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 **********************************************************************/
osm_lft_rcv_process(IN void * context,IN void * data)54 void 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