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
  30 /* ************************************************************************* */
  31 struct ark_rx_queue {
  32         /* array of mbufs to populate */
  33         struct rte_mbuf **reserve_q;
  34         /* array of physical addresses of the mbuf data pointer */
  35         /* This point is a virtual address */
  36         rte_iova_t *paddress_q;
  37         struct rte_mempool *mb_pool;
  38
  39         struct ark_udm_t *udm;
  40         struct ark_mpu_t *mpu;
  41
  42         uint32_t queue_size;
  43         uint32_t queue_mask;
  44
  45         uint32_t seed_index;            /* step 1 set with empty mbuf */
  46         uint32_t cons_index;            /* step 3 consumed by driver */
  47
  48         /* The queue Id is used to identify the HW Q */
  49         uint16_t phys_qid;
  50
  51         /* The queue Index is used within the dpdk device structures */
  52         uint16_t queue_index;
  53
  54         uint32_t unused;
  55
  56         /* separate cache line */
  57         /* second cache line - fields only used in slow path */
  58         RTE_MARKER cacheline1 __rte_cache_min_aligned;
  59
  60         volatile uint32_t prod_index;   /* step 2 filled by FPGA */
  61 } __rte_cache_aligned;
  62
  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
 172         queue->reserve_q =
 173                 rte_zmalloc_socket("Ark_rx_queue mbuf",
 174                                    nb_desc * sizeof(struct rte_mbuf *),
 175                                    64,
 176                                    socket_id);
 177         queue->paddress_q =
 178                 rte_zmalloc_socket("Ark_rx_queue paddr",
 179                                    nb_desc * sizeof(rte_iova_t),
 180                                    64,
 181                                    socket_id);
 182
 183         if (queue->reserve_q == 0 || queue->paddress_q == 0) {
 184                 ARK_PMD_LOG(ERR,
 185                             "Failed to allocate queue memory in %s\n",
 186                             __func__);
 187                 rte_free(queue->reserve_q);
 188                 rte_free(queue->paddress_q);
 189                 rte_free(queue);
 190                 return -ENOMEM;
 191         }
 192
 193         dev->data->rx_queues[queue_idx] = queue;
 194         queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET);
 195         queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET);
 196
 197         /* populate mbuf reserve */
 198         status = eth_ark_rx_seed_mbufs(queue);
 199
 200         if (queue->seed_index != nb_desc) {
 201                 ARK_PMD_LOG(ERR, "Failed to allocate %u mbufs for RX queue %d\n",
 202                             nb_desc, qidx);
 203                 status = -1;
 204         }
 205         /* MPU Setup */
 206         if (status == 0)
 207                 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx);
 208
 209         if (unlikely(status != 0)) {
 210                 struct rte_mbuf **mbuf;
 211
 212                 ARK_PMD_LOG(ERR, "Failed to initialize RX queue %d %s\n",
 213                             qidx,
 214                             __func__);
 215                 /* Free the mbufs allocated */
 216                 for (i = 0, mbuf = queue->reserve_q;
 217                      i < queue->seed_index; ++i, mbuf++) {
 218                         rte_pktmbuf_free(*mbuf);
 219                 }
 220                 rte_free(queue->reserve_q);
 221                 rte_free(queue->paddress_q);
 222                 rte_free(queue);
 223                 return -1;              /* ERROR CODE */
 224         }
 225
 226         return 0;
 227 }
 228
 229 /* ************************************************************************* */
 230 uint16_t
 231 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused,
 232                        struct rte_mbuf **rx_pkts __rte_unused,
 233                        uint16_t nb_pkts __rte_unused)
 234 {
 235         return 0;
 236 }
 237
 238 /* ************************************************************************* */
 239 uint16_t
 240 eth_ark_recv_pkts(void *rx_queue,
 241                   struct rte_mbuf **rx_pkts,
 242                   uint16_t nb_pkts)
 243 {
 244         struct ark_rx_queue *queue;
 245         register uint32_t cons_index, prod_index;
 246         uint16_t nb;
 247         struct rte_mbuf *mbuf;
 248         struct ark_rx_meta *meta;
 249
 250         queue = (struct ark_rx_queue *)rx_queue;
 251         if (unlikely(queue == 0))
 252                 return 0;
 253         if (unlikely(nb_pkts == 0))
 254                 return 0;
 255         prod_index = queue->prod_index;
 256         cons_index = queue->cons_index;
 257         nb = 0;
 258
 259         while (prod_index != cons_index) {
 260                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 261                 /* prefetch mbuf */
 262                 rte_mbuf_prefetch_part1(mbuf);
 263                 rte_mbuf_prefetch_part2(mbuf);
 264
 265                 /* META DATA embedded in headroom */
 266                 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET);
 267
 268                 mbuf->port = meta->port;
 269                 mbuf->pkt_len = meta->pkt_len;
 270                 mbuf->data_len = meta->pkt_len;
 271                 /* set timestamp if enabled at least on one device */
 272                 if (ark_timestamp_rx_dynflag > 0) {
 273                         *RTE_MBUF_DYNFIELD(mbuf, ark_timestamp_dynfield_offset,
 274                                 rte_mbuf_timestamp_t *) = meta->timestamp;
 275                         mbuf->ol_flags |= ark_timestamp_rx_dynflag;
 276                 }
 277                 rte_pmd_ark_mbuf_rx_userdata_set(mbuf, meta->user_data);
 278
 279                 if (ARK_DEBUG_CORE) {   /* debug sanity checks */
 280                         if ((meta->pkt_len > (1024 * 16)) ||
 281                             (meta->pkt_len == 0)) {
 282                                 ARK_PMD_LOG(DEBUG, "RX: Bad Meta Q: %u"
 283                                            " cons: %" PRIU32
 284                                            " prod: %" PRIU32
 285                                            " seed_index %" PRIU32
 286                                            "\n",
 287                                            queue->phys_qid,
 288                                            cons_index,
 289                                            queue->prod_index,
 290                                            queue->seed_index);
 291
 292
 293                                 ARK_PMD_LOG(DEBUG, "       :  UDM"
 294                                            " prod: %" PRIU32
 295                                            " len: %u\n",
 296                                            queue->udm->rt_cfg.prod_idx,
 297                                            meta->pkt_len);
 298                                 ark_mpu_dump(queue->mpu,
 299                                              "    ",
 300                                              queue->phys_qid);
 301                                 dump_mbuf_data(mbuf, 0, 256);
 302                                 /* its FUBAR so fix it */
 303                                 mbuf->pkt_len = 63;
 304                                 meta->pkt_len = 63;
 305                         }
 306                 }
 307
 308                 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN))
 309                         cons_index = eth_ark_rx_jumbo
 310                                 (queue, meta, mbuf, cons_index + 1);
 311                 else
 312                         cons_index += 1;
 313
 314                 rx_pkts[nb] = mbuf;
 315                 nb++;
 316                 if (nb >= nb_pkts)
 317                         break;
 318         }
 319
 320         eth_ark_rx_update_cons_index(queue, cons_index);
 321
 322         return nb;
 323 }
 324
 325 /* ************************************************************************* */
 326 static uint32_t
 327 eth_ark_rx_jumbo(struct ark_rx_queue *queue,
 328                  struct ark_rx_meta *meta,
 329                  struct rte_mbuf *mbuf0,
 330                  uint32_t cons_index)
 331 {
 332         struct rte_mbuf *mbuf_prev;
 333         struct rte_mbuf *mbuf;
 334
 335         uint16_t remaining;
 336         uint16_t data_len;
 337         uint16_t segments;
 338
 339         /* first buf populated by called */
 340         mbuf_prev = mbuf0;
 341         segments = 1;
 342         data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM);
 343         remaining = meta->pkt_len - data_len;
 344         mbuf0->data_len = data_len;
 345
 346         /* HW guarantees that the data does not exceed prod_index! */
 347         while (remaining != 0) {
 348                 data_len = RTE_MIN(remaining,
 349                                    RTE_MBUF_DEFAULT_DATAROOM +
 350                                    RTE_PKTMBUF_HEADROOM);
 351
 352                 remaining -= data_len;
 353                 segments += 1;
 354
 355                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 356                 mbuf_prev->next = mbuf;
 357                 mbuf_prev = mbuf;
 358                 mbuf->data_len = data_len;
 359                 mbuf->data_off = 0;
 360
 361                 cons_index += 1;
 362         }
 363
 364         mbuf0->nb_segs = segments;
 365         return cons_index;
 366 }
 367
 368 /* Drain the internal queue allowing hw to clear out. */
 369 static void
 370 eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
 371 {
 372         register uint32_t cons_index;
 373         struct rte_mbuf *mbuf;
 374
 375         cons_index = queue->cons_index;
 376
 377         /* NOT performance optimized, since this is a one-shot call */
 378         while ((cons_index ^ queue->prod_index) & queue->queue_mask) {
 379                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 380                 rte_pktmbuf_free(mbuf);
 381                 cons_index++;
 382                 eth_ark_rx_update_cons_index(queue, cons_index);
 383         }
 384 }
 385
 386 uint32_t
 387 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
 388 {
 389         struct ark_rx_queue *queue;
 390
 391         queue = dev->data->rx_queues[queue_id];
 392         return (queue->prod_index - queue->cons_index); /* mod arith */
 393 }
 394
 395 /* ************************************************************************* */
 396 int
 397 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 398 {
 399         struct ark_rx_queue *queue;
 400
 401         queue = dev->data->rx_queues[queue_id];
 402         if (queue == 0)
 403                 return -1;
 404
 405         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 406
 407         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 408         ark_mpu_start(queue->mpu);
 409
 410         ark_udm_queue_enable(queue->udm, 1);
 411
 412         return 0;
 413 }
 414
 415 /* ************************************************************************* */
 416
 417 /* Queue can be restarted.   data remains
 418  */
 419 int
 420 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 421 {
 422         struct ark_rx_queue *queue;
 423
 424         queue = dev->data->rx_queues[queue_id];
 425         if (queue == 0)
 426                 return -1;
 427
 428         ark_udm_queue_enable(queue->udm, 0);
 429
 430         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 431
 432         return 0;
 433 }
 434
 435 /* ************************************************************************* */
 436 static inline int
 437 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue)
 438 {
 439         uint32_t limit = queue->cons_index + queue->queue_size;
 440         uint32_t seed_index = queue->seed_index;
 441
 442         uint32_t count = 0;
 443         uint32_t seed_m = queue->seed_index & queue->queue_mask;
 444
 445         uint32_t nb = limit - seed_index;
 446
 447         /* Handle wrap around -- remainder is filled on the next call */
 448         if (unlikely(seed_m + nb > queue->queue_size))
 449                 nb = queue->queue_size - seed_m;
 450
 451         struct rte_mbuf **mbufs = &queue->reserve_q[seed_m];
 452         int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb);
 453
 454         if (unlikely(status != 0)) {
 455                 ARK_PMD_LOG(NOTICE,
 456                             "Could not allocate %u mbufs from pool"
 457                             " for RX queue %u;"
 458                             " %u free buffers remaining in queue\n",
 459                             nb, queue->queue_index,
 460                             queue->seed_index - queue->cons_index);
 461                 return -1;
 462         }
 463
 464         if (ARK_DEBUG_CORE) {           /* DEBUG */
 465                 while (count != nb) {
 466                         struct rte_mbuf *mbuf_init =
 467                                 queue->reserve_q[seed_m + count];
 468
 469                         memset(mbuf_init->buf_addr, -1, 512);
 470                         *((uint32_t *)mbuf_init->buf_addr) =
 471                                 seed_index + count;
 472                         *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) =
 473                                 queue->phys_qid;
 474                         count++;
 475                 }
 476                 count = 0;
 477         } /* DEBUG */
 478         queue->seed_index += nb;
 479
 480         /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */
 481         switch (nb % 4) {
 482         case 0:
 483                 while (count != nb) {
 484                         queue->paddress_q[seed_m++] =
 485                                 (*mbufs++)->buf_iova;
 486                         count++;
 487                 /* FALLTHROUGH */
 488         case 3:
 489                 queue->paddress_q[seed_m++] =
 490                         (*mbufs++)->buf_iova;
 491                 count++;
 492                 /* FALLTHROUGH */
 493         case 2:
 494                 queue->paddress_q[seed_m++] =
 495                         (*mbufs++)->buf_iova;
 496                 count++;
 497                 /* FALLTHROUGH */
 498         case 1:
 499                 queue->paddress_q[seed_m++] =
 500                         (*mbufs++)->buf_iova;
 501                 count++;
 502                 /* FALLTHROUGH */
 503
 504                 } /* while (count != nb) */
 505         } /* switch */
 506
 507         return 0;
 508 }
 509
 510 void
 511 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id,
 512                       const char *msg)
 513 {
 514         struct ark_rx_queue *queue;
 515
 516         queue = dev->data->rx_queues[queue_id];
 517
 518         ark_ethdev_rx_dump(msg, queue);
 519 }
 520
 521 /* ************************************************************************* */
 522 /* Call on device closed no user API, queue is stopped */
 523 void
 524 eth_ark_dev_rx_queue_release(void *vqueue)
 525 {
 526         struct ark_rx_queue *queue;
 527         uint32_t i;
 528
 529         queue = (struct ark_rx_queue *)vqueue;
 530         if (queue == 0)
 531                 return;
 532
 533         ark_udm_queue_enable(queue->udm, 0);
 534         /* Stop the MPU since pointer are going away */
 535         ark_mpu_stop(queue->mpu);
 536
 537         /* Need to clear out mbufs here, dropping packets along the way */
 538         eth_ark_rx_queue_drain(queue);
 539
 540         for (i = 0; i < queue->queue_size; ++i)
 541                 rte_pktmbuf_free(queue->reserve_q[i]);
 542
 543         rte_free(queue->reserve_q);
 544         rte_free(queue->paddress_q);
 545         rte_free(queue);
 546 }
 547
 548 void
 549 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats)
 550 {
 551         struct ark_rx_queue *queue;
 552         struct ark_udm_t *udm;
 553
 554         queue = vqueue;
 555         if (queue == 0)
 556                 return;
 557         udm = queue->udm;
 558
 559         uint64_t ibytes = ark_udm_bytes(udm);
 560         uint64_t ipackets = ark_udm_packets(udm);
 561         uint64_t idropped = ark_udm_dropped(queue->udm);
 562
 563         stats->q_ipackets[queue->queue_index] = ipackets;
 564         stats->q_ibytes[queue->queue_index] = ibytes;
 565         stats->q_errors[queue->queue_index] = idropped;
 566         stats->ipackets += ipackets;
 567         stats->ibytes += ibytes;
 568         stats->imissed += idropped;
 569 }
 570
 571 void
 572 eth_rx_queue_stats_reset(void *vqueue)
 573 {
 574         struct ark_rx_queue *queue;
 575
 576         queue = vqueue;
 577         if (queue == 0)
 578                 return;
 579
 580         ark_mpu_reset_stats(queue->mpu);
 581         ark_udm_queue_stats_reset(queue->udm);
 582 }
 583
 584 void
 585 eth_ark_udm_force_close(struct rte_eth_dev *dev)
 586 {
 587         struct ark_adapter *ark = dev->data->dev_private;
 588         struct ark_rx_queue *queue;
 589         uint32_t index;
 590         uint16_t i;
 591
 592         if (!ark_udm_is_flushed(ark->udm.v)) {
 593                 /* restart the MPUs */
 594                 ARK_PMD_LOG(NOTICE, "UDM not flushed -- forcing flush\n");
 595                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
 596                         queue = (struct ark_rx_queue *)dev->data->rx_queues[i];
 597                         if (queue == 0)
 598                                 continue;
 599
 600                         ark_mpu_start(queue->mpu);
 601                         /* Add some buffers */
 602                         index = 100000 + queue->seed_index;
 603                         ark_mpu_set_producer(queue->mpu, index);
 604                 }
 605                 /* Wait to allow data to pass */
 606                 usleep(100);
 607
 608                 ARK_PMD_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n",
 609                                 ark_udm_is_flushed(ark->udm.v));
 610         }
 611         ark_udm_reset(ark->udm.v);
 612 }
 613
 614 static void
 615 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue)
 616 {
 617         if (queue == NULL)
 618                 return;
 619         ARK_PMD_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name);
 620         ARK_PMD_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n",
 621                         "queue_size", queue->queue_size,
 622                         "seed_index", queue->seed_index,
 623                         "prod_index", queue->prod_index,
 624                         "cons_index", queue->cons_index);
 625
 626         ark_mpu_dump(queue->mpu, name, queue->phys_qid);
 627         ark_mpu_dump_setup(queue->mpu, queue->phys_qid);
 628         ark_udm_dump(queue->udm, name);
 629         ark_udm_dump_setup(queue->udm, queue->phys_qid);
 630 }
 631
 632 /* Only used in debug.
 633  * This function is a raw memory dump of a portion of an mbuf's memory
 634  * region.  The usual function, rte_pktmbuf_dump() only shows data
 635  * with respect to the data_off field.  This function show data
 636  * anywhere in the mbuf's buffer.  This is useful for examining
 637  * data in the headroom or tailroom portion of an mbuf.
 638  */
 639 static void
 640 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi)
 641 {
 642         uint16_t i, j;
 643
 644         ARK_PMD_LOG(DEBUG, " MBUF: %p len %d, off: %d\n",
 645                     mbuf, mbuf->pkt_len, mbuf->data_off);
 646         for (i = lo; i < hi; i += 16) {
 647                 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i);
 648
 649                 ARK_PMD_LOG(DEBUG, "  %6d:  ", i);
 650                 for (j = 0; j < 16; j++)
 651                         ARK_PMD_LOG(DEBUG, " %02x", dp[j]);
 652
 653                 ARK_PMD_LOG(DEBUG, "\n");
 654         }
 655 }