/*
* Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
* Copyright (c) 2010 HNR Consulting. All rights reserved.
* Copyright (c) 2010 Sun Microsystems, Inc. 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_vla_rcv_t.
* This object represents the Vl Arbitration 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_passivelock.h>
#include <complib/cl_debug.h>
#include <opensm/osm_file_ids.h>
#define FILE_ID OSM_FILE_VL_ARB_RCV_C
#include <opensm/osm_madw.h>
#include <opensm/osm_log.h>
#include <opensm/osm_node.h>
#include <opensm/osm_subnet.h>
#include <opensm/osm_helper.h>
#include <opensm/osm_sm.h>
/*
* WE ONLY RECEIVE GET or SET responses
*/
void osm_vla_rcv_process(IN void *context, IN void *data)
{
osm_sm_t *sm = context;
osm_madw_t *p_madw = data;
ib_vl_arb_table_t *p_vla_tbl;
ib_smp_t *p_smp;
osm_port_t *p_port;
osm_physp_t *p_physp;
osm_node_t *p_node;
osm_vla_context_t *p_context;
ib_net64_t port_guid;
ib_net64_t node_guid;
uint8_t port_num, block_num;
CL_ASSERT(sm);
OSM_LOG_ENTER(sm->p_log);
CL_ASSERT(p_madw);
p_smp = osm_madw_get_smp_ptr(p_madw);
p_context = osm_madw_get_vla_context_ptr(p_madw);
p_vla_tbl = ib_smp_get_payload_ptr(p_smp);
port_guid = p_context->port_guid;
node_guid = p_context->node_guid;
CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_VL_ARBITRATION);
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 Exit2;
}
cl_plock_excl_acquire(sm->p_lock);
p_port = osm_get_port_by_guid(sm->p_subn, port_guid);
if (!p_port) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3F06: "
"No port object for port with GUID 0x%" PRIx64
"\n\t\t\t\tfor parent node GUID 0x%" PRIx64
", TID 0x%" PRIx64 "\n", cl_ntoh64(port_guid),
cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
goto Exit;
}
p_node = p_port->p_node;
CL_ASSERT(p_node);
block_num = (uint8_t) (cl_ntoh32(p_smp->attr_mod) >> 16);
/* in case of a non switch node the attr modifier should be ignored */
if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
port_num = (uint8_t) (cl_ntoh32(p_smp->attr_mod) & 0x000000FF);
p_physp = osm_node_get_physp_ptr(p_node, port_num);
} else {
p_physp = p_port->p_physp;
port_num = p_physp->port_num;
}
/*
We do not care if this is a result of a set or get -
all we want is to update the subnet.
*/
OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
"Got GetResp(VLArb) block:%u port_num %u with GUID 0x%"
PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%"
PRIx64 "\n", block_num, port_num, cl_ntoh64(port_guid),
cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
/*
Determine if we encountered a new Physical Port.
If so, Ignore it.
*/
if (!p_physp) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR,
"Got invalid port number %u\n", port_num);
goto Exit;
}
if ((block_num < 1) || (block_num > 4)) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR,
"Got invalid block number 0x%X\n", block_num);
goto Exit;
}
osm_dump_vl_arb_table_v2(sm->p_log, port_guid, block_num, port_num,
p_vla_tbl, FILE_ID, OSM_LOG_DEBUG);
osm_physp_set_vla_tbl(p_physp, p_vla_tbl, block_num);
Exit:
cl_plock_release(sm->p_lock);
Exit2:
OSM_LOG_EXIT(sm->p_log);
}