1 /*
2  * Copyright (c) 2004-2008 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 #if HAVE_CONFIG_H
35 #  include <config.h>
36 #endif /* HAVE_CONFIG_H */
37 
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <unistd.h>
41 #include <stdarg.h>
42 #include <time.h>
43 #include <string.h>
44 #include <getopt.h>
45 
46 #include <infiniband/common.h>
47 #include <infiniband/umad.h>
48 #include <infiniband/mad.h>
49 
50 #include "ibdiag_common.h"
51 
52 #undef DEBUG
53 #define	DEBUG	if (verbose>1) IBWARN
54 
55 static int dest_type = IB_DEST_LID;
56 static int verbose;
57 
58 char *argv0 = "ibportstate";
59 
60 /*******************************************/
61 
62 static int
get_node_info(ib_portid_t * dest,uint8_t * data)63 get_node_info(ib_portid_t *dest, uint8_t *data)
64 {
65 	int node_type;
66 
67 	if (!smp_query(data, dest, IB_ATTR_NODE_INFO, 0, 0))
68 		return -1;
69 
70 	node_type = mad_get_field(data, 0, IB_NODE_TYPE_F);
71 	if (node_type == IB_NODE_SWITCH)	/* Switch NodeType ? */
72 		return 0;
73 	else
74 		return 1;
75 }
76 
77 static int
get_port_info(ib_portid_t * dest,uint8_t * data,int portnum,int port_op)78 get_port_info(ib_portid_t *dest, uint8_t *data, int portnum, int port_op)
79 {
80 	char buf[2048];
81 	char val[64];
82 
83 	if (!smp_query(data, dest, IB_ATTR_PORT_INFO, portnum, 0))
84 		return -1;
85 
86 	if (port_op != 4) {
87 		mad_dump_portstates(buf, sizeof buf, data, sizeof data);
88 		mad_decode_field(data, IB_PORT_LINK_WIDTH_SUPPORTED_F, val);
89 		mad_dump_field(IB_PORT_LINK_WIDTH_SUPPORTED_F, buf + strlen(buf), sizeof buf - strlen(buf), val);
90 		sprintf(buf+strlen(buf), "%s", "\n");
91 		mad_decode_field(data, IB_PORT_LINK_WIDTH_ENABLED_F, val);
92 		mad_dump_field(IB_PORT_LINK_WIDTH_ENABLED_F, buf + strlen(buf), sizeof buf - strlen(buf), val);
93 		sprintf(buf+strlen(buf), "%s", "\n");
94 		mad_decode_field(data, IB_PORT_LINK_WIDTH_ACTIVE_F, val);
95 		mad_dump_field(IB_PORT_LINK_WIDTH_ACTIVE_F, buf + strlen(buf), sizeof buf - strlen(buf), val);
96 		sprintf(buf+strlen(buf), "%s", "\n");
97 		mad_decode_field(data, IB_PORT_LINK_SPEED_SUPPORTED_F, val);
98 		mad_dump_field(IB_PORT_LINK_SPEED_SUPPORTED_F, buf + strlen(buf), sizeof buf - strlen(buf), val);
99 		sprintf(buf+strlen(buf), "%s", "\n");
100 		mad_decode_field(data, IB_PORT_LINK_SPEED_ENABLED_F, val);
101 		mad_dump_field(IB_PORT_LINK_SPEED_ENABLED_F, buf + strlen(buf), sizeof buf - strlen(buf), val);
102 		sprintf(buf+strlen(buf), "%s", "\n");
103 		mad_decode_field(data, IB_PORT_LINK_SPEED_ACTIVE_F, val);
104 		mad_dump_field(IB_PORT_LINK_SPEED_ACTIVE_F, buf + strlen(buf), sizeof buf - strlen(buf), val);
105 		sprintf(buf+strlen(buf), "%s", "\n");
106 	} else {
107 		mad_decode_field(data, IB_PORT_LINK_SPEED_ENABLED_F, val);
108 		mad_dump_field(IB_PORT_LINK_SPEED_ENABLED_F, buf, sizeof buf, val);
109 		sprintf(buf+strlen(buf), "%s", "\n");
110 	}
111 
112 	printf("# Port info: %s port %d\n%s", portid2str(dest), portnum, buf);
113 	return 0;
114 }
115 
116 static int
set_port_info(ib_portid_t * dest,uint8_t * data,int portnum,int port_op)117 set_port_info(ib_portid_t *dest, uint8_t *data, int portnum, int port_op)
118 {
119 	char buf[2048];
120 	char val[64];
121 
122 	if (!smp_set(data, dest, IB_ATTR_PORT_INFO, portnum, 0))
123 		return -1;
124 
125 	if (port_op != 4)
126 		mad_dump_portstates(buf, sizeof buf, data, sizeof data);
127 	else {
128 		mad_decode_field(data, IB_PORT_LINK_SPEED_ENABLED_F, val);
129 		mad_dump_field(IB_PORT_LINK_SPEED_ENABLED_F, buf, sizeof buf, val);
130 		sprintf(buf+strlen(buf), "%s", "\n");
131 	}
132 
133 	printf("\nAfter PortInfo set:\n");
134 	printf("# Port info: %s port %d\n%s", portid2str(dest), portnum, buf);
135 	return 0;
136 }
137 
138 static int
get_link_width(int lwe,int lws)139 get_link_width(int lwe, int lws)
140 {
141 	if (lwe == 255)
142 		return lws;
143 	else
144 		return lwe;
145 }
146 
147 static int
get_link_speed(int lse,int lss)148 get_link_speed(int lse, int lss)
149 {
150 	if (lse == 15)
151 		return lss;
152 	else
153 		return lse;
154 }
155 
156 static void
validate_width(int width,int peerwidth,int lwa)157 validate_width(int width, int peerwidth, int lwa)
158 {
159 	if ((width & 0x8) && (peerwidth & 0x8)) {
160 		if (lwa != 8)
161 			IBWARN("Peer ports operating at active width %d rather than 8 (12x)", lwa);
162 	} else {
163 		if ((width & 0x4) && (peerwidth & 0x4)) {
164 			if (lwa != 4)
165 				IBWARN("Peer ports operating at active width %d rather than 4 (8x)", lwa);
166 		} else {
167 			if ((width & 0x2) && (peerwidth & 0x2)) {
168 				if (lwa != 2)
169 					IBWARN("Peer ports operating at active width %d rather than 2 (4x)", lwa);
170 			} else {
171 				if ((width & 0x1) && (peerwidth & 0x1)) {
172 					if (lwa != 1)
173 						IBWARN("Peer ports operating at active width %d rather than 1 (1x)", lwa);
174 				}
175 			}
176 		}
177 	}
178 }
179 
180 static void
validate_speed(int speed,int peerspeed,int lsa)181 validate_speed(int speed, int peerspeed, int lsa)
182 {
183 	if ((speed & 0x4) && (peerspeed & 0x4)) {
184 		if (lsa != 4)
185 			IBWARN("Peer ports operating at active speed %d rather than  4 (10.0 Gbps)", lsa);
186 	} else {
187 		if ((speed & 0x2) && (peerspeed & 0x2)) {
188 			if (lsa != 2)
189 				IBWARN("Peer ports operating at active speed %d rather than 2 (5.0 Gbps)", lsa);
190 		} else {
191 			if ((speed & 0x1) && (peerspeed & 0x1)) {
192 				if (lsa != 1)
193 					IBWARN("Peer ports operating at active speed %d rather than 1 (2.5 Gbps)", lsa);
194 			}
195 		}
196 	}
197 }
198 
199 void
usage(void)200 usage(void)
201 {
202 	char *basename;
203 
204 	if (!(basename = strrchr(argv0, '/')))
205 		basename = argv0;
206 	else
207 		basename++;
208 
209 	fprintf(stderr, "Usage: %s [-d(ebug) -e(rr_show) -v(erbose) -D(irect) -G(uid) -s smlid -V(ersion) -C ca_name -P ca_port "
210 			"-t(imeout) timeout_ms] <dest dr_path|lid|guid> <portnum> [<op>]\n",
211 			basename);
212 	fprintf(stderr, "\tsupported ops: enable, disable, reset, speed, query\n");
213 	fprintf(stderr, "\n\texamples:\n");
214 	fprintf(stderr, "\t\t%s 3 1 disable\t\t\t# by lid\n", basename);
215 	fprintf(stderr, "\t\t%s -G 0x2C9000100D051 1 enable\t# by guid\n", basename);
216 	fprintf(stderr, "\t\t%s -D 0 1\t\t\t# (query) by direct route\n", basename);
217 	fprintf(stderr, "\t\t%s 3 1 reset\t\t\t# by lid\n", basename);
218 	fprintf(stderr, "\t\t%s 3 1 speed 1\t\t\t# by lid\n", basename);
219 	exit(-1);
220 }
221 
222 int
main(int argc,char ** argv)223 main(int argc, char **argv)
224 {
225 	int mgmt_classes[3] = {IB_SMI_CLASS, IB_SMI_DIRECT_CLASS, IB_SA_CLASS};
226 	ib_portid_t portid = {0};
227 	ib_portid_t *sm_id = 0, sm_portid = {0};
228 	extern int ibdebug;
229 	int err;
230 	int timeout = 0, udebug = 0;
231 	char *ca = 0;
232 	int ca_port = 0;
233 	int port_op = 0;	/* default to query */
234 	int speed = 15;
235 	int is_switch = 1;
236 	int state, physstate, lwe, lws, lwa, lse, lss, lsa;
237 	int peerlocalportnum, peerlwe, peerlws, peerlwa, peerlse, peerlss, peerlsa;
238 	int width, peerwidth, peerspeed;
239 	uint8_t data[IB_SMP_DATA_SIZE];
240 	ib_portid_t peerportid = {0};
241 	int portnum = 0;
242 	ib_portid_t selfportid = {0};
243 	int selfport = 0;
244 
245 	static char const str_opts[] = "C:P:t:s:devDGVhu";
246 	static const struct option long_opts[] = {
247 		{ "C", 1, 0, 'C'},
248 		{ "P", 1, 0, 'P'},
249 		{ "debug", 0, 0, 'd'},
250 		{ "err_show", 0, 0, 'e'},
251 		{ "verbose", 0, 0, 'v'},
252 		{ "Direct", 0, 0, 'D'},
253 		{ "Guid", 0, 0, 'G'},
254 		{ "timeout", 1, 0, 't'},
255 		{ "s", 1, 0, 's'},
256 		{ "Version", 0, 0, 'V'},
257 		{ "help", 0, 0, 'h'},
258 		{ "usage", 0, 0, 'u'},
259 		{ }
260 	};
261 
262 	argv0 = argv[0];
263 
264 	while (1) {
265 		int ch = getopt_long(argc, argv, str_opts, long_opts, NULL);
266 		if ( ch == -1 )
267 			break;
268 		switch(ch) {
269 		case 'd':
270 			ibdebug++;
271 			madrpc_show_errors(1);
272 			umad_debug(udebug);
273 			udebug++;
274 			break;
275 		case 'e':
276 			madrpc_show_errors(1);
277 			break;
278 		case 'D':
279 			dest_type = IB_DEST_DRPATH;
280 			break;
281 		case 'G':
282 			dest_type = IB_DEST_GUID;
283 			break;
284 		case 'C':
285 			ca = optarg;
286 			break;
287 		case 'P':
288 			ca_port = strtoul(optarg, 0, 0);
289 			break;
290 		case 's':
291 			if (ib_resolve_portid_str(&sm_portid, optarg, IB_DEST_LID, 0) < 0)
292 				IBERROR("can't resolve SM destination port %s", optarg);
293 			sm_id = &sm_portid;
294 			break;
295 		case 't':
296 			timeout = strtoul(optarg, 0, 0);
297 			madrpc_set_timeout(timeout);
298 			break;
299 		case 'v':
300 			verbose++;
301 			break;
302 		case 'V':
303 			fprintf(stderr, "%s %s\n", argv0, get_build_version() );
304 			exit(-1);
305 		default:
306 			usage();
307 			break;
308 		}
309 	}
310 	argc -= optind;
311 	argv += optind;
312 
313 	if (argc < 2)
314 		usage();
315 
316 	madrpc_init(ca, ca_port, mgmt_classes, 3);
317 
318 	if (ib_resolve_portid_str(&portid, argv[0], dest_type, sm_id) < 0)
319 		IBERROR("can't resolve destination port %s", argv[0]);
320 
321 	/* First, make sure it is a switch port if it is a "set" */
322 	if (argc >= 3) {
323 		if (!strcmp(argv[2], "enable"))
324 			port_op = 1;
325 		else if (!strcmp(argv[2], "disable"))
326 			port_op = 2;
327 		else if (!strcmp(argv[2], "reset"))
328 			port_op = 3;
329 		else if (!strcmp(argv[2], "speed")) {
330 			if (argc < 4)
331 				IBERROR("speed requires an additional parameter");
332 			port_op = 4;
333 			/* Parse speed value */
334 			speed = strtoul(argv[3], 0, 0);
335 			if (speed > 15)
336 				IBERROR("invalid speed value %d", speed);
337 		}
338 	}
339 
340 	err = get_node_info(&portid, data);
341 	if (err < 0)
342 		IBERROR("smp query nodeinfo failed");
343 	if (err) {		/* not switch */
344 		if (port_op == 0)	/* query op */
345 			is_switch = 0;
346 		else if (port_op != 4)	/* other than speed op */
347 			IBERROR("smp query nodeinfo: Node type not switch");
348 	}
349 
350 	if (argc-1 > 0)
351 		portnum = strtol(argv[1], 0, 0);
352 
353 	if (port_op)
354 		printf("Initial PortInfo:\n");
355 	else
356 		printf("PortInfo:\n");
357 	err = get_port_info(&portid, data, portnum, port_op);
358 	if (err < 0)
359 		IBERROR("smp query portinfo failed");
360 
361 	/* Only if one of the "set" options is chosen */
362 	if (port_op) {
363 		if (port_op == 1)		/* Enable port */
364 			mad_set_field(data, 0, IB_PORT_PHYS_STATE_F, 2);	/* Polling */
365 		else if ((port_op == 2) || (port_op == 3)) { /* Disable port */
366 			mad_set_field(data, 0, IB_PORT_STATE_F, 1);             /* Down */
367 			mad_set_field(data, 0, IB_PORT_PHYS_STATE_F, 3);        /* Disabled */
368 		} else if (port_op == 4) {	/* Set speed */
369 			mad_set_field(data, 0, IB_PORT_LINK_SPEED_ENABLED_F, speed);
370 			mad_set_field(data, 0, IB_PORT_STATE_F, 0);
371 			mad_set_field(data, 0, IB_PORT_PHYS_STATE_F, 0);
372 		}
373 
374 		err = set_port_info(&portid, data, portnum, port_op);
375 		if (err < 0)
376 			IBERROR("smp set portinfo failed");
377 
378 		if (port_op == 3) {	/* Reset port - so also enable */
379 			mad_set_field(data, 0, IB_PORT_PHYS_STATE_F, 2);	/* Polling */
380 			err = set_port_info(&portid, data, portnum, port_op);
381 			if (err < 0)
382 				IBERROR("smp set portinfo failed");
383 		}
384 	} else {	/* query op */
385 		/* only compare peer port if switch port */
386 		if (is_switch) {
387 			/* First, exclude SP0 */
388 			if (portnum) {
389 				/* Now, make sure PortState is Active */
390 				/* Or is PortPhysicalState LinkUp sufficient ? */
391 				mad_decode_field(data, IB_PORT_STATE_F, &state);
392 				mad_decode_field(data, IB_PORT_PHYS_STATE_F, &physstate);
393 				if (state == 4) {	/* Active */
394 					mad_decode_field(data, IB_PORT_LINK_WIDTH_ENABLED_F, &lwe );
395 					mad_decode_field(data, IB_PORT_LINK_WIDTH_SUPPORTED_F, &lws);
396 					mad_decode_field(data, IB_PORT_LINK_WIDTH_ACTIVE_F, &lwa);
397 					mad_decode_field(data, IB_PORT_LINK_SPEED_SUPPORTED_F, &lss);
398 					mad_decode_field(data, IB_PORT_LINK_SPEED_ACTIVE_F, &lsa);
399 					mad_decode_field(data, IB_PORT_LINK_SPEED_ENABLED_F, &lse);
400 
401 					/* Setup portid for peer port */
402 					memcpy(&peerportid, &portid, sizeof(peerportid));
403 					peerportid.drpath.cnt = 1;
404 					peerportid.drpath.p[1] = portnum;
405 
406 					/* Set DrSLID to local lid */
407 					if (ib_resolve_self(&selfportid, &selfport, 0) < 0)
408 						IBERROR("could not resolve self");
409 					peerportid.drpath.drslid = selfportid.lid;
410 					peerportid.drpath.drdlid = 0xffff;
411 
412 					/* Get peer port NodeInfo to obtain peer port number */
413 					err = get_node_info(&peerportid, data);
414 					if (err < 0)
415 						IBERROR("smp query nodeinfo failed");
416 
417 					mad_decode_field(data, IB_NODE_LOCAL_PORT_F, &peerlocalportnum);
418 
419 					printf("Peer PortInfo:\n");
420 					/* Get peer port characteristics */
421 					err = get_port_info(&peerportid, data, peerlocalportnum, port_op);
422 					if (err < 0)
423 						IBERROR("smp query peer portinfofailed");
424 
425 					mad_decode_field(data, IB_PORT_LINK_WIDTH_ENABLED_F, &peerlwe );
426 					mad_decode_field(data, IB_PORT_LINK_WIDTH_SUPPORTED_F, &peerlws);
427 					mad_decode_field(data, IB_PORT_LINK_WIDTH_ACTIVE_F, &peerlwa);
428 					mad_decode_field(data, IB_PORT_LINK_SPEED_SUPPORTED_F, &peerlss);
429 					mad_decode_field(data, IB_PORT_LINK_SPEED_ACTIVE_F, &peerlsa);
430 					mad_decode_field(data, IB_PORT_LINK_SPEED_ENABLED_F, &peerlse);
431 
432 					/* Now validate peer port characteristics */
433 					/* Examine Link Width */
434 					width = get_link_width(lwe, lws);
435 					peerwidth = get_link_width(peerlwe, peerlws);
436 					validate_width(width, peerwidth, lwa);
437 
438 					/* Examine Link Speed */
439 					speed = get_link_speed(lse, lss);
440 					peerspeed = get_link_speed(peerlse, peerlss);
441 					validate_speed(speed, peerspeed, lsa);
442 				}
443 			}
444 		}
445 	}
446 
447 	exit(0);
448 }
449