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_link_update(struct rte_eth_dev *dev,
  58                                  int wait_to_complete);
  59 static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
  60 static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
  61 static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  62
  63 /**
  64  * Atomically reads the link status information from global
  65  * structure rte_eth_dev.
  66  *
  67  * @param dev
  68  *   - Pointer to the structure rte_eth_dev to read from.
  69  *   - Pointer to the buffer to be saved with the link status.
  70  *
  71  * @return
  72  *   - On success, zero.
  73  *   - On failure, negative value.
  74  */
  75 static inline int
  76 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  77                                   struct rte_eth_link *link)
  78 {
  79         struct rte_eth_link *dst = link;
  80         struct rte_eth_link *src = &dev->data->dev_link;
  81
  82         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  83                                 *(uint64_t *)src) == 0)
  84                 return -1;
  85
  86         return 0;
  87 }
  88
  89 /**
  90  * Atomically writes the link status information into global
  91  * structure rte_eth_dev.
  92  *
  93  * @param dev
  94  *   - Pointer to the structure rte_eth_dev to read from.
  95  *   - Pointer to the buffer to be saved with the link status.
  96  *
  97  * @return
  98  *   - On success, zero.
  99  *   - On failure, negative value.
 100  */
 101 static inline int
 102 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
 103                                    struct rte_eth_link *link)
 104 {
 105         struct rte_eth_link *dst = &dev->data->dev_link;
 106         struct rte_eth_link *src = link;
 107
 108         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 109                                 *(uint64_t *)src) == 0)
 110                 return -1;
 111
 112         return 0;
 113 }
 114
 115 static int
 116 dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 117 {
 118         int ret;
 119         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 120         struct fsl_mc_io *dpni = priv->hw;
 121
 122         PMD_INIT_FUNC_TRACE();
 123
 124         if (dpni == NULL) {
 125                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 126                 return -1;
 127         }
 128
 129         if (on)
 130                 ret = dpni_add_vlan_id(dpni, CMD_PRI_LOW,
 131                                        priv->token, vlan_id);
 132         else
 133                 ret = dpni_remove_vlan_id(dpni, CMD_PRI_LOW,
 134                                           priv->token, vlan_id);
 135
 136         if (ret < 0)
 137                 PMD_DRV_LOG(ERR, "ret = %d Unable to add/rem vlan %d hwid =%d",
 138                             ret, vlan_id, priv->hw_id);
 139
 140         return ret;
 141 }
 142
 143 static void
 144 dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 145 {
 146         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 147         struct fsl_mc_io *dpni = priv->hw;
 148         int ret;
 149
 150         PMD_INIT_FUNC_TRACE();
 151
 152         if (mask & ETH_VLAN_FILTER_MASK) {
 153                 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
 154                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 155                                                       priv->token, true);
 156                 else
 157                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 158                                                       priv->token, false);
 159                 if (ret < 0)
 160                         RTE_LOG(ERR, PMD, "Unable to set vlan filter = %d\n",
 161                                 ret);
 162         }
 163 }
 164
 165 static int
 166 dpaa2_fw_version_get(struct rte_eth_dev *dev,
 167                      char *fw_version,
 168                      size_t fw_size)
 169 {
 170         int ret;
 171         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 172         struct fsl_mc_io *dpni = priv->hw;
 173         struct mc_soc_version mc_plat_info = {0};
 174         struct mc_version mc_ver_info = {0};
 175
 176         PMD_INIT_FUNC_TRACE();
 177
 178         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
 179                 RTE_LOG(WARNING, PMD, "\tmc_get_soc_version failed\n");
 180
 181         if (mc_get_version(dpni, CMD_PRI_LOW, &mc_ver_info))
 182                 RTE_LOG(WARNING, PMD, "\tmc_get_version failed\n");
 183
 184         ret = snprintf(fw_version, fw_size,
 185                        "%x-%d.%d.%d",
 186                        mc_plat_info.svr,
 187                        mc_ver_info.major,
 188                        mc_ver_info.minor,
 189                        mc_ver_info.revision);
 190
 191         ret += 1; /* add the size of '\0' */
 192         if (fw_size < (uint32_t)ret)
 193                 return ret;
 194         else
 195                 return 0;
 196 }
 197
 198 static void
 199 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 200 {
 201         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 202
 203         PMD_INIT_FUNC_TRACE();
 204
 205         dev_info->if_index = priv->hw_id;
 206
 207         dev_info->max_mac_addrs = priv->max_mac_filters;
 208         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 209         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 210         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 211         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 212         dev_info->rx_offload_capa =
 213                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 214                 DEV_RX_OFFLOAD_UDP_CKSUM |
 215                 DEV_RX_OFFLOAD_TCP_CKSUM |
 216                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 217         dev_info->tx_offload_capa =
 218                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 219                 DEV_TX_OFFLOAD_UDP_CKSUM |
 220                 DEV_TX_OFFLOAD_TCP_CKSUM |
 221                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 222                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 223         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 224                         ETH_LINK_SPEED_2_5G |
 225                         ETH_LINK_SPEED_10G;
 226 }
 227
 228 static int
 229 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 230 {
 231         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 232         uint16_t dist_idx;
 233         uint32_t vq_id;
 234         struct dpaa2_queue *mc_q, *mcq;
 235         uint32_t tot_queues;
 236         int i;
 237         struct dpaa2_queue *dpaa2_q;
 238
 239         PMD_INIT_FUNC_TRACE();
 240
 241         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 242         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 243                           RTE_CACHE_LINE_SIZE);
 244         if (!mc_q) {
 245                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 246                 return -1;
 247         }
 248
 249         for (i = 0; i < priv->nb_rx_queues; i++) {
 250                 mc_q->dev = dev;
 251                 priv->rx_vq[i] = mc_q++;
 252                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 253                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 254                                         sizeof(struct queue_storage_info_t),
 255                                         RTE_CACHE_LINE_SIZE);
 256                 if (!dpaa2_q->q_storage)
 257                         goto fail;
 258
 259                 memset(dpaa2_q->q_storage, 0,
 260                        sizeof(struct queue_storage_info_t));
 261                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
 262                         goto fail;
 263         }
 264
 265         for (i = 0; i < priv->nb_tx_queues; i++) {
 266                 mc_q->dev = dev;
 267                 mc_q->flow_id = 0xffff;
 268                 priv->tx_vq[i] = mc_q++;
 269                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 270                 dpaa2_q->cscn = rte_malloc(NULL,
 271                                            sizeof(struct qbman_result), 16);
 272                 if (!dpaa2_q->cscn)
 273                         goto fail_tx;
 274         }
 275
 276         vq_id = 0;
 277         for (dist_idx = 0; dist_idx < priv->nb_rx_queues; 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
 350         /* update the current status */
 351         dpaa2_dev_link_update(dev, 0);
 352
 353         return 0;
 354 }
 355
 356 /* Function to setup RX flow information. It contains traffic class ID,
 357  * flow ID, destination configuration etc.
 358  */
 359 static int
 360 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 361                          uint16_t rx_queue_id,
 362                          uint16_t nb_rx_desc __rte_unused,
 363                          unsigned int socket_id __rte_unused,
 364                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 365                          struct rte_mempool *mb_pool)
 366 {
 367         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 368         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 369         struct mc_soc_version mc_plat_info = {0};
 370         struct dpaa2_queue *dpaa2_q;
 371         struct dpni_queue cfg;
 372         uint8_t options = 0;
 373         uint8_t flow_id;
 374         uint32_t bpid;
 375         int ret;
 376
 377         PMD_INIT_FUNC_TRACE();
 378
 379         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 380                      dev, rx_queue_id, mb_pool, rx_conf);
 381
 382         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 383                 bpid = mempool_to_bpid(mb_pool);
 384                 ret = dpaa2_attach_bp_list(priv,
 385                                            rte_dpaa2_bpid_info[bpid].bp_list);
 386                 if (ret)
 387                         return ret;
 388         }
 389         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 390         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 391
 392         /*Get the flow id from given VQ id*/
 393         flow_id = rx_queue_id % priv->nb_rx_queues;
 394         memset(&cfg, 0, sizeof(struct dpni_queue));
 395
 396         options = options | DPNI_QUEUE_OPT_USER_CTX;
 397         cfg.user_context = (uint64_t)(dpaa2_q);
 398
 399         /*if ls2088 or rev2 device, enable the stashing */
 400
 401         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
 402                 PMD_INIT_LOG(ERR, "\tmc_get_soc_version failed\n");
 403
 404         if ((mc_plat_info.svr & 0xffff0000) != SVR_LS2080A) {
 405                 options |= DPNI_QUEUE_OPT_FLC;
 406                 cfg.flc.stash_control = true;
 407                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 408                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 409                  * data stashing setting 01 01 00 (0x14) to enable
 410                  * 1 line data, 1 line annotation
 411                  */
 412                 cfg.flc.value |= 0x14;
 413         }
 414         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 415                              dpaa2_q->tc_index, flow_id, options, &cfg);
 416         if (ret) {
 417                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 418                 return -1;
 419         }
 420
 421         if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
 422                 struct dpni_taildrop taildrop;
 423
 424                 taildrop.enable = 1;
 425                 /*enabling per rx queue congestion control */
 426                 taildrop.threshold = CONG_THRESHOLD_RX_Q;
 427                 taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
 428                 taildrop.oal = CONG_RX_OAL;
 429                 PMD_INIT_LOG(DEBUG, "Enabling Early Drop on queue = %d",
 430                              rx_queue_id);
 431                 ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
 432                                         DPNI_CP_QUEUE, DPNI_QUEUE_RX,
 433                                         dpaa2_q->tc_index, flow_id, &taildrop);
 434                 if (ret) {
 435                         PMD_INIT_LOG(ERR, "Error in setting the rx flow"
 436                                      " err : = %d\n", ret);
 437                         return -1;
 438                 }
 439         }
 440
 441         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 442         return 0;
 443 }
 444
 445 static int
 446 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 447                          uint16_t tx_queue_id,
 448                          uint16_t nb_tx_desc __rte_unused,
 449                          unsigned int socket_id __rte_unused,
 450                          const struct rte_eth_txconf *tx_conf __rte_unused)
 451 {
 452         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 453         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 454                 priv->tx_vq[tx_queue_id];
 455         struct fsl_mc_io *dpni = priv->hw;
 456         struct dpni_queue tx_conf_cfg;
 457         struct dpni_queue tx_flow_cfg;
 458         uint8_t options = 0, flow_id;
 459         uint32_t tc_id;
 460         int ret;
 461
 462         PMD_INIT_FUNC_TRACE();
 463
 464         /* Return if queue already configured */
 465         if (dpaa2_q->flow_id != 0xffff)
 466                 return 0;
 467
 468         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 469         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 470
 471         tc_id = tx_queue_id;
 472         flow_id = 0;
 473
 474         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 475                              tc_id, flow_id, options, &tx_flow_cfg);
 476         if (ret) {
 477                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 478                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 479                              tc_id, flow_id, -ret);
 480                         return -1;
 481         }
 482
 483         dpaa2_q->flow_id = flow_id;
 484
 485         if (tx_queue_id == 0) {
 486                 /*Set tx-conf and error configuration*/
 487                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 488                                                     priv->token,
 489                                                     DPNI_CONF_DISABLE);
 490                 if (ret) {
 491                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 492                                      " ErrorCode = %x", ret);
 493                         return -1;
 494                 }
 495         }
 496         dpaa2_q->tc_index = tc_id;
 497
 498         if (!(priv->flags & DPAA2_TX_CGR_OFF)) {
 499                 struct dpni_congestion_notification_cfg cong_notif_cfg;
 500
 501                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_FRAMES;
 502                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 503                 /* Notify that the queue is not congested when the data in
 504                  * the queue is below this thershold.
 505                  */
 506                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 507                 cong_notif_cfg.message_ctx = 0;
 508                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 509                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 510                 cong_notif_cfg.notification_mode =
 511                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 512                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 513                                          DPNI_CONG_OPT_COHERENT_WRITE;
 514
 515                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 516                                                        priv->token,
 517                                                        DPNI_QUEUE_TX,
 518                                                        tc_id,
 519                                                        &cong_notif_cfg);
 520                 if (ret) {
 521                         PMD_INIT_LOG(ERR,
 522                            "Error in setting tx congestion notification: = %d",
 523                            -ret);
 524                         return -ret;
 525                 }
 526         }
 527         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 528         return 0;
 529 }
 530
 531 static void
 532 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 533 {
 534         PMD_INIT_FUNC_TRACE();
 535 }
 536
 537 static void
 538 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 539 {
 540         PMD_INIT_FUNC_TRACE();
 541 }
 542
 543 static const uint32_t *
 544 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 545 {
 546         static const uint32_t ptypes[] = {
 547                 /*todo -= add more types */
 548                 RTE_PTYPE_L2_ETHER,
 549                 RTE_PTYPE_L3_IPV4,
 550                 RTE_PTYPE_L3_IPV4_EXT,
 551                 RTE_PTYPE_L3_IPV6,
 552                 RTE_PTYPE_L3_IPV6_EXT,
 553                 RTE_PTYPE_L4_TCP,
 554                 RTE_PTYPE_L4_UDP,
 555                 RTE_PTYPE_L4_SCTP,
 556                 RTE_PTYPE_L4_ICMP,
 557                 RTE_PTYPE_UNKNOWN
 558         };
 559
 560         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 561                 return ptypes;
 562         return NULL;
 563 }
 564
 565 /**
 566  * Dpaa2 link Interrupt handler
 567  *
 568  * @param param
 569  *  The address of parameter (struct rte_eth_dev *) regsitered before.
 570  *
 571  * @return
 572  *  void
 573  */
 574 static void
 575 dpaa2_interrupt_handler(void *param)
 576 {
 577         struct rte_eth_dev *dev = param;
 578         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 579         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 580         int ret;
 581         int irq_index = DPNI_IRQ_INDEX;
 582         unsigned int status = 0, clear = 0;
 583
 584         PMD_INIT_FUNC_TRACE();
 585
 586         if (dpni == NULL) {
 587                 RTE_LOG(ERR, PMD, "dpni is NULL");
 588                 return;
 589         }
 590
 591         ret = dpni_get_irq_status(dpni, CMD_PRI_LOW, priv->token,
 592                                   irq_index, &status);
 593         if (unlikely(ret)) {
 594                 RTE_LOG(ERR, PMD, "Can't get irq status (err %d)", ret);
 595                 clear = 0xffffffff;
 596                 goto out;
 597         }
 598
 599         if (status & DPNI_IRQ_EVENT_LINK_CHANGED) {
 600                 clear = DPNI_IRQ_EVENT_LINK_CHANGED;
 601                 dpaa2_dev_link_update(dev, 0);
 602                 /* calling all the apps registered for link status event */
 603                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
 604                                               NULL, NULL);
 605         }
 606 out:
 607         ret = dpni_clear_irq_status(dpni, CMD_PRI_LOW, priv->token,
 608                                     irq_index, clear);
 609         if (unlikely(ret))
 610                 RTE_LOG(ERR, PMD, "Can't clear irq status (err %d)", ret);
 611 }
 612
 613 static int
 614 dpaa2_eth_setup_irqs(struct rte_eth_dev *dev, int enable)
 615 {
 616         int err = 0;
 617         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 618         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 619         int irq_index = DPNI_IRQ_INDEX;
 620         unsigned int mask = DPNI_IRQ_EVENT_LINK_CHANGED;
 621
 622         PMD_INIT_FUNC_TRACE();
 623
 624         err = dpni_set_irq_mask(dpni, CMD_PRI_LOW, priv->token,
 625                                 irq_index, mask);
 626         if (err < 0) {
 627                 PMD_INIT_LOG(ERR, "Error: dpni_set_irq_mask():%d (%s)", err,
 628                              strerror(-err));
 629                 return err;
 630         }
 631
 632         err = dpni_set_irq_enable(dpni, CMD_PRI_LOW, priv->token,
 633                                   irq_index, enable);
 634         if (err < 0)
 635                 PMD_INIT_LOG(ERR, "Error: dpni_set_irq_enable():%d (%s)", err,
 636                              strerror(-err));
 637
 638         return err;
 639 }
 640
 641 static int
 642 dpaa2_dev_start(struct rte_eth_dev *dev)
 643 {
 644         struct rte_device *rdev = dev->device;
 645         struct rte_dpaa2_device *dpaa2_dev;
 646         struct rte_eth_dev_data *data = dev->data;
 647         struct dpaa2_dev_priv *priv = data->dev_private;
 648         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 649         struct dpni_queue cfg;
 650         struct dpni_error_cfg   err_cfg;
 651         uint16_t qdid;
 652         struct dpni_queue_id qid;
 653         struct dpaa2_queue *dpaa2_q;
 654         int ret, i;
 655         struct rte_intr_handle *intr_handle;
 656
 657         dpaa2_dev = container_of(rdev, struct rte_dpaa2_device, device);
 658         intr_handle = &dpaa2_dev->intr_handle;
 659
 660         PMD_INIT_FUNC_TRACE();
 661
 662         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 663         if (ret) {
 664                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 665                              ret, priv->hw_id);
 666                 return ret;
 667         }
 668
 669         /* Power up the phy. Needed to make the link go UP */
 670         dpaa2_dev_set_link_up(dev);
 671
 672         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 673                             DPNI_QUEUE_TX, &qdid);
 674         if (ret) {
 675                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 676                 return ret;
 677         }
 678         priv->qdid = qdid;
 679
 680         for (i = 0; i < data->nb_rx_queues; i++) {
 681                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 682                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 683                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 684                                        dpaa2_q->flow_id, &cfg, &qid);
 685                 if (ret) {
 686                         PMD_INIT_LOG(ERR, "Error to get flow "
 687                                      "information Error code = %d\n", ret);
 688                         return ret;
 689                 }
 690                 dpaa2_q->fqid = qid.fqid;
 691         }
 692
 693         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 694                                DPNI_OFF_RX_L3_CSUM, true);
 695         if (ret) {
 696                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 697                 return ret;
 698         }
 699
 700         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 701                                DPNI_OFF_RX_L4_CSUM, true);
 702         if (ret) {
 703                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 704                 return ret;
 705         }
 706
 707         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 708                                DPNI_OFF_TX_L3_CSUM, true);
 709         if (ret) {
 710                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 711                 return ret;
 712         }
 713
 714         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 715                                DPNI_OFF_TX_L4_CSUM, true);
 716         if (ret) {
 717                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 718                 return ret;
 719         }
 720
 721         /*checksum errors, send them to normal path and set it in annotation */
 722         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 723
 724         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 725         err_cfg.set_frame_annotation = true;
 726
 727         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 728                                        priv->token, &err_cfg);
 729         if (ret) {
 730                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 731                              "code = %d\n", ret);
 732                 return ret;
 733         }
 734         /* VLAN Offload Settings */
 735         if (priv->max_vlan_filters)
 736                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
 737
 738         /* if the interrupts were configured on this devices*/
 739         if (intr_handle && (intr_handle->fd) &&
 740             (dev->data->dev_conf.intr_conf.lsc != 0)) {
 741                 /* Registering LSC interrupt handler */
 742                 rte_intr_callback_register(intr_handle,
 743                                            dpaa2_interrupt_handler,
 744                                            (void *)dev);
 745
 746                 /* enable vfio intr/eventfd mapping
 747                  * Interrupt index 0 is required, so we can not use
 748                  * rte_intr_enable.
 749                  */
 750                 rte_dpaa2_intr_enable(intr_handle, DPNI_IRQ_INDEX);
 751
 752                 /* enable dpni_irqs */
 753                 dpaa2_eth_setup_irqs(dev, 1);
 754         }
 755
 756         return 0;
 757 }
 758
 759 /**
 760  *  This routine disables all traffic on the adapter by issuing a
 761  *  global reset on the MAC.
 762  */
 763 static void
 764 dpaa2_dev_stop(struct rte_eth_dev *dev)
 765 {
 766         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 767         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 768         int ret;
 769         struct rte_eth_link link;
 770         struct rte_intr_handle *intr_handle = dev->intr_handle;
 771
 772         PMD_INIT_FUNC_TRACE();
 773
 774         /* reset interrupt callback  */
 775         if (intr_handle && (intr_handle->fd) &&
 776             (dev->data->dev_conf.intr_conf.lsc != 0)) {
 777                 /*disable dpni irqs */
 778                 dpaa2_eth_setup_irqs(dev, 0);
 779
 780                 /* disable vfio intr before callback unregister */
 781                 rte_dpaa2_intr_disable(intr_handle, DPNI_IRQ_INDEX);
 782
 783                 /* Unregistering LSC interrupt handler */
 784                 rte_intr_callback_unregister(intr_handle,
 785                                              dpaa2_interrupt_handler,
 786                                              (void *)dev);
 787         }
 788
 789         dpaa2_dev_set_link_down(dev);
 790
 791         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 792         if (ret) {
 793                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 794                              ret, priv->hw_id);
 795                 return;
 796         }
 797
 798         /* clear the recorded link status */
 799         memset(&link, 0, sizeof(link));
 800         dpaa2_dev_atomic_write_link_status(dev, &link);
 801 }
 802
 803 static void
 804 dpaa2_dev_close(struct rte_eth_dev *dev)
 805 {
 806         struct rte_eth_dev_data *data = dev->data;
 807         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 808         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 809         int i, ret;
 810         struct rte_eth_link link;
 811         struct dpaa2_queue *dpaa2_q;
 812
 813         PMD_INIT_FUNC_TRACE();
 814
 815         for (i = 0; i < data->nb_tx_queues; i++) {
 816                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 817                 if (!dpaa2_q->cscn) {
 818                         rte_free(dpaa2_q->cscn);
 819                         dpaa2_q->cscn = NULL;
 820                 }
 821         }
 822
 823         /* Clean the device first */
 824         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 825         if (ret) {
 826                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 827                              " error code %d\n", ret);
 828                 return;
 829         }
 830
 831         memset(&link, 0, sizeof(link));
 832         dpaa2_dev_atomic_write_link_status(dev, &link);
 833 }
 834
 835 static void
 836 dpaa2_dev_promiscuous_enable(
 837                 struct rte_eth_dev *dev)
 838 {
 839         int ret;
 840         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 841         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 842
 843         PMD_INIT_FUNC_TRACE();
 844
 845         if (dpni == NULL) {
 846                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 847                 return;
 848         }
 849
 850         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 851         if (ret < 0)
 852                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d\n", ret);
 853
 854         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 855         if (ret < 0)
 856                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d\n", ret);
 857 }
 858
 859 static void
 860 dpaa2_dev_promiscuous_disable(
 861                 struct rte_eth_dev *dev)
 862 {
 863         int ret;
 864         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 865         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 866
 867         PMD_INIT_FUNC_TRACE();
 868
 869         if (dpni == NULL) {
 870                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 871                 return;
 872         }
 873
 874         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 875         if (ret < 0)
 876                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d\n", ret);
 877
 878         if (dev->data->all_multicast == 0) {
 879                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
 880                                                  priv->token, false);
 881                 if (ret < 0)
 882                         RTE_LOG(ERR, PMD,
 883                                 "Unable to disable M promisc mode %d\n",
 884                                 ret);
 885         }
 886 }
 887
 888 static void
 889 dpaa2_dev_allmulticast_enable(
 890                 struct rte_eth_dev *dev)
 891 {
 892         int ret;
 893         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 894         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 895
 896         PMD_INIT_FUNC_TRACE();
 897
 898         if (dpni == NULL) {
 899                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 900                 return;
 901         }
 902
 903         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 904         if (ret < 0)
 905                 RTE_LOG(ERR, PMD, "Unable to enable multicast mode %d\n", ret);
 906 }
 907
 908 static void
 909 dpaa2_dev_allmulticast_disable(struct rte_eth_dev *dev)
 910 {
 911         int ret;
 912         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 913         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 914
 915         PMD_INIT_FUNC_TRACE();
 916
 917         if (dpni == NULL) {
 918                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 919                 return;
 920         }
 921
 922         /* must remain on for all promiscuous */
 923         if (dev->data->promiscuous == 1)
 924                 return;
 925
 926         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 927         if (ret < 0)
 928                 RTE_LOG(ERR, PMD, "Unable to disable multicast mode %d\n", ret);
 929 }
 930
 931 static int
 932 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 933 {
 934         int ret;
 935         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 936         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 937         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 938
 939         PMD_INIT_FUNC_TRACE();
 940
 941         if (dpni == NULL) {
 942                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 943                 return -EINVAL;
 944         }
 945
 946         /* check that mtu is within the allowed range */
 947         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 948                 return -EINVAL;
 949
 950         if (frame_size > ETHER_MAX_LEN)
 951                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
 952         else
 953                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
 954
 955         /* Set the Max Rx frame length as 'mtu' +
 956          * Maximum Ethernet header length
 957          */
 958         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 959                                         mtu + ETH_VLAN_HLEN);
 960         if (ret) {
 961                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 962                 return -1;
 963         }
 964         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 965         return 0;
 966 }
 967
 968 static int
 969 dpaa2_dev_add_mac_addr(struct rte_eth_dev *dev,
 970                        struct ether_addr *addr,
 971                        __rte_unused uint32_t index,
 972                        __rte_unused uint32_t pool)
 973 {
 974         int ret;
 975         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 976         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 977
 978         PMD_INIT_FUNC_TRACE();
 979
 980         if (dpni == NULL) {
 981                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
 982                 return -1;
 983         }
 984
 985         ret = dpni_add_mac_addr(dpni, CMD_PRI_LOW,
 986                                 priv->token, addr->addr_bytes);
 987         if (ret)
 988                 RTE_LOG(ERR, PMD,
 989                         "error: Adding the MAC ADDR failed: err = %d\n", ret);
 990         return 0;
 991 }
 992
 993 static void
 994 dpaa2_dev_remove_mac_addr(struct rte_eth_dev *dev,
 995                           uint32_t index)
 996 {
 997         int ret;
 998         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 999         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1000         struct rte_eth_dev_data *data = dev->data;
1001         struct ether_addr *macaddr;
1002
1003         PMD_INIT_FUNC_TRACE();
1004
1005         macaddr = &data->mac_addrs[index];
1006
1007         if (dpni == NULL) {
1008                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1009                 return;
1010         }
1011
1012         ret = dpni_remove_mac_addr(dpni, CMD_PRI_LOW,
1013                                    priv->token, macaddr->addr_bytes);
1014         if (ret)
1015                 RTE_LOG(ERR, PMD,
1016                         "error: Removing the MAC ADDR failed: err = %d\n", ret);
1017 }
1018
1019 static void
1020 dpaa2_dev_set_mac_addr(struct rte_eth_dev *dev,
1021                        struct ether_addr *addr)
1022 {
1023         int ret;
1024         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1025         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1026
1027         PMD_INIT_FUNC_TRACE();
1028
1029         if (dpni == NULL) {
1030                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1031                 return;
1032         }
1033
1034         ret = dpni_set_primary_mac_addr(dpni, CMD_PRI_LOW,
1035                                         priv->token, addr->addr_bytes);
1036
1037         if (ret)
1038                 RTE_LOG(ERR, PMD,
1039                         "error: Setting the MAC ADDR failed %d\n", ret);
1040 }
1041 static
1042 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
1043                          struct rte_eth_stats *stats)
1044 {
1045         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1046         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1047         int32_t  retcode;
1048         uint8_t page0 = 0, page1 = 1, page2 = 2;
1049         union dpni_statistics value;
1050
1051         memset(&value, 0, sizeof(union dpni_statistics));
1052
1053         PMD_INIT_FUNC_TRACE();
1054
1055         if (!dpni) {
1056                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1057                 return;
1058         }
1059
1060         if (!stats) {
1061                 RTE_LOG(ERR, PMD, "stats is NULL\n");
1062                 return;
1063         }
1064
1065         /*Get Counters from page_0*/
1066         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1067                                       page0, 0, &value);
1068         if (retcode)
1069                 goto err;
1070
1071         stats->ipackets = value.page_0.ingress_all_frames;
1072         stats->ibytes = value.page_0.ingress_all_bytes;
1073
1074         /*Get Counters from page_1*/
1075         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1076                                       page1, 0, &value);
1077         if (retcode)
1078                 goto err;
1079
1080         stats->opackets = value.page_1.egress_all_frames;
1081         stats->obytes = value.page_1.egress_all_bytes;
1082
1083         /*Get Counters from page_2*/
1084         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1085                                       page2, 0, &value);
1086         if (retcode)
1087                 goto err;
1088
1089         /* Ingress drop frame count due to configured rules */
1090         stats->ierrors = value.page_2.ingress_filtered_frames;
1091         /* Ingress drop frame count due to error */
1092         stats->ierrors += value.page_2.ingress_discarded_frames;
1093
1094         stats->oerrors = value.page_2.egress_discarded_frames;
1095         stats->imissed = value.page_2.ingress_nobuffer_discards;
1096
1097         return;
1098
1099 err:
1100         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1101         return;
1102 };
1103
1104 static
1105 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
1106 {
1107         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1108         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1109         int32_t  retcode;
1110
1111         PMD_INIT_FUNC_TRACE();
1112
1113         if (dpni == NULL) {
1114                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1115                 return;
1116         }
1117
1118         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
1119         if (retcode)
1120                 goto error;
1121
1122         return;
1123
1124 error:
1125         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1126         return;
1127 };
1128
1129 /* return 0 means link status changed, -1 means not changed */
1130 static int
1131 dpaa2_dev_link_update(struct rte_eth_dev *dev,
1132                         int wait_to_complete __rte_unused)
1133 {
1134         int ret;
1135         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1136         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1137         struct rte_eth_link link, old;
1138         struct dpni_link_state state = {0};
1139
1140         if (dpni == NULL) {
1141                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1142                 return 0;
1143         }
1144         memset(&old, 0, sizeof(old));
1145         dpaa2_dev_atomic_read_link_status(dev, &old);
1146
1147         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1148         if (ret < 0) {
1149                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1150                 return -1;
1151         }
1152
1153         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1154                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1155                 return -1;
1156         }
1157
1158         memset(&link, 0, sizeof(struct rte_eth_link));
1159         link.link_status = state.up;
1160         link.link_speed = state.rate;
1161
1162         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1163                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1164         else
1165                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1166
1167         dpaa2_dev_atomic_write_link_status(dev, &link);
1168
1169         if (link.link_status)
1170                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1171         else
1172                 PMD_DRV_LOG(INFO, "Port %d Link is Down", dev->data->port_id);
1173         return 0;
1174 }
1175
1176 /**
1177  * Toggle the DPNI to enable, if not already enabled.
1178  * This is not strictly PHY up/down - it is more of logical toggling.
1179  */
1180 static int
1181 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1182 {
1183         int ret = -EINVAL;
1184         struct dpaa2_dev_priv *priv;
1185         struct fsl_mc_io *dpni;
1186         int en = 0;
1187         struct dpni_link_state state = {0};
1188
1189         priv = dev->data->dev_private;
1190         dpni = (struct fsl_mc_io *)priv->hw;
1191
1192         if (dpni == NULL) {
1193                 RTE_LOG(ERR, PMD, "DPNI is NULL\n");
1194                 return ret;
1195         }
1196
1197         /* Check if DPNI is currently enabled */
1198         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1199         if (ret) {
1200                 /* Unable to obtain dpni status; Not continuing */
1201                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1202                 return -EINVAL;
1203         }
1204
1205         /* Enable link if not already enabled */
1206         if (!en) {
1207                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1208                 if (ret) {
1209                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1210                         return -EINVAL;
1211                 }
1212         }
1213         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1214         if (ret < 0) {
1215                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1216                 return -1;
1217         }
1218
1219         /* changing tx burst function to start enqueues */
1220         dev->tx_pkt_burst = dpaa2_dev_tx;
1221         dev->data->dev_link.link_status = state.up;
1222
1223         if (state.up)
1224                 PMD_DRV_LOG(INFO, "Port %d Link is set as UP",
1225                             dev->data->port_id);
1226         else
1227                 PMD_DRV_LOG(INFO, "Port %d Link is DOWN", dev->data->port_id);
1228         return ret;
1229 }
1230
1231 /**
1232  * Toggle the DPNI to disable, if not already disabled.
1233  * This is not strictly PHY up/down - it is more of logical toggling.
1234  */
1235 static int
1236 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1237 {
1238         int ret = -EINVAL;
1239         struct dpaa2_dev_priv *priv;
1240         struct fsl_mc_io *dpni;
1241         int dpni_enabled = 0;
1242         int retries = 10;
1243
1244         PMD_INIT_FUNC_TRACE();
1245
1246         priv = dev->data->dev_private;
1247         dpni = (struct fsl_mc_io *)priv->hw;
1248
1249         if (dpni == NULL) {
1250                 RTE_LOG(ERR, PMD, "Device has not yet been configured\n");
1251                 return ret;
1252         }
1253
1254         /*changing  tx burst function to avoid any more enqueues */
1255         dev->tx_pkt_burst = dummy_dev_tx;
1256
1257         /* Loop while dpni_disable() attempts to drain the egress FQs
1258          * and confirm them back to us.
1259          */
1260         do {
1261                 ret = dpni_disable(dpni, 0, priv->token);
1262                 if (ret) {
1263                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1264                         return ret;
1265                 }
1266                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1267                 if (ret) {
1268                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1269                         return ret;
1270                 }
1271                 if (dpni_enabled)
1272                         /* Allow the MC some slack */
1273                         rte_delay_us(100 * 1000);
1274         } while (dpni_enabled && --retries);
1275
1276         if (!retries) {
1277                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1278                 /* todo- we may have to manually cleanup queues.
1279                  */
1280         } else {
1281                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1282                             dev->data->port_id);
1283         }
1284
1285         dev->data->dev_link.link_status = 0;
1286
1287         return ret;
1288 }
1289
1290 static int
1291 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1292 {
1293         int ret = -EINVAL;
1294         struct dpaa2_dev_priv *priv;
1295         struct fsl_mc_io *dpni;
1296         struct dpni_link_state state = {0};
1297
1298         PMD_INIT_FUNC_TRACE();
1299
1300         priv = dev->data->dev_private;
1301         dpni = (struct fsl_mc_io *)priv->hw;
1302
1303         if (dpni == NULL || fc_conf == NULL) {
1304                 RTE_LOG(ERR, PMD, "device not configured\n");
1305                 return ret;
1306         }
1307
1308         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1309         if (ret) {
1310                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1311                 return ret;
1312         }
1313
1314         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1315         if (state.options & DPNI_LINK_OPT_PAUSE) {
1316                 /* DPNI_LINK_OPT_PAUSE set
1317                  *  if ASYM_PAUSE not set,
1318                  *      RX Side flow control (handle received Pause frame)
1319                  *      TX side flow control (send Pause frame)
1320                  *  if ASYM_PAUSE set,
1321                  *      RX Side flow control (handle received Pause frame)
1322                  *      No TX side flow control (send Pause frame disabled)
1323                  */
1324                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1325                         fc_conf->mode = RTE_FC_FULL;
1326                 else
1327                         fc_conf->mode = RTE_FC_RX_PAUSE;
1328         } else {
1329                 /* DPNI_LINK_OPT_PAUSE not set
1330                  *  if ASYM_PAUSE set,
1331                  *      TX side flow control (send Pause frame)
1332                  *      No RX side flow control (No action on pause frame rx)
1333                  *  if ASYM_PAUSE not set,
1334                  *      Flow control disabled
1335                  */
1336                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1337                         fc_conf->mode = RTE_FC_TX_PAUSE;
1338                 else
1339                         fc_conf->mode = RTE_FC_NONE;
1340         }
1341
1342         return ret;
1343 }
1344
1345 static int
1346 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1347 {
1348         int ret = -EINVAL;
1349         struct dpaa2_dev_priv *priv;
1350         struct fsl_mc_io *dpni;
1351         struct dpni_link_state state = {0};
1352         struct dpni_link_cfg cfg = {0};
1353
1354         PMD_INIT_FUNC_TRACE();
1355
1356         priv = dev->data->dev_private;
1357         dpni = (struct fsl_mc_io *)priv->hw;
1358
1359         if (dpni == NULL) {
1360                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1361                 return ret;
1362         }
1363
1364         /* It is necessary to obtain the current state before setting fc_conf
1365          * as MC would return error in case rate, autoneg or duplex values are
1366          * different.
1367          */
1368         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1369         if (ret) {
1370                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)\n", ret);
1371                 return -1;
1372         }
1373
1374         /* Disable link before setting configuration */
1375         dpaa2_dev_set_link_down(dev);
1376
1377         /* Based on fc_conf, update cfg */
1378         cfg.rate = state.rate;
1379         cfg.options = state.options;
1380
1381         /* update cfg with fc_conf */
1382         switch (fc_conf->mode) {
1383         case RTE_FC_FULL:
1384                 /* Full flow control;
1385                  * OPT_PAUSE set, ASYM_PAUSE not set
1386                  */
1387                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1388                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1389                 break;
1390         case RTE_FC_TX_PAUSE:
1391                 /* Enable RX flow control
1392                  * OPT_PAUSE not set;
1393                  * ASYM_PAUSE set;
1394                  */
1395                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1396                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1397                 break;
1398         case RTE_FC_RX_PAUSE:
1399                 /* Enable TX Flow control
1400                  * OPT_PAUSE set
1401                  * ASYM_PAUSE set
1402                  */
1403                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1404                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1405                 break;
1406         case RTE_FC_NONE:
1407                 /* Disable Flow control
1408                  * OPT_PAUSE not set
1409                  * ASYM_PAUSE not set
1410                  */
1411                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1412                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1413                 break;
1414         default:
1415                 RTE_LOG(ERR, PMD, "Incorrect Flow control flag (%d)\n",
1416                         fc_conf->mode);
1417                 return -1;
1418         }
1419
1420         ret = dpni_set_link_cfg(dpni, CMD_PRI_LOW, priv->token, &cfg);
1421         if (ret)
1422                 RTE_LOG(ERR, PMD,
1423                         "Unable to set Link configuration (err=%d)\n",
1424                         ret);
1425
1426         /* Enable link */
1427         dpaa2_dev_set_link_up(dev);
1428
1429         return ret;
1430 }
1431
1432 static struct eth_dev_ops dpaa2_ethdev_ops = {
1433         .dev_configure    = dpaa2_eth_dev_configure,
1434         .dev_start            = dpaa2_dev_start,
1435         .dev_stop             = dpaa2_dev_stop,
1436         .dev_close            = dpaa2_dev_close,
1437         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1438         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1439         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1440         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1441         .dev_set_link_up      = dpaa2_dev_set_link_up,
1442         .dev_set_link_down    = dpaa2_dev_set_link_down,
1443         .link_update       = dpaa2_dev_link_update,
1444         .stats_get             = dpaa2_dev_stats_get,
1445         .stats_reset       = dpaa2_dev_stats_reset,
1446         .fw_version_get    = dpaa2_fw_version_get,
1447         .dev_infos_get     = dpaa2_dev_info_get,
1448         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1449         .mtu_set           = dpaa2_dev_mtu_set,
1450         .vlan_filter_set      = dpaa2_vlan_filter_set,
1451         .vlan_offload_set     = dpaa2_vlan_offload_set,
1452         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1453         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1454         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1455         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1456         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1457         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1458         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1459         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1460         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1461 };
1462
1463 static int
1464 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1465 {
1466         struct rte_device *dev = eth_dev->device;
1467         struct rte_dpaa2_device *dpaa2_dev;
1468         struct fsl_mc_io *dpni_dev;
1469         struct dpni_attr attr;
1470         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1471         struct dpni_buffer_layout layout;
1472         int ret, hw_id;
1473
1474         PMD_INIT_FUNC_TRACE();
1475
1476         /* For secondary processes, the primary has done all the work */
1477         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1478                 return 0;
1479
1480         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1481
1482         hw_id = dpaa2_dev->object_id;
1483
1484         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1485         if (!dpni_dev) {
1486                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1487                 return -1;
1488         }
1489
1490         dpni_dev->regs = rte_mcp_ptr_list[0];
1491         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1492         if (ret) {
1493                 PMD_INIT_LOG(ERR,
1494                              "Failure in opening dpni@%d with err code %d\n",
1495                              hw_id, ret);
1496                 rte_free(dpni_dev);
1497                 return -1;
1498         }
1499
1500         /* Clean the device first */
1501         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1502         if (ret) {
1503                 PMD_INIT_LOG(ERR,
1504                              "Failure cleaning dpni@%d with err code %d\n",
1505                              hw_id, ret);
1506                 goto init_err;
1507         }
1508
1509         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1510         if (ret) {
1511                 PMD_INIT_LOG(ERR,
1512                              "Failure in get dpni@%d attribute, err code %d\n",
1513                              hw_id, ret);
1514                 goto init_err;
1515         }
1516
1517         priv->num_rx_tc = attr.num_rx_tcs;
1518
1519         /* Resetting the "num_rx_queues" to equal number of queues in first TC
1520          * as only one TC is supported on Rx Side. Once Multiple TCs will be
1521          * in use for Rx processing then this will be changed or removed.
1522          */
1523         priv->nb_rx_queues = attr.num_queues;
1524
1525         /* Using number of TX queues as number of TX TCs */
1526         priv->nb_tx_queues = attr.num_tx_tcs;
1527
1528         PMD_DRV_LOG(DEBUG, "RX-TC= %d, nb_rx_queues= %d, nb_tx_queues=%d",
1529                     priv->num_tc, priv->nb_rx_queues, priv->nb_tx_queues);
1530
1531         priv->hw = dpni_dev;
1532         priv->hw_id = hw_id;
1533         priv->options = attr.options;
1534         priv->max_mac_filters = attr.mac_filter_entries;
1535         priv->max_vlan_filters = attr.vlan_filter_entries;
1536         priv->flags = 0;
1537
1538         /* Allocate memory for hardware structure for queues */
1539         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1540         if (ret) {
1541                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1542                 goto init_err;
1543         }
1544
1545         /* Allocate memory for storing MAC addresses */
1546         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1547                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1548         if (eth_dev->data->mac_addrs == NULL) {
1549                 PMD_INIT_LOG(ERR,
1550                    "Failed to allocate %d bytes needed to store MAC addresses",
1551                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1552                 ret = -ENOMEM;
1553                 goto init_err;
1554         }
1555
1556         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1557                                         priv->token,
1558                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1559         if (ret) {
1560                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1561                              ret);
1562                 goto init_err;
1563         }
1564
1565         /* ... tx buffer layout ... */
1566         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1567         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1568         layout.pass_frame_status = 1;
1569         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1570                                      DPNI_QUEUE_TX, &layout);
1571         if (ret) {
1572                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1573                              ret);
1574                 goto init_err;
1575         }
1576
1577         /* ... tx-conf and error buffer layout ... */
1578         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1579         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1580         layout.pass_frame_status = 1;
1581         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1582                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1583         if (ret) {
1584                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1585                              ret);
1586                 goto init_err;
1587         }
1588
1589         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1590         eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
1591
1592         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1593         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1594         rte_fslmc_vfio_dmamap();
1595
1596         return 0;
1597 init_err:
1598         dpaa2_dev_uninit(eth_dev);
1599         return ret;
1600 }
1601
1602 static int
1603 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1604 {
1605         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1606         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1607         int i, ret;
1608         struct dpaa2_queue *dpaa2_q;
1609
1610         PMD_INIT_FUNC_TRACE();
1611
1612         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1613                 return 0;
1614
1615         if (!dpni) {
1616                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1617                 return -1;
1618         }
1619
1620         dpaa2_dev_close(eth_dev);
1621
1622         if (priv->rx_vq[0]) {
1623                 /* cleaning up queue storage */
1624                 for (i = 0; i < priv->nb_rx_queues; i++) {
1625                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1626                         if (dpaa2_q->q_storage)
1627                                 rte_free(dpaa2_q->q_storage);
1628                 }
1629                 /*free the all queue memory */
1630                 rte_free(priv->rx_vq[0]);
1631                 priv->rx_vq[0] = NULL;
1632         }
1633
1634         /* free memory for storing MAC addresses */
1635         if (eth_dev->data->mac_addrs) {
1636                 rte_free(eth_dev->data->mac_addrs);
1637                 eth_dev->data->mac_addrs = NULL;
1638         }
1639
1640         /* Close the device at underlying layer*/
1641         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1642         if (ret) {
1643                 PMD_INIT_LOG(ERR,
1644                              "Failure closing dpni device with err code %d\n",
1645                              ret);
1646         }
1647
1648         /* Free the allocated memory for ethernet private data and dpni*/
1649         priv->hw = NULL;
1650         rte_free(dpni);
1651
1652         eth_dev->dev_ops = NULL;
1653         eth_dev->rx_pkt_burst = NULL;
1654         eth_dev->tx_pkt_burst = NULL;
1655
1656         return 0;
1657 }
1658
1659 static int
1660 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
1661                 struct rte_dpaa2_device *dpaa2_dev)
1662 {
1663         struct rte_eth_dev *eth_dev;
1664         int diag;
1665
1666         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1667                 eth_dev = rte_eth_dev_allocate(dpaa2_dev->device.name);
1668                 if (!eth_dev)
1669                         return -ENODEV;
1670                 eth_dev->data->dev_private = rte_zmalloc(
1671                                                 "ethdev private structure",
1672                                                 sizeof(struct dpaa2_dev_priv),
1673                                                 RTE_CACHE_LINE_SIZE);
1674                 if (eth_dev->data->dev_private == NULL) {
1675                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1676                                      " private port data\n");
1677                         rte_eth_dev_release_port(eth_dev);
1678                         return -ENOMEM;
1679                 }
1680         } else {
1681                 eth_dev = rte_eth_dev_attach_secondary(dpaa2_dev->device.name);
1682                 if (!eth_dev)
1683                         return -ENODEV;
1684         }
1685
1686         eth_dev->device = &dpaa2_dev->device;
1687         eth_dev->device->driver = &dpaa2_drv->driver;
1688
1689         dpaa2_dev->eth_dev = eth_dev;
1690         eth_dev->data->rx_mbuf_alloc_failed = 0;
1691
1692         /* Invoke PMD device initialization function */
1693         diag = dpaa2_dev_init(eth_dev);
1694         if (diag == 0)
1695                 return 0;
1696
1697         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1698                 rte_free(eth_dev->data->dev_private);
1699         rte_eth_dev_release_port(eth_dev);
1700         return diag;
1701 }
1702
1703 static int
1704 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1705 {
1706         struct rte_eth_dev *eth_dev;
1707
1708         eth_dev = dpaa2_dev->eth_dev;
1709         dpaa2_dev_uninit(eth_dev);
1710
1711         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1712                 rte_free(eth_dev->data->dev_private);
1713         rte_eth_dev_release_port(eth_dev);
1714
1715         return 0;
1716 }
1717
1718 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1719         .drv_type = DPAA2_ETH,
1720         .probe = rte_dpaa2_probe,
1721         .remove = rte_dpaa2_remove,
1722 };
1723
1724 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);