1 /*
2 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 *
35 */
36
37 /*
38 * Abstract:
39 * Implementation of osm_sminfo_rcv_t.
40 * This object represents the SMInfo Receiver object.
41 * This object is part of the opensm family of objects.
42 */
43
44 #if HAVE_CONFIG_H
45 # include <config.h>
46 #endif /* HAVE_CONFIG_H */
47
48 #include <stdlib.h>
49 #include <string.h>
50 #include <iba/ib_types.h>
51 #include <complib/cl_qmap.h>
52 #include <complib/cl_passivelock.h>
53 #include <complib/cl_debug.h>
54 #include <opensm/osm_file_ids.h>
55 #define FILE_ID OSM_FILE_SMINFO_RCV_C
56 #include <opensm/osm_madw.h>
57 #include <opensm/osm_log.h>
58 #include <opensm/osm_node.h>
59 #include <opensm/osm_helper.h>
60 #include <opensm/osm_subnet.h>
61 #include <opensm/osm_sm.h>
62 #include <opensm/osm_opensm.h>
63
64 /**********************************************************************
65 Return TRUE if the remote sm given (by ib_sm_info_t) is higher,
66 return FALSE otherwise.
67 By higher - we mean: SM with higher priority or with same priority
68 and lower GUID.
69 **********************************************************************/
smi_rcv_remote_sm_is_higher(IN osm_sm_t * sm,IN const ib_sm_info_t * p_rem_smi)70 static boolean_t smi_rcv_remote_sm_is_higher(IN osm_sm_t * sm,
71 IN const ib_sm_info_t * p_rem_smi)
72 {
73 return osm_sm_is_greater_than(ib_sminfo_get_priority(p_rem_smi),
74 p_rem_smi->guid,
75 sm->p_subn->opt.sm_priority,
76 sm->p_subn->sm_port_guid);
77
78 }
79
smi_rcv_process_get_request(IN osm_sm_t * sm,IN const osm_madw_t * p_madw,IN boolean_t fill_sm_key)80 static void smi_rcv_process_get_request(IN osm_sm_t * sm,
81 IN const osm_madw_t * p_madw,
82 IN boolean_t fill_sm_key)
83 {
84 uint8_t payload[IB_SMP_DATA_SIZE];
85 ib_sm_info_t *p_smi = (ib_sm_info_t *) payload;
86 ib_api_status_t status;
87
88 OSM_LOG_ENTER(sm->p_log);
89
90 CL_ASSERT(p_madw);
91
92 /* No real need to grab the lock for this function. */
93 memset(payload, 0, sizeof(payload));
94
95 CL_ASSERT(osm_madw_get_smp_ptr(p_madw)->method == IB_MAD_METHOD_GET);
96
97 p_smi->guid = sm->p_subn->sm_port_guid;
98 p_smi->act_count = cl_hton32(sm->p_subn->p_osm->stats.qp0_mads_sent);
99 p_smi->pri_state = (uint8_t) (sm->p_subn->sm_state |
100 sm->p_subn->opt.sm_priority << 4);
101 p_smi->sm_key = fill_sm_key ? sm->p_subn->opt.sm_key : 0;
102
103 status = osm_resp_send(sm, p_madw, 0, payload);
104 if (status != IB_SUCCESS) {
105 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F02: "
106 "Error sending SMInfo response (%s)\n",
107 ib_get_err_str(status));
108 goto Exit;
109 }
110
111 Exit:
112 OSM_LOG_EXIT(sm->p_log);
113 }
114
115 /**********************************************************************
116 * Check if the p_smp received is legal.
117 * Current checks:
118 * MADHeader:AttributeModifier of ACKNOWLEDGE that was not sent by a
119 * Standby SM.
120 * MADHeader:AttributeModifiers of HANDOVER/DISABLE/STANDBY/DISCOVER
121 * that was not sent by a Master SM.
122 * FUTURE - TO DO:
123 * Check that the SM_Key matches.
124 **********************************************************************/
smi_rcv_check_set_req_legality(IN const ib_smp_t * p_smp)125 static ib_api_status_t smi_rcv_check_set_req_legality(IN const ib_smp_t * p_smp)
126 {
127 ib_sm_info_t *p_smi;
128
129 p_smi = ib_smp_get_payload_ptr(p_smp);
130
131 if (p_smp->attr_mod == IB_SMINFO_ATTR_MOD_ACKNOWLEDGE) {
132 if (ib_sminfo_get_state(p_smi) == IB_SMINFO_STATE_STANDBY)
133 return IB_SUCCESS;
134 } else if (p_smp->attr_mod == IB_SMINFO_ATTR_MOD_HANDOVER ||
135 p_smp->attr_mod == IB_SMINFO_ATTR_MOD_DISABLE ||
136 p_smp->attr_mod == IB_SMINFO_ATTR_MOD_STANDBY ||
137 p_smp->attr_mod == IB_SMINFO_ATTR_MOD_DISCOVER) {
138 if (ib_sminfo_get_state(p_smi) == IB_SMINFO_STATE_MASTER)
139 return IB_SUCCESS;
140 }
141
142 return IB_INVALID_PARAMETER;
143 }
144
smi_rcv_process_set_request(IN osm_sm_t * sm,IN const osm_madw_t * p_madw)145 static void smi_rcv_process_set_request(IN osm_sm_t * sm,
146 IN const osm_madw_t * p_madw)
147 {
148 uint8_t payload[IB_SMP_DATA_SIZE];
149 ib_smp_t *p_smp;
150 ib_sm_info_t *p_smi = (ib_sm_info_t *) payload;
151 ib_sm_info_t *sm_smi;
152 ib_api_status_t status;
153 osm_sm_signal_t sm_signal;
154
155 OSM_LOG_ENTER(sm->p_log);
156
157 CL_ASSERT(p_madw);
158
159 memset(payload, 0, sizeof(payload));
160
161 p_smp = osm_madw_get_smp_ptr(p_madw);
162 sm_smi = ib_smp_get_payload_ptr(p_smp);
163
164 if (p_smp->method != IB_MAD_METHOD_SET) {
165 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F03: "
166 "Unsupported set method 0x%X\n", p_smp->method);
167 goto Exit;
168 }
169
170 CL_PLOCK_ACQUIRE(sm->p_lock);
171
172 p_smi->guid = sm->p_subn->sm_port_guid;
173 p_smi->act_count = cl_hton32(sm->p_subn->p_osm->stats.qp0_mads_sent);
174 p_smi->pri_state = (uint8_t) (sm->p_subn->sm_state |
175 sm->p_subn->opt.sm_priority << 4);
176 p_smi->sm_key = sm->p_subn->opt.sm_key;
177
178 /* Check the legality of the packet */
179 status = smi_rcv_check_set_req_legality(p_smp);
180 if (status != IB_SUCCESS) {
181 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F04: "
182 "Check legality failed. AttributeModifier:0x%X RemoteState:%s\n",
183 p_smp->attr_mod,
184 osm_get_sm_mgr_state_str(ib_sminfo_get_state(sm_smi)));
185 status = osm_resp_send(sm, p_madw, 7, payload);
186 if (status != IB_SUCCESS)
187 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F05: "
188 "Error sending SMInfo response (%s)\n",
189 ib_get_err_str(status));
190 CL_PLOCK_RELEASE(sm->p_lock);
191 goto Exit;
192 }
193
194 /* translate from IB_SMINFO_ATTR to OSM_SM_SIGNAL */
195 switch (p_smp->attr_mod) {
196 case IB_SMINFO_ATTR_MOD_HANDOVER:
197 sm_signal = OSM_SM_SIGNAL_HANDOVER;
198 break;
199 case IB_SMINFO_ATTR_MOD_ACKNOWLEDGE:
200 sm_signal = OSM_SM_SIGNAL_ACKNOWLEDGE;
201 break;
202 case IB_SMINFO_ATTR_MOD_DISABLE:
203 sm_signal = OSM_SM_SIGNAL_DISABLE;
204 break;
205 case IB_SMINFO_ATTR_MOD_STANDBY:
206 sm_signal = OSM_SM_SIGNAL_STANDBY;
207 break;
208 case IB_SMINFO_ATTR_MOD_DISCOVER:
209 sm_signal = OSM_SM_SIGNAL_DISCOVER;
210 break;
211 default:
212 /*
213 This code shouldn't be reached - checked in the
214 check legality
215 */
216 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F06: "
217 "THIS CODE SHOULD NOT BE REACHED!!\n");
218 CL_PLOCK_RELEASE(sm->p_lock);
219 goto Exit;
220 }
221
222 CL_PLOCK_RELEASE(sm->p_lock);
223
224 /* check legality of the needed transition in the SM state machine */
225 status = osm_sm_state_mgr_check_legality(sm, sm_signal);
226 if (status != IB_SUCCESS) {
227 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F07: "
228 "Failed check of legality of needed SM transition. "
229 "AttributeModifier:0x%X RemoteState:%s\n",
230 p_smp->attr_mod,
231 osm_get_sm_mgr_state_str(ib_sminfo_get_state(sm_smi)));
232 status = osm_resp_send(sm, p_madw, 7, payload);
233 if (status != IB_SUCCESS)
234 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F08: "
235 "Error sending SMInfo response (%s)\n",
236 ib_get_err_str(status));
237 goto Exit;
238 }
239
240 /* the SubnSet(SMInfo) command is ok. Send a response. */
241 status = osm_resp_send(sm, p_madw, 0, payload);
242 if (status != IB_SUCCESS)
243 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F09: "
244 "Error sending SMInfo response (%s)\n",
245 ib_get_err_str(status));
246
247 /* it is a legal packet - act according to it */
248
249 /* if the AttributeModifier is STANDBY - need to save on the sm in */
250 /* the master_sm_guid variable - the guid of the current master. */
251 if (p_smp->attr_mod == IB_SMINFO_ATTR_MOD_STANDBY) {
252 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
253 "Received a STANDBY signal. Updating "
254 "sm_state_mgr master_guid: 0x%016" PRIx64 "\n",
255 cl_ntoh64(sm_smi->guid));
256 CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
257 sm->master_sm_guid = sm_smi->guid;
258 CL_PLOCK_RELEASE(sm->p_lock);
259 }
260
261 status = osm_sm_state_mgr_process(sm, sm_signal);
262
263 if (status != IB_SUCCESS)
264 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F10: "
265 "Error in SM state transition (%s)\n",
266 ib_get_err_str(status));
267
268 Exit:
269 OSM_LOG_EXIT(sm->p_log);
270 }
271
smi_rcv_process_get_sm(IN osm_sm_t * sm,IN const osm_remote_sm_t * p_sm,boolean_t light_sweep)272 static void smi_rcv_process_get_sm(IN osm_sm_t * sm,
273 IN const osm_remote_sm_t * p_sm,
274 boolean_t light_sweep)
275 {
276 const ib_sm_info_t *p_smi;
277
278 OSM_LOG_ENTER(sm->p_log);
279
280 p_smi = &p_sm->smi;
281
282 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
283 "Detected SM 0x%016" PRIx64 " in state %u (%s)\n",
284 cl_ntoh64(p_smi->guid), ib_sminfo_get_state(p_smi),
285 osm_get_sm_mgr_state_str(ib_sminfo_get_state(p_smi)));
286
287 /* Check the state of this SM vs. our own. */
288 switch (sm->p_subn->sm_state) {
289 case IB_SMINFO_STATE_NOTACTIVE:
290 break;
291
292 case IB_SMINFO_STATE_DISCOVERING:
293 switch (ib_sminfo_get_state(p_smi)) {
294 case IB_SMINFO_STATE_NOTACTIVE:
295 break;
296 case IB_SMINFO_STATE_MASTER:
297 sm->master_sm_found = 1;
298 /* save on the sm the guid of the current master. */
299 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
300 "Found master SM. Updating sm_state_mgr master_guid: 0x%016"
301 PRIx64 "\n", cl_ntoh64(p_smi->guid));
302 sm->master_sm_guid = p_smi->guid;
303 break;
304 case IB_SMINFO_STATE_DISCOVERING:
305 case IB_SMINFO_STATE_STANDBY:
306 if (smi_rcv_remote_sm_is_higher(sm, p_smi)) {
307 /* the remote is a higher sm - need to stop sweeping */
308 sm->master_sm_found = 1;
309 /* save on the sm the guid of the higher SM we found - */
310 /* we will poll it - as long as it lives - we should be in Standby. */
311 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
312 "Found higher SM. Updating sm_state_mgr master_guid:"
313 " 0x%016" PRIx64 "\n",
314 cl_ntoh64(p_smi->guid));
315 sm->master_sm_guid = p_smi->guid;
316 }
317 break;
318 default:
319 break;
320 }
321 break;
322
323 case IB_SMINFO_STATE_STANDBY:
324 /* if the guid of the SM that sent us this response is equal to the */
325 /* p_sm_mgr->master_guid - then this is a signal that the polling */
326 switch (ib_sminfo_get_state(p_smi)) {
327 case IB_SMINFO_STATE_MASTER:
328 /* This means the master is alive */
329 /* Signal that to the SM state mgr */
330 osm_sm_state_mgr_signal_master_is_alive(sm);
331
332 if (!smi_rcv_remote_sm_is_higher(sm, p_smi))
333 osm_send_trap144(sm,
334 TRAP_144_MASK_SM_PRIORITY_CHANGE);
335 break;
336 case IB_SMINFO_STATE_STANDBY:
337 /* This should be the response from the sm we are polling. */
338 /* If it is - then signal master is alive */
339 if (sm->master_sm_guid == p_sm->smi.guid) {
340 /* Make sure that it is an SM with higher priority than us.
341 If we started polling it when it was master, and it moved
342 to standby - then it might be with a lower priority than
343 us - and then we don't want to continue polling it. */
344 if (smi_rcv_remote_sm_is_higher(sm, p_smi))
345 osm_sm_state_mgr_signal_master_is_alive
346 (sm);
347 }
348 break;
349 default:
350 /* any other state - do nothing */
351 break;
352 }
353 break;
354
355 case IB_SMINFO_STATE_MASTER:
356 switch (ib_sminfo_get_state(p_smi)) {
357 case IB_SMINFO_STATE_MASTER:
358 /* If this is a response due to our polling, this means that we are
359 * waiting for a handover from this SM, and it is still alive -
360 * signal that. If we detected the remote SM with higher priority
361 * we should init a heavy sweep in order to go STANDBY. If we
362 * detected a remote SM with lower priority, we should resend trap144
363 * as it might not get it and we don't want to wait for a HANDOVER
364 * forever.
365 */
366 if (sm->polling_sm_guid) {
367 if (smi_rcv_remote_sm_is_higher(sm, p_smi))
368 sm->p_subn->force_heavy_sweep = TRUE;
369 else {
370 /* Update master_sm_guid to the GUID of the newly
371 * found MASTER SM and send trap 144 to it.
372 */
373 sm->master_sm_guid = sm->polling_sm_guid;
374 osm_send_trap144(sm, TRAP_144_MASK_SM_PRIORITY_CHANGE);
375 }
376 osm_sm_state_mgr_signal_master_is_alive(sm);
377 } else {
378 /* This is a response we got while sweeping the subnet.
379 *
380 * If this is during a heavy sweep, we will handle a case of
381 * handover needed later on, when the sweep is done and all
382 * SMs are recognized.
383 *
384 * If this is during a light sweep, initiate a heavy sweep
385 * to initiate handover scenarios.
386 *
387 * Note that it does not matter if the remote SM is lower
388 * or higher priority. If it is lower priority, we must
389 * wait for it HANDOVER. If it is higher priority, we need
390 * to HANDOVER to it. Both cases are handled after doing
391 * a heavy sweep.
392 */
393 if (light_sweep)
394 sm->p_subn->force_heavy_sweep = TRUE;
395 }
396 break;
397 case IB_SMINFO_STATE_STANDBY:
398 if (light_sweep &&
399 smi_rcv_remote_sm_is_higher(sm, p_smi))
400 sm->p_subn->force_heavy_sweep = TRUE;
401 break;
402 default:
403 /* any other state - do nothing */
404 break;
405 }
406 break;
407
408 default:
409 break;
410 }
411
412 OSM_LOG_EXIT(sm->p_log);
413 }
414
smi_rcv_process_get_response(IN osm_sm_t * sm,IN const osm_madw_t * p_madw)415 static void smi_rcv_process_get_response(IN osm_sm_t * sm,
416 IN const osm_madw_t * p_madw)
417 {
418 const ib_smp_t *p_smp;
419 const ib_sm_info_t *p_smi;
420 cl_qmap_t *p_sm_tbl;
421 osm_port_t *p_port;
422 ib_net64_t port_guid;
423 osm_remote_sm_t *p_sm;
424 char buf[256];
425
426 OSM_LOG_ENTER(sm->p_log);
427
428 CL_ASSERT(p_madw);
429
430 p_smp = osm_madw_get_smp_ptr(p_madw);
431
432 if (p_smp->method != IB_MAD_METHOD_GET_RESP) {
433 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F11: "
434 "Unsupported response method 0x%X\n", p_smp->method);
435 goto Exit;
436 }
437
438 p_smi = ib_smp_get_payload_ptr(p_smp);
439 p_sm_tbl = &sm->p_subn->sm_guid_tbl;
440 port_guid = p_smi->guid;
441
442 osm_dump_sm_info_v2(sm->p_log, p_smi, FILE_ID, OSM_LOG_DEBUG);
443
444 /* Check that the sm_key of the found SM is the same as ours,
445 or is zero. If not - OpenSM should ignore this SM */
446 if (sm->p_subn->opt.sm_key != 0 && p_smi->sm_key != sm->p_subn->opt.sm_key) {
447 if (p_smp->mgmt_class == IB_MCLASS_SUBN_DIR)
448 sprint_uint8_arr(buf, sizeof(buf),
449 p_smp->initial_path, p_smp->hop_count + 1);
450 else
451 sprintf(buf, "LID %u",
452 cl_ntoh16(p_madw->mad_addr.addr_type.smi.source_lid));
453 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F18: "
454 "Got SM (%s) with sm_key 0x%016" PRIx64 " that doesn't match our "
455 "local sm_key. Ignoring SMInfo\n", buf, cl_ntoh64(p_smi->sm_key));
456 osm_log_v2(sm->p_log, OSM_LOG_SYS, FILE_ID,
457 "Found remote SM (%s) with non-matching sm_key\n", buf);
458 goto Exit;
459 }
460
461 /* Determine if we already have another SM object for this SM. */
462 CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
463
464 p_port = osm_get_port_by_guid(sm->p_subn, port_guid);
465 if (!p_port) {
466 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F12: "
467 "No port object for this SM\n");
468 goto _unlock_and_exit;
469 }
470
471 if (osm_port_get_guid(p_port) != p_smi->guid) {
472 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F13: "
473 "Bogus SM port GUID, Expected 0x%016" PRIx64
474 ", Received 0x%016" PRIx64 "\n",
475 cl_ntoh64(osm_port_get_guid(p_port)),
476 cl_ntoh64(p_smi->guid));
477 goto _unlock_and_exit;
478 }
479
480 if (port_guid == sm->p_subn->sm_port_guid) {
481 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
482 "Self query response received - SM port 0x%016" PRIx64
483 "\n", cl_ntoh64(port_guid));
484 goto _unlock_and_exit;
485 }
486
487 p_sm = (osm_remote_sm_t *) cl_qmap_get(p_sm_tbl, port_guid);
488 if (p_sm == (osm_remote_sm_t *) cl_qmap_end(p_sm_tbl)) {
489 p_sm = malloc(sizeof(*p_sm));
490 if (p_sm == NULL) {
491 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F14: "
492 "Unable to allocate SM object\n");
493 goto _unlock_and_exit;
494 }
495
496 osm_remote_sm_init(p_sm, p_smi);
497
498 cl_qmap_insert(p_sm_tbl, port_guid, &p_sm->map_item);
499 } else
500 /* We already know this SM. Update the SMInfo attribute. */
501 p_sm->smi = *p_smi;
502
503 smi_rcv_process_get_sm(sm, p_sm,
504 osm_madw_get_smi_context_ptr(p_madw)->
505 light_sweep);
506
507 _unlock_and_exit:
508 CL_PLOCK_RELEASE(sm->p_lock);
509
510 Exit:
511 OSM_LOG_EXIT(sm->p_log);
512 }
513
smi_rcv_process_set_response(IN osm_sm_t * sm,IN const osm_madw_t * p_madw)514 static void smi_rcv_process_set_response(IN osm_sm_t * sm,
515 IN const osm_madw_t * p_madw)
516 {
517 const ib_smp_t *p_smp;
518 const ib_sm_info_t *p_smi;
519
520 OSM_LOG_ENTER(sm->p_log);
521
522 CL_ASSERT(p_madw);
523
524 p_smp = osm_madw_get_smp_ptr(p_madw);
525 if (ib_smp_get_status(p_smp)) {
526 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
527 "MAD status 0x%x received\n",
528 cl_ntoh16(ib_smp_get_status(p_smp)));
529 goto Exit;
530 }
531
532 if (p_smp->method != IB_MAD_METHOD_GET_RESP) {
533 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F16: "
534 "Unsupported response method 0x%X\n", p_smp->method);
535 goto Exit;
536 }
537
538 p_smi = ib_smp_get_payload_ptr(p_smp);
539 osm_dump_sm_info_v2(sm->p_log, p_smi, FILE_ID, OSM_LOG_DEBUG);
540
541 /* Check the AttributeModifier */
542 if (p_smp->attr_mod != IB_SMINFO_ATTR_MOD_HANDOVER) {
543 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F17: "
544 "Unsupported attribute modifier 0x%X, "
545 "expected ATTR_MOD_HANDOVER\n",
546 p_smp->attr_mod);
547 goto Exit;
548 }
549
550 /* This is a response on a HANDOVER request - Nothing to do. */
551
552 Exit:
553 OSM_LOG_EXIT(sm->p_log);
554 }
555
osm_sminfo_rcv_process(IN void * context,IN void * data)556 void osm_sminfo_rcv_process(IN void *context, IN void *data)
557 {
558 osm_sm_t *sm = context;
559 osm_madw_t *p_madw = data;
560 ib_smp_t *p_smp;
561 osm_smi_context_t *p_smi_context;
562
563 OSM_LOG_ENTER(sm->p_log);
564
565 CL_ASSERT(p_madw);
566
567 p_smp = osm_madw_get_smp_ptr(p_madw);
568 if (ib_smp_get_status(p_smp)) {
569 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
570 "MAD status 0x%x received\n",
571 cl_ntoh16(ib_smp_get_status(p_smp)));
572 goto Exit;
573 }
574
575 /* Determine if this is a request for our own SMInfo or if
576 this is a response to our request for another SM's SMInfo. */
577 if (ib_smp_is_response(p_smp)) {
578 const ib_sm_info_t *p_smi = ib_smp_get_payload_ptr(p_smp);
579
580 /* Get the context - to see if this is a response to a Get or Set method */
581 p_smi_context = osm_madw_get_smi_context_ptr(p_madw);
582
583 /* Verify that response is from expected port and there is
584 no port moving issue. */
585 if (p_smi_context->port_guid != p_smi->guid) {
586 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F19: "
587 "Unexpected SM port GUID in response"
588 ", Expected 0x%016" PRIx64
589 ", Received 0x%016" PRIx64 "\n",
590 cl_ntoh64(p_smi_context->port_guid),
591 cl_ntoh64(p_smi->guid));
592 goto Exit;
593 }
594
595 if (p_smi_context->set_method == FALSE)
596 /* this is a response to a Get method */
597 smi_rcv_process_get_response(sm, p_madw);
598 else
599 /* this is a response to a Set method */
600 smi_rcv_process_set_response(sm, p_madw);
601 } else {
602 osm_port_t * p_port;
603 ib_net64_t my_mkey;
604 uint8_t mpb;
605 char buf[256];
606
607 if(!(p_port = osm_get_port_by_guid(sm->p_subn,
608 sm->p_subn->sm_port_guid)))
609 goto Exit;
610
611 if (!p_port->p_physp)
612 goto Exit;
613
614 my_mkey = ib_port_info_get_m_key(&p_port->p_physp->port_info);
615 mpb = my_mkey ? ib_port_info_get_mpb(&p_port->p_physp->port_info) : 0;
616
617 if (p_smp->method == IB_MAD_METHOD_GET) {
618 /* M-Key Authentication */
619 if (my_mkey && mpb > 1 && my_mkey != p_smp->m_key) {
620 if (p_smp->mgmt_class == IB_MCLASS_SUBN_DIR)
621 sprint_uint8_arr(buf, sizeof(buf),
622 p_smp->return_path, p_smp->hop_count + 1);
623 else
624 sprintf(buf, "LID %u",
625 cl_ntoh16(p_madw->mad_addr.addr_type.smi.source_lid));
626 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F1A: "
627 "SMInfo(GET) sender (%s) authentication failure."
628 "Ignoring SMInfo\n", buf);
629 goto Exit;
630 }
631 /* If protection bits == 1 but MKEY mismatch, return SM-KEY = 0 */
632 if (my_mkey && mpb == 1 && my_mkey != p_smp->m_key)
633 smi_rcv_process_get_request(sm, p_madw, FALSE);
634 else
635 smi_rcv_process_get_request(sm, p_madw, TRUE);
636 } else {
637 /* M-Key Authentication */
638 if (my_mkey && my_mkey != p_smp->m_key) {
639 if (p_smp->mgmt_class == IB_MCLASS_SUBN_DIR)
640 sprint_uint8_arr(buf, sizeof(buf),
641 p_smp->return_path, p_smp->hop_count + 1);
642 else
643 sprintf(buf, "LID %u",
644 cl_ntoh16(p_madw->mad_addr.addr_type.smi.source_lid));
645 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2F1B: "
646 "SMInfo(SET) sender (%s) authentication failure."
647 "Ignoring SMInfo\n", buf);
648 goto Exit;
649 }
650 /* This should be a SubnSet request */
651 smi_rcv_process_set_request(sm, p_madw);
652 }
653 }
654
655 Exit:
656 OSM_LOG_EXIT(sm->p_log);
657 }
658