drivers/net/dpaa2/dpaa2_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright 2016 NXP.
   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_fslmc.h>
  46
  47 #include <fslmc_logs.h>
  48 #include <fslmc_vfio.h>
  49 #include <dpaa2_hw_pvt.h>
  50 #include <dpaa2_hw_mempool.h>
  51 #include <dpaa2_hw_dpio.h>
  52 #include <mc/fsl_dpmng.h>
  53 #include "dpaa2_ethdev.h"
  54
  55 static struct rte_dpaa2_driver rte_dpaa2_pmd;
  56 static int dpaa2_dev_uninit(struct rte_eth_dev *eth_dev);
  57 static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
  58 static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
  59 static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  60
  61 /**
  62  * Atomically reads the link status information from global
  63  * structure rte_eth_dev.
  64  *
  65  * @param dev
  66  *   - Pointer to the structure rte_eth_dev to read from.
  67  *   - Pointer to the buffer to be saved with the link status.
  68  *
  69  * @return
  70  *   - On success, zero.
  71  *   - On failure, negative value.
  72  */
  73 static inline int
  74 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  75                                   struct rte_eth_link *link)
  76 {
  77         struct rte_eth_link *dst = link;
  78         struct rte_eth_link *src = &dev->data->dev_link;
  79
  80         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  81                                 *(uint64_t *)src) == 0)
  82                 return -1;
  83
  84         return 0;
  85 }
  86
  87 /**
  88  * Atomically writes the link status information into global
  89  * structure rte_eth_dev.
  90  *
  91  * @param dev
  92  *   - Pointer to the structure rte_eth_dev to read from.
  93  *   - Pointer to the buffer to be saved with the link status.
  94  *
  95  * @return
  96  *   - On success, zero.
  97  *   - On failure, negative value.
  98  */
  99 static inline int
 100 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
 101                                    struct rte_eth_link *link)
 102 {
 103         struct rte_eth_link *dst = &dev->data->dev_link;
 104         struct rte_eth_link *src = link;
 105
 106         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 107                                 *(uint64_t *)src) == 0)
 108                 return -1;
 109
 110         return 0;
 111 }
 112
 113 static int
 114 dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 115 {
 116         int ret;
 117         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 118         struct fsl_mc_io *dpni = priv->hw;
 119
 120         PMD_INIT_FUNC_TRACE();
 121
 122         if (dpni == NULL) {
 123                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 124                 return -1;
 125         }
 126
 127         if (on)
 128                 ret = dpni_add_vlan_id(dpni, CMD_PRI_LOW,
 129                                        priv->token, vlan_id);
 130         else
 131                 ret = dpni_remove_vlan_id(dpni, CMD_PRI_LOW,
 132                                           priv->token, vlan_id);
 133
 134         if (ret < 0)
 135                 PMD_DRV_LOG(ERR, "ret = %d Unable to add/rem vlan %d hwid =%d",
 136                             ret, vlan_id, priv->hw_id);
 137
 138         return ret;
 139 }
 140
 141 static void
 142 dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 143 {
 144         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 145         struct fsl_mc_io *dpni = priv->hw;
 146         int ret;
 147
 148         PMD_INIT_FUNC_TRACE();
 149
 150         if (mask & ETH_VLAN_FILTER_MASK) {
 151                 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
 152                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 153                                                       priv->token, true);
 154                 else
 155                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 156                                                       priv->token, false);
 157                 if (ret < 0)
 158                         RTE_LOG(ERR, PMD, "Unable to set vlan filter = %d\n",
 159                                 ret);
 160         }
 161 }
 162
 163 static int
 164 dpaa2_fw_version_get(struct rte_eth_dev *dev,
 165                      char *fw_version,
 166                      size_t fw_size)
 167 {
 168         int ret;
 169         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 170         struct fsl_mc_io *dpni = priv->hw;
 171         struct mc_soc_version mc_plat_info = {0};
 172         struct mc_version mc_ver_info = {0};
 173
 174         PMD_INIT_FUNC_TRACE();
 175
 176         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
 177                 RTE_LOG(WARNING, PMD, "\tmc_get_soc_version failed\n");
 178
 179         if (mc_get_version(dpni, CMD_PRI_LOW, &mc_ver_info))
 180                 RTE_LOG(WARNING, PMD, "\tmc_get_version failed\n");
 181
 182         ret = snprintf(fw_version, fw_size,
 183                        "%x-%d.%d.%d",
 184                        mc_plat_info.svr,
 185                        mc_ver_info.major,
 186                        mc_ver_info.minor,
 187                        mc_ver_info.revision);
 188
 189         ret += 1; /* add the size of '\0' */
 190         if (fw_size < (uint32_t)ret)
 191                 return ret;
 192         else
 193                 return 0;
 194 }
 195
 196 static void
 197 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 198 {
 199         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 200
 201         PMD_INIT_FUNC_TRACE();
 202
 203         dev_info->if_index = priv->hw_id;
 204
 205         dev_info->max_mac_addrs = priv->max_mac_filters;
 206         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 207         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 208         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 209         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 210         dev_info->rx_offload_capa =
 211                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 212                 DEV_RX_OFFLOAD_UDP_CKSUM |
 213                 DEV_RX_OFFLOAD_TCP_CKSUM |
 214                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 215         dev_info->tx_offload_capa =
 216                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 217                 DEV_TX_OFFLOAD_UDP_CKSUM |
 218                 DEV_TX_OFFLOAD_TCP_CKSUM |
 219                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 220                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 221         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 222                         ETH_LINK_SPEED_2_5G |
 223                         ETH_LINK_SPEED_10G;
 224 }
 225
 226 static int
 227 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 228 {
 229         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 230         uint16_t dist_idx;
 231         uint32_t vq_id;
 232         struct dpaa2_queue *mc_q, *mcq;
 233         uint32_t tot_queues;
 234         int i;
 235         struct dpaa2_queue *dpaa2_q;
 236
 237         PMD_INIT_FUNC_TRACE();
 238
 239         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 240         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 241                           RTE_CACHE_LINE_SIZE);
 242         if (!mc_q) {
 243                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 244                 return -1;
 245         }
 246
 247         for (i = 0; i < priv->nb_rx_queues; i++) {
 248                 mc_q->dev = dev;
 249                 priv->rx_vq[i] = mc_q++;
 250                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 251                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 252                                         sizeof(struct queue_storage_info_t),
 253                                         RTE_CACHE_LINE_SIZE);
 254                 if (!dpaa2_q->q_storage)
 255                         goto fail;
 256
 257                 memset(dpaa2_q->q_storage, 0,
 258                        sizeof(struct queue_storage_info_t));
 259                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
 260                         goto fail;
 261         }
 262
 263         for (i = 0; i < priv->nb_tx_queues; i++) {
 264                 mc_q->dev = dev;
 265                 mc_q->flow_id = 0xffff;
 266                 priv->tx_vq[i] = mc_q++;
 267                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 268                 dpaa2_q->cscn = rte_malloc(NULL,
 269                                            sizeof(struct qbman_result), 16);
 270                 if (!dpaa2_q->cscn)
 271                         goto fail_tx;
 272         }
 273
 274         vq_id = 0;
 275         for (dist_idx = 0; dist_idx < priv->nb_rx_queues; dist_idx++) {
 276                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 277                 mcq->tc_index = DPAA2_DEF_TC;
 278                 mcq->flow_id = dist_idx;
 279                 vq_id++;
 280         }
 281
 282         return 0;
 283 fail_tx:
 284         i -= 1;
 285         while (i >= 0) {
 286                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 287                 rte_free(dpaa2_q->cscn);
 288                 priv->tx_vq[i--] = NULL;
 289         }
 290         i = priv->nb_rx_queues;
 291 fail:
 292         i -= 1;
 293         mc_q = priv->rx_vq[0];
 294         while (i >= 0) {
 295                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 296                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
 297                 rte_free(dpaa2_q->q_storage);
 298                 priv->rx_vq[i--] = NULL;
 299         }
 300         rte_free(mc_q);
 301         return -1;
 302 }
 303
 304 static int
 305 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 306 {
 307         struct rte_eth_dev_data *data = dev->data;
 308         struct rte_eth_conf *eth_conf = &data->dev_conf;
 309         int ret;
 310
 311         PMD_INIT_FUNC_TRACE();
 312
 313         if (eth_conf->rxmode.jumbo_frame == 1) {
 314                 if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
 315                         ret = dpaa2_dev_mtu_set(dev,
 316                                         eth_conf->rxmode.max_rx_pkt_len);
 317                         if (ret) {
 318                                 PMD_INIT_LOG(ERR,
 319                                              "unable to set mtu. check config\n");
 320                                 return ret;
 321                         }
 322                 } else {
 323                         return -1;
 324                 }
 325         }
 326
 327         /* Check for correct configuration */
 328         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 329             data->nb_rx_queues > 1) {
 330                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 331                             "but Rx queues more than 1\n");
 332                 return -1;
 333         }
 334
 335         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 336                 /* Return in case number of Rx queues is 1 */
 337                 if (data->nb_rx_queues == 1)
 338                         return 0;
 339                 ret = dpaa2_setup_flow_dist(dev,
 340                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 341                 if (ret) {
 342                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 343                                      "please check queue config\n");
 344                         return ret;
 345                 }
 346         }
 347         return 0;
 348 }
 349
 350 /* Function to setup RX flow information. It contains traffic class ID,
 351  * flow ID, destination configuration etc.
 352  */
 353 static int
 354 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 355                          uint16_t rx_queue_id,
 356                          uint16_t nb_rx_desc __rte_unused,
 357                          unsigned int socket_id __rte_unused,
 358                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 359                          struct rte_mempool *mb_pool)
 360 {
 361         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 362         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 363         struct mc_soc_version mc_plat_info = {0};
 364         struct dpaa2_queue *dpaa2_q;
 365         struct dpni_queue cfg;
 366         uint8_t options = 0;
 367         uint8_t flow_id;
 368         uint32_t bpid;
 369         int ret;
 370
 371         PMD_INIT_FUNC_TRACE();
 372
 373         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 374                      dev, rx_queue_id, mb_pool, rx_conf);
 375
 376         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 377                 bpid = mempool_to_bpid(mb_pool);
 378                 ret = dpaa2_attach_bp_list(priv,
 379                                            rte_dpaa2_bpid_info[bpid].bp_list);
 380                 if (ret)
 381                         return ret;
 382         }
 383         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 384         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 385
 386         /*Get the flow id from given VQ id*/
 387         flow_id = rx_queue_id % priv->nb_rx_queues;
 388         memset(&cfg, 0, sizeof(struct dpni_queue));
 389
 390         options = options | DPNI_QUEUE_OPT_USER_CTX;
 391         cfg.user_context = (uint64_t)(dpaa2_q);
 392
 393         /*if ls2088 or rev2 device, enable the stashing */
 394
 395         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
 396                 PMD_INIT_LOG(ERR, "\tmc_get_soc_version failed\n");
 397
 398         if ((mc_plat_info.svr & 0xffff0000) != SVR_LS2080A) {
 399                 options |= DPNI_QUEUE_OPT_FLC;
 400                 cfg.flc.stash_control = true;
 401                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 402                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 403                  * data stashing setting 01 01 00 (0x14) to enable
 404                  * 1 line data, 1 line annotation
 405                  */
 406                 cfg.flc.value |= 0x14;
 407         }
 408         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 409                              dpaa2_q->tc_index, flow_id, options, &cfg);
 410         if (ret) {
 411                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 412                 return -1;
 413         }
 414
 415         if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
 416                 struct dpni_taildrop taildrop;
 417
 418                 taildrop.enable = 1;
 419                 /*enabling per rx queue congestion control */
 420                 taildrop.threshold = CONG_THRESHOLD_RX_Q;
 421                 taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
 422                 PMD_INIT_LOG(DEBUG, "Enabling Early Drop on queue = %d",
 423                              rx_queue_id);
 424                 ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
 425                                         DPNI_CP_QUEUE, DPNI_QUEUE_RX,
 426                                         dpaa2_q->tc_index, flow_id, &taildrop);
 427                 if (ret) {
 428                         PMD_INIT_LOG(ERR, "Error in setting the rx flow"
 429                                      " err : = %d\n", ret);
 430                         return -1;
 431                 }
 432         }
 433
 434         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 435         return 0;
 436 }
 437
 438 static int
 439 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 440                          uint16_t tx_queue_id,
 441                          uint16_t nb_tx_desc __rte_unused,
 442                          unsigned int socket_id __rte_unused,
 443                          const struct rte_eth_txconf *tx_conf __rte_unused)
 444 {
 445         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 446         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 447                 priv->tx_vq[tx_queue_id];
 448         struct fsl_mc_io *dpni = priv->hw;
 449         struct dpni_queue tx_conf_cfg;
 450         struct dpni_queue tx_flow_cfg;
 451         uint8_t options = 0, flow_id;
 452         uint32_t tc_id;
 453         int ret;
 454
 455         PMD_INIT_FUNC_TRACE();
 456
 457         /* Return if queue already configured */
 458         if (dpaa2_q->flow_id != 0xffff)
 459                 return 0;
 460
 461         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 462         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 463
 464         tc_id = tx_queue_id;
 465         flow_id = 0;
 466
 467         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 468                              tc_id, flow_id, options, &tx_flow_cfg);
 469         if (ret) {
 470                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 471                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 472                              tc_id, flow_id, -ret);
 473                         return -1;
 474         }
 475
 476         dpaa2_q->flow_id = flow_id;
 477
 478         if (tx_queue_id == 0) {
 479                 /*Set tx-conf and error configuration*/
 480                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 481                                                     priv->token,
 482                                                     DPNI_CONF_DISABLE);
 483                 if (ret) {
 484                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 485                                      " ErrorCode = %x", ret);
 486                         return -1;
 487                 }
 488         }
 489         dpaa2_q->tc_index = tc_id;
 490
 491         if (!(priv->flags & DPAA2_TX_CGR_OFF)) {
 492                 struct dpni_congestion_notification_cfg cong_notif_cfg;
 493
 494                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_FRAMES;
 495                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 496                 /* Notify that the queue is not congested when the data in
 497                  * the queue is below this thershold.
 498                  */
 499                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 500                 cong_notif_cfg.message_ctx = 0;
 501                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 502                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 503                 cong_notif_cfg.notification_mode =
 504                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 505                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 506                                          DPNI_CONG_OPT_COHERENT_WRITE;
 507
 508                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 509                                                        priv->token,
 510                                                        DPNI_QUEUE_TX,
 511                                                        tc_id,
 512                                                        &cong_notif_cfg);
 513                 if (ret) {
 514                         PMD_INIT_LOG(ERR,
 515                            "Error in setting tx congestion notification: = %d",
 516                            -ret);
 517                         return -ret;
 518                 }
 519         }
 520         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 521         return 0;
 522 }
 523
 524 static void
 525 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 526 {
 527         PMD_INIT_FUNC_TRACE();
 528 }
 529
 530 static void
 531 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 532 {
 533         PMD_INIT_FUNC_TRACE();
 534 }
 535
 536 static const uint32_t *
 537 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 538 {
 539         static const uint32_t ptypes[] = {
 540                 /*todo -= add more types */
 541                 RTE_PTYPE_L2_ETHER,
 542                 RTE_PTYPE_L3_IPV4,
 543                 RTE_PTYPE_L3_IPV4_EXT,
 544                 RTE_PTYPE_L3_IPV6,
 545                 RTE_PTYPE_L3_IPV6_EXT,
 546                 RTE_PTYPE_L4_TCP,
 547                 RTE_PTYPE_L4_UDP,
 548                 RTE_PTYPE_L4_SCTP,
 549                 RTE_PTYPE_L4_ICMP,
 550                 RTE_PTYPE_UNKNOWN
 551         };
 552
 553         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 554                 return ptypes;
 555         return NULL;
 556 }
 557
 558 static int
 559 dpaa2_dev_start(struct rte_eth_dev *dev)
 560 {
 561         struct rte_eth_dev_data *data = dev->data;
 562         struct dpaa2_dev_priv *priv = data->dev_private;
 563         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 564         struct dpni_queue cfg;
 565         struct dpni_error_cfg   err_cfg;
 566         uint16_t qdid;
 567         struct dpni_queue_id qid;
 568         struct dpaa2_queue *dpaa2_q;
 569         int ret, i;
 570
 571         PMD_INIT_FUNC_TRACE();
 572
 573         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 574         if (ret) {
 575                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 576                              ret, priv->hw_id);
 577                 return ret;
 578         }
 579
 580         /* Power up the phy. Needed to make the link go Up */
 581         dpaa2_dev_set_link_up(dev);
 582
 583         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 584                             DPNI_QUEUE_TX, &qdid);
 585         if (ret) {
 586                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 587                 return ret;
 588         }
 589         priv->qdid = qdid;
 590
 591         for (i = 0; i < data->nb_rx_queues; i++) {
 592                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 593                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 594                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 595                                        dpaa2_q->flow_id, &cfg, &qid);
 596                 if (ret) {
 597                         PMD_INIT_LOG(ERR, "Error to get flow "
 598                                      "information Error code = %d\n", ret);
 599                         return ret;
 600                 }
 601                 dpaa2_q->fqid = qid.fqid;
 602         }
 603
 604         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 605                                DPNI_OFF_RX_L3_CSUM, true);
 606         if (ret) {
 607                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 608                 return ret;
 609         }
 610
 611         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 612                                DPNI_OFF_RX_L4_CSUM, true);
 613         if (ret) {
 614                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 615                 return ret;
 616         }
 617
 618         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 619                                DPNI_OFF_TX_L3_CSUM, true);
 620         if (ret) {
 621                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 622                 return ret;
 623         }
 624
 625         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 626                                DPNI_OFF_TX_L4_CSUM, true);
 627         if (ret) {
 628                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 629                 return ret;
 630         }
 631
 632         /*checksum errors, send them to normal path and set it in annotation */
 633         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 634
 635         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 636         err_cfg.set_frame_annotation = true;
 637
 638         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 639                                        priv->token, &err_cfg);
 640         if (ret) {
 641                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 642                              "code = %d\n", ret);
 643                 return ret;
 644         }
 645         /* VLAN Offload Settings */
 646         if (priv->max_vlan_filters)
 647                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
 648
 649         return 0;
 650 }
 651
 652 /**
 653  *  This routine disables all traffic on the adapter by issuing a
 654  *  global reset on the MAC.
 655  */
 656 static void
 657 dpaa2_dev_stop(struct rte_eth_dev *dev)
 658 {
 659         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 660         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 661         int ret;
 662         struct rte_eth_link link;
 663
 664         PMD_INIT_FUNC_TRACE();
 665
 666         dpaa2_dev_set_link_down(dev);
 667
 668         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 669         if (ret) {
 670                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 671                              ret, priv->hw_id);
 672                 return;
 673         }
 674
 675         /* clear the recorded link status */
 676         memset(&link, 0, sizeof(link));
 677         dpaa2_dev_atomic_write_link_status(dev, &link);
 678 }
 679
 680 static void
 681 dpaa2_dev_close(struct rte_eth_dev *dev)
 682 {
 683         struct rte_eth_dev_data *data = dev->data;
 684         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 685         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 686         int i, ret;
 687         struct rte_eth_link link;
 688         struct dpaa2_queue *dpaa2_q;
 689
 690         PMD_INIT_FUNC_TRACE();
 691
 692         for (i = 0; i < data->nb_tx_queues; i++) {
 693                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 694                 if (!dpaa2_q->cscn) {
 695                         rte_free(dpaa2_q->cscn);
 696                         dpaa2_q->cscn = NULL;
 697                 }
 698         }
 699
 700         /* Clean the device first */
 701         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 702         if (ret) {
 703                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 704                              " error code %d\n", ret);
 705                 return;
 706         }
 707
 708         memset(&link, 0, sizeof(link));
 709         dpaa2_dev_atomic_write_link_status(dev, &link);
 710 }
 711
 712 static void
 713 dpaa2_dev_promiscuous_enable(
 714                 struct rte_eth_dev *dev)
 715 {
 716         int ret;
 717         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 718         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 719
 720         PMD_INIT_FUNC_TRACE();
 721
 722         if (dpni == NULL) {
 723                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 724                 return;
 725         }
 726
 727         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 728         if (ret < 0)
 729                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d\n", ret);
 730
 731         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 732         if (ret < 0)
 733                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d\n", ret);
 734 }
 735
 736 static void
 737 dpaa2_dev_promiscuous_disable(
 738                 struct rte_eth_dev *dev)
 739 {
 740         int ret;
 741         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 742         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 743
 744         PMD_INIT_FUNC_TRACE();
 745
 746         if (dpni == NULL) {
 747                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 748                 return;
 749         }
 750
 751         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 752         if (ret < 0)
 753                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d\n", ret);
 754
 755         if (dev->data->all_multicast == 0) {
 756                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
 757                                                  priv->token, false);
 758                 if (ret < 0)
 759                         RTE_LOG(ERR, PMD,
 760                                 "Unable to disable M promisc mode %d\n",
 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\n");
 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\n", 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\n");
 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\n", 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\n");
 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\n");
 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,
 866                         "error: Adding the MAC ADDR failed: err = %d\n", 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\n");
 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,
 893                         "error: Removing the MAC ADDR failed: err = %d\n", 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\n");
 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,
 916                         "error: Setting the MAC ADDR failed %d\n", ret);
 917 }
 918 static
 919 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 920                          struct rte_eth_stats *stats)
 921 {
 922         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 923         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 924         int32_t  retcode;
 925         uint8_t page0 = 0, page1 = 1, page2 = 2;
 926         union dpni_statistics value;
 927
 928         memset(&value, 0, sizeof(union dpni_statistics));
 929
 930         PMD_INIT_FUNC_TRACE();
 931
 932         if (!dpni) {
 933                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 934                 return;
 935         }
 936
 937         if (!stats) {
 938                 RTE_LOG(ERR, PMD, "stats is NULL\n");
 939                 return;
 940         }
 941
 942         /*Get Counters from page_0*/
 943         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 944                                       page0, &value);
 945         if (retcode)
 946                 goto err;
 947
 948         stats->ipackets = value.page_0.ingress_all_frames;
 949         stats->ibytes = value.page_0.ingress_all_bytes;
 950
 951         /*Get Counters from page_1*/
 952         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 953                                       page1, &value);
 954         if (retcode)
 955                 goto err;
 956
 957         stats->opackets = value.page_1.egress_all_frames;
 958         stats->obytes = value.page_1.egress_all_bytes;
 959
 960         /*Get Counters from page_2*/
 961         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 962                                       page2, &value);
 963         if (retcode)
 964                 goto err;
 965
 966         /* Ingress drop frame count due to configured rules */
 967         stats->ierrors = value.page_2.ingress_filtered_frames;
 968         /* Ingress drop frame count due to error */
 969         stats->ierrors += value.page_2.ingress_discarded_frames;
 970
 971         stats->oerrors = value.page_2.egress_discarded_frames;
 972         stats->imissed = value.page_2.ingress_nobuffer_discards;
 973
 974         return;
 975
 976 err:
 977         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 978         return;
 979 };
 980
 981 static
 982 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 983 {
 984         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 985         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 986         int32_t  retcode;
 987
 988         PMD_INIT_FUNC_TRACE();
 989
 990         if (dpni == NULL) {
 991                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 992                 return;
 993         }
 994
 995         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 996         if (retcode)
 997                 goto error;
 998
 999         return;
1000
1001 error:
1002         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1003         return;
1004 };
1005
1006 /* return 0 means link status changed, -1 means not changed */
1007 static int
1008 dpaa2_dev_link_update(struct rte_eth_dev *dev,
1009                         int wait_to_complete __rte_unused)
1010 {
1011         int ret;
1012         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1013         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1014         struct rte_eth_link link, old;
1015         struct dpni_link_state state = {0};
1016
1017         PMD_INIT_FUNC_TRACE();
1018
1019         if (dpni == NULL) {
1020                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1021                 return 0;
1022         }
1023         memset(&old, 0, sizeof(old));
1024         dpaa2_dev_atomic_read_link_status(dev, &old);
1025
1026         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1027         if (ret < 0) {
1028                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1029                 return -1;
1030         }
1031
1032         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1033                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1034                 return -1;
1035         }
1036
1037         memset(&link, 0, sizeof(struct rte_eth_link));
1038         link.link_status = state.up;
1039         link.link_speed = state.rate;
1040
1041         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1042                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1043         else
1044                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1045
1046         dpaa2_dev_atomic_write_link_status(dev, &link);
1047
1048         if (link.link_status)
1049                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1050         else
1051                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
1052         return 0;
1053 }
1054
1055 /**
1056  * Toggle the DPNI to enable, if not already enabled.
1057  * This is not strictly PHY up/down - it is more of logical toggling.
1058  */
1059 static int
1060 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1061 {
1062         int ret = -EINVAL;
1063         struct dpaa2_dev_priv *priv;
1064         struct fsl_mc_io *dpni;
1065         int en = 0;
1066
1067         PMD_INIT_FUNC_TRACE();
1068
1069         priv = dev->data->dev_private;
1070         dpni = (struct fsl_mc_io *)priv->hw;
1071
1072         if (dpni == NULL) {
1073                 RTE_LOG(ERR, PMD, "DPNI is NULL\n");
1074                 return ret;
1075         }
1076
1077         /* Check if DPNI is currently enabled */
1078         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1079         if (ret) {
1080                 /* Unable to obtain dpni status; Not continuing */
1081                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1082                 return -EINVAL;
1083         }
1084
1085         /* Enable link if not already enabled */
1086         if (!en) {
1087                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1088                 if (ret) {
1089                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1090                         return -EINVAL;
1091                 }
1092         }
1093         /* changing tx burst function to start enqueues */
1094         dev->tx_pkt_burst = dpaa2_dev_tx;
1095         dev->data->dev_link.link_status = 1;
1096
1097         PMD_DRV_LOG(INFO, "Port %d Link UP successful", dev->data->port_id);
1098         return ret;
1099 }
1100
1101 /**
1102  * Toggle the DPNI to disable, if not already disabled.
1103  * This is not strictly PHY up/down - it is more of logical toggling.
1104  */
1105 static int
1106 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1107 {
1108         int ret = -EINVAL;
1109         struct dpaa2_dev_priv *priv;
1110         struct fsl_mc_io *dpni;
1111         int dpni_enabled = 0;
1112         int retries = 10;
1113
1114         PMD_INIT_FUNC_TRACE();
1115
1116         priv = dev->data->dev_private;
1117         dpni = (struct fsl_mc_io *)priv->hw;
1118
1119         if (dpni == NULL) {
1120                 RTE_LOG(ERR, PMD, "Device has not yet been configured\n");
1121                 return ret;
1122         }
1123
1124         /*changing  tx burst function to avoid any more enqueues */
1125         dev->tx_pkt_burst = dummy_dev_tx;
1126
1127         /* Loop while dpni_disable() attempts to drain the egress FQs
1128          * and confirm them back to us.
1129          */
1130         do {
1131                 ret = dpni_disable(dpni, 0, priv->token);
1132                 if (ret) {
1133                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1134                         return ret;
1135                 }
1136                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1137                 if (ret) {
1138                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1139                         return ret;
1140                 }
1141                 if (dpni_enabled)
1142                         /* Allow the MC some slack */
1143                         rte_delay_us(100 * 1000);
1144         } while (dpni_enabled && --retries);
1145
1146         if (!retries) {
1147                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1148                 /* todo- we may have to manually cleanup queues.
1149                  */
1150         } else {
1151                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1152                             dev->data->port_id);
1153         }
1154
1155         dev->data->dev_link.link_status = 0;
1156
1157         return ret;
1158 }
1159
1160 static int
1161 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1162 {
1163         int ret = -EINVAL;
1164         struct dpaa2_dev_priv *priv;
1165         struct fsl_mc_io *dpni;
1166         struct dpni_link_state state = {0};
1167
1168         PMD_INIT_FUNC_TRACE();
1169
1170         priv = dev->data->dev_private;
1171         dpni = (struct fsl_mc_io *)priv->hw;
1172
1173         if (dpni == NULL || fc_conf == NULL) {
1174                 RTE_LOG(ERR, PMD, "device not configured\n");
1175                 return ret;
1176         }
1177
1178         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1179         if (ret) {
1180                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1181                 return ret;
1182         }
1183
1184         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1185         if (state.options & DPNI_LINK_OPT_PAUSE) {
1186                 /* DPNI_LINK_OPT_PAUSE set
1187                  *  if ASYM_PAUSE not set,
1188                  *      RX Side flow control (handle received Pause frame)
1189                  *      TX side flow control (send Pause frame)
1190                  *  if ASYM_PAUSE set,
1191                  *      RX Side flow control (handle received Pause frame)
1192                  *      No TX side flow control (send Pause frame disabled)
1193                  */
1194                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1195                         fc_conf->mode = RTE_FC_FULL;
1196                 else
1197                         fc_conf->mode = RTE_FC_RX_PAUSE;
1198         } else {
1199                 /* DPNI_LINK_OPT_PAUSE not set
1200                  *  if ASYM_PAUSE set,
1201                  *      TX side flow control (send Pause frame)
1202                  *      No RX side flow control (No action on pause frame rx)
1203                  *  if ASYM_PAUSE not set,
1204                  *      Flow control disabled
1205                  */
1206                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1207                         fc_conf->mode = RTE_FC_TX_PAUSE;
1208                 else
1209                         fc_conf->mode = RTE_FC_NONE;
1210         }
1211
1212         return ret;
1213 }
1214
1215 static int
1216 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1217 {
1218         int ret = -EINVAL;
1219         struct dpaa2_dev_priv *priv;
1220         struct fsl_mc_io *dpni;
1221         struct dpni_link_state state = {0};
1222         struct dpni_link_cfg cfg = {0};
1223
1224         PMD_INIT_FUNC_TRACE();
1225
1226         priv = dev->data->dev_private;
1227         dpni = (struct fsl_mc_io *)priv->hw;
1228
1229         if (dpni == NULL) {
1230                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1231                 return ret;
1232         }
1233
1234         /* It is necessary to obtain the current state before setting fc_conf
1235          * as MC would return error in case rate, autoneg or duplex values are
1236          * different.
1237          */
1238         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1239         if (ret) {
1240                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)\n", ret);
1241                 return -1;
1242         }
1243
1244         /* Disable link before setting configuration */
1245         dpaa2_dev_set_link_down(dev);
1246
1247         /* Based on fc_conf, update cfg */
1248         cfg.rate = state.rate;
1249         cfg.options = state.options;
1250
1251         /* update cfg with fc_conf */
1252         switch (fc_conf->mode) {
1253         case RTE_FC_FULL:
1254                 /* Full flow control;
1255                  * OPT_PAUSE set, ASYM_PAUSE not set
1256                  */
1257                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1258                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1259                 break;
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)\n",
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,
1293                         "Unable to set Link configuration (err=%d)\n",
1294                         ret);
1295
1296         /* Enable link */
1297         dpaa2_dev_set_link_up(dev);
1298
1299         return ret;
1300 }
1301
1302 static struct eth_dev_ops dpaa2_ethdev_ops = {
1303         .dev_configure    = dpaa2_eth_dev_configure,
1304         .dev_start            = dpaa2_dev_start,
1305         .dev_stop             = dpaa2_dev_stop,
1306         .dev_close            = dpaa2_dev_close,
1307         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1308         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1309         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1310         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1311         .dev_set_link_up      = dpaa2_dev_set_link_up,
1312         .dev_set_link_down    = dpaa2_dev_set_link_down,
1313         .link_update       = dpaa2_dev_link_update,
1314         .stats_get             = dpaa2_dev_stats_get,
1315         .stats_reset       = dpaa2_dev_stats_reset,
1316         .fw_version_get    = dpaa2_fw_version_get,
1317         .dev_infos_get     = dpaa2_dev_info_get,
1318         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1319         .mtu_set           = dpaa2_dev_mtu_set,
1320         .vlan_filter_set      = dpaa2_vlan_filter_set,
1321         .vlan_offload_set     = dpaa2_vlan_offload_set,
1322         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1323         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1324         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1325         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1326         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1327         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1328         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1329         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1330         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1331 };
1332
1333 static int
1334 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1335 {
1336         struct rte_device *dev = eth_dev->device;
1337         struct rte_dpaa2_device *dpaa2_dev;
1338         struct fsl_mc_io *dpni_dev;
1339         struct dpni_attr attr;
1340         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1341         struct dpni_buffer_layout layout;
1342         int ret, hw_id;
1343
1344         PMD_INIT_FUNC_TRACE();
1345
1346         /* For secondary processes, the primary has done all the work */
1347         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1348                 return 0;
1349
1350         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1351
1352         hw_id = dpaa2_dev->object_id;
1353
1354         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1355         if (!dpni_dev) {
1356                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1357                 return -1;
1358         }
1359
1360         dpni_dev->regs = rte_mcp_ptr_list[0];
1361         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1362         if (ret) {
1363                 PMD_INIT_LOG(ERR,
1364                              "Failure in opening dpni@%d with err code %d\n",
1365                              hw_id, ret);
1366                 rte_free(dpni_dev);
1367                 return -1;
1368         }
1369
1370         /* Clean the device first */
1371         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1372         if (ret) {
1373                 PMD_INIT_LOG(ERR,
1374                              "Failure cleaning dpni@%d with err code %d\n",
1375                              hw_id, ret);
1376                 goto init_err;
1377         }
1378
1379         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1380         if (ret) {
1381                 PMD_INIT_LOG(ERR,
1382                              "Failure in get dpni@%d attribute, err code %d\n",
1383                              hw_id, ret);
1384                 goto init_err;
1385         }
1386
1387         priv->num_tc = attr.num_tcs;
1388
1389         /* Resetting the "num_rx_vqueues" to equal number of queues in first TC
1390          * as only one TC is supported on Rx Side. Once Multiple TCs will be
1391          * in use for Rx processing then this will be changed or removed.
1392          */
1393         priv->nb_rx_queues = attr.num_queues;
1394
1395         /* TODO:Using hard coded value for number of TX queues due to dependency
1396          * in MC.
1397          */
1398         priv->nb_tx_queues = 8;
1399
1400         PMD_INIT_LOG(DEBUG, "num TC - RX %d", priv->num_tc);
1401         PMD_INIT_LOG(DEBUG, "nb_tx_queues %d", priv->nb_tx_queues);
1402         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
1403
1404         priv->hw = dpni_dev;
1405         priv->hw_id = hw_id;
1406         priv->options = attr.options;
1407         priv->max_mac_filters = attr.mac_filter_entries;
1408         priv->max_vlan_filters = attr.vlan_filter_entries;
1409         priv->flags = 0;
1410
1411         /* Allocate memory for hardware structure for queues */
1412         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1413         if (ret) {
1414                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1415                 goto init_err;
1416         }
1417
1418         /* Allocate memory for storing MAC addresses */
1419         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1420                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1421         if (eth_dev->data->mac_addrs == NULL) {
1422                 PMD_INIT_LOG(ERR,
1423                    "Failed to allocate %d bytes needed to store MAC addresses",
1424                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1425                 ret = -ENOMEM;
1426                 goto init_err;
1427         }
1428
1429         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1430                                         priv->token,
1431                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1432         if (ret) {
1433                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1434                              ret);
1435                 goto init_err;
1436         }
1437
1438         /* ... tx buffer layout ... */
1439         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1440         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1441         layout.pass_frame_status = 1;
1442         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1443                                      DPNI_QUEUE_TX, &layout);
1444         if (ret) {
1445                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1446                              ret);
1447                 goto init_err;
1448         }
1449
1450         /* ... tx-conf and error buffer layout ... */
1451         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1452         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1453         layout.pass_frame_status = 1;
1454         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1455                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1456         if (ret) {
1457                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1458                              ret);
1459                 goto init_err;
1460         }
1461
1462         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1463
1464         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1465         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1466         rte_fslmc_vfio_dmamap();
1467
1468         return 0;
1469 init_err:
1470         dpaa2_dev_uninit(eth_dev);
1471         return ret;
1472 }
1473
1474 static int
1475 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1476 {
1477         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1478         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1479         int i, ret;
1480         struct dpaa2_queue *dpaa2_q;
1481
1482         PMD_INIT_FUNC_TRACE();
1483
1484         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1485                 return 0;
1486
1487         if (!dpni) {
1488                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1489                 return -1;
1490         }
1491
1492         dpaa2_dev_close(eth_dev);
1493
1494         if (priv->rx_vq[0]) {
1495                 /* cleaning up queue storage */
1496                 for (i = 0; i < priv->nb_rx_queues; i++) {
1497                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1498                         if (dpaa2_q->q_storage)
1499                                 rte_free(dpaa2_q->q_storage);
1500                 }
1501                 /*free the all queue memory */
1502                 rte_free(priv->rx_vq[0]);
1503                 priv->rx_vq[0] = NULL;
1504         }
1505
1506         /* free memory for storing MAC addresses */
1507         if (eth_dev->data->mac_addrs) {
1508                 rte_free(eth_dev->data->mac_addrs);
1509                 eth_dev->data->mac_addrs = NULL;
1510         }
1511
1512         /* Close the device at underlying layer*/
1513         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1514         if (ret) {
1515                 PMD_INIT_LOG(ERR,
1516                              "Failure closing dpni device with err code %d\n",
1517                              ret);
1518         }
1519
1520         /* Free the allocated memory for ethernet private data and dpni*/
1521         priv->hw = NULL;
1522         rte_free(dpni);
1523
1524         eth_dev->dev_ops = NULL;
1525         eth_dev->rx_pkt_burst = NULL;
1526         eth_dev->tx_pkt_burst = NULL;
1527
1528         return 0;
1529 }
1530
1531 static int
1532 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
1533                 struct rte_dpaa2_device *dpaa2_dev)
1534 {
1535         struct rte_eth_dev *eth_dev;
1536         int diag;
1537
1538         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1539                 eth_dev = rte_eth_dev_allocate(dpaa2_dev->device.name);
1540                 if (!eth_dev)
1541                         return -ENODEV;
1542                 eth_dev->data->dev_private = rte_zmalloc(
1543                                                 "ethdev private structure",
1544                                                 sizeof(struct dpaa2_dev_priv),
1545                                                 RTE_CACHE_LINE_SIZE);
1546                 if (eth_dev->data->dev_private == NULL) {
1547                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1548                                      " private port data\n");
1549                         rte_eth_dev_release_port(eth_dev);
1550                         return -ENOMEM;
1551                 }
1552         } else {
1553                 eth_dev = rte_eth_dev_attach_secondary(dpaa2_dev->device.name);
1554                 if (!eth_dev)
1555                         return -ENODEV;
1556         }
1557
1558         eth_dev->device = &dpaa2_dev->device;
1559         eth_dev->device->driver = &dpaa2_drv->driver;
1560
1561         dpaa2_dev->eth_dev = eth_dev;
1562         eth_dev->data->rx_mbuf_alloc_failed = 0;
1563
1564         /* Invoke PMD device initialization function */
1565         diag = dpaa2_dev_init(eth_dev);
1566         if (diag == 0)
1567                 return 0;
1568
1569         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1570                 rte_free(eth_dev->data->dev_private);
1571         rte_eth_dev_release_port(eth_dev);
1572         return diag;
1573 }
1574
1575 static int
1576 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1577 {
1578         struct rte_eth_dev *eth_dev;
1579
1580         eth_dev = dpaa2_dev->eth_dev;
1581         dpaa2_dev_uninit(eth_dev);
1582
1583         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1584                 rte_free(eth_dev->data->dev_private);
1585         rte_eth_dev_release_port(eth_dev);
1586
1587         return 0;
1588 }
1589
1590 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1591         .drv_type = DPAA2_MC_DPNI_DEVID,
1592         .probe = rte_dpaa2_probe,
1593         .remove = rte_dpaa2_remove,
1594 };
1595
1596 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);