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1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2006 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5  * Copyright (c) 2009 HNR Consulting. All rights reserved.
6  * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
7  *
8  * This software is available to you under a choice of one of two
9  * licenses.  You may choose to be licensed under the terms of the GNU
10  * General Public License (GPL) Version 2, available from the file
11  * COPYING in the main directory of this source tree, or the
12  * OpenIB.org BSD license below:
13  *
14  *     Redistribution and use in source and binary forms, with or
15  *     without modification, are permitted provided that the following
16  *     conditions are met:
17  *
18  *      - Redistributions of source code must retain the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer.
21  *
22  *      - Redistributions in binary form must reproduce the above
23  *        copyright notice, this list of conditions and the following
24  *        disclaimer in the documentation and/or other materials
25  *        provided with the distribution.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34  * SOFTWARE.
35  *
36  */
37
38 /*
39  * Abstract:
40  *    Implementation of osm_infr_rcv_t.
41  * This object represents the InformInfo Receiver object.
42  * This object is part of the opensm family of objects.
43  */
44
45 #if HAVE_CONFIG_H
46 #  include <config.h>
47 #endif                          /* HAVE_CONFIG_H */
48
49 #include <string.h>
50 #include <iba/ib_types.h>
51 #include <arpa/inet.h>
52 #include <sys/socket.h>
53 #include <complib/cl_qmap.h>
54 #include <complib/cl_passivelock.h>
55 #include <complib/cl_debug.h>
56 #include <complib/cl_qlist.h>
57 #include <opensm/osm_file_ids.h>
58 #define FILE_ID OSM_FILE_SA_INFORMINFO_C
59 #include <vendor/osm_vendor_api.h>
60 #include <opensm/osm_port.h>
61 #include <opensm/osm_node.h>
62 #include <opensm/osm_switch.h>
63 #include <opensm/osm_helper.h>
64 #include <opensm/osm_sa.h>
65 #include <opensm/osm_inform.h>
66 #include <opensm/osm_pkey.h>
67
68 #define SA_IIR_RESP_SIZE SA_ITEM_RESP_SIZE(inform_rec)
69 #define SA_II_RESP_SIZE SA_ITEM_RESP_SIZE(inform)
70
71 typedef struct osm_iir_search_ctxt {
72         const ib_inform_info_record_t *p_rcvd_rec;
73         ib_net64_t comp_mask;
74         cl_qlist_t *p_list;
75         ib_gid_t subscriber_gid;
76         ib_net16_t subscriber_enum;
77         osm_sa_t *sa;
78         osm_physp_t *p_req_physp;
79         ib_net64_t sm_key;
80 } osm_iir_search_ctxt_t;
81
82 /**********************************************************************
83 o13-14.1.1: Except for Set(InformInfo) requests with Inform-
84 Info:LIDRangeBegin=0xFFFF, managers that support event forwarding
85 shall, upon receiving a Set(InformInfo), verify that the requester
86 originating the Set(InformInfo) and a Trap() source identified by Inform-
87 can access each other - can use path record to verify that.
88 **********************************************************************/
89 static boolean_t validate_ports_access_rights(IN osm_sa_t * sa,
90                                               IN osm_infr_t * p_infr_rec)
91 {
92         boolean_t valid = TRUE;
93         osm_physp_t *p_requester_physp;
94         osm_port_t *p_port;
95         ib_net64_t portguid;
96         uint16_t lid_range_begin, lid_range_end, lid;
97
98         OSM_LOG_ENTER(sa->p_log);
99
100         /* get the requester physp from the request address */
101         p_requester_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
102                                                       &p_infr_rec->report_addr);
103
104         if (ib_gid_is_notzero(&p_infr_rec->inform_record.inform_info.gid)) {
105                 /* a gid is defined */
106                 portguid =
107                     p_infr_rec->inform_record.inform_info.gid.unicast.
108                     interface_id;
109
110                 p_port = osm_get_port_by_guid(sa->p_subn, portguid);
111                 if (p_port == NULL) {
112                         OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4301: "
113                                 "Invalid port guid: 0x%016" PRIx64 "\n",
114                                 cl_ntoh64(portguid));
115                         valid = FALSE;
116                         goto Exit;
117                 }
118
119                 /* make sure that the requester and destination port can access
120                    each other according to the current partitioning. */
121                 if (!osm_physp_share_pkey
122                     (sa->p_log, p_port->p_physp, p_requester_physp,
123                      sa->p_subn->opt.allow_both_pkeys)) {
124                         OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
125                                 "port and requester don't share pkey\n");
126                         valid = FALSE;
127                         goto Exit;
128                 }
129         } else {
130                 size_t lids_size;
131
132                 /* gid is zero - check if LID range is defined */
133                 lid_range_begin =
134                     cl_ntoh16(p_infr_rec->inform_record.inform_info.
135                               lid_range_begin);
136                 /* if lid is 0xFFFF - meaning all endports managed by the manager */
137                 if (lid_range_begin == 0xFFFF)
138                         goto Exit;
139
140                 lid_range_end =
141                     cl_ntoh16(p_infr_rec->inform_record.inform_info.
142                               lid_range_end);
143
144                 lids_size = cl_ptr_vector_get_size(&sa->p_subn->port_lid_tbl);
145
146                 /* lid_range_end is set to zero if no range desired. In this
147                    case - just make it equal to the lid_range_begin. */
148                 if (lid_range_end == 0)
149                         lid_range_end = lid_range_begin;
150                 else if (lid_range_end >= lids_size)
151                         lid_range_end = lids_size - 1;
152
153                 if (lid_range_begin >= lids_size) {
154                         /* requested lids are out of range */
155                         OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4302: "
156                                 "Given LIDs (%u-%u) are out of range (%zu)\n",
157                                 lid_range_begin, lid_range_end, lids_size);
158                         valid = FALSE;
159                         goto Exit;
160                 }
161
162                 /* go over all defined lids within the range and make sure that the
163                    requester port can access them according to current partitioning. */
164                 for (lid = lid_range_begin; lid <= lid_range_end; lid++) {
165                         p_port = osm_get_port_by_lid_ho(sa->p_subn, lid);
166                         if (p_port == NULL)
167                                 continue;
168
169                         /* make sure that the requester and destination port can access
170                            each other according to the current partitioning. */
171                         if (!osm_physp_share_pkey
172                             (sa->p_log, p_port->p_physp, p_requester_physp,
173                              sa->p_subn->opt.allow_both_pkeys)) {
174                                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
175                                         "port and requester don't share pkey\n");
176                                 valid = FALSE;
177                                 goto Exit;
178                         }
179                 }
180         }
181
182 Exit:
183         OSM_LOG_EXIT(sa->p_log);
184         return valid;
185 }
186
187 static boolean_t validate_infr(IN osm_sa_t * sa, IN osm_infr_t * p_infr_rec)
188 {
189         boolean_t valid = TRUE;
190
191         OSM_LOG_ENTER(sa->p_log);
192
193         valid = validate_ports_access_rights(sa, p_infr_rec);
194         if (!valid) {
195                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
196                         "Invalid Access for InformInfo\n");
197                 valid = FALSE;
198         }
199
200         OSM_LOG_EXIT(sa->p_log);
201         return valid;
202 }
203
204 /**********************************************************************
205 o13-12.1.1: Confirm a valid request for event subscription by responding
206 with an InformInfo attribute that is a copy of the data in the
207 Set(InformInfo) request.
208 **********************************************************************/
209 static void infr_rcv_respond(IN osm_sa_t * sa, IN osm_madw_t * p_madw)
210 {
211         cl_qlist_t rec_list;
212         osm_sa_item_t *item;
213
214         OSM_LOG_ENTER(sa->p_log);
215
216         OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
217                 "Generating successful InformInfo response\n");
218
219         item = malloc(SA_II_RESP_SIZE);
220         if (!item) {
221                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4303: "
222                         "rec_item alloc failed\n");
223                 goto Exit;
224         }
225
226         memcpy(&item->resp.inform,
227                ib_sa_mad_get_payload_ptr(osm_madw_get_sa_mad_ptr(p_madw)),
228                sizeof(ib_inform_info_t));
229
230         cl_qlist_init(&rec_list);
231         cl_qlist_insert_tail(&rec_list, &item->list_item);
232
233         osm_sa_respond(sa, p_madw, sizeof(ib_inform_info_t), &rec_list);
234
235 Exit:
236         OSM_LOG_EXIT(sa->p_log);
237 }
238
239 static void sa_inform_info_rec_by_comp_mask(IN osm_sa_t * sa,
240                                             IN const osm_infr_t * p_infr,
241                                             osm_iir_search_ctxt_t * p_ctxt)
242 {
243         ib_net64_t comp_mask;
244         ib_net64_t portguid;
245         osm_port_t *p_subscriber_port;
246         osm_physp_t *p_subscriber_physp;
247         const osm_physp_t *p_req_physp;
248         osm_sa_item_t *p_rec_item;
249
250         OSM_LOG_ENTER(sa->p_log);
251
252         comp_mask = p_ctxt->comp_mask;
253         p_req_physp = p_ctxt->p_req_physp;
254
255         if (comp_mask & IB_IIR_COMPMASK_SUBSCRIBERGID &&
256             memcmp(&p_infr->inform_record.subscriber_gid,
257                    &p_ctxt->subscriber_gid,
258                    sizeof(p_infr->inform_record.subscriber_gid)))
259                 goto Exit;
260
261         if (comp_mask & IB_IIR_COMPMASK_ENUM &&
262             p_infr->inform_record.subscriber_enum != p_ctxt->subscriber_enum)
263                 goto Exit;
264
265         /* Implement any other needed search cases */
266
267         /* Ensure pkey is shared before returning any records */
268         portguid = p_infr->inform_record.subscriber_gid.unicast.interface_id;
269         p_subscriber_port = osm_get_port_by_guid(sa->p_subn, portguid);
270         if (p_subscriber_port == NULL) {
271                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 430D: "
272                         "Invalid subscriber port guid: 0x%016" PRIx64 "\n",
273                         cl_ntoh64(portguid));
274                 goto Exit;
275         }
276
277         /* get the subscriber InformInfo physical port */
278         p_subscriber_physp = p_subscriber_port->p_physp;
279         /* make sure that the requester and subscriber port can access each
280            other according to the current partitioning. */
281         if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_subscriber_physp,
282                                   sa->p_subn->opt.allow_both_pkeys)) {
283                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
284                         "requester and subscriber ports don't share pkey\n");
285                 goto Exit;
286         }
287
288         p_rec_item = malloc(SA_IIR_RESP_SIZE);
289         if (p_rec_item == NULL) {
290                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 430E: "
291                         "rec_item alloc failed\n");
292                 goto Exit;
293         }
294
295         memcpy(&p_rec_item->resp.inform_rec, &p_infr->inform_record,
296                sizeof(ib_inform_info_record_t));
297
298         /*
299          * Per C15-0.2-1.16, InformInfoRecords shall always be
300          * provided with the QPN set to 0, except for the case
301          * of a trusted request, in which case the actual
302          * subscriber QPN shall be returned.
303          */
304         if (p_ctxt->sm_key == 0)
305                 ib_inform_info_set_qpn(&p_rec_item->resp.inform_rec.inform_info, 0);
306
307         cl_qlist_insert_tail(p_ctxt->p_list, &p_rec_item->list_item);
308
309 Exit:
310         OSM_LOG_EXIT(sa->p_log);
311 }
312
313 static void sa_inform_info_rec_by_comp_mask_cb(IN cl_list_item_t * p_list_item,
314                                                IN void *context)
315 {
316         const osm_infr_t *p_infr = (osm_infr_t *) p_list_item;
317         osm_iir_search_ctxt_t *p_ctxt = context;
318
319         sa_inform_info_rec_by_comp_mask(p_ctxt->sa, p_infr, p_ctxt);
320 }
321
322 /**********************************************************************
323 Received a Get(InformInfoRecord) or GetTable(InformInfoRecord) MAD
324 **********************************************************************/
325 static void infr_rcv_process_get_method(osm_sa_t * sa, IN osm_madw_t * p_madw)
326 {
327         char gid_str[INET6_ADDRSTRLEN];
328         ib_sa_mad_t *p_rcvd_mad;
329         const ib_inform_info_record_t *p_rcvd_rec;
330         cl_qlist_t rec_list;
331         osm_iir_search_ctxt_t context;
332         osm_physp_t *p_req_physp;
333         osm_sa_item_t *item;
334
335         OSM_LOG_ENTER(sa->p_log);
336
337         CL_ASSERT(p_madw);
338         p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw);
339         p_rcvd_rec =
340             (ib_inform_info_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad);
341
342         cl_plock_acquire(sa->p_lock);
343
344         /* update the requester physical port */
345         p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
346                                                 osm_madw_get_mad_addr_ptr
347                                                 (p_madw));
348         if (p_req_physp == NULL) {
349                 cl_plock_release(sa->p_lock);
350                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4309: "
351                         "Cannot find requester physical port\n");
352                 goto Exit;
353         }
354
355         if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
356                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
357                         "Requester port GUID 0x%" PRIx64 "\n",
358                         cl_ntoh64(osm_physp_get_port_guid(p_req_physp)));
359                 osm_dump_inform_info_record_v2(sa->p_log, p_rcvd_rec,
360                                                FILE_ID, OSM_LOG_DEBUG);
361         }
362
363         cl_qlist_init(&rec_list);
364
365         context.p_rcvd_rec = p_rcvd_rec;
366         context.p_list = &rec_list;
367         context.comp_mask = p_rcvd_mad->comp_mask;
368         context.subscriber_gid = p_rcvd_rec->subscriber_gid;
369         context.subscriber_enum = p_rcvd_rec->subscriber_enum;
370         context.sa = sa;
371         context.p_req_physp = p_req_physp;
372         context.sm_key = p_rcvd_mad->sm_key;
373
374         OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
375                 "Query Subscriber GID:%s(%02X) Enum:0x%X(%02X)\n",
376                 inet_ntop(AF_INET6, p_rcvd_rec->subscriber_gid.raw,
377                           gid_str, sizeof gid_str),
378                 (p_rcvd_mad->comp_mask & IB_IIR_COMPMASK_SUBSCRIBERGID) != 0,
379                 cl_ntoh16(p_rcvd_rec->subscriber_enum),
380                 (p_rcvd_mad->comp_mask & IB_IIR_COMPMASK_ENUM) != 0);
381
382         cl_qlist_apply_func(&sa->p_subn->sa_infr_list,
383                             sa_inform_info_rec_by_comp_mask_cb, &context);
384
385         /* clear reserved and pad fields in InformInfoRecord */
386         for (item = (osm_sa_item_t *) cl_qlist_head(&rec_list);
387              item != (osm_sa_item_t *) cl_qlist_end(&rec_list);
388              item = (osm_sa_item_t *) cl_qlist_next(&item->list_item)) {
389                 memset(item->resp.inform_rec.reserved, 0, sizeof(item->resp.inform_rec.reserved));
390                 memset(item->resp.inform_rec.pad, 0, sizeof(item->resp.inform_rec.pad));
391         }
392
393         cl_plock_release(sa->p_lock);
394
395         osm_sa_respond(sa, p_madw, sizeof(ib_inform_info_record_t), &rec_list);
396
397 Exit:
398         OSM_LOG_EXIT(sa->p_log);
399 }
400
401 /*********************************************************************
402 Received a Set(InformInfo) MAD
403 **********************************************************************/
404 static void infr_rcv_process_set_method(osm_sa_t * sa, IN osm_madw_t * p_madw)
405 {
406         ib_sa_mad_t *p_sa_mad;
407         ib_inform_info_t *p_recvd_inform_info;
408         osm_infr_t inform_info_rec;     /* actual inform record to be stored for reports */
409         osm_infr_t *p_infr;
410         ib_net32_t qpn;
411         uint8_t resp_time_val;
412         ib_api_status_t res;
413
414         OSM_LOG_ENTER(sa->p_log);
415
416         CL_ASSERT(p_madw);
417
418         p_sa_mad = osm_madw_get_sa_mad_ptr(p_madw);
419         p_recvd_inform_info =
420             (ib_inform_info_t *) ib_sa_mad_get_payload_ptr(p_sa_mad);
421
422 #if 0
423         if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG))
424                 osm_dump_inform_info_v2(sa->p_log, p_recvd_inform_info,
425                                         FILE_ID, OSM_LOG_DEBUG);
426 #endif
427
428         /* Grab the lock */
429         cl_plock_excl_acquire(sa->p_lock);
430
431         /* define the inform record */
432         inform_info_rec.inform_record.inform_info = *p_recvd_inform_info;
433
434         /* following C13-32.1.2 Tbl 120: we only copy the source address vector */
435         inform_info_rec.report_addr = p_madw->mad_addr;
436
437         /* we will need to know the mad srvc to send back through */
438         inform_info_rec.h_bind = p_madw->h_bind;
439         inform_info_rec.sa = sa;
440
441         /* update the subscriber GID according to mad address */
442         res = osm_get_gid_by_mad_addr(sa->p_log, sa->p_subn, &p_madw->mad_addr,
443                                       &inform_info_rec.inform_record.
444                                       subscriber_gid);
445         if (res != IB_SUCCESS) {
446                 cl_plock_release(sa->p_lock);
447
448                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4308: "
449                         "Subscribe Request from unknown LID: %u\n",
450                         cl_ntoh16(p_madw->mad_addr.dest_lid));
451                 osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
452                 goto Exit;
453         }
454
455         /* HACK: enum is always 0 (currently) */
456         inform_info_rec.inform_record.subscriber_enum = 0;
457
458         /* Subscribe values above 1 are undefined */
459         if (p_recvd_inform_info->subscribe > 1) {
460                 cl_plock_release(sa->p_lock);
461
462                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 430A: "
463                         "Invalid subscribe: %d\n",
464                         p_recvd_inform_info->subscribe);
465                 osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
466                 goto Exit;
467         }
468
469         /*
470          * Per C15-0.2-1.16, SubnAdmSet(InformInfo) subscriptions for
471          * SM security traps shall be provided only if they come from a
472          * trusted source.
473          */
474         if ((p_sa_mad->sm_key == 0) && p_recvd_inform_info->is_generic &&
475             ((cl_ntoh16(p_recvd_inform_info->g_or_v.generic.trap_num) >= SM_BAD_MKEY_TRAP) &&
476              (cl_ntoh16(p_recvd_inform_info->g_or_v.generic.trap_num) <= SM_BAD_SWITCH_PKEY_TRAP))) {
477                 cl_plock_release(sa->p_lock);
478
479                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 430B "
480                         "Request for security trap from non-trusted requester: "
481                         "Given SM_Key:0x%016" PRIx64 "\n",
482                         cl_ntoh64(p_sa_mad->sm_key));
483                 osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
484                 goto Exit;
485         }
486
487         /*
488          * MODIFICATIONS DONE ON INCOMING REQUEST:
489          *
490          * QPN:
491          * Internally we keep the QPN field of the InformInfo updated
492          * so we can simply compare it in the record - when finding such.
493          */
494         if (p_recvd_inform_info->subscribe) {
495                 ib_inform_info_set_qpn(&inform_info_rec.inform_record.
496                                        inform_info,
497                                        inform_info_rec.report_addr.addr_type.
498                                        gsi.remote_qp);
499
500                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
501                         "Subscribe Request with QPN: 0x%06X\n",
502                         cl_ntoh32(inform_info_rec.report_addr.addr_type.gsi.
503                                   remote_qp));
504         } else {
505                 ib_inform_info_get_qpn_resp_time(p_recvd_inform_info->g_or_v.
506                                                  generic.qpn_resp_time_val,
507                                                  &qpn, &resp_time_val);
508
509                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
510                         "UnSubscribe Request with QPN: 0x%06X\n",
511                         cl_ntoh32(qpn));
512         }
513
514         /* If record exists with matching InformInfo */
515         p_infr = osm_infr_get_by_rec(sa->p_subn, sa->p_log, &inform_info_rec);
516
517         /* check to see if the request was for subscribe */
518         if (p_recvd_inform_info->subscribe) {
519                 /* validate the request for a new or update InformInfo */
520                 if (validate_infr(sa, &inform_info_rec) != TRUE) {
521                         cl_plock_release(sa->p_lock);
522
523                         OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4305: "
524                                 "Failed to validate a new inform object\n");
525
526                         /* o13-13.1.1: we need to set the subscribe bit to 0 */
527                         p_recvd_inform_info->subscribe = 0;
528                         osm_sa_send_error(sa, p_madw,
529                                           IB_SA_MAD_STATUS_REQ_INVALID);
530                         goto Exit;
531                 }
532
533                 /* ok - we can try and create a new entry */
534                 if (p_infr == NULL) {
535                         /* Create the instance of the osm_infr_t object */
536                         p_infr = osm_infr_new(&inform_info_rec);
537                         if (p_infr == NULL) {
538                                 cl_plock_release(sa->p_lock);
539
540                                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4306: "
541                                         "Failed to create a new inform object\n");
542
543                                 /* o13-13.1.1: we need to set the subscribe bit to 0 */
544                                 p_recvd_inform_info->subscribe = 0;
545                                 osm_sa_send_error(sa, p_madw,
546                                                   IB_SA_MAD_STATUS_NO_RESOURCES);
547                                 goto Exit;
548                         }
549
550                         OSM_LOG(sa->p_log, OSM_LOG_VERBOSE,
551                                 "Adding event subscription for port 0x%" PRIx64 "\n",
552                                 cl_ntoh64(inform_info_rec.inform_record.subscriber_gid.unicast.interface_id));
553
554                         /* Add this new osm_infr_t object to subnet object */
555                         osm_infr_insert_to_db(sa->p_subn, sa->p_log, p_infr);
556                 } else
557                         /* Update the old instance of the osm_infr_t object */
558                         p_infr->inform_record = inform_info_rec.inform_record;
559                 /* We got an UnSubscribe request */
560         } else if (p_infr == NULL) {
561                 cl_plock_release(sa->p_lock);
562
563                 /* No Such Item - So Error */
564                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4307: "
565                         "Failed to UnSubscribe to non existing inform object\n");
566
567                 /* o13-13.1.1: we need to set the subscribe bit to 0 */
568                 p_recvd_inform_info->subscribe = 0;
569                 osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
570                 goto Exit;
571         } else {
572                 /* Delete this object from the subnet list of informs */
573                 OSM_LOG(sa->p_log, OSM_LOG_VERBOSE,
574                         "Removing event subscription for port 0x%" PRIx64 "\n",
575                         cl_ntoh64(inform_info_rec.inform_record.subscriber_gid.unicast.interface_id));
576                 osm_infr_remove_from_db(sa->p_subn, sa->p_log, p_infr);
577         }
578
579         cl_plock_release(sa->p_lock);
580
581         /* send the success response */
582         infr_rcv_respond(sa, p_madw);
583
584 Exit:
585         OSM_LOG_EXIT(sa->p_log);
586 }
587
588 void osm_infr_rcv_process(IN void *context, IN void *data)
589 {
590         osm_sa_t *sa = context;
591         osm_madw_t *p_madw = data;
592         ib_sa_mad_t *p_sa_mad;
593
594         OSM_LOG_ENTER(sa->p_log);
595
596         CL_ASSERT(p_madw);
597
598         p_sa_mad = osm_madw_get_sa_mad_ptr(p_madw);
599
600         CL_ASSERT(p_sa_mad->attr_id == IB_MAD_ATTR_INFORM_INFO);
601
602         if (p_sa_mad->method != IB_MAD_METHOD_SET) {
603                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
604                         "Unsupported Method (%s) for InformInfo\n",
605                         ib_get_sa_method_str(p_sa_mad->method));
606                 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
607                 goto Exit;
608         }
609
610         infr_rcv_process_set_method(sa, p_madw);
611
612 Exit:
613         OSM_LOG_EXIT(sa->p_log);
614 }
615
616 void osm_infir_rcv_process(IN void *context, IN void *data)
617 {
618         osm_sa_t *sa = context;
619         osm_madw_t *p_madw = data;
620         ib_sa_mad_t *p_sa_mad;
621
622         OSM_LOG_ENTER(sa->p_log);
623
624         CL_ASSERT(p_madw);
625
626         p_sa_mad = osm_madw_get_sa_mad_ptr(p_madw);
627
628         CL_ASSERT(p_sa_mad->attr_id == IB_MAD_ATTR_INFORM_INFO_RECORD);
629
630         if (p_sa_mad->method != IB_MAD_METHOD_GET &&
631             p_sa_mad->method != IB_MAD_METHOD_GETTABLE) {
632                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
633                         "Unsupported Method (%s) for InformInfoRecord\n",
634                         ib_get_sa_method_str(p_sa_mad->method));
635                 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
636                 goto Exit;
637         }
638
639         infr_rcv_process_get_method(sa, p_madw);
640
641 Exit:
642         OSM_LOG_EXIT(sa->p_log);
643 }