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_ethdev.h" 40 #include "ark_mpu.h" 41 #include "ark_udm.h" 42 43 #define ARK_RX_META_SIZE 32 44 #define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE) 45 #define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM) 46 47 /* Forward declarations */ 48 struct ark_rx_queue; 49 struct ark_rx_meta; 50 51 static void dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi); 52 static void ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue); 53 static uint32_t eth_ark_rx_jumbo(struct ark_rx_queue *queue, 54 struct ark_rx_meta *meta, 55 struct rte_mbuf *mbuf0, 56 uint32_t cons_index); 57 static inline int eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue); 58 59 /* ************************************************************************* */ 60 struct ark_rx_queue { 61 /* array of mbufs to populate */ 62 struct rte_mbuf **reserve_q; 63 /* array of physical addresses of the mbuf data pointer */ 64 /* This point is a virtual address */ 65 phys_addr_t *paddress_q; 66 struct rte_mempool *mb_pool; 67 68 struct ark_udm_t *udm; 69 struct ark_mpu_t *mpu; 70 71 uint32_t queue_size; 72 uint32_t queue_mask; 73 74 uint32_t seed_index; /* step 1 set with empty mbuf */ 75 uint32_t cons_index; /* step 3 consumed by driver */ 76 77 /* The queue Id is used to identify the HW Q */ 78 uint16_t phys_qid; 79 80 /* The queue Index is used within the dpdk device structures */ 81 uint16_t queue_index; 82 83 uint32_t pad1; 84 85 /* separate cache line */ 86 /* second cache line - fields only used in slow path */ 87 MARKER cacheline1 __rte_cache_min_aligned; 88 89 volatile uint32_t prod_index; /* step 2 filled by FPGA */ 90 } __rte_cache_aligned; 91 92 93 /* ************************************************************************* */ 94 static int 95 eth_ark_rx_hw_setup(struct rte_eth_dev *dev, 96 struct ark_rx_queue *queue, 97 uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx) 98 { 99 phys_addr_t queue_base; 100 phys_addr_t phys_addr_q_base; 101 phys_addr_t phys_addr_prod_index; 102 103 queue_base = rte_malloc_virt2phy(queue); 104 phys_addr_prod_index = queue_base + 105 offsetof(struct ark_rx_queue, prod_index); 106 107 phys_addr_q_base = rte_malloc_virt2phy(queue->paddress_q); 108 109 /* Verify HW */ 110 if (ark_mpu_verify(queue->mpu, sizeof(phys_addr_t))) { 111 PMD_DRV_LOG(ERR, "Illegal configuration rx queue\n"); 112 return -1; 113 } 114 115 /* Stop and Reset and configure MPU */ 116 ark_mpu_configure(queue->mpu, phys_addr_q_base, queue->queue_size, 0); 117 118 ark_udm_write_addr(queue->udm, phys_addr_prod_index); 119 120 /* advance the valid pointer, but don't start until the queue starts */ 121 ark_mpu_reset_stats(queue->mpu); 122 123 /* The seed is the producer index for the HW */ 124 ark_mpu_set_producer(queue->mpu, queue->seed_index); 125 dev->data->rx_queue_state[rx_queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED; 126 127 return 0; 128 } 129 130 static inline void 131 eth_ark_rx_update_cons_index(struct ark_rx_queue *queue, uint32_t cons_index) 132 { 133 queue->cons_index = cons_index; 134 eth_ark_rx_seed_mbufs(queue); 135 ark_mpu_set_producer(queue->mpu, queue->seed_index); 136 } 137 138 /* ************************************************************************* */ 139 int 140 eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev, 141 uint16_t queue_idx, 142 uint16_t nb_desc, 143 unsigned int socket_id, 144 const struct rte_eth_rxconf *rx_conf, 145 struct rte_mempool *mb_pool) 146 { 147 static int warning1; /* = 0 */ 148 struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private; 149 150 struct ark_rx_queue *queue; 151 uint32_t i; 152 int status; 153 154 /* Future works: divide the Q's evenly with multi-ports */ 155 int port = dev->data->port_id; 156 int qidx = port + queue_idx; 157 158 /* We may already be setup, free memory prior to re-allocation */ 159 if (dev->data->rx_queues[queue_idx] != NULL) { 160 eth_ark_dev_rx_queue_release(dev->data->rx_queues[queue_idx]); 161 dev->data->rx_queues[queue_idx] = NULL; 162 } 163 164 if (rx_conf != NULL && warning1 == 0) { 165 warning1 = 1; 166 PMD_DRV_LOG(INFO, 167 "Arkville ignores rte_eth_rxconf argument.\n"); 168 } 169 170 if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) { 171 PMD_DRV_LOG(ERR, 172 "Error: DPDK Arkville requires head room > %d bytes (%s)\n", 173 ARK_RX_META_SIZE, __func__); 174 return -1; /* ERROR CODE */ 175 } 176 177 if (!rte_is_power_of_2(nb_desc)) { 178 PMD_DRV_LOG(ERR, 179 "DPDK Arkville configuration queue size must be power of two %u (%s)\n", 180 nb_desc, __func__); 181 return -1; /* ERROR CODE */ 182 } 183 184 /* Allocate queue struct */ 185 queue = rte_zmalloc_socket("Ark_rxqueue", 186 sizeof(struct ark_rx_queue), 187 64, 188 socket_id); 189 if (queue == 0) { 190 PMD_DRV_LOG(ERR, "Failed to allocate memory in %s\n", __func__); 191 return -ENOMEM; 192 } 193 194 /* NOTE zmalloc is used, no need to 0 indexes, etc. */ 195 queue->mb_pool = mb_pool; 196 queue->phys_qid = qidx; 197 queue->queue_index = queue_idx; 198 queue->queue_size = nb_desc; 199 queue->queue_mask = nb_desc - 1; 200 201 queue->reserve_q = 202 rte_zmalloc_socket("Ark_rx_queue mbuf", 203 nb_desc * sizeof(struct rte_mbuf *), 204 64, 205 socket_id); 206 queue->paddress_q = 207 rte_zmalloc_socket("Ark_rx_queue paddr", 208 nb_desc * sizeof(phys_addr_t), 209 64, 210 socket_id); 211 212 if (queue->reserve_q == 0 || queue->paddress_q == 0) { 213 PMD_DRV_LOG(ERR, 214 "Failed to allocate queue memory in %s\n", 215 __func__); 216 rte_free(queue->reserve_q); 217 rte_free(queue->paddress_q); 218 rte_free(queue); 219 return -ENOMEM; 220 } 221 222 dev->data->rx_queues[queue_idx] = queue; 223 queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET); 224 queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET); 225 226 /* populate mbuf reserve */ 227 status = eth_ark_rx_seed_mbufs(queue); 228 229 /* MPU Setup */ 230 if (status == 0) 231 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx); 232 233 if (unlikely(status != 0)) { 234 struct rte_mbuf *mbuf; 235 236 PMD_DRV_LOG(ERR, "Failed to initialize RX queue %d %s\n", 237 qidx, 238 __func__); 239 /* Free the mbufs allocated */ 240 for (i = 0, mbuf = queue->reserve_q[0]; 241 i < nb_desc; ++i, mbuf++) { 242 rte_pktmbuf_free(mbuf); 243 } 244 rte_free(queue->reserve_q); 245 rte_free(queue->paddress_q); 246 rte_free(queue); 247 return -1; /* ERROR CODE */ 248 } 249 250 return 0; 251 } 252 253 /* ************************************************************************* */ 254 uint16_t 255 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused, 256 struct rte_mbuf **rx_pkts __rte_unused, 257 uint16_t nb_pkts __rte_unused) 258 { 259 return 0; 260 } 261 262 /* ************************************************************************* */ 263 uint16_t 264 eth_ark_recv_pkts(void *rx_queue, 265 struct rte_mbuf **rx_pkts, 266 uint16_t nb_pkts) 267 { 268 struct ark_rx_queue *queue; 269 register uint32_t cons_index, prod_index; 270 uint16_t nb; 271 struct rte_mbuf *mbuf; 272 struct ark_rx_meta *meta; 273 274 queue = (struct ark_rx_queue *)rx_queue; 275 if (unlikely(queue == 0)) 276 return 0; 277 if (unlikely(nb_pkts == 0)) 278 return 0; 279 prod_index = queue->prod_index; 280 cons_index = queue->cons_index; 281 nb = 0; 282 283 while (prod_index != cons_index) { 284 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 285 /* prefetch mbuf */ 286 rte_mbuf_prefetch_part1(mbuf); 287 rte_mbuf_prefetch_part2(mbuf); 288 289 /* META DATA embedded in headroom */ 290 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET); 291 292 mbuf->port = meta->port; 293 mbuf->pkt_len = meta->pkt_len; 294 mbuf->data_len = meta->pkt_len; 295 mbuf->timestamp = meta->timestamp; 296 mbuf->udata64 = meta->user_data; 297 298 if (ARK_RX_DEBUG) { /* debug sanity checks */ 299 if ((meta->pkt_len > (1024 * 16)) || 300 (meta->pkt_len == 0)) { 301 PMD_RX_LOG(DEBUG, "RX: Bad Meta Q: %u" 302 " cons: %" PRIU32 303 " prod: %" PRIU32 304 " seed_index %" PRIU32 305 "\n", 306 queue->phys_qid, 307 cons_index, 308 queue->prod_index, 309 queue->seed_index); 310 311 312 PMD_RX_LOG(DEBUG, " : UDM" 313 " prod: %" PRIU32 314 " len: %u\n", 315 queue->udm->rt_cfg.prod_idx, 316 meta->pkt_len); 317 ark_mpu_dump(queue->mpu, 318 " ", 319 queue->phys_qid); 320 dump_mbuf_data(mbuf, 0, 256); 321 /* its FUBAR so fix it */ 322 mbuf->pkt_len = 63; 323 meta->pkt_len = 63; 324 } 325 /* seqn is only set under debug */ 326 mbuf->seqn = cons_index; 327 } 328 329 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN)) 330 cons_index = eth_ark_rx_jumbo 331 (queue, meta, mbuf, cons_index + 1); 332 else 333 cons_index += 1; 334 335 rx_pkts[nb] = mbuf; 336 nb++; 337 if (nb >= nb_pkts) 338 break; 339 } 340 341 if (unlikely(nb != 0)) 342 /* report next free to FPGA */ 343 eth_ark_rx_update_cons_index(queue, cons_index); 344 345 return nb; 346 } 347 348 /* ************************************************************************* */ 349 static uint32_t 350 eth_ark_rx_jumbo(struct ark_rx_queue *queue, 351 struct ark_rx_meta *meta, 352 struct rte_mbuf *mbuf0, 353 uint32_t cons_index) 354 { 355 struct rte_mbuf *mbuf_prev; 356 struct rte_mbuf *mbuf; 357 358 uint16_t remaining; 359 uint16_t data_len; 360 uint8_t segments; 361 362 /* first buf populated by called */ 363 mbuf_prev = mbuf0; 364 segments = 1; 365 data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM); 366 remaining = meta->pkt_len - data_len; 367 mbuf0->data_len = data_len; 368 369 /* HW guarantees that the data does not exceed prod_index! */ 370 while (remaining != 0) { 371 data_len = RTE_MIN(remaining, 372 RTE_MBUF_DEFAULT_DATAROOM + 373 RTE_PKTMBUF_HEADROOM); 374 375 remaining -= data_len; 376 segments += 1; 377 378 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 379 mbuf_prev->next = mbuf; 380 mbuf_prev = mbuf; 381 mbuf->data_len = data_len; 382 mbuf->data_off = 0; 383 if (ARK_RX_DEBUG) 384 mbuf->seqn = cons_index; /* for debug only */ 385 386 cons_index += 1; 387 } 388 389 mbuf0->nb_segs = segments; 390 return cons_index; 391 } 392 393 /* Drain the internal queue allowing hw to clear out. */ 394 static void 395 eth_ark_rx_queue_drain(struct ark_rx_queue *queue) 396 { 397 register uint32_t cons_index; 398 struct rte_mbuf *mbuf; 399 400 cons_index = queue->cons_index; 401 402 /* NOT performance optimized, since this is a one-shot call */ 403 while ((cons_index ^ queue->prod_index) & queue->queue_mask) { 404 mbuf = queue->reserve_q[cons_index & queue->queue_mask]; 405 rte_pktmbuf_free(mbuf); 406 cons_index++; 407 eth_ark_rx_update_cons_index(queue, cons_index); 408 } 409 } 410 411 uint32_t 412 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id) 413 { 414 struct ark_rx_queue *queue; 415 416 queue = dev->data->rx_queues[queue_id]; 417 return (queue->prod_index - queue->cons_index); /* mod arith */ 418 } 419 420 /* ************************************************************************* */ 421 int 422 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id) 423 { 424 struct ark_rx_queue *queue; 425 426 queue = dev->data->rx_queues[queue_id]; 427 if (queue == 0) 428 return -1; 429 430 dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED; 431 432 ark_mpu_set_producer(queue->mpu, queue->seed_index); 433 ark_mpu_start(queue->mpu); 434 435 ark_udm_queue_enable(queue->udm, 1); 436 437 return 0; 438 } 439 440 /* ************************************************************************* */ 441 442 /* Queue can be restarted. data remains 443 */ 444 int 445 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id) 446 { 447 struct ark_rx_queue *queue; 448 449 queue = dev->data->rx_queues[queue_id]; 450 if (queue == 0) 451 return -1; 452 453 ark_udm_queue_enable(queue->udm, 0); 454 455 dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; 456 457 return 0; 458 } 459 460 /* ************************************************************************* */ 461 static inline int 462 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue) 463 { 464 uint32_t limit = queue->cons_index + queue->queue_size; 465 uint32_t seed_index = queue->seed_index; 466 467 uint32_t count = 0; 468 uint32_t seed_m = queue->seed_index & queue->queue_mask; 469 470 uint32_t nb = limit - seed_index; 471 472 /* Handle wrap around -- remainder is filled on the next call */ 473 if (unlikely(seed_m + nb > queue->queue_size)) 474 nb = queue->queue_size - seed_m; 475 476 struct rte_mbuf **mbufs = &queue->reserve_q[seed_m]; 477 int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb); 478 479 if (unlikely(status != 0)) 480 return -1; 481 482 if (ARK_RX_DEBUG) { /* DEBUG */ 483 while (count != nb) { 484 struct rte_mbuf *mbuf_init = 485 queue->reserve_q[seed_m + count]; 486 487 memset(mbuf_init->buf_addr, -1, 512); 488 *((uint32_t *)mbuf_init->buf_addr) = 489 seed_index + count; 490 *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) = 491 queue->phys_qid; 492 count++; 493 } 494 count = 0; 495 } /* DEBUG */ 496 queue->seed_index += nb; 497 498 /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */ 499 switch (nb % 4) { 500 case 0: 501 while (count != nb) { 502 queue->paddress_q[seed_m++] = 503 (*mbufs++)->buf_physaddr; 504 count++; 505 /* FALLTHROUGH */ 506 case 3: 507 queue->paddress_q[seed_m++] = 508 (*mbufs++)->buf_physaddr; 509 count++; 510 /* FALLTHROUGH */ 511 case 2: 512 queue->paddress_q[seed_m++] = 513 (*mbufs++)->buf_physaddr; 514 count++; 515 /* FALLTHROUGH */ 516 case 1: 517 queue->paddress_q[seed_m++] = 518 (*mbufs++)->buf_physaddr; 519 count++; 520 /* FALLTHROUGH */ 521 522 } /* while (count != nb) */ 523 } /* switch */ 524 525 return 0; 526 } 527 528 void 529 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id, 530 const char *msg) 531 { 532 struct ark_rx_queue *queue; 533 534 queue = dev->data->rx_queues[queue_id]; 535 536 ark_ethdev_rx_dump(msg, queue); 537 } 538 539 /* ************************************************************************* */ 540 /* Call on device closed no user API, queue is stopped */ 541 void 542 eth_ark_dev_rx_queue_release(void *vqueue) 543 { 544 struct ark_rx_queue *queue; 545 uint32_t i; 546 547 queue = (struct ark_rx_queue *)vqueue; 548 if (queue == 0) 549 return; 550 551 ark_udm_queue_enable(queue->udm, 0); 552 /* Stop the MPU since pointer are going away */ 553 ark_mpu_stop(queue->mpu); 554 555 /* Need to clear out mbufs here, dropping packets along the way */ 556 eth_ark_rx_queue_drain(queue); 557 558 for (i = 0; i < queue->queue_size; ++i) 559 rte_pktmbuf_free(queue->reserve_q[i]); 560 561 rte_free(queue->reserve_q); 562 rte_free(queue->paddress_q); 563 rte_free(queue); 564 } 565 566 void 567 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats) 568 { 569 struct ark_rx_queue *queue; 570 struct ark_udm_t *udm; 571 572 queue = vqueue; 573 if (queue == 0) 574 return; 575 udm = queue->udm; 576 577 uint64_t ibytes = ark_udm_bytes(udm); 578 uint64_t ipackets = ark_udm_packets(udm); 579 uint64_t idropped = ark_udm_dropped(queue->udm); 580 581 stats->q_ipackets[queue->queue_index] = ipackets; 582 stats->q_ibytes[queue->queue_index] = ibytes; 583 stats->q_errors[queue->queue_index] = idropped; 584 stats->ipackets += ipackets; 585 stats->ibytes += ibytes; 586 stats->imissed += idropped; 587 } 588 589 void 590 eth_rx_queue_stats_reset(void *vqueue) 591 { 592 struct ark_rx_queue *queue; 593 594 queue = vqueue; 595 if (queue == 0) 596 return; 597 598 ark_mpu_reset_stats(queue->mpu); 599 ark_udm_queue_stats_reset(queue->udm); 600 } 601 602 void 603 eth_ark_udm_force_close(struct rte_eth_dev *dev) 604 { 605 struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private; 606 struct ark_rx_queue *queue; 607 uint32_t index; 608 uint16_t i; 609 610 if (!ark_udm_is_flushed(ark->udm.v)) { 611 /* restart the MPUs */ 612 PMD_DRV_LOG(ERR, "ARK: %s UDM not flushed\n", __func__); 613 for (i = 0; i < dev->data->nb_rx_queues; i++) { 614 queue = (struct ark_rx_queue *)dev->data->rx_queues[i]; 615 if (queue == 0) 616 continue; 617 618 ark_mpu_start(queue->mpu); 619 /* Add some buffers */ 620 index = 100000 + queue->seed_index; 621 ark_mpu_set_producer(queue->mpu, index); 622 } 623 /* Wait to allow data to pass */ 624 usleep(100); 625 626 PMD_DEBUG_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n", 627 ark_udm_is_flushed(ark->udm.v)); 628 } 629 ark_udm_reset(ark->udm.v); 630 } 631 632 static void 633 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue) 634 { 635 if (queue == NULL) 636 return; 637 PMD_DEBUG_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name); 638 PMD_DEBUG_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n", 639 "queue_size", queue->queue_size, 640 "seed_index", queue->seed_index, 641 "prod_index", queue->prod_index, 642 "cons_index", queue->cons_index); 643 644 ark_mpu_dump(queue->mpu, name, queue->phys_qid); 645 ark_mpu_dump_setup(queue->mpu, queue->phys_qid); 646 ark_udm_dump(queue->udm, name); 647 ark_udm_dump_setup(queue->udm, queue->phys_qid); 648 } 649 650 /* Only used in debug. 651 * This function is a raw memory dump of a portion of an mbuf's memory 652 * region. The usual function, rte_pktmbuf_dump() only shows data 653 * with respect to the data_off field. This function show data 654 * anywhere in the mbuf's buffer. This is useful for examining 655 * data in the headroom or tailroom portion of an mbuf. 656 */ 657 static void 658 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi) 659 { 660 uint16_t i, j; 661 662 PMD_DRV_LOG(INFO, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n", mbuf, 663 mbuf->pkt_len, mbuf->data_off, mbuf->seqn); 664 for (i = lo; i < hi; i += 16) { 665 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i); 666 667 PMD_DRV_LOG(INFO, " %6d: ", i); 668 for (j = 0; j < 16; j++) 669 PMD_DRV_LOG(INFO, " %02x", dp[j]); 670 671 PMD_DRV_LOG(INFO, "\n"); 672 } 673 } 674