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Gracefully handle CMIS APIs for passive modules #238

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merged 6 commits into from
Nov 27, 2021

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@prgeor prgeor commented Nov 22, 2021

Signed-off-by: Prince George prgeor@microsoft.com

Description

QSFP-DD modules' upper page read fails resulting in failure to read various fields in upper page.
Ensured APIs reading upper page is only for Active modules.

Motivation and Context

Fixes #234

How Has This Been Tested?

sfputil show eeprom -d

  1. For AOC
root@sonic:~# sfputil show eeprom -d -p Ethernet32
WARNING: api_use_sfpoptoe attr type changed: old <class 'bool'>, new <class 'str'>
Ethernet32: SFP EEPROM detected
        Application Advertisement: N/A
        Connector: LC
        Encoding: N/A
        Extended Identifier: Power Class 8 (18.0W Max)
        Extended RateSelect Compliance: N/A
        Identifier: QSFP-DD Double Density 8X Pluggable Transceiver
        Length Cable Assembly(m): 0.0
        Nominal Bit Rate(100Mbs): 0
        Specification compliance: Single Mode Fiber (SMF)
        Vendor Date Code(YYYY-MM-DD Lot): 2020-11-19 
        Vendor Name: INPHI CORP      
        Vendor OUI: 00-21-b8
        Vendor PN: IN-Q3JZ1-TC     
        Vendor Rev: 0.0
        Vendor SN: L2047D0067A     
        ChannelMonitorValues:
                RX1Power: 0.0dBm
                RX2Power: 0.0dBm
                RX3Power: 0.0dBm
                RX4Power: 0.0dBm
                RX5Power: 0.0dBm
                RX6Power: 0.0dBm
                RX7Power: 0.0dBm
                RX8Power: 0.0dBm
                TX1Bias: 0.0mA
                TX1Power: 0.0dBm
                TX2Bias: 0.0mA
                TX2Power: 0.0dBm
                TX3Bias: 0.0mA
                TX3Power: 0.0dBm
                TX4Bias: 0.0mA
                TX4Power: 0.0dBm
                TX5Bias: 0.0mA
                TX5Power: 0.0dBm
                TX6Bias: 0.0mA
                TX6Power: 0.0dBm
                TX7Bias: 0.0mA
                TX7Power: 0.0dBm
                TX8Bias: 0.0mA
                TX8Power: 0.0dBm
        ChannelThresholdValues:
                RxPowerHighAlarm  : 2.0dBm
                RxPowerHighWarning: 0.0dBm
                RxPowerLowAlarm   : -21.024dBm
                RxPowerLowWarning : -18.013dBm
                TxBiasHighAlarm   : 62.5mA
                TxBiasHighWarning : 57.5mA
                TxBiasLowAlarm    : 42.5mA
                TxBiasLowWarning  : 47.5mA
                TxPowerHighAlarm  : -5.0dBm
                TxPowerHighWarning: -6.0dBm
                TxPowerLowAlarm   : -16.99dBm
                TxPowerLowWarning : -16.003dBm
        ModuleMonitorValues:
                Temperature: 2.352C
                Vcc: 3.347Volts
        ModuleThresholdValues:
                TempHighAlarm  : 80.0C
                TempHighWarning: 75.0C
                TempLowAlarm   : -5.0C
                TempLowWarning : 0.0C
                VccHighAlarm   : 3.45Volts
                VccHighWarning : 3.4Volts
                VccLowAlarm    : 3.1Volts
                VccLowWarning  : 3.15Volts


root@sonic:~# 
  1. For DAC
root@str2-z9332f-05:~# sfputil show eeprom -d -p Ethernet0
Ethernet0: SFP EEPROM detected
        Application Advertisement: N/A
        Connector: No separable connector
        Encoding: N/A
        Extended Identifier: Power Class 1 (0.5W Max)
        Extended RateSelect Compliance: N/A
        Identifier: QSFP-DD Double Density 8X Pluggable Transceiver
        Length Cable Assembly(m): 1
        Nominal Bit Rate(100Mbs): 0
        Specification compliance: N/A
        Vendor Date Code(YYYY-MM-DD Lot): 2020-06-20   
        Vendor Name: DELL EMC        
        Vendor OUI: 3c-18-a0
        Vendor PN: 22V6R           
        Vendor Rev: 0.0
        Vendor SN: CN0LXD0006KI957 
        ChannelMonitorValues:
        ChannelThresholdValues:
        ModuleMonitorValues:
        ModuleThresholdValues:


root@str2-z9332f-05:~# 
```

#### Additional Information (Optional)

Signed-off-by: Prince George <prgeor@microsoft.com>
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
Signed-off-by: Prince George <prgeor@microsoft.com>
@prgeor prgeor added the Bug label Nov 23, 2021
aravindmani-1
aravindmani-1 previously approved these changes Nov 23, 2021
@prgeor
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prgeor commented Nov 24, 2021

@lguohan can you review/approve?

lguohan
lguohan previously approved these changes Nov 24, 2021
vdahiya12
vdahiya12 previously approved these changes Nov 24, 2021
sonic_platform_base/sonic_xcvr/fields/consts.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
sonic_platform_base/sonic_xcvr/api/public/cmis.py Outdated Show resolved Hide resolved
@prgeor prgeor dismissed stale reviews from vdahiya12 and lguohan via 4f77aa6 November 25, 2021 16:22
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[SFP-refactor] xcvrd crashes while trying to read CMIS passive cables
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