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) 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_sir_rcv_t.
40 * This object represents the SwitchInfo 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_SW_INFO_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_SIR_RESP_SIZE SA_ITEM_RESP_SIZE(swinfo_rec)
61
62 typedef struct osm_sir_search_ctxt {
63 const ib_switch_info_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_sir_search_ctxt_t;
69
sir_rcv_new_sir(IN osm_sa_t * sa,IN const osm_switch_t * p_sw,IN cl_qlist_t * p_list,IN ib_net16_t lid)70 static ib_api_status_t sir_rcv_new_sir(IN osm_sa_t * sa,
71 IN const osm_switch_t * p_sw,
72 IN cl_qlist_t * p_list,
73 IN ib_net16_t lid)
74 {
75 osm_sa_item_t *p_rec_item;
76 ib_api_status_t status = IB_SUCCESS;
77
78 OSM_LOG_ENTER(sa->p_log);
79
80 p_rec_item = malloc(SA_SIR_RESP_SIZE);
81 if (p_rec_item == NULL) {
82 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5308: "
83 "rec_item alloc failed\n");
84 status = IB_INSUFFICIENT_RESOURCES;
85 goto Exit;
86 }
87
88 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
89 "New SwitchInfoRecord: lid %u\n", cl_ntoh16(lid));
90
91 memset(p_rec_item, 0, SA_SIR_RESP_SIZE);
92
93 p_rec_item->resp.swinfo_rec.lid = lid;
94 p_rec_item->resp.swinfo_rec.switch_info = p_sw->switch_info;
95
96 cl_qlist_insert_tail(p_list, &p_rec_item->list_item);
97
98 Exit:
99 OSM_LOG_EXIT(sa->p_log);
100 return status;
101 }
102
sir_rcv_create_sir(IN osm_sa_t * sa,IN const osm_switch_t * p_sw,IN cl_qlist_t * p_list,IN ib_net16_t match_lid,IN const osm_physp_t * p_req_physp)103 static void sir_rcv_create_sir(IN osm_sa_t * sa, IN const osm_switch_t * p_sw,
104 IN cl_qlist_t * p_list, IN ib_net16_t match_lid,
105 IN const osm_physp_t * p_req_physp)
106 {
107 osm_port_t *p_port;
108 const osm_physp_t *p_physp;
109 uint16_t match_lid_ho;
110 ib_net16_t min_lid_ho;
111 ib_net16_t max_lid_ho;
112
113 OSM_LOG_ENTER(sa->p_log);
114
115 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
116 "Looking for SwitchInfoRecord with LID: %u\n",
117 cl_ntoh16(match_lid));
118
119 /* In switches, the port guid is the node guid. */
120 p_port =
121 osm_get_port_by_guid(sa->p_subn, p_sw->p_node->node_info.port_guid);
122 if (!p_port) {
123 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 530A: "
124 "Failed to find Port by Node Guid:0x%016" PRIx64
125 "\n", cl_ntoh64(p_sw->p_node->node_info.node_guid));
126 goto Exit;
127 }
128
129 /* check that the requester physp and the current physp are under
130 the same partition. */
131 p_physp = p_port->p_physp;
132 if (!p_physp) {
133 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 530B: "
134 "Failed to find default physical Port by Node Guid:0x%016"
135 PRIx64 "\n",
136 cl_ntoh64(p_sw->p_node->node_info.node_guid));
137 goto Exit;
138 }
139 if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp,
140 sa->p_subn->opt.allow_both_pkeys))
141 goto Exit;
142
143 /* get the port 0 of the switch */
144 osm_port_get_lid_range_ho(p_port, &min_lid_ho, &max_lid_ho);
145
146 match_lid_ho = cl_ntoh16(match_lid);
147 if (match_lid_ho) {
148 /*
149 We validate that the lid belongs to this switch.
150 */
151 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
152 "Comparing LID: %u <= %u <= %u\n",
153 min_lid_ho, match_lid_ho, max_lid_ho);
154
155 if (match_lid_ho < min_lid_ho || match_lid_ho > max_lid_ho)
156 goto Exit;
157
158 }
159
160 sir_rcv_new_sir(sa, p_sw, p_list, osm_port_get_base_lid(p_port));
161
162 Exit:
163 OSM_LOG_EXIT(sa->p_log);
164 }
165
sir_rcv_by_comp_mask(IN cl_map_item_t * p_map_item,IN void * cxt)166 static void sir_rcv_by_comp_mask(IN cl_map_item_t * p_map_item, IN void *cxt)
167 {
168 const osm_sir_search_ctxt_t *p_ctxt = cxt;
169 const osm_switch_t *p_sw = (osm_switch_t *) p_map_item;
170 const ib_switch_info_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec;
171 const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp;
172 osm_sa_t *sa = p_ctxt->sa;
173 ib_net64_t const comp_mask = p_ctxt->comp_mask;
174 ib_net16_t match_lid = 0;
175
176 OSM_LOG_ENTER(p_ctxt->sa->p_log);
177
178 osm_dump_switch_info_v2(p_ctxt->sa->p_log, &p_sw->switch_info,
179 FILE_ID, OSM_LOG_VERBOSE);
180
181 if (comp_mask & IB_SWIR_COMPMASK_LID) {
182 match_lid = p_rcvd_rec->lid;
183 if (!match_lid)
184 goto Exit;
185 }
186
187 sir_rcv_create_sir(sa, p_sw, p_ctxt->p_list, match_lid, p_req_physp);
188
189 Exit:
190 OSM_LOG_EXIT(p_ctxt->sa->p_log);
191 }
192
osm_sir_rcv_process(IN void * ctx,IN void * data)193 void osm_sir_rcv_process(IN void *ctx, IN void *data)
194 {
195 osm_sa_t *sa = ctx;
196 osm_madw_t *p_madw = data;
197 const ib_sa_mad_t *sad_mad;
198 const ib_switch_info_record_t *p_rcvd_rec;
199 cl_qlist_t rec_list;
200 osm_sir_search_ctxt_t context;
201 osm_physp_t *p_req_physp;
202
203 CL_ASSERT(sa);
204
205 OSM_LOG_ENTER(sa->p_log);
206
207 CL_ASSERT(p_madw);
208
209 sad_mad = osm_madw_get_sa_mad_ptr(p_madw);
210 p_rcvd_rec =
211 (ib_switch_info_record_t *) ib_sa_mad_get_payload_ptr(sad_mad);
212
213 CL_ASSERT(sad_mad->attr_id == IB_MAD_ATTR_SWITCH_INFO_RECORD);
214
215 /* we only support SubnAdmGet and SubnAdmGetTable methods */
216 if (sad_mad->method != IB_MAD_METHOD_GET &&
217 sad_mad->method != IB_MAD_METHOD_GETTABLE) {
218 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5305: "
219 "Unsupported Method (%s) for SwitchInfoRecord request\n",
220 ib_get_sa_method_str(sad_mad->method));
221 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
222 goto Exit;
223 }
224
225 cl_plock_acquire(sa->p_lock);
226
227 /* update the requester physical port */
228 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
229 osm_madw_get_mad_addr_ptr
230 (p_madw));
231 if (p_req_physp == NULL) {
232 cl_plock_release(sa->p_lock);
233 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5304: "
234 "Cannot find requester physical port\n");
235 goto Exit;
236 }
237
238 if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
239 OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
240 "Requester port GUID 0x%" PRIx64 "\n",
241 cl_ntoh64(osm_physp_get_port_guid(p_req_physp)));
242 osm_dump_switch_info_record_v2(sa->p_log, p_rcvd_rec,
243 FILE_ID, OSM_LOG_DEBUG);
244 }
245
246 cl_qlist_init(&rec_list);
247
248 context.p_rcvd_rec = p_rcvd_rec;
249 context.p_list = &rec_list;
250 context.comp_mask = sad_mad->comp_mask;
251 context.sa = sa;
252 context.p_req_physp = p_req_physp;
253
254 /* Go over all switches */
255 cl_qmap_apply_func(&sa->p_subn->sw_guid_tbl, sir_rcv_by_comp_mask,
256 &context);
257
258 cl_plock_release(sa->p_lock);
259
260 osm_sa_respond(sa, p_madw, sizeof(ib_switch_info_record_t), &rec_list);
261
262 Exit:
263 OSM_LOG_EXIT(sa->p_log);
264 }
265