1 /*
2 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2010 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 * Copyright (c) 2013 Oracle and/or its affiliates. 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_nr_rcv_t.
40 * This object represents the NodeInfo 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_debug.h>
51 #include <complib/cl_qlist.h>
52 #include <opensm/osm_file_ids.h>
53 #define FILE_ID OSM_FILE_SA_NODE_RECORD_C
54 #include <vendor/osm_vendor_api.h>
55 #include <opensm/osm_node.h>
56 #include <opensm/osm_helper.h>
57 #include <opensm/osm_pkey.h>
58 #include <opensm/osm_sa.h>
59
60 #define SA_NR_RESP_SIZE SA_ITEM_RESP_SIZE(node_rec)
61
62 typedef struct osm_nr_search_ctxt {
63 const ib_node_record_t *p_rcvd_rec;
64 ib_net64_t comp_mask;
65 cl_qlist_t *p_list;
66 osm_sa_t *sa;
67 const osm_physp_t *p_req_physp;
68 } osm_nr_search_ctxt_t;
69
nr_rcv_new_nr(osm_sa_t * sa,IN const osm_node_t * p_node,IN cl_qlist_t * p_list,IN ib_net64_t port_guid,IN ib_net16_t lid,IN unsigned int port_num)70 static ib_api_status_t nr_rcv_new_nr(osm_sa_t * sa,
71 IN const osm_node_t * p_node,
72 IN cl_qlist_t * p_list,
73 IN ib_net64_t port_guid, IN ib_net16_t lid,
74 IN unsigned int port_num)
75 {
76 osm_sa_item_t *p_rec_item;
77 ib_api_status_t status = IB_SUCCESS;
78
79 OSM_LOG_ENTER(sa->p_log);
80
81 p_rec_item = malloc(SA_NR_RESP_SIZE);
82 if (p_rec_item == NULL) {
83 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1D02: "
84 "rec_item alloc failed\n");
85 status = IB_INSUFFICIENT_RESOURCES;
86 goto Exit;
87 }
88
89 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
90 "New NodeRecord: node 0x%016" PRIx64
91 ", port 0x%016" PRIx64 ", lid %u\n",
92 cl_ntoh64(osm_node_get_node_guid(p_node)),
93 cl_ntoh64(port_guid), cl_ntoh16(lid));
94
95 memset(p_rec_item, 0, SA_NR_RESP_SIZE);
96
97 p_rec_item->resp.node_rec.lid = lid;
98
99 p_rec_item->resp.node_rec.node_info = p_node->node_info;
100 p_rec_item->resp.node_rec.node_info.port_guid = port_guid;
101 p_rec_item->resp.node_rec.node_info.port_num_vendor_id =
102 (p_rec_item->resp.node_rec.node_info.port_num_vendor_id & IB_NODE_INFO_VEND_ID_MASK) |
103 ((port_num << IB_NODE_INFO_PORT_NUM_SHIFT) & IB_NODE_INFO_PORT_NUM_MASK);
104 memcpy(&(p_rec_item->resp.node_rec.node_desc), &(p_node->node_desc),
105 IB_NODE_DESCRIPTION_SIZE);
106 cl_qlist_insert_tail(p_list, &p_rec_item->list_item);
107
108 Exit:
109 OSM_LOG_EXIT(sa->p_log);
110 return status;
111 }
112
nr_rcv_create_nr(IN osm_sa_t * sa,IN osm_node_t * p_node,IN cl_qlist_t * p_list,IN ib_net64_t const match_port_guid,IN ib_net16_t const match_lid,IN unsigned int const match_port_num,IN const osm_physp_t * p_req_physp,IN const ib_net64_t comp_mask)113 static void nr_rcv_create_nr(IN osm_sa_t * sa, IN osm_node_t * p_node,
114 IN cl_qlist_t * p_list,
115 IN ib_net64_t const match_port_guid,
116 IN ib_net16_t const match_lid,
117 IN unsigned int const match_port_num,
118 IN const osm_physp_t * p_req_physp,
119 IN const ib_net64_t comp_mask)
120 {
121 const osm_physp_t *p_physp;
122 uint8_t port_num;
123 uint8_t num_ports;
124 uint16_t match_lid_ho;
125 ib_net16_t base_lid;
126 ib_net16_t base_lid_ho;
127 ib_net16_t max_lid_ho;
128 uint8_t lmc;
129 ib_net64_t port_guid;
130
131 OSM_LOG_ENTER(sa->p_log);
132
133 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
134 "Looking for NodeRecord with LID: %u GUID: 0x%016"
135 PRIx64 "\n", cl_ntoh16(match_lid), cl_ntoh64(match_port_guid));
136
137 /*
138 For switches, do not return the NodeInfo record
139 for each port on the switch, just for port 0.
140 */
141 if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH)
142 num_ports = 1;
143 else
144 num_ports = osm_node_get_num_physp(p_node);
145
146 for (port_num = 0; port_num < num_ports; port_num++) {
147 p_physp = osm_node_get_physp_ptr(p_node, port_num);
148 if (!p_physp)
149 continue;
150
151 /* Check to see if the found p_physp and the requester physp
152 share a pkey. If not - continue */
153 if (!osm_physp_share_pkey(sa->p_log, p_physp, p_req_physp,
154 sa->p_subn->opt.allow_both_pkeys))
155 continue;
156
157 port_guid = osm_physp_get_port_guid(p_physp);
158
159 if ((comp_mask & IB_NR_COMPMASK_PORTGUID)
160 && (port_guid != match_port_guid))
161 continue;
162
163 base_lid = osm_physp_get_base_lid(p_physp);
164
165 if (comp_mask & IB_NR_COMPMASK_LID) {
166 base_lid_ho = cl_ntoh16(base_lid);
167 lmc = osm_physp_get_lmc(p_physp);
168 max_lid_ho = (uint16_t) (base_lid_ho + (1 << lmc) - 1);
169 match_lid_ho = cl_ntoh16(match_lid);
170
171 /*
172 We validate that the lid belongs to this node.
173 */
174 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
175 "Comparing LID: %u <= %u <= %u\n",
176 base_lid_ho, match_lid_ho, max_lid_ho);
177
178 if (match_lid_ho < base_lid_ho
179 || match_lid_ho > max_lid_ho)
180 continue;
181 }
182
183 if ((comp_mask & IB_NR_COMPMASK_PORTNUM) &&
184 (port_num != match_port_num))
185 continue;
186
187 nr_rcv_new_nr(sa, p_node, p_list, port_guid, base_lid, port_num);
188 }
189
190 OSM_LOG_EXIT(sa->p_log);
191 }
192
nr_rcv_by_comp_mask(IN cl_map_item_t * p_map_item,IN void * context)193 static void nr_rcv_by_comp_mask(IN cl_map_item_t * p_map_item, IN void *context)
194 {
195 const osm_nr_search_ctxt_t *p_ctxt = context;
196 osm_node_t *p_node = (osm_node_t *) p_map_item;
197 const ib_node_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec;
198 const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp;
199 osm_sa_t *sa = p_ctxt->sa;
200 ib_net64_t comp_mask = p_ctxt->comp_mask;
201 ib_net64_t match_port_guid = 0;
202 ib_net16_t match_lid = 0;
203 unsigned int match_port_num = 0;
204
205 OSM_LOG_ENTER(p_ctxt->sa->p_log);
206
207 osm_dump_node_info_v2(p_ctxt->sa->p_log, &p_node->node_info,
208 FILE_ID, OSM_LOG_DEBUG);
209
210 if (comp_mask & IB_NR_COMPMASK_LID)
211 match_lid = p_rcvd_rec->lid;
212
213 if (comp_mask & IB_NR_COMPMASK_NODEGUID) {
214 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
215 "Looking for node 0x%016" PRIx64
216 ", found 0x%016" PRIx64 "\n",
217 cl_ntoh64(p_rcvd_rec->node_info.node_guid),
218 cl_ntoh64(osm_node_get_node_guid(p_node)));
219
220 if (p_node->node_info.node_guid !=
221 p_rcvd_rec->node_info.node_guid)
222 goto Exit;
223 }
224
225 if (comp_mask & IB_NR_COMPMASK_PORTGUID)
226 match_port_guid = p_rcvd_rec->node_info.port_guid;
227
228 if ((comp_mask & IB_NR_COMPMASK_SYSIMAGEGUID) &&
229 p_node->node_info.sys_guid != p_rcvd_rec->node_info.sys_guid)
230 goto Exit;
231
232 if ((comp_mask & IB_NR_COMPMASK_BASEVERSION) &&
233 p_node->node_info.base_version !=
234 p_rcvd_rec->node_info.base_version)
235 goto Exit;
236
237 if ((comp_mask & IB_NR_COMPMASK_CLASSVERSION) &&
238 p_node->node_info.class_version !=
239 p_rcvd_rec->node_info.class_version)
240 goto Exit;
241
242 if ((comp_mask & IB_NR_COMPMASK_NODETYPE) &&
243 p_node->node_info.node_type != p_rcvd_rec->node_info.node_type)
244 goto Exit;
245
246 if ((comp_mask & IB_NR_COMPMASK_NUMPORTS) &&
247 p_node->node_info.num_ports != p_rcvd_rec->node_info.num_ports)
248 goto Exit;
249
250 if ((comp_mask & IB_NR_COMPMASK_PARTCAP) &&
251 p_node->node_info.partition_cap !=
252 p_rcvd_rec->node_info.partition_cap)
253 goto Exit;
254
255 if ((comp_mask & IB_NR_COMPMASK_DEVID) &&
256 p_node->node_info.device_id != p_rcvd_rec->node_info.device_id)
257 goto Exit;
258
259 if ((comp_mask & IB_NR_COMPMASK_REV) &&
260 p_node->node_info.revision !=
261 p_rcvd_rec->node_info.revision)
262 goto Exit;
263
264 if (comp_mask & IB_NR_COMPMASK_PORTNUM)
265 match_port_num = ib_node_info_get_local_port_num(&p_rcvd_rec->node_info);
266
267 if ((comp_mask & IB_NR_COMPMASK_VENDID) &&
268 ib_node_info_get_vendor_id(&p_node->node_info) !=
269 ib_node_info_get_vendor_id(&p_rcvd_rec->node_info))
270 goto Exit;
271
272 if ((comp_mask & IB_NR_COMPMASK_NODEDESC) &&
273 strncmp((char *)&p_node->node_desc, (char *)&p_rcvd_rec->node_desc,
274 sizeof(ib_node_desc_t)))
275 goto Exit;
276
277 nr_rcv_create_nr(sa, p_node, p_ctxt->p_list, match_port_guid,
278 match_lid, match_port_num, p_req_physp, comp_mask);
279
280 Exit:
281 OSM_LOG_EXIT(p_ctxt->sa->p_log);
282 }
283
osm_nr_rcv_process(IN void * ctx,IN void * data)284 void osm_nr_rcv_process(IN void *ctx, IN void *data)
285 {
286 osm_sa_t *sa = ctx;
287 osm_madw_t *p_madw = data;
288 const ib_sa_mad_t *p_rcvd_mad;
289 const ib_node_record_t *p_rcvd_rec;
290 cl_qlist_t rec_list;
291 osm_nr_search_ctxt_t context;
292 osm_physp_t *p_req_physp;
293
294 CL_ASSERT(sa);
295
296 OSM_LOG_ENTER(sa->p_log);
297
298 CL_ASSERT(p_madw);
299
300 p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw);
301 p_rcvd_rec = (ib_node_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad);
302
303 CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_NODE_RECORD);
304
305 /* we only support SubnAdmGet and SubnAdmGetTable methods */
306 if (p_rcvd_mad->method != IB_MAD_METHOD_GET &&
307 p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) {
308 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1D05: "
309 "Unsupported Method (%s) for NodeRecord request\n",
310 ib_get_sa_method_str(p_rcvd_mad->method));
311 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
312 goto Exit;
313 }
314
315 cl_plock_acquire(sa->p_lock);
316
317 /* update the requester physical port */
318 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
319 osm_madw_get_mad_addr_ptr
320 (p_madw));
321 if (p_req_physp == NULL) {
322 cl_plock_release(sa->p_lock);
323 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1D04: "
324 "Cannot find requester physical port\n");
325 goto Exit;
326 }
327
328 if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
329 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
330 "Requester port GUID 0x%" PRIx64 "\n",
331 cl_ntoh64(osm_physp_get_port_guid(p_req_physp)));
332 osm_dump_node_record_v2(sa->p_log, p_rcvd_rec, FILE_ID, OSM_LOG_DEBUG);
333 }
334
335 cl_qlist_init(&rec_list);
336
337 context.p_rcvd_rec = p_rcvd_rec;
338 context.p_list = &rec_list;
339 context.comp_mask = p_rcvd_mad->comp_mask;
340 context.sa = sa;
341 context.p_req_physp = p_req_physp;
342
343 cl_qmap_apply_func(&sa->p_subn->node_guid_tbl, nr_rcv_by_comp_mask,
344 &context);
345
346 cl_plock_release(sa->p_lock);
347
348 osm_sa_respond(sa, p_madw, sizeof(ib_node_record_t), &rec_list);
349
350 Exit:
351 OSM_LOG_EXIT(sa->p_log);
352 }
353