1 /* 2 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved. 3 * Copyright (c) 2002-2007 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_nd_rcv_t. 40 * This object represents the NodeDescription 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 <opensm/osm_file_ids.h> 54 #define FILE_ID OSM_FILE_NODE_DESC_RCV_C 55 #include <opensm/osm_madw.h> 56 #include <opensm/osm_log.h> 57 #include <opensm/osm_node.h> 58 #include <opensm/osm_opensm.h> 59 #include <opensm/osm_subnet.h> 60 61 static void nd_rcv_process_nd(IN osm_sm_t * sm, IN osm_node_t * p_node, 62 IN const ib_node_desc_t * p_nd) 63 { 64 char *tmp_desc; 65 char print_desc[IB_NODE_DESCRIPTION_SIZE + 1]; 66 67 OSM_LOG_ENTER(sm->p_log); 68 69 memcpy(&p_node->node_desc.description, p_nd, sizeof(*p_nd)); 70 71 /* also set up a printable version */ 72 memcpy(print_desc, p_nd, sizeof(*p_nd)); 73 print_desc[IB_NODE_DESCRIPTION_SIZE] = '\0'; 74 tmp_desc = remap_node_name(sm->p_subn->p_osm->node_name_map, 75 cl_ntoh64(osm_node_get_node_guid(p_node)), 76 print_desc); 77 78 /* make a copy for this node to "own" */ 79 if (p_node->print_desc) 80 free(p_node->print_desc); 81 p_node->print_desc = tmp_desc; 82 83 #ifdef ENABLE_OSM_PERF_MGR 84 /* update the perfmgr entry if available */ 85 osm_perfmgr_update_nodename(&sm->p_subn->p_osm->perfmgr, 86 cl_ntoh64(osm_node_get_node_guid(p_node)), 87 p_node->print_desc); 88 #endif /* ENABLE_OSM_PERF_MGR */ 89 90 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE, 91 "Node 0x%" PRIx64 ", Description = %s\n", 92 cl_ntoh64(osm_node_get_node_guid(p_node)), p_node->print_desc); 93 94 OSM_LOG_EXIT(sm->p_log); 95 } 96 97 void osm_nd_rcv_process(IN void *context, IN void *data) 98 { 99 osm_sm_t *sm = context; 100 osm_madw_t *p_madw = data; 101 ib_node_desc_t *p_nd; 102 ib_smp_t *p_smp; 103 osm_node_t *p_node; 104 ib_net64_t node_guid; 105 106 CL_ASSERT(sm); 107 108 OSM_LOG_ENTER(sm->p_log); 109 110 CL_ASSERT(p_madw); 111 112 p_smp = osm_madw_get_smp_ptr(p_madw); 113 if (ib_smp_get_status(p_smp)) { 114 OSM_LOG(sm->p_log, OSM_LOG_DEBUG, 115 "MAD status 0x%x received\n", 116 cl_ntoh16(ib_smp_get_status(p_smp))); 117 goto Exit; 118 } 119 120 p_nd = ib_smp_get_payload_ptr(p_smp); 121 122 /* Acquire the node object and add the node description. */ 123 node_guid = osm_madw_get_nd_context_ptr(p_madw)->node_guid; 124 CL_PLOCK_EXCL_ACQUIRE(sm->p_lock); 125 p_node = osm_get_node_by_guid(sm->p_subn, node_guid); 126 if (!p_node) 127 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0B01: " 128 "NodeDescription received for nonexistent node " 129 "0x%" PRIx64 "\n", cl_ntoh64(node_guid)); 130 else 131 nd_rcv_process_nd(sm, p_node, p_nd); 132 133 CL_PLOCK_RELEASE(sm->p_lock); 134 Exit: 135 OSM_LOG_EXIT(sm->p_log); 136 } 137