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_mft_rcv_t.
39 * This object represents the Multicast Forwarding Table 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 <iba/ib_types.h>
49#include <complib/cl_qmap.h>
50#include <complib/cl_passivelock.h>
51#include <complib/cl_debug.h>
52#include <opensm/osm_madw.h>
53#include <opensm/osm_log.h>
54#include <opensm/osm_switch.h>
55#include <opensm/osm_subnet.h>
56#include <opensm/osm_sm.h>
57
58/**********************************************************************
59 **********************************************************************/
60void osm_mft_rcv_process(IN void *context, IN void *data)
61{
62	osm_sm_t *sm = context;
63	osm_madw_t *p_madw = data;
64	ib_smp_t *p_smp;
65	uint32_t block_num;
66	uint8_t position;
67	osm_switch_t *p_sw;
68	osm_mft_context_t *p_mft_context;
69	uint16_t *p_block;
70	ib_net64_t node_guid;
71	ib_api_status_t status;
72
73	CL_ASSERT(sm);
74
75	OSM_LOG_ENTER(sm->p_log);
76
77	CL_ASSERT(p_madw);
78
79	p_smp = osm_madw_get_smp_ptr(p_madw);
80	p_block = (uint16_t *) ib_smp_get_payload_ptr(p_smp);
81	block_num = cl_ntoh32(p_smp->attr_mod) & IB_MCAST_BLOCK_ID_MASK_HO;
82	position = (uint8_t) ((cl_ntoh32(p_smp->attr_mod) &
83			       IB_MCAST_POSITION_MASK_HO) >>
84			      IB_MCAST_POSITION_SHIFT);
85
86	/*
87	   Acquire the switch object for this switch.
88	 */
89	p_mft_context = osm_madw_get_mft_context_ptr(p_madw);
90	node_guid = p_mft_context->node_guid;
91
92	OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
93		"Setting MFT block %u, position %u, "
94		"Switch 0x%016" PRIx64 ", TID 0x%" PRIx64 "\n",
95		block_num, position, cl_ntoh64(node_guid),
96		cl_ntoh64(p_smp->trans_id));
97
98	CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
99	p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid);
100
101	if (!p_sw) {
102		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0801: "
103			"MFT received for nonexistent node "
104			"0x%016" PRIx64 "\n", cl_ntoh64(node_guid));
105	} else {
106		status = osm_switch_set_mft_block(p_sw, p_block,
107						  (uint16_t) block_num,
108						  position);
109		if (status != IB_SUCCESS) {
110			OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0802: "
111				"Setting MFT block failed (%s)"
112				"\n\t\t\t\tSwitch 0x%016" PRIx64
113				", block %u, position %u\n",
114				ib_get_err_str(status),
115				cl_ntoh64(node_guid), block_num, position);
116		}
117	}
118
119	CL_PLOCK_RELEASE(sm->p_lock);
120	OSM_LOG_EXIT(sm->p_log);
121}
122