/*

 * Copyright (c) 2011 Mellanox Technologies LTD. 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_mlnx_epi_rcv_t.

 * This object represents the MLNX ExtendedPortInfo 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 <stdlib.h>

#include <iba/ib_types.h>

#include <complib/cl_qmap.h>

#include <complib/cl_passivelock.h>

#include <complib/cl_debug.h>

#include <opensm/osm_file_ids.h>

#define FILE_ID OSM_FILE_MLNX_EXT_PORT_INFO_RCV_C

#include <vendor/osm_vendor_api.h>

#include <opensm/osm_madw.h>

#include <opensm/osm_log.h>

#include <opensm/osm_node.h>

#include <opensm/osm_subnet.h>

#include <opensm/osm_mad_pool.h>

#include <opensm/osm_msgdef.h>

#include <opensm/osm_helper.h>

#include <opensm/osm_opensm.h>

void osm_mlnx_epi_rcv_process(IN void *context, IN void *data)

{

	osm_sm_t *sm = context;

	osm_madw_t *p_madw = data;

	ib_mlnx_ext_port_info_t *p_pi;

	ib_smp_t *p_smp;

	osm_port_t *p_port;

	osm_physp_t *p_physp;

	osm_node_t *p_node;

	osm_pi_context_t *p_context;

	ib_net64_t port_guid, node_guid;

	uint8_t port_num, portnum, start_port = 1;

	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_pi_context_ptr(p_madw);

	p_pi = ib_smp_get_payload_ptr(p_smp);

	CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_MLNX_EXTENDED_PORT_INFO);

	port_num = (uint8_t) cl_ntoh32(p_smp->attr_mod);

	port_guid = p_context->port_guid;

	node_guid = p_context->node_guid;

	osm_dump_mlnx_ext_port_info_v2(sm->p_log, node_guid, port_guid, port_num,

				       p_pi, FILE_ID, OSM_LOG_DEBUG);

	CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);

	p_port = osm_get_port_by_guid(sm->p_subn, port_guid);

	if (!p_port) {

		CL_PLOCK_RELEASE(sm->p_lock);

		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0F06: "

			"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);

	if (!(cl_ntoh16(p_smp->status) & 0x7fff)) {

		if (port_num != 255) {

			p_physp = osm_node_get_physp_ptr(p_node, port_num);

			CL_ASSERT(p_physp);

			p_physp->ext_port_info = *p_pi;

		} else {

			/* Handle all ports on set/set resp */

			if (p_node->sw &&

			    ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info))

				start_port = 0;

			for (portnum = start_port;

			     portnum < osm_node_get_num_physp(p_node);

			     portnum++) {

				p_physp = osm_node_get_physp_ptr(p_node, portnum);

				CL_ASSERT(p_physp);

				p_physp->ext_port_info = *p_pi;

			}

		}

	} else

		OSM_LOG(sm->p_log, OSM_LOG_DEBUG,

			"MAD status 0x%x received\n",

			cl_ntoh16(p_smp->status) & 0x7fff);

	CL_PLOCK_RELEASE(sm->p_lock);

Exit:

	/*

	   Release the lock before jumping here!!

	 */

	OSM_LOG_EXIT(sm->p_log);

}