1/*
2 * Copyright (c) 2004-2009 Voltaire Inc.  All rights reserved.
3 * Copyright (c) 2011 Mellanox Technologies LTD.  All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses.  You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 *     Redistribution and use in source and binary forms, with or
12 *     without modification, are permitted provided that the following
13 *     conditions are met:
14 *
15 *      - Redistributions of source code must retain the above
16 *        copyright notice, this list of conditions and the following
17 *        disclaimer.
18 *
19 *      - Redistributions in binary form must reproduce the above
20 *        copyright notice, this list of conditions and the following
21 *        disclaimer in the documentation and/or other materials
22 *        provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 */
34
35#if HAVE_CONFIG_H
36#  include <config.h>
37#endif				/* HAVE_CONFIG_H */
38
39#include <stdio.h>
40#include <stdlib.h>
41#include <unistd.h>
42#include <getopt.h>
43#include <arpa/inet.h>
44
45#include <infiniband/umad.h>
46#include <infiniband/mad.h>
47
48#include "ibdiag_common.h"
49
50struct ibmad_port *srcport;
51
52static int ib_resolve_addr(ib_portid_t * portid, int portnum, int show_lid,
53			   int show_gid)
54{
55	char gid_str[INET6_ADDRSTRLEN];
56	uint8_t portinfo[IB_SMP_DATA_SIZE] = { 0 };
57	uint8_t nodeinfo[IB_SMP_DATA_SIZE] = { 0 };
58	uint64_t guid, prefix;
59	ibmad_gid_t gid;
60	int lmc;
61
62	if (!smp_query_via(nodeinfo, portid, IB_ATTR_NODE_INFO, 0, 0, srcport))
63		return -1;
64
65	if (!smp_query_via(portinfo, portid, IB_ATTR_PORT_INFO, portnum, 0,
66			   srcport))
67		return -1;
68
69	mad_decode_field(portinfo, IB_PORT_LID_F, &portid->lid);
70	mad_decode_field(portinfo, IB_PORT_GID_PREFIX_F, &prefix);
71	mad_decode_field(portinfo, IB_PORT_LMC_F, &lmc);
72	mad_decode_field(nodeinfo, IB_NODE_PORT_GUID_F, &guid);
73
74	mad_encode_field(gid, IB_GID_PREFIX_F, &prefix);
75	mad_encode_field(gid, IB_GID_GUID_F, &guid);
76
77	if (show_gid) {
78		printf("GID %s ", inet_ntop(AF_INET6, gid, gid_str,
79					    sizeof gid_str));
80	}
81
82	if (show_lid > 0)
83		printf("LID start 0x%x end 0x%x", portid->lid,
84		       portid->lid + (1 << lmc) - 1);
85	else if (show_lid < 0)
86		printf("LID start %u end %u", portid->lid,
87		       portid->lid + (1 << lmc) - 1);
88	printf("\n");
89	return 0;
90}
91
92static int show_lid, show_gid;
93
94static int process_opt(void *context, int ch, char *optarg)
95{
96	switch (ch) {
97	case 'g':
98		show_gid = 1;
99		break;
100	case 'l':
101		show_lid++;
102		break;
103	case 'L':
104		show_lid = -100;
105		break;
106	default:
107		return -1;
108	}
109	return 0;
110}
111
112int main(int argc, char **argv)
113{
114	int mgmt_classes[3] =
115	    { IB_SMI_CLASS, IB_SMI_DIRECT_CLASS, IB_SA_CLASS };
116	ib_portid_t portid = { 0 };
117	int port = 0;
118
119	const struct ibdiag_opt opts[] = {
120		{"gid_show", 'g', 0, NULL, "show gid address only"},
121		{"lid_show", 'l', 0, NULL, "show lid range only"},
122		{"Lid_show", 'L', 0, NULL, "show lid range (in decimal) only"},
123		{0}
124	};
125	char usage_args[] = "[<lid|dr_path|guid>]";
126	const char *usage_examples[] = {
127		"\t\t# local port's address",
128		"32\t\t# show lid range and gid of lid 32",
129		"-G 0x8f1040023\t# same but using guid address",
130		"-l 32\t\t# show lid range only",
131		"-L 32\t\t# show decimal lid range only",
132		"-g 32\t\t# show gid address only",
133		NULL
134	};
135
136	ibdiag_process_opts(argc, argv, NULL, "KL", opts, process_opt,
137			    usage_args, usage_examples);
138
139	argc -= optind;
140	argv += optind;
141
142	if (argc > 1)
143		port = strtoul(argv[1], 0, 0);
144
145	if (!show_lid && !show_gid)
146		show_lid = show_gid = 1;
147
148	srcport = mad_rpc_open_port(ibd_ca, ibd_ca_port, mgmt_classes, 3);
149	if (!srcport)
150		IBEXIT("Failed to open '%s' port '%d'", ibd_ca, ibd_ca_port);
151
152	smp_mkey_set(srcport, ibd_mkey);
153
154	if (argc) {
155		if (resolve_portid_str(ibd_ca, ibd_ca_port, &portid, argv[0],
156				       ibd_dest_type, ibd_sm_id, srcport) < 0)
157			IBEXIT("can't resolve destination port %s", argv[0]);
158	} else {
159		if (resolve_self(ibd_ca, ibd_ca_port, &portid, &port, NULL) < 0)
160			IBEXIT("can't resolve self port %s", argv[0]);
161	}
162
163	if (ib_resolve_addr(&portid, port, show_lid, show_gid) < 0)
164		IBEXIT("can't resolve requested address");
165
166	mad_rpc_close_port(srcport);
167	exit(0);
168}
169