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_sir_rcv_t. 39 * This object represents the SwitchInfo 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_debug.h> 50#include <complib/cl_qlist.h> 51#include <vendor/osm_vendor_api.h> 52#include <opensm/osm_node.h> 53#include <opensm/osm_helper.h> 54#include <opensm/osm_pkey.h> 55#include <opensm/osm_sa.h> 56 57typedef struct osm_sir_item { 58 cl_list_item_t list_item; 59 ib_switch_info_record_t rec; 60} osm_sir_item_t; 61 62typedef 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/********************************************************************** 71 **********************************************************************/ 72static ib_api_status_t 73__osm_sir_rcv_new_sir(IN osm_sa_t * sa, 74 IN const osm_switch_t * const p_sw, 75 IN cl_qlist_t * const p_list, IN ib_net16_t const lid) 76{ 77 osm_sir_item_t *p_rec_item; 78 ib_api_status_t status = IB_SUCCESS; 79 80 OSM_LOG_ENTER(sa->p_log); 81 82 p_rec_item = malloc(sizeof(*p_rec_item)); 83 if (p_rec_item == NULL) { 84 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5308: " 85 "rec_item alloc failed\n"); 86 status = IB_INSUFFICIENT_RESOURCES; 87 goto Exit; 88 } 89 90 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 91 "New SwitchInfoRecord: lid %u\n", cl_ntoh16(lid)); 92 93 memset(p_rec_item, 0, sizeof(*p_rec_item)); 94 95 p_rec_item->rec.lid = lid; 96 p_rec_item->rec.switch_info = p_sw->switch_info; 97 98 cl_qlist_insert_tail(p_list, &p_rec_item->list_item); 99 100Exit: 101 OSM_LOG_EXIT(sa->p_log); 102 return (status); 103} 104 105/********************************************************************** 106 **********************************************************************/ 107static void 108__osm_sir_rcv_create_sir(IN osm_sa_t * sa, 109 IN const osm_switch_t * const p_sw, 110 IN cl_qlist_t * const p_list, 111 IN ib_net16_t const match_lid, 112 IN const osm_physp_t * const p_req_physp) 113{ 114 osm_port_t *p_port; 115 const osm_physp_t *p_physp; 116 uint16_t match_lid_ho; 117 ib_net16_t min_lid_ho; 118 ib_net16_t max_lid_ho; 119 120 OSM_LOG_ENTER(sa->p_log); 121 122 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 123 "Looking for SwitchInfoRecord with LID: %u\n", 124 cl_ntoh16(match_lid)); 125 126 /* In switches, the port guid is the node guid. */ 127 p_port = 128 osm_get_port_by_guid(sa->p_subn, p_sw->p_node->node_info.port_guid); 129 if (!p_port) { 130 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 530A: " 131 "Failed to find Port by Node Guid:0x%016" PRIx64 132 "\n", cl_ntoh64(p_sw->p_node->node_info.node_guid)); 133 goto Exit; 134 } 135 136 /* check that the requester physp and the current physp are under 137 the same partition. */ 138 p_physp = p_port->p_physp; 139 if (!p_physp) { 140 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 530B: " 141 "Failed to find default physical Port by Node Guid:0x%016" 142 PRIx64 "\n", 143 cl_ntoh64(p_sw->p_node->node_info.node_guid)); 144 goto Exit; 145 } 146 if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp)) 147 goto Exit; 148 149 /* get the port 0 of the switch */ 150 osm_port_get_lid_range_ho(p_port, &min_lid_ho, &max_lid_ho); 151 152 match_lid_ho = cl_ntoh16(match_lid); 153 if (match_lid_ho) { 154 /* 155 We validate that the lid belongs to this switch. 156 */ 157 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 158 "Comparing LID: %u <= %u <= %u\n", 159 min_lid_ho, match_lid_ho, max_lid_ho); 160 161 if (match_lid_ho < min_lid_ho || match_lid_ho > max_lid_ho) 162 goto Exit; 163 164 } 165 166 __osm_sir_rcv_new_sir(sa, p_sw, p_list, osm_port_get_base_lid(p_port)); 167 168Exit: 169 OSM_LOG_EXIT(sa->p_log); 170} 171 172/********************************************************************** 173 **********************************************************************/ 174static void 175__osm_sir_rcv_by_comp_mask(IN cl_map_item_t * const p_map_item, 176 IN void *context) 177{ 178 const osm_sir_search_ctxt_t *const p_ctxt = 179 (osm_sir_search_ctxt_t *) context; 180 const osm_switch_t *const p_sw = (osm_switch_t *) p_map_item; 181 const ib_switch_info_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec; 182 const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp; 183 osm_sa_t *sa = p_ctxt->sa; 184 ib_net64_t const comp_mask = p_ctxt->comp_mask; 185 ib_net16_t match_lid = 0; 186 187 OSM_LOG_ENTER(p_ctxt->sa->p_log); 188 189 osm_dump_switch_info(p_ctxt->sa->p_log, 190 &p_sw->switch_info, OSM_LOG_VERBOSE); 191 192 if (comp_mask & IB_SWIR_COMPMASK_LID) { 193 match_lid = p_rcvd_rec->lid; 194 if (!match_lid) 195 goto Exit; 196 } 197 198 __osm_sir_rcv_create_sir(sa, p_sw, p_ctxt->p_list, 199 match_lid, p_req_physp); 200 201Exit: 202 OSM_LOG_EXIT(p_ctxt->sa->p_log); 203} 204 205/********************************************************************** 206 **********************************************************************/ 207void osm_sir_rcv_process(IN void *ctx, IN void *data) 208{ 209 osm_sa_t *sa = ctx; 210 osm_madw_t *p_madw = data; 211 const ib_sa_mad_t *sad_mad; 212 const ib_switch_info_record_t *p_rcvd_rec; 213 cl_qlist_t rec_list; 214 osm_sir_search_ctxt_t context; 215 osm_physp_t *p_req_physp; 216 217 CL_ASSERT(sa); 218 219 OSM_LOG_ENTER(sa->p_log); 220 221 CL_ASSERT(p_madw); 222 223 sad_mad = osm_madw_get_sa_mad_ptr(p_madw); 224 p_rcvd_rec = 225 (ib_switch_info_record_t *) ib_sa_mad_get_payload_ptr(sad_mad); 226 227 CL_ASSERT(sad_mad->attr_id == IB_MAD_ATTR_SWITCH_INFO_RECORD); 228 229 /* we only support SubnAdmGet and SubnAdmGetTable methods */ 230 if (sad_mad->method != IB_MAD_METHOD_GET && 231 sad_mad->method != IB_MAD_METHOD_GETTABLE) { 232 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5305: " 233 "Unsupported Method (%s)\n", 234 ib_get_sa_method_str(sad_mad->method)); 235 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR); 236 goto Exit; 237 } 238 239 /* update the requester physical port. */ 240 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn, 241 osm_madw_get_mad_addr_ptr 242 (p_madw)); 243 if (p_req_physp == NULL) { 244 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5304: " 245 "Cannot find requester physical port\n"); 246 goto Exit; 247 } 248 249 if (osm_log_is_active(sa->p_log, OSM_LOG_DEBUG)) 250 osm_dump_switch_info_record(sa->p_log, p_rcvd_rec, 251 OSM_LOG_DEBUG); 252 253 cl_qlist_init(&rec_list); 254 255 context.p_rcvd_rec = p_rcvd_rec; 256 context.p_list = &rec_list; 257 context.comp_mask = sad_mad->comp_mask; 258 context.sa = sa; 259 context.p_req_physp = p_req_physp; 260 261 cl_plock_acquire(sa->p_lock); 262 263 /* Go over all switches */ 264 cl_qmap_apply_func(&sa->p_subn->sw_guid_tbl, 265 __osm_sir_rcv_by_comp_mask, &context); 266 267 cl_plock_release(sa->p_lock); 268 269 osm_sa_respond(sa, p_madw, sizeof(ib_switch_info_record_t), &rec_list); 270 271Exit: 272 OSM_LOG_EXIT(sa->p_log); 273} 274