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 static int dpaa2_dev_uninit(struct rte_eth_dev *eth_dev);
  58
  59 /**
  60  * Atomically reads the link status information from global
  61  * structure rte_eth_dev.
  62  *
  63  * @param dev
  64  *   - Pointer to the structure rte_eth_dev to read from.
  65  *   - Pointer to the buffer to be saved with the link status.
  66  *
  67  * @return
  68  *   - On success, zero.
  69  *   - On failure, negative value.
  70  */
  71 static inline int
  72 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  73                                   struct rte_eth_link *link)
  74 {
  75         struct rte_eth_link *dst = link;
  76         struct rte_eth_link *src = &dev->data->dev_link;
  77
  78         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  79                                 *(uint64_t *)src) == 0)
  80                 return -1;
  81
  82         return 0;
  83 }
  84
  85 /**
  86  * Atomically writes the link status information into global
  87  * structure rte_eth_dev.
  88  *
  89  * @param dev
  90  *   - Pointer to the structure rte_eth_dev to read from.
  91  *   - Pointer to the buffer to be saved with the link status.
  92  *
  93  * @return
  94  *   - On success, zero.
  95  *   - On failure, negative value.
  96  */
  97 static inline int
  98 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
  99                                    struct rte_eth_link *link)
 100 {
 101         struct rte_eth_link *dst = &dev->data->dev_link;
 102         struct rte_eth_link *src = link;
 103
 104         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 105                                 *(uint64_t *)src) == 0)
 106                 return -1;
 107
 108         return 0;
 109 }
 110
 111 static void
 112 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 113 {
 114         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 115
 116         PMD_INIT_FUNC_TRACE();
 117
 118         dev_info->if_index = priv->hw_id;
 119
 120         dev_info->max_mac_addrs = priv->max_mac_filters;
 121         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 122         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 123         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 124         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 125         dev_info->rx_offload_capa =
 126                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 127                 DEV_RX_OFFLOAD_UDP_CKSUM |
 128                 DEV_RX_OFFLOAD_TCP_CKSUM |
 129                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 130         dev_info->tx_offload_capa =
 131                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 132                 DEV_TX_OFFLOAD_UDP_CKSUM |
 133                 DEV_TX_OFFLOAD_TCP_CKSUM |
 134                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 135                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 136         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 137                         ETH_LINK_SPEED_2_5G |
 138                         ETH_LINK_SPEED_10G;
 139 }
 140
 141 static int
 142 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 143 {
 144         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 145         uint16_t dist_idx;
 146         uint32_t vq_id;
 147         struct dpaa2_queue *mc_q, *mcq;
 148         uint32_t tot_queues;
 149         int i;
 150         struct dpaa2_queue *dpaa2_q;
 151
 152         PMD_INIT_FUNC_TRACE();
 153
 154         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 155         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 156                           RTE_CACHE_LINE_SIZE);
 157         if (!mc_q) {
 158                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 159                 return -1;
 160         }
 161
 162         for (i = 0; i < priv->nb_rx_queues; i++) {
 163                 mc_q->dev = dev;
 164                 priv->rx_vq[i] = mc_q++;
 165                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 166                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 167                                         sizeof(struct queue_storage_info_t),
 168                                         RTE_CACHE_LINE_SIZE);
 169                 if (!dpaa2_q->q_storage)
 170                         goto fail;
 171
 172                 memset(dpaa2_q->q_storage, 0,
 173                        sizeof(struct queue_storage_info_t));
 174                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
 175                         goto fail;
 176         }
 177
 178         for (i = 0; i < priv->nb_tx_queues; i++) {
 179                 mc_q->dev = dev;
 180                 mc_q->flow_id = 0xffff;
 181                 priv->tx_vq[i] = mc_q++;
 182                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 183                 dpaa2_q->cscn = rte_malloc(NULL,
 184                                            sizeof(struct qbman_result), 16);
 185                 if (!dpaa2_q->cscn)
 186                         goto fail_tx;
 187         }
 188
 189         vq_id = 0;
 190         for (dist_idx = 0; dist_idx < priv->num_dist_per_tc[DPAA2_DEF_TC];
 191              dist_idx++) {
 192                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 193                 mcq->tc_index = DPAA2_DEF_TC;
 194                 mcq->flow_id = dist_idx;
 195                 vq_id++;
 196         }
 197
 198         return 0;
 199 fail_tx:
 200         i -= 1;
 201         while (i >= 0) {
 202                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 203                 rte_free(dpaa2_q->cscn);
 204                 priv->tx_vq[i--] = NULL;
 205         }
 206         i = priv->nb_rx_queues;
 207 fail:
 208         i -= 1;
 209         mc_q = priv->rx_vq[0];
 210         while (i >= 0) {
 211                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 212                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
 213                 rte_free(dpaa2_q->q_storage);
 214                 priv->rx_vq[i--] = NULL;
 215         }
 216         rte_free(mc_q);
 217         return -1;
 218 }
 219
 220 static int
 221 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 222 {
 223         struct rte_eth_dev_data *data = dev->data;
 224         struct rte_eth_conf *eth_conf = &data->dev_conf;
 225         int ret;
 226
 227         PMD_INIT_FUNC_TRACE();
 228
 229         /* Check for correct configuration */
 230         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 231             data->nb_rx_queues > 1) {
 232                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 233                             "but Rx queues more than 1\n");
 234                 return -1;
 235         }
 236
 237         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 238                 /* Return in case number of Rx queues is 1 */
 239                 if (data->nb_rx_queues == 1)
 240                         return 0;
 241                 ret = dpaa2_setup_flow_dist(dev,
 242                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 243                 if (ret) {
 244                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 245                                      "please check queue config\n");
 246                         return ret;
 247                 }
 248         }
 249         return 0;
 250 }
 251
 252 /* Function to setup RX flow information. It contains traffic class ID,
 253  * flow ID, destination configuration etc.
 254  */
 255 static int
 256 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 257                          uint16_t rx_queue_id,
 258                          uint16_t nb_rx_desc __rte_unused,
 259                          unsigned int socket_id __rte_unused,
 260                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 261                          struct rte_mempool *mb_pool)
 262 {
 263         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 264         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 265         struct dpaa2_queue *dpaa2_q;
 266         struct dpni_queue cfg;
 267         uint8_t options = 0;
 268         uint8_t flow_id;
 269         uint32_t bpid;
 270         int ret;
 271
 272         PMD_INIT_FUNC_TRACE();
 273
 274         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 275                      dev, rx_queue_id, mb_pool, rx_conf);
 276
 277         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 278                 bpid = mempool_to_bpid(mb_pool);
 279                 ret = dpaa2_attach_bp_list(priv,
 280                                            rte_dpaa2_bpid_info[bpid].bp_list);
 281                 if (ret)
 282                         return ret;
 283         }
 284         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 285         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 286
 287         /*Get the tc id and flow id from given VQ id*/
 288         flow_id = rx_queue_id % priv->num_dist_per_tc[dpaa2_q->tc_index];
 289         memset(&cfg, 0, sizeof(struct dpni_queue));
 290
 291         options = options | DPNI_QUEUE_OPT_USER_CTX;
 292         cfg.user_context = (uint64_t)(dpaa2_q);
 293
 294         /*if ls2088 or rev2 device, enable the stashing */
 295         if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) {
 296                 options |= DPNI_QUEUE_OPT_FLC;
 297                 cfg.flc.stash_control = true;
 298                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 299                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 300                  * data stashing setting 01 01 00 (0x14) to enable
 301                  * 1 line data, 1 line annotation
 302                  */
 303                 cfg.flc.value |= 0x14;
 304         }
 305         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 306                              dpaa2_q->tc_index, flow_id, options, &cfg);
 307         if (ret) {
 308                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 309                 return -1;
 310         }
 311
 312         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 313         return 0;
 314 }
 315
 316 static int
 317 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 318                          uint16_t tx_queue_id,
 319                          uint16_t nb_tx_desc __rte_unused,
 320                          unsigned int socket_id __rte_unused,
 321                          const struct rte_eth_txconf *tx_conf __rte_unused)
 322 {
 323         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 324         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 325                 priv->tx_vq[tx_queue_id];
 326         struct fsl_mc_io *dpni = priv->hw;
 327         struct dpni_queue tx_conf_cfg;
 328         struct dpni_queue tx_flow_cfg;
 329         uint8_t options = 0, flow_id;
 330         uint32_t tc_id;
 331         int ret;
 332
 333         PMD_INIT_FUNC_TRACE();
 334
 335         /* Return if queue already configured */
 336         if (dpaa2_q->flow_id != 0xffff)
 337                 return 0;
 338
 339         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 340         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 341
 342         if (priv->num_tc == 1) {
 343                 tc_id = 0;
 344                 flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
 345         } else {
 346                 tc_id = tx_queue_id;
 347                 flow_id = 0;
 348         }
 349
 350         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 351                              tc_id, flow_id, options, &tx_flow_cfg);
 352         if (ret) {
 353                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 354                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 355                              tc_id, flow_id, -ret);
 356                         return -1;
 357         }
 358
 359         dpaa2_q->flow_id = flow_id;
 360
 361         if (tx_queue_id == 0) {
 362                 /*Set tx-conf and error configuration*/
 363                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 364                                                     priv->token,
 365                                                     DPNI_CONF_DISABLE);
 366                 if (ret) {
 367                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 368                                      " ErrorCode = %x", ret);
 369                         return -1;
 370                 }
 371         }
 372         dpaa2_q->tc_index = tc_id;
 373
 374         if (priv->flags & DPAA2_TX_CGR_SUPPORT) {
 375                 struct dpni_congestion_notification_cfg cong_notif_cfg;
 376
 377                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_BYTES;
 378                 /* Notify about congestion when the queue size is 32 KB */
 379                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 380                 /* Notify that the queue is not congested when the data in
 381                  * the queue is below this thershold.
 382                  */
 383                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 384                 cong_notif_cfg.message_ctx = 0;
 385                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 386                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 387                 cong_notif_cfg.notification_mode =
 388                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 389                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 390                                          DPNI_CONG_OPT_COHERENT_WRITE;
 391
 392                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 393                                                        priv->token,
 394                                                        DPNI_QUEUE_TX,
 395                                                        tc_id,
 396                                                        &cong_notif_cfg);
 397                 if (ret) {
 398                         PMD_INIT_LOG(ERR,
 399                            "Error in setting tx congestion notification: = %d",
 400                            -ret);
 401                         return -ret;
 402                 }
 403         }
 404         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 405         return 0;
 406 }
 407
 408 static void
 409 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 410 {
 411         PMD_INIT_FUNC_TRACE();
 412 }
 413
 414 static void
 415 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 416 {
 417         PMD_INIT_FUNC_TRACE();
 418 }
 419
 420 static const uint32_t *
 421 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 422 {
 423         static const uint32_t ptypes[] = {
 424                 /*todo -= add more types */
 425                 RTE_PTYPE_L2_ETHER,
 426                 RTE_PTYPE_L3_IPV4,
 427                 RTE_PTYPE_L3_IPV4_EXT,
 428                 RTE_PTYPE_L3_IPV6,
 429                 RTE_PTYPE_L3_IPV6_EXT,
 430                 RTE_PTYPE_L4_TCP,
 431                 RTE_PTYPE_L4_UDP,
 432                 RTE_PTYPE_L4_SCTP,
 433                 RTE_PTYPE_L4_ICMP,
 434                 RTE_PTYPE_UNKNOWN
 435         };
 436
 437         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 438                 return ptypes;
 439         return NULL;
 440 }
 441
 442 static int
 443 dpaa2_dev_start(struct rte_eth_dev *dev)
 444 {
 445         struct rte_eth_dev_data *data = dev->data;
 446         struct dpaa2_dev_priv *priv = data->dev_private;
 447         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 448         struct dpni_queue cfg;
 449         struct dpni_error_cfg   err_cfg;
 450         uint16_t qdid;
 451         struct dpni_queue_id qid;
 452         struct dpaa2_queue *dpaa2_q;
 453         int ret, i;
 454
 455         PMD_INIT_FUNC_TRACE();
 456
 457         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 458         if (ret) {
 459                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 460                              ret, priv->hw_id);
 461                 return ret;
 462         }
 463
 464         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 465                             DPNI_QUEUE_TX, &qdid);
 466         if (ret) {
 467                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 468                 return ret;
 469         }
 470         priv->qdid = qdid;
 471
 472         for (i = 0; i < data->nb_rx_queues; i++) {
 473                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 474                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 475                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 476                                        dpaa2_q->flow_id, &cfg, &qid);
 477                 if (ret) {
 478                         PMD_INIT_LOG(ERR, "Error to get flow "
 479                                      "information Error code = %d\n", ret);
 480                         return ret;
 481                 }
 482                 dpaa2_q->fqid = qid.fqid;
 483         }
 484
 485         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 486                                DPNI_OFF_RX_L3_CSUM, true);
 487         if (ret) {
 488                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 489                 return ret;
 490         }
 491
 492         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 493                                DPNI_OFF_RX_L4_CSUM, true);
 494         if (ret) {
 495                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 496                 return ret;
 497         }
 498
 499         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 500                                DPNI_OFF_TX_L3_CSUM, true);
 501         if (ret) {
 502                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 503                 return ret;
 504         }
 505
 506         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 507                                DPNI_OFF_TX_L4_CSUM, true);
 508         if (ret) {
 509                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 510                 return ret;
 511         }
 512
 513         /*checksum errors, send them to normal path and set it in annotation */
 514         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 515
 516         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 517         err_cfg.set_frame_annotation = true;
 518
 519         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 520                                        priv->token, &err_cfg);
 521         if (ret) {
 522                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 523                              "code = %d\n", ret);
 524                 return ret;
 525         }
 526
 527         return 0;
 528 }
 529
 530 /**
 531  *  This routine disables all traffic on the adapter by issuing a
 532  *  global reset on the MAC.
 533  */
 534 static void
 535 dpaa2_dev_stop(struct rte_eth_dev *dev)
 536 {
 537         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 538         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 539         int ret;
 540         struct rte_eth_link link;
 541
 542         PMD_INIT_FUNC_TRACE();
 543
 544         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 545         if (ret) {
 546                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 547                              ret, priv->hw_id);
 548                 return;
 549         }
 550
 551         /* clear the recorded link status */
 552         memset(&link, 0, sizeof(link));
 553         dpaa2_dev_atomic_write_link_status(dev, &link);
 554 }
 555
 556 static void
 557 dpaa2_dev_close(struct rte_eth_dev *dev)
 558 {
 559         struct rte_eth_dev_data *data = dev->data;
 560         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 561         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 562         int i, ret;
 563         struct dpaa2_queue *dpaa2_q;
 564
 565         PMD_INIT_FUNC_TRACE();
 566
 567         for (i = 0; i < data->nb_tx_queues; i++) {
 568                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 569                 if (!dpaa2_q->cscn) {
 570                         rte_free(dpaa2_q->cscn);
 571                         dpaa2_q->cscn = NULL;
 572                 }
 573         }
 574
 575         /* Clean the device first */
 576         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 577         if (ret) {
 578                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 579                              " error code %d\n", ret);
 580                 return;
 581         }
 582 }
 583
 584 static void
 585 dpaa2_dev_promiscuous_enable(
 586                 struct rte_eth_dev *dev)
 587 {
 588         int ret;
 589         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 590         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 591
 592         PMD_INIT_FUNC_TRACE();
 593
 594         if (dpni == NULL) {
 595                 RTE_LOG(ERR, PMD, "dpni is NULL");
 596                 return;
 597         }
 598
 599         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 600         if (ret < 0)
 601                 RTE_LOG(ERR, PMD, "Unable to enable promiscuous mode %d", ret);
 602 }
 603
 604 static void
 605 dpaa2_dev_promiscuous_disable(
 606                 struct rte_eth_dev *dev)
 607 {
 608         int ret;
 609         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 610         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 611
 612         PMD_INIT_FUNC_TRACE();
 613
 614         if (dpni == NULL) {
 615                 RTE_LOG(ERR, PMD, "dpni is NULL");
 616                 return;
 617         }
 618
 619         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 620         if (ret < 0)
 621                 RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
 622 }
 623
 624 static int
 625 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 626 {
 627         int ret;
 628         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 629         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 630         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 631
 632         PMD_INIT_FUNC_TRACE();
 633
 634         if (dpni == NULL) {
 635                 RTE_LOG(ERR, PMD, "dpni is NULL");
 636                 return -EINVAL;
 637         }
 638
 639         /* check that mtu is within the allowed range */
 640         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 641                 return -EINVAL;
 642
 643         /* Set the Max Rx frame length as 'mtu' +
 644          * Maximum Ethernet header length
 645          */
 646         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 647                                         mtu + ETH_VLAN_HLEN);
 648         if (ret) {
 649                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 650                 return -1;
 651         }
 652         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 653         return 0;
 654 }
 655
 656 static
 657 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 658                          struct rte_eth_stats *stats)
 659 {
 660         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 661         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 662         int32_t  retcode;
 663         uint8_t page0 = 0, page1 = 1, page2 = 2;
 664         union dpni_statistics value;
 665
 666         memset(&value, 0, sizeof(union dpni_statistics));
 667
 668         PMD_INIT_FUNC_TRACE();
 669
 670         if (!dpni) {
 671                 RTE_LOG(ERR, PMD, "dpni is NULL");
 672                 return;
 673         }
 674
 675         if (!stats) {
 676                 RTE_LOG(ERR, PMD, "stats is NULL");
 677                 return;
 678         }
 679
 680         /*Get Counters from page_0*/
 681         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 682                                       page0, &value);
 683         if (retcode)
 684                 goto err;
 685
 686         stats->ipackets = value.page_0.ingress_all_frames;
 687         stats->ibytes = value.page_0.ingress_all_bytes;
 688
 689         /*Get Counters from page_1*/
 690         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 691                                       page1, &value);
 692         if (retcode)
 693                 goto err;
 694
 695         stats->opackets = value.page_1.egress_all_frames;
 696         stats->obytes = value.page_1.egress_all_bytes;
 697
 698         /*Get Counters from page_2*/
 699         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 700                                       page2, &value);
 701         if (retcode)
 702                 goto err;
 703
 704         stats->ierrors = value.page_2.ingress_discarded_frames;
 705         stats->oerrors = value.page_2.egress_discarded_frames;
 706         stats->imissed = value.page_2.ingress_nobuffer_discards;
 707
 708         return;
 709
 710 err:
 711         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 712         return;
 713 };
 714
 715 static
 716 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 717 {
 718         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 719         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 720         int32_t  retcode;
 721
 722         PMD_INIT_FUNC_TRACE();
 723
 724         if (dpni == NULL) {
 725                 RTE_LOG(ERR, PMD, "dpni is NULL");
 726                 return;
 727         }
 728
 729         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 730         if (retcode)
 731                 goto error;
 732
 733         return;
 734
 735 error:
 736         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 737         return;
 738 };
 739
 740 /* return 0 means link status changed, -1 means not changed */
 741 static int
 742 dpaa2_dev_link_update(struct rte_eth_dev *dev,
 743                         int wait_to_complete __rte_unused)
 744 {
 745         int ret;
 746         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 747         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 748         struct rte_eth_link link, old;
 749         struct dpni_link_state state = {0};
 750
 751         PMD_INIT_FUNC_TRACE();
 752
 753         if (dpni == NULL) {
 754                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
 755                 return 0;
 756         }
 757         memset(&old, 0, sizeof(old));
 758         dpaa2_dev_atomic_read_link_status(dev, &old);
 759
 760         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
 761         if (ret < 0) {
 762                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
 763                 return -1;
 764         }
 765
 766         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
 767                 RTE_LOG(DEBUG, PMD, "No change in status\n");
 768                 return -1;
 769         }
 770
 771         memset(&link, 0, sizeof(struct rte_eth_link));
 772         link.link_status = state.up;
 773         link.link_speed = state.rate;
 774
 775         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
 776                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 777         else
 778                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 779
 780         dpaa2_dev_atomic_write_link_status(dev, &link);
 781
 782         if (link.link_status)
 783                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
 784         else
 785                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
 786         return 0;
 787 }
 788
 789 static struct eth_dev_ops dpaa2_ethdev_ops = {
 790         .dev_configure    = dpaa2_eth_dev_configure,
 791         .dev_start            = dpaa2_dev_start,
 792         .dev_stop             = dpaa2_dev_stop,
 793         .dev_close            = dpaa2_dev_close,
 794         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
 795         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
 796         .link_update       = dpaa2_dev_link_update,
 797         .stats_get             = dpaa2_dev_stats_get,
 798         .stats_reset       = dpaa2_dev_stats_reset,
 799         .dev_infos_get     = dpaa2_dev_info_get,
 800         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
 801         .mtu_set           = dpaa2_dev_mtu_set,
 802         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
 803         .rx_queue_release  = dpaa2_dev_rx_queue_release,
 804         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
 805         .tx_queue_release  = dpaa2_dev_tx_queue_release,
 806 };
 807
 808 static int
 809 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 810 {
 811         struct rte_device *dev = eth_dev->device;
 812         struct rte_dpaa2_device *dpaa2_dev;
 813         struct fsl_mc_io *dpni_dev;
 814         struct dpni_attr attr;
 815         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 816         struct dpni_buffer_layout layout;
 817         int i, ret, hw_id;
 818
 819         PMD_INIT_FUNC_TRACE();
 820
 821         /* For secondary processes, the primary has done all the work */
 822         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 823                 return 0;
 824
 825         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
 826
 827         hw_id = dpaa2_dev->object_id;
 828
 829         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
 830         if (!dpni_dev) {
 831                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
 832                 return -1;
 833         }
 834
 835         dpni_dev->regs = rte_mcp_ptr_list[0];
 836         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
 837         if (ret) {
 838                 PMD_INIT_LOG(ERR,
 839                              "Failure in opening dpni@%d with err code %d\n",
 840                              hw_id, ret);
 841                 rte_free(dpni_dev);
 842                 return -1;
 843         }
 844
 845         /* Clean the device first */
 846         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
 847         if (ret) {
 848                 PMD_INIT_LOG(ERR,
 849                              "Failure cleaning dpni@%d with err code %d\n",
 850                              hw_id, ret);
 851                 goto init_err;
 852         }
 853
 854         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
 855         if (ret) {
 856                 PMD_INIT_LOG(ERR,
 857                              "Failure in get dpni@%d attribute, err code %d\n",
 858                              hw_id, ret);
 859                 goto init_err;
 860         }
 861
 862         priv->num_tc = attr.num_tcs;
 863         for (i = 0; i < attr.num_tcs; i++) {
 864                 priv->num_dist_per_tc[i] = attr.num_queues;
 865                 break;
 866         }
 867
 868         /* Distribution is per Tc only,
 869          * so choosing RX queues from default TC only
 870          */
 871         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
 872
 873         if (attr.num_tcs == 1)
 874                 priv->nb_tx_queues = attr.num_queues;
 875         else
 876                 priv->nb_tx_queues = attr.num_tcs;
 877
 878         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
 879         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
 880
 881         priv->hw = dpni_dev;
 882         priv->hw_id = hw_id;
 883         priv->options = attr.options;
 884         priv->max_mac_filters = attr.mac_filter_entries;
 885         priv->max_vlan_filters = attr.vlan_filter_entries;
 886         priv->flags = 0;
 887
 888         priv->flags |= DPAA2_TX_CGR_SUPPORT;
 889         PMD_INIT_LOG(INFO, "Enable the tx congestion control support");
 890
 891         /* Allocate memory for hardware structure for queues */
 892         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
 893         if (ret) {
 894                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
 895                 goto init_err;
 896         }
 897
 898         /* Allocate memory for storing MAC addresses */
 899         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
 900                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
 901         if (eth_dev->data->mac_addrs == NULL) {
 902                 PMD_INIT_LOG(ERR,
 903                    "Failed to allocate %d bytes needed to store MAC addresses",
 904                              ETHER_ADDR_LEN * attr.mac_filter_entries);
 905                 ret = -ENOMEM;
 906                 goto init_err;
 907         }
 908
 909         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
 910                                         priv->token,
 911                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
 912         if (ret) {
 913                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
 914                              ret);
 915                 goto init_err;
 916         }
 917
 918         /* ... tx buffer layout ... */
 919         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 920         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 921         layout.pass_frame_status = 1;
 922         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 923                                      DPNI_QUEUE_TX, &layout);
 924         if (ret) {
 925                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
 926                              ret);
 927                 goto init_err;
 928         }
 929
 930         /* ... tx-conf and error buffer layout ... */
 931         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 932         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
 933         layout.pass_frame_status = 1;
 934         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
 935                                      DPNI_QUEUE_TX_CONFIRM, &layout);
 936         if (ret) {
 937                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
 938                              ret);
 939                 goto init_err;
 940         }
 941
 942         eth_dev->dev_ops = &dpaa2_ethdev_ops;
 943         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 944
 945         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
 946         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
 947         rte_fslmc_vfio_dmamap();
 948
 949         return 0;
 950 init_err:
 951         dpaa2_dev_uninit(eth_dev);
 952         return ret;
 953 }
 954
 955 static int
 956 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 957 {
 958         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 959         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 960         int i, ret;
 961         struct dpaa2_queue *dpaa2_q;
 962
 963         PMD_INIT_FUNC_TRACE();
 964
 965         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 966                 return -EPERM;
 967
 968         if (!dpni) {
 969                 PMD_INIT_LOG(WARNING, "Already closed or not started");
 970                 return -1;
 971         }
 972
 973         dpaa2_dev_close(eth_dev);
 974
 975         if (priv->rx_vq[0]) {
 976                 /* cleaning up queue storage */
 977                 for (i = 0; i < priv->nb_rx_queues; i++) {
 978                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 979                         if (dpaa2_q->q_storage)
 980                                 rte_free(dpaa2_q->q_storage);
 981                 }
 982                 /*free the all queue memory */
 983                 rte_free(priv->rx_vq[0]);
 984                 priv->rx_vq[0] = NULL;
 985         }
 986
 987         /* free memory for storing MAC addresses */
 988         if (eth_dev->data->mac_addrs) {
 989                 rte_free(eth_dev->data->mac_addrs);
 990                 eth_dev->data->mac_addrs = NULL;
 991         }
 992
 993         /* Close the device at underlying layer*/
 994         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
 995         if (ret) {
 996                 PMD_INIT_LOG(ERR,
 997                              "Failure closing dpni device with err code %d\n",
 998                              ret);
 999         }
1000
1001         /* Free the allocated memory for ethernet private data and dpni*/
1002         priv->hw = NULL;
1003         rte_free(dpni);
1004
1005         eth_dev->dev_ops = NULL;
1006         eth_dev->rx_pkt_burst = NULL;
1007         eth_dev->tx_pkt_burst = NULL;
1008
1009         return 0;
1010 }
1011
1012 static int
1013 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
1014                 struct rte_dpaa2_device *dpaa2_dev)
1015 {
1016         struct rte_eth_dev *eth_dev;
1017         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
1018
1019         int diag;
1020
1021         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
1022
1023         eth_dev = rte_eth_dev_allocate(ethdev_name);
1024         if (eth_dev == NULL)
1025                 return -ENOMEM;
1026
1027         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1028                 eth_dev->data->dev_private = rte_zmalloc(
1029                                                 "ethdev private structure",
1030                                                 sizeof(struct dpaa2_dev_priv),
1031                                                 RTE_CACHE_LINE_SIZE);
1032                 if (eth_dev->data->dev_private == NULL) {
1033                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1034                                      " private port data\n");
1035                         rte_eth_dev_release_port(eth_dev);
1036                         return -ENOMEM;
1037                 }
1038         }
1039         eth_dev->device = &dpaa2_dev->device;
1040         dpaa2_dev->eth_dev = eth_dev;
1041         eth_dev->data->rx_mbuf_alloc_failed = 0;
1042
1043         /* Invoke PMD device initialization function */
1044         diag = dpaa2_dev_init(eth_dev);
1045         if (diag == 0)
1046                 return 0;
1047
1048         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1049                 rte_free(eth_dev->data->dev_private);
1050         rte_eth_dev_release_port(eth_dev);
1051         return diag;
1052 }
1053
1054 static int
1055 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1056 {
1057         struct rte_eth_dev *eth_dev;
1058
1059         eth_dev = dpaa2_dev->eth_dev;
1060         dpaa2_dev_uninit(eth_dev);
1061
1062         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1063                 rte_free(eth_dev->data->dev_private);
1064         rte_eth_dev_release_port(eth_dev);
1065
1066         return 0;
1067 }
1068
1069 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1070         .drv_type = DPAA2_MC_DPNI_DEVID,
1071         .probe = rte_dpaa2_probe,
1072         .remove = rte_dpaa2_remove,
1073 };
1074
1075 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);