1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(C) 2020 Marvell International Ltd. 3 */ 4 5 #include <arpa/inet.h> 6 #include <errno.h> 7 #include <getopt.h> 8 #include <inttypes.h> 9 #include <signal.h> 10 #include <stdarg.h> 11 #include <stdbool.h> 12 #include <stdint.h> 13 #include <stdio.h> 14 #include <stdlib.h> 15 #include <string.h> 16 #include <sys/socket.h> 17 #include <sys/types.h> 18 #include <sys/queue.h> 19 #include <unistd.h> 20 21 #include <rte_branch_prediction.h> 22 #include <rte_common.h> 23 #include <rte_cycles.h> 24 #include <rte_eal.h> 25 #include <rte_ethdev.h> 26 #include <rte_graph_worker.h> 27 #include <rte_launch.h> 28 #include <rte_lcore.h> 29 #include <rte_log.h> 30 #include <rte_mempool.h> 31 #include <rte_node_eth_api.h> 32 #include <rte_node_ip4_api.h> 33 #include <rte_per_lcore.h> 34 #include <rte_string_fns.h> 35 #include <rte_vect.h> 36 37 #include <cmdline_parse.h> 38 #include <cmdline_parse_etheraddr.h> 39 40 /* Log type */ 41 #define RTE_LOGTYPE_L3FWD_GRAPH RTE_LOGTYPE_USER1 42 43 /* 44 * Configurable number of RX/TX ring descriptors 45 */ 46 #define RTE_TEST_RX_DESC_DEFAULT 1024 47 #define RTE_TEST_TX_DESC_DEFAULT 1024 48 49 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 50 #define MAX_RX_QUEUE_PER_PORT 128 51 52 #define MAX_RX_QUEUE_PER_LCORE 16 53 54 #define MAX_LCORE_PARAMS 1024 55 56 #define NB_SOCKETS 8 57 58 /* Static global variables used within this file. */ 59 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 60 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 61 62 /**< Ports set in promiscuous mode off by default. */ 63 static int promiscuous_on; 64 65 static int numa_on = 1; /**< NUMA is enabled by default. */ 66 static int per_port_pool; /**< Use separate buffer pools per port; disabled */ 67 /**< by default */ 68 69 static volatile bool force_quit; 70 71 /* Ethernet addresses of ports */ 72 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; 73 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 74 xmm_t val_eth[RTE_MAX_ETHPORTS]; 75 76 /* Mask of enabled ports */ 77 static uint32_t enabled_port_mask; 78 79 struct lcore_rx_queue { 80 uint16_t port_id; 81 uint8_t queue_id; 82 char node_name[RTE_NODE_NAMESIZE]; 83 }; 84 85 /* Lcore conf */ 86 struct lcore_conf { 87 uint16_t n_rx_queue; 88 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; 89 90 struct rte_graph *graph; 91 char name[RTE_GRAPH_NAMESIZE]; 92 rte_graph_t graph_id; 93 } __rte_cache_aligned; 94 95 static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 96 97 struct lcore_params { 98 uint16_t port_id; 99 uint8_t queue_id; 100 uint8_t lcore_id; 101 } __rte_cache_aligned; 102 103 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; 104 static struct lcore_params lcore_params_array_default[] = { 105 {0, 0, 2}, {0, 1, 2}, {0, 2, 2}, {1, 0, 2}, {1, 1, 2}, 106 {1, 2, 2}, {2, 0, 2}, {3, 0, 3}, {3, 1, 3}, 107 }; 108 109 static struct lcore_params *lcore_params = lcore_params_array_default; 110 static uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default); 111 112 static struct rte_eth_conf port_conf = { 113 .rxmode = { 114 .mq_mode = ETH_MQ_RX_RSS, 115 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 116 .split_hdr_size = 0, 117 }, 118 .rx_adv_conf = { 119 .rss_conf = { 120 .rss_key = NULL, 121 .rss_hf = ETH_RSS_IP, 122 }, 123 }, 124 .txmode = { 125 .mq_mode = ETH_MQ_TX_NONE, 126 }, 127 }; 128 129 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS]; 130 131 static struct rte_node_ethdev_config ethdev_conf[RTE_MAX_ETHPORTS]; 132 133 struct ipv4_l3fwd_lpm_route { 134 uint32_t ip; 135 uint8_t depth; 136 uint8_t if_out; 137 }; 138 139 #define IPV4_L3FWD_LPM_NUM_ROUTES \ 140 (sizeof(ipv4_l3fwd_lpm_route_array) / \ 141 sizeof(ipv4_l3fwd_lpm_route_array[0])) 142 /* 198.18.0.0/16 are set aside for RFC2544 benchmarking. */ 143 static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = { 144 {RTE_IPV4(198, 18, 0, 0), 24, 0}, {RTE_IPV4(198, 18, 1, 0), 24, 1}, 145 {RTE_IPV4(198, 18, 2, 0), 24, 2}, {RTE_IPV4(198, 18, 3, 0), 24, 3}, 146 {RTE_IPV4(198, 18, 4, 0), 24, 4}, {RTE_IPV4(198, 18, 5, 0), 24, 5}, 147 {RTE_IPV4(198, 18, 6, 0), 24, 6}, {RTE_IPV4(198, 18, 7, 0), 24, 7}, 148 }; 149 150 static int 151 check_lcore_params(void) 152 { 153 uint8_t queue, lcore; 154 int socketid; 155 uint16_t i; 156 157 for (i = 0; i < nb_lcore_params; ++i) { 158 queue = lcore_params[i].queue_id; 159 if (queue >= MAX_RX_QUEUE_PER_PORT) { 160 printf("Invalid queue number: %hhu\n", queue); 161 return -1; 162 } 163 lcore = lcore_params[i].lcore_id; 164 if (!rte_lcore_is_enabled(lcore)) { 165 printf("Error: lcore %hhu is not enabled in lcore mask\n", 166 lcore); 167 return -1; 168 } 169 170 if (lcore == rte_get_main_lcore()) { 171 printf("Error: lcore %u is main lcore\n", lcore); 172 return -1; 173 } 174 socketid = rte_lcore_to_socket_id(lcore); 175 if ((socketid != 0) && (numa_on == 0)) { 176 printf("Warning: lcore %hhu is on socket %d with numa off\n", 177 lcore, socketid); 178 } 179 } 180 181 return 0; 182 } 183 184 static int 185 check_port_config(void) 186 { 187 uint16_t portid; 188 uint16_t i; 189 190 for (i = 0; i < nb_lcore_params; ++i) { 191 portid = lcore_params[i].port_id; 192 if ((enabled_port_mask & (1 << portid)) == 0) { 193 printf("Port %u is not enabled in port mask\n", portid); 194 return -1; 195 } 196 if (!rte_eth_dev_is_valid_port(portid)) { 197 printf("Port %u is not present on the board\n", portid); 198 return -1; 199 } 200 } 201 202 return 0; 203 } 204 205 static uint8_t 206 get_port_n_rx_queues(const uint16_t port) 207 { 208 int queue = -1; 209 uint16_t i; 210 211 for (i = 0; i < nb_lcore_params; ++i) { 212 if (lcore_params[i].port_id == port) { 213 if (lcore_params[i].queue_id == queue + 1) 214 queue = lcore_params[i].queue_id; 215 else 216 rte_exit(EXIT_FAILURE, 217 "Queue ids of the port %d must be" 218 " in sequence and must start with 0\n", 219 lcore_params[i].port_id); 220 } 221 } 222 223 return (uint8_t)(++queue); 224 } 225 226 static int 227 init_lcore_rx_queues(void) 228 { 229 uint16_t i, nb_rx_queue; 230 uint8_t lcore; 231 232 for (i = 0; i < nb_lcore_params; ++i) { 233 lcore = lcore_params[i].lcore_id; 234 nb_rx_queue = lcore_conf[lcore].n_rx_queue; 235 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 236 printf("Error: too many queues (%u) for lcore: %u\n", 237 (unsigned int)nb_rx_queue + 1, 238 (unsigned int)lcore); 239 return -1; 240 } 241 242 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = 243 lcore_params[i].port_id; 244 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = 245 lcore_params[i].queue_id; 246 lcore_conf[lcore].n_rx_queue++; 247 } 248 249 return 0; 250 } 251 252 /* Display usage */ 253 static void 254 print_usage(const char *prgname) 255 { 256 fprintf(stderr, 257 "%s [EAL options] --" 258 " -p PORTMASK" 259 " [-P]" 260 " --config (port,queue,lcore)[,(port,queue,lcore)]" 261 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]" 262 " [--enable-jumbo [--max-pkt-len PKTLEN]]" 263 " [--no-numa]" 264 " [--per-port-pool]\n\n" 265 266 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n" 267 " -P : Enable promiscuous mode\n" 268 " --config (port,queue,lcore): Rx queue configuration\n" 269 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for " 270 "port X\n" 271 " --enable-jumbo: Enable jumbo frames\n" 272 " --max-pkt-len: Under the premise of enabling jumbo,\n" 273 " maximum packet length in decimal (64-9600)\n" 274 " --no-numa: Disable numa awareness\n" 275 " --per-port-pool: Use separate buffer pool per port\n\n", 276 prgname); 277 } 278 279 static int 280 parse_max_pkt_len(const char *pktlen) 281 { 282 unsigned long len; 283 char *end = NULL; 284 285 /* Parse decimal string */ 286 len = strtoul(pktlen, &end, 10); 287 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 288 return -1; 289 290 if (len == 0) 291 return -1; 292 293 return len; 294 } 295 296 static int 297 parse_portmask(const char *portmask) 298 { 299 char *end = NULL; 300 unsigned long pm; 301 302 /* Parse hexadecimal string */ 303 pm = strtoul(portmask, &end, 16); 304 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 305 return 0; 306 307 return pm; 308 } 309 310 static int 311 parse_config(const char *q_arg) 312 { 313 enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD }; 314 unsigned long int_fld[_NUM_FLD]; 315 const char *p, *p0 = q_arg; 316 char *str_fld[_NUM_FLD]; 317 uint32_t size; 318 char s[256]; 319 char *end; 320 int i; 321 322 nb_lcore_params = 0; 323 324 while ((p = strchr(p0, '(')) != NULL) { 325 ++p; 326 p0 = strchr(p, ')'); 327 if (p0 == NULL) 328 return -1; 329 330 size = p0 - p; 331 if (size >= sizeof(s)) 332 return -1; 333 334 memcpy(s, p, size); 335 s[size] = '\0'; 336 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != 337 _NUM_FLD) 338 return -1; 339 for (i = 0; i < _NUM_FLD; i++) { 340 errno = 0; 341 int_fld[i] = strtoul(str_fld[i], &end, 0); 342 if (errno != 0 || end == str_fld[i]) 343 return -1; 344 } 345 346 if (nb_lcore_params >= MAX_LCORE_PARAMS) { 347 printf("Exceeded max number of lcore params: %hu\n", 348 nb_lcore_params); 349 return -1; 350 } 351 352 if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS || 353 int_fld[FLD_LCORE] >= RTE_MAX_LCORE) { 354 printf("Invalid port/lcore id\n"); 355 return -1; 356 } 357 358 lcore_params_array[nb_lcore_params].port_id = 359 (uint8_t)int_fld[FLD_PORT]; 360 lcore_params_array[nb_lcore_params].queue_id = 361 (uint8_t)int_fld[FLD_QUEUE]; 362 lcore_params_array[nb_lcore_params].lcore_id = 363 (uint8_t)int_fld[FLD_LCORE]; 364 ++nb_lcore_params; 365 } 366 lcore_params = lcore_params_array; 367 368 return 0; 369 } 370 371 static void 372 parse_eth_dest(const char *optarg) 373 { 374 uint8_t c, *dest, peer_addr[6]; 375 uint16_t portid; 376 char *port_end; 377 378 errno = 0; 379 portid = strtoul(optarg, &port_end, 10); 380 if (errno != 0 || port_end == optarg || *port_end++ != ',') 381 rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg); 382 if (portid >= RTE_MAX_ETHPORTS) 383 rte_exit(EXIT_FAILURE, 384 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid, 385 RTE_MAX_ETHPORTS); 386 387 if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr, 388 sizeof(peer_addr)) < 0) 389 rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n", 390 port_end); 391 dest = (uint8_t *)&dest_eth_addr[portid]; 392 for (c = 0; c < 6; c++) 393 dest[c] = peer_addr[c]; 394 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 395 } 396 397 #define MAX_JUMBO_PKT_LEN 9600 398 #define MEMPOOL_CACHE_SIZE 256 399 400 static const char short_options[] = "p:" /* portmask */ 401 "P" /* promiscuous */ 402 ; 403 404 #define CMD_LINE_OPT_CONFIG "config" 405 #define CMD_LINE_OPT_ETH_DEST "eth-dest" 406 #define CMD_LINE_OPT_NO_NUMA "no-numa" 407 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" 408 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool" 409 enum { 410 /* Long options mapped to a short option */ 411 412 /* First long only option value must be >= 256, so that we won't 413 * conflict with short options 414 */ 415 CMD_LINE_OPT_MIN_NUM = 256, 416 CMD_LINE_OPT_CONFIG_NUM, 417 CMD_LINE_OPT_ETH_DEST_NUM, 418 CMD_LINE_OPT_NO_NUMA_NUM, 419 CMD_LINE_OPT_ENABLE_JUMBO_NUM, 420 CMD_LINE_OPT_PARSE_PER_PORT_POOL, 421 }; 422 423 static const struct option lgopts[] = { 424 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM}, 425 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM}, 426 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM}, 427 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM}, 428 {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL}, 429 {NULL, 0, 0, 0}, 430 }; 431 432 /* 433 * This expression is used to calculate the number of mbufs needed 434 * depending on user input, taking into account memory for rx and 435 * tx hardware rings, cache per lcore and mtable per port per lcore. 436 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum 437 * value of 8192 438 */ 439 #define NB_MBUF(nports) \ 440 RTE_MAX((nports * nb_rx_queue * nb_rxd + \ 441 nports * nb_lcores * RTE_GRAPH_BURST_SIZE + \ 442 nports * n_tx_queue * nb_txd + \ 443 nb_lcores * MEMPOOL_CACHE_SIZE), 8192u) 444 445 /* Parse the argument given in the command line of the application */ 446 static int 447 parse_args(int argc, char **argv) 448 { 449 char *prgname = argv[0]; 450 int option_index; 451 char **argvopt; 452 int opt, ret; 453 454 argvopt = argv; 455 456 /* Error or normal output strings. */ 457 while ((opt = getopt_long(argc, argvopt, short_options, lgopts, 458 &option_index)) != EOF) { 459 460 switch (opt) { 461 /* Portmask */ 462 case 'p': 463 enabled_port_mask = parse_portmask(optarg); 464 if (enabled_port_mask == 0) { 465 fprintf(stderr, "Invalid portmask\n"); 466 print_usage(prgname); 467 return -1; 468 } 469 break; 470 471 case 'P': 472 promiscuous_on = 1; 473 break; 474 475 /* Long options */ 476 case CMD_LINE_OPT_CONFIG_NUM: 477 ret = parse_config(optarg); 478 if (ret) { 479 fprintf(stderr, "Invalid config\n"); 480 print_usage(prgname); 481 return -1; 482 } 483 break; 484 485 case CMD_LINE_OPT_ETH_DEST_NUM: 486 parse_eth_dest(optarg); 487 break; 488 489 case CMD_LINE_OPT_NO_NUMA_NUM: 490 numa_on = 0; 491 break; 492 493 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: { 494 const struct option lenopts = {"max-pkt-len", 495 required_argument, 0, 0}; 496 497 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 498 port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS; 499 500 /* 501 * if no max-pkt-len set, use the default 502 * value RTE_ETHER_MAX_LEN. 503 */ 504 if (getopt_long(argc, argvopt, "", &lenopts, 505 &option_index) == 0) { 506 ret = parse_max_pkt_len(optarg); 507 if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) { 508 fprintf(stderr, "Invalid maximum " 509 "packet length\n"); 510 print_usage(prgname); 511 return -1; 512 } 513 port_conf.rxmode.max_rx_pkt_len = ret; 514 } 515 break; 516 } 517 518 case CMD_LINE_OPT_PARSE_PER_PORT_POOL: 519 printf("Per port buffer pool is enabled\n"); 520 per_port_pool = 1; 521 break; 522 523 default: 524 print_usage(prgname); 525 return -1; 526 } 527 } 528 529 if (optind >= 0) 530 argv[optind - 1] = prgname; 531 ret = optind - 1; 532 optind = 1; /* Reset getopt lib */ 533 534 return ret; 535 } 536 537 static void 538 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 539 { 540 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 541 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 542 printf("%s%s", name, buf); 543 } 544 545 static int 546 init_mem(uint16_t portid, uint32_t nb_mbuf) 547 { 548 uint32_t lcore_id; 549 int socketid; 550 char s[64]; 551 552 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 553 if (rte_lcore_is_enabled(lcore_id) == 0) 554 continue; 555 556 if (numa_on) 557 socketid = rte_lcore_to_socket_id(lcore_id); 558 else 559 socketid = 0; 560 561 if (socketid >= NB_SOCKETS) { 562 rte_exit(EXIT_FAILURE, 563 "Socket %d of lcore %u is out of range %d\n", 564 socketid, lcore_id, NB_SOCKETS); 565 } 566 567 if (pktmbuf_pool[portid][socketid] == NULL) { 568 snprintf(s, sizeof(s), "mbuf_pool_%d:%d", portid, 569 socketid); 570 /* Create a pool with priv size of a cacheline */ 571 pktmbuf_pool[portid][socketid] = 572 rte_pktmbuf_pool_create( 573 s, nb_mbuf, MEMPOOL_CACHE_SIZE, 574 RTE_CACHE_LINE_SIZE, 575 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 576 if (pktmbuf_pool[portid][socketid] == NULL) 577 rte_exit(EXIT_FAILURE, 578 "Cannot init mbuf pool on socket %d\n", 579 socketid); 580 else 581 printf("Allocated mbuf pool on socket %d\n", 582 socketid); 583 } 584 } 585 586 return 0; 587 } 588 589 /* Check the link status of all ports in up to 9s, and print them finally */ 590 static void 591 check_all_ports_link_status(uint32_t port_mask) 592 { 593 #define CHECK_INTERVAL 100 /* 100ms */ 594 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 595 uint8_t count, all_ports_up, print_flag = 0; 596 struct rte_eth_link link; 597 uint16_t portid; 598 int ret; 599 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 600 601 printf("\nChecking link status"); 602 fflush(stdout); 603 for (count = 0; count <= MAX_CHECK_TIME; count++) { 604 if (force_quit) 605 return; 606 all_ports_up = 1; 607 RTE_ETH_FOREACH_DEV(portid) 608 { 609 if (force_quit) 610 return; 611 if ((port_mask & (1 << portid)) == 0) 612 continue; 613 memset(&link, 0, sizeof(link)); 614 ret = rte_eth_link_get_nowait(portid, &link); 615 if (ret < 0) { 616 all_ports_up = 0; 617 if (print_flag == 1) 618 printf("Port %u link get failed: %s\n", 619 portid, rte_strerror(-ret)); 620 continue; 621 } 622 /* Print link status if flag set */ 623 if (print_flag == 1) { 624 rte_eth_link_to_str(link_status_text, 625 sizeof(link_status_text), &link); 626 printf("Port %d %s\n", portid, 627 link_status_text); 628 continue; 629 } 630 /* Clear all_ports_up flag if any link down */ 631 if (link.link_status == ETH_LINK_DOWN) { 632 all_ports_up = 0; 633 break; 634 } 635 } 636 /* After finally printing all link status, get out */ 637 if (print_flag == 1) 638 break; 639 640 if (all_ports_up == 0) { 641 printf("."); 642 fflush(stdout); 643 rte_delay_ms(CHECK_INTERVAL); 644 } 645 646 /* Set the print_flag if all ports up or timeout */ 647 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 648 print_flag = 1; 649 printf("Done\n"); 650 } 651 } 652 } 653 654 static void 655 signal_handler(int signum) 656 { 657 if (signum == SIGINT || signum == SIGTERM) { 658 printf("\n\nSignal %d received, preparing to exit...\n", 659 signum); 660 force_quit = true; 661 } 662 } 663 664 static void 665 print_stats(void) 666 { 667 const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0'}; 668 const char clr[] = {27, '[', '2', 'J', '\0'}; 669 struct rte_graph_cluster_stats_param s_param; 670 struct rte_graph_cluster_stats *stats; 671 const char *pattern = "worker_*"; 672 673 /* Prepare stats object */ 674 memset(&s_param, 0, sizeof(s_param)); 675 s_param.f = stdout; 676 s_param.socket_id = SOCKET_ID_ANY; 677 s_param.graph_patterns = &pattern; 678 s_param.nb_graph_patterns = 1; 679 680 stats = rte_graph_cluster_stats_create(&s_param); 681 if (stats == NULL) 682 rte_exit(EXIT_FAILURE, "Unable to create stats object\n"); 683 684 while (!force_quit) { 685 /* Clear screen and move to top left */ 686 printf("%s%s", clr, topLeft); 687 rte_graph_cluster_stats_get(stats, 0); 688 rte_delay_ms(1E3); 689 } 690 691 rte_graph_cluster_stats_destroy(stats); 692 } 693 694 /* Main processing loop. 8< */ 695 static int 696 graph_main_loop(void *conf) 697 { 698 struct lcore_conf *qconf; 699 struct rte_graph *graph; 700 uint32_t lcore_id; 701 702 RTE_SET_USED(conf); 703 704 lcore_id = rte_lcore_id(); 705 qconf = &lcore_conf[lcore_id]; 706 graph = qconf->graph; 707 708 if (!graph) { 709 RTE_LOG(INFO, L3FWD_GRAPH, "Lcore %u has nothing to do\n", 710 lcore_id); 711 return 0; 712 } 713 714 RTE_LOG(INFO, L3FWD_GRAPH, 715 "Entering main loop on lcore %u, graph %s(%p)\n", lcore_id, 716 qconf->name, graph); 717 718 while (likely(!force_quit)) 719 rte_graph_walk(graph); 720 721 return 0; 722 } 723 /* >8 End of main processing loop. */ 724 725 int 726 main(int argc, char **argv) 727 { 728 /* Rewrite data of src and dst ether addr */ 729 uint8_t rewrite_data[2 * sizeof(struct rte_ether_addr)]; 730 /* Graph initialization. 8< */ 731 static const char * const default_patterns[] = { 732 "ip4*", 733 "ethdev_tx-*", 734 "pkt_drop", 735 }; 736 uint8_t nb_rx_queue, queue, socketid; 737 struct rte_graph_param graph_conf; 738 struct rte_eth_dev_info dev_info; 739 uint32_t nb_ports, nb_conf = 0; 740 uint32_t n_tx_queue, nb_lcores; 741 struct rte_eth_txconf *txconf; 742 uint16_t queueid, portid, i; 743 const char **node_patterns; 744 struct lcore_conf *qconf; 745 uint16_t nb_graphs = 0; 746 uint16_t nb_patterns; 747 uint8_t rewrite_len; 748 uint32_t lcore_id; 749 int ret; 750 751 /* Init EAL */ 752 ret = rte_eal_init(argc, argv); 753 if (ret < 0) 754 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 755 argc -= ret; 756 argv += ret; 757 758 force_quit = false; 759 signal(SIGINT, signal_handler); 760 signal(SIGTERM, signal_handler); 761 762 /* Pre-init dst MACs for all ports to 02:00:00:00:00:xx */ 763 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 764 dest_eth_addr[portid] = 765 RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40); 766 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 767 } 768 769 /* Parse application arguments (after the EAL ones) */ 770 ret = parse_args(argc, argv); 771 if (ret < 0) 772 rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n"); 773 774 if (check_lcore_params() < 0) 775 rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n"); 776 777 ret = init_lcore_rx_queues(); 778 if (ret < 0) 779 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n"); 780 781 if (check_port_config() < 0) 782 rte_exit(EXIT_FAILURE, "check_port_config() failed\n"); 783 784 nb_ports = rte_eth_dev_count_avail(); 785 nb_lcores = rte_lcore_count(); 786 787 /* Initialize all ports. 8< */ 788 RTE_ETH_FOREACH_DEV(portid) 789 { 790 struct rte_eth_conf local_port_conf = port_conf; 791 792 /* Skip ports that are not enabled */ 793 if ((enabled_port_mask & (1 << portid)) == 0) { 794 printf("\nSkipping disabled port %d\n", portid); 795 continue; 796 } 797 798 /* Init port */ 799 printf("Initializing port %d ... ", portid); 800 fflush(stdout); 801 802 nb_rx_queue = get_port_n_rx_queues(portid); 803 n_tx_queue = nb_lcores; 804 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 805 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 806 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 807 nb_rx_queue, n_tx_queue); 808 809 rte_eth_dev_info_get(portid, &dev_info); 810 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 811 local_port_conf.txmode.offloads |= 812 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 813 814 local_port_conf.rx_adv_conf.rss_conf.rss_hf &= 815 dev_info.flow_type_rss_offloads; 816 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != 817 port_conf.rx_adv_conf.rss_conf.rss_hf) { 818 printf("Port %u modified RSS hash function based on " 819 "hardware support," 820 "requested:%#" PRIx64 " configured:%#" PRIx64 821 "\n", 822 portid, port_conf.rx_adv_conf.rss_conf.rss_hf, 823 local_port_conf.rx_adv_conf.rss_conf.rss_hf); 824 } 825 826 ret = rte_eth_dev_configure(portid, nb_rx_queue, 827 n_tx_queue, &local_port_conf); 828 if (ret < 0) 829 rte_exit(EXIT_FAILURE, 830 "Cannot configure device: err=%d, port=%d\n", 831 ret, portid); 832 833 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 834 &nb_txd); 835 if (ret < 0) 836 rte_exit(EXIT_FAILURE, 837 "Cannot adjust number of descriptors: err=%d, " 838 "port=%d\n", 839 ret, portid); 840 841 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 842 print_ethaddr(" Address:", &ports_eth_addr[portid]); 843 printf(", "); 844 print_ethaddr( 845 "Destination:", 846 (const struct rte_ether_addr *)&dest_eth_addr[portid]); 847 printf(", "); 848 849 /* 850 * prepare src MACs for each port. 851 */ 852 rte_ether_addr_copy( 853 &ports_eth_addr[portid], 854 (struct rte_ether_addr *)(val_eth + portid) + 1); 855 856 /* Init memory */ 857 if (!per_port_pool) { 858 /* portid = 0; this is *not* signifying the first port, 859 * rather, it signifies that portid is ignored. 860 */ 861 ret = init_mem(0, NB_MBUF(nb_ports)); 862 } else { 863 ret = init_mem(portid, NB_MBUF(1)); 864 } 865 if (ret < 0) 866 rte_exit(EXIT_FAILURE, "init_mem() failed\n"); 867 868 /* Init one TX queue per couple (lcore,port) */ 869 queueid = 0; 870 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 871 if (rte_lcore_is_enabled(lcore_id) == 0) 872 continue; 873 874 qconf = &lcore_conf[lcore_id]; 875 876 if (numa_on) 877 socketid = (uint8_t)rte_lcore_to_socket_id( 878 lcore_id); 879 else 880 socketid = 0; 881 882 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 883 fflush(stdout); 884 885 txconf = &dev_info.default_txconf; 886 txconf->offloads = local_port_conf.txmode.offloads; 887 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 888 socketid, txconf); 889 if (ret < 0) 890 rte_exit(EXIT_FAILURE, 891 "rte_eth_tx_queue_setup: err=%d, " 892 "port=%d\n", 893 ret, portid); 894 queueid++; 895 } 896 897 /* Setup ethdev node config */ 898 ethdev_conf[nb_conf].port_id = portid; 899 ethdev_conf[nb_conf].num_rx_queues = nb_rx_queue; 900 ethdev_conf[nb_conf].num_tx_queues = n_tx_queue; 901 if (!per_port_pool) 902 ethdev_conf[nb_conf].mp = pktmbuf_pool[0]; 903 904 else 905 ethdev_conf[nb_conf].mp = pktmbuf_pool[portid]; 906 ethdev_conf[nb_conf].mp_count = NB_SOCKETS; 907 908 nb_conf++; 909 printf("\n"); 910 } 911 912 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 913 if (rte_lcore_is_enabled(lcore_id) == 0) 914 continue; 915 qconf = &lcore_conf[lcore_id]; 916 printf("\nInitializing rx queues on lcore %u ... ", lcore_id); 917 fflush(stdout); 918 /* Init RX queues */ 919 for (queue = 0; queue < qconf->n_rx_queue; ++queue) { 920 struct rte_eth_rxconf rxq_conf; 921 922 portid = qconf->rx_queue_list[queue].port_id; 923 queueid = qconf->rx_queue_list[queue].queue_id; 924 925 if (numa_on) 926 socketid = (uint8_t)rte_lcore_to_socket_id( 927 lcore_id); 928 else 929 socketid = 0; 930 931 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 932 fflush(stdout); 933 934 rte_eth_dev_info_get(portid, &dev_info); 935 rxq_conf = dev_info.default_rxconf; 936 rxq_conf.offloads = port_conf.rxmode.offloads; 937 if (!per_port_pool) 938 ret = rte_eth_rx_queue_setup( 939 portid, queueid, nb_rxd, socketid, 940 &rxq_conf, pktmbuf_pool[0][socketid]); 941 else 942 ret = rte_eth_rx_queue_setup( 943 portid, queueid, nb_rxd, socketid, 944 &rxq_conf, 945 pktmbuf_pool[portid][socketid]); 946 if (ret < 0) 947 rte_exit(EXIT_FAILURE, 948 "rte_eth_rx_queue_setup: err=%d, " 949 "port=%d\n", 950 ret, portid); 951 952 /* Add this queue node to its graph */ 953 snprintf(qconf->rx_queue_list[queue].node_name, 954 RTE_NODE_NAMESIZE, "ethdev_rx-%u-%u", portid, 955 queueid); 956 } 957 958 /* Alloc a graph to this lcore only if source exists */ 959 if (qconf->n_rx_queue) 960 nb_graphs++; 961 } 962 963 printf("\n"); 964 965 /* Ethdev node config, skip rx queue mapping */ 966 ret = rte_node_eth_config(ethdev_conf, nb_conf, nb_graphs); 967 /* >8 End of graph creation. */ 968 if (ret) 969 rte_exit(EXIT_FAILURE, "rte_node_eth_config: err=%d\n", ret); 970 971 /* Start ports */ 972 RTE_ETH_FOREACH_DEV(portid) 973 { 974 if ((enabled_port_mask & (1 << portid)) == 0) 975 continue; 976 977 /* Start device */ 978 ret = rte_eth_dev_start(portid); 979 if (ret < 0) 980 rte_exit(EXIT_FAILURE, 981 "rte_eth_dev_start: err=%d, port=%d\n", ret, 982 portid); 983 984 /* 985 * If enabled, put device in promiscuous mode. 986 * This allows IO forwarding mode to forward packets 987 * to itself through 2 cross-connected ports of the 988 * target machine. 989 */ 990 if (promiscuous_on) 991 rte_eth_promiscuous_enable(portid); 992 } 993 994 printf("\n"); 995 996 check_all_ports_link_status(enabled_port_mask); 997 998 /* Graph Initialization */ 999 nb_patterns = RTE_DIM(default_patterns); 1000 node_patterns = malloc((MAX_RX_QUEUE_PER_LCORE + nb_patterns) * 1001 sizeof(*node_patterns)); 1002 if (!node_patterns) 1003 return -ENOMEM; 1004 memcpy(node_patterns, default_patterns, 1005 nb_patterns * sizeof(*node_patterns)); 1006 1007 memset(&graph_conf, 0, sizeof(graph_conf)); 1008 graph_conf.node_patterns = node_patterns; 1009 1010 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1011 rte_graph_t graph_id; 1012 rte_edge_t i; 1013 1014 if (rte_lcore_is_enabled(lcore_id) == 0) 1015 continue; 1016 1017 qconf = &lcore_conf[lcore_id]; 1018 1019 /* Skip graph creation if no source exists */ 1020 if (!qconf->n_rx_queue) 1021 continue; 1022 1023 /* Add rx node patterns of this lcore */ 1024 for (i = 0; i < qconf->n_rx_queue; i++) { 1025 graph_conf.node_patterns[nb_patterns + i] = 1026 qconf->rx_queue_list[i].node_name; 1027 } 1028 1029 graph_conf.nb_node_patterns = nb_patterns + i; 1030 graph_conf.socket_id = rte_lcore_to_socket_id(lcore_id); 1031 1032 snprintf(qconf->name, sizeof(qconf->name), "worker_%u", 1033 lcore_id); 1034 1035 graph_id = rte_graph_create(qconf->name, &graph_conf); 1036 if (graph_id == RTE_GRAPH_ID_INVALID) 1037 rte_exit(EXIT_FAILURE, 1038 "rte_graph_create(): graph_id invalid" 1039 " for lcore %u\n", lcore_id); 1040 1041 qconf->graph_id = graph_id; 1042 qconf->graph = rte_graph_lookup(qconf->name); 1043 /* >8 End of graph initialization. */ 1044 if (!qconf->graph) 1045 rte_exit(EXIT_FAILURE, 1046 "rte_graph_lookup(): graph %s not found\n", 1047 qconf->name); 1048 } 1049 1050 memset(&rewrite_data, 0, sizeof(rewrite_data)); 1051 rewrite_len = sizeof(rewrite_data); 1052 1053 /* Add route to ip4 graph infra. 8< */ 1054 for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) { 1055 char route_str[INET6_ADDRSTRLEN * 4]; 1056 char abuf[INET6_ADDRSTRLEN]; 1057 struct in_addr in; 1058 uint32_t dst_port; 1059 1060 /* Skip unused ports */ 1061 if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out & 1062 enabled_port_mask) == 0) 1063 continue; 1064 1065 dst_port = ipv4_l3fwd_lpm_route_array[i].if_out; 1066 1067 in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip); 1068 snprintf(route_str, sizeof(route_str), "%s / %d (%d)", 1069 inet_ntop(AF_INET, &in, abuf, sizeof(abuf)), 1070 ipv4_l3fwd_lpm_route_array[i].depth, 1071 ipv4_l3fwd_lpm_route_array[i].if_out); 1072 1073 /* Use route index 'i' as next hop id */ 1074 ret = rte_node_ip4_route_add( 1075 ipv4_l3fwd_lpm_route_array[i].ip, 1076 ipv4_l3fwd_lpm_route_array[i].depth, i, 1077 RTE_NODE_IP4_LOOKUP_NEXT_REWRITE); 1078 1079 if (ret < 0) 1080 rte_exit(EXIT_FAILURE, 1081 "Unable to add ip4 route %s to graph\n", 1082 route_str); 1083 1084 memcpy(rewrite_data, val_eth + dst_port, rewrite_len); 1085 1086 /* Add next hop rewrite data for id 'i' */ 1087 ret = rte_node_ip4_rewrite_add(i, rewrite_data, 1088 rewrite_len, dst_port); 1089 if (ret < 0) 1090 rte_exit(EXIT_FAILURE, 1091 "Unable to add next hop %u for " 1092 "route %s\n", i, route_str); 1093 1094 RTE_LOG(INFO, L3FWD_GRAPH, "Added route %s, next_hop %u\n", 1095 route_str, i); 1096 } 1097 /* >8 End of adding route to ip4 graph infa. */ 1098 1099 /* Launch per-lcore init on every worker lcore */ 1100 rte_eal_mp_remote_launch(graph_main_loop, NULL, SKIP_MAIN); 1101 1102 /* Accumulate and print stats on main until exit */ 1103 if (rte_graph_has_stats_feature()) 1104 print_stats(); 1105 1106 /* Wait for worker cores to exit */ 1107 ret = 0; 1108 RTE_LCORE_FOREACH_WORKER(lcore_id) { 1109 ret = rte_eal_wait_lcore(lcore_id); 1110 /* Destroy graph */ 1111 if (ret < 0 || rte_graph_destroy( 1112 rte_graph_from_name(lcore_conf[lcore_id].name))) { 1113 ret = -1; 1114 break; 1115 } 1116 } 1117 free(node_patterns); 1118 1119 /* Stop ports */ 1120 RTE_ETH_FOREACH_DEV(portid) { 1121 if ((enabled_port_mask & (1 << portid)) == 0) 1122 continue; 1123 printf("Closing port %d...", portid); 1124 ret = rte_eth_dev_stop(portid); 1125 if (ret != 0) 1126 printf("Failed to stop port %u: %s\n", 1127 portid, rte_strerror(-ret)); 1128 rte_eth_dev_close(portid); 1129 printf(" Done\n"); 1130 } 1131 1132 /* clean up the EAL */ 1133 rte_eal_cleanup(); 1134 printf("Bye...\n"); 1135 1136 return ret; 1137 } 1138