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->flow_type_rss_offloads = DPAA_RSS_OFFLOAD_ALL;
 161         dev_info->speed_capa = (ETH_LINK_SPEED_1G |
 162                                 ETH_LINK_SPEED_10G);
 163 }
 164
 165 static int dpaa_eth_link_update(struct rte_eth_dev *dev,
 166                                 int wait_to_complete __rte_unused)
 167 {
 168         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 169         struct rte_eth_link *link = &dev->data->dev_link;
 170
 171         PMD_INIT_FUNC_TRACE();
 172
 173         if (dpaa_intf->fif->mac_type == fman_mac_1g)
 174                 link->link_speed = 1000;
 175         else if (dpaa_intf->fif->mac_type == fman_mac_10g)
 176                 link->link_speed = 10000;
 177         else
 178                 DPAA_PMD_ERR("invalid link_speed: %s, %d",
 179                              dpaa_intf->name, dpaa_intf->fif->mac_type);
 180
 181         link->link_status = dpaa_intf->valid;
 182         link->link_duplex = ETH_LINK_FULL_DUPLEX;
 183         link->link_autoneg = ETH_LINK_AUTONEG;
 184         return 0;
 185 }
 186
 187 static void dpaa_eth_stats_get(struct rte_eth_dev *dev,
 188                                struct rte_eth_stats *stats)
 189 {
 190         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 191
 192         PMD_INIT_FUNC_TRACE();
 193
 194         fman_if_stats_get(dpaa_intf->fif, stats);
 195 }
 196
 197 static void dpaa_eth_stats_reset(struct rte_eth_dev *dev)
 198 {
 199         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 200
 201         PMD_INIT_FUNC_TRACE();
 202
 203         fman_if_stats_reset(dpaa_intf->fif);
 204 }
 205
 206 static void dpaa_eth_promiscuous_enable(struct rte_eth_dev *dev)
 207 {
 208         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 209
 210         PMD_INIT_FUNC_TRACE();
 211
 212         fman_if_promiscuous_enable(dpaa_intf->fif);
 213 }
 214
 215 static void dpaa_eth_promiscuous_disable(struct rte_eth_dev *dev)
 216 {
 217         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 218
 219         PMD_INIT_FUNC_TRACE();
 220
 221         fman_if_promiscuous_disable(dpaa_intf->fif);
 222 }
 223
 224 static void dpaa_eth_multicast_enable(struct rte_eth_dev *dev)
 225 {
 226         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 227
 228         PMD_INIT_FUNC_TRACE();
 229
 230         fman_if_set_mcast_filter_table(dpaa_intf->fif);
 231 }
 232
 233 static void dpaa_eth_multicast_disable(struct rte_eth_dev *dev)
 234 {
 235         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 236
 237         PMD_INIT_FUNC_TRACE();
 238
 239         fman_if_reset_mcast_filter_table(dpaa_intf->fif);
 240 }
 241
 242 static
 243 int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 244                             uint16_t nb_desc __rte_unused,
 245                             unsigned int socket_id __rte_unused,
 246                             const struct rte_eth_rxconf *rx_conf __rte_unused,
 247                             struct rte_mempool *mp)
 248 {
 249         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 250
 251         PMD_INIT_FUNC_TRACE();
 252
 253         DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx);
 254
 255         if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) {
 256                 struct fman_if_ic_params icp;
 257                 uint32_t fd_offset;
 258                 uint32_t bp_size;
 259
 260                 if (!mp->pool_data) {
 261                         DPAA_PMD_ERR("Not an offloaded buffer pool!");
 262                         return -1;
 263                 }
 264                 dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
 265
 266                 memset(&icp, 0, sizeof(icp));
 267                 /* set ICEOF for to the default value , which is 0*/
 268                 icp.iciof = DEFAULT_ICIOF;
 269                 icp.iceof = DEFAULT_RX_ICEOF;
 270                 icp.icsz = DEFAULT_ICSZ;
 271                 fman_if_set_ic_params(dpaa_intf->fif, &icp);
 272
 273                 fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE;
 274                 fman_if_set_fdoff(dpaa_intf->fif, fd_offset);
 275
 276                 /* Buffer pool size should be equal to Dataroom Size*/
 277                 bp_size = rte_pktmbuf_data_room_size(mp);
 278                 fman_if_set_bp(dpaa_intf->fif, mp->size,
 279                                dpaa_intf->bp_info->bpid, bp_size);
 280                 dpaa_intf->valid = 1;
 281                 DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d",
 282                             dpaa_intf->name, fd_offset,
 283                         fman_if_get_fdoff(dpaa_intf->fif));
 284         }
 285         dev->data->rx_queues[queue_idx] = &dpaa_intf->rx_queues[queue_idx];
 286
 287         return 0;
 288 }
 289
 290 static
 291 void dpaa_eth_rx_queue_release(void *rxq __rte_unused)
 292 {
 293         PMD_INIT_FUNC_TRACE();
 294 }
 295
 296 static
 297 int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 298                             uint16_t nb_desc __rte_unused,
 299                 unsigned int socket_id __rte_unused,
 300                 const struct rte_eth_txconf *tx_conf __rte_unused)
 301 {
 302         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 303
 304         PMD_INIT_FUNC_TRACE();
 305
 306         DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx);
 307         dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx];
 308         return 0;
 309 }
 310
 311 static void dpaa_eth_tx_queue_release(void *txq __rte_unused)
 312 {
 313         PMD_INIT_FUNC_TRACE();
 314 }
 315
 316 static int dpaa_link_down(struct rte_eth_dev *dev)
 317 {
 318         PMD_INIT_FUNC_TRACE();
 319
 320         dpaa_eth_dev_stop(dev);
 321         return 0;
 322 }
 323
 324 static int dpaa_link_up(struct rte_eth_dev *dev)
 325 {
 326         PMD_INIT_FUNC_TRACE();
 327
 328         dpaa_eth_dev_start(dev);
 329         return 0;
 330 }
 331
 332 static int
 333 dpaa_flow_ctrl_set(struct rte_eth_dev *dev,
 334                    struct rte_eth_fc_conf *fc_conf)
 335 {
 336         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 337         struct rte_eth_fc_conf *net_fc;
 338
 339         PMD_INIT_FUNC_TRACE();
 340
 341         if (!(dpaa_intf->fc_conf)) {
 342                 dpaa_intf->fc_conf = rte_zmalloc(NULL,
 343                         sizeof(struct rte_eth_fc_conf), MAX_CACHELINE);
 344                 if (!dpaa_intf->fc_conf) {
 345                         DPAA_PMD_ERR("unable to save flow control info");
 346                         return -ENOMEM;
 347                 }
 348         }
 349         net_fc = dpaa_intf->fc_conf;
 350
 351         if (fc_conf->high_water < fc_conf->low_water) {
 352                 DPAA_PMD_ERR("Incorrect Flow Control Configuration");
 353                 return -EINVAL;
 354         }
 355
 356         if (fc_conf->mode == RTE_FC_NONE) {
 357                 return 0;
 358         } else if (fc_conf->mode == RTE_FC_TX_PAUSE ||
 359                  fc_conf->mode == RTE_FC_FULL) {
 360                 fman_if_set_fc_threshold(dpaa_intf->fif, fc_conf->high_water,
 361                                          fc_conf->low_water,
 362                                 dpaa_intf->bp_info->bpid);
 363                 if (fc_conf->pause_time)
 364                         fman_if_set_fc_quanta(dpaa_intf->fif,
 365                                               fc_conf->pause_time);
 366         }
 367
 368         /* Save the information in dpaa device */
 369         net_fc->pause_time = fc_conf->pause_time;
 370         net_fc->high_water = fc_conf->high_water;
 371         net_fc->low_water = fc_conf->low_water;
 372         net_fc->send_xon = fc_conf->send_xon;
 373         net_fc->mac_ctrl_frame_fwd = fc_conf->mac_ctrl_frame_fwd;
 374         net_fc->mode = fc_conf->mode;
 375         net_fc->autoneg = fc_conf->autoneg;
 376
 377         return 0;
 378 }
 379
 380 static int
 381 dpaa_flow_ctrl_get(struct rte_eth_dev *dev,
 382                    struct rte_eth_fc_conf *fc_conf)
 383 {
 384         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 385         struct rte_eth_fc_conf *net_fc = dpaa_intf->fc_conf;
 386         int ret;
 387
 388         PMD_INIT_FUNC_TRACE();
 389
 390         if (net_fc) {
 391                 fc_conf->pause_time = net_fc->pause_time;
 392                 fc_conf->high_water = net_fc->high_water;
 393                 fc_conf->low_water = net_fc->low_water;
 394                 fc_conf->send_xon = net_fc->send_xon;
 395                 fc_conf->mac_ctrl_frame_fwd = net_fc->mac_ctrl_frame_fwd;
 396                 fc_conf->mode = net_fc->mode;
 397                 fc_conf->autoneg = net_fc->autoneg;
 398                 return 0;
 399         }
 400         ret = fman_if_get_fc_threshold(dpaa_intf->fif);
 401         if (ret) {
 402                 fc_conf->mode = RTE_FC_TX_PAUSE;
 403                 fc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);
 404         } else {
 405                 fc_conf->mode = RTE_FC_NONE;
 406         }
 407
 408         return 0;
 409 }
 410
 411 static int
 412 dpaa_dev_add_mac_addr(struct rte_eth_dev *dev,
 413                              struct ether_addr *addr,
 414                              uint32_t index,
 415                              __rte_unused uint32_t pool)
 416 {
 417         int ret;
 418         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 419
 420         PMD_INIT_FUNC_TRACE();
 421
 422         ret = fman_if_add_mac_addr(dpaa_intf->fif, addr->addr_bytes, index);
 423
 424         if (ret)
 425                 RTE_LOG(ERR, PMD, "error: Adding the MAC ADDR failed:"
 426                         " err = %d", ret);
 427         return 0;
 428 }
 429
 430 static void
 431 dpaa_dev_remove_mac_addr(struct rte_eth_dev *dev,
 432                           uint32_t index)
 433 {
 434         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 435
 436         PMD_INIT_FUNC_TRACE();
 437
 438         fman_if_clear_mac_addr(dpaa_intf->fif, index);
 439 }
 440
 441 static void
 442 dpaa_dev_set_mac_addr(struct rte_eth_dev *dev,
 443                        struct ether_addr *addr)
 444 {
 445         int ret;
 446         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 447
 448         PMD_INIT_FUNC_TRACE();
 449
 450         ret = fman_if_add_mac_addr(dpaa_intf->fif, addr->addr_bytes, 0);
 451         if (ret)
 452                 RTE_LOG(ERR, PMD, "error: Setting the MAC ADDR failed %d", ret);
 453 }
 454
 455 static struct eth_dev_ops dpaa_devops = {
 456         .dev_configure            = dpaa_eth_dev_configure,
 457         .dev_start                = dpaa_eth_dev_start,
 458         .dev_stop                 = dpaa_eth_dev_stop,
 459         .dev_close                = dpaa_eth_dev_close,
 460         .dev_infos_get            = dpaa_eth_dev_info,
 461
 462         .rx_queue_setup           = dpaa_eth_rx_queue_setup,
 463         .tx_queue_setup           = dpaa_eth_tx_queue_setup,
 464         .rx_queue_release         = dpaa_eth_rx_queue_release,
 465         .tx_queue_release         = dpaa_eth_tx_queue_release,
 466
 467         .flow_ctrl_get            = dpaa_flow_ctrl_get,
 468         .flow_ctrl_set            = dpaa_flow_ctrl_set,
 469
 470         .link_update              = dpaa_eth_link_update,
 471         .stats_get                = dpaa_eth_stats_get,
 472         .stats_reset              = dpaa_eth_stats_reset,
 473         .promiscuous_enable       = dpaa_eth_promiscuous_enable,
 474         .promiscuous_disable      = dpaa_eth_promiscuous_disable,
 475         .allmulticast_enable      = dpaa_eth_multicast_enable,
 476         .allmulticast_disable     = dpaa_eth_multicast_disable,
 477         .mtu_set                  = dpaa_mtu_set,
 478         .dev_set_link_down        = dpaa_link_down,
 479         .dev_set_link_up          = dpaa_link_up,
 480         .mac_addr_add             = dpaa_dev_add_mac_addr,
 481         .mac_addr_remove          = dpaa_dev_remove_mac_addr,
 482         .mac_addr_set             = dpaa_dev_set_mac_addr,
 483
 484 };
 485
 486 static int dpaa_fc_set_default(struct dpaa_if *dpaa_intf)
 487 {
 488         struct rte_eth_fc_conf *fc_conf;
 489         int ret;
 490
 491         PMD_INIT_FUNC_TRACE();
 492
 493         if (!(dpaa_intf->fc_conf)) {
 494                 dpaa_intf->fc_conf = rte_zmalloc(NULL,
 495                         sizeof(struct rte_eth_fc_conf), MAX_CACHELINE);
 496                 if (!dpaa_intf->fc_conf) {
 497                         DPAA_PMD_ERR("unable to save flow control info");
 498                         return -ENOMEM;
 499                 }
 500         }
 501         fc_conf = dpaa_intf->fc_conf;
 502         ret = fman_if_get_fc_threshold(dpaa_intf->fif);
 503         if (ret) {
 504                 fc_conf->mode = RTE_FC_TX_PAUSE;
 505                 fc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);
 506         } else {
 507                 fc_conf->mode = RTE_FC_NONE;
 508         }
 509
 510         return 0;
 511 }
 512
 513 /* Initialise an Rx FQ */
 514 static int dpaa_rx_queue_init(struct qman_fq *fq,
 515                               uint32_t fqid)
 516 {
 517         struct qm_mcc_initfq opts;
 518         int ret;
 519
 520         PMD_INIT_FUNC_TRACE();
 521
 522         ret = qman_reserve_fqid(fqid);
 523         if (ret) {
 524                 DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d",
 525                              fqid, ret);
 526                 return -EINVAL;
 527         }
 528
 529         DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid);
 530         ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
 531         if (ret) {
 532                 DPAA_PMD_ERR("create rx fqid %d failed with ret: %d",
 533                         fqid, ret);
 534                 return ret;
 535         }
 536
 537         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 538                        QM_INITFQ_WE_CONTEXTA;
 539
 540         opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY;
 541         opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING |
 542                            QM_FQCTRL_PREFERINCACHE;
 543         opts.fqd.context_a.stashing.exclusive = 0;
 544         opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH;
 545         opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH;
 546         opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH;
 547
 548         /*Enable tail drop */
 549         opts.we_mask = opts.we_mask | QM_INITFQ_WE_TDTHRESH;
 550         opts.fqd.fq_ctrl = opts.fqd.fq_ctrl | QM_FQCTRL_TDE;
 551         qm_fqd_taildrop_set(&opts.fqd.td, CONG_THRESHOLD_RX_Q, 1);
 552
 553         ret = qman_init_fq(fq, 0, &opts);
 554         if (ret)
 555                 DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret);
 556         return ret;
 557 }
 558
 559 /* Initialise a Tx FQ */
 560 static int dpaa_tx_queue_init(struct qman_fq *fq,
 561                               struct fman_if *fman_intf)
 562 {
 563         struct qm_mcc_initfq opts;
 564         int ret;
 565
 566         PMD_INIT_FUNC_TRACE();
 567
 568         ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID |
 569                              QMAN_FQ_FLAG_TO_DCPORTAL, fq);
 570         if (ret) {
 571                 DPAA_PMD_ERR("create tx fq failed with ret: %d", ret);
 572                 return ret;
 573         }
 574         opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
 575                        QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA;
 576         opts.fqd.dest.channel = fman_intf->tx_channel_id;
 577         opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY;
 578         opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE;
 579         opts.fqd.context_b = 0;
 580         /* no tx-confirmation */
 581         opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi;
 582         opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo;
 583         DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid);
 584         ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts);
 585         if (ret)
 586                 DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret);
 587         return ret;
 588 }
 589
 590 /* Initialise a network interface */
 591 static int
 592 dpaa_dev_init(struct rte_eth_dev *eth_dev)
 593 {
 594         int num_cores, num_rx_fqs, fqid;
 595         int loop, ret = 0;
 596         int dev_id;
 597         struct rte_dpaa_device *dpaa_device;
 598         struct dpaa_if *dpaa_intf;
 599         struct fm_eth_port_cfg *cfg;
 600         struct fman_if *fman_intf;
 601         struct fman_if_bpool *bp, *tmp_bp;
 602
 603         PMD_INIT_FUNC_TRACE();
 604
 605         /* For secondary processes, the primary has done all the work */
 606         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 607                 return 0;
 608
 609         dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
 610         dev_id = dpaa_device->id.dev_id;
 611         dpaa_intf = eth_dev->data->dev_private;
 612         cfg = &dpaa_netcfg->port_cfg[dev_id];
 613         fman_intf = cfg->fman_if;
 614
 615         dpaa_intf->name = dpaa_device->name;
 616
 617         /* save fman_if & cfg in the interface struture */
 618         dpaa_intf->fif = fman_intf;
 619         dpaa_intf->ifid = dev_id;
 620         dpaa_intf->cfg = cfg;
 621
 622         /* Initialize Rx FQ's */
 623         if (getenv("DPAA_NUM_RX_QUEUES"))
 624                 num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES"));
 625         else
 626                 num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES;
 627
 628         /* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX
 629          * queues.
 630          */
 631         if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) {
 632                 DPAA_PMD_ERR("Invalid number of RX queues\n");
 633                 return -EINVAL;
 634         }
 635
 636         dpaa_intf->rx_queues = rte_zmalloc(NULL,
 637                 sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE);
 638         for (loop = 0; loop < num_rx_fqs; loop++) {
 639                 fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid *
 640                         DPAA_PCD_FQID_MULTIPLIER + loop;
 641                 ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop], fqid);
 642                 if (ret)
 643                         return ret;
 644                 dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf;
 645         }
 646         dpaa_intf->nb_rx_queues = num_rx_fqs;
 647
 648         /* Initialise Tx FQs. Have as many Tx FQ's as number of cores */
 649         num_cores = rte_lcore_count();
 650         dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) *
 651                 num_cores, MAX_CACHELINE);
 652         if (!dpaa_intf->tx_queues)
 653                 return -ENOMEM;
 654
 655         for (loop = 0; loop < num_cores; loop++) {
 656                 ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop],
 657                                          fman_intf);
 658                 if (ret)
 659                         return ret;
 660                 dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf;
 661         }
 662         dpaa_intf->nb_tx_queues = num_cores;
 663
 664         DPAA_PMD_DEBUG("All frame queues created");
 665
 666         /* Get the initial configuration for flow control */
 667         dpaa_fc_set_default(dpaa_intf);
 668
 669         /* reset bpool list, initialize bpool dynamically */
 670         list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {
 671                 list_del(&bp->node);
 672                 rte_free(bp);
 673         }
 674
 675         /* Populate ethdev structure */
 676         eth_dev->dev_ops = &dpaa_devops;
 677         eth_dev->rx_pkt_burst = dpaa_eth_queue_rx;
 678         eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
 679
 680         /* Allocate memory for storing MAC addresses */
 681         eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
 682                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0);
 683         if (eth_dev->data->mac_addrs == NULL) {
 684                 DPAA_PMD_ERR("Failed to allocate %d bytes needed to "
 685                                                 "store MAC addresses",
 686                                 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER);
 687                 rte_free(dpaa_intf->rx_queues);
 688                 rte_free(dpaa_intf->tx_queues);
 689                 dpaa_intf->rx_queues = NULL;
 690                 dpaa_intf->tx_queues = NULL;
 691                 dpaa_intf->nb_rx_queues = 0;
 692                 dpaa_intf->nb_tx_queues = 0;
 693                 return -ENOMEM;
 694         }
 695
 696         /* copy the primary mac address */
 697         ether_addr_copy(&fman_intf->mac_addr, &eth_dev->data->mac_addrs[0]);
 698
 699         RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n",
 700                 dpaa_device->name,
 701                 fman_intf->mac_addr.addr_bytes[0],
 702                 fman_intf->mac_addr.addr_bytes[1],
 703                 fman_intf->mac_addr.addr_bytes[2],
 704                 fman_intf->mac_addr.addr_bytes[3],
 705                 fman_intf->mac_addr.addr_bytes[4],
 706                 fman_intf->mac_addr.addr_bytes[5]);
 707
 708         /* Disable RX mode */
 709         fman_if_discard_rx_errors(fman_intf);
 710         fman_if_disable_rx(fman_intf);
 711         /* Disable promiscuous mode */
 712         fman_if_promiscuous_disable(fman_intf);
 713         /* Disable multicast */
 714         fman_if_reset_mcast_filter_table(fman_intf);
 715         /* Reset interface statistics */
 716         fman_if_stats_reset(fman_intf);
 717
 718         return 0;
 719 }
 720
 721 static int
 722 dpaa_dev_uninit(struct rte_eth_dev *dev)
 723 {
 724         struct dpaa_if *dpaa_intf = dev->data->dev_private;
 725
 726         PMD_INIT_FUNC_TRACE();
 727
 728         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 729                 return -EPERM;
 730
 731         if (!dpaa_intf) {
 732                 DPAA_PMD_WARN("Already closed or not started");
 733                 return -1;
 734         }
 735
 736         dpaa_eth_dev_close(dev);
 737
 738         /* release configuration memory */
 739         if (dpaa_intf->fc_conf)
 740                 rte_free(dpaa_intf->fc_conf);
 741
 742         rte_free(dpaa_intf->rx_queues);
 743         dpaa_intf->rx_queues = NULL;
 744
 745         rte_free(dpaa_intf->tx_queues);
 746         dpaa_intf->tx_queues = NULL;
 747
 748         /* free memory for storing MAC addresses */
 749         rte_free(dev->data->mac_addrs);
 750         dev->data->mac_addrs = NULL;
 751
 752         dev->dev_ops = NULL;
 753         dev->rx_pkt_burst = NULL;
 754         dev->tx_pkt_burst = NULL;
 755
 756         return 0;
 757 }
 758
 759 static int
 760 rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
 761                struct rte_dpaa_device *dpaa_dev)
 762 {
 763         int diag;
 764         int ret;
 765         struct rte_eth_dev *eth_dev;
 766
 767         PMD_INIT_FUNC_TRACE();
 768
 769         /* In case of secondary process, the device is already configured
 770          * and no further action is required, except portal initialization
 771          * and verifying secondary attachment to port name.
 772          */
 773         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 774                 eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
 775                 if (!eth_dev)
 776                         return -ENOMEM;
 777                 return 0;
 778         }
 779
 780         if (!is_global_init) {
 781                 /* One time load of Qman/Bman drivers */
 782                 ret = qman_global_init();
 783                 if (ret) {
 784                         DPAA_PMD_ERR("QMAN initialization failed: %d",
 785                                      ret);
 786                         return ret;
 787                 }
 788                 ret = bman_global_init();
 789                 if (ret) {
 790                         DPAA_PMD_ERR("BMAN initialization failed: %d",
 791                                      ret);
 792                         return ret;
 793                 }
 794
 795                 is_global_init = 1;
 796         }
 797
 798         ret = rte_dpaa_portal_init((void *)1);
 799         if (ret) {
 800                 DPAA_PMD_ERR("Unable to initialize portal");
 801                 return ret;
 802         }
 803
 804         eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
 805         if (eth_dev == NULL)
 806                 return -ENOMEM;
 807
 808         eth_dev->data->dev_private = rte_zmalloc(
 809                                         "ethdev private structure",
 810                                         sizeof(struct dpaa_if),
 811                                         RTE_CACHE_LINE_SIZE);
 812         if (!eth_dev->data->dev_private) {
 813                 DPAA_PMD_ERR("Cannot allocate memzone for port data");
 814                 rte_eth_dev_release_port(eth_dev);
 815                 return -ENOMEM;
 816         }
 817
 818         eth_dev->device = &dpaa_dev->device;
 819         eth_dev->device->driver = &dpaa_drv->driver;
 820         dpaa_dev->eth_dev = eth_dev;
 821
 822         /* Invoke PMD device initialization function */
 823         diag = dpaa_dev_init(eth_dev);
 824         if (diag == 0)
 825                 return 0;
 826
 827         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 828                 rte_free(eth_dev->data->dev_private);
 829
 830         rte_eth_dev_release_port(eth_dev);
 831         return diag;
 832 }
 833
 834 static int
 835 rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
 836 {
 837         struct rte_eth_dev *eth_dev;
 838
 839         PMD_INIT_FUNC_TRACE();
 840
 841         eth_dev = dpaa_dev->eth_dev;
 842         dpaa_dev_uninit(eth_dev);
 843
 844         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 845                 rte_free(eth_dev->data->dev_private);
 846
 847         rte_eth_dev_release_port(eth_dev);
 848
 849         return 0;
 850 }
 851
 852 static struct rte_dpaa_driver rte_dpaa_pmd = {
 853         .drv_type = FSL_DPAA_ETH,
 854         .probe = rte_dpaa_probe,
 855         .remove = rte_dpaa_remove,
 856 };
 857
 858 RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);