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_nr_rcv_t. 39 * This object represents the NodeInfo 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_debug.h> 50#include <complib/cl_qlist.h> 51#include <vendor/osm_vendor_api.h> 52#include <opensm/osm_node.h> 53#include <opensm/osm_helper.h> 54#include <opensm/osm_pkey.h> 55#include <opensm/osm_sa.h> 56 57typedef struct osm_nr_item { 58 cl_list_item_t list_item; 59 ib_node_record_t rec; 60} osm_nr_item_t; 61 62typedef struct osm_nr_search_ctxt { 63 const ib_node_record_t *p_rcvd_rec; 64 ib_net64_t comp_mask; 65 cl_qlist_t *p_list; 66 osm_sa_t *sa; 67 const osm_physp_t *p_req_physp; 68} osm_nr_search_ctxt_t; 69 70/********************************************************************** 71 **********************************************************************/ 72static ib_api_status_t 73__osm_nr_rcv_new_nr(IN osm_sa_t * sa, 74 IN const osm_node_t * const p_node, 75 IN cl_qlist_t * const p_list, 76 IN ib_net64_t const port_guid, IN ib_net16_t const lid) 77{ 78 osm_nr_item_t *p_rec_item; 79 ib_api_status_t status = IB_SUCCESS; 80 81 OSM_LOG_ENTER(sa->p_log); 82 83 p_rec_item = malloc(sizeof(*p_rec_item)); 84 if (p_rec_item == NULL) { 85 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1D02: " 86 "rec_item alloc failed\n"); 87 status = IB_INSUFFICIENT_RESOURCES; 88 goto Exit; 89 } 90 91 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 92 "New NodeRecord: node 0x%016" PRIx64 93 "\n\t\t\t\tport 0x%016" PRIx64 ", lid %u\n", 94 cl_ntoh64(osm_node_get_node_guid(p_node)), 95 cl_ntoh64(port_guid), cl_ntoh16(lid)); 96 97 memset(p_rec_item, 0, sizeof(*p_rec_item)); 98 99 p_rec_item->rec.lid = lid; 100 101 p_rec_item->rec.node_info = p_node->node_info; 102 p_rec_item->rec.node_info.port_guid = port_guid; 103 memcpy(&(p_rec_item->rec.node_desc), &(p_node->node_desc), 104 IB_NODE_DESCRIPTION_SIZE); 105 cl_qlist_insert_tail(p_list, &p_rec_item->list_item); 106 107Exit: 108 OSM_LOG_EXIT(sa->p_log); 109 return (status); 110} 111 112/********************************************************************** 113 **********************************************************************/ 114static void 115__osm_nr_rcv_create_nr(IN osm_sa_t * sa, 116 IN osm_node_t * const p_node, 117 IN cl_qlist_t * const p_list, 118 IN ib_net64_t const match_port_guid, 119 IN ib_net16_t const match_lid, 120 IN const osm_physp_t * const p_req_physp) 121{ 122 const osm_physp_t *p_physp; 123 uint8_t port_num; 124 uint8_t num_ports; 125 uint16_t match_lid_ho; 126 ib_net16_t base_lid; 127 ib_net16_t base_lid_ho; 128 ib_net16_t max_lid_ho; 129 uint8_t lmc; 130 ib_net64_t port_guid; 131 132 OSM_LOG_ENTER(sa->p_log); 133 134 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 135 "Looking for NodeRecord with LID: %u GUID:0x%016" 136 PRIx64 "\n", cl_ntoh16(match_lid), 137 cl_ntoh64(match_port_guid)); 138 139 /* 140 For switches, do not return the NodeInfo record 141 for each port on the switch, just for port 0. 142 */ 143 if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) 144 num_ports = 1; 145 else 146 num_ports = osm_node_get_num_physp(p_node); 147 148 for (port_num = 0; port_num < num_ports; port_num++) { 149 p_physp = osm_node_get_physp_ptr(p_node, port_num); 150 if (!p_physp) 151 continue; 152 153 /* Check to see if the found p_physp and the requester physp 154 share a pkey. If not - continue */ 155 if (!osm_physp_share_pkey(sa->p_log, p_physp, p_req_physp)) 156 continue; 157 158 port_guid = osm_physp_get_port_guid(p_physp); 159 160 if (match_port_guid && (port_guid != match_port_guid)) 161 continue; 162 163 base_lid = osm_physp_get_base_lid(p_physp); 164 base_lid_ho = cl_ntoh16(base_lid); 165 lmc = osm_physp_get_lmc(p_physp); 166 max_lid_ho = (uint16_t) (base_lid_ho + (1 << lmc) - 1); 167 match_lid_ho = cl_ntoh16(match_lid); 168 169 if (match_lid_ho) { 170 /* 171 We validate that the lid belongs to this node. 172 */ 173 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 174 "Comparing LID: %u <= %u <= %u\n", 175 base_lid_ho, match_lid_ho, max_lid_ho); 176 177 if (match_lid_ho < base_lid_ho 178 || match_lid_ho > max_lid_ho) 179 continue; 180 } 181 182 __osm_nr_rcv_new_nr(sa, p_node, p_list, port_guid, base_lid); 183 184 } 185 186 OSM_LOG_EXIT(sa->p_log); 187} 188 189/********************************************************************** 190 **********************************************************************/ 191static void 192__osm_nr_rcv_by_comp_mask(IN cl_map_item_t * const p_map_item, IN void *context) 193{ 194 const osm_nr_search_ctxt_t *const p_ctxt = 195 (osm_nr_search_ctxt_t *) context; 196 osm_node_t *const p_node = (osm_node_t *) p_map_item; 197 const ib_node_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec; 198 const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp; 199 osm_sa_t *sa = p_ctxt->sa; 200 ib_net64_t const comp_mask = p_ctxt->comp_mask; 201 ib_net64_t match_port_guid = 0; 202 ib_net16_t match_lid = 0; 203 204 OSM_LOG_ENTER(p_ctxt->sa->p_log); 205 206 osm_dump_node_info(p_ctxt->sa->p_log, 207 &p_node->node_info, OSM_LOG_VERBOSE); 208 209 if (comp_mask & IB_NR_COMPMASK_LID) 210 match_lid = p_rcvd_rec->lid; 211 212 if (comp_mask & IB_NR_COMPMASK_NODEGUID) { 213 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 214 "Looking for node 0x%016" PRIx64 215 ", found 0x%016" PRIx64 "\n", 216 cl_ntoh64(p_rcvd_rec->node_info.node_guid), 217 cl_ntoh64(osm_node_get_node_guid(p_node))); 218 219 if ((p_node->node_info.node_guid != 220 p_rcvd_rec->node_info.node_guid)) 221 goto Exit; 222 } 223 if (comp_mask & IB_NR_COMPMASK_PORTGUID) { 224 match_port_guid = p_rcvd_rec->node_info.port_guid; 225 } 226 if (comp_mask & IB_NR_COMPMASK_SYSIMAGEGUID) { 227 if ((p_node->node_info.sys_guid != 228 p_rcvd_rec->node_info.sys_guid)) 229 goto Exit; 230 } 231 if (comp_mask & IB_NR_COMPMASK_BASEVERSION) { 232 if ((p_node->node_info.base_version != 233 p_rcvd_rec->node_info.base_version)) 234 goto Exit; 235 } 236 if (comp_mask & IB_NR_COMPMASK_CLASSVERSION) { 237 if ((p_node->node_info.class_version != 238 p_rcvd_rec->node_info.class_version)) 239 goto Exit; 240 } 241 if (comp_mask & IB_NR_COMPMASK_NODETYPE) { 242 if ((p_node->node_info.node_type != 243 p_rcvd_rec->node_info.node_type)) 244 goto Exit; 245 } 246 if (comp_mask & IB_NR_COMPMASK_NUMPORTS) { 247 if ((p_node->node_info.num_ports != 248 p_rcvd_rec->node_info.num_ports)) 249 goto Exit; 250 } 251 if (comp_mask & IB_NR_COMPMASK_PARTCAP) { 252 if ((p_node->node_info.partition_cap != 253 p_rcvd_rec->node_info.partition_cap)) 254 goto Exit; 255 } 256 if (comp_mask & IB_NR_COMPMASK_DEVID) { 257 if ((p_node->node_info.device_id != 258 p_rcvd_rec->node_info.device_id)) 259 goto Exit; 260 } 261 if (comp_mask & IB_NR_COMPMASK_REV) { 262 if ((p_node->node_info.revision != 263 p_rcvd_rec->node_info.revision)) 264 goto Exit; 265 } 266 if (comp_mask & IB_NR_COMPMASK_PORTNUM) { 267 if (ib_node_info_get_local_port_num(&p_node->node_info) != 268 ib_node_info_get_local_port_num(&p_rcvd_rec->node_info)) 269 goto Exit; 270 } 271 if (comp_mask & IB_NR_COMPMASK_VENDID) { 272 if (ib_node_info_get_vendor_id(&p_node->node_info) != 273 ib_node_info_get_vendor_id(&p_rcvd_rec->node_info)) 274 goto Exit; 275 } 276 if (comp_mask & IB_NR_COMPMASK_NODEDESC) { 277 if (strncmp((char *)&p_node->node_desc, 278 (char *)&p_rcvd_rec->node_desc, 279 sizeof(ib_node_desc_t))) 280 goto Exit; 281 } 282 283 __osm_nr_rcv_create_nr(sa, p_node, p_ctxt->p_list, 284 match_port_guid, match_lid, p_req_physp); 285 286Exit: 287 OSM_LOG_EXIT(p_ctxt->sa->p_log); 288} 289 290/********************************************************************** 291 **********************************************************************/ 292void osm_nr_rcv_process(IN void *ctx, IN void *data) 293{ 294 osm_sa_t *sa = ctx; 295 osm_madw_t *p_madw = data; 296 const ib_sa_mad_t *p_rcvd_mad; 297 const ib_node_record_t *p_rcvd_rec; 298 cl_qlist_t rec_list; 299 osm_nr_search_ctxt_t context; 300 osm_physp_t *p_req_physp; 301 302 CL_ASSERT(sa); 303 304 OSM_LOG_ENTER(sa->p_log); 305 306 CL_ASSERT(p_madw); 307 308 p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw); 309 p_rcvd_rec = (ib_node_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad); 310 311 CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_NODE_RECORD); 312 313 /* we only support SubnAdmGet and SubnAdmGetTable methods */ 314 if (p_rcvd_mad->method != IB_MAD_METHOD_GET && 315 p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) { 316 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1D05: " 317 "Unsupported Method (%s)\n", 318 ib_get_sa_method_str(p_rcvd_mad->method)); 319 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR); 320 goto Exit; 321 } 322 323 /* update the requester physical port. */ 324 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn, 325 osm_madw_get_mad_addr_ptr 326 (p_madw)); 327 if (p_req_physp == NULL) { 328 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1D04: " 329 "Cannot find requester physical port\n"); 330 goto Exit; 331 } 332 333 if (osm_log_is_active(sa->p_log, OSM_LOG_DEBUG)) 334 osm_dump_node_record(sa->p_log, p_rcvd_rec, OSM_LOG_DEBUG); 335 336 cl_qlist_init(&rec_list); 337 338 context.p_rcvd_rec = p_rcvd_rec; 339 context.p_list = &rec_list; 340 context.comp_mask = p_rcvd_mad->comp_mask; 341 context.sa = sa; 342 context.p_req_physp = p_req_physp; 343 344 cl_plock_acquire(sa->p_lock); 345 346 cl_qmap_apply_func(&sa->p_subn->node_guid_tbl, 347 __osm_nr_rcv_by_comp_mask, &context); 348 349 cl_plock_release(sa->p_lock); 350 351 osm_sa_respond(sa, p_madw, sizeof(ib_node_record_t), &rec_list); 352 353Exit: 354 OSM_LOG_EXIT(sa->p_log); 355} 356