contrib/ofed/management/opensm/opensm/osm_sa_portinfo_record.c

   1 /*
   2  * Copyright (c) 2004-2008 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  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  *
  34  */
  35
  36 /*
  37  * Abstract:
  38  *    Implementation of osm_pir_rcv_t.
  39  * This object represents the PortInfoRecord Receiver object.
  40  * This object is part of the opensm family of objects.
  41  */
  42
  43 #if HAVE_CONFIG_H
  44 #  include <config.h>
  45 #endif                          /* HAVE_CONFIG_H */
  46
  47 #include <string.h>
  48 #include <iba/ib_types.h>
  49 #include <complib/cl_qmap.h>
  50 #include <complib/cl_passivelock.h>
  51 #include <complib/cl_debug.h>
  52 #include <complib/cl_qlist.h>
  53 #include <vendor/osm_vendor_api.h>
  54 #include <opensm/osm_port.h>
  55 #include <opensm/osm_node.h>
  56 #include <opensm/osm_switch.h>
  57 #include <opensm/osm_helper.h>
  58 #include <opensm/osm_pkey.h>
  59 #include <opensm/osm_sa.h>
  60
  61 typedef struct osm_pir_item {
  62         cl_list_item_t list_item;
  63         ib_portinfo_record_t rec;
  64 } osm_pir_item_t;
  65
  66 typedef struct osm_pir_search_ctxt {
  67         const ib_portinfo_record_t *p_rcvd_rec;
  68         ib_net64_t comp_mask;
  69         cl_qlist_t *p_list;
  70         osm_sa_t *sa;
  71         const osm_physp_t *p_req_physp;
  72         boolean_t is_enhanced_comp_mask;
  73 } osm_pir_search_ctxt_t;
  74
  75 /**********************************************************************
  76  **********************************************************************/
  77 static ib_api_status_t
  78 __osm_pir_rcv_new_pir(IN osm_sa_t * sa,
  79                       IN const osm_physp_t * const p_physp,
  80                       IN cl_qlist_t * const p_list, IN ib_net16_t const lid)
  81 {
  82         osm_pir_item_t *p_rec_item;
  83         ib_api_status_t status = IB_SUCCESS;
  84
  85         OSM_LOG_ENTER(sa->p_log);
  86
  87         p_rec_item = malloc(sizeof(*p_rec_item));
  88         if (p_rec_item == NULL) {
  89                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2102: "
  90                         "rec_item alloc failed\n");
  91                 status = IB_INSUFFICIENT_RESOURCES;
  92                 goto Exit;
  93         }
  94
  95         OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
  96                 "New PortInfoRecord: port 0x%016" PRIx64
  97                 ", lid %u, port %u\n",
  98                 cl_ntoh64(osm_physp_get_port_guid(p_physp)),
  99                 cl_ntoh16(lid), osm_physp_get_port_num(p_physp));
 100
 101         memset(p_rec_item, 0, sizeof(*p_rec_item));
 102
 103         p_rec_item->rec.lid = lid;
 104         p_rec_item->rec.port_info = p_physp->port_info;
 105         p_rec_item->rec.port_num = osm_physp_get_port_num(p_physp);
 106
 107         cl_qlist_insert_tail(p_list, &p_rec_item->list_item);
 108
 109 Exit:
 110         OSM_LOG_EXIT(sa->p_log);
 111         return (status);
 112 }
 113
 114 /**********************************************************************
 115  **********************************************************************/
 116 static void
 117 __osm_sa_pir_create(IN osm_sa_t * sa,
 118                     IN const osm_physp_t * const p_physp,
 119                     IN osm_pir_search_ctxt_t * const p_ctxt)
 120 {
 121         uint8_t lmc;
 122         uint16_t max_lid_ho;
 123         uint16_t base_lid_ho;
 124         uint16_t match_lid_ho;
 125         osm_physp_t *p_node_physp;
 126
 127         OSM_LOG_ENTER(sa->p_log);
 128
 129         if (p_physp->p_node->sw) {
 130                 p_node_physp = osm_node_get_physp_ptr(p_physp->p_node, 0);
 131                 base_lid_ho = cl_ntoh16(osm_physp_get_base_lid(p_node_physp));
 132                 lmc =
 133                     osm_switch_sp0_is_lmc_capable(p_physp->p_node->sw,
 134                                                   sa->
 135                                                   p_subn) ?
 136                     osm_physp_get_lmc(p_node_physp) : 0;
 137         } else {
 138                 lmc = osm_physp_get_lmc(p_physp);
 139                 base_lid_ho = cl_ntoh16(osm_physp_get_base_lid(p_physp));
 140         }
 141         max_lid_ho = (uint16_t) (base_lid_ho + (1 << lmc) - 1);
 142
 143         if (p_ctxt->comp_mask & IB_PIR_COMPMASK_LID) {
 144                 match_lid_ho = cl_ntoh16(p_ctxt->p_rcvd_rec->lid);
 145
 146                 /*
 147                    We validate that the lid belongs to this node.
 148                  */
 149                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
 150                         "Comparing LID: %u <= %u <= %u\n",
 151                         base_lid_ho, match_lid_ho, max_lid_ho);
 152
 153                 if (match_lid_ho < base_lid_ho || match_lid_ho > max_lid_ho)
 154                         goto Exit;
 155         }
 156
 157         __osm_pir_rcv_new_pir(sa, p_physp, p_ctxt->p_list,
 158                               cl_hton16(base_lid_ho));
 159
 160 Exit:
 161         OSM_LOG_EXIT(sa->p_log);
 162 }
 163
 164 /**********************************************************************
 165  **********************************************************************/
 166 static void
 167 __osm_sa_pir_check_physp(IN osm_sa_t * sa,
 168                          IN const osm_physp_t * const p_physp,
 169                          osm_pir_search_ctxt_t * const p_ctxt)
 170 {
 171         const ib_portinfo_record_t *p_rcvd_rec;
 172         ib_net64_t comp_mask;
 173         const ib_port_info_t *p_comp_pi;
 174         const ib_port_info_t *p_pi;
 175
 176         OSM_LOG_ENTER(sa->p_log);
 177
 178         p_rcvd_rec = p_ctxt->p_rcvd_rec;
 179         comp_mask = p_ctxt->comp_mask;
 180         p_comp_pi = &p_rcvd_rec->port_info;
 181         p_pi = &p_physp->port_info;
 182
 183         osm_dump_port_info(sa->p_log,
 184                            osm_node_get_node_guid(p_physp->p_node),
 185                            p_physp->port_guid,
 186                            p_physp->port_num,
 187                            &p_physp->port_info, OSM_LOG_DEBUG);
 188
 189         /* We have to re-check the base_lid, since if the given
 190            base_lid in p_pi is zero - we are comparing on all ports. */
 191         if (comp_mask & IB_PIR_COMPMASK_BASELID) {
 192                 if (p_comp_pi->base_lid != p_pi->base_lid)
 193                         goto Exit;
 194         }
 195         if (comp_mask & IB_PIR_COMPMASK_MKEY) {
 196                 if (p_comp_pi->m_key != p_pi->m_key)
 197                         goto Exit;
 198         }
 199         if (comp_mask & IB_PIR_COMPMASK_GIDPRE) {
 200                 if (p_comp_pi->subnet_prefix != p_pi->subnet_prefix)
 201                         goto Exit;
 202         }
 203         if (comp_mask & IB_PIR_COMPMASK_SMLID) {
 204                 if (p_comp_pi->master_sm_base_lid != p_pi->master_sm_base_lid)
 205                         goto Exit;
 206         }
 207
 208         /* IBTA 1.2 errata provides support for bitwise compare if the bit 31
 209            of the attribute modifier of the Get/GetTable is set */
 210         if (comp_mask & IB_PIR_COMPMASK_CAPMASK) {
 211                 if (p_ctxt->is_enhanced_comp_mask) {
 212                         if (((p_comp_pi->capability_mask & p_pi->
 213                               capability_mask) != p_comp_pi->capability_mask))
 214                                 goto Exit;
 215                 } else {
 216                         if (p_comp_pi->capability_mask != p_pi->capability_mask)
 217                                 goto Exit;
 218                 }
 219         }
 220
 221         if (comp_mask & IB_PIR_COMPMASK_DIAGCODE) {
 222                 if (p_comp_pi->diag_code != p_pi->diag_code)
 223                         goto Exit;
 224         }
 225         if (comp_mask & IB_PIR_COMPMASK_MKEYLEASEPRD) {
 226                 if (p_comp_pi->m_key_lease_period != p_pi->m_key_lease_period)
 227                         goto Exit;
 228         }
 229         if (comp_mask & IB_PIR_COMPMASK_LOCALPORTNUM) {
 230                 if (p_comp_pi->local_port_num != p_pi->local_port_num)
 231                         goto Exit;
 232         }
 233         if (comp_mask & IB_PIR_COMPMASK_LNKWIDTHSUPPORT) {
 234                 if (p_comp_pi->link_width_supported !=
 235                     p_pi->link_width_supported)
 236                         goto Exit;
 237         }
 238         if (comp_mask & IB_PIR_COMPMASK_LNKWIDTHACTIVE) {
 239                 if (p_comp_pi->link_width_active != p_pi->link_width_active)
 240                         goto Exit;
 241         }
 242         if (comp_mask & IB_PIR_COMPMASK_LINKWIDTHENABLED) {
 243                 if (p_comp_pi->link_width_enabled != p_pi->link_width_enabled)
 244                         goto Exit;
 245         }
 246         if (comp_mask & IB_PIR_COMPMASK_LNKSPEEDSUPPORT) {
 247                 if (ib_port_info_get_link_speed_sup(p_comp_pi) !=
 248                     ib_port_info_get_link_speed_sup(p_pi))
 249                         goto Exit;
 250         }
 251         if (comp_mask & IB_PIR_COMPMASK_PORTSTATE) {
 252                 if (ib_port_info_get_port_state(p_comp_pi) !=
 253                     ib_port_info_get_port_state(p_pi))
 254                         goto Exit;
 255         }
 256         if (comp_mask & IB_PIR_COMPMASK_PORTPHYSTATE) {
 257                 if (ib_port_info_get_port_phys_state(p_comp_pi) !=
 258                     ib_port_info_get_port_phys_state(p_pi))
 259                         goto Exit;
 260         }
 261         if (comp_mask & IB_PIR_COMPMASK_LINKDWNDFLTSTATE) {
 262                 if (ib_port_info_get_link_down_def_state(p_comp_pi) !=
 263                     ib_port_info_get_link_down_def_state(p_pi))
 264                         goto Exit;
 265         }
 266         if (comp_mask & IB_PIR_COMPMASK_MKEYPROTBITS) {
 267                 if (ib_port_info_get_mpb(p_comp_pi) !=
 268                     ib_port_info_get_mpb(p_pi))
 269                         goto Exit;
 270         }
 271         if (comp_mask & IB_PIR_COMPMASK_LMC) {
 272                 if (ib_port_info_get_lmc(p_comp_pi) !=
 273                     ib_port_info_get_lmc(p_pi))
 274                         goto Exit;
 275         }
 276         if (comp_mask & IB_PIR_COMPMASK_LINKSPEEDACTIVE) {
 277                 if (ib_port_info_get_link_speed_active(p_comp_pi) !=
 278                     ib_port_info_get_link_speed_active(p_pi))
 279                         goto Exit;
 280         }
 281         if (comp_mask & IB_PIR_COMPMASK_LINKSPEEDENABLE) {
 282                 if (ib_port_info_get_link_speed_enabled(p_comp_pi) !=
 283                     ib_port_info_get_link_speed_enabled(p_pi))
 284                         goto Exit;
 285         }
 286         if (comp_mask & IB_PIR_COMPMASK_NEIGHBORMTU) {
 287                 if (ib_port_info_get_neighbor_mtu(p_comp_pi) !=
 288                     ib_port_info_get_neighbor_mtu(p_pi))
 289                         goto Exit;
 290         }
 291         if (comp_mask & IB_PIR_COMPMASK_MASTERSMSL) {
 292                 if (ib_port_info_get_master_smsl(p_comp_pi) !=
 293                     ib_port_info_get_master_smsl(p_pi))
 294                         goto Exit;
 295         }
 296         if (comp_mask & IB_PIR_COMPMASK_VLCAP) {
 297                 if (ib_port_info_get_vl_cap(p_comp_pi) !=
 298                     ib_port_info_get_vl_cap(p_pi))
 299                         goto Exit;
 300         }
 301         if (comp_mask & IB_PIR_COMPMASK_INITTYPE) {
 302                 if (ib_port_info_get_init_type(p_comp_pi) !=
 303                     ib_port_info_get_init_type(p_pi))
 304                         goto Exit;
 305         }
 306         if (comp_mask & IB_PIR_COMPMASK_VLHIGHLIMIT) {
 307                 if (p_comp_pi->vl_high_limit != p_pi->vl_high_limit)
 308                         goto Exit;
 309         }
 310         if (comp_mask & IB_PIR_COMPMASK_VLARBHIGHCAP) {
 311                 if (p_comp_pi->vl_arb_high_cap != p_pi->vl_arb_high_cap)
 312                         goto Exit;
 313         }
 314         if (comp_mask & IB_PIR_COMPMASK_VLARBLOWCAP) {
 315                 if (p_comp_pi->vl_arb_low_cap != p_pi->vl_arb_low_cap)
 316                         goto Exit;
 317         }
 318         if (comp_mask & IB_PIR_COMPMASK_MTUCAP) {
 319                 if (ib_port_info_get_mtu_cap(p_comp_pi) !=
 320                     ib_port_info_get_mtu_cap(p_pi))
 321                         goto Exit;
 322         }
 323         if (comp_mask & IB_PIR_COMPMASK_VLSTALLCNT) {
 324                 if (ib_port_info_get_vl_stall_count(p_comp_pi) !=
 325                     ib_port_info_get_vl_stall_count(p_pi))
 326                         goto Exit;
 327         }
 328         if (comp_mask & IB_PIR_COMPMASK_HOQLIFE) {
 329                 if ((p_comp_pi->vl_stall_life & 0x1F) !=
 330                     (p_pi->vl_stall_life & 0x1F))
 331                         goto Exit;
 332         }
 333         if (comp_mask & IB_PIR_COMPMASK_OPVLS) {
 334                 if ((p_comp_pi->vl_enforce & 0xF0) != (p_pi->vl_enforce & 0xF0))
 335                         goto Exit;
 336         }
 337         if (comp_mask & IB_PIR_COMPMASK_PARENFIN) {
 338                 if ((p_comp_pi->vl_enforce & 0x08) != (p_pi->vl_enforce & 0x08))
 339                         goto Exit;
 340         }
 341         if (comp_mask & IB_PIR_COMPMASK_PARENFOUT) {
 342                 if ((p_comp_pi->vl_enforce & 0x04) != (p_pi->vl_enforce & 0x04))
 343                         goto Exit;
 344         }
 345         if (comp_mask & IB_PIR_COMPMASK_FILTERRAWIN) {
 346                 if ((p_comp_pi->vl_enforce & 0x02) != (p_pi->vl_enforce & 0x02))
 347                         goto Exit;
 348         }
 349         if (comp_mask & IB_PIR_COMPMASK_FILTERRAWOUT) {
 350                 if ((p_comp_pi->vl_enforce & 0x01) != (p_pi->vl_enforce & 0x01))
 351                         goto Exit;
 352         }
 353         if (comp_mask & IB_PIR_COMPMASK_MKEYVIO) {
 354                 if (p_comp_pi->m_key_violations != p_pi->m_key_violations)
 355                         goto Exit;
 356         }
 357         if (comp_mask & IB_PIR_COMPMASK_PKEYVIO) {
 358                 if (p_comp_pi->p_key_violations != p_pi->p_key_violations)
 359                         goto Exit;
 360         }
 361         if (comp_mask & IB_PIR_COMPMASK_QKEYVIO) {
 362                 if (p_comp_pi->q_key_violations != p_pi->q_key_violations)
 363                         goto Exit;
 364         }
 365         if (comp_mask & IB_PIR_COMPMASK_GUIDCAP) {
 366                 if (p_comp_pi->guid_cap != p_pi->guid_cap)
 367                         goto Exit;
 368         }
 369         if (comp_mask & IB_PIR_COMPMASK_SUBNTO) {
 370                 if (ib_port_info_get_timeout(p_comp_pi) !=
 371                     ib_port_info_get_timeout(p_pi))
 372                         goto Exit;
 373         }
 374         if (comp_mask & IB_PIR_COMPMASK_RESPTIME) {
 375                 if ((p_comp_pi->resp_time_value & 0x1F) !=
 376                     (p_pi->resp_time_value & 0x1F))
 377                         goto Exit;
 378         }
 379         if (comp_mask & IB_PIR_COMPMASK_LOCALPHYERR) {
 380                 if (ib_port_info_get_local_phy_err_thd(p_comp_pi) !=
 381                     ib_port_info_get_local_phy_err_thd(p_pi))
 382                         goto Exit;
 383         }
 384         if (comp_mask & IB_PIR_COMPMASK_OVERRUNERR) {
 385                 if (ib_port_info_get_overrun_err_thd(p_comp_pi) !=
 386                     ib_port_info_get_overrun_err_thd(p_pi))
 387                         goto Exit;
 388         }
 389
 390         __osm_sa_pir_create(sa, p_physp, p_ctxt);
 391
 392 Exit:
 393         OSM_LOG_EXIT(sa->p_log);
 394 }
 395
 396 /**********************************************************************
 397  **********************************************************************/
 398 static void
 399 __osm_sa_pir_by_comp_mask(IN osm_sa_t * sa,
 400                           IN osm_node_t * const p_node,
 401                           osm_pir_search_ctxt_t * const p_ctxt)
 402 {
 403         const ib_portinfo_record_t *p_rcvd_rec;
 404         ib_net64_t comp_mask;
 405         const osm_physp_t *p_physp;
 406         uint8_t port_num;
 407         uint8_t num_ports;
 408         const osm_physp_t *p_req_physp;
 409
 410         OSM_LOG_ENTER(sa->p_log);
 411
 412         p_rcvd_rec = p_ctxt->p_rcvd_rec;
 413         comp_mask = p_ctxt->comp_mask;
 414         p_req_physp = p_ctxt->p_req_physp;
 415
 416         num_ports = osm_node_get_num_physp(p_node);
 417
 418         if (comp_mask & IB_PIR_COMPMASK_PORTNUM) {
 419                 if (p_rcvd_rec->port_num < num_ports) {
 420                         p_physp =
 421                             osm_node_get_physp_ptr(p_node,
 422                                                    p_rcvd_rec->port_num);
 423                         /* Check that the p_physp is valid, and that the
 424                            p_physp and the p_req_physp share a pkey. */
 425                         if (p_physp &&
 426                             osm_physp_share_pkey(sa->p_log, p_req_physp,
 427                                                  p_physp))
 428                                 __osm_sa_pir_check_physp(sa, p_physp,
 429                                                          p_ctxt);
 430                 }
 431         } else {
 432                 for (port_num = 0; port_num < num_ports; port_num++) {
 433                         p_physp =
 434                             osm_node_get_physp_ptr(p_node, port_num);
 435                         if (!p_physp)
 436                                 continue;
 437
 438                         /* if the requester and the p_physp don't share a pkey -
 439                            continue */
 440                         if (!osm_physp_share_pkey
 441                             (sa->p_log, p_req_physp, p_physp))
 442                                 continue;
 443
 444                         __osm_sa_pir_check_physp(sa, p_physp, p_ctxt);
 445                 }
 446         }
 447
 448         OSM_LOG_EXIT(sa->p_log);
 449 }
 450
 451 /**********************************************************************
 452  **********************************************************************/
 453 static void
 454 __osm_sa_pir_by_comp_mask_cb(IN cl_map_item_t * const p_map_item,
 455                              IN void *context)
 456 {
 457         osm_node_t *const p_node = (osm_node_t *) p_map_item;
 458         osm_pir_search_ctxt_t *const p_ctxt = (osm_pir_search_ctxt_t *) context;
 459
 460         __osm_sa_pir_by_comp_mask(p_ctxt->sa, p_node, p_ctxt);
 461 }
 462
 463 /**********************************************************************
 464  **********************************************************************/
 465 void osm_pir_rcv_process(IN void *ctx, IN void *data)
 466 {
 467         osm_sa_t *sa = ctx;
 468         osm_madw_t *p_madw = data;
 469         const ib_sa_mad_t *p_rcvd_mad;
 470         const ib_portinfo_record_t *p_rcvd_rec;
 471         const cl_ptr_vector_t *p_tbl;
 472         const osm_port_t *p_port = NULL;
 473         const ib_port_info_t *p_pi;
 474         cl_qlist_t rec_list;
 475         osm_pir_search_ctxt_t context;
 476         ib_api_status_t status = IB_SUCCESS;
 477         ib_net64_t comp_mask;
 478         osm_physp_t *p_req_physp;
 479
 480         CL_ASSERT(sa);
 481
 482         OSM_LOG_ENTER(sa->p_log);
 483
 484         CL_ASSERT(p_madw);
 485
 486         p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw);
 487         p_rcvd_rec =
 488             (ib_portinfo_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad);
 489         comp_mask = p_rcvd_mad->comp_mask;
 490
 491         CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_PORTINFO_RECORD);
 492
 493         /* we only support SubnAdmGet and SubnAdmGetTable methods */
 494         if (p_rcvd_mad->method != IB_MAD_METHOD_GET &&
 495             p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) {
 496                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2105: "
 497                         "Unsupported Method (%s)\n",
 498                         ib_get_sa_method_str(p_rcvd_mad->method));
 499                 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
 500                 goto Exit;
 501         }
 502
 503         /* update the requester physical port. */
 504         p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
 505                                                 osm_madw_get_mad_addr_ptr
 506                                                 (p_madw));
 507         if (p_req_physp == NULL) {
 508                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2104: "
 509                         "Cannot find requester physical port\n");
 510                 goto Exit;
 511         }
 512
 513         if (osm_log_is_active(sa->p_log, OSM_LOG_DEBUG))
 514                 osm_dump_portinfo_record(sa->p_log, p_rcvd_rec, OSM_LOG_DEBUG);
 515
 516         p_tbl = &sa->p_subn->port_lid_tbl;
 517         p_pi = &p_rcvd_rec->port_info;
 518
 519         cl_qlist_init(&rec_list);
 520
 521         context.p_rcvd_rec = p_rcvd_rec;
 522         context.p_list = &rec_list;
 523         context.comp_mask = p_rcvd_mad->comp_mask;
 524         context.sa = sa;
 525         context.p_req_physp = p_req_physp;
 526         context.is_enhanced_comp_mask =
 527             cl_ntoh32(p_rcvd_mad->attr_mod) & (1 << 31);
 528
 529         cl_plock_acquire(sa->p_lock);
 530
 531         CL_ASSERT(cl_ptr_vector_get_size(p_tbl) < 0x10000);
 532
 533         /*
 534            If the user specified a LID, it obviously narrows our
 535            work load, since we don't have to search every port
 536          */
 537         if (comp_mask & IB_PIR_COMPMASK_LID) {
 538                 status =
 539                     osm_get_port_by_base_lid(sa->p_subn, p_rcvd_rec->lid,
 540                                              &p_port);
 541                 if ((status != IB_SUCCESS) || (p_port == NULL)) {
 542                         status = IB_NOT_FOUND;
 543                         OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2109: "
 544                                 "No port found with LID %u\n",
 545                                 cl_ntoh16(p_rcvd_rec->lid));
 546                 }
 547         } else if (comp_mask & IB_PIR_COMPMASK_BASELID) {
 548                 if ((uint16_t) cl_ptr_vector_get_size(p_tbl) >
 549                     cl_ntoh16(p_pi->base_lid))
 550                         p_port = cl_ptr_vector_get(p_tbl,
 551                                                    cl_ntoh16(p_pi->base_lid));
 552                 else {
 553                         status = IB_NOT_FOUND;
 554                         OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2103: "
 555                                 "Given LID (%u) is out of range:%u\n",
 556                                 cl_ntoh16(p_pi->base_lid),
 557                                 cl_ptr_vector_get_size(p_tbl));
 558                 }
 559         }
 560
 561         if (status == IB_SUCCESS) {
 562                 if (p_port)
 563                         __osm_sa_pir_by_comp_mask(sa, p_port->p_node,
 564                                                   &context);
 565                 else
 566                         cl_qmap_apply_func(&sa->p_subn->node_guid_tbl,
 567                                            __osm_sa_pir_by_comp_mask_cb,
 568                                            &context);
 569         }
 570
 571         cl_plock_release(sa->p_lock);
 572
 573         /*
 574            p922 - The M_Key returned shall be zero, except in the case of a
 575            trusted request.
 576            Note: In the mad controller we check that the SM_Key received on
 577            the mad is valid. Meaning - is either zero or equal to the local
 578            sm_key.
 579          */
 580         if (!p_rcvd_mad->sm_key) {
 581                 osm_pir_item_t *item;
 582                 for (item = (osm_pir_item_t *) cl_qlist_head(&rec_list);
 583                      item != (osm_pir_item_t *) cl_qlist_end(&rec_list);
 584                      item = (osm_pir_item_t *)cl_qlist_next(&item->list_item))
 585                         item->rec.port_info.m_key = 0;
 586         }
 587
 588         osm_sa_respond(sa, p_madw, sizeof(ib_portinfo_record_t), &rec_list);
 589
 590 Exit:
 591         OSM_LOG_EXIT(sa->p_log);
 592 }