ceph/src/seastar/dpdk/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_ethdev.h"
  40 #include "ark_mpu.h"
  41 #include "ark_udm.h"
  42
  43 #define ARK_RX_META_SIZE 32
  44 #define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE)
  45 #define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM)
  46
  47 /* Forward declarations */
  48 struct ark_rx_queue;
  49 struct ark_rx_meta;
  50
  51 static void dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi);
  52 static void ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue);
  53 static uint32_t eth_ark_rx_jumbo(struct ark_rx_queue *queue,
  54                                  struct ark_rx_meta *meta,
  55                                  struct rte_mbuf *mbuf0,
  56                                  uint32_t cons_index);
  57 static inline int eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue);
  58
  59 /* ************************************************************************* */
  60 struct ark_rx_queue {
  61         /* array of mbufs to populate */
  62         struct rte_mbuf **reserve_q;
  63         /* array of physical addresses of the mbuf data pointer */
  64         /* This point is a virtual address */
  65         phys_addr_t *paddress_q;
  66         struct rte_mempool *mb_pool;
  67
  68         struct ark_udm_t *udm;
  69         struct ark_mpu_t *mpu;
  70
  71         uint32_t queue_size;
  72         uint32_t queue_mask;
  73
  74         uint32_t seed_index;            /* step 1 set with empty mbuf */
  75         uint32_t cons_index;            /* step 3 consumed by driver */
  76
  77         /* The queue Id is used to identify the HW Q */
  78         uint16_t phys_qid;
  79
  80         /* The queue Index is used within the dpdk device structures */
  81         uint16_t queue_index;
  82
  83         uint32_t pad1;
  84
  85         /* separate cache line */
  86         /* second cache line - fields only used in slow path */
  87         MARKER cacheline1 __rte_cache_min_aligned;
  88
  89         volatile uint32_t prod_index;   /* step 2 filled by FPGA */
  90 } __rte_cache_aligned;
  91
  92
  93 /* ************************************************************************* */
  94 static int
  95 eth_ark_rx_hw_setup(struct rte_eth_dev *dev,
  96                     struct ark_rx_queue *queue,
  97                     uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx)
  98 {
  99         phys_addr_t queue_base;
 100         phys_addr_t phys_addr_q_base;
 101         phys_addr_t phys_addr_prod_index;
 102
 103         queue_base = rte_malloc_virt2phy(queue);
 104         phys_addr_prod_index = queue_base +
 105                 offsetof(struct ark_rx_queue, prod_index);
 106
 107         phys_addr_q_base = rte_malloc_virt2phy(queue->paddress_q);
 108
 109         /* Verify HW */
 110         if (ark_mpu_verify(queue->mpu, sizeof(phys_addr_t))) {
 111                 PMD_DRV_LOG(ERR, "Illegal configuration rx queue\n");
 112                 return -1;
 113         }
 114
 115         /* Stop and Reset and configure MPU */
 116         ark_mpu_configure(queue->mpu, phys_addr_q_base, queue->queue_size, 0);
 117
 118         ark_udm_write_addr(queue->udm, phys_addr_prod_index);
 119
 120         /* advance the valid pointer, but don't start until the queue starts */
 121         ark_mpu_reset_stats(queue->mpu);
 122
 123         /* The seed is the producer index for the HW */
 124         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 125         dev->data->rx_queue_state[rx_queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 126
 127         return 0;
 128 }
 129
 130 static inline void
 131 eth_ark_rx_update_cons_index(struct ark_rx_queue *queue, uint32_t cons_index)
 132 {
 133         queue->cons_index = cons_index;
 134         eth_ark_rx_seed_mbufs(queue);
 135         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 136 }
 137
 138 /* ************************************************************************* */
 139 int
 140 eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
 141                            uint16_t queue_idx,
 142                            uint16_t nb_desc,
 143                            unsigned int socket_id,
 144                            const struct rte_eth_rxconf *rx_conf,
 145                            struct rte_mempool *mb_pool)
 146 {
 147         static int warning1;            /* = 0 */
 148         struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private;
 149
 150         struct ark_rx_queue *queue;
 151         uint32_t i;
 152         int status;
 153
 154         /* Future works: divide the Q's evenly with multi-ports */
 155         int port = dev->data->port_id;
 156         int qidx = port + queue_idx;
 157
 158         /* We may already be setup, free memory prior to re-allocation */
 159         if (dev->data->rx_queues[queue_idx] != NULL) {
 160                 eth_ark_dev_rx_queue_release(dev->data->rx_queues[queue_idx]);
 161                 dev->data->rx_queues[queue_idx] = NULL;
 162         }
 163
 164         if (rx_conf != NULL && warning1 == 0) {
 165                 warning1 = 1;
 166                 PMD_DRV_LOG(INFO,
 167                             "Arkville ignores rte_eth_rxconf argument.\n");
 168         }
 169
 170         if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) {
 171                 PMD_DRV_LOG(ERR,
 172                             "Error: DPDK Arkville requires head room > %d bytes (%s)\n",
 173                             ARK_RX_META_SIZE, __func__);
 174                 return -1;              /* ERROR CODE */
 175         }
 176
 177         if (!rte_is_power_of_2(nb_desc)) {
 178                 PMD_DRV_LOG(ERR,
 179                             "DPDK Arkville configuration queue size must be power of two %u (%s)\n",
 180                             nb_desc, __func__);
 181                 return -1;              /* ERROR CODE */
 182         }
 183
 184         /* Allocate queue struct */
 185         queue = rte_zmalloc_socket("Ark_rxqueue",
 186                                    sizeof(struct ark_rx_queue),
 187                                    64,
 188                                    socket_id);
 189         if (queue == 0) {
 190                 PMD_DRV_LOG(ERR, "Failed to allocate memory in %s\n", __func__);
 191                 return -ENOMEM;
 192         }
 193
 194         /* NOTE zmalloc is used, no need to 0 indexes, etc. */
 195         queue->mb_pool = mb_pool;
 196         queue->phys_qid = qidx;
 197         queue->queue_index = queue_idx;
 198         queue->queue_size = nb_desc;
 199         queue->queue_mask = nb_desc - 1;
 200
 201         queue->reserve_q =
 202                 rte_zmalloc_socket("Ark_rx_queue mbuf",
 203                                    nb_desc * sizeof(struct rte_mbuf *),
 204                                    64,
 205                                    socket_id);
 206         queue->paddress_q =
 207                 rte_zmalloc_socket("Ark_rx_queue paddr",
 208                                    nb_desc * sizeof(phys_addr_t),
 209                                    64,
 210                                    socket_id);
 211
 212         if (queue->reserve_q == 0 || queue->paddress_q == 0) {
 213                 PMD_DRV_LOG(ERR,
 214                             "Failed to allocate queue memory in %s\n",
 215                             __func__);
 216                 rte_free(queue->reserve_q);
 217                 rte_free(queue->paddress_q);
 218                 rte_free(queue);
 219                 return -ENOMEM;
 220         }
 221
 222         dev->data->rx_queues[queue_idx] = queue;
 223         queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET);
 224         queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET);
 225
 226         /* populate mbuf reserve */
 227         status = eth_ark_rx_seed_mbufs(queue);
 228
 229         /* MPU Setup */
 230         if (status == 0)
 231                 status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx);
 232
 233         if (unlikely(status != 0)) {
 234                 struct rte_mbuf *mbuf;
 235
 236                 PMD_DRV_LOG(ERR, "Failed to initialize RX queue %d %s\n",
 237                             qidx,
 238                             __func__);
 239                 /* Free the mbufs allocated */
 240                 for (i = 0, mbuf = queue->reserve_q[0];
 241                      i < nb_desc; ++i, mbuf++) {
 242                         rte_pktmbuf_free(mbuf);
 243                 }
 244                 rte_free(queue->reserve_q);
 245                 rte_free(queue->paddress_q);
 246                 rte_free(queue);
 247                 return -1;              /* ERROR CODE */
 248         }
 249
 250         return 0;
 251 }
 252
 253 /* ************************************************************************* */
 254 uint16_t
 255 eth_ark_recv_pkts_noop(void *rx_queue __rte_unused,
 256                        struct rte_mbuf **rx_pkts __rte_unused,
 257                        uint16_t nb_pkts __rte_unused)
 258 {
 259         return 0;
 260 }
 261
 262 /* ************************************************************************* */
 263 uint16_t
 264 eth_ark_recv_pkts(void *rx_queue,
 265                   struct rte_mbuf **rx_pkts,
 266                   uint16_t nb_pkts)
 267 {
 268         struct ark_rx_queue *queue;
 269         register uint32_t cons_index, prod_index;
 270         uint16_t nb;
 271         struct rte_mbuf *mbuf;
 272         struct ark_rx_meta *meta;
 273
 274         queue = (struct ark_rx_queue *)rx_queue;
 275         if (unlikely(queue == 0))
 276                 return 0;
 277         if (unlikely(nb_pkts == 0))
 278                 return 0;
 279         prod_index = queue->prod_index;
 280         cons_index = queue->cons_index;
 281         nb = 0;
 282
 283         while (prod_index != cons_index) {
 284                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 285                 /* prefetch mbuf */
 286                 rte_mbuf_prefetch_part1(mbuf);
 287                 rte_mbuf_prefetch_part2(mbuf);
 288
 289                 /* META DATA embedded in headroom */
 290                 meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET);
 291
 292                 mbuf->port = meta->port;
 293                 mbuf->pkt_len = meta->pkt_len;
 294                 mbuf->data_len = meta->pkt_len;
 295                 mbuf->timestamp = meta->timestamp;
 296                 mbuf->udata64 = meta->user_data;
 297
 298                 if (ARK_RX_DEBUG) {     /* debug sanity checks */
 299                         if ((meta->pkt_len > (1024 * 16)) ||
 300                             (meta->pkt_len == 0)) {
 301                                 PMD_RX_LOG(DEBUG, "RX: Bad Meta Q: %u"
 302                                            " cons: %" PRIU32
 303                                            " prod: %" PRIU32
 304                                            " seed_index %" PRIU32
 305                                            "\n",
 306                                            queue->phys_qid,
 307                                            cons_index,
 308                                            queue->prod_index,
 309                                            queue->seed_index);
 310
 311
 312                                 PMD_RX_LOG(DEBUG, "       :  UDM"
 313                                            " prod: %" PRIU32
 314                                            " len: %u\n",
 315                                            queue->udm->rt_cfg.prod_idx,
 316                                            meta->pkt_len);
 317                                 ark_mpu_dump(queue->mpu,
 318                                              "    ",
 319                                              queue->phys_qid);
 320                                 dump_mbuf_data(mbuf, 0, 256);
 321                                 /* its FUBAR so fix it */
 322                                 mbuf->pkt_len = 63;
 323                                 meta->pkt_len = 63;
 324                         }
 325                         /* seqn is only set under debug */
 326                         mbuf->seqn = cons_index;
 327                 }
 328
 329                 if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN))
 330                         cons_index = eth_ark_rx_jumbo
 331                                 (queue, meta, mbuf, cons_index + 1);
 332                 else
 333                         cons_index += 1;
 334
 335                 rx_pkts[nb] = mbuf;
 336                 nb++;
 337                 if (nb >= nb_pkts)
 338                         break;
 339         }
 340
 341         if (unlikely(nb != 0))
 342                 /* report next free to FPGA */
 343                 eth_ark_rx_update_cons_index(queue, cons_index);
 344
 345         return nb;
 346 }
 347
 348 /* ************************************************************************* */
 349 static uint32_t
 350 eth_ark_rx_jumbo(struct ark_rx_queue *queue,
 351                  struct ark_rx_meta *meta,
 352                  struct rte_mbuf *mbuf0,
 353                  uint32_t cons_index)
 354 {
 355         struct rte_mbuf *mbuf_prev;
 356         struct rte_mbuf *mbuf;
 357
 358         uint16_t remaining;
 359         uint16_t data_len;
 360         uint8_t segments;
 361
 362         /* first buf populated by called */
 363         mbuf_prev = mbuf0;
 364         segments = 1;
 365         data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM);
 366         remaining = meta->pkt_len - data_len;
 367         mbuf0->data_len = data_len;
 368
 369         /* HW guarantees that the data does not exceed prod_index! */
 370         while (remaining != 0) {
 371                 data_len = RTE_MIN(remaining,
 372                                    RTE_MBUF_DEFAULT_DATAROOM +
 373                                    RTE_PKTMBUF_HEADROOM);
 374
 375                 remaining -= data_len;
 376                 segments += 1;
 377
 378                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 379                 mbuf_prev->next = mbuf;
 380                 mbuf_prev = mbuf;
 381                 mbuf->data_len = data_len;
 382                 mbuf->data_off = 0;
 383                 if (ARK_RX_DEBUG)
 384                         mbuf->seqn = cons_index;        /* for debug only */
 385
 386                 cons_index += 1;
 387         }
 388
 389         mbuf0->nb_segs = segments;
 390         return cons_index;
 391 }
 392
 393 /* Drain the internal queue allowing hw to clear out. */
 394 static void
 395 eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
 396 {
 397         register uint32_t cons_index;
 398         struct rte_mbuf *mbuf;
 399
 400         cons_index = queue->cons_index;
 401
 402         /* NOT performance optimized, since this is a one-shot call */
 403         while ((cons_index ^ queue->prod_index) & queue->queue_mask) {
 404                 mbuf = queue->reserve_q[cons_index & queue->queue_mask];
 405                 rte_pktmbuf_free(mbuf);
 406                 cons_index++;
 407                 eth_ark_rx_update_cons_index(queue, cons_index);
 408         }
 409 }
 410
 411 uint32_t
 412 eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
 413 {
 414         struct ark_rx_queue *queue;
 415
 416         queue = dev->data->rx_queues[queue_id];
 417         return (queue->prod_index - queue->cons_index); /* mod arith */
 418 }
 419
 420 /* ************************************************************************* */
 421 int
 422 eth_ark_rx_start_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 423 {
 424         struct ark_rx_queue *queue;
 425
 426         queue = dev->data->rx_queues[queue_id];
 427         if (queue == 0)
 428                 return -1;
 429
 430         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 431
 432         ark_mpu_set_producer(queue->mpu, queue->seed_index);
 433         ark_mpu_start(queue->mpu);
 434
 435         ark_udm_queue_enable(queue->udm, 1);
 436
 437         return 0;
 438 }
 439
 440 /* ************************************************************************* */
 441
 442 /* Queue can be restarted.   data remains
 443  */
 444 int
 445 eth_ark_rx_stop_queue(struct rte_eth_dev *dev, uint16_t queue_id)
 446 {
 447         struct ark_rx_queue *queue;
 448
 449         queue = dev->data->rx_queues[queue_id];
 450         if (queue == 0)
 451                 return -1;
 452
 453         ark_udm_queue_enable(queue->udm, 0);
 454
 455         dev->data->rx_queue_state[queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 456
 457         return 0;
 458 }
 459
 460 /* ************************************************************************* */
 461 static inline int
 462 eth_ark_rx_seed_mbufs(struct ark_rx_queue *queue)
 463 {
 464         uint32_t limit = queue->cons_index + queue->queue_size;
 465         uint32_t seed_index = queue->seed_index;
 466
 467         uint32_t count = 0;
 468         uint32_t seed_m = queue->seed_index & queue->queue_mask;
 469
 470         uint32_t nb = limit - seed_index;
 471
 472         /* Handle wrap around -- remainder is filled on the next call */
 473         if (unlikely(seed_m + nb > queue->queue_size))
 474                 nb = queue->queue_size - seed_m;
 475
 476         struct rte_mbuf **mbufs = &queue->reserve_q[seed_m];
 477         int status = rte_pktmbuf_alloc_bulk(queue->mb_pool, mbufs, nb);
 478
 479         if (unlikely(status != 0))
 480                 return -1;
 481
 482         if (ARK_RX_DEBUG) {             /* DEBUG */
 483                 while (count != nb) {
 484                         struct rte_mbuf *mbuf_init =
 485                                 queue->reserve_q[seed_m + count];
 486
 487                         memset(mbuf_init->buf_addr, -1, 512);
 488                         *((uint32_t *)mbuf_init->buf_addr) =
 489                                 seed_index + count;
 490                         *(uint16_t *)RTE_PTR_ADD(mbuf_init->buf_addr, 4) =
 491                                 queue->phys_qid;
 492                         count++;
 493                 }
 494                 count = 0;
 495         } /* DEBUG */
 496         queue->seed_index += nb;
 497
 498         /* Duff's device https://en.wikipedia.org/wiki/Duff's_device */
 499         switch (nb % 4) {
 500         case 0:
 501                 while (count != nb) {
 502                         queue->paddress_q[seed_m++] =
 503                                 (*mbufs++)->buf_physaddr;
 504                         count++;
 505                 /* FALLTHROUGH */
 506         case 3:
 507                 queue->paddress_q[seed_m++] =
 508                         (*mbufs++)->buf_physaddr;
 509                 count++;
 510                 /* FALLTHROUGH */
 511         case 2:
 512                 queue->paddress_q[seed_m++] =
 513                         (*mbufs++)->buf_physaddr;
 514                 count++;
 515                 /* FALLTHROUGH */
 516         case 1:
 517                 queue->paddress_q[seed_m++] =
 518                         (*mbufs++)->buf_physaddr;
 519                 count++;
 520                 /* FALLTHROUGH */
 521
 522                 } /* while (count != nb) */
 523         } /* switch */
 524
 525         return 0;
 526 }
 527
 528 void
 529 eth_ark_rx_dump_queue(struct rte_eth_dev *dev, uint16_t queue_id,
 530                       const char *msg)
 531 {
 532         struct ark_rx_queue *queue;
 533
 534         queue = dev->data->rx_queues[queue_id];
 535
 536         ark_ethdev_rx_dump(msg, queue);
 537 }
 538
 539 /* ************************************************************************* */
 540 /* Call on device closed no user API, queue is stopped */
 541 void
 542 eth_ark_dev_rx_queue_release(void *vqueue)
 543 {
 544         struct ark_rx_queue *queue;
 545         uint32_t i;
 546
 547         queue = (struct ark_rx_queue *)vqueue;
 548         if (queue == 0)
 549                 return;
 550
 551         ark_udm_queue_enable(queue->udm, 0);
 552         /* Stop the MPU since pointer are going away */
 553         ark_mpu_stop(queue->mpu);
 554
 555         /* Need to clear out mbufs here, dropping packets along the way */
 556         eth_ark_rx_queue_drain(queue);
 557
 558         for (i = 0; i < queue->queue_size; ++i)
 559                 rte_pktmbuf_free(queue->reserve_q[i]);
 560
 561         rte_free(queue->reserve_q);
 562         rte_free(queue->paddress_q);
 563         rte_free(queue);
 564 }
 565
 566 void
 567 eth_rx_queue_stats_get(void *vqueue, struct rte_eth_stats *stats)
 568 {
 569         struct ark_rx_queue *queue;
 570         struct ark_udm_t *udm;
 571
 572         queue = vqueue;
 573         if (queue == 0)
 574                 return;
 575         udm = queue->udm;
 576
 577         uint64_t ibytes = ark_udm_bytes(udm);
 578         uint64_t ipackets = ark_udm_packets(udm);
 579         uint64_t idropped = ark_udm_dropped(queue->udm);
 580
 581         stats->q_ipackets[queue->queue_index] = ipackets;
 582         stats->q_ibytes[queue->queue_index] = ibytes;
 583         stats->q_errors[queue->queue_index] = idropped;
 584         stats->ipackets += ipackets;
 585         stats->ibytes += ibytes;
 586         stats->imissed += idropped;
 587 }
 588
 589 void
 590 eth_rx_queue_stats_reset(void *vqueue)
 591 {
 592         struct ark_rx_queue *queue;
 593
 594         queue = vqueue;
 595         if (queue == 0)
 596                 return;
 597
 598         ark_mpu_reset_stats(queue->mpu);
 599         ark_udm_queue_stats_reset(queue->udm);
 600 }
 601
 602 void
 603 eth_ark_udm_force_close(struct rte_eth_dev *dev)
 604 {
 605         struct ark_adapter *ark = (struct ark_adapter *)dev->data->dev_private;
 606         struct ark_rx_queue *queue;
 607         uint32_t index;
 608         uint16_t i;
 609
 610         if (!ark_udm_is_flushed(ark->udm.v)) {
 611                 /* restart the MPUs */
 612                 PMD_DRV_LOG(ERR, "ARK: %s UDM not flushed\n", __func__);
 613                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
 614                         queue = (struct ark_rx_queue *)dev->data->rx_queues[i];
 615                         if (queue == 0)
 616                                 continue;
 617
 618                         ark_mpu_start(queue->mpu);
 619                         /* Add some buffers */
 620                         index = 100000 + queue->seed_index;
 621                         ark_mpu_set_producer(queue->mpu, index);
 622                 }
 623                 /* Wait to allow data to pass */
 624                 usleep(100);
 625
 626                 PMD_DEBUG_LOG(DEBUG, "UDM forced flush attempt, stopped = %d\n",
 627                                 ark_udm_is_flushed(ark->udm.v));
 628         }
 629         ark_udm_reset(ark->udm.v);
 630 }
 631
 632 static void
 633 ark_ethdev_rx_dump(const char *name, struct ark_rx_queue *queue)
 634 {
 635         if (queue == NULL)
 636                 return;
 637         PMD_DEBUG_LOG(DEBUG, "RX QUEUE %d -- %s", queue->phys_qid, name);
 638         PMD_DEBUG_LOG(DEBUG, ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n",
 639                         "queue_size", queue->queue_size,
 640                         "seed_index", queue->seed_index,
 641                         "prod_index", queue->prod_index,
 642                         "cons_index", queue->cons_index);
 643
 644         ark_mpu_dump(queue->mpu, name, queue->phys_qid);
 645         ark_mpu_dump_setup(queue->mpu, queue->phys_qid);
 646         ark_udm_dump(queue->udm, name);
 647         ark_udm_dump_setup(queue->udm, queue->phys_qid);
 648 }
 649
 650 /* Only used in debug.
 651  * This function is a raw memory dump of a portion of an mbuf's memory
 652  * region.  The usual function, rte_pktmbuf_dump() only shows data
 653  * with respect to the data_off field.  This function show data
 654  * anywhere in the mbuf's buffer.  This is useful for examining
 655  * data in the headroom or tailroom portion of an mbuf.
 656  */
 657 static void
 658 dump_mbuf_data(struct rte_mbuf *mbuf, uint16_t lo, uint16_t hi)
 659 {
 660         uint16_t i, j;
 661
 662         PMD_DRV_LOG(INFO, " MBUF: %p len %d, off: %d, seq: %" PRIU32 "\n", mbuf,
 663                 mbuf->pkt_len, mbuf->data_off, mbuf->seqn);
 664         for (i = lo; i < hi; i += 16) {
 665                 uint8_t *dp = RTE_PTR_ADD(mbuf->buf_addr, i);
 666
 667                 PMD_DRV_LOG(INFO, "  %6d:  ", i);
 668                 for (j = 0; j < 16; j++)
 669                         PMD_DRV_LOG(INFO, " %02x", dp[j]);
 670
 671                 PMD_DRV_LOG(INFO, "\n");
 672         }
 673 }