1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2016 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <string.h> 8 #include <stdint.h> 9 #include <inttypes.h> 10 #include <sys/types.h> 11 #include <sys/queue.h> 12 #include <netinet/in.h> 13 #include <setjmp.h> 14 #include <stdarg.h> 15 #include <ctype.h> 16 #include <errno.h> 17 #include <getopt.h> 18 #include <signal.h> 19 20 #include <rte_common.h> 21 #include <rte_log.h> 22 #include <rte_malloc.h> 23 #include <rte_memory.h> 24 #include <rte_memcpy.h> 25 #include <rte_eal.h> 26 #include <rte_launch.h> 27 #include <rte_atomic.h> 28 #include <rte_cycles.h> 29 #include <rte_prefetch.h> 30 #include <rte_lcore.h> 31 #include <rte_per_lcore.h> 32 #include <rte_branch_prediction.h> 33 #include <rte_interrupts.h> 34 #include <rte_random.h> 35 #include <rte_debug.h> 36 #include <rte_ether.h> 37 #include <rte_ethdev.h> 38 #include <rte_mempool.h> 39 #include <rte_mbuf.h> 40 #include <rte_timer.h> 41 #include <rte_keepalive.h> 42 43 #include "shm.h" 44 45 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 46 47 #define NB_MBUF_PER_PORT 3000 48 49 #define MAX_PKT_BURST 32 50 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 51 52 /* 53 * Configurable number of RX/TX ring descriptors 54 */ 55 #define RTE_TEST_RX_DESC_DEFAULT 1024 56 #define RTE_TEST_TX_DESC_DEFAULT 1024 57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 59 60 /* ethernet addresses of ports */ 61 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 62 63 /* mask of enabled ports */ 64 static uint32_t l2fwd_enabled_port_mask; 65 66 /* list of enabled ports */ 67 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 68 69 static unsigned int l2fwd_rx_queue_per_lcore = 1; 70 71 #define MAX_RX_QUEUE_PER_LCORE 16 72 #define MAX_TX_QUEUE_PER_PORT 16 73 struct lcore_queue_conf { 74 unsigned n_rx_port; 75 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 76 } __rte_cache_aligned; 77 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 78 79 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 80 81 static struct rte_eth_conf port_conf = { 82 .rxmode = { 83 .split_hdr_size = 0, 84 }, 85 .txmode = { 86 .mq_mode = ETH_MQ_TX_NONE, 87 }, 88 }; 89 90 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 91 92 /* Per-port statistics struct */ 93 struct l2fwd_port_statistics { 94 uint64_t tx; 95 uint64_t rx; 96 uint64_t dropped; 97 } __rte_cache_aligned; 98 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 99 100 /* A tsc-based timer responsible for triggering statistics printout */ 101 #define TIMER_MILLISECOND 1 102 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 103 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 104 static int64_t check_period = 5; /* default check cycle is 5ms */ 105 106 /* Keepalive structure */ 107 struct rte_keepalive *rte_global_keepalive_info; 108 109 /* Termination signalling */ 110 static int terminate_signal_received; 111 112 /* Termination signal handler */ 113 static void handle_sigterm(__rte_unused int value) 114 { 115 terminate_signal_received = 1; 116 } 117 118 /* Print out statistics on packets dropped */ 119 static void 120 print_stats(__rte_unused struct rte_timer *ptr_timer, 121 __rte_unused void *ptr_data) 122 { 123 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 124 uint16_t portid; 125 126 total_packets_dropped = 0; 127 total_packets_tx = 0; 128 total_packets_rx = 0; 129 130 const char clr[] = { 27, '[', '2', 'J', '\0' }; 131 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 132 133 /* Clear screen and move to top left */ 134 printf("%s%s", clr, topLeft); 135 136 printf("\nPort statistics ===================================="); 137 138 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 139 /* skip disabled ports */ 140 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 141 continue; 142 printf("\nStatistics for port %u ------------------------------" 143 "\nPackets sent: %24"PRIu64 144 "\nPackets received: %20"PRIu64 145 "\nPackets dropped: %21"PRIu64, 146 portid, 147 port_statistics[portid].tx, 148 port_statistics[portid].rx, 149 port_statistics[portid].dropped); 150 151 total_packets_dropped += port_statistics[portid].dropped; 152 total_packets_tx += port_statistics[portid].tx; 153 total_packets_rx += port_statistics[portid].rx; 154 } 155 printf("\nAggregate statistics ===============================" 156 "\nTotal packets sent: %18"PRIu64 157 "\nTotal packets received: %14"PRIu64 158 "\nTotal packets dropped: %15"PRIu64, 159 total_packets_tx, 160 total_packets_rx, 161 total_packets_dropped); 162 printf("\n====================================================\n"); 163 164 fflush(stdout); 165 } 166 167 static void 168 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 169 { 170 struct rte_ether_hdr *eth; 171 void *tmp; 172 int sent; 173 unsigned dst_port; 174 struct rte_eth_dev_tx_buffer *buffer; 175 176 dst_port = l2fwd_dst_ports[portid]; 177 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 178 179 /* 02:00:00:00:00:xx */ 180 tmp = ð->d_addr.addr_bytes[0]; 181 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 182 183 /* src addr */ 184 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 185 186 buffer = tx_buffer[dst_port]; 187 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 188 if (sent) 189 port_statistics[dst_port].tx += sent; 190 } 191 192 /* main processing loop */ 193 static void 194 l2fwd_main_loop(void) 195 { 196 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 197 struct rte_mbuf *m; 198 int sent; 199 unsigned lcore_id; 200 uint64_t prev_tsc, diff_tsc, cur_tsc; 201 unsigned i, j, portid, nb_rx; 202 struct lcore_queue_conf *qconf; 203 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 204 / US_PER_S * BURST_TX_DRAIN_US; 205 struct rte_eth_dev_tx_buffer *buffer; 206 207 prev_tsc = 0; 208 209 lcore_id = rte_lcore_id(); 210 qconf = &lcore_queue_conf[lcore_id]; 211 212 if (qconf->n_rx_port == 0) { 213 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 214 return; 215 } 216 217 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 218 219 for (i = 0; i < qconf->n_rx_port; i++) { 220 221 portid = qconf->rx_port_list[i]; 222 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 223 portid); 224 } 225 226 uint64_t tsc_initial = rte_rdtsc(); 227 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 228 229 while (!terminate_signal_received) { 230 /* Keepalive heartbeat */ 231 rte_keepalive_mark_alive(rte_global_keepalive_info); 232 233 cur_tsc = rte_rdtsc(); 234 235 /* 236 * Die randomly within 7 secs for demo purposes if 237 * keepalive enabled 238 */ 239 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 240 break; 241 242 /* 243 * TX burst queue drain 244 */ 245 diff_tsc = cur_tsc - prev_tsc; 246 if (unlikely(diff_tsc > drain_tsc)) { 247 248 for (i = 0; i < qconf->n_rx_port; i++) { 249 250 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 251 buffer = tx_buffer[portid]; 252 253 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 254 if (sent) 255 port_statistics[portid].tx += sent; 256 257 } 258 259 prev_tsc = cur_tsc; 260 } 261 262 /* 263 * Read packet from RX queues 264 */ 265 for (i = 0; i < qconf->n_rx_port; i++) { 266 267 portid = qconf->rx_port_list[i]; 268 nb_rx = rte_eth_rx_burst(portid, 0, 269 pkts_burst, MAX_PKT_BURST); 270 271 port_statistics[portid].rx += nb_rx; 272 273 for (j = 0; j < nb_rx; j++) { 274 m = pkts_burst[j]; 275 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 276 l2fwd_simple_forward(m, portid); 277 } 278 } 279 } 280 } 281 282 static int 283 l2fwd_launch_one_lcore(__rte_unused void *dummy) 284 { 285 l2fwd_main_loop(); 286 return 0; 287 } 288 289 /* display usage */ 290 static void 291 l2fwd_usage(const char *prgname) 292 { 293 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 294 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 295 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 296 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 297 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 298 prgname); 299 } 300 301 static int 302 l2fwd_parse_portmask(const char *portmask) 303 { 304 char *end = NULL; 305 unsigned long pm; 306 307 /* parse hexadecimal string */ 308 pm = strtoul(portmask, &end, 16); 309 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 310 return 0; 311 312 return pm; 313 } 314 315 static unsigned int 316 l2fwd_parse_nqueue(const char *q_arg) 317 { 318 char *end = NULL; 319 unsigned long n; 320 321 /* parse hexadecimal string */ 322 n = strtoul(q_arg, &end, 10); 323 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 324 return 0; 325 if (n == 0) 326 return 0; 327 if (n >= MAX_RX_QUEUE_PER_LCORE) 328 return 0; 329 330 return n; 331 } 332 333 static int 334 l2fwd_parse_timer_period(const char *q_arg) 335 { 336 char *end = NULL; 337 int n; 338 339 /* parse number string */ 340 n = strtol(q_arg, &end, 10); 341 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 342 return -1; 343 if (n >= MAX_TIMER_PERIOD) 344 return -1; 345 346 return n; 347 } 348 349 static int 350 l2fwd_parse_check_period(const char *q_arg) 351 { 352 char *end = NULL; 353 int n; 354 355 /* parse number string */ 356 n = strtol(q_arg, &end, 10); 357 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 358 return -1; 359 if (n >= MAX_TIMER_PERIOD) 360 return -1; 361 362 return n; 363 } 364 365 /* Parse the argument given in the command line of the application */ 366 static int 367 l2fwd_parse_args(int argc, char **argv) 368 { 369 int opt, ret; 370 char **argvopt; 371 int option_index; 372 char *prgname = argv[0]; 373 static struct option lgopts[] = { 374 {NULL, 0, 0, 0} 375 }; 376 377 argvopt = argv; 378 379 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 380 lgopts, &option_index)) != EOF) { 381 382 switch (opt) { 383 /* portmask */ 384 case 'p': 385 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 386 if (l2fwd_enabled_port_mask == 0) { 387 printf("invalid portmask\n"); 388 l2fwd_usage(prgname); 389 return -1; 390 } 391 break; 392 393 /* nqueue */ 394 case 'q': 395 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 396 if (l2fwd_rx_queue_per_lcore == 0) { 397 printf("invalid queue number\n"); 398 l2fwd_usage(prgname); 399 return -1; 400 } 401 break; 402 403 /* timer period */ 404 case 'T': 405 timer_period = l2fwd_parse_timer_period(optarg) 406 * (int64_t)(1000 * TIMER_MILLISECOND); 407 if (timer_period < 0) { 408 printf("invalid timer period\n"); 409 l2fwd_usage(prgname); 410 return -1; 411 } 412 break; 413 414 /* Check period */ 415 case 'K': 416 check_period = l2fwd_parse_check_period(optarg); 417 if (check_period < 0) { 418 printf("invalid check period\n"); 419 l2fwd_usage(prgname); 420 return -1; 421 } 422 break; 423 424 /* long options */ 425 case 0: 426 l2fwd_usage(prgname); 427 return -1; 428 429 default: 430 l2fwd_usage(prgname); 431 return -1; 432 } 433 } 434 435 if (optind >= 0) 436 argv[optind-1] = prgname; 437 438 ret = optind-1; 439 optind = 1; /* reset getopt lib */ 440 return ret; 441 } 442 443 /* Check the link status of all ports in up to 9s, and print them finally */ 444 static void 445 check_all_ports_link_status(uint32_t port_mask) 446 { 447 #define CHECK_INTERVAL 100 /* 100ms */ 448 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 449 uint16_t portid; 450 uint8_t count, all_ports_up, print_flag = 0; 451 struct rte_eth_link link; 452 int ret; 453 454 printf("\nChecking link status"); 455 fflush(stdout); 456 for (count = 0; count <= MAX_CHECK_TIME; count++) { 457 all_ports_up = 1; 458 RTE_ETH_FOREACH_DEV(portid) { 459 if ((port_mask & (1 << portid)) == 0) 460 continue; 461 memset(&link, 0, sizeof(link)); 462 ret = rte_eth_link_get_nowait(portid, &link); 463 if (ret < 0) { 464 all_ports_up = 0; 465 if (print_flag == 1) 466 printf("Port %u link get failed: %s\n", 467 portid, rte_strerror(-ret)); 468 continue; 469 } 470 /* print link status if flag set */ 471 if (print_flag == 1) { 472 if (link.link_status) 473 printf( 474 "Port%d Link Up. Speed %u Mbps - %s\n", 475 portid, link.link_speed, 476 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 477 ("full-duplex") : ("half-duplex")); 478 else 479 printf("Port %d Link Down\n", portid); 480 continue; 481 } 482 /* clear all_ports_up flag if any link down */ 483 if (link.link_status == ETH_LINK_DOWN) { 484 all_ports_up = 0; 485 break; 486 } 487 } 488 /* after finally printing all link status, get out */ 489 if (print_flag == 1) 490 break; 491 492 if (all_ports_up == 0) { 493 printf("."); 494 fflush(stdout); 495 rte_delay_ms(CHECK_INTERVAL); 496 } 497 498 /* set the print_flag if all ports up or timeout */ 499 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 500 print_flag = 1; 501 printf("done\n"); 502 } 503 } 504 } 505 506 static void 507 dead_core(__rte_unused void *ptr_data, const int id_core) 508 { 509 if (terminate_signal_received) 510 return; 511 printf("Dead core %i - restarting..\n", id_core); 512 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 513 rte_eal_wait_lcore(id_core); 514 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 515 } else { 516 printf("..false positive!\n"); 517 } 518 } 519 520 static void 521 relay_core_state(void *ptr_data, const int id_core, 522 const enum rte_keepalive_state core_state, uint64_t last_alive) 523 { 524 rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data, 525 id_core, core_state, last_alive); 526 } 527 528 int 529 main(int argc, char **argv) 530 { 531 struct lcore_queue_conf *qconf; 532 int ret; 533 uint16_t nb_ports; 534 uint16_t nb_ports_available = 0; 535 uint16_t portid, last_port; 536 unsigned lcore_id, rx_lcore_id; 537 unsigned nb_ports_in_mask = 0; 538 unsigned int total_nb_mbufs; 539 struct sigaction signal_handler; 540 struct rte_keepalive_shm *ka_shm; 541 542 memset(&signal_handler, 0, sizeof(signal_handler)); 543 terminate_signal_received = 0; 544 signal_handler.sa_handler = &handle_sigterm; 545 if (sigaction(SIGINT, &signal_handler, NULL) == -1 || 546 sigaction(SIGTERM, &signal_handler, NULL) == -1) 547 rte_exit(EXIT_FAILURE, "SIGNAL\n"); 548 549 550 /* init EAL */ 551 ret = rte_eal_init(argc, argv); 552 if (ret < 0) 553 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 554 argc -= ret; 555 argv += ret; 556 557 l2fwd_enabled_port_mask = 0; 558 559 /* parse application arguments (after the EAL ones) */ 560 ret = l2fwd_parse_args(argc, argv); 561 if (ret < 0) 562 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 563 564 nb_ports = rte_eth_dev_count_avail(); 565 if (nb_ports == 0) 566 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 567 568 /* create the mbuf pool */ 569 total_nb_mbufs = NB_MBUF_PER_PORT * nb_ports; 570 571 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 572 total_nb_mbufs, 32, 0, RTE_MBUF_DEFAULT_BUF_SIZE, 573 rte_socket_id()); 574 if (l2fwd_pktmbuf_pool == NULL) 575 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 576 577 /* reset l2fwd_dst_ports */ 578 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 579 l2fwd_dst_ports[portid] = 0; 580 last_port = 0; 581 582 /* 583 * Each logical core is assigned a dedicated TX queue on each port. 584 */ 585 RTE_ETH_FOREACH_DEV(portid) { 586 /* skip ports that are not enabled */ 587 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 588 continue; 589 590 if (nb_ports_in_mask % 2) { 591 l2fwd_dst_ports[portid] = last_port; 592 l2fwd_dst_ports[last_port] = portid; 593 } else 594 last_port = portid; 595 596 nb_ports_in_mask++; 597 } 598 if (nb_ports_in_mask % 2) { 599 printf("Notice: odd number of ports in portmask.\n"); 600 l2fwd_dst_ports[last_port] = last_port; 601 } 602 603 rx_lcore_id = 1; 604 qconf = NULL; 605 606 /* Initialize the port/queue configuration of each logical core */ 607 RTE_ETH_FOREACH_DEV(portid) { 608 /* skip ports that are not enabled */ 609 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 610 continue; 611 612 /* get the lcore_id for this port */ 613 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 614 lcore_queue_conf[rx_lcore_id].n_rx_port == 615 l2fwd_rx_queue_per_lcore) { 616 rx_lcore_id++; 617 if (rx_lcore_id >= RTE_MAX_LCORE) 618 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 619 } 620 621 if (qconf != &lcore_queue_conf[rx_lcore_id]) 622 /* Assigned a new logical core in the loop above. */ 623 qconf = &lcore_queue_conf[rx_lcore_id]; 624 625 qconf->rx_port_list[qconf->n_rx_port] = portid; 626 qconf->n_rx_port++; 627 printf("Lcore %u: RX port %u\n", 628 rx_lcore_id, portid); 629 } 630 631 /* Initialise each port */ 632 RTE_ETH_FOREACH_DEV(portid) { 633 struct rte_eth_dev_info dev_info; 634 struct rte_eth_rxconf rxq_conf; 635 struct rte_eth_txconf txq_conf; 636 struct rte_eth_conf local_port_conf = port_conf; 637 638 /* skip ports that are not enabled */ 639 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 640 printf("Skipping disabled port %u\n", portid); 641 continue; 642 } 643 nb_ports_available++; 644 645 /* init port */ 646 printf("Initializing port %u... ", portid); 647 fflush(stdout); 648 649 ret = rte_eth_dev_info_get(portid, &dev_info); 650 if (ret != 0) 651 rte_exit(EXIT_FAILURE, 652 "Error during getting device (port %u) info: %s\n", 653 portid, strerror(-ret)); 654 655 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 656 local_port_conf.txmode.offloads |= 657 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 658 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 659 if (ret < 0) 660 rte_exit(EXIT_FAILURE, 661 "Cannot configure device: err=%d, port=%u\n", 662 ret, portid); 663 664 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 665 &nb_txd); 666 if (ret < 0) 667 rte_exit(EXIT_FAILURE, 668 "Cannot adjust number of descriptors: err=%d, port=%u\n", 669 ret, portid); 670 671 ret = rte_eth_macaddr_get(portid, 672 &l2fwd_ports_eth_addr[portid]); 673 if (ret < 0) 674 rte_exit(EXIT_FAILURE, 675 "Cannot mac address: err=%d, port=%u\n", 676 ret, portid); 677 678 /* init one RX queue */ 679 fflush(stdout); 680 rxq_conf = dev_info.default_rxconf; 681 rxq_conf.offloads = local_port_conf.rxmode.offloads; 682 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 683 rte_eth_dev_socket_id(portid), 684 &rxq_conf, 685 l2fwd_pktmbuf_pool); 686 if (ret < 0) 687 rte_exit(EXIT_FAILURE, 688 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 689 ret, portid); 690 691 /* init one TX queue on each port */ 692 fflush(stdout); 693 txq_conf = dev_info.default_txconf; 694 txq_conf.offloads = local_port_conf.txmode.offloads; 695 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 696 rte_eth_dev_socket_id(portid), 697 &txq_conf); 698 if (ret < 0) 699 rte_exit(EXIT_FAILURE, 700 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 701 ret, portid); 702 703 /* Initialize TX buffers */ 704 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 705 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 706 rte_eth_dev_socket_id(portid)); 707 if (tx_buffer[portid] == NULL) 708 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 709 portid); 710 711 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 712 713 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 714 rte_eth_tx_buffer_count_callback, 715 &port_statistics[portid].dropped); 716 if (ret < 0) 717 rte_exit(EXIT_FAILURE, 718 "Cannot set error callback for tx buffer on port %u\n", 719 portid); 720 721 /* Start device */ 722 ret = rte_eth_dev_start(portid); 723 if (ret < 0) 724 rte_exit(EXIT_FAILURE, 725 "rte_eth_dev_start:err=%d, port=%u\n", 726 ret, portid); 727 728 ret = rte_eth_promiscuous_enable(portid); 729 if (ret != 0) 730 rte_exit(EXIT_FAILURE, 731 "rte_eth_promiscuous_enable:err=%s, port=%u\n", 732 rte_strerror(-ret), portid); 733 734 printf("Port %u, MAC address: " 735 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 736 portid, 737 l2fwd_ports_eth_addr[portid].addr_bytes[0], 738 l2fwd_ports_eth_addr[portid].addr_bytes[1], 739 l2fwd_ports_eth_addr[portid].addr_bytes[2], 740 l2fwd_ports_eth_addr[portid].addr_bytes[3], 741 l2fwd_ports_eth_addr[portid].addr_bytes[4], 742 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 743 744 /* initialize port stats */ 745 memset(&port_statistics, 0, sizeof(port_statistics)); 746 } 747 748 if (!nb_ports_available) { 749 rte_exit(EXIT_FAILURE, 750 "All available ports are disabled. Please set portmask.\n"); 751 } 752 753 check_all_ports_link_status(l2fwd_enabled_port_mask); 754 755 struct rte_timer hb_timer, stats_timer; 756 757 rte_timer_subsystem_init(); 758 rte_timer_init(&stats_timer); 759 760 ka_shm = NULL; 761 if (check_period > 0) { 762 ka_shm = rte_keepalive_shm_create(); 763 if (ka_shm == NULL) 764 rte_exit(EXIT_FAILURE, 765 "rte_keepalive_shm_create() failed"); 766 rte_global_keepalive_info = 767 rte_keepalive_create(&dead_core, ka_shm); 768 if (rte_global_keepalive_info == NULL) 769 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 770 rte_keepalive_register_relay_callback(rte_global_keepalive_info, 771 relay_core_state, ka_shm); 772 rte_timer_init(&hb_timer); 773 if (rte_timer_reset(&hb_timer, 774 (check_period * rte_get_timer_hz()) / 1000, 775 PERIODICAL, 776 rte_lcore_id(), 777 (void(*)(struct rte_timer*, void*)) 778 &rte_keepalive_dispatch_pings, 779 rte_global_keepalive_info 780 ) != 0 ) 781 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 782 } 783 if (timer_period > 0) { 784 if (rte_timer_reset(&stats_timer, 785 (timer_period * rte_get_timer_hz()) / 1000, 786 PERIODICAL, 787 rte_lcore_id(), 788 &print_stats, NULL 789 ) != 0 ) 790 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 791 } 792 /* launch per-lcore init on every slave lcore */ 793 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 794 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 795 796 if (qconf->n_rx_port == 0) 797 RTE_LOG(INFO, L2FWD, 798 "lcore %u has nothing to do\n", 799 lcore_id 800 ); 801 else { 802 rte_eal_remote_launch( 803 l2fwd_launch_one_lcore, 804 NULL, 805 lcore_id 806 ); 807 rte_keepalive_register_core(rte_global_keepalive_info, 808 lcore_id); 809 } 810 } 811 while (!terminate_signal_received) { 812 rte_timer_manage(); 813 rte_delay_ms(5); 814 } 815 816 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 817 if (rte_eal_wait_lcore(lcore_id) < 0) 818 return -1; 819 } 820 821 if (ka_shm != NULL) 822 rte_keepalive_shm_cleanup(ka_shm); 823 return 0; 824 } 825