1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) 2015-2017 Atomic Rules LLC 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of copyright holder nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <unistd.h> 35 36 #include "ark_ethdev_rx.h" 37 #include "ark_global.h" 38 #include "ark_logs.h" 39 #include "ark_mpu.h" 40 #include "ark_udm.h" 41 42 #define ARK_RX_META_SIZE 32 43 #define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE) 44 #define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM) 45 46 /* Forward declarations */ 47 struct ark_rx_queue; 48 struct ark_rx_meta; 49 50 static void dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi); 51 static void ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue); 52 static uint32_t eth_ark_rx_jumbo(struct ark_rx_queue *queue, 53 struct ark_rx_meta *meta, 54 struct rte_mbuf *mbuf0, 55 uint32_t cons_index); 56 static inline int eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue); 57 58 /* ************************************************************************* */ 59 struct ark_rx_queue { 60 /* array of mbufs to populate */ 61 struct rte_mbuf **reserve_q; 62 /* array of physical addresses of the mbuf data pointer */ 63 /* This point is a virtual address */ 64 rte_iova_t *paddress_q; 65 struct rte_mempool *mb_pool; 66 67 struct ark_udm_t *udm; 68 struct ark_mpu_t *mpu; 69 70 uint32_t queue_size; 71 uint32_t queue_mask; 72 73 uint32_t seed_index; /* step 1 set with empty mbuf */ 74 uint32_t cons_index; /* step 3 consumed by driver */ 75 76 /* The queue Id is used to identify the HW Q */ 77 uint16_t phys_qid; 78 79 /* The queue Index is used within the dpdk device structures */ 80 uint16_t queue_index; 81 82 uint32_t pad1; 83 84 /* separate cache line */ 85 /* second cache line - fields only used in slow path */ 86 MARKER cacheline1 __rte_cache_min_aligned; 87 88 volatile uint32_t prod_index; /* step 2 filled by FPGA */ 89 } __rte_cache_aligned; 90 91 92 /* ************************************************************************* */ 93 static int 94 eth_ark_rx_hw_setup(struct rte_eth_dev *dev, 95 struct ark_rx_queue *queue, 96 uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx) 97 { 98 rte_iova_t queue_base; 99 rte_iova_t phys_addr_q_base; 100 rte_iova_t phys_addr_prod_index; 101 102 queue_base = rte_malloc_virt2iova(queue); 103 phys_addr_prod_index = queue_base + 104 offsetof(struct ark_rx_queue, prod_index); 105 106 phys_addr_q_base = rte_malloc_virt2iova(queue->paddress_q); 107 108 /* Verify HW */ 109 if (ark_mpu_verify(queue->mpu, sizeof(rte_iova_t))) { 110 PMD_DRV_LOG(ERR, "Illegal configuration rx queue\n"); 111 return -1; 112 } 113 114 /* Stop and Reset and configure MPU */ 115 ark_mpu_configure(queue->mpu, phys_addr_q_base, queue->queue_size, 0); 116 117 ark_udm_write_addr(queue->udm, phys_addr_prod_index); 118 119 /* advance the valid pointer, but don't start until the queue starts */ 120 ark_mpu_reset_stats(queue->mpu); 121 122 /* The seed is the producer index for the HW */ 123 ark_mpu_set_producer(queue->mpu, queue->seed_index); 124 dev->data->rx_queue_state[rx_queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED; 125 126 return 0; 127 } 128 129 static inline void 130 eth_ark_rx_update_cons_index(struct ark_rx_queue *queue, uint32_t cons_index) 131 { 132 queue->cons_index = cons_index; 133 eth_ark_rx_seed_mbufs(queue); 134 ark_mpu_set_producer(queue->mpu, queue->seed_index); 135 } 136 137 /* ************************************************************************* */ 138 int 139 eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev, 140 uint16_t queue_idx, 141 uint16_t nb_desc, 142 unsigned int socket_id, 143 const struct rte_eth_rxconf *rx_conf, 144 struct rte_mempool *mb_pool) 145 { 146 static int warning1; /* = 0 */ 147 struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private; 148 149 struct ark_rx_queue *queue; 150 uint32_t i; 151 int status; 152 153 /* Future works: divide the Q's evenly with multi-ports */ 154 int port = dev->data->port_id; 155 int qidx = port + queue_idx; 156 157 /* We may already be setup, free memory prior to re-allocation */ 158 if (dev->data->rx_queues[queue_idx] != NULL) { 159 eth_ark_dev_rx_queue_release(dev->data->rx_queues[queue_idx]); 160 dev->data->rx_queues[queue_idx] = NULL; 161 } 162 163 if (rx_conf != NULL && warning1 == 0) { 164 warning1 = 1; 165 PMD_DRV_LOG(INFO, 166 "Arkville ignores rte_eth_rxconf argument.\n"); 167 } 168 169 if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) { 170 PMD_DRV_LOG(ERR, 171 "Error: DPDK Arkville requires head room > %d bytes (%s)\n", 172 ARK_RX_META_SIZE, __func__); 173 return -1; /* ERROR CODE */ 174 } 175 176 if (!rte_is_power_of_2(nb_desc)) { 177 PMD_DRV_LOG(ERR, 178 "DPDK Arkville configuration queue size must be power of two %u (%s)\n", 179 nb_desc, __func__); 180 return -1; /* ERROR CODE */ 181 } 182 183 /* Allocate queue struct */ 184 queue = rte_zmalloc_socket("Ark_rxqueue", 185 sizeof(struct ark_rx_queue), 186 64, 187 socket_id); 188 if (queue == 0) { 189 PMD_DRV_LOG(ERR, "Failed to allocate memory in %s\n", __func__); 190 return -ENOMEM; 191 } 192 193 /* NOTE zmalloc is used, no need to 0 indexes, etc. */ 194 queue->mb_pool = mb_pool; 195 queue->phys_qid = qidx; 196 queue->queue_index = queue_idx; 197 queue->queue_size = nb_desc; 198 queue->queue_mask = nb_desc - 1; 199 200 queue->reserve_q = 201 rte_zmalloc_socket("Ark_rx_queue mbuf", 202 nb_desc * sizeof(struct rte_mbuf *), 203 64, 204 socket_id); 205 queue->paddress_q = 206 rte_zmalloc_socket("Ark_rx_queue paddr", 207 nb_desc * sizeof(rte_iova_t), 208 64, 209 socket_id); 210 211 if (queue->reserve_q == 0 || queue->paddress_q == 0) { 212 PMD_DRV_LOG(ERR, 213 "Failed to allocate queue memory in %s\n", 214 __func__); 215 rte_free(queue->reserve_q); 216 rte_free(queue->paddress_q); 217 rte_free(queue); 218 return -ENOMEM; 219 } 220 221 dev->data->rx_queues[queue_idx] = queue; 222 queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET); 223 queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET); 224 225 /* populate mbuf reserve */ 226 status = eth_ark_rx_seed_mbufs(queue); 227 228 /* MPU Setup */ 229 if (status == 0) 230 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx); 231 232 if (unlikely(status != 0)) { 233 struct rte_mbuf *mbuf; 234 235 PMD_DRV_LOG(ERR, "Failed to initialize RX queue %d %s\n", 236 qidx, 237 __func__); 238 /* Free the mbufs allocated */ 239 for (i = 0, mbuf = queue->reserve_q[0]; 240 i < nb_desc; ++i, mbuf++) { 241 rte_pktmbuf_free(mbuf); 242 } 243 rte_free(queue->reserve_q); 244 rte_free(queue->paddress_q); 245 rte_free(queue); 246 return -1; /* ERROR CODE */ 247 } 248 249 return 0; 250 } 251 252 /* ************************************************************************* */ 253 uint16_t 254 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused, 255 struct rte_mbuf **rx_pkts __rte_unused, 256 uint16_t nb_pkts __rte_unused) 257 { 258 return 0; 259 } 260 261 /* ************************************************************************* */ 262 uint16_t 263 eth_ark_recv_pkts(void *rx_queue, 264 struct rte_mbuf **rx_pkts, 265 uint16_t nb_pkts) 266 { 267 struct ark_rx_queue *queue; 268 register uint32_t cons_index, prod_index; 269 uint16_t nb; 270 struct rte_mbuf *mbuf; 271 struct ark_rx_meta *meta; 272 273 queue = (struct ark_rx_queue *)rx_queue; 274 if (unlikely(queue == 0)) 275 return 0; 276 if (unlikely(nb_pkts == 0)) 277 return 0; 278 prod_index = queue->prod_index; 279 cons_index = queue->cons_index; 280 nb = 0; 281 282 while (prod_index != cons_index) { 283 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 284 /* prefetch mbuf */ 285 rte_mbuf_prefetch_part1(mbuf); 286 rte_mbuf_prefetch_part2(mbuf); 287 288 /* META DATA embedded in headroom */ 289 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET); 290 291 mbuf->port = meta->port; 292 mbuf->pkt_len = meta->pkt_len; 293 mbuf->data_len = meta->pkt_len; 294 mbuf->timestamp = meta->timestamp; 295 mbuf->udata64 = meta->user_data; 296 297 if (ARK_RX_DEBUG) { /* debug sanity checks */ 298 if ((meta->pkt_len > (1024 * 16)) || 299 (meta->pkt_len == 0)) { 300 PMD_RX_LOG(DEBUG, "RX: Bad Meta Q: %u" 301 " cons: %" PRIU32 302 " prod: %" PRIU32 303 " seed_index %" PRIU32 304 "\n", 305 queue->phys_qid, 306 cons_index, 307 queue->prod_index, 308 queue->seed_index); 309 310 311 PMD_RX_LOG(DEBUG, " : UDM" 312 " prod: %" PRIU32 313 " len: %u\n", 314 queue->udm->rt_cfg.prod_idx, 315 meta->pkt_len); 316 ark_mpu_dump(queue->mpu, 317 " ", 318 queue->phys_qid); 319 dump_mbuf_data(mbuf, 0, 256); 320 /* its FUBAR so fix it */ 321 mbuf->pkt_len = 63; 322 meta->pkt_len = 63; 323 } 324 /* seqn is only set under debug */ 325 mbuf->seqn = cons_index; 326 } 327 328 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN)) 329 cons_index = eth_ark_rx_jumbo 330 (queue, meta, mbuf, cons_index + 1); 331 else 332 cons_index += 1; 333 334 rx_pkts[nb] = mbuf; 335 nb++; 336 if (nb >= nb_pkts) 337 break; 338 } 339 340 if (unlikely(nb != 0)) 341 /* report next free to FPGA */ 342 eth_ark_rx_update_cons_index(queue, cons_index); 343 344 return nb; 345 } 346 347 /* ************************************************************************* */ 348 static uint32_t 349 eth_ark_rx_jumbo(struct ark_rx_queue *queue, 350 struct ark_rx_meta *meta, 351 struct rte_mbuf *mbuf0, 352 uint32_t cons_index) 353 { 354 struct rte_mbuf *mbuf_prev; 355 struct rte_mbuf *mbuf; 356 357 uint16_t remaining; 358 uint16_t data_len; 359 uint16_t segments; 360 361 /* first buf populated by called */ 362 mbuf_prev = mbuf0; 363 segments = 1; 364 data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM); 365 remaining = meta->pkt_len - data_len; 366 mbuf0->data_len = data_len; 367 368 /* HW guarantees that the data does not exceed prod_index! */ 369 while (remaining != 0) { 370 data_len = RTE_MIN(remaining, 371 RTE_MBUF_DEFAULT_DATAROOM + 372 RTE_PKTMBUF_HEADROOM); 373 374 remaining -= data_len; 375 segments += 1; 376 377 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 378 mbuf_prev->next = mbuf; 379 mbuf_prev = mbuf; 380 mbuf->data_len = data_len; 381 mbuf->data_off = 0; 382 if (ARK_RX_DEBUG) 383 mbuf->seqn = cons_index; /* for debug only */ 384 385 cons_index += 1; 386 } 387 388 mbuf0->nb_segs = segments; 389 return cons_index; 390 } 391 392 /* Drain the internal queue allowing hw to clear out. */ 393 static void 394 eth_ark_rx_queue_drain(struct ark_rx_queue *queue) 395 { 396 register uint32_t cons_index; 397 struct rte_mbuf *mbuf; 398 399 cons_index = queue->cons_index; 400 401 /* NOT performance optimized, since this is a one-shot call */ 402 while ((cons_index ^ queue->prod_index) & queue->queue_mask) { 403 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 404 rte_pktmbuf_free(mbuf); 405 cons_index++; 406 eth_ark_rx_update_cons_index(queue, cons_index); 407 } 408 } 409 410 uint32_t 411 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id) 412 { 413 struct ark_rx_queue *queue; 414 415 queue = dev->data->rx_queues[queue_id]; 416 return (queue->prod_index - queue->cons_index); /* mod arith */ 417 } 418 419 /* ************************************************************************* */ 420 int 421 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id) 422 { 423 struct ark_rx_queue *queue; 424 425 queue = dev->data->rx_queues[queue_id]; 426 if (queue == 0) 427 return -1; 428 429 dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED; 430 431 ark_mpu_set_producer(queue->mpu, queue->seed_index); 432 ark_mpu_start(queue->mpu); 433 434 ark_udm_queue_enable(queue->udm, 1); 435 436 return 0; 437 } 438 439 /* ************************************************************************* */ 440 441 /* Queue can be restarted. data remains 442 */ 443 int 444 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id) 445 { 446 struct ark_rx_queue *queue; 447 448 queue = dev->data->rx_queues[queue_id]; 449 if (queue == 0) 450 return -1; 451 452 ark_udm_queue_enable(queue->udm, 0); 453 454 dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; 455 456 return 0; 457 } 458 459 /* ************************************************************************* */ 460 static inline int 461 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue) 462 { 463 uint32_t limit = queue->cons_index + queue->queue_size; 464 uint32_t seed_index = queue->seed_index; 465 466 uint32_t count = 0; 467 uint32_t seed_m = queue->seed_index & queue->queue_mask; 468 469 uint32_t nb = limit - seed_index; 470 471 /* Handle wrap around -- remainder is filled on the next call */ 472 if (unlikely(seed_m + nb > queue->queue_size)) 473 nb = queue->queue_size - seed_m; 474 475 struct rte_mbuf **mbufs = &queue->reserve_q[seed_m]; 476 int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb); 477 478 if (unlikely(status != 0)) 479 return -1; 480 481 if (ARK_RX_DEBUG) { /* DEBUG */ 482 while (count != nb) { 483 struct rte_mbuf *mbuf_init = 484 queue->reserve_q[seed_m + count]; 485 486 memset(mbuf_init->buf_addr, -1, 512); 487 *((uint32_t *)mbuf_init->buf_addr) = 488 seed_index + count; 489 *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) = 490 queue->phys_qid; 491 count++; 492 } 493 count = 0; 494 } /* DEBUG */ 495 queue->seed_index += nb; 496 497 /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */ 498 switch (nb % 4) { 499 case 0: 500 while (count != nb) { 501 queue->paddress_q[seed_m++] = 502 (*mbufs++)->buf_iova; 503 count++; 504 /* FALLTHROUGH */ 505 case 3: 506 queue->paddress_q[seed_m++] = 507 (*mbufs++)->buf_iova; 508 count++; 509 /* FALLTHROUGH */ 510 case 2: 511 queue->paddress_q[seed_m++] = 512 (*mbufs++)->buf_iova; 513 count++; 514 /* FALLTHROUGH */ 515 case 1: 516 queue->paddress_q[seed_m++] = 517 (*mbufs++)->buf_iova; 518 count++; 519 /* FALLTHROUGH */ 520 521 } /* while (count != nb) */ 522 } /* switch */ 523 524 return 0; 525 } 526 527 void 528 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id, 529 const char *msg) 530 { 531 struct ark_rx_queue *queue; 532 533 queue = dev->data->rx_queues[queue_id]; 534 535 ark_ethdev_rx_dump(msg, queue); 536 } 537 538 /* ************************************************************************* */ 539 /* Call on device closed no user API, queue is stopped */ 540 void 541 eth_ark_dev_rx_queue_release(void *vqueue) 542 { 543 struct ark_rx_queue *queue; 544 uint32_t i; 545 546 queue = (struct ark_rx_queue *)vqueue; 547 if (queue == 0) 548 return; 549 550 ark_udm_queue_enable(queue->udm, 0); 551 /* Stop the MPU since pointer are going away */ 552 ark_mpu_stop(queue->mpu); 553 554 /* Need to clear out mbufs here, dropping packets along the way */ 555 eth_ark_rx_queue_drain(queue); 556 557 for (i = 0; i < queue->queue_size; ++i) 558 rte_pktmbuf_free(queue->reserve_q[i]); 559 560 rte_free(queue->reserve_q); 561 rte_free(queue->paddress_q); 562 rte_free(queue); 563 } 564 565 void 566 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats) 567 { 568 struct ark_rx_queue *queue; 569 struct ark_udm_t *udm; 570 571 queue = vqueue; 572 if (queue == 0) 573 return; 574 udm = queue->udm; 575 576 uint64_t ibytes = ark_udm_bytes(udm); 577 uint64_t ipackets = ark_udm_packets(udm); 578 uint64_t idropped = ark_udm_dropped(queue->udm); 579 580 stats->q_ipackets[queue->queue_index] = ipackets; 581 stats->q_ibytes[queue->queue_index] = ibytes; 582 stats->q_errors[queue->queue_index] = idropped; 583 stats->ipackets += ipackets; 584 stats->ibytes += ibytes; 585 stats->imissed += idropped; 586 } 587 588 void 589 eth_rx_queue_stats_reset(void *vqueue) 590 { 591 struct ark_rx_queue *queue; 592 593 queue = vqueue; 594 if (queue == 0) 595 return; 596 597 ark_mpu_reset_stats(queue->mpu); 598 ark_udm_queue_stats_reset(queue->udm); 599 } 600 601 void 602 eth_ark_udm_force_close(struct rte_eth_dev *dev) 603 { 604 struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private; 605 struct ark_rx_queue *queue; 606 uint32_t index; 607 uint16_t i; 608 609 if (!ark_udm_is_flushed(ark->udm.v)) { 610 /* restart the MPUs */ 611 PMD_DRV_LOG(ERR, "ARK: %s UDM not flushed\n", __func__); 612 for (i = 0; i < dev->data->nb_rx_queues; i++) { 613 queue = (struct ark_rx_queue *)dev->data->rx_queues[i]; 614 if (queue == 0) 615 continue; 616 617 ark_mpu_start(queue->mpu); 618 /* Add some buffers */ 619 index = 100000 + queue->seed_index; 620 ark_mpu_set_producer(queue->mpu, index); 621 } 622 /* Wait to allow data to pass */ 623 usleep(100); 624 625 PMD_DEBUG_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n", 626 ark_udm_is_flushed(ark->udm.v)); 627 } 628 ark_udm_reset(ark->udm.v); 629 } 630 631 static void 632 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue) 633 { 634 if (queue == NULL) 635 return; 636 PMD_DEBUG_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name); 637 PMD_DEBUG_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n", 638 "queue_size", queue->queue_size, 639 "seed_index", queue->seed_index, 640 "prod_index", queue->prod_index, 641 "cons_index", queue->cons_index); 642 643 ark_mpu_dump(queue->mpu, name, queue->phys_qid); 644 ark_mpu_dump_setup(queue->mpu, queue->phys_qid); 645 ark_udm_dump(queue->udm, name); 646 ark_udm_dump_setup(queue->udm, queue->phys_qid); 647 } 648 649 /* Only used in debug. 650 * This function is a raw memory dump of a portion of an mbuf's memory 651 * region. The usual function, rte_pktmbuf_dump() only shows data 652 * with respect to the data_off field. This function show data 653 * anywhere in the mbuf's buffer. This is useful for examining 654 * data in the headroom or tailroom portion of an mbuf. 655 */ 656 static void 657 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi) 658 { 659 uint16_t i, j; 660 661 PMD_DRV_LOG(INFO, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n", mbuf, 662 mbuf->pkt_len, mbuf->data_off, mbuf->seqn); 663 for (i = lo; i < hi; i += 16) { 664 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i); 665 666 PMD_DRV_LOG(INFO, " %6d: ", i); 667 for (j = 0; j < 16; j++) 668 PMD_DRV_LOG(INFO, " %02x", dp[j]); 669 670 PMD_DRV_LOG(INFO, "\n"); 671 } 672 } 673