netdev - RE: [RFC ethtool] ethtool: mock JSON output for --module-info

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Message-ID:
 <MN2PR12MB45179CC5F6CC57611E5024E2D8282@MN2PR12MB4517.namprd12.prod.outlook.com>
Date: Wed, 27 Nov 2024 08:11:54 +0000
From: Danielle Ratson <danieller@...dia.com>
To: Daniel Zahka <daniel.zahka@...il.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, Jakub Kicinski
	<kuba@...nel.org>, Ido Schimmel <idosch@...dia.com>, "mkubecek@...e.cz"
	<mkubecek@...e.cz>
Subject: RE: [RFC ethtool] ethtool: mock JSON output for --module-info

Hi,

I am attaching the dump I already have implemented for both CMIS and SFF modules:

$ sudo ethtool --json -m swp23
[ {
        "identifier": 24,
        "identifier_description": "QSFP-DD Double Density 8X Pluggable Transceiver (INF-8628)",
        "power_class": 5,
        "max_power": 10.00,
        "max_power_units": "W",
        "connector": 40,
        "connector_description": "MPO 1x16",
        "cable_assembly_length": 0.00,
        "cable_assembly_length_units": "m",
        "tx_cdr_bypass_control": false,
        "rx_cdr_bypass_control": false,
        "tx_cdr": true,
        "rx_cdr": true,
        "transmitter_technology": 0,
        "transmitter_technology_description": "850 nm VCSEL",
        "length_(smf)": 0.00,
        "length_(smf)_units": "km",
        "length_(om5)": 0,
        "length_(om5)_units": "m",
        "length_(om4)": 100,
        "length_(om4)_units": "m",
        "length_(om3_50/125um)": 70,
        "length_(om3_50/125um)_units": "m",
        "length_(om2_50/125um)": 0,
        "length_(om2_50/125um)_units": "m",
        "revision_compliance": [
            "major": 4,
            "minor": 0 ],
        "rx_loss_of_signal": [ "Yes","Yes","Yes","Yes","Yes","Yes","Yes","Yes" ],
        "tx_loss_of_signal": "None",
        "rx_loss_of_lock": "None",
        "tx_loss_of_lock": "None",
        "tx_fault": "None",
        "module_state": 3,
        "module_state_description": "ModuleReady",
        "low_pwr_allow_request_hw": false,
        "low_pwr_request_sw": false,
        "module_temperature": 36.00,
        "module_temperature_units": "degrees C",
        "module_voltage": 3.00,
        "module_voltage_units": "V",
        "module_temperature_high_alarm": false,
        "module_temperature_low_alarm": false,
        "module_temperature_high_warning": false,
        "module_temperature_low_warning": false,
        "module_voltage_high_alarm": false,
        "module_voltage_low_alarm": false,
        "module_voltage_high_warning": false,
        "module_voltage_low_warning": false,
        "cdb_instances": 1,
        "cdb_background_mode": "Supported",
        "cdb_epl_pages": 0,
        "cdb_maximum_epl_rw_length": 128,
        "cdb_maximum_lpl_rw_length": 128,
        "cdb_trigger_method": "Single write"
    } ]

$ sudo ethtool --json -m swp1
[ {
        "identifier": 24,
        "identifier_description": "QSFP-DD Double Density 8X Pluggable Transceiver (INF-8628)",
        "power_class": 1,
        "max_power": 0.25,
        "max_power_units": "W",
        "connector": 35,
        "connector_description": "No separable connector",
        "cable_assembly_length": 0.50,
        "cable_assembly_length_units": "m",
        "transmitter_technology": 10,
        "transmitter_technology_description": "Copper cable, unequalized",
        "attenuation_at_5ghz": 3,
        "attenuation_at_5ghz_units": "db",
        "attenuation_at_7ghz": 4,
        "attenuation_at_7ghz_units": "db",
        "attenuation_at_12.9ghz": 6,
        "attenuation_at_12.9ghz_units": "db",
        "attenuation_at_25.8ghz": 16,
        "attenuation_at_25.8ghz_units": "db",
        "revision_compliance": [
            "major": 4,
            "minor": 0 ],
        "module_state": 3,
        "module_state_description": "ModuleReady",
        "low_pwr_allow_request_hw": false,
        "low_pwr_request_sw": false
    } ]

Please let me know what do you think.

I believe I will send a version about two weeks from now.

Thanks,
Danielle

> -----Original Message-----
> From: Daniel Zahka <daniel.zahka@...il.com>
> Sent: Monday, 25 November 2024 23:12
> To: Danielle Ratson <danieller@...dia.com>
> Cc: netdev@...r.kernel.org; Jakub Kicinski <kuba@...nel.org>; Ido Schimmel
> <idosch@...dia.com>; mkubecek@...e.cz
> Subject: Re: [RFC ethtool] ethtool: mock JSON output for --module-info
> 
> 
> On 10/27/24 4:31 AM, Danielle Ratson wrote:
> > Great, so when I will send the code (it is in early stages) it would be great if
> you could look at it.
> > Thanks!
> Do you have any updates or ETA on patches for this?