sfpid.c - platform/external/ethtool - Gitiles

 /****************************************************************************
  * Support for Solarflare Solarstorm network controllers and boards
  * Copyright 2010 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
  * by the Free Software Foundation, incorporated herein by reference.
  */

 #include <stdio.h>
 #include "internal.h"

 static void sff8079_show_identifier(const __u8 *id)
 {
 	printf("\t%-41s : 0x%02x", "Identifier", id[0]);
 	switch (id[0]) {
 	case 0x00:
 		printf(" (no module present, unknown, or unspecified)\n");
 		break;
 	case 0x01:
 		printf(" (GBIC)\n");
 		break;
 	case 0x02:
 		printf(" (module soldered to motherboard)\n");
 		break;
 	case 0x03:
 		printf(" (SFP)\n");
 		break;
 	default:
 		 printf(" (reserved or unknown)\n");
 		break;
 	}
 }

 static void sff8079_show_ext_identifier(const __u8 *id)
 {
 	printf("\t%-41s : 0x%02x", "Extended identifier", id[1]);
 	if (id[1] == 0x00)
 		printf(" (GBIC not specified / not MOD_DEF compliant)\n");
 	else if (id[1] == 0x04)
 		printf(" (GBIC/SFP defined by 2-wire interface ID)\n");
 	else if (id[1] <= 0x07)
 		printf(" (GBIC compliant with MOD_DEF %u)\n", id[1]);
 	else
 		printf(" (unknown)\n");
 }

 static void sff8079_show_connector(const __u8 *id)
 {
 	printf("\t%-41s : 0x%02x", "Connector", id[2]);
 	switch (id[2]) {
 	case 0x00:
 		printf(" (unknown or unspecified)\n");
 		break;
 	case 0x01:
 		printf(" (SC)\n");
 		break;
 	case 0x02:
 		printf(" (Fibre Channel Style 1 copper)\n");
 		break;
 	case 0x03:
 		printf(" (Fibre Channel Style 2 copper)\n");
 		break;
 	case 0x04:
 		printf(" (BNC/TNC)\n");
 		break;
 	case 0x05:
 		printf(" (Fibre Channel coaxial headers)\n");
 		break;
 	case 0x06:
 		printf(" (FibreJack)\n");
 		break;
 	case 0x07:
 		printf(" (LC)\n");
 		break;
 	case 0x08:
 		printf(" (MT-RJ)\n");
 		break;
 	case 0x09:
 		printf(" (MU)\n");
 		break;
 	case 0x0a:
 		printf(" (SG)\n");
 		break;
 	case 0x0b:
 		printf(" (Optical pigtail)\n");
 		break;
 	case 0x0c:
 		printf(" (MPO Parallel Optic)\n");
 		break;
 	case 0x20:
 		printf(" (HSSDC II)\n");
 		break;
 	case 0x21:
 		printf(" (Copper pigtail)\n");
 		break;
 	case 0x22:
 		printf(" (RJ45)\n");
 		break;
 	default:
 		printf(" (reserved or unknown)\n");
 		break;
 	}
 }

 static void sff8079_show_transceiver(const __u8 *id)
 {
 	static const char *pfx =
 		"\tTransceiver type                          :";

 	printf("\t%-41s : 0x%02x 0x%02x 0x%02x " \
 	       "0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
 		   "Transceiver codes",
 	       id[3], id[4], id[5], id[6],
 	       id[7], id[8], id[9], id[10]);
 	/* 10G Ethernet Compliance Codes */
 	if (id[3] & (1 << 7))
 		printf("%s 10G Ethernet: 10G Base-ER" \
 		       " [SFF-8472 rev10.4 only]\n", pfx);
 	if (id[3] & (1 << 6))
 		printf("%s 10G Ethernet: 10G Base-LRM\n", pfx);
 	if (id[3] & (1 << 5))
 		printf("%s 10G Ethernet: 10G Base-LR\n", pfx);
 	if (id[3] & (1 << 4))
 		printf("%s 10G Ethernet: 10G Base-SR\n", pfx);
 	/* Infiniband Compliance Codes */
 	if (id[3] & (1 << 3))
 		printf("%s Infiniband: 1X SX\n", pfx);
 	if (id[3] & (1 << 2))
 		printf("%s Infiniband: 1X LX\n", pfx);
 	if (id[3] & (1 << 1))
 		printf("%s Infiniband: 1X Copper Active\n", pfx);
 	if (id[3] & (1 << 0))
 		printf("%s Infiniband: 1X Copper Passive\n", pfx);
 	/* ESCON Compliance Codes */
 	if (id[4] & (1 << 7))
 		printf("%s ESCON: ESCON MMF, 1310nm LED\n", pfx);
 	if (id[4] & (1 << 6))
 		printf("%s ESCON: ESCON SMF, 1310nm Laser\n", pfx);
 	/* SONET Compliance Codes */
 	if (id[4] & (1 << 5))
 		printf("%s SONET: OC-192, short reach\n", pfx);
 	if (id[4] & (1 << 4))
 		printf("%s SONET: SONET reach specifier bit 1\n", pfx);
 	if (id[4] & (1 << 3))
 		printf("%s SONET: SONET reach specifier bit 2\n", pfx);
 	if (id[4] & (1 << 2))
 		printf("%s SONET: OC-48, long reach\n", pfx);
 	if (id[4] & (1 << 1))
 		printf("%s SONET: OC-48, intermediate reach\n", pfx);
 	if (id[4] & (1 << 0))
 		printf("%s SONET: OC-48, short reach\n", pfx);
 	if (id[5] & (1 << 6))
 		printf("%s SONET: OC-12, single mode, long reach\n", pfx);
 	if (id[5] & (1 << 5))
 		printf("%s SONET: OC-12, single mode, inter. reach\n", pfx);
 	if (id[5] & (1 << 4))
 		printf("%s SONET: OC-12, short reach\n", pfx);
 	if (id[5] & (1 << 2))
 		printf("%s SONET: OC-3, single mode, long reach\n", pfx);
 	if (id[5] & (1 << 1))
 		printf("%s SONET: OC-3, single mode, inter. reach\n", pfx);
 	if (id[5] & (1 << 0))
 		printf("%s SONET: OC-3, short reach\n", pfx);
 	/* Ethernet Compliance Codes */
 	if (id[6] & (1 << 7))
 		printf("%s Ethernet: BASE-PX\n", pfx);
 	if (id[6] & (1 << 6))
 		printf("%s Ethernet: BASE-BX10\n", pfx);
 	if (id[6] & (1 << 5))
 		printf("%s Ethernet: 100BASE-FX\n", pfx);
 	if (id[6] & (1 << 4))
 		printf("%s Ethernet: 100BASE-LX/LX10\n", pfx);
 	if (id[6] & (1 << 3))
 		printf("%s Ethernet: 1000BASE-T\n", pfx);
 	if (id[6] & (1 << 2))
 		printf("%s Ethernet: 1000BASE-CX\n", pfx);
 	if (id[6] & (1 << 1))
 		printf("%s Ethernet: 1000BASE-LX\n", pfx);
 	if (id[6] & (1 << 0))
 		printf("%s Ethernet: 1000BASE-SX\n", pfx);
 	/* Fibre Channel link length */
 	if (id[7] & (1 << 7))
 		printf("%s FC: very long distance (V)\n", pfx);
 	if (id[7] & (1 << 6))
 		printf("%s FC: short distance (S)\n", pfx);
 	if (id[7] & (1 << 5))
 		printf("%s FC: intermediate distance (I)\n", pfx);
 	if (id[7] & (1 << 4))
 		printf("%s FC: long distance (L)\n", pfx);
 	if (id[7] & (1 << 3))
 		printf("%s FC: medium distance (M)\n", pfx);
 	/* Fibre Channel transmitter technology */
 	if (id[7] & (1 << 2))
 		printf("%s FC: Shortwave laser, linear Rx (SA)\n", pfx);
 	if (id[7] & (1 << 1))
 		printf("%s FC: Longwave laser (LC)\n", pfx);
 	if (id[7] & (1 << 0))
 		printf("%s FC: Electrical inter-enclosure (EL)\n", pfx);
 	if (id[8] & (1 << 7))
 		printf("%s FC: Electrical intra-enclosure (EL)\n", pfx);
 	if (id[8] & (1 << 6))
 		printf("%s FC: Shortwave laser w/o OFC (SN)\n", pfx);
 	if (id[8] & (1 << 5))
 		printf("%s FC: Shortwave laser with OFC (SL)\n", pfx);
 	if (id[8] & (1 << 4))
 		printf("%s FC: Longwave laser (LL)\n", pfx);
 	if (id[8] & (1 << 3))
 		printf("%s FC: Copper Active\n", pfx);
 	if (id[8] & (1 << 2))
 		printf("%s FC: Copper Passive\n", pfx);
 	if (id[8] & (1 << 1))
 		printf("%s FC: Copper FC-BaseT\n", pfx);
 	/* Fibre Channel transmission media */
 	if (id[9] & (1 << 7))
 		printf("%s FC: Twin Axial Pair (TW)\n", pfx);
 	if (id[9] & (1 << 6))
 		printf("%s FC: Twisted Pair (TP)\n", pfx);
 	if (id[9] & (1 << 5))
 		printf("%s FC: Miniature Coax (MI)\n", pfx);
 	if (id[9] & (1 << 4))
 		printf("%s FC: Video Coax (TV)\n", pfx);
 	if (id[9] & (1 << 3))
 		printf("%s FC: Multimode, 62.5um (M6)\n", pfx);
 	if (id[9] & (1 << 2))
 		printf("%s FC: Multimode, 50um (M5)\n", pfx);
 	if (id[9] & (1 << 0))
 		printf("%s FC: Single Mode (SM)\n", pfx);
 	/* Fibre Channel speed */
 	if (id[10] & (1 << 7))
 		printf("%s FC: 1200 MBytes/sec\n", pfx);
 	if (id[10] & (1 << 6))
 		printf("%s FC: 800 MBytes/sec\n", pfx);
 	if (id[10] & (1 << 4))
 		printf("%s FC: 400 MBytes/sec\n", pfx);
 	if (id[10] & (1 << 2))
 		printf("%s FC: 200 MBytes/sec\n", pfx);
 	if (id[10] & (1 << 0))
 		printf("%s FC: 100 MBytes/sec\n", pfx);
 }

 static void sff8079_show_encoding(const __u8 *id)
 {
 	printf("\t%-41s : 0x%02x", "Encoding", id[11]);
 	switch (id[11]) {
 	case 0x00:
 		printf(" (unspecified)\n");
 		break;
 	case 0x01:
 		printf(" (8B/10B)\n");
 		break;
 	case 0x02:
 		printf(" (4B/5B)\n");
 		break;
 	case 0x03:
 		printf(" (NRZ)\n");
 		break;
 	case 0x04:
 		printf(" (Manchester)\n");
 		break;
 	case 0x05:
 		printf(" (SONET Scrambled)\n");
 		break;
 	case 0x06:
 		printf(" (64B/66B)\n");
 		break;
 	default:
 		printf(" (reserved or unknown)\n");
 		break;
 	}
 }

 static void sff8079_show_rate_identifier(const __u8 *id)
 {
 	printf("\t%-41s : 0x%02x", "Rate identifier", id[13]);
 	switch (id[13]) {
 	case 0x00:
 		printf(" (unspecified)\n");
 		break;
 	case 0x01:
 		printf(" (4/2/1G Rate_Select & AS0/AS1)\n");
 		break;
 	case 0x02:
 		printf(" (8/4/2G Rx Rate_Select only)\n");
 		break;
 	case 0x03:
 		printf(" (8/4/2G Independent Rx & Tx Rate_Select)\n");
 		break;
 	case 0x04:
 		printf(" (8/4/2G Tx Rate_Select only)\n");
 		break;
 	default:
 		printf(" (reserved or unknown)\n");
 		break;
 	}
 }

 static void sff8079_show_oui(const __u8 *id)
 {
 	printf("\t%-41s : %02x:%02x:%02x\n", "Vendor OUI",
 	       id[37], id[38], id[39]);
 }

 static void sff8079_show_wavelength_or_copper_compliance(const __u8 *id)
 {
 	if (id[8] & (1 << 2)) {
 		printf("\t%-41s : 0x%02x", "Passive Cu cmplnce.", id[60]);
 		switch (id[60]) {
 		case 0x00:
 			printf(" (unspecified)");
 			break;
 		case 0x01:
 			printf(" (SFF-8431 appendix E)");
 			break;
 		default:
 			printf(" (unknown)");
 			break;
 		}
 		printf(" [SFF-8472 rev10.4 only]\n");
 	} else if (id[8] & (1 << 3)) {
 		printf("\t%-41s : 0x%02x", "Active Cu cmplnce.", id[60]);
 		switch (id[60]) {
 		case 0x00:
 			printf(" (unspecified)");
 			break;
 		case 0x01:
 			printf(" (SFF-8431 appendix E)");
 			break;
 		case 0x04:
 			printf(" (SFF-8431 limiting)");
 			break;
 		default:
 			printf(" (unknown)");
 			break;
 		}
 		printf(" [SFF-8472 rev10.4 only]\n");
 	} else {
 		printf("\t%-41s : %unm\n", "Laser wavelength",
 		       (id[60] << 8) | id[61]);
 	}
 }

 static void sff8079_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);
 }

 static void sff8079_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");
 }

 static void sff8079_show_options(const __u8 *id)
 {
 	static const char *pfx =
 		"\tOption                                    :";

 	printf("\t%-41s : 0x%02x 0x%02x\n", "Option values", id[64], id[65]);
 	if (id[65] & (1 << 1))
 		printf("%s RX_LOS implemented\n", pfx);
 	if (id[65] & (1 << 2))
 		printf("%s RX_LOS implemented, inverted\n", pfx);
 	if (id[65] & (1 << 3))
 		printf("%s TX_FAULT implemented\n", pfx);
 	if (id[65] & (1 << 4))
 		printf("%s TX_DISABLE implemented\n", pfx);
 	if (id[65] & (1 << 5))
 		printf("%s RATE_SELECT implemented\n", pfx);
 	if (id[65] & (1 << 6))
 		printf("%s Tunable transmitter technology\n", pfx);
 	if (id[65] & (1 << 7))
 		printf("%s Receiver decision threshold implemented\n", pfx);
 	if (id[64] & (1 << 0))
 		printf("%s Linear receiver output implemented\n", pfx);
 	if (id[64] & (1 << 1))
 		printf("%s Power level 2 requirement\n", pfx);
 	if (id[64] & (1 << 2))
 		printf("%s Cooled transceiver implemented\n", pfx);
 	if (id[64] & (1 << 3))
 		printf("%s Retimer or CDR implemented\n", pfx);
 	if (id[64] & (1 << 4))
 		printf("%s Paging implemented\n", pfx);
 	if (id[64] & (1 << 5))
 		printf("%s Power level 3 requirement\n", pfx);
 }

 void sff8079_show_all(const __u8 *id)
 {
 	sff8079_show_identifier(id);
 	if (((id[0] == 0x02) || (id[0] == 0x03)) && (id[1] == 0x04)) {
 		sff8079_show_ext_identifier(id);
 		sff8079_show_connector(id);
 		sff8079_show_transceiver(id);
 		sff8079_show_encoding(id);
 		sff8079_show_value_with_unit(id, 12, "BR, Nominal", 100, "MBd");
 		sff8079_show_rate_identifier(id);
 		sff8079_show_value_with_unit(id, 14,
 					     "Length (SMF,km)", 1, "km");
 		sff8079_show_value_with_unit(id, 15, "Length (SMF)", 100, "m");
 		sff8079_show_value_with_unit(id, 16, "Length (50um)", 10, "m");
 		sff8079_show_value_with_unit(id, 17,
 					     "Length (62.5um)", 10, "m");
 		sff8079_show_value_with_unit(id, 18, "Length (Copper)", 1, "m");
 		sff8079_show_value_with_unit(id, 19, "Length (OM3)", 10, "m");
 		sff8079_show_wavelength_or_copper_compliance(id);
 		sff8079_show_ascii(id, 20, 35, "Vendor name");
 		sff8079_show_oui(id);
 		sff8079_show_ascii(id, 40, 55, "Vendor PN");
 		sff8079_show_ascii(id, 56, 59, "Vendor rev");
 		sff8079_show_options(id);
 		sff8079_show_value_with_unit(id, 66, "BR margin, max", 1, "%");
 		sff8079_show_value_with_unit(id, 67, "BR margin, min", 1, "%");
 		sff8079_show_ascii(id, 68, 83, "Vendor SN");
 		sff8079_show_ascii(id, 84, 91, "Date code");
 	}
 }
	/****************************************************************************
	* Support for Solarflare Solarstorm network controllers and boards
	* Copyright 2010 Solarflare Communications Inc.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 as published
	* by the Free Software Foundation, incorporated herein by reference.
	*/

	#include <stdio.h>
	#include "internal.h"

	static void sff8079_show_identifier(const __u8 *id)
	{
	printf("\t%-41s : 0x%02x", "Identifier", id[0]);
	switch (id[0]) {
	case 0x00:
	printf(" (no module present, unknown, or unspecified)\n");
	break;
	case 0x01:
	printf(" (GBIC)\n");
	break;
	case 0x02:
	printf(" (module soldered to motherboard)\n");
	break;
	case 0x03:
	printf(" (SFP)\n");
	break;
	default:
	printf(" (reserved or unknown)\n");
	break;
	}
	}

	static void sff8079_show_ext_identifier(const __u8 *id)
	{
	printf("\t%-41s : 0x%02x", "Extended identifier", id[1]);
	if (id[1] == 0x00)
	printf(" (GBIC not specified / not MOD_DEF compliant)\n");
	else if (id[1] == 0x04)
	printf(" (GBIC/SFP defined by 2-wire interface ID)\n");
	else if (id[1] <= 0x07)
	printf(" (GBIC compliant with MOD_DEF %u)\n", id[1]);
	else
	printf(" (unknown)\n");
	}

	static void sff8079_show_connector(const __u8 *id)
	{
	printf("\t%-41s : 0x%02x", "Connector", id[2]);
	switch (id[2]) {
	case 0x00:
	printf(" (unknown or unspecified)\n");
	break;
	case 0x01:
	printf(" (SC)\n");
	break;
	case 0x02:
	printf(" (Fibre Channel Style 1 copper)\n");
	break;
	case 0x03:
	printf(" (Fibre Channel Style 2 copper)\n");
	break;
	case 0x04:
	printf(" (BNC/TNC)\n");
	break;
	case 0x05:
	printf(" (Fibre Channel coaxial headers)\n");
	break;
	case 0x06:
	printf(" (FibreJack)\n");
	break;
	case 0x07:
	printf(" (LC)\n");
	break;
	case 0x08:
	printf(" (MT-RJ)\n");
	break;
	case 0x09:
	printf(" (MU)\n");
	break;
	case 0x0a:
	printf(" (SG)\n");
	break;
	case 0x0b:
	printf(" (Optical pigtail)\n");
	break;
	case 0x0c:
	printf(" (MPO Parallel Optic)\n");
	break;
	case 0x20:
	printf(" (HSSDC II)\n");
	break;
	case 0x21:
	printf(" (Copper pigtail)\n");
	break;
	case 0x22:
	printf(" (RJ45)\n");
	break;
	default:
	printf(" (reserved or unknown)\n");
	break;
	}
	}

	static void sff8079_show_transceiver(const __u8 *id)
	{
	static const char *pfx =
	"\tTransceiver type :";

	printf("\t%-41s : 0x%02x 0x%02x 0x%02x " \
	"0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
	"Transceiver codes",
	id[3], id[4], id[5], id[6],
	id[7], id[8], id[9], id[10]);
	/* 10G Ethernet Compliance Codes */
	if (id[3] & (1 << 7))
	printf("%s 10G Ethernet: 10G Base-ER" \
	" [SFF-8472 rev10.4 only]\n", pfx);
	if (id[3] & (1 << 6))
	printf("%s 10G Ethernet: 10G Base-LRM\n", pfx);
	if (id[3] & (1 << 5))
	printf("%s 10G Ethernet: 10G Base-LR\n", pfx);
	if (id[3] & (1 << 4))
	printf("%s 10G Ethernet: 10G Base-SR\n", pfx);
	/* Infiniband Compliance Codes */
	if (id[3] & (1 << 3))
	printf("%s Infiniband: 1X SX\n", pfx);
	if (id[3] & (1 << 2))
	printf("%s Infiniband: 1X LX\n", pfx);
	if (id[3] & (1 << 1))
	printf("%s Infiniband: 1X Copper Active\n", pfx);
	if (id[3] & (1 << 0))
	printf("%s Infiniband: 1X Copper Passive\n", pfx);
	/* ESCON Compliance Codes */
	if (id[4] & (1 << 7))
	printf("%s ESCON: ESCON MMF, 1310nm LED\n", pfx);
	if (id[4] & (1 << 6))
	printf("%s ESCON: ESCON SMF, 1310nm Laser\n", pfx);
	/* SONET Compliance Codes */
	if (id[4] & (1 << 5))
	printf("%s SONET: OC-192, short reach\n", pfx);
	if (id[4] & (1 << 4))
	printf("%s SONET: SONET reach specifier bit 1\n", pfx);
	if (id[4] & (1 << 3))
	printf("%s SONET: SONET reach specifier bit 2\n", pfx);
	if (id[4] & (1 << 2))
	printf("%s SONET: OC-48, long reach\n", pfx);
	if (id[4] & (1 << 1))
	printf("%s SONET: OC-48, intermediate reach\n", pfx);
	if (id[4] & (1 << 0))
	printf("%s SONET: OC-48, short reach\n", pfx);
	if (id[5] & (1 << 6))
	printf("%s SONET: OC-12, single mode, long reach\n", pfx);
	if (id[5] & (1 << 5))
	printf("%s SONET: OC-12, single mode, inter. reach\n", pfx);
	if (id[5] & (1 << 4))
	printf("%s SONET: OC-12, short reach\n", pfx);
	if (id[5] & (1 << 2))
	printf("%s SONET: OC-3, single mode, long reach\n", pfx);
	if (id[5] & (1 << 1))
	printf("%s SONET: OC-3, single mode, inter. reach\n", pfx);
	if (id[5] & (1 << 0))
	printf("%s SONET: OC-3, short reach\n", pfx);
	/* Ethernet Compliance Codes */
	if (id[6] & (1 << 7))
	printf("%s Ethernet: BASE-PX\n", pfx);
	if (id[6] & (1 << 6))
	printf("%s Ethernet: BASE-BX10\n", pfx);
	if (id[6] & (1 << 5))
	printf("%s Ethernet: 100BASE-FX\n", pfx);
	if (id[6] & (1 << 4))
	printf("%s Ethernet: 100BASE-LX/LX10\n", pfx);
	if (id[6] & (1 << 3))
	printf("%s Ethernet: 1000BASE-T\n", pfx);
	if (id[6] & (1 << 2))
	printf("%s Ethernet: 1000BASE-CX\n", pfx);
	if (id[6] & (1 << 1))
	printf("%s Ethernet: 1000BASE-LX\n", pfx);
	if (id[6] & (1 << 0))
	printf("%s Ethernet: 1000BASE-SX\n", pfx);
	/* Fibre Channel link length */
	if (id[7] & (1 << 7))
	printf("%s FC: very long distance (V)\n", pfx);
	if (id[7] & (1 << 6))
	printf("%s FC: short distance (S)\n", pfx);
	if (id[7] & (1 << 5))
	printf("%s FC: intermediate distance (I)\n", pfx);
	if (id[7] & (1 << 4))
	printf("%s FC: long distance (L)\n", pfx);
	if (id[7] & (1 << 3))
	printf("%s FC: medium distance (M)\n", pfx);
	/* Fibre Channel transmitter technology */
	if (id[7] & (1 << 2))
	printf("%s FC: Shortwave laser, linear Rx (SA)\n", pfx);
	if (id[7] & (1 << 1))
	printf("%s FC: Longwave laser (LC)\n", pfx);
	if (id[7] & (1 << 0))
	printf("%s FC: Electrical inter-enclosure (EL)\n", pfx);
	if (id[8] & (1 << 7))
	printf("%s FC: Electrical intra-enclosure (EL)\n", pfx);
	if (id[8] & (1 << 6))
	printf("%s FC: Shortwave laser w/o OFC (SN)\n", pfx);
	if (id[8] & (1 << 5))
	printf("%s FC: Shortwave laser with OFC (SL)\n", pfx);
	if (id[8] & (1 << 4))
	printf("%s FC: Longwave laser (LL)\n", pfx);
	if (id[8] & (1 << 3))
	printf("%s FC: Copper Active\n", pfx);
	if (id[8] & (1 << 2))
	printf("%s FC: Copper Passive\n", pfx);
	if (id[8] & (1 << 1))
	printf("%s FC: Copper FC-BaseT\n", pfx);
	/* Fibre Channel transmission media */
	if (id[9] & (1 << 7))
	printf("%s FC: Twin Axial Pair (TW)\n", pfx);
	if (id[9] & (1 << 6))
	printf("%s FC: Twisted Pair (TP)\n", pfx);
	if (id[9] & (1 << 5))
	printf("%s FC: Miniature Coax (MI)\n", pfx);
	if (id[9] & (1 << 4))
	printf("%s FC: Video Coax (TV)\n", pfx);
	if (id[9] & (1 << 3))
	printf("%s FC: Multimode, 62.5um (M6)\n", pfx);
	if (id[9] & (1 << 2))
	printf("%s FC: Multimode, 50um (M5)\n", pfx);
	if (id[9] & (1 << 0))
	printf("%s FC: Single Mode (SM)\n", pfx);
	/* Fibre Channel speed */
	if (id[10] & (1 << 7))
	printf("%s FC: 1200 MBytes/sec\n", pfx);
	if (id[10] & (1 << 6))
	printf("%s FC: 800 MBytes/sec\n", pfx);
	if (id[10] & (1 << 4))
	printf("%s FC: 400 MBytes/sec\n", pfx);
	if (id[10] & (1 << 2))
	printf("%s FC: 200 MBytes/sec\n", pfx);
	if (id[10] & (1 << 0))
	printf("%s FC: 100 MBytes/sec\n", pfx);
	}

	static void sff8079_show_encoding(const __u8 *id)
	{
	printf("\t%-41s : 0x%02x", "Encoding", id[11]);
	switch (id[11]) {
	case 0x00:
	printf(" (unspecified)\n");
	break;
	case 0x01:
	printf(" (8B/10B)\n");
	break;
	case 0x02:
	printf(" (4B/5B)\n");
	break;
	case 0x03:
	printf(" (NRZ)\n");
	break;
	case 0x04:
	printf(" (Manchester)\n");
	break;
	case 0x05:
	printf(" (SONET Scrambled)\n");
	break;
	case 0x06:
	printf(" (64B/66B)\n");
	break;
	default:
	printf(" (reserved or unknown)\n");
	break;
	}
	}

	static void sff8079_show_rate_identifier(const __u8 *id)
	{
	printf("\t%-41s : 0x%02x", "Rate identifier", id[13]);
	switch (id[13]) {
	case 0x00:
	printf(" (unspecified)\n");
	break;
	case 0x01:
	printf(" (4/2/1G Rate_Select & AS0/AS1)\n");
	break;
	case 0x02:
	printf(" (8/4/2G Rx Rate_Select only)\n");
	break;
	case 0x03:
	printf(" (8/4/2G Independent Rx & Tx Rate_Select)\n");
	break;
	case 0x04:
	printf(" (8/4/2G Tx Rate_Select only)\n");
	break;
	default:
	printf(" (reserved or unknown)\n");
	break;
	}
	}

	static void sff8079_show_oui(const __u8 *id)
	{
	printf("\t%-41s : %02x:%02x:%02x\n", "Vendor OUI",
	id[37], id[38], id[39]);
	}

	static void sff8079_show_wavelength_or_copper_compliance(const __u8 *id)
	{
	if (id[8] & (1 << 2)) {
	printf("\t%-41s : 0x%02x", "Passive Cu cmplnce.", id[60]);
	switch (id[60]) {
	case 0x00:
	printf(" (unspecified)");
	break;
	case 0x01:
	printf(" (SFF-8431 appendix E)");
	break;
	default:
	printf(" (unknown)");
	break;
	}
	printf(" [SFF-8472 rev10.4 only]\n");
	} else if (id[8] & (1 << 3)) {
	printf("\t%-41s : 0x%02x", "Active Cu cmplnce.", id[60]);
	switch (id[60]) {
	case 0x00:
	printf(" (unspecified)");
	break;
	case 0x01:
	printf(" (SFF-8431 appendix E)");
	break;
	case 0x04:
	printf(" (SFF-8431 limiting)");
	break;
	default:
	printf(" (unknown)");
	break;
	}
	printf(" [SFF-8472 rev10.4 only]\n");
	} else {
	printf("\t%-41s : %unm\n", "Laser wavelength",
	(id[60] << 8) \| id[61]);
	}
	}

	static void sff8079_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);
	}

	static void sff8079_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");
	}

	static void sff8079_show_options(const __u8 *id)
	{
	static const char *pfx =
	"\tOption :";

	printf("\t%-41s : 0x%02x 0x%02x\n", "Option values", id[64], id[65]);
	if (id[65] & (1 << 1))
	printf("%s RX_LOS implemented\n", pfx);
	if (id[65] & (1 << 2))
	printf("%s RX_LOS implemented, inverted\n", pfx);
	if (id[65] & (1 << 3))
	printf("%s TX_FAULT implemented\n", pfx);
	if (id[65] & (1 << 4))
	printf("%s TX_DISABLE implemented\n", pfx);
	if (id[65] & (1 << 5))
	printf("%s RATE_SELECT implemented\n", pfx);
	if (id[65] & (1 << 6))
	printf("%s Tunable transmitter technology\n", pfx);
	if (id[65] & (1 << 7))
	printf("%s Receiver decision threshold implemented\n", pfx);
	if (id[64] & (1 << 0))
	printf("%s Linear receiver output implemented\n", pfx);
	if (id[64] & (1 << 1))
	printf("%s Power level 2 requirement\n", pfx);
	if (id[64] & (1 << 2))
	printf("%s Cooled transceiver implemented\n", pfx);
	if (id[64] & (1 << 3))
	printf("%s Retimer or CDR implemented\n", pfx);
	if (id[64] & (1 << 4))
	printf("%s Paging implemented\n", pfx);
	if (id[64] & (1 << 5))
	printf("%s Power level 3 requirement\n", pfx);
	}

	void sff8079_show_all(const __u8 *id)
	{
	sff8079_show_identifier(id);
	if (((id[0] == 0x02) \|\| (id[0] == 0x03)) && (id[1] == 0x04)) {
	sff8079_show_ext_identifier(id);
	sff8079_show_connector(id);
	sff8079_show_transceiver(id);
	sff8079_show_encoding(id);
	sff8079_show_value_with_unit(id, 12, "BR, Nominal", 100, "MBd");
	sff8079_show_rate_identifier(id);
	sff8079_show_value_with_unit(id, 14,
	"Length (SMF,km)", 1, "km");
	sff8079_show_value_with_unit(id, 15, "Length (SMF)", 100, "m");
	sff8079_show_value_with_unit(id, 16, "Length (50um)", 10, "m");
	sff8079_show_value_with_unit(id, 17,
	"Length (62.5um)", 10, "m");
	sff8079_show_value_with_unit(id, 18, "Length (Copper)", 1, "m");
	sff8079_show_value_with_unit(id, 19, "Length (OM3)", 10, "m");
	sff8079_show_wavelength_or_copper_compliance(id);
	sff8079_show_ascii(id, 20, 35, "Vendor name");
	sff8079_show_oui(id);
	sff8079_show_ascii(id, 40, 55, "Vendor PN");
	sff8079_show_ascii(id, 56, 59, "Vendor rev");
	sff8079_show_options(id);
	sff8079_show_value_with_unit(id, 66, "BR margin, max", 1, "%");
	sff8079_show_value_with_unit(id, 67, "BR margin, min", 1, "%");
	sff8079_show_ascii(id, 68, 83, "Vendor SN");
	sff8079_show_ascii(id, 84, 91, "Date code");
	}
	}