a5a11f6e7d
* [device/celestica]: add pmon_daemon_control config * [device/celestica]: update sfp index follow port_config * [device/celestica]: update get_watchdog to avoid multiple daemon try opening watchdog
718 lines
33 KiB
Python
718 lines
33 KiB
Python
#!/usr/bin/env python
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#############################################################################
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# Celestica
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#
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# Sfp contains an implementation of SONiC Platform Base API and
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# provides the sfp device status which are available in the platform
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#
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#############################################################################
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import os
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import time
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import subprocess
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import sonic_device_util
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from ctypes import create_string_buffer
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try:
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from sonic_platform_base.sfp_base import SfpBase
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from sonic_platform_base.sonic_sfp.sff8472 import sff8472Dom
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from sonic_platform_base.sonic_sfp.sff8472 import sff8472InterfaceId
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from sonic_platform_base.sonic_sfp.sff8472 import sffbase
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from sonic_platform_base.sonic_sfp.sfputilhelper import SfpUtilHelper
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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INFO_OFFSET = 0
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DOM_OFFSET = 256
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XCVR_INTFACE_BULK_OFFSET = 0
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XCVR_INTFACE_BULK_WIDTH_SFP = 21
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XCVR_VENDOR_NAME_OFFSET = 20
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XCVR_VENDOR_NAME_WIDTH = 16
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XCVR_VENDOR_OUI_OFFSET = 37
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XCVR_VENDOR_OUI_WIDTH = 3
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XCVR_VENDOR_PN_OFFSET = 40
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XCVR_VENDOR_PN_WIDTH = 16
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XCVR_HW_REV_OFFSET = 56
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XCVR_HW_REV_WIDTH_SFP = 4
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XCVR_VENDOR_SN_OFFSET = 68
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XCVR_VENDOR_SN_WIDTH = 16
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XCVR_VENDOR_DATE_OFFSET = 84
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XCVR_VENDOR_DATE_WIDTH = 8
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XCVR_DOM_CAPABILITY_OFFSET = 92
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XCVR_DOM_CAPABILITY_WIDTH = 1
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# Offset for values in SFP eeprom
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SFP_TEMPE_OFFSET = 96
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SFP_TEMPE_WIDTH = 2
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SFP_VOLT_OFFSET = 98
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SFP_VOLT_WIDTH = 2
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SFP_CHANNL_MON_OFFSET = 100
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SFP_CHANNL_MON_WIDTH = 6
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SFP_MODULE_THRESHOLD_OFFSET = 0
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SFP_MODULE_THRESHOLD_WIDTH = 40
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SFP_CHANNL_THRESHOLD_OFFSET = 112
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SFP_CHANNL_THRESHOLD_WIDTH = 2
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SFP_STATUS_CONTROL_OFFSET = 110
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SFP_STATUS_CONTROL_WIDTH = 1
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SFP_TX_DISABLE_HARD_BIT = 7
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SFP_TX_DISABLE_SOFT_BIT = 6
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sfp_cable_length_tup = ('LengthSMFkm-UnitsOfKm', 'LengthSMF(UnitsOf100m)',
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'Length50um(UnitsOf10m)', 'Length62.5um(UnitsOfm)',
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'LengthCable(UnitsOfm)', 'LengthOM3(UnitsOf10m)')
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sfp_compliance_code_tup = ('10GEthernetComplianceCode', 'InfinibandComplianceCode',
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'ESCONComplianceCodes', 'SONETComplianceCodes',
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'EthernetComplianceCodes', 'FibreChannelLinkLength',
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'FibreChannelTechnology', 'SFP+CableTechnology',
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'FibreChannelTransmissionMedia', 'FibreChannelSpeed')
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class Sfp(SfpBase):
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"""Platform-specific Sfp class"""
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# Port number
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PORT_START = 1
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PORT_END = 52
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port_to_i2c_mapping = {
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49: 15,
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50: 14,
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51: 17,
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52: 16
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}
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_sfp_port = range(49, PORT_END + 1)
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PRS_PATH = "/sys/devices/platform/e1031.smc/SFP/sfp_modabs"
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PLATFORM_ROOT_PATH = '/usr/share/sonic/device'
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PMON_HWSKU_PATH = '/usr/share/sonic/hwsku'
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HOST_CHK_CMD = "docker > /dev/null 2>&1"
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PLATFORM = "x86_64-cel_e1031-r0"
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HWSKU = "Celestica-E1031-T48S4"
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def __init__(self, sfp_index):
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# Init index
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self.index = sfp_index
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self.port_num = self.index
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# Init eeprom path
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eeprom_path = '/sys/bus/i2c/devices/i2c-{0}/{0}-0050/eeprom'
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self.port_to_eeprom_mapping = {}
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for x in range(self.PORT_START, self.PORT_END + 1):
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if x not in self._sfp_port:
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self.port_to_i2c_mapping[x] = None
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self.port_to_eeprom_mapping[x] = eeprom_path.format(
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self.port_to_i2c_mapping[x])
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self.info_dict_keys = ['type', 'hardwarerev', 'serialnum', 'manufacturename', 'modelname', 'Connector', 'encoding', 'ext_identifier',
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'ext_rateselect_compliance', 'cable_type', 'cable_length', 'nominal_bit_rate', 'specification_compliance', 'vendor_date', 'vendor_oui']
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self.dom_dict_keys = ['rx_los', 'tx_fault', 'reset_status', 'power_lpmode', 'tx_disable', 'tx_disable_channel', 'temperature', 'voltage',
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'rx1power', 'rx2power', 'rx3power', 'rx4power', 'tx1bias', 'tx2bias', 'tx3bias', 'tx4bias', 'tx1power', 'tx2power', 'tx3power', 'tx4power']
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self.threshold_dict_keys = ['temphighalarm', 'temphighwarning', 'templowalarm', 'templowwarning', 'vcchighalarm', 'vcchighwarning', 'vcclowalarm', 'vcclowwarning', 'rxpowerhighalarm', 'rxpowerhighwarning',
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'rxpowerlowalarm', 'rxpowerlowwarning', 'txpowerhighalarm', 'txpowerhighwarning', 'txpowerlowalarm', 'txpowerlowwarning', 'txbiashighalarm', 'txbiashighwarning', 'txbiaslowalarm', 'txbiaslowwarning']
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SfpBase.__init__(self)
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def _convert_string_to_num(self, value_str):
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if "-inf" in value_str:
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return 'N/A'
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elif "Unknown" in value_str:
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return 'N/A'
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elif 'dBm' in value_str:
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t_str = value_str.rstrip('dBm')
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return float(t_str)
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elif 'mA' in value_str:
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t_str = value_str.rstrip('mA')
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return float(t_str)
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elif 'C' in value_str:
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t_str = value_str.rstrip('C')
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return float(t_str)
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elif 'Volts' in value_str:
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t_str = value_str.rstrip('Volts')
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return float(t_str)
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else:
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return 'N/A'
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def __read_txt_file(self, file_path):
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try:
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with open(file_path, 'r') as fd:
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data = fd.read()
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return data.strip()
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except IOError:
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pass
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return ""
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def __is_host(self):
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return os.system(self.HOST_CHK_CMD) == 0
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def __get_path_to_port_config_file(self):
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platform_path = "/".join([self.PLATFORM_ROOT_PATH, self.PLATFORM])
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hwsku_path = "/".join([platform_path, self.HWSKU]
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) if self.__is_host() else self.PMON_HWSKU_PATH
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return "/".join([hwsku_path, "port_config.ini"])
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def __read_eeprom_specific_bytes(self, offset, num_bytes):
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sysfsfile_eeprom = None
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eeprom_raw = []
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for i in range(0, num_bytes):
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eeprom_raw.append("0x00")
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sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num]
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try:
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sysfsfile_eeprom = open(
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sysfs_sfp_i2c_client_eeprom_path, mode="rb", buffering=0)
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sysfsfile_eeprom.seek(offset)
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raw = sysfsfile_eeprom.read(num_bytes)
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for n in range(0, num_bytes):
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eeprom_raw[n] = hex(ord(raw[n]))[2:].zfill(2)
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except:
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pass
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finally:
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if sysfsfile_eeprom:
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sysfsfile_eeprom.close()
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return eeprom_raw
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def get_transceiver_info(self):
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"""
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Retrieves transceiver info of this SFP
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Returns:
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A dict which contains following keys/values :
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========================================================================
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keys |Value Format |Information
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---------------------------|---------------|----------------------------
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type |1*255VCHAR |type of SFP
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hardwarerev |1*255VCHAR |hardware version of SFP
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serialnum |1*255VCHAR |serial number of the SFP
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manufacturename |1*255VCHAR |SFP vendor name
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modelname |1*255VCHAR |SFP model name
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Connector |1*255VCHAR |connector information
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encoding |1*255VCHAR |encoding information
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ext_identifier |1*255VCHAR |extend identifier
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ext_rateselect_compliance |1*255VCHAR |extended rateSelect compliance
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cable_length |INT |cable length in m
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nominal_bit_rate |INT |nominal bit rate by 100Mbs
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specification_compliance |1*255VCHAR |specification compliance
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vendor_date |1*255VCHAR |vendor date
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vendor_oui |1*255VCHAR |vendor OUI
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========================================================================
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"""
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# check present status
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sfpi_obj = sff8472InterfaceId()
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if not self.get_presence() or not sfpi_obj:
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return {}
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offset = INFO_OFFSET
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sfp_interface_bulk_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_INTFACE_BULK_OFFSET), XCVR_INTFACE_BULK_WIDTH_SFP)
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sfp_interface_bulk_data = sfpi_obj.parse_sfp_info_bulk(
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sfp_interface_bulk_raw, 0)
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sfp_vendor_name_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_VENDOR_NAME_OFFSET), XCVR_VENDOR_NAME_WIDTH)
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sfp_vendor_name_data = sfpi_obj.parse_vendor_name(
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sfp_vendor_name_raw, 0)
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sfp_vendor_pn_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_VENDOR_PN_OFFSET), XCVR_VENDOR_PN_WIDTH)
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sfp_vendor_pn_data = sfpi_obj.parse_vendor_pn(
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sfp_vendor_pn_raw, 0)
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sfp_vendor_rev_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_HW_REV_OFFSET), XCVR_HW_REV_WIDTH_SFP)
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sfp_vendor_rev_data = sfpi_obj.parse_vendor_rev(
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sfp_vendor_rev_raw, 0)
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sfp_vendor_sn_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_VENDOR_SN_OFFSET), XCVR_VENDOR_SN_WIDTH)
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sfp_vendor_sn_data = sfpi_obj.parse_vendor_sn(
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sfp_vendor_sn_raw, 0)
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sfp_vendor_oui_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_VENDOR_OUI_OFFSET), XCVR_VENDOR_OUI_WIDTH)
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if sfp_vendor_oui_raw is not None:
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sfp_vendor_oui_data = sfpi_obj.parse_vendor_oui(
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sfp_vendor_oui_raw, 0)
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sfp_vendor_date_raw = self.__read_eeprom_specific_bytes(
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(offset + XCVR_VENDOR_DATE_OFFSET), XCVR_VENDOR_DATE_WIDTH)
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sfp_vendor_date_data = sfpi_obj.parse_vendor_date(
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sfp_vendor_date_raw, 0)
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transceiver_info_dict = dict.fromkeys(self.info_dict_keys, 'N/A')
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compliance_code_dict = dict()
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if sfp_interface_bulk_data:
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transceiver_info_dict['type'] = sfp_interface_bulk_data['data']['type']['value']
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transceiver_info_dict['Connector'] = sfp_interface_bulk_data['data']['Connector']['value']
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transceiver_info_dict['encoding'] = sfp_interface_bulk_data['data']['EncodingCodes']['value']
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transceiver_info_dict['ext_identifier'] = sfp_interface_bulk_data['data']['Extended Identifier']['value']
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transceiver_info_dict['ext_rateselect_compliance'] = sfp_interface_bulk_data['data']['RateIdentifier']['value']
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transceiver_info_dict['type_abbrv_name'] = sfp_interface_bulk_data['data']['type_abbrv_name']['value']
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transceiver_info_dict['manufacturename'] = sfp_vendor_name_data[
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'data']['Vendor Name']['value'] if sfp_vendor_name_data else 'N/A'
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transceiver_info_dict['modelname'] = sfp_vendor_pn_data['data']['Vendor PN']['value'] if sfp_vendor_pn_data else 'N/A'
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transceiver_info_dict['hardwarerev'] = sfp_vendor_rev_data['data']['Vendor Rev']['value'] if sfp_vendor_rev_data else 'N/A'
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transceiver_info_dict['serialnum'] = sfp_vendor_sn_data['data']['Vendor SN']['value'] if sfp_vendor_sn_data else 'N/A'
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transceiver_info_dict['vendor_oui'] = sfp_vendor_oui_data['data']['Vendor OUI']['value'] if sfp_vendor_oui_data else 'N/A'
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transceiver_info_dict['vendor_date'] = sfp_vendor_date_data[
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'data']['VendorDataCode(YYYY-MM-DD Lot)']['value'] if sfp_vendor_date_data else 'N/A'
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transceiver_info_dict['cable_type'] = "Unknown"
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transceiver_info_dict['cable_length'] = "Unknown"
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for key in sfp_cable_length_tup:
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if key in sfp_interface_bulk_data['data']:
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transceiver_info_dict['cable_type'] = key
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transceiver_info_dict['cable_length'] = str(
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sfp_interface_bulk_data['data'][key]['value'])
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for key in sfp_compliance_code_tup:
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if key in sfp_interface_bulk_data['data']['Specification compliance']['value']:
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compliance_code_dict[key] = sfp_interface_bulk_data['data']['Specification compliance']['value'][key]['value']
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transceiver_info_dict['specification_compliance'] = str(
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compliance_code_dict)
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transceiver_info_dict['nominal_bit_rate'] = str(
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sfp_interface_bulk_data['data']['NominalSignallingRate(UnitsOf100Mbd)']['value'])
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return transceiver_info_dict
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def get_transceiver_bulk_status(self):
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"""
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Retrieves transceiver bulk status of this SFP
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Returns:
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A dict which contains following keys/values :
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========================================================================
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keys |Value Format |Information
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---------------------------|---------------|----------------------------
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rx_los |BOOLEAN |RX loss-of-signal status, True if has RX los, False if not.
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tx_fault |BOOLEAN |TX fault status, True if has TX fault, False if not.
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reset_status |BOOLEAN |reset status, True if SFP in reset, False if not.
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lp_mode |BOOLEAN |low power mode status, True in lp mode, False if not.
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tx_disable |BOOLEAN |TX disable status, True TX disabled, False if not.
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tx_disabled_channel |HEX |disabled TX channels in hex, bits 0 to 3 represent channel 0
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| |to channel 3.
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temperature |INT |module temperature in Celsius
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voltage |INT |supply voltage in mV
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tx<n>bias |INT |TX Bias Current in mA, n is the channel number,
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| |for example, tx2bias stands for tx bias of channel 2.
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rx<n>power |INT |received optical power in mW, n is the channel number,
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| |for example, rx2power stands for rx power of channel 2.
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tx<n>power |INT |TX output power in mW, n is the channel number,
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| |for example, tx2power stands for tx power of channel 2.
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========================================================================
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"""
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# check present status
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sfpd_obj = sff8472Dom()
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if not self.get_presence() or not sfpd_obj:
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return {}
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eeprom_ifraw = self.__read_eeprom_specific_bytes(0, DOM_OFFSET)
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sfpi_obj = sff8472InterfaceId(eeprom_ifraw)
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cal_type = sfpi_obj.get_calibration_type()
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sfpd_obj._calibration_type = cal_type
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offset = DOM_OFFSET
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transceiver_dom_info_dict = dict.fromkeys(self.dom_dict_keys, 'N/A')
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dom_temperature_raw = self.__read_eeprom_specific_bytes(
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(offset + SFP_TEMPE_OFFSET), SFP_TEMPE_WIDTH)
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if dom_temperature_raw is not None:
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dom_temperature_data = sfpd_obj.parse_temperature(
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dom_temperature_raw, 0)
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transceiver_dom_info_dict['temperature'] = dom_temperature_data['data']['Temperature']['value']
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dom_voltage_raw = self.__read_eeprom_specific_bytes(
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(offset + SFP_VOLT_OFFSET), SFP_VOLT_WIDTH)
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if dom_voltage_raw is not None:
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dom_voltage_data = sfpd_obj.parse_voltage(dom_voltage_raw, 0)
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transceiver_dom_info_dict['voltage'] = dom_voltage_data['data']['Vcc']['value']
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dom_channel_monitor_raw = self.__read_eeprom_specific_bytes(
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(offset + SFP_CHANNL_MON_OFFSET), SFP_CHANNL_MON_WIDTH)
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if dom_channel_monitor_raw is not None:
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dom_voltage_data = sfpd_obj.parse_channel_monitor_params(
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dom_channel_monitor_raw, 0)
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transceiver_dom_info_dict['tx1power'] = dom_voltage_data['data']['TXPower']['value']
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transceiver_dom_info_dict['rx1power'] = dom_voltage_data['data']['RXPower']['value']
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transceiver_dom_info_dict['tx1bias'] = dom_voltage_data['data']['TXBias']['value']
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for key in transceiver_dom_info_dict:
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transceiver_dom_info_dict[key] = self._convert_string_to_num(
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transceiver_dom_info_dict[key])
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transceiver_dom_info_dict['rx_los'] = self.get_rx_los()
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transceiver_dom_info_dict['tx_fault'] = self.get_tx_fault()
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transceiver_dom_info_dict['reset_status'] = self.get_reset_status()
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transceiver_dom_info_dict['lp_mode'] = self.get_lpmode()
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return transceiver_dom_info_dict
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def get_transceiver_threshold_info(self):
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"""
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Retrieves transceiver threshold info of this SFP
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Returns:
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A dict which contains following keys/values :
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========================================================================
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keys |Value Format |Information
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---------------------------|---------------|----------------------------
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temphighalarm |FLOAT |High Alarm Threshold value of temperature in Celsius.
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templowalarm |FLOAT |Low Alarm Threshold value of temperature in Celsius.
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temphighwarning |FLOAT |High Warning Threshold value of temperature in Celsius.
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templowwarning |FLOAT |Low Warning Threshold value of temperature in Celsius.
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vcchighalarm |FLOAT |High Alarm Threshold value of supply voltage in mV.
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vcclowalarm |FLOAT |Low Alarm Threshold value of supply voltage in mV.
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vcchighwarning |FLOAT |High Warning Threshold value of supply voltage in mV.
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vcclowwarning |FLOAT |Low Warning Threshold value of supply voltage in mV.
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rxpowerhighalarm |FLOAT |High Alarm Threshold value of received power in dBm.
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rxpowerlowalarm |FLOAT |Low Alarm Threshold value of received power in dBm.
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rxpowerhighwarning |FLOAT |High Warning Threshold value of received power in dBm.
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rxpowerlowwarning |FLOAT |Low Warning Threshold value of received power in dBm.
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txpowerhighalarm |FLOAT |High Alarm Threshold value of transmit power in dBm.
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txpowerlowalarm |FLOAT |Low Alarm Threshold value of transmit power in dBm.
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txpowerhighwarning |FLOAT |High Warning Threshold value of transmit power in dBm.
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txpowerlowwarning |FLOAT |Low Warning Threshold value of transmit power in dBm.
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txbiashighalarm |FLOAT |High Alarm Threshold value of tx Bias Current in mA.
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txbiaslowalarm |FLOAT |Low Alarm Threshold value of tx Bias Current in mA.
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txbiashighwarning |FLOAT |High Warning Threshold value of tx Bias Current in mA.
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txbiaslowwarning |FLOAT |Low Warning Threshold value of tx Bias Current in mA.
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========================================================================
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"""
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# check present status
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sfpd_obj = sff8472Dom()
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|
|
|
if not self.get_presence() and not sfpd_obj:
|
|
return {}
|
|
|
|
eeprom_ifraw = self.__read_eeprom_specific_bytes(0, DOM_OFFSET)
|
|
sfpi_obj = sff8472InterfaceId(eeprom_ifraw)
|
|
cal_type = sfpi_obj.get_calibration_type()
|
|
sfpd_obj._calibration_type = cal_type
|
|
|
|
offset = DOM_OFFSET
|
|
transceiver_dom_threshold_info_dict = dict.fromkeys(
|
|
self.threshold_dict_keys, 'N/A')
|
|
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)
|
|
|
|
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 (lost-of-signal) status of SFP
|
|
Returns:
|
|
A Boolean, True if SFP has RX LOS, False if not.
|
|
Note : RX LOS status is latched until a call to get_rx_los or a reset.
|
|
"""
|
|
rx_los = False
|
|
status_control_raw = self.__read_eeprom_specific_bytes(
|
|
SFP_STATUS_CONTROL_OFFSET, SFP_STATUS_CONTROL_WIDTH)
|
|
if status_control_raw:
|
|
data = int(status_control_raw[0], 16)
|
|
rx_los = (sffbase().test_bit(data, 1) != 0)
|
|
|
|
return rx_los
|
|
|
|
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 = False
|
|
status_control_raw = self.__read_eeprom_specific_bytes(
|
|
SFP_STATUS_CONTROL_OFFSET, SFP_STATUS_CONTROL_WIDTH)
|
|
if status_control_raw:
|
|
data = int(status_control_raw[0], 16)
|
|
tx_fault = (sffbase().test_bit(data, 2) != 0)
|
|
|
|
return tx_fault
|
|
|
|
def get_tx_disable(self):
|
|
"""
|
|
Retrieves the tx_disable status of this SFP
|
|
Returns:
|
|
A Boolean, True if tx_disable is enabled, False if disabled
|
|
"""
|
|
tx_disable = False
|
|
tx_fault = False
|
|
status_control_raw = self.__read_eeprom_specific_bytes(
|
|
SFP_STATUS_CONTROL_OFFSET, SFP_STATUS_CONTROL_WIDTH)
|
|
if status_control_raw:
|
|
data = int(status_control_raw[0], 16)
|
|
tx_disable_hard = (sffbase().test_bit(
|
|
data, SFP_TX_DISABLE_HARD_BIT) != 0)
|
|
tx_disable_soft = (sffbase().test_bit(
|
|
data, SFP_TX_DISABLE_SOFT_BIT) != 0)
|
|
tx_disable = tx_disable_hard | tx_disable_soft
|
|
|
|
return tx_disable
|
|
|
|
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.
|
|
"""
|
|
# SFP doesn't support this feature
|
|
return 0
|
|
|
|
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_dom_info_dict = self.get_transceiver_bulk_status()
|
|
return transceiver_dom_info_dict.get("temperature", "N/A")
|
|
|
|
def get_voltage(self):
|
|
"""
|
|
Retrieves the supply voltage of this SFP
|
|
Returns:
|
|
An integer number of supply voltage in mV
|
|
"""
|
|
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
|
|
return transceiver_dom_info_dict.get("voltage", "N/A")
|
|
|
|
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']
|
|
"""
|
|
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
|
|
tx1_bs = transceiver_dom_info_dict.get("tx1bias", "N/A")
|
|
return [tx1_bs, "N/A", "N/A", "N/A"] if transceiver_dom_info_dict else []
|
|
|
|
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']
|
|
"""
|
|
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
|
|
rx1_pw = transceiver_dom_info_dict.get("rx1power", "N/A")
|
|
return [rx1_pw, "N/A", "N/A", "N/A"] if transceiver_dom_info_dict else []
|
|
|
|
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']
|
|
"""
|
|
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
|
|
tx1_pw = transceiver_dom_info_dict.get("tx1power", "N/A")
|
|
return [tx1_pw, "N/A", "N/A", "N/A"] if transceiver_dom_info_dict else []
|
|
|
|
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
|
|
"""
|
|
sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num]
|
|
status_control_raw = self.__read_eeprom_specific_bytes(
|
|
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)
|
|
buffer = create_string_buffer(1)
|
|
buffer[0] = chr(tx_disable_ctl)
|
|
# Write to eeprom
|
|
sysfsfile_eeprom.seek(SFP_STATUS_CONTROL_OFFSET)
|
|
sysfsfile_eeprom.write(buffer[0])
|
|
except:
|
|
#print("Error: unable to open file: %s" % str(e))
|
|
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
|
|
|
|
def get_name(self):
|
|
"""
|
|
Retrieves the name of the device
|
|
Returns:
|
|
string: The name of the device
|
|
"""
|
|
sfputil_helper = SfpUtilHelper()
|
|
sfputil_helper.read_porttab_mappings(
|
|
self.__get_path_to_port_config_file())
|
|
name = sfputil_helper.logical[self.index] or "Unknown"
|
|
return 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("modelname", "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("serialnum", "N/A")
|