diff options
Diffstat (limited to 'sff-common.c')
| -rw-r--r-- | sff-common.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/sff-common.c b/sff-common.c new file mode 100644 index 0000000..a412a6e --- /dev/null +++ b/sff-common.c @@ -0,0 +1,387 @@ +/* + * sff-common.c: 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 Rev 4.0 spec (ftp://ftp.seagate.com/pub/sff/SFF-8024.PDF) + * by SFF Committee. + */ + +#include <stdio.h> +#include <math.h> +#include "sff-common.h" + +double convert_mw_to_dbm(double mw) +{ + return (10. * log10(mw / 1000.)) + 30.; +} + +void sff_show_value_with_unit(const __u8 *id, unsigned int reg, + const char *name, unsigned int mult, + const char *unit) +{ + unsigned int val = id[reg]; + + printf("\t%-41s : %u%s\n", name, val * mult, unit); +} + +void sff_show_ascii(const __u8 *id, unsigned int first_reg, + unsigned int last_reg, const char *name) +{ + unsigned int reg, val; + + printf("\t%-41s : ", name); + while (first_reg <= last_reg && id[last_reg] == ' ') + last_reg--; + for (reg = first_reg; reg <= last_reg; reg++) { + val = id[reg]; + putchar(((val >= 32) && (val <= 126)) ? val : '_'); + } + printf("\n"); +} + +void sff_show_lane_status(const char *name, unsigned int lane_cnt, + const char *yes, const char *no, unsigned int value) +{ + printf("\t%-41s : ", name); + if (!value) { + printf("None\n"); + return; + } + + printf("["); + while (lane_cnt--) { + printf(" %s%c", value & 1 ? yes : no, lane_cnt ? ',': ' '); + value >>= 1; + } + printf("]\n"); +} + +void sff8024_show_oui(const __u8 *id, int id_offset) +{ + printf("\t%-41s : %02x:%02x:%02x\n", "Vendor OUI", + id[id_offset], id[(id_offset) + 1], + id[(id_offset) + 2]); +} + +void sff8024_show_identifier(const __u8 *id, int id_offset) +{ + printf("\t%-41s : 0x%02x", "Identifier", id[id_offset]); + switch (id[id_offset]) { + case SFF8024_ID_UNKNOWN: + printf(" (no module present, unknown, or unspecified)\n"); + break; + case SFF8024_ID_GBIC: + printf(" (GBIC)\n"); + break; + case SFF8024_ID_SOLDERED_MODULE: + printf(" (module soldered to motherboard)\n"); + break; + case SFF8024_ID_SFP: + printf(" (SFP)\n"); + break; + case SFF8024_ID_300_PIN_XBI: + printf(" (300 pin XBI)\n"); + break; + case SFF8024_ID_XENPAK: + printf(" (XENPAK)\n"); + break; + case SFF8024_ID_XFP: + printf(" (XFP)\n"); + break; + case SFF8024_ID_XFF: + printf(" (XFF)\n"); + break; + case SFF8024_ID_XFP_E: + printf(" (XFP-E)\n"); + break; + case SFF8024_ID_XPAK: + printf(" (XPAK)\n"); + break; + case SFF8024_ID_X2: + printf(" (X2)\n"); + break; + case SFF8024_ID_DWDM_SFP: + printf(" (DWDM-SFP)\n"); + break; + case SFF8024_ID_QSFP: + printf(" (QSFP)\n"); + break; + case SFF8024_ID_QSFP_PLUS: + printf(" (QSFP+)\n"); + break; + case SFF8024_ID_CXP: + printf(" (CXP)\n"); + break; + case SFF8024_ID_HD4X: + printf(" (Shielded Mini Multilane HD 4X)\n"); + break; + case SFF8024_ID_HD8X: + printf(" (Shielded Mini Multilane HD 8X)\n"); + break; + case SFF8024_ID_QSFP28: + printf(" (QSFP28)\n"); + break; + case SFF8024_ID_CXP2: + printf(" (CXP2/CXP28)\n"); + break; + case SFF8024_ID_CDFP: + printf(" (CDFP Style 1/Style 2)\n"); + break; + case SFF8024_ID_HD4X_FANOUT: + printf(" (Shielded Mini Multilane HD 4X Fanout Cable)\n"); + break; + case SFF8024_ID_HD8X_FANOUT: + printf(" (Shielded Mini Multilane HD 8X Fanout Cable)\n"); + break; + case SFF8024_ID_CDFP_S3: + printf(" (CDFP Style 3)\n"); + break; + case SFF8024_ID_MICRO_QSFP: + printf(" (microQSFP)\n"); + break; + case SFF8024_ID_QSFP_DD: + printf(" (QSFP-DD Double Density 8X Pluggable Transceiver (INF-8628))\n"); + break; + case SFF8024_ID_OSFP: + printf(" (OSFP 8X Pluggable Transceiver)\n"); + break; + case SFF8024_ID_DSFP: + printf(" (DSFP Dual Small Form Factor Pluggable Transceiver)\n"); + break; + case SFF8024_ID_QSFP_PLUS_CMIS: + printf(" (QSFP+ or later with Common Management Interface Specification (CMIS))\n"); + break; + case SFF8024_ID_SFP_DD_CMIS: + printf(" (SFP-DD Double Density 2X Pluggable Transceiver with Common Management Interface Specification (CMIS))\n"); + break; + case SFF8024_ID_SFP_PLUS_CMIS: + printf(" (SFP+ and later with Common Management Interface Specification (CMIS))\n"); + break; + default: + printf(" (reserved or unknown)\n"); + break; + } +} + +void sff8024_show_connector(const __u8 *id, int ctor_offset) +{ + printf("\t%-41s : 0x%02x", "Connector", id[ctor_offset]); + switch (id[ctor_offset]) { + case SFF8024_CTOR_UNKNOWN: + printf(" (unknown or unspecified)\n"); + break; + case SFF8024_CTOR_SC: + printf(" (SC)\n"); + break; + case SFF8024_CTOR_FC_STYLE_1: + printf(" (Fibre Channel Style 1 copper)\n"); + break; + case SFF8024_CTOR_FC_STYLE_2: + printf(" (Fibre Channel Style 2 copper)\n"); + break; + case SFF8024_CTOR_BNC_TNC: + printf(" (BNC/TNC)\n"); + break; + case SFF8024_CTOR_FC_COAX: + printf(" (Fibre Channel coaxial headers)\n"); + break; + case SFF8024_CTOR_FIBER_JACK: + printf(" (FibreJack)\n"); + break; + case SFF8024_CTOR_LC: + printf(" (LC)\n"); + break; + case SFF8024_CTOR_MT_RJ: + printf(" (MT-RJ)\n"); + break; + case SFF8024_CTOR_MU: + printf(" (MU)\n"); + break; + case SFF8024_CTOR_SG: + printf(" (SG)\n"); + break; + case SFF8024_CTOR_OPT_PT: + printf(" (Optical pigtail)\n"); + break; + case SFF8024_CTOR_MPO: + printf(" (MPO Parallel Optic)\n"); + break; + case SFF8024_CTOR_MPO_2: + printf(" (MPO Parallel Optic - 2x16)\n"); + break; + case SFF8024_CTOR_HSDC_II: + printf(" (HSSDC II)\n"); + break; + case SFF8024_CTOR_COPPER_PT: + printf(" (Copper pigtail)\n"); + break; + case SFF8024_CTOR_RJ45: + printf(" (RJ45)\n"); + break; + case SFF8024_CTOR_NO_SEPARABLE: + printf(" (No separable connector)\n"); + break; + case SFF8024_CTOR_MXC_2x16: + printf(" (MXC 2x16)\n"); + break; + case SFF8024_CTOR_CS_OPTICAL: + printf(" (CS optical connector)\n"); + break; + case SFF8024_CTOR_CS_OPTICAL_MINI: + printf(" (Mini CS optical connector)\n"); + break; + case SFF8024_CTOR_MPO_2X12: + printf(" (MPO 2x12)\n"); + break; + case SFF8024_CTOR_MPO_1X16: + printf(" (MPO 1x16)\n"); + break; + default: + printf(" (reserved or unknown)\n"); + break; + } +} + +void sff8024_show_encoding(const __u8 *id, int encoding_offset, int sff_type) +{ + printf("\t%-41s : 0x%02x", "Encoding", id[encoding_offset]); + switch (id[encoding_offset]) { + case SFF8024_ENCODING_UNSPEC: + printf(" (unspecified)\n"); + break; + case SFF8024_ENCODING_8B10B: + printf(" (8B/10B)\n"); + break; + case SFF8024_ENCODING_4B5B: + printf(" (4B/5B)\n"); + break; + case SFF8024_ENCODING_NRZ: + printf(" (NRZ)\n"); + break; + case SFF8024_ENCODING_4h: + if (sff_type == ETH_MODULE_SFF_8472) + printf(" (Manchester)\n"); + else if (sff_type == ETH_MODULE_SFF_8636) + printf(" (SONET Scrambled)\n"); + break; + case SFF8024_ENCODING_5h: + if (sff_type == ETH_MODULE_SFF_8472) + printf(" (SONET Scrambled)\n"); + else if (sff_type == ETH_MODULE_SFF_8636) + printf(" (64B/66B)\n"); + break; + case SFF8024_ENCODING_6h: + if (sff_type == ETH_MODULE_SFF_8472) + printf(" (64B/66B)\n"); + else if (sff_type == ETH_MODULE_SFF_8636) + printf(" (Manchester)\n"); + break; + case SFF8024_ENCODING_256B: + printf(" ((256B/257B (transcoded FEC-enabled data))\n"); + break; + case SFF8024_ENCODING_PAM4: + printf(" (PAM4)\n"); + break; + default: + printf(" (reserved or unknown)\n"); + break; + } +} + +void sff_show_thresholds(struct sff_diags sd) +{ + PRINT_BIAS("Laser bias current high alarm threshold", + sd.bias_cur[HALRM]); + PRINT_BIAS("Laser bias current low alarm threshold", + sd.bias_cur[LALRM]); + PRINT_BIAS("Laser bias current high warning threshold", + sd.bias_cur[HWARN]); + PRINT_BIAS("Laser bias current low warning threshold", + sd.bias_cur[LWARN]); + + PRINT_xX_PWR("Laser output power high alarm threshold", + sd.tx_power[HALRM]); + PRINT_xX_PWR("Laser output power low alarm threshold", + sd.tx_power[LALRM]); + PRINT_xX_PWR("Laser output power high warning threshold", + sd.tx_power[HWARN]); + PRINT_xX_PWR("Laser output power low warning threshold", + sd.tx_power[LWARN]); + + PRINT_TEMP("Module temperature high alarm threshold", + sd.sfp_temp[HALRM]); + PRINT_TEMP("Module temperature low alarm threshold", + sd.sfp_temp[LALRM]); + PRINT_TEMP("Module temperature high warning threshold", + sd.sfp_temp[HWARN]); + PRINT_TEMP("Module temperature low warning threshold", + sd.sfp_temp[LWARN]); + + PRINT_VCC("Module voltage high alarm threshold", + sd.sfp_voltage[HALRM]); + PRINT_VCC("Module voltage low alarm threshold", + sd.sfp_voltage[LALRM]); + PRINT_VCC("Module voltage high warning threshold", + sd.sfp_voltage[HWARN]); + PRINT_VCC("Module voltage low warning threshold", + sd.sfp_voltage[LWARN]); + + PRINT_xX_PWR("Laser rx power high alarm threshold", + sd.rx_power[HALRM]); + PRINT_xX_PWR("Laser rx power low alarm threshold", + sd.rx_power[LALRM]); + PRINT_xX_PWR("Laser rx power high warning threshold", + sd.rx_power[HWARN]); + PRINT_xX_PWR("Laser rx power low warning threshold", + sd.rx_power[LWARN]); +} + +void sff_show_revision_compliance(const __u8 *id, int rev_offset) +{ + static const char *pfx = + "\tRevision Compliance :"; + + switch (id[rev_offset]) { + case SFF8636_REV_UNSPECIFIED: + printf("%s Revision not specified\n", pfx); + break; + case SFF8636_REV_8436_48: + printf("%s SFF-8436 Rev 4.8 or earlier\n", pfx); + break; + case SFF8636_REV_8436_8636: + printf("%s SFF-8436 Rev 4.8 or earlier\n", pfx); + break; + case SFF8636_REV_8636_13: + printf("%s SFF-8636 Rev 1.3 or earlier\n", pfx); + break; + case SFF8636_REV_8636_14: + printf("%s SFF-8636 Rev 1.4\n", pfx); + break; + case SFF8636_REV_8636_15: + printf("%s SFF-8636 Rev 1.5\n", pfx); + break; + case SFF8636_REV_8636_20: + printf("%s SFF-8636 Rev 2.0\n", pfx); + break; + case SFF8636_REV_8636_27: + printf("%s SFF-8636 Rev 2.5/2.6/2.7\n", pfx); + break; + default: + printf("%s Unallocated\n", pfx); + break; + } +} |