/*
* Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005,2008 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
* Copyright (c) 2009 Sun Microsystems, Inc. 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_lft_rcv_t.
* This object represents the Linear Forwarding Table 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 <complib/cl_debug.h>
#include <opensm/osm_file_ids.h>
#define FILE_ID OSM_FILE_LIN_FWD_RCV_C
#include <opensm/osm_switch.h>
#include <opensm/osm_sm.h>
#include <opensm/osm_event_plugin.h>
#include <opensm/osm_opensm.h>
void osm_lft_rcv_process(IN void *context, IN void *data)
{
osm_sm_t *sm = context;
osm_madw_t *p_madw = data;
ib_smp_t *p_smp;
uint32_t block_num;
osm_switch_t *p_sw;
osm_lft_context_t *p_lft_context;
uint8_t *p_block;
ib_net64_t node_guid;
osm_epi_lft_change_event_t lft_change;
ib_api_status_t status;
CL_ASSERT(sm);
OSM_LOG_ENTER(sm->p_log);
CL_ASSERT(p_madw);
p_smp = osm_madw_get_smp_ptr(p_madw);
p_block = ib_smp_get_payload_ptr(p_smp);
block_num = cl_ntoh32(p_smp->attr_mod);
/*
Acquire the switch object for this switch.
*/
p_lft_context = osm_madw_get_lft_context_ptr(p_madw);
node_guid = p_lft_context->node_guid;
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;
}
CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid);
if (!p_sw) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0401: "
"LFT received for nonexistent node "
"0x%" PRIx64 "\n", cl_ntoh64(node_guid));
} else {
status = osm_switch_set_lft_block(p_sw, p_block, block_num);
if (status == IB_SUCCESS) {
if (sm->p_subn->first_time_master_sweep == FALSE) {
lft_change.p_sw = p_sw;
lft_change.flags = LFT_CHANGED_BLOCK;
lft_change.lft_top = 0;
lft_change.block_num = block_num;
osm_opensm_report_event(sm->p_subn->p_osm,
OSM_EVENT_ID_LFT_CHANGE,
&lft_change);
}
} else {
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0402: "
"Setting forwarding table block %u failed (%s)"
", Switch 0x%" PRIx64 " %s\n", block_num,
ib_get_err_str(status), cl_ntoh64(node_guid),
p_sw->p_node->print_desc);
}
}
CL_PLOCK_RELEASE(sm->p_lock);
Exit:
OSM_LOG_EXIT(sm->p_log);
}