1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(C) 2019 Marvell International Ltd. 3 */ 4 5 #include <rte_string_fns.h> 6 7 #include "l2fwd_event.h" 8 #include "l2fwd_poll.h" 9 10 /* display usage */ 11 static void 12 l2fwd_event_usage(const char *prgname) 13 { 14 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 15 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 16 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 17 " -T PERIOD: statistics will be refreshed each PERIOD seconds " 18 " (0 to disable, 10 default, 86400 maximum)\n" 19 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" 20 " When enabled:\n" 21 " - The source MAC address is replaced by the TX port MAC address\n" 22 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n" 23 " --mode: Packet transfer mode for I/O, poll or eventdev\n" 24 " Default mode = eventdev\n" 25 " --eventq-sched: Event queue schedule type, ordered, atomic or parallel.\n" 26 " Default: atomic\n" 27 " Valid only if --mode=eventdev\n" 28 " --event-vector: Enable event vectorization.\n" 29 " --event-vector-size: Max vector size if event vectorization is enabled.\n" 30 " --event-vector-tmo: Max timeout to form vector in nanoseconds if event vectorization is enabled\n" 31 " --config: Configure forwarding port pair mapping\n" 32 " Default: alternate port pairs\n\n", 33 prgname); 34 } 35 36 static int 37 l2fwd_event_parse_portmask(const char *portmask) 38 { 39 char *end = NULL; 40 unsigned long pm; 41 42 /* parse hexadecimal string */ 43 pm = strtoul(portmask, &end, 16); 44 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 45 return 0; 46 47 return pm; 48 } 49 50 static unsigned int 51 l2fwd_event_parse_nqueue(const char *q_arg) 52 { 53 char *end = NULL; 54 unsigned long n; 55 56 /* parse hexadecimal string */ 57 n = strtoul(q_arg, &end, 10); 58 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 59 return 0; 60 if (n == 0) 61 return 0; 62 if (n >= MAX_RX_QUEUE_PER_LCORE) 63 return 0; 64 65 return n; 66 } 67 68 static int 69 l2fwd_event_parse_timer_period(const char *q_arg) 70 { 71 char *end = NULL; 72 int n; 73 74 /* parse number string */ 75 n = strtol(q_arg, &end, 10); 76 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 77 return -1; 78 if (n >= MAX_TIMER_PERIOD) 79 return -1; 80 81 return n; 82 } 83 84 static void 85 l2fwd_event_parse_mode(const char *optarg, 86 struct l2fwd_resources *rsrc) 87 { 88 if (!strncmp(optarg, "poll", 4)) 89 rsrc->event_mode = false; 90 else if (!strncmp(optarg, "eventdev", 8)) 91 rsrc->event_mode = true; 92 } 93 94 static void 95 l2fwd_event_parse_eventq_sched(const char *optarg, 96 struct l2fwd_resources *rsrc) 97 { 98 if (!strncmp(optarg, "ordered", 7)) 99 rsrc->sched_type = RTE_SCHED_TYPE_ORDERED; 100 else if (!strncmp(optarg, "atomic", 6)) 101 rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC; 102 else if (!strncmp(optarg, "parallel", 8)) 103 rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL; 104 } 105 106 static int 107 l2fwd_parse_port_pair_config(const char *q_arg, struct l2fwd_resources *rsrc) 108 { 109 enum fieldnames { 110 FLD_PORT1 = 0, 111 FLD_PORT2, 112 _NUM_FLD 113 }; 114 const char *p, *p0 = q_arg; 115 uint16_t int_fld[_NUM_FLD]; 116 char *str_fld[_NUM_FLD]; 117 uint16_t port_pair = 0; 118 unsigned int size; 119 char s[256]; 120 char *end; 121 int i; 122 123 while ((p = strchr(p0, '(')) != NULL) { 124 ++p; 125 p0 = strchr(p, ')'); 126 if (p0 == NULL) 127 return -1; 128 129 size = p0 - p; 130 if (size >= sizeof(s)) 131 return -1; 132 133 memcpy(s, p, size); 134 if (rte_strsplit(s, sizeof(s), str_fld, 135 _NUM_FLD, ',') != _NUM_FLD) 136 return -1; 137 138 for (i = 0; i < _NUM_FLD; i++) { 139 errno = 0; 140 int_fld[i] = strtoul(str_fld[i], &end, 0); 141 if (errno != 0 || end == str_fld[i] || 142 int_fld[i] >= RTE_MAX_ETHPORTS) 143 return -1; 144 } 145 146 if (port_pair >= RTE_MAX_ETHPORTS / 2) { 147 printf("exceeded max number of port pair params: Current %d Max = %d\n", 148 port_pair, RTE_MAX_ETHPORTS / 2); 149 return -1; 150 } 151 152 if ((rsrc->dst_ports[int_fld[FLD_PORT1]] != UINT32_MAX) || 153 (rsrc->dst_ports[int_fld[FLD_PORT2]] != UINT32_MAX)) { 154 printf("Duplicate port pair (%d,%d) config\n", 155 int_fld[FLD_PORT1], int_fld[FLD_PORT2]); 156 return -1; 157 } 158 159 rsrc->dst_ports[int_fld[FLD_PORT1]] = int_fld[FLD_PORT2]; 160 rsrc->dst_ports[int_fld[FLD_PORT2]] = int_fld[FLD_PORT1]; 161 162 port_pair++; 163 } 164 165 rsrc->port_pairs = true; 166 167 return 0; 168 } 169 170 static const char short_options[] = 171 "p:" /* portmask */ 172 "q:" /* number of queues */ 173 "T:" /* timer period */ 174 ; 175 176 #define CMD_LINE_OPT_MAC_UPDATING "mac-updating" 177 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating" 178 #define CMD_LINE_OPT_MODE "mode" 179 #define CMD_LINE_OPT_EVENTQ_SCHED "eventq-sched" 180 #define CMD_LINE_OPT_PORT_PAIR_CONF "config" 181 #define CMD_LINE_OPT_ENABLE_VECTOR "event-vector" 182 #define CMD_LINE_OPT_VECTOR_SIZE "event-vector-size" 183 #define CMD_LINE_OPT_VECTOR_TMO_NS "event-vector-tmo" 184 185 enum { 186 /* long options mapped to a short option */ 187 188 /* first long only option value must be >= 256, so that we won't 189 * conflict with short options 190 */ 191 CMD_LINE_OPT_MIN_NUM = 256, 192 CMD_LINE_OPT_MODE_NUM, 193 CMD_LINE_OPT_EVENTQ_SCHED_NUM, 194 CMD_LINE_OPT_PORT_PAIR_CONF_NUM, 195 CMD_LINE_OPT_ENABLE_VECTOR_NUM, 196 CMD_LINE_OPT_VECTOR_SIZE_NUM, 197 CMD_LINE_OPT_VECTOR_TMO_NS_NUM 198 }; 199 200 /* Parse the argument given in the command line of the application */ 201 static int 202 l2fwd_event_parse_args(int argc, char **argv, struct l2fwd_resources *rsrc) 203 { 204 int mac_updating = 1; 205 struct option lgopts[] = { 206 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1}, 207 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0}, 208 { CMD_LINE_OPT_MODE, required_argument, NULL, 209 CMD_LINE_OPT_MODE_NUM}, 210 { CMD_LINE_OPT_EVENTQ_SCHED, required_argument, NULL, 211 CMD_LINE_OPT_EVENTQ_SCHED_NUM}, 212 { CMD_LINE_OPT_PORT_PAIR_CONF, required_argument, NULL, 213 CMD_LINE_OPT_PORT_PAIR_CONF_NUM}, 214 {CMD_LINE_OPT_ENABLE_VECTOR, no_argument, NULL, 215 CMD_LINE_OPT_ENABLE_VECTOR_NUM}, 216 {CMD_LINE_OPT_VECTOR_SIZE, required_argument, NULL, 217 CMD_LINE_OPT_VECTOR_SIZE_NUM}, 218 {CMD_LINE_OPT_VECTOR_TMO_NS, required_argument, NULL, 219 CMD_LINE_OPT_VECTOR_TMO_NS_NUM}, 220 {NULL, 0, 0, 0} 221 }; 222 int opt, ret, timer_secs; 223 char *prgname = argv[0]; 224 uint16_t port_id; 225 int option_index; 226 char **argvopt; 227 228 /* Reset l2fwd_dst_ports. 8< */ 229 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) 230 rsrc->dst_ports[port_id] = UINT32_MAX; 231 232 argvopt = argv; 233 while ((opt = getopt_long(argc, argvopt, short_options, 234 lgopts, &option_index)) != EOF) { 235 236 switch (opt) { 237 /* portmask */ 238 case 'p': 239 rsrc->enabled_port_mask = 240 l2fwd_event_parse_portmask(optarg); 241 if (rsrc->enabled_port_mask == 0) { 242 printf("invalid portmask\n"); 243 l2fwd_event_usage(prgname); 244 return -1; 245 } 246 break; 247 248 /* nqueue */ 249 case 'q': 250 rsrc->rx_queue_per_lcore = 251 l2fwd_event_parse_nqueue(optarg); 252 if (rsrc->rx_queue_per_lcore == 0) { 253 printf("invalid queue number\n"); 254 l2fwd_event_usage(prgname); 255 return -1; 256 } 257 break; 258 259 /* timer period */ 260 case 'T': 261 timer_secs = l2fwd_event_parse_timer_period(optarg); 262 if (timer_secs < 0) { 263 printf("invalid timer period\n"); 264 l2fwd_event_usage(prgname); 265 return -1; 266 } 267 rsrc->timer_period = timer_secs; 268 /* convert to number of cycles */ 269 rsrc->timer_period *= rte_get_timer_hz(); 270 break; 271 272 case CMD_LINE_OPT_MODE_NUM: 273 l2fwd_event_parse_mode(optarg, rsrc); 274 break; 275 276 case CMD_LINE_OPT_EVENTQ_SCHED_NUM: 277 l2fwd_event_parse_eventq_sched(optarg, rsrc); 278 break; 279 280 case CMD_LINE_OPT_PORT_PAIR_CONF_NUM: 281 ret = l2fwd_parse_port_pair_config(optarg, rsrc); 282 if (ret) { 283 printf("Invalid port pair config\n"); 284 l2fwd_event_usage(prgname); 285 return -1; 286 } 287 break; 288 case CMD_LINE_OPT_ENABLE_VECTOR_NUM: 289 printf("event vectorization is enabled\n"); 290 rsrc->evt_vec.enabled = 1; 291 break; 292 case CMD_LINE_OPT_VECTOR_SIZE_NUM: 293 rsrc->evt_vec.size = strtol(optarg, NULL, 10); 294 break; 295 case CMD_LINE_OPT_VECTOR_TMO_NS_NUM: 296 rsrc->evt_vec.timeout_ns = strtoull(optarg, NULL, 10); 297 break; 298 299 /* long options */ 300 case 0: 301 break; 302 303 default: 304 l2fwd_event_usage(prgname); 305 return -1; 306 } 307 } 308 309 rsrc->mac_updating = mac_updating; 310 311 if (rsrc->evt_vec.enabled && !rsrc->evt_vec.size) { 312 rsrc->evt_vec.size = VECTOR_SIZE_DEFAULT; 313 printf("vector size set to default (%" PRIu16 ")\n", 314 rsrc->evt_vec.size); 315 } 316 317 if (rsrc->evt_vec.enabled && !rsrc->evt_vec.timeout_ns) { 318 rsrc->evt_vec.timeout_ns = VECTOR_TMO_NS_DEFAULT; 319 printf("vector timeout set to default (%" PRIu64 " ns)\n", 320 rsrc->evt_vec.timeout_ns); 321 } 322 323 if (optind >= 0) 324 argv[optind-1] = prgname; 325 326 ret = optind-1; 327 optind = 1; /* reset getopt lib */ 328 return ret; 329 /* >8 End of reset l2fwd_dst_ports. */ 330 } 331 332 /* 333 * Check port pair config with enabled port mask, 334 * and for valid port pair combinations. 335 */ 336 static int 337 check_port_pair_config(struct l2fwd_resources *rsrc) 338 { 339 uint32_t port_pair_mask = 0; 340 uint32_t portid; 341 uint16_t index; 342 343 for (index = 0; index < rte_eth_dev_count_avail(); index++) { 344 if ((rsrc->enabled_port_mask & (1 << index)) == 0 || 345 (port_pair_mask & (1 << index))) 346 continue; 347 348 portid = rsrc->dst_ports[index]; 349 if (portid == UINT32_MAX) { 350 printf("port %u is enabled in but no valid port pair\n", 351 index); 352 return -1; 353 } 354 355 if (!rte_eth_dev_is_valid_port(index)) { 356 printf("port %u is not valid\n", index); 357 return -1; 358 } 359 360 if (!rte_eth_dev_is_valid_port(portid)) { 361 printf("port %u is not valid\n", portid); 362 return -1; 363 } 364 365 if (port_pair_mask & (1 << portid) && 366 rsrc->dst_ports[portid] != index) { 367 printf("port %u is used in other port pairs\n", portid); 368 return -1; 369 } 370 371 port_pair_mask |= (1 << portid); 372 port_pair_mask |= (1 << index); 373 } 374 375 return 0; 376 } 377 378 static int 379 l2fwd_launch_one_lcore(void *args) 380 { 381 struct l2fwd_resources *rsrc = args; 382 struct l2fwd_poll_resources *poll_rsrc = rsrc->poll_rsrc; 383 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; 384 385 if (rsrc->event_mode) 386 evt_rsrc->ops.l2fwd_event_loop(rsrc); 387 else 388 poll_rsrc->poll_main_loop(rsrc); 389 390 return 0; 391 } 392 393 /* Check the link status of all ports in up to 9s, and print them finally */ 394 static void 395 check_all_ports_link_status(struct l2fwd_resources *rsrc, 396 uint32_t port_mask) 397 { 398 #define CHECK_INTERVAL 100 /* 100ms */ 399 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 400 uint16_t port_id; 401 uint8_t count, all_ports_up, print_flag = 0; 402 struct rte_eth_link link; 403 int ret; 404 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 405 406 printf("\nChecking link status..."); 407 fflush(stdout); 408 for (count = 0; count <= MAX_CHECK_TIME; count++) { 409 if (rsrc->force_quit) 410 return; 411 all_ports_up = 1; 412 RTE_ETH_FOREACH_DEV(port_id) { 413 if (rsrc->force_quit) 414 return; 415 if ((port_mask & (1 << port_id)) == 0) 416 continue; 417 memset(&link, 0, sizeof(link)); 418 ret = rte_eth_link_get_nowait(port_id, &link); 419 if (ret < 0) { 420 all_ports_up = 0; 421 if (print_flag == 1) 422 printf("Port %u link get failed: %s\n", 423 port_id, rte_strerror(-ret)); 424 continue; 425 } 426 /* print link status if flag set */ 427 if (print_flag == 1) { 428 rte_eth_link_to_str(link_status_text, 429 sizeof(link_status_text), &link); 430 printf("Port %d %s\n", port_id, 431 link_status_text); 432 continue; 433 } 434 /* clear all_ports_up flag if any link down */ 435 if (link.link_status == RTE_ETH_LINK_DOWN) { 436 all_ports_up = 0; 437 break; 438 } 439 } 440 /* after finally printing all link status, get out */ 441 if (print_flag == 1) 442 break; 443 444 if (all_ports_up == 0) { 445 printf("."); 446 fflush(stdout); 447 rte_delay_ms(CHECK_INTERVAL); 448 } 449 450 /* set the print_flag if all ports up or timeout */ 451 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 452 print_flag = 1; 453 printf("done\n"); 454 } 455 } 456 } 457 458 /* Print out statistics on packets dropped */ 459 static void 460 print_stats(struct l2fwd_resources *rsrc) 461 { 462 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 463 uint32_t port_id; 464 465 total_packets_dropped = 0; 466 total_packets_tx = 0; 467 total_packets_rx = 0; 468 469 const char clr[] = {27, '[', '2', 'J', '\0' }; 470 const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0' }; 471 472 /* Clear screen and move to top left */ 473 printf("%s%s", clr, topLeft); 474 475 printf("\nPort statistics ===================================="); 476 477 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) { 478 /* skip disabled ports */ 479 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) 480 continue; 481 printf("\nStatistics for port %u ------------------------------" 482 "\nPackets sent: %29"PRIu64 483 "\nPackets received: %25"PRIu64 484 "\nPackets dropped: %26"PRIu64, 485 port_id, 486 rsrc->port_stats[port_id].tx, 487 rsrc->port_stats[port_id].rx, 488 rsrc->port_stats[port_id].dropped); 489 490 total_packets_dropped += 491 rsrc->port_stats[port_id].dropped; 492 total_packets_tx += rsrc->port_stats[port_id].tx; 493 total_packets_rx += rsrc->port_stats[port_id].rx; 494 } 495 496 if (rsrc->event_mode) { 497 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; 498 struct rte_event_eth_rx_adapter_stats rx_adptr_stats; 499 struct rte_event_eth_tx_adapter_stats tx_adptr_stats; 500 int ret, i; 501 502 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) { 503 ret = rte_event_eth_rx_adapter_stats_get( 504 evt_rsrc->rx_adptr.rx_adptr[i], 505 &rx_adptr_stats); 506 if (ret < 0) 507 continue; 508 printf("\nRx adapter[%d] statistics====================" 509 "\nReceive queue poll count: %17"PRIu64 510 "\nReceived packet count: %20"PRIu64 511 "\nEventdev enqueue count: %19"PRIu64 512 "\nEventdev enqueue retry count: %13"PRIu64 513 "\nReceived packet dropped count: %12"PRIu64 514 "\nRx enqueue start timestamp: %15"PRIu64 515 "\nRx enqueue block cycles: %18"PRIu64 516 "\nRx enqueue unblock timestamp: %13"PRIu64, 517 evt_rsrc->rx_adptr.rx_adptr[i], 518 rx_adptr_stats.rx_poll_count, 519 rx_adptr_stats.rx_packets, 520 rx_adptr_stats.rx_enq_count, 521 rx_adptr_stats.rx_enq_retry, 522 rx_adptr_stats.rx_dropped, 523 rx_adptr_stats.rx_enq_start_ts, 524 rx_adptr_stats.rx_enq_block_cycles, 525 rx_adptr_stats.rx_enq_end_ts); 526 } 527 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) { 528 ret = rte_event_eth_tx_adapter_stats_get( 529 evt_rsrc->tx_adptr.tx_adptr[i], 530 &tx_adptr_stats); 531 if (ret < 0) 532 continue; 533 printf("\nTx adapter[%d] statistics====================" 534 "\nNumber of transmit retries: %15"PRIu64 535 "\nNumber of packets transmitted: %12"PRIu64 536 "\nNumber of packets dropped: %16"PRIu64, 537 evt_rsrc->tx_adptr.tx_adptr[i], 538 tx_adptr_stats.tx_retry, 539 tx_adptr_stats.tx_packets, 540 tx_adptr_stats.tx_dropped); 541 } 542 } 543 printf("\nAggregate lcore statistics =========================" 544 "\nTotal packets sent: %23"PRIu64 545 "\nTotal packets received: %19"PRIu64 546 "\nTotal packets dropped: %20"PRIu64, 547 total_packets_tx, 548 total_packets_rx, 549 total_packets_dropped); 550 printf("\n====================================================\n"); 551 552 fflush(stdout); 553 } 554 555 static void 556 l2fwd_event_print_stats(struct l2fwd_resources *rsrc) 557 { 558 uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0; 559 const uint64_t timer_period = rsrc->timer_period; 560 561 while (!rsrc->force_quit) { 562 /* if timer is enabled */ 563 if (timer_period > 0) { 564 cur_tsc = rte_rdtsc(); 565 diff_tsc = cur_tsc - prev_tsc; 566 567 /* advance the timer */ 568 timer_tsc += diff_tsc; 569 570 /* if timer has reached its timeout */ 571 if (unlikely(timer_tsc >= timer_period)) { 572 print_stats(rsrc); 573 /* reset the timer */ 574 timer_tsc = 0; 575 } 576 prev_tsc = cur_tsc; 577 } 578 } 579 } 580 581 582 static void 583 signal_handler(int signum) 584 { 585 struct l2fwd_resources *rsrc = l2fwd_get_rsrc(); 586 if (signum == SIGINT || signum == SIGTERM) { 587 printf("\n\nSignal %d received, preparing to exit...\n", 588 signum); 589 rsrc->force_quit = true; 590 } 591 } 592 593 int 594 main(int argc, char **argv) 595 { 596 struct l2fwd_resources *rsrc; 597 uint16_t nb_ports_available = 0; 598 uint32_t nb_ports_in_mask = 0; 599 uint16_t port_id, last_port; 600 uint32_t nb_mbufs; 601 uint16_t nb_ports; 602 int i, ret; 603 604 /* Init EAL. 8< */ 605 ret = rte_eal_init(argc, argv); 606 if (ret < 0) 607 rte_panic("Invalid EAL arguments\n"); 608 argc -= ret; 609 argv += ret; 610 611 rsrc = l2fwd_get_rsrc(); 612 613 signal(SIGINT, signal_handler); 614 signal(SIGTERM, signal_handler); 615 616 /* parse application arguments (after the EAL ones) */ 617 ret = l2fwd_event_parse_args(argc, argv, rsrc); 618 if (ret < 0) 619 rte_panic("Invalid L2FWD arguments\n"); 620 /* >8 End of init EAL. */ 621 622 printf("MAC updating %s\n", rsrc->mac_updating ? "enabled" : 623 "disabled"); 624 625 nb_ports = rte_eth_dev_count_avail(); 626 if (nb_ports == 0) 627 rte_panic("No Ethernet ports - bye\n"); 628 629 /* check port mask to possible port mask */ 630 if (rsrc->enabled_port_mask & ~((1 << nb_ports) - 1)) 631 rte_panic("Invalid portmask; possible (0x%x)\n", 632 (1 << nb_ports) - 1); 633 634 if (!rsrc->port_pairs) { 635 last_port = 0; 636 /* 637 * Each logical core is assigned a dedicated TX queue on each 638 * port. 639 */ 640 RTE_ETH_FOREACH_DEV(port_id) { 641 /* skip ports that are not enabled */ 642 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) 643 continue; 644 645 if (nb_ports_in_mask % 2) { 646 rsrc->dst_ports[port_id] = last_port; 647 rsrc->dst_ports[last_port] = port_id; 648 } else { 649 last_port = port_id; 650 } 651 652 nb_ports_in_mask++; 653 } 654 if (nb_ports_in_mask % 2) { 655 printf("Notice: odd number of ports in portmask.\n"); 656 rsrc->dst_ports[last_port] = last_port; 657 } 658 } else { 659 if (check_port_pair_config(rsrc) < 0) 660 rte_panic("Invalid port pair config\n"); 661 } 662 663 nb_mbufs = RTE_MAX(nb_ports * (RTE_TEST_RX_DESC_DEFAULT + 664 RTE_TEST_TX_DESC_DEFAULT + 665 MAX_PKT_BURST + rte_lcore_count() * 666 MEMPOOL_CACHE_SIZE), 8192U); 667 668 /* Create the mbuf pool. 8< */ 669 rsrc->pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 670 nb_mbufs, MEMPOOL_CACHE_SIZE, 0, 671 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 672 if (rsrc->pktmbuf_pool == NULL) 673 rte_panic("Cannot init mbuf pool\n"); 674 /* >8 End of creation of mbuf pool. */ 675 676 if (rsrc->evt_vec.enabled) { 677 unsigned int nb_vec, vec_size; 678 679 vec_size = rsrc->evt_vec.size; 680 nb_vec = (nb_mbufs + vec_size - 1) / vec_size; 681 rsrc->evt_vec_pool = rte_event_vector_pool_create( 682 "vector_pool", nb_vec, 0, vec_size, rte_socket_id()); 683 if (rsrc->evt_vec_pool == NULL) 684 rte_panic("Cannot init event vector pool\n"); 685 } 686 687 nb_ports_available = l2fwd_event_init_ports(rsrc); 688 if (!nb_ports_available) 689 rte_panic("All available ports are disabled. Please set portmask.\n"); 690 691 /* Configure eventdev parameters if required */ 692 if (rsrc->event_mode) 693 l2fwd_event_resource_setup(rsrc); 694 else 695 l2fwd_poll_resource_setup(rsrc); 696 697 /* initialize port stats */ 698 memset(&rsrc->port_stats, 0, 699 sizeof(struct l2fwd_port_statistics)); 700 701 /* All settings are done. Now enable eth devices */ 702 RTE_ETH_FOREACH_DEV(port_id) { 703 /* skip ports that are not enabled */ 704 if ((rsrc->enabled_port_mask & 705 (1 << port_id)) == 0) 706 continue; 707 708 ret = rte_eth_dev_start(port_id); 709 if (ret < 0) 710 rte_panic("rte_eth_dev_start:err=%d, port=%u\n", ret, 711 port_id); 712 } 713 714 if (rsrc->event_mode) 715 l2fwd_event_service_setup(rsrc); 716 717 check_all_ports_link_status(rsrc, rsrc->enabled_port_mask); 718 719 /* launch per-lcore init on every lcore */ 720 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, rsrc, 721 SKIP_MAIN); 722 l2fwd_event_print_stats(rsrc); 723 if (rsrc->event_mode) { 724 struct l2fwd_event_resources *evt_rsrc = 725 rsrc->evt_rsrc; 726 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) 727 rte_event_eth_rx_adapter_stop( 728 evt_rsrc->rx_adptr.rx_adptr[i]); 729 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) 730 rte_event_eth_tx_adapter_stop( 731 evt_rsrc->tx_adptr.tx_adptr[i]); 732 733 RTE_ETH_FOREACH_DEV(port_id) { 734 if ((rsrc->enabled_port_mask & 735 (1 << port_id)) == 0) 736 continue; 737 ret = rte_eth_dev_stop(port_id); 738 if (ret < 0) 739 printf("rte_eth_dev_stop:err=%d, port=%u\n", 740 ret, port_id); 741 } 742 743 rte_eal_mp_wait_lcore(); 744 RTE_ETH_FOREACH_DEV(port_id) { 745 if ((rsrc->enabled_port_mask & 746 (1 << port_id)) == 0) 747 continue; 748 rte_eth_dev_close(port_id); 749 } 750 751 rte_event_dev_stop(evt_rsrc->event_d_id); 752 rte_event_dev_close(evt_rsrc->event_d_id); 753 754 } else { 755 rte_eal_mp_wait_lcore(); 756 757 RTE_ETH_FOREACH_DEV(port_id) { 758 if ((rsrc->enabled_port_mask & 759 (1 << port_id)) == 0) 760 continue; 761 printf("Closing port %d...", port_id); 762 ret = rte_eth_dev_stop(port_id); 763 if (ret < 0) 764 printf("rte_eth_dev_stop:err=%d, port=%u\n", 765 ret, port_id); 766 rte_eth_dev_close(port_id); 767 printf(" Done\n"); 768 } 769 } 770 771 /* clean up the EAL */ 772 rte_eal_cleanup(); 773 printf("Bye...\n"); 774 775 return 0; 776 } 777