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_mtree_node_t.
39 * This file implements the Multicast Tree object.
40 */
41
42#if HAVE_CONFIG_H
43#  include <config.h>
44#endif				/* HAVE_CONFIG_H */
45
46#include <stdlib.h>
47#include <complib/cl_debug.h>
48#include <opensm/osm_mtree.h>
49
50/**********************************************************************
51 **********************************************************************/
52static void
53osm_mtree_node_init(IN osm_mtree_node_t * const p_mtn,
54		    IN const osm_switch_t * const p_sw)
55{
56	uint32_t i;
57
58	CL_ASSERT(p_mtn);
59	CL_ASSERT(p_sw);
60
61	memset(p_mtn, 0, sizeof(*p_mtn));
62
63	p_mtn->p_sw = (osm_switch_t *) p_sw;
64	p_mtn->max_children = p_sw->num_ports;
65
66	for (i = 0; i < p_mtn->max_children; i++)
67		p_mtn->child_array[i] = NULL;
68}
69
70/**********************************************************************
71 **********************************************************************/
72osm_mtree_node_t *osm_mtree_node_new(IN const osm_switch_t * const p_sw)
73{
74	osm_mtree_node_t *p_mtn;
75
76	p_mtn = malloc(sizeof(osm_mtree_node_t) +
77		       sizeof(void *) * (p_sw->num_ports - 1));
78
79	if (p_mtn != NULL)
80		osm_mtree_node_init(p_mtn, p_sw);
81
82	return (p_mtn);
83}
84
85/**********************************************************************
86 **********************************************************************/
87void osm_mtree_destroy(IN osm_mtree_node_t * p_mtn)
88{
89	uint32_t i;
90
91	if (p_mtn == NULL)
92		return;
93
94	if (p_mtn->child_array != NULL)
95		for (i = 0; i < p_mtn->max_children; i++)
96			if ((p_mtn->child_array[i] != NULL) &&
97			    (p_mtn->child_array[i] != OSM_MTREE_LEAF))
98				osm_mtree_destroy(p_mtn->child_array[i]);
99
100	free(p_mtn);
101}
102
103/**********************************************************************
104 **********************************************************************/
105#if 0
106static void __osm_mtree_dump(IN osm_mtree_node_t * p_mtn)
107{
108	uint32_t i;
109
110	if (p_mtn == NULL)
111		return;
112
113	printf("GUID:0x%016" PRIx64 " max_children:%u\n",
114	       cl_ntoh64(p_mtn->p_sw->p_node->node_info.node_guid),
115	       p_mtn->max_children);
116	if (p_mtn->child_array != NULL) {
117		for (i = 0; i < p_mtn->max_children; i++) {
118			printf("i=%d\n", i);
119			if ((p_mtn->child_array[i] != NULL)
120			    && (p_mtn->child_array[i] != OSM_MTREE_LEAF))
121				__osm_mtree_dump(p_mtn->child_array[i]);
122		}
123	}
124}
125#endif
126