1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2016 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 #include <signal.h> 48 #include <stdbool.h> 49 50 #include <rte_common.h> 51 #include <rte_log.h> 52 #include <rte_malloc.h> 53 #include <rte_memory.h> 54 #include <rte_memcpy.h> 55 #include <rte_memzone.h> 56 #include <rte_eal.h> 57 #include <rte_per_lcore.h> 58 #include <rte_launch.h> 59 #include <rte_atomic.h> 60 #include <rte_cycles.h> 61 #include <rte_prefetch.h> 62 #include <rte_lcore.h> 63 #include <rte_per_lcore.h> 64 #include <rte_branch_prediction.h> 65 #include <rte_interrupts.h> 66 #include <rte_pci.h> 67 #include <rte_random.h> 68 #include <rte_debug.h> 69 #include <rte_ether.h> 70 #include <rte_ethdev.h> 71 #include <rte_mempool.h> 72 #include <rte_mbuf.h> 73 74 static volatile bool force_quit; 75 76 /* MAC updating enabled by default */ 77 static int mac_updating = 1; 78 79 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 80 81 #define NB_MBUF 8192 82 83 #define MAX_PKT_BURST 32 84 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 85 #define MEMPOOL_CACHE_SIZE 256 86 87 /* 88 * Configurable number of RX/TX ring descriptors 89 */ 90 #define RTE_TEST_RX_DESC_DEFAULT 128 91 #define RTE_TEST_TX_DESC_DEFAULT 512 92 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 93 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 94 95 /* ethernet addresses of ports */ 96 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 97 98 /* mask of enabled ports */ 99 static uint32_t l2fwd_enabled_port_mask = 0; 100 101 /* list of enabled ports */ 102 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 103 104 static unsigned int l2fwd_rx_queue_per_lcore = 1; 105 106 #define MAX_RX_QUEUE_PER_LCORE 16 107 #define MAX_TX_QUEUE_PER_PORT 16 108 struct lcore_queue_conf { 109 unsigned n_rx_port; 110 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 111 } __rte_cache_aligned; 112 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 113 114 static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 115 116 static const struct rte_eth_conf port_conf = { 117 .rxmode = { 118 .split_hdr_size = 0, 119 .header_split = 0, /**< Header Split disabled */ 120 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 121 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 122 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 123 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 124 }, 125 .txmode = { 126 .mq_mode = ETH_MQ_TX_NONE, 127 }, 128 }; 129 130 struct rte_mempool * l2fwd_pktmbuf_pool = NULL; 131 132 /* Per-port statistics struct */ 133 struct l2fwd_port_statistics { 134 uint64_t tx; 135 uint64_t rx; 136 uint64_t dropped; 137 } __rte_cache_aligned; 138 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 139 140 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 141 /* A tsc-based timer responsible for triggering statistics printout */ 142 static uint64_t timer_period = 10; /* default period is 10 seconds */ 143 144 /* Print out statistics on packets dropped */ 145 static void 146 print_stats(void) 147 { 148 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 149 unsigned portid; 150 151 total_packets_dropped = 0; 152 total_packets_tx = 0; 153 total_packets_rx = 0; 154 155 const char clr[] = { 27, '[', '2', 'J', '\0' }; 156 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 157 158 /* Clear screen and move to top left */ 159 printf("%s%s", clr, topLeft); 160 161 printf("\nPort statistics ===================================="); 162 163 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 164 /* skip disabled ports */ 165 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 166 continue; 167 printf("\nStatistics for port %u ------------------------------" 168 "\nPackets sent: %24"PRIu64 169 "\nPackets received: %20"PRIu64 170 "\nPackets dropped: %21"PRIu64, 171 portid, 172 port_statistics[portid].tx, 173 port_statistics[portid].rx, 174 port_statistics[portid].dropped); 175 176 total_packets_dropped += port_statistics[portid].dropped; 177 total_packets_tx += port_statistics[portid].tx; 178 total_packets_rx += port_statistics[portid].rx; 179 } 180 printf("\nAggregate statistics ===============================" 181 "\nTotal packets sent: %18"PRIu64 182 "\nTotal packets received: %14"PRIu64 183 "\nTotal packets dropped: %15"PRIu64, 184 total_packets_tx, 185 total_packets_rx, 186 total_packets_dropped); 187 printf("\n====================================================\n"); 188 } 189 190 static void 191 l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid) 192 { 193 struct ether_hdr *eth; 194 void *tmp; 195 196 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 197 198 /* 02:00:00:00:00:xx */ 199 tmp = ð->d_addr.addr_bytes[0]; 200 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40); 201 202 /* src addr */ 203 ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr); 204 } 205 206 static void 207 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 208 { 209 unsigned dst_port; 210 int sent; 211 struct rte_eth_dev_tx_buffer *buffer; 212 213 dst_port = l2fwd_dst_ports[portid]; 214 215 if (mac_updating) 216 l2fwd_mac_updating(m, dst_port); 217 218 buffer = tx_buffer[dst_port]; 219 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 220 if (sent) 221 port_statistics[dst_port].tx += sent; 222 } 223 224 /* main processing loop */ 225 static void 226 l2fwd_main_loop(void) 227 { 228 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 229 struct rte_mbuf *m; 230 int sent; 231 unsigned lcore_id; 232 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 233 unsigned i, j, portid, nb_rx; 234 struct lcore_queue_conf *qconf; 235 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 236 BURST_TX_DRAIN_US; 237 struct rte_eth_dev_tx_buffer *buffer; 238 239 prev_tsc = 0; 240 timer_tsc = 0; 241 242 lcore_id = rte_lcore_id(); 243 qconf = &lcore_queue_conf[lcore_id]; 244 245 if (qconf->n_rx_port == 0) { 246 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 247 return; 248 } 249 250 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 251 252 for (i = 0; i < qconf->n_rx_port; i++) { 253 254 portid = qconf->rx_port_list[i]; 255 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 256 portid); 257 258 } 259 260 while (!force_quit) { 261 262 cur_tsc = rte_rdtsc(); 263 264 /* 265 * TX burst queue drain 266 */ 267 diff_tsc = cur_tsc - prev_tsc; 268 if (unlikely(diff_tsc > drain_tsc)) { 269 270 for (i = 0; i < qconf->n_rx_port; i++) { 271 272 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 273 buffer = tx_buffer[portid]; 274 275 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 276 if (sent) 277 port_statistics[portid].tx += sent; 278 279 } 280 281 /* if timer is enabled */ 282 if (timer_period > 0) { 283 284 /* advance the timer */ 285 timer_tsc += diff_tsc; 286 287 /* if timer has reached its timeout */ 288 if (unlikely(timer_tsc >= timer_period)) { 289 290 /* do this only on master core */ 291 if (lcore_id == rte_get_master_lcore()) { 292 print_stats(); 293 /* reset the timer */ 294 timer_tsc = 0; 295 } 296 } 297 } 298 299 prev_tsc = cur_tsc; 300 } 301 302 /* 303 * Read packet from RX queues 304 */ 305 for (i = 0; i < qconf->n_rx_port; i++) { 306 307 portid = qconf->rx_port_list[i]; 308 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 309 pkts_burst, MAX_PKT_BURST); 310 311 port_statistics[portid].rx += nb_rx; 312 313 for (j = 0; j < nb_rx; j++) { 314 m = pkts_burst[j]; 315 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 316 l2fwd_simple_forward(m, portid); 317 } 318 } 319 } 320 } 321 322 static int 323 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 324 { 325 l2fwd_main_loop(); 326 return 0; 327 } 328 329 /* display usage */ 330 static void 331 l2fwd_usage(const char *prgname) 332 { 333 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 334 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 335 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 336 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n" 337 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" 338 " When enabled:\n" 339 " - The source MAC address is replaced by the TX port MAC address\n" 340 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n", 341 prgname); 342 } 343 344 static int 345 l2fwd_parse_portmask(const char *portmask) 346 { 347 char *end = NULL; 348 unsigned long pm; 349 350 /* parse hexadecimal string */ 351 pm = strtoul(portmask, &end, 16); 352 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 353 return -1; 354 355 if (pm == 0) 356 return -1; 357 358 return pm; 359 } 360 361 static unsigned int 362 l2fwd_parse_nqueue(const char *q_arg) 363 { 364 char *end = NULL; 365 unsigned long n; 366 367 /* parse hexadecimal string */ 368 n = strtoul(q_arg, &end, 10); 369 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 370 return 0; 371 if (n == 0) 372 return 0; 373 if (n >= MAX_RX_QUEUE_PER_LCORE) 374 return 0; 375 376 return n; 377 } 378 379 static int 380 l2fwd_parse_timer_period(const char *q_arg) 381 { 382 char *end = NULL; 383 int n; 384 385 /* parse number string */ 386 n = strtol(q_arg, &end, 10); 387 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 388 return -1; 389 if (n >= MAX_TIMER_PERIOD) 390 return -1; 391 392 return n; 393 } 394 395 static const char short_options[] = 396 "p:" /* portmask */ 397 "q:" /* number of queues */ 398 "T:" /* timer period */ 399 ; 400 401 #define CMD_LINE_OPT_MAC_UPDATING "mac-updating" 402 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating" 403 404 enum { 405 /* long options mapped to a short option */ 406 407 /* first long only option value must be >= 256, so that we won't 408 * conflict with short options */ 409 CMD_LINE_OPT_MIN_NUM = 256, 410 }; 411 412 static const struct option lgopts[] = { 413 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1}, 414 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0}, 415 {NULL, 0, 0, 0} 416 }; 417 418 /* Parse the argument given in the command line of the application */ 419 static int 420 l2fwd_parse_args(int argc, char **argv) 421 { 422 int opt, ret, timer_secs; 423 char **argvopt; 424 int option_index; 425 char *prgname = argv[0]; 426 427 argvopt = argv; 428 429 while ((opt = getopt_long(argc, argvopt, short_options, 430 lgopts, &option_index)) != EOF) { 431 432 switch (opt) { 433 /* portmask */ 434 case 'p': 435 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 436 if (l2fwd_enabled_port_mask == 0) { 437 printf("invalid portmask\n"); 438 l2fwd_usage(prgname); 439 return -1; 440 } 441 break; 442 443 /* nqueue */ 444 case 'q': 445 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 446 if (l2fwd_rx_queue_per_lcore == 0) { 447 printf("invalid queue number\n"); 448 l2fwd_usage(prgname); 449 return -1; 450 } 451 break; 452 453 /* timer period */ 454 case 'T': 455 timer_secs = l2fwd_parse_timer_period(optarg); 456 if (timer_secs < 0) { 457 printf("invalid timer period\n"); 458 l2fwd_usage(prgname); 459 return -1; 460 } 461 timer_period = timer_secs; 462 break; 463 464 /* long options */ 465 case 0: 466 break; 467 468 default: 469 l2fwd_usage(prgname); 470 return -1; 471 } 472 } 473 474 if (optind >= 0) 475 argv[optind-1] = prgname; 476 477 ret = optind-1; 478 optind = 0; /* reset getopt lib */ 479 return ret; 480 } 481 482 /* Check the link status of all ports in up to 9s, and print them finally */ 483 static void 484 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 485 { 486 #define CHECK_INTERVAL 100 /* 100ms */ 487 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 488 uint8_t portid, count, all_ports_up, print_flag = 0; 489 struct rte_eth_link link; 490 491 printf("\nChecking link status"); 492 fflush(stdout); 493 for (count = 0; count <= MAX_CHECK_TIME; count++) { 494 if (force_quit) 495 return; 496 all_ports_up = 1; 497 for (portid = 0; portid < port_num; portid++) { 498 if (force_quit) 499 return; 500 if ((port_mask & (1 << portid)) == 0) 501 continue; 502 memset(&link, 0, sizeof(link)); 503 rte_eth_link_get_nowait(portid, &link); 504 /* print link status if flag set */ 505 if (print_flag == 1) { 506 if (link.link_status) 507 printf("Port %d Link Up - speed %u " 508 "Mbps - %s\n", (uint8_t)portid, 509 (unsigned)link.link_speed, 510 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 511 ("full-duplex") : ("half-duplex\n")); 512 else 513 printf("Port %d Link Down\n", 514 (uint8_t)portid); 515 continue; 516 } 517 /* clear all_ports_up flag if any link down */ 518 if (link.link_status == ETH_LINK_DOWN) { 519 all_ports_up = 0; 520 break; 521 } 522 } 523 /* after finally printing all link status, get out */ 524 if (print_flag == 1) 525 break; 526 527 if (all_ports_up == 0) { 528 printf("."); 529 fflush(stdout); 530 rte_delay_ms(CHECK_INTERVAL); 531 } 532 533 /* set the print_flag if all ports up or timeout */ 534 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 535 print_flag = 1; 536 printf("done\n"); 537 } 538 } 539 } 540 541 static void 542 signal_handler(int signum) 543 { 544 if (signum == SIGINT || signum == SIGTERM) { 545 printf("\n\nSignal %d received, preparing to exit...\n", 546 signum); 547 force_quit = true; 548 } 549 } 550 551 int 552 main(int argc, char **argv) 553 { 554 struct lcore_queue_conf *qconf; 555 struct rte_eth_dev_info dev_info; 556 int ret; 557 uint8_t nb_ports; 558 uint8_t nb_ports_available; 559 uint8_t portid, last_port; 560 unsigned lcore_id, rx_lcore_id; 561 unsigned nb_ports_in_mask = 0; 562 563 /* init EAL */ 564 ret = rte_eal_init(argc, argv); 565 if (ret < 0) 566 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 567 argc -= ret; 568 argv += ret; 569 570 force_quit = false; 571 signal(SIGINT, signal_handler); 572 signal(SIGTERM, signal_handler); 573 574 /* parse application arguments (after the EAL ones) */ 575 ret = l2fwd_parse_args(argc, argv); 576 if (ret < 0) 577 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 578 579 printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled"); 580 581 /* convert to number of cycles */ 582 timer_period *= rte_get_timer_hz(); 583 584 /* create the mbuf pool */ 585 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 586 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, 587 rte_socket_id()); 588 if (l2fwd_pktmbuf_pool == NULL) 589 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 590 591 nb_ports = rte_eth_dev_count(); 592 if (nb_ports == 0) 593 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 594 595 /* reset l2fwd_dst_ports */ 596 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 597 l2fwd_dst_ports[portid] = 0; 598 last_port = 0; 599 600 /* 601 * Each logical core is assigned a dedicated TX queue on each port. 602 */ 603 for (portid = 0; portid < nb_ports; portid++) { 604 /* skip ports that are not enabled */ 605 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 606 continue; 607 608 if (nb_ports_in_mask % 2) { 609 l2fwd_dst_ports[portid] = last_port; 610 l2fwd_dst_ports[last_port] = portid; 611 } 612 else 613 last_port = portid; 614 615 nb_ports_in_mask++; 616 617 rte_eth_dev_info_get(portid, &dev_info); 618 } 619 if (nb_ports_in_mask % 2) { 620 printf("Notice: odd number of ports in portmask.\n"); 621 l2fwd_dst_ports[last_port] = last_port; 622 } 623 624 rx_lcore_id = 0; 625 qconf = NULL; 626 627 /* Initialize the port/queue configuration of each logical core */ 628 for (portid = 0; portid < nb_ports; portid++) { 629 /* skip ports that are not enabled */ 630 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 631 continue; 632 633 /* get the lcore_id for this port */ 634 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 635 lcore_queue_conf[rx_lcore_id].n_rx_port == 636 l2fwd_rx_queue_per_lcore) { 637 rx_lcore_id++; 638 if (rx_lcore_id >= RTE_MAX_LCORE) 639 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 640 } 641 642 if (qconf != &lcore_queue_conf[rx_lcore_id]) 643 /* Assigned a new logical core in the loop above. */ 644 qconf = &lcore_queue_conf[rx_lcore_id]; 645 646 qconf->rx_port_list[qconf->n_rx_port] = portid; 647 qconf->n_rx_port++; 648 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); 649 } 650 651 nb_ports_available = nb_ports; 652 653 /* Initialise each port */ 654 for (portid = 0; portid < nb_ports; portid++) { 655 /* skip ports that are not enabled */ 656 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 657 printf("Skipping disabled port %u\n", (unsigned) portid); 658 nb_ports_available--; 659 continue; 660 } 661 /* init port */ 662 printf("Initializing port %u... ", (unsigned) portid); 663 fflush(stdout); 664 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 665 if (ret < 0) 666 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 667 ret, (unsigned) portid); 668 669 rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); 670 671 /* init one RX queue */ 672 fflush(stdout); 673 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 674 rte_eth_dev_socket_id(portid), 675 NULL, 676 l2fwd_pktmbuf_pool); 677 if (ret < 0) 678 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 679 ret, (unsigned) portid); 680 681 /* init one TX queue on each port */ 682 fflush(stdout); 683 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 684 rte_eth_dev_socket_id(portid), 685 NULL); 686 if (ret < 0) 687 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 688 ret, (unsigned) portid); 689 690 /* Initialize TX buffers */ 691 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 692 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 693 rte_eth_dev_socket_id(portid)); 694 if (tx_buffer[portid] == NULL) 695 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 696 (unsigned) portid); 697 698 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 699 700 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 701 rte_eth_tx_buffer_count_callback, 702 &port_statistics[portid].dropped); 703 if (ret < 0) 704 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 705 "tx buffer on port %u\n", (unsigned) portid); 706 707 /* Start device */ 708 ret = rte_eth_dev_start(portid); 709 if (ret < 0) 710 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 711 ret, (unsigned) portid); 712 713 printf("done: \n"); 714 715 rte_eth_promiscuous_enable(portid); 716 717 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 718 (unsigned) portid, 719 l2fwd_ports_eth_addr[portid].addr_bytes[0], 720 l2fwd_ports_eth_addr[portid].addr_bytes[1], 721 l2fwd_ports_eth_addr[portid].addr_bytes[2], 722 l2fwd_ports_eth_addr[portid].addr_bytes[3], 723 l2fwd_ports_eth_addr[portid].addr_bytes[4], 724 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 725 726 /* initialize port stats */ 727 memset(&port_statistics, 0, sizeof(port_statistics)); 728 } 729 730 if (!nb_ports_available) { 731 rte_exit(EXIT_FAILURE, 732 "All available ports are disabled. Please set portmask.\n"); 733 } 734 735 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 736 737 ret = 0; 738 /* launch per-lcore init on every lcore */ 739 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER); 740 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 741 if (rte_eal_wait_lcore(lcore_id) < 0) { 742 ret = -1; 743 break; 744 } 745 } 746 747 for (portid = 0; portid < nb_ports; portid++) { 748 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 749 continue; 750 printf("Closing port %d...", portid); 751 rte_eth_dev_stop(portid); 752 rte_eth_dev_close(portid); 753 printf(" Done\n"); 754 } 755 printf("Bye...\n"); 756 757 return ret; 758 } 759