drivers/net/dpaa/dpaa_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright 2017 NXP.
   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  Freescale Semiconductor, Inc 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 /* System headers */
  34 #include <stdio.h>
  35 #include <inttypes.h>
  36 #include <unistd.h>
  37 #include <limits.h>
  38 #include <sched.h>
  39 #include <signal.h>
  40 #include <pthread.h>
  41 #include <sys/types.h>
  42 #include <sys/syscall.h>
  43
  44 #include <rte_config.h>
  45 #include <rte_byteorder.h>
  46 #include <rte_common.h>
  47 #include <rte_interrupts.h>
  48 #include <rte_log.h>
  49 #include <rte_debug.h>
  50 #include <rte_pci.h>
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_memory.h>
  54 #include <rte_memzone.h>
  55 #include <rte_tailq.h>
  56 #include <rte_eal.h>
  57 #include <rte_alarm.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_malloc.h>
  61 #include <rte_ring.h>
  62
  63 #include <rte_dpaa_bus.h>
  64 #include <rte_dpaa_logs.h>
  65 #include <dpaa_mempool.h>
  66
  67 #include <dpaa_ethdev.h>
  68 #include <dpaa_rxtx.h>
  69
  70 #include <fsl_usd.h>
  71 #include <fsl_qman.h>
  72 #include <fsl_bman.h>
  73 #include <fsl_fman.h>
  74
  75 /* Keep track of whether QMAN and BMAN have been globally initialized */
  76 static int is_global_init;
  77
  78 static int
  79 dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
  80 {
  81         struct dpaa_if *dpaa_intf = dev->data->dev_private;
  82
  83         PMD_INIT_FUNC_TRACE();
  84
  85         if (mtu < ETHER_MIN_MTU)
  86                 return -EINVAL;
  87         if (mtu > ETHER_MAX_LEN)
  88                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
  89         else
  90                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
  91
  92         dev->data->dev_conf.rxmode.max_rx_pkt_len = mtu;
  93
  94         fman_if_set_maxfrm(dpaa_intf->fif, mtu);
  95
  96         return 0;
  97 }
  98
  99 static int
 100 dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
 101 {
 102         PMD_INIT_FUNC_TRACE();
 103
 104         if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
 105                 if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
 106                     DPAA_MAX_RX_PKT_LEN)
 107                         return dpaa_mtu_set(dev,
 108                                 dev->data->dev_conf.rxmode.max_rx_pkt_len);
 109                 else
 110                         return -1;
 111         }
 112         return 0;
 113 }
 114
 115 static int dpaa_eth_dev_start(struct rte_eth_dev *dev)
 116 {
 117         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 118
 119         PMD_INIT_FUNC_TRACE();
 120
 121         /* Change tx callback to the real one */
 122         dev->tx_pkt_burst = dpaa_eth_queue_tx;
 123         fman_if_enable_rx(dpaa_intf->fif);
 124
 125         return 0;
 126 }
 127
 128 static void dpaa_eth_dev_stop(struct rte_eth_dev *dev)
 129 {
 130         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 131
 132         PMD_INIT_FUNC_TRACE();
 133
 134         fman_if_disable_rx(dpaa_intf->fif);
 135         dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
 136 }
 137
 138 static void dpaa_eth_dev_close(struct rte_eth_dev *dev)
 139 {
 140         PMD_INIT_FUNC_TRACE();
 141
 142         dpaa_eth_dev_stop(dev);
 143 }
 144
 145 static
 146 int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 147                             uint16_t nb_desc __rte_unused,
 148                             unsigned int socket_id __rte_unused,
 149                             const struct rte_eth_rxconf *rx_conf __rte_unused,
 150                             struct rte_mempool *mp)
 151 {
 152         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 153
 154         PMD_INIT_FUNC_TRACE();
 155
 156         DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx);
 157
 158         if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) {
 159                 struct fman_if_ic_params icp;
 160                 uint32_t fd_offset;
 161                 uint32_t bp_size;
 162
 163                 if (!mp->pool_data) {
 164                         DPAA_PMD_ERR("Not an offloaded buffer pool!");
 165                         return -1;
 166                 }
 167                 dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
 168
 169                 memset(&icp, 0, sizeof(icp));
 170                 /* set ICEOF for to the default value , which is 0*/
 171                 icp.iciof = DEFAULT_ICIOF;
 172                 icp.iceof = DEFAULT_RX_ICEOF;
 173                 icp.icsz = DEFAULT_ICSZ;
 174                 fman_if_set_ic_params(dpaa_intf->fif, &icp);
 175
 176                 fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE;
 177                 fman_if_set_fdoff(dpaa_intf->fif, fd_offset);
 178
 179                 /* Buffer pool size should be equal to Dataroom Size*/
 180                 bp_size = rte_pktmbuf_data_room_size(mp);
 181                 fman_if_set_bp(dpaa_intf->fif, mp->size,
 182                                dpaa_intf->bp_info->bpid, bp_size);
 183                 dpaa_intf->valid = 1;
 184                 DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d",
 185                             dpaa_intf->name, fd_offset,
 186                         fman_if_get_fdoff(dpaa_intf->fif));
 187         }
 188         dev->data->rx_queues[queue_idx] = &dpaa_intf->rx_queues[queue_idx];
 189
 190         return 0;
 191 }
 192
 193 static
 194 void dpaa_eth_rx_queue_release(void *rxq __rte_unused)
 195 {
 196         PMD_INIT_FUNC_TRACE();
 197 }
 198
 199 static
 200 int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 201                             uint16_t nb_desc __rte_unused,
 202                 unsigned int socket_id __rte_unused,
 203                 const struct rte_eth_txconf *tx_conf __rte_unused)
 204 {
 205         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 206
 207         PMD_INIT_FUNC_TRACE();
 208
 209         DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx);
 210         dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx];
 211         return 0;
 212 }
 213
 214 static void dpaa_eth_tx_queue_release(void *txq __rte_unused)
 215 {
 216         PMD_INIT_FUNC_TRACE();
 217 }
 218
 219 static struct eth_dev_ops dpaa_devops = {
 220         .dev_configure            = dpaa_eth_dev_configure,
 221         .dev_start                = dpaa_eth_dev_start,
 222         .dev_stop                 = dpaa_eth_dev_stop,
 223         .dev_close                = dpaa_eth_dev_close,
 224
 225         .rx_queue_setup           = dpaa_eth_rx_queue_setup,
 226         .tx_queue_setup           = dpaa_eth_tx_queue_setup,
 227         .rx_queue_release         = dpaa_eth_rx_queue_release,
 228         .tx_queue_release         = dpaa_eth_tx_queue_release,
 229         .mtu_set                  = dpaa_mtu_set,
 230 };
 231
 232 /* Initialise an Rx FQ */
 233 static int dpaa_rx_queue_init(struct qman_fq *fq,
 234                               uint32_t fqid)
 235 {
 236         struct qm_mcc_initfq opts;
 237         int ret;
 238
 239         PMD_INIT_FUNC_TRACE();
 240
 241         ret = qman_reserve_fqid(fqid);
 242         if (ret) {
 243                 DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d",
 244                              fqid, ret);
 245                 return -EINVAL;
 246         }
 247
 248         DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid);
 249         ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
 250         if (ret) {
 251                 DPAA_PMD_ERR("create rx fqid %d failed with ret: %d",
 252                         fqid, ret);
 253                 return ret;
 254         }
 255
 256         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 257                        QM_INITFQ_WE_CONTEXTA;
 258
 259         opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY;
 260         opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING |
 261                            QM_FQCTRL_PREFERINCACHE;
 262         opts.fqd.context_a.stashing.exclusive = 0;
 263         opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH;
 264         opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH;
 265         opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH;
 266
 267         /*Enable tail drop */
 268         opts.we_mask = opts.we_mask | QM_INITFQ_WE_TDTHRESH;
 269         opts.fqd.fq_ctrl = opts.fqd.fq_ctrl | QM_FQCTRL_TDE;
 270         qm_fqd_taildrop_set(&opts.fqd.td, CONG_THRESHOLD_RX_Q, 1);
 271
 272         ret = qman_init_fq(fq, 0, &opts);
 273         if (ret)
 274                 DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret);
 275         return ret;
 276 }
 277
 278 /* Initialise a Tx FQ */
 279 static int dpaa_tx_queue_init(struct qman_fq *fq,
 280                               struct fman_if *fman_intf)
 281 {
 282         struct qm_mcc_initfq opts;
 283         int ret;
 284
 285         PMD_INIT_FUNC_TRACE();
 286
 287         ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID |
 288                              QMAN_FQ_FLAG_TO_DCPORTAL, fq);
 289         if (ret) {
 290                 DPAA_PMD_ERR("create tx fq failed with ret: %d", ret);
 291                 return ret;
 292         }
 293         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 294                        QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA;
 295         opts.fqd.dest.channel = fman_intf->tx_channel_id;
 296         opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY;
 297         opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE;
 298         opts.fqd.context_b = 0;
 299         /* no tx-confirmation */
 300         opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi;
 301         opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo;
 302         DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid);
 303         ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts);
 304         if (ret)
 305                 DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret);
 306         return ret;
 307 }
 308
 309 /* Initialise a network interface */
 310 static int
 311 dpaa_dev_init(struct rte_eth_dev *eth_dev)
 312 {
 313         int num_cores, num_rx_fqs, fqid;
 314         int loop, ret = 0;
 315         int dev_id;
 316         struct rte_dpaa_device *dpaa_device;
 317         struct dpaa_if *dpaa_intf;
 318         struct fm_eth_port_cfg *cfg;
 319         struct fman_if *fman_intf;
 320         struct fman_if_bpool *bp, *tmp_bp;
 321
 322         PMD_INIT_FUNC_TRACE();
 323
 324         /* For secondary processes, the primary has done all the work */
 325         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 326                 return 0;
 327
 328         dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
 329         dev_id = dpaa_device->id.dev_id;
 330         dpaa_intf = eth_dev->data->dev_private;
 331         cfg = &dpaa_netcfg->port_cfg[dev_id];
 332         fman_intf = cfg->fman_if;
 333
 334         dpaa_intf->name = dpaa_device->name;
 335
 336         /* save fman_if & cfg in the interface struture */
 337         dpaa_intf->fif = fman_intf;
 338         dpaa_intf->ifid = dev_id;
 339         dpaa_intf->cfg = cfg;
 340
 341         /* Initialize Rx FQ's */
 342         if (getenv("DPAA_NUM_RX_QUEUES"))
 343                 num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES"));
 344         else
 345                 num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES;
 346
 347         /* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX
 348          * queues.
 349          */
 350         if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) {
 351                 DPAA_PMD_ERR("Invalid number of RX queues\n");
 352                 return -EINVAL;
 353         }
 354
 355         dpaa_intf->rx_queues = rte_zmalloc(NULL,
 356                 sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE);
 357         for (loop = 0; loop < num_rx_fqs; loop++) {
 358                 fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid *
 359                         DPAA_PCD_FQID_MULTIPLIER + loop;
 360                 ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop], fqid);
 361                 if (ret)
 362                         return ret;
 363                 dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf;
 364         }
 365         dpaa_intf->nb_rx_queues = num_rx_fqs;
 366
 367         /* Initialise Tx FQs. Have as many Tx FQ's as number of cores */
 368         num_cores = rte_lcore_count();
 369         dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) *
 370                 num_cores, MAX_CACHELINE);
 371         if (!dpaa_intf->tx_queues)
 372                 return -ENOMEM;
 373
 374         for (loop = 0; loop < num_cores; loop++) {
 375                 ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop],
 376                                          fman_intf);
 377                 if (ret)
 378                         return ret;
 379                 dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf;
 380         }
 381         dpaa_intf->nb_tx_queues = num_cores;
 382
 383         DPAA_PMD_DEBUG("All frame queues created");
 384
 385         /* reset bpool list, initialize bpool dynamically */
 386         list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {
 387                 list_del(&bp->node);
 388                 rte_free(bp);
 389         }
 390
 391         /* Populate ethdev structure */
 392         eth_dev->dev_ops = &dpaa_devops;
 393         eth_dev->rx_pkt_burst = dpaa_eth_queue_rx;
 394         eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
 395
 396         /* Allocate memory for storing MAC addresses */
 397         eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
 398                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0);
 399         if (eth_dev->data->mac_addrs == NULL) {
 400                 DPAA_PMD_ERR("Failed to allocate %d bytes needed to "
 401                                                 "store MAC addresses",
 402                                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER);
 403                 rte_free(dpaa_intf->rx_queues);
 404                 rte_free(dpaa_intf->tx_queues);
 405                 dpaa_intf->rx_queues = NULL;
 406                 dpaa_intf->tx_queues = NULL;
 407                 dpaa_intf->nb_rx_queues = 0;
 408                 dpaa_intf->nb_tx_queues = 0;
 409                 return -ENOMEM;
 410         }
 411
 412         /* copy the primary mac address */
 413         ether_addr_copy(&fman_intf->mac_addr, &eth_dev->data->mac_addrs[0]);
 414
 415         RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n",
 416                 dpaa_device->name,
 417                 fman_intf->mac_addr.addr_bytes[0],
 418                 fman_intf->mac_addr.addr_bytes[1],
 419                 fman_intf->mac_addr.addr_bytes[2],
 420                 fman_intf->mac_addr.addr_bytes[3],
 421                 fman_intf->mac_addr.addr_bytes[4],
 422                 fman_intf->mac_addr.addr_bytes[5]);
 423
 424         /* Disable RX mode */
 425         fman_if_discard_rx_errors(fman_intf);
 426         fman_if_disable_rx(fman_intf);
 427         /* Disable promiscuous mode */
 428         fman_if_promiscuous_disable(fman_intf);
 429         /* Disable multicast */
 430         fman_if_reset_mcast_filter_table(fman_intf);
 431         /* Reset interface statistics */
 432         fman_if_stats_reset(fman_intf);
 433
 434         return 0;
 435 }
 436
 437 static int
 438 dpaa_dev_uninit(struct rte_eth_dev *dev)
 439 {
 440         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 441
 442         PMD_INIT_FUNC_TRACE();
 443
 444         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 445                 return -EPERM;
 446
 447         if (!dpaa_intf) {
 448                 DPAA_PMD_WARN("Already closed or not started");
 449                 return -1;
 450         }
 451
 452         dpaa_eth_dev_close(dev);
 453
 454         /* release configuration memory */
 455         if (dpaa_intf->fc_conf)
 456                 rte_free(dpaa_intf->fc_conf);
 457
 458         rte_free(dpaa_intf->rx_queues);
 459         dpaa_intf->rx_queues = NULL;
 460
 461         rte_free(dpaa_intf->tx_queues);
 462         dpaa_intf->tx_queues = NULL;
 463
 464         /* free memory for storing MAC addresses */
 465         rte_free(dev->data->mac_addrs);
 466         dev->data->mac_addrs = NULL;
 467
 468         dev->dev_ops = NULL;
 469         dev->rx_pkt_burst = NULL;
 470         dev->tx_pkt_burst = NULL;
 471
 472         return 0;
 473 }
 474
 475 static int
 476 rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
 477                struct rte_dpaa_device *dpaa_dev)
 478 {
 479         int diag;
 480         int ret;
 481         struct rte_eth_dev *eth_dev;
 482
 483         PMD_INIT_FUNC_TRACE();
 484
 485         /* In case of secondary process, the device is already configured
 486          * and no further action is required, except portal initialization
 487          * and verifying secondary attachment to port name.
 488          */
 489         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 490                 eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
 491                 if (!eth_dev)
 492                         return -ENOMEM;
 493                 return 0;
 494         }
 495
 496         if (!is_global_init) {
 497                 /* One time load of Qman/Bman drivers */
 498                 ret = qman_global_init();
 499                 if (ret) {
 500                         DPAA_PMD_ERR("QMAN initialization failed: %d",
 501                                      ret);
 502                         return ret;
 503                 }
 504                 ret = bman_global_init();
 505                 if (ret) {
 506                         DPAA_PMD_ERR("BMAN initialization failed: %d",
 507                                      ret);
 508                         return ret;
 509                 }
 510
 511                 is_global_init = 1;
 512         }
 513
 514         ret = rte_dpaa_portal_init((void *)1);
 515         if (ret) {
 516                 DPAA_PMD_ERR("Unable to initialize portal");
 517                 return ret;
 518         }
 519
 520         eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
 521         if (eth_dev == NULL)
 522                 return -ENOMEM;
 523
 524         eth_dev->data->dev_private = rte_zmalloc(
 525                                         "ethdev private structure",
 526                                         sizeof(struct dpaa_if),
 527                                         RTE_CACHE_LINE_SIZE);
 528         if (!eth_dev->data->dev_private) {
 529                 DPAA_PMD_ERR("Cannot allocate memzone for port data");
 530                 rte_eth_dev_release_port(eth_dev);
 531                 return -ENOMEM;
 532         }
 533
 534         eth_dev->device = &dpaa_dev->device;
 535         eth_dev->device->driver = &dpaa_drv->driver;
 536         dpaa_dev->eth_dev = eth_dev;
 537
 538         /* Invoke PMD device initialization function */
 539         diag = dpaa_dev_init(eth_dev);
 540         if (diag == 0)
 541                 return 0;
 542
 543         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 544                 rte_free(eth_dev->data->dev_private);
 545
 546         rte_eth_dev_release_port(eth_dev);
 547         return diag;
 548 }
 549
 550 static int
 551 rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
 552 {
 553         struct rte_eth_dev *eth_dev;
 554
 555         PMD_INIT_FUNC_TRACE();
 556
 557         eth_dev = dpaa_dev->eth_dev;
 558         dpaa_dev_uninit(eth_dev);
 559
 560         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 561                 rte_free(eth_dev->data->dev_private);
 562
 563         rte_eth_dev_release_port(eth_dev);
 564
 565         return 0;
 566 }
 567
 568 static struct rte_dpaa_driver rte_dpaa_pmd = {
 569         .drv_type = FSL_DPAA_ETH,
 570         .probe = rte_dpaa_probe,
 571         .remove = rte_dpaa_remove,
 572 };
 573
 574 RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);