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_FRAMES;
 496                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 497                 /* Notify that the queue is not congested when the data in
 498                  * the queue is below this thershold.
 499                  */
 500                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 501                 cong_notif_cfg.message_ctx = 0;
 502                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 503                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 504                 cong_notif_cfg.notification_mode =
 505                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 506                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 507                                          DPNI_CONG_OPT_COHERENT_WRITE;
 508
 509                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 510                                                        priv->token,
 511                                                        DPNI_QUEUE_TX,
 512                                                        tc_id,
 513                                                        &cong_notif_cfg);
 514                 if (ret) {
 515                         PMD_INIT_LOG(ERR,
 516                            "Error in setting tx congestion notification: = %d",
 517                            -ret);
 518                         return -ret;
 519                 }
 520         }
 521         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 522         return 0;
 523 }
 524
 525 static void
 526 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 527 {
 528         PMD_INIT_FUNC_TRACE();
 529 }
 530
 531 static void
 532 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 533 {
 534         PMD_INIT_FUNC_TRACE();
 535 }
 536
 537 static const uint32_t *
 538 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 539 {
 540         static const uint32_t ptypes[] = {
 541                 /*todo -= add more types */
 542                 RTE_PTYPE_L2_ETHER,
 543                 RTE_PTYPE_L3_IPV4,
 544                 RTE_PTYPE_L3_IPV4_EXT,
 545                 RTE_PTYPE_L3_IPV6,
 546                 RTE_PTYPE_L3_IPV6_EXT,
 547                 RTE_PTYPE_L4_TCP,
 548                 RTE_PTYPE_L4_UDP,
 549                 RTE_PTYPE_L4_SCTP,
 550                 RTE_PTYPE_L4_ICMP,
 551                 RTE_PTYPE_UNKNOWN
 552         };
 553
 554         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 555                 return ptypes;
 556         return NULL;
 557 }
 558
 559 static int
 560 dpaa2_dev_start(struct rte_eth_dev *dev)
 561 {
 562         struct rte_eth_dev_data *data = dev->data;
 563         struct dpaa2_dev_priv *priv = data->dev_private;
 564         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 565         struct dpni_queue cfg;
 566         struct dpni_error_cfg   err_cfg;
 567         uint16_t qdid;
 568         struct dpni_queue_id qid;
 569         struct dpaa2_queue *dpaa2_q;
 570         int ret, i;
 571
 572         PMD_INIT_FUNC_TRACE();
 573
 574         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 575         if (ret) {
 576                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 577                              ret, priv->hw_id);
 578                 return ret;
 579         }
 580
 581         /* Power up the phy. Needed to make the link go Up */
 582         dpaa2_dev_set_link_up(dev);
 583
 584         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 585                             DPNI_QUEUE_TX, &qdid);
 586         if (ret) {
 587                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 588                 return ret;
 589         }
 590         priv->qdid = qdid;
 591
 592         for (i = 0; i < data->nb_rx_queues; i++) {
 593                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 594                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 595                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 596                                        dpaa2_q->flow_id, &cfg, &qid);
 597                 if (ret) {
 598                         PMD_INIT_LOG(ERR, "Error to get flow "
 599                                      "information Error code = %d\n", ret);
 600                         return ret;
 601                 }
 602                 dpaa2_q->fqid = qid.fqid;
 603         }
 604
 605         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 606                                DPNI_OFF_RX_L3_CSUM, true);
 607         if (ret) {
 608                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 609                 return ret;
 610         }
 611
 612         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 613                                DPNI_OFF_RX_L4_CSUM, true);
 614         if (ret) {
 615                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 616                 return ret;
 617         }
 618
 619         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 620                                DPNI_OFF_TX_L3_CSUM, true);
 621         if (ret) {
 622                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 623                 return ret;
 624         }
 625
 626         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 627                                DPNI_OFF_TX_L4_CSUM, true);
 628         if (ret) {
 629                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 630                 return ret;
 631         }
 632
 633         /*checksum errors, send them to normal path and set it in annotation */
 634         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 635
 636         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 637         err_cfg.set_frame_annotation = true;
 638
 639         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 640                                        priv->token, &err_cfg);
 641         if (ret) {
 642                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 643                              "code = %d\n", ret);
 644                 return ret;
 645         }
 646         /* VLAN Offload Settings */
 647         if (priv->max_vlan_filters)
 648                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
 649
 650         return 0;
 651 }
 652
 653 /**
 654  *  This routine disables all traffic on the adapter by issuing a
 655  *  global reset on the MAC.
 656  */
 657 static void
 658 dpaa2_dev_stop(struct rte_eth_dev *dev)
 659 {
 660         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 661         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 662         int ret;
 663         struct rte_eth_link link;
 664
 665         PMD_INIT_FUNC_TRACE();
 666
 667         dpaa2_dev_set_link_down(dev);
 668
 669         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 670         if (ret) {
 671                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 672                              ret, priv->hw_id);
 673                 return;
 674         }
 675
 676         /* clear the recorded link status */
 677         memset(&link, 0, sizeof(link));
 678         dpaa2_dev_atomic_write_link_status(dev, &link);
 679 }
 680
 681 static void
 682 dpaa2_dev_close(struct rte_eth_dev *dev)
 683 {
 684         struct rte_eth_dev_data *data = dev->data;
 685         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 686         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 687         int i, ret;
 688         struct rte_eth_link link;
 689         struct dpaa2_queue *dpaa2_q;
 690
 691         PMD_INIT_FUNC_TRACE();
 692
 693         for (i = 0; i < data->nb_tx_queues; i++) {
 694                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 695                 if (!dpaa2_q->cscn) {
 696                         rte_free(dpaa2_q->cscn);
 697                         dpaa2_q->cscn = NULL;
 698                 }
 699         }
 700
 701         /* Clean the device first */
 702         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 703         if (ret) {
 704                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 705                              " error code %d\n", ret);
 706                 return;
 707         }
 708
 709         memset(&link, 0, sizeof(link));
 710         dpaa2_dev_atomic_write_link_status(dev, &link);
 711 }
 712
 713 static void
 714 dpaa2_dev_promiscuous_enable(
 715                 struct rte_eth_dev *dev)
 716 {
 717         int ret;
 718         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 719         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 720
 721         PMD_INIT_FUNC_TRACE();
 722
 723         if (dpni == NULL) {
 724                 RTE_LOG(ERR, PMD, "dpni is NULL");
 725                 return;
 726         }
 727
 728         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 729         if (ret < 0)
 730                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d", ret);
 731
 732         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 733         if (ret < 0)
 734                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d", ret);
 735 }
 736
 737 static void
 738 dpaa2_dev_promiscuous_disable(
 739                 struct rte_eth_dev *dev)
 740 {
 741         int ret;
 742         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 743         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 744
 745         PMD_INIT_FUNC_TRACE();
 746
 747         if (dpni == NULL) {
 748                 RTE_LOG(ERR, PMD, "dpni is NULL");
 749                 return;
 750         }
 751
 752         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 753         if (ret < 0)
 754                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d", ret);
 755
 756         if (dev->data->all_multicast == 0) {
 757                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
 758                                                  priv->token, false);
 759                 if (ret < 0)
 760                         RTE_LOG(ERR, PMD, "Unable to disable M promisc mode %d",
 761                                 ret);
 762         }
 763 }
 764
 765 static void
 766 dpaa2_dev_allmulticast_enable(
 767                 struct rte_eth_dev *dev)
 768 {
 769         int ret;
 770         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 771         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 772
 773         PMD_INIT_FUNC_TRACE();
 774
 775         if (dpni == NULL) {
 776                 RTE_LOG(ERR, PMD, "dpni is NULL");
 777                 return;
 778         }
 779
 780         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 781         if (ret < 0)
 782                 RTE_LOG(ERR, PMD, "Unable to enable multicast mode %d", ret);
 783 }
 784
 785 static void
 786 dpaa2_dev_allmulticast_disable(struct rte_eth_dev *dev)
 787 {
 788         int ret;
 789         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 790         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 791
 792         PMD_INIT_FUNC_TRACE();
 793
 794         if (dpni == NULL) {
 795                 RTE_LOG(ERR, PMD, "dpni is NULL");
 796                 return;
 797         }
 798
 799         /* must remain on for all promiscuous */
 800         if (dev->data->promiscuous == 1)
 801                 return;
 802
 803         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 804         if (ret < 0)
 805                 RTE_LOG(ERR, PMD, "Unable to disable multicast mode %d", ret);
 806 }
 807
 808 static int
 809 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 810 {
 811         int ret;
 812         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 813         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 814         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 815
 816         PMD_INIT_FUNC_TRACE();
 817
 818         if (dpni == NULL) {
 819                 RTE_LOG(ERR, PMD, "dpni is NULL");
 820                 return -EINVAL;
 821         }
 822
 823         /* check that mtu is within the allowed range */
 824         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 825                 return -EINVAL;
 826
 827         if (frame_size > ETHER_MAX_LEN)
 828                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
 829         else
 830                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
 831
 832         /* Set the Max Rx frame length as 'mtu' +
 833          * Maximum Ethernet header length
 834          */
 835         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 836                                         mtu + ETH_VLAN_HLEN);
 837         if (ret) {
 838                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 839                 return -1;
 840         }
 841         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 842         return 0;
 843 }
 844
 845 static int
 846 dpaa2_dev_add_mac_addr(struct rte_eth_dev *dev,
 847                        struct ether_addr *addr,
 848                        __rte_unused uint32_t index,
 849                        __rte_unused uint32_t pool)
 850 {
 851         int ret;
 852         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 853         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 854
 855         PMD_INIT_FUNC_TRACE();
 856
 857         if (dpni == NULL) {
 858                 RTE_LOG(ERR, PMD, "dpni is NULL");
 859                 return -1;
 860         }
 861
 862         ret = dpni_add_mac_addr(dpni, CMD_PRI_LOW,
 863                                 priv->token, addr->addr_bytes);
 864         if (ret)
 865                 RTE_LOG(ERR, PMD, "error: Adding the MAC ADDR failed:"
 866                         " err = %d", ret);
 867         return 0;
 868 }
 869
 870 static void
 871 dpaa2_dev_remove_mac_addr(struct rte_eth_dev *dev,
 872                           uint32_t index)
 873 {
 874         int ret;
 875         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 876         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 877         struct rte_eth_dev_data *data = dev->data;
 878         struct ether_addr *macaddr;
 879
 880         PMD_INIT_FUNC_TRACE();
 881
 882         macaddr = &data->mac_addrs[index];
 883
 884         if (dpni == NULL) {
 885                 RTE_LOG(ERR, PMD, "dpni is NULL");
 886                 return;
 887         }
 888
 889         ret = dpni_remove_mac_addr(dpni, CMD_PRI_LOW,
 890                                    priv->token, macaddr->addr_bytes);
 891         if (ret)
 892                 RTE_LOG(ERR, PMD, "error: Removing the MAC ADDR failed:"
 893                         " err = %d", ret);
 894 }
 895
 896 static void
 897 dpaa2_dev_set_mac_addr(struct rte_eth_dev *dev,
 898                        struct ether_addr *addr)
 899 {
 900         int ret;
 901         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 902         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 903
 904         PMD_INIT_FUNC_TRACE();
 905
 906         if (dpni == NULL) {
 907                 RTE_LOG(ERR, PMD, "dpni is NULL");
 908                 return;
 909         }
 910
 911         ret = dpni_set_primary_mac_addr(dpni, CMD_PRI_LOW,
 912                                         priv->token, addr->addr_bytes);
 913
 914         if (ret)
 915                 RTE_LOG(ERR, PMD, "error: Setting the MAC ADDR failed %d", ret);
 916 }
 917 static
 918 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 919                          struct rte_eth_stats *stats)
 920 {
 921         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 922         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 923         int32_t  retcode;
 924         uint8_t page0 = 0, page1 = 1, page2 = 2;
 925         union dpni_statistics value;
 926
 927         memset(&value, 0, sizeof(union dpni_statistics));
 928
 929         PMD_INIT_FUNC_TRACE();
 930
 931         if (!dpni) {
 932                 RTE_LOG(ERR, PMD, "dpni is NULL");
 933                 return;
 934         }
 935
 936         if (!stats) {
 937                 RTE_LOG(ERR, PMD, "stats is NULL");
 938                 return;
 939         }
 940
 941         /*Get Counters from page_0*/
 942         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 943                                       page0, &value);
 944         if (retcode)
 945                 goto err;
 946
 947         stats->ipackets = value.page_0.ingress_all_frames;
 948         stats->ibytes = value.page_0.ingress_all_bytes;
 949
 950         /*Get Counters from page_1*/
 951         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 952                                       page1, &value);
 953         if (retcode)
 954                 goto err;
 955
 956         stats->opackets = value.page_1.egress_all_frames;
 957         stats->obytes = value.page_1.egress_all_bytes;
 958
 959         /*Get Counters from page_2*/
 960         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 961                                       page2, &value);
 962         if (retcode)
 963                 goto err;
 964
 965         /* Ingress drop frame count due to configured rules */
 966         stats->ierrors = value.page_2.ingress_filtered_frames;
 967         /* Ingress drop frame count due to error */
 968         stats->ierrors += value.page_2.ingress_discarded_frames;
 969
 970         stats->oerrors = value.page_2.egress_discarded_frames;
 971         stats->imissed = value.page_2.ingress_nobuffer_discards;
 972
 973         return;
 974
 975 err:
 976         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 977         return;
 978 };
 979
 980 static
 981 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 982 {
 983         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 984         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 985         int32_t  retcode;
 986
 987         PMD_INIT_FUNC_TRACE();
 988
 989         if (dpni == NULL) {
 990                 RTE_LOG(ERR, PMD, "dpni is NULL");
 991                 return;
 992         }
 993
 994         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 995         if (retcode)
 996                 goto error;
 997
 998         return;
 999
1000 error:
1001         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1002         return;
1003 };
1004
1005 /* return 0 means link status changed, -1 means not changed */
1006 static int
1007 dpaa2_dev_link_update(struct rte_eth_dev *dev,
1008                         int wait_to_complete __rte_unused)
1009 {
1010         int ret;
1011         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1012         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1013         struct rte_eth_link link, old;
1014         struct dpni_link_state state = {0};
1015
1016         PMD_INIT_FUNC_TRACE();
1017
1018         if (dpni == NULL) {
1019                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
1020                 return 0;
1021         }
1022         memset(&old, 0, sizeof(old));
1023         dpaa2_dev_atomic_read_link_status(dev, &old);
1024
1025         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1026         if (ret < 0) {
1027                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1028                 return -1;
1029         }
1030
1031         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1032                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1033                 return -1;
1034         }
1035
1036         memset(&link, 0, sizeof(struct rte_eth_link));
1037         link.link_status = state.up;
1038         link.link_speed = state.rate;
1039
1040         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1041                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1042         else
1043                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1044
1045         dpaa2_dev_atomic_write_link_status(dev, &link);
1046
1047         if (link.link_status)
1048                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1049         else
1050                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
1051         return 0;
1052 }
1053
1054 /**
1055  * Toggle the DPNI to enable, if not already enabled.
1056  * This is not strictly PHY up/down - it is more of logical toggling.
1057  */
1058 static int
1059 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1060 {
1061         int ret = -EINVAL;
1062         struct dpaa2_dev_priv *priv;
1063         struct fsl_mc_io *dpni;
1064         int en = 0;
1065
1066         PMD_INIT_FUNC_TRACE();
1067
1068         priv = dev->data->dev_private;
1069         dpni = (struct fsl_mc_io *)priv->hw;
1070
1071         if (dpni == NULL) {
1072                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1073                 return ret;
1074         }
1075
1076         /* Check if DPNI is currently enabled */
1077         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1078         if (ret) {
1079                 /* Unable to obtain dpni status; Not continuing */
1080                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1081                 return -EINVAL;
1082         }
1083
1084         /* Enable link if not already enabled */
1085         if (!en) {
1086                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1087                 if (ret) {
1088                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1089                         return -EINVAL;
1090                 }
1091         }
1092         /* changing tx burst function to start enqueues */
1093         dev->tx_pkt_burst = dpaa2_dev_tx;
1094         dev->data->dev_link.link_status = 1;
1095
1096         PMD_DRV_LOG(INFO, "Port %d Link UP successful", dev->data->port_id);
1097         return ret;
1098 }
1099
1100 /**
1101  * Toggle the DPNI to disable, if not already disabled.
1102  * This is not strictly PHY up/down - it is more of logical toggling.
1103  */
1104 static int
1105 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1106 {
1107         int ret = -EINVAL;
1108         struct dpaa2_dev_priv *priv;
1109         struct fsl_mc_io *dpni;
1110         int dpni_enabled = 0;
1111         int retries = 10;
1112
1113         PMD_INIT_FUNC_TRACE();
1114
1115         priv = dev->data->dev_private;
1116         dpni = (struct fsl_mc_io *)priv->hw;
1117
1118         if (dpni == NULL) {
1119                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1120                 return ret;
1121         }
1122
1123         /*changing  tx burst function to avoid any more enqueues */
1124         dev->tx_pkt_burst = dummy_dev_tx;
1125
1126         /* Loop while dpni_disable() attempts to drain the egress FQs
1127          * and confirm them back to us.
1128          */
1129         do {
1130                 ret = dpni_disable(dpni, 0, priv->token);
1131                 if (ret) {
1132                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1133                         return ret;
1134                 }
1135                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1136                 if (ret) {
1137                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1138                         return ret;
1139                 }
1140                 if (dpni_enabled)
1141                         /* Allow the MC some slack */
1142                         rte_delay_us(100 * 1000);
1143         } while (dpni_enabled && --retries);
1144
1145         if (!retries) {
1146                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1147                 /* todo- we may have to manually cleanup queues.
1148                  */
1149         } else {
1150                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1151                             dev->data->port_id);
1152         }
1153
1154         dev->data->dev_link.link_status = 0;
1155
1156         return ret;
1157 }
1158
1159 static int
1160 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1161 {
1162         int ret = -EINVAL;
1163         struct dpaa2_dev_priv *priv;
1164         struct fsl_mc_io *dpni;
1165         struct dpni_link_state state = {0};
1166
1167         PMD_INIT_FUNC_TRACE();
1168
1169         priv = dev->data->dev_private;
1170         dpni = (struct fsl_mc_io *)priv->hw;
1171
1172         if (dpni == NULL || fc_conf == NULL) {
1173                 RTE_LOG(ERR, PMD, "device not configured");
1174                 return ret;
1175         }
1176
1177         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1178         if (ret) {
1179                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1180                 return ret;
1181         }
1182
1183         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1184         if (state.options & DPNI_LINK_OPT_PAUSE) {
1185                 /* DPNI_LINK_OPT_PAUSE set
1186                  *  if ASYM_PAUSE not set,
1187                  *      RX Side flow control (handle received Pause frame)
1188                  *      TX side flow control (send Pause frame)
1189                  *  if ASYM_PAUSE set,
1190                  *      RX Side flow control (handle received Pause frame)
1191                  *      No TX side flow control (send Pause frame disabled)
1192                  */
1193                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1194                         fc_conf->mode = RTE_FC_FULL;
1195                 else
1196                         fc_conf->mode = RTE_FC_RX_PAUSE;
1197         } else {
1198                 /* DPNI_LINK_OPT_PAUSE not set
1199                  *  if ASYM_PAUSE set,
1200                  *      TX side flow control (send Pause frame)
1201                  *      No RX side flow control (No action on pause frame rx)
1202                  *  if ASYM_PAUSE not set,
1203                  *      Flow control disabled
1204                  */
1205                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1206                         fc_conf->mode = RTE_FC_TX_PAUSE;
1207                 else
1208                         fc_conf->mode = RTE_FC_NONE;
1209         }
1210
1211         return ret;
1212 }
1213
1214 static int
1215 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1216 {
1217         int ret = -EINVAL;
1218         struct dpaa2_dev_priv *priv;
1219         struct fsl_mc_io *dpni;
1220         struct dpni_link_state state = {0};
1221         struct dpni_link_cfg cfg = {0};
1222
1223         PMD_INIT_FUNC_TRACE();
1224
1225         priv = dev->data->dev_private;
1226         dpni = (struct fsl_mc_io *)priv->hw;
1227
1228         if (dpni == NULL) {
1229                 RTE_LOG(ERR, PMD, "dpni is NULL");
1230                 return ret;
1231         }
1232
1233         /* It is necessary to obtain the current state before setting fc_conf
1234          * as MC would return error in case rate, autoneg or duplex values are
1235          * different.
1236          */
1237         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1238         if (ret) {
1239                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)", ret);
1240                 return -1;
1241         }
1242
1243         /* Disable link before setting configuration */
1244         dpaa2_dev_set_link_down(dev);
1245
1246         /* Based on fc_conf, update cfg */
1247         cfg.rate = state.rate;
1248         cfg.options = state.options;
1249
1250         /* update cfg with fc_conf */
1251         switch (fc_conf->mode) {
1252         case RTE_FC_FULL:
1253                 /* Full flow control;
1254                  * OPT_PAUSE set, ASYM_PAUSE not set
1255                  */
1256                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1257                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1258         case RTE_FC_TX_PAUSE:
1259                 /* Enable RX flow control
1260                  * OPT_PAUSE not set;
1261                  * ASYM_PAUSE set;
1262                  */
1263                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1264                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1265                 break;
1266         case RTE_FC_RX_PAUSE:
1267                 /* Enable TX Flow control
1268                  * OPT_PAUSE set
1269                  * ASYM_PAUSE set
1270                  */
1271                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1272                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1273                 break;
1274         case RTE_FC_NONE:
1275                 /* Disable Flow control
1276                  * OPT_PAUSE not set
1277                  * ASYM_PAUSE not set
1278                  */
1279                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1280                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1281                 break;
1282         default:
1283                 RTE_LOG(ERR, PMD, "Incorrect Flow control flag (%d)",
1284                         fc_conf->mode);
1285                 return -1;
1286         }
1287
1288         ret = dpni_set_link_cfg(dpni, CMD_PRI_LOW, priv->token, &cfg);
1289         if (ret)
1290                 RTE_LOG(ERR, PMD, "Unable to set Link configuration (err=%d)",
1291                         ret);
1292
1293         /* Enable link */
1294         dpaa2_dev_set_link_up(dev);
1295
1296         return ret;
1297 }
1298
1299 static struct eth_dev_ops dpaa2_ethdev_ops = {
1300         .dev_configure    = dpaa2_eth_dev_configure,
1301         .dev_start            = dpaa2_dev_start,
1302         .dev_stop             = dpaa2_dev_stop,
1303         .dev_close            = dpaa2_dev_close,
1304         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1305         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1306         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1307         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1308         .dev_set_link_up      = dpaa2_dev_set_link_up,
1309         .dev_set_link_down    = dpaa2_dev_set_link_down,
1310         .link_update       = dpaa2_dev_link_update,
1311         .stats_get             = dpaa2_dev_stats_get,
1312         .stats_reset       = dpaa2_dev_stats_reset,
1313         .fw_version_get    = dpaa2_fw_version_get,
1314         .dev_infos_get     = dpaa2_dev_info_get,
1315         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1316         .mtu_set           = dpaa2_dev_mtu_set,
1317         .vlan_filter_set      = dpaa2_vlan_filter_set,
1318         .vlan_offload_set     = dpaa2_vlan_offload_set,
1319         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1320         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1321         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1322         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1323         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1324         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1325         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1326         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1327         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1328 };
1329
1330 static int
1331 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1332 {
1333         struct rte_device *dev = eth_dev->device;
1334         struct rte_dpaa2_device *dpaa2_dev;
1335         struct fsl_mc_io *dpni_dev;
1336         struct dpni_attr attr;
1337         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1338         struct dpni_buffer_layout layout;
1339         int ret, hw_id;
1340
1341         PMD_INIT_FUNC_TRACE();
1342
1343         /* For secondary processes, the primary has done all the work */
1344         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1345                 return 0;
1346
1347         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1348
1349         hw_id = dpaa2_dev->object_id;
1350
1351         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1352         if (!dpni_dev) {
1353                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1354                 return -1;
1355         }
1356
1357         dpni_dev->regs = rte_mcp_ptr_list[0];
1358         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1359         if (ret) {
1360                 PMD_INIT_LOG(ERR,
1361                              "Failure in opening dpni@%d with err code %d\n",
1362                              hw_id, ret);
1363                 rte_free(dpni_dev);
1364                 return -1;
1365         }
1366
1367         /* Clean the device first */
1368         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1369         if (ret) {
1370                 PMD_INIT_LOG(ERR,
1371                              "Failure cleaning dpni@%d with err code %d\n",
1372                              hw_id, ret);
1373                 goto init_err;
1374         }
1375
1376         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1377         if (ret) {
1378                 PMD_INIT_LOG(ERR,
1379                              "Failure in get dpni@%d attribute, err code %d\n",
1380                              hw_id, ret);
1381                 goto init_err;
1382         }
1383
1384         priv->num_tc = attr.num_tcs;
1385
1386         /* Resetting the "num_rx_vqueues" to equal number of queues in first TC
1387          * as only one TC is supported on Rx Side. Once Multiple TCs will be
1388          * in use for Rx processing then this will be changed or removed.
1389          */
1390         priv->nb_rx_queues = attr.num_queues;
1391
1392         /* TODO:Using hard coded value for number of TX queues due to dependency
1393          * in MC.
1394          */
1395         priv->nb_tx_queues = 8;
1396
1397         PMD_INIT_LOG(DEBUG, "num TC - RX %d", priv->num_tc);
1398         PMD_INIT_LOG(DEBUG, "nb_tx_queues %d", priv->nb_tx_queues);
1399         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
1400
1401         priv->hw = dpni_dev;
1402         priv->hw_id = hw_id;
1403         priv->options = attr.options;
1404         priv->max_mac_filters = attr.mac_filter_entries;
1405         priv->max_vlan_filters = attr.vlan_filter_entries;
1406         priv->flags = 0;
1407
1408         /* Allocate memory for hardware structure for queues */
1409         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1410         if (ret) {
1411                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1412                 goto init_err;
1413         }
1414
1415         /* Allocate memory for storing MAC addresses */
1416         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1417                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1418         if (eth_dev->data->mac_addrs == NULL) {
1419                 PMD_INIT_LOG(ERR,
1420                    "Failed to allocate %d bytes needed to store MAC addresses",
1421                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1422                 ret = -ENOMEM;
1423                 goto init_err;
1424         }
1425
1426         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1427                                         priv->token,
1428                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1429         if (ret) {
1430                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1431                              ret);
1432                 goto init_err;
1433         }
1434
1435         /* ... tx buffer layout ... */
1436         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1437         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1438         layout.pass_frame_status = 1;
1439         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1440                                      DPNI_QUEUE_TX, &layout);
1441         if (ret) {
1442                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1443                              ret);
1444                 goto init_err;
1445         }
1446
1447         /* ... tx-conf and error buffer layout ... */
1448         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1449         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1450         layout.pass_frame_status = 1;
1451         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1452                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1453         if (ret) {
1454                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1455                              ret);
1456                 goto init_err;
1457         }
1458
1459         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1460
1461         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1462         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1463         rte_fslmc_vfio_dmamap();
1464
1465         return 0;
1466 init_err:
1467         dpaa2_dev_uninit(eth_dev);
1468         return ret;
1469 }
1470
1471 static int
1472 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1473 {
1474         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1475         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1476         int i, ret;
1477         struct dpaa2_queue *dpaa2_q;
1478
1479         PMD_INIT_FUNC_TRACE();
1480
1481         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1482                 return -EPERM;
1483
1484         if (!dpni) {
1485                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1486                 return -1;
1487         }
1488
1489         dpaa2_dev_close(eth_dev);
1490
1491         if (priv->rx_vq[0]) {
1492                 /* cleaning up queue storage */
1493                 for (i = 0; i < priv->nb_rx_queues; i++) {
1494                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1495                         if (dpaa2_q->q_storage)
1496                                 rte_free(dpaa2_q->q_storage);
1497                 }
1498                 /*free the all queue memory */
1499                 rte_free(priv->rx_vq[0]);
1500                 priv->rx_vq[0] = NULL;
1501         }
1502
1503         /* free memory for storing MAC addresses */
1504         if (eth_dev->data->mac_addrs) {
1505                 rte_free(eth_dev->data->mac_addrs);
1506                 eth_dev->data->mac_addrs = NULL;
1507         }
1508
1509         /* Close the device at underlying layer*/
1510         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1511         if (ret) {
1512                 PMD_INIT_LOG(ERR,
1513                              "Failure closing dpni device with err code %d\n",
1514                              ret);
1515         }
1516
1517         /* Free the allocated memory for ethernet private data and dpni*/
1518         priv->hw = NULL;
1519         rte_free(dpni);
1520
1521         eth_dev->dev_ops = NULL;
1522         eth_dev->rx_pkt_burst = NULL;
1523         eth_dev->tx_pkt_burst = NULL;
1524
1525         return 0;
1526 }
1527
1528 static int
1529 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
1530                 struct rte_dpaa2_device *dpaa2_dev)
1531 {
1532         struct rte_eth_dev *eth_dev;
1533         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
1534
1535         int diag;
1536
1537         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
1538
1539         eth_dev = rte_eth_dev_allocate(ethdev_name);
1540         if (eth_dev == NULL)
1541                 return -ENOMEM;
1542
1543         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1544                 eth_dev->data->dev_private = rte_zmalloc(
1545                                                 "ethdev private structure",
1546                                                 sizeof(struct dpaa2_dev_priv),
1547                                                 RTE_CACHE_LINE_SIZE);
1548                 if (eth_dev->data->dev_private == NULL) {
1549                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1550                                      " private port data\n");
1551                         rte_eth_dev_release_port(eth_dev);
1552                         return -ENOMEM;
1553                 }
1554         }
1555         eth_dev->device = &dpaa2_dev->device;
1556         eth_dev->device->driver = &dpaa2_drv->driver;
1557
1558         dpaa2_dev->eth_dev = eth_dev;
1559         eth_dev->data->rx_mbuf_alloc_failed = 0;
1560
1561         /* Invoke PMD device initialization function */
1562         diag = dpaa2_dev_init(eth_dev);
1563         if (diag == 0)
1564                 return 0;
1565
1566         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1567                 rte_free(eth_dev->data->dev_private);
1568         rte_eth_dev_release_port(eth_dev);
1569         return diag;
1570 }
1571
1572 static int
1573 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1574 {
1575         struct rte_eth_dev *eth_dev;
1576
1577         eth_dev = dpaa2_dev->eth_dev;
1578         dpaa2_dev_uninit(eth_dev);
1579
1580         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1581                 rte_free(eth_dev->data->dev_private);
1582         rte_eth_dev_release_port(eth_dev);
1583
1584         return 0;
1585 }
1586
1587 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1588         .drv_type = DPAA2_MC_DPNI_DEVID,
1589         .probe = rte_dpaa2_probe,
1590         .remove = rte_dpaa2_remove,
1591 };
1592
1593 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);