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 <stdint.h> 8 #include <inttypes.h> 9 #include <sys/types.h> 10 #include <string.h> 11 #include <sys/queue.h> 12 #include <stdarg.h> 13 #include <errno.h> 14 #include <getopt.h> 15 #include <signal.h> 16 #include <stdbool.h> 17 18 #include <rte_common.h> 19 #include <rte_vect.h> 20 #include <rte_byteorder.h> 21 #include <rte_log.h> 22 #include <rte_memory.h> 23 #include <rte_memcpy.h> 24 #include <rte_eal.h> 25 #include <rte_launch.h> 26 #include <rte_atomic.h> 27 #include <rte_cycles.h> 28 #include <rte_prefetch.h> 29 #include <rte_lcore.h> 30 #include <rte_per_lcore.h> 31 #include <rte_branch_prediction.h> 32 #include <rte_interrupts.h> 33 #include <rte_random.h> 34 #include <rte_debug.h> 35 #include <rte_ether.h> 36 #include <rte_ethdev.h> 37 #include <rte_mempool.h> 38 #include <rte_mbuf.h> 39 #include <rte_ip.h> 40 #include <rte_tcp.h> 41 #include <rte_udp.h> 42 #include <rte_string_fns.h> 43 #include <rte_cpuflags.h> 44 45 #include <cmdline_parse.h> 46 #include <cmdline_parse_etheraddr.h> 47 48 #include "l3fwd.h" 49 50 /* 51 * Configurable number of RX/TX ring descriptors 52 */ 53 #define RTE_TEST_RX_DESC_DEFAULT 1024 54 #define RTE_TEST_TX_DESC_DEFAULT 1024 55 56 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 57 #define MAX_RX_QUEUE_PER_PORT 128 58 59 #define MAX_LCORE_PARAMS 1024 60 61 /* Static global variables used within this file. */ 62 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 63 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 64 65 /**< Ports set in promiscuous mode off by default. */ 66 static int promiscuous_on; 67 68 /* Select Longest-Prefix or Exact match. */ 69 static int l3fwd_lpm_on; 70 static int l3fwd_em_on; 71 72 static int numa_on = 1; /**< NUMA is enabled by default. */ 73 static int parse_ptype; /**< Parse packet type using rx callback, and */ 74 /**< disabled by default */ 75 76 /* Global variables. */ 77 78 volatile bool force_quit; 79 80 /* ethernet addresses of ports */ 81 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; 82 struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 83 84 xmm_t val_eth[RTE_MAX_ETHPORTS]; 85 86 /* mask of enabled ports */ 87 uint32_t enabled_port_mask; 88 89 /* Used only in exact match mode. */ 90 int ipv6; /**< ipv6 is false by default. */ 91 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 92 93 struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 94 95 struct lcore_params { 96 uint16_t port_id; 97 uint8_t queue_id; 98 uint8_t lcore_id; 99 } __rte_cache_aligned; 100 101 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; 102 static struct lcore_params lcore_params_array_default[] = { 103 {0, 0, 2}, 104 {0, 1, 2}, 105 {0, 2, 2}, 106 {1, 0, 2}, 107 {1, 1, 2}, 108 {1, 2, 2}, 109 {2, 0, 2}, 110 {3, 0, 3}, 111 {3, 1, 3}, 112 }; 113 114 static struct lcore_params * lcore_params = lcore_params_array_default; 115 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / 116 sizeof(lcore_params_array_default[0]); 117 118 static struct rte_eth_conf port_conf = { 119 .rxmode = { 120 .mq_mode = ETH_MQ_RX_RSS, 121 .max_rx_pkt_len = ETHER_MAX_LEN, 122 .split_hdr_size = 0, 123 .ignore_offload_bitfield = 1, 124 .offloads = (DEV_RX_OFFLOAD_CRC_STRIP | 125 DEV_RX_OFFLOAD_CHECKSUM), 126 }, 127 .rx_adv_conf = { 128 .rss_conf = { 129 .rss_key = NULL, 130 .rss_hf = ETH_RSS_IP, 131 }, 132 }, 133 .txmode = { 134 .mq_mode = ETH_MQ_TX_NONE, 135 }, 136 }; 137 138 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS]; 139 140 struct l3fwd_lkp_mode { 141 void (*setup)(int); 142 int (*check_ptype)(int); 143 rte_rx_callback_fn cb_parse_ptype; 144 int (*main_loop)(void *); 145 void* (*get_ipv4_lookup_struct)(int); 146 void* (*get_ipv6_lookup_struct)(int); 147 }; 148 149 static struct l3fwd_lkp_mode l3fwd_lkp; 150 151 static struct l3fwd_lkp_mode l3fwd_em_lkp = { 152 .setup = setup_hash, 153 .check_ptype = em_check_ptype, 154 .cb_parse_ptype = em_cb_parse_ptype, 155 .main_loop = em_main_loop, 156 .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct, 157 .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct, 158 }; 159 160 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = { 161 .setup = setup_lpm, 162 .check_ptype = lpm_check_ptype, 163 .cb_parse_ptype = lpm_cb_parse_ptype, 164 .main_loop = lpm_main_loop, 165 .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct, 166 .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct, 167 }; 168 169 /* 170 * Setup lookup methods for forwarding. 171 * Currently exact-match and longest-prefix-match 172 * are supported ones. 173 */ 174 static void 175 setup_l3fwd_lookup_tables(void) 176 { 177 /* Setup HASH lookup functions. */ 178 if (l3fwd_em_on) 179 l3fwd_lkp = l3fwd_em_lkp; 180 /* Setup LPM lookup functions. */ 181 else 182 l3fwd_lkp = l3fwd_lpm_lkp; 183 } 184 185 static int 186 check_lcore_params(void) 187 { 188 uint8_t queue, lcore; 189 uint16_t i; 190 int socketid; 191 192 for (i = 0; i < nb_lcore_params; ++i) { 193 queue = lcore_params[i].queue_id; 194 if (queue >= MAX_RX_QUEUE_PER_PORT) { 195 printf("invalid queue number: %hhu\n", queue); 196 return -1; 197 } 198 lcore = lcore_params[i].lcore_id; 199 if (!rte_lcore_is_enabled(lcore)) { 200 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore); 201 return -1; 202 } 203 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) && 204 (numa_on == 0)) { 205 printf("warning: lcore %hhu is on socket %d with numa off \n", 206 lcore, socketid); 207 } 208 } 209 return 0; 210 } 211 212 static int 213 check_port_config(void) 214 { 215 uint16_t portid; 216 uint16_t i; 217 218 for (i = 0; i < nb_lcore_params; ++i) { 219 portid = lcore_params[i].port_id; 220 if ((enabled_port_mask & (1 << portid)) == 0) { 221 printf("port %u is not enabled in port mask\n", portid); 222 return -1; 223 } 224 if (!rte_eth_dev_is_valid_port(portid)) { 225 printf("port %u is not present on the board\n", portid); 226 return -1; 227 } 228 } 229 return 0; 230 } 231 232 static uint8_t 233 get_port_n_rx_queues(const uint16_t port) 234 { 235 int queue = -1; 236 uint16_t i; 237 238 for (i = 0; i < nb_lcore_params; ++i) { 239 if (lcore_params[i].port_id == port) { 240 if (lcore_params[i].queue_id == queue+1) 241 queue = lcore_params[i].queue_id; 242 else 243 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be" 244 " in sequence and must start with 0\n", 245 lcore_params[i].port_id); 246 } 247 } 248 return (uint8_t)(++queue); 249 } 250 251 static int 252 init_lcore_rx_queues(void) 253 { 254 uint16_t i, nb_rx_queue; 255 uint8_t lcore; 256 257 for (i = 0; i < nb_lcore_params; ++i) { 258 lcore = lcore_params[i].lcore_id; 259 nb_rx_queue = lcore_conf[lcore].n_rx_queue; 260 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 261 printf("error: too many queues (%u) for lcore: %u\n", 262 (unsigned)nb_rx_queue + 1, (unsigned)lcore); 263 return -1; 264 } else { 265 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = 266 lcore_params[i].port_id; 267 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = 268 lcore_params[i].queue_id; 269 lcore_conf[lcore].n_rx_queue++; 270 } 271 } 272 return 0; 273 } 274 275 /* display usage */ 276 static void 277 print_usage(const char *prgname) 278 { 279 fprintf(stderr, "%s [EAL options] --" 280 " -p PORTMASK" 281 " [-P]" 282 " [-E]" 283 " [-L]" 284 " --config (port,queue,lcore)[,(port,queue,lcore)]" 285 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]" 286 " [--enable-jumbo [--max-pkt-len PKTLEN]]" 287 " [--no-numa]" 288 " [--hash-entry-num]" 289 " [--ipv6]" 290 " [--parse-ptype]\n\n" 291 292 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n" 293 " -P : Enable promiscuous mode\n" 294 " -E : Enable exact match\n" 295 " -L : Enable longest prefix match (default)\n" 296 " --config (port,queue,lcore): Rx queue configuration\n" 297 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n" 298 " --enable-jumbo: Enable jumbo frames\n" 299 " --max-pkt-len: Under the premise of enabling jumbo,\n" 300 " maximum packet length in decimal (64-9600)\n" 301 " --no-numa: Disable numa awareness\n" 302 " --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n" 303 " --ipv6: Set if running ipv6 packets\n" 304 " --parse-ptype: Set to use software to analyze packet type\n\n", 305 prgname); 306 } 307 308 static int 309 parse_max_pkt_len(const char *pktlen) 310 { 311 char *end = NULL; 312 unsigned long len; 313 314 /* parse decimal string */ 315 len = strtoul(pktlen, &end, 10); 316 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 317 return -1; 318 319 if (len == 0) 320 return -1; 321 322 return len; 323 } 324 325 static int 326 parse_portmask(const char *portmask) 327 { 328 char *end = NULL; 329 unsigned long pm; 330 331 /* parse hexadecimal string */ 332 pm = strtoul(portmask, &end, 16); 333 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 334 return -1; 335 336 if (pm == 0) 337 return -1; 338 339 return pm; 340 } 341 342 static int 343 parse_hash_entry_number(const char *hash_entry_num) 344 { 345 char *end = NULL; 346 unsigned long hash_en; 347 /* parse hexadecimal string */ 348 hash_en = strtoul(hash_entry_num, &end, 16); 349 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0')) 350 return -1; 351 352 if (hash_en == 0) 353 return -1; 354 355 return hash_en; 356 } 357 358 static int 359 parse_config(const char *q_arg) 360 { 361 char s[256]; 362 const char *p, *p0 = q_arg; 363 char *end; 364 enum fieldnames { 365 FLD_PORT = 0, 366 FLD_QUEUE, 367 FLD_LCORE, 368 _NUM_FLD 369 }; 370 unsigned long int_fld[_NUM_FLD]; 371 char *str_fld[_NUM_FLD]; 372 int i; 373 unsigned size; 374 375 nb_lcore_params = 0; 376 377 while ((p = strchr(p0,'(')) != NULL) { 378 ++p; 379 if((p0 = strchr(p,')')) == NULL) 380 return -1; 381 382 size = p0 - p; 383 if(size >= sizeof(s)) 384 return -1; 385 386 snprintf(s, sizeof(s), "%.*s", size, p); 387 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 388 return -1; 389 for (i = 0; i < _NUM_FLD; i++){ 390 errno = 0; 391 int_fld[i] = strtoul(str_fld[i], &end, 0); 392 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 393 return -1; 394 } 395 if (nb_lcore_params >= MAX_LCORE_PARAMS) { 396 printf("exceeded max number of lcore params: %hu\n", 397 nb_lcore_params); 398 return -1; 399 } 400 lcore_params_array[nb_lcore_params].port_id = 401 (uint8_t)int_fld[FLD_PORT]; 402 lcore_params_array[nb_lcore_params].queue_id = 403 (uint8_t)int_fld[FLD_QUEUE]; 404 lcore_params_array[nb_lcore_params].lcore_id = 405 (uint8_t)int_fld[FLD_LCORE]; 406 ++nb_lcore_params; 407 } 408 lcore_params = lcore_params_array; 409 return 0; 410 } 411 412 static void 413 parse_eth_dest(const char *optarg) 414 { 415 uint16_t portid; 416 char *port_end; 417 uint8_t c, *dest, peer_addr[6]; 418 419 errno = 0; 420 portid = strtoul(optarg, &port_end, 10); 421 if (errno != 0 || port_end == optarg || *port_end++ != ',') 422 rte_exit(EXIT_FAILURE, 423 "Invalid eth-dest: %s", optarg); 424 if (portid >= RTE_MAX_ETHPORTS) 425 rte_exit(EXIT_FAILURE, 426 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", 427 portid, RTE_MAX_ETHPORTS); 428 429 if (cmdline_parse_etheraddr(NULL, port_end, 430 &peer_addr, sizeof(peer_addr)) < 0) 431 rte_exit(EXIT_FAILURE, 432 "Invalid ethernet address: %s\n", 433 port_end); 434 dest = (uint8_t *)&dest_eth_addr[portid]; 435 for (c = 0; c < 6; c++) 436 dest[c] = peer_addr[c]; 437 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 438 } 439 440 #define MAX_JUMBO_PKT_LEN 9600 441 #define MEMPOOL_CACHE_SIZE 256 442 443 static const char short_options[] = 444 "p:" /* portmask */ 445 "P" /* promiscuous */ 446 "L" /* enable long prefix match */ 447 "E" /* enable exact match */ 448 ; 449 450 #define CMD_LINE_OPT_CONFIG "config" 451 #define CMD_LINE_OPT_ETH_DEST "eth-dest" 452 #define CMD_LINE_OPT_NO_NUMA "no-numa" 453 #define CMD_LINE_OPT_IPV6 "ipv6" 454 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" 455 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" 456 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" 457 enum { 458 /* long options mapped to a short option */ 459 460 /* first long only option value must be >= 256, so that we won't 461 * conflict with short options */ 462 CMD_LINE_OPT_MIN_NUM = 256, 463 CMD_LINE_OPT_CONFIG_NUM, 464 CMD_LINE_OPT_ETH_DEST_NUM, 465 CMD_LINE_OPT_NO_NUMA_NUM, 466 CMD_LINE_OPT_IPV6_NUM, 467 CMD_LINE_OPT_ENABLE_JUMBO_NUM, 468 CMD_LINE_OPT_HASH_ENTRY_NUM_NUM, 469 CMD_LINE_OPT_PARSE_PTYPE_NUM, 470 }; 471 472 static const struct option lgopts[] = { 473 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM}, 474 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM}, 475 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM}, 476 {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM}, 477 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM}, 478 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM}, 479 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM}, 480 {NULL, 0, 0, 0} 481 }; 482 483 /* 484 * This expression is used to calculate the number of mbufs needed 485 * depending on user input, taking into account memory for rx and 486 * tx hardware rings, cache per lcore and mtable per port per lcore. 487 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum 488 * value of 8192 489 */ 490 #define NB_MBUF RTE_MAX( \ 491 (nb_ports*nb_rx_queue*nb_rxd + \ 492 nb_ports*nb_lcores*MAX_PKT_BURST + \ 493 nb_ports*n_tx_queue*nb_txd + \ 494 nb_lcores*MEMPOOL_CACHE_SIZE), \ 495 (unsigned)8192) 496 497 /* Parse the argument given in the command line of the application */ 498 static int 499 parse_args(int argc, char **argv) 500 { 501 int opt, ret; 502 char **argvopt; 503 int option_index; 504 char *prgname = argv[0]; 505 506 argvopt = argv; 507 508 /* Error or normal output strings. */ 509 while ((opt = getopt_long(argc, argvopt, short_options, 510 lgopts, &option_index)) != EOF) { 511 512 switch (opt) { 513 /* portmask */ 514 case 'p': 515 enabled_port_mask = parse_portmask(optarg); 516 if (enabled_port_mask == 0) { 517 fprintf(stderr, "Invalid portmask\n"); 518 print_usage(prgname); 519 return -1; 520 } 521 break; 522 523 case 'P': 524 promiscuous_on = 1; 525 break; 526 527 case 'E': 528 l3fwd_em_on = 1; 529 break; 530 531 case 'L': 532 l3fwd_lpm_on = 1; 533 break; 534 535 /* long options */ 536 case CMD_LINE_OPT_CONFIG_NUM: 537 ret = parse_config(optarg); 538 if (ret) { 539 fprintf(stderr, "Invalid config\n"); 540 print_usage(prgname); 541 return -1; 542 } 543 break; 544 545 case CMD_LINE_OPT_ETH_DEST_NUM: 546 parse_eth_dest(optarg); 547 break; 548 549 case CMD_LINE_OPT_NO_NUMA_NUM: 550 numa_on = 0; 551 break; 552 553 case CMD_LINE_OPT_IPV6_NUM: 554 ipv6 = 1; 555 break; 556 557 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: { 558 const struct option lenopts = { 559 "max-pkt-len", required_argument, 0, 0 560 }; 561 562 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 563 port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS; 564 565 /* 566 * if no max-pkt-len set, use the default 567 * value ETHER_MAX_LEN. 568 */ 569 if (getopt_long(argc, argvopt, "", 570 &lenopts, &option_index) == 0) { 571 ret = parse_max_pkt_len(optarg); 572 if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) { 573 fprintf(stderr, 574 "invalid maximum packet length\n"); 575 print_usage(prgname); 576 return -1; 577 } 578 port_conf.rxmode.max_rx_pkt_len = ret; 579 } 580 break; 581 } 582 583 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM: 584 ret = parse_hash_entry_number(optarg); 585 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { 586 hash_entry_number = ret; 587 } else { 588 fprintf(stderr, "invalid hash entry number\n"); 589 print_usage(prgname); 590 return -1; 591 } 592 break; 593 594 case CMD_LINE_OPT_PARSE_PTYPE_NUM: 595 printf("soft parse-ptype is enabled\n"); 596 parse_ptype = 1; 597 break; 598 599 default: 600 print_usage(prgname); 601 return -1; 602 } 603 } 604 605 /* If both LPM and EM are selected, return error. */ 606 if (l3fwd_lpm_on && l3fwd_em_on) { 607 fprintf(stderr, "LPM and EM are mutually exclusive, select only one\n"); 608 return -1; 609 } 610 611 /* 612 * Nothing is selected, pick longest-prefix match 613 * as default match. 614 */ 615 if (!l3fwd_lpm_on && !l3fwd_em_on) { 616 fprintf(stderr, "LPM or EM none selected, default LPM on\n"); 617 l3fwd_lpm_on = 1; 618 } 619 620 /* 621 * ipv6 and hash flags are valid only for 622 * exact macth, reset them to default for 623 * longest-prefix match. 624 */ 625 if (l3fwd_lpm_on) { 626 ipv6 = 0; 627 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 628 } 629 630 if (optind >= 0) 631 argv[optind-1] = prgname; 632 633 ret = optind-1; 634 optind = 1; /* reset getopt lib */ 635 return ret; 636 } 637 638 static void 639 print_ethaddr(const char *name, const struct ether_addr *eth_addr) 640 { 641 char buf[ETHER_ADDR_FMT_SIZE]; 642 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 643 printf("%s%s", name, buf); 644 } 645 646 static int 647 init_mem(unsigned nb_mbuf) 648 { 649 struct lcore_conf *qconf; 650 int socketid; 651 unsigned lcore_id; 652 char s[64]; 653 654 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 655 if (rte_lcore_is_enabled(lcore_id) == 0) 656 continue; 657 658 if (numa_on) 659 socketid = rte_lcore_to_socket_id(lcore_id); 660 else 661 socketid = 0; 662 663 if (socketid >= NB_SOCKETS) { 664 rte_exit(EXIT_FAILURE, 665 "Socket %d of lcore %u is out of range %d\n", 666 socketid, lcore_id, NB_SOCKETS); 667 } 668 669 if (pktmbuf_pool[socketid] == NULL) { 670 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 671 pktmbuf_pool[socketid] = 672 rte_pktmbuf_pool_create(s, nb_mbuf, 673 MEMPOOL_CACHE_SIZE, 0, 674 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 675 if (pktmbuf_pool[socketid] == NULL) 676 rte_exit(EXIT_FAILURE, 677 "Cannot init mbuf pool on socket %d\n", 678 socketid); 679 else 680 printf("Allocated mbuf pool on socket %d\n", 681 socketid); 682 683 /* Setup either LPM or EM(f.e Hash). */ 684 l3fwd_lkp.setup(socketid); 685 } 686 qconf = &lcore_conf[lcore_id]; 687 qconf->ipv4_lookup_struct = 688 l3fwd_lkp.get_ipv4_lookup_struct(socketid); 689 qconf->ipv6_lookup_struct = 690 l3fwd_lkp.get_ipv6_lookup_struct(socketid); 691 } 692 return 0; 693 } 694 695 /* Check the link status of all ports in up to 9s, and print them finally */ 696 static void 697 check_all_ports_link_status(uint32_t port_mask) 698 { 699 #define CHECK_INTERVAL 100 /* 100ms */ 700 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 701 uint16_t portid; 702 uint8_t count, all_ports_up, print_flag = 0; 703 struct rte_eth_link link; 704 705 printf("\nChecking link status"); 706 fflush(stdout); 707 for (count = 0; count <= MAX_CHECK_TIME; count++) { 708 if (force_quit) 709 return; 710 all_ports_up = 1; 711 RTE_ETH_FOREACH_DEV(portid) { 712 if (force_quit) 713 return; 714 if ((port_mask & (1 << portid)) == 0) 715 continue; 716 memset(&link, 0, sizeof(link)); 717 rte_eth_link_get_nowait(portid, &link); 718 /* print link status if flag set */ 719 if (print_flag == 1) { 720 if (link.link_status) 721 printf( 722 "Port%d Link Up. Speed %u Mbps -%s\n", 723 portid, link.link_speed, 724 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 725 ("full-duplex") : ("half-duplex\n")); 726 else 727 printf("Port %d Link Down\n", portid); 728 continue; 729 } 730 /* clear all_ports_up flag if any link down */ 731 if (link.link_status == ETH_LINK_DOWN) { 732 all_ports_up = 0; 733 break; 734 } 735 } 736 /* after finally printing all link status, get out */ 737 if (print_flag == 1) 738 break; 739 740 if (all_ports_up == 0) { 741 printf("."); 742 fflush(stdout); 743 rte_delay_ms(CHECK_INTERVAL); 744 } 745 746 /* set the print_flag if all ports up or timeout */ 747 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 748 print_flag = 1; 749 printf("done\n"); 750 } 751 } 752 } 753 754 static void 755 signal_handler(int signum) 756 { 757 if (signum == SIGINT || signum == SIGTERM) { 758 printf("\n\nSignal %d received, preparing to exit...\n", 759 signum); 760 force_quit = true; 761 } 762 } 763 764 static int 765 prepare_ptype_parser(uint16_t portid, uint16_t queueid) 766 { 767 if (parse_ptype) { 768 printf("Port %d: softly parse packet type info\n", portid); 769 if (rte_eth_add_rx_callback(portid, queueid, 770 l3fwd_lkp.cb_parse_ptype, 771 NULL)) 772 return 1; 773 774 printf("Failed to add rx callback: port=%d\n", portid); 775 return 0; 776 } 777 778 if (l3fwd_lkp.check_ptype(portid)) 779 return 1; 780 781 printf("port %d cannot parse packet type, please add --%s\n", 782 portid, CMD_LINE_OPT_PARSE_PTYPE); 783 return 0; 784 } 785 786 int 787 main(int argc, char **argv) 788 { 789 struct lcore_conf *qconf; 790 struct rte_eth_dev_info dev_info; 791 struct rte_eth_txconf *txconf; 792 int ret; 793 unsigned nb_ports; 794 uint16_t queueid, portid; 795 unsigned lcore_id; 796 uint32_t n_tx_queue, nb_lcores; 797 uint8_t nb_rx_queue, queue, socketid; 798 799 /* init EAL */ 800 ret = rte_eal_init(argc, argv); 801 if (ret < 0) 802 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 803 argc -= ret; 804 argv += ret; 805 806 force_quit = false; 807 signal(SIGINT, signal_handler); 808 signal(SIGTERM, signal_handler); 809 810 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */ 811 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 812 dest_eth_addr[portid] = 813 ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40); 814 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 815 } 816 817 /* parse application arguments (after the EAL ones) */ 818 ret = parse_args(argc, argv); 819 if (ret < 0) 820 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 821 822 if (check_lcore_params() < 0) 823 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 824 825 ret = init_lcore_rx_queues(); 826 if (ret < 0) 827 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); 828 829 nb_ports = rte_eth_dev_count_avail(); 830 831 if (check_port_config() < 0) 832 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 833 834 nb_lcores = rte_lcore_count(); 835 836 /* Setup function pointers for lookup method. */ 837 setup_l3fwd_lookup_tables(); 838 839 /* initialize all ports */ 840 RTE_ETH_FOREACH_DEV(portid) { 841 struct rte_eth_conf local_port_conf = port_conf; 842 843 /* skip ports that are not enabled */ 844 if ((enabled_port_mask & (1 << portid)) == 0) { 845 printf("\nSkipping disabled port %d\n", portid); 846 continue; 847 } 848 849 /* init port */ 850 printf("Initializing port %d ... ", portid ); 851 fflush(stdout); 852 853 nb_rx_queue = get_port_n_rx_queues(portid); 854 n_tx_queue = nb_lcores; 855 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 856 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 857 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 858 nb_rx_queue, (unsigned)n_tx_queue ); 859 860 rte_eth_dev_info_get(portid, &dev_info); 861 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 862 local_port_conf.txmode.offloads |= 863 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 864 ret = rte_eth_dev_configure(portid, nb_rx_queue, 865 (uint16_t)n_tx_queue, &local_port_conf); 866 if (ret < 0) 867 rte_exit(EXIT_FAILURE, 868 "Cannot configure device: err=%d, port=%d\n", 869 ret, portid); 870 871 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 872 &nb_txd); 873 if (ret < 0) 874 rte_exit(EXIT_FAILURE, 875 "Cannot adjust number of descriptors: err=%d, " 876 "port=%d\n", ret, portid); 877 878 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 879 print_ethaddr(" Address:", &ports_eth_addr[portid]); 880 printf(", "); 881 print_ethaddr("Destination:", 882 (const struct ether_addr *)&dest_eth_addr[portid]); 883 printf(", "); 884 885 /* 886 * prepare src MACs for each port. 887 */ 888 ether_addr_copy(&ports_eth_addr[portid], 889 (struct ether_addr *)(val_eth + portid) + 1); 890 891 /* init memory */ 892 ret = init_mem(NB_MBUF); 893 if (ret < 0) 894 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 895 896 /* init one TX queue per couple (lcore,port) */ 897 queueid = 0; 898 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 899 if (rte_lcore_is_enabled(lcore_id) == 0) 900 continue; 901 902 if (numa_on) 903 socketid = 904 (uint8_t)rte_lcore_to_socket_id(lcore_id); 905 else 906 socketid = 0; 907 908 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 909 fflush(stdout); 910 911 txconf = &dev_info.default_txconf; 912 txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE; 913 txconf->offloads = local_port_conf.txmode.offloads; 914 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 915 socketid, txconf); 916 if (ret < 0) 917 rte_exit(EXIT_FAILURE, 918 "rte_eth_tx_queue_setup: err=%d, " 919 "port=%d\n", ret, portid); 920 921 qconf = &lcore_conf[lcore_id]; 922 qconf->tx_queue_id[portid] = queueid; 923 queueid++; 924 925 qconf->tx_port_id[qconf->n_tx_port] = portid; 926 qconf->n_tx_port++; 927 } 928 printf("\n"); 929 } 930 931 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 932 if (rte_lcore_is_enabled(lcore_id) == 0) 933 continue; 934 qconf = &lcore_conf[lcore_id]; 935 printf("\nInitializing rx queues on lcore %u ... ", lcore_id ); 936 fflush(stdout); 937 /* init RX queues */ 938 for(queue = 0; queue < qconf->n_rx_queue; ++queue) { 939 struct rte_eth_dev *dev; 940 struct rte_eth_conf *conf; 941 struct rte_eth_rxconf rxq_conf; 942 943 portid = qconf->rx_queue_list[queue].port_id; 944 queueid = qconf->rx_queue_list[queue].queue_id; 945 dev = &rte_eth_devices[portid]; 946 conf = &dev->data->dev_conf; 947 948 if (numa_on) 949 socketid = 950 (uint8_t)rte_lcore_to_socket_id(lcore_id); 951 else 952 socketid = 0; 953 954 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 955 fflush(stdout); 956 957 rte_eth_dev_info_get(portid, &dev_info); 958 rxq_conf = dev_info.default_rxconf; 959 rxq_conf.offloads = conf->rxmode.offloads; 960 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 961 socketid, 962 &rxq_conf, 963 pktmbuf_pool[socketid]); 964 if (ret < 0) 965 rte_exit(EXIT_FAILURE, 966 "rte_eth_rx_queue_setup: err=%d, port=%d\n", 967 ret, portid); 968 } 969 } 970 971 printf("\n"); 972 973 /* start ports */ 974 RTE_ETH_FOREACH_DEV(portid) { 975 if ((enabled_port_mask & (1 << portid)) == 0) { 976 continue; 977 } 978 /* Start device */ 979 ret = rte_eth_dev_start(portid); 980 if (ret < 0) 981 rte_exit(EXIT_FAILURE, 982 "rte_eth_dev_start: err=%d, port=%d\n", 983 ret, portid); 984 985 /* 986 * If enabled, put device in promiscuous mode. 987 * This allows IO forwarding mode to forward packets 988 * to itself through 2 cross-connected ports of the 989 * target machine. 990 */ 991 if (promiscuous_on) 992 rte_eth_promiscuous_enable(portid); 993 } 994 995 printf("\n"); 996 997 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 998 if (rte_lcore_is_enabled(lcore_id) == 0) 999 continue; 1000 qconf = &lcore_conf[lcore_id]; 1001 for (queue = 0; queue < qconf->n_rx_queue; ++queue) { 1002 portid = qconf->rx_queue_list[queue].port_id; 1003 queueid = qconf->rx_queue_list[queue].queue_id; 1004 if (prepare_ptype_parser(portid, queueid) == 0) 1005 rte_exit(EXIT_FAILURE, "ptype check fails\n"); 1006 } 1007 } 1008 1009 1010 check_all_ports_link_status(enabled_port_mask); 1011 1012 ret = 0; 1013 /* launch per-lcore init on every lcore */ 1014 rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER); 1015 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1016 if (rte_eal_wait_lcore(lcore_id) < 0) { 1017 ret = -1; 1018 break; 1019 } 1020 } 1021 1022 /* stop ports */ 1023 RTE_ETH_FOREACH_DEV(portid) { 1024 if ((enabled_port_mask & (1 << portid)) == 0) 1025 continue; 1026 printf("Closing port %d...", portid); 1027 rte_eth_dev_stop(portid); 1028 rte_eth_dev_close(portid); 1029 printf(" Done\n"); 1030 } 1031 printf("Bye...\n"); 1032 1033 return ret; 1034 } 1035