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
 187 static void dpaa_eth_promiscuous_enable(struct rte_eth_dev *dev)
 188 {
 189         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 190
 191         PMD_INIT_FUNC_TRACE();
 192
 193         fman_if_promiscuous_enable(dpaa_intf->fif);
 194 }
 195
 196 static void dpaa_eth_promiscuous_disable(struct rte_eth_dev *dev)
 197 {
 198         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 199
 200         PMD_INIT_FUNC_TRACE();
 201
 202         fman_if_promiscuous_disable(dpaa_intf->fif);
 203 }
 204
 205 static
 206 int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 207                             uint16_t nb_desc __rte_unused,
 208                             unsigned int socket_id __rte_unused,
 209                             const struct rte_eth_rxconf *rx_conf __rte_unused,
 210                             struct rte_mempool *mp)
 211 {
 212         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 213
 214         PMD_INIT_FUNC_TRACE();
 215
 216         DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx);
 217
 218         if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) {
 219                 struct fman_if_ic_params icp;
 220                 uint32_t fd_offset;
 221                 uint32_t bp_size;
 222
 223                 if (!mp->pool_data) {
 224                         DPAA_PMD_ERR("Not an offloaded buffer pool!");
 225                         return -1;
 226                 }
 227                 dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
 228
 229                 memset(&icp, 0, sizeof(icp));
 230                 /* set ICEOF for to the default value , which is 0*/
 231                 icp.iciof = DEFAULT_ICIOF;
 232                 icp.iceof = DEFAULT_RX_ICEOF;
 233                 icp.icsz = DEFAULT_ICSZ;
 234                 fman_if_set_ic_params(dpaa_intf->fif, &icp);
 235
 236                 fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE;
 237                 fman_if_set_fdoff(dpaa_intf->fif, fd_offset);
 238
 239                 /* Buffer pool size should be equal to Dataroom Size*/
 240                 bp_size = rte_pktmbuf_data_room_size(mp);
 241                 fman_if_set_bp(dpaa_intf->fif, mp->size,
 242                                dpaa_intf->bp_info->bpid, bp_size);
 243                 dpaa_intf->valid = 1;
 244                 DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d",
 245                             dpaa_intf->name, fd_offset,
 246                         fman_if_get_fdoff(dpaa_intf->fif));
 247         }
 248         dev->data->rx_queues[queue_idx] = &dpaa_intf->rx_queues[queue_idx];
 249
 250         return 0;
 251 }
 252
 253 static
 254 void dpaa_eth_rx_queue_release(void *rxq __rte_unused)
 255 {
 256         PMD_INIT_FUNC_TRACE();
 257 }
 258
 259 static
 260 int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 261                             uint16_t nb_desc __rte_unused,
 262                 unsigned int socket_id __rte_unused,
 263                 const struct rte_eth_txconf *tx_conf __rte_unused)
 264 {
 265         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 266
 267         PMD_INIT_FUNC_TRACE();
 268
 269         DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx);
 270         dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx];
 271         return 0;
 272 }
 273
 274 static void dpaa_eth_tx_queue_release(void *txq __rte_unused)
 275 {
 276         PMD_INIT_FUNC_TRACE();
 277 }
 278
 279 static int dpaa_link_down(struct rte_eth_dev *dev)
 280 {
 281         PMD_INIT_FUNC_TRACE();
 282
 283         dpaa_eth_dev_stop(dev);
 284         return 0;
 285 }
 286
 287 static int dpaa_link_up(struct rte_eth_dev *dev)
 288 {
 289         PMD_INIT_FUNC_TRACE();
 290
 291         dpaa_eth_dev_start(dev);
 292         return 0;
 293 }
 294
 295 static struct eth_dev_ops dpaa_devops = {
 296         .dev_configure            = dpaa_eth_dev_configure,
 297         .dev_start                = dpaa_eth_dev_start,
 298         .dev_stop                 = dpaa_eth_dev_stop,
 299         .dev_close                = dpaa_eth_dev_close,
 300         .dev_infos_get            = dpaa_eth_dev_info,
 301
 302         .rx_queue_setup           = dpaa_eth_rx_queue_setup,
 303         .tx_queue_setup           = dpaa_eth_tx_queue_setup,
 304         .rx_queue_release         = dpaa_eth_rx_queue_release,
 305         .tx_queue_release         = dpaa_eth_tx_queue_release,
 306
 307         .link_update              = dpaa_eth_link_update,
 308         .promiscuous_enable       = dpaa_eth_promiscuous_enable,
 309         .promiscuous_disable      = dpaa_eth_promiscuous_disable,
 310         .mtu_set                  = dpaa_mtu_set,
 311         .dev_set_link_down        = dpaa_link_down,
 312         .dev_set_link_up          = dpaa_link_up,
 313 };
 314
 315 /* Initialise an Rx FQ */
 316 static int dpaa_rx_queue_init(struct qman_fq *fq,
 317                               uint32_t fqid)
 318 {
 319         struct qm_mcc_initfq opts;
 320         int ret;
 321
 322         PMD_INIT_FUNC_TRACE();
 323
 324         ret = qman_reserve_fqid(fqid);
 325         if (ret) {
 326                 DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d",
 327                              fqid, ret);
 328                 return -EINVAL;
 329         }
 330
 331         DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid);
 332         ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
 333         if (ret) {
 334                 DPAA_PMD_ERR("create rx fqid %d failed with ret: %d",
 335                         fqid, ret);
 336                 return ret;
 337         }
 338
 339         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 340                        QM_INITFQ_WE_CONTEXTA;
 341
 342         opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY;
 343         opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING |
 344                            QM_FQCTRL_PREFERINCACHE;
 345         opts.fqd.context_a.stashing.exclusive = 0;
 346         opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH;
 347         opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH;
 348         opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH;
 349
 350         /*Enable tail drop */
 351         opts.we_mask = opts.we_mask | QM_INITFQ_WE_TDTHRESH;
 352         opts.fqd.fq_ctrl = opts.fqd.fq_ctrl | QM_FQCTRL_TDE;
 353         qm_fqd_taildrop_set(&opts.fqd.td, CONG_THRESHOLD_RX_Q, 1);
 354
 355         ret = qman_init_fq(fq, 0, &opts);
 356         if (ret)
 357                 DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret);
 358         return ret;
 359 }
 360
 361 /* Initialise a Tx FQ */
 362 static int dpaa_tx_queue_init(struct qman_fq *fq,
 363                               struct fman_if *fman_intf)
 364 {
 365         struct qm_mcc_initfq opts;
 366         int ret;
 367
 368         PMD_INIT_FUNC_TRACE();
 369
 370         ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID |
 371                              QMAN_FQ_FLAG_TO_DCPORTAL, fq);
 372         if (ret) {
 373                 DPAA_PMD_ERR("create tx fq failed with ret: %d", ret);
 374                 return ret;
 375         }
 376         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 377                        QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA;
 378         opts.fqd.dest.channel = fman_intf->tx_channel_id;
 379         opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY;
 380         opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE;
 381         opts.fqd.context_b = 0;
 382         /* no tx-confirmation */
 383         opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi;
 384         opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo;
 385         DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid);
 386         ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts);
 387         if (ret)
 388                 DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret);
 389         return ret;
 390 }
 391
 392 /* Initialise a network interface */
 393 static int
 394 dpaa_dev_init(struct rte_eth_dev *eth_dev)
 395 {
 396         int num_cores, num_rx_fqs, fqid;
 397         int loop, ret = 0;
 398         int dev_id;
 399         struct rte_dpaa_device *dpaa_device;
 400         struct dpaa_if *dpaa_intf;
 401         struct fm_eth_port_cfg *cfg;
 402         struct fman_if *fman_intf;
 403         struct fman_if_bpool *bp, *tmp_bp;
 404
 405         PMD_INIT_FUNC_TRACE();
 406
 407         /* For secondary processes, the primary has done all the work */
 408         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 409                 return 0;
 410
 411         dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
 412         dev_id = dpaa_device->id.dev_id;
 413         dpaa_intf = eth_dev->data->dev_private;
 414         cfg = &dpaa_netcfg->port_cfg[dev_id];
 415         fman_intf = cfg->fman_if;
 416
 417         dpaa_intf->name = dpaa_device->name;
 418
 419         /* save fman_if & cfg in the interface struture */
 420         dpaa_intf->fif = fman_intf;
 421         dpaa_intf->ifid = dev_id;
 422         dpaa_intf->cfg = cfg;
 423
 424         /* Initialize Rx FQ's */
 425         if (getenv("DPAA_NUM_RX_QUEUES"))
 426                 num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES"));
 427         else
 428                 num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES;
 429
 430         /* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX
 431          * queues.
 432          */
 433         if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) {
 434                 DPAA_PMD_ERR("Invalid number of RX queues\n");
 435                 return -EINVAL;
 436         }
 437
 438         dpaa_intf->rx_queues = rte_zmalloc(NULL,
 439                 sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE);
 440         for (loop = 0; loop < num_rx_fqs; loop++) {
 441                 fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid *
 442                         DPAA_PCD_FQID_MULTIPLIER + loop;
 443                 ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop], fqid);
 444                 if (ret)
 445                         return ret;
 446                 dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf;
 447         }
 448         dpaa_intf->nb_rx_queues = num_rx_fqs;
 449
 450         /* Initialise Tx FQs. Have as many Tx FQ's as number of cores */
 451         num_cores = rte_lcore_count();
 452         dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) *
 453                 num_cores, MAX_CACHELINE);
 454         if (!dpaa_intf->tx_queues)
 455                 return -ENOMEM;
 456
 457         for (loop = 0; loop < num_cores; loop++) {
 458                 ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop],
 459                                          fman_intf);
 460                 if (ret)
 461                         return ret;
 462                 dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf;
 463         }
 464         dpaa_intf->nb_tx_queues = num_cores;
 465
 466         DPAA_PMD_DEBUG("All frame queues created");
 467
 468         /* reset bpool list, initialize bpool dynamically */
 469         list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {
 470                 list_del(&bp->node);
 471                 rte_free(bp);
 472         }
 473
 474         /* Populate ethdev structure */
 475         eth_dev->dev_ops = &dpaa_devops;
 476         eth_dev->rx_pkt_burst = dpaa_eth_queue_rx;
 477         eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
 478
 479         /* Allocate memory for storing MAC addresses */
 480         eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
 481                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0);
 482         if (eth_dev->data->mac_addrs == NULL) {
 483                 DPAA_PMD_ERR("Failed to allocate %d bytes needed to "
 484                                                 "store MAC addresses",
 485                                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER);
 486                 rte_free(dpaa_intf->rx_queues);
 487                 rte_free(dpaa_intf->tx_queues);
 488                 dpaa_intf->rx_queues = NULL;
 489                 dpaa_intf->tx_queues = NULL;
 490                 dpaa_intf->nb_rx_queues = 0;
 491                 dpaa_intf->nb_tx_queues = 0;
 492                 return -ENOMEM;
 493         }
 494
 495         /* copy the primary mac address */
 496         ether_addr_copy(&fman_intf->mac_addr, &eth_dev->data->mac_addrs[0]);
 497
 498         RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n",
 499                 dpaa_device->name,
 500                 fman_intf->mac_addr.addr_bytes[0],
 501                 fman_intf->mac_addr.addr_bytes[1],
 502                 fman_intf->mac_addr.addr_bytes[2],
 503                 fman_intf->mac_addr.addr_bytes[3],
 504                 fman_intf->mac_addr.addr_bytes[4],
 505                 fman_intf->mac_addr.addr_bytes[5]);
 506
 507         /* Disable RX mode */
 508         fman_if_discard_rx_errors(fman_intf);
 509         fman_if_disable_rx(fman_intf);
 510         /* Disable promiscuous mode */
 511         fman_if_promiscuous_disable(fman_intf);
 512         /* Disable multicast */
 513         fman_if_reset_mcast_filter_table(fman_intf);
 514         /* Reset interface statistics */
 515         fman_if_stats_reset(fman_intf);
 516
 517         return 0;
 518 }
 519
 520 static int
 521 dpaa_dev_uninit(struct rte_eth_dev *dev)
 522 {
 523         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 524
 525         PMD_INIT_FUNC_TRACE();
 526
 527         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 528                 return -EPERM;
 529
 530         if (!dpaa_intf) {
 531                 DPAA_PMD_WARN("Already closed or not started");
 532                 return -1;
 533         }
 534
 535         dpaa_eth_dev_close(dev);
 536
 537         /* release configuration memory */
 538         if (dpaa_intf->fc_conf)
 539                 rte_free(dpaa_intf->fc_conf);
 540
 541         rte_free(dpaa_intf->rx_queues);
 542         dpaa_intf->rx_queues = NULL;
 543
 544         rte_free(dpaa_intf->tx_queues);
 545         dpaa_intf->tx_queues = NULL;
 546
 547         /* free memory for storing MAC addresses */
 548         rte_free(dev->data->mac_addrs);
 549         dev->data->mac_addrs = NULL;
 550
 551         dev->dev_ops = NULL;
 552         dev->rx_pkt_burst = NULL;
 553         dev->tx_pkt_burst = NULL;
 554
 555         return 0;
 556 }
 557
 558 static int
 559 rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
 560                struct rte_dpaa_device *dpaa_dev)
 561 {
 562         int diag;
 563         int ret;
 564         struct rte_eth_dev *eth_dev;
 565
 566         PMD_INIT_FUNC_TRACE();
 567
 568         /* In case of secondary process, the device is already configured
 569          * and no further action is required, except portal initialization
 570          * and verifying secondary attachment to port name.
 571          */
 572         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 573                 eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
 574                 if (!eth_dev)
 575                         return -ENOMEM;
 576                 return 0;
 577         }
 578
 579         if (!is_global_init) {
 580                 /* One time load of Qman/Bman drivers */
 581                 ret = qman_global_init();
 582                 if (ret) {
 583                         DPAA_PMD_ERR("QMAN initialization failed: %d",
 584                                      ret);
 585                         return ret;
 586                 }
 587                 ret = bman_global_init();
 588                 if (ret) {
 589                         DPAA_PMD_ERR("BMAN initialization failed: %d",
 590                                      ret);
 591                         return ret;
 592                 }
 593
 594                 is_global_init = 1;
 595         }
 596
 597         ret = rte_dpaa_portal_init((void *)1);
 598         if (ret) {
 599                 DPAA_PMD_ERR("Unable to initialize portal");
 600                 return ret;
 601         }
 602
 603         eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
 604         if (eth_dev == NULL)
 605                 return -ENOMEM;
 606
 607         eth_dev->data->dev_private = rte_zmalloc(
 608                                         "ethdev private structure",
 609                                         sizeof(struct dpaa_if),
 610                                         RTE_CACHE_LINE_SIZE);
 611         if (!eth_dev->data->dev_private) {
 612                 DPAA_PMD_ERR("Cannot allocate memzone for port data");
 613                 rte_eth_dev_release_port(eth_dev);
 614                 return -ENOMEM;
 615         }
 616
 617         eth_dev->device = &dpaa_dev->device;
 618         eth_dev->device->driver = &dpaa_drv->driver;
 619         dpaa_dev->eth_dev = eth_dev;
 620
 621         /* Invoke PMD device initialization function */
 622         diag = dpaa_dev_init(eth_dev);
 623         if (diag == 0)
 624                 return 0;
 625
 626         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 627                 rte_free(eth_dev->data->dev_private);
 628
 629         rte_eth_dev_release_port(eth_dev);
 630         return diag;
 631 }
 632
 633 static int
 634 rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
 635 {
 636         struct rte_eth_dev *eth_dev;
 637
 638         PMD_INIT_FUNC_TRACE();
 639
 640         eth_dev = dpaa_dev->eth_dev;
 641         dpaa_dev_uninit(eth_dev);
 642
 643         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 644                 rte_free(eth_dev->data->dev_private);
 645
 646         rte_eth_dev_release_port(eth_dev);
 647
 648         return 0;
 649 }
 650
 651 static struct rte_dpaa_driver rte_dpaa_pmd = {
 652         .drv_type = FSL_DPAA_ETH,
 653         .probe = rte_dpaa_probe,
 654         .remove = rte_dpaa_remove,
 655 };
 656
 657 RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);