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Message-ID: <20250126115635.801935-14-danieller@nvidia.com>
Date: Sun, 26 Jan 2025 13:56:34 +0200
From: Danielle Ratson <danieller@...dia.com>
To: <netdev@...r.kernel.org>
CC: <mkubecek@...e.cz>, <matt@...verse.com.au>, <daniel.zahka@...il.com>,
<amcohen@...dia.com>, <nbu-mlxsw@...hange.nvidia.com>, Danielle Ratson
<danieller@...dia.com>
Subject: [PATCH ethtool-next 13/14] ethtool: Enable JSON output support for SFF8079 and SFF8472 modules
A sample output:
$ ethtool --json -m swp13
[ {
"identifier": 17,
"identifier_description": "QSFP28",
"extended_identifier": {
"value": 207,
"description": "3.5W max. Power consumption",
"description": "CDR present in TX, CDR present in RX",
"description": "5.0W max. Power consumption, High Power
Class (> 3.5 W) enabled"
},
"power_set": false,
"power_override": true,
"connector": 35,
"connector_description": "No separable connector",
"transceiver_codes": [ 128,0,0,0,0,0,0,0 ],
"transceiver_type": "Active Optical Cable with 50GAUI, 100GAUI-2
or 200GAUI-4 C2M. Providing a worst BER of 10-6 or below",
"encoding": 8,
"encoding_description": "PAM4",
"br_nominal": 25500,
"br_nominal_units": "Mbps",
"rate_identifier": 2,
"length_(smf,km)": 0,
"length_(smf,km)_units": "km",
"length_(om3_50um)": 0,
"length_(om3_50um)_units": "m",
"length_(om2_50um)": 0,
"length_(om2_50um)_units": "m",
"length_(om1_62.5um)": 0,
"length_(om1_62.5um)_units": "m",
"length_(copper_or_active_cable)": 3,
"length_(copper_or_active_cable)_units": "m",
"transmitter_technology": 0,
"transmitter_technology_description": "850 nm VCSEL",
"laser_wavelength": 850,
"laser_wavelength_units": "nm",
"laser_wavelength_tolerance": 150,
"laser_wavelength_tolerance_units": "nm",
"vendor_name": "Mellanox",
"vendor_oui": [ 0,2,201 ],
"vendor_pn": "MFS1S00-V003E",
"vendor_rev": "A6",
"vendor_sn": "MT1915FT03913",
"date_code": "190412",
"revision_compliance": "Unallocated",
"rx_loss_of_signal": [ "Yes","Yes","Yes","Yes" ],
"tx_loss_of_signal": "None",
"rx_loss_of_lock": [ "Yes","Yes","Yes","Yes" ],
"tx_loss_of_lock": "None",
"tx_adaptive_eq_fault": "None",
"module_temperature": 56.75,
"module_temperature_units": "degrees C",
"module_voltage": 3.261,
"module_voltage_units": "V",
"alarm/warning_flags_implemented": true,
"laser_tx_bias_current": [ 0,0,0,0 ],
"laser_tx_bias_current_units": "mA",
"transmit_avg_optical_power": [ 0,0,0,0 ],
"transmit_avg_optical_power_units": "mW",
"rcvr_signal_avg_optical_power": [ 0.0388,0.041,0.0417,0.0392 ],
"rcvr_signal_avg_optical_power_units": "mW",
"laser_bias_current_high_alarm": [ false,false,false,false ],
"laser_bias_current_low_alarm": [ false,false,false,false ],
"laser_bias_current_high_warning": [ false,false,false,false ],
"laser_bias_current_low_warning": [ false,false,false,false ],
"laser_tx_power_high_alarm": [ false,false,false,false ],
"laser_tx_power_low_alarm": [ false,false,false,false ],
"laser_tx_power_high_warning": [ false,false,false,false ],
"laser_tx_power_low_warning": [ false,false,false,false ],
"laser_rx_power_high_alarm": [ false,false,false,false ],
"laser_rx_power_low_alarm": [ true,true,true,true ],
"laser_rx_power_high_warning": [ false,false,false,false ],
"laser_rx_power_low_warning": [ true,true,true,true ],
"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,
"laser_bias_current": {
"high_alarm_threshold": 8.5,
"low_alarm_threshold": 5.492,
"high_warning_threshold": 8,
"low_warning_threshold": 6,
"units": "mA"
},
"laser_output_power": {
"high_alarm_threshold": 3.4673,
"low_alarm_threshold": 0.0724,
"high_warning_threshold": 1.7378,
"low_warning_threshold": 0.1445,
"units": "mW"
},
"module_temperature": {
"high_alarm_threshold": 80,
"low_alarm_threshold": -10,
"high_warning_threshold": 70,
"low_warning_threshold": 0,
"units": "degrees C"
},
"module_voltage": {
"high_alarm_threshold": 3.5,
"low_alarm_threshold": 3.1,
"high_warning_threshold": 3.465,
"low_warning_threshold": 3.135,
"units": "V"
},
"laser_rx_power": {
"high_alarm_threshold": 3.4673,
"low_alarm_threshold": 0.0467,
"high_warning_threshold": 1.7378,
"low_warning_threshold": 0.0933,
"units": "mW"
}
} ]
Signed-off-by: Danielle Ratson <danieller@...dia.com>
---
ethtool.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/ethtool.c b/ethtool.c
index 2818206..51c9a46 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -5002,6 +5002,8 @@ static int do_getmodule(struct cmd_context *ctx)
(eeprom->len != modinfo.eeprom_len)) {
geeprom_dump_hex = 1;
} else if (!geeprom_dump_hex) {
+ new_json_obj(ctx->json);
+ open_json_object(NULL);
switch (modinfo.type) {
#ifdef ETHTOOL_ENABLE_PRETTY_DUMP
case ETH_MODULE_SFF_8079:
@@ -5021,6 +5023,8 @@ static int do_getmodule(struct cmd_context *ctx)
geeprom_dump_hex = 1;
break;
}
+ close_json_object();
+ delete_json_obj();
}
if (geeprom_dump_hex)
dump_hex(stdout, eeprom->data,
--
2.47.0
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