1 /*
2 * Copyright (c) 2004-2009 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 * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 *
35 */
36
37 /*
38 * Abstract:
39 * Implementation of osm_mft_rcv_t.
40 * This object represents the Multicast Forwarding Table Receiver object.
41 * This object is part of the opensm family of objects.
42 */
43
44 #if HAVE_CONFIG_H
45 # include <config.h>
46 #endif /* HAVE_CONFIG_H */
47
48 #include <string.h>
49 #include <iba/ib_types.h>
50 #include <complib/cl_qmap.h>
51 #include <complib/cl_passivelock.h>
52 #include <complib/cl_debug.h>
53 #include <opensm/osm_file_ids.h>
54 #define FILE_ID OSM_FILE_MCAST_FWD_RCV_C
55 #include <opensm/osm_madw.h>
56 #include <opensm/osm_log.h>
57 #include <opensm/osm_switch.h>
58 #include <opensm/osm_subnet.h>
59 #include <opensm/osm_sm.h>
60
osm_mft_rcv_process(IN void * context,IN void * data)61 void osm_mft_rcv_process(IN void *context, IN void *data)
62 {
63 osm_sm_t *sm = context;
64 osm_madw_t *p_madw = data;
65 ib_smp_t *p_smp;
66 uint32_t block_num;
67 uint8_t position;
68 osm_switch_t *p_sw;
69 osm_mft_context_t *p_mft_context;
70 uint16_t *p_block;
71 ib_net64_t node_guid;
72 ib_api_status_t status;
73
74 CL_ASSERT(sm);
75
76 OSM_LOG_ENTER(sm->p_log);
77
78 CL_ASSERT(p_madw);
79
80 p_smp = osm_madw_get_smp_ptr(p_madw);
81 p_block = ib_smp_get_payload_ptr(p_smp);
82 block_num = cl_ntoh32(p_smp->attr_mod) & IB_MCAST_BLOCK_ID_MASK_HO;
83 position = (uint8_t) ((cl_ntoh32(p_smp->attr_mod) &
84 IB_MCAST_POSITION_MASK_HO) >>
85 IB_MCAST_POSITION_SHIFT);
86
87 /*
88 Acquire the switch object for this switch.
89 */
90 p_mft_context = osm_madw_get_mft_context_ptr(p_madw);
91 node_guid = p_mft_context->node_guid;
92
93 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
94 "Setting MFT block %u, position %u, "
95 "Switch 0x%016" PRIx64 ", TID 0x%" PRIx64 "\n",
96 block_num, position, cl_ntoh64(node_guid),
97 cl_ntoh64(p_smp->trans_id));
98
99 if (ib_smp_get_status(p_smp)) {
100 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
101 "MAD status 0x%x received\n",
102 cl_ntoh16(ib_smp_get_status(p_smp)));
103 goto Exit;
104 }
105
106 CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
107 p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid);
108
109 if (!p_sw) {
110 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0801: "
111 "MFT received for nonexistent node "
112 "0x%016" PRIx64 "\n", cl_ntoh64(node_guid));
113 } else {
114 status = osm_switch_set_mft_block(p_sw, p_block,
115 (uint16_t) block_num,
116 position);
117 if (status != IB_SUCCESS) {
118 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0802: "
119 "Setting MFT block failed (%s)"
120 ", Switch 0x%016" PRIx64
121 " (%s), block %u, position %u\n",
122 ib_get_err_str(status), cl_ntoh64(node_guid),
123 p_sw->p_node->print_desc, block_num, position);
124 }
125 }
126
127 CL_PLOCK_RELEASE(sm->p_lock);
128 Exit:
129 OSM_LOG_EXIT(sm->p_log);
130 }
131