def get_voltage(self): """ Retrieves the supply voltage of this SFP Returns: An integer number of supply voltage in mV """ transceiver_bulk_status = self.get_transceiver_bulk_status() return transceiver_bulk_status.get("voltage", 0.0) def get_tx_bias(self): """ Retrieves the TX bias current of this SFP Returns: A list of four integer numbers, representing TX bias in mA for channel 0 to channel 4. Ex. ['110.09', '111.12', '108.21', '112.09'] """ tx_bias_list = [] if not self.dom_supported: return tx_bias_list if self.sfp_type == QSFP_TYPE: offset = 0 sfpd_obj = sff8436Dom() if sfpd_obj is None: return tx_bias_list dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + QSFP_CHANNL_MON_OFFSET), QSFP_CHANNL_MON_WITH_TX_POWER_WIDTH) if dom_channel_monitor_raw is not None: dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params_with_tx_power( dom_channel_monitor_raw, 0) tx_bias_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX1Bias']['value'])) tx_bias_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX2Bias']['value'])) tx_bias_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX3Bias']['value'])) tx_bias_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX4Bias']['value'])) elif self.sfp_type == SFP_TYPE: offset = 256 sfpd_obj = sff8472Dom() if sfpd_obj is None: return tx_bias_list sfpd_obj._calibration_type = self.calibration if self.dom_supported: dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + SFP_CHANNL_MON_OFFSET), SFP_CHANNL_MON_WIDTH) if dom_channel_monitor_raw is not None: dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params( dom_channel_monitor_raw, 0) tx_bias_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TXBias']['value'])) return tx_bias_list def get_rx_power(self): """ Retrieves the received optical power for this SFP Returns: A list of four integer numbers, representing received optical power in mW for channel 0 to channel 4. Ex. ['1.77', '1.71', '1.68', '1.70'] """ rx_power_list = [] if self.sfp_type == QSFP_TYPE: offset = 0 sfpd_obj = sff8436Dom() if sfpd_obj is None: return rx_power_list if self.dom_rx_power_supported: dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + QSFP_CHANNL_MON_OFFSET), QSFP_CHANNL_MON_WITH_TX_POWER_WIDTH) if dom_channel_monitor_raw is not None: dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params_with_tx_power( dom_channel_monitor_raw, 0) rx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['RX1Power']['value'])) rx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['RX2Power']['value'])) rx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['RX3Power']['value'])) rx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['RX4Power']['value'])) elif self.sfp_type == SFP_TYPE: offset = 256 sfpd_obj = sff8472Dom() if sfpd_obj is None: return None if self.dom_supported: sfpd_obj._calibration_type = self.calibration dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + SFP_CHANNL_MON_OFFSET), SFP_CHANNL_MON_WIDTH) if dom_channel_monitor_raw is not None: dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params( dom_channel_monitor_raw, 0) rx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['RXPower']['value'])) return rx_power_list def get_tx_power(self): """ Retrieves the TX power of this SFP Returns: A list of four integer numbers, representing TX power in mW for channel 0 to channel 4. Ex. ['1.86', '1.86', '1.86', '1.86'] """ tx_power_list = [] if self.sfp_type == QSFP_TYPE: offset = 0 sfpd_obj = sff8436Dom() if sfpd_obj is None: return tx_power_list if self.dom_tx_power_supported: dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + QSFP_CHANNL_MON_OFFSET), QSFP_CHANNL_MON_WITH_TX_POWER_WIDTH) if dom_channel_monitor_raw is not None: dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params_with_tx_power( dom_channel_monitor_raw, 0) tx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX1Power']['value'])) tx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX2Power']['value'])) tx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX3Power']['value'])) tx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TX4Power']['value'])) elif self.sfp_type == SFP_TYPE: offset = 256 sfpd_obj = sff8472Dom() if sfpd_obj is None: return None if self.dom_supported: sfpd_obj._calibration_type = self.calibration dom_channel_monitor_raw = self._read_eeprom_specific_bytes( (offset + SFP_CHANNL_MON_OFFSET), SFP_CHANNL_MON_WIDTH) if dom_channel_monitor_raw is not None: dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params( dom_channel_monitor_raw, 0) tx_power_list.append(self._convert_string_to_num( dom_channel_monitor_data['data']['TXPower']['value'])) return tx_power_list def reset(self): """ Reset SFP and return all user module settings to their default srate. Returns: A boolean, True if successful, False if not """ # SFP doesn't support this feature return False def tx_disable(self, tx_disable): """ Disable SFP TX for all channels Args: tx_disable : A Boolean, True to enable tx_disable mode, False to disable tx_disable mode. Returns: A boolean, True if tx_disable is set successfully, False if not """ if not self.get_presence(): return False if self.dom_tx_disable_supported: # SFP status/control register at address A2h, byte 110 offset = 256 sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num] status_control_raw = self._read_eeprom_specific_bytes( (offset + SFP_STATUS_CONTROL_OFFSET), SFP_STATUS_CONTROL_WIDTH) if status_control_raw is not None: # Set bit 6 for Soft TX Disable Select # 01000000 = 64 and 10111111 = 191 tx_disable_bit = 64 if tx_disable else 191 status_control = int(status_control_raw[0], 16) tx_disable_ctl = (status_control | tx_disable_bit) if tx_disable else ( status_control & tx_disable_bit) try: sysfsfile_eeprom = open( sysfs_sfp_i2c_client_eeprom_path, mode="r+b", buffering=0) tx_disable_data = c_char(tx_disable_ctl) # Write to eeprom sysfsfile_eeprom.seek(offset + SFP_STATUS_CONTROL_OFFSET) sysfsfile_eeprom.write(tx_disable_data) except Exception: return False finally: if sysfsfile_eeprom: sysfsfile_eeprom.close() time.sleep(0.01) return True return False def tx_disable_channel(self, channel, disable): """ Sets the tx_disable for specified SFP channels Args: channel : A hex of 4 bits (bit 0 to bit 3) which represent channel 0 to 3, e.g. 0x5 for channel 0 and channel 2. disable : A boolean, True to disable TX channels specified in channel, False to enable Returns: A boolean, True if successful, False if not """ # SFP doesn't support this feature return False def set_lpmode(self, lpmode): """ Sets the lpmode (low power mode) of SFP Args: lpmode: A Boolean, True to enable lpmode, False to disable it Note : lpmode can be overridden by set_power_override Returns: A boolean, True if lpmode is set successfully, False if not """ # SFP doesn't support this feature return False def set_power_override(self, power_override, power_set): """ Sets SFP power level using power_override and power_set Args: power_override : A Boolean, True to override set_lpmode and use power_set to control SFP power, False to disable SFP power control through power_override/power_set and use set_lpmode to control SFP power. power_set : Only valid when power_override is True. A Boolean, True to set SFP to low power mode, False to set SFP to high power mode. Returns: A boolean, True if power-override and power_set are set successfully, False if not """ # SFP doesn't support this feature return False ############################################################## ###################### Device methods ######################## ############################################################## def get_name(self): """ Retrieves the name of the device Returns: string: The name of the device """ return self.name def get_presence(self): """ Retrieves the presence of the PSU Returns: bool: True if PSU is present, False if not """ if self.port_num not in self._sfp_port: return False status = 1 try: with open(self.PRS_PATH, 'r') as port_status: status = int(port_status.read(), 16) status = (status >> (self.port_num - 49)) & 1 except IOError: return False return status == 0 def get_model(self): """ Retrieves the model number (or part number) of the device Returns: string: Model/part number of device """ transceiver_dom_info_dict = self.get_transceiver_info() return transceiver_dom_info_dict.get("model", "N/A") def get_serial(self): """ Retrieves the serial number of the device Returns: string: Serial number of device """ transceiver_dom_info_dict = self.get_transceiver_info() return transceiver_dom_info_dict.get("serial", "N/A") def get_status(self): """ Retrieves the operational status of the device Returns: A boolean value, True if device is operating properly, False if not """ return self.get_presence() and not self.get_reset_status() def get_position_in_parent(self): """ Returns: Temp return 0 """ return 0 def is_replaceable(self): """ Retrieves if replaceable Returns: A boolean value, True if replaceable """ return True