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/*
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* Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
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* Copyright (c) 2002-2007 Mellanox Technologies LTD. All rights reserved.
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* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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/*
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* Abstract:
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* Implementation of osm_nd_rcv_t.
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* This object represents the NodeDescription Receiver object.
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* This object is part of the opensm family of objects.
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <string.h>
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#include <iba/ib_types.h>
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#include <complib/cl_qmap.h>
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#include <complib/cl_passivelock.h>
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#include <complib/cl_debug.h>
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#include <opensm/osm_file_ids.h>
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#define FILE_ID OSM_FILE_NODE_DESC_RCV_C
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#include <opensm/osm_madw.h>
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#include <opensm/osm_log.h>
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#include <opensm/osm_node.h>
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#include <opensm/osm_opensm.h>
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#include <opensm/osm_subnet.h>
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static void nd_rcv_process_nd(IN osm_sm_t * sm, IN osm_node_t * p_node,
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IN const ib_node_desc_t * p_nd)
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{
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char *tmp_desc;
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char print_desc[IB_NODE_DESCRIPTION_SIZE + 1];
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OSM_LOG_ENTER(sm->p_log);
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memcpy(&p_node->node_desc.description, p_nd, sizeof(*p_nd));
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/* also set up a printable version */
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memcpy(print_desc, p_nd, sizeof(*p_nd));
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print_desc[IB_NODE_DESCRIPTION_SIZE] = '\0';
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tmp_desc = remap_node_name(sm->p_subn->p_osm->node_name_map,
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cl_ntoh64(osm_node_get_node_guid(p_node)),
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print_desc);
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/* make a copy for this node to "own" */
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if (p_node->print_desc)
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free(p_node->print_desc);
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p_node->print_desc = tmp_desc;
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#ifdef ENABLE_OSM_PERF_MGR
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/* update the perfmgr entry if available */
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osm_perfmgr_update_nodename(&sm->p_subn->p_osm->perfmgr,
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cl_ntoh64(osm_node_get_node_guid(p_node)),
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p_node->print_desc);
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#endif /* ENABLE_OSM_PERF_MGR */
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OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
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"Node 0x%" PRIx64 ", Description = %s\n",
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cl_ntoh64(osm_node_get_node_guid(p_node)), p_node->print_desc);
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OSM_LOG_EXIT(sm->p_log);
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}
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void osm_nd_rcv_process(IN void *context, IN void *data)
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{
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osm_sm_t *sm = context;
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osm_madw_t *p_madw = data;
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ib_node_desc_t *p_nd;
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ib_smp_t *p_smp;
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osm_node_t *p_node;
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ib_net64_t node_guid;
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CL_ASSERT(sm);
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OSM_LOG_ENTER(sm->p_log);
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CL_ASSERT(p_madw);
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p_smp = osm_madw_get_smp_ptr(p_madw);
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if (ib_smp_get_status(p_smp)) {
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OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
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"MAD status 0x%x received\n",
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cl_ntoh16(ib_smp_get_status(p_smp)));
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goto Exit;
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}
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p_nd = ib_smp_get_payload_ptr(p_smp);
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/* Acquire the node object and add the node description. */
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node_guid = osm_madw_get_nd_context_ptr(p_madw)->node_guid;
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CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
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p_node = osm_get_node_by_guid(sm->p_subn, node_guid);
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if (!p_node)
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OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0B01: "
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"NodeDescription received for nonexistent node "
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"0x%" PRIx64 "\n", cl_ntoh64(node_guid));
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else
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nd_rcv_process_nd(sm, p_node, p_nd);
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CL_PLOCK_RELEASE(sm->p_lock);
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Exit:
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OSM_LOG_EXIT(sm->p_log);
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}
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