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 = 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 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 ether_hdr *eth_from;
 345         struct ether_hdr *eth_to;
 346
 347         eth_from = rte_pktmbuf_mtod(pkt_src, struct ether_hdr *);
 348         eth_to = rte_pktmbuf_mtod(pkt_dst, struct ether_hdr *);
 349
 350         /* copy header */
 351         rte_memcpy(eth_to, eth_from, sizeof(struct 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 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 ether_hdr) + (l >> 3));
 399                                 if (*data & (0x80 >> (l & 7)))
 400                                         temp_buf[out_idx] = LLR_1_BIT;
 401                                 else
 402                                         temp_buf[out_idx] = LLR_0_BIT;
 403                                 ++out_idx;
 404                         }
 405                         /* Padding bytes should be at the end of the sub-block.
 406                          */
 407                         memset(&temp_buf[out_idx], 0, nd);
 408                         out_idx += nd;
 409                         start_bit_idx += d;
 410                 }
 411
 412                 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *,
 413                                 sizeof(struct ether_hdr)), temp_buf, ncb);
 414         }
 415 }
 416
 417 static inline void
 418 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts)
 419 {
 420         uint16_t i;
 421         for (i = 0; i < num_pkts; ++i) {
 422                 struct rte_mbuf *out = mbufs[i];
 423                 struct rte_mbuf *in = out->userdata;
 424
 425                 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *,
 426                                 sizeof(struct ether_hdr)),
 427                                 rte_pktmbuf_mtod_offset(out, uint8_t *,
 428                                 sizeof(struct ether_hdr)),
 429                                 K / 8 - CRC_24B_LEN))
 430                         printf("Input and output buffers are not equal!\n");
 431         }
 432 }
 433
 434 static int
 435 initialize_ports(struct app_config_params *app_params,
 436                 struct rte_mempool *ethdev_mbuf_mempool)
 437 {
 438         int ret;
 439         uint16_t port_id = app_params->port_id;
 440         uint16_t q;
 441         /* ethernet addresses of ports */
 442         struct ether_addr bbdev_port_eth_addr;
 443
 444         /* initialize ports */
 445         printf("\nInitializing port %u...\n", app_params->port_id);
 446         ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores,
 447                 app_params->num_dec_cores, &port_conf);
 448
 449         if (ret < 0) {
 450                 printf("Cannot configure device: err=%d, port=%u\n",
 451                         ret, port_id);
 452                 return -1;
 453         }
 454
 455         /* initialize RX queues for encoder */
 456         for (q = 0; q < app_params->num_enc_cores; q++) {
 457                 ret = rte_eth_rx_queue_setup(port_id, q,
 458                         RTE_TEST_RX_DESC_DEFAULT,
 459                         rte_eth_dev_socket_id(port_id),
 460                         NULL, ethdev_mbuf_mempool);
 461                 if (ret < 0) {
 462                         printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n",
 463                                 ret, q);
 464                         return -1;
 465                 }
 466         }
 467         /* initialize TX queues for decoder */
 468         for (q = 0; q < app_params->num_dec_cores; q++) {
 469                 ret = rte_eth_tx_queue_setup(port_id, q,
 470                         RTE_TEST_TX_DESC_DEFAULT,
 471                         rte_eth_dev_socket_id(port_id), NULL);
 472                 if (ret < 0) {
 473                         printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n",
 474                                 ret, q);
 475                         return -1;
 476                 }
 477         }
 478
 479         rte_eth_promiscuous_enable(port_id);
 480
 481         rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr);
 482         print_mac(port_id, &bbdev_port_eth_addr);
 483
 484         return 0;
 485 }
 486
 487 static void
 488 lcore_conf_init(struct app_config_params *app_params,
 489                 struct lcore_conf *lcore_conf,
 490                 struct rte_mempool **bbdev_op_pools,
 491                 struct rte_mempool *bbdev_mbuf_mempool,
 492                 struct rte_ring *enc_to_dec_ring,
 493                 struct lcore_statistics *lcore_stats)
 494 {
 495         unsigned int lcore_id;
 496         struct lcore_conf *lconf;
 497         uint16_t rx_queue_id = 0;
 498         uint16_t tx_queue_id = 0;
 499         uint16_t enc_q_id = 0;
 500         uint16_t dec_q_id = 0;
 501
 502         /* Configure lcores */
 503         for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) {
 504                 lconf = &lcore_conf[lcore_id];
 505                 lconf->core_type = 0;
 506
 507                 if ((1ULL << lcore_id) & app_params->enc_core_mask) {
 508                         lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC);
 509                         lconf->rx_queue_id = rx_queue_id++;
 510                         lconf->enc_queue_id =
 511                                         app_params->enc_queue_ids[enc_q_id++];
 512                 }
 513
 514                 if ((1ULL << lcore_id) & app_params->dec_core_mask) {
 515                         lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC);
 516                         lconf->tx_queue_id = tx_queue_id++;
 517                         lconf->dec_queue_id =
 518                                         app_params->dec_queue_ids[dec_q_id++];
 519                 }
 520
 521                 lconf->bbdev_enc_op_pool =
 522                                 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC];
 523                 lconf->bbdev_dec_op_pool =
 524                                 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC];
 525                 lconf->bbdev_id = app_params->bbdev_id;
 526                 lconf->port_id = app_params->port_id;
 527                 lconf->enc_out_pool = bbdev_mbuf_mempool;
 528                 lconf->enc_to_dec_ring = enc_to_dec_ring;
 529                 lconf->lcore_stats = &lcore_stats[lcore_id];
 530         }
 531 }
 532
 533 static void
 534 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id)
 535 {
 536         static const char *stats_border = "_______";
 537
 538         printf("\nLcore %d: %s enqueued count:\t\t%u\n",
 539                         lcore_id, stats_border, lstats->enqueued);
 540         printf("Lcore %d: %s dequeued count:\t\t%u\n",
 541                         lcore_id, stats_border, lstats->dequeued);
 542         printf("Lcore %d: %s RX lost packets count:\t\t%u\n",
 543                         lcore_id, stats_border, lstats->rx_lost_packets);
 544         printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n",
 545                         lcore_id, stats_border,
 546                         lstats->enc_to_dec_lost_packets);
 547         printf("Lcore %d: %s TX lost packets count:\t\t%u\n",
 548                         lcore_id, stats_border, lstats->tx_lost_packets);
 549 }
 550
 551 static void
 552 print_stats(struct stats_lcore_params *stats_lcore)
 553 {
 554         unsigned int l_id;
 555         unsigned int bbdev_id = stats_lcore->app_params->bbdev_id;
 556         unsigned int port_id = stats_lcore->app_params->port_id;
 557         int len, ret, i;
 558
 559         struct rte_eth_xstat *xstats;
 560         struct rte_eth_xstat_name *xstats_names;
 561         struct rte_bbdev_stats bbstats;
 562         static const char *stats_border = "_______";
 563
 564         const char clr[] = { 27, '[', '2', 'J', '\0' };
 565         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 566
 567         /* Clear screen and move to top left */
 568         printf("%s%s", clr, topLeft);
 569
 570         printf("PORT STATISTICS:\n================\n");
 571         len = rte_eth_xstats_get(port_id, NULL, 0);
 572         if (len < 0)
 573                 rte_exit(EXIT_FAILURE,
 574                                 "rte_eth_xstats_get(%u) failed: %d", port_id,
 575                                 len);
 576
 577         xstats = calloc(len, sizeof(*xstats));
 578         if (xstats == NULL)
 579                 rte_exit(EXIT_FAILURE,
 580                                 "Failed to calloc memory for xstats");
 581
 582         ret = rte_eth_xstats_get(port_id, xstats, len);
 583         if (ret < 0 || ret > len) {
 584                 free(xstats);
 585                 rte_exit(EXIT_FAILURE,
 586                                 "rte_eth_xstats_get(%u) len%i failed: %d",
 587                                 port_id, len, ret);
 588         }
 589
 590         xstats_names = calloc(len, sizeof(*xstats_names));
 591         if (xstats_names == NULL) {
 592                 free(xstats);
 593                 rte_exit(EXIT_FAILURE,
 594                                 "Failed to calloc memory for xstats_names");
 595         }
 596
 597         ret = rte_eth_xstats_get_names(port_id, xstats_names, len);
 598         if (ret < 0 || ret > len) {
 599                 free(xstats);
 600                 free(xstats_names);
 601                 rte_exit(EXIT_FAILURE,
 602                                 "rte_eth_xstats_get_names(%u) len%i failed: %d",
 603                                 port_id, len, ret);
 604         }
 605
 606         for (i = 0; i < len; i++) {
 607                 if (xstats[i].value > 0)
 608                         printf("Port %u: %s %s:\t\t%"PRIu64"\n",
 609                                         port_id, stats_border,
 610                                         xstats_names[i].name,
 611                                         xstats[i].value);
 612         }
 613
 614         ret = rte_bbdev_stats_get(bbdev_id, &bbstats);
 615         if (ret < 0) {
 616                 free(xstats);
 617                 free(xstats_names);
 618                 rte_exit(EXIT_FAILURE,
 619                                 "ERROR(%d): Failure to get BBDEV %u statistics\n",
 620                                 ret, bbdev_id);
 621         }
 622
 623         printf("\nBBDEV STATISTICS:\n=================\n");
 624         printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n",
 625                         bbdev_id, stats_border,
 626                         bbstats.enqueued_count);
 627         printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n",
 628                         bbdev_id, stats_border,
 629                         bbstats.dequeued_count);
 630         printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n",
 631                         bbdev_id, stats_border,
 632                         bbstats.enqueue_err_count);
 633         printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n",
 634                         bbdev_id, stats_border,
 635                         bbstats.dequeue_err_count);
 636
 637         printf("LCORE STATISTICS:\n=================\n");
 638         for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) {
 639                 if (stats_lcore->lconf[l_id].core_type == 0)
 640                         continue;
 641                 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id);
 642         }
 643
 644         free(xstats);
 645         free(xstats_names);
 646 }
 647
 648 static int
 649 stats_loop(void *arg)
 650 {
 651         struct stats_lcore_params *stats_lcore = arg;
 652
 653         while (!rte_atomic16_read(&global_exit_flag)) {
 654                 print_stats(stats_lcore);
 655                 rte_delay_ms(500);
 656         }
 657
 658         return 0;
 659 }
 660
 661 static inline void
 662 run_encoding(struct lcore_conf *lcore_conf)
 663 {
 664         uint16_t i;
 665         uint16_t port_id, rx_queue_id;
 666         uint16_t bbdev_id, enc_queue_id;
 667         uint16_t nb_rx, nb_enq, nb_deq, nb_sent;
 668         struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST];
 669         struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST];
 670         struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST];
 671         struct lcore_statistics *lcore_stats;
 672         struct rte_mempool *bbdev_op_pool, *enc_out_pool;
 673         struct rte_ring *enc_to_dec_ring;
 674         const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN;
 675
 676         lcore_stats = lcore_conf->lcore_stats;
 677         port_id = lcore_conf->port_id;
 678         rx_queue_id = lcore_conf->rx_queue_id;
 679         bbdev_id = lcore_conf->bbdev_id;
 680         enc_queue_id = lcore_conf->enc_queue_id;
 681         bbdev_op_pool = lcore_conf->bbdev_enc_op_pool;
 682         enc_out_pool = lcore_conf->enc_out_pool;
 683         enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
 684
 685         /* Read packet from RX queues*/
 686         nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst,
 687                         MAX_PKT_BURST);
 688         if (!nb_rx)
 689                 return;
 690
 691         if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts,
 692                         nb_rx) != 0)) {
 693                 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
 694                 lcore_stats->rx_lost_packets += nb_rx;
 695                 return;
 696         }
 697
 698         if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
 699                         nb_rx) != 0)) {
 700                 pktmbuf_free_bulk(enc_out_pkts, nb_rx);
 701                 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
 702                 lcore_stats->rx_lost_packets += nb_rx;
 703                 return;
 704         }
 705
 706         for (i = 0; i < nb_rx; i++) {
 707                 char *data;
 708                 const uint16_t pkt_data_len =
 709                                 rte_pktmbuf_data_len(rx_pkts_burst[i]) -
 710                                 sizeof(struct ether_hdr);
 711                 /* save input mbuf pointer for later comparison */
 712                 enc_out_pkts[i]->userdata = rx_pkts_burst[i];
 713
 714                 /* copy ethernet header */
 715                 rte_pktmbuf_reset(enc_out_pkts[i]);
 716                 data = rte_pktmbuf_append(enc_out_pkts[i],
 717                                 sizeof(struct ether_hdr));
 718                 if (data == NULL) {
 719                         printf(
 720                                 "Not enough space for ethernet header in encoder output mbuf\n");
 721                         continue;
 722                 }
 723                 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]);
 724
 725                 /* set op */
 726                 bbdev_ops_burst[i]->turbo_enc = def_op_enc;
 727
 728                 bbdev_ops_burst[i]->turbo_enc.input.data =
 729                                 rx_pkts_burst[i];
 730                 bbdev_ops_burst[i]->turbo_enc.input.offset =
 731                                 sizeof(struct ether_hdr);
 732                 /* Encoder will attach the CRC24B, adjust the length */
 733                 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len;
 734
 735                 if (in_data_len < pkt_data_len)
 736                         rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len -
 737                                         in_data_len);
 738                 else if (in_data_len > pkt_data_len) {
 739                         data = rte_pktmbuf_append(rx_pkts_burst[i],
 740                                         in_data_len - pkt_data_len);
 741                         if (data == NULL)
 742                                 printf(
 743                                         "Not enough storage in mbuf to perform the encoding\n");
 744                 }
 745
 746                 bbdev_ops_burst[i]->turbo_enc.output.data =
 747                                 enc_out_pkts[i];
 748                 bbdev_ops_burst[i]->turbo_enc.output.offset =
 749                                 sizeof(struct ether_hdr);
 750         }
 751
 752         /* Enqueue packets on BBDevice */
 753         nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id,
 754                         bbdev_ops_burst, nb_rx);
 755         if (unlikely(nb_enq < nb_rx)) {
 756                 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq],
 757                                 nb_rx - nb_enq);
 758                 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq],
 759                                 nb_rx - nb_enq);
 760                 lcore_stats->rx_lost_packets += nb_rx - nb_enq;
 761
 762                 if (!nb_enq)
 763                         return;
 764         }
 765
 766         lcore_stats->enqueued += nb_enq;
 767
 768         /* Dequeue packets from bbdev device*/
 769         nb_deq = 0;
 770         do {
 771                 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id,
 772                                 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
 773         } while (unlikely(nb_deq < nb_enq));
 774
 775         lcore_stats->dequeued += nb_deq;
 776
 777         /* Generate and add AWGN */
 778         add_awgn(enc_out_pkts, nb_deq);
 779
 780         rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq);
 781
 782         /* Enqueue packets to encoder-to-decoder ring */
 783         nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts,
 784                         nb_deq, NULL);
 785         if (unlikely(nb_sent < nb_deq)) {
 786                 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent],
 787                                 nb_deq - nb_sent);
 788                 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent;
 789         }
 790 }
 791
 792 static void
 793 run_decoding(struct lcore_conf *lcore_conf)
 794 {
 795         uint16_t i;
 796         uint16_t port_id, tx_queue_id;
 797         uint16_t bbdev_id, bbdev_queue_id;
 798         uint16_t nb_recv, nb_enq, nb_deq, nb_tx;
 799         uint8_t *llr_temp_buf;
 800         struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST];
 801         struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST];
 802         struct lcore_statistics *lcore_stats;
 803         struct rte_mempool *bbdev_op_pool;
 804         struct rte_ring *enc_to_dec_ring;
 805
 806         lcore_stats = lcore_conf->lcore_stats;
 807         port_id = lcore_conf->port_id;
 808         tx_queue_id = lcore_conf->tx_queue_id;
 809         bbdev_id = lcore_conf->bbdev_id;
 810         bbdev_queue_id = lcore_conf->dec_queue_id;
 811         bbdev_op_pool = lcore_conf->bbdev_dec_op_pool;
 812         enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
 813         llr_temp_buf = lcore_conf->llr_temp_buf;
 814
 815         /* Dequeue packets from the ring */
 816         nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring,
 817                         (void **)recv_pkts_burst, MAX_PKT_BURST, NULL);
 818         if (!nb_recv)
 819                 return;
 820
 821         if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
 822                         nb_recv) != 0)) {
 823                 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv);
 824                 lcore_stats->rx_lost_packets += nb_recv;
 825                 return;
 826         }
 827
 828         transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv,
 829                         def_op_dec.cb_params.k);
 830
 831         for (i = 0; i < nb_recv; i++) {
 832                 /* set op */
 833                 bbdev_ops_burst[i]->turbo_dec = def_op_dec;
 834
 835                 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i];
 836                 bbdev_ops_burst[i]->turbo_dec.input.offset =
 837                                 sizeof(struct ether_hdr);
 838                 bbdev_ops_burst[i]->turbo_dec.input.length =
 839                                 rte_pktmbuf_data_len(recv_pkts_burst[i])
 840                                 - sizeof(struct ether_hdr);
 841
 842                 bbdev_ops_burst[i]->turbo_dec.hard_output.data =
 843                                 recv_pkts_burst[i];
 844                 bbdev_ops_burst[i]->turbo_dec.hard_output.offset =
 845                                 sizeof(struct ether_hdr);
 846         }
 847
 848         /* Enqueue packets on BBDevice */
 849         nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id,
 850                         bbdev_ops_burst, nb_recv);
 851         if (unlikely(nb_enq < nb_recv)) {
 852                 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq],
 853                                 nb_recv - nb_enq);
 854                 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq],
 855                                 nb_recv - nb_enq);
 856                 lcore_stats->rx_lost_packets += nb_recv - nb_enq;
 857
 858                 if (!nb_enq)
 859                         return;
 860         }
 861
 862         lcore_stats->enqueued += nb_enq;
 863
 864         /* Dequeue packets from BBDevice */
 865         nb_deq = 0;
 866         do {
 867                 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id,
 868                                 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
 869         } while (unlikely(nb_deq < nb_enq));
 870
 871         lcore_stats->dequeued += nb_deq;
 872
 873         rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq);
 874
 875         verify_data(recv_pkts_burst, nb_deq);
 876
 877         /* Free the RX mbufs after verification */
 878         for (i = 0; i < nb_deq; ++i)
 879                 rte_pktmbuf_free(recv_pkts_burst[i]->userdata);
 880
 881         /* Transmit the packets */
 882         nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq);
 883         if (unlikely(nb_tx < nb_deq)) {
 884                 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx],
 885                                 nb_deq - nb_tx);
 886                 lcore_stats->tx_lost_packets += nb_deq - nb_tx;
 887         }
 888 }
 889
 890 static int
 891 processing_loop(void *arg)
 892 {
 893         struct lcore_conf *lcore_conf = arg;
 894         const bool run_encoder = (lcore_conf->core_type &
 895                         (1 << RTE_BBDEV_OP_TURBO_ENC));
 896         const bool run_decoder = (lcore_conf->core_type &
 897                         (1 << RTE_BBDEV_OP_TURBO_DEC));
 898
 899         while (!rte_atomic16_read(&global_exit_flag)) {
 900                 if (run_encoder)
 901                         run_encoding(lcore_conf);
 902                 if (run_decoder)
 903                         run_decoding(lcore_conf);
 904         }
 905
 906         return 0;
 907 }
 908
 909 static int
 910 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info,
 911                 struct app_config_params *app_params)
 912 {
 913         int ret;
 914         unsigned int q_id, dec_q_id, enc_q_id;
 915         struct rte_bbdev_queue_conf qconf = {0};
 916         uint16_t dec_qs_nb = app_params->num_dec_cores;
 917         uint16_t enc_qs_nb = app_params->num_enc_cores;
 918         uint16_t tot_qs = dec_qs_nb + enc_qs_nb;
 919
 920         ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id);
 921         if (ret < 0)
 922                 rte_exit(EXIT_FAILURE,
 923                                 "ERROR(%d): BBDEV %u not configured properly\n",
 924                                 ret, dev_id);
 925
 926         /* setup device DEC queues */
 927         qconf.socket = info->socket_id;
 928         qconf.queue_size = info->drv.queue_size_lim;
 929         qconf.op_type = RTE_BBDEV_OP_TURBO_DEC;
 930
 931         for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) {
 932                 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
 933                 if (ret < 0)
 934                         rte_exit(EXIT_FAILURE,
 935                                         "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n",
 936                                         ret, dev_id, q_id);
 937                 app_params->dec_queue_ids[dec_q_id++] = q_id;
 938         }
 939
 940         /* setup device ENC queues */
 941         qconf.op_type = RTE_BBDEV_OP_TURBO_ENC;
 942
 943         for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) {
 944                 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
 945                 if (ret < 0)
 946                         rte_exit(EXIT_FAILURE,
 947                                         "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n",
 948                                         ret, dev_id, q_id);
 949                 app_params->enc_queue_ids[enc_q_id++] = q_id;
 950         }
 951
 952         ret = rte_bbdev_start(dev_id);
 953
 954         if (ret != 0)
 955                 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n",
 956                         ret, dev_id);
 957
 958         printf("BBdev %u started\n", dev_id);
 959
 960         return 0;
 961 }
 962
 963 static inline bool
 964 check_matching_capabilities(uint64_t mask, uint64_t required_mask)
 965 {
 966         return (mask & required_mask) == required_mask;
 967 }
 968
 969 static void
 970 enable_bbdev(struct app_config_params *app_params)
 971 {
 972         struct rte_bbdev_info dev_info;
 973         const struct rte_bbdev_op_cap *op_cap;
 974         uint16_t bbdev_id = app_params->bbdev_id;
 975         bool encoder_capable = false;
 976         bool decoder_capable = false;
 977
 978         rte_bbdev_info_get(bbdev_id, &dev_info);
 979         op_cap = dev_info.drv.capabilities;
 980
 981         while (op_cap->type != RTE_BBDEV_OP_NONE) {
 982                 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) {
 983                         if (check_matching_capabilities(
 984                                         op_cap->cap.turbo_enc.capability_flags,
 985                                         def_op_enc.op_flags))
 986                                 encoder_capable = true;
 987                 }
 988
 989                 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) {
 990                         if (check_matching_capabilities(
 991                                         op_cap->cap.turbo_dec.capability_flags,
 992                                         def_op_dec.op_flags))
 993                                 decoder_capable = true;
 994                 }
 995
 996                 op_cap++;
 997         }
 998
 999         if (encoder_capable == false)
1000                 rte_exit(EXIT_FAILURE,
1001                         "The specified BBDev %u doesn't have required encoder capabilities!\n",
1002                         bbdev_id);
1003         if (decoder_capable == false)
1004                 rte_exit(EXIT_FAILURE,
1005                         "The specified BBDev %u doesn't have required decoder capabilities!\n",
1006                         bbdev_id);
1007
1008         prepare_bbdev_device(bbdev_id, &dev_info, app_params);
1009 }
1010
1011 int
1012 main(int argc, char **argv)
1013 {
1014         int ret;
1015         unsigned int nb_bbdevs, flags, lcore_id;
1016         void *sigret;
1017         struct app_config_params app_params = def_app_config;
1018         struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool;
1019         struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT];
1020         struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} };
1021         struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} };
1022         struct stats_lcore_params stats_lcore;
1023         struct rte_ring *enc_to_dec_ring;
1024         bool stats_thread_started = false;
1025         unsigned int master_lcore_id = rte_get_master_lcore();
1026
1027         rte_atomic16_init(&global_exit_flag);
1028
1029         sigret = signal(SIGTERM, signal_handler);
1030         if (sigret == SIG_ERR)
1031                 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM);
1032
1033         sigret = signal(SIGINT, signal_handler);
1034         if (sigret == SIG_ERR)
1035                 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT);
1036
1037         ret = rte_eal_init(argc, argv);
1038         if (ret < 0)
1039                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1040
1041         argc -= ret;
1042         argv += ret;
1043
1044         /* parse application arguments (after the EAL ones) */
1045         ret = bbdev_parse_args(argc, argv, &app_params);
1046         if (ret < 0)
1047                 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n");
1048
1049         /*create bbdev op pools*/
1050         bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] =
1051                         rte_bbdev_op_pool_create("bbdev_op_pool_dec",
1052                         RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id());
1053         bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] =
1054                         rte_bbdev_op_pool_create("bbdev_op_pool_enc",
1055                         RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id());
1056
1057         if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) ||
1058                         (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL))
1059                 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n");
1060
1061         /* Create encoder to decoder ring */
1062         flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0;
1063         if (app_params.num_dec_cores == 1)
1064                 flags |= RING_F_SC_DEQ;
1065
1066         enc_to_dec_ring = rte_ring_create("enc_to_dec_ring",
1067                 rte_align32pow2(NB_MBUF), rte_socket_id(), flags);
1068
1069         /* Get the number of available bbdev devices */
1070         nb_bbdevs = rte_bbdev_count();
1071         if (nb_bbdevs <= app_params.bbdev_id)
1072                 rte_exit(EXIT_FAILURE,
1073                                 "%u BBDevs detected, cannot use BBDev with ID %u!\n",
1074                                 nb_bbdevs, app_params.bbdev_id);
1075         printf("Number of bbdevs detected: %d\n", nb_bbdevs);
1076
1077         if (!rte_eth_dev_is_valid_port(app_params.port_id))
1078                 rte_exit(EXIT_FAILURE,
1079                                 "cannot use port with ID %u!\n",
1080                                 app_params.port_id);
1081
1082         /* create the mbuf mempool for ethdev pkts */
1083         ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool",
1084                         NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1085                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1086         if (ethdev_mbuf_mempool == NULL)
1087                 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1088
1089         /* create the mbuf mempool for encoder output */
1090         bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool",
1091                         NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1092                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1093         if (bbdev_mbuf_mempool == NULL)
1094                 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1095
1096         /* initialize ports */
1097         ret = initialize_ports(&app_params, ethdev_mbuf_mempool);
1098
1099         /* Check if all requested lcores are available */
1100         for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id)
1101                 if (((1ULL << lcore_id) & app_params.enc_core_mask) ||
1102                                 ((1ULL << lcore_id) & app_params.dec_core_mask))
1103                         if (!rte_lcore_is_enabled(lcore_id))
1104                                 rte_exit(EXIT_FAILURE,
1105                                                 "Requested lcore_id %u is not enabled!\n",
1106                                                 lcore_id);
1107
1108         /* Start ethernet port */
1109         ret = rte_eth_dev_start(app_params.port_id);
1110         if (ret < 0)
1111                 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
1112                                 ret, app_params.port_id);
1113
1114         ret = check_port_link_status(app_params.port_id);
1115         if (ret < 0)
1116                 exit(EXIT_FAILURE);
1117
1118         /* start BBDevice and save BBDev queue IDs */
1119         enable_bbdev(&app_params);
1120
1121         /* Initialize the port/queue configuration of each logical core */
1122         lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools,
1123                         bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats);
1124
1125         stats_lcore.app_params = &app_params;
1126         stats_lcore.lconf = lcore_conf;
1127
1128         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1129                 if (lcore_conf[lcore_id].core_type != 0)
1130                         /* launch per-lcore processing loop on slave lcores */
1131                         rte_eal_remote_launch(processing_loop,
1132                                         &lcore_conf[lcore_id], lcore_id);
1133                 else if (!stats_thread_started) {
1134                         /* launch statistics printing loop */
1135                         rte_eal_remote_launch(stats_loop, &stats_lcore,
1136                                         lcore_id);
1137                         stats_thread_started = true;
1138                 }
1139         }
1140
1141         if (!stats_thread_started &&
1142                         lcore_conf[master_lcore_id].core_type != 0)
1143                 rte_exit(EXIT_FAILURE,
1144                                 "Not enough lcores to run the statistics printing loop!");
1145         else if (lcore_conf[master_lcore_id].core_type != 0)
1146                 processing_loop(&lcore_conf[master_lcore_id]);
1147         else if (!stats_thread_started)
1148                 stats_loop(&stats_lcore);
1149
1150         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1151                 ret |= rte_eal_wait_lcore(lcore_id);
1152         }
1153
1154         return ret;
1155 }