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 HNR Consulting. 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_slvl_rcv_t.
40 * This object represents the SLtoVL 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_passivelock.h>
51 #include <complib/cl_debug.h>
52 #include <opensm/osm_file_ids.h>
53 #define FILE_ID OSM_FILE_SLVL_MAP_RCV_C
54 #include <opensm/osm_madw.h>
55 #include <opensm/osm_log.h>
56 #include <opensm/osm_node.h>
57 #include <opensm/osm_subnet.h>
58 #include <opensm/osm_helper.h>
59 #include <opensm/osm_sm.h>
60
61 /*
62 * WE ONLY RECEIVE GET or SET responses
63 */
osm_slvl_rcv_process(IN void * context,IN void * p_data)64 void osm_slvl_rcv_process(IN void *context, IN void *p_data)
65 {
66 osm_sm_t *sm = context;
67 osm_madw_t *p_madw = p_data;
68 ib_slvl_table_t *p_slvl_tbl;
69 ib_smp_t *p_smp;
70 osm_port_t *p_port;
71 osm_physp_t *p_physp;
72 osm_node_t *p_node;
73 osm_slvl_context_t *p_context;
74 ib_net64_t port_guid;
75 ib_net64_t node_guid;
76 uint32_t attr_mod;
77 uint8_t startinport, endinport, startoutport, endoutport;
78 uint8_t in_port, out_port;
79
80 CL_ASSERT(sm);
81
82 OSM_LOG_ENTER(sm->p_log);
83
84 CL_ASSERT(p_madw);
85
86 p_smp = osm_madw_get_smp_ptr(p_madw);
87 p_context = osm_madw_get_slvl_context_ptr(p_madw);
88 p_slvl_tbl = ib_smp_get_payload_ptr(p_smp);
89
90 port_guid = p_context->port_guid;
91 node_guid = p_context->node_guid;
92
93 CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_SLVL_TABLE);
94
95 if (!sm->p_subn->opt.suppress_sl2vl_mad_status_errors &&
96 ib_smp_get_status(p_smp)) {
97 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
98 "MAD status 0x%x received\n",
99 cl_ntoh16(ib_smp_get_status(p_smp)));
100 goto Exit2;
101 }
102
103 cl_plock_excl_acquire(sm->p_lock);
104 p_port = osm_get_port_by_guid(sm->p_subn, port_guid);
105
106 if (!p_port) {
107 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2C06: "
108 "No port object for port with GUID 0x%" PRIx64
109 "\n\t\t\t\tfor parent node GUID 0x%" PRIx64
110 ", TID 0x%" PRIx64 "\n", cl_ntoh64(port_guid),
111 cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
112 goto Exit;
113 }
114
115 p_node = p_port->p_node;
116 CL_ASSERT(p_node);
117
118 /* in case of a non switch node the attr modifier should be ignored */
119 if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
120 unsigned num_ports = osm_node_get_num_physp(p_node) - 1;
121 attr_mod = cl_ntoh32(p_smp->attr_mod);
122
123 if (attr_mod & 0x10000) {
124 startoutport = ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
125 endoutport = osm_node_get_num_physp(p_node) - 1;
126 } else
127 startoutport = endoutport = attr_mod & 0xff;
128
129 if (attr_mod & 0x20000) {
130 startinport = ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
131 endinport = osm_node_get_num_physp(p_node) - 1;
132 } else
133 startinport = endinport = (attr_mod >> 8) & 0xff;
134
135 if (startinport > num_ports || startoutport > num_ports) {
136 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2C07"
137 "Invalid attribute modifier 0x%x received in"
138 " response from switch 0x%" PRIx64 "\n",
139 cl_ntoh32(attr_mod), cl_ntoh64(node_guid));
140 goto Exit;
141 }
142
143 } else {
144 startoutport = endoutport = p_port->p_physp->port_num;
145 startinport = endinport = 0;
146 }
147
148 OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Received SLtoVL GetResp"
149 " in_port_num %u out_port_num %u with GUID 0x%" PRIx64
150 " for parent node GUID 0x%" PRIx64 ", TID 0x%" PRIx64 "\n",
151 startinport == endinport ? startinport : 0xff,
152 startoutport == endoutport ? startoutport : 0xff,
153 cl_ntoh64(port_guid), cl_ntoh64(node_guid),
154 cl_ntoh64(p_smp->trans_id));
155
156 osm_dump_slvl_map_table_v2(sm->p_log, port_guid,
157 startinport == endinport ? startinport : 0xff,
158 startoutport == endoutport ? startoutport : 0xff,
159 p_slvl_tbl, FILE_ID, OSM_LOG_DEBUG);
160
161 for (out_port = startoutport; out_port <= endoutport; out_port++) {
162 p_physp = osm_node_get_physp_ptr(p_node, out_port);
163 for (in_port = startinport; in_port <= endinport; in_port++)
164 osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl, in_port);
165 }
166
167 Exit:
168 cl_plock_release(sm->p_lock);
169
170 Exit2:
171 OSM_LOG_EXIT(sm->p_log);
172 }
173