drivers/net/iavf/iavf_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13 #include <rte_byteorder.h>
  14 #include <rte_common.h>
  15
  16 #include <rte_interrupts.h>
  17 #include <rte_debug.h>
  18 #include <rte_pci.h>
  19 #include <rte_atomic.h>
  20 #include <rte_eal.h>
  21 #include <rte_ether.h>
  22 #include <rte_ethdev_driver.h>
  23 #include <rte_ethdev_pci.h>
  24 #include <rte_malloc.h>
  25 #include <rte_memzone.h>
  26 #include <rte_dev.h>
  27
  28 #include "iavf.h"
  29 #include "iavf_rxtx.h"
  30 #include "iavf_generic_flow.h"
  31
  32 static int iavf_dev_configure(struct rte_eth_dev *dev);
  33 static int iavf_dev_start(struct rte_eth_dev *dev);
  34 static int iavf_dev_stop(struct rte_eth_dev *dev);
  35 static int iavf_dev_close(struct rte_eth_dev *dev);
  36 static int iavf_dev_reset(struct rte_eth_dev *dev);
  37 static int iavf_dev_info_get(struct rte_eth_dev *dev,
  38                              struct rte_eth_dev_info *dev_info);
  39 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
  40 static int iavf_dev_stats_get(struct rte_eth_dev *dev,
  41                              struct rte_eth_stats *stats);
  42 static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
  43 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
  44                                  struct rte_eth_xstat *xstats, unsigned int n);
  45 static int iavf_dev_xstats_get_names(struct rte_eth_dev *dev,
  46                                        struct rte_eth_xstat_name *xstats_names,
  47                                        unsigned int limit);
  48 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
  49 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  50 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  51 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
  52 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
  53                                 struct rte_ether_addr *addr,
  54                                 uint32_t index,
  55                                 uint32_t pool);
  56 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
  57 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
  58                                    uint16_t vlan_id, int on);
  59 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  60 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
  61                                    struct rte_eth_rss_reta_entry64 *reta_conf,
  62                                    uint16_t reta_size);
  63 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
  64                                   struct rte_eth_rss_reta_entry64 *reta_conf,
  65                                   uint16_t reta_size);
  66 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
  67                                    struct rte_eth_rss_conf *rss_conf);
  68 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
  69                                      struct rte_eth_rss_conf *rss_conf);
  70 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  71 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
  72                                          struct rte_ether_addr *mac_addr);
  73 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
  74                                         uint16_t queue_id);
  75 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
  76                                          uint16_t queue_id);
  77 static int iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
  78                      enum rte_filter_type filter_type,
  79                      enum rte_filter_op filter_op,
  80                      void *arg);
  81 static int iavf_set_mc_addr_list(struct rte_eth_dev *dev,
  82                         struct rte_ether_addr *mc_addrs,
  83                         uint32_t mc_addrs_num);
  84
  85 static const struct rte_pci_id pci_id_iavf_map[] = {
  86         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
  87         { .vendor_id = 0, /* sentinel */ },
  88 };
  89
  90 struct rte_iavf_xstats_name_off {
  91         char name[RTE_ETH_XSTATS_NAME_SIZE];
  92         unsigned int offset;
  93 };
  94
  95 static const struct rte_iavf_xstats_name_off rte_iavf_stats_strings[] = {
  96         {"rx_bytes", offsetof(struct iavf_eth_stats, rx_bytes)},
  97         {"rx_unicast_packets", offsetof(struct iavf_eth_stats, rx_unicast)},
  98         {"rx_multicast_packets", offsetof(struct iavf_eth_stats, rx_multicast)},
  99         {"rx_broadcast_packets", offsetof(struct iavf_eth_stats, rx_broadcast)},
 100         {"rx_dropped_packets", offsetof(struct iavf_eth_stats, rx_discards)},
 101         {"rx_unknown_protocol_packets", offsetof(struct iavf_eth_stats,
 102                 rx_unknown_protocol)},
 103         {"tx_bytes", offsetof(struct iavf_eth_stats, tx_bytes)},
 104         {"tx_unicast_packets", offsetof(struct iavf_eth_stats, tx_unicast)},
 105         {"tx_multicast_packets", offsetof(struct iavf_eth_stats, tx_multicast)},
 106         {"tx_broadcast_packets", offsetof(struct iavf_eth_stats, tx_broadcast)},
 107         {"tx_dropped_packets", offsetof(struct iavf_eth_stats, tx_discards)},
 108         {"tx_error_packets", offsetof(struct iavf_eth_stats, tx_errors)},
 109 };
 110
 111 #define IAVF_NB_XSTATS (sizeof(rte_iavf_stats_strings) / \
 112                 sizeof(rte_iavf_stats_strings[0]))
 113
 114 static const struct eth_dev_ops iavf_eth_dev_ops = {
 115         .dev_configure              = iavf_dev_configure,
 116         .dev_start                  = iavf_dev_start,
 117         .dev_stop                   = iavf_dev_stop,
 118         .dev_close                  = iavf_dev_close,
 119         .dev_reset                  = iavf_dev_reset,
 120         .dev_infos_get              = iavf_dev_info_get,
 121         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
 122         .link_update                = iavf_dev_link_update,
 123         .stats_get                  = iavf_dev_stats_get,
 124         .stats_reset                = iavf_dev_stats_reset,
 125         .xstats_get                 = iavf_dev_xstats_get,
 126         .xstats_get_names           = iavf_dev_xstats_get_names,
 127         .xstats_reset               = iavf_dev_stats_reset,
 128         .promiscuous_enable         = iavf_dev_promiscuous_enable,
 129         .promiscuous_disable        = iavf_dev_promiscuous_disable,
 130         .allmulticast_enable        = iavf_dev_allmulticast_enable,
 131         .allmulticast_disable       = iavf_dev_allmulticast_disable,
 132         .mac_addr_add               = iavf_dev_add_mac_addr,
 133         .mac_addr_remove            = iavf_dev_del_mac_addr,
 134         .set_mc_addr_list                       = iavf_set_mc_addr_list,
 135         .vlan_filter_set            = iavf_dev_vlan_filter_set,
 136         .vlan_offload_set           = iavf_dev_vlan_offload_set,
 137         .rx_queue_start             = iavf_dev_rx_queue_start,
 138         .rx_queue_stop              = iavf_dev_rx_queue_stop,
 139         .tx_queue_start             = iavf_dev_tx_queue_start,
 140         .tx_queue_stop              = iavf_dev_tx_queue_stop,
 141         .rx_queue_setup             = iavf_dev_rx_queue_setup,
 142         .rx_queue_release           = iavf_dev_rx_queue_release,
 143         .tx_queue_setup             = iavf_dev_tx_queue_setup,
 144         .tx_queue_release           = iavf_dev_tx_queue_release,
 145         .mac_addr_set               = iavf_dev_set_default_mac_addr,
 146         .reta_update                = iavf_dev_rss_reta_update,
 147         .reta_query                 = iavf_dev_rss_reta_query,
 148         .rss_hash_update            = iavf_dev_rss_hash_update,
 149         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
 150         .rxq_info_get               = iavf_dev_rxq_info_get,
 151         .txq_info_get               = iavf_dev_txq_info_get,
 152         .mtu_set                    = iavf_dev_mtu_set,
 153         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
 154         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
 155         .filter_ctrl                = iavf_dev_filter_ctrl,
 156         .tx_done_cleanup            = iavf_dev_tx_done_cleanup,
 157 };
 158
 159 static int
 160 iavf_set_mc_addr_list(struct rte_eth_dev *dev,
 161                         struct rte_ether_addr *mc_addrs,
 162                         uint32_t mc_addrs_num)
 163 {
 164         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 165         struct iavf_adapter *adapter =
 166                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 167         int err;
 168
 169         /* flush previous addresses */
 170         err = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
 171                                         false);
 172         if (err)
 173                 return err;
 174
 175         vf->mc_addrs_num = 0;
 176
 177         /* add new ones */
 178         err = iavf_add_del_mc_addr_list(adapter, mc_addrs, mc_addrs_num, true);
 179         if (err)
 180                 return err;
 181
 182         vf->mc_addrs_num = mc_addrs_num;
 183         memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
 184
 185         return 0;
 186 }
 187
 188 static int
 189 iavf_init_rss(struct iavf_adapter *adapter)
 190 {
 191         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
 192         struct rte_eth_rss_conf *rss_conf;
 193         uint16_t i, j, nb_q;
 194         int ret;
 195
 196         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 197         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 198                        IAVF_MAX_NUM_QUEUES);
 199
 200         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 201                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 202                 return -ENOTSUP;
 203         }
 204         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 205                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 206                 /* set all lut items to default queue */
 207                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 208                         vf->rss_lut[i] = 0;
 209                 ret = iavf_configure_rss_lut(adapter);
 210                 return ret;
 211         }
 212
 213         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 214          * to set based on rss_conf->rss_hf.
 215          */
 216
 217         /* configure RSS key */
 218         if (!rss_conf->rss_key) {
 219                 /* Calculate the default hash key */
 220                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 221                         vf->rss_key[i] = (uint8_t)rte_rand();
 222         } else
 223                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 224                            RTE_MIN(rss_conf->rss_key_len,
 225                                    vf->vf_res->rss_key_size));
 226
 227         /* init RSS LUT table */
 228         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 229                 if (j >= nb_q)
 230                         j = 0;
 231                 vf->rss_lut[i] = j;
 232         }
 233         /* send virtchnnl ops to configure rss*/
 234         ret = iavf_configure_rss_lut(adapter);
 235         if (ret)
 236                 return ret;
 237         ret = iavf_configure_rss_key(adapter);
 238         if (ret)
 239                 return ret;
 240
 241         return 0;
 242 }
 243
 244 static int
 245 iavf_dev_configure(struct rte_eth_dev *dev)
 246 {
 247         struct iavf_adapter *ad =
 248                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 249         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 250         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 251
 252         ad->rx_bulk_alloc_allowed = true;
 253         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 254          * vector Rx/Tx preconditions, it will be reset.
 255          */
 256         ad->rx_vec_allowed = true;
 257         ad->tx_vec_allowed = true;
 258
 259         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
 260                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 261
 262         /* Vlan stripping setting */
 263         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 264                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 265                         iavf_enable_vlan_strip(ad);
 266                 else
 267                         iavf_disable_vlan_strip(ad);
 268         }
 269
 270         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 271                 if (iavf_init_rss(ad) != 0) {
 272                         PMD_DRV_LOG(ERR, "configure rss failed");
 273                         return -1;
 274                 }
 275         }
 276         return 0;
 277 }
 278
 279 static int
 280 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 281 {
 282         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 283         struct rte_eth_dev_data *dev_data = dev->data;
 284         uint16_t buf_size, max_pkt_len, len;
 285
 286         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 287
 288         /* Calculate the maximum packet length allowed */
 289         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
 290         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 291
 292         /* Check if the jumbo frame and maximum packet length are set
 293          * correctly.
 294          */
 295         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 296                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
 297                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
 298                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 299                                     "larger than %u and smaller than %u, "
 300                                     "as jumbo frame is enabled",
 301                                     (uint32_t)RTE_ETHER_MAX_LEN,
 302                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 303                         return -EINVAL;
 304                 }
 305         } else {
 306                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
 307                     max_pkt_len > RTE_ETHER_MAX_LEN) {
 308                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 309                                     "larger than %u and smaller than %u, "
 310                                     "as jumbo frame is disabled",
 311                                     (uint32_t)RTE_ETHER_MIN_LEN,
 312                                     (uint32_t)RTE_ETHER_MAX_LEN);
 313                         return -EINVAL;
 314                 }
 315         }
 316
 317         rxq->max_pkt_len = max_pkt_len;
 318         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 319             rxq->max_pkt_len > buf_size) {
 320                 dev_data->scattered_rx = 1;
 321         }
 322         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 323         IAVF_WRITE_FLUSH(hw);
 324
 325         return 0;
 326 }
 327
 328 static int
 329 iavf_init_queues(struct rte_eth_dev *dev)
 330 {
 331         struct iavf_rx_queue **rxq =
 332                 (struct iavf_rx_queue **)dev->data->rx_queues;
 333         int i, ret = IAVF_SUCCESS;
 334
 335         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 336                 if (!rxq[i] || !rxq[i]->q_set)
 337                         continue;
 338                 ret = iavf_init_rxq(dev, rxq[i]);
 339                 if (ret != IAVF_SUCCESS)
 340                         break;
 341         }
 342         /* set rx/tx function to vector/scatter/single-segment
 343          * according to parameters
 344          */
 345         iavf_set_rx_function(dev);
 346         iavf_set_tx_function(dev);
 347
 348         return ret;
 349 }
 350
 351 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 352                                      struct rte_intr_handle *intr_handle)
 353 {
 354         struct iavf_adapter *adapter =
 355                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 356         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 357         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 358         uint16_t interval, i;
 359         int vec;
 360
 361         if (rte_intr_cap_multiple(intr_handle) &&
 362             dev->data->dev_conf.intr_conf.rxq) {
 363                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 364                         return -1;
 365         }
 366
 367         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 368                 intr_handle->intr_vec =
 369                         rte_zmalloc("intr_vec",
 370                                     dev->data->nb_rx_queues * sizeof(int), 0);
 371                 if (!intr_handle->intr_vec) {
 372                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 373                                     dev->data->nb_rx_queues);
 374                         return -1;
 375                 }
 376         }
 377
 378         if (!dev->data->dev_conf.intr_conf.rxq ||
 379             !rte_intr_dp_is_en(intr_handle)) {
 380                 /* Rx interrupt disabled, Map interrupt only for writeback */
 381                 vf->nb_msix = 1;
 382                 if (vf->vf_res->vf_cap_flags &
 383                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 384                         /* If WB_ON_ITR supports, enable it */
 385                         vf->msix_base = IAVF_RX_VEC_START;
 386                         IAVF_WRITE_REG(hw,
 387                                        IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
 388                                        IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
 389                                        IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 390                 } else {
 391                         /* If no WB_ON_ITR offload flags, need to set
 392                          * interrupt for descriptor write back.
 393                          */
 394                         vf->msix_base = IAVF_MISC_VEC_ID;
 395
 396                         /* set ITR to max */
 397                         interval = iavf_calc_itr_interval(
 398                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
 399                         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
 400                                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 401                                        (IAVF_ITR_INDEX_DEFAULT <<
 402                                         IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 403                                        (interval <<
 404                                         IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
 405                 }
 406                 IAVF_WRITE_FLUSH(hw);
 407                 /* map all queues to the same interrupt */
 408                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 409                         vf->rxq_map[vf->msix_base] |= 1 << i;
 410         } else {
 411                 if (!rte_intr_allow_others(intr_handle)) {
 412                         vf->nb_msix = 1;
 413                         vf->msix_base = IAVF_MISC_VEC_ID;
 414                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 415                                 vf->rxq_map[vf->msix_base] |= 1 << i;
 416                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
 417                         }
 418                         PMD_DRV_LOG(DEBUG,
 419                                     "vector %u are mapping to all Rx queues",
 420                                     vf->msix_base);
 421                 } else {
 422                         /* If Rx interrupt is reuquired, and we can use
 423                          * multi interrupts, then the vec is from 1
 424                          */
 425                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 426                                               intr_handle->nb_efd);
 427                         vf->msix_base = IAVF_RX_VEC_START;
 428                         vec = IAVF_RX_VEC_START;
 429                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 430                                 vf->rxq_map[vec] |= 1 << i;
 431                                 intr_handle->intr_vec[i] = vec++;
 432                                 if (vec >= vf->nb_msix)
 433                                         vec = IAVF_RX_VEC_START;
 434                         }
 435                         PMD_DRV_LOG(DEBUG,
 436                                     "%u vectors are mapping to %u Rx queues",
 437                                     vf->nb_msix, dev->data->nb_rx_queues);
 438                 }
 439         }
 440
 441         if (iavf_config_irq_map(adapter)) {
 442                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 443                 return -1;
 444         }
 445         return 0;
 446 }
 447
 448 static int
 449 iavf_start_queues(struct rte_eth_dev *dev)
 450 {
 451         struct iavf_rx_queue *rxq;
 452         struct iavf_tx_queue *txq;
 453         int i;
 454
 455         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 456                 txq = dev->data->tx_queues[i];
 457                 if (txq->tx_deferred_start)
 458                         continue;
 459                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
 460                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 461                         return -1;
 462                 }
 463         }
 464
 465         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 466                 rxq = dev->data->rx_queues[i];
 467                 if (rxq->rx_deferred_start)
 468                         continue;
 469                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
 470                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 471                         return -1;
 472                 }
 473         }
 474
 475         return 0;
 476 }
 477
 478 static int
 479 iavf_dev_start(struct rte_eth_dev *dev)
 480 {
 481         struct iavf_adapter *adapter =
 482                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 483         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 484         struct rte_intr_handle *intr_handle = dev->intr_handle;
 485
 486         PMD_INIT_FUNC_TRACE();
 487
 488         adapter->stopped = 0;
 489
 490         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 491         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 492                                       dev->data->nb_tx_queues);
 493
 494         if (iavf_init_queues(dev) != 0) {
 495                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 496                 return -1;
 497         }
 498
 499         if (iavf_configure_queues(adapter) != 0) {
 500                 PMD_DRV_LOG(ERR, "configure queues failed");
 501                 goto err_queue;
 502         }
 503
 504         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 505                 PMD_DRV_LOG(ERR, "configure irq failed");
 506                 goto err_queue;
 507         }
 508         /* re-enable intr again, because efd assign may change */
 509         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 510                 rte_intr_disable(intr_handle);
 511                 rte_intr_enable(intr_handle);
 512         }
 513
 514         /* Set all mac addrs */
 515         iavf_add_del_all_mac_addr(adapter, true);
 516
 517         /* Set all multicast addresses */
 518         iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
 519                                   true);
 520
 521         if (iavf_start_queues(dev) != 0) {
 522                 PMD_DRV_LOG(ERR, "enable queues failed");
 523                 goto err_mac;
 524         }
 525
 526         return 0;
 527
 528 err_mac:
 529         iavf_add_del_all_mac_addr(adapter, false);
 530 err_queue:
 531         return -1;
 532 }
 533
 534 static int
 535 iavf_dev_stop(struct rte_eth_dev *dev)
 536 {
 537         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 538         struct iavf_adapter *adapter =
 539                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 540         struct rte_intr_handle *intr_handle = dev->intr_handle;
 541
 542         PMD_INIT_FUNC_TRACE();
 543
 544         if (adapter->stopped == 1)
 545                 return 0;
 546
 547         iavf_stop_queues(dev);
 548
 549         /* Disable the interrupt for Rx */
 550         rte_intr_efd_disable(intr_handle);
 551         /* Rx interrupt vector mapping free */
 552         if (intr_handle->intr_vec) {
 553                 rte_free(intr_handle->intr_vec);
 554                 intr_handle->intr_vec = NULL;
 555         }
 556
 557         /* remove all mac addrs */
 558         iavf_add_del_all_mac_addr(adapter, false);
 559
 560         /* remove all multicast addresses */
 561         iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
 562                                   false);
 563
 564         adapter->stopped = 1;
 565         dev->data->dev_started = 0;
 566
 567         return 0;
 568 }
 569
 570 static int
 571 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 572 {
 573         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 574
 575         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 576         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 577         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 578         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 579         dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD;
 580         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 581         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 582         dev_info->reta_size = vf->vf_res->rss_lut_size;
 583         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 584         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 585         dev_info->rx_offload_capa =
 586                 DEV_RX_OFFLOAD_VLAN_STRIP |
 587                 DEV_RX_OFFLOAD_QINQ_STRIP |
 588                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 589                 DEV_RX_OFFLOAD_UDP_CKSUM |
 590                 DEV_RX_OFFLOAD_TCP_CKSUM |
 591                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 592                 DEV_RX_OFFLOAD_SCATTER |
 593                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 594                 DEV_RX_OFFLOAD_VLAN_FILTER |
 595                 DEV_RX_OFFLOAD_RSS_HASH;
 596         dev_info->tx_offload_capa =
 597                 DEV_TX_OFFLOAD_VLAN_INSERT |
 598                 DEV_TX_OFFLOAD_QINQ_INSERT |
 599                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 600                 DEV_TX_OFFLOAD_UDP_CKSUM |
 601                 DEV_TX_OFFLOAD_TCP_CKSUM |
 602                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 603                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 604                 DEV_TX_OFFLOAD_TCP_TSO |
 605                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 606                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 607                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 608                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 609                 DEV_TX_OFFLOAD_MULTI_SEGS;
 610
 611         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 612                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 613                 .rx_drop_en = 0,
 614                 .offloads = 0,
 615         };
 616
 617         dev_info->default_txconf = (struct rte_eth_txconf) {
 618                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 619                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 620                 .offloads = 0,
 621         };
 622
 623         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 624                 .nb_max = IAVF_MAX_RING_DESC,
 625                 .nb_min = IAVF_MIN_RING_DESC,
 626                 .nb_align = IAVF_ALIGN_RING_DESC,
 627         };
 628
 629         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 630                 .nb_max = IAVF_MAX_RING_DESC,
 631                 .nb_min = IAVF_MIN_RING_DESC,
 632                 .nb_align = IAVF_ALIGN_RING_DESC,
 633         };
 634
 635         return 0;
 636 }
 637
 638 static const uint32_t *
 639 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 640 {
 641         static const uint32_t ptypes[] = {
 642                 RTE_PTYPE_L2_ETHER,
 643                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 644                 RTE_PTYPE_L4_FRAG,
 645                 RTE_PTYPE_L4_ICMP,
 646                 RTE_PTYPE_L4_NONFRAG,
 647                 RTE_PTYPE_L4_SCTP,
 648                 RTE_PTYPE_L4_TCP,
 649                 RTE_PTYPE_L4_UDP,
 650                 RTE_PTYPE_UNKNOWN
 651         };
 652         return ptypes;
 653 }
 654
 655 int
 656 iavf_dev_link_update(struct rte_eth_dev *dev,
 657                     __rte_unused int wait_to_complete)
 658 {
 659         struct rte_eth_link new_link;
 660         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 661
 662         memset(&new_link, 0, sizeof(new_link));
 663
 664         /* Only read status info stored in VF, and the info is updated
 665          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 666          */
 667         switch (vf->link_speed) {
 668         case 10:
 669                 new_link.link_speed = ETH_SPEED_NUM_10M;
 670                 break;
 671         case 100:
 672                 new_link.link_speed = ETH_SPEED_NUM_100M;
 673                 break;
 674         case 1000:
 675                 new_link.link_speed = ETH_SPEED_NUM_1G;
 676                 break;
 677         case 10000:
 678                 new_link.link_speed = ETH_SPEED_NUM_10G;
 679                 break;
 680         case 20000:
 681                 new_link.link_speed = ETH_SPEED_NUM_20G;
 682                 break;
 683         case 25000:
 684                 new_link.link_speed = ETH_SPEED_NUM_25G;
 685                 break;
 686         case 40000:
 687                 new_link.link_speed = ETH_SPEED_NUM_40G;
 688                 break;
 689         case 50000:
 690                 new_link.link_speed = ETH_SPEED_NUM_50G;
 691                 break;
 692         case 100000:
 693                 new_link.link_speed = ETH_SPEED_NUM_100G;
 694                 break;
 695         default:
 696                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 697                 break;
 698         }
 699
 700         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 701         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 702                                              ETH_LINK_DOWN;
 703         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 704                                 ETH_LINK_SPEED_FIXED);
 705
 706         return rte_eth_linkstatus_set(dev, &new_link);
 707 }
 708
 709 static int
 710 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 711 {
 712         struct iavf_adapter *adapter =
 713                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 714         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 715
 716         return iavf_config_promisc(adapter,
 717                                   true, vf->promisc_multicast_enabled);
 718 }
 719
 720 static int
 721 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 722 {
 723         struct iavf_adapter *adapter =
 724                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 725         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 726
 727         return iavf_config_promisc(adapter,
 728                                   false, vf->promisc_multicast_enabled);
 729 }
 730
 731 static int
 732 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 733 {
 734         struct iavf_adapter *adapter =
 735                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 736         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 737
 738         return iavf_config_promisc(adapter,
 739                                   vf->promisc_unicast_enabled, true);
 740 }
 741
 742 static int
 743 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 744 {
 745         struct iavf_adapter *adapter =
 746                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 747         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 748
 749         return iavf_config_promisc(adapter,
 750                                   vf->promisc_unicast_enabled, false);
 751 }
 752
 753 static int
 754 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 755                      __rte_unused uint32_t index,
 756                      __rte_unused uint32_t pool)
 757 {
 758         struct iavf_adapter *adapter =
 759                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 760         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 761         int err;
 762
 763         if (rte_is_zero_ether_addr(addr)) {
 764                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 765                 return -EINVAL;
 766         }
 767
 768         err = iavf_add_del_eth_addr(adapter, addr, true);
 769         if (err) {
 770                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 771                 return -EIO;
 772         }
 773
 774         vf->mac_num++;
 775
 776         return 0;
 777 }
 778
 779 static void
 780 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 781 {
 782         struct iavf_adapter *adapter =
 783                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 784         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 785         struct rte_ether_addr *addr;
 786         int err;
 787
 788         addr = &dev->data->mac_addrs[index];
 789
 790         err = iavf_add_del_eth_addr(adapter, addr, false);
 791         if (err)
 792                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 793
 794         vf->mac_num--;
 795 }
 796
 797 static int
 798 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 799 {
 800         struct iavf_adapter *adapter =
 801                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 802         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 803         int err;
 804
 805         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 806                 return -ENOTSUP;
 807
 808         err = iavf_add_del_vlan(adapter, vlan_id, on);
 809         if (err)
 810                 return -EIO;
 811         return 0;
 812 }
 813
 814 static int
 815 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 816 {
 817         struct iavf_adapter *adapter =
 818                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 819         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 820         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 821         int err;
 822
 823         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 824                 return -ENOTSUP;
 825
 826         /* Vlan stripping setting */
 827         if (mask & ETH_VLAN_STRIP_MASK) {
 828                 /* Enable or disable VLAN stripping */
 829                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 830                         err = iavf_enable_vlan_strip(adapter);
 831                 else
 832                         err = iavf_disable_vlan_strip(adapter);
 833
 834                 if (err)
 835                         return -EIO;
 836         }
 837         return 0;
 838 }
 839
 840 static int
 841 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 842                         struct rte_eth_rss_reta_entry64 *reta_conf,
 843                         uint16_t reta_size)
 844 {
 845         struct iavf_adapter *adapter =
 846                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 847         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 848         uint8_t *lut;
 849         uint16_t i, idx, shift;
 850         int ret;
 851
 852         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 853                 return -ENOTSUP;
 854
 855         if (reta_size != vf->vf_res->rss_lut_size) {
 856                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 857                         "(%d) doesn't match the number of hardware can "
 858                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 859                 return -EINVAL;
 860         }
 861
 862         lut = rte_zmalloc("rss_lut", reta_size, 0);
 863         if (!lut) {
 864                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 865                 return -ENOMEM;
 866         }
 867         /* store the old lut table temporarily */
 868         rte_memcpy(lut, vf->rss_lut, reta_size);
 869
 870         for (i = 0; i < reta_size; i++) {
 871                 idx = i / RTE_RETA_GROUP_SIZE;
 872                 shift = i % RTE_RETA_GROUP_SIZE;
 873                 if (reta_conf[idx].mask & (1ULL << shift))
 874                         lut[i] = reta_conf[idx].reta[shift];
 875         }
 876
 877         rte_memcpy(vf->rss_lut, lut, reta_size);
 878         /* send virtchnnl ops to configure rss*/
 879         ret = iavf_configure_rss_lut(adapter);
 880         if (ret) /* revert back */
 881                 rte_memcpy(vf->rss_lut, lut, reta_size);
 882         rte_free(lut);
 883
 884         return ret;
 885 }
 886
 887 static int
 888 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 889                        struct rte_eth_rss_reta_entry64 *reta_conf,
 890                        uint16_t reta_size)
 891 {
 892         struct iavf_adapter *adapter =
 893                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 894         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 895         uint16_t i, idx, shift;
 896
 897         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 898                 return -ENOTSUP;
 899
 900         if (reta_size != vf->vf_res->rss_lut_size) {
 901                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 902                         "(%d) doesn't match the number of hardware can "
 903                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 904                 return -EINVAL;
 905         }
 906
 907         for (i = 0; i < reta_size; i++) {
 908                 idx = i / RTE_RETA_GROUP_SIZE;
 909                 shift = i % RTE_RETA_GROUP_SIZE;
 910                 if (reta_conf[idx].mask & (1ULL << shift))
 911                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 912         }
 913
 914         return 0;
 915 }
 916
 917 static int
 918 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 919                         struct rte_eth_rss_conf *rss_conf)
 920 {
 921         struct iavf_adapter *adapter =
 922                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 923         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 924
 925         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 926                 return -ENOTSUP;
 927
 928         /* HENA setting, it is enabled by default, no change */
 929         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 930                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 931                 return 0;
 932         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 933                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 934                         "(%d) doesn't match the size of hardware can "
 935                         "support (%d)", rss_conf->rss_key_len,
 936                         vf->vf_res->rss_key_size);
 937                 return -EINVAL;
 938         }
 939
 940         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 941
 942         return iavf_configure_rss_key(adapter);
 943 }
 944
 945 static int
 946 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 947                           struct rte_eth_rss_conf *rss_conf)
 948 {
 949         struct iavf_adapter *adapter =
 950                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 951         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 952
 953         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 954                 return -ENOTSUP;
 955
 956          /* Just set it to default value now. */
 957         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 958
 959         if (!rss_conf->rss_key)
 960                 return 0;
 961
 962         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 963         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 964
 965         return 0;
 966 }
 967
 968 static int
 969 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 970 {
 971         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 972         int ret = 0;
 973
 974         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 975                 return -EINVAL;
 976
 977         /* mtu setting is forbidden if port is start */
 978         if (dev->data->dev_started) {
 979                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 980                 return -EBUSY;
 981         }
 982
 983         if (frame_size > RTE_ETHER_MAX_LEN)
 984                 dev->data->dev_conf.rxmode.offloads |=
 985                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 986         else
 987                 dev->data->dev_conf.rxmode.offloads &=
 988                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 989
 990         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 991
 992         return ret;
 993 }
 994
 995 static int
 996 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 997                              struct rte_ether_addr *mac_addr)
 998 {
 999         struct iavf_adapter *adapter =
1000                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1001         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1002         struct rte_ether_addr *perm_addr, *old_addr;
1003         int ret;
1004
1005         old_addr = (struct rte_ether_addr *)hw->mac.addr;
1006         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
1007
1008         /* If the MAC address is configured by host, skip the setting */
1009         if (rte_is_valid_assigned_ether_addr(perm_addr))
1010                 return -EPERM;
1011
1012         ret = iavf_add_del_eth_addr(adapter, old_addr, false);
1013         if (ret)
1014                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
1015                             " %02X:%02X:%02X:%02X:%02X:%02X",
1016                             old_addr->addr_bytes[0],
1017                             old_addr->addr_bytes[1],
1018                             old_addr->addr_bytes[2],
1019                             old_addr->addr_bytes[3],
1020                             old_addr->addr_bytes[4],
1021                             old_addr->addr_bytes[5]);
1022
1023         ret = iavf_add_del_eth_addr(adapter, mac_addr, true);
1024         if (ret)
1025                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
1026                             " %02X:%02X:%02X:%02X:%02X:%02X",
1027                             mac_addr->addr_bytes[0],
1028                             mac_addr->addr_bytes[1],
1029                             mac_addr->addr_bytes[2],
1030                             mac_addr->addr_bytes[3],
1031                             mac_addr->addr_bytes[4],
1032                             mac_addr->addr_bytes[5]);
1033
1034         if (ret)
1035                 return -EIO;
1036
1037         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1038         return 0;
1039 }
1040
1041 static void
1042 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1043 {
1044         if (*stat >= *offset)
1045                 *stat = *stat - *offset;
1046         else
1047                 *stat = (uint64_t)((*stat +
1048                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1049
1050         *stat &= IAVF_48_BIT_MASK;
1051 }
1052
1053 static void
1054 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1055 {
1056         if (*stat >= *offset)
1057                 *stat = (uint64_t)(*stat - *offset);
1058         else
1059                 *stat = (uint64_t)((*stat +
1060                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1061 }
1062
1063 static void
1064 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1065 {
1066         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1067
1068         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1069         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1070         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1071         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1072         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1073         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1074         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1075         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1076         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1077         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1078         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1079 }
1080
1081 static int
1082 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1083 {
1084         struct iavf_adapter *adapter =
1085                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1086         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1087         struct iavf_vsi *vsi = &vf->vsi;
1088         struct virtchnl_eth_stats *pstats = NULL;
1089         int ret;
1090
1091         ret = iavf_query_stats(adapter, &pstats);
1092         if (ret == 0) {
1093                 iavf_update_stats(vsi, pstats);
1094                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1095                                 pstats->rx_broadcast - pstats->rx_discards;
1096                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1097                                                 pstats->tx_unicast;
1098                 stats->imissed = pstats->rx_discards;
1099                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1100                 stats->ibytes = pstats->rx_bytes;
1101                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1102                 stats->obytes = pstats->tx_bytes;
1103         } else {
1104                 PMD_DRV_LOG(ERR, "Get statistics failed");
1105         }
1106         return ret;
1107 }
1108
1109 static int
1110 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1111 {
1112         int ret;
1113         struct iavf_adapter *adapter =
1114                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1115         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1116         struct iavf_vsi *vsi = &vf->vsi;
1117         struct virtchnl_eth_stats *pstats = NULL;
1118
1119         /* read stat values to clear hardware registers */
1120         ret = iavf_query_stats(adapter, &pstats);
1121         if (ret != 0)
1122                 return ret;
1123
1124         /* set stats offset base on current values */
1125         vsi->eth_stats_offset = *pstats;
1126
1127         return 0;
1128 }
1129
1130 static int iavf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1131                                       struct rte_eth_xstat_name *xstats_names,
1132                                       __rte_unused unsigned int limit)
1133 {
1134         unsigned int i;
1135
1136         if (xstats_names != NULL)
1137                 for (i = 0; i < IAVF_NB_XSTATS; i++) {
1138                         snprintf(xstats_names[i].name,
1139                                 sizeof(xstats_names[i].name),
1140                                 "%s", rte_iavf_stats_strings[i].name);
1141                 }
1142         return IAVF_NB_XSTATS;
1143 }
1144
1145 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
1146                                  struct rte_eth_xstat *xstats, unsigned int n)
1147 {
1148         int ret;
1149         unsigned int i;
1150         struct iavf_adapter *adapter =
1151                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1152         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1153         struct iavf_vsi *vsi = &vf->vsi;
1154         struct virtchnl_eth_stats *pstats = NULL;
1155
1156         if (n < IAVF_NB_XSTATS)
1157                 return IAVF_NB_XSTATS;
1158
1159         ret = iavf_query_stats(adapter, &pstats);
1160         if (ret != 0)
1161                 return 0;
1162
1163         if (!xstats)
1164                 return 0;
1165
1166         iavf_update_stats(vsi, pstats);
1167
1168         /* loop over xstats array and values from pstats */
1169         for (i = 0; i < IAVF_NB_XSTATS; i++) {
1170                 xstats[i].id = i;
1171                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
1172                         rte_iavf_stats_strings[i].offset);
1173         }
1174
1175         return IAVF_NB_XSTATS;
1176 }
1177
1178
1179 static int
1180 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1181 {
1182         struct iavf_adapter *adapter =
1183                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1184         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1185         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1186         uint16_t msix_intr;
1187
1188         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1189         if (msix_intr == IAVF_MISC_VEC_ID) {
1190                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1191                 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1192                                IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1193                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1194                                IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1195         } else {
1196                 IAVF_WRITE_REG(hw,
1197                                IAVF_VFINT_DYN_CTLN1
1198                                 (msix_intr - IAVF_RX_VEC_START),
1199                                IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1200                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1201                                IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1202         }
1203
1204         IAVF_WRITE_FLUSH(hw);
1205
1206         rte_intr_ack(&pci_dev->intr_handle);
1207
1208         return 0;
1209 }
1210
1211 static int
1212 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1213 {
1214         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1215         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1216         uint16_t msix_intr;
1217
1218         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1219         if (msix_intr == IAVF_MISC_VEC_ID) {
1220                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1221                 return -EIO;
1222         }
1223
1224         IAVF_WRITE_REG(hw,
1225                       IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1226                       0);
1227
1228         IAVF_WRITE_FLUSH(hw);
1229         return 0;
1230 }
1231
1232 static int
1233 iavf_check_vf_reset_done(struct iavf_hw *hw)
1234 {
1235         int i, reset;
1236
1237         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1238                 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1239                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1240                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1241                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1242                     reset == VIRTCHNL_VFR_COMPLETED)
1243                         break;
1244                 rte_delay_ms(20);
1245         }
1246
1247         if (i >= IAVF_RESET_WAIT_CNT)
1248                 return -1;
1249
1250         return 0;
1251 }
1252
1253 static int
1254 iavf_init_vf(struct rte_eth_dev *dev)
1255 {
1256         int err, bufsz;
1257         struct iavf_adapter *adapter =
1258                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1259         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1260         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1261
1262         err = iavf_set_mac_type(hw);
1263         if (err) {
1264                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1265                 goto err;
1266         }
1267
1268         err = iavf_check_vf_reset_done(hw);
1269         if (err) {
1270                 PMD_INIT_LOG(ERR, "VF is still resetting");
1271                 goto err;
1272         }
1273
1274         iavf_init_adminq_parameter(hw);
1275         err = iavf_init_adminq(hw);
1276         if (err) {
1277                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1278                 goto err;
1279         }
1280
1281         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1282         if (!vf->aq_resp) {
1283                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1284                 goto err_aq;
1285         }
1286         if (iavf_check_api_version(adapter) != 0) {
1287                 PMD_INIT_LOG(ERR, "check_api version failed");
1288                 goto err_api;
1289         }
1290
1291         bufsz = sizeof(struct virtchnl_vf_resource) +
1292                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1293         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1294         if (!vf->vf_res) {
1295                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1296                 goto err_api;
1297         }
1298         if (iavf_get_vf_resource(adapter) != 0) {
1299                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1300                 goto err_alloc;
1301         }
1302         /* Allocate memort for RSS info */
1303         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1304                 vf->rss_key = rte_zmalloc("rss_key",
1305                                           vf->vf_res->rss_key_size, 0);
1306                 if (!vf->rss_key) {
1307                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1308                         goto err_rss;
1309                 }
1310                 vf->rss_lut = rte_zmalloc("rss_lut",
1311                                           vf->vf_res->rss_lut_size, 0);
1312                 if (!vf->rss_lut) {
1313                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1314                         goto err_rss;
1315                 }
1316         }
1317
1318         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1319                 if (iavf_get_supported_rxdid(adapter) != 0) {
1320                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
1321                         goto err_rss;
1322                 }
1323         }
1324
1325         return 0;
1326 err_rss:
1327         rte_free(vf->rss_key);
1328         rte_free(vf->rss_lut);
1329 err_alloc:
1330         rte_free(vf->vf_res);
1331         vf->vsi_res = NULL;
1332 err_api:
1333         rte_free(vf->aq_resp);
1334 err_aq:
1335         iavf_shutdown_adminq(hw);
1336 err:
1337         return -1;
1338 }
1339
1340 /* Enable default admin queue interrupt setting */
1341 static inline void
1342 iavf_enable_irq0(struct iavf_hw *hw)
1343 {
1344         /* Enable admin queue interrupt trigger */
1345         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
1346                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
1347
1348         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1349                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1350                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1351                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1352
1353         IAVF_WRITE_FLUSH(hw);
1354 }
1355
1356 static inline void
1357 iavf_disable_irq0(struct iavf_hw *hw)
1358 {
1359         /* Disable all interrupt types */
1360         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
1361         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1362                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1363         IAVF_WRITE_FLUSH(hw);
1364 }
1365
1366 static void
1367 iavf_dev_interrupt_handler(void *param)
1368 {
1369         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1370         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1371
1372         iavf_disable_irq0(hw);
1373
1374         iavf_handle_virtchnl_msg(dev);
1375
1376         iavf_enable_irq0(hw);
1377 }
1378
1379 static int
1380 iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
1381                      enum rte_filter_type filter_type,
1382                      enum rte_filter_op filter_op,
1383                      void *arg)
1384 {
1385         int ret = 0;
1386
1387         if (!dev)
1388                 return -EINVAL;
1389
1390         switch (filter_type) {
1391         case RTE_ETH_FILTER_GENERIC:
1392                 if (filter_op != RTE_ETH_FILTER_GET)
1393                         return -EINVAL;
1394                 *(const void **)arg = &iavf_flow_ops;
1395                 break;
1396         default:
1397                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
1398                             filter_type);
1399                 ret = -EINVAL;
1400                 break;
1401         }
1402
1403         return ret;
1404 }
1405
1406
1407 static int
1408 iavf_dev_init(struct rte_eth_dev *eth_dev)
1409 {
1410         struct iavf_adapter *adapter =
1411                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1412         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1413         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1414         int ret = 0;
1415
1416         PMD_INIT_FUNC_TRACE();
1417
1418         /* assign ops func pointer */
1419         eth_dev->dev_ops = &iavf_eth_dev_ops;
1420         eth_dev->rx_queue_count = iavf_dev_rxq_count;
1421         eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status;
1422         eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status;
1423         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1424         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1425         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1426
1427         /* For secondary processes, we don't initialise any further as primary
1428          * has already done this work. Only check if we need a different RX
1429          * and TX function.
1430          */
1431         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1432                 iavf_set_rx_function(eth_dev);
1433                 iavf_set_tx_function(eth_dev);
1434                 return 0;
1435         }
1436         rte_eth_copy_pci_info(eth_dev, pci_dev);
1437         eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
1438
1439         hw->vendor_id = pci_dev->id.vendor_id;
1440         hw->device_id = pci_dev->id.device_id;
1441         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1442         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1443         hw->bus.bus_id = pci_dev->addr.bus;
1444         hw->bus.device = pci_dev->addr.devid;
1445         hw->bus.func = pci_dev->addr.function;
1446         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1447         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1448         adapter->eth_dev = eth_dev;
1449         adapter->stopped = 1;
1450
1451         if (iavf_init_vf(eth_dev) != 0) {
1452                 PMD_INIT_LOG(ERR, "Init vf failed");
1453                 return -1;
1454         }
1455
1456         /* set default ptype table */
1457         adapter->ptype_tbl = iavf_get_default_ptype_table();
1458
1459         /* copy mac addr */
1460         eth_dev->data->mac_addrs = rte_zmalloc(
1461                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1462         if (!eth_dev->data->mac_addrs) {
1463                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1464                              " store MAC addresses",
1465                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1466                 return -ENOMEM;
1467         }
1468         /* If the MAC address is not configured by host,
1469          * generate a random one.
1470          */
1471         if (!rte_is_valid_assigned_ether_addr(
1472                         (struct rte_ether_addr *)hw->mac.addr))
1473                 rte_eth_random_addr(hw->mac.addr);
1474         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1475                         &eth_dev->data->mac_addrs[0]);
1476
1477         /* register callback func to eal lib */
1478         rte_intr_callback_register(&pci_dev->intr_handle,
1479                                    iavf_dev_interrupt_handler,
1480                                    (void *)eth_dev);
1481
1482         /* enable uio intr after callback register */
1483         rte_intr_enable(&pci_dev->intr_handle);
1484
1485         /* configure and enable device interrupt */
1486         iavf_enable_irq0(hw);
1487
1488         ret = iavf_flow_init(adapter);
1489         if (ret) {
1490                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
1491                 return ret;
1492         }
1493
1494         return 0;
1495 }
1496
1497 static int
1498 iavf_dev_close(struct rte_eth_dev *dev)
1499 {
1500         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1501         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1502         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1503         struct iavf_adapter *adapter =
1504                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1505         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1506         int ret;
1507
1508         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1509                 return 0;
1510
1511         ret = iavf_dev_stop(dev);
1512
1513         iavf_flow_flush(dev, NULL);
1514         iavf_flow_uninit(adapter);
1515
1516         /*
1517          * disable promiscuous mode before reset vf
1518          * it is a workaround solution when work with kernel driver
1519          * and it is not the normal way
1520          */
1521         if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
1522                 iavf_config_promisc(adapter, false, false);
1523
1524         iavf_shutdown_adminq(hw);
1525         /* disable uio intr before callback unregister */
1526         rte_intr_disable(intr_handle);
1527
1528         /* unregister callback func from eal lib */
1529         rte_intr_callback_unregister(intr_handle,
1530                                      iavf_dev_interrupt_handler, dev);
1531         iavf_disable_irq0(hw);
1532
1533         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1534                 if (vf->rss_lut) {
1535                         rte_free(vf->rss_lut);
1536                         vf->rss_lut = NULL;
1537                 }
1538                 if (vf->rss_key) {
1539                         rte_free(vf->rss_key);
1540                         vf->rss_key = NULL;
1541                 }
1542         }
1543
1544         rte_free(vf->vf_res);
1545         vf->vsi_res = NULL;
1546         vf->vf_res = NULL;
1547
1548         rte_free(vf->aq_resp);
1549         vf->aq_resp = NULL;
1550
1551         vf->vf_reset = false;
1552
1553         return ret;
1554 }
1555
1556 static int
1557 iavf_dev_uninit(struct rte_eth_dev *dev)
1558 {
1559         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1560                 return -EPERM;
1561
1562         iavf_dev_close(dev);
1563
1564         return 0;
1565 }
1566
1567 /*
1568  * Reset VF device only to re-initialize resources in PMD layer
1569  */
1570 static int
1571 iavf_dev_reset(struct rte_eth_dev *dev)
1572 {
1573         int ret;
1574
1575         ret = iavf_dev_uninit(dev);
1576         if (ret)
1577                 return ret;
1578
1579         return iavf_dev_init(dev);
1580 }
1581
1582 static int
1583 iavf_dcf_cap_check_handler(__rte_unused const char *key,
1584                            const char *value, __rte_unused void *opaque)
1585 {
1586         if (strcmp(value, "dcf"))
1587                 return -1;
1588
1589         return 0;
1590 }
1591
1592 static int
1593 iavf_dcf_cap_selected(struct rte_devargs *devargs)
1594 {
1595         struct rte_kvargs *kvlist;
1596         const char *key = "cap";
1597         int ret = 0;
1598
1599         if (devargs == NULL)
1600                 return 0;
1601
1602         kvlist = rte_kvargs_parse(devargs->args, NULL);
1603         if (kvlist == NULL)
1604                 return 0;
1605
1606         if (!rte_kvargs_count(kvlist, key))
1607                 goto exit;
1608
1609         /* dcf capability selected when there's a key-value pair: cap=dcf */
1610         if (rte_kvargs_process(kvlist, key,
1611                                iavf_dcf_cap_check_handler, NULL) < 0)
1612                 goto exit;
1613
1614         ret = 1;
1615
1616 exit:
1617         rte_kvargs_free(kvlist);
1618         return ret;
1619 }
1620
1621 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1622                              struct rte_pci_device *pci_dev)
1623 {
1624         if (iavf_dcf_cap_selected(pci_dev->device.devargs))
1625                 return 1;
1626
1627         return rte_eth_dev_pci_generic_probe(pci_dev,
1628                 sizeof(struct iavf_adapter), iavf_dev_init);
1629 }
1630
1631 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1632 {
1633         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1634 }
1635
1636 /* Adaptive virtual function driver struct */
1637 static struct rte_pci_driver rte_iavf_pmd = {
1638         .id_table = pci_id_iavf_map,
1639         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1640         .probe = eth_iavf_pci_probe,
1641         .remove = eth_iavf_pci_remove,
1642 };
1643
1644 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1645 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1646 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1647 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
1648 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
1649 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
1650 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1651 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
1652 #endif
1653 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1654 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
1655 #endif
1656 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1657 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG);
1658 #endif