infiniband-diags/ibccquery.c - linux-rdma/rdma-core - Git at Google

 /*
  * Copyright (c) 2004-2009 Voltaire Inc.  All rights reserved.
  * Copyright (c) 2011 Mellanox Technologies LTD.  All rights reserved.
  * Copyright (c) 2011 Lawrence Livermore National Lab.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the
  * OpenIB.org BSD license below:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      - Redistributions of source code must retain the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer.
  *
  *      - Redistributions in binary form must reproduce the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer in the documentation and/or other materials
  *        provided with the distribution.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *
  */

 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <netinet/in.h>

 #define __STDC_FORMAT_MACROS
 #include <inttypes.h>

 #include <infiniband/mad.h>

 #include "ibdiag_common.h"

 static struct ibmad_port *srcport;

 static op_fn_t class_port_info;
 static op_fn_t congestion_info;
 static op_fn_t congestion_key_info;
 static op_fn_t congestion_log;
 static op_fn_t switch_congestion_setting;
 static op_fn_t switch_port_congestion_setting;
 static op_fn_t ca_congestion_setting;
 static op_fn_t congestion_control_table;
 static op_fn_t timestamp_dump;

 static const match_rec_t match_tbl[] = {
 	{"ClassPortInfo", "CP", class_port_info, 0, ""},
 	{"CongestionInfo", "CI", congestion_info, 0, ""},
 	{"CongestionKeyInfo", "CK", congestion_key_info, 0, ""},
 	{"CongestionLog", "CL", congestion_log, 0, ""},
 	{"SwitchCongestionSetting", "SS", switch_congestion_setting, 0, ""},
 	{"SwitchPortCongestionSetting", "SP", switch_port_congestion_setting, 1, ""},
 	{"CACongestionSetting", "CS", ca_congestion_setting, 0, ""},
 	{"CongestionControlTable", "CT", congestion_control_table, 0, ""},
 	{"Timestamp", "TI", timestamp_dump, 0, ""},
 	{}
 };

 static uint64_t cckey = 0;

 /*******************************************/
 static const char *class_port_info(ib_portid_t *dest, char **argv, int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };

 	if (!cc_query_status_via(data, dest, CLASS_PORT_INFO,
 				 0, 0, NULL, srcport, cckey))
 		return "class port info query failed";

 	mad_dump_classportinfo(buf, sizeof buf, data, sizeof data);

 	printf("# ClassPortInfo: %s\n%s", portid2str(dest), buf);
 	return NULL;
 }

 static const char *congestion_info(ib_portid_t *dest, char **argv, int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_INFO,
 				 0, 0, NULL, srcport, cckey))
 		return "congestion info query failed";

 	mad_dump_cc_congestioninfo(buf, sizeof buf, data, sizeof data);

 	printf("# CongestionInfo: %s\n%s", portid2str(dest), buf);
 	return NULL;
 }

 static const char *congestion_key_info(ib_portid_t *dest, char **argv, int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_KEY_INFO,
 				 0, 0, NULL, srcport, cckey))
 		return "congestion key info query failed";

 	mad_dump_cc_congestionkeyinfo(buf, sizeof buf, data, sizeof data);

 	printf("# CongestionKeyInfo: %s\n%s", portid2str(dest), buf);
 	return NULL;
 }

 static const char *congestion_log(ib_portid_t *dest, char **argv, int argc)
 {
 	char buf[2048];
 	char data[IB_CC_LOG_DATA_SZ] = { 0 };
 	char emptybuf[16] = { 0 };
 	int i, type;

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_LOG,
 				 0, 0, NULL, srcport, cckey))
 		return "congestion log query failed";

 	mad_decode_field((uint8_t *)data, IB_CC_CONGESTION_LOG_LOGTYPE_F, &type);

 	if (type != 1 && type != 2)
 		return "unrecognized log type";

 	mad_dump_cc_congestionlog(buf, sizeof buf, data, sizeof data);

 	printf("# CongestionLog: %s\n%s", portid2str(dest), buf);

 	if (type == 1) {
 		mad_dump_cc_congestionlogswitch(buf, sizeof buf, data, sizeof data);
 		printf("%s\n", buf);
 		for (i = 0; i < 15; i++) {
 			/* output only if entry not 0 */
 			if (memcmp(data + 40 + i * 12, emptybuf, 12)) {
 				mad_dump_cc_congestionlogentryswitch(buf, sizeof buf,
 								     data + 40 + i * 12,
 								     12);
 				printf("%s\n", buf);
 			}
 		}
 	}
 	else {
 		/* XXX: Q3/2010 errata lists first entry offset at 80, but we assume
 		 * will be updated to 96 once CurrentTimeStamp field is word aligned.
 		 * In addition, assume max 13 log events instead of 16.  Due to
 		 * errata changes increasing size of CA log event, 16 log events is
 		 * no longer possible to fit in max MAD size.
 		 */
 		mad_dump_cc_congestionlogca(buf, sizeof buf, data, sizeof data);
 		printf("%s\n", buf);
 		for (i = 0; i < 13; i++) {
 			/* output only if entry not 0 */
 			if (memcmp(data + 12 + i * 16, emptybuf, 16)) {
 				mad_dump_cc_congestionlogentryca(buf, sizeof buf,
 								 data + 12 + i * 16,
 								 16);
 				printf("%s\n", buf);
 			}
 		}
 	}

 	return NULL;
 }

 static const char *switch_congestion_setting(ib_portid_t *dest, char **argv,
 					     int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_SWITCH_CONGESTION_SETTING,
 				 0, 0, NULL, srcport, cckey))
 		return "switch congestion setting query failed";

 	mad_dump_cc_switchcongestionsetting(buf, sizeof buf, data, sizeof data);

 	printf("# SwitchCongestionSetting: %s\n%s", portid2str(dest), buf);
 	return NULL;
 }

 static const char *switch_port_congestion_setting(ib_portid_t *dest,
 						  char **argv, int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };
 	int type, numports, maxblocks, i, j;
 	int portnum = 0;
 	int outputcount = 0;

 	if (argc > 0)
 		portnum = strtol(argv[0], NULL, 0);

 	/* Figure out number of ports first */
 	if (!smp_query_via(data, dest, IB_ATTR_NODE_INFO, 0, 0, srcport))
 		return "node info query failed";

 	mad_decode_field((uint8_t *)data, IB_NODE_TYPE_F, &type);
 	mad_decode_field((uint8_t *)data, IB_NODE_NPORTS_F, &numports);

 	if (type != IB_NODE_SWITCH)
 		return "destination not a switch";

 	printf("# SwitchPortCongestionSetting: %s\n", portid2str(dest));

 	if (portnum) {
 		if (portnum > numports)
 			return "invalid port number specified";

 		memset(data, '\0', sizeof data);
 		if (!cc_query_status_via(data, dest, IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING,
 					 portnum / 48, 0, NULL, srcport, cckey))
 			return "switch port congestion setting query failed";

 		mad_dump_cc_switchportcongestionsettingelement(buf, sizeof buf,
 							       data + ((portnum % 48) * 4),
 							       4);
 		printf("%s", buf);
 		return NULL;
 	}

 	/* else get all port info */

 	maxblocks = numports / 48 + 1;

 	for (i = 0; i < maxblocks; i++) {
 		memset(data, '\0', sizeof data);
 		if (!cc_query_status_via(data, dest, IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING,
 					 i, 0, NULL, srcport, cckey))
 			return "switch port congestion setting query failed";

 		for (j = 0; j < 48 && outputcount <= numports; j++) {
 			printf("Port:............................%u\n", i * 48 + j);
 			mad_dump_cc_switchportcongestionsettingelement(buf, sizeof buf,
 								       data + j * 4,
 								       4);
 			printf("%s\n", buf);
 			outputcount++;
 		}
 	}

 	return NULL;
 }

 static const char *ca_congestion_setting(ib_portid_t *dest, char **argv,
 					 int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };
 	int i;

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CA_CONGESTION_SETTING,
 				 0, 0, NULL, srcport, cckey))
 		return "ca congestion setting query failed";

 	mad_dump_cc_cacongestionsetting(buf, sizeof buf, data, sizeof data);

 	printf("# CACongestionSetting: %s\n%s\n", portid2str(dest), buf);

 	for (i = 0; i < 16; i++) {
 		printf("SL:..............................%u\n", i);
 		mad_dump_cc_cacongestionentry(buf, sizeof buf,
 					      data + 4 + i * 8,
 					      8);
 		printf("%s\n", buf);
 	}
 	return NULL;
 }

 static const char *congestion_control_table(ib_portid_t *dest, char **argv,
 					    int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };
 	int limit, outputcount = 0;
 	int i, j;

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_CONTROL_TABLE,
 				 0, 0, NULL, srcport, cckey))
 		return "congestion control table query failed";

 	mad_decode_field((uint8_t *)data, IB_CC_CONGESTION_CONTROL_TABLE_CCTI_LIMIT_F, &limit);

 	mad_dump_cc_congestioncontroltable(buf, sizeof buf, data, sizeof data);

 	printf("# CongestionControlTable: %s\n%s\n", portid2str(dest), buf);

 	if (!limit)
 		return NULL;

 	for (i = 0; i < (limit/64) + 1; i++) {

 		/* first query done */
 		if (i)
 			if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_CONTROL_TABLE,
 					  i, 0, NULL, srcport, cckey))
 				return "congestion control table query failed";

 		for (j = 0; j < 64 && outputcount <= limit; j++) {
 			printf("Entry:...........................%u\n", i*64 + j);
 			mad_dump_cc_congestioncontroltableentry(buf, sizeof buf,
 								data + 4 + j * 2,
 								sizeof data - 4 - j * 2);
 			printf("%s\n", buf);
 			outputcount++;
 		}
 	}
 	return NULL;
 }

 static const char *timestamp_dump(ib_portid_t *dest, char **argv, int argc)
 {
 	char buf[2048];
 	char data[IB_CC_DATA_SZ] = { 0 };

 	if (!cc_query_status_via(data, dest, IB_CC_ATTR_TIMESTAMP,
 				 0, 0, NULL, srcport, cckey))
 		return "timestamp query failed";

 	mad_dump_cc_timestamp(buf, sizeof buf, data, sizeof data);

 	printf("# Timestamp: %s\n%s", portid2str(dest), buf);
 	return NULL;
 }

 static int process_opt(void *context, int ch)
 {
 	switch (ch) {
 	case 'c':
 		cckey = (uint64_t) strtoull(optarg, NULL, 0);
 		break;
 	default:
 		return -1;
 	}
 	return 0;
 }

 int main(int argc, char **argv)
 {
 	char usage_args[1024];
 	int mgmt_classes[3] = { IB_SMI_CLASS, IB_SA_CLASS, IB_CC_CLASS };
 	ib_portid_t portid = { 0 };
 	const char *err;
 	op_fn_t *fn;
 	const match_rec_t *r;
 	int n;

 	const struct ibdiag_opt opts[] = {
 		{"cckey", 'c', 1, "<key>", "CC key"},
 		{}
 	};
 	const char *usage_examples[] = {
 		"CongestionInfo 3\t\t\t# Congestion Info by lid",
 		"SwitchPortCongestionSetting 3\t# Query all Switch Port Congestion Settings",
 		"SwitchPortCongestionSetting 3 1\t# Query Switch Port Congestion Setting for port 1",
 		NULL
 	};

 	n = sprintf(usage_args, "[-c key] <op> <lid|guid>\n"
 		    "\nSupported ops (and aliases, case insensitive):\n");
 	for (r = match_tbl; r->name; r++) {
 		n += snprintf(usage_args + n, sizeof(usage_args) - n,
 			      "  %s (%s) <lid|guid>%s\n", r->name,
 			      r->alias ? r->alias : "",
 			      r->opt_portnum ? " [<portnum>]" : "");
 		if (n >= sizeof(usage_args))
 			exit(-1);
 	}

 	ibdiag_process_opts(argc, argv, NULL, "DK", opts, process_opt,
 			    usage_args, usage_examples);

 	argc -= optind;
 	argv += optind;

 	if (argc < 2)
 		ibdiag_show_usage();

 	if (!(fn = match_op(match_tbl, argv[0])))
 		IBEXIT("operation '%s' not supported", argv[0]);

 	srcport = mad_rpc_open_port(ibd_ca, ibd_ca_port, mgmt_classes, 3);
 	if (!srcport)
 		IBEXIT("Failed to open '%s' port '%d'", ibd_ca, ibd_ca_port);

 	smp_mkey_set(srcport, ibd_mkey);

 	if (resolve_portid_str(ibd_ca, ibd_ca_port, &portid, argv[1],
 			       ibd_dest_type, ibd_sm_id, srcport) < 0)
 		IBEXIT("can't resolve destination %s", argv[1]);
 	if ((err = fn(&portid, argv + 2, argc - 2)))
 		IBEXIT("operation %s: %s", argv[0], err);

 	mad_rpc_close_port(srcport);
 	exit(0);
 }
	/*
	* Copyright (c) 2004-2009 Voltaire Inc. All rights reserved.
	* Copyright (c) 2011 Mellanox Technologies LTD. All rights reserved.
	* Copyright (c) 2011 Lawrence Livermore National Lab. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials
	* provided with the distribution.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*
	*/

	#include <stdio.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <string.h>
	#include <netinet/in.h>

	#define __STDC_FORMAT_MACROS
	#include <inttypes.h>

	#include <infiniband/mad.h>

	#include "ibdiag_common.h"

	static struct ibmad_port *srcport;

	static op_fn_t class_port_info;
	static op_fn_t congestion_info;
	static op_fn_t congestion_key_info;
	static op_fn_t congestion_log;
	static op_fn_t switch_congestion_setting;
	static op_fn_t switch_port_congestion_setting;
	static op_fn_t ca_congestion_setting;
	static op_fn_t congestion_control_table;
	static op_fn_t timestamp_dump;

	static const match_rec_t match_tbl[] = {
	{"ClassPortInfo", "CP", class_port_info, 0, ""},
	{"CongestionInfo", "CI", congestion_info, 0, ""},
	{"CongestionKeyInfo", "CK", congestion_key_info, 0, ""},
	{"CongestionLog", "CL", congestion_log, 0, ""},
	{"SwitchCongestionSetting", "SS", switch_congestion_setting, 0, ""},
	{"SwitchPortCongestionSetting", "SP", switch_port_congestion_setting, 1, ""},
	{"CACongestionSetting", "CS", ca_congestion_setting, 0, ""},
	{"CongestionControlTable", "CT", congestion_control_table, 0, ""},
	{"Timestamp", "TI", timestamp_dump, 0, ""},
	{}
	};

	static uint64_t cckey = 0;

	/*******************************************/
	static const char class_port_info(ib_portid_t dest, char **argv, int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };

	if (!cc_query_status_via(data, dest, CLASS_PORT_INFO,
	0, 0, NULL, srcport, cckey))
	return "class port info query failed";

	mad_dump_classportinfo(buf, sizeof buf, data, sizeof data);

	printf("# ClassPortInfo: %s\n%s", portid2str(dest), buf);
	return NULL;
	}

	static const char congestion_info(ib_portid_t dest, char **argv, int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_INFO,
	0, 0, NULL, srcport, cckey))
	return "congestion info query failed";

	mad_dump_cc_congestioninfo(buf, sizeof buf, data, sizeof data);

	printf("# CongestionInfo: %s\n%s", portid2str(dest), buf);
	return NULL;
	}

	static const char congestion_key_info(ib_portid_t dest, char **argv, int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_KEY_INFO,
	0, 0, NULL, srcport, cckey))
	return "congestion key info query failed";

	mad_dump_cc_congestionkeyinfo(buf, sizeof buf, data, sizeof data);

	printf("# CongestionKeyInfo: %s\n%s", portid2str(dest), buf);
	return NULL;
	}

	static const char congestion_log(ib_portid_t dest, char **argv, int argc)
	{
	char buf[2048];
	char data[IB_CC_LOG_DATA_SZ] = { 0 };
	char emptybuf[16] = { 0 };
	int i, type;

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_LOG,
	0, 0, NULL, srcport, cckey))
	return "congestion log query failed";

	mad_decode_field((uint8_t *)data, IB_CC_CONGESTION_LOG_LOGTYPE_F, &type);

	if (type != 1 && type != 2)
	return "unrecognized log type";

	mad_dump_cc_congestionlog(buf, sizeof buf, data, sizeof data);

	printf("# CongestionLog: %s\n%s", portid2str(dest), buf);

	if (type == 1) {
	mad_dump_cc_congestionlogswitch(buf, sizeof buf, data, sizeof data);
	printf("%s\n", buf);
	for (i = 0; i < 15; i++) {
	/* output only if entry not 0 */
	if (memcmp(data + 40 + i * 12, emptybuf, 12)) {
	mad_dump_cc_congestionlogentryswitch(buf, sizeof buf,
	data + 40 + i * 12,
	12);
	printf("%s\n", buf);
	}
	}
	}
	else {
	/* XXX: Q3/2010 errata lists first entry offset at 80, but we assume
	* will be updated to 96 once CurrentTimeStamp field is word aligned.
	* In addition, assume max 13 log events instead of 16. Due to
	* errata changes increasing size of CA log event, 16 log events is
	* no longer possible to fit in max MAD size.
	*/
	mad_dump_cc_congestionlogca(buf, sizeof buf, data, sizeof data);
	printf("%s\n", buf);
	for (i = 0; i < 13; i++) {
	/* output only if entry not 0 */
	if (memcmp(data + 12 + i * 16, emptybuf, 16)) {
	mad_dump_cc_congestionlogentryca(buf, sizeof buf,
	data + 12 + i * 16,
	16);
	printf("%s\n", buf);
	}
	}
	}

	return NULL;
	}

	static const char switch_congestion_setting(ib_portid_t dest, char **argv,
	int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_SWITCH_CONGESTION_SETTING,
	0, 0, NULL, srcport, cckey))
	return "switch congestion setting query failed";

	mad_dump_cc_switchcongestionsetting(buf, sizeof buf, data, sizeof data);

	printf("# SwitchCongestionSetting: %s\n%s", portid2str(dest), buf);
	return NULL;
	}

	static const char switch_port_congestion_setting(ib_portid_t dest,
	char **argv, int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };
	int type, numports, maxblocks, i, j;
	int portnum = 0;
	int outputcount = 0;

	if (argc > 0)
	portnum = strtol(argv[0], NULL, 0);

	/* Figure out number of ports first */
	if (!smp_query_via(data, dest, IB_ATTR_NODE_INFO, 0, 0, srcport))
	return "node info query failed";

	mad_decode_field((uint8_t *)data, IB_NODE_TYPE_F, &type);
	mad_decode_field((uint8_t *)data, IB_NODE_NPORTS_F, &numports);

	if (type != IB_NODE_SWITCH)
	return "destination not a switch";

	printf("# SwitchPortCongestionSetting: %s\n", portid2str(dest));

	if (portnum) {
	if (portnum > numports)
	return "invalid port number specified";

	memset(data, '\0', sizeof data);
	if (!cc_query_status_via(data, dest, IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING,
	portnum / 48, 0, NULL, srcport, cckey))
	return "switch port congestion setting query failed";

	mad_dump_cc_switchportcongestionsettingelement(buf, sizeof buf,
	data + ((portnum % 48) * 4),
	4);
	printf("%s", buf);
	return NULL;
	}

	/* else get all port info */

	maxblocks = numports / 48 + 1;

	for (i = 0; i < maxblocks; i++) {
	memset(data, '\0', sizeof data);
	if (!cc_query_status_via(data, dest, IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING,
	i, 0, NULL, srcport, cckey))
	return "switch port congestion setting query failed";

	for (j = 0; j < 48 && outputcount <= numports; j++) {
	printf("Port:............................%u\n", i * 48 + j);
	mad_dump_cc_switchportcongestionsettingelement(buf, sizeof buf,
	data + j * 4,
	4);
	printf("%s\n", buf);
	outputcount++;
	}
	}

	return NULL;
	}

	static const char ca_congestion_setting(ib_portid_t dest, char **argv,
	int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };
	int i;

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CA_CONGESTION_SETTING,
	0, 0, NULL, srcport, cckey))
	return "ca congestion setting query failed";

	mad_dump_cc_cacongestionsetting(buf, sizeof buf, data, sizeof data);

	printf("# CACongestionSetting: %s\n%s\n", portid2str(dest), buf);

	for (i = 0; i < 16; i++) {
	printf("SL:..............................%u\n", i);
	mad_dump_cc_cacongestionentry(buf, sizeof buf,
	data + 4 + i * 8,
	8);
	printf("%s\n", buf);
	}
	return NULL;
	}

	static const char congestion_control_table(ib_portid_t dest, char **argv,
	int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };
	int limit, outputcount = 0;
	int i, j;

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_CONTROL_TABLE,
	0, 0, NULL, srcport, cckey))
	return "congestion control table query failed";

	mad_decode_field((uint8_t *)data, IB_CC_CONGESTION_CONTROL_TABLE_CCTI_LIMIT_F, &limit);

	mad_dump_cc_congestioncontroltable(buf, sizeof buf, data, sizeof data);

	printf("# CongestionControlTable: %s\n%s\n", portid2str(dest), buf);

	if (!limit)
	return NULL;

	for (i = 0; i < (limit/64) + 1; i++) {

	/* first query done */
	if (i)
	if (!cc_query_status_via(data, dest, IB_CC_ATTR_CONGESTION_CONTROL_TABLE,
	i, 0, NULL, srcport, cckey))
	return "congestion control table query failed";

	for (j = 0; j < 64 && outputcount <= limit; j++) {
	printf("Entry:...........................%u\n", i*64 + j);
	mad_dump_cc_congestioncontroltableentry(buf, sizeof buf,
	data + 4 + j * 2,
	sizeof data - 4 - j * 2);
	printf("%s\n", buf);
	outputcount++;
	}
	}
	return NULL;
	}

	static const char timestamp_dump(ib_portid_t dest, char **argv, int argc)
	{
	char buf[2048];
	char data[IB_CC_DATA_SZ] = { 0 };

	if (!cc_query_status_via(data, dest, IB_CC_ATTR_TIMESTAMP,
	0, 0, NULL, srcport, cckey))
	return "timestamp query failed";

	mad_dump_cc_timestamp(buf, sizeof buf, data, sizeof data);

	printf("# Timestamp: %s\n%s", portid2str(dest), buf);
	return NULL;
	}

	static int process_opt(void *context, int ch)
	{
	switch (ch) {
	case 'c':
	cckey = (uint64_t) strtoull(optarg, NULL, 0);
	break;
	default:
	return -1;
	}
	return 0;
	}

	int main(int argc, char **argv)
	{
	char usage_args[1024];
	int mgmt_classes[3] = { IB_SMI_CLASS, IB_SA_CLASS, IB_CC_CLASS };
	ib_portid_t portid = { 0 };
	const char *err;
	op_fn_t *fn;
	const match_rec_t *r;
	int n;

	const struct ibdiag_opt opts[] = {
	{"cckey", 'c', 1, "<key>", "CC key"},
	{}
	};
	const char *usage_examples[] = {
	"CongestionInfo 3\t\t\t# Congestion Info by lid",
	"SwitchPortCongestionSetting 3\t# Query all Switch Port Congestion Settings",
	"SwitchPortCongestionSetting 3 1\t# Query Switch Port Congestion Setting for port 1",
	NULL
	};

	n = sprintf(usage_args, "[-c key] <op> <lid\|guid>\n"
	"\nSupported ops (and aliases, case insensitive):\n");
	for (r = match_tbl; r->name; r++) {
	n += snprintf(usage_args + n, sizeof(usage_args) - n,
	" %s (%s) <lid\|guid>%s\n", r->name,
	r->alias ? r->alias : "",
	r->opt_portnum ? " [<portnum>]" : "");
	if (n >= sizeof(usage_args))
	exit(-1);
	}

	ibdiag_process_opts(argc, argv, NULL, "DK", opts, process_opt,
	usage_args, usage_examples);

	argc -= optind;
	argv += optind;

	if (argc < 2)
	ibdiag_show_usage();

	if (!(fn = match_op(match_tbl, argv[0])))
	IBEXIT("operation '%s' not supported", argv[0]);

	srcport = mad_rpc_open_port(ibd_ca, ibd_ca_port, mgmt_classes, 3);
	if (!srcport)
	IBEXIT("Failed to open '%s' port '%d'", ibd_ca, ibd_ca_port);

	smp_mkey_set(srcport, ibd_mkey);

	if (resolve_portid_str(ibd_ca, ibd_ca_port, &portid, argv[1],
	ibd_dest_type, ibd_sm_id, srcport) < 0)
	IBEXIT("can't resolve destination %s", argv[1]);
	if ((err = fn(&portid, argv + 2, argc - 2)))
	IBEXIT("operation %s: %s", argv[0], err);

	mad_rpc_close_port(srcport);
	exit(0);
	}