1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <string.h> 8 #include <stdint.h> 9 #include <inttypes.h> 10 #include <sys/types.h> 11 #include <sys/unistd.h> 12 #include <sys/queue.h> 13 #include <stdarg.h> 14 #include <ctype.h> 15 #include <errno.h> 16 #include <math.h> 17 #include <assert.h> 18 #include <getopt.h> 19 #include <signal.h> 20 21 #include "rte_atomic.h" 22 #include "rte_common.h" 23 #include "rte_eal.h" 24 #include "rte_cycles.h" 25 #include "rte_ether.h" 26 #include "rte_ethdev.h" 27 #include "rte_ip.h" 28 #include "rte_lcore.h" 29 #include "rte_malloc.h" 30 #include "rte_mbuf.h" 31 #include "rte_memory.h" 32 #include "rte_mempool.h" 33 #include "rte_log.h" 34 #include "rte_bbdev.h" 35 #include "rte_bbdev_op.h" 36 37 /* LLR values - negative value for '1' bit */ 38 #define LLR_1_BIT 0x81 39 #define LLR_0_BIT 0x7F 40 41 #define MAX_PKT_BURST 32 42 #define NB_MBUF 8191 43 #define MEMPOOL_CACHE_SIZE 256 44 45 /* Hardcoded K value */ 46 #define K 40 47 #define NCB (3 * RTE_ALIGN_CEIL(K + 4, 32)) 48 49 #define CRC_24B_LEN 3 50 51 /* Configurable number of RX/TX ring descriptors */ 52 #define RTE_TEST_RX_DESC_DEFAULT 128 53 #define RTE_TEST_TX_DESC_DEFAULT 512 54 55 #define BBDEV_ASSERT(a) do { \ 56 if (!(a)) { \ 57 usage(prgname); \ 58 return -1; \ 59 } \ 60 } while (0) 61 62 static const struct rte_eth_conf port_conf = { 63 .rxmode = { 64 .mq_mode = ETH_MQ_RX_NONE, 65 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 66 .split_hdr_size = 0, 67 }, 68 .txmode = { 69 .mq_mode = ETH_MQ_TX_NONE, 70 }, 71 }; 72 73 struct rte_bbdev_op_turbo_enc def_op_enc = { 74 /* These values are arbitrarily put, and does not map to the real 75 * values for the data received from ethdev ports 76 */ 77 .rv_index = 0, 78 .code_block_mode = 1, 79 .cb_params = { 80 .k = K, 81 }, 82 .op_flags = RTE_BBDEV_TURBO_CRC_24A_ATTACH 83 }; 84 85 struct rte_bbdev_op_turbo_dec def_op_dec = { 86 /* These values are arbitrarily put, and does not map to the real 87 * values for the data received from ethdev ports 88 */ 89 .code_block_mode = 1, 90 .cb_params = { 91 .k = K, 92 }, 93 .rv_index = 0, 94 .iter_max = 8, 95 .iter_min = 4, 96 .ext_scale = 15, 97 .num_maps = 0, 98 .op_flags = RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN 99 }; 100 101 struct app_config_params { 102 /* Placeholders for app params */ 103 uint16_t port_id; 104 uint16_t bbdev_id; 105 uint64_t enc_core_mask; 106 uint64_t dec_core_mask; 107 108 /* Values filled during init time */ 109 uint16_t enc_queue_ids[RTE_MAX_LCORE]; 110 uint16_t dec_queue_ids[RTE_MAX_LCORE]; 111 uint16_t num_enc_cores; 112 uint16_t num_dec_cores; 113 }; 114 115 struct lcore_statistics { 116 unsigned int enqueued; 117 unsigned int dequeued; 118 unsigned int rx_lost_packets; 119 unsigned int enc_to_dec_lost_packets; 120 unsigned int tx_lost_packets; 121 } __rte_cache_aligned; 122 123 /** each lcore configuration */ 124 struct lcore_conf { 125 uint64_t core_type; 126 127 unsigned int port_id; 128 unsigned int rx_queue_id; 129 unsigned int tx_queue_id; 130 131 unsigned int bbdev_id; 132 unsigned int enc_queue_id; 133 unsigned int dec_queue_id; 134 135 uint8_t llr_temp_buf[NCB]; 136 137 struct rte_mempool *bbdev_dec_op_pool; 138 struct rte_mempool *bbdev_enc_op_pool; 139 struct rte_mempool *enc_out_pool; 140 struct rte_ring *enc_to_dec_ring; 141 142 struct lcore_statistics *lcore_stats; 143 } __rte_cache_aligned; 144 145 struct stats_lcore_params { 146 struct lcore_conf *lconf; 147 struct app_config_params *app_params; 148 }; 149 150 151 static const struct app_config_params def_app_config = { 152 .port_id = 0, 153 .bbdev_id = 0, 154 .enc_core_mask = 0x2, 155 .dec_core_mask = 0x4, 156 .num_enc_cores = 1, 157 .num_dec_cores = 1, 158 }; 159 160 static rte_atomic16_t global_exit_flag; 161 162 /* display usage */ 163 static inline void 164 usage(const char *prgname) 165 { 166 printf("%s [EAL options] " 167 " --\n" 168 " --enc_cores - number of encoding cores (default = 0x2)\n" 169 " --dec_cores - number of decoding cores (default = 0x4)\n" 170 " --port_id - Ethernet port ID (default = 0)\n" 171 " --bbdev_id - BBDev ID (default = 0)\n" 172 "\n", prgname); 173 } 174 175 /* parse core mask */ 176 static inline 177 uint16_t bbdev_parse_mask(const char *mask) 178 { 179 char *end = NULL; 180 unsigned long pm; 181 182 /* parse hexadecimal string */ 183 pm = strtoul(mask, &end, 16); 184 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0')) 185 return 0; 186 187 return pm; 188 } 189 190 /* parse core mask */ 191 static inline 192 uint16_t bbdev_parse_number(const char *mask) 193 { 194 char *end = NULL; 195 unsigned long pm; 196 197 /* parse hexadecimal string */ 198 pm = strtoul(mask, &end, 10); 199 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0')) 200 return 0; 201 202 return pm; 203 } 204 205 static int 206 bbdev_parse_args(int argc, char **argv, 207 struct app_config_params *app_params) 208 { 209 int optind = 0; 210 int opt; 211 int opt_indx = 0; 212 char *prgname = argv[0]; 213 214 static struct option lgopts[] = { 215 { "enc_core_mask", required_argument, 0, 'e' }, 216 { "dec_core_mask", required_argument, 0, 'd' }, 217 { "port_id", required_argument, 0, 'p' }, 218 { "bbdev_id", required_argument, 0, 'b' }, 219 { NULL, 0, 0, 0 } 220 }; 221 222 BBDEV_ASSERT(argc != 0); 223 BBDEV_ASSERT(argv != NULL); 224 BBDEV_ASSERT(app_params != NULL); 225 226 while ((opt = getopt_long(argc, argv, "e:d:p:b:", lgopts, &opt_indx)) != 227 EOF) { 228 switch (opt) { 229 case 'e': 230 app_params->enc_core_mask = 231 bbdev_parse_mask(optarg); 232 if (app_params->enc_core_mask == 0) { 233 usage(prgname); 234 return -1; 235 } 236 app_params->num_enc_cores = 237 __builtin_popcount(app_params->enc_core_mask); 238 break; 239 240 case 'd': 241 app_params->dec_core_mask = 242 bbdev_parse_mask(optarg); 243 if (app_params->dec_core_mask == 0) { 244 usage(prgname); 245 return -1; 246 } 247 app_params->num_dec_cores = 248 __builtin_popcount(app_params->dec_core_mask); 249 break; 250 251 case 'p': 252 app_params->port_id = bbdev_parse_number(optarg); 253 break; 254 255 case 'b': 256 app_params->bbdev_id = bbdev_parse_number(optarg); 257 break; 258 259 default: 260 usage(prgname); 261 return -1; 262 } 263 } 264 optind = 0; 265 return optind; 266 } 267 268 static void 269 signal_handler(int signum) 270 { 271 printf("\nSignal %d received\n", signum); 272 rte_atomic16_set(&global_exit_flag, 1); 273 } 274 275 static void 276 print_mac(unsigned int portid, struct rte_ether_addr *bbdev_ports_eth_address) 277 { 278 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 279 (unsigned int) portid, 280 bbdev_ports_eth_address->addr_bytes[0], 281 bbdev_ports_eth_address->addr_bytes[1], 282 bbdev_ports_eth_address->addr_bytes[2], 283 bbdev_ports_eth_address->addr_bytes[3], 284 bbdev_ports_eth_address->addr_bytes[4], 285 bbdev_ports_eth_address->addr_bytes[5]); 286 } 287 288 static inline void 289 pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free) 290 { 291 unsigned int i; 292 for (i = 0; i < nb_to_free; ++i) 293 rte_pktmbuf_free(mbufs[i]); 294 } 295 296 static inline void 297 pktmbuf_userdata_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free) 298 { 299 unsigned int i; 300 for (i = 0; i < nb_to_free; ++i) { 301 struct rte_mbuf *rx_pkt = mbufs[i]->userdata; 302 rte_pktmbuf_free(rx_pkt); 303 rte_pktmbuf_free(mbufs[i]); 304 } 305 } 306 307 /* Check the link status of all ports in up to 9s, and print them finally */ 308 static int 309 check_port_link_status(uint16_t port_id) 310 { 311 #define CHECK_INTERVAL 100 /* 100ms */ 312 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 313 uint8_t count; 314 struct rte_eth_link link; 315 316 printf("\nChecking link status."); 317 fflush(stdout); 318 319 for (count = 0; count <= MAX_CHECK_TIME && 320 !rte_atomic16_read(&global_exit_flag); count++) { 321 memset(&link, 0, sizeof(link)); 322 rte_eth_link_get_nowait(port_id, &link); 323 324 if (link.link_status) { 325 const char *dp = (link.link_duplex == 326 ETH_LINK_FULL_DUPLEX) ? 327 "full-duplex" : "half-duplex"; 328 printf("\nPort %u Link Up - speed %u Mbps - %s\n", 329 port_id, link.link_speed, dp); 330 return 0; 331 } 332 printf("."); 333 fflush(stdout); 334 rte_delay_ms(CHECK_INTERVAL); 335 } 336 337 printf("\nPort %d Link Down\n", port_id); 338 return 0; 339 } 340 341 static inline void 342 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst) 343 { 344 struct rte_ether_hdr *eth_from; 345 struct rte_ether_hdr *eth_to; 346 347 eth_from = rte_pktmbuf_mtod(pkt_src, struct rte_ether_hdr *); 348 eth_to = rte_pktmbuf_mtod(pkt_dst, struct rte_ether_hdr *); 349 350 /* copy header */ 351 rte_memcpy(eth_to, eth_from, sizeof(struct rte_ether_hdr)); 352 } 353 354 static inline void 355 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts) 356 { 357 RTE_SET_USED(mbufs); 358 RTE_SET_USED(num_pkts); 359 } 360 361 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input 362 * so each bit of the encoder output must be translated into one byte of LLR. If 363 * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes 364 * must additionally be insterted at the end of each sub-block. 365 */ 366 static inline void 367 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf, 368 uint16_t num_pkts, uint16_t k) 369 { 370 uint16_t i, l, j; 371 uint16_t start_bit_idx; 372 uint16_t out_idx; 373 uint16_t d = k + 4; 374 uint16_t kpi = RTE_ALIGN_CEIL(d, 32); 375 uint16_t nd = kpi - d; 376 uint16_t ncb = 3 * kpi; 377 378 for (i = 0; i < num_pkts; ++i) { 379 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) - 380 sizeof(struct rte_ether_hdr); 381 382 /* Resize the packet if needed */ 383 if (pkt_data_len < ncb) { 384 char *data = rte_pktmbuf_append(mbufs[i], 385 ncb - pkt_data_len); 386 if (data == NULL) 387 printf( 388 "Not enough space in decoder input packet"); 389 } 390 391 /* Translate each bit into 1 LLR byte. */ 392 start_bit_idx = 0; 393 out_idx = 0; 394 for (j = 0; j < 3; ++j) { 395 for (l = start_bit_idx; l < start_bit_idx + d; ++l) { 396 uint8_t *data = rte_pktmbuf_mtod_offset( 397 mbufs[i], uint8_t *, 398 sizeof(struct rte_ether_hdr) + 399 (l >> 3)); 400 if (*data & (0x80 >> (l & 7))) 401 temp_buf[out_idx] = LLR_1_BIT; 402 else 403 temp_buf[out_idx] = LLR_0_BIT; 404 ++out_idx; 405 } 406 /* Padding bytes should be at the end of the sub-block. 407 */ 408 memset(&temp_buf[out_idx], 0, nd); 409 out_idx += nd; 410 start_bit_idx += d; 411 } 412 413 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *, 414 sizeof(struct rte_ether_hdr)), temp_buf, ncb); 415 } 416 } 417 418 static inline void 419 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts) 420 { 421 uint16_t i; 422 for (i = 0; i < num_pkts; ++i) { 423 struct rte_mbuf *out = mbufs[i]; 424 struct rte_mbuf *in = out->userdata; 425 426 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *, 427 sizeof(struct rte_ether_hdr)), 428 rte_pktmbuf_mtod_offset(out, uint8_t *, 429 sizeof(struct rte_ether_hdr)), 430 K / 8 - CRC_24B_LEN)) 431 printf("Input and output buffers are not equal!\n"); 432 } 433 } 434 435 static int 436 initialize_ports(struct app_config_params *app_params, 437 struct rte_mempool *ethdev_mbuf_mempool) 438 { 439 int ret; 440 uint16_t port_id = app_params->port_id; 441 uint16_t q; 442 /* ethernet addresses of ports */ 443 struct rte_ether_addr bbdev_port_eth_addr; 444 445 /* initialize ports */ 446 printf("\nInitializing port %u...\n", app_params->port_id); 447 ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores, 448 app_params->num_dec_cores, &port_conf); 449 450 if (ret < 0) { 451 printf("Cannot configure device: err=%d, port=%u\n", 452 ret, port_id); 453 return -1; 454 } 455 456 /* initialize RX queues for encoder */ 457 for (q = 0; q < app_params->num_enc_cores; q++) { 458 ret = rte_eth_rx_queue_setup(port_id, q, 459 RTE_TEST_RX_DESC_DEFAULT, 460 rte_eth_dev_socket_id(port_id), 461 NULL, ethdev_mbuf_mempool); 462 if (ret < 0) { 463 printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n", 464 ret, q); 465 return -1; 466 } 467 } 468 /* initialize TX queues for decoder */ 469 for (q = 0; q < app_params->num_dec_cores; q++) { 470 ret = rte_eth_tx_queue_setup(port_id, q, 471 RTE_TEST_TX_DESC_DEFAULT, 472 rte_eth_dev_socket_id(port_id), NULL); 473 if (ret < 0) { 474 printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n", 475 ret, q); 476 return -1; 477 } 478 } 479 480 ret = rte_eth_promiscuous_enable(port_id); 481 if (ret != 0) { 482 printf("Cannot enable promiscuous mode: err=%s, port=%u\n", 483 rte_strerror(-ret), port_id); 484 return ret; 485 } 486 487 rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr); 488 print_mac(port_id, &bbdev_port_eth_addr); 489 490 return 0; 491 } 492 493 static void 494 lcore_conf_init(struct app_config_params *app_params, 495 struct lcore_conf *lcore_conf, 496 struct rte_mempool **bbdev_op_pools, 497 struct rte_mempool *bbdev_mbuf_mempool, 498 struct rte_ring *enc_to_dec_ring, 499 struct lcore_statistics *lcore_stats) 500 { 501 unsigned int lcore_id; 502 struct lcore_conf *lconf; 503 uint16_t rx_queue_id = 0; 504 uint16_t tx_queue_id = 0; 505 uint16_t enc_q_id = 0; 506 uint16_t dec_q_id = 0; 507 508 /* Configure lcores */ 509 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) { 510 lconf = &lcore_conf[lcore_id]; 511 lconf->core_type = 0; 512 513 if ((1ULL << lcore_id) & app_params->enc_core_mask) { 514 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC); 515 lconf->rx_queue_id = rx_queue_id++; 516 lconf->enc_queue_id = 517 app_params->enc_queue_ids[enc_q_id++]; 518 } 519 520 if ((1ULL << lcore_id) & app_params->dec_core_mask) { 521 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC); 522 lconf->tx_queue_id = tx_queue_id++; 523 lconf->dec_queue_id = 524 app_params->dec_queue_ids[dec_q_id++]; 525 } 526 527 lconf->bbdev_enc_op_pool = 528 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC]; 529 lconf->bbdev_dec_op_pool = 530 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC]; 531 lconf->bbdev_id = app_params->bbdev_id; 532 lconf->port_id = app_params->port_id; 533 lconf->enc_out_pool = bbdev_mbuf_mempool; 534 lconf->enc_to_dec_ring = enc_to_dec_ring; 535 lconf->lcore_stats = &lcore_stats[lcore_id]; 536 } 537 } 538 539 static void 540 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id) 541 { 542 static const char *stats_border = "_______"; 543 544 printf("\nLcore %d: %s enqueued count:\t\t%u\n", 545 lcore_id, stats_border, lstats->enqueued); 546 printf("Lcore %d: %s dequeued count:\t\t%u\n", 547 lcore_id, stats_border, lstats->dequeued); 548 printf("Lcore %d: %s RX lost packets count:\t\t%u\n", 549 lcore_id, stats_border, lstats->rx_lost_packets); 550 printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n", 551 lcore_id, stats_border, 552 lstats->enc_to_dec_lost_packets); 553 printf("Lcore %d: %s TX lost packets count:\t\t%u\n", 554 lcore_id, stats_border, lstats->tx_lost_packets); 555 } 556 557 static void 558 print_stats(struct stats_lcore_params *stats_lcore) 559 { 560 unsigned int l_id; 561 unsigned int bbdev_id = stats_lcore->app_params->bbdev_id; 562 unsigned int port_id = stats_lcore->app_params->port_id; 563 int len, ret, i; 564 565 struct rte_eth_xstat *xstats; 566 struct rte_eth_xstat_name *xstats_names; 567 struct rte_bbdev_stats bbstats; 568 static const char *stats_border = "_______"; 569 570 const char clr[] = { 27, '[', '2', 'J', '\0' }; 571 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 572 573 /* Clear screen and move to top left */ 574 printf("%s%s", clr, topLeft); 575 576 printf("PORT STATISTICS:\n================\n"); 577 len = rte_eth_xstats_get(port_id, NULL, 0); 578 if (len < 0) 579 rte_exit(EXIT_FAILURE, 580 "rte_eth_xstats_get(%u) failed: %d", port_id, 581 len); 582 583 xstats = calloc(len, sizeof(*xstats)); 584 if (xstats == NULL) 585 rte_exit(EXIT_FAILURE, 586 "Failed to calloc memory for xstats"); 587 588 ret = rte_eth_xstats_get(port_id, xstats, len); 589 if (ret < 0 || ret > len) { 590 free(xstats); 591 rte_exit(EXIT_FAILURE, 592 "rte_eth_xstats_get(%u) len%i failed: %d", 593 port_id, len, ret); 594 } 595 596 xstats_names = calloc(len, sizeof(*xstats_names)); 597 if (xstats_names == NULL) { 598 free(xstats); 599 rte_exit(EXIT_FAILURE, 600 "Failed to calloc memory for xstats_names"); 601 } 602 603 ret = rte_eth_xstats_get_names(port_id, xstats_names, len); 604 if (ret < 0 || ret > len) { 605 free(xstats); 606 free(xstats_names); 607 rte_exit(EXIT_FAILURE, 608 "rte_eth_xstats_get_names(%u) len%i failed: %d", 609 port_id, len, ret); 610 } 611 612 for (i = 0; i < len; i++) { 613 if (xstats[i].value > 0) 614 printf("Port %u: %s %s:\t\t%"PRIu64"\n", 615 port_id, stats_border, 616 xstats_names[i].name, 617 xstats[i].value); 618 } 619 620 ret = rte_bbdev_stats_get(bbdev_id, &bbstats); 621 if (ret < 0) { 622 free(xstats); 623 free(xstats_names); 624 rte_exit(EXIT_FAILURE, 625 "ERROR(%d): Failure to get BBDEV %u statistics\n", 626 ret, bbdev_id); 627 } 628 629 printf("\nBBDEV STATISTICS:\n=================\n"); 630 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n", 631 bbdev_id, stats_border, 632 bbstats.enqueued_count); 633 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n", 634 bbdev_id, stats_border, 635 bbstats.dequeued_count); 636 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n", 637 bbdev_id, stats_border, 638 bbstats.enqueue_err_count); 639 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n", 640 bbdev_id, stats_border, 641 bbstats.dequeue_err_count); 642 643 printf("LCORE STATISTICS:\n=================\n"); 644 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) { 645 if (stats_lcore->lconf[l_id].core_type == 0) 646 continue; 647 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id); 648 } 649 650 free(xstats); 651 free(xstats_names); 652 } 653 654 static int 655 stats_loop(void *arg) 656 { 657 struct stats_lcore_params *stats_lcore = arg; 658 659 while (!rte_atomic16_read(&global_exit_flag)) { 660 print_stats(stats_lcore); 661 rte_delay_ms(500); 662 } 663 664 return 0; 665 } 666 667 static inline void 668 run_encoding(struct lcore_conf *lcore_conf) 669 { 670 uint16_t i; 671 uint16_t port_id, rx_queue_id; 672 uint16_t bbdev_id, enc_queue_id; 673 uint16_t nb_rx, nb_enq, nb_deq, nb_sent; 674 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST]; 675 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST]; 676 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST]; 677 struct lcore_statistics *lcore_stats; 678 struct rte_mempool *bbdev_op_pool, *enc_out_pool; 679 struct rte_ring *enc_to_dec_ring; 680 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN; 681 682 lcore_stats = lcore_conf->lcore_stats; 683 port_id = lcore_conf->port_id; 684 rx_queue_id = lcore_conf->rx_queue_id; 685 bbdev_id = lcore_conf->bbdev_id; 686 enc_queue_id = lcore_conf->enc_queue_id; 687 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool; 688 enc_out_pool = lcore_conf->enc_out_pool; 689 enc_to_dec_ring = lcore_conf->enc_to_dec_ring; 690 691 /* Read packet from RX queues*/ 692 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst, 693 MAX_PKT_BURST); 694 if (!nb_rx) 695 return; 696 697 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts, 698 nb_rx) != 0)) { 699 pktmbuf_free_bulk(rx_pkts_burst, nb_rx); 700 lcore_stats->rx_lost_packets += nb_rx; 701 return; 702 } 703 704 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst, 705 nb_rx) != 0)) { 706 pktmbuf_free_bulk(enc_out_pkts, nb_rx); 707 pktmbuf_free_bulk(rx_pkts_burst, nb_rx); 708 lcore_stats->rx_lost_packets += nb_rx; 709 return; 710 } 711 712 for (i = 0; i < nb_rx; i++) { 713 char *data; 714 const uint16_t pkt_data_len = 715 rte_pktmbuf_data_len(rx_pkts_burst[i]) - 716 sizeof(struct rte_ether_hdr); 717 /* save input mbuf pointer for later comparison */ 718 enc_out_pkts[i]->userdata = rx_pkts_burst[i]; 719 720 /* copy ethernet header */ 721 rte_pktmbuf_reset(enc_out_pkts[i]); 722 data = rte_pktmbuf_append(enc_out_pkts[i], 723 sizeof(struct rte_ether_hdr)); 724 if (data == NULL) { 725 printf( 726 "Not enough space for ethernet header in encoder output mbuf\n"); 727 continue; 728 } 729 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]); 730 731 /* set op */ 732 bbdev_ops_burst[i]->turbo_enc = def_op_enc; 733 734 bbdev_ops_burst[i]->turbo_enc.input.data = 735 rx_pkts_burst[i]; 736 bbdev_ops_burst[i]->turbo_enc.input.offset = 737 sizeof(struct rte_ether_hdr); 738 /* Encoder will attach the CRC24B, adjust the length */ 739 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len; 740 741 if (in_data_len < pkt_data_len) 742 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len - 743 in_data_len); 744 else if (in_data_len > pkt_data_len) { 745 data = rte_pktmbuf_append(rx_pkts_burst[i], 746 in_data_len - pkt_data_len); 747 if (data == NULL) 748 printf( 749 "Not enough storage in mbuf to perform the encoding\n"); 750 } 751 752 bbdev_ops_burst[i]->turbo_enc.output.data = 753 enc_out_pkts[i]; 754 bbdev_ops_burst[i]->turbo_enc.output.offset = 755 sizeof(struct rte_ether_hdr); 756 } 757 758 /* Enqueue packets on BBDevice */ 759 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id, 760 bbdev_ops_burst, nb_rx); 761 if (unlikely(nb_enq < nb_rx)) { 762 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq], 763 nb_rx - nb_enq); 764 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq], 765 nb_rx - nb_enq); 766 lcore_stats->rx_lost_packets += nb_rx - nb_enq; 767 768 if (!nb_enq) 769 return; 770 } 771 772 lcore_stats->enqueued += nb_enq; 773 774 /* Dequeue packets from bbdev device*/ 775 nb_deq = 0; 776 do { 777 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id, 778 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq); 779 } while (unlikely(nb_deq < nb_enq)); 780 781 lcore_stats->dequeued += nb_deq; 782 783 /* Generate and add AWGN */ 784 add_awgn(enc_out_pkts, nb_deq); 785 786 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq); 787 788 /* Enqueue packets to encoder-to-decoder ring */ 789 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts, 790 nb_deq, NULL); 791 if (unlikely(nb_sent < nb_deq)) { 792 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent], 793 nb_deq - nb_sent); 794 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent; 795 } 796 } 797 798 static void 799 run_decoding(struct lcore_conf *lcore_conf) 800 { 801 uint16_t i; 802 uint16_t port_id, tx_queue_id; 803 uint16_t bbdev_id, bbdev_queue_id; 804 uint16_t nb_recv, nb_enq, nb_deq, nb_tx; 805 uint8_t *llr_temp_buf; 806 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST]; 807 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST]; 808 struct lcore_statistics *lcore_stats; 809 struct rte_mempool *bbdev_op_pool; 810 struct rte_ring *enc_to_dec_ring; 811 812 lcore_stats = lcore_conf->lcore_stats; 813 port_id = lcore_conf->port_id; 814 tx_queue_id = lcore_conf->tx_queue_id; 815 bbdev_id = lcore_conf->bbdev_id; 816 bbdev_queue_id = lcore_conf->dec_queue_id; 817 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool; 818 enc_to_dec_ring = lcore_conf->enc_to_dec_ring; 819 llr_temp_buf = lcore_conf->llr_temp_buf; 820 821 /* Dequeue packets from the ring */ 822 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring, 823 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL); 824 if (!nb_recv) 825 return; 826 827 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst, 828 nb_recv) != 0)) { 829 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv); 830 lcore_stats->rx_lost_packets += nb_recv; 831 return; 832 } 833 834 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv, 835 def_op_dec.cb_params.k); 836 837 for (i = 0; i < nb_recv; i++) { 838 /* set op */ 839 bbdev_ops_burst[i]->turbo_dec = def_op_dec; 840 841 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i]; 842 bbdev_ops_burst[i]->turbo_dec.input.offset = 843 sizeof(struct rte_ether_hdr); 844 bbdev_ops_burst[i]->turbo_dec.input.length = 845 rte_pktmbuf_data_len(recv_pkts_burst[i]) 846 - sizeof(struct rte_ether_hdr); 847 848 bbdev_ops_burst[i]->turbo_dec.hard_output.data = 849 recv_pkts_burst[i]; 850 bbdev_ops_burst[i]->turbo_dec.hard_output.offset = 851 sizeof(struct rte_ether_hdr); 852 } 853 854 /* Enqueue packets on BBDevice */ 855 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id, 856 bbdev_ops_burst, nb_recv); 857 if (unlikely(nb_enq < nb_recv)) { 858 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq], 859 nb_recv - nb_enq); 860 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq], 861 nb_recv - nb_enq); 862 lcore_stats->rx_lost_packets += nb_recv - nb_enq; 863 864 if (!nb_enq) 865 return; 866 } 867 868 lcore_stats->enqueued += nb_enq; 869 870 /* Dequeue packets from BBDevice */ 871 nb_deq = 0; 872 do { 873 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id, 874 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq); 875 } while (unlikely(nb_deq < nb_enq)); 876 877 lcore_stats->dequeued += nb_deq; 878 879 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq); 880 881 verify_data(recv_pkts_burst, nb_deq); 882 883 /* Free the RX mbufs after verification */ 884 for (i = 0; i < nb_deq; ++i) 885 rte_pktmbuf_free(recv_pkts_burst[i]->userdata); 886 887 /* Transmit the packets */ 888 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq); 889 if (unlikely(nb_tx < nb_deq)) { 890 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx], 891 nb_deq - nb_tx); 892 lcore_stats->tx_lost_packets += nb_deq - nb_tx; 893 } 894 } 895 896 static int 897 processing_loop(void *arg) 898 { 899 struct lcore_conf *lcore_conf = arg; 900 const bool run_encoder = (lcore_conf->core_type & 901 (1 << RTE_BBDEV_OP_TURBO_ENC)); 902 const bool run_decoder = (lcore_conf->core_type & 903 (1 << RTE_BBDEV_OP_TURBO_DEC)); 904 905 while (!rte_atomic16_read(&global_exit_flag)) { 906 if (run_encoder) 907 run_encoding(lcore_conf); 908 if (run_decoder) 909 run_decoding(lcore_conf); 910 } 911 912 return 0; 913 } 914 915 static int 916 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info, 917 struct app_config_params *app_params) 918 { 919 int ret; 920 unsigned int q_id, dec_q_id, enc_q_id; 921 struct rte_bbdev_queue_conf qconf = {0}; 922 uint16_t dec_qs_nb = app_params->num_dec_cores; 923 uint16_t enc_qs_nb = app_params->num_enc_cores; 924 uint16_t tot_qs = dec_qs_nb + enc_qs_nb; 925 926 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id); 927 if (ret < 0) 928 rte_exit(EXIT_FAILURE, 929 "ERROR(%d): BBDEV %u not configured properly\n", 930 ret, dev_id); 931 932 /* setup device DEC queues */ 933 qconf.socket = info->socket_id; 934 qconf.queue_size = info->drv.queue_size_lim; 935 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC; 936 937 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) { 938 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf); 939 if (ret < 0) 940 rte_exit(EXIT_FAILURE, 941 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n", 942 ret, dev_id, q_id); 943 app_params->dec_queue_ids[dec_q_id++] = q_id; 944 } 945 946 /* setup device ENC queues */ 947 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC; 948 949 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) { 950 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf); 951 if (ret < 0) 952 rte_exit(EXIT_FAILURE, 953 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n", 954 ret, dev_id, q_id); 955 app_params->enc_queue_ids[enc_q_id++] = q_id; 956 } 957 958 ret = rte_bbdev_start(dev_id); 959 960 if (ret != 0) 961 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n", 962 ret, dev_id); 963 964 printf("BBdev %u started\n", dev_id); 965 966 return 0; 967 } 968 969 static inline bool 970 check_matching_capabilities(uint64_t mask, uint64_t required_mask) 971 { 972 return (mask & required_mask) == required_mask; 973 } 974 975 static void 976 enable_bbdev(struct app_config_params *app_params) 977 { 978 struct rte_bbdev_info dev_info; 979 const struct rte_bbdev_op_cap *op_cap; 980 uint16_t bbdev_id = app_params->bbdev_id; 981 bool encoder_capable = false; 982 bool decoder_capable = false; 983 984 rte_bbdev_info_get(bbdev_id, &dev_info); 985 op_cap = dev_info.drv.capabilities; 986 987 while (op_cap->type != RTE_BBDEV_OP_NONE) { 988 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) { 989 if (check_matching_capabilities( 990 op_cap->cap.turbo_enc.capability_flags, 991 def_op_enc.op_flags)) 992 encoder_capable = true; 993 } 994 995 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) { 996 if (check_matching_capabilities( 997 op_cap->cap.turbo_dec.capability_flags, 998 def_op_dec.op_flags)) 999 decoder_capable = true; 1000 } 1001 1002 op_cap++; 1003 } 1004 1005 if (encoder_capable == false) 1006 rte_exit(EXIT_FAILURE, 1007 "The specified BBDev %u doesn't have required encoder capabilities!\n", 1008 bbdev_id); 1009 if (decoder_capable == false) 1010 rte_exit(EXIT_FAILURE, 1011 "The specified BBDev %u doesn't have required decoder capabilities!\n", 1012 bbdev_id); 1013 1014 prepare_bbdev_device(bbdev_id, &dev_info, app_params); 1015 } 1016 1017 int 1018 main(int argc, char **argv) 1019 { 1020 int ret; 1021 unsigned int nb_bbdevs, flags, lcore_id; 1022 void *sigret; 1023 struct app_config_params app_params = def_app_config; 1024 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool; 1025 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT]; 1026 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} }; 1027 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} }; 1028 struct stats_lcore_params stats_lcore; 1029 struct rte_ring *enc_to_dec_ring; 1030 bool stats_thread_started = false; 1031 unsigned int master_lcore_id = rte_get_master_lcore(); 1032 1033 rte_atomic16_init(&global_exit_flag); 1034 1035 sigret = signal(SIGTERM, signal_handler); 1036 if (sigret == SIG_ERR) 1037 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM); 1038 1039 sigret = signal(SIGINT, signal_handler); 1040 if (sigret == SIG_ERR) 1041 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT); 1042 1043 ret = rte_eal_init(argc, argv); 1044 if (ret < 0) 1045 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 1046 1047 argc -= ret; 1048 argv += ret; 1049 1050 /* parse application arguments (after the EAL ones) */ 1051 ret = bbdev_parse_args(argc, argv, &app_params); 1052 if (ret < 0) 1053 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n"); 1054 1055 /*create bbdev op pools*/ 1056 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] = 1057 rte_bbdev_op_pool_create("bbdev_op_pool_dec", 1058 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id()); 1059 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] = 1060 rte_bbdev_op_pool_create("bbdev_op_pool_enc", 1061 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id()); 1062 1063 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) || 1064 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL)) 1065 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n"); 1066 1067 /* Create encoder to decoder ring */ 1068 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0; 1069 if (app_params.num_dec_cores == 1) 1070 flags |= RING_F_SC_DEQ; 1071 1072 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring", 1073 rte_align32pow2(NB_MBUF), rte_socket_id(), flags); 1074 1075 /* Get the number of available bbdev devices */ 1076 nb_bbdevs = rte_bbdev_count(); 1077 if (nb_bbdevs <= app_params.bbdev_id) 1078 rte_exit(EXIT_FAILURE, 1079 "%u BBDevs detected, cannot use BBDev with ID %u!\n", 1080 nb_bbdevs, app_params.bbdev_id); 1081 printf("Number of bbdevs detected: %d\n", nb_bbdevs); 1082 1083 if (!rte_eth_dev_is_valid_port(app_params.port_id)) 1084 rte_exit(EXIT_FAILURE, 1085 "cannot use port with ID %u!\n", 1086 app_params.port_id); 1087 1088 /* create the mbuf mempool for ethdev pkts */ 1089 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool", 1090 NB_MBUF, MEMPOOL_CACHE_SIZE, 0, 1091 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1092 if (ethdev_mbuf_mempool == NULL) 1093 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n"); 1094 1095 /* create the mbuf mempool for encoder output */ 1096 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool", 1097 NB_MBUF, MEMPOOL_CACHE_SIZE, 0, 1098 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1099 if (bbdev_mbuf_mempool == NULL) 1100 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n"); 1101 1102 /* initialize ports */ 1103 ret = initialize_ports(&app_params, ethdev_mbuf_mempool); 1104 1105 /* Check if all requested lcores are available */ 1106 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) 1107 if (((1ULL << lcore_id) & app_params.enc_core_mask) || 1108 ((1ULL << lcore_id) & app_params.dec_core_mask)) 1109 if (!rte_lcore_is_enabled(lcore_id)) 1110 rte_exit(EXIT_FAILURE, 1111 "Requested lcore_id %u is not enabled!\n", 1112 lcore_id); 1113 1114 /* Start ethernet port */ 1115 ret = rte_eth_dev_start(app_params.port_id); 1116 if (ret < 0) 1117 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 1118 ret, app_params.port_id); 1119 1120 ret = check_port_link_status(app_params.port_id); 1121 if (ret < 0) 1122 exit(EXIT_FAILURE); 1123 1124 /* start BBDevice and save BBDev queue IDs */ 1125 enable_bbdev(&app_params); 1126 1127 /* Initialize the port/queue configuration of each logical core */ 1128 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools, 1129 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats); 1130 1131 stats_lcore.app_params = &app_params; 1132 stats_lcore.lconf = lcore_conf; 1133 1134 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1135 if (lcore_conf[lcore_id].core_type != 0) 1136 /* launch per-lcore processing loop on slave lcores */ 1137 rte_eal_remote_launch(processing_loop, 1138 &lcore_conf[lcore_id], lcore_id); 1139 else if (!stats_thread_started) { 1140 /* launch statistics printing loop */ 1141 rte_eal_remote_launch(stats_loop, &stats_lcore, 1142 lcore_id); 1143 stats_thread_started = true; 1144 } 1145 } 1146 1147 if (!stats_thread_started && 1148 lcore_conf[master_lcore_id].core_type != 0) 1149 rte_exit(EXIT_FAILURE, 1150 "Not enough lcores to run the statistics printing loop!"); 1151 else if (lcore_conf[master_lcore_id].core_type != 0) 1152 processing_loop(&lcore_conf[master_lcore_id]); 1153 else if (!stats_thread_started) 1154 stats_loop(&stats_lcore); 1155 1156 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1157 ret |= rte_eal_wait_lcore(lcore_id); 1158 } 1159 1160 return ret; 1161 } 1162