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_atomic.h> 26 #include <rte_cycles.h> 27 #include <rte_prefetch.h> 28 #include <rte_lcore.h> 29 #include <rte_per_lcore.h> 30 #include <rte_branch_prediction.h> 31 #include <rte_interrupts.h> 32 #include <rte_random.h> 33 #include <rte_debug.h> 34 #include <rte_ether.h> 35 #include <rte_ethdev.h> 36 #include <rte_mempool.h> 37 #include <rte_mbuf.h> 38 39 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1 40 41 #define NB_MBUF 8192 42 43 #define MAX_PKT_BURST 32 44 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 45 46 /* 47 * Configurable number of RX/TX ring descriptors 48 */ 49 #define RTE_TEST_RX_DESC_DEFAULT 1024 50 #define RTE_TEST_TX_DESC_DEFAULT 1024 51 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 52 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 53 54 /* ethernet addresses of ports */ 55 static struct rte_ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS]; 56 57 /* mask of enabled ports */ 58 static uint32_t lsi_enabled_port_mask = 0; 59 60 static unsigned int lsi_rx_queue_per_lcore = 1; 61 62 /* destination port for L2 forwarding */ 63 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0}; 64 65 #define MAX_PKT_BURST 32 66 67 #define MAX_RX_QUEUE_PER_LCORE 16 68 #define MAX_TX_QUEUE_PER_PORT 16 69 /* List of queues must be polled for a give lcore. 8< */ 70 struct lcore_queue_conf { 71 unsigned n_rx_port; 72 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 73 unsigned tx_queue_id; 74 } __rte_cache_aligned; 75 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 76 /* >8 End of list of queues to be polled. */ 77 78 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 79 80 /* Global configuration stored in a static structure. 8< */ 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 .intr_conf = { 89 .lsc = 1, /**< lsc interrupt feature enabled */ 90 }, 91 }; 92 /* >8 End of global configuration stored in a static structure. */ 93 94 struct rte_mempool * lsi_pktmbuf_pool = NULL; 95 96 /* Per-port statistics struct */ 97 struct lsi_port_statistics { 98 uint64_t tx; 99 uint64_t rx; 100 uint64_t dropped; 101 } __rte_cache_aligned; 102 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 103 104 /* A tsc-based timer responsible for triggering statistics printout */ 105 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 106 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 107 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 108 109 /* Print out statistics on packets dropped */ 110 static void 111 print_stats(void) 112 { 113 struct rte_eth_link link; 114 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 115 uint16_t portid; 116 117 total_packets_dropped = 0; 118 total_packets_tx = 0; 119 total_packets_rx = 0; 120 121 const char clr[] = { 27, '[', '2', 'J', '\0' }; 122 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 123 int link_get_err; 124 125 /* Clear screen and move to top left */ 126 printf("%s%s", clr, topLeft); 127 128 printf("\nPort statistics ===================================="); 129 130 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 131 /* skip ports that are not enabled */ 132 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 133 continue; 134 135 memset(&link, 0, sizeof(link)); 136 link_get_err = rte_eth_link_get_nowait(portid, &link); 137 printf("\nStatistics for port %u ------------------------------" 138 "\nLink status: %25s" 139 "\nLink speed: %26s" 140 "\nLink duplex: %25s" 141 "\nPackets sent: %24"PRIu64 142 "\nPackets received: %20"PRIu64 143 "\nPackets dropped: %21"PRIu64, 144 portid, 145 link_get_err < 0 ? "Link get failed" : 146 (link.link_status ? "Link up" : "Link down"), 147 link_get_err < 0 ? "0" : 148 rte_eth_link_speed_to_str(link.link_speed), 149 link_get_err < 0 ? "Link get failed" : 150 (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \ 151 "full-duplex" : "half-duplex"), 152 port_statistics[portid].tx, 153 port_statistics[portid].rx, 154 port_statistics[portid].dropped); 155 156 total_packets_dropped += port_statistics[portid].dropped; 157 total_packets_tx += port_statistics[portid].tx; 158 total_packets_rx += port_statistics[portid].rx; 159 } 160 printf("\nAggregate statistics ===============================" 161 "\nTotal packets sent: %18"PRIu64 162 "\nTotal packets received: %14"PRIu64 163 "\nTotal packets dropped: %15"PRIu64, 164 total_packets_tx, 165 total_packets_rx, 166 total_packets_dropped); 167 printf("\n====================================================\n"); 168 169 fflush(stdout); 170 } 171 172 /* Replacing the source and destination MAC addresses. 8< */ 173 static void 174 lsi_simple_forward(struct rte_mbuf *m, unsigned portid) 175 { 176 struct rte_ether_hdr *eth; 177 void *tmp; 178 unsigned dst_port = lsi_dst_ports[portid]; 179 int sent; 180 struct rte_eth_dev_tx_buffer *buffer; 181 182 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 183 184 /* 02:00:00:00:00:xx */ 185 tmp = ð->dst_addr.addr_bytes[0]; 186 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 187 188 /* src addr */ 189 rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->src_addr); 190 191 buffer = tx_buffer[dst_port]; 192 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 193 if (sent) 194 port_statistics[dst_port].tx += sent; 195 } 196 /* >8 End of replacing the source and destination MAC addresses. */ 197 198 /* main processing loop */ 199 static void 200 lsi_main_loop(void) 201 { 202 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 203 struct rte_mbuf *m; 204 unsigned lcore_id; 205 unsigned sent; 206 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 207 unsigned i, j, portid, nb_rx; 208 struct lcore_queue_conf *qconf; 209 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 210 BURST_TX_DRAIN_US; 211 struct rte_eth_dev_tx_buffer *buffer; 212 213 prev_tsc = 0; 214 timer_tsc = 0; 215 216 lcore_id = rte_lcore_id(); 217 qconf = &lcore_queue_conf[lcore_id]; 218 219 if (qconf->n_rx_port == 0) { 220 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id); 221 return; 222 } 223 224 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id); 225 226 for (i = 0; i < qconf->n_rx_port; i++) { 227 228 portid = qconf->rx_port_list[i]; 229 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id, 230 portid); 231 } 232 233 while (1) { 234 235 /* Draining TX queue in its main loop. 8< */ 236 cur_tsc = rte_rdtsc(); 237 238 /* 239 * TX burst queue drain 240 */ 241 diff_tsc = cur_tsc - prev_tsc; 242 if (unlikely(diff_tsc > drain_tsc)) { 243 244 for (i = 0; i < qconf->n_rx_port; i++) { 245 246 portid = lsi_dst_ports[qconf->rx_port_list[i]]; 247 buffer = tx_buffer[portid]; 248 249 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 250 if (sent) 251 port_statistics[portid].tx += sent; 252 253 } 254 255 /* if timer is enabled */ 256 if (timer_period > 0) { 257 258 /* advance the timer */ 259 timer_tsc += diff_tsc; 260 261 /* if timer has reached its timeout */ 262 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 263 264 /* do this only on main core */ 265 if (lcore_id == rte_get_main_lcore()) { 266 print_stats(); 267 /* reset the timer */ 268 timer_tsc = 0; 269 } 270 } 271 } 272 273 prev_tsc = cur_tsc; 274 } 275 /* >8 End of draining TX queue in its main loop. */ 276 277 /* Read packet from RX queues. 8< */ 278 for (i = 0; i < qconf->n_rx_port; i++) { 279 280 portid = qconf->rx_port_list[i]; 281 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 282 pkts_burst, MAX_PKT_BURST); 283 284 port_statistics[portid].rx += nb_rx; 285 286 for (j = 0; j < nb_rx; j++) { 287 m = pkts_burst[j]; 288 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 289 lsi_simple_forward(m, portid); 290 } 291 } 292 /* >8 End of reading packet from RX queues. */ 293 } 294 } 295 296 static int 297 lsi_launch_one_lcore(__rte_unused void *dummy) 298 { 299 lsi_main_loop(); 300 return 0; 301 } 302 303 /* display usage */ 304 static void 305 lsi_usage(const char *prgname) 306 { 307 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 308 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 309 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 310 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 311 prgname); 312 } 313 314 static int 315 lsi_parse_portmask(const char *portmask) 316 { 317 char *end = NULL; 318 unsigned long pm; 319 320 /* parse hexadecimal string */ 321 pm = strtoul(portmask, &end, 16); 322 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 323 return 0; 324 325 return pm; 326 } 327 328 static unsigned int 329 lsi_parse_nqueue(const char *q_arg) 330 { 331 char *end = NULL; 332 unsigned long n; 333 334 /* parse hexadecimal string */ 335 n = strtoul(q_arg, &end, 10); 336 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 337 return 0; 338 if (n == 0) 339 return 0; 340 if (n >= MAX_RX_QUEUE_PER_LCORE) 341 return 0; 342 343 return n; 344 } 345 346 static int 347 lsi_parse_timer_period(const char *q_arg) 348 { 349 char *end = NULL; 350 int n; 351 352 /* parse number string */ 353 n = strtol(q_arg, &end, 10); 354 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 355 return -1; 356 if (n >= MAX_TIMER_PERIOD) 357 return -1; 358 359 return n; 360 } 361 362 /* Parse the argument given in the command line of the application */ 363 static int 364 lsi_parse_args(int argc, char **argv) 365 { 366 int opt, ret; 367 char **argvopt; 368 int option_index; 369 char *prgname = argv[0]; 370 static struct option lgopts[] = { 371 {NULL, 0, 0, 0} 372 }; 373 374 argvopt = argv; 375 376 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 377 lgopts, &option_index)) != EOF) { 378 379 switch (opt) { 380 /* portmask */ 381 case 'p': 382 lsi_enabled_port_mask = lsi_parse_portmask(optarg); 383 if (lsi_enabled_port_mask == 0) { 384 printf("invalid portmask\n"); 385 lsi_usage(prgname); 386 return -1; 387 } 388 break; 389 390 /* nqueue */ 391 case 'q': 392 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg); 393 if (lsi_rx_queue_per_lcore == 0) { 394 printf("invalid queue number\n"); 395 lsi_usage(prgname); 396 return -1; 397 } 398 break; 399 400 /* timer period */ 401 case 'T': 402 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 403 if (timer_period < 0) { 404 printf("invalid timer period\n"); 405 lsi_usage(prgname); 406 return -1; 407 } 408 break; 409 410 /* long options */ 411 case 0: 412 lsi_usage(prgname); 413 return -1; 414 415 default: 416 lsi_usage(prgname); 417 return -1; 418 } 419 } 420 421 if (optind >= 0) 422 argv[optind-1] = prgname; 423 424 ret = optind-1; 425 optind = 1; /* reset getopt lib */ 426 return ret; 427 } 428 429 /** 430 * It will be called as the callback for specified port after a LSI interrupt 431 * has been fully handled. This callback needs to be implemented carefully as 432 * it will be called in the interrupt host thread which is different from the 433 * application main thread. 434 * 435 * @param port_id 436 * Port id. 437 * @param type 438 * event type. 439 * @param param 440 * Pointer to(address of) the parameters. 441 * 442 * @return 443 * int. 444 */ 445 446 /* lsi_event_callback 8< */ 447 static int 448 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param, 449 void *ret_param) 450 { 451 struct rte_eth_link link; 452 int ret; 453 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 454 455 RTE_SET_USED(param); 456 RTE_SET_USED(ret_param); 457 458 printf("\n\nIn registered callback...\n"); 459 printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event"); 460 ret = rte_eth_link_get_nowait(port_id, &link); 461 if (ret < 0) { 462 printf("Failed link get on port %d: %s\n", 463 port_id, rte_strerror(-ret)); 464 return ret; 465 } 466 rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link); 467 printf("Port %d %s\n\n", port_id, link_status_text); 468 469 return 0; 470 } 471 /* >8 End of registering one or more callbacks. */ 472 473 /* Check the link status of all ports in up to 9s, and print them finally */ 474 static void 475 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 476 { 477 #define CHECK_INTERVAL 100 /* 100ms */ 478 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 479 uint8_t count, all_ports_up, print_flag = 0; 480 uint16_t portid; 481 struct rte_eth_link link; 482 int ret; 483 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 484 485 printf("\nChecking link status"); 486 fflush(stdout); 487 for (count = 0; count <= MAX_CHECK_TIME; count++) { 488 all_ports_up = 1; 489 for (portid = 0; portid < port_num; portid++) { 490 if ((port_mask & (1 << portid)) == 0) 491 continue; 492 memset(&link, 0, sizeof(link)); 493 ret = rte_eth_link_get_nowait(portid, &link); 494 if (ret < 0) { 495 all_ports_up = 0; 496 if (print_flag == 1) 497 printf("Port %u link get failed: %s\n", 498 portid, rte_strerror(-ret)); 499 continue; 500 } 501 /* print link status if flag set */ 502 if (print_flag == 1) { 503 rte_eth_link_to_str(link_status_text, 504 sizeof(link_status_text), &link); 505 printf("Port %d %s", portid, 506 link_status_text); 507 continue; 508 } 509 /* clear all_ports_up flag if any link down */ 510 if (link.link_status == ETH_LINK_DOWN) { 511 all_ports_up = 0; 512 break; 513 } 514 } 515 /* after finally printing all link status, get out */ 516 if (print_flag == 1) 517 break; 518 519 if (all_ports_up == 0) { 520 printf("."); 521 fflush(stdout); 522 rte_delay_ms(CHECK_INTERVAL); 523 } 524 525 /* set the print_flag if all ports up or timeout */ 526 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 527 print_flag = 1; 528 printf("done\n"); 529 } 530 } 531 } 532 533 int 534 main(int argc, char **argv) 535 { 536 struct lcore_queue_conf *qconf; 537 int ret; 538 uint16_t nb_ports; 539 uint16_t portid, portid_last = 0; 540 unsigned lcore_id, rx_lcore_id; 541 unsigned nb_ports_in_mask = 0; 542 543 /* init EAL */ 544 ret = rte_eal_init(argc, argv); 545 if (ret < 0) 546 rte_exit(EXIT_FAILURE, "rte_eal_init failed"); 547 argc -= ret; 548 argv += ret; 549 550 /* parse application arguments (after the EAL ones) */ 551 ret = lsi_parse_args(argc, argv); 552 if (ret < 0) 553 rte_exit(EXIT_FAILURE, "Invalid arguments"); 554 555 /* create the mbuf pool */ 556 lsi_pktmbuf_pool = 557 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0, 558 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 559 if (lsi_pktmbuf_pool == NULL) 560 rte_panic("Cannot init mbuf pool\n"); 561 562 nb_ports = rte_eth_dev_count_avail(); 563 if (nb_ports == 0) 564 rte_panic("No Ethernet port - bye\n"); 565 566 /* Each logical core is assigned a dedicated TX queue on each port. 8< */ 567 for (portid = 0; portid < nb_ports; portid++) { 568 /* skip ports that are not enabled */ 569 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 570 continue; 571 572 /* save the destination port id */ 573 if (nb_ports_in_mask % 2) { 574 lsi_dst_ports[portid] = portid_last; 575 lsi_dst_ports[portid_last] = portid; 576 } 577 else 578 portid_last = portid; 579 580 nb_ports_in_mask++; 581 } 582 /* >8 End of assigning logical core. */ 583 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2) 584 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, " 585 "but it should be even and at least 2\n", 586 nb_ports_in_mask); 587 588 rx_lcore_id = 0; 589 qconf = &lcore_queue_conf[rx_lcore_id]; 590 591 /* Initialize the port/queue configuration of each logical core */ 592 for (portid = 0; portid < nb_ports; portid++) { 593 /* skip ports that are not enabled */ 594 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 595 continue; 596 597 /* get the lcore_id for this port */ 598 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 599 lcore_queue_conf[rx_lcore_id].n_rx_port == 600 lsi_rx_queue_per_lcore) { 601 602 rx_lcore_id++; 603 if (rx_lcore_id >= RTE_MAX_LCORE) 604 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 605 } 606 if (qconf != &lcore_queue_conf[rx_lcore_id]) 607 /* Assigned a new logical core in the loop above. */ 608 qconf = &lcore_queue_conf[rx_lcore_id]; 609 610 qconf->rx_port_list[qconf->n_rx_port] = portid; 611 qconf->n_rx_port++; 612 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid); 613 } 614 615 /* Initialise each port */ 616 for (portid = 0; portid < nb_ports; portid++) { 617 struct rte_eth_rxconf rxq_conf; 618 struct rte_eth_txconf txq_conf; 619 struct rte_eth_conf local_port_conf = port_conf; 620 struct rte_eth_dev_info dev_info; 621 622 /* skip ports that are not enabled */ 623 if ((lsi_enabled_port_mask & (1 << portid)) == 0) { 624 printf("Skipping disabled port %u\n", (unsigned) portid); 625 continue; 626 } 627 /* init port */ 628 printf("Initializing port %u... ", (unsigned) portid); 629 fflush(stdout); 630 631 ret = rte_eth_dev_info_get(portid, &dev_info); 632 if (ret != 0) 633 rte_exit(EXIT_FAILURE, 634 "Error during getting device (port %u) info: %s\n", 635 portid, strerror(-ret)); 636 637 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 638 local_port_conf.txmode.offloads |= 639 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 640 /* Configure RX and TX queues. 8< */ 641 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 642 if (ret < 0) 643 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 644 ret, (unsigned) portid); 645 /* >8 End of configure RX and TX queues. */ 646 647 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 648 &nb_txd); 649 if (ret < 0) 650 rte_exit(EXIT_FAILURE, 651 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n", 652 ret, (unsigned) portid); 653 654 /* register lsi interrupt callback, need to be after 655 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no 656 * lsc interrupt will be present, and below callback to 657 * be registered will never be called. 658 */ 659 660 /* RTE callback register. 8< */ 661 rte_eth_dev_callback_register(portid, 662 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL); 663 /* >8 End of registering lsi interrupt callback. */ 664 665 ret = rte_eth_macaddr_get(portid, 666 &lsi_ports_eth_addr[portid]); 667 if (ret < 0) 668 rte_exit(EXIT_FAILURE, 669 "rte_eth_macaddr_get: err=%d, port=%u\n", 670 ret, (unsigned int)portid); 671 672 /* init one RX queue */ 673 fflush(stdout); 674 rxq_conf = dev_info.default_rxconf; 675 rxq_conf.offloads = local_port_conf.rxmode.offloads; 676 /* RX queue initialization. 8< */ 677 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 678 rte_eth_dev_socket_id(portid), 679 &rxq_conf, 680 lsi_pktmbuf_pool); 681 if (ret < 0) 682 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n", 683 ret, (unsigned) portid); 684 /* >8 End of RX queue initialization. */ 685 686 /* init one TX queue logical core on each port. 8< */ 687 fflush(stdout); 688 txq_conf = dev_info.default_txconf; 689 txq_conf.offloads = local_port_conf.txmode.offloads; 690 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 691 rte_eth_dev_socket_id(portid), 692 &txq_conf); 693 if (ret < 0) 694 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n", 695 ret, (unsigned) portid); 696 /* >8 End of init one TX queue. */ 697 698 /* Initialize TX buffers */ 699 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 700 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 701 rte_eth_dev_socket_id(portid)); 702 if (tx_buffer[portid] == NULL) 703 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 704 (unsigned) portid); 705 706 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 707 708 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 709 rte_eth_tx_buffer_count_callback, 710 &port_statistics[portid].dropped); 711 if (ret < 0) 712 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 713 "tx buffer on port %u\n", (unsigned) portid); 714 715 /* Start device */ 716 ret = rte_eth_dev_start(portid); 717 if (ret < 0) 718 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n", 719 ret, (unsigned) portid); 720 printf("done:\n"); 721 722 ret = rte_eth_promiscuous_enable(portid); 723 if (ret != 0) 724 rte_exit(EXIT_FAILURE, 725 "rte_eth_promiscuous_enable: err=%s, port=%u\n", 726 rte_strerror(-ret), portid); 727 728 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n", 729 (unsigned) portid, 730 RTE_ETHER_ADDR_BYTES(&lsi_ports_eth_addr[portid])); 731 732 /* initialize port stats */ 733 memset(&port_statistics, 0, sizeof(port_statistics)); 734 } 735 736 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask); 737 738 /* launch per-lcore init on every lcore */ 739 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MAIN); 740 RTE_LCORE_FOREACH_WORKER(lcore_id) { 741 if (rte_eal_wait_lcore(lcore_id) < 0) 742 return -1; 743 } 744 745 /* clean up the EAL */ 746 rte_eal_cleanup(); 747 748 return 0; 749 } 750