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 int
 314 dpaa2_dev_start(struct rte_eth_dev *dev)
 315 {
 316         struct rte_eth_dev_data *data = dev->data;
 317         struct dpaa2_dev_priv *priv = data->dev_private;
 318         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 319         struct dpni_queue cfg;
 320         struct dpni_error_cfg   err_cfg;
 321         uint16_t qdid;
 322         struct dpni_queue_id qid;
 323         struct dpaa2_queue *dpaa2_q;
 324         int ret, i;
 325
 326         PMD_INIT_FUNC_TRACE();
 327
 328         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 329         if (ret) {
 330                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 331                              ret, priv->hw_id);
 332                 return ret;
 333         }
 334
 335         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 336                             DPNI_QUEUE_TX, &qdid);
 337         if (ret) {
 338                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 339                 return ret;
 340         }
 341         priv->qdid = qdid;
 342
 343         for (i = 0; i < data->nb_rx_queues; i++) {
 344                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 345                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 346                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 347                                        dpaa2_q->flow_id, &cfg, &qid);
 348                 if (ret) {
 349                         PMD_INIT_LOG(ERR, "Error to get flow "
 350                                      "information Error code = %d\n", ret);
 351                         return ret;
 352                 }
 353                 dpaa2_q->fqid = qid.fqid;
 354         }
 355
 356         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 357                                DPNI_OFF_RX_L3_CSUM, true);
 358         if (ret) {
 359                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 360                 return ret;
 361         }
 362
 363         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 364                                DPNI_OFF_RX_L4_CSUM, true);
 365         if (ret) {
 366                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 367                 return ret;
 368         }
 369
 370         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 371                                DPNI_OFF_TX_L3_CSUM, true);
 372         if (ret) {
 373                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 374                 return ret;
 375         }
 376
 377         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 378                                DPNI_OFF_TX_L4_CSUM, true);
 379         if (ret) {
 380                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 381                 return ret;
 382         }
 383
 384         /*checksum errors, send them to normal path and set it in annotation */
 385         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 386
 387         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 388         err_cfg.set_frame_annotation = true;
 389
 390         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 391                                        priv->token, &err_cfg);
 392         if (ret) {
 393                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 394                              "code = %d\n", ret);
 395                 return ret;
 396         }
 397
 398         return 0;
 399 }
 400
 401 /**
 402  *  This routine disables all traffic on the adapter by issuing a
 403  *  global reset on the MAC.
 404  */
 405 static void
 406 dpaa2_dev_stop(struct rte_eth_dev *dev)
 407 {
 408         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 409         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 410         int ret;
 411
 412         PMD_INIT_FUNC_TRACE();
 413
 414         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 415         if (ret) {
 416                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 417                              ret, priv->hw_id);
 418                 return;
 419         }
 420 }
 421
 422 static void
 423 dpaa2_dev_close(struct rte_eth_dev *dev)
 424 {
 425         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 426         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 427         int ret;
 428
 429         PMD_INIT_FUNC_TRACE();
 430
 431         /* Clean the device first */
 432         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 433         if (ret) {
 434                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 435                              " error code %d\n", ret);
 436                 return;
 437         }
 438 }
 439
 440 static void
 441 dpaa2_dev_promiscuous_enable(
 442                 struct rte_eth_dev *dev)
 443 {
 444         int ret;
 445         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 446         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 447
 448         PMD_INIT_FUNC_TRACE();
 449
 450         if (dpni == NULL) {
 451                 RTE_LOG(ERR, PMD, "dpni is NULL");
 452                 return;
 453         }
 454
 455         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 456         if (ret < 0)
 457                 RTE_LOG(ERR, PMD, "Unable to enable promiscuous mode %d", ret);
 458 }
 459
 460 static void
 461 dpaa2_dev_promiscuous_disable(
 462                 struct rte_eth_dev *dev)
 463 {
 464         int ret;
 465         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 466         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 467
 468         PMD_INIT_FUNC_TRACE();
 469
 470         if (dpni == NULL) {
 471                 RTE_LOG(ERR, PMD, "dpni is NULL");
 472                 return;
 473         }
 474
 475         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 476         if (ret < 0)
 477                 RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
 478 }
 479 static struct eth_dev_ops dpaa2_ethdev_ops = {
 480         .dev_configure    = dpaa2_eth_dev_configure,
 481         .dev_start            = dpaa2_dev_start,
 482         .dev_stop             = dpaa2_dev_stop,
 483         .dev_close            = dpaa2_dev_close,
 484         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
 485         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
 486         .dev_infos_get     = dpaa2_dev_info_get,
 487         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
 488         .rx_queue_release  = dpaa2_dev_rx_queue_release,
 489         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
 490         .tx_queue_release  = dpaa2_dev_tx_queue_release,
 491 };
 492
 493 static int
 494 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 495 {
 496         struct rte_device *dev = eth_dev->device;
 497         struct rte_dpaa2_device *dpaa2_dev;
 498         struct fsl_mc_io *dpni_dev;
 499         struct dpni_attr attr;
 500         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 501         struct dpni_buffer_layout layout;
 502         int i, ret, hw_id;
 503         int tot_size;
 504
 505         PMD_INIT_FUNC_TRACE();
 506
 507         /* For secondary processes, the primary has done all the work */
 508         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 509                 return 0;
 510
 511         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
 512
 513         hw_id = dpaa2_dev->object_id;
 514
 515         dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
 516         if (!dpni_dev) {
 517                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
 518                 return -1;
 519         }
 520
 521         dpni_dev->regs = rte_mcp_ptr_list[0];
 522         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
 523         if (ret) {
 524                 PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with"
 525                         " error code %d\n", hw_id, ret);
 526                 return -1;
 527         }
 528
 529         /* Clean the device first */
 530         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
 531         if (ret) {
 532                 PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with"
 533                         " error code %d\n", hw_id, ret);
 534                 return -1;
 535         }
 536
 537         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
 538         if (ret) {
 539                 PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, "
 540                         " error code %d\n", hw_id, ret);
 541                 return -1;
 542         }
 543
 544         priv->num_tc = attr.num_tcs;
 545         for (i = 0; i < attr.num_tcs; i++) {
 546                 priv->num_dist_per_tc[i] = attr.num_queues;
 547                 break;
 548         }
 549
 550         /* Distribution is per Tc only,
 551          * so choosing RX queues from default TC only
 552          */
 553         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
 554
 555         if (attr.num_tcs == 1)
 556                 priv->nb_tx_queues = attr.num_queues;
 557         else
 558                 priv->nb_tx_queues = attr.num_tcs;
 559
 560         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
 561         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
 562
 563         priv->hw = dpni_dev;
 564         priv->hw_id = hw_id;
 565         priv->options = attr.options;
 566         priv->max_mac_filters = attr.mac_filter_entries;
 567         priv->max_vlan_filters = attr.vlan_filter_entries;
 568         priv->flags = 0;
 569
 570         /* Allocate memory for hardware structure for queues */
 571         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
 572         if (ret) {
 573                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
 574                 return -ret;
 575         }
 576
 577         /* Allocate memory for storing MAC addresses */
 578         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
 579                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
 580         if (eth_dev->data->mac_addrs == NULL) {
 581                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 582                                                 "store MAC addresses",
 583                                 ETHER_ADDR_LEN * attr.mac_filter_entries);
 584                 return -ENOMEM;
 585         }
 586
 587         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
 588                                         priv->token,
 589                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
 590         if (ret) {
 591                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:"
 592                                         " Error Code = %d\n", ret);
 593                 return -ret;
 594         }
 595
 596         /* ... rx buffer layout ... */
 597         tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
 598         tot_size = RTE_ALIGN_CEIL(tot_size,
 599                                   DPAA2_PACKET_LAYOUT_ALIGN);
 600
 601         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 602         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 603                                 DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 604                                 DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 605                                 DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 606
 607         layout.pass_frame_status = 1;
 608         layout.data_head_room = tot_size
 609                 - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
 610         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 611         layout.pass_parser_result = 1;
 612         PMD_INIT_LOG(DEBUG, "Tot_size = %d, head room = %d, private = %d",
 613                      tot_size, layout.data_head_room, layout.private_data_size);
 614         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 615                                      DPNI_QUEUE_RX, &layout);
 616         if (ret) {
 617                 PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout", ret);
 618                 return -1;
 619         }
 620
 621         /* ... tx buffer layout ... */
 622         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 623         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 624         layout.pass_frame_status = 1;
 625         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 626                                      DPNI_QUEUE_TX, &layout);
 627         if (ret) {
 628                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer"
 629                                   " layout", ret);
 630                 return -1;
 631         }
 632
 633         /* ... tx-conf and error buffer layout ... */
 634         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 635         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 636         layout.pass_frame_status = 1;
 637         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 638                                      DPNI_QUEUE_TX_CONFIRM, &layout);
 639         if (ret) {
 640                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer"
 641                                   " layout", ret);
 642                 return -1;
 643         }
 644
 645         eth_dev->dev_ops = &dpaa2_ethdev_ops;
 646         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 647
 648         return 0;
 649 }
 650
 651 static int
 652 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 653 {
 654         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 655         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 656         int i, ret;
 657         struct dpaa2_queue *dpaa2_q;
 658
 659         PMD_INIT_FUNC_TRACE();
 660
 661         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 662                 return -EPERM;
 663
 664         if (!dpni) {
 665                 PMD_INIT_LOG(WARNING, "Already closed or not started");
 666                 return -1;
 667         }
 668
 669         dpaa2_dev_close(eth_dev);
 670
 671         if (priv->rx_vq[0]) {
 672                 /* cleaning up queue storage */
 673                 for (i = 0; i < priv->nb_rx_queues; i++) {
 674                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 675                         if (dpaa2_q->q_storage)
 676                                 rte_free(dpaa2_q->q_storage);
 677                 }
 678                 /*free the all queue memory */
 679                 rte_free(priv->rx_vq[0]);
 680                 priv->rx_vq[0] = NULL;
 681         }
 682
 683         /* Allocate memory for storing MAC addresses */
 684         if (eth_dev->data->mac_addrs) {
 685                 rte_free(eth_dev->data->mac_addrs);
 686                 eth_dev->data->mac_addrs = NULL;
 687         }
 688
 689         /*Close the device at underlying layer*/
 690         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
 691         if (ret) {
 692                 PMD_INIT_LOG(ERR, "Failure closing dpni device with"
 693                         " error code %d\n", ret);
 694         }
 695
 696         /*Free the allocated memory for ethernet private data and dpni*/
 697         priv->hw = NULL;
 698         free(dpni);
 699
 700         eth_dev->dev_ops = NULL;
 701
 702         return 0;
 703 }
 704
 705 static int
 706 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
 707                 struct rte_dpaa2_device *dpaa2_dev)
 708 {
 709         struct rte_eth_dev *eth_dev;
 710         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 711
 712         int diag;
 713
 714         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
 715
 716         eth_dev = rte_eth_dev_allocate(ethdev_name);
 717         if (eth_dev == NULL)
 718                 return -ENOMEM;
 719
 720         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 721                 eth_dev->data->dev_private = rte_zmalloc(
 722                                                 "ethdev private structure",
 723                                                 sizeof(struct dpaa2_dev_priv),
 724                                                 RTE_CACHE_LINE_SIZE);
 725                 if (eth_dev->data->dev_private == NULL) {
 726                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
 727                                      " private port data\n");
 728                         rte_eth_dev_release_port(eth_dev);
 729                         return -ENOMEM;
 730                 }
 731         }
 732         eth_dev->device = &dpaa2_dev->device;
 733         dpaa2_dev->eth_dev = eth_dev;
 734         eth_dev->data->rx_mbuf_alloc_failed = 0;
 735
 736         /* Invoke PMD device initialization function */
 737         diag = dpaa2_dev_init(eth_dev);
 738         if (diag == 0)
 739                 return 0;
 740
 741         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 742                 rte_free(eth_dev->data->dev_private);
 743         rte_eth_dev_release_port(eth_dev);
 744         return diag;
 745 }
 746
 747 static int
 748 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
 749 {
 750         struct rte_eth_dev *eth_dev;
 751
 752         eth_dev = dpaa2_dev->eth_dev;
 753         dpaa2_dev_uninit(eth_dev);
 754
 755         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 756                 rte_free(eth_dev->data->dev_private);
 757         rte_eth_dev_release_port(eth_dev);
 758
 759         return 0;
 760 }
 761
 762 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
 763         .drv_type = DPAA2_MC_DPNI_DEVID,
 764         .probe = rte_dpaa2_probe,
 765         .remove = rte_dpaa2_remove,
 766 };
 767
 768 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);