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