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