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-rw-r--r--sff-common.c361
1 files changed, 361 insertions, 0 deletions
diff --git a/sff-common.c b/sff-common.c
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+++ b/sff-common.c
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+/*
+ * 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 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;
+ 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;
+ }
+}
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