drivers/net/ark/ark_ethdev_rx.c

   1 /*-
   2  * BSD LICENSE
   3  *
   4  * Copyright (c) 2015-2017 Atomic Rules LLC
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * * Redistributions of source code must retain the above copyright
  12  * notice, this list of conditions and the following disclaimer.
  13  * * Redistributions in binary form must reproduce the above copyright
  14  * notice, this list of conditions and the following disclaimer in
  15  * the documentation and/or other materials provided with the
  16  * distribution.
  17  * * Neither the name of copyright holder nor the names of its
  18  * contributors may be used to endorse or promote products derived
  19  * from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <unistd.h>
  35
  36 #include "ark_ethdev_rx.h"
  37 #include "ark_global.h"
  38 #include "ark_logs.h"
  39 #include "ark_mpu.h"
  40 #include "ark_udm.h"
  41
  42 #define ARK_RX_META_SIZE 32
  43 #define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE)
  44 #define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM)
  45
  46 /* Forward declarations */
  47 struct ark_rx_queue;
  48 struct ark_rx_meta;
  49
  50 static void dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi);
  51 static void ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue);
  52 static uint32_t eth_ark_rx_jumbo(struct ark_rx_queue *queue,
  53                                  struct ark_rx_meta *meta,
  54                                  struct rte_mbuf *mbuf0,
  55                                  uint32_t cons_index);
  56 static inline int eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue);
  57
  58 /* ************************************************************************* */
  59 struct ark_rx_queue {
  60         /* array of mbufs to populate */
  61         struct rte_mbuf **reserve_q;
  62         /* array of physical addresses of the mbuf data pointer */
  63         /* This point is a virtual address */
  64         rte_iova_t *paddress_q;
  65         struct rte_mempool *mb_pool;
  66
  67         struct ark_udm_t *udm;
  68         struct ark_mpu_t *mpu;
  69
  70         uint32_t queue_size;
  71         uint32_t queue_mask;
  72
  73         uint32_t seed_index;            /* step 1 set with empty mbuf */
  74         uint32_t cons_index;            /* step 3 consumed by driver */
  75
  76         /* The queue Id is used to identify the HW Q */
  77         uint16_t phys_qid;
  78
  79         /* The queue Index is used within the dpdk device structures */
  80         uint16_t queue_index;
  81
  82         uint32_t pad1;
  83
  84         /* separate cache line */
  85         /* second cache line - fields only used in slow path */
  86         MARKER cacheline1 __rte_cache_min_aligned;
  87
  88         volatile uint32_t prod_index;   /* step 2 filled by FPGA */
  89 } __rte_cache_aligned;
  90
  91
  92 /* ************************************************************************* */
  93 static int
  94 eth_ark_rx_hw_setup(struct rte_eth_dev *dev,
  95                     struct ark_rx_queue *queue,
  96                     uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx)
  97 {
  98         rte_iova_t queue_base;
  99         rte_iova_t phys_addr_q_base;
 100         rte_iova_t phys_addr_prod_index;
 101
 102         queue_base = rte_malloc_virt2iova(queue);
 103         phys_addr_prod_index = queue_base +
 104                 offsetof(struct ark_rx_queue, prod_index);
 105
 106         phys_addr_q_base = rte_malloc_virt2iova(queue->paddress_q);
 107
 108         /* Verify HW */
 109         if (ark_mpu_verify(queue->mpu, sizeof(rte_iova_t))) {
 110                 PMD_DRV_LOG(ERR, "Illegal configuration rx queue\n");
 111                 return -1;
 112         }
 113
 114         /* Stop and Reset and configure MPU */
 115         ark_mpu_configure(queue->mpu, phys_addr_q_base, queue->queue_size, 0);
 116
 117         ark_udm_write_addr(queue->udm, phys_addr_prod_index);
 118
 119         /* advance the valid pointer, but don't start until the queue starts */
 120         ark_mpu_reset_stats(queue->mpu);
 121
 122         /* The seed is the producer index for the HW */
 123         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 124         dev->data->rx_queue_state[rx_queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 125
 126         return 0;
 127 }
 128
 129 static inline void
 130 eth_ark_rx_update_cons_index(struct ark_rx_queue *queue, uint32_t cons_index)
 131 {
 132         queue->cons_index = cons_index;
 133         eth_ark_rx_seed_mbufs(queue);
 134         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 135 }
 136
 137 /* ************************************************************************* */
 138 int
 139 eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
 140                            uint16_t queue_idx,
 141                            uint16_t nb_desc,
 142                            unsigned int socket_id,
 143                            const struct rte_eth_rxconf *rx_conf,
 144                            struct rte_mempool *mb_pool)
 145 {
 146         static int warning1;            /* = 0 */
 147         struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private;
 148
 149         struct ark_rx_queue *queue;
 150         uint32_t i;
 151         int status;
 152
 153         /* Future works: divide the Q's evenly with multi-ports */
 154         int port = dev->data->port_id;
 155         int qidx = port + queue_idx;
 156
 157         /* We may already be setup, free memory prior to re-allocation */
 158         if (dev->data->rx_queues[queue_idx] != NULL) {
 159                 eth_ark_dev_rx_queue_release(dev->data->rx_queues[queue_idx]);
 160                 dev->data->rx_queues[queue_idx] = NULL;
 161         }
 162
 163         if (rx_conf != NULL && warning1 == 0) {
 164                 warning1 = 1;
 165                 PMD_DRV_LOG(INFO,
 166                             "Arkville ignores rte_eth_rxconf argument.\n");
 167         }
 168
 169         if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) {
 170                 PMD_DRV_LOG(ERR,
 171                             "Error: DPDK Arkville requires head room > %d bytes (%s)\n",
 172                             ARK_RX_META_SIZE, __func__);
 173                 return -1;              /* ERROR CODE */
 174         }
 175
 176         if (!rte_is_power_of_2(nb_desc)) {
 177                 PMD_DRV_LOG(ERR,
 178                             "DPDK Arkville configuration queue size must be power of two %u (%s)\n",
 179                             nb_desc, __func__);
 180                 return -1;              /* ERROR CODE */
 181         }
 182
 183         /* Allocate queue struct */
 184         queue = rte_zmalloc_socket("Ark_rxqueue",
 185                                    sizeof(struct ark_rx_queue),
 186                                    64,
 187                                    socket_id);
 188         if (queue == 0) {
 189                 PMD_DRV_LOG(ERR, "Failed to allocate memory in %s\n", __func__);
 190                 return -ENOMEM;
 191         }
 192
 193         /* NOTE zmalloc is used, no need to 0 indexes, etc. */
 194         queue->mb_pool = mb_pool;
 195         queue->phys_qid = qidx;
 196         queue->queue_index = queue_idx;
 197         queue->queue_size = nb_desc;
 198         queue->queue_mask = nb_desc - 1;
 199
 200         queue->reserve_q =
 201                 rte_zmalloc_socket("Ark_rx_queue mbuf",
 202                                    nb_desc * sizeof(struct rte_mbuf *),
 203                                    64,
 204                                    socket_id);
 205         queue->paddress_q =
 206                 rte_zmalloc_socket("Ark_rx_queue paddr",
 207                                    nb_desc * sizeof(rte_iova_t),
 208                                    64,
 209                                    socket_id);
 210
 211         if (queue->reserve_q == 0 || queue->paddress_q == 0) {
 212                 PMD_DRV_LOG(ERR,
 213                             "Failed to allocate queue memory in %s\n",
 214                             __func__);
 215                 rte_free(queue->reserve_q);
 216                 rte_free(queue->paddress_q);
 217                 rte_free(queue);
 218                 return -ENOMEM;
 219         }
 220
 221         dev->data->rx_queues[queue_idx] = queue;
 222         queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET);
 223         queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET);
 224
 225         /* populate mbuf reserve */
 226         status = eth_ark_rx_seed_mbufs(queue);
 227
 228         /* MPU Setup */
 229         if (status == 0)
 230                 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx);
 231
 232         if (unlikely(status != 0)) {
 233                 struct rte_mbuf *mbuf;
 234
 235                 PMD_DRV_LOG(ERR, "Failed to initialize RX queue %d %s\n",
 236                             qidx,
 237                             __func__);
 238                 /* Free the mbufs allocated */
 239                 for (i = 0, mbuf = queue->reserve_q[0];
 240                      i < nb_desc; ++i, mbuf++) {
 241                         rte_pktmbuf_free(mbuf);
 242                 }
 243                 rte_free(queue->reserve_q);
 244                 rte_free(queue->paddress_q);
 245                 rte_free(queue);
 246                 return -1;              /* ERROR CODE */
 247         }
 248
 249         return 0;
 250 }
 251
 252 /* ************************************************************************* */
 253 uint16_t
 254 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused,
 255                        struct rte_mbuf **rx_pkts __rte_unused,
 256                        uint16_t nb_pkts __rte_unused)
 257 {
 258         return 0;
 259 }
 260
 261 /* ************************************************************************* */
 262 uint16_t
 263 eth_ark_recv_pkts(void *rx_queue,
 264                   struct rte_mbuf **rx_pkts,
 265                   uint16_t nb_pkts)
 266 {
 267         struct ark_rx_queue *queue;
 268         register uint32_t cons_index, prod_index;
 269         uint16_t nb;
 270         struct rte_mbuf *mbuf;
 271         struct ark_rx_meta *meta;
 272
 273         queue = (struct ark_rx_queue *)rx_queue;
 274         if (unlikely(queue == 0))
 275                 return 0;
 276         if (unlikely(nb_pkts == 0))
 277                 return 0;
 278         prod_index = queue->prod_index;
 279         cons_index = queue->cons_index;
 280         nb = 0;
 281
 282         while (prod_index != cons_index) {
 283                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 284                 /* prefetch mbuf */
 285                 rte_mbuf_prefetch_part1(mbuf);
 286                 rte_mbuf_prefetch_part2(mbuf);
 287
 288                 /* META DATA embedded in headroom */
 289                 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET);
 290
 291                 mbuf->port = meta->port;
 292                 mbuf->pkt_len = meta->pkt_len;
 293                 mbuf->data_len = meta->pkt_len;
 294                 mbuf->timestamp = meta->timestamp;
 295                 mbuf->udata64 = meta->user_data;
 296
 297                 if (ARK_RX_DEBUG) {     /* debug sanity checks */
 298                         if ((meta->pkt_len > (1024 * 16)) ||
 299                             (meta->pkt_len == 0)) {
 300                                 PMD_RX_LOG(DEBUG, "RX: Bad Meta Q: %u"
 301                                            " cons: %" PRIU32
 302                                            " prod: %" PRIU32
 303                                            " seed_index %" PRIU32
 304                                            "\n",
 305                                            queue->phys_qid,
 306                                            cons_index,
 307                                            queue->prod_index,
 308                                            queue->seed_index);
 309
 310
 311                                 PMD_RX_LOG(DEBUG, "       :  UDM"
 312                                            " prod: %" PRIU32
 313                                            " len: %u\n",
 314                                            queue->udm->rt_cfg.prod_idx,
 315                                            meta->pkt_len);
 316                                 ark_mpu_dump(queue->mpu,
 317                                              "    ",
 318                                              queue->phys_qid);
 319                                 dump_mbuf_data(mbuf, 0, 256);
 320                                 /* its FUBAR so fix it */
 321                                 mbuf->pkt_len = 63;
 322                                 meta->pkt_len = 63;
 323                         }
 324                         /* seqn is only set under debug */
 325                         mbuf->seqn = cons_index;
 326                 }
 327
 328                 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN))
 329                         cons_index = eth_ark_rx_jumbo
 330                                 (queue, meta, mbuf, cons_index + 1);
 331                 else
 332                         cons_index += 1;
 333
 334                 rx_pkts[nb] = mbuf;
 335                 nb++;
 336                 if (nb >= nb_pkts)
 337                         break;
 338         }
 339
 340         if (unlikely(nb != 0))
 341                 /* report next free to FPGA */
 342                 eth_ark_rx_update_cons_index(queue, cons_index);
 343
 344         return nb;
 345 }
 346
 347 /* ************************************************************************* */
 348 static uint32_t
 349 eth_ark_rx_jumbo(struct ark_rx_queue *queue,
 350                  struct ark_rx_meta *meta,
 351                  struct rte_mbuf *mbuf0,
 352                  uint32_t cons_index)
 353 {
 354         struct rte_mbuf *mbuf_prev;
 355         struct rte_mbuf *mbuf;
 356
 357         uint16_t remaining;
 358         uint16_t data_len;
 359         uint16_t segments;
 360
 361         /* first buf populated by called */
 362         mbuf_prev = mbuf0;
 363         segments = 1;
 364         data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM);
 365         remaining = meta->pkt_len - data_len;
 366         mbuf0->data_len = data_len;
 367
 368         /* HW guarantees that the data does not exceed prod_index! */
 369         while (remaining != 0) {
 370                 data_len = RTE_MIN(remaining,
 371                                    RTE_MBUF_DEFAULT_DATAROOM +
 372                                    RTE_PKTMBUF_HEADROOM);
 373
 374                 remaining -= data_len;
 375                 segments += 1;
 376
 377                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 378                 mbuf_prev->next = mbuf;
 379                 mbuf_prev = mbuf;
 380                 mbuf->data_len = data_len;
 381                 mbuf->data_off = 0;
 382                 if (ARK_RX_DEBUG)
 383                         mbuf->seqn = cons_index;        /* for debug only */
 384
 385                 cons_index += 1;
 386         }
 387
 388         mbuf0->nb_segs = segments;
 389         return cons_index;
 390 }
 391
 392 /* Drain the internal queue allowing hw to clear out. */
 393 static void
 394 eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
 395 {
 396         register uint32_t cons_index;
 397         struct rte_mbuf *mbuf;
 398
 399         cons_index = queue->cons_index;
 400
 401         /* NOT performance optimized, since this is a one-shot call */
 402         while ((cons_index ^ queue->prod_index) & queue->queue_mask) {
 403                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 404                 rte_pktmbuf_free(mbuf);
 405                 cons_index++;
 406                 eth_ark_rx_update_cons_index(queue, cons_index);
 407         }
 408 }
 409
 410 uint32_t
 411 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
 412 {
 413         struct ark_rx_queue *queue;
 414
 415         queue = dev->data->rx_queues[queue_id];
 416         return (queue->prod_index - queue->cons_index); /* mod arith */
 417 }
 418
 419 /* ************************************************************************* */
 420 int
 421 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 422 {
 423         struct ark_rx_queue *queue;
 424
 425         queue = dev->data->rx_queues[queue_id];
 426         if (queue == 0)
 427                 return -1;
 428
 429         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 430
 431         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 432         ark_mpu_start(queue->mpu);
 433
 434         ark_udm_queue_enable(queue->udm, 1);
 435
 436         return 0;
 437 }
 438
 439 /* ************************************************************************* */
 440
 441 /* Queue can be restarted.   data remains
 442  */
 443 int
 444 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 445 {
 446         struct ark_rx_queue *queue;
 447
 448         queue = dev->data->rx_queues[queue_id];
 449         if (queue == 0)
 450                 return -1;
 451
 452         ark_udm_queue_enable(queue->udm, 0);
 453
 454         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 455
 456         return 0;
 457 }
 458
 459 /* ************************************************************************* */
 460 static inline int
 461 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue)
 462 {
 463         uint32_t limit = queue->cons_index + queue->queue_size;
 464         uint32_t seed_index = queue->seed_index;
 465
 466         uint32_t count = 0;
 467         uint32_t seed_m = queue->seed_index & queue->queue_mask;
 468
 469         uint32_t nb = limit - seed_index;
 470
 471         /* Handle wrap around -- remainder is filled on the next call */
 472         if (unlikely(seed_m + nb > queue->queue_size))
 473                 nb = queue->queue_size - seed_m;
 474
 475         struct rte_mbuf **mbufs = &queue->reserve_q[seed_m];
 476         int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb);
 477
 478         if (unlikely(status != 0))
 479                 return -1;
 480
 481         if (ARK_RX_DEBUG) {             /* DEBUG */
 482                 while (count != nb) {
 483                         struct rte_mbuf *mbuf_init =
 484                                 queue->reserve_q[seed_m + count];
 485
 486                         memset(mbuf_init->buf_addr, -1, 512);
 487                         *((uint32_t *)mbuf_init->buf_addr) =
 488                                 seed_index + count;
 489                         *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) =
 490                                 queue->phys_qid;
 491                         count++;
 492                 }
 493                 count = 0;
 494         } /* DEBUG */
 495         queue->seed_index += nb;
 496
 497         /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */
 498         switch (nb % 4) {
 499         case 0:
 500                 while (count != nb) {
 501                         queue->paddress_q[seed_m++] =
 502                                 (*mbufs++)->buf_iova;
 503                         count++;
 504                 /* FALLTHROUGH */
 505         case 3:
 506                 queue->paddress_q[seed_m++] =
 507                         (*mbufs++)->buf_iova;
 508                 count++;
 509                 /* FALLTHROUGH */
 510         case 2:
 511                 queue->paddress_q[seed_m++] =
 512                         (*mbufs++)->buf_iova;
 513                 count++;
 514                 /* FALLTHROUGH */
 515         case 1:
 516                 queue->paddress_q[seed_m++] =
 517                         (*mbufs++)->buf_iova;
 518                 count++;
 519                 /* FALLTHROUGH */
 520
 521                 } /* while (count != nb) */
 522         } /* switch */
 523
 524         return 0;
 525 }
 526
 527 void
 528 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id,
 529                       const char *msg)
 530 {
 531         struct ark_rx_queue *queue;
 532
 533         queue = dev->data->rx_queues[queue_id];
 534
 535         ark_ethdev_rx_dump(msg, queue);
 536 }
 537
 538 /* ************************************************************************* */
 539 /* Call on device closed no user API, queue is stopped */
 540 void
 541 eth_ark_dev_rx_queue_release(void *vqueue)
 542 {
 543         struct ark_rx_queue *queue;
 544         uint32_t i;
 545
 546         queue = (struct ark_rx_queue *)vqueue;
 547         if (queue == 0)
 548                 return;
 549
 550         ark_udm_queue_enable(queue->udm, 0);
 551         /* Stop the MPU since pointer are going away */
 552         ark_mpu_stop(queue->mpu);
 553
 554         /* Need to clear out mbufs here, dropping packets along the way */
 555         eth_ark_rx_queue_drain(queue);
 556
 557         for (i = 0; i < queue->queue_size; ++i)
 558                 rte_pktmbuf_free(queue->reserve_q[i]);
 559
 560         rte_free(queue->reserve_q);
 561         rte_free(queue->paddress_q);
 562         rte_free(queue);
 563 }
 564
 565 void
 566 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats)
 567 {
 568         struct ark_rx_queue *queue;
 569         struct ark_udm_t *udm;
 570
 571         queue = vqueue;
 572         if (queue == 0)
 573                 return;
 574         udm = queue->udm;
 575
 576         uint64_t ibytes = ark_udm_bytes(udm);
 577         uint64_t ipackets = ark_udm_packets(udm);
 578         uint64_t idropped = ark_udm_dropped(queue->udm);
 579
 580         stats->q_ipackets[queue->queue_index] = ipackets;
 581         stats->q_ibytes[queue->queue_index] = ibytes;
 582         stats->q_errors[queue->queue_index] = idropped;
 583         stats->ipackets += ipackets;
 584         stats->ibytes += ibytes;
 585         stats->imissed += idropped;
 586 }
 587
 588 void
 589 eth_rx_queue_stats_reset(void *vqueue)
 590 {
 591         struct ark_rx_queue *queue;
 592
 593         queue = vqueue;
 594         if (queue == 0)
 595                 return;
 596
 597         ark_mpu_reset_stats(queue->mpu);
 598         ark_udm_queue_stats_reset(queue->udm);
 599 }
 600
 601 void
 602 eth_ark_udm_force_close(struct rte_eth_dev *dev)
 603 {
 604         struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private;
 605         struct ark_rx_queue *queue;
 606         uint32_t index;
 607         uint16_t i;
 608
 609         if (!ark_udm_is_flushed(ark->udm.v)) {
 610                 /* restart the MPUs */
 611                 PMD_DRV_LOG(ERR, "ARK: %s UDM not flushed\n", __func__);
 612                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
 613                         queue = (struct ark_rx_queue *)dev->data->rx_queues[i];
 614                         if (queue == 0)
 615                                 continue;
 616
 617                         ark_mpu_start(queue->mpu);
 618                         /* Add some buffers */
 619                         index = 100000 + queue->seed_index;
 620                         ark_mpu_set_producer(queue->mpu, index);
 621                 }
 622                 /* Wait to allow data to pass */
 623                 usleep(100);
 624
 625                 PMD_DEBUG_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n",
 626                                 ark_udm_is_flushed(ark->udm.v));
 627         }
 628         ark_udm_reset(ark->udm.v);
 629 }
 630
 631 static void
 632 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue)
 633 {
 634         if (queue == NULL)
 635                 return;
 636         PMD_DEBUG_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name);
 637         PMD_DEBUG_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n",
 638                         "queue_size", queue->queue_size,
 639                         "seed_index", queue->seed_index,
 640                         "prod_index", queue->prod_index,
 641                         "cons_index", queue->cons_index);
 642
 643         ark_mpu_dump(queue->mpu, name, queue->phys_qid);
 644         ark_mpu_dump_setup(queue->mpu, queue->phys_qid);
 645         ark_udm_dump(queue->udm, name);
 646         ark_udm_dump_setup(queue->udm, queue->phys_qid);
 647 }
 648
 649 /* Only used in debug.
 650  * This function is a raw memory dump of a portion of an mbuf's memory
 651  * region.  The usual function, rte_pktmbuf_dump() only shows data
 652  * with respect to the data_off field.  This function show data
 653  * anywhere in the mbuf's buffer.  This is useful for examining
 654  * data in the headroom or tailroom portion of an mbuf.
 655  */
 656 static void
 657 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi)
 658 {
 659         uint16_t i, j;
 660
 661         PMD_DRV_LOG(INFO, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n", mbuf,
 662                 mbuf->pkt_len, mbuf->data_off, mbuf->seqn);
 663         for (i = lo; i < hi; i += 16) {
 664                 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i);
 665
 666                 PMD_DRV_LOG(INFO, "  %6d:  ", i);
 667                 for (j = 0; j < 16; j++)
 668                         PMD_DRV_LOG(INFO, " %02x", dp[j]);
 669
 670                 PMD_DRV_LOG(INFO, "\n");
 671         }
 672 }