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 void dpaa_eth_dev_info(struct rte_eth_dev *dev,
 146                               struct rte_eth_dev_info *dev_info)
 147 {
 148         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 149
 150         PMD_INIT_FUNC_TRACE();
 151
 152         dev_info->max_rx_queues = dpaa_intf->nb_rx_queues;
 153         dev_info->max_tx_queues = dpaa_intf->nb_tx_queues;
 154         dev_info->min_rx_bufsize = DPAA_MIN_RX_BUF_SIZE;
 155         dev_info->max_rx_pktlen = DPAA_MAX_RX_PKT_LEN;
 156         dev_info->max_mac_addrs = DPAA_MAX_MAC_FILTER;
 157         dev_info->max_hash_mac_addrs = 0;
 158         dev_info->max_vfs = 0;
 159         dev_info->max_vmdq_pools = ETH_16_POOLS;
 160         dev_info->speed_capa = (ETH_LINK_SPEED_1G |
 161                                 ETH_LINK_SPEED_10G);
 162 }
 163
 164 static int dpaa_eth_link_update(struct rte_eth_dev *dev,
 165                                 int wait_to_complete __rte_unused)
 166 {
 167         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 168         struct rte_eth_link *link = &dev->data->dev_link;
 169
 170         PMD_INIT_FUNC_TRACE();
 171
 172         if (dpaa_intf->fif->mac_type == fman_mac_1g)
 173                 link->link_speed = 1000;
 174         else if (dpaa_intf->fif->mac_type == fman_mac_10g)
 175                 link->link_speed = 10000;
 176         else
 177                 DPAA_PMD_ERR("invalid link_speed: %s, %d",
 178                              dpaa_intf->name, dpaa_intf->fif->mac_type);
 179
 180         link->link_status = dpaa_intf->valid;
 181         link->link_duplex = ETH_LINK_FULL_DUPLEX;
 182         link->link_autoneg = ETH_LINK_AUTONEG;
 183         return 0;
 184 }
 185
 186 static
 187 int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 188                             uint16_t nb_desc __rte_unused,
 189                             unsigned int socket_id __rte_unused,
 190                             const struct rte_eth_rxconf *rx_conf __rte_unused,
 191                             struct rte_mempool *mp)
 192 {
 193         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 194
 195         PMD_INIT_FUNC_TRACE();
 196
 197         DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx);
 198
 199         if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) {
 200                 struct fman_if_ic_params icp;
 201                 uint32_t fd_offset;
 202                 uint32_t bp_size;
 203
 204                 if (!mp->pool_data) {
 205                         DPAA_PMD_ERR("Not an offloaded buffer pool!");
 206                         return -1;
 207                 }
 208                 dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
 209
 210                 memset(&icp, 0, sizeof(icp));
 211                 /* set ICEOF for to the default value , which is 0*/
 212                 icp.iciof = DEFAULT_ICIOF;
 213                 icp.iceof = DEFAULT_RX_ICEOF;
 214                 icp.icsz = DEFAULT_ICSZ;
 215                 fman_if_set_ic_params(dpaa_intf->fif, &icp);
 216
 217                 fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE;
 218                 fman_if_set_fdoff(dpaa_intf->fif, fd_offset);
 219
 220                 /* Buffer pool size should be equal to Dataroom Size*/
 221                 bp_size = rte_pktmbuf_data_room_size(mp);
 222                 fman_if_set_bp(dpaa_intf->fif, mp->size,
 223                                dpaa_intf->bp_info->bpid, bp_size);
 224                 dpaa_intf->valid = 1;
 225                 DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d",
 226                             dpaa_intf->name, fd_offset,
 227                         fman_if_get_fdoff(dpaa_intf->fif));
 228         }
 229         dev->data->rx_queues[queue_idx] = &dpaa_intf->rx_queues[queue_idx];
 230
 231         return 0;
 232 }
 233
 234 static
 235 void dpaa_eth_rx_queue_release(void *rxq __rte_unused)
 236 {
 237         PMD_INIT_FUNC_TRACE();
 238 }
 239
 240 static
 241 int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 242                             uint16_t nb_desc __rte_unused,
 243                 unsigned int socket_id __rte_unused,
 244                 const struct rte_eth_txconf *tx_conf __rte_unused)
 245 {
 246         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 247
 248         PMD_INIT_FUNC_TRACE();
 249
 250         DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx);
 251         dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx];
 252         return 0;
 253 }
 254
 255 static void dpaa_eth_tx_queue_release(void *txq __rte_unused)
 256 {
 257         PMD_INIT_FUNC_TRACE();
 258 }
 259
 260 static int dpaa_link_down(struct rte_eth_dev *dev)
 261 {
 262         PMD_INIT_FUNC_TRACE();
 263
 264         dpaa_eth_dev_stop(dev);
 265         return 0;
 266 }
 267
 268 static int dpaa_link_up(struct rte_eth_dev *dev)
 269 {
 270         PMD_INIT_FUNC_TRACE();
 271
 272         dpaa_eth_dev_start(dev);
 273         return 0;
 274 }
 275
 276 static struct eth_dev_ops dpaa_devops = {
 277         .dev_configure            = dpaa_eth_dev_configure,
 278         .dev_start                = dpaa_eth_dev_start,
 279         .dev_stop                 = dpaa_eth_dev_stop,
 280         .dev_close                = dpaa_eth_dev_close,
 281         .dev_infos_get            = dpaa_eth_dev_info,
 282
 283         .rx_queue_setup           = dpaa_eth_rx_queue_setup,
 284         .tx_queue_setup           = dpaa_eth_tx_queue_setup,
 285         .rx_queue_release         = dpaa_eth_rx_queue_release,
 286         .tx_queue_release         = dpaa_eth_tx_queue_release,
 287
 288         .link_update              = dpaa_eth_link_update,
 289         .mtu_set                  = dpaa_mtu_set,
 290         .dev_set_link_down        = dpaa_link_down,
 291         .dev_set_link_up          = dpaa_link_up,
 292 };
 293
 294 /* Initialise an Rx FQ */
 295 static int dpaa_rx_queue_init(struct qman_fq *fq,
 296                               uint32_t fqid)
 297 {
 298         struct qm_mcc_initfq opts;
 299         int ret;
 300
 301         PMD_INIT_FUNC_TRACE();
 302
 303         ret = qman_reserve_fqid(fqid);
 304         if (ret) {
 305                 DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d",
 306                              fqid, ret);
 307                 return -EINVAL;
 308         }
 309
 310         DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid);
 311         ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
 312         if (ret) {
 313                 DPAA_PMD_ERR("create rx fqid %d failed with ret: %d",
 314                         fqid, ret);
 315                 return ret;
 316         }
 317
 318         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 319                        QM_INITFQ_WE_CONTEXTA;
 320
 321         opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY;
 322         opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING |
 323                            QM_FQCTRL_PREFERINCACHE;
 324         opts.fqd.context_a.stashing.exclusive = 0;
 325         opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH;
 326         opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH;
 327         opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH;
 328
 329         /*Enable tail drop */
 330         opts.we_mask = opts.we_mask | QM_INITFQ_WE_TDTHRESH;
 331         opts.fqd.fq_ctrl = opts.fqd.fq_ctrl | QM_FQCTRL_TDE;
 332         qm_fqd_taildrop_set(&opts.fqd.td, CONG_THRESHOLD_RX_Q, 1);
 333
 334         ret = qman_init_fq(fq, 0, &opts);
 335         if (ret)
 336                 DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret);
 337         return ret;
 338 }
 339
 340 /* Initialise a Tx FQ */
 341 static int dpaa_tx_queue_init(struct qman_fq *fq,
 342                               struct fman_if *fman_intf)
 343 {
 344         struct qm_mcc_initfq opts;
 345         int ret;
 346
 347         PMD_INIT_FUNC_TRACE();
 348
 349         ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID |
 350                              QMAN_FQ_FLAG_TO_DCPORTAL, fq);
 351         if (ret) {
 352                 DPAA_PMD_ERR("create tx fq failed with ret: %d", ret);
 353                 return ret;
 354         }
 355         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 356                        QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA;
 357         opts.fqd.dest.channel = fman_intf->tx_channel_id;
 358         opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY;
 359         opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE;
 360         opts.fqd.context_b = 0;
 361         /* no tx-confirmation */
 362         opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi;
 363         opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo;
 364         DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid);
 365         ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts);
 366         if (ret)
 367                 DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret);
 368         return ret;
 369 }
 370
 371 /* Initialise a network interface */
 372 static int
 373 dpaa_dev_init(struct rte_eth_dev *eth_dev)
 374 {
 375         int num_cores, num_rx_fqs, fqid;
 376         int loop, ret = 0;
 377         int dev_id;
 378         struct rte_dpaa_device *dpaa_device;
 379         struct dpaa_if *dpaa_intf;
 380         struct fm_eth_port_cfg *cfg;
 381         struct fman_if *fman_intf;
 382         struct fman_if_bpool *bp, *tmp_bp;
 383
 384         PMD_INIT_FUNC_TRACE();
 385
 386         /* For secondary processes, the primary has done all the work */
 387         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 388                 return 0;
 389
 390         dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
 391         dev_id = dpaa_device->id.dev_id;
 392         dpaa_intf = eth_dev->data->dev_private;
 393         cfg = &dpaa_netcfg->port_cfg[dev_id];
 394         fman_intf = cfg->fman_if;
 395
 396         dpaa_intf->name = dpaa_device->name;
 397
 398         /* save fman_if & cfg in the interface struture */
 399         dpaa_intf->fif = fman_intf;
 400         dpaa_intf->ifid = dev_id;
 401         dpaa_intf->cfg = cfg;
 402
 403         /* Initialize Rx FQ's */
 404         if (getenv("DPAA_NUM_RX_QUEUES"))
 405                 num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES"));
 406         else
 407                 num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES;
 408
 409         /* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX
 410          * queues.
 411          */
 412         if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) {
 413                 DPAA_PMD_ERR("Invalid number of RX queues\n");
 414                 return -EINVAL;
 415         }
 416
 417         dpaa_intf->rx_queues = rte_zmalloc(NULL,
 418                 sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE);
 419         for (loop = 0; loop < num_rx_fqs; loop++) {
 420                 fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid *
 421                         DPAA_PCD_FQID_MULTIPLIER + loop;
 422                 ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop], fqid);
 423                 if (ret)
 424                         return ret;
 425                 dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf;
 426         }
 427         dpaa_intf->nb_rx_queues = num_rx_fqs;
 428
 429         /* Initialise Tx FQs. Have as many Tx FQ's as number of cores */
 430         num_cores = rte_lcore_count();
 431         dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) *
 432                 num_cores, MAX_CACHELINE);
 433         if (!dpaa_intf->tx_queues)
 434                 return -ENOMEM;
 435
 436         for (loop = 0; loop < num_cores; loop++) {
 437                 ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop],
 438                                          fman_intf);
 439                 if (ret)
 440                         return ret;
 441                 dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf;
 442         }
 443         dpaa_intf->nb_tx_queues = num_cores;
 444
 445         DPAA_PMD_DEBUG("All frame queues created");
 446
 447         /* reset bpool list, initialize bpool dynamically */
 448         list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {
 449                 list_del(&bp->node);
 450                 rte_free(bp);
 451         }
 452
 453         /* Populate ethdev structure */
 454         eth_dev->dev_ops = &dpaa_devops;
 455         eth_dev->rx_pkt_burst = dpaa_eth_queue_rx;
 456         eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
 457
 458         /* Allocate memory for storing MAC addresses */
 459         eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
 460                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0);
 461         if (eth_dev->data->mac_addrs == NULL) {
 462                 DPAA_PMD_ERR("Failed to allocate %d bytes needed to "
 463                                                 "store MAC addresses",
 464                                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER);
 465                 rte_free(dpaa_intf->rx_queues);
 466                 rte_free(dpaa_intf->tx_queues);
 467                 dpaa_intf->rx_queues = NULL;
 468                 dpaa_intf->tx_queues = NULL;
 469                 dpaa_intf->nb_rx_queues = 0;
 470                 dpaa_intf->nb_tx_queues = 0;
 471                 return -ENOMEM;
 472         }
 473
 474         /* copy the primary mac address */
 475         ether_addr_copy(&fman_intf->mac_addr, &eth_dev->data->mac_addrs[0]);
 476
 477         RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n",
 478                 dpaa_device->name,
 479                 fman_intf->mac_addr.addr_bytes[0],
 480                 fman_intf->mac_addr.addr_bytes[1],
 481                 fman_intf->mac_addr.addr_bytes[2],
 482                 fman_intf->mac_addr.addr_bytes[3],
 483                 fman_intf->mac_addr.addr_bytes[4],
 484                 fman_intf->mac_addr.addr_bytes[5]);
 485
 486         /* Disable RX mode */
 487         fman_if_discard_rx_errors(fman_intf);
 488         fman_if_disable_rx(fman_intf);
 489         /* Disable promiscuous mode */
 490         fman_if_promiscuous_disable(fman_intf);
 491         /* Disable multicast */
 492         fman_if_reset_mcast_filter_table(fman_intf);
 493         /* Reset interface statistics */
 494         fman_if_stats_reset(fman_intf);
 495
 496         return 0;
 497 }
 498
 499 static int
 500 dpaa_dev_uninit(struct rte_eth_dev *dev)
 501 {
 502         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 503
 504         PMD_INIT_FUNC_TRACE();
 505
 506         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 507                 return -EPERM;
 508
 509         if (!dpaa_intf) {
 510                 DPAA_PMD_WARN("Already closed or not started");
 511                 return -1;
 512         }
 513
 514         dpaa_eth_dev_close(dev);
 515
 516         /* release configuration memory */
 517         if (dpaa_intf->fc_conf)
 518                 rte_free(dpaa_intf->fc_conf);
 519
 520         rte_free(dpaa_intf->rx_queues);
 521         dpaa_intf->rx_queues = NULL;
 522
 523         rte_free(dpaa_intf->tx_queues);
 524         dpaa_intf->tx_queues = NULL;
 525
 526         /* free memory for storing MAC addresses */
 527         rte_free(dev->data->mac_addrs);
 528         dev->data->mac_addrs = NULL;
 529
 530         dev->dev_ops = NULL;
 531         dev->rx_pkt_burst = NULL;
 532         dev->tx_pkt_burst = NULL;
 533
 534         return 0;
 535 }
 536
 537 static int
 538 rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
 539                struct rte_dpaa_device *dpaa_dev)
 540 {
 541         int diag;
 542         int ret;
 543         struct rte_eth_dev *eth_dev;
 544
 545         PMD_INIT_FUNC_TRACE();
 546
 547         /* In case of secondary process, the device is already configured
 548          * and no further action is required, except portal initialization
 549          * and verifying secondary attachment to port name.
 550          */
 551         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 552                 eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
 553                 if (!eth_dev)
 554                         return -ENOMEM;
 555                 return 0;
 556         }
 557
 558         if (!is_global_init) {
 559                 /* One time load of Qman/Bman drivers */
 560                 ret = qman_global_init();
 561                 if (ret) {
 562                         DPAA_PMD_ERR("QMAN initialization failed: %d",
 563                                      ret);
 564                         return ret;
 565                 }
 566                 ret = bman_global_init();
 567                 if (ret) {
 568                         DPAA_PMD_ERR("BMAN initialization failed: %d",
 569                                      ret);
 570                         return ret;
 571                 }
 572
 573                 is_global_init = 1;
 574         }
 575
 576         ret = rte_dpaa_portal_init((void *)1);
 577         if (ret) {
 578                 DPAA_PMD_ERR("Unable to initialize portal");
 579                 return ret;
 580         }
 581
 582         eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
 583         if (eth_dev == NULL)
 584                 return -ENOMEM;
 585
 586         eth_dev->data->dev_private = rte_zmalloc(
 587                                         "ethdev private structure",
 588                                         sizeof(struct dpaa_if),
 589                                         RTE_CACHE_LINE_SIZE);
 590         if (!eth_dev->data->dev_private) {
 591                 DPAA_PMD_ERR("Cannot allocate memzone for port data");
 592                 rte_eth_dev_release_port(eth_dev);
 593                 return -ENOMEM;
 594         }
 595
 596         eth_dev->device = &dpaa_dev->device;
 597         eth_dev->device->driver = &dpaa_drv->driver;
 598         dpaa_dev->eth_dev = eth_dev;
 599
 600         /* Invoke PMD device initialization function */
 601         diag = dpaa_dev_init(eth_dev);
 602         if (diag == 0)
 603                 return 0;
 604
 605         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 606                 rte_free(eth_dev->data->dev_private);
 607
 608         rte_eth_dev_release_port(eth_dev);
 609         return diag;
 610 }
 611
 612 static int
 613 rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
 614 {
 615         struct rte_eth_dev *eth_dev;
 616
 617         PMD_INIT_FUNC_TRACE();
 618
 619         eth_dev = dpaa_dev->eth_dev;
 620         dpaa_dev_uninit(eth_dev);
 621
 622         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 623                 rte_free(eth_dev->data->dev_private);
 624
 625         rte_eth_dev_release_port(eth_dev);
 626
 627         return 0;
 628 }
 629
 630 static struct rte_dpaa_driver rte_dpaa_pmd = {
 631         .drv_type = FSL_DPAA_ETH,
 632         .probe = rte_dpaa_probe,
 633         .remove = rte_dpaa_remove,
 634 };
 635
 636 RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);