1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <stdint.h> 38 #include <inttypes.h> 39 #include <sys/types.h> 40 #include <sys/queue.h> 41 #include <netinet/in.h> 42 #include <setjmp.h> 43 #include <stdarg.h> 44 #include <ctype.h> 45 #include <errno.h> 46 #include <getopt.h> 47 48 #include <rte_common.h> 49 #include <rte_log.h> 50 #include <rte_memory.h> 51 #include <rte_memcpy.h> 52 #include <rte_memzone.h> 53 #include <rte_eal.h> 54 #include <rte_per_lcore.h> 55 #include <rte_launch.h> 56 #include <rte_atomic.h> 57 #include <rte_cycles.h> 58 #include <rte_prefetch.h> 59 #include <rte_lcore.h> 60 #include <rte_per_lcore.h> 61 #include <rte_branch_prediction.h> 62 #include <rte_interrupts.h> 63 #include <rte_pci.h> 64 #include <rte_random.h> 65 #include <rte_debug.h> 66 #include <rte_ether.h> 67 #include <rte_ethdev.h> 68 #include <rte_ring.h> 69 #include <rte_mempool.h> 70 #include <rte_mbuf.h> 71 #include <rte_timer.h> 72 #include <rte_keepalive.h> 73 74 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 75 76 #define NB_MBUF 8192 77 78 #define MAX_PKT_BURST 32 79 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 80 81 /* 82 * Configurable number of RX/TX ring descriptors 83 */ 84 #define RTE_TEST_RX_DESC_DEFAULT 128 85 #define RTE_TEST_TX_DESC_DEFAULT 512 86 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 87 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 88 89 /* ethernet addresses of ports */ 90 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 91 92 /* mask of enabled ports */ 93 static uint32_t l2fwd_enabled_port_mask; 94 95 /* list of enabled ports */ 96 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 97 98 static unsigned int l2fwd_rx_queue_per_lcore = 1; 99 100 struct mbuf_table { 101 unsigned len; 102 struct rte_mbuf *m_table[MAX_PKT_BURST]; 103 }; 104 105 #define MAX_RX_QUEUE_PER_LCORE 16 106 #define MAX_TX_QUEUE_PER_PORT 16 107 struct lcore_queue_conf { 108 unsigned n_rx_port; 109 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 110 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; 111 112 } __rte_cache_aligned; 113 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 114 115 static const struct rte_eth_conf port_conf = { 116 .rxmode = { 117 .split_hdr_size = 0, 118 .header_split = 0, /**< Header Split disabled */ 119 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 120 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 121 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 122 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 123 }, 124 .txmode = { 125 .mq_mode = ETH_MQ_TX_NONE, 126 }, 127 }; 128 129 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 130 131 /* Per-port statistics struct */ 132 struct l2fwd_port_statistics { 133 uint64_t tx; 134 uint64_t rx; 135 uint64_t dropped; 136 } __rte_cache_aligned; 137 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 138 139 /* A tsc-based timer responsible for triggering statistics printout */ 140 #define TIMER_MILLISECOND 1 141 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 142 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 143 static int64_t check_period = 5; /* default check cycle is 5ms */ 144 145 /* Keepalive structure */ 146 struct rte_keepalive *rte_global_keepalive_info; 147 148 /* Print out statistics on packets dropped */ 149 static void 150 print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, 151 __attribute__((unused)) void *ptr_data) 152 { 153 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 154 unsigned portid; 155 156 total_packets_dropped = 0; 157 total_packets_tx = 0; 158 total_packets_rx = 0; 159 160 const char clr[] = { 27, '[', '2', 'J', '\0' }; 161 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 162 163 /* Clear screen and move to top left */ 164 printf("%s%s", clr, topLeft); 165 166 printf("\nPort statistics ===================================="); 167 168 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 169 /* skip disabled ports */ 170 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 171 continue; 172 printf("\nStatistics for port %u ------------------------------" 173 "\nPackets sent: %24"PRIu64 174 "\nPackets received: %20"PRIu64 175 "\nPackets dropped: %21"PRIu64, 176 portid, 177 port_statistics[portid].tx, 178 port_statistics[portid].rx, 179 port_statistics[portid].dropped); 180 181 total_packets_dropped += port_statistics[portid].dropped; 182 total_packets_tx += port_statistics[portid].tx; 183 total_packets_rx += port_statistics[portid].rx; 184 } 185 printf("\nAggregate statistics ===============================" 186 "\nTotal packets sent: %18"PRIu64 187 "\nTotal packets received: %14"PRIu64 188 "\nTotal packets dropped: %15"PRIu64, 189 total_packets_tx, 190 total_packets_rx, 191 total_packets_dropped); 192 printf("\n====================================================\n"); 193 } 194 195 /* Send the burst of packets on an output interface */ 196 static int 197 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) 198 { 199 struct rte_mbuf **m_table; 200 unsigned ret; 201 unsigned queueid = 0; 202 203 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 204 205 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); 206 port_statistics[port].tx += ret; 207 if (unlikely(ret < n)) { 208 port_statistics[port].dropped += (n - ret); 209 do { 210 rte_pktmbuf_free(m_table[ret]); 211 } while (++ret < n); 212 } 213 214 return 0; 215 } 216 217 /* Enqueue packets for TX and prepare them to be sent */ 218 static int 219 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port) 220 { 221 unsigned lcore_id, len; 222 struct lcore_queue_conf *qconf; 223 224 lcore_id = rte_lcore_id(); 225 226 qconf = &lcore_queue_conf[lcore_id]; 227 len = qconf->tx_mbufs[port].len; 228 qconf->tx_mbufs[port].m_table[len] = m; 229 len++; 230 231 /* enough pkts to be sent */ 232 if (unlikely(len == MAX_PKT_BURST)) { 233 l2fwd_send_burst(qconf, MAX_PKT_BURST, port); 234 len = 0; 235 } 236 237 qconf->tx_mbufs[port].len = len; 238 return 0; 239 } 240 241 static void 242 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 243 { 244 struct ether_hdr *eth; 245 void *tmp; 246 unsigned dst_port; 247 248 dst_port = l2fwd_dst_ports[portid]; 249 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 250 251 /* 02:00:00:00:00:xx */ 252 tmp = ð->d_addr.addr_bytes[0]; 253 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 254 255 /* src addr */ 256 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 257 258 l2fwd_send_packet(m, (uint8_t) dst_port); 259 } 260 261 /* main processing loop */ 262 static void 263 l2fwd_main_loop(void) 264 { 265 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 266 struct rte_mbuf *m; 267 unsigned lcore_id; 268 uint64_t prev_tsc, diff_tsc, cur_tsc; 269 unsigned i, j, portid, nb_rx; 270 struct lcore_queue_conf *qconf; 271 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 272 / US_PER_S * BURST_TX_DRAIN_US; 273 274 prev_tsc = 0; 275 276 lcore_id = rte_lcore_id(); 277 qconf = &lcore_queue_conf[lcore_id]; 278 279 if (qconf->n_rx_port == 0) { 280 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 281 return; 282 } 283 284 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 285 286 for (i = 0; i < qconf->n_rx_port; i++) { 287 288 portid = qconf->rx_port_list[i]; 289 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 290 portid); 291 } 292 293 uint64_t tsc_initial = rte_rdtsc(); 294 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 295 296 while (1) { 297 /* Keepalive heartbeat */ 298 rte_keepalive_mark_alive(rte_global_keepalive_info); 299 300 cur_tsc = rte_rdtsc(); 301 302 /* 303 * Die randomly within 7 secs for demo purposes if 304 * keepalive enabled 305 */ 306 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 307 break; 308 309 /* 310 * TX burst queue drain 311 */ 312 diff_tsc = cur_tsc - prev_tsc; 313 if (unlikely(diff_tsc > drain_tsc)) { 314 315 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 316 if (qconf->tx_mbufs[portid].len == 0) 317 continue; 318 l2fwd_send_burst(&lcore_queue_conf[lcore_id], 319 qconf->tx_mbufs[portid].len, 320 (uint8_t) portid); 321 qconf->tx_mbufs[portid].len = 0; 322 } 323 324 prev_tsc = cur_tsc; 325 } 326 327 /* 328 * Read packet from RX queues 329 */ 330 for (i = 0; i < qconf->n_rx_port; i++) { 331 332 portid = qconf->rx_port_list[i]; 333 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 334 pkts_burst, MAX_PKT_BURST); 335 336 port_statistics[portid].rx += nb_rx; 337 338 for (j = 0; j < nb_rx; j++) { 339 m = pkts_burst[j]; 340 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 341 l2fwd_simple_forward(m, portid); 342 } 343 } 344 } 345 } 346 347 static int 348 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 349 { 350 l2fwd_main_loop(); 351 return 0; 352 } 353 354 /* display usage */ 355 static void 356 l2fwd_usage(const char *prgname) 357 { 358 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 359 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 360 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 361 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 362 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 363 prgname); 364 } 365 366 static int 367 l2fwd_parse_portmask(const char *portmask) 368 { 369 char *end = NULL; 370 unsigned long pm; 371 372 /* parse hexadecimal string */ 373 pm = strtoul(portmask, &end, 16); 374 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 375 return -1; 376 377 if (pm == 0) 378 return -1; 379 380 return pm; 381 } 382 383 static unsigned int 384 l2fwd_parse_nqueue(const char *q_arg) 385 { 386 char *end = NULL; 387 unsigned long n; 388 389 /* parse hexadecimal string */ 390 n = strtoul(q_arg, &end, 10); 391 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 392 return 0; 393 if (n == 0) 394 return 0; 395 if (n >= MAX_RX_QUEUE_PER_LCORE) 396 return 0; 397 398 return n; 399 } 400 401 static int 402 l2fwd_parse_timer_period(const char *q_arg) 403 { 404 char *end = NULL; 405 int n; 406 407 /* parse number string */ 408 n = strtol(q_arg, &end, 10); 409 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 410 return -1; 411 if (n >= MAX_TIMER_PERIOD) 412 return -1; 413 414 return n; 415 } 416 417 static int 418 l2fwd_parse_check_period(const char *q_arg) 419 { 420 char *end = NULL; 421 int n; 422 423 /* parse number string */ 424 n = strtol(q_arg, &end, 10); 425 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 426 return -1; 427 if (n >= MAX_TIMER_PERIOD) 428 return -1; 429 430 return n; 431 } 432 433 /* Parse the argument given in the command line of the application */ 434 static int 435 l2fwd_parse_args(int argc, char **argv) 436 { 437 int opt, ret; 438 char **argvopt; 439 int option_index; 440 char *prgname = argv[0]; 441 static struct option lgopts[] = { 442 {NULL, 0, 0, 0} 443 }; 444 445 argvopt = argv; 446 447 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 448 lgopts, &option_index)) != EOF) { 449 450 switch (opt) { 451 /* portmask */ 452 case 'p': 453 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 454 if (l2fwd_enabled_port_mask == 0) { 455 printf("invalid portmask\n"); 456 l2fwd_usage(prgname); 457 return -1; 458 } 459 break; 460 461 /* nqueue */ 462 case 'q': 463 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 464 if (l2fwd_rx_queue_per_lcore == 0) { 465 printf("invalid queue number\n"); 466 l2fwd_usage(prgname); 467 return -1; 468 } 469 break; 470 471 /* timer period */ 472 case 'T': 473 timer_period = l2fwd_parse_timer_period(optarg) 474 * (int64_t)(1000 * TIMER_MILLISECOND); 475 if (timer_period < 0) { 476 printf("invalid timer period\n"); 477 l2fwd_usage(prgname); 478 return -1; 479 } 480 break; 481 482 /* Check period */ 483 case 'K': 484 check_period = l2fwd_parse_check_period(optarg); 485 if (check_period < 0) { 486 printf("invalid check period\n"); 487 l2fwd_usage(prgname); 488 return -1; 489 } 490 break; 491 492 /* long options */ 493 case 0: 494 l2fwd_usage(prgname); 495 return -1; 496 497 default: 498 l2fwd_usage(prgname); 499 return -1; 500 } 501 } 502 503 if (optind >= 0) 504 argv[optind-1] = prgname; 505 506 ret = optind-1; 507 optind = 0; /* reset getopt lib */ 508 return ret; 509 } 510 511 /* Check the link status of all ports in up to 9s, and print them finally */ 512 static void 513 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 514 { 515 #define CHECK_INTERVAL 100 /* 100ms */ 516 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 517 uint8_t portid, count, all_ports_up, print_flag = 0; 518 struct rte_eth_link link; 519 520 printf("\nChecking link status"); 521 fflush(stdout); 522 for (count = 0; count <= MAX_CHECK_TIME; count++) { 523 all_ports_up = 1; 524 for (portid = 0; portid < port_num; portid++) { 525 if ((port_mask & (1 << portid)) == 0) 526 continue; 527 memset(&link, 0, sizeof(link)); 528 rte_eth_link_get_nowait(portid, &link); 529 /* print link status if flag set */ 530 if (print_flag == 1) { 531 if (link.link_status) 532 printf("Port %d Link Up - speed %u " 533 "Mbps - %s\n", (uint8_t)portid, 534 (unsigned)link.link_speed, 535 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 536 ("full-duplex") : ("half-duplex\n")); 537 else 538 printf("Port %d Link Down\n", 539 (uint8_t)portid); 540 continue; 541 } 542 /* clear all_ports_up flag if any link down */ 543 if (link.link_status == 0) { 544 all_ports_up = 0; 545 break; 546 } 547 } 548 /* after finally printing all link status, get out */ 549 if (print_flag == 1) 550 break; 551 552 if (all_ports_up == 0) { 553 printf("."); 554 fflush(stdout); 555 rte_delay_ms(CHECK_INTERVAL); 556 } 557 558 /* set the print_flag if all ports up or timeout */ 559 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 560 print_flag = 1; 561 printf("done\n"); 562 } 563 } 564 } 565 566 static void 567 dead_core(__attribute__((unused)) void *ptr_data, const int id_core) 568 { 569 printf("Dead core %i - restarting..\n", id_core); 570 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 571 rte_eal_wait_lcore(id_core); 572 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 573 } else { 574 printf("..false positive!\n"); 575 } 576 } 577 578 int 579 main(int argc, char **argv) 580 { 581 struct lcore_queue_conf *qconf; 582 struct rte_eth_dev_info dev_info; 583 int ret; 584 uint8_t nb_ports; 585 uint8_t nb_ports_available; 586 uint8_t portid, last_port; 587 unsigned lcore_id, rx_lcore_id; 588 unsigned nb_ports_in_mask = 0; 589 590 /* init EAL */ 591 ret = rte_eal_init(argc, argv); 592 if (ret < 0) 593 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 594 argc -= ret; 595 argv += ret; 596 597 l2fwd_enabled_port_mask = 0; 598 599 /* parse application arguments (after the EAL ones) */ 600 ret = l2fwd_parse_args(argc, argv); 601 if (ret < 0) 602 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 603 604 /* create the mbuf pool */ 605 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 606 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 607 if (l2fwd_pktmbuf_pool == NULL) 608 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 609 610 nb_ports = rte_eth_dev_count(); 611 if (nb_ports == 0) 612 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 613 614 if (nb_ports > RTE_MAX_ETHPORTS) 615 nb_ports = RTE_MAX_ETHPORTS; 616 617 /* reset l2fwd_dst_ports */ 618 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 619 l2fwd_dst_ports[portid] = 0; 620 last_port = 0; 621 622 /* 623 * Each logical core is assigned a dedicated TX queue on each port. 624 */ 625 for (portid = 0; portid < nb_ports; portid++) { 626 /* skip ports that are not enabled */ 627 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 628 continue; 629 630 if (nb_ports_in_mask % 2) { 631 l2fwd_dst_ports[portid] = last_port; 632 l2fwd_dst_ports[last_port] = portid; 633 } else 634 last_port = portid; 635 636 nb_ports_in_mask++; 637 638 rte_eth_dev_info_get(portid, &dev_info); 639 } 640 if (nb_ports_in_mask % 2) { 641 printf("Notice: odd number of ports in portmask.\n"); 642 l2fwd_dst_ports[last_port] = last_port; 643 } 644 645 rx_lcore_id = 1; 646 qconf = NULL; 647 648 /* Initialize the port/queue configuration of each logical core */ 649 for (portid = 0; portid < nb_ports; portid++) { 650 /* skip ports that are not enabled */ 651 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 652 continue; 653 654 /* get the lcore_id for this port */ 655 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 656 lcore_queue_conf[rx_lcore_id].n_rx_port == 657 l2fwd_rx_queue_per_lcore) { 658 rx_lcore_id++; 659 if (rx_lcore_id >= RTE_MAX_LCORE) 660 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 661 } 662 663 if (qconf != &lcore_queue_conf[rx_lcore_id]) 664 /* Assigned a new logical core in the loop above. */ 665 qconf = &lcore_queue_conf[rx_lcore_id]; 666 667 qconf->rx_port_list[qconf->n_rx_port] = portid; 668 qconf->n_rx_port++; 669 printf("Lcore %u: RX port %u\n", 670 rx_lcore_id, (unsigned) portid); 671 } 672 673 nb_ports_available = nb_ports; 674 675 /* Initialise each port */ 676 for (portid = 0; portid < nb_ports; portid++) { 677 /* skip ports that are not enabled */ 678 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 679 printf("Skipping disabled port %u\n", 680 (unsigned) portid); 681 nb_ports_available--; 682 continue; 683 } 684 /* init port */ 685 printf("Initializing port %u... ", (unsigned) portid); 686 fflush(stdout); 687 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 688 if (ret < 0) 689 rte_exit(EXIT_FAILURE, 690 "Cannot configure device: err=%d, port=%u\n", 691 ret, (unsigned) portid); 692 693 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); 694 695 /* init one RX queue */ 696 fflush(stdout); 697 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 698 rte_eth_dev_socket_id(portid), 699 NULL, 700 l2fwd_pktmbuf_pool); 701 if (ret < 0) 702 rte_exit(EXIT_FAILURE, 703 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 704 ret, (unsigned) portid); 705 706 /* init one TX queue on each port */ 707 fflush(stdout); 708 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 709 rte_eth_dev_socket_id(portid), 710 NULL); 711 if (ret < 0) 712 rte_exit(EXIT_FAILURE, 713 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 714 ret, (unsigned) portid); 715 716 /* Start device */ 717 ret = rte_eth_dev_start(portid); 718 if (ret < 0) 719 rte_exit(EXIT_FAILURE, 720 "rte_eth_dev_start:err=%d, port=%u\n", 721 ret, (unsigned) portid); 722 723 rte_eth_promiscuous_enable(portid); 724 725 printf("Port %u, MAC address: " 726 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 727 (unsigned) portid, 728 l2fwd_ports_eth_addr[portid].addr_bytes[0], 729 l2fwd_ports_eth_addr[portid].addr_bytes[1], 730 l2fwd_ports_eth_addr[portid].addr_bytes[2], 731 l2fwd_ports_eth_addr[portid].addr_bytes[3], 732 l2fwd_ports_eth_addr[portid].addr_bytes[4], 733 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 734 735 /* initialize port stats */ 736 memset(&port_statistics, 0, sizeof(port_statistics)); 737 } 738 739 if (!nb_ports_available) { 740 rte_exit(EXIT_FAILURE, 741 "All available ports are disabled. Please set portmask.\n"); 742 } 743 744 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 745 746 struct rte_timer hb_timer, stats_timer; 747 748 rte_timer_subsystem_init(); 749 rte_timer_init(&stats_timer); 750 751 if (check_period > 0) { 752 rte_global_keepalive_info = 753 rte_keepalive_create(&dead_core, NULL); 754 if (rte_global_keepalive_info == NULL) 755 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 756 rte_timer_init(&hb_timer); 757 if (rte_timer_reset(&hb_timer, 758 (check_period * rte_get_timer_hz()) / 1000, 759 PERIODICAL, 760 rte_lcore_id(), 761 (void(*)(struct rte_timer*, void*)) 762 &rte_keepalive_dispatch_pings, 763 rte_global_keepalive_info 764 ) != 0 ) 765 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 766 } 767 if (timer_period > 0) { 768 if (rte_timer_reset(&stats_timer, 769 (timer_period * rte_get_timer_hz()) / 1000, 770 PERIODICAL, 771 rte_lcore_id(), 772 &print_stats, NULL 773 ) != 0 ) 774 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 775 } 776 /* launch per-lcore init on every slave lcore */ 777 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 778 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 779 780 if (qconf->n_rx_port == 0) 781 RTE_LOG(INFO, L2FWD, 782 "lcore %u has nothing to do\n", 783 lcore_id 784 ); 785 else { 786 rte_eal_remote_launch( 787 l2fwd_launch_one_lcore, 788 NULL, 789 lcore_id 790 ); 791 rte_keepalive_register_core(rte_global_keepalive_info, 792 lcore_id); 793 } 794 } 795 for (;;) { 796 rte_timer_manage(); 797 rte_delay_ms(5); 798 } 799 800 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 801 if (rte_eal_wait_lcore(lcore_id) < 0) 802 return -1; 803 } 804 805 return 0; 806 } 807