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