examples/l3fwd-graph/main.c

   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_master_lcore()) {
 171                         printf("Error: lcore %u is master 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 -1;
 306
 307         if (pm == 0)
 308                 return -1;
 309
 310         return pm;
 311 }
 312
 313 static int
 314 parse_config(const char *q_arg)
 315 {
 316         enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
 317         unsigned long int_fld[_NUM_FLD];
 318         const char *p, *p0 = q_arg;
 319         char *str_fld[_NUM_FLD];
 320         uint32_t size;
 321         char s[256];
 322         char *end;
 323         int i;
 324
 325         nb_lcore_params = 0;
 326
 327         while ((p = strchr(p0, '(')) != NULL) {
 328                 ++p;
 329                 p0 = strchr(p, ')');
 330                 if (p0 == NULL)
 331                         return -1;
 332
 333                 size = p0 - p;
 334                 if (size >= sizeof(s))
 335                         return -1;
 336
 337                 memcpy(s, p, size);
 338                 s[size] = '\0';
 339                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
 340                     _NUM_FLD)
 341                         return -1;
 342                 for (i = 0; i < _NUM_FLD; i++) {
 343                         errno = 0;
 344                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 345                         if (errno != 0 || end == str_fld[i])
 346                                 return -1;
 347                 }
 348
 349                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 350                         printf("Exceeded max number of lcore params: %hu\n",
 351                                nb_lcore_params);
 352                         return -1;
 353                 }
 354
 355                 if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
 356                     int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
 357                         printf("Invalid port/lcore id\n");
 358                         return -1;
 359                 }
 360
 361                 lcore_params_array[nb_lcore_params].port_id =
 362                         (uint8_t)int_fld[FLD_PORT];
 363                 lcore_params_array[nb_lcore_params].queue_id =
 364                         (uint8_t)int_fld[FLD_QUEUE];
 365                 lcore_params_array[nb_lcore_params].lcore_id =
 366                         (uint8_t)int_fld[FLD_LCORE];
 367                 ++nb_lcore_params;
 368         }
 369         lcore_params = lcore_params_array;
 370
 371         return 0;
 372 }
 373
 374 static void
 375 parse_eth_dest(const char *optarg)
 376 {
 377         uint8_t c, *dest, peer_addr[6];
 378         uint16_t portid;
 379         char *port_end;
 380
 381         errno = 0;
 382         portid = strtoul(optarg, &port_end, 10);
 383         if (errno != 0 || port_end == optarg || *port_end++ != ',')
 384                 rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg);
 385         if (portid >= RTE_MAX_ETHPORTS)
 386                 rte_exit(EXIT_FAILURE,
 387                          "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid,
 388                          RTE_MAX_ETHPORTS);
 389
 390         if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr,
 391                                     sizeof(peer_addr)) < 0)
 392                 rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n",
 393                          port_end);
 394         dest = (uint8_t *)&dest_eth_addr[portid];
 395         for (c = 0; c < 6; c++)
 396                 dest[c] = peer_addr[c];
 397         *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 398 }
 399
 400 #define MAX_JUMBO_PKT_LEN  9600
 401 #define MEMPOOL_CACHE_SIZE 256
 402
 403 static const char short_options[] = "p:" /* portmask */
 404                                     "P"  /* promiscuous */
 405         ;
 406
 407 #define CMD_LINE_OPT_CONFIG        "config"
 408 #define CMD_LINE_OPT_ETH_DEST      "eth-dest"
 409 #define CMD_LINE_OPT_NO_NUMA       "no-numa"
 410 #define CMD_LINE_OPT_ENABLE_JUMBO  "enable-jumbo"
 411 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
 412 enum {
 413         /* Long options mapped to a short option */
 414
 415         /* First long only option value must be >= 256, so that we won't
 416          * conflict with short options
 417          */
 418         CMD_LINE_OPT_MIN_NUM = 256,
 419         CMD_LINE_OPT_CONFIG_NUM,
 420         CMD_LINE_OPT_ETH_DEST_NUM,
 421         CMD_LINE_OPT_NO_NUMA_NUM,
 422         CMD_LINE_OPT_ENABLE_JUMBO_NUM,
 423         CMD_LINE_OPT_PARSE_PER_PORT_POOL,
 424 };
 425
 426 static const struct option lgopts[] = {
 427         {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
 428         {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
 429         {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
 430         {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
 431         {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
 432         {NULL, 0, 0, 0},
 433 };
 434
 435 /*
 436  * This expression is used to calculate the number of mbufs needed
 437  * depending on user input, taking  into account memory for rx and
 438  * tx hardware rings, cache per lcore and mtable per port per lcore.
 439  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
 440  * value of 8192
 441  */
 442 #define NB_MBUF(nports)                                                        \
 443         RTE_MAX((nports * nb_rx_queue * nb_rxd +                               \
 444                  nports * nb_lcores * RTE_GRAPH_BURST_SIZE +                   \
 445                  nports * n_tx_queue * nb_txd +                                \
 446                  nb_lcores * MEMPOOL_CACHE_SIZE), 8192u)
 447
 448 /* Parse the argument given in the command line of the application */
 449 static int
 450 parse_args(int argc, char **argv)
 451 {
 452         char *prgname = argv[0];
 453         int option_index;
 454         char **argvopt;
 455         int opt, ret;
 456
 457         argvopt = argv;
 458
 459         /* Error or normal output strings. */
 460         while ((opt = getopt_long(argc, argvopt, short_options, lgopts,
 461                                   &option_index)) != EOF) {
 462
 463                 switch (opt) {
 464                 /* Portmask */
 465                 case 'p':
 466                         enabled_port_mask = parse_portmask(optarg);
 467                         if (enabled_port_mask == 0) {
 468                                 fprintf(stderr, "Invalid portmask\n");
 469                                 print_usage(prgname);
 470                                 return -1;
 471                         }
 472                         break;
 473
 474                 case 'P':
 475                         promiscuous_on = 1;
 476                         break;
 477
 478                 /* Long options */
 479                 case CMD_LINE_OPT_CONFIG_NUM:
 480                         ret = parse_config(optarg);
 481                         if (ret) {
 482                                 fprintf(stderr, "Invalid config\n");
 483                                 print_usage(prgname);
 484                                 return -1;
 485                         }
 486                         break;
 487
 488                 case CMD_LINE_OPT_ETH_DEST_NUM:
 489                         parse_eth_dest(optarg);
 490                         break;
 491
 492                 case CMD_LINE_OPT_NO_NUMA_NUM:
 493                         numa_on = 0;
 494                         break;
 495
 496                 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
 497                         const struct option lenopts = {"max-pkt-len",
 498                                                        required_argument, 0, 0};
 499
 500                         port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 501                         port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 502
 503                         /*
 504                          * if no max-pkt-len set, use the default
 505                          * value RTE_ETHER_MAX_LEN.
 506                          */
 507                         if (getopt_long(argc, argvopt, "", &lenopts,
 508                                         &option_index) == 0) {
 509                                 ret = parse_max_pkt_len(optarg);
 510                                 if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
 511                                         fprintf(stderr, "Invalid maximum "
 512                                                         "packet length\n");
 513                                         print_usage(prgname);
 514                                         return -1;
 515                                 }
 516                                 port_conf.rxmode.max_rx_pkt_len = ret;
 517                         }
 518                         break;
 519                 }
 520
 521                 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
 522                         printf("Per port buffer pool is enabled\n");
 523                         per_port_pool = 1;
 524                         break;
 525
 526                 default:
 527                         print_usage(prgname);
 528                         return -1;
 529                 }
 530         }
 531
 532         if (optind >= 0)
 533                 argv[optind - 1] = prgname;
 534         ret = optind - 1;
 535         optind = 1; /* Reset getopt lib */
 536
 537         return ret;
 538 }
 539
 540 static void
 541 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
 542 {
 543         char buf[RTE_ETHER_ADDR_FMT_SIZE];
 544         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
 545         printf("%s%s", name, buf);
 546 }
 547
 548 static int
 549 init_mem(uint16_t portid, uint32_t nb_mbuf)
 550 {
 551         uint32_t lcore_id;
 552         int socketid;
 553         char s[64];
 554
 555         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 556                 if (rte_lcore_is_enabled(lcore_id) == 0)
 557                         continue;
 558
 559                 if (numa_on)
 560                         socketid = rte_lcore_to_socket_id(lcore_id);
 561                 else
 562                         socketid = 0;
 563
 564                 if (socketid >= NB_SOCKETS) {
 565                         rte_exit(EXIT_FAILURE,
 566                                  "Socket %d of lcore %u is out of range %d\n",
 567                                  socketid, lcore_id, NB_SOCKETS);
 568                 }
 569
 570                 if (pktmbuf_pool[portid][socketid] == NULL) {
 571                         snprintf(s, sizeof(s), "mbuf_pool_%d:%d", portid,
 572                                  socketid);
 573                         /* Create a pool with priv size of a cacheline */
 574                         pktmbuf_pool[portid][socketid] =
 575                                 rte_pktmbuf_pool_create(
 576                                         s, nb_mbuf, MEMPOOL_CACHE_SIZE,
 577                                         RTE_CACHE_LINE_SIZE,
 578                                         RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
 579                         if (pktmbuf_pool[portid][socketid] == NULL)
 580                                 rte_exit(EXIT_FAILURE,
 581                                          "Cannot init mbuf pool on socket %d\n",
 582                                          socketid);
 583                         else
 584                                 printf("Allocated mbuf pool on socket %d\n",
 585                                        socketid);
 586                 }
 587         }
 588
 589         return 0;
 590 }
 591
 592 /* Check the link status of all ports in up to 9s, and print them finally */
 593 static void
 594 check_all_ports_link_status(uint32_t port_mask)
 595 {
 596 #define CHECK_INTERVAL 100 /* 100ms */
 597 #define MAX_CHECK_TIME 90  /* 9s (90 * 100ms) in total */
 598         uint8_t count, all_ports_up, print_flag = 0;
 599         struct rte_eth_link link;
 600         uint16_t portid;
 601
 602         printf("\nChecking link status");
 603         fflush(stdout);
 604         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 605                 if (force_quit)
 606                         return;
 607                 all_ports_up = 1;
 608                 RTE_ETH_FOREACH_DEV(portid)
 609                 {
 610                         if (force_quit)
 611                                 return;
 612                         if ((port_mask & (1 << portid)) == 0)
 613                                 continue;
 614                         memset(&link, 0, sizeof(link));
 615                         rte_eth_link_get_nowait(portid, &link);
 616                         /* Print link status if flag set */
 617                         if (print_flag == 1) {
 618                                 if (link.link_status)
 619                                         printf("Port%d Link Up. Speed %u Mbps "
 620                                                "-%s\n",
 621                                                portid, link.link_speed,
 622                                                (link.link_duplex ==
 623                                                 ETH_LINK_FULL_DUPLEX)
 624                                                        ? ("full-duplex")
 625                                                        : ("half-duplex\n"));
 626                                 else
 627                                         printf("Port %d Link Down\n", portid);
 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 */
 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
 724 int
 725 main(int argc, char **argv)
 726 {
 727         /* Rewrite data of src and dst ether addr */
 728         uint8_t rewrite_data[2 * sizeof(struct rte_ether_addr)];
 729         static const char * const default_patterns[] = {
 730                 "ip4*",
 731                 "ethdev_tx-*",
 732                 "pkt_drop",
 733         };
 734         uint8_t nb_rx_queue, queue, socketid;
 735         struct rte_graph_param graph_conf;
 736         struct rte_eth_dev_info dev_info;
 737         uint32_t nb_ports, nb_conf = 0;
 738         uint32_t n_tx_queue, nb_lcores;
 739         struct rte_eth_txconf *txconf;
 740         uint16_t queueid, portid, i;
 741         const char **node_patterns;
 742         struct lcore_conf *qconf;
 743         uint16_t nb_graphs = 0;
 744         uint16_t nb_patterns;
 745         uint8_t rewrite_len;
 746         uint32_t lcore_id;
 747         int ret;
 748
 749         /* Init EAL */
 750         ret = rte_eal_init(argc, argv);
 751         if (ret < 0)
 752                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
 753         argc -= ret;
 754         argv += ret;
 755
 756         force_quit = false;
 757         signal(SIGINT, signal_handler);
 758         signal(SIGTERM, signal_handler);
 759
 760         /* Pre-init dst MACs for all ports to 02:00:00:00:00:xx */
 761         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 762                 dest_eth_addr[portid] =
 763                         RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
 764                 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 765         }
 766
 767         /* Parse application arguments (after the EAL ones) */
 768         ret = parse_args(argc, argv);
 769         if (ret < 0)
 770                 rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n");
 771
 772         if (check_lcore_params() < 0)
 773                 rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n");
 774
 775         ret = init_lcore_rx_queues();
 776         if (ret < 0)
 777                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n");
 778
 779         if (check_port_config() < 0)
 780                 rte_exit(EXIT_FAILURE, "check_port_config() failed\n");
 781
 782         nb_ports = rte_eth_dev_count_avail();
 783         nb_lcores = rte_lcore_count();
 784
 785         /* Initialize all ports */
 786         RTE_ETH_FOREACH_DEV(portid)
 787         {
 788                 struct rte_eth_conf local_port_conf = port_conf;
 789
 790                 /* Skip ports that are not enabled */
 791                 if ((enabled_port_mask & (1 << portid)) == 0) {
 792                         printf("\nSkipping disabled port %d\n", portid);
 793                         continue;
 794                 }
 795
 796                 /* Init port */
 797                 printf("Initializing port %d ... ", portid);
 798                 fflush(stdout);
 799
 800                 nb_rx_queue = get_port_n_rx_queues(portid);
 801                 n_tx_queue = nb_lcores;
 802                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
 803                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
 804                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 805                        nb_rx_queue, n_tx_queue);
 806
 807                 rte_eth_dev_info_get(portid, &dev_info);
 808                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 809                         local_port_conf.txmode.offloads |=
 810                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 811
 812                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
 813                         dev_info.flow_type_rss_offloads;
 814                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
 815                     port_conf.rx_adv_conf.rss_conf.rss_hf) {
 816                         printf("Port %u modified RSS hash function based on "
 817                                "hardware support,"
 818                                "requested:%#" PRIx64 " configured:%#" PRIx64
 819                                "\n",
 820                                portid, port_conf.rx_adv_conf.rss_conf.rss_hf,
 821                                local_port_conf.rx_adv_conf.rss_conf.rss_hf);
 822                 }
 823
 824                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
 825                                             n_tx_queue, &local_port_conf);
 826                 if (ret < 0)
 827                         rte_exit(EXIT_FAILURE,
 828                                  "Cannot configure device: err=%d, port=%d\n",
 829                                  ret, portid);
 830
 831                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 832                                                        &nb_txd);
 833                 if (ret < 0)
 834                         rte_exit(EXIT_FAILURE,
 835                                  "Cannot adjust number of descriptors: err=%d, "
 836                                  "port=%d\n",
 837                                  ret, portid);
 838
 839                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
 840                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
 841                 printf(", ");
 842                 print_ethaddr(
 843                         "Destination:",
 844                         (const struct rte_ether_addr *)&dest_eth_addr[portid]);
 845                 printf(", ");
 846
 847                 /*
 848                  * prepare src MACs for each port.
 849                  */
 850                 rte_ether_addr_copy(
 851                         &ports_eth_addr[portid],
 852                         (struct rte_ether_addr *)(val_eth + portid) + 1);
 853
 854                 /* Init memory */
 855                 if (!per_port_pool) {
 856                         /* portid = 0; this is *not* signifying the first port,
 857                          * rather, it signifies that portid is ignored.
 858                          */
 859                         ret = init_mem(0, NB_MBUF(nb_ports));
 860                 } else {
 861                         ret = init_mem(portid, NB_MBUF(1));
 862                 }
 863                 if (ret < 0)
 864                         rte_exit(EXIT_FAILURE, "init_mem() failed\n");
 865
 866                 /* Init one TX queue per couple (lcore,port) */
 867                 queueid = 0;
 868                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 869                         if (rte_lcore_is_enabled(lcore_id) == 0)
 870                                 continue;
 871
 872                         qconf = &lcore_conf[lcore_id];
 873
 874                         if (numa_on)
 875                                 socketid = (uint8_t)rte_lcore_to_socket_id(
 876                                         lcore_id);
 877                         else
 878                                 socketid = 0;
 879
 880                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
 881                         fflush(stdout);
 882
 883                         txconf = &dev_info.default_txconf;
 884                         txconf->offloads = local_port_conf.txmode.offloads;
 885                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 886                                                      socketid, txconf);
 887                         if (ret < 0)
 888                                 rte_exit(EXIT_FAILURE,
 889                                          "rte_eth_tx_queue_setup: err=%d, "
 890                                          "port=%d\n",
 891                                          ret, portid);
 892                         queueid++;
 893                 }
 894
 895                 /* Setup ethdev node config */
 896                 ethdev_conf[nb_conf].port_id = portid;
 897                 ethdev_conf[nb_conf].num_rx_queues = nb_rx_queue;
 898                 ethdev_conf[nb_conf].num_tx_queues = n_tx_queue;
 899                 if (!per_port_pool)
 900                         ethdev_conf[nb_conf].mp = pktmbuf_pool[0];
 901
 902                 else
 903                         ethdev_conf[nb_conf].mp = pktmbuf_pool[portid];
 904                 ethdev_conf[nb_conf].mp_count = NB_SOCKETS;
 905
 906                 nb_conf++;
 907                 printf("\n");
 908         }
 909
 910         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 911                 if (rte_lcore_is_enabled(lcore_id) == 0)
 912                         continue;
 913                 qconf = &lcore_conf[lcore_id];
 914                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
 915                 fflush(stdout);
 916                 /* Init RX queues */
 917                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
 918                         struct rte_eth_rxconf rxq_conf;
 919
 920                         portid = qconf->rx_queue_list[queue].port_id;
 921                         queueid = qconf->rx_queue_list[queue].queue_id;
 922
 923                         if (numa_on)
 924                                 socketid = (uint8_t)rte_lcore_to_socket_id(
 925                                         lcore_id);
 926                         else
 927                                 socketid = 0;
 928
 929                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
 930                         fflush(stdout);
 931
 932                         rte_eth_dev_info_get(portid, &dev_info);
 933                         rxq_conf = dev_info.default_rxconf;
 934                         rxq_conf.offloads = port_conf.rxmode.offloads;
 935                         if (!per_port_pool)
 936                                 ret = rte_eth_rx_queue_setup(
 937                                         portid, queueid, nb_rxd, socketid,
 938                                         &rxq_conf, pktmbuf_pool[0][socketid]);
 939                         else
 940                                 ret = rte_eth_rx_queue_setup(
 941                                         portid, queueid, nb_rxd, socketid,
 942                                         &rxq_conf,
 943                                         pktmbuf_pool[portid][socketid]);
 944                         if (ret < 0)
 945                                 rte_exit(EXIT_FAILURE,
 946                                          "rte_eth_rx_queue_setup: err=%d, "
 947                                          "port=%d\n",
 948                                          ret, portid);
 949
 950                         /* Add this queue node to its graph */
 951                         snprintf(qconf->rx_queue_list[queue].node_name,
 952                                  RTE_NODE_NAMESIZE, "ethdev_rx-%u-%u", portid,
 953                                  queueid);
 954                 }
 955
 956                 /* Alloc a graph to this lcore only if source exists  */
 957                 if (qconf->n_rx_queue)
 958                         nb_graphs++;
 959         }
 960
 961         printf("\n");
 962
 963         /* Ethdev node config, skip rx queue mapping */
 964         ret = rte_node_eth_config(ethdev_conf, nb_conf, nb_graphs);
 965         if (ret)
 966                 rte_exit(EXIT_FAILURE, "rte_node_eth_config: err=%d\n", ret);
 967
 968         /* Start ports */
 969         RTE_ETH_FOREACH_DEV(portid)
 970         {
 971                 if ((enabled_port_mask & (1 << portid)) == 0)
 972                         continue;
 973
 974                 /* Start device */
 975                 ret = rte_eth_dev_start(portid);
 976                 if (ret < 0)
 977                         rte_exit(EXIT_FAILURE,
 978                                  "rte_eth_dev_start: err=%d, port=%d\n", ret,
 979                                  portid);
 980
 981                 /*
 982                  * If enabled, put device in promiscuous mode.
 983                  * This allows IO forwarding mode to forward packets
 984                  * to itself through 2 cross-connected  ports of the
 985                  * target machine.
 986                  */
 987                 if (promiscuous_on)
 988                         rte_eth_promiscuous_enable(portid);
 989         }
 990
 991         printf("\n");
 992
 993         check_all_ports_link_status(enabled_port_mask);
 994
 995         /* Graph Initialization */
 996         nb_patterns = RTE_DIM(default_patterns);
 997         node_patterns = malloc((MAX_RX_QUEUE_PER_LCORE + nb_patterns) *
 998                                sizeof(*node_patterns));
 999         if (!node_patterns)
1000                 return -ENOMEM;
1001         memcpy(node_patterns, default_patterns,
1002                nb_patterns * sizeof(*node_patterns));
1003
1004         memset(&graph_conf, 0, sizeof(graph_conf));
1005         graph_conf.node_patterns = node_patterns;
1006
1007         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1008                 rte_graph_t graph_id;
1009                 rte_edge_t i;
1010
1011                 if (rte_lcore_is_enabled(lcore_id) == 0)
1012                         continue;
1013
1014                 qconf = &lcore_conf[lcore_id];
1015
1016                 /* Skip graph creation if no source exists */
1017                 if (!qconf->n_rx_queue)
1018                         continue;
1019
1020                 /* Add rx node patterns of this lcore */
1021                 for (i = 0; i < qconf->n_rx_queue; i++) {
1022                         graph_conf.node_patterns[nb_patterns + i] =
1023                                 qconf->rx_queue_list[i].node_name;
1024                 }
1025
1026                 graph_conf.nb_node_patterns = nb_patterns + i;
1027                 graph_conf.socket_id = rte_lcore_to_socket_id(lcore_id);
1028
1029                 snprintf(qconf->name, sizeof(qconf->name), "worker_%u",
1030                          lcore_id);
1031
1032                 graph_id = rte_graph_create(qconf->name, &graph_conf);
1033                 if (graph_id == RTE_GRAPH_ID_INVALID)
1034                         rte_exit(EXIT_FAILURE,
1035                                  "rte_graph_create(): graph_id invalid"
1036                                  " for lcore %u\n", lcore_id);
1037
1038                 qconf->graph_id = graph_id;
1039                 qconf->graph = rte_graph_lookup(qconf->name);
1040                 if (!qconf->graph)
1041                         rte_exit(EXIT_FAILURE,
1042                                  "rte_graph_lookup(): graph %s not found\n",
1043                                  qconf->name);
1044         }
1045
1046         memset(&rewrite_data, 0, sizeof(rewrite_data));
1047         rewrite_len = sizeof(rewrite_data);
1048
1049         /* Add route to ip4 graph infra */
1050         for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
1051                 char route_str[INET6_ADDRSTRLEN * 4];
1052                 char abuf[INET6_ADDRSTRLEN];
1053                 struct in_addr in;
1054                 uint32_t dst_port;
1055
1056                 /* Skip unused ports */
1057                 if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
1058                      enabled_port_mask) == 0)
1059                         continue;
1060
1061                 dst_port = ipv4_l3fwd_lpm_route_array[i].if_out;
1062
1063                 in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip);
1064                 snprintf(route_str, sizeof(route_str), "%s / %d (%d)",
1065                          inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
1066                          ipv4_l3fwd_lpm_route_array[i].depth,
1067                          ipv4_l3fwd_lpm_route_array[i].if_out);
1068
1069                 /* Use route index 'i' as next hop id */
1070                 ret = rte_node_ip4_route_add(
1071                         ipv4_l3fwd_lpm_route_array[i].ip,
1072                         ipv4_l3fwd_lpm_route_array[i].depth, i,
1073                         RTE_NODE_IP4_LOOKUP_NEXT_REWRITE);
1074
1075                 if (ret < 0)
1076                         rte_exit(EXIT_FAILURE,
1077                                  "Unable to add ip4 route %s to graph\n",
1078                                  route_str);
1079
1080                 memcpy(rewrite_data, val_eth + dst_port, rewrite_len);
1081
1082                 /* Add next hop rewrite data for id 'i' */
1083                 ret = rte_node_ip4_rewrite_add(i, rewrite_data,
1084                                                rewrite_len, dst_port);
1085                 if (ret < 0)
1086                         rte_exit(EXIT_FAILURE,
1087                                  "Unable to add next hop %u for "
1088                                  "route %s\n", i, route_str);
1089
1090                 RTE_LOG(INFO, L3FWD_GRAPH, "Added route %s, next_hop %u\n",
1091                         route_str, i);
1092         }
1093
1094         /* Launch per-lcore init on every slave lcore */
1095         rte_eal_mp_remote_launch(graph_main_loop, NULL, SKIP_MASTER);
1096
1097         /* Accumulate and print stats on master until exit */
1098         if (rte_graph_has_stats_feature())
1099                 print_stats();
1100
1101         /* Wait for slave cores to exit */
1102         ret = 0;
1103         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1104                 ret = rte_eal_wait_lcore(lcore_id);
1105                 /* Destroy graph */
1106                 if (ret < 0 || rte_graph_destroy(
1107                         rte_graph_from_name(lcore_conf[lcore_id].name))) {
1108                         ret = -1;
1109                         break;
1110                 }
1111         }
1112         free(node_patterns);
1113
1114         /* Stop ports */
1115         RTE_ETH_FOREACH_DEV(portid) {
1116                 if ((enabled_port_mask & (1 << portid)) == 0)
1117                         continue;
1118                 printf("Closing port %d...", portid);
1119                 rte_eth_dev_stop(portid);
1120                 rte_eth_dev_close(portid);
1121                 printf(" Done\n");
1122         }
1123         printf("Bye...\n");
1124
1125         return ret;
1126 }