contrib/ofed/opensm/opensm/osm_sa_portinfo_record.c

   1 /*
   2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
   3  * Copyright (c) 2002-2011 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_pir_rcv_t.
  40  * This object represents the PortInfoRecord 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 <string.h>
  49 #include <iba/ib_types.h>
  50 #include <complib/cl_qmap.h>
  51 #include <complib/cl_passivelock.h>
  52 #include <complib/cl_debug.h>
  53 #include <complib/cl_qlist.h>
  54 #include <opensm/osm_file_ids.h>
  55 #define FILE_ID OSM_FILE_SA_PORTINFO_RECORD_C
  56 #include <vendor/osm_vendor_api.h>
  57 #include <opensm/osm_port.h>
  58 #include <opensm/osm_node.h>
  59 #include <opensm/osm_switch.h>
  60 #include <opensm/osm_helper.h>
  61 #include <opensm/osm_pkey.h>
  62 #include <opensm/osm_sa.h>
  63
  64 #define SA_PIR_RESP_SIZE SA_ITEM_RESP_SIZE(port_rec)
  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 static ib_api_status_t pir_rcv_new_pir(IN osm_sa_t * sa,
  76                                        IN const osm_physp_t * p_physp,
  77                                        IN osm_pir_search_ctxt_t * p_ctxt,
  78                                        IN ib_net16_t const lid)
  79 {
  80         osm_sa_item_t *p_rec_item;
  81         ib_port_info_t *p_pi;
  82         osm_physp_t *p_physp0;
  83         ib_api_status_t status = IB_SUCCESS;
  84
  85         OSM_LOG_ENTER(sa->p_log);
  86
  87         p_rec_item = malloc(SA_PIR_RESP_SIZE);
  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, SA_PIR_RESP_SIZE);
 102
 103         p_rec_item->resp.port_rec.lid = lid;
 104         p_rec_item->resp.port_rec.port_info = p_physp->port_info;
 105         if (p_ctxt->comp_mask & IB_PIR_COMPMASK_OPTIONS)
 106                 p_rec_item->resp.port_rec.options = p_ctxt->p_rcvd_rec->options;
 107         if ((p_ctxt->comp_mask & IB_PIR_COMPMASK_OPTIONS) == 0 ||
 108             (p_ctxt->p_rcvd_rec->options & 0x80) == 0) {
 109                 /* Does requested port have an extended link speed active ? */
 110                 if (osm_node_get_type(p_physp->p_node) ==
 111                     IB_NODE_TYPE_SWITCH) {
 112                         p_physp0 = osm_node_get_physp_ptr(p_physp->p_node, 0);
 113                         p_pi = &p_physp0->port_info;
 114                 } else
 115                         p_pi = (ib_port_info_t *) &p_physp->port_info;
 116                 if ((p_pi->capability_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) {
 117                         if (ib_port_info_get_link_speed_ext_active(&p_physp->port_info)) {
 118                                 /* Add QDR bits to original link speed components */
 119                                 p_pi = &p_rec_item->resp.port_rec.port_info;
 120                                 ib_port_info_set_link_speed_enabled(p_pi,
 121                                                                     ib_port_info_get_link_speed_enabled(p_pi) | IB_LINK_SPEED_ACTIVE_10);
 122                                 p_pi->state_info1 =
 123                                     (uint8_t) ((p_pi->state_info1 & IB_PORT_STATE_MASK) |
 124                                                (ib_port_info_get_link_speed_sup(p_pi) | IB_LINK_SPEED_ACTIVE_10) << IB_PORT_LINK_SPEED_SHIFT);
 125                                 p_pi->link_speed =
 126                                     (uint8_t) ((p_pi->link_speed & IB_PORT_LINK_SPEED_ENABLED_MASK) |
 127                                                (ib_port_info_get_link_speed_active(p_pi) | IB_LINK_SPEED_ACTIVE_10) << IB_PORT_LINK_SPEED_SHIFT);
 128                         }
 129                 }
 130         }
 131         p_rec_item->resp.port_rec.port_num = osm_physp_get_port_num(p_physp);
 132
 133         cl_qlist_insert_tail(p_ctxt->p_list, &p_rec_item->list_item);
 134
 135 Exit:
 136         OSM_LOG_EXIT(sa->p_log);
 137         return status;
 138 }
 139
 140 static void sa_pir_create(IN osm_sa_t * sa, IN const osm_physp_t * p_physp,
 141                           IN osm_pir_search_ctxt_t * p_ctxt)
 142 {
 143         uint8_t lmc;
 144         uint16_t max_lid_ho;
 145         uint16_t base_lid_ho;
 146         uint16_t match_lid_ho;
 147         osm_physp_t *p_node_physp;
 148
 149         OSM_LOG_ENTER(sa->p_log);
 150
 151         if (p_physp->p_node->sw) {
 152                 p_node_physp = osm_node_get_physp_ptr(p_physp->p_node, 0);
 153                 base_lid_ho = cl_ntoh16(osm_physp_get_base_lid(p_node_physp));
 154                 lmc =
 155                     osm_switch_sp0_is_lmc_capable(p_physp->p_node->sw,
 156                                                   sa->p_subn) ?
 157                     osm_physp_get_lmc(p_node_physp) : 0;
 158         } else {
 159                 lmc = osm_physp_get_lmc(p_physp);
 160                 base_lid_ho = cl_ntoh16(osm_physp_get_base_lid(p_physp));
 161         }
 162         max_lid_ho = (uint16_t) (base_lid_ho + (1 << lmc) - 1);
 163
 164         if (p_ctxt->comp_mask & IB_PIR_COMPMASK_LID) {
 165                 match_lid_ho = cl_ntoh16(p_ctxt->p_rcvd_rec->lid);
 166
 167                 /*
 168                    We validate that the lid belongs to this node.
 169                  */
 170                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
 171                         "Comparing LID: %u <= %u <= %u\n",
 172                         base_lid_ho, match_lid_ho, max_lid_ho);
 173
 174                 if (match_lid_ho < base_lid_ho || match_lid_ho > max_lid_ho)
 175                         goto Exit;
 176         }
 177
 178         pir_rcv_new_pir(sa, p_physp, p_ctxt, cl_hton16(base_lid_ho));
 179
 180 Exit:
 181         OSM_LOG_EXIT(sa->p_log);
 182 }
 183
 184 static void sa_pir_check_physp(IN osm_sa_t * sa, IN const osm_physp_t * p_physp,
 185                                osm_pir_search_ctxt_t * p_ctxt)
 186 {
 187         const ib_portinfo_record_t *p_rcvd_rec;
 188         ib_net64_t comp_mask;
 189         const ib_port_info_t *p_comp_pi;
 190         const ib_port_info_t *p_pi;
 191         const osm_physp_t * p_physp0;
 192         ib_net32_t cap_mask;
 193
 194         OSM_LOG_ENTER(sa->p_log);
 195
 196         p_rcvd_rec = p_ctxt->p_rcvd_rec;
 197         comp_mask = p_ctxt->comp_mask;
 198         p_comp_pi = &p_rcvd_rec->port_info;
 199         p_pi = &p_physp->port_info;
 200
 201         osm_dump_port_info_v2(sa->p_log, osm_node_get_node_guid(p_physp->p_node),
 202                               p_physp->port_guid, p_physp->port_num,
 203                               &p_physp->port_info, FILE_ID, OSM_LOG_DEBUG);
 204
 205         /* We have to re-check the base_lid, since if the given
 206            base_lid in p_pi is zero - we are comparing on all ports. */
 207         if (comp_mask & IB_PIR_COMPMASK_BASELID) {
 208                 if (p_comp_pi->base_lid != p_pi->base_lid)
 209                         goto Exit;
 210         }
 211         if (comp_mask & IB_PIR_COMPMASK_MKEY) {
 212                 if (p_comp_pi->m_key != p_pi->m_key)
 213                         goto Exit;
 214         }
 215         if (comp_mask & IB_PIR_COMPMASK_GIDPRE) {
 216                 if (p_comp_pi->subnet_prefix != p_pi->subnet_prefix)
 217                         goto Exit;
 218         }
 219         if (comp_mask & IB_PIR_COMPMASK_SMLID) {
 220                 if (p_comp_pi->master_sm_base_lid != p_pi->master_sm_base_lid)
 221                         goto Exit;
 222         }
 223
 224         /* IBTA 1.2 errata provides support for bitwise compare if the bit 31
 225            of the attribute modifier of the Get/GetTable is set */
 226         if (comp_mask & IB_PIR_COMPMASK_CAPMASK) {
 227                 if (p_ctxt->is_enhanced_comp_mask) {
 228                         if ((p_comp_pi->capability_mask & p_pi->
 229                              capability_mask) != p_comp_pi->capability_mask)
 230                                 goto Exit;
 231                 } else {
 232                         if (p_comp_pi->capability_mask != p_pi->capability_mask)
 233                                 goto Exit;
 234                 }
 235         }
 236
 237         if (comp_mask & IB_PIR_COMPMASK_DIAGCODE) {
 238                 if (p_comp_pi->diag_code != p_pi->diag_code)
 239                         goto Exit;
 240         }
 241         if (comp_mask & IB_PIR_COMPMASK_MKEYLEASEPRD) {
 242                 if (p_comp_pi->m_key_lease_period != p_pi->m_key_lease_period)
 243                         goto Exit;
 244         }
 245         if (comp_mask & IB_PIR_COMPMASK_LOCALPORTNUM) {
 246                 if (p_comp_pi->local_port_num != p_pi->local_port_num)
 247                         goto Exit;
 248         }
 249         if (comp_mask & IB_PIR_COMPMASK_LNKWIDTHSUPPORT) {
 250                 if (p_comp_pi->link_width_supported !=
 251                     p_pi->link_width_supported)
 252                         goto Exit;
 253         }
 254         if (comp_mask & IB_PIR_COMPMASK_LNKWIDTHACTIVE) {
 255                 if (p_comp_pi->link_width_active != p_pi->link_width_active)
 256                         goto Exit;
 257         }
 258         if (comp_mask & IB_PIR_COMPMASK_LINKWIDTHENABLED) {
 259                 if (p_comp_pi->link_width_enabled != p_pi->link_width_enabled)
 260                         goto Exit;
 261         }
 262         if (comp_mask & IB_PIR_COMPMASK_LNKSPEEDSUPPORT) {
 263                 if (ib_port_info_get_link_speed_sup(p_comp_pi) !=
 264                     ib_port_info_get_link_speed_sup(p_pi))
 265                         goto Exit;
 266         }
 267         if (comp_mask & IB_PIR_COMPMASK_PORTSTATE) {
 268                 if (ib_port_info_get_port_state(p_comp_pi) !=
 269                     ib_port_info_get_port_state(p_pi))
 270                         goto Exit;
 271         }
 272         if (comp_mask & IB_PIR_COMPMASK_PORTPHYSTATE) {
 273                 if (ib_port_info_get_port_phys_state(p_comp_pi) !=
 274                     ib_port_info_get_port_phys_state(p_pi))
 275                         goto Exit;
 276         }
 277         if (comp_mask & IB_PIR_COMPMASK_LINKDWNDFLTSTATE) {
 278                 if (ib_port_info_get_link_down_def_state(p_comp_pi) !=
 279                     ib_port_info_get_link_down_def_state(p_pi))
 280                         goto Exit;
 281         }
 282         if (comp_mask & IB_PIR_COMPMASK_MKEYPROTBITS) {
 283                 if (ib_port_info_get_mpb(p_comp_pi) !=
 284                     ib_port_info_get_mpb(p_pi))
 285                         goto Exit;
 286         }
 287         if (comp_mask & IB_PIR_COMPMASK_LMC) {
 288                 if (ib_port_info_get_lmc(p_comp_pi) !=
 289                     ib_port_info_get_lmc(p_pi))
 290                         goto Exit;
 291         }
 292         if (comp_mask & IB_PIR_COMPMASK_LINKSPEEDACTIVE) {
 293                 if (ib_port_info_get_link_speed_active(p_comp_pi) !=
 294                     ib_port_info_get_link_speed_active(p_pi))
 295                         goto Exit;
 296         }
 297         if (comp_mask & IB_PIR_COMPMASK_LINKSPEEDENABLE) {
 298                 if (ib_port_info_get_link_speed_enabled(p_comp_pi) !=
 299                     ib_port_info_get_link_speed_enabled(p_pi))
 300                         goto Exit;
 301         }
 302         if (comp_mask & IB_PIR_COMPMASK_NEIGHBORMTU) {
 303                 if (ib_port_info_get_neighbor_mtu(p_comp_pi) !=
 304                     ib_port_info_get_neighbor_mtu(p_pi))
 305                         goto Exit;
 306         }
 307         if (comp_mask & IB_PIR_COMPMASK_MASTERSMSL) {
 308                 if (ib_port_info_get_master_smsl(p_comp_pi) !=
 309                     ib_port_info_get_master_smsl(p_pi))
 310                         goto Exit;
 311         }
 312         if (comp_mask & IB_PIR_COMPMASK_VLCAP) {
 313                 if (ib_port_info_get_vl_cap(p_comp_pi) !=
 314                     ib_port_info_get_vl_cap(p_pi))
 315                         goto Exit;
 316         }
 317         if (comp_mask & IB_PIR_COMPMASK_INITTYPE) {
 318                 if (ib_port_info_get_init_type(p_comp_pi) !=
 319                     ib_port_info_get_init_type(p_pi))
 320                         goto Exit;
 321         }
 322         if (comp_mask & IB_PIR_COMPMASK_VLHIGHLIMIT) {
 323                 if (p_comp_pi->vl_high_limit != p_pi->vl_high_limit)
 324                         goto Exit;
 325         }
 326         if (comp_mask & IB_PIR_COMPMASK_VLARBHIGHCAP) {
 327                 if (p_comp_pi->vl_arb_high_cap != p_pi->vl_arb_high_cap)
 328                         goto Exit;
 329         }
 330         if (comp_mask & IB_PIR_COMPMASK_VLARBLOWCAP) {
 331                 if (p_comp_pi->vl_arb_low_cap != p_pi->vl_arb_low_cap)
 332                         goto Exit;
 333         }
 334         if (comp_mask & IB_PIR_COMPMASK_MTUCAP) {
 335                 if (ib_port_info_get_mtu_cap(p_comp_pi) !=
 336                     ib_port_info_get_mtu_cap(p_pi))
 337                         goto Exit;
 338         }
 339         if (comp_mask & IB_PIR_COMPMASK_VLSTALLCNT) {
 340                 if (ib_port_info_get_vl_stall_count(p_comp_pi) !=
 341                     ib_port_info_get_vl_stall_count(p_pi))
 342                         goto Exit;
 343         }
 344         if (comp_mask & IB_PIR_COMPMASK_HOQLIFE) {
 345                 if ((p_comp_pi->vl_stall_life & 0x1F) !=
 346                     (p_pi->vl_stall_life & 0x1F))
 347                         goto Exit;
 348         }
 349         if (comp_mask & IB_PIR_COMPMASK_OPVLS) {
 350                 if ((p_comp_pi->vl_enforce & 0xF0) != (p_pi->vl_enforce & 0xF0))
 351                         goto Exit;
 352         }
 353         if (comp_mask & IB_PIR_COMPMASK_PARENFIN) {
 354                 if ((p_comp_pi->vl_enforce & 0x08) != (p_pi->vl_enforce & 0x08))
 355                         goto Exit;
 356         }
 357         if (comp_mask & IB_PIR_COMPMASK_PARENFOUT) {
 358                 if ((p_comp_pi->vl_enforce & 0x04) != (p_pi->vl_enforce & 0x04))
 359                         goto Exit;
 360         }
 361         if (comp_mask & IB_PIR_COMPMASK_FILTERRAWIN) {
 362                 if ((p_comp_pi->vl_enforce & 0x02) != (p_pi->vl_enforce & 0x02))
 363                         goto Exit;
 364         }
 365         if (comp_mask & IB_PIR_COMPMASK_FILTERRAWOUT) {
 366                 if ((p_comp_pi->vl_enforce & 0x01) != (p_pi->vl_enforce & 0x01))
 367                         goto Exit;
 368         }
 369         if (comp_mask & IB_PIR_COMPMASK_MKEYVIO) {
 370                 if (p_comp_pi->m_key_violations != p_pi->m_key_violations)
 371                         goto Exit;
 372         }
 373         if (comp_mask & IB_PIR_COMPMASK_PKEYVIO) {
 374                 if (p_comp_pi->p_key_violations != p_pi->p_key_violations)
 375                         goto Exit;
 376         }
 377         if (comp_mask & IB_PIR_COMPMASK_QKEYVIO) {
 378                 if (p_comp_pi->q_key_violations != p_pi->q_key_violations)
 379                         goto Exit;
 380         }
 381         if (comp_mask & IB_PIR_COMPMASK_GUIDCAP) {
 382                 if (p_comp_pi->guid_cap != p_pi->guid_cap)
 383                         goto Exit;
 384         }
 385         if (comp_mask & IB_PIR_COMPMASK_SUBNTO) {
 386                 if (ib_port_info_get_timeout(p_comp_pi) !=
 387                     ib_port_info_get_timeout(p_pi))
 388                         goto Exit;
 389         }
 390         if (comp_mask & IB_PIR_COMPMASK_RESPTIME) {
 391                 if ((p_comp_pi->resp_time_value & 0x1F) !=
 392                     (p_pi->resp_time_value & 0x1F))
 393                         goto Exit;
 394         }
 395         if (comp_mask & IB_PIR_COMPMASK_LOCALPHYERR) {
 396                 if (ib_port_info_get_local_phy_err_thd(p_comp_pi) !=
 397                     ib_port_info_get_local_phy_err_thd(p_pi))
 398                         goto Exit;
 399         }
 400         if (comp_mask & IB_PIR_COMPMASK_OVERRUNERR) {
 401                 if (ib_port_info_get_overrun_err_thd(p_comp_pi) !=
 402                     ib_port_info_get_overrun_err_thd(p_pi))
 403                         goto Exit;
 404         }
 405
 406         /* IBTA 1.2 errata provides support for bitwise compare if the bit 31
 407            of the attribute modifier of the Get/GetTable is set */
 408         if (comp_mask & IB_PIR_COMPMASK_CAPMASK2) {
 409                 if (p_ctxt->is_enhanced_comp_mask) {
 410                         if ((cl_ntoh16(p_comp_pi->capability_mask2) &
 411                              cl_ntoh16(p_pi->capability_mask2)) !=
 412                              cl_ntoh16(p_comp_pi->capability_mask2))
 413                                 goto Exit;
 414                 } else {
 415                         if (cl_ntoh16(p_comp_pi->capability_mask2) !=
 416                             cl_ntoh16(p_pi->capability_mask2))
 417                                 goto Exit;
 418                 }
 419         }
 420         if (osm_node_get_type(p_physp->p_node) == IB_NODE_TYPE_SWITCH) {
 421                 p_physp0 = osm_node_get_physp_ptr(p_physp->p_node, 0);
 422                 cap_mask = p_physp0->port_info.capability_mask;
 423         } else
 424                 cap_mask = p_pi->capability_mask;
 425         if (comp_mask & IB_PIR_COMPMASK_LINKSPDEXTACT) {
 426                 if (((cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) &&
 427                     (ib_port_info_get_link_speed_ext_active(p_comp_pi) !=
 428                      ib_port_info_get_link_speed_ext_active(p_pi)))
 429                         goto Exit;
 430         }
 431         if (comp_mask & IB_PIR_COMPMASK_LINKSPDEXTSUPP) {
 432                 if (((cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) &&
 433                     (ib_port_info_get_link_speed_ext_sup(p_comp_pi) !=
 434                      ib_port_info_get_link_speed_ext_sup(p_pi)))
 435                         goto Exit;
 436         }
 437         if (comp_mask & IB_PIR_COMPMASK_LINKSPDEXTENAB) {
 438                 if (((cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) &&
 439                     (ib_port_info_get_link_speed_ext_enabled(p_comp_pi) !=
 440                      ib_port_info_get_link_speed_ext_enabled(p_pi)))
 441                         goto Exit;
 442         }
 443         sa_pir_create(sa, p_physp, p_ctxt);
 444
 445 Exit:
 446         OSM_LOG_EXIT(sa->p_log);
 447 }
 448
 449 static void sa_pir_by_comp_mask(IN osm_sa_t * sa, IN osm_node_t * p_node,
 450                                 osm_pir_search_ctxt_t * p_ctxt)
 451 {
 452         const ib_portinfo_record_t *p_rcvd_rec;
 453         ib_net64_t comp_mask;
 454         const osm_physp_t *p_physp;
 455         uint8_t port_num;
 456         uint8_t num_ports;
 457         const osm_physp_t *p_req_physp;
 458
 459         OSM_LOG_ENTER(sa->p_log);
 460
 461         p_rcvd_rec = p_ctxt->p_rcvd_rec;
 462         comp_mask = p_ctxt->comp_mask;
 463         p_req_physp = p_ctxt->p_req_physp;
 464
 465         num_ports = osm_node_get_num_physp(p_node);
 466
 467         if (comp_mask & IB_PIR_COMPMASK_PORTNUM) {
 468                 if (p_rcvd_rec->port_num < num_ports) {
 469                         p_physp =
 470                             osm_node_get_physp_ptr(p_node,
 471                                                    p_rcvd_rec->port_num);
 472                         /* Check that the p_physp is valid, and that the
 473                            p_physp and the p_req_physp share a pkey. */
 474                         if (p_physp &&
 475                             osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp,
 476                                                  sa->p_subn->opt.allow_both_pkeys))
 477                                 sa_pir_check_physp(sa, p_physp, p_ctxt);
 478                 }
 479         } else {
 480                 for (port_num = 0; port_num < num_ports; port_num++) {
 481                         p_physp = osm_node_get_physp_ptr(p_node, port_num);
 482                         if (!p_physp)
 483                                 continue;
 484
 485                         /* if the requester and the p_physp don't share a pkey -
 486                            continue */
 487                         if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp,
 488                                                   sa->p_subn->opt.allow_both_pkeys))
 489                                 continue;
 490
 491                         sa_pir_check_physp(sa, p_physp, p_ctxt);
 492                 }
 493         }
 494
 495         OSM_LOG_EXIT(sa->p_log);
 496 }
 497
 498 static void sa_pir_by_comp_mask_cb(IN cl_map_item_t * p_map_item, IN void *cxt)
 499 {
 500         osm_node_t *p_node = (osm_node_t *) p_map_item;
 501         osm_pir_search_ctxt_t *p_ctxt = cxt;
 502
 503         sa_pir_by_comp_mask(p_ctxt->sa, p_node, p_ctxt);
 504 }
 505
 506 void osm_pir_rcv_process(IN void *ctx, IN void *data)
 507 {
 508         osm_sa_t *sa = ctx;
 509         osm_madw_t *p_madw = data;
 510         const ib_sa_mad_t *p_rcvd_mad;
 511         const ib_portinfo_record_t *p_rcvd_rec;
 512         const osm_port_t *p_port = NULL;
 513         cl_qlist_t rec_list;
 514         osm_pir_search_ctxt_t context;
 515         ib_net64_t comp_mask;
 516         osm_physp_t *p_req_physp;
 517
 518         CL_ASSERT(sa);
 519
 520         OSM_LOG_ENTER(sa->p_log);
 521
 522         CL_ASSERT(p_madw);
 523
 524         p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw);
 525         p_rcvd_rec =
 526             (ib_portinfo_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad);
 527         comp_mask = p_rcvd_mad->comp_mask;
 528
 529         CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_PORTINFO_RECORD);
 530
 531         /* we only support SubnAdmGet and SubnAdmGetTable methods */
 532         if (p_rcvd_mad->method != IB_MAD_METHOD_GET &&
 533             p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) {
 534                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2105: "
 535                         "Unsupported Method (%s) for PortInfoRecord request\n",
 536                         ib_get_sa_method_str(p_rcvd_mad->method));
 537                 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
 538                 goto Exit;
 539         }
 540
 541         cl_plock_acquire(sa->p_lock);
 542
 543         /* update the requester physical port */
 544         p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
 545                                                 osm_madw_get_mad_addr_ptr
 546                                                 (p_madw));
 547         if (p_req_physp == NULL) {
 548                 cl_plock_release(sa->p_lock);
 549                 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2104: "
 550                         "Cannot find requester physical port\n");
 551                 goto Exit;
 552         }
 553
 554         if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
 555                 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
 556                         "Requester port GUID 0x%" PRIx64 "\n",
 557                         cl_ntoh64(osm_physp_get_port_guid(p_req_physp)));
 558                 osm_dump_portinfo_record_v2(sa->p_log, p_rcvd_rec, FILE_ID, OSM_LOG_DEBUG);
 559         }
 560
 561         cl_qlist_init(&rec_list);
 562
 563         context.p_rcvd_rec = p_rcvd_rec;
 564         context.p_list = &rec_list;
 565         context.comp_mask = p_rcvd_mad->comp_mask;
 566         context.sa = sa;
 567         context.p_req_physp = p_req_physp;
 568         context.is_enhanced_comp_mask =
 569             cl_ntoh32(p_rcvd_mad->attr_mod) & (1 << 31);
 570
 571         /*
 572            If the user specified a LID, it obviously narrows our
 573            work load, since we don't have to search every port
 574          */
 575         if (comp_mask & (IB_PIR_COMPMASK_LID | IB_PIR_COMPMASK_BASELID)) {
 576                 p_port = osm_get_port_by_lid(sa->p_subn, p_rcvd_rec->lid);
 577                 if (p_port)
 578                         sa_pir_by_comp_mask(sa, p_port->p_node, &context);
 579                 else
 580                         OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2109: "
 581                                 "No port found with requested LID %u\n",
 582                                 cl_ntoh16(p_rcvd_rec->lid));
 583         } else
 584                 cl_qmap_apply_func(&sa->p_subn->node_guid_tbl,
 585                                    sa_pir_by_comp_mask_cb, &context);
 586
 587         cl_plock_release(sa->p_lock);
 588
 589         /*
 590            p922 - The M_Key returned shall be zero, except in the case of a
 591            trusted request.
 592            Note: In the mad controller we check that the SM_Key received on
 593            the mad is valid. Meaning - is either zero or equal to the local
 594            sm_key.
 595          */
 596         if (!p_rcvd_mad->sm_key) {
 597                 osm_sa_item_t *item;
 598                 for (item = (osm_sa_item_t *) cl_qlist_head(&rec_list);
 599                      item != (osm_sa_item_t *) cl_qlist_end(&rec_list);
 600                      item = (osm_sa_item_t *) cl_qlist_next(&item->list_item))
 601                         item->resp.port_rec.port_info.m_key = 0;
 602         }
 603
 604         osm_sa_respond(sa, p_madw, sizeof(ib_portinfo_record_t), &rec_list);
 605
 606 Exit:
 607         OSM_LOG_EXIT(sa->p_log);
 608 }