/*
* 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.
*
* 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_resp_t.
* This object represents the generic attribute responder.
* 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_debug.h>
#include <opensm/osm_file_ids.h>
#define FILE_ID OSM_FILE_RESP_C
#include <opensm/osm_madw.h>
#include <opensm/osm_log.h>
#include <opensm/osm_helper.h>
#include <opensm/osm_mad_pool.h>
#include <opensm/osm_vl15intf.h>
#include <opensm/osm_msgdef.h>
#include <opensm/osm_opensm.h>
static void resp_make_resp_smp(IN osm_sm_t * sm, IN const ib_smp_t * p_src_smp,
IN ib_net16_t status,
IN const uint8_t * p_payload,
OUT ib_smp_t * p_dest_smp)
{
OSM_LOG_ENTER(sm->p_log);
CL_ASSERT(p_dest_smp);
CL_ASSERT(p_src_smp);
CL_ASSERT(!ib_smp_is_response(p_src_smp));
*p_dest_smp = *p_src_smp;
if (p_src_smp->method == IB_MAD_METHOD_GET ||
p_src_smp->method == IB_MAD_METHOD_SET) {
p_dest_smp->method = IB_MAD_METHOD_GET_RESP;
p_dest_smp->status = status;
} else if (p_src_smp->method == IB_MAD_METHOD_TRAP) {
p_dest_smp->method = IB_MAD_METHOD_TRAP_REPRESS;
p_dest_smp->status = 0;
} else {
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 1302: "
"src smp method unsupported 0x%X\n", p_src_smp->method);
goto Exit;
}
if (p_src_smp->mgmt_class == IB_MCLASS_SUBN_DIR)
p_dest_smp->status |= IB_SMP_DIRECTION;
memcpy(&p_dest_smp->data, p_payload, IB_SMP_DATA_SIZE);
Exit:
OSM_LOG_EXIT(sm->p_log);
}
ib_api_status_t osm_resp_send(IN osm_sm_t * sm,
IN const osm_madw_t * p_req_madw,
IN ib_net16_t mad_status,
IN const uint8_t * p_payload)
{
const ib_smp_t *p_req_smp;
ib_smp_t *p_smp;
osm_madw_t *p_madw;
ib_api_status_t status = IB_SUCCESS;
OSM_LOG_ENTER(sm->p_log);
CL_ASSERT(p_req_madw);
CL_ASSERT(p_payload);
/* do nothing if we are exiting ... */
if (osm_exit_flag)
goto Exit;
p_madw = osm_mad_pool_get(sm->p_mad_pool,
osm_madw_get_bind_handle(p_req_madw),
MAD_BLOCK_SIZE, NULL);
if (p_madw == NULL) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR,
"ERR 1301: Unable to acquire MAD\n");
status = IB_INSUFFICIENT_RESOURCES;
goto Exit;
}
/*
Copy the request smp to the response smp, then just
update the necessary fields.
*/
p_smp = osm_madw_get_smp_ptr(p_madw);
p_req_smp = osm_madw_get_smp_ptr(p_req_madw);
resp_make_resp_smp(sm, p_req_smp, mad_status, p_payload, p_smp);
p_madw->mad_addr.dest_lid =
p_req_madw->mad_addr.addr_type.smi.source_lid;
p_madw->mad_addr.addr_type.smi.source_lid =
p_req_madw->mad_addr.dest_lid;
p_madw->resp_expected = FALSE;
p_madw->fail_msg = CL_DISP_MSGID_NONE;
OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Responding to %s (0x%X)"
"\n\t\t\t\tattribute modifier 0x%X, TID 0x%" PRIx64 "\n",
ib_get_sm_attr_str(p_smp->attr_id), cl_ntoh16(p_smp->attr_id),
cl_ntoh32(p_smp->attr_mod), cl_ntoh64(p_smp->trans_id));
osm_vl15_post(sm->p_vl15, p_madw);
Exit:
OSM_LOG_EXIT(sm->p_log);
return status;
}