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 <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_mbuf_dyn.h> 32 #include <rte_memory.h> 33 #include <rte_mempool.h> 34 #include <rte_log.h> 35 #include <rte_bbdev.h> 36 #include <rte_bbdev_op.h> 37 38 /* LLR values - negative value for '1' bit */ 39 #define LLR_1_BIT 0x81 40 #define LLR_0_BIT 0x7F 41 42 #define MAX_PKT_BURST 32 43 #define NB_MBUF 8191 44 #define MEMPOOL_CACHE_SIZE 256 45 46 /* Hardcoded K value */ 47 #define K 40 48 #define NCB (3 * RTE_ALIGN_CEIL(K + 4, 32)) 49 50 #define CRC_24B_LEN 3 51 52 /* Configurable number of RX/TX ring descriptors */ 53 #define RTE_TEST_RX_DESC_DEFAULT 128 54 #define RTE_TEST_TX_DESC_DEFAULT 512 55 56 #define BBDEV_ASSERT(a) do { \ 57 if (!(a)) { \ 58 usage(prgname); \ 59 return -1; \ 60 } \ 61 } while (0) 62 63 static int input_dynfield_offset = -1; 64 65 static inline struct rte_mbuf ** 66 mbuf_input(struct rte_mbuf *mbuf) 67 { 68 return RTE_MBUF_DYNFIELD(mbuf, 69 input_dynfield_offset, struct rte_mbuf **); 70 } 71 72 static const struct rte_eth_conf port_conf = { 73 .rxmode = { 74 .mq_mode = ETH_MQ_RX_NONE, 75 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 76 .split_hdr_size = 0, 77 }, 78 .txmode = { 79 .mq_mode = ETH_MQ_TX_NONE, 80 }, 81 }; 82 83 struct rte_bbdev_op_turbo_enc def_op_enc = { 84 /* These values are arbitrarily put, and does not map to the real 85 * values for the data received from ethdev ports 86 */ 87 .rv_index = 0, 88 .code_block_mode = 1, 89 .cb_params = { 90 .k = K, 91 }, 92 .op_flags = RTE_BBDEV_TURBO_CRC_24A_ATTACH 93 }; 94 95 struct rte_bbdev_op_turbo_dec def_op_dec = { 96 /* These values are arbitrarily put, and does not map to the real 97 * values for the data received from ethdev ports 98 */ 99 .code_block_mode = 1, 100 .cb_params = { 101 .k = K, 102 }, 103 .rv_index = 0, 104 .iter_max = 8, 105 .iter_min = 4, 106 .ext_scale = 15, 107 .num_maps = 0, 108 .op_flags = RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN 109 }; 110 111 struct app_config_params { 112 /* Placeholders for app params */ 113 uint16_t port_id; 114 uint16_t bbdev_id; 115 uint64_t enc_core_mask; 116 uint64_t dec_core_mask; 117 118 /* Values filled during init time */ 119 uint16_t enc_queue_ids[RTE_MAX_LCORE]; 120 uint16_t dec_queue_ids[RTE_MAX_LCORE]; 121 uint16_t num_enc_cores; 122 uint16_t num_dec_cores; 123 }; 124 125 struct lcore_statistics { 126 unsigned int enqueued; 127 unsigned int dequeued; 128 unsigned int rx_lost_packets; 129 unsigned int enc_to_dec_lost_packets; 130 unsigned int tx_lost_packets; 131 } __rte_cache_aligned; 132 133 /** each lcore configuration */ 134 struct lcore_conf { 135 uint64_t core_type; 136 137 unsigned int port_id; 138 unsigned int rx_queue_id; 139 unsigned int tx_queue_id; 140 141 unsigned int bbdev_id; 142 unsigned int enc_queue_id; 143 unsigned int dec_queue_id; 144 145 uint8_t llr_temp_buf[NCB]; 146 147 struct rte_mempool *bbdev_dec_op_pool; 148 struct rte_mempool *bbdev_enc_op_pool; 149 struct rte_mempool *enc_out_pool; 150 struct rte_ring *enc_to_dec_ring; 151 152 struct lcore_statistics *lcore_stats; 153 } __rte_cache_aligned; 154 155 struct stats_lcore_params { 156 struct lcore_conf *lconf; 157 struct app_config_params *app_params; 158 }; 159 160 161 static const struct app_config_params def_app_config = { 162 .port_id = 0, 163 .bbdev_id = 0, 164 .enc_core_mask = 0x2, 165 .dec_core_mask = 0x4, 166 .num_enc_cores = 1, 167 .num_dec_cores = 1, 168 }; 169 170 static rte_atomic16_t global_exit_flag; 171 172 /* display usage */ 173 static inline void 174 usage(const char *prgname) 175 { 176 printf("%s [EAL options] " 177 " --\n" 178 " --enc_cores - number of encoding cores (default = 0x2)\n" 179 " --dec_cores - number of decoding cores (default = 0x4)\n" 180 " --port_id - Ethernet port ID (default = 0)\n" 181 " --bbdev_id - BBDev ID (default = 0)\n" 182 "\n", prgname); 183 } 184 185 /* parse core mask */ 186 static inline 187 uint16_t bbdev_parse_mask(const char *mask) 188 { 189 char *end = NULL; 190 unsigned long pm; 191 192 /* parse hexadecimal string */ 193 pm = strtoul(mask, &end, 16); 194 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0')) 195 return 0; 196 197 return pm; 198 } 199 200 /* parse core mask */ 201 static inline 202 uint16_t bbdev_parse_number(const char *mask) 203 { 204 char *end = NULL; 205 unsigned long pm; 206 207 /* parse hexadecimal string */ 208 pm = strtoul(mask, &end, 10); 209 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0')) 210 return 0; 211 212 return pm; 213 } 214 215 static int 216 bbdev_parse_args(int argc, char **argv, 217 struct app_config_params *app_params) 218 { 219 int optind = 0; 220 int opt; 221 int opt_indx = 0; 222 char *prgname = argv[0]; 223 224 static struct option lgopts[] = { 225 { "enc_core_mask", required_argument, 0, 'e' }, 226 { "dec_core_mask", required_argument, 0, 'd' }, 227 { "port_id", required_argument, 0, 'p' }, 228 { "bbdev_id", required_argument, 0, 'b' }, 229 { NULL, 0, 0, 0 } 230 }; 231 232 BBDEV_ASSERT(argc != 0); 233 BBDEV_ASSERT(argv != NULL); 234 BBDEV_ASSERT(app_params != NULL); 235 236 while ((opt = getopt_long(argc, argv, "e:d:p:b:", lgopts, &opt_indx)) != 237 EOF) { 238 switch (opt) { 239 case 'e': 240 app_params->enc_core_mask = 241 bbdev_parse_mask(optarg); 242 if (app_params->enc_core_mask == 0) { 243 usage(prgname); 244 return -1; 245 } 246 app_params->num_enc_cores = 247 __builtin_popcount(app_params->enc_core_mask); 248 break; 249 250 case 'd': 251 app_params->dec_core_mask = 252 bbdev_parse_mask(optarg); 253 if (app_params->dec_core_mask == 0) { 254 usage(prgname); 255 return -1; 256 } 257 app_params->num_dec_cores = 258 __builtin_popcount(app_params->dec_core_mask); 259 break; 260 261 case 'p': 262 app_params->port_id = bbdev_parse_number(optarg); 263 break; 264 265 case 'b': 266 app_params->bbdev_id = bbdev_parse_number(optarg); 267 break; 268 269 default: 270 usage(prgname); 271 return -1; 272 } 273 } 274 optind = 0; 275 return optind; 276 } 277 278 static void 279 signal_handler(int signum) 280 { 281 printf("\nSignal %d received\n", signum); 282 rte_atomic16_set(&global_exit_flag, 1); 283 } 284 285 static void 286 print_mac(unsigned int portid, struct rte_ether_addr *bbdev_ports_eth_address) 287 { 288 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n", 289 (unsigned int) portid, 290 RTE_ETHER_ADDR_BYTES(bbdev_ports_eth_address)); 291 } 292 293 static inline void 294 pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free) 295 { 296 unsigned int i; 297 for (i = 0; i < nb_to_free; ++i) 298 rte_pktmbuf_free(mbufs[i]); 299 } 300 301 static inline void 302 pktmbuf_input_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free) 303 { 304 unsigned int i; 305 for (i = 0; i < nb_to_free; ++i) { 306 struct rte_mbuf *rx_pkt = *mbuf_input(mbufs[i]); 307 rte_pktmbuf_free(rx_pkt); 308 rte_pktmbuf_free(mbufs[i]); 309 } 310 } 311 312 /* Check the link status of all ports in up to 9s, and print them finally */ 313 static int 314 check_port_link_status(uint16_t port_id) 315 { 316 #define CHECK_INTERVAL 100 /* 100ms */ 317 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 318 uint8_t count; 319 struct rte_eth_link link; 320 int link_get_err = -EINVAL; 321 322 printf("\nChecking link status."); 323 fflush(stdout); 324 325 for (count = 0; count <= MAX_CHECK_TIME && 326 !rte_atomic16_read(&global_exit_flag); count++) { 327 memset(&link, 0, sizeof(link)); 328 link_get_err = rte_eth_link_get_nowait(port_id, &link); 329 330 if (link_get_err >= 0 && link.link_status) { 331 const char *dp = (link.link_duplex == 332 ETH_LINK_FULL_DUPLEX) ? 333 "full-duplex" : "half-duplex"; 334 printf("\nPort %u Link Up - speed %s - %s\n", 335 port_id, 336 rte_eth_link_speed_to_str(link.link_speed), 337 dp); 338 return 0; 339 } 340 printf("."); 341 fflush(stdout); 342 rte_delay_ms(CHECK_INTERVAL); 343 } 344 345 if (link_get_err >= 0) 346 printf("\nPort %d Link Down\n", port_id); 347 else 348 printf("\nGet link failed (port %d): %s\n", port_id, 349 rte_strerror(-link_get_err)); 350 351 return 0; 352 } 353 354 static inline void 355 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst) 356 { 357 struct rte_ether_hdr *eth_from; 358 struct rte_ether_hdr *eth_to; 359 360 eth_from = rte_pktmbuf_mtod(pkt_src, struct rte_ether_hdr *); 361 eth_to = rte_pktmbuf_mtod(pkt_dst, struct rte_ether_hdr *); 362 363 /* copy header */ 364 rte_memcpy(eth_to, eth_from, sizeof(struct rte_ether_hdr)); 365 } 366 367 static inline void 368 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts) 369 { 370 RTE_SET_USED(mbufs); 371 RTE_SET_USED(num_pkts); 372 } 373 374 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input 375 * so each bit of the encoder output must be translated into one byte of LLR. If 376 * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes 377 * must additionally be insterted at the end of each sub-block. 378 */ 379 static inline void 380 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf, 381 uint16_t num_pkts, uint16_t k) 382 { 383 uint16_t i, l, j; 384 uint16_t start_bit_idx; 385 uint16_t out_idx; 386 uint16_t d = k + 4; 387 uint16_t kpi = RTE_ALIGN_CEIL(d, 32); 388 uint16_t nd = kpi - d; 389 uint16_t ncb = 3 * kpi; 390 391 for (i = 0; i < num_pkts; ++i) { 392 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) - 393 sizeof(struct rte_ether_hdr); 394 395 /* Resize the packet if needed */ 396 if (pkt_data_len < ncb) { 397 char *data = rte_pktmbuf_append(mbufs[i], 398 ncb - pkt_data_len); 399 if (data == NULL) 400 printf( 401 "Not enough space in decoder input packet"); 402 } 403 404 /* Translate each bit into 1 LLR byte. */ 405 start_bit_idx = 0; 406 out_idx = 0; 407 for (j = 0; j < 3; ++j) { 408 for (l = start_bit_idx; l < start_bit_idx + d; ++l) { 409 uint8_t *data = rte_pktmbuf_mtod_offset( 410 mbufs[i], uint8_t *, 411 sizeof(struct rte_ether_hdr) + 412 (l >> 3)); 413 if (*data & (0x80 >> (l & 7))) 414 temp_buf[out_idx] = LLR_1_BIT; 415 else 416 temp_buf[out_idx] = LLR_0_BIT; 417 ++out_idx; 418 } 419 /* Padding bytes should be at the end of the sub-block. 420 */ 421 memset(&temp_buf[out_idx], 0, nd); 422 out_idx += nd; 423 start_bit_idx += d; 424 } 425 426 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *, 427 sizeof(struct rte_ether_hdr)), temp_buf, ncb); 428 } 429 } 430 431 static inline void 432 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts) 433 { 434 uint16_t i; 435 for (i = 0; i < num_pkts; ++i) { 436 struct rte_mbuf *out = mbufs[i]; 437 struct rte_mbuf *in = *mbuf_input(out); 438 439 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *, 440 sizeof(struct rte_ether_hdr)), 441 rte_pktmbuf_mtod_offset(out, uint8_t *, 442 sizeof(struct rte_ether_hdr)), 443 K / 8 - CRC_24B_LEN)) 444 printf("Input and output buffers are not equal!\n"); 445 } 446 } 447 448 static int 449 initialize_ports(struct app_config_params *app_params, 450 struct rte_mempool *ethdev_mbuf_mempool) 451 { 452 int ret; 453 uint16_t port_id = app_params->port_id; 454 uint16_t q; 455 /* ethernet addresses of ports */ 456 struct rte_ether_addr bbdev_port_eth_addr; 457 458 /* initialize ports */ 459 printf("\nInitializing port %u...\n", app_params->port_id); 460 ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores, 461 app_params->num_dec_cores, &port_conf); 462 463 if (ret < 0) { 464 printf("Cannot configure device: err=%d, port=%u\n", 465 ret, port_id); 466 return -1; 467 } 468 469 /* initialize RX queues for encoder */ 470 for (q = 0; q < app_params->num_enc_cores; q++) { 471 ret = rte_eth_rx_queue_setup(port_id, q, 472 RTE_TEST_RX_DESC_DEFAULT, 473 rte_eth_dev_socket_id(port_id), 474 NULL, ethdev_mbuf_mempool); 475 if (ret < 0) { 476 printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n", 477 ret, q); 478 return -1; 479 } 480 } 481 /* initialize TX queues for decoder */ 482 for (q = 0; q < app_params->num_dec_cores; q++) { 483 ret = rte_eth_tx_queue_setup(port_id, q, 484 RTE_TEST_TX_DESC_DEFAULT, 485 rte_eth_dev_socket_id(port_id), NULL); 486 if (ret < 0) { 487 printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n", 488 ret, q); 489 return -1; 490 } 491 } 492 493 ret = rte_eth_promiscuous_enable(port_id); 494 if (ret != 0) { 495 printf("Cannot enable promiscuous mode: err=%s, port=%u\n", 496 rte_strerror(-ret), port_id); 497 return ret; 498 } 499 500 ret = rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr); 501 if (ret < 0) { 502 printf("rte_eth_macaddr_get: err=%d, queue=%u\n", 503 ret, q); 504 return -1; 505 } 506 507 print_mac(port_id, &bbdev_port_eth_addr); 508 509 return 0; 510 } 511 512 static void 513 lcore_conf_init(struct app_config_params *app_params, 514 struct lcore_conf *lcore_conf, 515 struct rte_mempool **bbdev_op_pools, 516 struct rte_mempool *bbdev_mbuf_mempool, 517 struct rte_ring *enc_to_dec_ring, 518 struct lcore_statistics *lcore_stats) 519 { 520 unsigned int lcore_id; 521 struct lcore_conf *lconf; 522 uint16_t rx_queue_id = 0; 523 uint16_t tx_queue_id = 0; 524 uint16_t enc_q_id = 0; 525 uint16_t dec_q_id = 0; 526 527 /* Configure lcores */ 528 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) { 529 lconf = &lcore_conf[lcore_id]; 530 lconf->core_type = 0; 531 532 if ((1ULL << lcore_id) & app_params->enc_core_mask) { 533 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC); 534 lconf->rx_queue_id = rx_queue_id++; 535 lconf->enc_queue_id = 536 app_params->enc_queue_ids[enc_q_id++]; 537 } 538 539 if ((1ULL << lcore_id) & app_params->dec_core_mask) { 540 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC); 541 lconf->tx_queue_id = tx_queue_id++; 542 lconf->dec_queue_id = 543 app_params->dec_queue_ids[dec_q_id++]; 544 } 545 546 lconf->bbdev_enc_op_pool = 547 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC]; 548 lconf->bbdev_dec_op_pool = 549 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC]; 550 lconf->bbdev_id = app_params->bbdev_id; 551 lconf->port_id = app_params->port_id; 552 lconf->enc_out_pool = bbdev_mbuf_mempool; 553 lconf->enc_to_dec_ring = enc_to_dec_ring; 554 lconf->lcore_stats = &lcore_stats[lcore_id]; 555 } 556 } 557 558 static void 559 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id) 560 { 561 static const char *stats_border = "_______"; 562 563 printf("\nLcore %d: %s enqueued count:\t\t%u\n", 564 lcore_id, stats_border, lstats->enqueued); 565 printf("Lcore %d: %s dequeued count:\t\t%u\n", 566 lcore_id, stats_border, lstats->dequeued); 567 printf("Lcore %d: %s RX lost packets count:\t\t%u\n", 568 lcore_id, stats_border, lstats->rx_lost_packets); 569 printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n", 570 lcore_id, stats_border, 571 lstats->enc_to_dec_lost_packets); 572 printf("Lcore %d: %s TX lost packets count:\t\t%u\n", 573 lcore_id, stats_border, lstats->tx_lost_packets); 574 } 575 576 static void 577 print_stats(struct stats_lcore_params *stats_lcore) 578 { 579 unsigned int l_id; 580 unsigned int bbdev_id = stats_lcore->app_params->bbdev_id; 581 unsigned int port_id = stats_lcore->app_params->port_id; 582 int len, ret, i; 583 584 struct rte_eth_xstat *xstats; 585 struct rte_eth_xstat_name *xstats_names; 586 struct rte_bbdev_stats bbstats; 587 static const char *stats_border = "_______"; 588 589 const char clr[] = { 27, '[', '2', 'J', '\0' }; 590 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 591 592 /* Clear screen and move to top left */ 593 printf("%s%s", clr, topLeft); 594 595 printf("PORT STATISTICS:\n================\n"); 596 len = rte_eth_xstats_get(port_id, NULL, 0); 597 if (len < 0) 598 rte_exit(EXIT_FAILURE, 599 "rte_eth_xstats_get(%u) failed: %d", port_id, 600 len); 601 602 xstats = calloc(len, sizeof(*xstats)); 603 if (xstats == NULL) 604 rte_exit(EXIT_FAILURE, 605 "Failed to calloc memory for xstats"); 606 607 ret = rte_eth_xstats_get(port_id, xstats, len); 608 if (ret < 0 || ret > len) { 609 free(xstats); 610 rte_exit(EXIT_FAILURE, 611 "rte_eth_xstats_get(%u) len%i failed: %d", 612 port_id, len, ret); 613 } 614 615 xstats_names = calloc(len, sizeof(*xstats_names)); 616 if (xstats_names == NULL) { 617 free(xstats); 618 rte_exit(EXIT_FAILURE, 619 "Failed to calloc memory for xstats_names"); 620 } 621 622 ret = rte_eth_xstats_get_names(port_id, xstats_names, len); 623 if (ret < 0 || ret > len) { 624 free(xstats); 625 free(xstats_names); 626 rte_exit(EXIT_FAILURE, 627 "rte_eth_xstats_get_names(%u) len%i failed: %d", 628 port_id, len, ret); 629 } 630 631 for (i = 0; i < len; i++) { 632 if (xstats[i].value > 0) 633 printf("Port %u: %s %s:\t\t%"PRIu64"\n", 634 port_id, stats_border, 635 xstats_names[i].name, 636 xstats[i].value); 637 } 638 639 ret = rte_bbdev_stats_get(bbdev_id, &bbstats); 640 if (ret < 0) { 641 free(xstats); 642 free(xstats_names); 643 rte_exit(EXIT_FAILURE, 644 "ERROR(%d): Failure to get BBDEV %u statistics\n", 645 ret, bbdev_id); 646 } 647 648 printf("\nBBDEV STATISTICS:\n=================\n"); 649 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n", 650 bbdev_id, stats_border, 651 bbstats.enqueued_count); 652 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n", 653 bbdev_id, stats_border, 654 bbstats.dequeued_count); 655 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n", 656 bbdev_id, stats_border, 657 bbstats.enqueue_err_count); 658 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n", 659 bbdev_id, stats_border, 660 bbstats.dequeue_err_count); 661 662 printf("LCORE STATISTICS:\n=================\n"); 663 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) { 664 if (stats_lcore->lconf[l_id].core_type == 0) 665 continue; 666 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id); 667 } 668 669 fflush(stdout); 670 671 free(xstats); 672 free(xstats_names); 673 } 674 675 static int 676 stats_loop(void *arg) 677 { 678 struct stats_lcore_params *stats_lcore = arg; 679 680 while (!rte_atomic16_read(&global_exit_flag)) { 681 print_stats(stats_lcore); 682 rte_delay_ms(500); 683 } 684 685 return 0; 686 } 687 688 static inline void 689 run_encoding(struct lcore_conf *lcore_conf) 690 { 691 uint16_t i; 692 uint16_t port_id, rx_queue_id; 693 uint16_t bbdev_id, enc_queue_id; 694 uint16_t nb_rx, nb_enq, nb_deq, nb_sent; 695 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST]; 696 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST]; 697 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST]; 698 struct lcore_statistics *lcore_stats; 699 struct rte_mempool *bbdev_op_pool, *enc_out_pool; 700 struct rte_ring *enc_to_dec_ring; 701 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN; 702 703 lcore_stats = lcore_conf->lcore_stats; 704 port_id = lcore_conf->port_id; 705 rx_queue_id = lcore_conf->rx_queue_id; 706 bbdev_id = lcore_conf->bbdev_id; 707 enc_queue_id = lcore_conf->enc_queue_id; 708 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool; 709 enc_out_pool = lcore_conf->enc_out_pool; 710 enc_to_dec_ring = lcore_conf->enc_to_dec_ring; 711 712 /* Read packet from RX queues*/ 713 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst, 714 MAX_PKT_BURST); 715 if (!nb_rx) 716 return; 717 718 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts, 719 nb_rx) != 0)) { 720 pktmbuf_free_bulk(rx_pkts_burst, nb_rx); 721 lcore_stats->rx_lost_packets += nb_rx; 722 return; 723 } 724 725 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst, 726 nb_rx) != 0)) { 727 pktmbuf_free_bulk(enc_out_pkts, nb_rx); 728 pktmbuf_free_bulk(rx_pkts_burst, nb_rx); 729 lcore_stats->rx_lost_packets += nb_rx; 730 return; 731 } 732 733 for (i = 0; i < nb_rx; i++) { 734 char *data; 735 const uint16_t pkt_data_len = 736 rte_pktmbuf_data_len(rx_pkts_burst[i]) - 737 sizeof(struct rte_ether_hdr); 738 /* save input mbuf pointer for later comparison */ 739 *mbuf_input(enc_out_pkts[i]) = rx_pkts_burst[i]; 740 741 /* copy ethernet header */ 742 rte_pktmbuf_reset(enc_out_pkts[i]); 743 data = rte_pktmbuf_append(enc_out_pkts[i], 744 sizeof(struct rte_ether_hdr)); 745 if (data == NULL) { 746 printf( 747 "Not enough space for ethernet header in encoder output mbuf\n"); 748 continue; 749 } 750 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]); 751 752 /* set op */ 753 bbdev_ops_burst[i]->turbo_enc = def_op_enc; 754 755 bbdev_ops_burst[i]->turbo_enc.input.data = 756 rx_pkts_burst[i]; 757 bbdev_ops_burst[i]->turbo_enc.input.offset = 758 sizeof(struct rte_ether_hdr); 759 /* Encoder will attach the CRC24B, adjust the length */ 760 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len; 761 762 if (in_data_len < pkt_data_len) 763 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len - 764 in_data_len); 765 else if (in_data_len > pkt_data_len) { 766 data = rte_pktmbuf_append(rx_pkts_burst[i], 767 in_data_len - pkt_data_len); 768 if (data == NULL) 769 printf( 770 "Not enough storage in mbuf to perform the encoding\n"); 771 } 772 773 bbdev_ops_burst[i]->turbo_enc.output.data = 774 enc_out_pkts[i]; 775 bbdev_ops_burst[i]->turbo_enc.output.offset = 776 sizeof(struct rte_ether_hdr); 777 } 778 779 /* Enqueue packets on BBDevice */ 780 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id, 781 bbdev_ops_burst, nb_rx); 782 if (unlikely(nb_enq < nb_rx)) { 783 pktmbuf_input_free_bulk(&enc_out_pkts[nb_enq], 784 nb_rx - nb_enq); 785 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq], 786 nb_rx - nb_enq); 787 lcore_stats->rx_lost_packets += nb_rx - nb_enq; 788 789 if (!nb_enq) 790 return; 791 } 792 793 lcore_stats->enqueued += nb_enq; 794 795 /* Dequeue packets from bbdev device*/ 796 nb_deq = 0; 797 do { 798 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id, 799 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq); 800 } while (unlikely(nb_deq < nb_enq)); 801 802 lcore_stats->dequeued += nb_deq; 803 804 /* Generate and add AWGN */ 805 add_awgn(enc_out_pkts, nb_deq); 806 807 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq); 808 809 /* Enqueue packets to encoder-to-decoder ring */ 810 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts, 811 nb_deq, NULL); 812 if (unlikely(nb_sent < nb_deq)) { 813 pktmbuf_input_free_bulk(&enc_out_pkts[nb_sent], 814 nb_deq - nb_sent); 815 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent; 816 } 817 } 818 819 static void 820 run_decoding(struct lcore_conf *lcore_conf) 821 { 822 uint16_t i; 823 uint16_t port_id, tx_queue_id; 824 uint16_t bbdev_id, bbdev_queue_id; 825 uint16_t nb_recv, nb_enq, nb_deq, nb_tx; 826 uint8_t *llr_temp_buf; 827 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST]; 828 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST]; 829 struct lcore_statistics *lcore_stats; 830 struct rte_mempool *bbdev_op_pool; 831 struct rte_ring *enc_to_dec_ring; 832 833 lcore_stats = lcore_conf->lcore_stats; 834 port_id = lcore_conf->port_id; 835 tx_queue_id = lcore_conf->tx_queue_id; 836 bbdev_id = lcore_conf->bbdev_id; 837 bbdev_queue_id = lcore_conf->dec_queue_id; 838 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool; 839 enc_to_dec_ring = lcore_conf->enc_to_dec_ring; 840 llr_temp_buf = lcore_conf->llr_temp_buf; 841 842 /* Dequeue packets from the ring */ 843 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring, 844 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL); 845 if (!nb_recv) 846 return; 847 848 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst, 849 nb_recv) != 0)) { 850 pktmbuf_input_free_bulk(recv_pkts_burst, nb_recv); 851 lcore_stats->rx_lost_packets += nb_recv; 852 return; 853 } 854 855 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv, 856 def_op_dec.cb_params.k); 857 858 for (i = 0; i < nb_recv; i++) { 859 /* set op */ 860 bbdev_ops_burst[i]->turbo_dec = def_op_dec; 861 862 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i]; 863 bbdev_ops_burst[i]->turbo_dec.input.offset = 864 sizeof(struct rte_ether_hdr); 865 bbdev_ops_burst[i]->turbo_dec.input.length = 866 rte_pktmbuf_data_len(recv_pkts_burst[i]) 867 - sizeof(struct rte_ether_hdr); 868 869 bbdev_ops_burst[i]->turbo_dec.hard_output.data = 870 recv_pkts_burst[i]; 871 bbdev_ops_burst[i]->turbo_dec.hard_output.offset = 872 sizeof(struct rte_ether_hdr); 873 } 874 875 /* Enqueue packets on BBDevice */ 876 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id, 877 bbdev_ops_burst, nb_recv); 878 if (unlikely(nb_enq < nb_recv)) { 879 pktmbuf_input_free_bulk(&recv_pkts_burst[nb_enq], 880 nb_recv - nb_enq); 881 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq], 882 nb_recv - nb_enq); 883 lcore_stats->rx_lost_packets += nb_recv - nb_enq; 884 885 if (!nb_enq) 886 return; 887 } 888 889 lcore_stats->enqueued += nb_enq; 890 891 /* Dequeue packets from BBDevice */ 892 nb_deq = 0; 893 do { 894 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id, 895 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq); 896 } while (unlikely(nb_deq < nb_enq)); 897 898 lcore_stats->dequeued += nb_deq; 899 900 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq); 901 902 verify_data(recv_pkts_burst, nb_deq); 903 904 /* Free the RX mbufs after verification */ 905 for (i = 0; i < nb_deq; ++i) 906 rte_pktmbuf_free(*mbuf_input(recv_pkts_burst[i])); 907 908 /* Transmit the packets */ 909 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq); 910 if (unlikely(nb_tx < nb_deq)) { 911 pktmbuf_input_free_bulk(&recv_pkts_burst[nb_tx], 912 nb_deq - nb_tx); 913 lcore_stats->tx_lost_packets += nb_deq - nb_tx; 914 } 915 } 916 917 static int 918 processing_loop(void *arg) 919 { 920 struct lcore_conf *lcore_conf = arg; 921 const bool run_encoder = (lcore_conf->core_type & 922 (1 << RTE_BBDEV_OP_TURBO_ENC)); 923 const bool run_decoder = (lcore_conf->core_type & 924 (1 << RTE_BBDEV_OP_TURBO_DEC)); 925 926 while (!rte_atomic16_read(&global_exit_flag)) { 927 if (run_encoder) 928 run_encoding(lcore_conf); 929 if (run_decoder) 930 run_decoding(lcore_conf); 931 } 932 933 return 0; 934 } 935 936 static int 937 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info, 938 struct app_config_params *app_params) 939 { 940 int ret; 941 unsigned int q_id, dec_q_id, enc_q_id; 942 struct rte_bbdev_queue_conf qconf = {0}; 943 uint16_t dec_qs_nb = app_params->num_dec_cores; 944 uint16_t enc_qs_nb = app_params->num_enc_cores; 945 uint16_t tot_qs = dec_qs_nb + enc_qs_nb; 946 947 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id); 948 if (ret < 0) 949 rte_exit(EXIT_FAILURE, 950 "ERROR(%d): BBDEV %u not configured properly\n", 951 ret, dev_id); 952 953 /* setup device DEC queues */ 954 qconf.socket = info->socket_id; 955 qconf.queue_size = info->drv.queue_size_lim; 956 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC; 957 958 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) { 959 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf); 960 if (ret < 0) 961 rte_exit(EXIT_FAILURE, 962 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n", 963 ret, dev_id, q_id); 964 app_params->dec_queue_ids[dec_q_id++] = q_id; 965 } 966 967 /* setup device ENC queues */ 968 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC; 969 970 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) { 971 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf); 972 if (ret < 0) 973 rte_exit(EXIT_FAILURE, 974 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n", 975 ret, dev_id, q_id); 976 app_params->enc_queue_ids[enc_q_id++] = q_id; 977 } 978 979 ret = rte_bbdev_start(dev_id); 980 981 if (ret != 0) 982 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n", 983 ret, dev_id); 984 985 printf("BBdev %u started\n", dev_id); 986 987 return 0; 988 } 989 990 static inline bool 991 check_matching_capabilities(uint64_t mask, uint64_t required_mask) 992 { 993 return (mask & required_mask) == required_mask; 994 } 995 996 static void 997 enable_bbdev(struct app_config_params *app_params) 998 { 999 struct rte_bbdev_info dev_info; 1000 const struct rte_bbdev_op_cap *op_cap; 1001 uint16_t bbdev_id = app_params->bbdev_id; 1002 bool encoder_capable = false; 1003 bool decoder_capable = false; 1004 1005 rte_bbdev_info_get(bbdev_id, &dev_info); 1006 op_cap = dev_info.drv.capabilities; 1007 1008 while (op_cap->type != RTE_BBDEV_OP_NONE) { 1009 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) { 1010 if (check_matching_capabilities( 1011 op_cap->cap.turbo_enc.capability_flags, 1012 def_op_enc.op_flags)) 1013 encoder_capable = true; 1014 } 1015 1016 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) { 1017 if (check_matching_capabilities( 1018 op_cap->cap.turbo_dec.capability_flags, 1019 def_op_dec.op_flags)) 1020 decoder_capable = true; 1021 } 1022 1023 op_cap++; 1024 } 1025 1026 if (encoder_capable == false) 1027 rte_exit(EXIT_FAILURE, 1028 "The specified BBDev %u doesn't have required encoder capabilities!\n", 1029 bbdev_id); 1030 if (decoder_capable == false) 1031 rte_exit(EXIT_FAILURE, 1032 "The specified BBDev %u doesn't have required decoder capabilities!\n", 1033 bbdev_id); 1034 1035 prepare_bbdev_device(bbdev_id, &dev_info, app_params); 1036 } 1037 1038 int 1039 main(int argc, char **argv) 1040 { 1041 int ret; 1042 unsigned int nb_bbdevs, flags, lcore_id; 1043 void *sigret; 1044 struct app_config_params app_params = def_app_config; 1045 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool; 1046 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT]; 1047 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} }; 1048 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} }; 1049 struct stats_lcore_params stats_lcore; 1050 struct rte_ring *enc_to_dec_ring; 1051 bool stats_thread_started = false; 1052 unsigned int main_lcore_id = rte_get_main_lcore(); 1053 1054 static const struct rte_mbuf_dynfield input_dynfield_desc = { 1055 .name = "example_bbdev_dynfield_input", 1056 .size = sizeof(struct rte_mbuf *), 1057 .align = __alignof__(struct rte_mbuf *), 1058 }; 1059 1060 rte_atomic16_init(&global_exit_flag); 1061 1062 sigret = signal(SIGTERM, signal_handler); 1063 if (sigret == SIG_ERR) 1064 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM); 1065 1066 sigret = signal(SIGINT, signal_handler); 1067 if (sigret == SIG_ERR) 1068 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT); 1069 1070 ret = rte_eal_init(argc, argv); 1071 if (ret < 0) 1072 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 1073 1074 argc -= ret; 1075 argv += ret; 1076 1077 /* parse application arguments (after the EAL ones) */ 1078 ret = bbdev_parse_args(argc, argv, &app_params); 1079 if (ret < 0) 1080 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n"); 1081 1082 /*create bbdev op pools*/ 1083 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] = 1084 rte_bbdev_op_pool_create("bbdev_op_pool_dec", 1085 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id()); 1086 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] = 1087 rte_bbdev_op_pool_create("bbdev_op_pool_enc", 1088 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id()); 1089 1090 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) || 1091 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL)) 1092 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n"); 1093 1094 /* Create encoder to decoder ring */ 1095 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0; 1096 if (app_params.num_dec_cores == 1) 1097 flags |= RING_F_SC_DEQ; 1098 1099 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring", 1100 rte_align32pow2(NB_MBUF), rte_socket_id(), flags); 1101 1102 /* Get the number of available bbdev devices */ 1103 nb_bbdevs = rte_bbdev_count(); 1104 if (nb_bbdevs <= app_params.bbdev_id) 1105 rte_exit(EXIT_FAILURE, 1106 "%u BBDevs detected, cannot use BBDev with ID %u!\n", 1107 nb_bbdevs, app_params.bbdev_id); 1108 printf("Number of bbdevs detected: %d\n", nb_bbdevs); 1109 1110 if (!rte_eth_dev_is_valid_port(app_params.port_id)) 1111 rte_exit(EXIT_FAILURE, 1112 "cannot use port with ID %u!\n", 1113 app_params.port_id); 1114 1115 /* create the mbuf mempool for ethdev pkts */ 1116 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool", 1117 NB_MBUF, MEMPOOL_CACHE_SIZE, 0, 1118 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1119 if (ethdev_mbuf_mempool == NULL) 1120 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n"); 1121 1122 /* create the mbuf mempool for encoder output */ 1123 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool", 1124 NB_MBUF, MEMPOOL_CACHE_SIZE, 0, 1125 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1126 if (bbdev_mbuf_mempool == NULL) 1127 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n"); 1128 1129 /* register mbuf field to store input pointer */ 1130 input_dynfield_offset = 1131 rte_mbuf_dynfield_register(&input_dynfield_desc); 1132 if (input_dynfield_offset < 0) 1133 rte_exit(EXIT_FAILURE, "Cannot register mbuf field\n"); 1134 1135 /* initialize ports */ 1136 ret = initialize_ports(&app_params, ethdev_mbuf_mempool); 1137 1138 /* Check if all requested lcores are available */ 1139 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) 1140 if (((1ULL << lcore_id) & app_params.enc_core_mask) || 1141 ((1ULL << lcore_id) & app_params.dec_core_mask)) 1142 if (!rte_lcore_is_enabled(lcore_id)) 1143 rte_exit(EXIT_FAILURE, 1144 "Requested lcore_id %u is not enabled!\n", 1145 lcore_id); 1146 1147 /* Start ethernet port */ 1148 ret = rte_eth_dev_start(app_params.port_id); 1149 if (ret < 0) 1150 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 1151 ret, app_params.port_id); 1152 1153 ret = check_port_link_status(app_params.port_id); 1154 if (ret < 0) 1155 exit(EXIT_FAILURE); 1156 1157 /* start BBDevice and save BBDev queue IDs */ 1158 enable_bbdev(&app_params); 1159 1160 /* Initialize the port/queue configuration of each logical core */ 1161 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools, 1162 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats); 1163 1164 stats_lcore.app_params = &app_params; 1165 stats_lcore.lconf = lcore_conf; 1166 1167 RTE_LCORE_FOREACH_WORKER(lcore_id) { 1168 if (lcore_conf[lcore_id].core_type != 0) 1169 /* launch per-lcore processing loop on worker lcores */ 1170 rte_eal_remote_launch(processing_loop, 1171 &lcore_conf[lcore_id], lcore_id); 1172 else if (!stats_thread_started) { 1173 /* launch statistics printing loop */ 1174 rte_eal_remote_launch(stats_loop, &stats_lcore, 1175 lcore_id); 1176 stats_thread_started = true; 1177 } 1178 } 1179 1180 if (!stats_thread_started && 1181 lcore_conf[main_lcore_id].core_type != 0) 1182 rte_exit(EXIT_FAILURE, 1183 "Not enough lcores to run the statistics printing loop!"); 1184 else if (lcore_conf[main_lcore_id].core_type != 0) 1185 processing_loop(&lcore_conf[main_lcore_id]); 1186 else if (!stats_thread_started) 1187 stats_loop(&stats_lcore); 1188 1189 RTE_LCORE_FOREACH_WORKER(lcore_id) { 1190 ret |= rte_eal_wait_lcore(lcore_id); 1191 } 1192 1193 /* clean up the EAL */ 1194 rte_eal_cleanup(); 1195 1196 return ret; 1197 } 1198