1 /*
2 * Copyright (c) 2004-2009 Voltaire Inc. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 *
32 */
33
34 #define _GNU_SOURCE
35
36 #if HAVE_CONFIG_H
37 # include <config.h>
38 #endif /* HAVE_CONFIG_H */
39
40 #include <inttypes.h>
41 #include <string.h>
42 #include <errno.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <getopt.h>
46 #include <netinet/in.h>
47
48 #include <infiniband/mad.h>
49 #include <infiniband/umad.h>
50
51 #include <ibdiag_common.h>
52
53 static int mad_agent;
54 static int drmad_tid = 0x123;
55
56 typedef struct {
57 char path[64];
58 int hop_cnt;
59 } DRPath;
60
61 struct drsmp {
62 uint8_t base_version;
63 uint8_t mgmt_class;
64 uint8_t class_version;
65 uint8_t method;
66 uint16_t status;
67 uint8_t hop_ptr;
68 uint8_t hop_cnt;
69 uint64_t tid;
70 uint16_t attr_id;
71 uint16_t resv;
72 uint32_t attr_mod;
73 uint64_t mkey;
74 uint16_t dr_slid;
75 uint16_t dr_dlid;
76 uint8_t reserved[28];
77 uint8_t data[64];
78 uint8_t initial_path[64];
79 uint8_t return_path[64];
80 };
81
drsmp_get_init(void * umad,DRPath * path,int attr,int mod)82 void drsmp_get_init(void *umad, DRPath * path, int attr, int mod)
83 {
84 struct drsmp *smp = (struct drsmp *)(umad_get_mad(umad));
85
86 memset(smp, 0, sizeof(*smp));
87
88 smp->base_version = 1;
89 smp->mgmt_class = IB_SMI_DIRECT_CLASS;
90 smp->class_version = 1;
91
92 smp->method = 1;
93 smp->attr_id = (uint16_t) htons((uint16_t) attr);
94 smp->attr_mod = htonl(mod);
95 smp->tid = htonll(drmad_tid++);
96 smp->dr_slid = 0xffff;
97 smp->dr_dlid = 0xffff;
98
99 umad_set_addr(umad, 0xffff, 0, 0, 0);
100
101 if (path)
102 memcpy(smp->initial_path, path->path, path->hop_cnt + 1);
103
104 smp->hop_cnt = (uint8_t) path->hop_cnt;
105 }
106
smp_get_init(void * umad,int lid,int attr,int mod)107 void smp_get_init(void *umad, int lid, int attr, int mod)
108 {
109 struct drsmp *smp = (struct drsmp *)(umad_get_mad(umad));
110
111 memset(smp, 0, sizeof(*smp));
112
113 smp->base_version = 1;
114 smp->mgmt_class = IB_SMI_CLASS;
115 smp->class_version = 1;
116
117 smp->method = 1;
118 smp->attr_id = (uint16_t) htons((uint16_t) attr);
119 smp->attr_mod = htonl(mod);
120 smp->tid = htonll(drmad_tid++);
121
122 umad_set_addr(umad, lid, 0, 0, 0);
123 }
124
drsmp_set_init(void * umad,DRPath * path,int attr,int mod,void * data)125 void drsmp_set_init(void *umad, DRPath * path, int attr, int mod, void *data)
126 {
127 struct drsmp *smp = (struct drsmp *)(umad_get_mad(umad));
128
129 memset(smp, 0, sizeof(*smp));
130
131 smp->method = 2; /* SET */
132 smp->attr_id = (uint16_t) htons((uint16_t) attr);
133 smp->attr_mod = htonl(mod);
134 smp->tid = htonll(drmad_tid++);
135 smp->dr_slid = 0xffff;
136 smp->dr_dlid = 0xffff;
137
138 umad_set_addr(umad, 0xffff, 0, 0, 0);
139
140 if (path)
141 memcpy(smp->initial_path, path->path, path->hop_cnt + 1);
142
143 if (data)
144 memcpy(smp->data, data, sizeof smp->data);
145
146 smp->hop_cnt = (uint8_t) path->hop_cnt;
147 }
148
drmad_status_str(struct drsmp * drsmp)149 char *drmad_status_str(struct drsmp *drsmp)
150 {
151 switch (drsmp->status) {
152 case 0:
153 return "success";
154 case ETIMEDOUT:
155 return "timeout";
156 }
157 return "unknown error";
158 }
159
str2DRPath(char * str,DRPath * path)160 int str2DRPath(char *str, DRPath * path)
161 {
162 char *s;
163
164 path->hop_cnt = -1;
165
166 DEBUG("DR str: %s", str);
167 while (str && *str) {
168 if ((s = strchr(str, ',')))
169 *s = 0;
170 path->path[++path->hop_cnt] = (char)atoi(str);
171 if (!s)
172 break;
173 str = s + 1;
174 }
175
176 #if 0
177 if (path->path[0] != 0 ||
178 (path->hop_cnt > 0 && dev_port && path->path[1] != dev_port)) {
179 DEBUG("hop 0 != 0 or hop 1 != dev_port");
180 return -1;
181 }
182 #endif
183
184 return path->hop_cnt;
185 }
186
187 static int dump_char, mgmt_class = IB_SMI_CLASS;
188
process_opt(void * context,int ch,char * optarg)189 static int process_opt(void *context, int ch, char *optarg)
190 {
191 switch (ch) {
192 case 's':
193 dump_char++;
194 break;
195 case 'D':
196 mgmt_class = IB_SMI_DIRECT_CLASS;
197 break;
198 case 'L':
199 mgmt_class = IB_SMI_CLASS;
200 break;
201 default:
202 return -1;
203 }
204 return 0;
205 }
206
207 #ifndef strdupa
208 #define strdupa(_s) \
209 ({ \
210 char *_d; \
211 int _len; \
212 \
213 _len = strlen(_s) + 1; \
214 _d = alloca(_len); \
215 if (_d) \
216 memcpy(_d, _s, _len); \
217 _d; \
218 })
219 #endif
220
main(int argc,char * argv[])221 int main(int argc, char *argv[])
222 {
223 int dlid = 0;
224 void *umad;
225 struct drsmp *smp;
226 int i, portid, mod = 0, attr;
227 DRPath path;
228 uint8_t *desc;
229 int length;
230
231 const struct ibdiag_opt opts[] = {
232 {"string", 's', 0, NULL, ""},
233 {0}
234 };
235 char usage_args[] = "<dlid|dr_path> <attr> [mod]";
236 const char *usage_examples[] = {
237 " -- DR routed examples:",
238 "-D 0,1,2,3,5 16 # NODE DESC",
239 "-D 0,1,2 0x15 2 # PORT INFO, port 2",
240 " -- LID routed examples:",
241 "3 0x15 2 # PORT INFO, lid 3 port 2",
242 "0xa0 0x11 # NODE INFO, lid 0xa0",
243 NULL
244 };
245
246 ibd_timeout = 1000;
247
248 ibdiag_process_opts(argc, argv, NULL, "GKs", opts, process_opt,
249 usage_args, usage_examples);
250
251 argc -= optind;
252 argv += optind;
253
254 if (argc < 2)
255 ibdiag_show_usage();
256
257 if (mgmt_class == IB_SMI_DIRECT_CLASS &&
258 str2DRPath(strdupa(argv[0]), &path) < 0)
259 IBPANIC("bad path str '%s'", argv[0]);
260
261 if (mgmt_class == IB_SMI_CLASS)
262 dlid = strtoul(argv[0], 0, 0);
263
264 attr = strtoul(argv[1], 0, 0);
265 if (argc > 2)
266 mod = strtoul(argv[2], 0, 0);
267
268 if (umad_init() < 0)
269 IBPANIC("can't init UMAD library");
270
271 if ((portid = umad_open_port(ibd_ca, ibd_ca_port)) < 0)
272 IBPANIC("can't open UMAD port (%s:%d)", ibd_ca, ibd_ca_port);
273
274 if ((mad_agent = umad_register(portid, mgmt_class, 1, 0, 0)) < 0)
275 IBPANIC("Couldn't register agent for SMPs");
276
277 if (!(umad = umad_alloc(1, umad_size() + IB_MAD_SIZE)))
278 IBPANIC("can't alloc MAD");
279
280 smp = umad_get_mad(umad);
281
282 if (mgmt_class == IB_SMI_DIRECT_CLASS)
283 drsmp_get_init(umad, &path, attr, mod);
284 else
285 smp_get_init(umad, dlid, attr, mod);
286
287 if (ibdebug > 1)
288 xdump(stderr, "before send:\n", smp, 256);
289
290 length = IB_MAD_SIZE;
291 if (umad_send(portid, mad_agent, umad, length, ibd_timeout, 0) < 0)
292 IBPANIC("send failed");
293
294 if (umad_recv(portid, umad, &length, -1) != mad_agent)
295 IBPANIC("recv error: %s", drmad_status_str(smp));
296
297 if (!dump_char) {
298 xdump(stdout, 0, smp->data, 64);
299 if (smp->status)
300 fprintf(stdout, "SMP status: 0x%x\n",
301 ntohs(smp->status));
302 goto exit;
303 }
304
305 desc = smp->data;
306 for (i = 0; i < 64; ++i) {
307 if (!desc[i])
308 break;
309 putchar(desc[i]);
310 }
311 putchar('\n');
312 if (smp->status)
313 fprintf(stdout, "SMP status: 0x%x\n", ntohs(smp->status));
314
315 exit:
316 umad_free(umad);
317 return 0;
318 }
319