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 /**
  58  * Atomically reads the link status information from global
  59  * structure rte_eth_dev.
  60  *
  61  * @param dev
  62  *   - Pointer to the structure rte_eth_dev to read from.
  63  *   - Pointer to the buffer to be saved with the link status.
  64  *
  65  * @return
  66  *   - On success, zero.
  67  *   - On failure, negative value.
  68  */
  69 static inline int
  70 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  71                                   struct rte_eth_link *link)
  72 {
  73         struct rte_eth_link *dst = link;
  74         struct rte_eth_link *src = &dev->data->dev_link;
  75
  76         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  77                                 *(uint64_t *)src) == 0)
  78                 return -1;
  79
  80         return 0;
  81 }
  82
  83 /**
  84  * Atomically writes the link status information into global
  85  * structure rte_eth_dev.
  86  *
  87  * @param dev
  88  *   - Pointer to the structure rte_eth_dev to read from.
  89  *   - Pointer to the buffer to be saved with the link status.
  90  *
  91  * @return
  92  *   - On success, zero.
  93  *   - On failure, negative value.
  94  */
  95 static inline int
  96 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
  97                                    struct rte_eth_link *link)
  98 {
  99         struct rte_eth_link *dst = &dev->data->dev_link;
 100         struct rte_eth_link *src = link;
 101
 102         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 103                                 *(uint64_t *)src) == 0)
 104                 return -1;
 105
 106         return 0;
 107 }
 108
 109 static void
 110 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 111 {
 112         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 113
 114         PMD_INIT_FUNC_TRACE();
 115
 116         dev_info->if_index = priv->hw_id;
 117
 118         dev_info->max_mac_addrs = priv->max_mac_filters;
 119         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 120         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 121         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 122         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 123         dev_info->rx_offload_capa =
 124                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 125                 DEV_RX_OFFLOAD_UDP_CKSUM |
 126                 DEV_RX_OFFLOAD_TCP_CKSUM |
 127                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 128         dev_info->tx_offload_capa =
 129                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 130                 DEV_TX_OFFLOAD_UDP_CKSUM |
 131                 DEV_TX_OFFLOAD_TCP_CKSUM |
 132                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 133                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 134         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 135                         ETH_LINK_SPEED_2_5G |
 136                         ETH_LINK_SPEED_10G;
 137 }
 138
 139 static int
 140 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 141 {
 142         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 143         uint16_t dist_idx;
 144         uint32_t vq_id;
 145         struct dpaa2_queue *mc_q, *mcq;
 146         uint32_t tot_queues;
 147         int i;
 148         struct dpaa2_queue *dpaa2_q;
 149
 150         PMD_INIT_FUNC_TRACE();
 151
 152         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 153         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 154                           RTE_CACHE_LINE_SIZE);
 155         if (!mc_q) {
 156                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 157                 return -1;
 158         }
 159
 160         for (i = 0; i < priv->nb_rx_queues; i++) {
 161                 mc_q->dev = dev;
 162                 priv->rx_vq[i] = mc_q++;
 163                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 164                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 165                                         sizeof(struct queue_storage_info_t),
 166                                         RTE_CACHE_LINE_SIZE);
 167                 if (!dpaa2_q->q_storage)
 168                         goto fail;
 169
 170                 memset(dpaa2_q->q_storage, 0,
 171                        sizeof(struct queue_storage_info_t));
 172                 dpaa2_q->q_storage->dq_storage[0] = rte_malloc(NULL,
 173                         DPAA2_DQRR_RING_SIZE * sizeof(struct qbman_result),
 174                         RTE_CACHE_LINE_SIZE);
 175         }
 176
 177         for (i = 0; i < priv->nb_tx_queues; i++) {
 178                 mc_q->dev = dev;
 179                 mc_q->flow_id = DPNI_NEW_FLOW_ID;
 180                 priv->tx_vq[i] = mc_q++;
 181         }
 182
 183         vq_id = 0;
 184         for (dist_idx = 0; dist_idx < priv->num_dist_per_tc[DPAA2_DEF_TC];
 185              dist_idx++) {
 186                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 187                 mcq->tc_index = DPAA2_DEF_TC;
 188                 mcq->flow_id = dist_idx;
 189                 vq_id++;
 190         }
 191
 192         return 0;
 193 fail:
 194         i -= 1;
 195         mc_q = priv->rx_vq[0];
 196         while (i >= 0) {
 197                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 198                 rte_free(dpaa2_q->q_storage->dq_storage[0]);
 199                 rte_free(dpaa2_q->q_storage);
 200                 priv->rx_vq[i--] = NULL;
 201         }
 202         rte_free(mc_q);
 203         return -1;
 204 }
 205
 206 static int
 207 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 208 {
 209         struct rte_eth_dev_data *data = dev->data;
 210         struct rte_eth_conf *eth_conf = &data->dev_conf;
 211         int ret;
 212
 213         PMD_INIT_FUNC_TRACE();
 214
 215         /* Check for correct configuration */
 216         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 217             data->nb_rx_queues > 1) {
 218                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 219                             "but Rx queues more than 1\n");
 220                 return -1;
 221         }
 222
 223         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 224                 /* Return in case number of Rx queues is 1 */
 225                 if (data->nb_rx_queues == 1)
 226                         return 0;
 227                 ret = dpaa2_setup_flow_dist(dev,
 228                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 229                 if (ret) {
 230                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 231                                      "please check queue config\n");
 232                         return ret;
 233                 }
 234         }
 235         return 0;
 236 }
 237
 238 /* Function to setup RX flow information. It contains traffic class ID,
 239  * flow ID, destination configuration etc.
 240  */
 241 static int
 242 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 243                          uint16_t rx_queue_id,
 244                          uint16_t nb_rx_desc __rte_unused,
 245                          unsigned int socket_id __rte_unused,
 246                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 247                          struct rte_mempool *mb_pool)
 248 {
 249         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 250         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 251         struct dpaa2_queue *dpaa2_q;
 252         struct dpni_queue cfg;
 253         uint8_t options = 0;
 254         uint8_t flow_id;
 255         uint32_t bpid;
 256         int ret;
 257
 258         PMD_INIT_FUNC_TRACE();
 259
 260         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 261                      dev, rx_queue_id, mb_pool, rx_conf);
 262
 263         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 264                 bpid = mempool_to_bpid(mb_pool);
 265                 ret = dpaa2_attach_bp_list(priv,
 266                                            rte_dpaa2_bpid_info[bpid].bp_list);
 267                 if (ret)
 268                         return ret;
 269         }
 270         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 271         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 272
 273         /*Get the tc id and flow id from given VQ id*/
 274         flow_id = rx_queue_id % priv->num_dist_per_tc[dpaa2_q->tc_index];
 275         memset(&cfg, 0, sizeof(struct dpni_queue));
 276
 277         options = options | DPNI_QUEUE_OPT_USER_CTX;
 278         cfg.user_context = (uint64_t)(dpaa2_q);
 279
 280         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 281                              dpaa2_q->tc_index, flow_id, options, &cfg);
 282         if (ret) {
 283                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 284                 return -1;
 285         }
 286
 287         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 288         return 0;
 289 }
 290
 291 static int
 292 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 293                          uint16_t tx_queue_id,
 294                          uint16_t nb_tx_desc __rte_unused,
 295                          unsigned int socket_id __rte_unused,
 296                          const struct rte_eth_txconf *tx_conf __rte_unused)
 297 {
 298         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 299         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 300                 priv->tx_vq[tx_queue_id];
 301         struct fsl_mc_io *dpni = priv->hw;
 302         struct dpni_queue tx_conf_cfg;
 303         struct dpni_queue tx_flow_cfg;
 304         uint8_t options = 0, flow_id;
 305         uint32_t tc_id;
 306         int ret;
 307
 308         PMD_INIT_FUNC_TRACE();
 309
 310         /* Return if queue already configured */
 311         if (dpaa2_q->flow_id != DPNI_NEW_FLOW_ID)
 312                 return 0;
 313
 314         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 315         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 316
 317         if (priv->num_tc == 1) {
 318                 tc_id = 0;
 319                 flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
 320         } else {
 321                 tc_id = tx_queue_id;
 322                 flow_id = 0;
 323         }
 324
 325         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 326                              tc_id, flow_id, options, &tx_flow_cfg);
 327         if (ret) {
 328                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 329                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 330                              tc_id, flow_id, -ret);
 331                         return -1;
 332         }
 333
 334         dpaa2_q->flow_id = flow_id;
 335
 336         if (tx_queue_id == 0) {
 337                 /*Set tx-conf and error configuration*/
 338                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 339                                                     priv->token,
 340                                                     DPNI_CONF_DISABLE);
 341                 if (ret) {
 342                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 343                                      " ErrorCode = %x", ret);
 344                         return -1;
 345                 }
 346         }
 347         dpaa2_q->tc_index = tc_id;
 348
 349         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 350         return 0;
 351 }
 352
 353 static void
 354 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 355 {
 356         PMD_INIT_FUNC_TRACE();
 357 }
 358
 359 static void
 360 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 361 {
 362         PMD_INIT_FUNC_TRACE();
 363 }
 364
 365 static const uint32_t *
 366 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 367 {
 368         static const uint32_t ptypes[] = {
 369                 /*todo -= add more types */
 370                 RTE_PTYPE_L2_ETHER,
 371                 RTE_PTYPE_L3_IPV4,
 372                 RTE_PTYPE_L3_IPV4_EXT,
 373                 RTE_PTYPE_L3_IPV6,
 374                 RTE_PTYPE_L3_IPV6_EXT,
 375                 RTE_PTYPE_L4_TCP,
 376                 RTE_PTYPE_L4_UDP,
 377                 RTE_PTYPE_L4_SCTP,
 378                 RTE_PTYPE_L4_ICMP,
 379                 RTE_PTYPE_UNKNOWN
 380         };
 381
 382         if (dev->rx_pkt_burst == dpaa2_dev_rx)
 383                 return ptypes;
 384         return NULL;
 385 }
 386
 387 static int
 388 dpaa2_dev_start(struct rte_eth_dev *dev)
 389 {
 390         struct rte_eth_dev_data *data = dev->data;
 391         struct dpaa2_dev_priv *priv = data->dev_private;
 392         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 393         struct dpni_queue cfg;
 394         struct dpni_error_cfg   err_cfg;
 395         uint16_t qdid;
 396         struct dpni_queue_id qid;
 397         struct dpaa2_queue *dpaa2_q;
 398         int ret, i;
 399
 400         PMD_INIT_FUNC_TRACE();
 401
 402         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 403         if (ret) {
 404                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 405                              ret, priv->hw_id);
 406                 return ret;
 407         }
 408
 409         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 410                             DPNI_QUEUE_TX, &qdid);
 411         if (ret) {
 412                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 413                 return ret;
 414         }
 415         priv->qdid = qdid;
 416
 417         for (i = 0; i < data->nb_rx_queues; i++) {
 418                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 419                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 420                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 421                                        dpaa2_q->flow_id, &cfg, &qid);
 422                 if (ret) {
 423                         PMD_INIT_LOG(ERR, "Error to get flow "
 424                                      "information Error code = %d\n", ret);
 425                         return ret;
 426                 }
 427                 dpaa2_q->fqid = qid.fqid;
 428         }
 429
 430         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 431                                DPNI_OFF_RX_L3_CSUM, true);
 432         if (ret) {
 433                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 434                 return ret;
 435         }
 436
 437         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 438                                DPNI_OFF_RX_L4_CSUM, true);
 439         if (ret) {
 440                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 441                 return ret;
 442         }
 443
 444         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 445                                DPNI_OFF_TX_L3_CSUM, true);
 446         if (ret) {
 447                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 448                 return ret;
 449         }
 450
 451         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 452                                DPNI_OFF_TX_L4_CSUM, true);
 453         if (ret) {
 454                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 455                 return ret;
 456         }
 457
 458         /*checksum errors, send them to normal path and set it in annotation */
 459         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 460
 461         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 462         err_cfg.set_frame_annotation = true;
 463
 464         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 465                                        priv->token, &err_cfg);
 466         if (ret) {
 467                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 468                              "code = %d\n", ret);
 469                 return ret;
 470         }
 471
 472         return 0;
 473 }
 474
 475 /**
 476  *  This routine disables all traffic on the adapter by issuing a
 477  *  global reset on the MAC.
 478  */
 479 static void
 480 dpaa2_dev_stop(struct rte_eth_dev *dev)
 481 {
 482         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 483         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 484         int ret;
 485         struct rte_eth_link link;
 486
 487         PMD_INIT_FUNC_TRACE();
 488
 489         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 490         if (ret) {
 491                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 492                              ret, priv->hw_id);
 493                 return;
 494         }
 495
 496         /* clear the recorded link status */
 497         memset(&link, 0, sizeof(link));
 498         dpaa2_dev_atomic_write_link_status(dev, &link);
 499 }
 500
 501 static void
 502 dpaa2_dev_close(struct rte_eth_dev *dev)
 503 {
 504         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 505         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 506         int ret;
 507
 508         PMD_INIT_FUNC_TRACE();
 509
 510         /* Clean the device first */
 511         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 512         if (ret) {
 513                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 514                              " error code %d\n", ret);
 515                 return;
 516         }
 517 }
 518
 519 static void
 520 dpaa2_dev_promiscuous_enable(
 521                 struct rte_eth_dev *dev)
 522 {
 523         int ret;
 524         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 525         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 526
 527         PMD_INIT_FUNC_TRACE();
 528
 529         if (dpni == NULL) {
 530                 RTE_LOG(ERR, PMD, "dpni is NULL");
 531                 return;
 532         }
 533
 534         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 535         if (ret < 0)
 536                 RTE_LOG(ERR, PMD, "Unable to enable promiscuous mode %d", ret);
 537 }
 538
 539 static void
 540 dpaa2_dev_promiscuous_disable(
 541                 struct rte_eth_dev *dev)
 542 {
 543         int ret;
 544         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 545         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 546
 547         PMD_INIT_FUNC_TRACE();
 548
 549         if (dpni == NULL) {
 550                 RTE_LOG(ERR, PMD, "dpni is NULL");
 551                 return;
 552         }
 553
 554         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 555         if (ret < 0)
 556                 RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
 557 }
 558
 559 static int
 560 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 561 {
 562         int ret;
 563         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 564         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 565         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 566
 567         PMD_INIT_FUNC_TRACE();
 568
 569         if (dpni == NULL) {
 570                 RTE_LOG(ERR, PMD, "dpni is NULL");
 571                 return -EINVAL;
 572         }
 573
 574         /* check that mtu is within the allowed range */
 575         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 576                 return -EINVAL;
 577
 578         /* Set the Max Rx frame length as 'mtu' +
 579          * Maximum Ethernet header length
 580          */
 581         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 582                                         mtu + ETH_VLAN_HLEN);
 583         if (ret) {
 584                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 585                 return -1;
 586         }
 587         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 588         return 0;
 589 }
 590
 591 /* return 0 means link status changed, -1 means not changed */
 592 static int
 593 dpaa2_dev_link_update(struct rte_eth_dev *dev,
 594                         int wait_to_complete __rte_unused)
 595 {
 596         int ret;
 597         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 598         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 599         struct rte_eth_link link, old;
 600         struct dpni_link_state state = {0};
 601
 602         PMD_INIT_FUNC_TRACE();
 603
 604         if (dpni == NULL) {
 605                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
 606                 return 0;
 607         }
 608         memset(&old, 0, sizeof(old));
 609         dpaa2_dev_atomic_read_link_status(dev, &old);
 610
 611         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
 612         if (ret < 0) {
 613                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
 614                 return -1;
 615         }
 616
 617         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
 618                 RTE_LOG(DEBUG, PMD, "No change in status\n");
 619                 return -1;
 620         }
 621
 622         memset(&link, 0, sizeof(struct rte_eth_link));
 623         link.link_status = state.up;
 624         link.link_speed = state.rate;
 625
 626         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
 627                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 628         else
 629                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 630
 631         dpaa2_dev_atomic_write_link_status(dev, &link);
 632
 633         if (link.link_status)
 634                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
 635         else
 636                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
 637         return 0;
 638 }
 639
 640 static struct eth_dev_ops dpaa2_ethdev_ops = {
 641         .dev_configure    = dpaa2_eth_dev_configure,
 642         .dev_start            = dpaa2_dev_start,
 643         .dev_stop             = dpaa2_dev_stop,
 644         .dev_close            = dpaa2_dev_close,
 645         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
 646         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
 647         .link_update       = dpaa2_dev_link_update,
 648         .dev_infos_get     = dpaa2_dev_info_get,
 649         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
 650         .mtu_set           = dpaa2_dev_mtu_set,
 651         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
 652         .rx_queue_release  = dpaa2_dev_rx_queue_release,
 653         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
 654         .tx_queue_release  = dpaa2_dev_tx_queue_release,
 655 };
 656
 657 static int
 658 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 659 {
 660         struct rte_device *dev = eth_dev->device;
 661         struct rte_dpaa2_device *dpaa2_dev;
 662         struct fsl_mc_io *dpni_dev;
 663         struct dpni_attr attr;
 664         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 665         struct dpni_buffer_layout layout;
 666         int i, ret, hw_id;
 667         int tot_size;
 668
 669         PMD_INIT_FUNC_TRACE();
 670
 671         /* For secondary processes, the primary has done all the work */
 672         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 673                 return 0;
 674
 675         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
 676
 677         hw_id = dpaa2_dev->object_id;
 678
 679         dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
 680         if (!dpni_dev) {
 681                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
 682                 return -1;
 683         }
 684
 685         dpni_dev->regs = rte_mcp_ptr_list[0];
 686         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
 687         if (ret) {
 688                 PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with"
 689                         " error code %d\n", hw_id, ret);
 690                 return -1;
 691         }
 692
 693         /* Clean the device first */
 694         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
 695         if (ret) {
 696                 PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with"
 697                         " error code %d\n", hw_id, ret);
 698                 return -1;
 699         }
 700
 701         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
 702         if (ret) {
 703                 PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, "
 704                         " error code %d\n", hw_id, ret);
 705                 return -1;
 706         }
 707
 708         priv->num_tc = attr.num_tcs;
 709         for (i = 0; i < attr.num_tcs; i++) {
 710                 priv->num_dist_per_tc[i] = attr.num_queues;
 711                 break;
 712         }
 713
 714         /* Distribution is per Tc only,
 715          * so choosing RX queues from default TC only
 716          */
 717         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
 718
 719         if (attr.num_tcs == 1)
 720                 priv->nb_tx_queues = attr.num_queues;
 721         else
 722                 priv->nb_tx_queues = attr.num_tcs;
 723
 724         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
 725         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
 726
 727         priv->hw = dpni_dev;
 728         priv->hw_id = hw_id;
 729         priv->options = attr.options;
 730         priv->max_mac_filters = attr.mac_filter_entries;
 731         priv->max_vlan_filters = attr.vlan_filter_entries;
 732         priv->flags = 0;
 733
 734         /* Allocate memory for hardware structure for queues */
 735         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
 736         if (ret) {
 737                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
 738                 return -ret;
 739         }
 740
 741         /* Allocate memory for storing MAC addresses */
 742         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
 743                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
 744         if (eth_dev->data->mac_addrs == NULL) {
 745                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 746                                                 "store MAC addresses",
 747                                 ETHER_ADDR_LEN * attr.mac_filter_entries);
 748                 return -ENOMEM;
 749         }
 750
 751         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
 752                                         priv->token,
 753                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
 754         if (ret) {
 755                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:"
 756                                         " Error Code = %d\n", ret);
 757                 return -ret;
 758         }
 759
 760         /* ... rx buffer layout ... */
 761         tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
 762         tot_size = RTE_ALIGN_CEIL(tot_size,
 763                                   DPAA2_PACKET_LAYOUT_ALIGN);
 764
 765         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 766         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 767                                 DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 768                                 DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 769                                 DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 770
 771         layout.pass_frame_status = 1;
 772         layout.data_head_room = tot_size
 773                 - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
 774         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 775         layout.pass_parser_result = 1;
 776         PMD_INIT_LOG(DEBUG, "Tot_size = %d, head room = %d, private = %d",
 777                      tot_size, layout.data_head_room, layout.private_data_size);
 778         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 779                                      DPNI_QUEUE_RX, &layout);
 780         if (ret) {
 781                 PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout", ret);
 782                 return -1;
 783         }
 784
 785         /* ... tx buffer layout ... */
 786         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 787         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 788         layout.pass_frame_status = 1;
 789         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 790                                      DPNI_QUEUE_TX, &layout);
 791         if (ret) {
 792                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer"
 793                                   " layout", ret);
 794                 return -1;
 795         }
 796
 797         /* ... tx-conf and error buffer layout ... */
 798         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 799         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 800         layout.pass_frame_status = 1;
 801         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 802                                      DPNI_QUEUE_TX_CONFIRM, &layout);
 803         if (ret) {
 804                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer"
 805                                   " layout", ret);
 806                 return -1;
 807         }
 808
 809         eth_dev->dev_ops = &dpaa2_ethdev_ops;
 810         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 811
 812         eth_dev->rx_pkt_burst = dpaa2_dev_rx;
 813         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
 814         return 0;
 815 }
 816
 817 static int
 818 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 819 {
 820         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 821         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 822         int i, ret;
 823         struct dpaa2_queue *dpaa2_q;
 824
 825         PMD_INIT_FUNC_TRACE();
 826
 827         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 828                 return -EPERM;
 829
 830         if (!dpni) {
 831                 PMD_INIT_LOG(WARNING, "Already closed or not started");
 832                 return -1;
 833         }
 834
 835         dpaa2_dev_close(eth_dev);
 836
 837         if (priv->rx_vq[0]) {
 838                 /* cleaning up queue storage */
 839                 for (i = 0; i < priv->nb_rx_queues; i++) {
 840                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 841                         if (dpaa2_q->q_storage)
 842                                 rte_free(dpaa2_q->q_storage);
 843                 }
 844                 /*free the all queue memory */
 845                 rte_free(priv->rx_vq[0]);
 846                 priv->rx_vq[0] = NULL;
 847         }
 848
 849         /* Allocate memory for storing MAC addresses */
 850         if (eth_dev->data->mac_addrs) {
 851                 rte_free(eth_dev->data->mac_addrs);
 852                 eth_dev->data->mac_addrs = NULL;
 853         }
 854
 855         /*Close the device at underlying layer*/
 856         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
 857         if (ret) {
 858                 PMD_INIT_LOG(ERR, "Failure closing dpni device with"
 859                         " error code %d\n", ret);
 860         }
 861
 862         /*Free the allocated memory for ethernet private data and dpni*/
 863         priv->hw = NULL;
 864         free(dpni);
 865
 866         eth_dev->dev_ops = NULL;
 867         eth_dev->rx_pkt_burst = NULL;
 868         eth_dev->tx_pkt_burst = NULL;
 869
 870         return 0;
 871 }
 872
 873 static int
 874 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
 875                 struct rte_dpaa2_device *dpaa2_dev)
 876 {
 877         struct rte_eth_dev *eth_dev;
 878         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 879
 880         int diag;
 881
 882         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
 883
 884         eth_dev = rte_eth_dev_allocate(ethdev_name);
 885         if (eth_dev == NULL)
 886                 return -ENOMEM;
 887
 888         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 889                 eth_dev->data->dev_private = rte_zmalloc(
 890                                                 "ethdev private structure",
 891                                                 sizeof(struct dpaa2_dev_priv),
 892                                                 RTE_CACHE_LINE_SIZE);
 893                 if (eth_dev->data->dev_private == NULL) {
 894                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
 895                                      " private port data\n");
 896                         rte_eth_dev_release_port(eth_dev);
 897                         return -ENOMEM;
 898                 }
 899         }
 900         eth_dev->device = &dpaa2_dev->device;
 901         dpaa2_dev->eth_dev = eth_dev;
 902         eth_dev->data->rx_mbuf_alloc_failed = 0;
 903
 904         /* Invoke PMD device initialization function */
 905         diag = dpaa2_dev_init(eth_dev);
 906         if (diag == 0)
 907                 return 0;
 908
 909         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 910                 rte_free(eth_dev->data->dev_private);
 911         rte_eth_dev_release_port(eth_dev);
 912         return diag;
 913 }
 914
 915 static int
 916 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
 917 {
 918         struct rte_eth_dev *eth_dev;
 919
 920         eth_dev = dpaa2_dev->eth_dev;
 921         dpaa2_dev_uninit(eth_dev);
 922
 923         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 924                 rte_free(eth_dev->data->dev_private);
 925         rte_eth_dev_release_port(eth_dev);
 926
 927         return 0;
 928 }
 929
 930 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
 931         .drv_type = DPAA2_MC_DPNI_DEVID,
 932         .probe = rte_dpaa2_probe,
 933         .remove = rte_dpaa2_remove,
 934 };
 935
 936 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);