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 #define _GNU_SOURCE
36
37 #if HAVE_CONFIG_H
38 # include <config.h>
39 #endif /* HAVE_CONFIG_H */
40
41 #include <inttypes.h>
42 #include <string.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <getopt.h>
46 #include <netinet/in.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49 #include <fcntl.h>
50 #include <errno.h>
51 #include <sys/sysctl.h>
52
53 #include <infiniband/umad.h>
54
55 #include <ibdiag_common.h>
56
57 static char *node_type_str[] = {
58 "???",
59 "CA",
60 "Switch",
61 "Router",
62 "iWARP RNIC"
63 };
64
ca_dump(umad_ca_t * ca)65 static void ca_dump(umad_ca_t * ca)
66 {
67 if (!ca->node_type)
68 return;
69 printf("%s '%s'\n",
70 ((unsigned)ca->node_type <=
71 IB_NODE_MAX ? node_type_str[ca->node_type] : "???"),
72 ca->ca_name);
73 printf("\t%s type: %s\n",
74 ((unsigned)ca->node_type <=
75 IB_NODE_MAX ? node_type_str[ca->node_type] : "???"),
76 ca->ca_type);
77 printf("\tNumber of ports: %d\n", ca->numports);
78 printf("\tFirmware version: %s\n", ca->fw_ver);
79 printf("\tHardware version: %s\n", ca->hw_ver);
80 printf("\tNode GUID: 0x%016" PRIx64 "\n", ntohll(ca->node_guid));
81 printf("\tSystem image GUID: 0x%016" PRIx64 "\n",
82 ntohll(ca->system_guid));
83 }
84
85 static char *port_state_str[] = {
86 "???",
87 "Down",
88 "Initializing",
89 "Armed",
90 "Active"
91 };
92
93 static char *port_phy_state_str[] = {
94 "No state change",
95 "Sleep",
96 "Polling",
97 "Disabled",
98 "PortConfigurationTraining",
99 "LinkUp",
100 "LinkErrorRecovery",
101 "PhyTest"
102 };
103
ret_code(void)104 static int ret_code(void)
105 {
106 int e = errno;
107
108 if (e > 0)
109 return -e;
110 return e;
111 }
112
sys_read_string(const char * dir_name,const char * file_name,char * str,int max_len)113 int sys_read_string(const char *dir_name, const char *file_name, char *str, int max_len)
114 {
115 char path[256], *s;
116 size_t len;
117
118 snprintf(path, sizeof(path), "%s/%s", dir_name, file_name);
119
120 for (s = &path[0]; *s != '\0'; s++)
121 if (*s == '/')
122 *s = '.';
123
124 len = max_len;
125 if (sysctlbyname(&path[1], str, &len, NULL, 0) == -1)
126 return ret_code();
127
128 str[(len < max_len) ? len : max_len - 1] = 0;
129
130 if ((s = strrchr(str, '\n')))
131 *s = 0;
132
133 return 0;
134 }
135
is_fdr10(umad_port_t * port)136 static int is_fdr10(umad_port_t *port)
137 {
138 char port_dir[256];
139 char rate[32];
140 int len, fdr10 = 0;
141 char *p;
142
143 len = snprintf(port_dir, sizeof(port_dir), "%s/%s/%s/%d",
144 SYS_INFINIBAND, port->ca_name, SYS_CA_PORTS_DIR,
145 port->portnum);
146 if (len < 0 || len > sizeof(port_dir))
147 goto done;
148
149 if (sys_read_string(port_dir, SYS_PORT_RATE, rate, sizeof(rate)) == 0) {
150 if ((p = strchr(rate, ')'))) {
151 if (!strncasecmp(p - 5, "fdr10", 5))
152 fdr10 = 1;
153 }
154 }
155
156 done:
157 return fdr10;
158 }
159
port_dump(umad_port_t * port,int alone)160 static int port_dump(umad_port_t * port, int alone)
161 {
162 char *pre = "";
163 char *hdrpre = "";
164
165 if (!port)
166 return -1;
167
168 if (!alone) {
169 pre = " ";
170 hdrpre = " ";
171 }
172
173 printf("%sPort %d:\n", hdrpre, port->portnum);
174 printf("%sState: %s\n", pre,
175 (unsigned)port->state <=
176 4 ? port_state_str[port->state] : "???");
177 printf("%sPhysical state: %s\n", pre,
178 (unsigned)port->phys_state <=
179 7 ? port_phy_state_str[port->phys_state] : "???");
180 if (is_fdr10(port))
181 printf("%sRate: %d (FDR10)\n", pre, port->rate);
182 else
183 if (port->rate != 2)
184 printf("%sRate: %d\n", pre, port->rate);
185 else
186 printf("%sRate: 2.5\n", pre);
187 printf("%sBase lid: %d\n", pre, port->base_lid);
188 printf("%sLMC: %d\n", pre, port->lmc);
189 printf("%sSM lid: %d\n", pre, port->sm_lid);
190 printf("%sCapability mask: 0x%08x\n", pre, ntohl(port->capmask));
191 printf("%sPort GUID: 0x%016" PRIx64 "\n", pre, ntohll(port->port_guid));
192 #ifdef HAVE_UMAD_PORT_LINK_LAYER
193 printf("%sLink layer: %s\n", pre, port->link_layer);
194 #endif
195 return 0;
196 }
197
ca_stat(char * ca_name,int portnum,int no_ports)198 static int ca_stat(char *ca_name, int portnum, int no_ports)
199 {
200 umad_ca_t ca;
201 int r;
202
203 if ((r = umad_get_ca(ca_name, &ca)) < 0)
204 return r;
205
206 if (!ca.node_type)
207 return 0;
208
209 if (!no_ports && portnum >= 0) {
210 if (portnum > ca.numports || !ca.ports[portnum]) {
211 IBWARN("%s: '%s' has no port number %d - max (%d)",
212 ((unsigned)ca.node_type <=
213 IB_NODE_MAX ? node_type_str[ca.node_type] :
214 "???"), ca_name, portnum, ca.numports);
215 return -1;
216 }
217 printf("%s: '%s'\n",
218 ((unsigned)ca.node_type <=
219 IB_NODE_MAX ? node_type_str[ca.node_type] : "???"),
220 ca.ca_name);
221 port_dump(ca.ports[portnum], 1);
222 return 0;
223 }
224
225 /* print ca header */
226 ca_dump(&ca);
227
228 if (no_ports)
229 return 0;
230
231 for (portnum = 0; portnum <= ca.numports; portnum++)
232 port_dump(ca.ports[portnum], 0);
233
234 return 0;
235 }
236
ports_list(char names[][UMAD_CA_NAME_LEN],int n)237 static int ports_list(char names[][UMAD_CA_NAME_LEN], int n)
238 {
239 uint64_t guids[64];
240 int found, ports, i;
241
242 for (i = 0, found = 0; i < n && found < 64; i++) {
243 if ((ports =
244 umad_get_ca_portguids(names[i], guids + found,
245 64 - found)) < 0)
246 return -1;
247 found += ports;
248 }
249
250 for (i = 0; i < found; i++)
251 if (guids[i])
252 printf("0x%016" PRIx64 "\n", ntohll(guids[i]));
253 return found;
254 }
255
256 static int list_only, short_format, list_ports;
257
process_opt(void * context,int ch,char * optarg)258 static int process_opt(void *context, int ch, char *optarg)
259 {
260 switch (ch) {
261 case 'l':
262 list_only++;
263 break;
264 case 's':
265 short_format++;
266 break;
267 case 'p':
268 list_ports++;
269 break;
270 default:
271 return -1;
272 }
273 return 0;
274 }
275
main(int argc,char * argv[])276 int main(int argc, char *argv[])
277 {
278 char names[UMAD_MAX_DEVICES][UMAD_CA_NAME_LEN];
279 int dev_port = -1;
280 int n, i;
281
282 const struct ibdiag_opt opts[] = {
283 {"list_of_cas", 'l', 0, NULL, "list all IB devices"},
284 {"short", 's', 0, NULL, "short output"},
285 {"port_list", 'p', 0, NULL, "show port list"},
286 {0}
287 };
288 char usage_args[] = "<ca_name> [portnum]";
289 const char *usage_examples[] = {
290 "-l # list all IB devices",
291 "mthca0 2 # stat port 2 of 'mthca0'",
292 NULL
293 };
294
295 ibdiag_process_opts(argc, argv, NULL, "CDeGKLPsty", opts, process_opt,
296 usage_args, usage_examples);
297
298 argc -= optind;
299 argv += optind;
300
301 if (argc > 1)
302 dev_port = strtol(argv[1], 0, 0);
303
304 if (umad_init() < 0)
305 IBPANIC("can't init UMAD library");
306
307 if ((n = umad_get_cas_names(names, UMAD_MAX_DEVICES)) < 0)
308 IBPANIC("can't list IB device names");
309
310 if (argc) {
311 for (i = 0; i < n; i++)
312 if (!strncmp(names[i], argv[0], sizeof names[i]))
313 break;
314 if (i >= n)
315 IBPANIC("'%s' IB device can't be found", argv[0]);
316
317 strncpy(names[0], argv[0], sizeof(names[0])-1);
318 names[0][sizeof(names[0])-1] = '\0';
319 n = 1;
320 }
321
322 if (list_ports) {
323 if (ports_list(names, n) < 0)
324 IBPANIC("can't list ports");
325 return 0;
326 }
327
328 for (i = 0; i < n; i++) {
329 if (list_only)
330 printf("%s\n", names[i]);
331 else if (ca_stat(names[i], dev_port, short_format) < 0)
332 IBPANIC("stat of IB device '%s' failed", names[i]);
333 }
334
335 return 0;
336 }
337