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 #include <dpaa2_hw_mempool.h>
  52
  53 #include "dpaa2_ethdev.h"
  54
  55 static struct rte_dpaa2_driver rte_dpaa2_pmd;
  56
  57 static void
  58 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
  59 {
  60         struct dpaa2_dev_priv *priv = dev->data->dev_private;
  61
  62         PMD_INIT_FUNC_TRACE();
  63
  64         dev_info->if_index = priv->hw_id;
  65
  66         dev_info->max_mac_addrs = priv->max_mac_filters;
  67         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
  68         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
  69         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
  70         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
  71         dev_info->rx_offload_capa =
  72                 DEV_RX_OFFLOAD_IPV4_CKSUM |
  73                 DEV_RX_OFFLOAD_UDP_CKSUM |
  74                 DEV_RX_OFFLOAD_TCP_CKSUM |
  75                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
  76         dev_info->tx_offload_capa =
  77                 DEV_TX_OFFLOAD_IPV4_CKSUM |
  78                 DEV_TX_OFFLOAD_UDP_CKSUM |
  79                 DEV_TX_OFFLOAD_TCP_CKSUM |
  80                 DEV_TX_OFFLOAD_SCTP_CKSUM |
  81                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
  82         dev_info->speed_capa = ETH_LINK_SPEED_1G |
  83                         ETH_LINK_SPEED_2_5G |
  84                         ETH_LINK_SPEED_10G;
  85 }
  86
  87 static int
  88 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
  89 {
  90         struct dpaa2_dev_priv *priv = dev->data->dev_private;
  91         uint16_t dist_idx;
  92         uint32_t vq_id;
  93         struct dpaa2_queue *mc_q, *mcq;
  94         uint32_t tot_queues;
  95         int i;
  96         struct dpaa2_queue *dpaa2_q;
  97
  98         PMD_INIT_FUNC_TRACE();
  99
 100         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 101         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 102                           RTE_CACHE_LINE_SIZE);
 103         if (!mc_q) {
 104                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 105                 return -1;
 106         }
 107
 108         for (i = 0; i < priv->nb_rx_queues; i++) {
 109                 mc_q->dev = dev;
 110                 priv->rx_vq[i] = mc_q++;
 111                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 112                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 113                                         sizeof(struct queue_storage_info_t),
 114                                         RTE_CACHE_LINE_SIZE);
 115                 if (!dpaa2_q->q_storage)
 116                         goto fail;
 117
 118                 memset(dpaa2_q->q_storage, 0,
 119                        sizeof(struct queue_storage_info_t));
 120                 dpaa2_q->q_storage->dq_storage[0] = rte_malloc(NULL,
 121                         DPAA2_DQRR_RING_SIZE * sizeof(struct qbman_result),
 122                         RTE_CACHE_LINE_SIZE);
 123         }
 124
 125         for (i = 0; i < priv->nb_tx_queues; i++) {
 126                 mc_q->dev = dev;
 127                 mc_q->flow_id = DPNI_NEW_FLOW_ID;
 128                 priv->tx_vq[i] = mc_q++;
 129         }
 130
 131         vq_id = 0;
 132         for (dist_idx = 0; dist_idx < priv->num_dist_per_tc[DPAA2_DEF_TC];
 133              dist_idx++) {
 134                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 135                 mcq->tc_index = DPAA2_DEF_TC;
 136                 mcq->flow_id = dist_idx;
 137                 vq_id++;
 138         }
 139
 140         return 0;
 141 fail:
 142         i -= 1;
 143         mc_q = priv->rx_vq[0];
 144         while (i >= 0) {
 145                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 146                 rte_free(dpaa2_q->q_storage->dq_storage[0]);
 147                 rte_free(dpaa2_q->q_storage);
 148                 priv->rx_vq[i--] = NULL;
 149         }
 150         rte_free(mc_q);
 151         return -1;
 152 }
 153
 154 static int
 155 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 156 {
 157         struct rte_eth_dev_data *data = dev->data;
 158         struct rte_eth_conf *eth_conf = &data->dev_conf;
 159         int ret;
 160
 161         PMD_INIT_FUNC_TRACE();
 162
 163         /* Check for correct configuration */
 164         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 165             data->nb_rx_queues > 1) {
 166                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 167                             "but Rx queues more than 1\n");
 168                 return -1;
 169         }
 170
 171         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 172                 /* Return in case number of Rx queues is 1 */
 173                 if (data->nb_rx_queues == 1)
 174                         return 0;
 175                 ret = dpaa2_setup_flow_dist(dev,
 176                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 177                 if (ret) {
 178                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 179                                      "please check queue config\n");
 180                         return ret;
 181                 }
 182         }
 183         return 0;
 184 }
 185
 186 /* Function to setup RX flow information. It contains traffic class ID,
 187  * flow ID, destination configuration etc.
 188  */
 189 static int
 190 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 191                          uint16_t rx_queue_id,
 192                          uint16_t nb_rx_desc __rte_unused,
 193                          unsigned int socket_id __rte_unused,
 194                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 195                          struct rte_mempool *mb_pool)
 196 {
 197         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 198         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 199         struct dpaa2_queue *dpaa2_q;
 200         struct dpni_queue cfg;
 201         uint8_t options = 0;
 202         uint8_t flow_id;
 203         uint32_t bpid;
 204         int ret;
 205
 206         PMD_INIT_FUNC_TRACE();
 207
 208         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 209                      dev, rx_queue_id, mb_pool, rx_conf);
 210
 211         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 212                 bpid = mempool_to_bpid(mb_pool);
 213                 ret = dpaa2_attach_bp_list(priv,
 214                                            rte_dpaa2_bpid_info[bpid].bp_list);
 215                 if (ret)
 216                         return ret;
 217         }
 218         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 219         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 220
 221         /*Get the tc id and flow id from given VQ id*/
 222         flow_id = rx_queue_id % priv->num_dist_per_tc[dpaa2_q->tc_index];
 223         memset(&cfg, 0, sizeof(struct dpni_queue));
 224
 225         options = options | DPNI_QUEUE_OPT_USER_CTX;
 226         cfg.user_context = (uint64_t)(dpaa2_q);
 227
 228         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 229                              dpaa2_q->tc_index, flow_id, options, &cfg);
 230         if (ret) {
 231                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 232                 return -1;
 233         }
 234
 235         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 236         return 0;
 237 }
 238
 239 static int
 240 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 241                          uint16_t tx_queue_id,
 242                          uint16_t nb_tx_desc __rte_unused,
 243                          unsigned int socket_id __rte_unused,
 244                          const struct rte_eth_txconf *tx_conf __rte_unused)
 245 {
 246         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 247         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 248                 priv->tx_vq[tx_queue_id];
 249         struct fsl_mc_io *dpni = priv->hw;
 250         struct dpni_queue tx_conf_cfg;
 251         struct dpni_queue tx_flow_cfg;
 252         uint8_t options = 0, flow_id;
 253         uint32_t tc_id;
 254         int ret;
 255
 256         PMD_INIT_FUNC_TRACE();
 257
 258         /* Return if queue already configured */
 259         if (dpaa2_q->flow_id != DPNI_NEW_FLOW_ID)
 260                 return 0;
 261
 262         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 263         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 264
 265         if (priv->num_tc == 1) {
 266                 tc_id = 0;
 267                 flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
 268         } else {
 269                 tc_id = tx_queue_id;
 270                 flow_id = 0;
 271         }
 272
 273         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 274                              tc_id, flow_id, options, &tx_flow_cfg);
 275         if (ret) {
 276                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 277                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 278                              tc_id, flow_id, -ret);
 279                         return -1;
 280         }
 281
 282         dpaa2_q->flow_id = flow_id;
 283
 284         if (tx_queue_id == 0) {
 285                 /*Set tx-conf and error configuration*/
 286                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 287                                                     priv->token,
 288                                                     DPNI_CONF_DISABLE);
 289                 if (ret) {
 290                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 291                                      " ErrorCode = %x", ret);
 292                         return -1;
 293                 }
 294         }
 295         dpaa2_q->tc_index = tc_id;
 296
 297         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 298         return 0;
 299 }
 300
 301 static void
 302 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 303 {
 304         PMD_INIT_FUNC_TRACE();
 305 }
 306
 307 static void
 308 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 309 {
 310         PMD_INIT_FUNC_TRACE();
 311 }
 312
 313 static const uint32_t *
 314 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 315 {
 316         static const uint32_t ptypes[] = {
 317                 /*todo -= add more types */
 318                 RTE_PTYPE_L2_ETHER,
 319                 RTE_PTYPE_L3_IPV4,
 320                 RTE_PTYPE_L3_IPV4_EXT,
 321                 RTE_PTYPE_L3_IPV6,
 322                 RTE_PTYPE_L3_IPV6_EXT,
 323                 RTE_PTYPE_L4_TCP,
 324                 RTE_PTYPE_L4_UDP,
 325                 RTE_PTYPE_L4_SCTP,
 326                 RTE_PTYPE_L4_ICMP,
 327                 RTE_PTYPE_UNKNOWN
 328         };
 329
 330         if (dev->rx_pkt_burst == dpaa2_dev_rx)
 331                 return ptypes;
 332         return NULL;
 333 }
 334
 335 static int
 336 dpaa2_dev_start(struct rte_eth_dev *dev)
 337 {
 338         struct rte_eth_dev_data *data = dev->data;
 339         struct dpaa2_dev_priv *priv = data->dev_private;
 340         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 341         struct dpni_queue cfg;
 342         struct dpni_error_cfg   err_cfg;
 343         uint16_t qdid;
 344         struct dpni_queue_id qid;
 345         struct dpaa2_queue *dpaa2_q;
 346         int ret, i;
 347
 348         PMD_INIT_FUNC_TRACE();
 349
 350         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 351         if (ret) {
 352                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 353                              ret, priv->hw_id);
 354                 return ret;
 355         }
 356
 357         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 358                             DPNI_QUEUE_TX, &qdid);
 359         if (ret) {
 360                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 361                 return ret;
 362         }
 363         priv->qdid = qdid;
 364
 365         for (i = 0; i < data->nb_rx_queues; i++) {
 366                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 367                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 368                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 369                                        dpaa2_q->flow_id, &cfg, &qid);
 370                 if (ret) {
 371                         PMD_INIT_LOG(ERR, "Error to get flow "
 372                                      "information Error code = %d\n", ret);
 373                         return ret;
 374                 }
 375                 dpaa2_q->fqid = qid.fqid;
 376         }
 377
 378         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 379                                DPNI_OFF_RX_L3_CSUM, true);
 380         if (ret) {
 381                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 382                 return ret;
 383         }
 384
 385         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 386                                DPNI_OFF_RX_L4_CSUM, true);
 387         if (ret) {
 388                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 389                 return ret;
 390         }
 391
 392         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 393                                DPNI_OFF_TX_L3_CSUM, true);
 394         if (ret) {
 395                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 396                 return ret;
 397         }
 398
 399         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 400                                DPNI_OFF_TX_L4_CSUM, true);
 401         if (ret) {
 402                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 403                 return ret;
 404         }
 405
 406         /*checksum errors, send them to normal path and set it in annotation */
 407         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 408
 409         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 410         err_cfg.set_frame_annotation = true;
 411
 412         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 413                                        priv->token, &err_cfg);
 414         if (ret) {
 415                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 416                              "code = %d\n", ret);
 417                 return ret;
 418         }
 419
 420         return 0;
 421 }
 422
 423 /**
 424  *  This routine disables all traffic on the adapter by issuing a
 425  *  global reset on the MAC.
 426  */
 427 static void
 428 dpaa2_dev_stop(struct rte_eth_dev *dev)
 429 {
 430         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 431         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 432         int ret;
 433
 434         PMD_INIT_FUNC_TRACE();
 435
 436         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 437         if (ret) {
 438                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 439                              ret, priv->hw_id);
 440                 return;
 441         }
 442 }
 443
 444 static void
 445 dpaa2_dev_close(struct rte_eth_dev *dev)
 446 {
 447         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 448         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 449         int ret;
 450
 451         PMD_INIT_FUNC_TRACE();
 452
 453         /* Clean the device first */
 454         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 455         if (ret) {
 456                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 457                              " error code %d\n", ret);
 458                 return;
 459         }
 460 }
 461
 462 static void
 463 dpaa2_dev_promiscuous_enable(
 464                 struct rte_eth_dev *dev)
 465 {
 466         int ret;
 467         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 468         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 469
 470         PMD_INIT_FUNC_TRACE();
 471
 472         if (dpni == NULL) {
 473                 RTE_LOG(ERR, PMD, "dpni is NULL");
 474                 return;
 475         }
 476
 477         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 478         if (ret < 0)
 479                 RTE_LOG(ERR, PMD, "Unable to enable promiscuous mode %d", ret);
 480 }
 481
 482 static void
 483 dpaa2_dev_promiscuous_disable(
 484                 struct rte_eth_dev *dev)
 485 {
 486         int ret;
 487         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 488         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 489
 490         PMD_INIT_FUNC_TRACE();
 491
 492         if (dpni == NULL) {
 493                 RTE_LOG(ERR, PMD, "dpni is NULL");
 494                 return;
 495         }
 496
 497         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 498         if (ret < 0)
 499                 RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
 500 }
 501
 502 static int
 503 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 504 {
 505         int ret;
 506         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 507         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 508         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 509
 510         PMD_INIT_FUNC_TRACE();
 511
 512         if (dpni == NULL) {
 513                 RTE_LOG(ERR, PMD, "dpni is NULL");
 514                 return -EINVAL;
 515         }
 516
 517         /* check that mtu is within the allowed range */
 518         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 519                 return -EINVAL;
 520
 521         /* Set the Max Rx frame length as 'mtu' +
 522          * Maximum Ethernet header length
 523          */
 524         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 525                                         mtu + ETH_VLAN_HLEN);
 526         if (ret) {
 527                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 528                 return -1;
 529         }
 530         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 531         return 0;
 532 }
 533
 534 static struct eth_dev_ops dpaa2_ethdev_ops = {
 535         .dev_configure    = dpaa2_eth_dev_configure,
 536         .dev_start            = dpaa2_dev_start,
 537         .dev_stop             = dpaa2_dev_stop,
 538         .dev_close            = dpaa2_dev_close,
 539         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
 540         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
 541         .dev_infos_get     = dpaa2_dev_info_get,
 542         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
 543         .mtu_set           = dpaa2_dev_mtu_set,
 544         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
 545         .rx_queue_release  = dpaa2_dev_rx_queue_release,
 546         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
 547         .tx_queue_release  = dpaa2_dev_tx_queue_release,
 548 };
 549
 550 static int
 551 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 552 {
 553         struct rte_device *dev = eth_dev->device;
 554         struct rte_dpaa2_device *dpaa2_dev;
 555         struct fsl_mc_io *dpni_dev;
 556         struct dpni_attr attr;
 557         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 558         struct dpni_buffer_layout layout;
 559         int i, ret, hw_id;
 560         int tot_size;
 561
 562         PMD_INIT_FUNC_TRACE();
 563
 564         /* For secondary processes, the primary has done all the work */
 565         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 566                 return 0;
 567
 568         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
 569
 570         hw_id = dpaa2_dev->object_id;
 571
 572         dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
 573         if (!dpni_dev) {
 574                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
 575                 return -1;
 576         }
 577
 578         dpni_dev->regs = rte_mcp_ptr_list[0];
 579         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
 580         if (ret) {
 581                 PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with"
 582                         " error code %d\n", hw_id, ret);
 583                 return -1;
 584         }
 585
 586         /* Clean the device first */
 587         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
 588         if (ret) {
 589                 PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with"
 590                         " error code %d\n", hw_id, ret);
 591                 return -1;
 592         }
 593
 594         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
 595         if (ret) {
 596                 PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, "
 597                         " error code %d\n", hw_id, ret);
 598                 return -1;
 599         }
 600
 601         priv->num_tc = attr.num_tcs;
 602         for (i = 0; i < attr.num_tcs; i++) {
 603                 priv->num_dist_per_tc[i] = attr.num_queues;
 604                 break;
 605         }
 606
 607         /* Distribution is per Tc only,
 608          * so choosing RX queues from default TC only
 609          */
 610         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
 611
 612         if (attr.num_tcs == 1)
 613                 priv->nb_tx_queues = attr.num_queues;
 614         else
 615                 priv->nb_tx_queues = attr.num_tcs;
 616
 617         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
 618         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
 619
 620         priv->hw = dpni_dev;
 621         priv->hw_id = hw_id;
 622         priv->options = attr.options;
 623         priv->max_mac_filters = attr.mac_filter_entries;
 624         priv->max_vlan_filters = attr.vlan_filter_entries;
 625         priv->flags = 0;
 626
 627         /* Allocate memory for hardware structure for queues */
 628         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
 629         if (ret) {
 630                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
 631                 return -ret;
 632         }
 633
 634         /* Allocate memory for storing MAC addresses */
 635         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
 636                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
 637         if (eth_dev->data->mac_addrs == NULL) {
 638                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 639                                                 "store MAC addresses",
 640                                 ETHER_ADDR_LEN * attr.mac_filter_entries);
 641                 return -ENOMEM;
 642         }
 643
 644         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
 645                                         priv->token,
 646                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
 647         if (ret) {
 648                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:"
 649                                         " Error Code = %d\n", ret);
 650                 return -ret;
 651         }
 652
 653         /* ... rx buffer layout ... */
 654         tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
 655         tot_size = RTE_ALIGN_CEIL(tot_size,
 656                                   DPAA2_PACKET_LAYOUT_ALIGN);
 657
 658         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 659         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 660                                 DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 661                                 DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 662                                 DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 663
 664         layout.pass_frame_status = 1;
 665         layout.data_head_room = tot_size
 666                 - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
 667         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 668         layout.pass_parser_result = 1;
 669         PMD_INIT_LOG(DEBUG, "Tot_size = %d, head room = %d, private = %d",
 670                      tot_size, layout.data_head_room, layout.private_data_size);
 671         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 672                                      DPNI_QUEUE_RX, &layout);
 673         if (ret) {
 674                 PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout", ret);
 675                 return -1;
 676         }
 677
 678         /* ... tx buffer layout ... */
 679         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 680         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 681         layout.pass_frame_status = 1;
 682         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 683                                      DPNI_QUEUE_TX, &layout);
 684         if (ret) {
 685                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer"
 686                                   " layout", ret);
 687                 return -1;
 688         }
 689
 690         /* ... tx-conf and error buffer layout ... */
 691         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 692         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 693         layout.pass_frame_status = 1;
 694         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 695                                      DPNI_QUEUE_TX_CONFIRM, &layout);
 696         if (ret) {
 697                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer"
 698                                   " layout", ret);
 699                 return -1;
 700         }
 701
 702         eth_dev->dev_ops = &dpaa2_ethdev_ops;
 703         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 704
 705         eth_dev->rx_pkt_burst = dpaa2_dev_rx;
 706         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
 707         return 0;
 708 }
 709
 710 static int
 711 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 712 {
 713         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 714         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 715         int i, ret;
 716         struct dpaa2_queue *dpaa2_q;
 717
 718         PMD_INIT_FUNC_TRACE();
 719
 720         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 721                 return -EPERM;
 722
 723         if (!dpni) {
 724                 PMD_INIT_LOG(WARNING, "Already closed or not started");
 725                 return -1;
 726         }
 727
 728         dpaa2_dev_close(eth_dev);
 729
 730         if (priv->rx_vq[0]) {
 731                 /* cleaning up queue storage */
 732                 for (i = 0; i < priv->nb_rx_queues; i++) {
 733                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 734                         if (dpaa2_q->q_storage)
 735                                 rte_free(dpaa2_q->q_storage);
 736                 }
 737                 /*free the all queue memory */
 738                 rte_free(priv->rx_vq[0]);
 739                 priv->rx_vq[0] = NULL;
 740         }
 741
 742         /* Allocate memory for storing MAC addresses */
 743         if (eth_dev->data->mac_addrs) {
 744                 rte_free(eth_dev->data->mac_addrs);
 745                 eth_dev->data->mac_addrs = NULL;
 746         }
 747
 748         /*Close the device at underlying layer*/
 749         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
 750         if (ret) {
 751                 PMD_INIT_LOG(ERR, "Failure closing dpni device with"
 752                         " error code %d\n", ret);
 753         }
 754
 755         /*Free the allocated memory for ethernet private data and dpni*/
 756         priv->hw = NULL;
 757         free(dpni);
 758
 759         eth_dev->dev_ops = NULL;
 760         eth_dev->rx_pkt_burst = NULL;
 761         eth_dev->tx_pkt_burst = NULL;
 762
 763         return 0;
 764 }
 765
 766 static int
 767 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
 768                 struct rte_dpaa2_device *dpaa2_dev)
 769 {
 770         struct rte_eth_dev *eth_dev;
 771         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 772
 773         int diag;
 774
 775         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
 776
 777         eth_dev = rte_eth_dev_allocate(ethdev_name);
 778         if (eth_dev == NULL)
 779                 return -ENOMEM;
 780
 781         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 782                 eth_dev->data->dev_private = rte_zmalloc(
 783                                                 "ethdev private structure",
 784                                                 sizeof(struct dpaa2_dev_priv),
 785                                                 RTE_CACHE_LINE_SIZE);
 786                 if (eth_dev->data->dev_private == NULL) {
 787                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
 788                                      " private port data\n");
 789                         rte_eth_dev_release_port(eth_dev);
 790                         return -ENOMEM;
 791                 }
 792         }
 793         eth_dev->device = &dpaa2_dev->device;
 794         dpaa2_dev->eth_dev = eth_dev;
 795         eth_dev->data->rx_mbuf_alloc_failed = 0;
 796
 797         /* Invoke PMD device initialization function */
 798         diag = dpaa2_dev_init(eth_dev);
 799         if (diag == 0)
 800                 return 0;
 801
 802         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 803                 rte_free(eth_dev->data->dev_private);
 804         rte_eth_dev_release_port(eth_dev);
 805         return diag;
 806 }
 807
 808 static int
 809 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
 810 {
 811         struct rte_eth_dev *eth_dev;
 812
 813         eth_dev = dpaa2_dev->eth_dev;
 814         dpaa2_dev_uninit(eth_dev);
 815
 816         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 817                 rte_free(eth_dev->data->dev_private);
 818         rte_eth_dev_release_port(eth_dev);
 819
 820         return 0;
 821 }
 822
 823 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
 824         .drv_type = DPAA2_MC_DPNI_DEVID,
 825         .probe = rte_dpaa2_probe,
 826         .remove = rte_dpaa2_remove,
 827 };
 828
 829 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);