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#if HAVE_CONFIG_H 37# include <config.h> 38#endif /* HAVE_CONFIG_H */ 39 40#include <string.h> 41#include <iba/ib_types.h> 42#include <complib/cl_qmap.h> 43#include <complib/cl_passivelock.h> 44#include <complib/cl_debug.h> 45#include <complib/cl_qlist.h> 46#include <vendor/osm_vendor_api.h> 47#include <opensm/osm_port.h> 48#include <opensm/osm_node.h> 49#include <opensm/osm_helper.h> 50#include <opensm/osm_pkey.h> 51#include <opensm/osm_sa.h> 52 53typedef struct osm_pkey_item { 54 cl_list_item_t list_item; 55 ib_pkey_table_record_t rec; 56} osm_pkey_item_t; 57 58typedef struct osm_pkey_search_ctxt { 59 const ib_pkey_table_record_t *p_rcvd_rec; 60 ib_net64_t comp_mask; 61 uint16_t block_num; 62 cl_qlist_t *p_list; 63 osm_sa_t *sa; 64 const osm_physp_t *p_req_physp; 65} osm_pkey_search_ctxt_t; 66 67/********************************************************************** 68 **********************************************************************/ 69static void 70__osm_sa_pkey_create(IN osm_sa_t * sa, 71 IN osm_physp_t * const p_physp, 72 IN osm_pkey_search_ctxt_t * const p_ctxt, 73 IN uint16_t block) 74{ 75 osm_pkey_item_t *p_rec_item; 76 uint16_t lid; 77 ib_api_status_t status = IB_SUCCESS; 78 79 OSM_LOG_ENTER(sa->p_log); 80 81 p_rec_item = malloc(sizeof(*p_rec_item)); 82 if (p_rec_item == NULL) { 83 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4602: " 84 "rec_item alloc failed\n"); 85 status = IB_INSUFFICIENT_RESOURCES; 86 goto Exit; 87 } 88 89 if (p_physp->p_node->node_info.node_type != IB_NODE_TYPE_SWITCH) 90 lid = p_physp->port_info.base_lid; 91 else 92 lid = osm_node_get_base_lid(p_physp->p_node, 0); 93 94 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 95 "New P_Key table for: port 0x%016" PRIx64 96 ", lid %u, port %u Block:%u\n", 97 cl_ntoh64(osm_physp_get_port_guid(p_physp)), 98 cl_ntoh16(lid), osm_physp_get_port_num(p_physp), block); 99 100 memset(p_rec_item, 0, sizeof(*p_rec_item)); 101 102 p_rec_item->rec.lid = lid; 103 p_rec_item->rec.block_num = block; 104 p_rec_item->rec.port_num = osm_physp_get_port_num(p_physp); 105 p_rec_item->rec.pkey_tbl = 106 *(osm_pkey_tbl_block_get(osm_physp_get_pkey_tbl(p_physp), block)); 107 108 cl_qlist_insert_tail(p_ctxt->p_list, &p_rec_item->list_item); 109 110Exit: 111 OSM_LOG_EXIT(sa->p_log); 112} 113 114/********************************************************************** 115 **********************************************************************/ 116static void 117__osm_sa_pkey_check_physp(IN osm_sa_t * sa, 118 IN osm_physp_t * const p_physp, 119 osm_pkey_search_ctxt_t * const p_ctxt) 120{ 121 ib_net64_t comp_mask = p_ctxt->comp_mask; 122 uint16_t block, num_blocks; 123 124 OSM_LOG_ENTER(sa->p_log); 125 126 /* we got here with the phys port - all is left is to get the right block */ 127 if (comp_mask & IB_PKEY_COMPMASK_BLOCK) { 128 __osm_sa_pkey_create(sa, p_physp, p_ctxt, p_ctxt->block_num); 129 } else { 130 num_blocks = 131 osm_pkey_tbl_get_num_blocks(osm_physp_get_pkey_tbl 132 (p_physp)); 133 for (block = 0; block < num_blocks; block++) { 134 __osm_sa_pkey_create(sa, p_physp, p_ctxt, block); 135 } 136 } 137 138 OSM_LOG_EXIT(sa->p_log); 139} 140 141/********************************************************************** 142 **********************************************************************/ 143static void 144__osm_sa_pkey_by_comp_mask(IN osm_sa_t * sa, 145 IN const osm_port_t * const p_port, 146 osm_pkey_search_ctxt_t * const p_ctxt) 147{ 148 const ib_pkey_table_record_t *p_rcvd_rec; 149 ib_net64_t comp_mask; 150 osm_physp_t *p_physp; 151 uint8_t port_num; 152 uint8_t num_ports; 153 const osm_physp_t *p_req_physp; 154 155 OSM_LOG_ENTER(sa->p_log); 156 157 p_rcvd_rec = p_ctxt->p_rcvd_rec; 158 comp_mask = p_ctxt->comp_mask; 159 port_num = p_rcvd_rec->port_num; 160 p_req_physp = p_ctxt->p_req_physp; 161 162 /* if this is a switch port we can search all ports 163 otherwise we must be looking on port 0 */ 164 if (p_port->p_node->node_info.node_type != IB_NODE_TYPE_SWITCH) { 165 /* we put it in the comp mask and port num */ 166 port_num = p_port->p_physp->port_num; 167 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 168 "Using Physical Default Port Number: 0x%X (for End Node)\n", 169 port_num); 170 comp_mask |= IB_PKEY_COMPMASK_PORT; 171 } 172 173 if (comp_mask & IB_PKEY_COMPMASK_PORT) { 174 if (port_num < osm_node_get_num_physp(p_port->p_node)) { 175 p_physp = 176 osm_node_get_physp_ptr(p_port->p_node, port_num); 177 /* Check that the p_physp is valid, and that is shares a pkey 178 with the p_req_physp. */ 179 if (p_physp && 180 (osm_physp_share_pkey 181 (sa->p_log, p_req_physp, p_physp))) 182 __osm_sa_pkey_check_physp(sa, p_physp, 183 p_ctxt); 184 } else { 185 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4603: " 186 "Given Physical Port Number: 0x%X is out of range should be < 0x%X\n", 187 port_num, 188 osm_node_get_num_physp(p_port->p_node)); 189 goto Exit; 190 } 191 } else { 192 num_ports = osm_node_get_num_physp(p_port->p_node); 193 for (port_num = 0; port_num < num_ports; port_num++) { 194 p_physp = 195 osm_node_get_physp_ptr(p_port->p_node, port_num); 196 if (!p_physp) 197 continue; 198 199 /* if the requester and the p_physp don't share a pkey - 200 continue */ 201 if (!osm_physp_share_pkey 202 (sa->p_log, p_req_physp, p_physp)) 203 continue; 204 205 __osm_sa_pkey_check_physp(sa, p_physp, p_ctxt); 206 } 207 } 208Exit: 209 OSM_LOG_EXIT(sa->p_log); 210} 211 212/********************************************************************** 213 **********************************************************************/ 214static void 215__osm_sa_pkey_by_comp_mask_cb(IN cl_map_item_t * const p_map_item, 216 IN void *context) 217{ 218 const osm_port_t *const p_port = (osm_port_t *) p_map_item; 219 osm_pkey_search_ctxt_t *const p_ctxt = 220 (osm_pkey_search_ctxt_t *) context; 221 222 __osm_sa_pkey_by_comp_mask(p_ctxt->sa, p_port, p_ctxt); 223} 224 225/********************************************************************** 226 **********************************************************************/ 227void osm_pkey_rec_rcv_process(IN void *ctx, IN void *data) 228{ 229 osm_sa_t *sa = ctx; 230 osm_madw_t *p_madw = data; 231 const ib_sa_mad_t *p_rcvd_mad; 232 const ib_pkey_table_record_t *p_rcvd_rec; 233 const osm_port_t *p_port = NULL; 234 const ib_pkey_table_t *p_pkey; 235 cl_qlist_t rec_list; 236 osm_pkey_search_ctxt_t context; 237 ib_api_status_t status = IB_SUCCESS; 238 ib_net64_t comp_mask; 239 osm_physp_t *p_req_physp; 240 241 CL_ASSERT(sa); 242 243 OSM_LOG_ENTER(sa->p_log); 244 245 CL_ASSERT(p_madw); 246 247 p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw); 248 p_rcvd_rec = 249 (ib_pkey_table_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad); 250 comp_mask = p_rcvd_mad->comp_mask; 251 252 CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_PKEY_TBL_RECORD); 253 254 /* we only support SubnAdmGet and SubnAdmGetTable methods */ 255 if (p_rcvd_mad->method != IB_MAD_METHOD_GET && 256 p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) { 257 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4605: " 258 "Unsupported Method (%s)\n", 259 ib_get_sa_method_str(p_rcvd_mad->method)); 260 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR); 261 goto Exit; 262 } 263 264 /* 265 p922 - P_KeyTableRecords shall only be provided in response 266 to trusted requests. 267 Check that the requester is a trusted one. 268 */ 269 if (p_rcvd_mad->sm_key != sa->p_subn->opt.sa_key) { 270 /* This is not a trusted requester! */ 271 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4608: " 272 "Request from non-trusted requester: " 273 "Given SM_Key:0x%016" PRIx64 "\n", 274 cl_ntoh64(p_rcvd_mad->sm_key)); 275 osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID); 276 goto Exit; 277 } 278 279 /* update the requester physical port. */ 280 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn, 281 osm_madw_get_mad_addr_ptr 282 (p_madw)); 283 if (p_req_physp == NULL) { 284 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4604: " 285 "Cannot find requester physical port\n"); 286 goto Exit; 287 } 288 289 p_pkey = (ib_pkey_table_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad); 290 291 cl_qlist_init(&rec_list); 292 293 context.p_rcvd_rec = p_rcvd_rec; 294 context.p_list = &rec_list; 295 context.comp_mask = p_rcvd_mad->comp_mask; 296 context.sa = sa; 297 context.block_num = p_rcvd_rec->block_num; 298 context.p_req_physp = p_req_physp; 299 300 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 301 "Got Query Lid:%u(%02X), Block:0x%02X(%02X), Port:0x%02X(%02X)\n", 302 cl_ntoh16(p_rcvd_rec->lid), 303 (comp_mask & IB_PKEY_COMPMASK_LID) != 0, p_rcvd_rec->port_num, 304 (comp_mask & IB_PKEY_COMPMASK_PORT) != 0, p_rcvd_rec->block_num, 305 (comp_mask & IB_PKEY_COMPMASK_BLOCK) != 0); 306 307 cl_plock_acquire(sa->p_lock); 308 309 /* 310 If the user specified a LID, it obviously narrows our 311 work load, since we don't have to search every port 312 */ 313 if (comp_mask & IB_PKEY_COMPMASK_LID) { 314 status = osm_get_port_by_base_lid(sa->p_subn, p_rcvd_rec->lid, 315 &p_port); 316 if (status != IB_SUCCESS || p_port == NULL) { 317 status = IB_NOT_FOUND; 318 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 460B: " 319 "No port found with LID %u\n", 320 cl_ntoh16(p_rcvd_rec->lid)); 321 } 322 } 323 324 if (status == IB_SUCCESS) { 325 /* if we got a unique port - no need for a port search */ 326 if (p_port) 327 /* this does the loop on all the port phys ports */ 328 __osm_sa_pkey_by_comp_mask(sa, p_port, &context); 329 else 330 cl_qmap_apply_func(&sa->p_subn->port_guid_tbl, 331 __osm_sa_pkey_by_comp_mask_cb, 332 &context); 333 } 334 335 cl_plock_release(sa->p_lock); 336 337 osm_sa_respond(sa, p_madw, sizeof(ib_pkey_table_record_t), &rec_list); 338 339Exit: 340 OSM_LOG_EXIT(sa->p_log); 341} 342