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 static int eth_ark_rx_seed_recovery(struct ark_rx_queue *queue,
  29                                     uint32_t *pnb,
  30                                     struct rte_mbuf **mbufs);
  31
  32 /* ************************************************************************* */
  33 struct ark_rx_queue {
  34         /* array of mbufs to populate */
  35         struct rte_mbuf **reserve_q;
  36         /* array of physical addresses of the mbuf data pointer */
  37         /* This point is a virtual address */
  38         rte_iova_t *paddress_q;
  39         struct rte_mempool *mb_pool;
  40
  41         struct ark_udm_t *udm;
  42         struct ark_mpu_t *mpu;
  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 pad1;
  57
  58         /* separate cache line */
  59         /* second cache line - fields only used in slow path */
  60         MARKER cacheline1 __rte_cache_min_aligned;
  61
  62         volatile uint32_t prod_index;   /* step 2 filled by FPGA */
  63 } __rte_cache_aligned;
  64
  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                 PMD_DRV_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         eth_ark_rx_seed_mbufs(queue);
 108         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 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 = (struct ark_adapter *)dev->data->dev_private;
 122
 123         struct ark_rx_queue *queue;
 124         uint32_t i;
 125         int status;
 126
 127         /* Future works: divide the Q's evenly with multi-ports */
 128         int port = dev->data->port_id;
 129         int qidx = port + 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                 PMD_DRV_LOG(INFO,
 140                             "Arkville ignores rte_eth_rxconf argument.\n");
 141         }
 142
 143         if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) {
 144                 PMD_DRV_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                 PMD_DRV_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                 PMD_DRV_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->phys_qid = qidx;
 170         queue->queue_index = queue_idx;
 171         queue->queue_size = nb_desc;
 172         queue->queue_mask = nb_desc - 1;
 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                 PMD_DRV_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                 PMD_DRV_LOG(ERR, "ARK: 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                 PMD_DRV_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         struct rte_mbuf *mbuf;
 250         struct ark_rx_meta *meta;
 251
 252         queue = (struct ark_rx_queue *)rx_queue;
 253         if (unlikely(queue == 0))
 254                 return 0;
 255         if (unlikely(nb_pkts == 0))
 256                 return 0;
 257         prod_index = queue->prod_index;
 258         cons_index = queue->cons_index;
 259         nb = 0;
 260
 261         while (prod_index != cons_index) {
 262                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 263                 /* prefetch mbuf */
 264                 rte_mbuf_prefetch_part1(mbuf);
 265                 rte_mbuf_prefetch_part2(mbuf);
 266
 267                 /* META DATA embedded in headroom */
 268                 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET);
 269
 270                 mbuf->port = meta->port;
 271                 mbuf->pkt_len = meta->pkt_len;
 272                 mbuf->data_len = meta->pkt_len;
 273                 mbuf->timestamp = meta->timestamp;
 274                 mbuf->udata64 = meta->user_data;
 275
 276                 if (ARK_RX_DEBUG) {     /* debug sanity checks */
 277                         if ((meta->pkt_len > (1024 * 16)) ||
 278                             (meta->pkt_len == 0)) {
 279                                 PMD_RX_LOG(DEBUG, "RX: Bad Meta Q: %u"
 280                                            " cons: %" PRIU32
 281                                            " prod: %" PRIU32
 282                                            " seed_index %" PRIU32
 283                                            "\n",
 284                                            queue->phys_qid,
 285                                            cons_index,
 286                                            queue->prod_index,
 287                                            queue->seed_index);
 288
 289
 290                                 PMD_RX_LOG(DEBUG, "       :  UDM"
 291                                            " prod: %" PRIU32
 292                                            " len: %u\n",
 293                                            queue->udm->rt_cfg.prod_idx,
 294                                            meta->pkt_len);
 295                                 ark_mpu_dump(queue->mpu,
 296                                              "    ",
 297                                              queue->phys_qid);
 298                                 dump_mbuf_data(mbuf, 0, 256);
 299                                 /* its FUBAR so fix it */
 300                                 mbuf->pkt_len = 63;
 301                                 meta->pkt_len = 63;
 302                         }
 303                         /* seqn is only set under debug */
 304                         mbuf->seqn = cons_index;
 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                 if (ARK_RX_DEBUG)
 362                         mbuf->seqn = cons_index;        /* for debug only */
 363
 364                 cons_index += 1;
 365         }
 366
 367         mbuf0->nb_segs = segments;
 368         return cons_index;
 369 }
 370
 371 /* Drain the internal queue allowing hw to clear out. */
 372 static void
 373 eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
 374 {
 375         register uint32_t cons_index;
 376         struct rte_mbuf *mbuf;
 377
 378         cons_index = queue->cons_index;
 379
 380         /* NOT performance optimized, since this is a one-shot call */
 381         while ((cons_index ^ queue->prod_index) & queue->queue_mask) {
 382                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 383                 rte_pktmbuf_free(mbuf);
 384                 cons_index++;
 385                 eth_ark_rx_update_cons_index(queue, cons_index);
 386         }
 387 }
 388
 389 uint32_t
 390 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
 391 {
 392         struct ark_rx_queue *queue;
 393
 394         queue = dev->data->rx_queues[queue_id];
 395         return (queue->prod_index - queue->cons_index); /* mod arith */
 396 }
 397
 398 /* ************************************************************************* */
 399 int
 400 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 401 {
 402         struct ark_rx_queue *queue;
 403
 404         queue = dev->data->rx_queues[queue_id];
 405         if (queue == 0)
 406                 return -1;
 407
 408         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 409
 410         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 411         ark_mpu_start(queue->mpu);
 412
 413         ark_udm_queue_enable(queue->udm, 1);
 414
 415         return 0;
 416 }
 417
 418 /* ************************************************************************* */
 419
 420 /* Queue can be restarted.   data remains
 421  */
 422 int
 423 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 424 {
 425         struct ark_rx_queue *queue;
 426
 427         queue = dev->data->rx_queues[queue_id];
 428         if (queue == 0)
 429                 return -1;
 430
 431         ark_udm_queue_enable(queue->udm, 0);
 432
 433         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 434
 435         return 0;
 436 }
 437
 438 /* ************************************************************************* */
 439 static inline int
 440 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue)
 441 {
 442         uint32_t limit = queue->cons_index + queue->queue_size;
 443         uint32_t seed_index = queue->seed_index;
 444
 445         uint32_t count = 0;
 446         uint32_t seed_m = queue->seed_index & queue->queue_mask;
 447
 448         uint32_t nb = limit - seed_index;
 449
 450         /* Handle wrap around -- remainder is filled on the next call */
 451         if (unlikely(seed_m + nb > queue->queue_size))
 452                 nb = queue->queue_size - seed_m;
 453
 454         struct rte_mbuf **mbufs = &queue->reserve_q[seed_m];
 455         int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb);
 456
 457         if (unlikely(status != 0)) {
 458                 /* Try to recover from lack of mbufs in pool */
 459                 status = eth_ark_rx_seed_recovery(queue, &nb, mbufs);
 460                 if (unlikely(status != 0)) {
 461                         return -1;
 462                 }
 463         }
 464
 465         if (ARK_RX_DEBUG) {             /* DEBUG */
 466                 while (count != nb) {
 467                         struct rte_mbuf *mbuf_init =
 468                                 queue->reserve_q[seed_m + count];
 469
 470                         memset(mbuf_init->buf_addr, -1, 512);
 471                         *((uint32_t *)mbuf_init->buf_addr) =
 472                                 seed_index + count;
 473                         *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) =
 474                                 queue->phys_qid;
 475                         count++;
 476                 }
 477                 count = 0;
 478         } /* DEBUG */
 479         queue->seed_index += nb;
 480
 481         /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */
 482         switch (nb % 4) {
 483         case 0:
 484                 while (count != nb) {
 485                         queue->paddress_q[seed_m++] =
 486                                 (*mbufs++)->buf_iova;
 487                         count++;
 488                 /* FALLTHROUGH */
 489         case 3:
 490                 queue->paddress_q[seed_m++] =
 491                         (*mbufs++)->buf_iova;
 492                 count++;
 493                 /* FALLTHROUGH */
 494         case 2:
 495                 queue->paddress_q[seed_m++] =
 496                         (*mbufs++)->buf_iova;
 497                 count++;
 498                 /* FALLTHROUGH */
 499         case 1:
 500                 queue->paddress_q[seed_m++] =
 501                         (*mbufs++)->buf_iova;
 502                 count++;
 503                 /* FALLTHROUGH */
 504
 505                 } /* while (count != nb) */
 506         } /* switch */
 507
 508         return 0;
 509 }
 510
 511 int
 512 eth_ark_rx_seed_recovery(struct ark_rx_queue *queue,
 513                          uint32_t *pnb,
 514                          struct rte_mbuf **mbufs)
 515 {
 516         int status = -1;
 517
 518         /* Ignore small allocation failures */
 519         if (*pnb <= 64)
 520                 return -1;
 521
 522         *pnb = 64U;
 523         status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, *pnb);
 524         if (status != 0) {
 525                 PMD_DRV_LOG(ERR,
 526                             "ARK: Could not allocate %u mbufs from pool for RX queue %u;"
 527                             " %u free buffers remaining in queue\n",
 528                             *pnb, queue->queue_index,
 529                             queue->seed_index - queue->cons_index);
 530         }
 531         return status;
 532 }
 533
 534 void
 535 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id,
 536                       const char *msg)
 537 {
 538         struct ark_rx_queue *queue;
 539
 540         queue = dev->data->rx_queues[queue_id];
 541
 542         ark_ethdev_rx_dump(msg, queue);
 543 }
 544
 545 /* ************************************************************************* */
 546 /* Call on device closed no user API, queue is stopped */
 547 void
 548 eth_ark_dev_rx_queue_release(void *vqueue)
 549 {
 550         struct ark_rx_queue *queue;
 551         uint32_t i;
 552
 553         queue = (struct ark_rx_queue *)vqueue;
 554         if (queue == 0)
 555                 return;
 556
 557         ark_udm_queue_enable(queue->udm, 0);
 558         /* Stop the MPU since pointer are going away */
 559         ark_mpu_stop(queue->mpu);
 560
 561         /* Need to clear out mbufs here, dropping packets along the way */
 562         eth_ark_rx_queue_drain(queue);
 563
 564         for (i = 0; i < queue->queue_size; ++i)
 565                 rte_pktmbuf_free(queue->reserve_q[i]);
 566
 567         rte_free(queue->reserve_q);
 568         rte_free(queue->paddress_q);
 569         rte_free(queue);
 570 }
 571
 572 void
 573 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats)
 574 {
 575         struct ark_rx_queue *queue;
 576         struct ark_udm_t *udm;
 577
 578         queue = vqueue;
 579         if (queue == 0)
 580                 return;
 581         udm = queue->udm;
 582
 583         uint64_t ibytes = ark_udm_bytes(udm);
 584         uint64_t ipackets = ark_udm_packets(udm);
 585         uint64_t idropped = ark_udm_dropped(queue->udm);
 586
 587         stats->q_ipackets[queue->queue_index] = ipackets;
 588         stats->q_ibytes[queue->queue_index] = ibytes;
 589         stats->q_errors[queue->queue_index] = idropped;
 590         stats->ipackets += ipackets;
 591         stats->ibytes += ibytes;
 592         stats->imissed += idropped;
 593 }
 594
 595 void
 596 eth_rx_queue_stats_reset(void *vqueue)
 597 {
 598         struct ark_rx_queue *queue;
 599
 600         queue = vqueue;
 601         if (queue == 0)
 602                 return;
 603
 604         ark_mpu_reset_stats(queue->mpu);
 605         ark_udm_queue_stats_reset(queue->udm);
 606 }
 607
 608 void
 609 eth_ark_udm_force_close(struct rte_eth_dev *dev)
 610 {
 611         struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private;
 612         struct ark_rx_queue *queue;
 613         uint32_t index;
 614         uint16_t i;
 615
 616         if (!ark_udm_is_flushed(ark->udm.v)) {
 617                 /* restart the MPUs */
 618                 PMD_DRV_LOG(ERR, "ARK: %s UDM not flushed\n", __func__);
 619                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
 620                         queue = (struct ark_rx_queue *)dev->data->rx_queues[i];
 621                         if (queue == 0)
 622                                 continue;
 623
 624                         ark_mpu_start(queue->mpu);
 625                         /* Add some buffers */
 626                         index = 100000 + queue->seed_index;
 627                         ark_mpu_set_producer(queue->mpu, index);
 628                 }
 629                 /* Wait to allow data to pass */
 630                 usleep(100);
 631
 632                 PMD_DEBUG_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n",
 633                                 ark_udm_is_flushed(ark->udm.v));
 634         }
 635         ark_udm_reset(ark->udm.v);
 636 }
 637
 638 static void
 639 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue)
 640 {
 641         if (queue == NULL)
 642                 return;
 643         PMD_DEBUG_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name);
 644         PMD_DEBUG_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n",
 645                         "queue_size", queue->queue_size,
 646                         "seed_index", queue->seed_index,
 647                         "prod_index", queue->prod_index,
 648                         "cons_index", queue->cons_index);
 649
 650         ark_mpu_dump(queue->mpu, name, queue->phys_qid);
 651         ark_mpu_dump_setup(queue->mpu, queue->phys_qid);
 652         ark_udm_dump(queue->udm, name);
 653         ark_udm_dump_setup(queue->udm, queue->phys_qid);
 654 }
 655
 656 /* Only used in debug.
 657  * This function is a raw memory dump of a portion of an mbuf's memory
 658  * region.  The usual function, rte_pktmbuf_dump() only shows data
 659  * with respect to the data_off field.  This function show data
 660  * anywhere in the mbuf's buffer.  This is useful for examining
 661  * data in the headroom or tailroom portion of an mbuf.
 662  */
 663 static void
 664 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi)
 665 {
 666         uint16_t i, j;
 667
 668         PMD_DRV_LOG(INFO, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n", mbuf,
 669                 mbuf->pkt_len, mbuf->data_off, mbuf->seqn);
 670         for (i = lo; i < hi; i += 16) {
 671                 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i);
 672
 673                 PMD_DRV_LOG(INFO, "  %6d:  ", i);
 674                 for (j = 0; j < 16; j++)
 675                         PMD_DRV_LOG(INFO, " %02x", dp[j]);
 676
 677                 PMD_DRV_LOG(INFO, "\n");
 678         }
 679 }