drivers/net/dpaa2/dpaa2_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright (c) 2016 NXP. 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 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
  34 #include <time.h>
  35 #include <net/if.h>
  36
  37 #include <rte_mbuf.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_memcpy.h>
  41 #include <rte_string_fns.h>
  42 #include <rte_cycles.h>
  43 #include <rte_kvargs.h>
  44 #include <rte_dev.h>
  45 #include <rte_ethdev.h>
  46 #include <rte_fslmc.h>
  47
  48 #include <fslmc_logs.h>
  49 #include <fslmc_vfio.h>
  50 #include <dpaa2_hw_pvt.h>
  51
  52 #include "dpaa2_ethdev.h"
  53
  54 static struct rte_dpaa2_driver rte_dpaa2_pmd;
  55
  56 static void
  57 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
  58 {
  59         struct dpaa2_dev_priv *priv = dev->data->dev_private;
  60
  61         PMD_INIT_FUNC_TRACE();
  62
  63         dev_info->if_index = priv->hw_id;
  64
  65         dev_info->max_mac_addrs = priv->max_mac_filters;
  66         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
  67         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
  68
  69         dev_info->speed_capa = ETH_LINK_SPEED_1G |
  70                         ETH_LINK_SPEED_2_5G |
  71                         ETH_LINK_SPEED_10G;
  72 }
  73
  74 static int
  75 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
  76 {
  77         struct dpaa2_dev_priv *priv = dev->data->dev_private;
  78         uint16_t dist_idx;
  79         uint32_t vq_id;
  80         struct dpaa2_queue *mc_q, *mcq;
  81         uint32_t tot_queues;
  82         int i;
  83         struct dpaa2_queue *dpaa2_q;
  84
  85         PMD_INIT_FUNC_TRACE();
  86
  87         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
  88         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
  89                           RTE_CACHE_LINE_SIZE);
  90         if (!mc_q) {
  91                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
  92                 return -1;
  93         }
  94
  95         for (i = 0; i < priv->nb_rx_queues; i++) {
  96                 mc_q->dev = dev;
  97                 priv->rx_vq[i] = mc_q++;
  98                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
  99                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 100                                         sizeof(struct queue_storage_info_t),
 101                                         RTE_CACHE_LINE_SIZE);
 102                 if (!dpaa2_q->q_storage)
 103                         goto fail;
 104
 105                 memset(dpaa2_q->q_storage, 0,
 106                        sizeof(struct queue_storage_info_t));
 107                 dpaa2_q->q_storage->dq_storage[0] = rte_malloc(NULL,
 108                         DPAA2_DQRR_RING_SIZE * sizeof(struct qbman_result),
 109                         RTE_CACHE_LINE_SIZE);
 110         }
 111
 112         for (i = 0; i < priv->nb_tx_queues; i++) {
 113                 mc_q->dev = dev;
 114                 mc_q->flow_id = DPNI_NEW_FLOW_ID;
 115                 priv->tx_vq[i] = mc_q++;
 116         }
 117
 118         vq_id = 0;
 119         for (dist_idx = 0; dist_idx < priv->num_dist_per_tc[DPAA2_DEF_TC];
 120              dist_idx++) {
 121                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 122                 mcq->tc_index = DPAA2_DEF_TC;
 123                 mcq->flow_id = dist_idx;
 124                 vq_id++;
 125         }
 126
 127         return 0;
 128 fail:
 129         i -= 1;
 130         mc_q = priv->rx_vq[0];
 131         while (i >= 0) {
 132                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 133                 rte_free(dpaa2_q->q_storage->dq_storage[0]);
 134                 rte_free(dpaa2_q->q_storage);
 135                 priv->rx_vq[i--] = NULL;
 136         }
 137         rte_free(mc_q);
 138         return -1;
 139 }
 140
 141 static int
 142 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 143 {
 144         struct rte_eth_dev_data *data = dev->data;
 145         struct rte_eth_conf *eth_conf = &data->dev_conf;
 146         int ret;
 147
 148         PMD_INIT_FUNC_TRACE();
 149
 150         /* Check for correct configuration */
 151         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 152             data->nb_rx_queues > 1) {
 153                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 154                             "but Rx queues more than 1\n");
 155                 return -1;
 156         }
 157
 158         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 159                 /* Return in case number of Rx queues is 1 */
 160                 if (data->nb_rx_queues == 1)
 161                         return 0;
 162                 ret = dpaa2_setup_flow_dist(dev,
 163                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 164                 if (ret) {
 165                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 166                                      "please check queue config\n");
 167                         return ret;
 168                 }
 169         }
 170         return 0;
 171 }
 172
 173 /* Function to setup RX flow information. It contains traffic class ID,
 174  * flow ID, destination configuration etc.
 175  */
 176 static int
 177 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 178                          uint16_t rx_queue_id,
 179                          uint16_t nb_rx_desc __rte_unused,
 180                          unsigned int socket_id __rte_unused,
 181                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 182                          struct rte_mempool *mb_pool)
 183 {
 184         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 185         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 186         struct dpaa2_queue *dpaa2_q;
 187         struct dpni_queue cfg;
 188         uint8_t options = 0;
 189         uint8_t flow_id;
 190         int ret;
 191
 192         PMD_INIT_FUNC_TRACE();
 193
 194         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 195                      dev, rx_queue_id, mb_pool, rx_conf);
 196
 197         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 198         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 199
 200         /*Get the tc id and flow id from given VQ id*/
 201         flow_id = rx_queue_id % priv->num_dist_per_tc[dpaa2_q->tc_index];
 202         memset(&cfg, 0, sizeof(struct dpni_queue));
 203
 204         options = options | DPNI_QUEUE_OPT_USER_CTX;
 205         cfg.user_context = (uint64_t)(dpaa2_q);
 206
 207         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 208                              dpaa2_q->tc_index, flow_id, options, &cfg);
 209         if (ret) {
 210                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 211                 return -1;
 212         }
 213
 214         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 215         return 0;
 216 }
 217
 218 static int
 219 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 220                          uint16_t tx_queue_id,
 221                          uint16_t nb_tx_desc __rte_unused,
 222                          unsigned int socket_id __rte_unused,
 223                          const struct rte_eth_txconf *tx_conf __rte_unused)
 224 {
 225         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 226         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 227                 priv->tx_vq[tx_queue_id];
 228         struct fsl_mc_io *dpni = priv->hw;
 229         struct dpni_queue tx_conf_cfg;
 230         struct dpni_queue tx_flow_cfg;
 231         uint8_t options = 0, flow_id;
 232         uint32_t tc_id;
 233         int ret;
 234
 235         PMD_INIT_FUNC_TRACE();
 236
 237         /* Return if queue already configured */
 238         if (dpaa2_q->flow_id != DPNI_NEW_FLOW_ID)
 239                 return 0;
 240
 241         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 242         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 243
 244         tc_id = 0;
 245         flow_id = tx_queue_id;
 246
 247         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 248                              tc_id, flow_id, options, &tx_flow_cfg);
 249         if (ret) {
 250                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 251                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 252                              tc_id, flow_id, -ret);
 253                         return -1;
 254         }
 255
 256         dpaa2_q->flow_id = flow_id;
 257
 258         if (tx_queue_id == 0) {
 259                 /*Set tx-conf and error configuration*/
 260                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 261                                                     priv->token,
 262                                                     DPNI_CONF_DISABLE);
 263                 if (ret) {
 264                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 265                                      " ErrorCode = %x", ret);
 266                         return -1;
 267                 }
 268         }
 269         dpaa2_q->tc_index = tc_id;
 270
 271         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 272         return 0;
 273 }
 274
 275 static void
 276 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 277 {
 278         PMD_INIT_FUNC_TRACE();
 279 }
 280
 281 static void
 282 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 283 {
 284         PMD_INIT_FUNC_TRACE();
 285 }
 286
 287 static int
 288 dpaa2_dev_start(struct rte_eth_dev *dev)
 289 {
 290         struct rte_eth_dev_data *data = dev->data;
 291         struct dpaa2_dev_priv *priv = data->dev_private;
 292         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 293         struct dpni_queue cfg;
 294         uint16_t qdid;
 295         struct dpni_queue_id qid;
 296         struct dpaa2_queue *dpaa2_q;
 297         int ret, i;
 298
 299         PMD_INIT_FUNC_TRACE();
 300
 301         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 302         if (ret) {
 303                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 304                              ret, priv->hw_id);
 305                 return ret;
 306         }
 307
 308         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 309                             DPNI_QUEUE_TX, &qdid);
 310         if (ret) {
 311                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 312                 return ret;
 313         }
 314         priv->qdid = qdid;
 315
 316         for (i = 0; i < data->nb_rx_queues; i++) {
 317                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 318                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 319                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 320                                        dpaa2_q->flow_id, &cfg, &qid);
 321                 if (ret) {
 322                         PMD_INIT_LOG(ERR, "Error to get flow "
 323                                      "information Error code = %d\n", ret);
 324                         return ret;
 325                 }
 326                 dpaa2_q->fqid = qid.fqid;
 327         }
 328
 329         return 0;
 330 }
 331
 332 /**
 333  *  This routine disables all traffic on the adapter by issuing a
 334  *  global reset on the MAC.
 335  */
 336 static void
 337 dpaa2_dev_stop(struct rte_eth_dev *dev)
 338 {
 339         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 340         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 341         int ret;
 342
 343         PMD_INIT_FUNC_TRACE();
 344
 345         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 346         if (ret) {
 347                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 348                              ret, priv->hw_id);
 349                 return;
 350         }
 351 }
 352
 353 static void
 354 dpaa2_dev_close(struct rte_eth_dev *dev)
 355 {
 356         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 357         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 358         int ret;
 359
 360         PMD_INIT_FUNC_TRACE();
 361
 362         /* Clean the device first */
 363         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 364         if (ret) {
 365                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 366                              " error code %d\n", ret);
 367                 return;
 368         }
 369 }
 370
 371 static struct eth_dev_ops dpaa2_ethdev_ops = {
 372         .dev_configure    = dpaa2_eth_dev_configure,
 373         .dev_start            = dpaa2_dev_start,
 374         .dev_stop             = dpaa2_dev_stop,
 375         .dev_close            = dpaa2_dev_close,
 376         .dev_infos_get     = dpaa2_dev_info_get,
 377         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
 378         .rx_queue_release  = dpaa2_dev_rx_queue_release,
 379         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
 380         .tx_queue_release  = dpaa2_dev_tx_queue_release,
 381 };
 382
 383 static int
 384 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 385 {
 386         struct rte_device *dev = eth_dev->device;
 387         struct rte_dpaa2_device *dpaa2_dev;
 388         struct fsl_mc_io *dpni_dev;
 389         struct dpni_attr attr;
 390         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 391         int i, ret, hw_id;
 392
 393         PMD_INIT_FUNC_TRACE();
 394
 395         /* For secondary processes, the primary has done all the work */
 396         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 397                 return 0;
 398
 399         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
 400
 401         hw_id = dpaa2_dev->object_id;
 402
 403         dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
 404         if (!dpni_dev) {
 405                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
 406                 return -1;
 407         }
 408
 409         dpni_dev->regs = rte_mcp_ptr_list[0];
 410         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
 411         if (ret) {
 412                 PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with"
 413                         " error code %d\n", hw_id, ret);
 414                 return -1;
 415         }
 416
 417         /* Clean the device first */
 418         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
 419         if (ret) {
 420                 PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with"
 421                         " error code %d\n", hw_id, ret);
 422                 return -1;
 423         }
 424
 425         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
 426         if (ret) {
 427                 PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, "
 428                         " error code %d\n", hw_id, ret);
 429                 return -1;
 430         }
 431
 432         priv->num_tc = attr.num_tcs;
 433         for (i = 0; i < attr.num_tcs; i++) {
 434                 priv->num_dist_per_tc[i] = attr.num_queues;
 435                 break;
 436         }
 437
 438         /* Distribution is per Tc only,
 439          * so choosing RX queues from default TC only
 440          */
 441         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
 442
 443         priv->nb_tx_queues = attr.num_queues;
 444
 445         priv->hw = dpni_dev;
 446         priv->hw_id = hw_id;
 447         priv->options = attr.options;
 448         priv->max_mac_filters = attr.mac_filter_entries;
 449         priv->max_vlan_filters = attr.vlan_filter_entries;
 450         priv->flags = 0;
 451
 452         /* Allocate memory for hardware structure for queues */
 453         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
 454         if (ret) {
 455                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
 456                 return -ret;
 457         }
 458
 459         /* Allocate memory for storing MAC addresses */
 460         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
 461                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
 462         if (eth_dev->data->mac_addrs == NULL) {
 463                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 464                                                 "store MAC addresses",
 465                                 ETHER_ADDR_LEN * attr.mac_filter_entries);
 466                 return -ENOMEM;
 467         }
 468
 469         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
 470                                         priv->token,
 471                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
 472         if (ret) {
 473                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:"
 474                                         " Error Code = %d\n", ret);
 475                 return -ret;
 476         }
 477
 478         eth_dev->dev_ops = &dpaa2_ethdev_ops;
 479         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 480
 481         return 0;
 482 }
 483
 484 static int
 485 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 486 {
 487         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 488         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 489         int i, ret;
 490         struct dpaa2_queue *dpaa2_q;
 491
 492         PMD_INIT_FUNC_TRACE();
 493
 494         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 495                 return -EPERM;
 496
 497         if (!dpni) {
 498                 PMD_INIT_LOG(WARNING, "Already closed or not started");
 499                 return -1;
 500         }
 501
 502         dpaa2_dev_close(eth_dev);
 503
 504         if (priv->rx_vq[0]) {
 505                 /* cleaning up queue storage */
 506                 for (i = 0; i < priv->nb_rx_queues; i++) {
 507                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 508                         if (dpaa2_q->q_storage)
 509                                 rte_free(dpaa2_q->q_storage);
 510                 }
 511                 /*free the all queue memory */
 512                 rte_free(priv->rx_vq[0]);
 513                 priv->rx_vq[0] = NULL;
 514         }
 515
 516         /* Allocate memory for storing MAC addresses */
 517         if (eth_dev->data->mac_addrs) {
 518                 rte_free(eth_dev->data->mac_addrs);
 519                 eth_dev->data->mac_addrs = NULL;
 520         }
 521
 522         /*Close the device at underlying layer*/
 523         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
 524         if (ret) {
 525                 PMD_INIT_LOG(ERR, "Failure closing dpni device with"
 526                         " error code %d\n", ret);
 527         }
 528
 529         /*Free the allocated memory for ethernet private data and dpni*/
 530         priv->hw = NULL;
 531         free(dpni);
 532
 533         eth_dev->dev_ops = NULL;
 534
 535         return 0;
 536 }
 537
 538 static int
 539 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
 540                 struct rte_dpaa2_device *dpaa2_dev)
 541 {
 542         struct rte_eth_dev *eth_dev;
 543         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 544
 545         int diag;
 546
 547         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
 548
 549         eth_dev = rte_eth_dev_allocate(ethdev_name);
 550         if (eth_dev == NULL)
 551                 return -ENOMEM;
 552
 553         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 554                 eth_dev->data->dev_private = rte_zmalloc(
 555                                                 "ethdev private structure",
 556                                                 sizeof(struct dpaa2_dev_priv),
 557                                                 RTE_CACHE_LINE_SIZE);
 558                 if (eth_dev->data->dev_private == NULL) {
 559                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
 560                                      " private port data\n");
 561                         rte_eth_dev_release_port(eth_dev);
 562                         return -ENOMEM;
 563                 }
 564         }
 565         eth_dev->device = &dpaa2_dev->device;
 566         dpaa2_dev->eth_dev = eth_dev;
 567         eth_dev->data->rx_mbuf_alloc_failed = 0;
 568
 569         /* Invoke PMD device initialization function */
 570         diag = dpaa2_dev_init(eth_dev);
 571         if (diag == 0)
 572                 return 0;
 573
 574         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 575                 rte_free(eth_dev->data->dev_private);
 576         rte_eth_dev_release_port(eth_dev);
 577         return diag;
 578 }
 579
 580 static int
 581 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
 582 {
 583         struct rte_eth_dev *eth_dev;
 584
 585         eth_dev = dpaa2_dev->eth_dev;
 586         dpaa2_dev_uninit(eth_dev);
 587
 588         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 589                 rte_free(eth_dev->data->dev_private);
 590         rte_eth_dev_release_port(eth_dev);
 591
 592         return 0;
 593 }
 594
 595 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
 596         .drv_type = DPAA2_MC_DPNI_DEVID,
 597         .probe = rte_dpaa2_probe,
 598         .remove = rte_dpaa2_remove,
 599 };
 600
 601 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);