drivers/net/dpaa2/dpaa2_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright (c) 2016 NXP. All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <net/if.h>
  36
  37 #include <rte_mbuf.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_memcpy.h>
  41 #include <rte_string_fns.h>
  42 #include <rte_cycles.h>
  43 #include <rte_kvargs.h>
  44 #include <rte_dev.h>
  45 #include <rte_ethdev.h>
  46 #include <rte_fslmc.h>
  47
  48 #include <fslmc_logs.h>
  49 #include <fslmc_vfio.h>
  50 #include <dpaa2_hw_pvt.h>
  51 #include <dpaa2_hw_mempool.h>
  52 #include <dpaa2_hw_dpio.h>
  53
  54 #include "dpaa2_ethdev.h"
  55
  56 static struct rte_dpaa2_driver rte_dpaa2_pmd;
  57 static int dpaa2_dev_uninit(struct rte_eth_dev *eth_dev);
  58 static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
  59 static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
  60 static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  61
  62 /**
  63  * Atomically reads the link status information from global
  64  * structure rte_eth_dev.
  65  *
  66  * @param dev
  67  *   - Pointer to the structure rte_eth_dev to read from.
  68  *   - Pointer to the buffer to be saved with the link status.
  69  *
  70  * @return
  71  *   - On success, zero.
  72  *   - On failure, negative value.
  73  */
  74 static inline int
  75 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
  76                                   struct rte_eth_link *link)
  77 {
  78         struct rte_eth_link *dst = link;
  79         struct rte_eth_link *src = &dev->data->dev_link;
  80
  81         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  82                                 *(uint64_t *)src) == 0)
  83                 return -1;
  84
  85         return 0;
  86 }
  87
  88 /**
  89  * Atomically writes the link status information into global
  90  * structure rte_eth_dev.
  91  *
  92  * @param dev
  93  *   - Pointer to the structure rte_eth_dev to read from.
  94  *   - Pointer to the buffer to be saved with the link status.
  95  *
  96  * @return
  97  *   - On success, zero.
  98  *   - On failure, negative value.
  99  */
 100 static inline int
 101 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
 102                                    struct rte_eth_link *link)
 103 {
 104         struct rte_eth_link *dst = &dev->data->dev_link;
 105         struct rte_eth_link *src = link;
 106
 107         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 108                                 *(uint64_t *)src) == 0)
 109                 return -1;
 110
 111         return 0;
 112 }
 113
 114 static int
 115 dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 116 {
 117         int ret;
 118         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 119         struct fsl_mc_io *dpni = priv->hw;
 120
 121         PMD_INIT_FUNC_TRACE();
 122
 123         if (dpni == NULL) {
 124                 RTE_LOG(ERR, PMD, "dpni is NULL");
 125                 return -1;
 126         }
 127
 128         if (on)
 129                 ret = dpni_add_vlan_id(dpni, CMD_PRI_LOW,
 130                                        priv->token, vlan_id);
 131         else
 132                 ret = dpni_remove_vlan_id(dpni, CMD_PRI_LOW,
 133                                           priv->token, vlan_id);
 134
 135         if (ret < 0)
 136                 PMD_DRV_LOG(ERR, "ret = %d Unable to add/rem vlan %d hwid =%d",
 137                             ret, vlan_id, priv->hw_id);
 138
 139         return ret;
 140 }
 141
 142 static void
 143 dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 144 {
 145         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 146         struct fsl_mc_io *dpni = priv->hw;
 147         int ret;
 148
 149         PMD_INIT_FUNC_TRACE();
 150
 151         if (mask & ETH_VLAN_FILTER_MASK) {
 152                 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
 153                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 154                                                       priv->token, true);
 155                 else
 156                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
 157                                                       priv->token, false);
 158                 if (ret < 0)
 159                         RTE_LOG(ERR, PMD, "Unable to set vlan filter ret = %d",
 160                                 ret);
 161         }
 162 }
 163
 164 static void
 165 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 166 {
 167         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 168
 169         PMD_INIT_FUNC_TRACE();
 170
 171         dev_info->if_index = priv->hw_id;
 172
 173         dev_info->max_mac_addrs = priv->max_mac_filters;
 174         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
 175         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
 176         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
 177         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
 178         dev_info->rx_offload_capa =
 179                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 180                 DEV_RX_OFFLOAD_UDP_CKSUM |
 181                 DEV_RX_OFFLOAD_TCP_CKSUM |
 182                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 183         dev_info->tx_offload_capa =
 184                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 185                 DEV_TX_OFFLOAD_UDP_CKSUM |
 186                 DEV_TX_OFFLOAD_TCP_CKSUM |
 187                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 188                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 189         dev_info->speed_capa = ETH_LINK_SPEED_1G |
 190                         ETH_LINK_SPEED_2_5G |
 191                         ETH_LINK_SPEED_10G;
 192 }
 193
 194 static int
 195 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
 196 {
 197         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 198         uint16_t dist_idx;
 199         uint32_t vq_id;
 200         struct dpaa2_queue *mc_q, *mcq;
 201         uint32_t tot_queues;
 202         int i;
 203         struct dpaa2_queue *dpaa2_q;
 204
 205         PMD_INIT_FUNC_TRACE();
 206
 207         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
 208         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
 209                           RTE_CACHE_LINE_SIZE);
 210         if (!mc_q) {
 211                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
 212                 return -1;
 213         }
 214
 215         for (i = 0; i < priv->nb_rx_queues; i++) {
 216                 mc_q->dev = dev;
 217                 priv->rx_vq[i] = mc_q++;
 218                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 219                 dpaa2_q->q_storage = rte_malloc("dq_storage",
 220                                         sizeof(struct queue_storage_info_t),
 221                                         RTE_CACHE_LINE_SIZE);
 222                 if (!dpaa2_q->q_storage)
 223                         goto fail;
 224
 225                 memset(dpaa2_q->q_storage, 0,
 226                        sizeof(struct queue_storage_info_t));
 227                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
 228                         goto fail;
 229         }
 230
 231         for (i = 0; i < priv->nb_tx_queues; i++) {
 232                 mc_q->dev = dev;
 233                 mc_q->flow_id = 0xffff;
 234                 priv->tx_vq[i] = mc_q++;
 235                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 236                 dpaa2_q->cscn = rte_malloc(NULL,
 237                                            sizeof(struct qbman_result), 16);
 238                 if (!dpaa2_q->cscn)
 239                         goto fail_tx;
 240         }
 241
 242         vq_id = 0;
 243         for (dist_idx = 0; dist_idx < priv->num_dist_per_tc[DPAA2_DEF_TC];
 244              dist_idx++) {
 245                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
 246                 mcq->tc_index = DPAA2_DEF_TC;
 247                 mcq->flow_id = dist_idx;
 248                 vq_id++;
 249         }
 250
 251         return 0;
 252 fail_tx:
 253         i -= 1;
 254         while (i >= 0) {
 255                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
 256                 rte_free(dpaa2_q->cscn);
 257                 priv->tx_vq[i--] = NULL;
 258         }
 259         i = priv->nb_rx_queues;
 260 fail:
 261         i -= 1;
 262         mc_q = priv->rx_vq[0];
 263         while (i >= 0) {
 264                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
 265                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
 266                 rte_free(dpaa2_q->q_storage);
 267                 priv->rx_vq[i--] = NULL;
 268         }
 269         rte_free(mc_q);
 270         return -1;
 271 }
 272
 273 static int
 274 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 275 {
 276         struct rte_eth_dev_data *data = dev->data;
 277         struct rte_eth_conf *eth_conf = &data->dev_conf;
 278         int ret;
 279
 280         PMD_INIT_FUNC_TRACE();
 281
 282         if (eth_conf->rxmode.jumbo_frame == 1) {
 283                 if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
 284                         ret = dpaa2_dev_mtu_set(dev,
 285                                         eth_conf->rxmode.max_rx_pkt_len);
 286                         if (ret) {
 287                                 PMD_INIT_LOG(ERR,
 288                                              "unable to set mtu. check config\n");
 289                                 return ret;
 290                         }
 291                 } else {
 292                         return -1;
 293                 }
 294         }
 295
 296         /* Check for correct configuration */
 297         if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 298             data->nb_rx_queues > 1) {
 299                 PMD_INIT_LOG(ERR, "Distribution is not enabled, "
 300                             "but Rx queues more than 1\n");
 301                 return -1;
 302         }
 303
 304         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
 305                 /* Return in case number of Rx queues is 1 */
 306                 if (data->nb_rx_queues == 1)
 307                         return 0;
 308                 ret = dpaa2_setup_flow_dist(dev,
 309                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
 310                 if (ret) {
 311                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
 312                                      "please check queue config\n");
 313                         return ret;
 314                 }
 315         }
 316         return 0;
 317 }
 318
 319 /* Function to setup RX flow information. It contains traffic class ID,
 320  * flow ID, destination configuration etc.
 321  */
 322 static int
 323 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
 324                          uint16_t rx_queue_id,
 325                          uint16_t nb_rx_desc __rte_unused,
 326                          unsigned int socket_id __rte_unused,
 327                          const struct rte_eth_rxconf *rx_conf __rte_unused,
 328                          struct rte_mempool *mb_pool)
 329 {
 330         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 331         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 332         struct dpaa2_queue *dpaa2_q;
 333         struct dpni_queue cfg;
 334         uint8_t options = 0;
 335         uint8_t flow_id;
 336         uint32_t bpid;
 337         int ret;
 338
 339         PMD_INIT_FUNC_TRACE();
 340
 341         PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
 342                      dev, rx_queue_id, mb_pool, rx_conf);
 343
 344         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
 345                 bpid = mempool_to_bpid(mb_pool);
 346                 ret = dpaa2_attach_bp_list(priv,
 347                                            rte_dpaa2_bpid_info[bpid].bp_list);
 348                 if (ret)
 349                         return ret;
 350         }
 351         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
 352         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
 353
 354         /*Get the tc id and flow id from given VQ id*/
 355         flow_id = rx_queue_id % priv->num_dist_per_tc[dpaa2_q->tc_index];
 356         memset(&cfg, 0, sizeof(struct dpni_queue));
 357
 358         options = options | DPNI_QUEUE_OPT_USER_CTX;
 359         cfg.user_context = (uint64_t)(dpaa2_q);
 360
 361         /*if ls2088 or rev2 device, enable the stashing */
 362         if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) {
 363                 options |= DPNI_QUEUE_OPT_FLC;
 364                 cfg.flc.stash_control = true;
 365                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 366                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
 367                  * data stashing setting 01 01 00 (0x14) to enable
 368                  * 1 line data, 1 line annotation
 369                  */
 370                 cfg.flc.value |= 0x14;
 371         }
 372         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 373                              dpaa2_q->tc_index, flow_id, options, &cfg);
 374         if (ret) {
 375                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
 376                 return -1;
 377         }
 378
 379         if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
 380                 struct dpni_taildrop taildrop;
 381
 382                 taildrop.enable = 1;
 383                 /*enabling per rx queue congestion control */
 384                 taildrop.threshold = CONG_THRESHOLD_RX_Q;
 385                 taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
 386                 PMD_INIT_LOG(DEBUG, "Enabling Early Drop on queue = %d",
 387                              rx_queue_id);
 388                 ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
 389                                         DPNI_CP_QUEUE, DPNI_QUEUE_RX,
 390                                         dpaa2_q->tc_index, flow_id, &taildrop);
 391                 if (ret) {
 392                         PMD_INIT_LOG(ERR, "Error in setting the rx flow"
 393                                      " err : = %d\n", ret);
 394                         return -1;
 395                 }
 396         }
 397
 398         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
 399         return 0;
 400 }
 401
 402 static int
 403 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
 404                          uint16_t tx_queue_id,
 405                          uint16_t nb_tx_desc __rte_unused,
 406                          unsigned int socket_id __rte_unused,
 407                          const struct rte_eth_txconf *tx_conf __rte_unused)
 408 {
 409         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 410         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
 411                 priv->tx_vq[tx_queue_id];
 412         struct fsl_mc_io *dpni = priv->hw;
 413         struct dpni_queue tx_conf_cfg;
 414         struct dpni_queue tx_flow_cfg;
 415         uint8_t options = 0, flow_id;
 416         uint32_t tc_id;
 417         int ret;
 418
 419         PMD_INIT_FUNC_TRACE();
 420
 421         /* Return if queue already configured */
 422         if (dpaa2_q->flow_id != 0xffff)
 423                 return 0;
 424
 425         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
 426         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
 427
 428         if (priv->num_tc == 1) {
 429                 tc_id = 0;
 430                 flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
 431         } else {
 432                 tc_id = tx_queue_id;
 433                 flow_id = 0;
 434         }
 435
 436         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
 437                              tc_id, flow_id, options, &tx_flow_cfg);
 438         if (ret) {
 439                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
 440                              "tc_id=%d, flow =%d ErrorCode = %x\n",
 441                              tc_id, flow_id, -ret);
 442                         return -1;
 443         }
 444
 445         dpaa2_q->flow_id = flow_id;
 446
 447         if (tx_queue_id == 0) {
 448                 /*Set tx-conf and error configuration*/
 449                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
 450                                                     priv->token,
 451                                                     DPNI_CONF_DISABLE);
 452                 if (ret) {
 453                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
 454                                      " ErrorCode = %x", ret);
 455                         return -1;
 456                 }
 457         }
 458         dpaa2_q->tc_index = tc_id;
 459
 460         if (priv->flags & DPAA2_TX_CGR_SUPPORT) {
 461                 struct dpni_congestion_notification_cfg cong_notif_cfg;
 462
 463                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_BYTES;
 464                 /* Notify about congestion when the queue size is 32 KB */
 465                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
 466                 /* Notify that the queue is not congested when the data in
 467                  * the queue is below this thershold.
 468                  */
 469                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
 470                 cong_notif_cfg.message_ctx = 0;
 471                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
 472                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
 473                 cong_notif_cfg.notification_mode =
 474                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
 475                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
 476                                          DPNI_CONG_OPT_COHERENT_WRITE;
 477
 478                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
 479                                                        priv->token,
 480                                                        DPNI_QUEUE_TX,
 481                                                        tc_id,
 482                                                        &cong_notif_cfg);
 483                 if (ret) {
 484                         PMD_INIT_LOG(ERR,
 485                            "Error in setting tx congestion notification: = %d",
 486                            -ret);
 487                         return -ret;
 488                 }
 489         }
 490         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
 491         return 0;
 492 }
 493
 494 static void
 495 dpaa2_dev_rx_queue_release(void *q __rte_unused)
 496 {
 497         PMD_INIT_FUNC_TRACE();
 498 }
 499
 500 static void
 501 dpaa2_dev_tx_queue_release(void *q __rte_unused)
 502 {
 503         PMD_INIT_FUNC_TRACE();
 504 }
 505
 506 static const uint32_t *
 507 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
 508 {
 509         static const uint32_t ptypes[] = {
 510                 /*todo -= add more types */
 511                 RTE_PTYPE_L2_ETHER,
 512                 RTE_PTYPE_L3_IPV4,
 513                 RTE_PTYPE_L3_IPV4_EXT,
 514                 RTE_PTYPE_L3_IPV6,
 515                 RTE_PTYPE_L3_IPV6_EXT,
 516                 RTE_PTYPE_L4_TCP,
 517                 RTE_PTYPE_L4_UDP,
 518                 RTE_PTYPE_L4_SCTP,
 519                 RTE_PTYPE_L4_ICMP,
 520                 RTE_PTYPE_UNKNOWN
 521         };
 522
 523         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
 524                 return ptypes;
 525         return NULL;
 526 }
 527
 528 static int
 529 dpaa2_dev_start(struct rte_eth_dev *dev)
 530 {
 531         struct rte_eth_dev_data *data = dev->data;
 532         struct dpaa2_dev_priv *priv = data->dev_private;
 533         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 534         struct dpni_queue cfg;
 535         struct dpni_error_cfg   err_cfg;
 536         uint16_t qdid;
 537         struct dpni_queue_id qid;
 538         struct dpaa2_queue *dpaa2_q;
 539         int ret, i;
 540
 541         PMD_INIT_FUNC_TRACE();
 542
 543         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
 544         if (ret) {
 545                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
 546                              ret, priv->hw_id);
 547                 return ret;
 548         }
 549
 550         /* Power up the phy. Needed to make the link go Up */
 551         dpaa2_dev_set_link_up(dev);
 552
 553         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
 554                             DPNI_QUEUE_TX, &qdid);
 555         if (ret) {
 556                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
 557                 return ret;
 558         }
 559         priv->qdid = qdid;
 560
 561         for (i = 0; i < data->nb_rx_queues; i++) {
 562                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
 563                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
 564                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
 565                                        dpaa2_q->flow_id, &cfg, &qid);
 566                 if (ret) {
 567                         PMD_INIT_LOG(ERR, "Error to get flow "
 568                                      "information Error code = %d\n", ret);
 569                         return ret;
 570                 }
 571                 dpaa2_q->fqid = qid.fqid;
 572         }
 573
 574         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 575                                DPNI_OFF_RX_L3_CSUM, true);
 576         if (ret) {
 577                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
 578                 return ret;
 579         }
 580
 581         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 582                                DPNI_OFF_RX_L4_CSUM, true);
 583         if (ret) {
 584                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
 585                 return ret;
 586         }
 587
 588         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 589                                DPNI_OFF_TX_L3_CSUM, true);
 590         if (ret) {
 591                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
 592                 return ret;
 593         }
 594
 595         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
 596                                DPNI_OFF_TX_L4_CSUM, true);
 597         if (ret) {
 598                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
 599                 return ret;
 600         }
 601
 602         /*checksum errors, send them to normal path and set it in annotation */
 603         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
 604
 605         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
 606         err_cfg.set_frame_annotation = true;
 607
 608         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
 609                                        priv->token, &err_cfg);
 610         if (ret) {
 611                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
 612                              "code = %d\n", ret);
 613                 return ret;
 614         }
 615         /* VLAN Offload Settings */
 616         if (priv->max_vlan_filters)
 617                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
 618
 619         return 0;
 620 }
 621
 622 /**
 623  *  This routine disables all traffic on the adapter by issuing a
 624  *  global reset on the MAC.
 625  */
 626 static void
 627 dpaa2_dev_stop(struct rte_eth_dev *dev)
 628 {
 629         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 630         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 631         int ret;
 632         struct rte_eth_link link;
 633
 634         PMD_INIT_FUNC_TRACE();
 635
 636         dpaa2_dev_set_link_down(dev);
 637
 638         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
 639         if (ret) {
 640                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
 641                              ret, priv->hw_id);
 642                 return;
 643         }
 644
 645         /* clear the recorded link status */
 646         memset(&link, 0, sizeof(link));
 647         dpaa2_dev_atomic_write_link_status(dev, &link);
 648 }
 649
 650 static void
 651 dpaa2_dev_close(struct rte_eth_dev *dev)
 652 {
 653         struct rte_eth_dev_data *data = dev->data;
 654         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 655         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 656         int i, ret;
 657         struct rte_eth_link link;
 658         struct dpaa2_queue *dpaa2_q;
 659
 660         PMD_INIT_FUNC_TRACE();
 661
 662         for (i = 0; i < data->nb_tx_queues; i++) {
 663                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
 664                 if (!dpaa2_q->cscn) {
 665                         rte_free(dpaa2_q->cscn);
 666                         dpaa2_q->cscn = NULL;
 667                 }
 668         }
 669
 670         /* Clean the device first */
 671         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
 672         if (ret) {
 673                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
 674                              " error code %d\n", ret);
 675                 return;
 676         }
 677
 678         memset(&link, 0, sizeof(link));
 679         dpaa2_dev_atomic_write_link_status(dev, &link);
 680 }
 681
 682 static void
 683 dpaa2_dev_promiscuous_enable(
 684                 struct rte_eth_dev *dev)
 685 {
 686         int ret;
 687         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 688         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 689
 690         PMD_INIT_FUNC_TRACE();
 691
 692         if (dpni == NULL) {
 693                 RTE_LOG(ERR, PMD, "dpni is NULL");
 694                 return;
 695         }
 696
 697         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 698         if (ret < 0)
 699                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d", ret);
 700
 701         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 702         if (ret < 0)
 703                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d", ret);
 704 }
 705
 706 static void
 707 dpaa2_dev_promiscuous_disable(
 708                 struct rte_eth_dev *dev)
 709 {
 710         int ret;
 711         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 712         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 713
 714         PMD_INIT_FUNC_TRACE();
 715
 716         if (dpni == NULL) {
 717                 RTE_LOG(ERR, PMD, "dpni is NULL");
 718                 return;
 719         }
 720
 721         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 722         if (ret < 0)
 723                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d", ret);
 724
 725         if (dev->data->all_multicast == 0) {
 726                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
 727                                                  priv->token, false);
 728                 if (ret < 0)
 729                         RTE_LOG(ERR, PMD, "Unable to disable M promisc mode %d",
 730                                 ret);
 731         }
 732 }
 733
 734 static void
 735 dpaa2_dev_allmulticast_enable(
 736                 struct rte_eth_dev *dev)
 737 {
 738         int ret;
 739         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 740         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 741
 742         PMD_INIT_FUNC_TRACE();
 743
 744         if (dpni == NULL) {
 745                 RTE_LOG(ERR, PMD, "dpni is NULL");
 746                 return;
 747         }
 748
 749         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
 750         if (ret < 0)
 751                 RTE_LOG(ERR, PMD, "Unable to enable multicast mode %d", ret);
 752 }
 753
 754 static void
 755 dpaa2_dev_allmulticast_disable(struct rte_eth_dev *dev)
 756 {
 757         int ret;
 758         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 759         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 760
 761         PMD_INIT_FUNC_TRACE();
 762
 763         if (dpni == NULL) {
 764                 RTE_LOG(ERR, PMD, "dpni is NULL");
 765                 return;
 766         }
 767
 768         /* must remain on for all promiscuous */
 769         if (dev->data->promiscuous == 1)
 770                 return;
 771
 772         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
 773         if (ret < 0)
 774                 RTE_LOG(ERR, PMD, "Unable to disable multicast mode %d", ret);
 775 }
 776
 777 static int
 778 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 779 {
 780         int ret;
 781         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 782         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 783         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 784
 785         PMD_INIT_FUNC_TRACE();
 786
 787         if (dpni == NULL) {
 788                 RTE_LOG(ERR, PMD, "dpni is NULL");
 789                 return -EINVAL;
 790         }
 791
 792         /* check that mtu is within the allowed range */
 793         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 794                 return -EINVAL;
 795
 796         if (frame_size > ETHER_MAX_LEN)
 797                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
 798         else
 799                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
 800
 801         /* Set the Max Rx frame length as 'mtu' +
 802          * Maximum Ethernet header length
 803          */
 804         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
 805                                         mtu + ETH_VLAN_HLEN);
 806         if (ret) {
 807                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
 808                 return -1;
 809         }
 810         PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
 811         return 0;
 812 }
 813
 814 static int
 815 dpaa2_dev_add_mac_addr(struct rte_eth_dev *dev,
 816                        struct ether_addr *addr,
 817                        __rte_unused uint32_t index,
 818                        __rte_unused uint32_t pool)
 819 {
 820         int ret;
 821         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 822         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 823
 824         PMD_INIT_FUNC_TRACE();
 825
 826         if (dpni == NULL) {
 827                 RTE_LOG(ERR, PMD, "dpni is NULL");
 828                 return -1;
 829         }
 830
 831         ret = dpni_add_mac_addr(dpni, CMD_PRI_LOW,
 832                                 priv->token, addr->addr_bytes);
 833         if (ret)
 834                 RTE_LOG(ERR, PMD, "error: Adding the MAC ADDR failed:"
 835                         " err = %d", ret);
 836         return 0;
 837 }
 838
 839 static void
 840 dpaa2_dev_remove_mac_addr(struct rte_eth_dev *dev,
 841                           uint32_t index)
 842 {
 843         int ret;
 844         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 845         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 846         struct rte_eth_dev_data *data = dev->data;
 847         struct ether_addr *macaddr;
 848
 849         PMD_INIT_FUNC_TRACE();
 850
 851         macaddr = &data->mac_addrs[index];
 852
 853         if (dpni == NULL) {
 854                 RTE_LOG(ERR, PMD, "dpni is NULL");
 855                 return;
 856         }
 857
 858         ret = dpni_remove_mac_addr(dpni, CMD_PRI_LOW,
 859                                    priv->token, macaddr->addr_bytes);
 860         if (ret)
 861                 RTE_LOG(ERR, PMD, "error: Removing the MAC ADDR failed:"
 862                         " err = %d", ret);
 863 }
 864
 865 static void
 866 dpaa2_dev_set_mac_addr(struct rte_eth_dev *dev,
 867                        struct ether_addr *addr)
 868 {
 869         int ret;
 870         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 871         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 872
 873         PMD_INIT_FUNC_TRACE();
 874
 875         if (dpni == NULL) {
 876                 RTE_LOG(ERR, PMD, "dpni is NULL");
 877                 return;
 878         }
 879
 880         ret = dpni_set_primary_mac_addr(dpni, CMD_PRI_LOW,
 881                                         priv->token, addr->addr_bytes);
 882
 883         if (ret)
 884                 RTE_LOG(ERR, PMD, "error: Setting the MAC ADDR failed %d", ret);
 885 }
 886 static
 887 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 888                          struct rte_eth_stats *stats)
 889 {
 890         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 891         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 892         int32_t  retcode;
 893         uint8_t page0 = 0, page1 = 1, page2 = 2;
 894         union dpni_statistics value;
 895
 896         memset(&value, 0, sizeof(union dpni_statistics));
 897
 898         PMD_INIT_FUNC_TRACE();
 899
 900         if (!dpni) {
 901                 RTE_LOG(ERR, PMD, "dpni is NULL");
 902                 return;
 903         }
 904
 905         if (!stats) {
 906                 RTE_LOG(ERR, PMD, "stats is NULL");
 907                 return;
 908         }
 909
 910         /*Get Counters from page_0*/
 911         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 912                                       page0, &value);
 913         if (retcode)
 914                 goto err;
 915
 916         stats->ipackets = value.page_0.ingress_all_frames;
 917         stats->ibytes = value.page_0.ingress_all_bytes;
 918
 919         /*Get Counters from page_1*/
 920         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 921                                       page1, &value);
 922         if (retcode)
 923                 goto err;
 924
 925         stats->opackets = value.page_1.egress_all_frames;
 926         stats->obytes = value.page_1.egress_all_bytes;
 927
 928         /*Get Counters from page_2*/
 929         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 930                                       page2, &value);
 931         if (retcode)
 932                 goto err;
 933
 934         /* Ingress drop frame count due to configured rules */
 935         stats->ierrors = value.page_2.ingress_filtered_frames;
 936         /* Ingress drop frame count due to error */
 937         stats->ierrors += value.page_2.ingress_discarded_frames;
 938
 939         stats->oerrors = value.page_2.egress_discarded_frames;
 940         stats->imissed = value.page_2.ingress_nobuffer_discards;
 941
 942         return;
 943
 944 err:
 945         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 946         return;
 947 };
 948
 949 static
 950 void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
 951 {
 952         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 953         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 954         int32_t  retcode;
 955
 956         PMD_INIT_FUNC_TRACE();
 957
 958         if (dpni == NULL) {
 959                 RTE_LOG(ERR, PMD, "dpni is NULL");
 960                 return;
 961         }
 962
 963         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
 964         if (retcode)
 965                 goto error;
 966
 967         return;
 968
 969 error:
 970         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
 971         return;
 972 };
 973
 974 /* return 0 means link status changed, -1 means not changed */
 975 static int
 976 dpaa2_dev_link_update(struct rte_eth_dev *dev,
 977                         int wait_to_complete __rte_unused)
 978 {
 979         int ret;
 980         struct dpaa2_dev_priv *priv = dev->data->dev_private;
 981         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
 982         struct rte_eth_link link, old;
 983         struct dpni_link_state state = {0};
 984
 985         PMD_INIT_FUNC_TRACE();
 986
 987         if (dpni == NULL) {
 988                 RTE_LOG(ERR, PMD, "error : dpni is NULL");
 989                 return 0;
 990         }
 991         memset(&old, 0, sizeof(old));
 992         dpaa2_dev_atomic_read_link_status(dev, &old);
 993
 994         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
 995         if (ret < 0) {
 996                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
 997                 return -1;
 998         }
 999
1000         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1001                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1002                 return -1;
1003         }
1004
1005         memset(&link, 0, sizeof(struct rte_eth_link));
1006         link.link_status = state.up;
1007         link.link_speed = state.rate;
1008
1009         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1010                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1011         else
1012                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1013
1014         dpaa2_dev_atomic_write_link_status(dev, &link);
1015
1016         if (link.link_status)
1017                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1018         else
1019                 PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
1020         return 0;
1021 }
1022
1023 /**
1024  * Toggle the DPNI to enable, if not already enabled.
1025  * This is not strictly PHY up/down - it is more of logical toggling.
1026  */
1027 static int
1028 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1029 {
1030         int ret = -EINVAL;
1031         struct dpaa2_dev_priv *priv;
1032         struct fsl_mc_io *dpni;
1033         int en = 0;
1034
1035         PMD_INIT_FUNC_TRACE();
1036
1037         priv = dev->data->dev_private;
1038         dpni = (struct fsl_mc_io *)priv->hw;
1039
1040         if (dpni == NULL) {
1041                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1042                 return ret;
1043         }
1044
1045         /* Check if DPNI is currently enabled */
1046         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1047         if (ret) {
1048                 /* Unable to obtain dpni status; Not continuing */
1049                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1050                 return -EINVAL;
1051         }
1052
1053         /* Enable link if not already enabled */
1054         if (!en) {
1055                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1056                 if (ret) {
1057                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1058                         return -EINVAL;
1059                 }
1060         }
1061         /* changing tx burst function to start enqueues */
1062         dev->tx_pkt_burst = dpaa2_dev_tx;
1063         dev->data->dev_link.link_status = 1;
1064
1065         PMD_DRV_LOG(INFO, "Port %d Link UP successful", dev->data->port_id);
1066         return ret;
1067 }
1068
1069 /**
1070  * Toggle the DPNI to disable, if not already disabled.
1071  * This is not strictly PHY up/down - it is more of logical toggling.
1072  */
1073 static int
1074 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1075 {
1076         int ret = -EINVAL;
1077         struct dpaa2_dev_priv *priv;
1078         struct fsl_mc_io *dpni;
1079         int dpni_enabled = 0;
1080         int retries = 10;
1081
1082         PMD_INIT_FUNC_TRACE();
1083
1084         priv = dev->data->dev_private;
1085         dpni = (struct fsl_mc_io *)priv->hw;
1086
1087         if (dpni == NULL) {
1088                 RTE_LOG(ERR, PMD, "Device has not yet been configured");
1089                 return ret;
1090         }
1091
1092         /*changing  tx burst function to avoid any more enqueues */
1093         dev->tx_pkt_burst = dummy_dev_tx;
1094
1095         /* Loop while dpni_disable() attempts to drain the egress FQs
1096          * and confirm them back to us.
1097          */
1098         do {
1099                 ret = dpni_disable(dpni, 0, priv->token);
1100                 if (ret) {
1101                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1102                         return ret;
1103                 }
1104                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1105                 if (ret) {
1106                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1107                         return ret;
1108                 }
1109                 if (dpni_enabled)
1110                         /* Allow the MC some slack */
1111                         rte_delay_us(100 * 1000);
1112         } while (dpni_enabled && --retries);
1113
1114         if (!retries) {
1115                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1116                 /* todo- we may have to manually cleanup queues.
1117                  */
1118         } else {
1119                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1120                             dev->data->port_id);
1121         }
1122
1123         dev->data->dev_link.link_status = 0;
1124
1125         return ret;
1126 }
1127
1128 static int
1129 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1130 {
1131         int ret = -EINVAL;
1132         struct dpaa2_dev_priv *priv;
1133         struct fsl_mc_io *dpni;
1134         struct dpni_link_state state = {0};
1135
1136         PMD_INIT_FUNC_TRACE();
1137
1138         priv = dev->data->dev_private;
1139         dpni = (struct fsl_mc_io *)priv->hw;
1140
1141         if (dpni == NULL || fc_conf == NULL) {
1142                 RTE_LOG(ERR, PMD, "device not configured");
1143                 return ret;
1144         }
1145
1146         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1147         if (ret) {
1148                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
1149                 return ret;
1150         }
1151
1152         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1153         if (state.options & DPNI_LINK_OPT_PAUSE) {
1154                 /* DPNI_LINK_OPT_PAUSE set
1155                  *  if ASYM_PAUSE not set,
1156                  *      RX Side flow control (handle received Pause frame)
1157                  *      TX side flow control (send Pause frame)
1158                  *  if ASYM_PAUSE set,
1159                  *      RX Side flow control (handle received Pause frame)
1160                  *      No TX side flow control (send Pause frame disabled)
1161                  */
1162                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1163                         fc_conf->mode = RTE_FC_FULL;
1164                 else
1165                         fc_conf->mode = RTE_FC_RX_PAUSE;
1166         } else {
1167                 /* DPNI_LINK_OPT_PAUSE not set
1168                  *  if ASYM_PAUSE set,
1169                  *      TX side flow control (send Pause frame)
1170                  *      No RX side flow control (No action on pause frame rx)
1171                  *  if ASYM_PAUSE not set,
1172                  *      Flow control disabled
1173                  */
1174                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1175                         fc_conf->mode = RTE_FC_TX_PAUSE;
1176                 else
1177                         fc_conf->mode = RTE_FC_NONE;
1178         }
1179
1180         return ret;
1181 }
1182
1183 static int
1184 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1185 {
1186         int ret = -EINVAL;
1187         struct dpaa2_dev_priv *priv;
1188         struct fsl_mc_io *dpni;
1189         struct dpni_link_state state = {0};
1190         struct dpni_link_cfg cfg = {0};
1191
1192         PMD_INIT_FUNC_TRACE();
1193
1194         priv = dev->data->dev_private;
1195         dpni = (struct fsl_mc_io *)priv->hw;
1196
1197         if (dpni == NULL) {
1198                 RTE_LOG(ERR, PMD, "dpni is NULL");
1199                 return ret;
1200         }
1201
1202         /* It is necessary to obtain the current state before setting fc_conf
1203          * as MC would return error in case rate, autoneg or duplex values are
1204          * different.
1205          */
1206         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1207         if (ret) {
1208                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)", ret);
1209                 return -1;
1210         }
1211
1212         /* Disable link before setting configuration */
1213         dpaa2_dev_set_link_down(dev);
1214
1215         /* Based on fc_conf, update cfg */
1216         cfg.rate = state.rate;
1217         cfg.options = state.options;
1218
1219         /* update cfg with fc_conf */
1220         switch (fc_conf->mode) {
1221         case RTE_FC_FULL:
1222                 /* Full flow control;
1223                  * OPT_PAUSE set, ASYM_PAUSE not set
1224                  */
1225                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1226                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1227         case RTE_FC_TX_PAUSE:
1228                 /* Enable RX flow control
1229                  * OPT_PAUSE not set;
1230                  * ASYM_PAUSE set;
1231                  */
1232                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1233                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1234                 break;
1235         case RTE_FC_RX_PAUSE:
1236                 /* Enable TX Flow control
1237                  * OPT_PAUSE set
1238                  * ASYM_PAUSE set
1239                  */
1240                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1241                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1242                 break;
1243         case RTE_FC_NONE:
1244                 /* Disable Flow control
1245                  * OPT_PAUSE not set
1246                  * ASYM_PAUSE not set
1247                  */
1248                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1249                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1250                 break;
1251         default:
1252                 RTE_LOG(ERR, PMD, "Incorrect Flow control flag (%d)",
1253                         fc_conf->mode);
1254                 return -1;
1255         }
1256
1257         ret = dpni_set_link_cfg(dpni, CMD_PRI_LOW, priv->token, &cfg);
1258         if (ret)
1259                 RTE_LOG(ERR, PMD, "Unable to set Link configuration (err=%d)",
1260                         ret);
1261
1262         /* Enable link */
1263         dpaa2_dev_set_link_up(dev);
1264
1265         return ret;
1266 }
1267
1268 static struct eth_dev_ops dpaa2_ethdev_ops = {
1269         .dev_configure    = dpaa2_eth_dev_configure,
1270         .dev_start            = dpaa2_dev_start,
1271         .dev_stop             = dpaa2_dev_stop,
1272         .dev_close            = dpaa2_dev_close,
1273         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1274         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1275         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1276         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1277         .dev_set_link_up      = dpaa2_dev_set_link_up,
1278         .dev_set_link_down    = dpaa2_dev_set_link_down,
1279         .link_update       = dpaa2_dev_link_update,
1280         .stats_get             = dpaa2_dev_stats_get,
1281         .stats_reset       = dpaa2_dev_stats_reset,
1282         .dev_infos_get     = dpaa2_dev_info_get,
1283         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1284         .mtu_set           = dpaa2_dev_mtu_set,
1285         .vlan_filter_set      = dpaa2_vlan_filter_set,
1286         .vlan_offload_set     = dpaa2_vlan_offload_set,
1287         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1288         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1289         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1290         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1291         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1292         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1293         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1294         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1295         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1296 };
1297
1298 static int
1299 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1300 {
1301         struct rte_device *dev = eth_dev->device;
1302         struct rte_dpaa2_device *dpaa2_dev;
1303         struct fsl_mc_io *dpni_dev;
1304         struct dpni_attr attr;
1305         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1306         struct dpni_buffer_layout layout;
1307         int i, ret, hw_id;
1308
1309         PMD_INIT_FUNC_TRACE();
1310
1311         /* For secondary processes, the primary has done all the work */
1312         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1313                 return 0;
1314
1315         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1316
1317         hw_id = dpaa2_dev->object_id;
1318
1319         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1320         if (!dpni_dev) {
1321                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1322                 return -1;
1323         }
1324
1325         dpni_dev->regs = rte_mcp_ptr_list[0];
1326         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1327         if (ret) {
1328                 PMD_INIT_LOG(ERR,
1329                              "Failure in opening dpni@%d with err code %d\n",
1330                              hw_id, ret);
1331                 rte_free(dpni_dev);
1332                 return -1;
1333         }
1334
1335         /* Clean the device first */
1336         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1337         if (ret) {
1338                 PMD_INIT_LOG(ERR,
1339                              "Failure cleaning dpni@%d with err code %d\n",
1340                              hw_id, ret);
1341                 goto init_err;
1342         }
1343
1344         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1345         if (ret) {
1346                 PMD_INIT_LOG(ERR,
1347                              "Failure in get dpni@%d attribute, err code %d\n",
1348                              hw_id, ret);
1349                 goto init_err;
1350         }
1351
1352         priv->num_tc = attr.num_tcs;
1353         for (i = 0; i < attr.num_tcs; i++) {
1354                 priv->num_dist_per_tc[i] = attr.num_queues;
1355                 break;
1356         }
1357
1358         /* Distribution is per Tc only,
1359          * so choosing RX queues from default TC only
1360          */
1361         priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
1362
1363         if (attr.num_tcs == 1)
1364                 priv->nb_tx_queues = attr.num_queues;
1365         else
1366                 priv->nb_tx_queues = attr.num_tcs;
1367
1368         PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
1369         PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
1370
1371         priv->hw = dpni_dev;
1372         priv->hw_id = hw_id;
1373         priv->options = attr.options;
1374         priv->max_mac_filters = attr.mac_filter_entries;
1375         priv->max_vlan_filters = attr.vlan_filter_entries;
1376         priv->flags = 0;
1377
1378         priv->flags |= DPAA2_TX_CGR_SUPPORT;
1379         PMD_INIT_LOG(INFO, "Enable the tx congestion control support");
1380
1381         /* Allocate memory for hardware structure for queues */
1382         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1383         if (ret) {
1384                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1385                 goto init_err;
1386         }
1387
1388         /* Allocate memory for storing MAC addresses */
1389         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1390                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1391         if (eth_dev->data->mac_addrs == NULL) {
1392                 PMD_INIT_LOG(ERR,
1393                    "Failed to allocate %d bytes needed to store MAC addresses",
1394                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1395                 ret = -ENOMEM;
1396                 goto init_err;
1397         }
1398
1399         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1400                                         priv->token,
1401                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1402         if (ret) {
1403                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1404                              ret);
1405                 goto init_err;
1406         }
1407
1408         /* ... tx buffer layout ... */
1409         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1410         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1411         layout.pass_frame_status = 1;
1412         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1413                                      DPNI_QUEUE_TX, &layout);
1414         if (ret) {
1415                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1416                              ret);
1417                 goto init_err;
1418         }
1419
1420         /* ... tx-conf and error buffer layout ... */
1421         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1422         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1423         layout.pass_frame_status = 1;
1424         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1425                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1426         if (ret) {
1427                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1428                              ret);
1429                 goto init_err;
1430         }
1431
1432         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1433         eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
1434
1435         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1436         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1437         rte_fslmc_vfio_dmamap();
1438
1439         return 0;
1440 init_err:
1441         dpaa2_dev_uninit(eth_dev);
1442         return ret;
1443 }
1444
1445 static int
1446 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1447 {
1448         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1449         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1450         int i, ret;
1451         struct dpaa2_queue *dpaa2_q;
1452
1453         PMD_INIT_FUNC_TRACE();
1454
1455         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1456                 return -EPERM;
1457
1458         if (!dpni) {
1459                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1460                 return -1;
1461         }
1462
1463         dpaa2_dev_close(eth_dev);
1464
1465         if (priv->rx_vq[0]) {
1466                 /* cleaning up queue storage */
1467                 for (i = 0; i < priv->nb_rx_queues; i++) {
1468                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1469                         if (dpaa2_q->q_storage)
1470                                 rte_free(dpaa2_q->q_storage);
1471                 }
1472                 /*free the all queue memory */
1473                 rte_free(priv->rx_vq[0]);
1474                 priv->rx_vq[0] = NULL;
1475         }
1476
1477         /* free memory for storing MAC addresses */
1478         if (eth_dev->data->mac_addrs) {
1479                 rte_free(eth_dev->data->mac_addrs);
1480                 eth_dev->data->mac_addrs = NULL;
1481         }
1482
1483         /* Close the device at underlying layer*/
1484         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1485         if (ret) {
1486                 PMD_INIT_LOG(ERR,
1487                              "Failure closing dpni device with err code %d\n",
1488                              ret);
1489         }
1490
1491         /* Free the allocated memory for ethernet private data and dpni*/
1492         priv->hw = NULL;
1493         rte_free(dpni);
1494
1495         eth_dev->dev_ops = NULL;
1496         eth_dev->rx_pkt_burst = NULL;
1497         eth_dev->tx_pkt_burst = NULL;
1498
1499         return 0;
1500 }
1501
1502 static int
1503 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
1504                 struct rte_dpaa2_device *dpaa2_dev)
1505 {
1506         struct rte_eth_dev *eth_dev;
1507         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
1508
1509         int diag;
1510
1511         sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
1512
1513         eth_dev = rte_eth_dev_allocate(ethdev_name);
1514         if (eth_dev == NULL)
1515                 return -ENOMEM;
1516
1517         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1518                 eth_dev->data->dev_private = rte_zmalloc(
1519                                                 "ethdev private structure",
1520                                                 sizeof(struct dpaa2_dev_priv),
1521                                                 RTE_CACHE_LINE_SIZE);
1522                 if (eth_dev->data->dev_private == NULL) {
1523                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1524                                      " private port data\n");
1525                         rte_eth_dev_release_port(eth_dev);
1526                         return -ENOMEM;
1527                 }
1528         }
1529         eth_dev->device = &dpaa2_dev->device;
1530         dpaa2_dev->eth_dev = eth_dev;
1531         eth_dev->data->rx_mbuf_alloc_failed = 0;
1532
1533         /* Invoke PMD device initialization function */
1534         diag = dpaa2_dev_init(eth_dev);
1535         if (diag == 0)
1536                 return 0;
1537
1538         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1539                 rte_free(eth_dev->data->dev_private);
1540         rte_eth_dev_release_port(eth_dev);
1541         return diag;
1542 }
1543
1544 static int
1545 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1546 {
1547         struct rte_eth_dev *eth_dev;
1548
1549         eth_dev = dpaa2_dev->eth_dev;
1550         dpaa2_dev_uninit(eth_dev);
1551
1552         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1553                 rte_free(eth_dev->data->dev_private);
1554         rte_eth_dev_release_port(eth_dev);
1555
1556         return 0;
1557 }
1558
1559 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1560         .drv_type = DPAA2_MC_DPNI_DEVID,
1561         .probe = rte_dpaa2_probe,
1562         .remove = rte_dpaa2_remove,
1563 };
1564
1565 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);