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                         /* seqn is only set under debug */
 306                         mbuf->seqn = cons_index;
 307                 }
 308
 309                 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN))
 310                         cons_index = eth_ark_rx_jumbo
 311                                 (queue, meta, mbuf, cons_index + 1);
 312                 else
 313                         cons_index += 1;
 314
 315                 rx_pkts[nb] = mbuf;
 316                 nb++;
 317                 if (nb >= nb_pkts)
 318                         break;
 319         }
 320
 321         if (unlikely(nb != 0))
 322                 /* report next free to FPGA */
 323                 eth_ark_rx_update_cons_index(queue, cons_index);
 324
 325         return nb;
 326 }
 327
 328 /* ************************************************************************* */
 329 static uint32_t
 330 eth_ark_rx_jumbo(struct ark_rx_queue *queue,
 331                  struct ark_rx_meta *meta,
 332                  struct rte_mbuf *mbuf0,
 333                  uint32_t cons_index)
 334 {
 335         struct rte_mbuf *mbuf_prev;
 336         struct rte_mbuf *mbuf;
 337
 338         uint16_t remaining;
 339         uint16_t data_len;
 340         uint16_t segments;
 341
 342         /* first buf populated by called */
 343         mbuf_prev = mbuf0;
 344         segments = 1;
 345         data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM);
 346         remaining = meta->pkt_len - data_len;
 347         mbuf0->data_len = data_len;
 348
 349         /* HW guarantees that the data does not exceed prod_index! */
 350         while (remaining != 0) {
 351                 data_len = RTE_MIN(remaining,
 352                                    RTE_MBUF_DEFAULT_DATAROOM +
 353                                    RTE_PKTMBUF_HEADROOM);
 354
 355                 remaining -= data_len;
 356                 segments += 1;
 357
 358                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 359                 mbuf_prev->next = mbuf;
 360                 mbuf_prev = mbuf;
 361                 mbuf->data_len = data_len;
 362                 mbuf->data_off = 0;
 363                 if (ARK_DEBUG_CORE)
 364                         mbuf->seqn = cons_index;        /* for debug only */
 365
 366                 cons_index += 1;
 367         }
 368
 369         mbuf0->nb_segs = segments;
 370         return cons_index;
 371 }
 372
 373 /* Drain the internal queue allowing hw to clear out. */
 374 static void
 375 eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
 376 {
 377         register uint32_t cons_index;
 378         struct rte_mbuf *mbuf;
 379
 380         cons_index = queue->cons_index;
 381
 382         /* NOT performance optimized, since this is a one-shot call */
 383         while ((cons_index ^ queue->prod_index) & queue->queue_mask) {
 384                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 385                 rte_pktmbuf_free(mbuf);
 386                 cons_index++;
 387                 eth_ark_rx_update_cons_index(queue, cons_index);
 388         }
 389 }
 390
 391 uint32_t
 392 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
 393 {
 394         struct ark_rx_queue *queue;
 395
 396         queue = dev->data->rx_queues[queue_id];
 397         return (queue->prod_index - queue->cons_index); /* mod arith */
 398 }
 399
 400 /* ************************************************************************* */
 401 int
 402 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 403 {
 404         struct ark_rx_queue *queue;
 405
 406         queue = dev->data->rx_queues[queue_id];
 407         if (queue == 0)
 408                 return -1;
 409
 410         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 411
 412         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 413         ark_mpu_start(queue->mpu);
 414
 415         ark_udm_queue_enable(queue->udm, 1);
 416
 417         return 0;
 418 }
 419
 420 /* ************************************************************************* */
 421
 422 /* Queue can be restarted.   data remains
 423  */
 424 int
 425 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 426 {
 427         struct ark_rx_queue *queue;
 428
 429         queue = dev->data->rx_queues[queue_id];
 430         if (queue == 0)
 431                 return -1;
 432
 433         ark_udm_queue_enable(queue->udm, 0);
 434
 435         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 436
 437         return 0;
 438 }
 439
 440 /* ************************************************************************* */
 441 static inline int
 442 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue)
 443 {
 444         uint32_t limit = queue->cons_index + queue->queue_size;
 445         uint32_t seed_index = queue->seed_index;
 446
 447         uint32_t count = 0;
 448         uint32_t seed_m = queue->seed_index & queue->queue_mask;
 449
 450         uint32_t nb = limit - seed_index;
 451
 452         /* Handle wrap around -- remainder is filled on the next call */
 453         if (unlikely(seed_m + nb > queue->queue_size))
 454                 nb = queue->queue_size - seed_m;
 455
 456         struct rte_mbuf **mbufs = &queue->reserve_q[seed_m];
 457         int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb);
 458
 459         if (unlikely(status != 0)) {
 460                 /* Try to recover from lack of mbufs in pool */
 461                 status = eth_ark_rx_seed_recovery(queue, &nb, mbufs);
 462                 if (unlikely(status != 0)) {
 463                         return -1;
 464                 }
 465         }
 466
 467         if (ARK_DEBUG_CORE) {           /* DEBUG */
 468                 while (count != nb) {
 469                         struct rte_mbuf *mbuf_init =
 470                                 queue->reserve_q[seed_m + count];
 471
 472                         memset(mbuf_init->buf_addr, -1, 512);
 473                         *((uint32_t *)mbuf_init->buf_addr) =
 474                                 seed_index + count;
 475                         *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) =
 476                                 queue->phys_qid;
 477                         count++;
 478                 }
 479                 count = 0;
 480         } /* DEBUG */
 481         queue->seed_index += nb;
 482
 483         /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */
 484         switch (nb % 4) {
 485         case 0:
 486                 while (count != nb) {
 487                         queue->paddress_q[seed_m++] =
 488                                 (*mbufs++)->buf_iova;
 489                         count++;
 490                 /* FALLTHROUGH */
 491         case 3:
 492                 queue->paddress_q[seed_m++] =
 493                         (*mbufs++)->buf_iova;
 494                 count++;
 495                 /* FALLTHROUGH */
 496         case 2:
 497                 queue->paddress_q[seed_m++] =
 498                         (*mbufs++)->buf_iova;
 499                 count++;
 500                 /* FALLTHROUGH */
 501         case 1:
 502                 queue->paddress_q[seed_m++] =
 503                         (*mbufs++)->buf_iova;
 504                 count++;
 505                 /* FALLTHROUGH */
 506
 507                 } /* while (count != nb) */
 508         } /* switch */
 509
 510         return 0;
 511 }
 512
 513 int
 514 eth_ark_rx_seed_recovery(struct ark_rx_queue *queue,
 515                          uint32_t *pnb,
 516                          struct rte_mbuf **mbufs)
 517 {
 518         int status = -1;
 519
 520         /* Ignore small allocation failures */
 521         if (*pnb <= 64)
 522                 return -1;
 523
 524         *pnb = 64U;
 525         status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, *pnb);
 526         if (status != 0) {
 527                 ARK_PMD_LOG(NOTICE,
 528                             "ARK: Could not allocate %u mbufs from pool for RX queue %u;"
 529                             " %u free buffers remaining in queue\n",
 530                             *pnb, queue->queue_index,
 531                             queue->seed_index - queue->cons_index);
 532         }
 533         return status;
 534 }
 535
 536 void
 537 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id,
 538                       const char *msg)
 539 {
 540         struct ark_rx_queue *queue;
 541
 542         queue = dev->data->rx_queues[queue_id];
 543
 544         ark_ethdev_rx_dump(msg, queue);
 545 }
 546
 547 /* ************************************************************************* */
 548 /* Call on device closed no user API, queue is stopped */
 549 void
 550 eth_ark_dev_rx_queue_release(void *vqueue)
 551 {
 552         struct ark_rx_queue *queue;
 553         uint32_t i;
 554
 555         queue = (struct ark_rx_queue *)vqueue;
 556         if (queue == 0)
 557                 return;
 558
 559         ark_udm_queue_enable(queue->udm, 0);
 560         /* Stop the MPU since pointer are going away */
 561         ark_mpu_stop(queue->mpu);
 562
 563         /* Need to clear out mbufs here, dropping packets along the way */
 564         eth_ark_rx_queue_drain(queue);
 565
 566         for (i = 0; i < queue->queue_size; ++i)
 567                 rte_pktmbuf_free(queue->reserve_q[i]);
 568
 569         rte_free(queue->reserve_q);
 570         rte_free(queue->paddress_q);
 571         rte_free(queue);
 572 }
 573
 574 void
 575 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats)
 576 {
 577         struct ark_rx_queue *queue;
 578         struct ark_udm_t *udm;
 579
 580         queue = vqueue;
 581         if (queue == 0)
 582                 return;
 583         udm = queue->udm;
 584
 585         uint64_t ibytes = ark_udm_bytes(udm);
 586         uint64_t ipackets = ark_udm_packets(udm);
 587         uint64_t idropped = ark_udm_dropped(queue->udm);
 588
 589         stats->q_ipackets[queue->queue_index] = ipackets;
 590         stats->q_ibytes[queue->queue_index] = ibytes;
 591         stats->q_errors[queue->queue_index] = idropped;
 592         stats->ipackets += ipackets;
 593         stats->ibytes += ibytes;
 594         stats->imissed += idropped;
 595 }
 596
 597 void
 598 eth_rx_queue_stats_reset(void *vqueue)
 599 {
 600         struct ark_rx_queue *queue;
 601
 602         queue = vqueue;
 603         if (queue == 0)
 604                 return;
 605
 606         ark_mpu_reset_stats(queue->mpu);
 607         ark_udm_queue_stats_reset(queue->udm);
 608 }
 609
 610 void
 611 eth_ark_udm_force_close(struct rte_eth_dev *dev)
 612 {
 613         struct ark_adapter *ark = dev->data->dev_private;
 614         struct ark_rx_queue *queue;
 615         uint32_t index;
 616         uint16_t i;
 617
 618         if (!ark_udm_is_flushed(ark->udm.v)) {
 619                 /* restart the MPUs */
 620                 ARK_PMD_LOG(NOTICE, "UDM not flushed -- forcing flush\n");
 621                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
 622                         queue = (struct ark_rx_queue *)dev->data->rx_queues[i];
 623                         if (queue == 0)
 624                                 continue;
 625
 626                         ark_mpu_start(queue->mpu);
 627                         /* Add some buffers */
 628                         index = 100000 + queue->seed_index;
 629                         ark_mpu_set_producer(queue->mpu, index);
 630                 }
 631                 /* Wait to allow data to pass */
 632                 usleep(100);
 633
 634                 ARK_PMD_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n",
 635                                 ark_udm_is_flushed(ark->udm.v));
 636         }
 637         ark_udm_reset(ark->udm.v);
 638 }
 639
 640 static void
 641 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue)
 642 {
 643         if (queue == NULL)
 644                 return;
 645         ARK_PMD_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name);
 646         ARK_PMD_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n",
 647                         "queue_size", queue->queue_size,
 648                         "seed_index", queue->seed_index,
 649                         "prod_index", queue->prod_index,
 650                         "cons_index", queue->cons_index);
 651
 652         ark_mpu_dump(queue->mpu, name, queue->phys_qid);
 653         ark_mpu_dump_setup(queue->mpu, queue->phys_qid);
 654         ark_udm_dump(queue->udm, name);
 655         ark_udm_dump_setup(queue->udm, queue->phys_qid);
 656 }
 657
 658 /* Only used in debug.
 659  * This function is a raw memory dump of a portion of an mbuf's memory
 660  * region.  The usual function, rte_pktmbuf_dump() only shows data
 661  * with respect to the data_off field.  This function show data
 662  * anywhere in the mbuf's buffer.  This is useful for examining
 663  * data in the headroom or tailroom portion of an mbuf.
 664  */
 665 static void
 666 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi)
 667 {
 668         uint16_t i, j;
 669
 670         ARK_PMD_LOG(DEBUG, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n",
 671                     mbuf, mbuf->pkt_len, mbuf->data_off, mbuf->seqn);
 672         for (i = lo; i < hi; i += 16) {
 673                 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i);
 674
 675                 ARK_PMD_LOG(DEBUG, "  %6d:  ", i);
 676                 for (j = 0; j < 16; j++)
 677                         ARK_PMD_LOG(DEBUG, " %02x", dp[j]);
 678
 679                 ARK_PMD_LOG(DEBUG, "\n");
 680         }
 681 }