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
nd_rcv_process_nd(IN osm_sm_t * sm,IN osm_node_t * p_node,IN const ib_node_desc_t * p_nd)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
osm_nd_rcv_process(IN void * context,IN void * data)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