1219820Sjeff/* 2219820Sjeff * Copyright (c) 2005-2007 Intel Corporation. All rights reserved. 3219820Sjeff * 4219820Sjeff * This software is available to you under a choice of one of two 5219820Sjeff * licenses. You may choose to be licensed under the terms of the GNU 6219820Sjeff * General Public License (GPL) Version 2, available from the file 7219820Sjeff * COPYING in the main directory of this source tree, or the 8219820Sjeff * OpenIB.org BSD license below: 9219820Sjeff * 10219820Sjeff * Redistribution and use in source and binary forms, with or 11219820Sjeff * without modification, are permitted provided that the following 12219820Sjeff * conditions are met: 13219820Sjeff * 14219820Sjeff * - Redistributions of source code must retain the above 15219820Sjeff * copyright notice, this list of conditions and the following 16219820Sjeff * disclaimer. 17219820Sjeff * 18219820Sjeff * - Redistributions in binary form must reproduce the above 19219820Sjeff * copyright notice, this list of conditions and the following 20219820Sjeff * disclaimer in the documentation and/or other materials 21219820Sjeff * provided with the distribution. 22219820Sjeff * 23219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30219820Sjeff * SOFTWARE. 31219820Sjeff * 32219820Sjeff * $Id$ 33219820Sjeff */ 34219820Sjeff 35219820Sjeff#include <stdlib.h> 36219820Sjeff#include <string.h> 37219820Sjeff#include <stdio.h> 38219820Sjeff#include <errno.h> 39219820Sjeff#include <sys/types.h> 40219820Sjeff#include <netinet/in.h> 41219820Sjeff#include <arpa/inet.h> 42219820Sjeff#include <sys/socket.h> 43219820Sjeff#include <netdb.h> 44219820Sjeff#include <byteswap.h> 45219820Sjeff#include <unistd.h> 46219820Sjeff#include <getopt.h> 47219820Sjeff 48219820Sjeff#include <rdma/rdma_cma.h> 49219820Sjeff 50219820Sjeffstruct cmatest_node { 51219820Sjeff int id; 52219820Sjeff struct rdma_cm_id *cma_id; 53219820Sjeff int connected; 54219820Sjeff struct ibv_pd *pd; 55219820Sjeff struct ibv_cq *cq; 56219820Sjeff struct ibv_mr *mr; 57219820Sjeff struct ibv_ah *ah; 58219820Sjeff uint32_t remote_qpn; 59219820Sjeff uint32_t remote_qkey; 60219820Sjeff void *mem; 61219820Sjeff}; 62219820Sjeff 63219820Sjeffstruct cmatest { 64219820Sjeff struct rdma_event_channel *channel; 65219820Sjeff pthread_t cmathread; 66219820Sjeff struct cmatest_node *nodes; 67219820Sjeff int conn_index; 68219820Sjeff int connects_left; 69219820Sjeff 70219820Sjeff struct sockaddr_in6 dst_in; 71219820Sjeff struct sockaddr *dst_addr; 72219820Sjeff struct sockaddr_in6 src_in; 73219820Sjeff struct sockaddr *src_addr; 74219820Sjeff}; 75219820Sjeff 76219820Sjeffstatic struct cmatest test; 77219820Sjeffstatic int connections = 1; 78219820Sjeffstatic int message_size = 100; 79219820Sjeffstatic int message_count = 10; 80219820Sjeffstatic int is_sender; 81219820Sjeffstatic int unmapped_addr; 82219820Sjeffstatic char *dst_addr; 83219820Sjeffstatic char *src_addr; 84219820Sjeffstatic enum rdma_port_space port_space = RDMA_PS_UDP; 85219820Sjeff 86219820Sjeffstatic int create_message(struct cmatest_node *node) 87219820Sjeff{ 88219820Sjeff if (!message_size) 89219820Sjeff message_count = 0; 90219820Sjeff 91219820Sjeff if (!message_count) 92219820Sjeff return 0; 93219820Sjeff 94219820Sjeff node->mem = malloc(message_size + sizeof(struct ibv_grh)); 95219820Sjeff if (!node->mem) { 96219820Sjeff printf("failed message allocation\n"); 97219820Sjeff return -1; 98219820Sjeff } 99219820Sjeff node->mr = ibv_reg_mr(node->pd, node->mem, 100219820Sjeff message_size + sizeof(struct ibv_grh), 101219820Sjeff IBV_ACCESS_LOCAL_WRITE); 102219820Sjeff if (!node->mr) { 103219820Sjeff printf("failed to reg MR\n"); 104219820Sjeff goto err; 105219820Sjeff } 106219820Sjeff return 0; 107219820Sjefferr: 108219820Sjeff free(node->mem); 109219820Sjeff return -1; 110219820Sjeff} 111219820Sjeff 112219820Sjeffstatic int verify_test_params(struct cmatest_node *node) 113219820Sjeff{ 114219820Sjeff struct ibv_port_attr port_attr; 115219820Sjeff int ret; 116219820Sjeff 117219820Sjeff ret = ibv_query_port(node->cma_id->verbs, node->cma_id->port_num, 118219820Sjeff &port_attr); 119219820Sjeff if (ret) 120219820Sjeff return ret; 121219820Sjeff 122219820Sjeff if (message_count && message_size > (1 << (port_attr.active_mtu + 7))) { 123219820Sjeff printf("mckey: message_size %d is larger than active mtu %d\n", 124219820Sjeff message_size, 1 << (port_attr.active_mtu + 7)); 125219820Sjeff return -EINVAL; 126219820Sjeff } 127219820Sjeff 128219820Sjeff return 0; 129219820Sjeff} 130219820Sjeff 131219820Sjeffstatic int init_node(struct cmatest_node *node) 132219820Sjeff{ 133219820Sjeff struct ibv_qp_init_attr init_qp_attr; 134219820Sjeff int cqe, ret; 135219820Sjeff 136219820Sjeff node->pd = ibv_alloc_pd(node->cma_id->verbs); 137219820Sjeff if (!node->pd) { 138219820Sjeff ret = -ENOMEM; 139219820Sjeff printf("mckey: unable to allocate PD\n"); 140219820Sjeff goto out; 141219820Sjeff } 142219820Sjeff 143219820Sjeff cqe = message_count ? message_count * 2 : 2; 144219820Sjeff node->cq = ibv_create_cq(node->cma_id->verbs, cqe, node, 0, 0); 145219820Sjeff if (!node->cq) { 146219820Sjeff ret = -ENOMEM; 147219820Sjeff printf("mckey: unable to create CQ\n"); 148219820Sjeff goto out; 149219820Sjeff } 150219820Sjeff 151219820Sjeff memset(&init_qp_attr, 0, sizeof init_qp_attr); 152219820Sjeff init_qp_attr.cap.max_send_wr = message_count ? message_count : 1; 153219820Sjeff init_qp_attr.cap.max_recv_wr = message_count ? message_count : 1; 154219820Sjeff init_qp_attr.cap.max_send_sge = 1; 155219820Sjeff init_qp_attr.cap.max_recv_sge = 1; 156219820Sjeff init_qp_attr.qp_context = node; 157219820Sjeff init_qp_attr.sq_sig_all = 0; 158219820Sjeff init_qp_attr.qp_type = IBV_QPT_UD; 159219820Sjeff init_qp_attr.send_cq = node->cq; 160219820Sjeff init_qp_attr.recv_cq = node->cq; 161219820Sjeff ret = rdma_create_qp(node->cma_id, node->pd, &init_qp_attr); 162219820Sjeff if (ret) { 163219820Sjeff perror("mckey: unable to create QP"); 164219820Sjeff goto out; 165219820Sjeff } 166219820Sjeff 167219820Sjeff ret = create_message(node); 168219820Sjeff if (ret) { 169219820Sjeff printf("mckey: failed to create messages: %d\n", ret); 170219820Sjeff goto out; 171219820Sjeff } 172219820Sjeffout: 173219820Sjeff return ret; 174219820Sjeff} 175219820Sjeff 176219820Sjeffstatic int post_recvs(struct cmatest_node *node) 177219820Sjeff{ 178219820Sjeff struct ibv_recv_wr recv_wr, *recv_failure; 179219820Sjeff struct ibv_sge sge; 180219820Sjeff int i, ret = 0; 181219820Sjeff 182219820Sjeff if (!message_count) 183219820Sjeff return 0; 184219820Sjeff 185219820Sjeff recv_wr.next = NULL; 186219820Sjeff recv_wr.sg_list = &sge; 187219820Sjeff recv_wr.num_sge = 1; 188219820Sjeff recv_wr.wr_id = (uintptr_t) node; 189219820Sjeff 190219820Sjeff sge.length = message_size + sizeof(struct ibv_grh); 191219820Sjeff sge.lkey = node->mr->lkey; 192219820Sjeff sge.addr = (uintptr_t) node->mem; 193219820Sjeff 194219820Sjeff for (i = 0; i < message_count && !ret; i++ ) { 195219820Sjeff ret = ibv_post_recv(node->cma_id->qp, &recv_wr, &recv_failure); 196219820Sjeff if (ret) { 197219820Sjeff printf("failed to post receives: %d\n", ret); 198219820Sjeff break; 199219820Sjeff } 200219820Sjeff } 201219820Sjeff return ret; 202219820Sjeff} 203219820Sjeff 204219820Sjeffstatic int post_sends(struct cmatest_node *node, int signal_flag) 205219820Sjeff{ 206219820Sjeff struct ibv_send_wr send_wr, *bad_send_wr; 207219820Sjeff struct ibv_sge sge; 208219820Sjeff int i, ret = 0; 209219820Sjeff 210219820Sjeff if (!node->connected || !message_count) 211219820Sjeff return 0; 212219820Sjeff 213219820Sjeff send_wr.next = NULL; 214219820Sjeff send_wr.sg_list = &sge; 215219820Sjeff send_wr.num_sge = 1; 216219820Sjeff send_wr.opcode = IBV_WR_SEND_WITH_IMM; 217219820Sjeff send_wr.send_flags = signal_flag; 218219820Sjeff send_wr.wr_id = (unsigned long)node; 219219820Sjeff send_wr.imm_data = htonl(node->cma_id->qp->qp_num); 220219820Sjeff 221219820Sjeff send_wr.wr.ud.ah = node->ah; 222219820Sjeff send_wr.wr.ud.remote_qpn = node->remote_qpn; 223219820Sjeff send_wr.wr.ud.remote_qkey = node->remote_qkey; 224219820Sjeff 225219820Sjeff sge.length = message_size; 226219820Sjeff sge.lkey = node->mr->lkey; 227219820Sjeff sge.addr = (uintptr_t) node->mem; 228219820Sjeff 229219820Sjeff for (i = 0; i < message_count && !ret; i++) { 230219820Sjeff ret = ibv_post_send(node->cma_id->qp, &send_wr, &bad_send_wr); 231219820Sjeff if (ret) 232219820Sjeff printf("failed to post sends: %d\n", ret); 233219820Sjeff } 234219820Sjeff return ret; 235219820Sjeff} 236219820Sjeff 237219820Sjeffstatic void connect_error(void) 238219820Sjeff{ 239219820Sjeff test.connects_left--; 240219820Sjeff} 241219820Sjeff 242219820Sjeffstatic int addr_handler(struct cmatest_node *node) 243219820Sjeff{ 244219820Sjeff int ret; 245219820Sjeff 246219820Sjeff ret = verify_test_params(node); 247219820Sjeff if (ret) 248219820Sjeff goto err; 249219820Sjeff 250219820Sjeff ret = init_node(node); 251219820Sjeff if (ret) 252219820Sjeff goto err; 253219820Sjeff 254219820Sjeff if (!is_sender) { 255219820Sjeff ret = post_recvs(node); 256219820Sjeff if (ret) 257219820Sjeff goto err; 258219820Sjeff } 259219820Sjeff 260219820Sjeff ret = rdma_join_multicast(node->cma_id, test.dst_addr, node); 261219820Sjeff if (ret) { 262219820Sjeff perror("mckey: failure joining"); 263219820Sjeff goto err; 264219820Sjeff } 265219820Sjeff return 0; 266219820Sjefferr: 267219820Sjeff connect_error(); 268219820Sjeff return ret; 269219820Sjeff} 270219820Sjeff 271219820Sjeffstatic int join_handler(struct cmatest_node *node, 272219820Sjeff struct rdma_ud_param *param) 273219820Sjeff{ 274219820Sjeff char buf[40]; 275219820Sjeff 276219820Sjeff inet_ntop(AF_INET6, param->ah_attr.grh.dgid.raw, buf, 40); 277219820Sjeff printf("mckey: joined dgid: %s mlid 0x%x sl %d\n", buf, 278219820Sjeff param->ah_attr.dlid, param->ah_attr.sl); 279219820Sjeff 280219820Sjeff node->remote_qpn = param->qp_num; 281219820Sjeff node->remote_qkey = param->qkey; 282219820Sjeff node->ah = ibv_create_ah(node->pd, ¶m->ah_attr); 283219820Sjeff if (!node->ah) { 284219820Sjeff printf("mckey: failure creating address handle\n"); 285219820Sjeff goto err; 286219820Sjeff } 287219820Sjeff 288219820Sjeff node->connected = 1; 289219820Sjeff test.connects_left--; 290219820Sjeff return 0; 291219820Sjefferr: 292219820Sjeff connect_error(); 293219820Sjeff return -1; 294219820Sjeff} 295219820Sjeff 296219820Sjeffstatic int cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) 297219820Sjeff{ 298219820Sjeff int ret = 0; 299219820Sjeff 300219820Sjeff switch (event->event) { 301219820Sjeff case RDMA_CM_EVENT_ADDR_RESOLVED: 302219820Sjeff ret = addr_handler(cma_id->context); 303219820Sjeff break; 304219820Sjeff case RDMA_CM_EVENT_MULTICAST_JOIN: 305219820Sjeff ret = join_handler(cma_id->context, &event->param.ud); 306219820Sjeff break; 307219820Sjeff case RDMA_CM_EVENT_ADDR_ERROR: 308219820Sjeff case RDMA_CM_EVENT_ROUTE_ERROR: 309219820Sjeff case RDMA_CM_EVENT_MULTICAST_ERROR: 310219820Sjeff printf("mckey: event: %s, error: %d\n", 311219820Sjeff rdma_event_str(event->event), event->status); 312219820Sjeff connect_error(); 313219820Sjeff ret = event->status; 314219820Sjeff break; 315219820Sjeff case RDMA_CM_EVENT_DEVICE_REMOVAL: 316219820Sjeff /* Cleanup will occur after test completes. */ 317219820Sjeff break; 318219820Sjeff default: 319219820Sjeff break; 320219820Sjeff } 321219820Sjeff return ret; 322219820Sjeff} 323219820Sjeff 324219820Sjeffstatic void *cma_thread(void *arg) 325219820Sjeff{ 326219820Sjeff struct rdma_cm_event *event; 327219820Sjeff int ret; 328219820Sjeff 329219820Sjeff while (1) { 330219820Sjeff ret = rdma_get_cm_event(test.channel, &event); 331219820Sjeff if (ret) { 332219820Sjeff perror("rdma_get_cm_event"); 333219820Sjeff break; 334219820Sjeff } 335219820Sjeff 336219820Sjeff switch (event->event) { 337219820Sjeff case RDMA_CM_EVENT_MULTICAST_ERROR: 338219820Sjeff case RDMA_CM_EVENT_ADDR_CHANGE: 339219820Sjeff printf("mckey: event: %s, status: %d\n", 340219820Sjeff rdma_event_str(event->event), event->status); 341219820Sjeff break; 342219820Sjeff default: 343219820Sjeff break; 344219820Sjeff } 345219820Sjeff 346219820Sjeff rdma_ack_cm_event(event); 347219820Sjeff } 348219820Sjeff return NULL; 349219820Sjeff} 350219820Sjeff 351219820Sjeffstatic void destroy_node(struct cmatest_node *node) 352219820Sjeff{ 353219820Sjeff if (!node->cma_id) 354219820Sjeff return; 355219820Sjeff 356219820Sjeff if (node->ah) 357219820Sjeff ibv_destroy_ah(node->ah); 358219820Sjeff 359219820Sjeff if (node->cma_id->qp) 360219820Sjeff rdma_destroy_qp(node->cma_id); 361219820Sjeff 362219820Sjeff if (node->cq) 363219820Sjeff ibv_destroy_cq(node->cq); 364219820Sjeff 365219820Sjeff if (node->mem) { 366219820Sjeff ibv_dereg_mr(node->mr); 367219820Sjeff free(node->mem); 368219820Sjeff } 369219820Sjeff 370219820Sjeff if (node->pd) 371219820Sjeff ibv_dealloc_pd(node->pd); 372219820Sjeff 373219820Sjeff /* Destroy the RDMA ID after all device resources */ 374219820Sjeff rdma_destroy_id(node->cma_id); 375219820Sjeff} 376219820Sjeff 377219820Sjeffstatic int alloc_nodes(void) 378219820Sjeff{ 379219820Sjeff int ret, i; 380219820Sjeff 381219820Sjeff test.nodes = malloc(sizeof *test.nodes * connections); 382219820Sjeff if (!test.nodes) { 383219820Sjeff printf("mckey: unable to allocate memory for test nodes\n"); 384219820Sjeff return -ENOMEM; 385219820Sjeff } 386219820Sjeff memset(test.nodes, 0, sizeof *test.nodes * connections); 387219820Sjeff 388219820Sjeff for (i = 0; i < connections; i++) { 389219820Sjeff test.nodes[i].id = i; 390219820Sjeff ret = rdma_create_id(test.channel, &test.nodes[i].cma_id, 391219820Sjeff &test.nodes[i], port_space); 392219820Sjeff if (ret) 393219820Sjeff goto err; 394219820Sjeff } 395219820Sjeff return 0; 396219820Sjefferr: 397219820Sjeff while (--i >= 0) 398219820Sjeff rdma_destroy_id(test.nodes[i].cma_id); 399219820Sjeff free(test.nodes); 400219820Sjeff return ret; 401219820Sjeff} 402219820Sjeff 403219820Sjeffstatic void destroy_nodes(void) 404219820Sjeff{ 405219820Sjeff int i; 406219820Sjeff 407219820Sjeff for (i = 0; i < connections; i++) 408219820Sjeff destroy_node(&test.nodes[i]); 409219820Sjeff free(test.nodes); 410219820Sjeff} 411219820Sjeff 412219820Sjeffstatic int poll_cqs(void) 413219820Sjeff{ 414219820Sjeff struct ibv_wc wc[8]; 415219820Sjeff int done, i, ret; 416219820Sjeff 417219820Sjeff for (i = 0; i < connections; i++) { 418219820Sjeff if (!test.nodes[i].connected) 419219820Sjeff continue; 420219820Sjeff 421219820Sjeff for (done = 0; done < message_count; done += ret) { 422219820Sjeff ret = ibv_poll_cq(test.nodes[i].cq, 8, wc); 423219820Sjeff if (ret < 0) { 424219820Sjeff printf("mckey: failed polling CQ: %d\n", ret); 425219820Sjeff return ret; 426219820Sjeff } 427219820Sjeff } 428219820Sjeff } 429219820Sjeff return 0; 430219820Sjeff} 431219820Sjeff 432219820Sjeffstatic int connect_events(void) 433219820Sjeff{ 434219820Sjeff struct rdma_cm_event *event; 435219820Sjeff int ret = 0; 436219820Sjeff 437219820Sjeff while (test.connects_left && !ret) { 438219820Sjeff ret = rdma_get_cm_event(test.channel, &event); 439219820Sjeff if (!ret) { 440219820Sjeff ret = cma_handler(event->id, event); 441219820Sjeff rdma_ack_cm_event(event); 442219820Sjeff } 443219820Sjeff } 444219820Sjeff return ret; 445219820Sjeff} 446219820Sjeff 447219820Sjeffstatic int get_addr(char *dst, struct sockaddr *addr) 448219820Sjeff{ 449219820Sjeff struct addrinfo *res; 450219820Sjeff int ret; 451219820Sjeff 452219820Sjeff ret = getaddrinfo(dst, NULL, NULL, &res); 453219820Sjeff if (ret) { 454219820Sjeff printf("getaddrinfo failed - invalid hostname or IP address\n"); 455219820Sjeff return ret; 456219820Sjeff } 457219820Sjeff 458219820Sjeff memcpy(addr, res->ai_addr, res->ai_addrlen); 459219820Sjeff freeaddrinfo(res); 460219820Sjeff return ret; 461219820Sjeff} 462219820Sjeff 463219820Sjeffstatic int run(void) 464219820Sjeff{ 465219820Sjeff int i, ret; 466219820Sjeff 467219820Sjeff printf("mckey: starting %s\n", is_sender ? "client" : "server"); 468219820Sjeff if (src_addr) { 469219820Sjeff ret = get_addr(src_addr, (struct sockaddr *) &test.src_in); 470219820Sjeff if (ret) 471219820Sjeff return ret; 472219820Sjeff } 473219820Sjeff 474219820Sjeff ret = get_addr(dst_addr, (struct sockaddr *) &test.dst_in); 475219820Sjeff if (ret) 476219820Sjeff return ret; 477219820Sjeff 478219820Sjeff printf("mckey: joining\n"); 479219820Sjeff for (i = 0; i < connections; i++) { 480219820Sjeff if (src_addr) { 481219820Sjeff ret = rdma_bind_addr(test.nodes[i].cma_id, 482219820Sjeff test.src_addr); 483219820Sjeff if (ret) { 484219820Sjeff perror("mckey: addr bind failure"); 485219820Sjeff connect_error(); 486219820Sjeff return ret; 487219820Sjeff } 488219820Sjeff } 489219820Sjeff 490219820Sjeff if (unmapped_addr) 491219820Sjeff ret = addr_handler(&test.nodes[i]); 492219820Sjeff else 493219820Sjeff ret = rdma_resolve_addr(test.nodes[i].cma_id, 494219820Sjeff test.src_addr, test.dst_addr, 495219820Sjeff 2000); 496219820Sjeff if (ret) { 497219820Sjeff perror("mckey: resolve addr failure"); 498219820Sjeff connect_error(); 499219820Sjeff return ret; 500219820Sjeff } 501219820Sjeff } 502219820Sjeff 503219820Sjeff ret = connect_events(); 504219820Sjeff if (ret) 505219820Sjeff goto out; 506219820Sjeff 507219820Sjeff pthread_create(&test.cmathread, NULL, cma_thread, NULL); 508219820Sjeff 509219820Sjeff /* 510219820Sjeff * Pause to give SM chance to configure switches. We don't want to 511219820Sjeff * handle reliability issue in this simple test program. 512219820Sjeff */ 513219820Sjeff sleep(3); 514219820Sjeff 515219820Sjeff if (message_count) { 516219820Sjeff if (is_sender) { 517219820Sjeff printf("initiating data transfers\n"); 518219820Sjeff for (i = 0; i < connections; i++) { 519219820Sjeff ret = post_sends(&test.nodes[i], 0); 520219820Sjeff if (ret) 521219820Sjeff goto out; 522219820Sjeff } 523219820Sjeff } else { 524219820Sjeff printf("receiving data transfers\n"); 525219820Sjeff ret = poll_cqs(); 526219820Sjeff if (ret) 527219820Sjeff goto out; 528219820Sjeff } 529219820Sjeff printf("data transfers complete\n"); 530219820Sjeff } 531219820Sjeffout: 532219820Sjeff for (i = 0; i < connections; i++) { 533219820Sjeff ret = rdma_leave_multicast(test.nodes[i].cma_id, 534219820Sjeff test.dst_addr); 535219820Sjeff if (ret) 536219820Sjeff perror("mckey: failure leaving"); 537219820Sjeff } 538219820Sjeff return ret; 539219820Sjeff} 540219820Sjeff 541219820Sjeffint main(int argc, char **argv) 542219820Sjeff{ 543219820Sjeff int op, ret; 544219820Sjeff 545219820Sjeff 546219820Sjeff while ((op = getopt(argc, argv, "m:M:sb:c:C:S:p:")) != -1) { 547219820Sjeff switch (op) { 548219820Sjeff case 'm': 549219820Sjeff dst_addr = optarg; 550219820Sjeff break; 551219820Sjeff case 'M': 552219820Sjeff unmapped_addr = 1; 553219820Sjeff dst_addr = optarg; 554219820Sjeff break; 555219820Sjeff case 's': 556219820Sjeff is_sender = 1; 557219820Sjeff break; 558219820Sjeff case 'b': 559219820Sjeff src_addr = optarg; 560219820Sjeff test.src_addr = (struct sockaddr *) &test.src_in; 561219820Sjeff break; 562219820Sjeff case 'c': 563219820Sjeff connections = atoi(optarg); 564219820Sjeff break; 565219820Sjeff case 'C': 566219820Sjeff message_count = atoi(optarg); 567219820Sjeff break; 568219820Sjeff case 'S': 569219820Sjeff message_size = atoi(optarg); 570219820Sjeff break; 571219820Sjeff case 'p': 572219820Sjeff port_space = strtol(optarg, NULL, 0); 573219820Sjeff break; 574219820Sjeff default: 575219820Sjeff printf("usage: %s\n", argv[0]); 576219820Sjeff printf("\t-m multicast_address\n"); 577219820Sjeff printf("\t[-M unmapped_multicast_address]\n" 578219820Sjeff "\t replaces -m and requires -b\n"); 579219820Sjeff printf("\t[-s(ender)]\n"); 580219820Sjeff printf("\t[-b bind_address]\n"); 581219820Sjeff printf("\t[-c connections]\n"); 582219820Sjeff printf("\t[-C message_count]\n"); 583219820Sjeff printf("\t[-S message_size]\n"); 584219820Sjeff printf("\t[-p port_space - %#x for UDP (default), " 585219820Sjeff "%#x for IPOIB]\n", RDMA_PS_UDP, RDMA_PS_IPOIB); 586219820Sjeff exit(1); 587219820Sjeff } 588219820Sjeff } 589219820Sjeff 590219820Sjeff if (unmapped_addr && !src_addr) { 591219820Sjeff printf("unmapped multicast address requires binding " 592219820Sjeff "to source address\n"); 593219820Sjeff exit(1); 594219820Sjeff } 595219820Sjeff 596219820Sjeff test.dst_addr = (struct sockaddr *) &test.dst_in; 597219820Sjeff test.connects_left = connections; 598219820Sjeff 599219820Sjeff test.channel = rdma_create_event_channel(); 600219820Sjeff if (!test.channel) { 601219820Sjeff perror("failed to create event channel"); 602219820Sjeff exit(1); 603219820Sjeff } 604219820Sjeff 605219820Sjeff if (alloc_nodes()) 606219820Sjeff exit(1); 607219820Sjeff 608219820Sjeff ret = run(); 609219820Sjeff 610219820Sjeff printf("test complete\n"); 611219820Sjeff destroy_nodes(); 612219820Sjeff rdma_destroy_event_channel(test.channel); 613219820Sjeff 614219820Sjeff printf("return status %d\n", ret); 615219820Sjeff return ret; 616219820Sjeff} 617