1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) 2015-2018 Atomic Rules LLC 3 */ 4 5 #include <unistd.h> 6 7 #include "ark_ethdev_rx.h" 8 #include "ark_global.h" 9 #include "ark_logs.h" 10 #include "ark_mpu.h" 11 #include "ark_udm.h" 12 13 #define ARK_RX_META_SIZE 32 14 #define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE) 15 #define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM) 16 17 /* Forward declarations */ 18 struct ark_rx_queue; 19 struct ark_rx_meta; 20 21 static void dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi); 22 static void ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue); 23 static uint32_t eth_ark_rx_jumbo(struct ark_rx_queue *queue, 24 struct ark_rx_meta *meta, 25 struct rte_mbuf *mbuf0, 26 uint32_t cons_index); 27 static inline int eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue); 28 static int eth_ark_rx_seed_recovery(struct ark_rx_queue *queue, 29 uint32_t *pnb, 30 struct rte_mbuf **mbufs); 31 32 /* ************************************************************************* */ 33 struct ark_rx_queue { 34 /* array of mbufs to populate */ 35 struct rte_mbuf **reserve_q; 36 /* array of physical addresses of the mbuf data pointer */ 37 /* This point is a virtual address */ 38 rte_iova_t *paddress_q; 39 struct rte_mempool *mb_pool; 40 41 struct ark_udm_t *udm; 42 struct ark_mpu_t *mpu; 43 44 uint32_t queue_size; 45 uint32_t queue_mask; 46 47 uint32_t seed_index; /* step 1 set with empty mbuf */ 48 uint32_t cons_index; /* step 3 consumed by driver */ 49 50 /* The queue Id is used to identify the HW Q */ 51 uint16_t phys_qid; 52 53 /* The queue Index is used within the dpdk device structures */ 54 uint16_t queue_index; 55 56 uint32_t last_cons; 57 58 /* separate cache line */ 59 /* second cache line - fields only used in slow path */ 60 MARKER cacheline1 __rte_cache_min_aligned; 61 62 volatile uint32_t prod_index; /* step 2 filled by FPGA */ 63 } __rte_cache_aligned; 64 65 66 /* ************************************************************************* */ 67 static int 68 eth_ark_rx_hw_setup(struct rte_eth_dev *dev, 69 struct ark_rx_queue *queue, 70 uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx) 71 { 72 rte_iova_t queue_base; 73 rte_iova_t phys_addr_q_base; 74 rte_iova_t phys_addr_prod_index; 75 76 queue_base = rte_malloc_virt2iova(queue); 77 phys_addr_prod_index = queue_base + 78 offsetof(struct ark_rx_queue, prod_index); 79 80 phys_addr_q_base = rte_malloc_virt2iova(queue->paddress_q); 81 82 /* Verify HW */ 83 if (ark_mpu_verify(queue->mpu, sizeof(rte_iova_t))) { 84 PMD_DRV_LOG(ERR, "Illegal configuration rx queue\n"); 85 return -1; 86 } 87 88 /* Stop and Reset and configure MPU */ 89 ark_mpu_configure(queue->mpu, phys_addr_q_base, queue->queue_size, 0); 90 91 ark_udm_write_addr(queue->udm, phys_addr_prod_index); 92 93 /* advance the valid pointer, but don't start until the queue starts */ 94 ark_mpu_reset_stats(queue->mpu); 95 96 /* The seed is the producer index for the HW */ 97 ark_mpu_set_producer(queue->mpu, queue->seed_index); 98 dev->data->rx_queue_state[rx_queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED; 99 100 return 0; 101 } 102 103 static inline void 104 eth_ark_rx_update_cons_index(struct ark_rx_queue *queue, uint32_t cons_index) 105 { 106 queue->cons_index = cons_index; 107 eth_ark_rx_seed_mbufs(queue); 108 if (((cons_index - queue->last_cons) >= 64U)) { 109 queue->last_cons = cons_index; 110 ark_mpu_set_producer(queue->mpu, queue->seed_index); 111 } 112 } 113 114 /* ************************************************************************* */ 115 int 116 eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev, 117 uint16_t queue_idx, 118 uint16_t nb_desc, 119 unsigned int socket_id, 120 const struct rte_eth_rxconf *rx_conf, 121 struct rte_mempool *mb_pool) 122 { 123 static int warning1; /* = 0 */ 124 struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private; 125 126 struct ark_rx_queue *queue; 127 uint32_t i; 128 int status; 129 130 /* Future works: divide the Q's evenly with multi-ports */ 131 int port = dev->data->port_id; 132 int qidx = port + queue_idx; 133 134 /* We may already be setup, free memory prior to re-allocation */ 135 if (dev->data->rx_queues[queue_idx] != NULL) { 136 eth_ark_dev_rx_queue_release(dev->data->rx_queues[queue_idx]); 137 dev->data->rx_queues[queue_idx] = NULL; 138 } 139 140 if (rx_conf != NULL && warning1 == 0) { 141 warning1 = 1; 142 PMD_DRV_LOG(INFO, 143 "Arkville ignores rte_eth_rxconf argument.\n"); 144 } 145 146 if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) { 147 PMD_DRV_LOG(ERR, 148 "Error: DPDK Arkville requires head room > %d bytes (%s)\n", 149 ARK_RX_META_SIZE, __func__); 150 return -1; /* ERROR CODE */ 151 } 152 153 if (!rte_is_power_of_2(nb_desc)) { 154 PMD_DRV_LOG(ERR, 155 "DPDK Arkville configuration queue size must be power of two %u (%s)\n", 156 nb_desc, __func__); 157 return -1; /* ERROR CODE */ 158 } 159 160 /* Allocate queue struct */ 161 queue = rte_zmalloc_socket("Ark_rxqueue", 162 sizeof(struct ark_rx_queue), 163 64, 164 socket_id); 165 if (queue == 0) { 166 PMD_DRV_LOG(ERR, "Failed to allocate memory in %s\n", __func__); 167 return -ENOMEM; 168 } 169 170 /* NOTE zmalloc is used, no need to 0 indexes, etc. */ 171 queue->mb_pool = mb_pool; 172 queue->phys_qid = qidx; 173 queue->queue_index = queue_idx; 174 queue->queue_size = nb_desc; 175 queue->queue_mask = nb_desc - 1; 176 177 queue->reserve_q = 178 rte_zmalloc_socket("Ark_rx_queue mbuf", 179 nb_desc * sizeof(struct rte_mbuf *), 180 64, 181 socket_id); 182 queue->paddress_q = 183 rte_zmalloc_socket("Ark_rx_queue paddr", 184 nb_desc * sizeof(rte_iova_t), 185 64, 186 socket_id); 187 188 if (queue->reserve_q == 0 || queue->paddress_q == 0) { 189 PMD_DRV_LOG(ERR, 190 "Failed to allocate queue memory in %s\n", 191 __func__); 192 rte_free(queue->reserve_q); 193 rte_free(queue->paddress_q); 194 rte_free(queue); 195 return -ENOMEM; 196 } 197 198 dev->data->rx_queues[queue_idx] = queue; 199 queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET); 200 queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET); 201 202 /* populate mbuf reserve */ 203 status = eth_ark_rx_seed_mbufs(queue); 204 205 if (queue->seed_index != nb_desc) { 206 PMD_DRV_LOG(ERR, "ARK: Failed to allocate %u mbufs for RX queue %d\n", 207 nb_desc, qidx); 208 status = -1; 209 } 210 /* MPU Setup */ 211 if (status == 0) 212 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx); 213 214 if (unlikely(status != 0)) { 215 struct rte_mbuf **mbuf; 216 217 PMD_DRV_LOG(ERR, "Failed to initialize RX queue %d %s\n", 218 qidx, 219 __func__); 220 /* Free the mbufs allocated */ 221 for (i = 0, mbuf = queue->reserve_q; 222 i < queue->seed_index; ++i, mbuf++) { 223 rte_pktmbuf_free(*mbuf); 224 } 225 rte_free(queue->reserve_q); 226 rte_free(queue->paddress_q); 227 rte_free(queue); 228 return -1; /* ERROR CODE */ 229 } 230 231 return 0; 232 } 233 234 /* ************************************************************************* */ 235 uint16_t 236 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused, 237 struct rte_mbuf **rx_pkts __rte_unused, 238 uint16_t nb_pkts __rte_unused) 239 { 240 return 0; 241 } 242 243 /* ************************************************************************* */ 244 uint16_t 245 eth_ark_recv_pkts(void *rx_queue, 246 struct rte_mbuf **rx_pkts, 247 uint16_t nb_pkts) 248 { 249 struct ark_rx_queue *queue; 250 register uint32_t cons_index, prod_index; 251 uint16_t nb; 252 struct rte_mbuf *mbuf; 253 struct ark_rx_meta *meta; 254 255 queue = (struct ark_rx_queue *)rx_queue; 256 if (unlikely(queue == 0)) 257 return 0; 258 if (unlikely(nb_pkts == 0)) 259 return 0; 260 prod_index = queue->prod_index; 261 cons_index = queue->cons_index; 262 nb = 0; 263 264 while (prod_index != cons_index) { 265 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 266 /* prefetch mbuf */ 267 rte_mbuf_prefetch_part1(mbuf); 268 rte_mbuf_prefetch_part2(mbuf); 269 270 /* META DATA embedded in headroom */ 271 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET); 272 273 mbuf->port = meta->port; 274 mbuf->pkt_len = meta->pkt_len; 275 mbuf->data_len = meta->pkt_len; 276 mbuf->timestamp = meta->timestamp; 277 mbuf->udata64 = meta->user_data; 278 279 if (ARK_RX_DEBUG) { /* debug sanity checks */ 280 if ((meta->pkt_len > (1024 * 16)) || 281 (meta->pkt_len == 0)) { 282 PMD_RX_LOG(DEBUG, "RX: Bad Meta Q: %u" 283 " cons: %" PRIU32 284 " prod: %" PRIU32 285 " seed_index %" PRIU32 286 "\n", 287 queue->phys_qid, 288 cons_index, 289 queue->prod_index, 290 queue->seed_index); 291 292 293 PMD_RX_LOG(DEBUG, " : UDM" 294 " prod: %" PRIU32 295 " len: %u\n", 296 queue->udm->rt_cfg.prod_idx, 297 meta->pkt_len); 298 ark_mpu_dump(queue->mpu, 299 " ", 300 queue->phys_qid); 301 dump_mbuf_data(mbuf, 0, 256); 302 /* its FUBAR so fix it */ 303 mbuf->pkt_len = 63; 304 meta->pkt_len = 63; 305 } 306 /* seqn is only set under debug */ 307 mbuf->seqn = cons_index; 308 } 309 310 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN)) 311 cons_index = eth_ark_rx_jumbo 312 (queue, meta, mbuf, cons_index + 1); 313 else 314 cons_index += 1; 315 316 rx_pkts[nb] = mbuf; 317 nb++; 318 if (nb >= nb_pkts) 319 break; 320 } 321 322 if (unlikely(nb != 0)) 323 /* report next free to FPGA */ 324 eth_ark_rx_update_cons_index(queue, cons_index); 325 326 return nb; 327 } 328 329 /* ************************************************************************* */ 330 static uint32_t 331 eth_ark_rx_jumbo(struct ark_rx_queue *queue, 332 struct ark_rx_meta *meta, 333 struct rte_mbuf *mbuf0, 334 uint32_t cons_index) 335 { 336 struct rte_mbuf *mbuf_prev; 337 struct rte_mbuf *mbuf; 338 339 uint16_t remaining; 340 uint16_t data_len; 341 uint16_t segments; 342 343 /* first buf populated by called */ 344 mbuf_prev = mbuf0; 345 segments = 1; 346 data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM); 347 remaining = meta->pkt_len - data_len; 348 mbuf0->data_len = data_len; 349 350 /* HW guarantees that the data does not exceed prod_index! */ 351 while (remaining != 0) { 352 data_len = RTE_MIN(remaining, 353 RTE_MBUF_DEFAULT_DATAROOM + 354 RTE_PKTMBUF_HEADROOM); 355 356 remaining -= data_len; 357 segments += 1; 358 359 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 360 mbuf_prev->next = mbuf; 361 mbuf_prev = mbuf; 362 mbuf->data_len = data_len; 363 mbuf->data_off = 0; 364 if (ARK_RX_DEBUG) 365 mbuf->seqn = cons_index; /* for debug only */ 366 367 cons_index += 1; 368 } 369 370 mbuf0->nb_segs = segments; 371 return cons_index; 372 } 373 374 /* Drain the internal queue allowing hw to clear out. */ 375 static void 376 eth_ark_rx_queue_drain(struct ark_rx_queue *queue) 377 { 378 register uint32_t cons_index; 379 struct rte_mbuf *mbuf; 380 381 cons_index = queue->cons_index; 382 383 /* NOT performance optimized, since this is a one-shot call */ 384 while ((cons_index ^ queue->prod_index) & queue->queue_mask) { 385 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 386 rte_pktmbuf_free(mbuf); 387 cons_index++; 388 eth_ark_rx_update_cons_index(queue, cons_index); 389 } 390 } 391 392 uint32_t 393 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id) 394 { 395 struct ark_rx_queue *queue; 396 397 queue = dev->data->rx_queues[queue_id]; 398 return (queue->prod_index - queue->cons_index); /* mod arith */ 399 } 400 401 /* ************************************************************************* */ 402 int 403 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id) 404 { 405 struct ark_rx_queue *queue; 406 407 queue = dev->data->rx_queues[queue_id]; 408 if (queue == 0) 409 return -1; 410 411 dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED; 412 413 ark_mpu_set_producer(queue->mpu, queue->seed_index); 414 ark_mpu_start(queue->mpu); 415 416 ark_udm_queue_enable(queue->udm, 1); 417 418 return 0; 419 } 420 421 /* ************************************************************************* */ 422 423 /* Queue can be restarted. data remains 424 */ 425 int 426 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id) 427 { 428 struct ark_rx_queue *queue; 429 430 queue = dev->data->rx_queues[queue_id]; 431 if (queue == 0) 432 return -1; 433 434 ark_udm_queue_enable(queue->udm, 0); 435 436 dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; 437 438 return 0; 439 } 440 441 /* ************************************************************************* */ 442 static inline int 443 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue) 444 { 445 uint32_t limit = queue->cons_index + queue->queue_size; 446 uint32_t seed_index = queue->seed_index; 447 448 uint32_t count = 0; 449 uint32_t seed_m = queue->seed_index & queue->queue_mask; 450 451 uint32_t nb = limit - seed_index; 452 453 /* Handle wrap around -- remainder is filled on the next call */ 454 if (unlikely(seed_m + nb > queue->queue_size)) 455 nb = queue->queue_size - seed_m; 456 457 struct rte_mbuf **mbufs = &queue->reserve_q[seed_m]; 458 int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb); 459 460 if (unlikely(status != 0)) { 461 /* Try to recover from lack of mbufs in pool */ 462 status = eth_ark_rx_seed_recovery(queue, &nb, mbufs); 463 if (unlikely(status != 0)) { 464 return -1; 465 } 466 } 467 468 if (ARK_RX_DEBUG) { /* DEBUG */ 469 while (count != nb) { 470 struct rte_mbuf *mbuf_init = 471 queue->reserve_q[seed_m + count]; 472 473 memset(mbuf_init->buf_addr, -1, 512); 474 *((uint32_t *)mbuf_init->buf_addr) = 475 seed_index + count; 476 *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) = 477 queue->phys_qid; 478 count++; 479 } 480 count = 0; 481 } /* DEBUG */ 482 queue->seed_index += nb; 483 484 /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */ 485 switch (nb % 4) { 486 case 0: 487 while (count != nb) { 488 queue->paddress_q[seed_m++] = 489 (*mbufs++)->buf_iova; 490 count++; 491 /* FALLTHROUGH */ 492 case 3: 493 queue->paddress_q[seed_m++] = 494 (*mbufs++)->buf_iova; 495 count++; 496 /* FALLTHROUGH */ 497 case 2: 498 queue->paddress_q[seed_m++] = 499 (*mbufs++)->buf_iova; 500 count++; 501 /* FALLTHROUGH */ 502 case 1: 503 queue->paddress_q[seed_m++] = 504 (*mbufs++)->buf_iova; 505 count++; 506 /* FALLTHROUGH */ 507 508 } /* while (count != nb) */ 509 } /* switch */ 510 511 return 0; 512 } 513 514 int 515 eth_ark_rx_seed_recovery(struct ark_rx_queue *queue, 516 uint32_t *pnb, 517 struct rte_mbuf **mbufs) 518 { 519 int status = -1; 520 521 /* Ignore small allocation failures */ 522 if (*pnb <= 64) 523 return -1; 524 525 *pnb = 64U; 526 status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, *pnb); 527 if (status != 0) { 528 PMD_DRV_LOG(ERR, 529 "ARK: Could not allocate %u mbufs from pool for RX queue %u;" 530 " %u free buffers remaining in queue\n", 531 *pnb, queue->queue_index, 532 queue->seed_index - queue->cons_index); 533 } 534 return status; 535 } 536 537 void 538 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id, 539 const char *msg) 540 { 541 struct ark_rx_queue *queue; 542 543 queue = dev->data->rx_queues[queue_id]; 544 545 ark_ethdev_rx_dump(msg, queue); 546 } 547 548 /* ************************************************************************* */ 549 /* Call on device closed no user API, queue is stopped */ 550 void 551 eth_ark_dev_rx_queue_release(void *vqueue) 552 { 553 struct ark_rx_queue *queue; 554 uint32_t i; 555 556 queue = (struct ark_rx_queue *)vqueue; 557 if (queue == 0) 558 return; 559 560 ark_udm_queue_enable(queue->udm, 0); 561 /* Stop the MPU since pointer are going away */ 562 ark_mpu_stop(queue->mpu); 563 564 /* Need to clear out mbufs here, dropping packets along the way */ 565 eth_ark_rx_queue_drain(queue); 566 567 for (i = 0; i < queue->queue_size; ++i) 568 rte_pktmbuf_free(queue->reserve_q[i]); 569 570 rte_free(queue->reserve_q); 571 rte_free(queue->paddress_q); 572 rte_free(queue); 573 } 574 575 void 576 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats) 577 { 578 struct ark_rx_queue *queue; 579 struct ark_udm_t *udm; 580 581 queue = vqueue; 582 if (queue == 0) 583 return; 584 udm = queue->udm; 585 586 uint64_t ibytes = ark_udm_bytes(udm); 587 uint64_t ipackets = ark_udm_packets(udm); 588 uint64_t idropped = ark_udm_dropped(queue->udm); 589 590 stats->q_ipackets[queue->queue_index] = ipackets; 591 stats->q_ibytes[queue->queue_index] = ibytes; 592 stats->q_errors[queue->queue_index] = idropped; 593 stats->ipackets += ipackets; 594 stats->ibytes += ibytes; 595 stats->imissed += idropped; 596 } 597 598 void 599 eth_rx_queue_stats_reset(void *vqueue) 600 { 601 struct ark_rx_queue *queue; 602 603 queue = vqueue; 604 if (queue == 0) 605 return; 606 607 ark_mpu_reset_stats(queue->mpu); 608 ark_udm_queue_stats_reset(queue->udm); 609 } 610 611 void 612 eth_ark_udm_force_close(struct rte_eth_dev *dev) 613 { 614 struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private; 615 struct ark_rx_queue *queue; 616 uint32_t index; 617 uint16_t i; 618 619 if (!ark_udm_is_flushed(ark->udm.v)) { 620 /* restart the MPUs */ 621 PMD_DRV_LOG(ERR, "ARK: %s UDM not flushed\n", __func__); 622 for (i = 0; i < dev->data->nb_rx_queues; i++) { 623 queue = (struct ark_rx_queue *)dev->data->rx_queues[i]; 624 if (queue == 0) 625 continue; 626 627 ark_mpu_start(queue->mpu); 628 /* Add some buffers */ 629 index = 100000 + queue->seed_index; 630 ark_mpu_set_producer(queue->mpu, index); 631 } 632 /* Wait to allow data to pass */ 633 usleep(100); 634 635 PMD_DEBUG_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n", 636 ark_udm_is_flushed(ark->udm.v)); 637 } 638 ark_udm_reset(ark->udm.v); 639 } 640 641 static void 642 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue) 643 { 644 if (queue == NULL) 645 return; 646 PMD_DEBUG_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name); 647 PMD_DEBUG_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n", 648 "queue_size", queue->queue_size, 649 "seed_index", queue->seed_index, 650 "prod_index", queue->prod_index, 651 "cons_index", queue->cons_index); 652 653 ark_mpu_dump(queue->mpu, name, queue->phys_qid); 654 ark_mpu_dump_setup(queue->mpu, queue->phys_qid); 655 ark_udm_dump(queue->udm, name); 656 ark_udm_dump_setup(queue->udm, queue->phys_qid); 657 } 658 659 /* Only used in debug. 660 * This function is a raw memory dump of a portion of an mbuf's memory 661 * region. The usual function, rte_pktmbuf_dump() only shows data 662 * with respect to the data_off field. This function show data 663 * anywhere in the mbuf's buffer. This is useful for examining 664 * data in the headroom or tailroom portion of an mbuf. 665 */ 666 static void 667 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi) 668 { 669 uint16_t i, j; 670 671 PMD_DRV_LOG(INFO, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n", mbuf, 672 mbuf->pkt_len, mbuf->data_off, mbuf->seqn); 673 for (i = lo; i < hi; i += 16) { 674 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i); 675 676 PMD_DRV_LOG(INFO, " %6d: ", i); 677 for (j = 0; j < 16; j++) 678 PMD_DRV_LOG(INFO, " %02x", dp[j]); 679 680 PMD_DRV_LOG(INFO, "\n"); 681 } 682 } 683