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