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