1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Intel Corporation 3 */ 4 5 #include <string.h> 6 7 #include <rte_common.h> 8 #include <rte_bus_vdev.h> 9 #include <rte_malloc.h> 10 #include <rte_ring.h> 11 #include <rte_kvargs.h> 12 13 #include <rte_bbdev.h> 14 #include <rte_bbdev_pmd.h> 15 16 #include <phy_turbo.h> 17 #include <phy_crc.h> 18 #include <phy_rate_match.h> 19 #include <divide.h> 20 21 #define DRIVER_NAME turbo_sw 22 23 /* Turbo SW PMD logging ID */ 24 static int bbdev_turbo_sw_logtype; 25 26 /* Helper macro for logging */ 27 #define rte_bbdev_log(level, fmt, ...) \ 28 rte_log(RTE_LOG_ ## level, bbdev_turbo_sw_logtype, fmt "\n", \ 29 ##__VA_ARGS__) 30 31 #define rte_bbdev_log_debug(fmt, ...) \ 32 rte_bbdev_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \ 33 ##__VA_ARGS__) 34 35 /* Number of columns in sub-block interleaver (36.212, section 5.1.4.1.1) */ 36 #define C_SUBBLOCK (32) 37 #define MAX_TB_SIZE (391656) 38 #define MAX_CB_SIZE (6144) 39 #define MAX_KW (18528) 40 41 /* private data structure */ 42 struct bbdev_private { 43 unsigned int max_nb_queues; /**< Max number of queues */ 44 }; 45 46 /* Initialisation params structure that can be used by Turbo SW driver */ 47 struct turbo_sw_params { 48 int socket_id; /*< Turbo SW device socket */ 49 uint16_t queues_num; /*< Turbo SW device queues number */ 50 }; 51 52 /* Accecptable params for Turbo SW devices */ 53 #define TURBO_SW_MAX_NB_QUEUES_ARG "max_nb_queues" 54 #define TURBO_SW_SOCKET_ID_ARG "socket_id" 55 56 static const char * const turbo_sw_valid_params[] = { 57 TURBO_SW_MAX_NB_QUEUES_ARG, 58 TURBO_SW_SOCKET_ID_ARG 59 }; 60 61 /* queue */ 62 struct turbo_sw_queue { 63 /* Ring for processed (encoded/decoded) operations which are ready to 64 * be dequeued. 65 */ 66 struct rte_ring *processed_pkts; 67 /* Stores input for turbo encoder (used when CRC attachment is 68 * performed 69 */ 70 uint8_t *enc_in; 71 /* Stores output from turbo encoder */ 72 uint8_t *enc_out; 73 /* Alpha gamma buf for bblib_turbo_decoder() function */ 74 int8_t *ag; 75 /* Temp buf for bblib_turbo_decoder() function */ 76 uint16_t *code_block; 77 /* Input buf for bblib_rate_dematching_lte() function */ 78 uint8_t *deint_input; 79 /* Output buf for bblib_rate_dematching_lte() function */ 80 uint8_t *deint_output; 81 /* Output buf for bblib_turbodec_adapter_lte() function */ 82 uint8_t *adapter_output; 83 /* Operation type of this queue */ 84 enum rte_bbdev_op_type type; 85 } __rte_cache_aligned; 86 87 /* Calculate index based on Table 5.1.3-3 from TS34.212 */ 88 static inline int32_t 89 compute_idx(uint16_t k) 90 { 91 int32_t result = 0; 92 93 if (k < 40 || k > MAX_CB_SIZE) 94 return -1; 95 96 if (k > 2048) { 97 if ((k - 2048) % 64 != 0) 98 result = -1; 99 100 result = 124 + (k - 2048) / 64; 101 } else if (k <= 512) { 102 if ((k - 40) % 8 != 0) 103 result = -1; 104 105 result = (k - 40) / 8 + 1; 106 } else if (k <= 1024) { 107 if ((k - 512) % 16 != 0) 108 result = -1; 109 110 result = 60 + (k - 512) / 16; 111 } else { /* 1024 < k <= 2048 */ 112 if ((k - 1024) % 32 != 0) 113 result = -1; 114 115 result = 92 + (k - 1024) / 32; 116 } 117 118 return result; 119 } 120 121 /* Read flag value 0/1 from bitmap */ 122 static inline bool 123 check_bit(uint32_t bitmap, uint32_t bitmask) 124 { 125 return bitmap & bitmask; 126 } 127 128 /* Get device info */ 129 static void 130 info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info) 131 { 132 struct bbdev_private *internals = dev->data->dev_private; 133 134 static const struct rte_bbdev_op_cap bbdev_capabilities[] = { 135 { 136 .type = RTE_BBDEV_OP_TURBO_DEC, 137 .cap.turbo_dec = { 138 .capability_flags = 139 RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE | 140 RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN | 141 RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN | 142 RTE_BBDEV_TURBO_CRC_TYPE_24B | 143 RTE_BBDEV_TURBO_EARLY_TERMINATION, 144 .num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS, 145 .num_buffers_hard_out = 146 RTE_BBDEV_MAX_CODE_BLOCKS, 147 .num_buffers_soft_out = 0, 148 } 149 }, 150 { 151 .type = RTE_BBDEV_OP_TURBO_ENC, 152 .cap.turbo_enc = { 153 .capability_flags = 154 RTE_BBDEV_TURBO_CRC_24B_ATTACH | 155 RTE_BBDEV_TURBO_CRC_24A_ATTACH | 156 RTE_BBDEV_TURBO_RATE_MATCH | 157 RTE_BBDEV_TURBO_RV_INDEX_BYPASS, 158 .num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS, 159 .num_buffers_dst = RTE_BBDEV_MAX_CODE_BLOCKS, 160 } 161 }, 162 RTE_BBDEV_END_OF_CAPABILITIES_LIST() 163 }; 164 165 static struct rte_bbdev_queue_conf default_queue_conf = { 166 .queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT, 167 }; 168 169 static const enum rte_cpu_flag_t cpu_flag = RTE_CPUFLAG_SSE4_2; 170 171 default_queue_conf.socket = dev->data->socket_id; 172 173 dev_info->driver_name = RTE_STR(DRIVER_NAME); 174 dev_info->max_num_queues = internals->max_nb_queues; 175 dev_info->queue_size_lim = RTE_BBDEV_QUEUE_SIZE_LIMIT; 176 dev_info->hardware_accelerated = false; 177 dev_info->max_queue_priority = 0; 178 dev_info->default_queue_conf = default_queue_conf; 179 dev_info->capabilities = bbdev_capabilities; 180 dev_info->cpu_flag_reqs = &cpu_flag; 181 dev_info->min_alignment = 64; 182 183 rte_bbdev_log_debug("got device info from %u\n", dev->data->dev_id); 184 } 185 186 /* Release queue */ 187 static int 188 q_release(struct rte_bbdev *dev, uint16_t q_id) 189 { 190 struct turbo_sw_queue *q = dev->data->queues[q_id].queue_private; 191 192 if (q != NULL) { 193 rte_ring_free(q->processed_pkts); 194 rte_free(q->enc_out); 195 rte_free(q->enc_in); 196 rte_free(q->ag); 197 rte_free(q->code_block); 198 rte_free(q->deint_input); 199 rte_free(q->deint_output); 200 rte_free(q->adapter_output); 201 rte_free(q); 202 dev->data->queues[q_id].queue_private = NULL; 203 } 204 205 rte_bbdev_log_debug("released device queue %u:%u", 206 dev->data->dev_id, q_id); 207 return 0; 208 } 209 210 /* Setup a queue */ 211 static int 212 q_setup(struct rte_bbdev *dev, uint16_t q_id, 213 const struct rte_bbdev_queue_conf *queue_conf) 214 { 215 int ret; 216 struct turbo_sw_queue *q; 217 char name[RTE_RING_NAMESIZE]; 218 219 /* Allocate the queue data structure. */ 220 q = rte_zmalloc_socket(RTE_STR(DRIVER_NAME), sizeof(*q), 221 RTE_CACHE_LINE_SIZE, queue_conf->socket); 222 if (q == NULL) { 223 rte_bbdev_log(ERR, "Failed to allocate queue memory"); 224 return -ENOMEM; 225 } 226 227 /* Allocate memory for encoder output. */ 228 ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_enc_out%u:%u", 229 dev->data->dev_id, q_id); 230 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 231 rte_bbdev_log(ERR, 232 "Creating queue name for device %u queue %u failed", 233 dev->data->dev_id, q_id); 234 return -ENAMETOOLONG; 235 } 236 q->enc_out = rte_zmalloc_socket(name, 237 ((MAX_TB_SIZE >> 3) + 3) * sizeof(*q->enc_out) * 3, 238 RTE_CACHE_LINE_SIZE, queue_conf->socket); 239 if (q->enc_out == NULL) { 240 rte_bbdev_log(ERR, 241 "Failed to allocate queue memory for %s", name); 242 goto free_q; 243 } 244 245 /* Allocate memory for rate matching output. */ 246 ret = snprintf(name, RTE_RING_NAMESIZE, 247 RTE_STR(DRIVER_NAME)"_enc_in%u:%u", dev->data->dev_id, 248 q_id); 249 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 250 rte_bbdev_log(ERR, 251 "Creating queue name for device %u queue %u failed", 252 dev->data->dev_id, q_id); 253 return -ENAMETOOLONG; 254 } 255 q->enc_in = rte_zmalloc_socket(name, 256 (MAX_CB_SIZE >> 3) * sizeof(*q->enc_in), 257 RTE_CACHE_LINE_SIZE, queue_conf->socket); 258 if (q->enc_in == NULL) { 259 rte_bbdev_log(ERR, 260 "Failed to allocate queue memory for %s", name); 261 goto free_q; 262 } 263 264 /* Allocate memory for Aplha Gamma temp buffer. */ 265 ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_ag%u:%u", 266 dev->data->dev_id, q_id); 267 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 268 rte_bbdev_log(ERR, 269 "Creating queue name for device %u queue %u failed", 270 dev->data->dev_id, q_id); 271 return -ENAMETOOLONG; 272 } 273 q->ag = rte_zmalloc_socket(name, 274 MAX_CB_SIZE * 10 * sizeof(*q->ag), 275 RTE_CACHE_LINE_SIZE, queue_conf->socket); 276 if (q->ag == NULL) { 277 rte_bbdev_log(ERR, 278 "Failed to allocate queue memory for %s", name); 279 goto free_q; 280 } 281 282 /* Allocate memory for code block temp buffer. */ 283 ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_cb%u:%u", 284 dev->data->dev_id, q_id); 285 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 286 rte_bbdev_log(ERR, 287 "Creating queue name for device %u queue %u failed", 288 dev->data->dev_id, q_id); 289 return -ENAMETOOLONG; 290 } 291 q->code_block = rte_zmalloc_socket(name, 292 (6144 >> 3) * sizeof(*q->code_block), 293 RTE_CACHE_LINE_SIZE, queue_conf->socket); 294 if (q->code_block == NULL) { 295 rte_bbdev_log(ERR, 296 "Failed to allocate queue memory for %s", name); 297 goto free_q; 298 } 299 300 /* Allocate memory for Deinterleaver input. */ 301 ret = snprintf(name, RTE_RING_NAMESIZE, 302 RTE_STR(DRIVER_NAME)"_deint_input%u:%u", 303 dev->data->dev_id, q_id); 304 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 305 rte_bbdev_log(ERR, 306 "Creating queue name for device %u queue %u failed", 307 dev->data->dev_id, q_id); 308 return -ENAMETOOLONG; 309 } 310 q->deint_input = rte_zmalloc_socket(name, 311 MAX_KW * sizeof(*q->deint_input), 312 RTE_CACHE_LINE_SIZE, queue_conf->socket); 313 if (q->deint_input == NULL) { 314 rte_bbdev_log(ERR, 315 "Failed to allocate queue memory for %s", name); 316 goto free_q; 317 } 318 319 /* Allocate memory for Deinterleaver output. */ 320 ret = snprintf(name, RTE_RING_NAMESIZE, 321 RTE_STR(DRIVER_NAME)"_deint_output%u:%u", 322 dev->data->dev_id, q_id); 323 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 324 rte_bbdev_log(ERR, 325 "Creating queue name for device %u queue %u failed", 326 dev->data->dev_id, q_id); 327 return -ENAMETOOLONG; 328 } 329 q->deint_output = rte_zmalloc_socket(NULL, 330 MAX_KW * sizeof(*q->deint_output), 331 RTE_CACHE_LINE_SIZE, queue_conf->socket); 332 if (q->deint_output == NULL) { 333 rte_bbdev_log(ERR, 334 "Failed to allocate queue memory for %s", name); 335 goto free_q; 336 } 337 338 /* Allocate memory for Adapter output. */ 339 ret = snprintf(name, RTE_RING_NAMESIZE, 340 RTE_STR(DRIVER_NAME)"_adapter_output%u:%u", 341 dev->data->dev_id, q_id); 342 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 343 rte_bbdev_log(ERR, 344 "Creating queue name for device %u queue %u failed", 345 dev->data->dev_id, q_id); 346 return -ENAMETOOLONG; 347 } 348 q->adapter_output = rte_zmalloc_socket(NULL, 349 MAX_CB_SIZE * 6 * sizeof(*q->adapter_output), 350 RTE_CACHE_LINE_SIZE, queue_conf->socket); 351 if (q->adapter_output == NULL) { 352 rte_bbdev_log(ERR, 353 "Failed to allocate queue memory for %s", name); 354 goto free_q; 355 } 356 357 /* Create ring for packets awaiting to be dequeued. */ 358 ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"%u:%u", 359 dev->data->dev_id, q_id); 360 if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) { 361 rte_bbdev_log(ERR, 362 "Creating queue name for device %u queue %u failed", 363 dev->data->dev_id, q_id); 364 return -ENAMETOOLONG; 365 } 366 q->processed_pkts = rte_ring_create(name, queue_conf->queue_size, 367 queue_conf->socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 368 if (q->processed_pkts == NULL) { 369 rte_bbdev_log(ERR, "Failed to create ring for %s", name); 370 goto free_q; 371 } 372 373 q->type = queue_conf->op_type; 374 375 dev->data->queues[q_id].queue_private = q; 376 rte_bbdev_log_debug("setup device queue %s", name); 377 return 0; 378 379 free_q: 380 rte_ring_free(q->processed_pkts); 381 rte_free(q->enc_out); 382 rte_free(q->enc_in); 383 rte_free(q->ag); 384 rte_free(q->code_block); 385 rte_free(q->deint_input); 386 rte_free(q->deint_output); 387 rte_free(q->adapter_output); 388 rte_free(q); 389 return -EFAULT; 390 } 391 392 static const struct rte_bbdev_ops pmd_ops = { 393 .info_get = info_get, 394 .queue_setup = q_setup, 395 .queue_release = q_release 396 }; 397 398 /* Checks if the encoder input buffer is correct. 399 * Returns 0 if it's valid, -1 otherwise. 400 */ 401 static inline int 402 is_enc_input_valid(const uint16_t k, const int32_t k_idx, 403 const uint16_t in_length) 404 { 405 if (k_idx < 0) { 406 rte_bbdev_log(ERR, "K Index is invalid"); 407 return -1; 408 } 409 410 if (in_length - (k >> 3) < 0) { 411 rte_bbdev_log(ERR, 412 "Mismatch between input length (%u bytes) and K (%u bits)", 413 in_length, k); 414 return -1; 415 } 416 417 if (k > MAX_CB_SIZE) { 418 rte_bbdev_log(ERR, "CB size (%u) is too big, max: %d", 419 k, MAX_CB_SIZE); 420 return -1; 421 } 422 423 return 0; 424 } 425 426 /* Checks if the decoder input buffer is correct. 427 * Returns 0 if it's valid, -1 otherwise. 428 */ 429 static inline int 430 is_dec_input_valid(int32_t k_idx, int16_t kw, int16_t in_length) 431 { 432 if (k_idx < 0) { 433 rte_bbdev_log(ERR, "K index is invalid"); 434 return -1; 435 } 436 437 if (in_length - kw < 0) { 438 rte_bbdev_log(ERR, 439 "Mismatch between input length (%u) and kw (%u)", 440 in_length, kw); 441 return -1; 442 } 443 444 if (kw > MAX_KW) { 445 rte_bbdev_log(ERR, "Input length (%u) is too big, max: %d", 446 kw, MAX_KW); 447 return -1; 448 } 449 450 return 0; 451 } 452 453 static inline void 454 process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, 455 uint8_t cb_idx, uint8_t c, uint16_t k, uint16_t ncb, 456 uint32_t e, struct rte_mbuf *m_in, struct rte_mbuf *m_out, 457 uint16_t in_offset, uint16_t out_offset, uint16_t total_left) 458 { 459 int ret; 460 int16_t k_idx; 461 uint16_t m; 462 uint8_t *in, *out0, *out1, *out2, *tmp_out, *rm_out; 463 struct rte_bbdev_op_turbo_enc *enc = &op->turbo_enc; 464 struct bblib_crc_request crc_req; 465 struct bblib_crc_response crc_resp; 466 struct bblib_turbo_encoder_request turbo_req; 467 struct bblib_turbo_encoder_response turbo_resp; 468 struct bblib_rate_match_dl_request rm_req; 469 struct bblib_rate_match_dl_response rm_resp; 470 471 k_idx = compute_idx(k); 472 in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset); 473 474 /* CRC24A (for TB) */ 475 if ((enc->op_flags & RTE_BBDEV_TURBO_CRC_24A_ATTACH) && 476 (enc->code_block_mode == 1)) { 477 ret = is_enc_input_valid(k - 24, k_idx, total_left); 478 if (ret != 0) { 479 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 480 return; 481 } 482 /* copy the input to the temporary buffer to be able to extend 483 * it by 3 CRC bytes 484 */ 485 rte_memcpy(q->enc_in, in, (k - 24) >> 3); 486 crc_req.data = in; 487 crc_req.len = (k - 24) >> 3; 488 crc_resp.data = q->enc_in; 489 bblib_lte_crc24a_gen(&crc_req, &crc_resp); 490 491 in = q->enc_in; 492 } else if (enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) { 493 /* CRC24B */ 494 ret = is_enc_input_valid(k - 24, k_idx, total_left); 495 if (ret != 0) { 496 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 497 return; 498 } 499 /* copy the input to the temporary buffer to be able to extend 500 * it by 3 CRC bytes 501 */ 502 rte_memcpy(q->enc_in, in, (k - 24) >> 3); 503 crc_req.data = in; 504 crc_req.len = (k - 24) >> 3; 505 crc_resp.data = q->enc_in; 506 bblib_lte_crc24b_gen(&crc_req, &crc_resp); 507 508 in = q->enc_in; 509 } else { 510 ret = is_enc_input_valid(k, k_idx, total_left); 511 if (ret != 0) { 512 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 513 return; 514 } 515 } 516 517 /* Turbo encoder */ 518 519 /* Each bit layer output from turbo encoder is (k+4) bits long, i.e. 520 * input length + 4 tail bits. That's (k/8) + 1 bytes after rounding up. 521 * So dst_data's length should be 3*(k/8) + 3 bytes. 522 */ 523 out0 = q->enc_out; 524 out1 = RTE_PTR_ADD(out0, (k >> 3) + 1); 525 out2 = RTE_PTR_ADD(out1, (k >> 3) + 1); 526 527 turbo_req.case_id = k_idx; 528 turbo_req.input_win = in; 529 turbo_req.length = k >> 3; 530 turbo_resp.output_win_0 = out0; 531 turbo_resp.output_win_1 = out1; 532 turbo_resp.output_win_2 = out2; 533 if (bblib_turbo_encoder(&turbo_req, &turbo_resp) != 0) { 534 op->status |= 1 << RTE_BBDEV_DRV_ERROR; 535 rte_bbdev_log(ERR, "Turbo Encoder failed"); 536 return; 537 } 538 539 /* Rate-matching */ 540 if (enc->op_flags & RTE_BBDEV_TURBO_RATE_MATCH) { 541 /* get output data starting address */ 542 rm_out = (uint8_t *)rte_pktmbuf_append(m_out, (e >> 3)); 543 if (rm_out == NULL) { 544 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 545 rte_bbdev_log(ERR, 546 "Too little space in output mbuf"); 547 return; 548 } 549 /* rte_bbdev_op_data.offset can be different than the offset 550 * of the appended bytes 551 */ 552 rm_out = rte_pktmbuf_mtod_offset(m_out, uint8_t *, out_offset); 553 554 /* index of current code block */ 555 rm_req.r = cb_idx; 556 /* total number of code block */ 557 rm_req.C = c; 558 /* For DL - 1, UL - 0 */ 559 rm_req.direction = 1; 560 /* According to 3ggp 36.212 Spec 5.1.4.1.2 section Nsoft, KMIMO 561 * and MDL_HARQ are used for Ncb calculation. As Ncb is already 562 * known we can adjust those parameters 563 */ 564 rm_req.Nsoft = ncb * rm_req.C; 565 rm_req.KMIMO = 1; 566 rm_req.MDL_HARQ = 1; 567 /* According to 3ggp 36.212 Spec 5.1.4.1.2 section Nl, Qm and G 568 * are used for E calculation. As E is already known we can 569 * adjust those parameters 570 */ 571 rm_req.NL = e; 572 rm_req.Qm = 1; 573 rm_req.G = rm_req.NL * rm_req.Qm * rm_req.C; 574 575 rm_req.rvidx = enc->rv_index; 576 rm_req.Kidx = k_idx - 1; 577 rm_req.nLen = k + 4; 578 rm_req.tin0 = out0; 579 rm_req.tin1 = out1; 580 rm_req.tin2 = out2; 581 rm_resp.output = rm_out; 582 rm_resp.OutputLen = (e >> 3); 583 if (enc->op_flags & RTE_BBDEV_TURBO_RV_INDEX_BYPASS) 584 rm_req.bypass_rvidx = 1; 585 else 586 rm_req.bypass_rvidx = 0; 587 588 if (bblib_rate_match_dl(&rm_req, &rm_resp) != 0) { 589 op->status |= 1 << RTE_BBDEV_DRV_ERROR; 590 rte_bbdev_log(ERR, "Rate matching failed"); 591 return; 592 } 593 enc->output.length += rm_resp.OutputLen; 594 } else { 595 /* Rate matching is bypassed */ 596 597 /* Completing last byte of out0 (where 4 tail bits are stored) 598 * by moving first 4 bits from out1 599 */ 600 tmp_out = (uint8_t *) --out1; 601 *tmp_out = *tmp_out | ((*(tmp_out + 1) & 0xF0) >> 4); 602 tmp_out++; 603 /* Shifting out1 data by 4 bits to the left */ 604 for (m = 0; m < k >> 3; ++m) { 605 uint8_t *first = tmp_out; 606 uint8_t second = *(tmp_out + 1); 607 *first = (*first << 4) | ((second & 0xF0) >> 4); 608 tmp_out++; 609 } 610 /* Shifting out2 data by 8 bits to the left */ 611 for (m = 0; m < (k >> 3) + 1; ++m) { 612 *tmp_out = *(tmp_out + 1); 613 tmp_out++; 614 } 615 *tmp_out = 0; 616 617 /* copy shifted output to turbo_enc entity */ 618 out0 = (uint8_t *)rte_pktmbuf_append(m_out, 619 (k >> 3) * 3 + 2); 620 if (out0 == NULL) { 621 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 622 rte_bbdev_log(ERR, 623 "Too little space in output mbuf"); 624 return; 625 } 626 enc->output.length += (k >> 3) * 3 + 2; 627 /* rte_bbdev_op_data.offset can be different than the 628 * offset of the appended bytes 629 */ 630 out0 = rte_pktmbuf_mtod_offset(m_out, uint8_t *, 631 out_offset); 632 rte_memcpy(out0, q->enc_out, (k >> 3) * 3 + 2); 633 } 634 } 635 636 static inline void 637 enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op) 638 { 639 uint8_t c, r, crc24_bits = 0; 640 uint16_t k, ncb; 641 uint32_t e; 642 struct rte_bbdev_op_turbo_enc *enc = &op->turbo_enc; 643 uint16_t in_offset = enc->input.offset; 644 uint16_t out_offset = enc->output.offset; 645 struct rte_mbuf *m_in = enc->input.data; 646 struct rte_mbuf *m_out = enc->output.data; 647 uint16_t total_left = enc->input.length; 648 649 /* Clear op status */ 650 op->status = 0; 651 652 if (total_left > MAX_TB_SIZE >> 3) { 653 rte_bbdev_log(ERR, "TB size (%u) is too big, max: %d", 654 total_left, MAX_TB_SIZE); 655 op->status = 1 << RTE_BBDEV_DATA_ERROR; 656 return; 657 } 658 659 if (m_in == NULL || m_out == NULL) { 660 rte_bbdev_log(ERR, "Invalid mbuf pointer"); 661 op->status = 1 << RTE_BBDEV_DATA_ERROR; 662 return; 663 } 664 665 if ((enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) || 666 (enc->op_flags & RTE_BBDEV_TURBO_CRC_24A_ATTACH)) 667 crc24_bits = 24; 668 669 if (enc->code_block_mode == 0) { /* For Transport Block mode */ 670 c = enc->tb_params.c; 671 r = enc->tb_params.r; 672 } else {/* For Code Block mode */ 673 c = 1; 674 r = 0; 675 } 676 677 while (total_left > 0 && r < c) { 678 if (enc->code_block_mode == 0) { 679 k = (r < enc->tb_params.c_neg) ? 680 enc->tb_params.k_neg : enc->tb_params.k_pos; 681 ncb = (r < enc->tb_params.c_neg) ? 682 enc->tb_params.ncb_neg : enc->tb_params.ncb_pos; 683 e = (r < enc->tb_params.cab) ? 684 enc->tb_params.ea : enc->tb_params.eb; 685 } else { 686 k = enc->cb_params.k; 687 ncb = enc->cb_params.ncb; 688 e = enc->cb_params.e; 689 } 690 691 process_enc_cb(q, op, r, c, k, ncb, e, m_in, 692 m_out, in_offset, out_offset, total_left); 693 /* Update total_left */ 694 total_left -= (k - crc24_bits) >> 3; 695 /* Update offsets for next CBs (if exist) */ 696 in_offset += (k - crc24_bits) >> 3; 697 if (enc->op_flags & RTE_BBDEV_TURBO_RATE_MATCH) 698 out_offset += e >> 3; 699 else 700 out_offset += (k >> 3) * 3 + 2; 701 r++; 702 } 703 704 /* check if all input data was processed */ 705 if (total_left != 0) { 706 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 707 rte_bbdev_log(ERR, 708 "Mismatch between mbuf length and included CBs sizes"); 709 } 710 } 711 712 static inline uint16_t 713 enqueue_enc_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_enc_op **ops, 714 uint16_t nb_ops) 715 { 716 uint16_t i; 717 718 for (i = 0; i < nb_ops; ++i) 719 enqueue_enc_one_op(q, ops[i]); 720 721 return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops, 722 NULL); 723 } 724 725 /* Remove the padding bytes from a cyclic buffer. 726 * The input buffer is a data stream wk as described in 3GPP TS 36.212 section 727 * 5.1.4.1.2 starting from w0 and with length Ncb bytes. 728 * The output buffer is a data stream wk with pruned padding bytes. It's length 729 * is 3*D bytes and the order of non-padding bytes is preserved. 730 */ 731 static inline void 732 remove_nulls_from_circular_buf(const uint8_t *in, uint8_t *out, uint16_t k, 733 uint16_t ncb) 734 { 735 uint32_t in_idx, out_idx, c_idx; 736 const uint32_t d = k + 4; 737 const uint32_t kw = (ncb / 3); 738 const uint32_t nd = kw - d; 739 const uint32_t r_subblock = kw / C_SUBBLOCK; 740 /* Inter-column permutation pattern */ 741 const uint32_t P[C_SUBBLOCK] = {0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10, 742 26, 6, 22, 14, 30, 1, 17, 9, 25, 5, 21, 13, 29, 3, 19, 743 11, 27, 7, 23, 15, 31}; 744 in_idx = 0; 745 out_idx = 0; 746 747 /* The padding bytes are at the first Nd positions in the first row. */ 748 for (c_idx = 0; in_idx < kw; in_idx += r_subblock, ++c_idx) { 749 if (P[c_idx] < nd) { 750 rte_memcpy(&out[out_idx], &in[in_idx + 1], 751 r_subblock - 1); 752 out_idx += r_subblock - 1; 753 } else { 754 rte_memcpy(&out[out_idx], &in[in_idx], r_subblock); 755 out_idx += r_subblock; 756 } 757 } 758 759 /* First and second parity bits sub-blocks are interlaced. */ 760 for (c_idx = 0; in_idx < ncb - 2 * r_subblock; 761 in_idx += 2 * r_subblock, ++c_idx) { 762 uint32_t second_block_c_idx = P[c_idx]; 763 uint32_t third_block_c_idx = P[c_idx] + 1; 764 765 if (second_block_c_idx < nd && third_block_c_idx < nd) { 766 rte_memcpy(&out[out_idx], &in[in_idx + 2], 767 2 * r_subblock - 2); 768 out_idx += 2 * r_subblock - 2; 769 } else if (second_block_c_idx >= nd && 770 third_block_c_idx >= nd) { 771 rte_memcpy(&out[out_idx], &in[in_idx], 2 * r_subblock); 772 out_idx += 2 * r_subblock; 773 } else if (second_block_c_idx < nd) { 774 out[out_idx++] = in[in_idx]; 775 rte_memcpy(&out[out_idx], &in[in_idx + 2], 776 2 * r_subblock - 2); 777 out_idx += 2 * r_subblock - 2; 778 } else { 779 rte_memcpy(&out[out_idx], &in[in_idx + 1], 780 2 * r_subblock - 1); 781 out_idx += 2 * r_subblock - 1; 782 } 783 } 784 785 /* Last interlaced row is different - its last byte is the only padding 786 * byte. We can have from 2 up to 26 padding bytes (Nd) per sub-block. 787 * After interlacing the 1st and 2nd parity sub-blocks we can have 0, 1 788 * or 2 padding bytes each time we make a step of 2 * R_SUBBLOCK bytes 789 * (moving to another column). 2nd parity sub-block uses the same 790 * inter-column permutation pattern as the systematic and 1st parity 791 * sub-blocks but it adds '1' to the resulting index and calculates the 792 * modulus of the result and Kw. Last column is mapped to itself (id 31) 793 * so the first byte taken from the 2nd parity sub-block will be the 794 * 32nd (31+1) byte, then 64th etc. (step is C_SUBBLOCK == 32) and the 795 * last byte will be the first byte from the sub-block: 796 * (32 + 32 * (R_SUBBLOCK-1)) % Kw == Kw % Kw == 0. Nd can't be smaller 797 * than 2 so we know that bytes with ids 0 and 1 must be the padding 798 * bytes. The bytes from the 1st parity sub-block are the bytes from the 799 * 31st column - Nd can't be greater than 26 so we are sure that there 800 * are no padding bytes in 31st column. 801 */ 802 rte_memcpy(&out[out_idx], &in[in_idx], 2 * r_subblock - 1); 803 } 804 805 static inline void 806 move_padding_bytes(const uint8_t *in, uint8_t *out, uint16_t k, 807 uint16_t ncb) 808 { 809 uint16_t d = k + 4; 810 uint16_t kpi = ncb / 3; 811 uint16_t nd = kpi - d; 812 813 rte_memcpy(&out[nd], in, d); 814 rte_memcpy(&out[nd + kpi + 64], &in[kpi], d); 815 rte_memcpy(&out[nd + 2 * (kpi + 64)], &in[2 * kpi], d); 816 } 817 818 static inline void 819 process_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op, 820 uint8_t c, uint16_t k, uint16_t kw, struct rte_mbuf *m_in, 821 struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset, 822 bool check_crc_24b, uint16_t total_left) 823 { 824 int ret; 825 int32_t k_idx; 826 int32_t iter_cnt; 827 uint8_t *in, *out, *adapter_input; 828 int32_t ncb, ncb_without_null; 829 struct bblib_turbo_adapter_ul_response adapter_resp; 830 struct bblib_turbo_adapter_ul_request adapter_req; 831 struct bblib_turbo_decoder_request turbo_req; 832 struct bblib_turbo_decoder_response turbo_resp; 833 struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec; 834 835 k_idx = compute_idx(k); 836 837 ret = is_dec_input_valid(k_idx, kw, total_left); 838 if (ret != 0) { 839 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 840 return; 841 } 842 843 in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset); 844 ncb = kw; 845 ncb_without_null = (k + 4) * 3; 846 847 if (check_bit(dec->op_flags, RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE)) { 848 struct bblib_deinterleave_ul_request deint_req; 849 struct bblib_deinterleave_ul_response deint_resp; 850 851 /* SW decoder accepts only a circular buffer without NULL bytes 852 * so the input needs to be converted. 853 */ 854 remove_nulls_from_circular_buf(in, q->deint_input, k, ncb); 855 856 deint_req.pharqbuffer = q->deint_input; 857 deint_req.ncb = ncb_without_null; 858 deint_resp.pinteleavebuffer = q->deint_output; 859 bblib_deinterleave_ul(&deint_req, &deint_resp); 860 } else 861 move_padding_bytes(in, q->deint_output, k, ncb); 862 863 adapter_input = q->deint_output; 864 865 if (dec->op_flags & RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN) 866 adapter_req.isinverted = 1; 867 else if (dec->op_flags & RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN) 868 adapter_req.isinverted = 0; 869 else { 870 op->status |= 1 << RTE_BBDEV_DRV_ERROR; 871 rte_bbdev_log(ERR, "LLR format wasn't specified"); 872 return; 873 } 874 875 adapter_req.ncb = ncb_without_null; 876 adapter_req.pinteleavebuffer = adapter_input; 877 adapter_resp.pharqout = q->adapter_output; 878 bblib_turbo_adapter_ul(&adapter_req, &adapter_resp); 879 880 out = (uint8_t *)rte_pktmbuf_append(m_out, (k >> 3)); 881 if (out == NULL) { 882 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 883 rte_bbdev_log(ERR, "Too little space in output mbuf"); 884 return; 885 } 886 /* rte_bbdev_op_data.offset can be different than the offset of the 887 * appended bytes 888 */ 889 out = rte_pktmbuf_mtod_offset(m_out, uint8_t *, out_offset); 890 if (check_crc_24b) 891 turbo_req.c = c + 1; 892 else 893 turbo_req.c = c; 894 turbo_req.input = (int8_t *)q->adapter_output; 895 turbo_req.k = k; 896 turbo_req.k_idx = k_idx; 897 turbo_req.max_iter_num = dec->iter_max; 898 turbo_resp.ag_buf = q->ag; 899 turbo_resp.cb_buf = q->code_block; 900 turbo_resp.output = out; 901 iter_cnt = bblib_turbo_decoder(&turbo_req, &turbo_resp); 902 dec->hard_output.length += (k >> 3); 903 904 if (iter_cnt > 0) { 905 /* Temporary solution for returned iter_count from SDK */ 906 iter_cnt = (iter_cnt - 1) / 2; 907 dec->iter_count = RTE_MAX(iter_cnt, dec->iter_count); 908 } else { 909 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 910 rte_bbdev_log(ERR, "Turbo Decoder failed"); 911 return; 912 } 913 } 914 915 static inline void 916 enqueue_dec_one_op(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op) 917 { 918 uint8_t c, r = 0; 919 uint16_t kw, k = 0; 920 struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec; 921 struct rte_mbuf *m_in = dec->input.data; 922 struct rte_mbuf *m_out = dec->hard_output.data; 923 uint16_t in_offset = dec->input.offset; 924 uint16_t total_left = dec->input.length; 925 uint16_t out_offset = dec->hard_output.offset; 926 927 /* Clear op status */ 928 op->status = 0; 929 930 if (m_in == NULL || m_out == NULL) { 931 rte_bbdev_log(ERR, "Invalid mbuf pointer"); 932 op->status = 1 << RTE_BBDEV_DATA_ERROR; 933 return; 934 } 935 936 if (dec->code_block_mode == 0) { /* For Transport Block mode */ 937 c = dec->tb_params.c; 938 } else { /* For Code Block mode */ 939 k = dec->cb_params.k; 940 c = 1; 941 } 942 943 while (total_left > 0) { 944 if (dec->code_block_mode == 0) 945 k = (r < dec->tb_params.c_neg) ? 946 dec->tb_params.k_neg : dec->tb_params.k_pos; 947 948 /* Calculates circular buffer size (Kw). 949 * According to 3gpp 36.212 section 5.1.4.2 950 * Kw = 3 * Kpi, 951 * where: 952 * Kpi = nCol * nRow 953 * where nCol is 32 and nRow can be calculated from: 954 * D =< nCol * nRow 955 * where D is the size of each output from turbo encoder block 956 * (k + 4). 957 */ 958 kw = RTE_ALIGN_CEIL(k + 4, C_SUBBLOCK) * 3; 959 960 process_dec_cb(q, op, c, k, kw, m_in, m_out, in_offset, 961 out_offset, check_bit(dec->op_flags, 962 RTE_BBDEV_TURBO_CRC_TYPE_24B), total_left); 963 /* As a result of decoding we get Code Block with included 964 * decoded CRC24 at the end of Code Block. Type of CRC24 is 965 * specified by flag. 966 */ 967 968 /* Update total_left */ 969 total_left -= kw; 970 /* Update offsets for next CBs (if exist) */ 971 in_offset += kw; 972 out_offset += (k >> 3); 973 r++; 974 } 975 if (total_left != 0) { 976 op->status |= 1 << RTE_BBDEV_DATA_ERROR; 977 rte_bbdev_log(ERR, 978 "Mismatch between mbuf length and included Circular buffer sizes"); 979 } 980 } 981 982 static inline uint16_t 983 enqueue_dec_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_dec_op **ops, 984 uint16_t nb_ops) 985 { 986 uint16_t i; 987 988 for (i = 0; i < nb_ops; ++i) 989 enqueue_dec_one_op(q, ops[i]); 990 991 return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops, 992 NULL); 993 } 994 995 /* Enqueue burst */ 996 static uint16_t 997 enqueue_enc_ops(struct rte_bbdev_queue_data *q_data, 998 struct rte_bbdev_enc_op **ops, uint16_t nb_ops) 999 { 1000 void *queue = q_data->queue_private; 1001 struct turbo_sw_queue *q = queue; 1002 uint16_t nb_enqueued = 0; 1003 1004 nb_enqueued = enqueue_enc_all_ops(q, ops, nb_ops); 1005 1006 q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued; 1007 q_data->queue_stats.enqueued_count += nb_enqueued; 1008 1009 return nb_enqueued; 1010 } 1011 1012 /* Enqueue burst */ 1013 static uint16_t 1014 enqueue_dec_ops(struct rte_bbdev_queue_data *q_data, 1015 struct rte_bbdev_dec_op **ops, uint16_t nb_ops) 1016 { 1017 void *queue = q_data->queue_private; 1018 struct turbo_sw_queue *q = queue; 1019 uint16_t nb_enqueued = 0; 1020 1021 nb_enqueued = enqueue_dec_all_ops(q, ops, nb_ops); 1022 1023 q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued; 1024 q_data->queue_stats.enqueued_count += nb_enqueued; 1025 1026 return nb_enqueued; 1027 } 1028 1029 /* Dequeue decode burst */ 1030 static uint16_t 1031 dequeue_dec_ops(struct rte_bbdev_queue_data *q_data, 1032 struct rte_bbdev_dec_op **ops, uint16_t nb_ops) 1033 { 1034 struct turbo_sw_queue *q = q_data->queue_private; 1035 uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts, 1036 (void **)ops, nb_ops, NULL); 1037 q_data->queue_stats.dequeued_count += nb_dequeued; 1038 1039 return nb_dequeued; 1040 } 1041 1042 /* Dequeue encode burst */ 1043 static uint16_t 1044 dequeue_enc_ops(struct rte_bbdev_queue_data *q_data, 1045 struct rte_bbdev_enc_op **ops, uint16_t nb_ops) 1046 { 1047 struct turbo_sw_queue *q = q_data->queue_private; 1048 uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts, 1049 (void **)ops, nb_ops, NULL); 1050 q_data->queue_stats.dequeued_count += nb_dequeued; 1051 1052 return nb_dequeued; 1053 } 1054 1055 /* Parse 16bit integer from string argument */ 1056 static inline int 1057 parse_u16_arg(const char *key, const char *value, void *extra_args) 1058 { 1059 uint16_t *u16 = extra_args; 1060 unsigned int long result; 1061 1062 if ((value == NULL) || (extra_args == NULL)) 1063 return -EINVAL; 1064 errno = 0; 1065 result = strtoul(value, NULL, 0); 1066 if ((result >= (1 << 16)) || (errno != 0)) { 1067 rte_bbdev_log(ERR, "Invalid value %lu for %s", result, key); 1068 return -ERANGE; 1069 } 1070 *u16 = (uint16_t)result; 1071 return 0; 1072 } 1073 1074 /* Parse parameters used to create device */ 1075 static int 1076 parse_turbo_sw_params(struct turbo_sw_params *params, const char *input_args) 1077 { 1078 struct rte_kvargs *kvlist = NULL; 1079 int ret = 0; 1080 1081 if (params == NULL) 1082 return -EINVAL; 1083 if (input_args) { 1084 kvlist = rte_kvargs_parse(input_args, turbo_sw_valid_params); 1085 if (kvlist == NULL) 1086 return -EFAULT; 1087 1088 ret = rte_kvargs_process(kvlist, turbo_sw_valid_params[0], 1089 &parse_u16_arg, ¶ms->queues_num); 1090 if (ret < 0) 1091 goto exit; 1092 1093 ret = rte_kvargs_process(kvlist, turbo_sw_valid_params[1], 1094 &parse_u16_arg, ¶ms->socket_id); 1095 if (ret < 0) 1096 goto exit; 1097 1098 if (params->socket_id >= RTE_MAX_NUMA_NODES) { 1099 rte_bbdev_log(ERR, "Invalid socket, must be < %u", 1100 RTE_MAX_NUMA_NODES); 1101 goto exit; 1102 } 1103 } 1104 1105 exit: 1106 if (kvlist) 1107 rte_kvargs_free(kvlist); 1108 return ret; 1109 } 1110 1111 /* Create device */ 1112 static int 1113 turbo_sw_bbdev_create(struct rte_vdev_device *vdev, 1114 struct turbo_sw_params *init_params) 1115 { 1116 struct rte_bbdev *bbdev; 1117 const char *name = rte_vdev_device_name(vdev); 1118 1119 bbdev = rte_bbdev_allocate(name); 1120 if (bbdev == NULL) 1121 return -ENODEV; 1122 1123 bbdev->data->dev_private = rte_zmalloc_socket(name, 1124 sizeof(struct bbdev_private), RTE_CACHE_LINE_SIZE, 1125 init_params->socket_id); 1126 if (bbdev->data->dev_private == NULL) { 1127 rte_bbdev_release(bbdev); 1128 return -ENOMEM; 1129 } 1130 1131 bbdev->dev_ops = &pmd_ops; 1132 bbdev->device = &vdev->device; 1133 bbdev->data->socket_id = init_params->socket_id; 1134 bbdev->intr_handle = NULL; 1135 1136 /* register rx/tx burst functions for data path */ 1137 bbdev->dequeue_enc_ops = dequeue_enc_ops; 1138 bbdev->dequeue_dec_ops = dequeue_dec_ops; 1139 bbdev->enqueue_enc_ops = enqueue_enc_ops; 1140 bbdev->enqueue_dec_ops = enqueue_dec_ops; 1141 ((struct bbdev_private *) bbdev->data->dev_private)->max_nb_queues = 1142 init_params->queues_num; 1143 1144 return 0; 1145 } 1146 1147 /* Initialise device */ 1148 static int 1149 turbo_sw_bbdev_probe(struct rte_vdev_device *vdev) 1150 { 1151 struct turbo_sw_params init_params = { 1152 rte_socket_id(), 1153 RTE_BBDEV_DEFAULT_MAX_NB_QUEUES 1154 }; 1155 const char *name; 1156 const char *input_args; 1157 1158 if (vdev == NULL) 1159 return -EINVAL; 1160 1161 name = rte_vdev_device_name(vdev); 1162 if (name == NULL) 1163 return -EINVAL; 1164 input_args = rte_vdev_device_args(vdev); 1165 parse_turbo_sw_params(&init_params, input_args); 1166 1167 rte_bbdev_log_debug( 1168 "Initialising %s on NUMA node %d with max queues: %d\n", 1169 name, init_params.socket_id, init_params.queues_num); 1170 1171 return turbo_sw_bbdev_create(vdev, &init_params); 1172 } 1173 1174 /* Uninitialise device */ 1175 static int 1176 turbo_sw_bbdev_remove(struct rte_vdev_device *vdev) 1177 { 1178 struct rte_bbdev *bbdev; 1179 const char *name; 1180 1181 if (vdev == NULL) 1182 return -EINVAL; 1183 1184 name = rte_vdev_device_name(vdev); 1185 if (name == NULL) 1186 return -EINVAL; 1187 1188 bbdev = rte_bbdev_get_named_dev(name); 1189 if (bbdev == NULL) 1190 return -EINVAL; 1191 1192 rte_free(bbdev->data->dev_private); 1193 1194 return rte_bbdev_release(bbdev); 1195 } 1196 1197 static struct rte_vdev_driver bbdev_turbo_sw_pmd_drv = { 1198 .probe = turbo_sw_bbdev_probe, 1199 .remove = turbo_sw_bbdev_remove 1200 }; 1201 1202 RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_turbo_sw_pmd_drv); 1203 RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME, 1204 TURBO_SW_MAX_NB_QUEUES_ARG"=<int> " 1205 TURBO_SW_SOCKET_ID_ARG"=<int>"); 1206 1207 RTE_INIT(null_bbdev_init_log); 1208 static void 1209 null_bbdev_init_log(void) 1210 { 1211 bbdev_turbo_sw_logtype = rte_log_register("pmd.bb.turbo_sw"); 1212 if (bbdev_turbo_sw_logtype >= 0) 1213 rte_log_set_level(bbdev_turbo_sw_logtype, RTE_LOG_NOTICE); 1214 } 1215