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->num_dist_per_tc[DPAA2_DEF_TC];
 277              dist_idx++) {
 278                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 279                 mcq->tc_index = DPAA2_DEF_TC;
 280                 mcq->flow_id = dist_idx;
 281                 vq_id++;
 282         }
 283
 284         return 0;
 285 fail_tx:
 286         i -= 1;
 287         while (i >= 0) {
 288                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 289                 rte_free(dpaa2_q->cscn);
 290                 priv->tx_vq[i--] = NULL;
 291         }
 292         i = priv->nb_rx_queues;
 293 fail:
 294         i -= 1;
 295         mc_q = priv->rx_vq[0];
 296         while (i >= 0) {
 297                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 298                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
 299                 rte_free(dpaa2_q->q_storage);
 300                 priv->rx_vq[i--] = NULL;
 301         }
 302         rte_free(mc_q);
 303         return -1;
 304 }
 305
 306 static int
 307 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 308 {
 309         struct rte_eth_dev_data *data = dev->data;
 310         struct rte_eth_conf *eth_conf = &data->dev_conf;
 311         int ret;
 312
 313         PMD_INIT_FUNC_TRACE();
 314
 315         if (eth_conf->rxmode.jumbo_frame == 1) {
 316                 if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
 317                         ret = dpaa2_dev_mtu_set(dev,
 318                                         eth_conf->rxmode.max_rx_pkt_len);
 319                         if (ret) {
 320                                 PMD_INIT_LOG(ERR,
 321                                              "unable to set mtu. check config\n");
 322                                 return ret;
 323                         }
 324                 } else {
 325                         return -1;
 326                 }
 327         }
 328
 329         /* Check for correct configuration */
 330         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 331             data->nb_rx_queues > 1) {
 332                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 333                             "but Rx queues more than 1\n");
 334                 return -1;
 335         }
 336
 337         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 338                 /* Return in case number of Rx queues is 1 */
 339                 if (data->nb_rx_queues == 1)
 340                         return 0;
 341                 ret = dpaa2_setup_flow_dist(dev,
 342                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 343                 if (ret) {
 344                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 345                                      "please check queue config\n");
 346                         return ret;
 347                 }
 348         }
 349         return 0;
 350 }
 351
 352 /* Function to setup RX flow information. It contains traffic class ID,
 353  * flow ID, destination configuration etc.
 354  */
 355 static int
 356 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 357                          uint16_t rx_queue_id,
 358                          uint16_t nb_rx_desc __rte_unused,
 359                          unsigned int socket_id __rte_unused,
 360                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 361                          struct rte_mempool *mb_pool)
 362 {
 363         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 364         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 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 tc id and flow id from given VQ id*/
 388         flow_id = rx_queue_id % priv->num_dist_per_tc[dpaa2_q->tc_index];
 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         if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) {
 396                 options |= DPNI_QUEUE_OPT_FLC;
 397                 cfg.flc.stash_control = true;
 398                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 399                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 400                  * data stashing setting 01 01 00 (0x14) to enable
 401                  * 1 line data, 1 line annotation
 402                  */
 403                 cfg.flc.value |= 0x14;
 404         }
 405         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 406                              dpaa2_q->tc_index, flow_id, options, &cfg);
 407         if (ret) {
 408                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 409                 return -1;
 410         }
 411
 412         if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
 413                 struct dpni_taildrop taildrop;
 414
 415                 taildrop.enable = 1;
 416                 /*enabling per rx queue congestion control */
 417                 taildrop.threshold = CONG_THRESHOLD_RX_Q;
 418                 taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
 419                 PMD_INIT_LOG(DEBUG, "Enabling Early Drop on queue = %d",
 420                              rx_queue_id);
 421                 ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
 422                                         DPNI_CP_QUEUE, DPNI_QUEUE_RX,
 423                                         dpaa2_q->tc_index, flow_id, &taildrop);
 424                 if (ret) {
 425                         PMD_INIT_LOG(ERR, "Error in setting the rx flow"
 426                                      " err : = %d\n", ret);
 427                         return -1;
 428                 }
 429         }
 430
 431         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 432         return 0;
 433 }
 434
 435 static int
 436 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 437                          uint16_t tx_queue_id,
 438                          uint16_t nb_tx_desc __rte_unused,
 439                          unsigned int socket_id __rte_unused,
 440                          const struct rte_eth_txconf *tx_conf __rte_unused)
 441 {
 442         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 443         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 444                 priv->tx_vq[tx_queue_id];
 445         struct fsl_mc_io *dpni = priv->hw;
 446         struct dpni_queue tx_conf_cfg;
 447         struct dpni_queue tx_flow_cfg;
 448         uint8_t options = 0, flow_id;
 449         uint32_t tc_id;
 450         int ret;
 451
 452         PMD_INIT_FUNC_TRACE();
 453
 454         /* Return if queue already configured */
 455         if (dpaa2_q->flow_id != 0xffff)
 456                 return 0;
 457
 458         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 459         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 460
 461         if (priv->num_tc == 1) {
 462                 tc_id = 0;
 463                 flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
 464         } else {
 465                 tc_id = tx_queue_id;
 466                 flow_id = 0;
 467         }
 468
 469         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 470                              tc_id, flow_id, options, &tx_flow_cfg);
 471         if (ret) {
 472                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 473                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 474                              tc_id, flow_id, -ret);
 475                         return -1;
 476         }
 477
 478         dpaa2_q->flow_id = flow_id;
 479
 480         if (tx_queue_id == 0) {
 481                 /*Set tx-conf and error configuration*/
 482                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 483                                                     priv->token,
 484                                                     DPNI_CONF_DISABLE);
 485                 if (ret) {
 486                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 487                                      " ErrorCode = %x", ret);
 488                         return -1;
 489                 }
 490         }
 491         dpaa2_q->tc_index = tc_id;
 492
 493         if (priv->flags & DPAA2_TX_CGR_SUPPORT) {
 494                 struct dpni_congestion_notification_cfg cong_notif_cfg;
 495
 496                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_BYTES;
 497                 /* Notify about congestion when the queue size is 32 KB */
 498                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 499                 /* Notify that the queue is not congested when the data in
 500                  * the queue is below this thershold.
 501                  */
 502                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 503                 cong_notif_cfg.message_ctx = 0;
 504                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 505                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 506                 cong_notif_cfg.notification_mode =
 507                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 508                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 509                                          DPNI_CONG_OPT_COHERENT_WRITE;
 510
 511                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 512                                                        priv->token,
 513                                                        DPNI_QUEUE_TX,
 514                                                        tc_id,
 515                                                        &cong_notif_cfg);
 516                 if (ret) {
 517                         PMD_INIT_LOG(ERR,
 518                            "Error in setting tx congestion notification: = %d",
 519                            -ret);
 520                         return -ret;
 521                 }
 522         }
 523         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 524         return 0;
 525 }
 526
 527 static void
 528 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 529 {
 530         PMD_INIT_FUNC_TRACE();
 531 }
 532
 533 static void
 534 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 535 {
 536         PMD_INIT_FUNC_TRACE();
 537 }
 538
 539 static const uint32_t *
 540 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 541 {
 542         static const uint32_t ptypes[] = {
 543                 /*todo -= add more types */
 544                 RTE_PTYPE_L2_ETHER,
 545                 RTE_PTYPE_L3_IPV4,
 546                 RTE_PTYPE_L3_IPV4_EXT,
 547                 RTE_PTYPE_L3_IPV6,
 548                 RTE_PTYPE_L3_IPV6_EXT,
 549                 RTE_PTYPE_L4_TCP,
 550                 RTE_PTYPE_L4_UDP,
 551                 RTE_PTYPE_L4_SCTP,
 552                 RTE_PTYPE_L4_ICMP,
 553                 RTE_PTYPE_UNKNOWN
 554         };
 555
 556         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 557                 return ptypes;
 558         return NULL;
 559 }
 560
 561 static int
 562 dpaa2_dev_start(struct rte_eth_dev *dev)
 563 {
 564         struct rte_eth_dev_data *data = dev->data;
 565         struct dpaa2_dev_priv *priv = data->dev_private;
 566         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 567         struct dpni_queue cfg;
 568         struct dpni_error_cfg   err_cfg;
 569         uint16_t qdid;
 570         struct dpni_queue_id qid;
 571         struct dpaa2_queue *dpaa2_q;
 572         int ret, i;
 573
 574         PMD_INIT_FUNC_TRACE();
 575
 576         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 577         if (ret) {
 578                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 579                              ret, priv->hw_id);
 580                 return ret;
 581         }
 582
 583         /* Power up the phy. Needed to make the link go Up */
 584         dpaa2_dev_set_link_up(dev);
 585
 586         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 587                             DPNI_QUEUE_TX, &qdid);
 588         if (ret) {
 589                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 590                 return ret;
 591         }
 592         priv->qdid = qdid;
 593
 594         for (i = 0; i < data->nb_rx_queues; i++) {
 595                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 596                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 597                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 598                                        dpaa2_q->flow_id, &cfg, &qid);
 599                 if (ret) {
 600                         PMD_INIT_LOG(ERR, "Error to get flow "
 601                                      "information Error code = %d\n", ret);
 602                         return ret;
 603                 }
 604                 dpaa2_q->fqid = qid.fqid;
 605         }
 606
 607         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 608                                DPNI_OFF_RX_L3_CSUM, true);
 609         if (ret) {
 610                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 611                 return ret;
 612         }
 613
 614         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 615                                DPNI_OFF_RX_L4_CSUM, true);
 616         if (ret) {
 617                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 618                 return ret;
 619         }
 620
 621         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 622                                DPNI_OFF_TX_L3_CSUM, true);
 623         if (ret) {
 624                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 625                 return ret;
 626         }
 627
 628         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 629                                DPNI_OFF_TX_L4_CSUM, true);
 630         if (ret) {
 631                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 632                 return ret;
 633         }
 634
 635         /*checksum errors, send them to normal path and set it in annotation */
 636         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 637
 638         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 639         err_cfg.set_frame_annotation = true;
 640
 641         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 642                                        priv->token, &err_cfg);
 643         if (ret) {
 644                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 645                              "code = %d\n", ret);
 646                 return ret;
 647         }
 648         /* VLAN Offload Settings */
 649         if (priv->max_vlan_filters)
 650                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
 651
 652         return 0;
 653 }
 654
 655 /**
 656  *  This routine disables all traffic on the adapter by issuing a
 657  *  global reset on the MAC.
 658  */
 659 static void
 660 dpaa2_dev_stop(struct rte_eth_dev *dev)
 661 {
 662         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 663         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 664         int ret;
 665         struct rte_eth_link link;
 666
 667         PMD_INIT_FUNC_TRACE();
 668
 669         dpaa2_dev_set_link_down(dev);
 670
 671         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 672         if (ret) {
 673                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 674                              ret, priv->hw_id);
 675                 return;
 676         }
 677
 678         /* clear the recorded link status */
 679         memset(&link, 0, sizeof(link));
 680         dpaa2_dev_atomic_write_link_status(dev, &link);
 681 }
 682
 683 static void
 684 dpaa2_dev_close(struct rte_eth_dev *dev)
 685 {
 686         struct rte_eth_dev_data *data = dev->data;
 687         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 688         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 689         int i, ret;
 690         struct rte_eth_link link;
 691         struct dpaa2_queue *dpaa2_q;
 692
 693         PMD_INIT_FUNC_TRACE();
 694
 695         for (i = 0; i < data->nb_tx_queues; i++) {
 696                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 697                 if (!dpaa2_q->cscn) {
 698                         rte_free(dpaa2_q->cscn);
 699                         dpaa2_q->cscn = NULL;
 700                 }
 701         }
 702
 703         /* Clean the device first */
 704         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 705         if (ret) {
 706                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 707                              " error code %d\n", ret);
 708                 return;
 709         }
 710
 711         memset(&link, 0, sizeof(link));
 712         dpaa2_dev_atomic_write_link_status(dev, &link);
 713 }
 714
 715 static void
 716 dpaa2_dev_promiscuous_enable(
 717                 struct rte_eth_dev *dev)
 718 {
 719         int ret;
 720         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 721         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 722
 723         PMD_INIT_FUNC_TRACE();
 724
 725         if (dpni == NULL) {
 726                 RTE_LOG(ERR, PMD, "dpni is NULL");
 727                 return;
 728         }
 729
 730         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 731         if (ret < 0)
 732                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d", ret);
 733
 734         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 735         if (ret < 0)
 736                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d", ret);
 737 }
 738
 739 static void
 740 dpaa2_dev_promiscuous_disable(
 741                 struct rte_eth_dev *dev)
 742 {
 743         int ret;
 744         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 745         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 746
 747         PMD_INIT_FUNC_TRACE();
 748
 749         if (dpni == NULL) {
 750                 RTE_LOG(ERR, PMD, "dpni is NULL");
 751                 return;
 752         }
 753
 754         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 755         if (ret < 0)
 756                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d", ret);
 757
 758         if (dev->data->all_multicast == 0) {
 759                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
 760                                                  priv->token, false);
 761                 if (ret < 0)
 762                         RTE_LOG(ERR, PMD, "Unable to disable M promisc mode %d",
 763                                 ret);
 764         }
 765 }
 766
 767 static void
 768 dpaa2_dev_allmulticast_enable(
 769                 struct rte_eth_dev *dev)
 770 {
 771         int ret;
 772         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 773         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 774
 775         PMD_INIT_FUNC_TRACE();
 776
 777         if (dpni == NULL) {
 778                 RTE_LOG(ERR, PMD, "dpni is NULL");
 779                 return;
 780         }
 781
 782         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 783         if (ret < 0)
 784                 RTE_LOG(ERR, PMD, "Unable to enable multicast mode %d", ret);
 785 }
 786
 787 static void
 788 dpaa2_dev_allmulticast_disable(struct rte_eth_dev *dev)
 789 {
 790         int ret;
 791         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 792         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 793
 794         PMD_INIT_FUNC_TRACE();
 795
 796         if (dpni == NULL) {
 797                 RTE_LOG(ERR, PMD, "dpni is NULL");
 798                 return;
 799         }
 800
 801         /* must remain on for all promiscuous */
 802         if (dev->data->promiscuous == 1)
 803                 return;
 804
 805         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 806         if (ret < 0)
 807                 RTE_LOG(ERR, PMD, "Unable to disable multicast mode %d", ret);
 808 }
 809
 810 static int
 811 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 812 {
 813         int ret;
 814         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 815         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 816         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 817
 818         PMD_INIT_FUNC_TRACE();
 819
 820         if (dpni == NULL) {
 821                 RTE_LOG(ERR, PMD, "dpni is NULL");
 822                 return -EINVAL;
 823         }
 824
 825         /* check that mtu is within the allowed range */
 826         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 827                 return -EINVAL;
 828
 829         if (frame_size > ETHER_MAX_LEN)
 830                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
 831         else
 832                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
 833
 834         /* Set the Max Rx frame length as 'mtu' +
 835          * Maximum Ethernet header length
 836          */
 837         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 838                                         mtu + ETH_VLAN_HLEN);
 839         if (ret) {
 840                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 841                 return -1;
 842         }
 843         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 844         return 0;
 845 }
 846
 847 static int
 848 dpaa2_dev_add_mac_addr(struct rte_eth_dev *dev,
 849                        struct ether_addr *addr,
 850                        __rte_unused uint32_t index,
 851                        __rte_unused uint32_t pool)
 852 {
 853         int ret;
 854         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 855         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 856
 857         PMD_INIT_FUNC_TRACE();
 858
 859         if (dpni == NULL) {
 860                 RTE_LOG(ERR, PMD, "dpni is NULL");
 861                 return -1;
 862         }
 863
 864         ret = dpni_add_mac_addr(dpni, CMD_PRI_LOW,
 865                                 priv->token, addr->addr_bytes);
 866         if (ret)
 867                 RTE_LOG(ERR, PMD, "error: Adding the MAC ADDR failed:"
 868                         " err = %d", ret);
 869         return 0;
 870 }
 871
 872 static void
 873 dpaa2_dev_remove_mac_addr(struct rte_eth_dev *dev,
 874                           uint32_t index)
 875 {
 876         int ret;
 877         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 878         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 879         struct rte_eth_dev_data *data = dev->data;
 880         struct ether_addr *macaddr;
 881
 882         PMD_INIT_FUNC_TRACE();
 883
 884         macaddr = &data->mac_addrs[index];
 885
 886         if (dpni == NULL) {
 887                 RTE_LOG(ERR, PMD, "dpni is NULL");
 888                 return;
 889         }
 890
 891         ret = dpni_remove_mac_addr(dpni, CMD_PRI_LOW,
 892                                    priv->token, macaddr->addr_bytes);
 893         if (ret)
 894                 RTE_LOG(ERR, PMD, "error: Removing the MAC ADDR failed:"
 895                         " err = %d", ret);
 896 }
 897
 898 static void
 899 dpaa2_dev_set_mac_addr(struct rte_eth_dev *dev,
 900                        struct ether_addr *addr)
 901 {
 902         int ret;
 903         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 904         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 905
 906         PMD_INIT_FUNC_TRACE();
 907
 908         if (dpni == NULL) {
 909                 RTE_LOG(ERR, PMD, "dpni is NULL");
 910                 return;
 911         }
 912
 913         ret = dpni_set_primary_mac_addr(dpni, CMD_PRI_LOW,
 914                                         priv->token, addr->addr_bytes);
 915
 916         if (ret)
 917                 RTE_LOG(ERR, PMD, "error: Setting the MAC ADDR failed %d", ret);
 918 }
 919 static
 920 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 921                          struct rte_eth_stats *stats)
 922 {
 923         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 924         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 925         int32_t  retcode;
 926         uint8_t page0 = 0, page1 = 1, page2 = 2;
 927         union dpni_statistics value;
 928
 929         memset(&value, 0, sizeof(union dpni_statistics));
 930
 931         PMD_INIT_FUNC_TRACE();
 932
 933         if (!dpni) {
 934                 RTE_LOG(ERR, PMD, "dpni is NULL");
 935                 return;
 936         }
 937
 938         if (!stats) {
 939                 RTE_LOG(ERR, PMD, "stats is NULL");
 940                 return;
 941         }
 942
 943         /*Get Counters from page_0*/
 944         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 945                                       page0, &value);
 946         if (retcode)
 947                 goto err;
 948
 949         stats->ipackets = value.page_0.ingress_all_frames;
 950         stats->ibytes = value.page_0.ingress_all_bytes;
 951
 952         /*Get Counters from page_1*/
 953         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 954                                       page1, &value);
 955         if (retcode)
 956                 goto err;
 957
 958         stats->opackets = value.page_1.egress_all_frames;
 959         stats->obytes = value.page_1.egress_all_bytes;
 960
 961         /*Get Counters from page_2*/
 962         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 963                                       page2, &value);
 964         if (retcode)
 965                 goto err;
 966
 967         /* Ingress drop frame count due to configured rules */
 968         stats->ierrors = value.page_2.ingress_filtered_frames;
 969         /* Ingress drop frame count due to error */
 970         stats->ierrors += value.page_2.ingress_discarded_frames;
 971
 972         stats->oerrors = value.page_2.egress_discarded_frames;
 973         stats->imissed = value.page_2.ingress_nobuffer_discards;
 974
 975         return;
 976
 977 err:
 978         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 979         return;
 980 };
 981
 982 static
 983 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 984 {
 985         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 986         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 987         int32_t  retcode;
 988
 989         PMD_INIT_FUNC_TRACE();
 990
 991         if (dpni == NULL) {
 992                 RTE_LOG(ERR, PMD, "dpni is NULL");
 993                 return;
 994         }
 995
 996         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 997         if (retcode)
 998                 goto error;
 999
1000         return;
1001
1002 error:
1003         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1004         return;
1005 };
1006
1007 /* return 0 means link status changed, -1 means not changed */
1008 static int
1009 dpaa2_dev_link_update(struct rte_eth_dev *dev,
1010                         int wait_to_complete __rte_unused)
1011 {
1012         int ret;
1013         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1014         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1015         struct rte_eth_link link, old;
1016         struct dpni_link_state state = {0};
1017
1018         PMD_INIT_FUNC_TRACE();
1019
1020         if (dpni == NULL) {
1021                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
1022                 return 0;
1023         }
1024         memset(&old, 0, sizeof(old));
1025         dpaa2_dev_atomic_read_link_status(dev, &old);
1026
1027         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1028         if (ret < 0) {
1029                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1030                 return -1;
1031         }
1032
1033         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1034                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1035                 return -1;
1036         }
1037
1038         memset(&link, 0, sizeof(struct rte_eth_link));
1039         link.link_status = state.up;
1040         link.link_speed = state.rate;
1041
1042         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1043                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1044         else
1045                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1046
1047         dpaa2_dev_atomic_write_link_status(dev, &link);
1048
1049         if (link.link_status)
1050                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1051         else
1052                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
1053         return 0;
1054 }
1055
1056 /**
1057  * Toggle the DPNI to enable, if not already enabled.
1058  * This is not strictly PHY up/down - it is more of logical toggling.
1059  */
1060 static int
1061 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1062 {
1063         int ret = -EINVAL;
1064         struct dpaa2_dev_priv *priv;
1065         struct fsl_mc_io *dpni;
1066         int en = 0;
1067
1068         PMD_INIT_FUNC_TRACE();
1069
1070         priv = dev->data->dev_private;
1071         dpni = (struct fsl_mc_io *)priv->hw;
1072
1073         if (dpni == NULL) {
1074                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1075                 return ret;
1076         }
1077
1078         /* Check if DPNI is currently enabled */
1079         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1080         if (ret) {
1081                 /* Unable to obtain dpni status; Not continuing */
1082                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1083                 return -EINVAL;
1084         }
1085
1086         /* Enable link if not already enabled */
1087         if (!en) {
1088                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1089                 if (ret) {
1090                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1091                         return -EINVAL;
1092                 }
1093         }
1094         /* changing tx burst function to start enqueues */
1095         dev->tx_pkt_burst = dpaa2_dev_tx;
1096         dev->data->dev_link.link_status = 1;
1097
1098         PMD_DRV_LOG(INFO, "Port %d Link UP successful", dev->data->port_id);
1099         return ret;
1100 }
1101
1102 /**
1103  * Toggle the DPNI to disable, if not already disabled.
1104  * This is not strictly PHY up/down - it is more of logical toggling.
1105  */
1106 static int
1107 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1108 {
1109         int ret = -EINVAL;
1110         struct dpaa2_dev_priv *priv;
1111         struct fsl_mc_io *dpni;
1112         int dpni_enabled = 0;
1113         int retries = 10;
1114
1115         PMD_INIT_FUNC_TRACE();
1116
1117         priv = dev->data->dev_private;
1118         dpni = (struct fsl_mc_io *)priv->hw;
1119
1120         if (dpni == NULL) {
1121                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1122                 return ret;
1123         }
1124
1125         /*changing  tx burst function to avoid any more enqueues */
1126         dev->tx_pkt_burst = dummy_dev_tx;
1127
1128         /* Loop while dpni_disable() attempts to drain the egress FQs
1129          * and confirm them back to us.
1130          */
1131         do {
1132                 ret = dpni_disable(dpni, 0, priv->token);
1133                 if (ret) {
1134                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1135                         return ret;
1136                 }
1137                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1138                 if (ret) {
1139                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1140                         return ret;
1141                 }
1142                 if (dpni_enabled)
1143                         /* Allow the MC some slack */
1144                         rte_delay_us(100 * 1000);
1145         } while (dpni_enabled && --retries);
1146
1147         if (!retries) {
1148                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1149                 /* todo- we may have to manually cleanup queues.
1150                  */
1151         } else {
1152                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1153                             dev->data->port_id);
1154         }
1155
1156         dev->data->dev_link.link_status = 0;
1157
1158         return ret;
1159 }
1160
1161 static int
1162 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1163 {
1164         int ret = -EINVAL;
1165         struct dpaa2_dev_priv *priv;
1166         struct fsl_mc_io *dpni;
1167         struct dpni_link_state state = {0};
1168
1169         PMD_INIT_FUNC_TRACE();
1170
1171         priv = dev->data->dev_private;
1172         dpni = (struct fsl_mc_io *)priv->hw;
1173
1174         if (dpni == NULL || fc_conf == NULL) {
1175                 RTE_LOG(ERR, PMD, "device not configured");
1176                 return ret;
1177         }
1178
1179         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1180         if (ret) {
1181                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1182                 return ret;
1183         }
1184
1185         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1186         if (state.options & DPNI_LINK_OPT_PAUSE) {
1187                 /* DPNI_LINK_OPT_PAUSE set
1188                  *  if ASYM_PAUSE not set,
1189                  *      RX Side flow control (handle received Pause frame)
1190                  *      TX side flow control (send Pause frame)
1191                  *  if ASYM_PAUSE set,
1192                  *      RX Side flow control (handle received Pause frame)
1193                  *      No TX side flow control (send Pause frame disabled)
1194                  */
1195                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1196                         fc_conf->mode = RTE_FC_FULL;
1197                 else
1198                         fc_conf->mode = RTE_FC_RX_PAUSE;
1199         } else {
1200                 /* DPNI_LINK_OPT_PAUSE not set
1201                  *  if ASYM_PAUSE set,
1202                  *      TX side flow control (send Pause frame)
1203                  *      No RX side flow control (No action on pause frame rx)
1204                  *  if ASYM_PAUSE not set,
1205                  *      Flow control disabled
1206                  */
1207                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1208                         fc_conf->mode = RTE_FC_TX_PAUSE;
1209                 else
1210                         fc_conf->mode = RTE_FC_NONE;
1211         }
1212
1213         return ret;
1214 }
1215
1216 static int
1217 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1218 {
1219         int ret = -EINVAL;
1220         struct dpaa2_dev_priv *priv;
1221         struct fsl_mc_io *dpni;
1222         struct dpni_link_state state = {0};
1223         struct dpni_link_cfg cfg = {0};
1224
1225         PMD_INIT_FUNC_TRACE();
1226
1227         priv = dev->data->dev_private;
1228         dpni = (struct fsl_mc_io *)priv->hw;
1229
1230         if (dpni == NULL) {
1231                 RTE_LOG(ERR, PMD, "dpni is NULL");
1232                 return ret;
1233         }
1234
1235         /* It is necessary to obtain the current state before setting fc_conf
1236          * as MC would return error in case rate, autoneg or duplex values are
1237          * different.
1238          */
1239         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1240         if (ret) {
1241                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)", ret);
1242                 return -1;
1243         }
1244
1245         /* Disable link before setting configuration */
1246         dpaa2_dev_set_link_down(dev);
1247
1248         /* Based on fc_conf, update cfg */
1249         cfg.rate = state.rate;
1250         cfg.options = state.options;
1251
1252         /* update cfg with fc_conf */
1253         switch (fc_conf->mode) {
1254         case RTE_FC_FULL:
1255                 /* Full flow control;
1256                  * OPT_PAUSE set, ASYM_PAUSE not set
1257                  */
1258                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1259                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1260         case RTE_FC_TX_PAUSE:
1261                 /* Enable RX flow control
1262                  * OPT_PAUSE not set;
1263                  * ASYM_PAUSE set;
1264                  */
1265                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1266                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1267                 break;
1268         case RTE_FC_RX_PAUSE:
1269                 /* Enable TX Flow control
1270                  * OPT_PAUSE set
1271                  * ASYM_PAUSE set
1272                  */
1273                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1274                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1275                 break;
1276         case RTE_FC_NONE:
1277                 /* Disable Flow control
1278                  * OPT_PAUSE not set
1279                  * ASYM_PAUSE not set
1280                  */
1281                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1282                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1283                 break;
1284         default:
1285                 RTE_LOG(ERR, PMD, "Incorrect Flow control flag (%d)",
1286                         fc_conf->mode);
1287                 return -1;
1288         }
1289
1290         ret = dpni_set_link_cfg(dpni, CMD_PRI_LOW, priv->token, &cfg);
1291         if (ret)
1292                 RTE_LOG(ERR, PMD, "Unable to set Link configuration (err=%d)",
1293                         ret);
1294
1295         /* Enable link */
1296         dpaa2_dev_set_link_up(dev);
1297
1298         return ret;
1299 }
1300
1301 static struct eth_dev_ops dpaa2_ethdev_ops = {
1302         .dev_configure    = dpaa2_eth_dev_configure,
1303         .dev_start            = dpaa2_dev_start,
1304         .dev_stop             = dpaa2_dev_stop,
1305         .dev_close            = dpaa2_dev_close,
1306         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1307         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1308         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1309         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1310         .dev_set_link_up      = dpaa2_dev_set_link_up,
1311         .dev_set_link_down    = dpaa2_dev_set_link_down,
1312         .link_update       = dpaa2_dev_link_update,
1313         .stats_get             = dpaa2_dev_stats_get,
1314         .stats_reset       = dpaa2_dev_stats_reset,
1315         .fw_version_get    = dpaa2_fw_version_get,
1316         .dev_infos_get     = dpaa2_dev_info_get,
1317         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1318         .mtu_set           = dpaa2_dev_mtu_set,
1319         .vlan_filter_set      = dpaa2_vlan_filter_set,
1320         .vlan_offload_set     = dpaa2_vlan_offload_set,
1321         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1322         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1323         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1324         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1325         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1326         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1327         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1328         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1329         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1330 };
1331
1332 static int
1333 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1334 {
1335         struct rte_device *dev = eth_dev->device;
1336         struct rte_dpaa2_device *dpaa2_dev;
1337         struct fsl_mc_io *dpni_dev;
1338         struct dpni_attr attr;
1339         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1340         struct dpni_buffer_layout layout;
1341         int i, ret, hw_id;
1342
1343         PMD_INIT_FUNC_TRACE();
1344
1345         /* For secondary processes, the primary has done all the work */
1346         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1347                 return 0;
1348
1349         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1350
1351         hw_id = dpaa2_dev->object_id;
1352
1353         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1354         if (!dpni_dev) {
1355                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1356                 return -1;
1357         }
1358
1359         dpni_dev->regs = rte_mcp_ptr_list[0];
1360         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1361         if (ret) {
1362                 PMD_INIT_LOG(ERR,
1363                              "Failure in opening dpni@%d with err code %d\n",
1364                              hw_id, ret);
1365                 rte_free(dpni_dev);
1366                 return -1;
1367         }
1368
1369         /* Clean the device first */
1370         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1371         if (ret) {
1372                 PMD_INIT_LOG(ERR,
1373                              "Failure cleaning dpni@%d with err code %d\n",
1374                              hw_id, ret);
1375                 goto init_err;
1376         }
1377
1378         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1379         if (ret) {
1380                 PMD_INIT_LOG(ERR,
1381                              "Failure in get dpni@%d attribute, err code %d\n",
1382                              hw_id, ret);
1383                 goto init_err;
1384         }
1385
1386         priv->num_tc = attr.num_tcs;
1387         for (i = 0; i < attr.num_tcs; i++) {
1388                 priv->num_dist_per_tc[i] = attr.num_queues;
1389                 break;
1390         }
1391
1392         /* Distribution is per Tc only,
1393          * so choosing RX queues from default TC only
1394          */
1395         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
1396
1397         if (attr.num_tcs == 1)
1398                 priv->nb_tx_queues = attr.num_queues;
1399         else
1400                 priv->nb_tx_queues = attr.num_tcs;
1401
1402         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
1403         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
1404
1405         priv->hw = dpni_dev;
1406         priv->hw_id = hw_id;
1407         priv->options = attr.options;
1408         priv->max_mac_filters = attr.mac_filter_entries;
1409         priv->max_vlan_filters = attr.vlan_filter_entries;
1410         priv->flags = 0;
1411
1412         priv->flags |= DPAA2_TX_CGR_SUPPORT;
1413         PMD_INIT_LOG(INFO, "Enable the tx congestion control support");
1414
1415         /* Allocate memory for hardware structure for queues */
1416         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1417         if (ret) {
1418                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1419                 goto init_err;
1420         }
1421
1422         /* Allocate memory for storing MAC addresses */
1423         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1424                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1425         if (eth_dev->data->mac_addrs == NULL) {
1426                 PMD_INIT_LOG(ERR,
1427                    "Failed to allocate %d bytes needed to store MAC addresses",
1428                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1429                 ret = -ENOMEM;
1430                 goto init_err;
1431         }
1432
1433         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1434                                         priv->token,
1435                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1436         if (ret) {
1437                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1438                              ret);
1439                 goto init_err;
1440         }
1441
1442         /* ... tx buffer layout ... */
1443         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1444         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1445         layout.pass_frame_status = 1;
1446         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1447                                      DPNI_QUEUE_TX, &layout);
1448         if (ret) {
1449                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1450                              ret);
1451                 goto init_err;
1452         }
1453
1454         /* ... tx-conf and error buffer layout ... */
1455         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1456         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1457         layout.pass_frame_status = 1;
1458         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1459                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1460         if (ret) {
1461                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1462                              ret);
1463                 goto init_err;
1464         }
1465
1466         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1467
1468         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1469         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1470         rte_fslmc_vfio_dmamap();
1471
1472         return 0;
1473 init_err:
1474         dpaa2_dev_uninit(eth_dev);
1475         return ret;
1476 }
1477
1478 static int
1479 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1480 {
1481         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1482         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1483         int i, ret;
1484         struct dpaa2_queue *dpaa2_q;
1485
1486         PMD_INIT_FUNC_TRACE();
1487
1488         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1489                 return -EPERM;
1490
1491         if (!dpni) {
1492                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1493                 return -1;
1494         }
1495
1496         dpaa2_dev_close(eth_dev);
1497
1498         if (priv->rx_vq[0]) {
1499                 /* cleaning up queue storage */
1500                 for (i = 0; i < priv->nb_rx_queues; i++) {
1501                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1502                         if (dpaa2_q->q_storage)
1503                                 rte_free(dpaa2_q->q_storage);
1504                 }
1505                 /*free the all queue memory */
1506                 rte_free(priv->rx_vq[0]);
1507                 priv->rx_vq[0] = NULL;
1508         }
1509
1510         /* free memory for storing MAC addresses */
1511         if (eth_dev->data->mac_addrs) {
1512                 rte_free(eth_dev->data->mac_addrs);
1513                 eth_dev->data->mac_addrs = NULL;
1514         }
1515
1516         /* Close the device at underlying layer*/
1517         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1518         if (ret) {
1519                 PMD_INIT_LOG(ERR,
1520                              "Failure closing dpni device with err code %d\n",
1521                              ret);
1522         }
1523
1524         /* Free the allocated memory for ethernet private data and dpni*/
1525         priv->hw = NULL;
1526         rte_free(dpni);
1527
1528         eth_dev->dev_ops = NULL;
1529         eth_dev->rx_pkt_burst = NULL;
1530         eth_dev->tx_pkt_burst = NULL;
1531
1532         return 0;
1533 }
1534
1535 static int
1536 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
1537                 struct rte_dpaa2_device *dpaa2_dev)
1538 {
1539         struct rte_eth_dev *eth_dev;
1540         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
1541
1542         int diag;
1543
1544         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
1545
1546         eth_dev = rte_eth_dev_allocate(ethdev_name);
1547         if (eth_dev == NULL)
1548                 return -ENOMEM;
1549
1550         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1551                 eth_dev->data->dev_private = rte_zmalloc(
1552                                                 "ethdev private structure",
1553                                                 sizeof(struct dpaa2_dev_priv),
1554                                                 RTE_CACHE_LINE_SIZE);
1555                 if (eth_dev->data->dev_private == NULL) {
1556                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1557                                      " private port data\n");
1558                         rte_eth_dev_release_port(eth_dev);
1559                         return -ENOMEM;
1560                 }
1561         }
1562         eth_dev->device = &dpaa2_dev->device;
1563         eth_dev->device->driver = &dpaa2_drv->driver;
1564
1565         dpaa2_dev->eth_dev = eth_dev;
1566         eth_dev->data->rx_mbuf_alloc_failed = 0;
1567
1568         /* Invoke PMD device initialization function */
1569         diag = dpaa2_dev_init(eth_dev);
1570         if (diag == 0)
1571                 return 0;
1572
1573         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1574                 rte_free(eth_dev->data->dev_private);
1575         rte_eth_dev_release_port(eth_dev);
1576         return diag;
1577 }
1578
1579 static int
1580 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1581 {
1582         struct rte_eth_dev *eth_dev;
1583
1584         eth_dev = dpaa2_dev->eth_dev;
1585         dpaa2_dev_uninit(eth_dev);
1586
1587         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1588                 rte_free(eth_dev->data->dev_private);
1589         rte_eth_dev_release_port(eth_dev);
1590
1591         return 0;
1592 }
1593
1594 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1595         .drv_type = DPAA2_MC_DPNI_DEVID,
1596         .probe = rte_dpaa2_probe,
1597         .remove = rte_dpaa2_remove,
1598 };
1599
1600 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);