1 /*
2 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2006 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 <opensm/osm_file_ids.h>
48 #define FILE_ID OSM_FILE_MTREE_C
49 #include <complib/cl_debug.h>
50 #include <opensm/osm_mtree.h>
51
osm_mtree_node_new(IN const osm_switch_t * p_sw)52 osm_mtree_node_t *osm_mtree_node_new(IN const osm_switch_t * p_sw)
53 {
54 osm_mtree_node_t *p_mtn;
55 uint32_t i;
56
57 p_mtn = malloc(sizeof(osm_mtree_node_t) +
58 sizeof(void *) * (p_sw->num_ports - 1));
59 if (!p_mtn)
60 return NULL;
61
62 memset(p_mtn, 0, sizeof(*p_mtn));
63 p_mtn->p_sw = p_sw;
64 p_mtn->max_children = p_sw->num_ports;
65 for (i = 0; i < p_mtn->max_children; i++)
66 p_mtn->child_array[i] = NULL;
67
68 return p_mtn;
69 }
70
osm_mtree_destroy(IN osm_mtree_node_t * p_mtn)71 void osm_mtree_destroy(IN osm_mtree_node_t * p_mtn)
72 {
73 uint8_t i;
74
75 if (p_mtn == NULL)
76 return;
77
78 for (i = 0; i < p_mtn->max_children; i++)
79 if ((p_mtn->child_array[i] != NULL) &&
80 (p_mtn->child_array[i] != OSM_MTREE_LEAF))
81 osm_mtree_destroy(p_mtn->child_array[i]);
82
83 free(p_mtn);
84 }
85
86 #if 0
87 static void mtree_dump(IN osm_mtree_node_t * p_mtn)
88 {
89 uint32_t i;
90
91 if (p_mtn == NULL)
92 return;
93
94 printf("GUID:0x%016" PRIx64 " max_children:%u\n",
95 cl_ntoh64(p_mtn->p_sw->p_node->node_info.node_guid),
96 p_mtn->max_children);
97 if (p_mtn->child_array != NULL) {
98 for (i = 0; i < p_mtn->max_children; i++) {
99 printf("i=%d\n", i);
100 if ((p_mtn->child_array[i] != NULL)
101 && (p_mtn->child_array[i] != OSM_MTREE_LEAF))
102 mtree_dump(p_mtn->child_array[i]);
103 }
104 }
105 }
106 #endif
107