drivers/net/ark/ark_ethdev_rx.c

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