1/*
2 * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36/*
37 * Abstract:
38 *    Implementation of osm_lft_rcv_t.
39 * This object represents the NodeDescription Receiver object.
40 * This object is part of the opensm family of objects.
41 */
42
43#if HAVE_CONFIG_H
44#  include <config.h>
45#endif				/* HAVE_CONFIG_H */
46
47#include <string.h>
48#include <complib/cl_debug.h>
49#include <opensm/osm_switch.h>
50#include <opensm/osm_sm.h>
51
52/**********************************************************************
53 **********************************************************************/
54void osm_lft_rcv_process(IN void *context, IN void *data)
55{
56	osm_sm_t *sm = context;
57	osm_madw_t *p_madw = data;
58	ib_smp_t *p_smp;
59	uint32_t block_num;
60	osm_switch_t *p_sw;
61	osm_lft_context_t *p_lft_context;
62	uint8_t *p_block;
63	ib_net64_t node_guid;
64	ib_api_status_t status;
65
66	CL_ASSERT(sm);
67
68	OSM_LOG_ENTER(sm->p_log);
69
70	CL_ASSERT(p_madw);
71
72	p_smp = osm_madw_get_smp_ptr(p_madw);
73	p_block = (uint8_t *) ib_smp_get_payload_ptr(p_smp);
74	block_num = cl_ntoh32(p_smp->attr_mod);
75
76	/*
77	   Acquire the switch object for this switch.
78	 */
79	p_lft_context = osm_madw_get_lft_context_ptr(p_madw);
80	node_guid = p_lft_context->node_guid;
81
82	CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
83	p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid);
84
85	if (!p_sw) {
86		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0401: "
87			"LFT received for nonexistent node "
88			"0x%" PRIx64 "\n", cl_ntoh64(node_guid));
89	} else {
90		status = osm_switch_set_lft_block(p_sw, p_block, block_num);
91		if (status != IB_SUCCESS) {
92			OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0402: "
93				"Setting forwarding table block failed (%s)"
94				"\n\t\t\t\tSwitch 0x%" PRIx64 "\n",
95				ib_get_err_str(status), cl_ntoh64(node_guid));
96		}
97	}
98
99	CL_PLOCK_RELEASE(sm->p_lock);
100	OSM_LOG_EXIT(sm->p_log);
101}
102