/*

 * 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.

 *

 */

#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_PKEY_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_pkey_rcv_process(IN void *context, IN void *data)

{

	osm_sm_t *sm = context;

	osm_madw_t *p_madw = data;

	ib_pkey_table_t *p_pkey_tbl;

	ib_smp_t *p_smp;

	osm_port_t *p_port;

	osm_physp_t *p_physp;

	osm_node_t *p_node;

	osm_pkey_context_t *p_context;

	ib_net64_t port_guid;

	ib_net64_t node_guid;

	uint8_t port_num;

	uint16_t 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_pkey_context_ptr(p_madw);

	p_pkey_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_P_KEY_TABLE);

	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 4806: "

			"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 = (uint16_t) ((cl_ntoh32(p_smp->attr_mod)) & 0x0000FFFF);

	/* 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)) & 0x00FF0000) >>

			       16);

		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(PKey) 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, "ERR 4807: "

			"Got invalid port number %u\n", port_num);

		goto Exit;

	}

	osm_dump_pkey_block_v2(sm->p_log, port_guid, block_num, port_num,

			       p_pkey_tbl, FILE_ID, OSM_LOG_DEBUG);

	osm_physp_set_pkey_tbl(sm->p_log, sm->p_subn,

			       p_physp, p_pkey_tbl, block_num,

			       p_context->set_method);

Exit:

	cl_plock_release(sm->p_lock);

Exit2:

	OSM_LOG_EXIT(sm->p_log);

}