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 int link_get_err = -EINVAL; 316 317 printf("\nChecking link status."); 318 fflush(stdout); 319 320 for (count = 0; count <= MAX_CHECK_TIME && 321 !rte_atomic16_read(&global_exit_flag); count++) { 322 memset(&link, 0, sizeof(link)); 323 link_get_err = rte_eth_link_get_nowait(port_id, &link); 324 325 if (link_get_err >= 0 && link.link_status) { 326 const char *dp = (link.link_duplex == 327 ETH_LINK_FULL_DUPLEX) ? 328 "full-duplex" : "half-duplex"; 329 printf("\nPort %u Link Up - speed %u Mbps - %s\n", 330 port_id, link.link_speed, dp); 331 return 0; 332 } 333 printf("."); 334 fflush(stdout); 335 rte_delay_ms(CHECK_INTERVAL); 336 } 337 338 if (link_get_err >= 0) 339 printf("\nPort %d Link Down\n", port_id); 340 else 341 printf("\nGet link failed (port %d): %s\n", port_id, 342 rte_strerror(-link_get_err)); 343 344 return 0; 345 } 346 347 static inline void 348 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst) 349 { 350 struct rte_ether_hdr *eth_from; 351 struct rte_ether_hdr *eth_to; 352 353 eth_from = rte_pktmbuf_mtod(pkt_src, struct rte_ether_hdr *); 354 eth_to = rte_pktmbuf_mtod(pkt_dst, struct rte_ether_hdr *); 355 356 /* copy header */ 357 rte_memcpy(eth_to, eth_from, sizeof(struct rte_ether_hdr)); 358 } 359 360 static inline void 361 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts) 362 { 363 RTE_SET_USED(mbufs); 364 RTE_SET_USED(num_pkts); 365 } 366 367 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input 368 * so each bit of the encoder output must be translated into one byte of LLR. If 369 * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes 370 * must additionally be insterted at the end of each sub-block. 371 */ 372 static inline void 373 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf, 374 uint16_t num_pkts, uint16_t k) 375 { 376 uint16_t i, l, j; 377 uint16_t start_bit_idx; 378 uint16_t out_idx; 379 uint16_t d = k + 4; 380 uint16_t kpi = RTE_ALIGN_CEIL(d, 32); 381 uint16_t nd = kpi - d; 382 uint16_t ncb = 3 * kpi; 383 384 for (i = 0; i < num_pkts; ++i) { 385 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) - 386 sizeof(struct rte_ether_hdr); 387 388 /* Resize the packet if needed */ 389 if (pkt_data_len < ncb) { 390 char *data = rte_pktmbuf_append(mbufs[i], 391 ncb - pkt_data_len); 392 if (data == NULL) 393 printf( 394 "Not enough space in decoder input packet"); 395 } 396 397 /* Translate each bit into 1 LLR byte. */ 398 start_bit_idx = 0; 399 out_idx = 0; 400 for (j = 0; j < 3; ++j) { 401 for (l = start_bit_idx; l < start_bit_idx + d; ++l) { 402 uint8_t *data = rte_pktmbuf_mtod_offset( 403 mbufs[i], uint8_t *, 404 sizeof(struct rte_ether_hdr) + 405 (l >> 3)); 406 if (*data & (0x80 >> (l & 7))) 407 temp_buf[out_idx] = LLR_1_BIT; 408 else 409 temp_buf[out_idx] = LLR_0_BIT; 410 ++out_idx; 411 } 412 /* Padding bytes should be at the end of the sub-block. 413 */ 414 memset(&temp_buf[out_idx], 0, nd); 415 out_idx += nd; 416 start_bit_idx += d; 417 } 418 419 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *, 420 sizeof(struct rte_ether_hdr)), temp_buf, ncb); 421 } 422 } 423 424 static inline void 425 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts) 426 { 427 uint16_t i; 428 for (i = 0; i < num_pkts; ++i) { 429 struct rte_mbuf *out = mbufs[i]; 430 struct rte_mbuf *in = out->userdata; 431 432 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *, 433 sizeof(struct rte_ether_hdr)), 434 rte_pktmbuf_mtod_offset(out, uint8_t *, 435 sizeof(struct rte_ether_hdr)), 436 K / 8 - CRC_24B_LEN)) 437 printf("Input and output buffers are not equal!\n"); 438 } 439 } 440 441 static int 442 initialize_ports(struct app_config_params *app_params, 443 struct rte_mempool *ethdev_mbuf_mempool) 444 { 445 int ret; 446 uint16_t port_id = app_params->port_id; 447 uint16_t q; 448 /* ethernet addresses of ports */ 449 struct rte_ether_addr bbdev_port_eth_addr; 450 451 /* initialize ports */ 452 printf("\nInitializing port %u...\n", app_params->port_id); 453 ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores, 454 app_params->num_dec_cores, &port_conf); 455 456 if (ret < 0) { 457 printf("Cannot configure device: err=%d, port=%u\n", 458 ret, port_id); 459 return -1; 460 } 461 462 /* initialize RX queues for encoder */ 463 for (q = 0; q < app_params->num_enc_cores; q++) { 464 ret = rte_eth_rx_queue_setup(port_id, q, 465 RTE_TEST_RX_DESC_DEFAULT, 466 rte_eth_dev_socket_id(port_id), 467 NULL, ethdev_mbuf_mempool); 468 if (ret < 0) { 469 printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n", 470 ret, q); 471 return -1; 472 } 473 } 474 /* initialize TX queues for decoder */ 475 for (q = 0; q < app_params->num_dec_cores; q++) { 476 ret = rte_eth_tx_queue_setup(port_id, q, 477 RTE_TEST_TX_DESC_DEFAULT, 478 rte_eth_dev_socket_id(port_id), NULL); 479 if (ret < 0) { 480 printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n", 481 ret, q); 482 return -1; 483 } 484 } 485 486 ret = rte_eth_promiscuous_enable(port_id); 487 if (ret != 0) { 488 printf("Cannot enable promiscuous mode: err=%s, port=%u\n", 489 rte_strerror(-ret), port_id); 490 return ret; 491 } 492 493 ret = rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr); 494 if (ret < 0) { 495 printf("rte_eth_macaddr_get: err=%d, queue=%u\n", 496 ret, q); 497 return -1; 498 } 499 500 print_mac(port_id, &bbdev_port_eth_addr); 501 502 return 0; 503 } 504 505 static void 506 lcore_conf_init(struct app_config_params *app_params, 507 struct lcore_conf *lcore_conf, 508 struct rte_mempool **bbdev_op_pools, 509 struct rte_mempool *bbdev_mbuf_mempool, 510 struct rte_ring *enc_to_dec_ring, 511 struct lcore_statistics *lcore_stats) 512 { 513 unsigned int lcore_id; 514 struct lcore_conf *lconf; 515 uint16_t rx_queue_id = 0; 516 uint16_t tx_queue_id = 0; 517 uint16_t enc_q_id = 0; 518 uint16_t dec_q_id = 0; 519 520 /* Configure lcores */ 521 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) { 522 lconf = &lcore_conf[lcore_id]; 523 lconf->core_type = 0; 524 525 if ((1ULL << lcore_id) & app_params->enc_core_mask) { 526 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC); 527 lconf->rx_queue_id = rx_queue_id++; 528 lconf->enc_queue_id = 529 app_params->enc_queue_ids[enc_q_id++]; 530 } 531 532 if ((1ULL << lcore_id) & app_params->dec_core_mask) { 533 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC); 534 lconf->tx_queue_id = tx_queue_id++; 535 lconf->dec_queue_id = 536 app_params->dec_queue_ids[dec_q_id++]; 537 } 538 539 lconf->bbdev_enc_op_pool = 540 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC]; 541 lconf->bbdev_dec_op_pool = 542 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC]; 543 lconf->bbdev_id = app_params->bbdev_id; 544 lconf->port_id = app_params->port_id; 545 lconf->enc_out_pool = bbdev_mbuf_mempool; 546 lconf->enc_to_dec_ring = enc_to_dec_ring; 547 lconf->lcore_stats = &lcore_stats[lcore_id]; 548 } 549 } 550 551 static void 552 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id) 553 { 554 static const char *stats_border = "_______"; 555 556 printf("\nLcore %d: %s enqueued count:\t\t%u\n", 557 lcore_id, stats_border, lstats->enqueued); 558 printf("Lcore %d: %s dequeued count:\t\t%u\n", 559 lcore_id, stats_border, lstats->dequeued); 560 printf("Lcore %d: %s RX lost packets count:\t\t%u\n", 561 lcore_id, stats_border, lstats->rx_lost_packets); 562 printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n", 563 lcore_id, stats_border, 564 lstats->enc_to_dec_lost_packets); 565 printf("Lcore %d: %s TX lost packets count:\t\t%u\n", 566 lcore_id, stats_border, lstats->tx_lost_packets); 567 } 568 569 static void 570 print_stats(struct stats_lcore_params *stats_lcore) 571 { 572 unsigned int l_id; 573 unsigned int bbdev_id = stats_lcore->app_params->bbdev_id; 574 unsigned int port_id = stats_lcore->app_params->port_id; 575 int len, ret, i; 576 577 struct rte_eth_xstat *xstats; 578 struct rte_eth_xstat_name *xstats_names; 579 struct rte_bbdev_stats bbstats; 580 static const char *stats_border = "_______"; 581 582 const char clr[] = { 27, '[', '2', 'J', '\0' }; 583 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 584 585 /* Clear screen and move to top left */ 586 printf("%s%s", clr, topLeft); 587 588 printf("PORT STATISTICS:\n================\n"); 589 len = rte_eth_xstats_get(port_id, NULL, 0); 590 if (len < 0) 591 rte_exit(EXIT_FAILURE, 592 "rte_eth_xstats_get(%u) failed: %d", port_id, 593 len); 594 595 xstats = calloc(len, sizeof(*xstats)); 596 if (xstats == NULL) 597 rte_exit(EXIT_FAILURE, 598 "Failed to calloc memory for xstats"); 599 600 ret = rte_eth_xstats_get(port_id, xstats, len); 601 if (ret < 0 || ret > len) { 602 free(xstats); 603 rte_exit(EXIT_FAILURE, 604 "rte_eth_xstats_get(%u) len%i failed: %d", 605 port_id, len, ret); 606 } 607 608 xstats_names = calloc(len, sizeof(*xstats_names)); 609 if (xstats_names == NULL) { 610 free(xstats); 611 rte_exit(EXIT_FAILURE, 612 "Failed to calloc memory for xstats_names"); 613 } 614 615 ret = rte_eth_xstats_get_names(port_id, xstats_names, len); 616 if (ret < 0 || ret > len) { 617 free(xstats); 618 free(xstats_names); 619 rte_exit(EXIT_FAILURE, 620 "rte_eth_xstats_get_names(%u) len%i failed: %d", 621 port_id, len, ret); 622 } 623 624 for (i = 0; i < len; i++) { 625 if (xstats[i].value > 0) 626 printf("Port %u: %s %s:\t\t%"PRIu64"\n", 627 port_id, stats_border, 628 xstats_names[i].name, 629 xstats[i].value); 630 } 631 632 ret = rte_bbdev_stats_get(bbdev_id, &bbstats); 633 if (ret < 0) { 634 free(xstats); 635 free(xstats_names); 636 rte_exit(EXIT_FAILURE, 637 "ERROR(%d): Failure to get BBDEV %u statistics\n", 638 ret, bbdev_id); 639 } 640 641 printf("\nBBDEV STATISTICS:\n=================\n"); 642 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n", 643 bbdev_id, stats_border, 644 bbstats.enqueued_count); 645 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n", 646 bbdev_id, stats_border, 647 bbstats.dequeued_count); 648 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n", 649 bbdev_id, stats_border, 650 bbstats.enqueue_err_count); 651 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n", 652 bbdev_id, stats_border, 653 bbstats.dequeue_err_count); 654 655 printf("LCORE STATISTICS:\n=================\n"); 656 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) { 657 if (stats_lcore->lconf[l_id].core_type == 0) 658 continue; 659 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id); 660 } 661 662 fflush(stdout); 663 664 free(xstats); 665 free(xstats_names); 666 } 667 668 static int 669 stats_loop(void *arg) 670 { 671 struct stats_lcore_params *stats_lcore = arg; 672 673 while (!rte_atomic16_read(&global_exit_flag)) { 674 print_stats(stats_lcore); 675 rte_delay_ms(500); 676 } 677 678 return 0; 679 } 680 681 static inline void 682 run_encoding(struct lcore_conf *lcore_conf) 683 { 684 uint16_t i; 685 uint16_t port_id, rx_queue_id; 686 uint16_t bbdev_id, enc_queue_id; 687 uint16_t nb_rx, nb_enq, nb_deq, nb_sent; 688 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST]; 689 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST]; 690 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST]; 691 struct lcore_statistics *lcore_stats; 692 struct rte_mempool *bbdev_op_pool, *enc_out_pool; 693 struct rte_ring *enc_to_dec_ring; 694 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN; 695 696 lcore_stats = lcore_conf->lcore_stats; 697 port_id = lcore_conf->port_id; 698 rx_queue_id = lcore_conf->rx_queue_id; 699 bbdev_id = lcore_conf->bbdev_id; 700 enc_queue_id = lcore_conf->enc_queue_id; 701 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool; 702 enc_out_pool = lcore_conf->enc_out_pool; 703 enc_to_dec_ring = lcore_conf->enc_to_dec_ring; 704 705 /* Read packet from RX queues*/ 706 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst, 707 MAX_PKT_BURST); 708 if (!nb_rx) 709 return; 710 711 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts, 712 nb_rx) != 0)) { 713 pktmbuf_free_bulk(rx_pkts_burst, nb_rx); 714 lcore_stats->rx_lost_packets += nb_rx; 715 return; 716 } 717 718 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst, 719 nb_rx) != 0)) { 720 pktmbuf_free_bulk(enc_out_pkts, nb_rx); 721 pktmbuf_free_bulk(rx_pkts_burst, nb_rx); 722 lcore_stats->rx_lost_packets += nb_rx; 723 return; 724 } 725 726 for (i = 0; i < nb_rx; i++) { 727 char *data; 728 const uint16_t pkt_data_len = 729 rte_pktmbuf_data_len(rx_pkts_burst[i]) - 730 sizeof(struct rte_ether_hdr); 731 /* save input mbuf pointer for later comparison */ 732 enc_out_pkts[i]->userdata = rx_pkts_burst[i]; 733 734 /* copy ethernet header */ 735 rte_pktmbuf_reset(enc_out_pkts[i]); 736 data = rte_pktmbuf_append(enc_out_pkts[i], 737 sizeof(struct rte_ether_hdr)); 738 if (data == NULL) { 739 printf( 740 "Not enough space for ethernet header in encoder output mbuf\n"); 741 continue; 742 } 743 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]); 744 745 /* set op */ 746 bbdev_ops_burst[i]->turbo_enc = def_op_enc; 747 748 bbdev_ops_burst[i]->turbo_enc.input.data = 749 rx_pkts_burst[i]; 750 bbdev_ops_burst[i]->turbo_enc.input.offset = 751 sizeof(struct rte_ether_hdr); 752 /* Encoder will attach the CRC24B, adjust the length */ 753 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len; 754 755 if (in_data_len < pkt_data_len) 756 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len - 757 in_data_len); 758 else if (in_data_len > pkt_data_len) { 759 data = rte_pktmbuf_append(rx_pkts_burst[i], 760 in_data_len - pkt_data_len); 761 if (data == NULL) 762 printf( 763 "Not enough storage in mbuf to perform the encoding\n"); 764 } 765 766 bbdev_ops_burst[i]->turbo_enc.output.data = 767 enc_out_pkts[i]; 768 bbdev_ops_burst[i]->turbo_enc.output.offset = 769 sizeof(struct rte_ether_hdr); 770 } 771 772 /* Enqueue packets on BBDevice */ 773 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id, 774 bbdev_ops_burst, nb_rx); 775 if (unlikely(nb_enq < nb_rx)) { 776 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq], 777 nb_rx - nb_enq); 778 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq], 779 nb_rx - nb_enq); 780 lcore_stats->rx_lost_packets += nb_rx - nb_enq; 781 782 if (!nb_enq) 783 return; 784 } 785 786 lcore_stats->enqueued += nb_enq; 787 788 /* Dequeue packets from bbdev device*/ 789 nb_deq = 0; 790 do { 791 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id, 792 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq); 793 } while (unlikely(nb_deq < nb_enq)); 794 795 lcore_stats->dequeued += nb_deq; 796 797 /* Generate and add AWGN */ 798 add_awgn(enc_out_pkts, nb_deq); 799 800 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq); 801 802 /* Enqueue packets to encoder-to-decoder ring */ 803 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts, 804 nb_deq, NULL); 805 if (unlikely(nb_sent < nb_deq)) { 806 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent], 807 nb_deq - nb_sent); 808 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent; 809 } 810 } 811 812 static void 813 run_decoding(struct lcore_conf *lcore_conf) 814 { 815 uint16_t i; 816 uint16_t port_id, tx_queue_id; 817 uint16_t bbdev_id, bbdev_queue_id; 818 uint16_t nb_recv, nb_enq, nb_deq, nb_tx; 819 uint8_t *llr_temp_buf; 820 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST]; 821 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST]; 822 struct lcore_statistics *lcore_stats; 823 struct rte_mempool *bbdev_op_pool; 824 struct rte_ring *enc_to_dec_ring; 825 826 lcore_stats = lcore_conf->lcore_stats; 827 port_id = lcore_conf->port_id; 828 tx_queue_id = lcore_conf->tx_queue_id; 829 bbdev_id = lcore_conf->bbdev_id; 830 bbdev_queue_id = lcore_conf->dec_queue_id; 831 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool; 832 enc_to_dec_ring = lcore_conf->enc_to_dec_ring; 833 llr_temp_buf = lcore_conf->llr_temp_buf; 834 835 /* Dequeue packets from the ring */ 836 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring, 837 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL); 838 if (!nb_recv) 839 return; 840 841 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst, 842 nb_recv) != 0)) { 843 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv); 844 lcore_stats->rx_lost_packets += nb_recv; 845 return; 846 } 847 848 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv, 849 def_op_dec.cb_params.k); 850 851 for (i = 0; i < nb_recv; i++) { 852 /* set op */ 853 bbdev_ops_burst[i]->turbo_dec = def_op_dec; 854 855 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i]; 856 bbdev_ops_burst[i]->turbo_dec.input.offset = 857 sizeof(struct rte_ether_hdr); 858 bbdev_ops_burst[i]->turbo_dec.input.length = 859 rte_pktmbuf_data_len(recv_pkts_burst[i]) 860 - sizeof(struct rte_ether_hdr); 861 862 bbdev_ops_burst[i]->turbo_dec.hard_output.data = 863 recv_pkts_burst[i]; 864 bbdev_ops_burst[i]->turbo_dec.hard_output.offset = 865 sizeof(struct rte_ether_hdr); 866 } 867 868 /* Enqueue packets on BBDevice */ 869 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id, 870 bbdev_ops_burst, nb_recv); 871 if (unlikely(nb_enq < nb_recv)) { 872 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq], 873 nb_recv - nb_enq); 874 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq], 875 nb_recv - nb_enq); 876 lcore_stats->rx_lost_packets += nb_recv - nb_enq; 877 878 if (!nb_enq) 879 return; 880 } 881 882 lcore_stats->enqueued += nb_enq; 883 884 /* Dequeue packets from BBDevice */ 885 nb_deq = 0; 886 do { 887 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id, 888 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq); 889 } while (unlikely(nb_deq < nb_enq)); 890 891 lcore_stats->dequeued += nb_deq; 892 893 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq); 894 895 verify_data(recv_pkts_burst, nb_deq); 896 897 /* Free the RX mbufs after verification */ 898 for (i = 0; i < nb_deq; ++i) 899 rte_pktmbuf_free(recv_pkts_burst[i]->userdata); 900 901 /* Transmit the packets */ 902 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq); 903 if (unlikely(nb_tx < nb_deq)) { 904 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx], 905 nb_deq - nb_tx); 906 lcore_stats->tx_lost_packets += nb_deq - nb_tx; 907 } 908 } 909 910 static int 911 processing_loop(void *arg) 912 { 913 struct lcore_conf *lcore_conf = arg; 914 const bool run_encoder = (lcore_conf->core_type & 915 (1 << RTE_BBDEV_OP_TURBO_ENC)); 916 const bool run_decoder = (lcore_conf->core_type & 917 (1 << RTE_BBDEV_OP_TURBO_DEC)); 918 919 while (!rte_atomic16_read(&global_exit_flag)) { 920 if (run_encoder) 921 run_encoding(lcore_conf); 922 if (run_decoder) 923 run_decoding(lcore_conf); 924 } 925 926 return 0; 927 } 928 929 static int 930 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info, 931 struct app_config_params *app_params) 932 { 933 int ret; 934 unsigned int q_id, dec_q_id, enc_q_id; 935 struct rte_bbdev_queue_conf qconf = {0}; 936 uint16_t dec_qs_nb = app_params->num_dec_cores; 937 uint16_t enc_qs_nb = app_params->num_enc_cores; 938 uint16_t tot_qs = dec_qs_nb + enc_qs_nb; 939 940 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id); 941 if (ret < 0) 942 rte_exit(EXIT_FAILURE, 943 "ERROR(%d): BBDEV %u not configured properly\n", 944 ret, dev_id); 945 946 /* setup device DEC queues */ 947 qconf.socket = info->socket_id; 948 qconf.queue_size = info->drv.queue_size_lim; 949 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC; 950 951 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) { 952 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf); 953 if (ret < 0) 954 rte_exit(EXIT_FAILURE, 955 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n", 956 ret, dev_id, q_id); 957 app_params->dec_queue_ids[dec_q_id++] = q_id; 958 } 959 960 /* setup device ENC queues */ 961 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC; 962 963 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) { 964 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf); 965 if (ret < 0) 966 rte_exit(EXIT_FAILURE, 967 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n", 968 ret, dev_id, q_id); 969 app_params->enc_queue_ids[enc_q_id++] = q_id; 970 } 971 972 ret = rte_bbdev_start(dev_id); 973 974 if (ret != 0) 975 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n", 976 ret, dev_id); 977 978 printf("BBdev %u started\n", dev_id); 979 980 return 0; 981 } 982 983 static inline bool 984 check_matching_capabilities(uint64_t mask, uint64_t required_mask) 985 { 986 return (mask & required_mask) == required_mask; 987 } 988 989 static void 990 enable_bbdev(struct app_config_params *app_params) 991 { 992 struct rte_bbdev_info dev_info; 993 const struct rte_bbdev_op_cap *op_cap; 994 uint16_t bbdev_id = app_params->bbdev_id; 995 bool encoder_capable = false; 996 bool decoder_capable = false; 997 998 rte_bbdev_info_get(bbdev_id, &dev_info); 999 op_cap = dev_info.drv.capabilities; 1000 1001 while (op_cap->type != RTE_BBDEV_OP_NONE) { 1002 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) { 1003 if (check_matching_capabilities( 1004 op_cap->cap.turbo_enc.capability_flags, 1005 def_op_enc.op_flags)) 1006 encoder_capable = true; 1007 } 1008 1009 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) { 1010 if (check_matching_capabilities( 1011 op_cap->cap.turbo_dec.capability_flags, 1012 def_op_dec.op_flags)) 1013 decoder_capable = true; 1014 } 1015 1016 op_cap++; 1017 } 1018 1019 if (encoder_capable == false) 1020 rte_exit(EXIT_FAILURE, 1021 "The specified BBDev %u doesn't have required encoder capabilities!\n", 1022 bbdev_id); 1023 if (decoder_capable == false) 1024 rte_exit(EXIT_FAILURE, 1025 "The specified BBDev %u doesn't have required decoder capabilities!\n", 1026 bbdev_id); 1027 1028 prepare_bbdev_device(bbdev_id, &dev_info, app_params); 1029 } 1030 1031 int 1032 main(int argc, char **argv) 1033 { 1034 int ret; 1035 unsigned int nb_bbdevs, flags, lcore_id; 1036 void *sigret; 1037 struct app_config_params app_params = def_app_config; 1038 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool; 1039 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT]; 1040 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} }; 1041 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} }; 1042 struct stats_lcore_params stats_lcore; 1043 struct rte_ring *enc_to_dec_ring; 1044 bool stats_thread_started = false; 1045 unsigned int master_lcore_id = rte_get_master_lcore(); 1046 1047 rte_atomic16_init(&global_exit_flag); 1048 1049 sigret = signal(SIGTERM, signal_handler); 1050 if (sigret == SIG_ERR) 1051 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM); 1052 1053 sigret = signal(SIGINT, signal_handler); 1054 if (sigret == SIG_ERR) 1055 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT); 1056 1057 ret = rte_eal_init(argc, argv); 1058 if (ret < 0) 1059 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 1060 1061 argc -= ret; 1062 argv += ret; 1063 1064 /* parse application arguments (after the EAL ones) */ 1065 ret = bbdev_parse_args(argc, argv, &app_params); 1066 if (ret < 0) 1067 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n"); 1068 1069 /*create bbdev op pools*/ 1070 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] = 1071 rte_bbdev_op_pool_create("bbdev_op_pool_dec", 1072 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id()); 1073 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] = 1074 rte_bbdev_op_pool_create("bbdev_op_pool_enc", 1075 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id()); 1076 1077 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) || 1078 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL)) 1079 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n"); 1080 1081 /* Create encoder to decoder ring */ 1082 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0; 1083 if (app_params.num_dec_cores == 1) 1084 flags |= RING_F_SC_DEQ; 1085 1086 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring", 1087 rte_align32pow2(NB_MBUF), rte_socket_id(), flags); 1088 1089 /* Get the number of available bbdev devices */ 1090 nb_bbdevs = rte_bbdev_count(); 1091 if (nb_bbdevs <= app_params.bbdev_id) 1092 rte_exit(EXIT_FAILURE, 1093 "%u BBDevs detected, cannot use BBDev with ID %u!\n", 1094 nb_bbdevs, app_params.bbdev_id); 1095 printf("Number of bbdevs detected: %d\n", nb_bbdevs); 1096 1097 if (!rte_eth_dev_is_valid_port(app_params.port_id)) 1098 rte_exit(EXIT_FAILURE, 1099 "cannot use port with ID %u!\n", 1100 app_params.port_id); 1101 1102 /* create the mbuf mempool for ethdev pkts */ 1103 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool", 1104 NB_MBUF, MEMPOOL_CACHE_SIZE, 0, 1105 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1106 if (ethdev_mbuf_mempool == NULL) 1107 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n"); 1108 1109 /* create the mbuf mempool for encoder output */ 1110 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool", 1111 NB_MBUF, MEMPOOL_CACHE_SIZE, 0, 1112 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1113 if (bbdev_mbuf_mempool == NULL) 1114 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n"); 1115 1116 /* initialize ports */ 1117 ret = initialize_ports(&app_params, ethdev_mbuf_mempool); 1118 1119 /* Check if all requested lcores are available */ 1120 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) 1121 if (((1ULL << lcore_id) & app_params.enc_core_mask) || 1122 ((1ULL << lcore_id) & app_params.dec_core_mask)) 1123 if (!rte_lcore_is_enabled(lcore_id)) 1124 rte_exit(EXIT_FAILURE, 1125 "Requested lcore_id %u is not enabled!\n", 1126 lcore_id); 1127 1128 /* Start ethernet port */ 1129 ret = rte_eth_dev_start(app_params.port_id); 1130 if (ret < 0) 1131 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 1132 ret, app_params.port_id); 1133 1134 ret = check_port_link_status(app_params.port_id); 1135 if (ret < 0) 1136 exit(EXIT_FAILURE); 1137 1138 /* start BBDevice and save BBDev queue IDs */ 1139 enable_bbdev(&app_params); 1140 1141 /* Initialize the port/queue configuration of each logical core */ 1142 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools, 1143 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats); 1144 1145 stats_lcore.app_params = &app_params; 1146 stats_lcore.lconf = lcore_conf; 1147 1148 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1149 if (lcore_conf[lcore_id].core_type != 0) 1150 /* launch per-lcore processing loop on slave lcores */ 1151 rte_eal_remote_launch(processing_loop, 1152 &lcore_conf[lcore_id], lcore_id); 1153 else if (!stats_thread_started) { 1154 /* launch statistics printing loop */ 1155 rte_eal_remote_launch(stats_loop, &stats_lcore, 1156 lcore_id); 1157 stats_thread_started = true; 1158 } 1159 } 1160 1161 if (!stats_thread_started && 1162 lcore_conf[master_lcore_id].core_type != 0) 1163 rte_exit(EXIT_FAILURE, 1164 "Not enough lcores to run the statistics printing loop!"); 1165 else if (lcore_conf[master_lcore_id].core_type != 0) 1166 processing_loop(&lcore_conf[master_lcore_id]); 1167 else if (!stats_thread_started) 1168 stats_loop(&stats_lcore); 1169 1170 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1171 ret |= rte_eal_wait_lcore(lcore_id); 1172 } 1173 1174 return ret; 1175 } 1176