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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 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) 2010 HNR Consulting. All rights reserved.
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* Copyright (c) 2010 Sun Microsystems, Inc. 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_vla_rcv_t.
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* This object represents the Vl Arbitration 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_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_VL_ARB_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_subnet.h>
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#include <opensm/osm_helper.h>
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#include <opensm/osm_sm.h>
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/*
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* WE ONLY RECEIVE GET or SET responses
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*/
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void osm_vla_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_vl_arb_table_t *p_vla_tbl;
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ib_smp_t *p_smp;
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osm_port_t *p_port;
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osm_physp_t *p_physp;
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osm_node_t *p_node;
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osm_vla_context_t *p_context;
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ib_net64_t port_guid;
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ib_net64_t node_guid;
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uint8_t port_num, block_num;
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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_context = osm_madw_get_vla_context_ptr(p_madw);
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p_vla_tbl = ib_smp_get_payload_ptr(p_smp);
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port_guid = p_context->port_guid;
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node_guid = p_context->node_guid;
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CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_VL_ARBITRATION);
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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 Exit2;
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}
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cl_plock_excl_acquire(sm->p_lock);
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p_port = osm_get_port_by_guid(sm->p_subn, port_guid);
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if (!p_port) {
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OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3F06: "
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"No port object for port with GUID 0x%" PRIx64
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"\n\t\t\t\tfor parent node GUID 0x%" PRIx64
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", TID 0x%" PRIx64 "\n", cl_ntoh64(port_guid),
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cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
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goto Exit;
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}
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p_node = p_port->p_node;
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CL_ASSERT(p_node);
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block_num = (uint8_t) (cl_ntoh32(p_smp->attr_mod) >> 16);
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/* in case of a non switch node the attr modifier should be ignored */
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if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
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port_num = (uint8_t) (cl_ntoh32(p_smp->attr_mod) & 0x000000FF);
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p_physp = osm_node_get_physp_ptr(p_node, port_num);
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} else {
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p_physp = p_port->p_physp;
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port_num = p_physp->port_num;
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}
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/*
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We do not care if this is a result of a set or get -
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all we want is to update the subnet.
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*/
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OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
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"Got GetResp(VLArb) block:%u port_num %u with GUID 0x%"
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PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%"
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PRIx64 "\n", block_num, port_num, cl_ntoh64(port_guid),
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cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
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/*
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Determine if we encountered a new Physical Port.
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If so, Ignore it.
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*/
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if (!p_physp) {
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OSM_LOG(sm->p_log, OSM_LOG_ERROR,
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"Got invalid port number %u\n", port_num);
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goto Exit;
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}
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if ((block_num < 1) || (block_num > 4)) {
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OSM_LOG(sm->p_log, OSM_LOG_ERROR,
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"Got invalid block number 0x%X\n", block_num);
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goto Exit;
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}
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osm_dump_vl_arb_table_v2(sm->p_log, port_guid, block_num, port_num,
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p_vla_tbl, FILE_ID, OSM_LOG_DEBUG);
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osm_physp_set_vla_tbl(p_physp, p_vla_tbl, block_num);
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Exit:
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cl_plock_release(sm->p_lock);
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Exit2:
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OSM_LOG_EXIT(sm->p_log);
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}
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