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 #include <dpaa2_hw_dpio.h>
  53
  54 #include "dpaa2_ethdev.h"
  55
  56 static struct rte_dpaa2_driver rte_dpaa2_pmd;
  57
  58 /**
  59  * Atomically reads the link status information from global
  60  * structure rte_eth_dev.
  61  *
  62  * @param dev
  63  *   - Pointer to the structure rte_eth_dev to read from.
  64  *   - Pointer to the buffer to be saved with the link status.
  65  *
  66  * @return
  67  *   - On success, zero.
  68  *   - On failure, negative value.
  69  */
  70 static inline int
  71 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  72                                   struct rte_eth_link *link)
  73 {
  74         struct rte_eth_link *dst = link;
  75         struct rte_eth_link *src = &dev->data->dev_link;
  76
  77         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  78                                 *(uint64_t *)src) == 0)
  79                 return -1;
  80
  81         return 0;
  82 }
  83
  84 /**
  85  * Atomically writes the link status information into global
  86  * structure rte_eth_dev.
  87  *
  88  * @param dev
  89  *   - Pointer to the structure rte_eth_dev to read from.
  90  *   - Pointer to the buffer to be saved with the link status.
  91  *
  92  * @return
  93  *   - On success, zero.
  94  *   - On failure, negative value.
  95  */
  96 static inline int
  97 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
  98                                    struct rte_eth_link *link)
  99 {
 100         struct rte_eth_link *dst = &dev->data->dev_link;
 101         struct rte_eth_link *src = link;
 102
 103         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 104                                 *(uint64_t *)src) == 0)
 105                 return -1;
 106
 107         return 0;
 108 }
 109
 110 static void
 111 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 112 {
 113         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 114
 115         PMD_INIT_FUNC_TRACE();
 116
 117         dev_info->if_index = priv->hw_id;
 118
 119         dev_info->max_mac_addrs = priv->max_mac_filters;
 120         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 121         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 122         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 123         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 124         dev_info->rx_offload_capa =
 125                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 126                 DEV_RX_OFFLOAD_UDP_CKSUM |
 127                 DEV_RX_OFFLOAD_TCP_CKSUM |
 128                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 129         dev_info->tx_offload_capa =
 130                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 131                 DEV_TX_OFFLOAD_UDP_CKSUM |
 132                 DEV_TX_OFFLOAD_TCP_CKSUM |
 133                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 134                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 135         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 136                         ETH_LINK_SPEED_2_5G |
 137                         ETH_LINK_SPEED_10G;
 138 }
 139
 140 static int
 141 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 142 {
 143         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 144         uint16_t dist_idx;
 145         uint32_t vq_id;
 146         struct dpaa2_queue *mc_q, *mcq;
 147         uint32_t tot_queues;
 148         int i;
 149         struct dpaa2_queue *dpaa2_q;
 150
 151         PMD_INIT_FUNC_TRACE();
 152
 153         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 154         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 155                           RTE_CACHE_LINE_SIZE);
 156         if (!mc_q) {
 157                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 158                 return -1;
 159         }
 160
 161         for (i = 0; i < priv->nb_rx_queues; i++) {
 162                 mc_q->dev = dev;
 163                 priv->rx_vq[i] = mc_q++;
 164                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 165                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 166                                         sizeof(struct queue_storage_info_t),
 167                                         RTE_CACHE_LINE_SIZE);
 168                 if (!dpaa2_q->q_storage)
 169                         goto fail;
 170
 171                 memset(dpaa2_q->q_storage, 0,
 172                        sizeof(struct queue_storage_info_t));
 173                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
 174                         goto fail;
 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                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
 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         /*if ls2088 or rev2 device, enable the stashing */
 281         if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) {
 282                 options |= DPNI_QUEUE_OPT_FLC;
 283                 cfg.flc.stash_control = true;
 284                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 285                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 286                  * data stashing setting 01 01 00 (0x14) to enable
 287                  * 1 line annotation, 1 line context
 288                  */
 289                 cfg.flc.value |= 0x14;
 290         }
 291         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 292                              dpaa2_q->tc_index, flow_id, options, &cfg);
 293         if (ret) {
 294                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 295                 return -1;
 296         }
 297
 298         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 299         return 0;
 300 }
 301
 302 static int
 303 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 304                          uint16_t tx_queue_id,
 305                          uint16_t nb_tx_desc __rte_unused,
 306                          unsigned int socket_id __rte_unused,
 307                          const struct rte_eth_txconf *tx_conf __rte_unused)
 308 {
 309         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 310         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 311                 priv->tx_vq[tx_queue_id];
 312         struct fsl_mc_io *dpni = priv->hw;
 313         struct dpni_queue tx_conf_cfg;
 314         struct dpni_queue tx_flow_cfg;
 315         uint8_t options = 0, flow_id;
 316         uint32_t tc_id;
 317         int ret;
 318
 319         PMD_INIT_FUNC_TRACE();
 320
 321         /* Return if queue already configured */
 322         if (dpaa2_q->flow_id != DPNI_NEW_FLOW_ID)
 323                 return 0;
 324
 325         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 326         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 327
 328         if (priv->num_tc == 1) {
 329                 tc_id = 0;
 330                 flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
 331         } else {
 332                 tc_id = tx_queue_id;
 333                 flow_id = 0;
 334         }
 335
 336         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 337                              tc_id, flow_id, options, &tx_flow_cfg);
 338         if (ret) {
 339                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 340                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 341                              tc_id, flow_id, -ret);
 342                         return -1;
 343         }
 344
 345         dpaa2_q->flow_id = flow_id;
 346
 347         if (tx_queue_id == 0) {
 348                 /*Set tx-conf and error configuration*/
 349                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 350                                                     priv->token,
 351                                                     DPNI_CONF_DISABLE);
 352                 if (ret) {
 353                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 354                                      " ErrorCode = %x", ret);
 355                         return -1;
 356                 }
 357         }
 358         dpaa2_q->tc_index = tc_id;
 359
 360         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 361         return 0;
 362 }
 363
 364 static void
 365 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 366 {
 367         PMD_INIT_FUNC_TRACE();
 368 }
 369
 370 static void
 371 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 372 {
 373         PMD_INIT_FUNC_TRACE();
 374 }
 375
 376 static const uint32_t *
 377 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 378 {
 379         static const uint32_t ptypes[] = {
 380                 /*todo -= add more types */
 381                 RTE_PTYPE_L2_ETHER,
 382                 RTE_PTYPE_L3_IPV4,
 383                 RTE_PTYPE_L3_IPV4_EXT,
 384                 RTE_PTYPE_L3_IPV6,
 385                 RTE_PTYPE_L3_IPV6_EXT,
 386                 RTE_PTYPE_L4_TCP,
 387                 RTE_PTYPE_L4_UDP,
 388                 RTE_PTYPE_L4_SCTP,
 389                 RTE_PTYPE_L4_ICMP,
 390                 RTE_PTYPE_UNKNOWN
 391         };
 392
 393         if (dev->rx_pkt_burst == dpaa2_dev_rx)
 394                 return ptypes;
 395         return NULL;
 396 }
 397
 398 static int
 399 dpaa2_dev_start(struct rte_eth_dev *dev)
 400 {
 401         struct rte_eth_dev_data *data = dev->data;
 402         struct dpaa2_dev_priv *priv = data->dev_private;
 403         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 404         struct dpni_queue cfg;
 405         struct dpni_error_cfg   err_cfg;
 406         uint16_t qdid;
 407         struct dpni_queue_id qid;
 408         struct dpaa2_queue *dpaa2_q;
 409         int ret, i;
 410
 411         PMD_INIT_FUNC_TRACE();
 412
 413         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 414         if (ret) {
 415                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 416                              ret, priv->hw_id);
 417                 return ret;
 418         }
 419
 420         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 421                             DPNI_QUEUE_TX, &qdid);
 422         if (ret) {
 423                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 424                 return ret;
 425         }
 426         priv->qdid = qdid;
 427
 428         for (i = 0; i < data->nb_rx_queues; i++) {
 429                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 430                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 431                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 432                                        dpaa2_q->flow_id, &cfg, &qid);
 433                 if (ret) {
 434                         PMD_INIT_LOG(ERR, "Error to get flow "
 435                                      "information Error code = %d\n", ret);
 436                         return ret;
 437                 }
 438                 dpaa2_q->fqid = qid.fqid;
 439         }
 440
 441         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 442                                DPNI_OFF_RX_L3_CSUM, true);
 443         if (ret) {
 444                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 445                 return ret;
 446         }
 447
 448         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 449                                DPNI_OFF_RX_L4_CSUM, true);
 450         if (ret) {
 451                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 452                 return ret;
 453         }
 454
 455         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 456                                DPNI_OFF_TX_L3_CSUM, true);
 457         if (ret) {
 458                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 459                 return ret;
 460         }
 461
 462         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 463                                DPNI_OFF_TX_L4_CSUM, true);
 464         if (ret) {
 465                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 466                 return ret;
 467         }
 468
 469         /*checksum errors, send them to normal path and set it in annotation */
 470         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 471
 472         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 473         err_cfg.set_frame_annotation = true;
 474
 475         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 476                                        priv->token, &err_cfg);
 477         if (ret) {
 478                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 479                              "code = %d\n", ret);
 480                 return ret;
 481         }
 482
 483         return 0;
 484 }
 485
 486 /**
 487  *  This routine disables all traffic on the adapter by issuing a
 488  *  global reset on the MAC.
 489  */
 490 static void
 491 dpaa2_dev_stop(struct rte_eth_dev *dev)
 492 {
 493         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 494         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 495         int ret;
 496         struct rte_eth_link link;
 497
 498         PMD_INIT_FUNC_TRACE();
 499
 500         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 501         if (ret) {
 502                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 503                              ret, priv->hw_id);
 504                 return;
 505         }
 506
 507         /* clear the recorded link status */
 508         memset(&link, 0, sizeof(link));
 509         dpaa2_dev_atomic_write_link_status(dev, &link);
 510 }
 511
 512 static void
 513 dpaa2_dev_close(struct rte_eth_dev *dev)
 514 {
 515         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 516         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 517         int ret;
 518
 519         PMD_INIT_FUNC_TRACE();
 520
 521         /* Clean the device first */
 522         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 523         if (ret) {
 524                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 525                              " error code %d\n", ret);
 526                 return;
 527         }
 528 }
 529
 530 static void
 531 dpaa2_dev_promiscuous_enable(
 532                 struct rte_eth_dev *dev)
 533 {
 534         int ret;
 535         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 536         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 537
 538         PMD_INIT_FUNC_TRACE();
 539
 540         if (dpni == NULL) {
 541                 RTE_LOG(ERR, PMD, "dpni is NULL");
 542                 return;
 543         }
 544
 545         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 546         if (ret < 0)
 547                 RTE_LOG(ERR, PMD, "Unable to enable promiscuous mode %d", ret);
 548 }
 549
 550 static void
 551 dpaa2_dev_promiscuous_disable(
 552                 struct rte_eth_dev *dev)
 553 {
 554         int ret;
 555         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 556         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 557
 558         PMD_INIT_FUNC_TRACE();
 559
 560         if (dpni == NULL) {
 561                 RTE_LOG(ERR, PMD, "dpni is NULL");
 562                 return;
 563         }
 564
 565         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 566         if (ret < 0)
 567                 RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
 568 }
 569
 570 static int
 571 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 572 {
 573         int ret;
 574         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 575         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 576         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 577
 578         PMD_INIT_FUNC_TRACE();
 579
 580         if (dpni == NULL) {
 581                 RTE_LOG(ERR, PMD, "dpni is NULL");
 582                 return -EINVAL;
 583         }
 584
 585         /* check that mtu is within the allowed range */
 586         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 587                 return -EINVAL;
 588
 589         /* Set the Max Rx frame length as 'mtu' +
 590          * Maximum Ethernet header length
 591          */
 592         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 593                                         mtu + ETH_VLAN_HLEN);
 594         if (ret) {
 595                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 596                 return -1;
 597         }
 598         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 599         return 0;
 600 }
 601
 602 static
 603 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 604                          struct rte_eth_stats *stats)
 605 {
 606         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 607         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 608         int32_t  retcode;
 609         uint8_t page0 = 0, page1 = 1, page2 = 2;
 610         union dpni_statistics value;
 611
 612         memset(&value, 0, sizeof(union dpni_statistics));
 613
 614         PMD_INIT_FUNC_TRACE();
 615
 616         if (!dpni) {
 617                 RTE_LOG(ERR, PMD, "dpni is NULL");
 618                 return;
 619         }
 620
 621         if (!stats) {
 622                 RTE_LOG(ERR, PMD, "stats is NULL");
 623                 return;
 624         }
 625
 626         /*Get Counters from page_0*/
 627         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 628                                       page0, &value);
 629         if (retcode)
 630                 goto err;
 631
 632         stats->ipackets = value.page_0.ingress_all_frames;
 633         stats->ibytes = value.page_0.ingress_all_bytes;
 634
 635         /*Get Counters from page_1*/
 636         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 637                                       page1, &value);
 638         if (retcode)
 639                 goto err;
 640
 641         stats->opackets = value.page_1.egress_all_frames;
 642         stats->obytes = value.page_1.egress_all_bytes;
 643
 644         /*Get Counters from page_2*/
 645         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 646                                       page2, &value);
 647         if (retcode)
 648                 goto err;
 649
 650         stats->ierrors = value.page_2.ingress_discarded_frames;
 651         stats->oerrors = value.page_2.egress_discarded_frames;
 652         stats->imissed = value.page_2.ingress_nobuffer_discards;
 653
 654         return;
 655
 656 err:
 657         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 658         return;
 659 };
 660
 661 static
 662 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 663 {
 664         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 665         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 666         int32_t  retcode;
 667
 668         PMD_INIT_FUNC_TRACE();
 669
 670         if (dpni == NULL) {
 671                 RTE_LOG(ERR, PMD, "dpni is NULL");
 672                 return;
 673         }
 674
 675         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 676         if (retcode)
 677                 goto error;
 678
 679         return;
 680
 681 error:
 682         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 683         return;
 684 };
 685
 686 /* return 0 means link status changed, -1 means not changed */
 687 static int
 688 dpaa2_dev_link_update(struct rte_eth_dev *dev,
 689                         int wait_to_complete __rte_unused)
 690 {
 691         int ret;
 692         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 693         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 694         struct rte_eth_link link, old;
 695         struct dpni_link_state state = {0};
 696
 697         PMD_INIT_FUNC_TRACE();
 698
 699         if (dpni == NULL) {
 700                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
 701                 return 0;
 702         }
 703         memset(&old, 0, sizeof(old));
 704         dpaa2_dev_atomic_read_link_status(dev, &old);
 705
 706         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
 707         if (ret < 0) {
 708                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
 709                 return -1;
 710         }
 711
 712         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
 713                 RTE_LOG(DEBUG, PMD, "No change in status\n");
 714                 return -1;
 715         }
 716
 717         memset(&link, 0, sizeof(struct rte_eth_link));
 718         link.link_status = state.up;
 719         link.link_speed = state.rate;
 720
 721         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
 722                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 723         else
 724                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 725
 726         dpaa2_dev_atomic_write_link_status(dev, &link);
 727
 728         if (link.link_status)
 729                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
 730         else
 731                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
 732         return 0;
 733 }
 734
 735 static struct eth_dev_ops dpaa2_ethdev_ops = {
 736         .dev_configure    = dpaa2_eth_dev_configure,
 737         .dev_start            = dpaa2_dev_start,
 738         .dev_stop             = dpaa2_dev_stop,
 739         .dev_close            = dpaa2_dev_close,
 740         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
 741         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
 742         .link_update       = dpaa2_dev_link_update,
 743         .stats_get             = dpaa2_dev_stats_get,
 744         .stats_reset       = dpaa2_dev_stats_reset,
 745         .dev_infos_get     = dpaa2_dev_info_get,
 746         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
 747         .mtu_set           = dpaa2_dev_mtu_set,
 748         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
 749         .rx_queue_release  = dpaa2_dev_rx_queue_release,
 750         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
 751         .tx_queue_release  = dpaa2_dev_tx_queue_release,
 752 };
 753
 754 static int
 755 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 756 {
 757         struct rte_device *dev = eth_dev->device;
 758         struct rte_dpaa2_device *dpaa2_dev;
 759         struct fsl_mc_io *dpni_dev;
 760         struct dpni_attr attr;
 761         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 762         struct dpni_buffer_layout layout;
 763         int i, ret, hw_id;
 764         int tot_size;
 765
 766         PMD_INIT_FUNC_TRACE();
 767
 768         /* For secondary processes, the primary has done all the work */
 769         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 770                 return 0;
 771
 772         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
 773
 774         hw_id = dpaa2_dev->object_id;
 775
 776         dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
 777         if (!dpni_dev) {
 778                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
 779                 return -1;
 780         }
 781
 782         dpni_dev->regs = rte_mcp_ptr_list[0];
 783         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
 784         if (ret) {
 785                 PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with"
 786                         " error code %d\n", hw_id, ret);
 787                 return -1;
 788         }
 789
 790         /* Clean the device first */
 791         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
 792         if (ret) {
 793                 PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with"
 794                         " error code %d\n", hw_id, ret);
 795                 return -1;
 796         }
 797
 798         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
 799         if (ret) {
 800                 PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, "
 801                         " error code %d\n", hw_id, ret);
 802                 return -1;
 803         }
 804
 805         priv->num_tc = attr.num_tcs;
 806         for (i = 0; i < attr.num_tcs; i++) {
 807                 priv->num_dist_per_tc[i] = attr.num_queues;
 808                 break;
 809         }
 810
 811         /* Distribution is per Tc only,
 812          * so choosing RX queues from default TC only
 813          */
 814         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
 815
 816         if (attr.num_tcs == 1)
 817                 priv->nb_tx_queues = attr.num_queues;
 818         else
 819                 priv->nb_tx_queues = attr.num_tcs;
 820
 821         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
 822         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
 823
 824         priv->hw = dpni_dev;
 825         priv->hw_id = hw_id;
 826         priv->options = attr.options;
 827         priv->max_mac_filters = attr.mac_filter_entries;
 828         priv->max_vlan_filters = attr.vlan_filter_entries;
 829         priv->flags = 0;
 830
 831         /* Allocate memory for hardware structure for queues */
 832         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
 833         if (ret) {
 834                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
 835                 return -ret;
 836         }
 837
 838         /* Allocate memory for storing MAC addresses */
 839         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
 840                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
 841         if (eth_dev->data->mac_addrs == NULL) {
 842                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 843                                                 "store MAC addresses",
 844                                 ETHER_ADDR_LEN * attr.mac_filter_entries);
 845                 return -ENOMEM;
 846         }
 847
 848         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
 849                                         priv->token,
 850                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
 851         if (ret) {
 852                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:"
 853                                         " Error Code = %d\n", ret);
 854                 return -ret;
 855         }
 856
 857         /* ... rx buffer layout ... */
 858         tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
 859         tot_size = RTE_ALIGN_CEIL(tot_size,
 860                                   DPAA2_PACKET_LAYOUT_ALIGN);
 861
 862         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 863         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 864                                 DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 865                                 DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 866                                 DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 867
 868         layout.pass_frame_status = 1;
 869         layout.data_head_room = tot_size
 870                 - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
 871         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 872         layout.pass_parser_result = 1;
 873         PMD_INIT_LOG(DEBUG, "Tot_size = %d, head room = %d, private = %d",
 874                      tot_size, layout.data_head_room, layout.private_data_size);
 875         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 876                                      DPNI_QUEUE_RX, &layout);
 877         if (ret) {
 878                 PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout", ret);
 879                 return -1;
 880         }
 881
 882         /* ... tx buffer layout ... */
 883         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 884         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 885         layout.pass_frame_status = 1;
 886         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 887                                      DPNI_QUEUE_TX, &layout);
 888         if (ret) {
 889                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer"
 890                                   " layout", ret);
 891                 return -1;
 892         }
 893
 894         /* ... tx-conf and error buffer layout ... */
 895         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 896         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 897         layout.pass_frame_status = 1;
 898         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 899                                      DPNI_QUEUE_TX_CONFIRM, &layout);
 900         if (ret) {
 901                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer"
 902                                   " layout", ret);
 903                 return -1;
 904         }
 905
 906         eth_dev->dev_ops = &dpaa2_ethdev_ops;
 907         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 908
 909         eth_dev->rx_pkt_burst = dpaa2_dev_rx;
 910         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
 911         rte_fslmc_vfio_dmamap();
 912
 913         return 0;
 914 }
 915
 916 static int
 917 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 918 {
 919         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 920         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 921         int i, ret;
 922         struct dpaa2_queue *dpaa2_q;
 923
 924         PMD_INIT_FUNC_TRACE();
 925
 926         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 927                 return -EPERM;
 928
 929         if (!dpni) {
 930                 PMD_INIT_LOG(WARNING, "Already closed or not started");
 931                 return -1;
 932         }
 933
 934         dpaa2_dev_close(eth_dev);
 935
 936         if (priv->rx_vq[0]) {
 937                 /* cleaning up queue storage */
 938                 for (i = 0; i < priv->nb_rx_queues; i++) {
 939                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 940                         if (dpaa2_q->q_storage)
 941                                 rte_free(dpaa2_q->q_storage);
 942                 }
 943                 /*free the all queue memory */
 944                 rte_free(priv->rx_vq[0]);
 945                 priv->rx_vq[0] = NULL;
 946         }
 947
 948         /* Allocate memory for storing MAC addresses */
 949         if (eth_dev->data->mac_addrs) {
 950                 rte_free(eth_dev->data->mac_addrs);
 951                 eth_dev->data->mac_addrs = NULL;
 952         }
 953
 954         /*Close the device at underlying layer*/
 955         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
 956         if (ret) {
 957                 PMD_INIT_LOG(ERR, "Failure closing dpni device with"
 958                         " error code %d\n", ret);
 959         }
 960
 961         /*Free the allocated memory for ethernet private data and dpni*/
 962         priv->hw = NULL;
 963         free(dpni);
 964
 965         eth_dev->dev_ops = NULL;
 966         eth_dev->rx_pkt_burst = NULL;
 967         eth_dev->tx_pkt_burst = NULL;
 968
 969         return 0;
 970 }
 971
 972 static int
 973 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
 974                 struct rte_dpaa2_device *dpaa2_dev)
 975 {
 976         struct rte_eth_dev *eth_dev;
 977         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 978
 979         int diag;
 980
 981         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
 982
 983         eth_dev = rte_eth_dev_allocate(ethdev_name);
 984         if (eth_dev == NULL)
 985                 return -ENOMEM;
 986
 987         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 988                 eth_dev->data->dev_private = rte_zmalloc(
 989                                                 "ethdev private structure",
 990                                                 sizeof(struct dpaa2_dev_priv),
 991                                                 RTE_CACHE_LINE_SIZE);
 992                 if (eth_dev->data->dev_private == NULL) {
 993                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
 994                                      " private port data\n");
 995                         rte_eth_dev_release_port(eth_dev);
 996                         return -ENOMEM;
 997                 }
 998         }
 999         eth_dev->device = &dpaa2_dev->device;
1000         dpaa2_dev->eth_dev = eth_dev;
1001         eth_dev->data->rx_mbuf_alloc_failed = 0;
1002
1003         /* Invoke PMD device initialization function */
1004         diag = dpaa2_dev_init(eth_dev);
1005         if (diag == 0)
1006                 return 0;
1007
1008         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1009                 rte_free(eth_dev->data->dev_private);
1010         rte_eth_dev_release_port(eth_dev);
1011         return diag;
1012 }
1013
1014 static int
1015 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1016 {
1017         struct rte_eth_dev *eth_dev;
1018
1019         eth_dev = dpaa2_dev->eth_dev;
1020         dpaa2_dev_uninit(eth_dev);
1021
1022         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1023                 rte_free(eth_dev->data->dev_private);
1024         rte_eth_dev_release_port(eth_dev);
1025
1026         return 0;
1027 }
1028
1029 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1030         .drv_type = DPAA2_MC_DPNI_DEVID,
1031         .probe = rte_dpaa2_probe,
1032         .remove = rte_dpaa2_remove,
1033 };
1034
1035 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);