1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 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 <string.h> 41 #include <sys/queue.h> 42 #include <netinet/in.h> 43 #include <setjmp.h> 44 #include <stdarg.h> 45 #include <ctype.h> 46 #include <errno.h> 47 #include <getopt.h> 48 49 #include <rte_common.h> 50 #include <rte_log.h> 51 #include <rte_memory.h> 52 #include <rte_memcpy.h> 53 #include <rte_memzone.h> 54 #include <rte_eal.h> 55 #include <rte_per_lcore.h> 56 #include <rte_launch.h> 57 #include <rte_atomic.h> 58 #include <rte_cycles.h> 59 #include <rte_prefetch.h> 60 #include <rte_lcore.h> 61 #include <rte_per_lcore.h> 62 #include <rte_branch_prediction.h> 63 #include <rte_interrupts.h> 64 #include <rte_pci.h> 65 #include <rte_random.h> 66 #include <rte_debug.h> 67 #include <rte_ether.h> 68 #include <rte_ethdev.h> 69 #include <rte_ring.h> 70 #include <rte_mempool.h> 71 #include <rte_mbuf.h> 72 73 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1 74 75 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) 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 lsi_ports_eth_addr[RTE_MAX_ETHPORTS]; 91 92 /* mask of enabled ports */ 93 static uint32_t lsi_enabled_port_mask = 0; 94 95 static unsigned int lsi_rx_queue_per_lcore = 1; 96 97 /* destination port for L2 forwarding */ 98 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0}; 99 100 #define MAX_PKT_BURST 32 101 struct mbuf_table { 102 unsigned len; 103 struct rte_mbuf *m_table[MAX_PKT_BURST]; 104 }; 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 unsigned tx_queue_id; 112 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; 113 114 } __rte_cache_aligned; 115 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 116 117 static const struct rte_eth_conf port_conf = { 118 .rxmode = { 119 .split_hdr_size = 0, 120 .header_split = 0, /**< Header Split disabled */ 121 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 122 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 123 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 124 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 125 }, 126 .txmode = { 127 .mq_mode = ETH_MQ_TX_NONE, 128 }, 129 .intr_conf = { 130 .lsc = 1, /**< lsc interrupt feature enabled */ 131 }, 132 }; 133 134 struct rte_mempool * lsi_pktmbuf_pool = NULL; 135 136 /* Per-port statistics struct */ 137 struct lsi_port_statistics { 138 uint64_t tx; 139 uint64_t rx; 140 uint64_t dropped; 141 } __rte_cache_aligned; 142 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 143 144 /* A tsc-based timer responsible for triggering statistics printout */ 145 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 146 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 147 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 148 149 /* Print out statistics on packets dropped */ 150 static void 151 print_stats(void) 152 { 153 struct rte_eth_link link; 154 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 155 unsigned portid; 156 157 total_packets_dropped = 0; 158 total_packets_tx = 0; 159 total_packets_rx = 0; 160 161 const char clr[] = { 27, '[', '2', 'J', '\0' }; 162 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 163 164 /* Clear screen and move to top left */ 165 printf("%s%s", clr, topLeft); 166 167 printf("\nPort statistics ===================================="); 168 169 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 170 /* skip ports that are not enabled */ 171 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 172 continue; 173 174 memset(&link, 0, sizeof(link)); 175 rte_eth_link_get_nowait((uint8_t)portid, &link); 176 printf("\nStatistics for port %u ------------------------------" 177 "\nLink status: %25s" 178 "\nLink speed: %26u" 179 "\nLink duplex: %25s" 180 "\nPackets sent: %24"PRIu64 181 "\nPackets received: %20"PRIu64 182 "\nPackets dropped: %21"PRIu64, 183 portid, 184 (link.link_status ? "Link up" : "Link down"), 185 (unsigned)link.link_speed, 186 (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \ 187 "full-duplex" : "half-duplex"), 188 port_statistics[portid].tx, 189 port_statistics[portid].rx, 190 port_statistics[portid].dropped); 191 192 total_packets_dropped += port_statistics[portid].dropped; 193 total_packets_tx += port_statistics[portid].tx; 194 total_packets_rx += port_statistics[portid].rx; 195 } 196 printf("\nAggregate statistics ===============================" 197 "\nTotal packets sent: %18"PRIu64 198 "\nTotal packets received: %14"PRIu64 199 "\nTotal packets dropped: %15"PRIu64, 200 total_packets_tx, 201 total_packets_rx, 202 total_packets_dropped); 203 printf("\n====================================================\n"); 204 } 205 206 /* Send the packet on an output interface */ 207 static int 208 lsi_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) 209 { 210 struct rte_mbuf **m_table; 211 unsigned ret; 212 unsigned queueid; 213 214 queueid = (uint16_t) qconf->tx_queue_id; 215 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 216 217 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); 218 port_statistics[port].tx += ret; 219 if (unlikely(ret < n)) { 220 port_statistics[port].dropped += (n - ret); 221 do { 222 rte_pktmbuf_free(m_table[ret]); 223 } while (++ret < n); 224 } 225 226 return 0; 227 } 228 229 /* Send the packet on an output interface */ 230 static int 231 lsi_send_packet(struct rte_mbuf *m, uint8_t port) 232 { 233 unsigned lcore_id, len; 234 struct lcore_queue_conf *qconf; 235 236 lcore_id = rte_lcore_id(); 237 238 qconf = &lcore_queue_conf[lcore_id]; 239 len = qconf->tx_mbufs[port].len; 240 qconf->tx_mbufs[port].m_table[len] = m; 241 len++; 242 243 /* enough pkts to be sent */ 244 if (unlikely(len == MAX_PKT_BURST)) { 245 lsi_send_burst(qconf, MAX_PKT_BURST, port); 246 len = 0; 247 } 248 249 qconf->tx_mbufs[port].len = len; 250 return 0; 251 } 252 253 static void 254 lsi_simple_forward(struct rte_mbuf *m, unsigned portid) 255 { 256 struct ether_hdr *eth; 257 void *tmp; 258 unsigned dst_port = lsi_dst_ports[portid]; 259 260 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 261 262 /* 02:00:00:00:00:xx */ 263 tmp = ð->d_addr.addr_bytes[0]; 264 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 265 266 /* src addr */ 267 ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->s_addr); 268 269 lsi_send_packet(m, (uint8_t) dst_port); 270 } 271 272 /* main processing loop */ 273 static void 274 lsi_main_loop(void) 275 { 276 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 277 struct rte_mbuf *m; 278 unsigned lcore_id; 279 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 280 unsigned i, j, portid, nb_rx; 281 struct lcore_queue_conf *qconf; 282 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 283 284 prev_tsc = 0; 285 timer_tsc = 0; 286 287 lcore_id = rte_lcore_id(); 288 qconf = &lcore_queue_conf[lcore_id]; 289 290 if (qconf->n_rx_port == 0) { 291 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id); 292 return; 293 } 294 295 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id); 296 297 for (i = 0; i < qconf->n_rx_port; i++) { 298 299 portid = qconf->rx_port_list[i]; 300 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id, 301 portid); 302 } 303 304 while (1) { 305 306 cur_tsc = rte_rdtsc(); 307 308 /* 309 * TX burst queue drain 310 */ 311 diff_tsc = cur_tsc - prev_tsc; 312 if (unlikely(diff_tsc > drain_tsc)) { 313 314 /* this could be optimized (use queueid instead of 315 * portid), but it is not called so often */ 316 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 317 if (qconf->tx_mbufs[portid].len == 0) 318 continue; 319 lsi_send_burst(&lcore_queue_conf[lcore_id], 320 qconf->tx_mbufs[portid].len, 321 (uint8_t) portid); 322 qconf->tx_mbufs[portid].len = 0; 323 } 324 325 /* if timer is enabled */ 326 if (timer_period > 0) { 327 328 /* advance the timer */ 329 timer_tsc += diff_tsc; 330 331 /* if timer has reached its timeout */ 332 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 333 334 /* do this only on master core */ 335 if (lcore_id == rte_get_master_lcore()) { 336 print_stats(); 337 /* reset the timer */ 338 timer_tsc = 0; 339 } 340 } 341 } 342 343 prev_tsc = cur_tsc; 344 } 345 346 /* 347 * Read packet from RX queues 348 */ 349 for (i = 0; i < qconf->n_rx_port; i++) { 350 351 portid = qconf->rx_port_list[i]; 352 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 353 pkts_burst, MAX_PKT_BURST); 354 355 port_statistics[portid].rx += nb_rx; 356 357 for (j = 0; j < nb_rx; j++) { 358 m = pkts_burst[j]; 359 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 360 lsi_simple_forward(m, portid); 361 } 362 } 363 } 364 } 365 366 static int 367 lsi_launch_one_lcore(__attribute__((unused)) void *dummy) 368 { 369 lsi_main_loop(); 370 return 0; 371 } 372 373 /* display usage */ 374 static void 375 lsi_usage(const char *prgname) 376 { 377 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 378 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 379 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 380 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 381 prgname); 382 } 383 384 static int 385 lsi_parse_portmask(const char *portmask) 386 { 387 char *end = NULL; 388 unsigned long pm; 389 390 /* parse hexadecimal string */ 391 pm = strtoul(portmask, &end, 16); 392 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 393 return -1; 394 395 if (pm == 0) 396 return -1; 397 398 return pm; 399 } 400 401 static unsigned int 402 lsi_parse_nqueue(const char *q_arg) 403 { 404 char *end = NULL; 405 unsigned long n; 406 407 /* parse hexadecimal string */ 408 n = strtoul(q_arg, &end, 10); 409 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 410 return 0; 411 if (n == 0) 412 return 0; 413 if (n >= MAX_RX_QUEUE_PER_LCORE) 414 return 0; 415 416 return n; 417 } 418 419 static int 420 lsi_parse_timer_period(const char *q_arg) 421 { 422 char *end = NULL; 423 int n; 424 425 /* parse number string */ 426 n = strtol(q_arg, &end, 10); 427 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 428 return -1; 429 if (n >= MAX_TIMER_PERIOD) 430 return -1; 431 432 return n; 433 } 434 435 /* Parse the argument given in the command line of the application */ 436 static int 437 lsi_parse_args(int argc, char **argv) 438 { 439 int opt, ret; 440 char **argvopt; 441 int option_index; 442 char *prgname = argv[0]; 443 static struct option lgopts[] = { 444 {NULL, 0, 0, 0} 445 }; 446 447 argvopt = argv; 448 449 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 450 lgopts, &option_index)) != EOF) { 451 452 switch (opt) { 453 /* portmask */ 454 case 'p': 455 lsi_enabled_port_mask = lsi_parse_portmask(optarg); 456 if (lsi_enabled_port_mask == 0) { 457 printf("invalid portmask\n"); 458 lsi_usage(prgname); 459 return -1; 460 } 461 break; 462 463 /* nqueue */ 464 case 'q': 465 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg); 466 if (lsi_rx_queue_per_lcore == 0) { 467 printf("invalid queue number\n"); 468 lsi_usage(prgname); 469 return -1; 470 } 471 break; 472 473 /* timer period */ 474 case 'T': 475 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 476 if (timer_period < 0) { 477 printf("invalid timer period\n"); 478 lsi_usage(prgname); 479 return -1; 480 } 481 break; 482 483 /* long options */ 484 case 0: 485 lsi_usage(prgname); 486 return -1; 487 488 default: 489 lsi_usage(prgname); 490 return -1; 491 } 492 } 493 494 if (optind >= 0) 495 argv[optind-1] = prgname; 496 497 ret = optind-1; 498 optind = 0; /* reset getopt lib */ 499 return ret; 500 } 501 502 /** 503 * It will be called as the callback for specified port after a LSI interrupt 504 * has been fully handled. This callback needs to be implemented carefully as 505 * it will be called in the interrupt host thread which is different from the 506 * application main thread. 507 * 508 * @param port_id 509 * Port id. 510 * @param type 511 * event type. 512 * @param param 513 * Pointer to(address of) the parameters. 514 * 515 * @return 516 * void. 517 */ 518 static void 519 lsi_event_callback(uint8_t port_id, enum rte_eth_event_type type, void *param) 520 { 521 struct rte_eth_link link; 522 523 RTE_SET_USED(param); 524 525 printf("\n\nIn registered callback...\n"); 526 printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event"); 527 rte_eth_link_get_nowait(port_id, &link); 528 if (link.link_status) { 529 printf("Port %d Link Up - speed %u Mbps - %s\n\n", 530 port_id, (unsigned)link.link_speed, 531 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 532 ("full-duplex") : ("half-duplex")); 533 } else 534 printf("Port %d Link Down\n\n", port_id); 535 } 536 537 /* Check the link status of all ports in up to 9s, and print them finally */ 538 static void 539 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 540 { 541 #define CHECK_INTERVAL 100 /* 100ms */ 542 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 543 uint8_t portid, count, all_ports_up, print_flag = 0; 544 struct rte_eth_link link; 545 546 printf("\nChecking link status"); 547 fflush(stdout); 548 for (count = 0; count <= MAX_CHECK_TIME; count++) { 549 all_ports_up = 1; 550 for (portid = 0; portid < port_num; portid++) { 551 if ((port_mask & (1 << portid)) == 0) 552 continue; 553 memset(&link, 0, sizeof(link)); 554 rte_eth_link_get_nowait(portid, &link); 555 /* print link status if flag set */ 556 if (print_flag == 1) { 557 if (link.link_status) 558 printf("Port %d Link Up - speed %u " 559 "Mbps - %s\n", (uint8_t)portid, 560 (unsigned)link.link_speed, 561 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 562 ("full-duplex") : ("half-duplex\n")); 563 else 564 printf("Port %d Link Down\n", 565 (uint8_t)portid); 566 continue; 567 } 568 /* clear all_ports_up flag if any link down */ 569 if (link.link_status == 0) { 570 all_ports_up = 0; 571 break; 572 } 573 } 574 /* after finally printing all link status, get out */ 575 if (print_flag == 1) 576 break; 577 578 if (all_ports_up == 0) { 579 printf("."); 580 fflush(stdout); 581 rte_delay_ms(CHECK_INTERVAL); 582 } 583 584 /* set the print_flag if all ports up or timeout */ 585 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 586 print_flag = 1; 587 printf("done\n"); 588 } 589 } 590 } 591 592 int 593 main(int argc, char **argv) 594 { 595 struct lcore_queue_conf *qconf; 596 struct rte_eth_dev_info dev_info; 597 int ret; 598 uint8_t nb_ports; 599 uint8_t portid, portid_last = 0; 600 unsigned lcore_id, rx_lcore_id; 601 unsigned nb_ports_in_mask = 0; 602 603 /* init EAL */ 604 ret = rte_eal_init(argc, argv); 605 if (ret < 0) 606 rte_exit(EXIT_FAILURE, "rte_eal_init failed"); 607 argc -= ret; 608 argv += ret; 609 610 /* parse application arguments (after the EAL ones) */ 611 ret = lsi_parse_args(argc, argv); 612 if (ret < 0) 613 rte_exit(EXIT_FAILURE, "Invalid arguments"); 614 615 /* create the mbuf pool */ 616 lsi_pktmbuf_pool = 617 rte_mempool_create("mbuf_pool", NB_MBUF, 618 MBUF_SIZE, 32, 619 sizeof(struct rte_pktmbuf_pool_private), 620 rte_pktmbuf_pool_init, NULL, 621 rte_pktmbuf_init, NULL, 622 rte_socket_id(), 0); 623 if (lsi_pktmbuf_pool == NULL) 624 rte_panic("Cannot init mbuf pool\n"); 625 626 nb_ports = rte_eth_dev_count(); 627 if (nb_ports == 0) 628 rte_panic("No Ethernet port - bye\n"); 629 630 if (nb_ports > RTE_MAX_ETHPORTS) 631 nb_ports = RTE_MAX_ETHPORTS; 632 633 /* 634 * Each logical core is assigned a dedicated TX queue on each port. 635 */ 636 for (portid = 0; portid < nb_ports; portid++) { 637 /* skip ports that are not enabled */ 638 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 639 continue; 640 641 /* save the destination port id */ 642 if (nb_ports_in_mask % 2) { 643 lsi_dst_ports[portid] = portid_last; 644 lsi_dst_ports[portid_last] = portid; 645 } 646 else 647 portid_last = portid; 648 649 nb_ports_in_mask++; 650 651 rte_eth_dev_info_get(portid, &dev_info); 652 } 653 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2) 654 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, " 655 "but it should be even and at least 2\n", 656 nb_ports_in_mask); 657 658 rx_lcore_id = 0; 659 qconf = &lcore_queue_conf[rx_lcore_id]; 660 661 /* Initialize the port/queue configuration of each logical core */ 662 for (portid = 0; portid < nb_ports; portid++) { 663 /* skip ports that are not enabled */ 664 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 665 continue; 666 667 /* get the lcore_id for this port */ 668 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 669 lcore_queue_conf[rx_lcore_id].n_rx_port == 670 lsi_rx_queue_per_lcore) { 671 672 rx_lcore_id++; 673 if (rx_lcore_id >= RTE_MAX_LCORE) 674 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 675 } 676 if (qconf != &lcore_queue_conf[rx_lcore_id]) 677 /* Assigned a new logical core in the loop above. */ 678 qconf = &lcore_queue_conf[rx_lcore_id]; 679 680 qconf->rx_port_list[qconf->n_rx_port] = portid; 681 qconf->n_rx_port++; 682 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid); 683 } 684 685 /* Initialise each port */ 686 for (portid = 0; portid < nb_ports; portid++) { 687 /* skip ports that are not enabled */ 688 if ((lsi_enabled_port_mask & (1 << portid)) == 0) { 689 printf("Skipping disabled port %u\n", (unsigned) portid); 690 continue; 691 } 692 /* init port */ 693 printf("Initializing port %u... ", (unsigned) portid); 694 fflush(stdout); 695 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 696 if (ret < 0) 697 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 698 ret, (unsigned) portid); 699 700 /* register lsi interrupt callback, need to be after 701 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no 702 * lsc interrupt will be present, and below callback to 703 * be registered will never be called. 704 */ 705 rte_eth_dev_callback_register(portid, 706 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL); 707 708 rte_eth_macaddr_get(portid, 709 &lsi_ports_eth_addr[portid]); 710 711 /* init one RX queue */ 712 fflush(stdout); 713 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 714 rte_eth_dev_socket_id(portid), 715 NULL, 716 lsi_pktmbuf_pool); 717 if (ret < 0) 718 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n", 719 ret, (unsigned) portid); 720 721 /* init one TX queue logical core on each port */ 722 fflush(stdout); 723 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 724 rte_eth_dev_socket_id(portid), 725 NULL); 726 if (ret < 0) 727 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n", 728 ret, (unsigned) portid); 729 730 /* Start device */ 731 ret = rte_eth_dev_start(portid); 732 if (ret < 0) 733 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n", 734 ret, (unsigned) portid); 735 printf("done:\n"); 736 737 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 738 (unsigned) portid, 739 lsi_ports_eth_addr[portid].addr_bytes[0], 740 lsi_ports_eth_addr[portid].addr_bytes[1], 741 lsi_ports_eth_addr[portid].addr_bytes[2], 742 lsi_ports_eth_addr[portid].addr_bytes[3], 743 lsi_ports_eth_addr[portid].addr_bytes[4], 744 lsi_ports_eth_addr[portid].addr_bytes[5]); 745 746 /* initialize port stats */ 747 memset(&port_statistics, 0, sizeof(port_statistics)); 748 } 749 750 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask); 751 752 /* launch per-lcore init on every lcore */ 753 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER); 754 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 755 if (rte_eal_wait_lcore(lcore_id) < 0) 756 return -1; 757 } 758 759 return 0; 760 } 761