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 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 rte_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 rte_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 rte_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 rte_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 rte_ether_hdr); 839 bbdev_ops_burst[i]->turbo_dec.input.length = 840 rte_pktmbuf_data_len(recv_pkts_burst[i]) 841 - sizeof(struct rte_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 rte_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 } 1157