examples/bbdev_app/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <stdint.h>
   9 #include <inttypes.h>
  10 #include <sys/types.h>
  11 #include <sys/unistd.h>
  12 #include <sys/queue.h>
  13 #include <stdarg.h>
  14 #include <ctype.h>
  15 #include <errno.h>
  16 #include <math.h>
  17 #include <assert.h>
  18 #include <getopt.h>
  19 #include <signal.h>
  20
  21 #include "rte_atomic.h"
  22 #include "rte_common.h"
  23 #include "rte_eal.h"
  24 #include "rte_cycles.h"
  25 #include "rte_ether.h"
  26 #include "rte_ethdev.h"
  27 #include "rte_ip.h"
  28 #include "rte_lcore.h"
  29 #include "rte_malloc.h"
  30 #include "rte_mbuf.h"
  31 #include "rte_memory.h"
  32 #include "rte_mempool.h"
  33 #include "rte_log.h"
  34 #include "rte_bbdev.h"
  35 #include "rte_bbdev_op.h"
  36
  37 /* LLR values - negative value for '1' bit */
  38 #define LLR_1_BIT 0x81
  39 #define LLR_0_BIT 0x7F
  40
  41 #define MAX_PKT_BURST 32
  42 #define NB_MBUF 8191
  43 #define MEMPOOL_CACHE_SIZE 256
  44
  45 /* Hardcoded K value */
  46 #define K 40
  47 #define NCB (3 * RTE_ALIGN_CEIL(K + 4, 32))
  48
  49 #define CRC_24B_LEN 3
  50
  51 /* Configurable number of RX/TX ring descriptors */
  52 #define RTE_TEST_RX_DESC_DEFAULT 128
  53 #define RTE_TEST_TX_DESC_DEFAULT 512
  54
  55 #define BBDEV_ASSERT(a) do { \
  56         if (!(a)) { \
  57                 usage(prgname); \
  58                 return -1; \
  59         } \
  60 } while (0)
  61
  62 static const struct rte_eth_conf port_conf = {
  63         .rxmode = {
  64                 .mq_mode = ETH_MQ_RX_NONE,
  65                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
  66                 .split_hdr_size = 0,
  67         },
  68         .txmode = {
  69                 .mq_mode = ETH_MQ_TX_NONE,
  70         },
  71 };
  72
  73 struct rte_bbdev_op_turbo_enc def_op_enc = {
  74         /* These values are arbitrarily put, and does not map to the real
  75          * values for the data received from ethdev ports
  76          */
  77         .rv_index = 0,
  78         .code_block_mode = 1,
  79         .cb_params = {
  80                 .k = K,
  81         },
  82         .op_flags = RTE_BBDEV_TURBO_CRC_24A_ATTACH
  83 };
  84
  85 struct rte_bbdev_op_turbo_dec def_op_dec = {
  86         /* These values are arbitrarily put, and does not map to the real
  87          * values for the data received from ethdev ports
  88          */
  89         .code_block_mode = 1,
  90         .cb_params = {
  91                 .k = K,
  92         },
  93         .rv_index = 0,
  94         .iter_max = 8,
  95         .iter_min = 4,
  96         .ext_scale = 15,
  97         .num_maps = 0,
  98         .op_flags = RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN
  99 };
 100
 101 struct app_config_params {
 102         /* Placeholders for app params */
 103         uint16_t port_id;
 104         uint16_t bbdev_id;
 105         uint64_t enc_core_mask;
 106         uint64_t dec_core_mask;
 107
 108         /* Values filled during init time */
 109         uint16_t enc_queue_ids[RTE_MAX_LCORE];
 110         uint16_t dec_queue_ids[RTE_MAX_LCORE];
 111         uint16_t num_enc_cores;
 112         uint16_t num_dec_cores;
 113 };
 114
 115 struct lcore_statistics {
 116         unsigned int enqueued;
 117         unsigned int dequeued;
 118         unsigned int rx_lost_packets;
 119         unsigned int enc_to_dec_lost_packets;
 120         unsigned int tx_lost_packets;
 121 } __rte_cache_aligned;
 122
 123 /** each lcore configuration */
 124 struct lcore_conf {
 125         uint64_t core_type;
 126
 127         unsigned int port_id;
 128         unsigned int rx_queue_id;
 129         unsigned int tx_queue_id;
 130
 131         unsigned int bbdev_id;
 132         unsigned int enc_queue_id;
 133         unsigned int dec_queue_id;
 134
 135         uint8_t llr_temp_buf[NCB];
 136
 137         struct rte_mempool *bbdev_dec_op_pool;
 138         struct rte_mempool *bbdev_enc_op_pool;
 139         struct rte_mempool *enc_out_pool;
 140         struct rte_ring *enc_to_dec_ring;
 141
 142         struct lcore_statistics *lcore_stats;
 143 } __rte_cache_aligned;
 144
 145 struct stats_lcore_params {
 146         struct lcore_conf *lconf;
 147         struct app_config_params *app_params;
 148 };
 149
 150
 151 static const struct app_config_params def_app_config = {
 152         .port_id = 0,
 153         .bbdev_id = 0,
 154         .enc_core_mask = 0x2,
 155         .dec_core_mask = 0x4,
 156         .num_enc_cores = 1,
 157         .num_dec_cores = 1,
 158 };
 159
 160 static rte_atomic16_t global_exit_flag;
 161
 162 /* display usage */
 163 static inline void
 164 usage(const char *prgname)
 165 {
 166         printf("%s [EAL options] "
 167                         "  --\n"
 168                         "  --enc_cores - number of encoding cores (default = 0x2)\n"
 169                         "  --dec_cores - number of decoding cores (default = 0x4)\n"
 170                         "  --port_id - Ethernet port ID (default = 0)\n"
 171                         "  --bbdev_id - BBDev ID (default = 0)\n"
 172                         "\n", prgname);
 173 }
 174
 175 /* parse core mask */
 176 static inline
 177 uint16_t bbdev_parse_mask(const char *mask)
 178 {
 179         char *end = NULL;
 180         unsigned long pm;
 181
 182         /* parse hexadecimal string */
 183         pm = strtoul(mask, &end, 16);
 184         if ((mask[0] == '\0') || (end == NULL) || (*end != '\0'))
 185                 return 0;
 186
 187         return pm;
 188 }
 189
 190 /* parse core mask */
 191 static inline
 192 uint16_t bbdev_parse_number(const char *mask)
 193 {
 194         char *end = NULL;
 195         unsigned long pm;
 196
 197         /* parse hexadecimal string */
 198         pm = strtoul(mask, &end, 10);
 199         if ((mask[0] == '\0') || (end == NULL) || (*end != '\0'))
 200                 return 0;
 201
 202         return pm;
 203 }
 204
 205 static int
 206 bbdev_parse_args(int argc, char **argv,
 207                 struct app_config_params *app_params)
 208 {
 209         int optind = 0;
 210         int opt;
 211         int opt_indx = 0;
 212         char *prgname = argv[0];
 213
 214         static struct option lgopts[] = {
 215                 { "enc_core_mask", required_argument, 0, 'e' },
 216                 { "dec_core_mask", required_argument, 0, 'd' },
 217                 { "port_id", required_argument, 0, 'p' },
 218                 { "bbdev_id", required_argument, 0, 'b' },
 219                 { NULL, 0, 0, 0 }
 220         };
 221
 222         BBDEV_ASSERT(argc != 0);
 223         BBDEV_ASSERT(argv != NULL);
 224         BBDEV_ASSERT(app_params != NULL);
 225
 226         while ((opt = getopt_long(argc, argv, "e:d:p:b:", lgopts, &opt_indx)) !=
 227                 EOF) {
 228                 switch (opt) {
 229                 case 'e':
 230                         app_params->enc_core_mask =
 231                                 bbdev_parse_mask(optarg);
 232                         if (app_params->enc_core_mask == 0) {
 233                                 usage(prgname);
 234                                 return -1;
 235                         }
 236                         app_params->num_enc_cores =
 237                                 __builtin_popcount(app_params->enc_core_mask);
 238                         break;
 239
 240                 case 'd':
 241                         app_params->dec_core_mask =
 242                                 bbdev_parse_mask(optarg);
 243                         if (app_params->dec_core_mask == 0) {
 244                                 usage(prgname);
 245                                 return -1;
 246                         }
 247                         app_params->num_dec_cores =
 248                                 __builtin_popcount(app_params->dec_core_mask);
 249                         break;
 250
 251                 case 'p':
 252                         app_params->port_id = bbdev_parse_number(optarg);
 253                         break;
 254
 255                 case 'b':
 256                         app_params->bbdev_id = bbdev_parse_number(optarg);
 257                         break;
 258
 259                 default:
 260                         usage(prgname);
 261                         return -1;
 262                 }
 263         }
 264         optind = 0;
 265         return optind;
 266 }
 267
 268 static void
 269 signal_handler(int signum)
 270 {
 271         printf("\nSignal %d received\n", signum);
 272         rte_atomic16_set(&global_exit_flag, 1);
 273 }
 274
 275 static void
 276 print_mac(unsigned int portid, struct rte_ether_addr *bbdev_ports_eth_address)
 277 {
 278         printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
 279                         (unsigned int) portid,
 280                         bbdev_ports_eth_address->addr_bytes[0],
 281                         bbdev_ports_eth_address->addr_bytes[1],
 282                         bbdev_ports_eth_address->addr_bytes[2],
 283                         bbdev_ports_eth_address->addr_bytes[3],
 284                         bbdev_ports_eth_address->addr_bytes[4],
 285                         bbdev_ports_eth_address->addr_bytes[5]);
 286 }
 287
 288 static inline void
 289 pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free)
 290 {
 291         unsigned int i;
 292         for (i = 0; i < nb_to_free; ++i)
 293                 rte_pktmbuf_free(mbufs[i]);
 294 }
 295
 296 static inline void
 297 pktmbuf_userdata_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free)
 298 {
 299         unsigned int i;
 300         for (i = 0; i < nb_to_free; ++i) {
 301                 struct rte_mbuf *rx_pkt = mbufs[i]->userdata;
 302                 rte_pktmbuf_free(rx_pkt);
 303                 rte_pktmbuf_free(mbufs[i]);
 304         }
 305 }
 306
 307 /* Check the link status of all ports in up to 9s, and print them finally */
 308 static int
 309 check_port_link_status(uint16_t port_id)
 310 {
 311 #define CHECK_INTERVAL 100 /* 100ms */
 312 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 313         uint8_t count;
 314         struct rte_eth_link link;
 315
 316         printf("\nChecking link status.");
 317         fflush(stdout);
 318
 319         for (count = 0; count <= MAX_CHECK_TIME &&
 320                         !rte_atomic16_read(&global_exit_flag); count++) {
 321                 memset(&link, 0, sizeof(link));
 322                 rte_eth_link_get_nowait(port_id, &link);
 323
 324                 if (link.link_status) {
 325                         const char *dp = (link.link_duplex ==
 326                                 ETH_LINK_FULL_DUPLEX) ?
 327                                 "full-duplex" : "half-duplex";
 328                         printf("\nPort %u Link Up - speed %u Mbps - %s\n",
 329                                 port_id, link.link_speed, dp);
 330                         return 0;
 331                 }
 332                 printf(".");
 333                 fflush(stdout);
 334                 rte_delay_ms(CHECK_INTERVAL);
 335         }
 336
 337         printf("\nPort %d Link Down\n", port_id);
 338         return 0;
 339 }
 340
 341 static inline void
 342 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst)
 343 {
 344         struct rte_ether_hdr *eth_from;
 345         struct rte_ether_hdr *eth_to;
 346
 347         eth_from = rte_pktmbuf_mtod(pkt_src, struct rte_ether_hdr *);
 348         eth_to = rte_pktmbuf_mtod(pkt_dst, struct rte_ether_hdr *);
 349
 350         /* copy header */
 351         rte_memcpy(eth_to, eth_from, sizeof(struct rte_ether_hdr));
 352 }
 353
 354 static inline void
 355 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts)
 356 {
 357         RTE_SET_USED(mbufs);
 358         RTE_SET_USED(num_pkts);
 359 }
 360
 361 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input
 362  * so each bit of the encoder output must be translated into one byte of LLR. If
 363  * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes
 364  * must additionally be insterted at the end of each sub-block.
 365  */
 366 static inline void
 367 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf,
 368                 uint16_t num_pkts, uint16_t k)
 369 {
 370         uint16_t i, l, j;
 371         uint16_t start_bit_idx;
 372         uint16_t out_idx;
 373         uint16_t d = k + 4;
 374         uint16_t kpi = RTE_ALIGN_CEIL(d, 32);
 375         uint16_t nd = kpi - d;
 376         uint16_t ncb = 3 * kpi;
 377
 378         for (i = 0; i < num_pkts; ++i) {
 379                 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) -
 380                                 sizeof(struct rte_ether_hdr);
 381
 382                 /* Resize the packet if needed */
 383                 if (pkt_data_len < ncb) {
 384                         char *data = rte_pktmbuf_append(mbufs[i],
 385                                         ncb - pkt_data_len);
 386                         if (data == NULL)
 387                                 printf(
 388                                         "Not enough space in decoder input packet");
 389                 }
 390
 391                 /* Translate each bit into 1 LLR byte. */
 392                 start_bit_idx = 0;
 393                 out_idx = 0;
 394                 for (j = 0; j < 3; ++j) {
 395                         for (l = start_bit_idx; l < start_bit_idx + d; ++l) {
 396                                 uint8_t *data = rte_pktmbuf_mtod_offset(
 397                                         mbufs[i], uint8_t *,
 398                                         sizeof(struct rte_ether_hdr) +
 399                                         (l >> 3));
 400                                 if (*data & (0x80 >> (l & 7)))
 401                                         temp_buf[out_idx] = LLR_1_BIT;
 402                                 else
 403                                         temp_buf[out_idx] = LLR_0_BIT;
 404                                 ++out_idx;
 405                         }
 406                         /* Padding bytes should be at the end of the sub-block.
 407                          */
 408                         memset(&temp_buf[out_idx], 0, nd);
 409                         out_idx += nd;
 410                         start_bit_idx += d;
 411                 }
 412
 413                 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *,
 414                                 sizeof(struct rte_ether_hdr)), temp_buf, ncb);
 415         }
 416 }
 417
 418 static inline void
 419 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts)
 420 {
 421         uint16_t i;
 422         for (i = 0; i < num_pkts; ++i) {
 423                 struct rte_mbuf *out = mbufs[i];
 424                 struct rte_mbuf *in = out->userdata;
 425
 426                 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *,
 427                                 sizeof(struct rte_ether_hdr)),
 428                                 rte_pktmbuf_mtod_offset(out, uint8_t *,
 429                                 sizeof(struct rte_ether_hdr)),
 430                                 K / 8 - CRC_24B_LEN))
 431                         printf("Input and output buffers are not equal!\n");
 432         }
 433 }
 434
 435 static int
 436 initialize_ports(struct app_config_params *app_params,
 437                 struct rte_mempool *ethdev_mbuf_mempool)
 438 {
 439         int ret;
 440         uint16_t port_id = app_params->port_id;
 441         uint16_t q;
 442         /* ethernet addresses of ports */
 443         struct rte_ether_addr bbdev_port_eth_addr;
 444
 445         /* initialize ports */
 446         printf("\nInitializing port %u...\n", app_params->port_id);
 447         ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores,
 448                 app_params->num_dec_cores, &port_conf);
 449
 450         if (ret < 0) {
 451                 printf("Cannot configure device: err=%d, port=%u\n",
 452                         ret, port_id);
 453                 return -1;
 454         }
 455
 456         /* initialize RX queues for encoder */
 457         for (q = 0; q < app_params->num_enc_cores; q++) {
 458                 ret = rte_eth_rx_queue_setup(port_id, q,
 459                         RTE_TEST_RX_DESC_DEFAULT,
 460                         rte_eth_dev_socket_id(port_id),
 461                         NULL, ethdev_mbuf_mempool);
 462                 if (ret < 0) {
 463                         printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n",
 464                                 ret, q);
 465                         return -1;
 466                 }
 467         }
 468         /* initialize TX queues for decoder */
 469         for (q = 0; q < app_params->num_dec_cores; q++) {
 470                 ret = rte_eth_tx_queue_setup(port_id, q,
 471                         RTE_TEST_TX_DESC_DEFAULT,
 472                         rte_eth_dev_socket_id(port_id), NULL);
 473                 if (ret < 0) {
 474                         printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n",
 475                                 ret, q);
 476                         return -1;
 477                 }
 478         }
 479
 480         ret = rte_eth_promiscuous_enable(port_id);
 481         if (ret != 0) {
 482                 printf("Cannot enable promiscuous mode: err=%s, port=%u\n",
 483                         rte_strerror(-ret), port_id);
 484                 return ret;
 485         }
 486
 487         rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr);
 488         print_mac(port_id, &bbdev_port_eth_addr);
 489
 490         return 0;
 491 }
 492
 493 static void
 494 lcore_conf_init(struct app_config_params *app_params,
 495                 struct lcore_conf *lcore_conf,
 496                 struct rte_mempool **bbdev_op_pools,
 497                 struct rte_mempool *bbdev_mbuf_mempool,
 498                 struct rte_ring *enc_to_dec_ring,
 499                 struct lcore_statistics *lcore_stats)
 500 {
 501         unsigned int lcore_id;
 502         struct lcore_conf *lconf;
 503         uint16_t rx_queue_id = 0;
 504         uint16_t tx_queue_id = 0;
 505         uint16_t enc_q_id = 0;
 506         uint16_t dec_q_id = 0;
 507
 508         /* Configure lcores */
 509         for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) {
 510                 lconf = &lcore_conf[lcore_id];
 511                 lconf->core_type = 0;
 512
 513                 if ((1ULL << lcore_id) & app_params->enc_core_mask) {
 514                         lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC);
 515                         lconf->rx_queue_id = rx_queue_id++;
 516                         lconf->enc_queue_id =
 517                                         app_params->enc_queue_ids[enc_q_id++];
 518                 }
 519
 520                 if ((1ULL << lcore_id) & app_params->dec_core_mask) {
 521                         lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC);
 522                         lconf->tx_queue_id = tx_queue_id++;
 523                         lconf->dec_queue_id =
 524                                         app_params->dec_queue_ids[dec_q_id++];
 525                 }
 526
 527                 lconf->bbdev_enc_op_pool =
 528                                 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC];
 529                 lconf->bbdev_dec_op_pool =
 530                                 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC];
 531                 lconf->bbdev_id = app_params->bbdev_id;
 532                 lconf->port_id = app_params->port_id;
 533                 lconf->enc_out_pool = bbdev_mbuf_mempool;
 534                 lconf->enc_to_dec_ring = enc_to_dec_ring;
 535                 lconf->lcore_stats = &lcore_stats[lcore_id];
 536         }
 537 }
 538
 539 static void
 540 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id)
 541 {
 542         static const char *stats_border = "_______";
 543
 544         printf("\nLcore %d: %s enqueued count:\t\t%u\n",
 545                         lcore_id, stats_border, lstats->enqueued);
 546         printf("Lcore %d: %s dequeued count:\t\t%u\n",
 547                         lcore_id, stats_border, lstats->dequeued);
 548         printf("Lcore %d: %s RX lost packets count:\t\t%u\n",
 549                         lcore_id, stats_border, lstats->rx_lost_packets);
 550         printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n",
 551                         lcore_id, stats_border,
 552                         lstats->enc_to_dec_lost_packets);
 553         printf("Lcore %d: %s TX lost packets count:\t\t%u\n",
 554                         lcore_id, stats_border, lstats->tx_lost_packets);
 555 }
 556
 557 static void
 558 print_stats(struct stats_lcore_params *stats_lcore)
 559 {
 560         unsigned int l_id;
 561         unsigned int bbdev_id = stats_lcore->app_params->bbdev_id;
 562         unsigned int port_id = stats_lcore->app_params->port_id;
 563         int len, ret, i;
 564
 565         struct rte_eth_xstat *xstats;
 566         struct rte_eth_xstat_name *xstats_names;
 567         struct rte_bbdev_stats bbstats;
 568         static const char *stats_border = "_______";
 569
 570         const char clr[] = { 27, '[', '2', 'J', '\0' };
 571         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 572
 573         /* Clear screen and move to top left */
 574         printf("%s%s", clr, topLeft);
 575
 576         printf("PORT STATISTICS:\n================\n");
 577         len = rte_eth_xstats_get(port_id, NULL, 0);
 578         if (len < 0)
 579                 rte_exit(EXIT_FAILURE,
 580                                 "rte_eth_xstats_get(%u) failed: %d", port_id,
 581                                 len);
 582
 583         xstats = calloc(len, sizeof(*xstats));
 584         if (xstats == NULL)
 585                 rte_exit(EXIT_FAILURE,
 586                                 "Failed to calloc memory for xstats");
 587
 588         ret = rte_eth_xstats_get(port_id, xstats, len);
 589         if (ret < 0 || ret > len) {
 590                 free(xstats);
 591                 rte_exit(EXIT_FAILURE,
 592                                 "rte_eth_xstats_get(%u) len%i failed: %d",
 593                                 port_id, len, ret);
 594         }
 595
 596         xstats_names = calloc(len, sizeof(*xstats_names));
 597         if (xstats_names == NULL) {
 598                 free(xstats);
 599                 rte_exit(EXIT_FAILURE,
 600                                 "Failed to calloc memory for xstats_names");
 601         }
 602
 603         ret = rte_eth_xstats_get_names(port_id, xstats_names, len);
 604         if (ret < 0 || ret > len) {
 605                 free(xstats);
 606                 free(xstats_names);
 607                 rte_exit(EXIT_FAILURE,
 608                                 "rte_eth_xstats_get_names(%u) len%i failed: %d",
 609                                 port_id, len, ret);
 610         }
 611
 612         for (i = 0; i < len; i++) {
 613                 if (xstats[i].value > 0)
 614                         printf("Port %u: %s %s:\t\t%"PRIu64"\n",
 615                                         port_id, stats_border,
 616                                         xstats_names[i].name,
 617                                         xstats[i].value);
 618         }
 619
 620         ret = rte_bbdev_stats_get(bbdev_id, &bbstats);
 621         if (ret < 0) {
 622                 free(xstats);
 623                 free(xstats_names);
 624                 rte_exit(EXIT_FAILURE,
 625                                 "ERROR(%d): Failure to get BBDEV %u statistics\n",
 626                                 ret, bbdev_id);
 627         }
 628
 629         printf("\nBBDEV STATISTICS:\n=================\n");
 630         printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n",
 631                         bbdev_id, stats_border,
 632                         bbstats.enqueued_count);
 633         printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n",
 634                         bbdev_id, stats_border,
 635                         bbstats.dequeued_count);
 636         printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n",
 637                         bbdev_id, stats_border,
 638                         bbstats.enqueue_err_count);
 639         printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n",
 640                         bbdev_id, stats_border,
 641                         bbstats.dequeue_err_count);
 642
 643         printf("LCORE STATISTICS:\n=================\n");
 644         for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) {
 645                 if (stats_lcore->lconf[l_id].core_type == 0)
 646                         continue;
 647                 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id);
 648         }
 649
 650         free(xstats);
 651         free(xstats_names);
 652 }
 653
 654 static int
 655 stats_loop(void *arg)
 656 {
 657         struct stats_lcore_params *stats_lcore = arg;
 658
 659         while (!rte_atomic16_read(&global_exit_flag)) {
 660                 print_stats(stats_lcore);
 661                 rte_delay_ms(500);
 662         }
 663
 664         return 0;
 665 }
 666
 667 static inline void
 668 run_encoding(struct lcore_conf *lcore_conf)
 669 {
 670         uint16_t i;
 671         uint16_t port_id, rx_queue_id;
 672         uint16_t bbdev_id, enc_queue_id;
 673         uint16_t nb_rx, nb_enq, nb_deq, nb_sent;
 674         struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST];
 675         struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST];
 676         struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST];
 677         struct lcore_statistics *lcore_stats;
 678         struct rte_mempool *bbdev_op_pool, *enc_out_pool;
 679         struct rte_ring *enc_to_dec_ring;
 680         const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN;
 681
 682         lcore_stats = lcore_conf->lcore_stats;
 683         port_id = lcore_conf->port_id;
 684         rx_queue_id = lcore_conf->rx_queue_id;
 685         bbdev_id = lcore_conf->bbdev_id;
 686         enc_queue_id = lcore_conf->enc_queue_id;
 687         bbdev_op_pool = lcore_conf->bbdev_enc_op_pool;
 688         enc_out_pool = lcore_conf->enc_out_pool;
 689         enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
 690
 691         /* Read packet from RX queues*/
 692         nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst,
 693                         MAX_PKT_BURST);
 694         if (!nb_rx)
 695                 return;
 696
 697         if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts,
 698                         nb_rx) != 0)) {
 699                 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
 700                 lcore_stats->rx_lost_packets += nb_rx;
 701                 return;
 702         }
 703
 704         if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
 705                         nb_rx) != 0)) {
 706                 pktmbuf_free_bulk(enc_out_pkts, nb_rx);
 707                 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
 708                 lcore_stats->rx_lost_packets += nb_rx;
 709                 return;
 710         }
 711
 712         for (i = 0; i < nb_rx; i++) {
 713                 char *data;
 714                 const uint16_t pkt_data_len =
 715                                 rte_pktmbuf_data_len(rx_pkts_burst[i]) -
 716                                 sizeof(struct rte_ether_hdr);
 717                 /* save input mbuf pointer for later comparison */
 718                 enc_out_pkts[i]->userdata = rx_pkts_burst[i];
 719
 720                 /* copy ethernet header */
 721                 rte_pktmbuf_reset(enc_out_pkts[i]);
 722                 data = rte_pktmbuf_append(enc_out_pkts[i],
 723                                 sizeof(struct rte_ether_hdr));
 724                 if (data == NULL) {
 725                         printf(
 726                                 "Not enough space for ethernet header in encoder output mbuf\n");
 727                         continue;
 728                 }
 729                 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]);
 730
 731                 /* set op */
 732                 bbdev_ops_burst[i]->turbo_enc = def_op_enc;
 733
 734                 bbdev_ops_burst[i]->turbo_enc.input.data =
 735                                 rx_pkts_burst[i];
 736                 bbdev_ops_burst[i]->turbo_enc.input.offset =
 737                                 sizeof(struct rte_ether_hdr);
 738                 /* Encoder will attach the CRC24B, adjust the length */
 739                 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len;
 740
 741                 if (in_data_len < pkt_data_len)
 742                         rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len -
 743                                         in_data_len);
 744                 else if (in_data_len > pkt_data_len) {
 745                         data = rte_pktmbuf_append(rx_pkts_burst[i],
 746                                         in_data_len - pkt_data_len);
 747                         if (data == NULL)
 748                                 printf(
 749                                         "Not enough storage in mbuf to perform the encoding\n");
 750                 }
 751
 752                 bbdev_ops_burst[i]->turbo_enc.output.data =
 753                                 enc_out_pkts[i];
 754                 bbdev_ops_burst[i]->turbo_enc.output.offset =
 755                                 sizeof(struct rte_ether_hdr);
 756         }
 757
 758         /* Enqueue packets on BBDevice */
 759         nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id,
 760                         bbdev_ops_burst, nb_rx);
 761         if (unlikely(nb_enq < nb_rx)) {
 762                 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq],
 763                                 nb_rx - nb_enq);
 764                 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq],
 765                                 nb_rx - nb_enq);
 766                 lcore_stats->rx_lost_packets += nb_rx - nb_enq;
 767
 768                 if (!nb_enq)
 769                         return;
 770         }
 771
 772         lcore_stats->enqueued += nb_enq;
 773
 774         /* Dequeue packets from bbdev device*/
 775         nb_deq = 0;
 776         do {
 777                 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id,
 778                                 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
 779         } while (unlikely(nb_deq < nb_enq));
 780
 781         lcore_stats->dequeued += nb_deq;
 782
 783         /* Generate and add AWGN */
 784         add_awgn(enc_out_pkts, nb_deq);
 785
 786         rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq);
 787
 788         /* Enqueue packets to encoder-to-decoder ring */
 789         nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts,
 790                         nb_deq, NULL);
 791         if (unlikely(nb_sent < nb_deq)) {
 792                 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent],
 793                                 nb_deq - nb_sent);
 794                 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent;
 795         }
 796 }
 797
 798 static void
 799 run_decoding(struct lcore_conf *lcore_conf)
 800 {
 801         uint16_t i;
 802         uint16_t port_id, tx_queue_id;
 803         uint16_t bbdev_id, bbdev_queue_id;
 804         uint16_t nb_recv, nb_enq, nb_deq, nb_tx;
 805         uint8_t *llr_temp_buf;
 806         struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST];
 807         struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST];
 808         struct lcore_statistics *lcore_stats;
 809         struct rte_mempool *bbdev_op_pool;
 810         struct rte_ring *enc_to_dec_ring;
 811
 812         lcore_stats = lcore_conf->lcore_stats;
 813         port_id = lcore_conf->port_id;
 814         tx_queue_id = lcore_conf->tx_queue_id;
 815         bbdev_id = lcore_conf->bbdev_id;
 816         bbdev_queue_id = lcore_conf->dec_queue_id;
 817         bbdev_op_pool = lcore_conf->bbdev_dec_op_pool;
 818         enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
 819         llr_temp_buf = lcore_conf->llr_temp_buf;
 820
 821         /* Dequeue packets from the ring */
 822         nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring,
 823                         (void **)recv_pkts_burst, MAX_PKT_BURST, NULL);
 824         if (!nb_recv)
 825                 return;
 826
 827         if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
 828                         nb_recv) != 0)) {
 829                 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv);
 830                 lcore_stats->rx_lost_packets += nb_recv;
 831                 return;
 832         }
 833
 834         transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv,
 835                         def_op_dec.cb_params.k);
 836
 837         for (i = 0; i < nb_recv; i++) {
 838                 /* set op */
 839                 bbdev_ops_burst[i]->turbo_dec = def_op_dec;
 840
 841                 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i];
 842                 bbdev_ops_burst[i]->turbo_dec.input.offset =
 843                                 sizeof(struct rte_ether_hdr);
 844                 bbdev_ops_burst[i]->turbo_dec.input.length =
 845                                 rte_pktmbuf_data_len(recv_pkts_burst[i])
 846                                 - sizeof(struct rte_ether_hdr);
 847
 848                 bbdev_ops_burst[i]->turbo_dec.hard_output.data =
 849                                 recv_pkts_burst[i];
 850                 bbdev_ops_burst[i]->turbo_dec.hard_output.offset =
 851                                 sizeof(struct rte_ether_hdr);
 852         }
 853
 854         /* Enqueue packets on BBDevice */
 855         nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id,
 856                         bbdev_ops_burst, nb_recv);
 857         if (unlikely(nb_enq < nb_recv)) {
 858                 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq],
 859                                 nb_recv - nb_enq);
 860                 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq],
 861                                 nb_recv - nb_enq);
 862                 lcore_stats->rx_lost_packets += nb_recv - nb_enq;
 863
 864                 if (!nb_enq)
 865                         return;
 866         }
 867
 868         lcore_stats->enqueued += nb_enq;
 869
 870         /* Dequeue packets from BBDevice */
 871         nb_deq = 0;
 872         do {
 873                 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id,
 874                                 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
 875         } while (unlikely(nb_deq < nb_enq));
 876
 877         lcore_stats->dequeued += nb_deq;
 878
 879         rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq);
 880
 881         verify_data(recv_pkts_burst, nb_deq);
 882
 883         /* Free the RX mbufs after verification */
 884         for (i = 0; i < nb_deq; ++i)
 885                 rte_pktmbuf_free(recv_pkts_burst[i]->userdata);
 886
 887         /* Transmit the packets */
 888         nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq);
 889         if (unlikely(nb_tx < nb_deq)) {
 890                 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx],
 891                                 nb_deq - nb_tx);
 892                 lcore_stats->tx_lost_packets += nb_deq - nb_tx;
 893         }
 894 }
 895
 896 static int
 897 processing_loop(void *arg)
 898 {
 899         struct lcore_conf *lcore_conf = arg;
 900         const bool run_encoder = (lcore_conf->core_type &
 901                         (1 << RTE_BBDEV_OP_TURBO_ENC));
 902         const bool run_decoder = (lcore_conf->core_type &
 903                         (1 << RTE_BBDEV_OP_TURBO_DEC));
 904
 905         while (!rte_atomic16_read(&global_exit_flag)) {
 906                 if (run_encoder)
 907                         run_encoding(lcore_conf);
 908                 if (run_decoder)
 909                         run_decoding(lcore_conf);
 910         }
 911
 912         return 0;
 913 }
 914
 915 static int
 916 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info,
 917                 struct app_config_params *app_params)
 918 {
 919         int ret;
 920         unsigned int q_id, dec_q_id, enc_q_id;
 921         struct rte_bbdev_queue_conf qconf = {0};
 922         uint16_t dec_qs_nb = app_params->num_dec_cores;
 923         uint16_t enc_qs_nb = app_params->num_enc_cores;
 924         uint16_t tot_qs = dec_qs_nb + enc_qs_nb;
 925
 926         ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id);
 927         if (ret < 0)
 928                 rte_exit(EXIT_FAILURE,
 929                                 "ERROR(%d): BBDEV %u not configured properly\n",
 930                                 ret, dev_id);
 931
 932         /* setup device DEC queues */
 933         qconf.socket = info->socket_id;
 934         qconf.queue_size = info->drv.queue_size_lim;
 935         qconf.op_type = RTE_BBDEV_OP_TURBO_DEC;
 936
 937         for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) {
 938                 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
 939                 if (ret < 0)
 940                         rte_exit(EXIT_FAILURE,
 941                                         "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n",
 942                                         ret, dev_id, q_id);
 943                 app_params->dec_queue_ids[dec_q_id++] = q_id;
 944         }
 945
 946         /* setup device ENC queues */
 947         qconf.op_type = RTE_BBDEV_OP_TURBO_ENC;
 948
 949         for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) {
 950                 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
 951                 if (ret < 0)
 952                         rte_exit(EXIT_FAILURE,
 953                                         "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n",
 954                                         ret, dev_id, q_id);
 955                 app_params->enc_queue_ids[enc_q_id++] = q_id;
 956         }
 957
 958         ret = rte_bbdev_start(dev_id);
 959
 960         if (ret != 0)
 961                 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n",
 962                         ret, dev_id);
 963
 964         printf("BBdev %u started\n", dev_id);
 965
 966         return 0;
 967 }
 968
 969 static inline bool
 970 check_matching_capabilities(uint64_t mask, uint64_t required_mask)
 971 {
 972         return (mask & required_mask) == required_mask;
 973 }
 974
 975 static void
 976 enable_bbdev(struct app_config_params *app_params)
 977 {
 978         struct rte_bbdev_info dev_info;
 979         const struct rte_bbdev_op_cap *op_cap;
 980         uint16_t bbdev_id = app_params->bbdev_id;
 981         bool encoder_capable = false;
 982         bool decoder_capable = false;
 983
 984         rte_bbdev_info_get(bbdev_id, &dev_info);
 985         op_cap = dev_info.drv.capabilities;
 986
 987         while (op_cap->type != RTE_BBDEV_OP_NONE) {
 988                 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) {
 989                         if (check_matching_capabilities(
 990                                         op_cap->cap.turbo_enc.capability_flags,
 991                                         def_op_enc.op_flags))
 992                                 encoder_capable = true;
 993                 }
 994
 995                 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) {
 996                         if (check_matching_capabilities(
 997                                         op_cap->cap.turbo_dec.capability_flags,
 998                                         def_op_dec.op_flags))
 999                                 decoder_capable = true;
1000                 }
1001
1002                 op_cap++;
1003         }
1004
1005         if (encoder_capable == false)
1006                 rte_exit(EXIT_FAILURE,
1007                         "The specified BBDev %u doesn't have required encoder capabilities!\n",
1008                         bbdev_id);
1009         if (decoder_capable == false)
1010                 rte_exit(EXIT_FAILURE,
1011                         "The specified BBDev %u doesn't have required decoder capabilities!\n",
1012                         bbdev_id);
1013
1014         prepare_bbdev_device(bbdev_id, &dev_info, app_params);
1015 }
1016
1017 int
1018 main(int argc, char **argv)
1019 {
1020         int ret;
1021         unsigned int nb_bbdevs, flags, lcore_id;
1022         void *sigret;
1023         struct app_config_params app_params = def_app_config;
1024         struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool;
1025         struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT];
1026         struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} };
1027         struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} };
1028         struct stats_lcore_params stats_lcore;
1029         struct rte_ring *enc_to_dec_ring;
1030         bool stats_thread_started = false;
1031         unsigned int master_lcore_id = rte_get_master_lcore();
1032
1033         rte_atomic16_init(&global_exit_flag);
1034
1035         sigret = signal(SIGTERM, signal_handler);
1036         if (sigret == SIG_ERR)
1037                 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM);
1038
1039         sigret = signal(SIGINT, signal_handler);
1040         if (sigret == SIG_ERR)
1041                 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT);
1042
1043         ret = rte_eal_init(argc, argv);
1044         if (ret < 0)
1045                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1046
1047         argc -= ret;
1048         argv += ret;
1049
1050         /* parse application arguments (after the EAL ones) */
1051         ret = bbdev_parse_args(argc, argv, &app_params);
1052         if (ret < 0)
1053                 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n");
1054
1055         /*create bbdev op pools*/
1056         bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] =
1057                         rte_bbdev_op_pool_create("bbdev_op_pool_dec",
1058                         RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id());
1059         bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] =
1060                         rte_bbdev_op_pool_create("bbdev_op_pool_enc",
1061                         RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id());
1062
1063         if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) ||
1064                         (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL))
1065                 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n");
1066
1067         /* Create encoder to decoder ring */
1068         flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0;
1069         if (app_params.num_dec_cores == 1)
1070                 flags |= RING_F_SC_DEQ;
1071
1072         enc_to_dec_ring = rte_ring_create("enc_to_dec_ring",
1073                 rte_align32pow2(NB_MBUF), rte_socket_id(), flags);
1074
1075         /* Get the number of available bbdev devices */
1076         nb_bbdevs = rte_bbdev_count();
1077         if (nb_bbdevs <= app_params.bbdev_id)
1078                 rte_exit(EXIT_FAILURE,
1079                                 "%u BBDevs detected, cannot use BBDev with ID %u!\n",
1080                                 nb_bbdevs, app_params.bbdev_id);
1081         printf("Number of bbdevs detected: %d\n", nb_bbdevs);
1082
1083         if (!rte_eth_dev_is_valid_port(app_params.port_id))
1084                 rte_exit(EXIT_FAILURE,
1085                                 "cannot use port with ID %u!\n",
1086                                 app_params.port_id);
1087
1088         /* create the mbuf mempool for ethdev pkts */
1089         ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool",
1090                         NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1091                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1092         if (ethdev_mbuf_mempool == NULL)
1093                 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1094
1095         /* create the mbuf mempool for encoder output */
1096         bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool",
1097                         NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1098                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1099         if (bbdev_mbuf_mempool == NULL)
1100                 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1101
1102         /* initialize ports */
1103         ret = initialize_ports(&app_params, ethdev_mbuf_mempool);
1104
1105         /* Check if all requested lcores are available */
1106         for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id)
1107                 if (((1ULL << lcore_id) & app_params.enc_core_mask) ||
1108                                 ((1ULL << lcore_id) & app_params.dec_core_mask))
1109                         if (!rte_lcore_is_enabled(lcore_id))
1110                                 rte_exit(EXIT_FAILURE,
1111                                                 "Requested lcore_id %u is not enabled!\n",
1112                                                 lcore_id);
1113
1114         /* Start ethernet port */
1115         ret = rte_eth_dev_start(app_params.port_id);
1116         if (ret < 0)
1117                 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
1118                                 ret, app_params.port_id);
1119
1120         ret = check_port_link_status(app_params.port_id);
1121         if (ret < 0)
1122                 exit(EXIT_FAILURE);
1123
1124         /* start BBDevice and save BBDev queue IDs */
1125         enable_bbdev(&app_params);
1126
1127         /* Initialize the port/queue configuration of each logical core */
1128         lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools,
1129                         bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats);
1130
1131         stats_lcore.app_params = &app_params;
1132         stats_lcore.lconf = lcore_conf;
1133
1134         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1135                 if (lcore_conf[lcore_id].core_type != 0)
1136                         /* launch per-lcore processing loop on slave lcores */
1137                         rte_eal_remote_launch(processing_loop,
1138                                         &lcore_conf[lcore_id], lcore_id);
1139                 else if (!stats_thread_started) {
1140                         /* launch statistics printing loop */
1141                         rte_eal_remote_launch(stats_loop, &stats_lcore,
1142                                         lcore_id);
1143                         stats_thread_started = true;
1144                 }
1145         }
1146
1147         if (!stats_thread_started &&
1148                         lcore_conf[master_lcore_id].core_type != 0)
1149                 rte_exit(EXIT_FAILURE,
1150                                 "Not enough lcores to run the statistics printing loop!");
1151         else if (lcore_conf[master_lcore_id].core_type != 0)
1152                 processing_loop(&lcore_conf[master_lcore_id]);
1153         else if (!stats_thread_started)
1154                 stats_loop(&stats_lcore);
1155
1156         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1157                 ret |= rte_eal_wait_lcore(lcore_id);
1158         }
1159
1160         return ret;
1161 }