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190 lines
6.0 KiB
190 lines
6.0 KiB
4 months ago
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/*
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* sff-common.h: Implements SFF-8024 Rev 4.0 i.e. Specifcation
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* of pluggable I/O configuration
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*
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* Common utilities across SFF-8436/8636 and SFF-8472/8079
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* are defined in this file
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*
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* Copyright 2010 Solarflare Communications Inc.
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* Aurelien Guillaume <aurelien@iwi.me> (C) 2012
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* Copyright (C) 2014 Cumulus networks Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Freeoftware Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Vidya Sagar Ravipati <vidya@cumulusnetworks.com>
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* This implementation is loosely based on current SFP parser
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* and SFF-8024 specs (ftp://ftp.seagate.com/pub/sff/SFF-8024.PDF)
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* by SFF Committee.
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*/
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#ifndef SFF_COMMON_H__
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#define SFF_COMMON_H__
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#include <stdio.h>
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#include "internal.h"
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#define SFF8024_ID_OFFSET 0x00
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#define SFF8024_ID_UNKNOWN 0x00
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#define SFF8024_ID_GBIC 0x01
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#define SFF8024_ID_SOLDERED_MODULE 0x02
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#define SFF8024_ID_SFP 0x03
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#define SFF8024_ID_300_PIN_XBI 0x04
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#define SFF8024_ID_XENPAK 0x05
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#define SFF8024_ID_XFP 0x06
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#define SFF8024_ID_XFF 0x07
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#define SFF8024_ID_XFP_E 0x08
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#define SFF8024_ID_XPAK 0x09
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#define SFF8024_ID_X2 0x0A
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#define SFF8024_ID_DWDM_SFP 0x0B
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#define SFF8024_ID_QSFP 0x0C
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#define SFF8024_ID_QSFP_PLUS 0x0D
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#define SFF8024_ID_CXP 0x0E
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#define SFF8024_ID_HD4X 0x0F
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#define SFF8024_ID_HD8X 0x10
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#define SFF8024_ID_QSFP28 0x11
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#define SFF8024_ID_CXP2 0x12
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#define SFF8024_ID_CDFP 0x13
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#define SFF8024_ID_HD4X_FANOUT 0x14
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#define SFF8024_ID_HD8X_FANOUT 0x15
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#define SFF8024_ID_CDFP_S3 0x16
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#define SFF8024_ID_MICRO_QSFP 0x17
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#define SFF8024_ID_LAST SFF8024_ID_MICRO_QSFP
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#define SFF8024_ID_UNALLOCATED_LAST 0x7F
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#define SFF8024_ID_VENDOR_START 0x80
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#define SFF8024_ID_VENDOR_LAST 0xFF
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#define SFF8024_CTOR_UNKNOWN 0x00
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#define SFF8024_CTOR_SC 0x01
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#define SFF8024_CTOR_FC_STYLE_1 0x02
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#define SFF8024_CTOR_FC_STYLE_2 0x03
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#define SFF8024_CTOR_BNC_TNC 0x04
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#define SFF8024_CTOR_FC_COAX 0x05
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#define SFF8024_CTOR_FIBER_JACK 0x06
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#define SFF8024_CTOR_LC 0x07
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#define SFF8024_CTOR_MT_RJ 0x08
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#define SFF8024_CTOR_MU 0x09
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#define SFF8024_CTOR_SG 0x0A
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#define SFF8024_CTOR_OPT_PT 0x0B
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#define SFF8024_CTOR_MPO 0x0C
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#define SFF8024_CTOR_MPO_2 0x0D
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/* 0E-1Fh --- Reserved */
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#define SFF8024_CTOR_HSDC_II 0x20
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#define SFF8024_CTOR_COPPER_PT 0x21
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#define SFF8024_CTOR_RJ45 0x22
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#define SFF8024_CTOR_NO_SEPARABLE 0x23
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#define SFF8024_CTOR_MXC_2x16 0x24
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#define SFF8024_CTOR_LAST SFF8024_CTOR_MXC_2x16
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#define SFF8024_CTOR_UNALLOCATED_LAST 0x7F
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#define SFF8024_CTOR_VENDOR_START 0x80
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#define SFF8024_CTOR_VENDOR_LAST 0xFF
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/* ENCODING Values */
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#define SFF8024_ENCODING_UNSPEC 0x00
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#define SFF8024_ENCODING_8B10B 0x01
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#define SFF8024_ENCODING_4B5B 0x02
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#define SFF8024_ENCODING_NRZ 0x03
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/*
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* Value: 04h
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* SFF-8472 - Manchester
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* SFF-8436/8636 - SONET Scrambled
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*/
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#define SFF8024_ENCODING_4h 0x04
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/*
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* Value: 05h
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* SFF-8472 - SONET Scrambled
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* SFF-8436/8636 - 64B/66B
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*/
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#define SFF8024_ENCODING_5h 0x05
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/*
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* Value: 06h
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* SFF-8472 - 64B/66B
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* SFF-8436/8636 - Manchester
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*/
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#define SFF8024_ENCODING_6h 0x06
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#define SFF8024_ENCODING_256B 0x07
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#define SFF8024_ENCODING_PAM4 0x08
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/* Most common case: 16-bit unsigned integer in a certain unit */
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#define OFFSET_TO_U16(offset) \
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(id[offset] << 8 | id[(offset) + 1])
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# define PRINT_xX_PWR(string, var) \
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printf("\t%-41s : %.4f mW / %.2f dBm\n", (string), \
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(double)((var) / 10000.), \
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convert_mw_to_dbm((double)((var) / 10000.)))
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#define PRINT_BIAS(string, bias_cur) \
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printf("\t%-41s : %.3f mA\n", (string), \
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(double)(bias_cur / 500.))
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#define PRINT_TEMP(string, temp) \
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printf("\t%-41s : %.2f degrees C / %.2f degrees F\n", \
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(string), (double)(temp / 256.), \
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(double)(temp / 256. * 1.8 + 32.))
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#define PRINT_VCC(string, sfp_voltage) \
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printf("\t%-41s : %.4f V\n", (string), \
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(double)(sfp_voltage / 10000.))
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# define PRINT_xX_THRESH_PWR(string, var, index) \
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PRINT_xX_PWR(string, (var)[(index)])
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/* Channel Monitoring Fields */
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struct sff_channel_diags {
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__u16 bias_cur; /* Measured bias current in 2uA units */
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__u16 rx_power; /* Measured RX Power */
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__u16 tx_power; /* Measured TX Power */
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};
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/* Module Monitoring Fields */
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struct sff_diags {
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#define MAX_CHANNEL_NUM 4
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#define LWARN 0
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#define HWARN 1
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#define LALRM 2
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#define HALRM 3
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#define MCURR 4
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/* Supports DOM */
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__u8 supports_dom;
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/* Supports alarm/warning thold */
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__u8 supports_alarms;
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/* RX Power: 0 = OMA, 1 = Average power */
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__u8 rx_power_type;
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/* TX Power: 0 = Not supported, 1 = Average power */
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__u8 tx_power_type;
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__u8 calibrated_ext; /* Is externally calibrated */
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/* [5] tables are low/high warn, low/high alarm, current */
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/* SFP voltage in 0.1mV units */
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__u16 sfp_voltage[5];
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/* SFP Temp in 16-bit signed 1/256 Celcius */
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__s16 sfp_temp[5];
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/* Measured bias current in 2uA units */
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__u16 bias_cur[5];
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/* Measured TX Power */
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__u16 tx_power[5];
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/* Measured RX Power */
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__u16 rx_power[5];
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struct sff_channel_diags scd[MAX_CHANNEL_NUM];
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};
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double convert_mw_to_dbm(double mw);
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void sff_show_value_with_unit(const __u8 *id, unsigned int reg,
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const char *name, unsigned int mult,
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const char *unit);
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void sff_show_ascii(const __u8 *id, unsigned int first_reg,
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unsigned int last_reg, const char *name);
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void sff_show_thresholds(struct sff_diags sd);
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void sff8024_show_oui(const __u8 *id, int id_offset);
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void sff8024_show_identifier(const __u8 *id, int id_offset);
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void sff8024_show_connector(const __u8 *id, int ctor_offset);
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void sff8024_show_encoding(const __u8 *id, int encoding_offset, int sff_type);
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#endif /* SFF_COMMON_H__ */
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