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 <setjmp.h> 13 #include <stdarg.h> 14 #include <ctype.h> 15 #include <errno.h> 16 #include <getopt.h> 17 18 #include <rte_common.h> 19 #include <rte_log.h> 20 #include <rte_malloc.h> 21 #include <rte_memory.h> 22 #include <rte_memcpy.h> 23 #include <rte_eal.h> 24 #include <rte_launch.h> 25 #include <rte_cycles.h> 26 #include <rte_prefetch.h> 27 #include <rte_lcore.h> 28 #include <rte_per_lcore.h> 29 #include <rte_branch_prediction.h> 30 #include <rte_interrupts.h> 31 #include <rte_random.h> 32 #include <rte_debug.h> 33 #include <rte_ether.h> 34 #include <rte_ethdev.h> 35 #include <rte_mempool.h> 36 #include <rte_mbuf.h> 37 38 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1 39 40 #define NB_MBUF 8192 41 42 #define MAX_PKT_BURST 32 43 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 44 45 /* 46 * Configurable number of RX/TX ring descriptors 47 */ 48 #define RTE_TEST_RX_DESC_DEFAULT 1024 49 #define RTE_TEST_TX_DESC_DEFAULT 1024 50 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 51 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 52 53 /* ethernet addresses of ports */ 54 static struct rte_ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS]; 55 56 /* mask of enabled ports */ 57 static uint32_t lsi_enabled_port_mask = 0; 58 59 static unsigned int lsi_rx_queue_per_lcore = 1; 60 61 /* destination port for L2 forwarding */ 62 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0}; 63 64 #define MAX_PKT_BURST 32 65 66 #define MAX_RX_QUEUE_PER_LCORE 16 67 #define MAX_TX_QUEUE_PER_PORT 16 68 /* List of queues must be polled for a give lcore. 8< */ 69 struct lcore_queue_conf { 70 unsigned n_rx_port; 71 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 72 unsigned tx_queue_id; 73 } __rte_cache_aligned; 74 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 75 /* >8 End of list of queues to be polled. */ 76 77 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 78 79 /* Global configuration stored in a static structure. 8< */ 80 static struct rte_eth_conf port_conf = { 81 .rxmode = { 82 .split_hdr_size = 0, 83 }, 84 .txmode = { 85 .mq_mode = RTE_ETH_MQ_TX_NONE, 86 }, 87 .intr_conf = { 88 .lsc = 1, /**< lsc interrupt feature enabled */ 89 }, 90 }; 91 /* >8 End of global configuration stored in a static structure. */ 92 93 struct rte_mempool * lsi_pktmbuf_pool = NULL; 94 95 /* Per-port statistics struct */ 96 struct lsi_port_statistics { 97 uint64_t tx; 98 uint64_t rx; 99 uint64_t dropped; 100 } __rte_cache_aligned; 101 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 102 103 /* A tsc-based timer responsible for triggering statistics printout */ 104 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 105 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 106 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 107 108 /* Print out statistics on packets dropped */ 109 static void 110 print_stats(void) 111 { 112 struct rte_eth_link link; 113 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 114 uint16_t portid; 115 116 total_packets_dropped = 0; 117 total_packets_tx = 0; 118 total_packets_rx = 0; 119 120 const char clr[] = { 27, '[', '2', 'J', '\0' }; 121 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 122 int link_get_err; 123 124 /* Clear screen and move to top left */ 125 printf("%s%s", clr, topLeft); 126 127 printf("\nPort statistics ===================================="); 128 129 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 130 /* skip ports that are not enabled */ 131 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 132 continue; 133 134 memset(&link, 0, sizeof(link)); 135 link_get_err = rte_eth_link_get_nowait(portid, &link); 136 printf("\nStatistics for port %u ------------------------------" 137 "\nLink status: %25s" 138 "\nLink speed: %26s" 139 "\nLink duplex: %25s" 140 "\nPackets sent: %24"PRIu64 141 "\nPackets received: %20"PRIu64 142 "\nPackets dropped: %21"PRIu64, 143 portid, 144 link_get_err < 0 ? "Link get failed" : 145 (link.link_status ? "Link up" : "Link down"), 146 link_get_err < 0 ? "0" : 147 rte_eth_link_speed_to_str(link.link_speed), 148 link_get_err < 0 ? "Link get failed" : 149 (link.link_duplex == RTE_ETH_LINK_FULL_DUPLEX ? 150 "full-duplex" : "half-duplex"), 151 port_statistics[portid].tx, 152 port_statistics[portid].rx, 153 port_statistics[portid].dropped); 154 155 total_packets_dropped += port_statistics[portid].dropped; 156 total_packets_tx += port_statistics[portid].tx; 157 total_packets_rx += port_statistics[portid].rx; 158 } 159 printf("\nAggregate statistics ===============================" 160 "\nTotal packets sent: %18"PRIu64 161 "\nTotal packets received: %14"PRIu64 162 "\nTotal packets dropped: %15"PRIu64, 163 total_packets_tx, 164 total_packets_rx, 165 total_packets_dropped); 166 printf("\n====================================================\n"); 167 168 fflush(stdout); 169 } 170 171 /* Replacing the source and destination MAC addresses. 8< */ 172 static void 173 lsi_simple_forward(struct rte_mbuf *m, unsigned portid) 174 { 175 struct rte_ether_hdr *eth; 176 void *tmp; 177 unsigned dst_port = lsi_dst_ports[portid]; 178 int sent; 179 struct rte_eth_dev_tx_buffer *buffer; 180 181 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 182 183 /* 02:00:00:00:00:xx */ 184 tmp = ð->dst_addr.addr_bytes[0]; 185 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 186 187 /* src addr */ 188 rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->src_addr); 189 190 buffer = tx_buffer[dst_port]; 191 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 192 if (sent) 193 port_statistics[dst_port].tx += sent; 194 } 195 /* >8 End of replacing the source and destination MAC addresses. */ 196 197 /* main processing loop */ 198 static void 199 lsi_main_loop(void) 200 { 201 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 202 struct rte_mbuf *m; 203 unsigned lcore_id; 204 unsigned sent; 205 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 206 unsigned i, j, portid, nb_rx; 207 struct lcore_queue_conf *qconf; 208 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 209 BURST_TX_DRAIN_US; 210 struct rte_eth_dev_tx_buffer *buffer; 211 212 prev_tsc = 0; 213 timer_tsc = 0; 214 215 lcore_id = rte_lcore_id(); 216 qconf = &lcore_queue_conf[lcore_id]; 217 218 if (qconf->n_rx_port == 0) { 219 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id); 220 return; 221 } 222 223 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id); 224 225 for (i = 0; i < qconf->n_rx_port; i++) { 226 227 portid = qconf->rx_port_list[i]; 228 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id, 229 portid); 230 } 231 232 while (1) { 233 234 /* Draining TX queue in its main loop. 8< */ 235 cur_tsc = rte_rdtsc(); 236 237 /* 238 * TX burst queue drain 239 */ 240 diff_tsc = cur_tsc - prev_tsc; 241 if (unlikely(diff_tsc > drain_tsc)) { 242 243 for (i = 0; i < qconf->n_rx_port; i++) { 244 245 portid = lsi_dst_ports[qconf->rx_port_list[i]]; 246 buffer = tx_buffer[portid]; 247 248 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 249 if (sent) 250 port_statistics[portid].tx += sent; 251 252 } 253 254 /* if timer is enabled */ 255 if (timer_period > 0) { 256 257 /* advance the timer */ 258 timer_tsc += diff_tsc; 259 260 /* if timer has reached its timeout */ 261 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 262 263 /* do this only on main core */ 264 if (lcore_id == rte_get_main_lcore()) { 265 print_stats(); 266 /* reset the timer */ 267 timer_tsc = 0; 268 } 269 } 270 } 271 272 prev_tsc = cur_tsc; 273 } 274 /* >8 End of draining TX queue in its main loop. */ 275 276 /* Read packet from RX queues. 8< */ 277 for (i = 0; i < qconf->n_rx_port; i++) { 278 279 portid = qconf->rx_port_list[i]; 280 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 281 pkts_burst, MAX_PKT_BURST); 282 283 port_statistics[portid].rx += nb_rx; 284 285 for (j = 0; j < nb_rx; j++) { 286 m = pkts_burst[j]; 287 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 288 lsi_simple_forward(m, portid); 289 } 290 } 291 /* >8 End of reading packet from RX queues. */ 292 } 293 } 294 295 static int 296 lsi_launch_one_lcore(__rte_unused void *dummy) 297 { 298 lsi_main_loop(); 299 return 0; 300 } 301 302 /* display usage */ 303 static void 304 lsi_usage(const char *prgname) 305 { 306 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 307 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 308 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 309 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 310 prgname); 311 } 312 313 static int 314 lsi_parse_portmask(const char *portmask) 315 { 316 char *end = NULL; 317 unsigned long pm; 318 319 /* parse hexadecimal string */ 320 pm = strtoul(portmask, &end, 16); 321 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 322 return 0; 323 324 return pm; 325 } 326 327 static unsigned int 328 lsi_parse_nqueue(const char *q_arg) 329 { 330 char *end = NULL; 331 unsigned long n; 332 333 /* parse hexadecimal string */ 334 n = strtoul(q_arg, &end, 10); 335 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 336 return 0; 337 if (n == 0) 338 return 0; 339 if (n >= MAX_RX_QUEUE_PER_LCORE) 340 return 0; 341 342 return n; 343 } 344 345 static int 346 lsi_parse_timer_period(const char *q_arg) 347 { 348 char *end = NULL; 349 int n; 350 351 /* parse number string */ 352 n = strtol(q_arg, &end, 10); 353 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 354 return -1; 355 if (n >= MAX_TIMER_PERIOD) 356 return -1; 357 358 return n; 359 } 360 361 /* Parse the argument given in the command line of the application */ 362 static int 363 lsi_parse_args(int argc, char **argv) 364 { 365 int opt, ret; 366 char **argvopt; 367 int option_index; 368 char *prgname = argv[0]; 369 static struct option lgopts[] = { 370 {NULL, 0, 0, 0} 371 }; 372 373 argvopt = argv; 374 375 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 376 lgopts, &option_index)) != EOF) { 377 378 switch (opt) { 379 /* portmask */ 380 case 'p': 381 lsi_enabled_port_mask = lsi_parse_portmask(optarg); 382 if (lsi_enabled_port_mask == 0) { 383 printf("invalid portmask\n"); 384 lsi_usage(prgname); 385 return -1; 386 } 387 break; 388 389 /* nqueue */ 390 case 'q': 391 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg); 392 if (lsi_rx_queue_per_lcore == 0) { 393 printf("invalid queue number\n"); 394 lsi_usage(prgname); 395 return -1; 396 } 397 break; 398 399 /* timer period */ 400 case 'T': 401 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 402 if (timer_period < 0) { 403 printf("invalid timer period\n"); 404 lsi_usage(prgname); 405 return -1; 406 } 407 break; 408 409 /* long options */ 410 case 0: 411 lsi_usage(prgname); 412 return -1; 413 414 default: 415 lsi_usage(prgname); 416 return -1; 417 } 418 } 419 420 if (optind >= 0) 421 argv[optind-1] = prgname; 422 423 ret = optind-1; 424 optind = 1; /* reset getopt lib */ 425 return ret; 426 } 427 428 /** 429 * It will be called as the callback for specified port after a LSI interrupt 430 * has been fully handled. This callback needs to be implemented carefully as 431 * it will be called in the interrupt host thread which is different from the 432 * application main thread. 433 * 434 * @param port_id 435 * Port id. 436 * @param type 437 * event type. 438 * @param param 439 * Pointer to(address of) the parameters. 440 * 441 * @return 442 * int. 443 */ 444 445 /* lsi_event_callback 8< */ 446 static int 447 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param, 448 void *ret_param) 449 { 450 struct rte_eth_link link; 451 int ret; 452 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 453 454 RTE_SET_USED(param); 455 RTE_SET_USED(ret_param); 456 457 printf("\n\nIn registered callback...\n"); 458 printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event"); 459 ret = rte_eth_link_get_nowait(port_id, &link); 460 if (ret < 0) { 461 printf("Failed link get on port %d: %s\n", 462 port_id, rte_strerror(-ret)); 463 return ret; 464 } 465 rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link); 466 printf("Port %d %s\n\n", port_id, link_status_text); 467 468 return 0; 469 } 470 /* >8 End of registering one or more callbacks. */ 471 472 /* Check the link status of all ports in up to 9s, and print them finally */ 473 static void 474 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 475 { 476 #define CHECK_INTERVAL 100 /* 100ms */ 477 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 478 uint8_t count, all_ports_up, print_flag = 0; 479 uint16_t portid; 480 struct rte_eth_link link; 481 int ret; 482 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 483 484 printf("\nChecking link status"); 485 fflush(stdout); 486 for (count = 0; count <= MAX_CHECK_TIME; count++) { 487 all_ports_up = 1; 488 for (portid = 0; portid < port_num; portid++) { 489 if ((port_mask & (1 << portid)) == 0) 490 continue; 491 memset(&link, 0, sizeof(link)); 492 ret = rte_eth_link_get_nowait(portid, &link); 493 if (ret < 0) { 494 all_ports_up = 0; 495 if (print_flag == 1) 496 printf("Port %u link get failed: %s\n", 497 portid, rte_strerror(-ret)); 498 continue; 499 } 500 /* print link status if flag set */ 501 if (print_flag == 1) { 502 rte_eth_link_to_str(link_status_text, 503 sizeof(link_status_text), &link); 504 printf("Port %d %s", portid, 505 link_status_text); 506 continue; 507 } 508 /* clear all_ports_up flag if any link down */ 509 if (link.link_status == RTE_ETH_LINK_DOWN) { 510 all_ports_up = 0; 511 break; 512 } 513 } 514 /* after finally printing all link status, get out */ 515 if (print_flag == 1) 516 break; 517 518 if (all_ports_up == 0) { 519 printf("."); 520 fflush(stdout); 521 rte_delay_ms(CHECK_INTERVAL); 522 } 523 524 /* set the print_flag if all ports up or timeout */ 525 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 526 print_flag = 1; 527 printf("done\n"); 528 } 529 } 530 } 531 532 int 533 main(int argc, char **argv) 534 { 535 struct lcore_queue_conf *qconf; 536 int ret; 537 uint16_t nb_ports; 538 uint16_t portid, portid_last = 0; 539 unsigned lcore_id, rx_lcore_id; 540 unsigned nb_ports_in_mask = 0; 541 542 /* init EAL */ 543 ret = rte_eal_init(argc, argv); 544 if (ret < 0) 545 rte_exit(EXIT_FAILURE, "rte_eal_init failed"); 546 argc -= ret; 547 argv += ret; 548 549 /* parse application arguments (after the EAL ones) */ 550 ret = lsi_parse_args(argc, argv); 551 if (ret < 0) 552 rte_exit(EXIT_FAILURE, "Invalid arguments"); 553 554 /* create the mbuf pool */ 555 lsi_pktmbuf_pool = 556 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0, 557 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 558 if (lsi_pktmbuf_pool == NULL) 559 rte_panic("Cannot init mbuf pool\n"); 560 561 nb_ports = rte_eth_dev_count_avail(); 562 if (nb_ports == 0) 563 rte_panic("No Ethernet port - bye\n"); 564 565 /* Each logical core is assigned a dedicated TX queue on each port. 8< */ 566 for (portid = 0; portid < nb_ports; portid++) { 567 /* skip ports that are not enabled */ 568 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 569 continue; 570 571 /* save the destination port id */ 572 if (nb_ports_in_mask % 2) { 573 lsi_dst_ports[portid] = portid_last; 574 lsi_dst_ports[portid_last] = portid; 575 } 576 else 577 portid_last = portid; 578 579 nb_ports_in_mask++; 580 } 581 /* >8 End of assigning logical core. */ 582 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2) 583 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, " 584 "but it should be even and at least 2\n", 585 nb_ports_in_mask); 586 587 rx_lcore_id = 0; 588 qconf = &lcore_queue_conf[rx_lcore_id]; 589 590 /* Initialize the port/queue configuration of each logical core */ 591 for (portid = 0; portid < nb_ports; portid++) { 592 /* skip ports that are not enabled */ 593 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 594 continue; 595 596 /* get the lcore_id for this port */ 597 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 598 lcore_queue_conf[rx_lcore_id].n_rx_port == 599 lsi_rx_queue_per_lcore) { 600 601 rx_lcore_id++; 602 if (rx_lcore_id >= RTE_MAX_LCORE) 603 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 604 } 605 if (qconf != &lcore_queue_conf[rx_lcore_id]) 606 /* Assigned a new logical core in the loop above. */ 607 qconf = &lcore_queue_conf[rx_lcore_id]; 608 609 qconf->rx_port_list[qconf->n_rx_port] = portid; 610 qconf->n_rx_port++; 611 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid); 612 } 613 614 /* Initialise each port */ 615 for (portid = 0; portid < nb_ports; portid++) { 616 struct rte_eth_rxconf rxq_conf; 617 struct rte_eth_txconf txq_conf; 618 struct rte_eth_conf local_port_conf = port_conf; 619 struct rte_eth_dev_info dev_info; 620 621 /* skip ports that are not enabled */ 622 if ((lsi_enabled_port_mask & (1 << portid)) == 0) { 623 printf("Skipping disabled port %u\n", (unsigned) portid); 624 continue; 625 } 626 /* init port */ 627 printf("Initializing port %u... ", (unsigned) portid); 628 fflush(stdout); 629 630 ret = rte_eth_dev_info_get(portid, &dev_info); 631 if (ret != 0) 632 rte_exit(EXIT_FAILURE, 633 "Error during getting device (port %u) info: %s\n", 634 portid, strerror(-ret)); 635 636 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE) 637 local_port_conf.txmode.offloads |= 638 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE; 639 /* Configure RX and TX queues. 8< */ 640 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 641 if (ret < 0) 642 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 643 ret, (unsigned) portid); 644 /* >8 End of configure RX and TX queues. */ 645 646 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 647 &nb_txd); 648 if (ret < 0) 649 rte_exit(EXIT_FAILURE, 650 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n", 651 ret, (unsigned) portid); 652 653 /* register lsi interrupt callback, need to be after 654 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no 655 * lsc interrupt will be present, and below callback to 656 * be registered will never be called. 657 */ 658 659 /* RTE callback register. 8< */ 660 rte_eth_dev_callback_register(portid, 661 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL); 662 /* >8 End of registering lsi interrupt callback. */ 663 664 ret = rte_eth_macaddr_get(portid, 665 &lsi_ports_eth_addr[portid]); 666 if (ret < 0) 667 rte_exit(EXIT_FAILURE, 668 "rte_eth_macaddr_get: err=%d, port=%u\n", 669 ret, (unsigned int)portid); 670 671 /* init one RX queue */ 672 fflush(stdout); 673 rxq_conf = dev_info.default_rxconf; 674 rxq_conf.offloads = local_port_conf.rxmode.offloads; 675 /* RX queue initialization. 8< */ 676 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 677 rte_eth_dev_socket_id(portid), 678 &rxq_conf, 679 lsi_pktmbuf_pool); 680 if (ret < 0) 681 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n", 682 ret, (unsigned) portid); 683 /* >8 End of RX queue initialization. */ 684 685 /* init one TX queue logical core on each port. 8< */ 686 fflush(stdout); 687 txq_conf = dev_info.default_txconf; 688 txq_conf.offloads = local_port_conf.txmode.offloads; 689 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 690 rte_eth_dev_socket_id(portid), 691 &txq_conf); 692 if (ret < 0) 693 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n", 694 ret, (unsigned) portid); 695 /* >8 End of init one TX queue. */ 696 697 /* Initialize TX buffers */ 698 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 699 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 700 rte_eth_dev_socket_id(portid)); 701 if (tx_buffer[portid] == NULL) 702 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 703 (unsigned) portid); 704 705 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 706 707 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 708 rte_eth_tx_buffer_count_callback, 709 &port_statistics[portid].dropped); 710 if (ret < 0) 711 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 712 "tx buffer on port %u\n", (unsigned) portid); 713 714 /* Start device */ 715 ret = rte_eth_dev_start(portid); 716 if (ret < 0) 717 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n", 718 ret, (unsigned) portid); 719 printf("done:\n"); 720 721 ret = rte_eth_promiscuous_enable(portid); 722 if (ret != 0) 723 rte_exit(EXIT_FAILURE, 724 "rte_eth_promiscuous_enable: err=%s, port=%u\n", 725 rte_strerror(-ret), portid); 726 727 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n", 728 (unsigned) portid, 729 RTE_ETHER_ADDR_BYTES(&lsi_ports_eth_addr[portid])); 730 731 /* initialize port stats */ 732 memset(&port_statistics, 0, sizeof(port_statistics)); 733 } 734 735 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask); 736 737 /* launch per-lcore init on every lcore */ 738 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MAIN); 739 RTE_LCORE_FOREACH_WORKER(lcore_id) { 740 if (rte_eal_wait_lcore(lcore_id) < 0) 741 return -1; 742 } 743 744 /* clean up the EAL */ 745 rte_eal_cleanup(); 746 747 return 0; 748 } 749