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 #include <mc/fsl_dpmng.h>
  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 static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
  59 static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
  60 static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  61
  62 /**
  63  * Atomically reads the link status information from global
  64  * structure rte_eth_dev.
  65  *
  66  * @param dev
  67  *   - Pointer to the structure rte_eth_dev to read from.
  68  *   - Pointer to the buffer to be saved with the link status.
  69  *
  70  * @return
  71  *   - On success, zero.
  72  *   - On failure, negative value.
  73  */
  74 static inline int
  75 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  76                                   struct rte_eth_link *link)
  77 {
  78         struct rte_eth_link *dst = link;
  79         struct rte_eth_link *src = &dev->data->dev_link;
  80
  81         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  82                                 *(uint64_t *)src) == 0)
  83                 return -1;
  84
  85         return 0;
  86 }
  87
  88 /**
  89  * Atomically writes the link status information into global
  90  * structure rte_eth_dev.
  91  *
  92  * @param dev
  93  *   - Pointer to the structure rte_eth_dev to read from.
  94  *   - Pointer to the buffer to be saved with the link status.
  95  *
  96  * @return
  97  *   - On success, zero.
  98  *   - On failure, negative value.
  99  */
 100 static inline int
 101 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
 102                                    struct rte_eth_link *link)
 103 {
 104         struct rte_eth_link *dst = &dev->data->dev_link;
 105         struct rte_eth_link *src = link;
 106
 107         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 108                                 *(uint64_t *)src) == 0)
 109                 return -1;
 110
 111         return 0;
 112 }
 113
 114 static int
 115 dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 116 {
 117         int ret;
 118         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 119         struct fsl_mc_io *dpni = priv->hw;
 120
 121         PMD_INIT_FUNC_TRACE();
 122
 123         if (dpni == NULL) {
 124                 RTE_LOG(ERR, PMD, "dpni is NULL");
 125                 return -1;
 126         }
 127
 128         if (on)
 129                 ret = dpni_add_vlan_id(dpni, CMD_PRI_LOW,
 130                                        priv->token, vlan_id);
 131         else
 132                 ret = dpni_remove_vlan_id(dpni, CMD_PRI_LOW,
 133                                           priv->token, vlan_id);
 134
 135         if (ret < 0)
 136                 PMD_DRV_LOG(ERR, "ret = %d Unable to add/rem vlan %d hwid =%d",
 137                             ret, vlan_id, priv->hw_id);
 138
 139         return ret;
 140 }
 141
 142 static void
 143 dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 144 {
 145         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 146         struct fsl_mc_io *dpni = priv->hw;
 147         int ret;
 148
 149         PMD_INIT_FUNC_TRACE();
 150
 151         if (mask & ETH_VLAN_FILTER_MASK) {
 152                 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
 153                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 154                                                       priv->token, true);
 155                 else
 156                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 157                                                       priv->token, false);
 158                 if (ret < 0)
 159                         RTE_LOG(ERR, PMD, "Unable to set vlan filter ret = %d",
 160                                 ret);
 161         }
 162 }
 163
 164 static int
 165 dpaa2_fw_version_get(struct rte_eth_dev *dev,
 166                      char *fw_version,
 167                      size_t fw_size)
 168 {
 169         int ret;
 170         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 171         struct fsl_mc_io *dpni = priv->hw;
 172         struct mc_soc_version mc_plat_info = {0};
 173         struct mc_version mc_ver_info = {0};
 174
 175         PMD_INIT_FUNC_TRACE();
 176
 177         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
 178                 RTE_LOG(WARNING, PMD, "\tmc_get_soc_version failed\n");
 179
 180         if (mc_get_version(dpni, CMD_PRI_LOW, &mc_ver_info))
 181                 RTE_LOG(WARNING, PMD, "\tmc_get_version failed\n");
 182
 183         ret = snprintf(fw_version, fw_size,
 184                        "%x-%d.%d.%d",
 185                        mc_plat_info.svr,
 186                        mc_ver_info.major,
 187                        mc_ver_info.minor,
 188                        mc_ver_info.revision);
 189
 190         ret += 1; /* add the size of '\0' */
 191         if (fw_size < (uint32_t)ret)
 192                 return ret;
 193         else
 194                 return 0;
 195 }
 196
 197 static void
 198 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 199 {
 200         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 201
 202         PMD_INIT_FUNC_TRACE();
 203
 204         dev_info->if_index = priv->hw_id;
 205
 206         dev_info->max_mac_addrs = priv->max_mac_filters;
 207         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 208         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 209         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 210         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 211         dev_info->rx_offload_capa =
 212                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 213                 DEV_RX_OFFLOAD_UDP_CKSUM |
 214                 DEV_RX_OFFLOAD_TCP_CKSUM |
 215                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 216         dev_info->tx_offload_capa =
 217                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 218                 DEV_TX_OFFLOAD_UDP_CKSUM |
 219                 DEV_TX_OFFLOAD_TCP_CKSUM |
 220                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 221                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 222         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 223                         ETH_LINK_SPEED_2_5G |
 224                         ETH_LINK_SPEED_10G;
 225 }
 226
 227 static int
 228 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 229 {
 230         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 231         uint16_t dist_idx;
 232         uint32_t vq_id;
 233         struct dpaa2_queue *mc_q, *mcq;
 234         uint32_t tot_queues;
 235         int i;
 236         struct dpaa2_queue *dpaa2_q;
 237
 238         PMD_INIT_FUNC_TRACE();
 239
 240         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 241         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 242                           RTE_CACHE_LINE_SIZE);
 243         if (!mc_q) {
 244                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 245                 return -1;
 246         }
 247
 248         for (i = 0; i < priv->nb_rx_queues; i++) {
 249                 mc_q->dev = dev;
 250                 priv->rx_vq[i] = mc_q++;
 251                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 252                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 253                                         sizeof(struct queue_storage_info_t),
 254                                         RTE_CACHE_LINE_SIZE);
 255                 if (!dpaa2_q->q_storage)
 256                         goto fail;
 257
 258                 memset(dpaa2_q->q_storage, 0,
 259                        sizeof(struct queue_storage_info_t));
 260                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
 261                         goto fail;
 262         }
 263
 264         for (i = 0; i < priv->nb_tx_queues; i++) {
 265                 mc_q->dev = dev;
 266                 mc_q->flow_id = 0xffff;
 267                 priv->tx_vq[i] = mc_q++;
 268                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 269                 dpaa2_q->cscn = rte_malloc(NULL,
 270                                            sizeof(struct qbman_result), 16);
 271                 if (!dpaa2_q->cscn)
 272                         goto fail_tx;
 273         }
 274
 275         vq_id = 0;
 276         for (dist_idx = 0; dist_idx < priv->nb_rx_queues; dist_idx++) {
 277                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 278                 mcq->tc_index = DPAA2_DEF_TC;
 279                 mcq->flow_id = dist_idx;
 280                 vq_id++;
 281         }
 282
 283         return 0;
 284 fail_tx:
 285         i -= 1;
 286         while (i >= 0) {
 287                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 288                 rte_free(dpaa2_q->cscn);
 289                 priv->tx_vq[i--] = NULL;
 290         }
 291         i = priv->nb_rx_queues;
 292 fail:
 293         i -= 1;
 294         mc_q = priv->rx_vq[0];
 295         while (i >= 0) {
 296                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 297                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
 298                 rte_free(dpaa2_q->q_storage);
 299                 priv->rx_vq[i--] = NULL;
 300         }
 301         rte_free(mc_q);
 302         return -1;
 303 }
 304
 305 static int
 306 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 307 {
 308         struct rte_eth_dev_data *data = dev->data;
 309         struct rte_eth_conf *eth_conf = &data->dev_conf;
 310         int ret;
 311
 312         PMD_INIT_FUNC_TRACE();
 313
 314         if (eth_conf->rxmode.jumbo_frame == 1) {
 315                 if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
 316                         ret = dpaa2_dev_mtu_set(dev,
 317                                         eth_conf->rxmode.max_rx_pkt_len);
 318                         if (ret) {
 319                                 PMD_INIT_LOG(ERR,
 320                                              "unable to set mtu. check config\n");
 321                                 return ret;
 322                         }
 323                 } else {
 324                         return -1;
 325                 }
 326         }
 327
 328         /* Check for correct configuration */
 329         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 330             data->nb_rx_queues > 1) {
 331                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 332                             "but Rx queues more than 1\n");
 333                 return -1;
 334         }
 335
 336         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 337                 /* Return in case number of Rx queues is 1 */
 338                 if (data->nb_rx_queues == 1)
 339                         return 0;
 340                 ret = dpaa2_setup_flow_dist(dev,
 341                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 342                 if (ret) {
 343                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 344                                      "please check queue config\n");
 345                         return ret;
 346                 }
 347         }
 348         return 0;
 349 }
 350
 351 /* Function to setup RX flow information. It contains traffic class ID,
 352  * flow ID, destination configuration etc.
 353  */
 354 static int
 355 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 356                          uint16_t rx_queue_id,
 357                          uint16_t nb_rx_desc __rte_unused,
 358                          unsigned int socket_id __rte_unused,
 359                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 360                          struct rte_mempool *mb_pool)
 361 {
 362         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 363         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 364         struct mc_soc_version mc_plat_info = {0};
 365         struct dpaa2_queue *dpaa2_q;
 366         struct dpni_queue cfg;
 367         uint8_t options = 0;
 368         uint8_t flow_id;
 369         uint32_t bpid;
 370         int ret;
 371
 372         PMD_INIT_FUNC_TRACE();
 373
 374         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 375                      dev, rx_queue_id, mb_pool, rx_conf);
 376
 377         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 378                 bpid = mempool_to_bpid(mb_pool);
 379                 ret = dpaa2_attach_bp_list(priv,
 380                                            rte_dpaa2_bpid_info[bpid].bp_list);
 381                 if (ret)
 382                         return ret;
 383         }
 384         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 385         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 386
 387         /*Get the flow id from given VQ id*/
 388         flow_id = rx_queue_id % priv->nb_rx_queues;
 389         memset(&cfg, 0, sizeof(struct dpni_queue));
 390
 391         options = options | DPNI_QUEUE_OPT_USER_CTX;
 392         cfg.user_context = (uint64_t)(dpaa2_q);
 393
 394         /*if ls2088 or rev2 device, enable the stashing */
 395
 396         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
 397                 PMD_INIT_LOG(ERR, "\tmc_get_soc_version failed\n");
 398
 399         if ((mc_plat_info.svr & 0xffff0000) != SVR_LS2080A) {
 400                 options |= DPNI_QUEUE_OPT_FLC;
 401                 cfg.flc.stash_control = true;
 402                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 403                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 404                  * data stashing setting 01 01 00 (0x14) to enable
 405                  * 1 line data, 1 line annotation
 406                  */
 407                 cfg.flc.value |= 0x14;
 408         }
 409         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 410                              dpaa2_q->tc_index, flow_id, options, &cfg);
 411         if (ret) {
 412                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 413                 return -1;
 414         }
 415
 416         if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
 417                 struct dpni_taildrop taildrop;
 418
 419                 taildrop.enable = 1;
 420                 /*enabling per rx queue congestion control */
 421                 taildrop.threshold = CONG_THRESHOLD_RX_Q;
 422                 taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
 423                 PMD_INIT_LOG(DEBUG, "Enabling Early Drop on queue = %d",
 424                              rx_queue_id);
 425                 ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
 426                                         DPNI_CP_QUEUE, DPNI_QUEUE_RX,
 427                                         dpaa2_q->tc_index, flow_id, &taildrop);
 428                 if (ret) {
 429                         PMD_INIT_LOG(ERR, "Error in setting the rx flow"
 430                                      " err : = %d\n", ret);
 431                         return -1;
 432                 }
 433         }
 434
 435         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 436         return 0;
 437 }
 438
 439 static int
 440 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 441                          uint16_t tx_queue_id,
 442                          uint16_t nb_tx_desc __rte_unused,
 443                          unsigned int socket_id __rte_unused,
 444                          const struct rte_eth_txconf *tx_conf __rte_unused)
 445 {
 446         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 447         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 448                 priv->tx_vq[tx_queue_id];
 449         struct fsl_mc_io *dpni = priv->hw;
 450         struct dpni_queue tx_conf_cfg;
 451         struct dpni_queue tx_flow_cfg;
 452         uint8_t options = 0, flow_id;
 453         uint32_t tc_id;
 454         int ret;
 455
 456         PMD_INIT_FUNC_TRACE();
 457
 458         /* Return if queue already configured */
 459         if (dpaa2_q->flow_id != 0xffff)
 460                 return 0;
 461
 462         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 463         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 464
 465         tc_id = tx_queue_id;
 466         flow_id = 0;
 467
 468         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 469                              tc_id, flow_id, options, &tx_flow_cfg);
 470         if (ret) {
 471                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 472                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 473                              tc_id, flow_id, -ret);
 474                         return -1;
 475         }
 476
 477         dpaa2_q->flow_id = flow_id;
 478
 479         if (tx_queue_id == 0) {
 480                 /*Set tx-conf and error configuration*/
 481                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 482                                                     priv->token,
 483                                                     DPNI_CONF_DISABLE);
 484                 if (ret) {
 485                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 486                                      " ErrorCode = %x", ret);
 487                         return -1;
 488                 }
 489         }
 490         dpaa2_q->tc_index = tc_id;
 491
 492         if (priv->flags & DPAA2_TX_CGR_SUPPORT) {
 493                 struct dpni_congestion_notification_cfg cong_notif_cfg;
 494
 495                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_BYTES;
 496                 /* Notify about congestion when the queue size is 32 KB */
 497                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 498                 /* Notify that the queue is not congested when the data in
 499                  * the queue is below this thershold.
 500                  */
 501                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 502                 cong_notif_cfg.message_ctx = 0;
 503                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 504                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 505                 cong_notif_cfg.notification_mode =
 506                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 507                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 508                                          DPNI_CONG_OPT_COHERENT_WRITE;
 509
 510                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 511                                                        priv->token,
 512                                                        DPNI_QUEUE_TX,
 513                                                        tc_id,
 514                                                        &cong_notif_cfg);
 515                 if (ret) {
 516                         PMD_INIT_LOG(ERR,
 517                            "Error in setting tx congestion notification: = %d",
 518                            -ret);
 519                         return -ret;
 520                 }
 521         }
 522         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 523         return 0;
 524 }
 525
 526 static void
 527 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 528 {
 529         PMD_INIT_FUNC_TRACE();
 530 }
 531
 532 static void
 533 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 534 {
 535         PMD_INIT_FUNC_TRACE();
 536 }
 537
 538 static const uint32_t *
 539 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 540 {
 541         static const uint32_t ptypes[] = {
 542                 /*todo -= add more types */
 543                 RTE_PTYPE_L2_ETHER,
 544                 RTE_PTYPE_L3_IPV4,
 545                 RTE_PTYPE_L3_IPV4_EXT,
 546                 RTE_PTYPE_L3_IPV6,
 547                 RTE_PTYPE_L3_IPV6_EXT,
 548                 RTE_PTYPE_L4_TCP,
 549                 RTE_PTYPE_L4_UDP,
 550                 RTE_PTYPE_L4_SCTP,
 551                 RTE_PTYPE_L4_ICMP,
 552                 RTE_PTYPE_UNKNOWN
 553         };
 554
 555         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 556                 return ptypes;
 557         return NULL;
 558 }
 559
 560 static int
 561 dpaa2_dev_start(struct rte_eth_dev *dev)
 562 {
 563         struct rte_eth_dev_data *data = dev->data;
 564         struct dpaa2_dev_priv *priv = data->dev_private;
 565         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 566         struct dpni_queue cfg;
 567         struct dpni_error_cfg   err_cfg;
 568         uint16_t qdid;
 569         struct dpni_queue_id qid;
 570         struct dpaa2_queue *dpaa2_q;
 571         int ret, i;
 572
 573         PMD_INIT_FUNC_TRACE();
 574
 575         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 576         if (ret) {
 577                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 578                              ret, priv->hw_id);
 579                 return ret;
 580         }
 581
 582         /* Power up the phy. Needed to make the link go Up */
 583         dpaa2_dev_set_link_up(dev);
 584
 585         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 586                             DPNI_QUEUE_TX, &qdid);
 587         if (ret) {
 588                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 589                 return ret;
 590         }
 591         priv->qdid = qdid;
 592
 593         for (i = 0; i < data->nb_rx_queues; i++) {
 594                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 595                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 596                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 597                                        dpaa2_q->flow_id, &cfg, &qid);
 598                 if (ret) {
 599                         PMD_INIT_LOG(ERR, "Error to get flow "
 600                                      "information Error code = %d\n", ret);
 601                         return ret;
 602                 }
 603                 dpaa2_q->fqid = qid.fqid;
 604         }
 605
 606         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 607                                DPNI_OFF_RX_L3_CSUM, true);
 608         if (ret) {
 609                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 610                 return ret;
 611         }
 612
 613         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 614                                DPNI_OFF_RX_L4_CSUM, true);
 615         if (ret) {
 616                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 617                 return ret;
 618         }
 619
 620         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 621                                DPNI_OFF_TX_L3_CSUM, true);
 622         if (ret) {
 623                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 624                 return ret;
 625         }
 626
 627         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 628                                DPNI_OFF_TX_L4_CSUM, true);
 629         if (ret) {
 630                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 631                 return ret;
 632         }
 633
 634         /*checksum errors, send them to normal path and set it in annotation */
 635         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 636
 637         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 638         err_cfg.set_frame_annotation = true;
 639
 640         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 641                                        priv->token, &err_cfg);
 642         if (ret) {
 643                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 644                              "code = %d\n", ret);
 645                 return ret;
 646         }
 647         /* VLAN Offload Settings */
 648         if (priv->max_vlan_filters)
 649                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
 650
 651         return 0;
 652 }
 653
 654 /**
 655  *  This routine disables all traffic on the adapter by issuing a
 656  *  global reset on the MAC.
 657  */
 658 static void
 659 dpaa2_dev_stop(struct rte_eth_dev *dev)
 660 {
 661         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 662         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 663         int ret;
 664         struct rte_eth_link link;
 665
 666         PMD_INIT_FUNC_TRACE();
 667
 668         dpaa2_dev_set_link_down(dev);
 669
 670         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 671         if (ret) {
 672                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 673                              ret, priv->hw_id);
 674                 return;
 675         }
 676
 677         /* clear the recorded link status */
 678         memset(&link, 0, sizeof(link));
 679         dpaa2_dev_atomic_write_link_status(dev, &link);
 680 }
 681
 682 static void
 683 dpaa2_dev_close(struct rte_eth_dev *dev)
 684 {
 685         struct rte_eth_dev_data *data = dev->data;
 686         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 687         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 688         int i, ret;
 689         struct rte_eth_link link;
 690         struct dpaa2_queue *dpaa2_q;
 691
 692         PMD_INIT_FUNC_TRACE();
 693
 694         for (i = 0; i < data->nb_tx_queues; i++) {
 695                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 696                 if (!dpaa2_q->cscn) {
 697                         rte_free(dpaa2_q->cscn);
 698                         dpaa2_q->cscn = NULL;
 699                 }
 700         }
 701
 702         /* Clean the device first */
 703         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 704         if (ret) {
 705                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 706                              " error code %d\n", ret);
 707                 return;
 708         }
 709
 710         memset(&link, 0, sizeof(link));
 711         dpaa2_dev_atomic_write_link_status(dev, &link);
 712 }
 713
 714 static void
 715 dpaa2_dev_promiscuous_enable(
 716                 struct rte_eth_dev *dev)
 717 {
 718         int ret;
 719         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 720         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 721
 722         PMD_INIT_FUNC_TRACE();
 723
 724         if (dpni == NULL) {
 725                 RTE_LOG(ERR, PMD, "dpni is NULL");
 726                 return;
 727         }
 728
 729         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 730         if (ret < 0)
 731                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d", ret);
 732
 733         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 734         if (ret < 0)
 735                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d", ret);
 736 }
 737
 738 static void
 739 dpaa2_dev_promiscuous_disable(
 740                 struct rte_eth_dev *dev)
 741 {
 742         int ret;
 743         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 744         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 745
 746         PMD_INIT_FUNC_TRACE();
 747
 748         if (dpni == NULL) {
 749                 RTE_LOG(ERR, PMD, "dpni is NULL");
 750                 return;
 751         }
 752
 753         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 754         if (ret < 0)
 755                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d", ret);
 756
 757         if (dev->data->all_multicast == 0) {
 758                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
 759                                                  priv->token, false);
 760                 if (ret < 0)
 761                         RTE_LOG(ERR, PMD, "Unable to disable M promisc mode %d",
 762                                 ret);
 763         }
 764 }
 765
 766 static void
 767 dpaa2_dev_allmulticast_enable(
 768                 struct rte_eth_dev *dev)
 769 {
 770         int ret;
 771         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 772         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 773
 774         PMD_INIT_FUNC_TRACE();
 775
 776         if (dpni == NULL) {
 777                 RTE_LOG(ERR, PMD, "dpni is NULL");
 778                 return;
 779         }
 780
 781         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 782         if (ret < 0)
 783                 RTE_LOG(ERR, PMD, "Unable to enable multicast mode %d", ret);
 784 }
 785
 786 static void
 787 dpaa2_dev_allmulticast_disable(struct rte_eth_dev *dev)
 788 {
 789         int ret;
 790         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 791         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 792
 793         PMD_INIT_FUNC_TRACE();
 794
 795         if (dpni == NULL) {
 796                 RTE_LOG(ERR, PMD, "dpni is NULL");
 797                 return;
 798         }
 799
 800         /* must remain on for all promiscuous */
 801         if (dev->data->promiscuous == 1)
 802                 return;
 803
 804         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 805         if (ret < 0)
 806                 RTE_LOG(ERR, PMD, "Unable to disable multicast mode %d", ret);
 807 }
 808
 809 static int
 810 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 811 {
 812         int ret;
 813         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 814         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 815         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 816
 817         PMD_INIT_FUNC_TRACE();
 818
 819         if (dpni == NULL) {
 820                 RTE_LOG(ERR, PMD, "dpni is NULL");
 821                 return -EINVAL;
 822         }
 823
 824         /* check that mtu is within the allowed range */
 825         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 826                 return -EINVAL;
 827
 828         if (frame_size > ETHER_MAX_LEN)
 829                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
 830         else
 831                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
 832
 833         /* Set the Max Rx frame length as 'mtu' +
 834          * Maximum Ethernet header length
 835          */
 836         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 837                                         mtu + ETH_VLAN_HLEN);
 838         if (ret) {
 839                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 840                 return -1;
 841         }
 842         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 843         return 0;
 844 }
 845
 846 static int
 847 dpaa2_dev_add_mac_addr(struct rte_eth_dev *dev,
 848                        struct ether_addr *addr,
 849                        __rte_unused uint32_t index,
 850                        __rte_unused uint32_t pool)
 851 {
 852         int ret;
 853         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 854         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 855
 856         PMD_INIT_FUNC_TRACE();
 857
 858         if (dpni == NULL) {
 859                 RTE_LOG(ERR, PMD, "dpni is NULL");
 860                 return -1;
 861         }
 862
 863         ret = dpni_add_mac_addr(dpni, CMD_PRI_LOW,
 864                                 priv->token, addr->addr_bytes);
 865         if (ret)
 866                 RTE_LOG(ERR, PMD, "error: Adding the MAC ADDR failed:"
 867                         " err = %d", ret);
 868         return 0;
 869 }
 870
 871 static void
 872 dpaa2_dev_remove_mac_addr(struct rte_eth_dev *dev,
 873                           uint32_t index)
 874 {
 875         int ret;
 876         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 877         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 878         struct rte_eth_dev_data *data = dev->data;
 879         struct ether_addr *macaddr;
 880
 881         PMD_INIT_FUNC_TRACE();
 882
 883         macaddr = &data->mac_addrs[index];
 884
 885         if (dpni == NULL) {
 886                 RTE_LOG(ERR, PMD, "dpni is NULL");
 887                 return;
 888         }
 889
 890         ret = dpni_remove_mac_addr(dpni, CMD_PRI_LOW,
 891                                    priv->token, macaddr->addr_bytes);
 892         if (ret)
 893                 RTE_LOG(ERR, PMD, "error: Removing the MAC ADDR failed:"
 894                         " err = %d", ret);
 895 }
 896
 897 static void
 898 dpaa2_dev_set_mac_addr(struct rte_eth_dev *dev,
 899                        struct ether_addr *addr)
 900 {
 901         int ret;
 902         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 903         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 904
 905         PMD_INIT_FUNC_TRACE();
 906
 907         if (dpni == NULL) {
 908                 RTE_LOG(ERR, PMD, "dpni is NULL");
 909                 return;
 910         }
 911
 912         ret = dpni_set_primary_mac_addr(dpni, CMD_PRI_LOW,
 913                                         priv->token, addr->addr_bytes);
 914
 915         if (ret)
 916                 RTE_LOG(ERR, PMD, "error: Setting the MAC ADDR failed %d", ret);
 917 }
 918 static
 919 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 920                          struct rte_eth_stats *stats)
 921 {
 922         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 923         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 924         int32_t  retcode;
 925         uint8_t page0 = 0, page1 = 1, page2 = 2;
 926         union dpni_statistics value;
 927
 928         memset(&value, 0, sizeof(union dpni_statistics));
 929
 930         PMD_INIT_FUNC_TRACE();
 931
 932         if (!dpni) {
 933                 RTE_LOG(ERR, PMD, "dpni is NULL");
 934                 return;
 935         }
 936
 937         if (!stats) {
 938                 RTE_LOG(ERR, PMD, "stats is NULL");
 939                 return;
 940         }
 941
 942         /*Get Counters from page_0*/
 943         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 944                                       page0, &value);
 945         if (retcode)
 946                 goto err;
 947
 948         stats->ipackets = value.page_0.ingress_all_frames;
 949         stats->ibytes = value.page_0.ingress_all_bytes;
 950
 951         /*Get Counters from page_1*/
 952         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 953                                       page1, &value);
 954         if (retcode)
 955                 goto err;
 956
 957         stats->opackets = value.page_1.egress_all_frames;
 958         stats->obytes = value.page_1.egress_all_bytes;
 959
 960         /*Get Counters from page_2*/
 961         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 962                                       page2, &value);
 963         if (retcode)
 964                 goto err;
 965
 966         /* Ingress drop frame count due to configured rules */
 967         stats->ierrors = value.page_2.ingress_filtered_frames;
 968         /* Ingress drop frame count due to error */
 969         stats->ierrors += value.page_2.ingress_discarded_frames;
 970
 971         stats->oerrors = value.page_2.egress_discarded_frames;
 972         stats->imissed = value.page_2.ingress_nobuffer_discards;
 973
 974         return;
 975
 976 err:
 977         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 978         return;
 979 };
 980
 981 static
 982 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 983 {
 984         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 985         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 986         int32_t  retcode;
 987
 988         PMD_INIT_FUNC_TRACE();
 989
 990         if (dpni == NULL) {
 991                 RTE_LOG(ERR, PMD, "dpni is NULL");
 992                 return;
 993         }
 994
 995         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 996         if (retcode)
 997                 goto error;
 998
 999         return;
1000
1001 error:
1002         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1003         return;
1004 };
1005
1006 /* return 0 means link status changed, -1 means not changed */
1007 static int
1008 dpaa2_dev_link_update(struct rte_eth_dev *dev,
1009                         int wait_to_complete __rte_unused)
1010 {
1011         int ret;
1012         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1013         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1014         struct rte_eth_link link, old;
1015         struct dpni_link_state state = {0};
1016
1017         PMD_INIT_FUNC_TRACE();
1018
1019         if (dpni == NULL) {
1020                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
1021                 return 0;
1022         }
1023         memset(&old, 0, sizeof(old));
1024         dpaa2_dev_atomic_read_link_status(dev, &old);
1025
1026         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1027         if (ret < 0) {
1028                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1029                 return -1;
1030         }
1031
1032         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1033                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1034                 return -1;
1035         }
1036
1037         memset(&link, 0, sizeof(struct rte_eth_link));
1038         link.link_status = state.up;
1039         link.link_speed = state.rate;
1040
1041         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1042                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1043         else
1044                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1045
1046         dpaa2_dev_atomic_write_link_status(dev, &link);
1047
1048         if (link.link_status)
1049                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1050         else
1051                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
1052         return 0;
1053 }
1054
1055 /**
1056  * Toggle the DPNI to enable, if not already enabled.
1057  * This is not strictly PHY up/down - it is more of logical toggling.
1058  */
1059 static int
1060 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1061 {
1062         int ret = -EINVAL;
1063         struct dpaa2_dev_priv *priv;
1064         struct fsl_mc_io *dpni;
1065         int en = 0;
1066
1067         PMD_INIT_FUNC_TRACE();
1068
1069         priv = dev->data->dev_private;
1070         dpni = (struct fsl_mc_io *)priv->hw;
1071
1072         if (dpni == NULL) {
1073                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1074                 return ret;
1075         }
1076
1077         /* Check if DPNI is currently enabled */
1078         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1079         if (ret) {
1080                 /* Unable to obtain dpni status; Not continuing */
1081                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1082                 return -EINVAL;
1083         }
1084
1085         /* Enable link if not already enabled */
1086         if (!en) {
1087                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1088                 if (ret) {
1089                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1090                         return -EINVAL;
1091                 }
1092         }
1093         /* changing tx burst function to start enqueues */
1094         dev->tx_pkt_burst = dpaa2_dev_tx;
1095         dev->data->dev_link.link_status = 1;
1096
1097         PMD_DRV_LOG(INFO, "Port %d Link UP successful", dev->data->port_id);
1098         return ret;
1099 }
1100
1101 /**
1102  * Toggle the DPNI to disable, if not already disabled.
1103  * This is not strictly PHY up/down - it is more of logical toggling.
1104  */
1105 static int
1106 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1107 {
1108         int ret = -EINVAL;
1109         struct dpaa2_dev_priv *priv;
1110         struct fsl_mc_io *dpni;
1111         int dpni_enabled = 0;
1112         int retries = 10;
1113
1114         PMD_INIT_FUNC_TRACE();
1115
1116         priv = dev->data->dev_private;
1117         dpni = (struct fsl_mc_io *)priv->hw;
1118
1119         if (dpni == NULL) {
1120                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1121                 return ret;
1122         }
1123
1124         /*changing  tx burst function to avoid any more enqueues */
1125         dev->tx_pkt_burst = dummy_dev_tx;
1126
1127         /* Loop while dpni_disable() attempts to drain the egress FQs
1128          * and confirm them back to us.
1129          */
1130         do {
1131                 ret = dpni_disable(dpni, 0, priv->token);
1132                 if (ret) {
1133                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1134                         return ret;
1135                 }
1136                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1137                 if (ret) {
1138                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1139                         return ret;
1140                 }
1141                 if (dpni_enabled)
1142                         /* Allow the MC some slack */
1143                         rte_delay_us(100 * 1000);
1144         } while (dpni_enabled && --retries);
1145
1146         if (!retries) {
1147                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1148                 /* todo- we may have to manually cleanup queues.
1149                  */
1150         } else {
1151                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1152                             dev->data->port_id);
1153         }
1154
1155         dev->data->dev_link.link_status = 0;
1156
1157         return ret;
1158 }
1159
1160 static int
1161 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1162 {
1163         int ret = -EINVAL;
1164         struct dpaa2_dev_priv *priv;
1165         struct fsl_mc_io *dpni;
1166         struct dpni_link_state state = {0};
1167
1168         PMD_INIT_FUNC_TRACE();
1169
1170         priv = dev->data->dev_private;
1171         dpni = (struct fsl_mc_io *)priv->hw;
1172
1173         if (dpni == NULL || fc_conf == NULL) {
1174                 RTE_LOG(ERR, PMD, "device not configured");
1175                 return ret;
1176         }
1177
1178         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1179         if (ret) {
1180                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1181                 return ret;
1182         }
1183
1184         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1185         if (state.options & DPNI_LINK_OPT_PAUSE) {
1186                 /* DPNI_LINK_OPT_PAUSE set
1187                  *  if ASYM_PAUSE not set,
1188                  *      RX Side flow control (handle received Pause frame)
1189                  *      TX side flow control (send Pause frame)
1190                  *  if ASYM_PAUSE set,
1191                  *      RX Side flow control (handle received Pause frame)
1192                  *      No TX side flow control (send Pause frame disabled)
1193                  */
1194                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1195                         fc_conf->mode = RTE_FC_FULL;
1196                 else
1197                         fc_conf->mode = RTE_FC_RX_PAUSE;
1198         } else {
1199                 /* DPNI_LINK_OPT_PAUSE not set
1200                  *  if ASYM_PAUSE set,
1201                  *      TX side flow control (send Pause frame)
1202                  *      No RX side flow control (No action on pause frame rx)
1203                  *  if ASYM_PAUSE not set,
1204                  *      Flow control disabled
1205                  */
1206                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1207                         fc_conf->mode = RTE_FC_TX_PAUSE;
1208                 else
1209                         fc_conf->mode = RTE_FC_NONE;
1210         }
1211
1212         return ret;
1213 }
1214
1215 static int
1216 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1217 {
1218         int ret = -EINVAL;
1219         struct dpaa2_dev_priv *priv;
1220         struct fsl_mc_io *dpni;
1221         struct dpni_link_state state = {0};
1222         struct dpni_link_cfg cfg = {0};
1223
1224         PMD_INIT_FUNC_TRACE();
1225
1226         priv = dev->data->dev_private;
1227         dpni = (struct fsl_mc_io *)priv->hw;
1228
1229         if (dpni == NULL) {
1230                 RTE_LOG(ERR, PMD, "dpni is NULL");
1231                 return ret;
1232         }
1233
1234         /* It is necessary to obtain the current state before setting fc_conf
1235          * as MC would return error in case rate, autoneg or duplex values are
1236          * different.
1237          */
1238         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1239         if (ret) {
1240                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)", ret);
1241                 return -1;
1242         }
1243
1244         /* Disable link before setting configuration */
1245         dpaa2_dev_set_link_down(dev);
1246
1247         /* Based on fc_conf, update cfg */
1248         cfg.rate = state.rate;
1249         cfg.options = state.options;
1250
1251         /* update cfg with fc_conf */
1252         switch (fc_conf->mode) {
1253         case RTE_FC_FULL:
1254                 /* Full flow control;
1255                  * OPT_PAUSE set, ASYM_PAUSE not set
1256                  */
1257                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1258                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1259         case RTE_FC_TX_PAUSE:
1260                 /* Enable RX flow control
1261                  * OPT_PAUSE not set;
1262                  * ASYM_PAUSE set;
1263                  */
1264                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1265                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1266                 break;
1267         case RTE_FC_RX_PAUSE:
1268                 /* Enable TX Flow control
1269                  * OPT_PAUSE set
1270                  * ASYM_PAUSE set
1271                  */
1272                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1273                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1274                 break;
1275         case RTE_FC_NONE:
1276                 /* Disable Flow control
1277                  * OPT_PAUSE not set
1278                  * ASYM_PAUSE not set
1279                  */
1280                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1281                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1282                 break;
1283         default:
1284                 RTE_LOG(ERR, PMD, "Incorrect Flow control flag (%d)",
1285                         fc_conf->mode);
1286                 return -1;
1287         }
1288
1289         ret = dpni_set_link_cfg(dpni, CMD_PRI_LOW, priv->token, &cfg);
1290         if (ret)
1291                 RTE_LOG(ERR, PMD, "Unable to set Link configuration (err=%d)",
1292                         ret);
1293
1294         /* Enable link */
1295         dpaa2_dev_set_link_up(dev);
1296
1297         return ret;
1298 }
1299
1300 static struct eth_dev_ops dpaa2_ethdev_ops = {
1301         .dev_configure    = dpaa2_eth_dev_configure,
1302         .dev_start            = dpaa2_dev_start,
1303         .dev_stop             = dpaa2_dev_stop,
1304         .dev_close            = dpaa2_dev_close,
1305         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1306         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1307         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1308         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1309         .dev_set_link_up      = dpaa2_dev_set_link_up,
1310         .dev_set_link_down    = dpaa2_dev_set_link_down,
1311         .link_update       = dpaa2_dev_link_update,
1312         .stats_get             = dpaa2_dev_stats_get,
1313         .stats_reset       = dpaa2_dev_stats_reset,
1314         .fw_version_get    = dpaa2_fw_version_get,
1315         .dev_infos_get     = dpaa2_dev_info_get,
1316         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1317         .mtu_set           = dpaa2_dev_mtu_set,
1318         .vlan_filter_set      = dpaa2_vlan_filter_set,
1319         .vlan_offload_set     = dpaa2_vlan_offload_set,
1320         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1321         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1322         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1323         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1324         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1325         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1326         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1327         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1328         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1329 };
1330
1331 static int
1332 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1333 {
1334         struct rte_device *dev = eth_dev->device;
1335         struct rte_dpaa2_device *dpaa2_dev;
1336         struct fsl_mc_io *dpni_dev;
1337         struct dpni_attr attr;
1338         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1339         struct dpni_buffer_layout layout;
1340         int ret, hw_id;
1341
1342         PMD_INIT_FUNC_TRACE();
1343
1344         /* For secondary processes, the primary has done all the work */
1345         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1346                 return 0;
1347
1348         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1349
1350         hw_id = dpaa2_dev->object_id;
1351
1352         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1353         if (!dpni_dev) {
1354                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1355                 return -1;
1356         }
1357
1358         dpni_dev->regs = rte_mcp_ptr_list[0];
1359         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1360         if (ret) {
1361                 PMD_INIT_LOG(ERR,
1362                              "Failure in opening dpni@%d with err code %d\n",
1363                              hw_id, ret);
1364                 rte_free(dpni_dev);
1365                 return -1;
1366         }
1367
1368         /* Clean the device first */
1369         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1370         if (ret) {
1371                 PMD_INIT_LOG(ERR,
1372                              "Failure cleaning dpni@%d with err code %d\n",
1373                              hw_id, ret);
1374                 goto init_err;
1375         }
1376
1377         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1378         if (ret) {
1379                 PMD_INIT_LOG(ERR,
1380                              "Failure in get dpni@%d attribute, err code %d\n",
1381                              hw_id, ret);
1382                 goto init_err;
1383         }
1384
1385         priv->num_tc = attr.num_tcs;
1386
1387         /* Resetting the "num_rx_vqueues" to equal number of queues in first TC
1388          * as only one TC is supported on Rx Side. Once Multiple TCs will be
1389          * in use for Rx processing then this will be changed or removed.
1390          */
1391         priv->nb_rx_queues = attr.num_queues;
1392
1393         /* TODO:Using hard coded value for number of TX queues due to dependency
1394          * in MC.
1395          */
1396         priv->nb_tx_queues = 8;
1397
1398         PMD_INIT_LOG(DEBUG, "num TC - RX %d", priv->num_tc);
1399         PMD_INIT_LOG(DEBUG, "nb_tx_queues %d", priv->nb_tx_queues);
1400         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
1401
1402         priv->hw = dpni_dev;
1403         priv->hw_id = hw_id;
1404         priv->options = attr.options;
1405         priv->max_mac_filters = attr.mac_filter_entries;
1406         priv->max_vlan_filters = attr.vlan_filter_entries;
1407         priv->flags = 0;
1408
1409         /* Allocate memory for hardware structure for queues */
1410         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1411         if (ret) {
1412                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1413                 goto init_err;
1414         }
1415
1416         /* Allocate memory for storing MAC addresses */
1417         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1418                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1419         if (eth_dev->data->mac_addrs == NULL) {
1420                 PMD_INIT_LOG(ERR,
1421                    "Failed to allocate %d bytes needed to store MAC addresses",
1422                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1423                 ret = -ENOMEM;
1424                 goto init_err;
1425         }
1426
1427         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1428                                         priv->token,
1429                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1430         if (ret) {
1431                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1432                              ret);
1433                 goto init_err;
1434         }
1435
1436         /* ... tx buffer layout ... */
1437         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1438         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1439         layout.pass_frame_status = 1;
1440         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1441                                      DPNI_QUEUE_TX, &layout);
1442         if (ret) {
1443                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1444                              ret);
1445                 goto init_err;
1446         }
1447
1448         /* ... tx-conf and error buffer layout ... */
1449         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1450         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1451         layout.pass_frame_status = 1;
1452         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1453                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1454         if (ret) {
1455                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1456                              ret);
1457                 goto init_err;
1458         }
1459
1460         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1461
1462         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1463         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1464         rte_fslmc_vfio_dmamap();
1465
1466         return 0;
1467 init_err:
1468         dpaa2_dev_uninit(eth_dev);
1469         return ret;
1470 }
1471
1472 static int
1473 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1474 {
1475         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1476         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1477         int i, ret;
1478         struct dpaa2_queue *dpaa2_q;
1479
1480         PMD_INIT_FUNC_TRACE();
1481
1482         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1483                 return -EPERM;
1484
1485         if (!dpni) {
1486                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1487                 return -1;
1488         }
1489
1490         dpaa2_dev_close(eth_dev);
1491
1492         if (priv->rx_vq[0]) {
1493                 /* cleaning up queue storage */
1494                 for (i = 0; i < priv->nb_rx_queues; i++) {
1495                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1496                         if (dpaa2_q->q_storage)
1497                                 rte_free(dpaa2_q->q_storage);
1498                 }
1499                 /*free the all queue memory */
1500                 rte_free(priv->rx_vq[0]);
1501                 priv->rx_vq[0] = NULL;
1502         }
1503
1504         /* free memory for storing MAC addresses */
1505         if (eth_dev->data->mac_addrs) {
1506                 rte_free(eth_dev->data->mac_addrs);
1507                 eth_dev->data->mac_addrs = NULL;
1508         }
1509
1510         /* Close the device at underlying layer*/
1511         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1512         if (ret) {
1513                 PMD_INIT_LOG(ERR,
1514                              "Failure closing dpni device with err code %d\n",
1515                              ret);
1516         }
1517
1518         /* Free the allocated memory for ethernet private data and dpni*/
1519         priv->hw = NULL;
1520         rte_free(dpni);
1521
1522         eth_dev->dev_ops = NULL;
1523         eth_dev->rx_pkt_burst = NULL;
1524         eth_dev->tx_pkt_burst = NULL;
1525
1526         return 0;
1527 }
1528
1529 static int
1530 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
1531                 struct rte_dpaa2_device *dpaa2_dev)
1532 {
1533         struct rte_eth_dev *eth_dev;
1534         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
1535
1536         int diag;
1537
1538         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
1539
1540         eth_dev = rte_eth_dev_allocate(ethdev_name);
1541         if (eth_dev == NULL)
1542                 return -ENOMEM;
1543
1544         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1545                 eth_dev->data->dev_private = rte_zmalloc(
1546                                                 "ethdev private structure",
1547                                                 sizeof(struct dpaa2_dev_priv),
1548                                                 RTE_CACHE_LINE_SIZE);
1549                 if (eth_dev->data->dev_private == NULL) {
1550                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1551                                      " private port data\n");
1552                         rte_eth_dev_release_port(eth_dev);
1553                         return -ENOMEM;
1554                 }
1555         }
1556         eth_dev->device = &dpaa2_dev->device;
1557         eth_dev->device->driver = &dpaa2_drv->driver;
1558
1559         dpaa2_dev->eth_dev = eth_dev;
1560         eth_dev->data->rx_mbuf_alloc_failed = 0;
1561
1562         /* Invoke PMD device initialization function */
1563         diag = dpaa2_dev_init(eth_dev);
1564         if (diag == 0)
1565                 return 0;
1566
1567         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1568                 rte_free(eth_dev->data->dev_private);
1569         rte_eth_dev_release_port(eth_dev);
1570         return diag;
1571 }
1572
1573 static int
1574 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1575 {
1576         struct rte_eth_dev *eth_dev;
1577
1578         eth_dev = dpaa2_dev->eth_dev;
1579         dpaa2_dev_uninit(eth_dev);
1580
1581         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1582                 rte_free(eth_dev->data->dev_private);
1583         rte_eth_dev_release_port(eth_dev);
1584
1585         return 0;
1586 }
1587
1588 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1589         .drv_type = DPAA2_MC_DPNI_DEVID,
1590         .probe = rte_dpaa2_probe,
1591         .remove = rte_dpaa2_remove,
1592 };
1593
1594 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);