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 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 } 102 103 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 } 165 166 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 } 192 193 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