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 #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
  29 /* ************************************************************************* */
  30 struct ark_rx_queue {
  31         /* array of mbufs to populate */
  32         struct rte_mbuf **reserve_q;
  33         /* array of physical addresses of the mbuf data pointer */
  34         /* This point is a virtual address */
  35         rte_iova_t *paddress_q;
  36         struct rte_mempool *mb_pool;
  37
  38         struct ark_udm_t *udm;
  39         struct ark_mpu_t *mpu;
  40
  41         rx_user_meta_hook_fn rx_user_meta_hook;
  42         void *ext_user_data;
  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 unused;
  57
  58         /* next cache line - fields written by device */
  59         RTE_MARKER cacheline1 __rte_cache_min_aligned;
  60
  61         volatile uint32_t prod_index;   /* step 2 filled by FPGA */
  62 } __rte_cache_aligned;
  63
  64 /* ************************************************************************* */
  65 static int
  66 eth_ark_rx_hw_setup(struct rte_eth_dev *dev,
  67                     struct ark_rx_queue *queue,
  68                     uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx)
  69 {
  70         rte_iova_t queue_base;
  71         rte_iova_t phys_addr_q_base;
  72         rte_iova_t phys_addr_prod_index;
  73
  74         queue_base = rte_malloc_virt2iova(queue);
  75         phys_addr_prod_index = queue_base +
  76                 offsetof(struct ark_rx_queue, prod_index);
  77
  78         phys_addr_q_base = rte_malloc_virt2iova(queue->paddress_q);
  79
  80         /* Verify HW */
  81         if (ark_mpu_verify(queue->mpu, sizeof(rte_iova_t))) {
  82                 ARK_PMD_LOG(ERR, "Illegal configuration rx queue\n");
  83                 return -1;
  84         }
  85
  86         /* Stop and Reset and configure MPU */
  87         ark_mpu_configure(queue->mpu, phys_addr_q_base, queue->queue_size, 0);
  88
  89         ark_udm_write_addr(queue->udm, phys_addr_prod_index);
  90
  91         /* advance the valid pointer, but don't start until the queue starts */
  92         ark_mpu_reset_stats(queue->mpu);
  93
  94         /* The seed is the producer index for the HW */
  95         ark_mpu_set_producer(queue->mpu, queue->seed_index);
  96         dev->data->rx_queue_state[rx_queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
  97
  98         return 0;
  99 }
 100
 101 static inline void
 102 eth_ark_rx_update_cons_index(struct ark_rx_queue *queue, uint32_t cons_index)
 103 {
 104         queue->cons_index = cons_index;
 105         if ((cons_index + queue->queue_size - queue->seed_index) >= 64U) {
 106                 eth_ark_rx_seed_mbufs(queue);
 107                 ark_mpu_set_producer(queue->mpu, queue->seed_index);
 108         }
 109 }
 110
 111 /* ************************************************************************* */
 112 int
 113 eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
 114                            uint16_t queue_idx,
 115                            uint16_t nb_desc,
 116                            unsigned int socket_id,
 117                            const struct rte_eth_rxconf *rx_conf,
 118                            struct rte_mempool *mb_pool)
 119 {
 120         static int warning1;            /* = 0 */
 121         struct ark_adapter *ark = dev->data->dev_private;
 122
 123         struct ark_rx_queue *queue;
 124         uint32_t i;
 125         int status;
 126
 127         int qidx = queue_idx;
 128
 129         /* We may already be setup, free memory prior to re-allocation */
 130         if (dev->data->rx_queues[queue_idx] != NULL) {
 131                 eth_ark_dev_rx_queue_release(dev->data->rx_queues[queue_idx]);
 132                 dev->data->rx_queues[queue_idx] = NULL;
 133         }
 134
 135         if (rx_conf != NULL && warning1 == 0) {
 136                 warning1 = 1;
 137                 ARK_PMD_LOG(NOTICE,
 138                             "Arkville ignores rte_eth_rxconf argument.\n");
 139         }
 140
 141         if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) {
 142                 ARK_PMD_LOG(ERR,
 143                             "Error: DPDK Arkville requires head room > %d bytes (%s)\n",
 144                             ARK_RX_META_SIZE, __func__);
 145                 return -1;              /* ERROR CODE */
 146         }
 147
 148         if (!rte_is_power_of_2(nb_desc)) {
 149                 ARK_PMD_LOG(ERR,
 150                             "DPDK Arkville configuration queue size must be power of two %u (%s)\n",
 151                             nb_desc, __func__);
 152                 return -1;              /* ERROR CODE */
 153         }
 154
 155         /* Allocate queue struct */
 156         queue = rte_zmalloc_socket("Ark_rxqueue",
 157                                    sizeof(struct ark_rx_queue),
 158                                    64,
 159                                    socket_id);
 160         if (queue == 0) {
 161                 ARK_PMD_LOG(ERR, "Failed to allocate memory in %s\n", __func__);
 162                 return -ENOMEM;
 163         }
 164
 165         /* NOTE zmalloc is used, no need to 0 indexes, etc. */
 166         queue->mb_pool = mb_pool;
 167         queue->phys_qid = qidx;
 168         queue->queue_index = queue_idx;
 169         queue->queue_size = nb_desc;
 170         queue->queue_mask = nb_desc - 1;
 171         queue->rx_user_meta_hook = ark->user_ext.rx_user_meta_hook;
 172         queue->ext_user_data = ark->user_data[dev->data->port_id];
 173
 174         queue->reserve_q =
 175                 rte_zmalloc_socket("Ark_rx_queue mbuf",
 176                                    nb_desc * sizeof(struct rte_mbuf *),
 177                                    64,
 178                                    socket_id);
 179         queue->paddress_q =
 180                 rte_zmalloc_socket("Ark_rx_queue paddr",
 181                                    nb_desc * sizeof(rte_iova_t),
 182                                    64,
 183                                    socket_id);
 184
 185         if (queue->reserve_q == 0 || queue->paddress_q == 0) {
 186                 ARK_PMD_LOG(ERR,
 187                             "Failed to allocate queue memory in %s\n",
 188                             __func__);
 189                 rte_free(queue->reserve_q);
 190                 rte_free(queue->paddress_q);
 191                 rte_free(queue);
 192                 return -ENOMEM;
 193         }
 194
 195         dev->data->rx_queues[queue_idx] = queue;
 196         queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET);
 197         queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET);
 198
 199         /* populate mbuf reserve */
 200         status = eth_ark_rx_seed_mbufs(queue);
 201
 202         if (queue->seed_index != nb_desc) {
 203                 ARK_PMD_LOG(ERR, "Failed to allocate %u mbufs for RX queue %d\n",
 204                             nb_desc, qidx);
 205                 status = -1;
 206         }
 207         /* MPU Setup */
 208         if (status == 0)
 209                 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx);
 210
 211         if (unlikely(status != 0)) {
 212                 struct rte_mbuf **mbuf;
 213
 214                 ARK_PMD_LOG(ERR, "Failed to initialize RX queue %d %s\n",
 215                             qidx,
 216                             __func__);
 217                 /* Free the mbufs allocated */
 218                 for (i = 0, mbuf = queue->reserve_q;
 219                      i < queue->seed_index; ++i, mbuf++) {
 220                         rte_pktmbuf_free(*mbuf);
 221                 }
 222                 rte_free(queue->reserve_q);
 223                 rte_free(queue->paddress_q);
 224                 rte_free(queue);
 225                 return -1;              /* ERROR CODE */
 226         }
 227
 228         return 0;
 229 }
 230
 231 /* ************************************************************************* */
 232 uint16_t
 233 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused,
 234                        struct rte_mbuf **rx_pkts __rte_unused,
 235                        uint16_t nb_pkts __rte_unused)
 236 {
 237         return 0;
 238 }
 239
 240 /* ************************************************************************* */
 241 uint16_t
 242 eth_ark_recv_pkts(void *rx_queue,
 243                   struct rte_mbuf **rx_pkts,
 244                   uint16_t nb_pkts)
 245 {
 246         struct ark_rx_queue *queue;
 247         register uint32_t cons_index, prod_index;
 248         uint16_t nb;
 249         uint16_t i;
 250         struct rte_mbuf *mbuf;
 251         struct rte_mbuf **pmbuf;
 252         struct ark_rx_meta *meta;
 253         rx_user_meta_hook_fn rx_user_meta_hook;
 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         if (prod_index == cons_index)
 263                 return 0;
 264         nb = 0;
 265
 266         while (prod_index != cons_index) {
 267                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 268                 /* prefetch mbuf */
 269                 rte_mbuf_prefetch_part1(mbuf);
 270                 rte_mbuf_prefetch_part2(mbuf);
 271
 272                 /* META DATA embedded in headroom */
 273                 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET);
 274
 275                 mbuf->pkt_len = meta->pkt_len;
 276                 mbuf->data_len = meta->pkt_len;
 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         rx_user_meta_hook = queue->rx_user_meta_hook;
 320         for (pmbuf = rx_pkts, i = 0; rx_user_meta_hook && i < nb; i++) {
 321                 mbuf = *pmbuf++;
 322                 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET);
 323                 rx_user_meta_hook(mbuf, meta->user_meta, queue->ext_user_data);
 324         }
 325
 326         eth_ark_rx_update_cons_index(queue, cons_index);
 327
 328         return nb;
 329 }
 330
 331 /* ************************************************************************* */
 332 static uint32_t
 333 eth_ark_rx_jumbo(struct ark_rx_queue *queue,
 334                  struct ark_rx_meta *meta,
 335                  struct rte_mbuf *mbuf0,
 336                  uint32_t cons_index)
 337 {
 338         struct rte_mbuf *mbuf_prev;
 339         struct rte_mbuf *mbuf;
 340
 341         uint16_t remaining;
 342         uint16_t data_len;
 343         uint16_t segments;
 344
 345         /* first buf populated by called */
 346         mbuf_prev = mbuf0;
 347         segments = 1;
 348         data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM);
 349         remaining = meta->pkt_len - data_len;
 350         mbuf0->data_len = data_len;
 351
 352         /* HW guarantees that the data does not exceed prod_index! */
 353         while (remaining != 0) {
 354                 data_len = RTE_MIN(remaining,
 355                                    RTE_MBUF_DEFAULT_DATAROOM);
 356
 357                 remaining -= data_len;
 358                 segments += 1;
 359
 360                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 361                 mbuf_prev->next = mbuf;
 362                 mbuf_prev = mbuf;
 363                 mbuf->data_len = data_len;
 364
 365                 cons_index += 1;
 366         }
 367
 368         mbuf0->nb_segs = segments;
 369         return cons_index;
 370 }
 371
 372 /* Drain the internal queue allowing hw to clear out. */
 373 static void
 374 eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
 375 {
 376         register uint32_t cons_index;
 377         struct rte_mbuf *mbuf;
 378
 379         cons_index = queue->cons_index;
 380
 381         /* NOT performance optimized, since this is a one-shot call */
 382         while ((cons_index ^ queue->prod_index) & queue->queue_mask) {
 383                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 384                 rte_pktmbuf_free(mbuf);
 385                 cons_index++;
 386                 eth_ark_rx_update_cons_index(queue, cons_index);
 387         }
 388 }
 389
 390 uint32_t
 391 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
 392 {
 393         struct ark_rx_queue *queue;
 394
 395         queue = dev->data->rx_queues[queue_id];
 396         return (queue->prod_index - queue->cons_index); /* mod arith */
 397 }
 398
 399 /* ************************************************************************* */
 400 int
 401 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 402 {
 403         struct ark_rx_queue *queue;
 404
 405         queue = dev->data->rx_queues[queue_id];
 406         if (queue == 0)
 407                 return -1;
 408
 409         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 410
 411         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 412         ark_mpu_start(queue->mpu);
 413
 414         ark_udm_queue_enable(queue->udm, 1);
 415
 416         return 0;
 417 }
 418
 419 /* ************************************************************************* */
 420
 421 /* Queue can be restarted.   data remains
 422  */
 423 int
 424 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 425 {
 426         struct ark_rx_queue *queue;
 427
 428         queue = dev->data->rx_queues[queue_id];
 429         if (queue == 0)
 430                 return -1;
 431
 432         ark_udm_queue_enable(queue->udm, 0);
 433
 434         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 435
 436         return 0;
 437 }
 438
 439 /* ************************************************************************* */
 440 static inline int
 441 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue)
 442 {
 443         uint32_t limit = queue->cons_index + queue->queue_size;
 444         uint32_t seed_index = queue->seed_index;
 445
 446         uint32_t count = 0;
 447         uint32_t seed_m = queue->seed_index & queue->queue_mask;
 448
 449         uint32_t nb = limit - seed_index;
 450
 451         /* Handle wrap around -- remainder is filled on the next call */
 452         if (unlikely(seed_m + nb > queue->queue_size))
 453                 nb = queue->queue_size - seed_m;
 454
 455         struct rte_mbuf **mbufs = &queue->reserve_q[seed_m];
 456         int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb);
 457
 458         if (unlikely(status != 0)) {
 459                 ARK_PMD_LOG(NOTICE,
 460                             "Could not allocate %u mbufs from pool"
 461                             " for RX queue %u;"
 462                             " %u free buffers remaining in queue\n",
 463                             nb, queue->queue_index,
 464                             queue->seed_index - queue->cons_index);
 465                 return -1;
 466         }
 467
 468         if (ARK_DEBUG_CORE) {           /* 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 void
 515 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id,
 516                       const char *msg)
 517 {
 518         struct ark_rx_queue *queue;
 519
 520         queue = dev->data->rx_queues[queue_id];
 521
 522         ark_ethdev_rx_dump(msg, queue);
 523 }
 524
 525 /* ************************************************************************* */
 526 /* Call on device closed no user API, queue is stopped */
 527 void
 528 eth_ark_dev_rx_queue_release(void *vqueue)
 529 {
 530         struct ark_rx_queue *queue;
 531         uint32_t i;
 532
 533         queue = (struct ark_rx_queue *)vqueue;
 534         if (queue == 0)
 535                 return;
 536
 537         ark_udm_queue_enable(queue->udm, 0);
 538         /* Stop the MPU since pointer are going away */
 539         ark_mpu_stop(queue->mpu);
 540
 541         /* Need to clear out mbufs here, dropping packets along the way */
 542         eth_ark_rx_queue_drain(queue);
 543
 544         for (i = 0; i < queue->queue_size; ++i)
 545                 rte_pktmbuf_free(queue->reserve_q[i]);
 546
 547         rte_free(queue->reserve_q);
 548         rte_free(queue->paddress_q);
 549         rte_free(queue);
 550 }
 551
 552 void
 553 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats)
 554 {
 555         struct ark_rx_queue *queue;
 556         struct ark_udm_t *udm;
 557
 558         queue = vqueue;
 559         if (queue == 0)
 560                 return;
 561         udm = queue->udm;
 562
 563         uint64_t ibytes = ark_udm_bytes(udm);
 564         uint64_t ipackets = ark_udm_packets(udm);
 565         uint64_t idropped = ark_udm_dropped(queue->udm);
 566
 567         stats->q_ipackets[queue->queue_index] = ipackets;
 568         stats->q_ibytes[queue->queue_index] = ibytes;
 569         stats->q_errors[queue->queue_index] = idropped;
 570         stats->ipackets += ipackets;
 571         stats->ibytes += ibytes;
 572         stats->imissed += idropped;
 573 }
 574
 575 void
 576 eth_rx_queue_stats_reset(void *vqueue)
 577 {
 578         struct ark_rx_queue *queue;
 579
 580         queue = vqueue;
 581         if (queue == 0)
 582                 return;
 583
 584         ark_mpu_reset_stats(queue->mpu);
 585         ark_udm_queue_stats_reset(queue->udm);
 586 }
 587
 588 void
 589 eth_ark_udm_force_close(struct rte_eth_dev *dev)
 590 {
 591         struct ark_adapter *ark = dev->data->dev_private;
 592         struct ark_rx_queue *queue;
 593         uint32_t index;
 594         uint16_t i;
 595
 596         if (!ark_udm_is_flushed(ark->udm.v)) {
 597                 /* restart the MPUs */
 598                 ARK_PMD_LOG(NOTICE, "UDM not flushed -- forcing flush\n");
 599                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
 600                         queue = (struct ark_rx_queue *)dev->data->rx_queues[i];
 601                         if (queue == 0)
 602                                 continue;
 603
 604                         ark_mpu_start(queue->mpu);
 605                         /* Add some buffers */
 606                         index = 100000 + queue->seed_index;
 607                         ark_mpu_set_producer(queue->mpu, index);
 608                 }
 609                 /* Wait to allow data to pass */
 610                 usleep(100);
 611
 612                 ARK_PMD_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n",
 613                                 ark_udm_is_flushed(ark->udm.v));
 614         }
 615         ark_udm_reset(ark->udm.v);
 616 }
 617
 618 static void
 619 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue)
 620 {
 621         if (queue == NULL)
 622                 return;
 623         ARK_PMD_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name);
 624         ARK_PMD_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n",
 625                         "queue_size", queue->queue_size,
 626                         "seed_index", queue->seed_index,
 627                         "prod_index", queue->prod_index,
 628                         "cons_index", queue->cons_index);
 629
 630         ark_mpu_dump(queue->mpu, name, queue->phys_qid);
 631         ark_mpu_dump_setup(queue->mpu, queue->phys_qid);
 632         ark_udm_dump(queue->udm, name);
 633         ark_udm_dump_setup(queue->udm, queue->phys_qid);
 634 }
 635
 636 /* Only used in debug.
 637  * This function is a raw memory dump of a portion of an mbuf's memory
 638  * region.  The usual function, rte_pktmbuf_dump() only shows data
 639  * with respect to the data_off field.  This function show data
 640  * anywhere in the mbuf's buffer.  This is useful for examining
 641  * data in the headroom or tailroom portion of an mbuf.
 642  */
 643 static void
 644 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi)
 645 {
 646         uint16_t i, j;
 647
 648         ARK_PMD_LOG(DEBUG, " MBUF: %p len %d, off: %d\n",
 649                     mbuf, mbuf->pkt_len, mbuf->data_off);
 650         for (i = lo; i < hi; i += 16) {
 651                 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i);
 652
 653                 ARK_PMD_LOG(DEBUG, "  %6d:  ", i);
 654                 for (j = 0; j < 16; j++)
 655                         ARK_PMD_LOG(DEBUG, " %02x", dp[j]);
 656
 657                 ARK_PMD_LOG(DEBUG, "\n");
 658         }
 659 }