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 void 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 void
 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;
 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 }
 566
 567 static int
 568 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 569 {
 570         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 571
 572         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 573         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 574         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 575         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 576         dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD;
 577         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 578         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 579         dev_info->reta_size = vf->vf_res->rss_lut_size;
 580         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 581         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 582         dev_info->rx_offload_capa =
 583                 DEV_RX_OFFLOAD_VLAN_STRIP |
 584                 DEV_RX_OFFLOAD_QINQ_STRIP |
 585                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 586                 DEV_RX_OFFLOAD_UDP_CKSUM |
 587                 DEV_RX_OFFLOAD_TCP_CKSUM |
 588                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 589                 DEV_RX_OFFLOAD_SCATTER |
 590                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 591                 DEV_RX_OFFLOAD_VLAN_FILTER |
 592                 DEV_RX_OFFLOAD_RSS_HASH;
 593         dev_info->tx_offload_capa =
 594                 DEV_TX_OFFLOAD_VLAN_INSERT |
 595                 DEV_TX_OFFLOAD_QINQ_INSERT |
 596                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 597                 DEV_TX_OFFLOAD_UDP_CKSUM |
 598                 DEV_TX_OFFLOAD_TCP_CKSUM |
 599                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 600                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 601                 DEV_TX_OFFLOAD_TCP_TSO |
 602                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 603                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 604                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 605                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 606                 DEV_TX_OFFLOAD_MULTI_SEGS;
 607
 608         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 609                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 610                 .rx_drop_en = 0,
 611                 .offloads = 0,
 612         };
 613
 614         dev_info->default_txconf = (struct rte_eth_txconf) {
 615                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 616                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 617                 .offloads = 0,
 618         };
 619
 620         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 621                 .nb_max = IAVF_MAX_RING_DESC,
 622                 .nb_min = IAVF_MIN_RING_DESC,
 623                 .nb_align = IAVF_ALIGN_RING_DESC,
 624         };
 625
 626         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 627                 .nb_max = IAVF_MAX_RING_DESC,
 628                 .nb_min = IAVF_MIN_RING_DESC,
 629                 .nb_align = IAVF_ALIGN_RING_DESC,
 630         };
 631
 632         return 0;
 633 }
 634
 635 static const uint32_t *
 636 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 637 {
 638         static const uint32_t ptypes[] = {
 639                 RTE_PTYPE_L2_ETHER,
 640                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 641                 RTE_PTYPE_L4_FRAG,
 642                 RTE_PTYPE_L4_ICMP,
 643                 RTE_PTYPE_L4_NONFRAG,
 644                 RTE_PTYPE_L4_SCTP,
 645                 RTE_PTYPE_L4_TCP,
 646                 RTE_PTYPE_L4_UDP,
 647                 RTE_PTYPE_UNKNOWN
 648         };
 649         return ptypes;
 650 }
 651
 652 int
 653 iavf_dev_link_update(struct rte_eth_dev *dev,
 654                     __rte_unused int wait_to_complete)
 655 {
 656         struct rte_eth_link new_link;
 657         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 658
 659         memset(&new_link, 0, sizeof(new_link));
 660
 661         /* Only read status info stored in VF, and the info is updated
 662          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 663          */
 664         switch (vf->link_speed) {
 665         case 10:
 666                 new_link.link_speed = ETH_SPEED_NUM_10M;
 667                 break;
 668         case 100:
 669                 new_link.link_speed = ETH_SPEED_NUM_100M;
 670                 break;
 671         case 1000:
 672                 new_link.link_speed = ETH_SPEED_NUM_1G;
 673                 break;
 674         case 10000:
 675                 new_link.link_speed = ETH_SPEED_NUM_10G;
 676                 break;
 677         case 20000:
 678                 new_link.link_speed = ETH_SPEED_NUM_20G;
 679                 break;
 680         case 25000:
 681                 new_link.link_speed = ETH_SPEED_NUM_25G;
 682                 break;
 683         case 40000:
 684                 new_link.link_speed = ETH_SPEED_NUM_40G;
 685                 break;
 686         case 50000:
 687                 new_link.link_speed = ETH_SPEED_NUM_50G;
 688                 break;
 689         case 100000:
 690                 new_link.link_speed = ETH_SPEED_NUM_100G;
 691                 break;
 692         default:
 693                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 694                 break;
 695         }
 696
 697         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 698         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 699                                              ETH_LINK_DOWN;
 700         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 701                                 ETH_LINK_SPEED_FIXED);
 702
 703         return rte_eth_linkstatus_set(dev, &new_link);
 704 }
 705
 706 static int
 707 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 708 {
 709         struct iavf_adapter *adapter =
 710                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 711         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 712
 713         return iavf_config_promisc(adapter,
 714                                   true, vf->promisc_multicast_enabled);
 715 }
 716
 717 static int
 718 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 719 {
 720         struct iavf_adapter *adapter =
 721                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 722         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 723
 724         return iavf_config_promisc(adapter,
 725                                   false, vf->promisc_multicast_enabled);
 726 }
 727
 728 static int
 729 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 730 {
 731         struct iavf_adapter *adapter =
 732                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 733         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 734
 735         return iavf_config_promisc(adapter,
 736                                   vf->promisc_unicast_enabled, true);
 737 }
 738
 739 static int
 740 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 741 {
 742         struct iavf_adapter *adapter =
 743                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 744         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 745
 746         return iavf_config_promisc(adapter,
 747                                   vf->promisc_unicast_enabled, false);
 748 }
 749
 750 static int
 751 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 752                      __rte_unused uint32_t index,
 753                      __rte_unused uint32_t pool)
 754 {
 755         struct iavf_adapter *adapter =
 756                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 757         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 758         int err;
 759
 760         if (rte_is_zero_ether_addr(addr)) {
 761                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 762                 return -EINVAL;
 763         }
 764
 765         err = iavf_add_del_eth_addr(adapter, addr, true);
 766         if (err) {
 767                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 768                 return -EIO;
 769         }
 770
 771         vf->mac_num++;
 772
 773         return 0;
 774 }
 775
 776 static void
 777 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 778 {
 779         struct iavf_adapter *adapter =
 780                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 781         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 782         struct rte_ether_addr *addr;
 783         int err;
 784
 785         addr = &dev->data->mac_addrs[index];
 786
 787         err = iavf_add_del_eth_addr(adapter, addr, false);
 788         if (err)
 789                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 790
 791         vf->mac_num--;
 792 }
 793
 794 static int
 795 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 796 {
 797         struct iavf_adapter *adapter =
 798                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 799         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 800         int err;
 801
 802         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 803                 return -ENOTSUP;
 804
 805         err = iavf_add_del_vlan(adapter, vlan_id, on);
 806         if (err)
 807                 return -EIO;
 808         return 0;
 809 }
 810
 811 static int
 812 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 813 {
 814         struct iavf_adapter *adapter =
 815                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 816         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 817         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 818         int err;
 819
 820         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 821                 return -ENOTSUP;
 822
 823         /* Vlan stripping setting */
 824         if (mask & ETH_VLAN_STRIP_MASK) {
 825                 /* Enable or disable VLAN stripping */
 826                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 827                         err = iavf_enable_vlan_strip(adapter);
 828                 else
 829                         err = iavf_disable_vlan_strip(adapter);
 830
 831                 if (err)
 832                         return -EIO;
 833         }
 834         return 0;
 835 }
 836
 837 static int
 838 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 839                         struct rte_eth_rss_reta_entry64 *reta_conf,
 840                         uint16_t reta_size)
 841 {
 842         struct iavf_adapter *adapter =
 843                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 844         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 845         uint8_t *lut;
 846         uint16_t i, idx, shift;
 847         int ret;
 848
 849         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 850                 return -ENOTSUP;
 851
 852         if (reta_size != vf->vf_res->rss_lut_size) {
 853                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 854                         "(%d) doesn't match the number of hardware can "
 855                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 856                 return -EINVAL;
 857         }
 858
 859         lut = rte_zmalloc("rss_lut", reta_size, 0);
 860         if (!lut) {
 861                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 862                 return -ENOMEM;
 863         }
 864         /* store the old lut table temporarily */
 865         rte_memcpy(lut, vf->rss_lut, reta_size);
 866
 867         for (i = 0; i < reta_size; i++) {
 868                 idx = i / RTE_RETA_GROUP_SIZE;
 869                 shift = i % RTE_RETA_GROUP_SIZE;
 870                 if (reta_conf[idx].mask & (1ULL << shift))
 871                         lut[i] = reta_conf[idx].reta[shift];
 872         }
 873
 874         rte_memcpy(vf->rss_lut, lut, reta_size);
 875         /* send virtchnnl ops to configure rss*/
 876         ret = iavf_configure_rss_lut(adapter);
 877         if (ret) /* revert back */
 878                 rte_memcpy(vf->rss_lut, lut, reta_size);
 879         rte_free(lut);
 880
 881         return ret;
 882 }
 883
 884 static int
 885 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 886                        struct rte_eth_rss_reta_entry64 *reta_conf,
 887                        uint16_t reta_size)
 888 {
 889         struct iavf_adapter *adapter =
 890                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 891         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 892         uint16_t i, idx, shift;
 893
 894         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 895                 return -ENOTSUP;
 896
 897         if (reta_size != vf->vf_res->rss_lut_size) {
 898                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 899                         "(%d) doesn't match the number of hardware can "
 900                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 901                 return -EINVAL;
 902         }
 903
 904         for (i = 0; i < reta_size; i++) {
 905                 idx = i / RTE_RETA_GROUP_SIZE;
 906                 shift = i % RTE_RETA_GROUP_SIZE;
 907                 if (reta_conf[idx].mask & (1ULL << shift))
 908                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 909         }
 910
 911         return 0;
 912 }
 913
 914 static int
 915 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 916                         struct rte_eth_rss_conf *rss_conf)
 917 {
 918         struct iavf_adapter *adapter =
 919                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 920         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 921
 922         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 923                 return -ENOTSUP;
 924
 925         /* HENA setting, it is enabled by default, no change */
 926         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 927                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 928                 return 0;
 929         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 930                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 931                         "(%d) doesn't match the size of hardware can "
 932                         "support (%d)", rss_conf->rss_key_len,
 933                         vf->vf_res->rss_key_size);
 934                 return -EINVAL;
 935         }
 936
 937         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 938
 939         return iavf_configure_rss_key(adapter);
 940 }
 941
 942 static int
 943 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 944                           struct rte_eth_rss_conf *rss_conf)
 945 {
 946         struct iavf_adapter *adapter =
 947                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 948         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 949
 950         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 951                 return -ENOTSUP;
 952
 953          /* Just set it to default value now. */
 954         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 955
 956         if (!rss_conf->rss_key)
 957                 return 0;
 958
 959         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 960         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 961
 962         return 0;
 963 }
 964
 965 static int
 966 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 967 {
 968         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 969         int ret = 0;
 970
 971         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 972                 return -EINVAL;
 973
 974         /* mtu setting is forbidden if port is start */
 975         if (dev->data->dev_started) {
 976                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 977                 return -EBUSY;
 978         }
 979
 980         if (frame_size > RTE_ETHER_MAX_LEN)
 981                 dev->data->dev_conf.rxmode.offloads |=
 982                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 983         else
 984                 dev->data->dev_conf.rxmode.offloads &=
 985                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 986
 987         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 988
 989         return ret;
 990 }
 991
 992 static int
 993 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 994                              struct rte_ether_addr *mac_addr)
 995 {
 996         struct iavf_adapter *adapter =
 997                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 998         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 999         struct rte_ether_addr *perm_addr, *old_addr;
1000         int ret;
1001
1002         old_addr = (struct rte_ether_addr *)hw->mac.addr;
1003         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
1004
1005         /* If the MAC address is configured by host, skip the setting */
1006         if (rte_is_valid_assigned_ether_addr(perm_addr))
1007                 return -EPERM;
1008
1009         ret = iavf_add_del_eth_addr(adapter, old_addr, false);
1010         if (ret)
1011                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
1012                             " %02X:%02X:%02X:%02X:%02X:%02X",
1013                             old_addr->addr_bytes[0],
1014                             old_addr->addr_bytes[1],
1015                             old_addr->addr_bytes[2],
1016                             old_addr->addr_bytes[3],
1017                             old_addr->addr_bytes[4],
1018                             old_addr->addr_bytes[5]);
1019
1020         ret = iavf_add_del_eth_addr(adapter, mac_addr, true);
1021         if (ret)
1022                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
1023                             " %02X:%02X:%02X:%02X:%02X:%02X",
1024                             mac_addr->addr_bytes[0],
1025                             mac_addr->addr_bytes[1],
1026                             mac_addr->addr_bytes[2],
1027                             mac_addr->addr_bytes[3],
1028                             mac_addr->addr_bytes[4],
1029                             mac_addr->addr_bytes[5]);
1030
1031         if (ret)
1032                 return -EIO;
1033
1034         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1035         return 0;
1036 }
1037
1038 static void
1039 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1040 {
1041         if (*stat >= *offset)
1042                 *stat = *stat - *offset;
1043         else
1044                 *stat = (uint64_t)((*stat +
1045                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1046
1047         *stat &= IAVF_48_BIT_MASK;
1048 }
1049
1050 static void
1051 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1052 {
1053         if (*stat >= *offset)
1054                 *stat = (uint64_t)(*stat - *offset);
1055         else
1056                 *stat = (uint64_t)((*stat +
1057                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1058 }
1059
1060 static void
1061 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1062 {
1063         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1064
1065         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1066         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1067         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1068         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1069         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1070         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1071         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1072         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1073         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1074         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1075         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1076 }
1077
1078 static int
1079 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1080 {
1081         struct iavf_adapter *adapter =
1082                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1083         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1084         struct iavf_vsi *vsi = &vf->vsi;
1085         struct virtchnl_eth_stats *pstats = NULL;
1086         int ret;
1087
1088         ret = iavf_query_stats(adapter, &pstats);
1089         if (ret == 0) {
1090                 iavf_update_stats(vsi, pstats);
1091                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1092                                 pstats->rx_broadcast - pstats->rx_discards;
1093                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1094                                                 pstats->tx_unicast;
1095                 stats->imissed = pstats->rx_discards;
1096                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1097                 stats->ibytes = pstats->rx_bytes;
1098                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1099                 stats->obytes = pstats->tx_bytes;
1100         } else {
1101                 PMD_DRV_LOG(ERR, "Get statistics failed");
1102         }
1103         return ret;
1104 }
1105
1106 static int
1107 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1108 {
1109         int ret;
1110         struct iavf_adapter *adapter =
1111                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1112         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1113         struct iavf_vsi *vsi = &vf->vsi;
1114         struct virtchnl_eth_stats *pstats = NULL;
1115
1116         /* read stat values to clear hardware registers */
1117         ret = iavf_query_stats(adapter, &pstats);
1118         if (ret != 0)
1119                 return ret;
1120
1121         /* set stats offset base on current values */
1122         vsi->eth_stats_offset = *pstats;
1123
1124         return 0;
1125 }
1126
1127 static int iavf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1128                                       struct rte_eth_xstat_name *xstats_names,
1129                                       __rte_unused unsigned int limit)
1130 {
1131         unsigned int i;
1132
1133         if (xstats_names != NULL)
1134                 for (i = 0; i < IAVF_NB_XSTATS; i++) {
1135                         snprintf(xstats_names[i].name,
1136                                 sizeof(xstats_names[i].name),
1137                                 "%s", rte_iavf_stats_strings[i].name);
1138                 }
1139         return IAVF_NB_XSTATS;
1140 }
1141
1142 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
1143                                  struct rte_eth_xstat *xstats, unsigned int n)
1144 {
1145         int ret;
1146         unsigned int i;
1147         struct iavf_adapter *adapter =
1148                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1149         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1150         struct iavf_vsi *vsi = &vf->vsi;
1151         struct virtchnl_eth_stats *pstats = NULL;
1152
1153         if (n < IAVF_NB_XSTATS)
1154                 return IAVF_NB_XSTATS;
1155
1156         ret = iavf_query_stats(adapter, &pstats);
1157         if (ret != 0)
1158                 return 0;
1159
1160         if (!xstats)
1161                 return 0;
1162
1163         iavf_update_stats(vsi, pstats);
1164
1165         /* loop over xstats array and values from pstats */
1166         for (i = 0; i < IAVF_NB_XSTATS; i++) {
1167                 xstats[i].id = i;
1168                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
1169                         rte_iavf_stats_strings[i].offset);
1170         }
1171
1172         return IAVF_NB_XSTATS;
1173 }
1174
1175
1176 static int
1177 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1178 {
1179         struct iavf_adapter *adapter =
1180                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1181         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1182         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1183         uint16_t msix_intr;
1184
1185         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1186         if (msix_intr == IAVF_MISC_VEC_ID) {
1187                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1188                 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1189                                IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1190                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1191                                IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1192         } else {
1193                 IAVF_WRITE_REG(hw,
1194                                IAVF_VFINT_DYN_CTLN1
1195                                 (msix_intr - IAVF_RX_VEC_START),
1196                                IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1197                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1198                                IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1199         }
1200
1201         IAVF_WRITE_FLUSH(hw);
1202
1203         rte_intr_ack(&pci_dev->intr_handle);
1204
1205         return 0;
1206 }
1207
1208 static int
1209 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1210 {
1211         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1212         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1213         uint16_t msix_intr;
1214
1215         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1216         if (msix_intr == IAVF_MISC_VEC_ID) {
1217                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1218                 return -EIO;
1219         }
1220
1221         IAVF_WRITE_REG(hw,
1222                       IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1223                       0);
1224
1225         IAVF_WRITE_FLUSH(hw);
1226         return 0;
1227 }
1228
1229 static int
1230 iavf_check_vf_reset_done(struct iavf_hw *hw)
1231 {
1232         int i, reset;
1233
1234         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1235                 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1236                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1237                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1238                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1239                     reset == VIRTCHNL_VFR_COMPLETED)
1240                         break;
1241                 rte_delay_ms(20);
1242         }
1243
1244         if (i >= IAVF_RESET_WAIT_CNT)
1245                 return -1;
1246
1247         return 0;
1248 }
1249
1250 static int
1251 iavf_init_vf(struct rte_eth_dev *dev)
1252 {
1253         int err, bufsz;
1254         struct iavf_adapter *adapter =
1255                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1256         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1257         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1258
1259         err = iavf_set_mac_type(hw);
1260         if (err) {
1261                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1262                 goto err;
1263         }
1264
1265         err = iavf_check_vf_reset_done(hw);
1266         if (err) {
1267                 PMD_INIT_LOG(ERR, "VF is still resetting");
1268                 goto err;
1269         }
1270
1271         iavf_init_adminq_parameter(hw);
1272         err = iavf_init_adminq(hw);
1273         if (err) {
1274                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1275                 goto err;
1276         }
1277
1278         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1279         if (!vf->aq_resp) {
1280                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1281                 goto err_aq;
1282         }
1283         if (iavf_check_api_version(adapter) != 0) {
1284                 PMD_INIT_LOG(ERR, "check_api version failed");
1285                 goto err_api;
1286         }
1287
1288         bufsz = sizeof(struct virtchnl_vf_resource) +
1289                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1290         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1291         if (!vf->vf_res) {
1292                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1293                 goto err_api;
1294         }
1295         if (iavf_get_vf_resource(adapter) != 0) {
1296                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1297                 goto err_alloc;
1298         }
1299         /* Allocate memort for RSS info */
1300         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1301                 vf->rss_key = rte_zmalloc("rss_key",
1302                                           vf->vf_res->rss_key_size, 0);
1303                 if (!vf->rss_key) {
1304                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1305                         goto err_rss;
1306                 }
1307                 vf->rss_lut = rte_zmalloc("rss_lut",
1308                                           vf->vf_res->rss_lut_size, 0);
1309                 if (!vf->rss_lut) {
1310                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1311                         goto err_rss;
1312                 }
1313         }
1314
1315         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1316                 if (iavf_get_supported_rxdid(adapter) != 0) {
1317                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
1318                         goto err_rss;
1319                 }
1320         }
1321
1322         return 0;
1323 err_rss:
1324         rte_free(vf->rss_key);
1325         rte_free(vf->rss_lut);
1326 err_alloc:
1327         rte_free(vf->vf_res);
1328         vf->vsi_res = NULL;
1329 err_api:
1330         rte_free(vf->aq_resp);
1331 err_aq:
1332         iavf_shutdown_adminq(hw);
1333 err:
1334         return -1;
1335 }
1336
1337 /* Enable default admin queue interrupt setting */
1338 static inline void
1339 iavf_enable_irq0(struct iavf_hw *hw)
1340 {
1341         /* Enable admin queue interrupt trigger */
1342         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
1343                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
1344
1345         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1346                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1347                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1348                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1349
1350         IAVF_WRITE_FLUSH(hw);
1351 }
1352
1353 static inline void
1354 iavf_disable_irq0(struct iavf_hw *hw)
1355 {
1356         /* Disable all interrupt types */
1357         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
1358         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1359                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1360         IAVF_WRITE_FLUSH(hw);
1361 }
1362
1363 static void
1364 iavf_dev_interrupt_handler(void *param)
1365 {
1366         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1367         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1368
1369         iavf_disable_irq0(hw);
1370
1371         iavf_handle_virtchnl_msg(dev);
1372
1373         iavf_enable_irq0(hw);
1374 }
1375
1376 static int
1377 iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
1378                      enum rte_filter_type filter_type,
1379                      enum rte_filter_op filter_op,
1380                      void *arg)
1381 {
1382         int ret = 0;
1383
1384         if (!dev)
1385                 return -EINVAL;
1386
1387         switch (filter_type) {
1388         case RTE_ETH_FILTER_GENERIC:
1389                 if (filter_op != RTE_ETH_FILTER_GET)
1390                         return -EINVAL;
1391                 *(const void **)arg = &iavf_flow_ops;
1392                 break;
1393         default:
1394                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
1395                             filter_type);
1396                 ret = -EINVAL;
1397                 break;
1398         }
1399
1400         return ret;
1401 }
1402
1403
1404 static int
1405 iavf_dev_init(struct rte_eth_dev *eth_dev)
1406 {
1407         struct iavf_adapter *adapter =
1408                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1409         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1410         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1411         int ret = 0;
1412
1413         PMD_INIT_FUNC_TRACE();
1414
1415         /* assign ops func pointer */
1416         eth_dev->dev_ops = &iavf_eth_dev_ops;
1417         eth_dev->rx_queue_count = iavf_dev_rxq_count;
1418         eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status;
1419         eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status;
1420         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1421         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1422         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1423
1424         /* For secondary processes, we don't initialise any further as primary
1425          * has already done this work. Only check if we need a different RX
1426          * and TX function.
1427          */
1428         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1429                 iavf_set_rx_function(eth_dev);
1430                 iavf_set_tx_function(eth_dev);
1431                 return 0;
1432         }
1433         rte_eth_copy_pci_info(eth_dev, pci_dev);
1434
1435         hw->vendor_id = pci_dev->id.vendor_id;
1436         hw->device_id = pci_dev->id.device_id;
1437         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1438         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1439         hw->bus.bus_id = pci_dev->addr.bus;
1440         hw->bus.device = pci_dev->addr.devid;
1441         hw->bus.func = pci_dev->addr.function;
1442         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1443         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1444         adapter->eth_dev = eth_dev;
1445         adapter->stopped = 1;
1446
1447         if (iavf_init_vf(eth_dev) != 0) {
1448                 PMD_INIT_LOG(ERR, "Init vf failed");
1449                 return -1;
1450         }
1451
1452         /* set default ptype table */
1453         adapter->ptype_tbl = iavf_get_default_ptype_table();
1454
1455         /* copy mac addr */
1456         eth_dev->data->mac_addrs = rte_zmalloc(
1457                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1458         if (!eth_dev->data->mac_addrs) {
1459                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1460                              " store MAC addresses",
1461                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1462                 return -ENOMEM;
1463         }
1464         /* If the MAC address is not configured by host,
1465          * generate a random one.
1466          */
1467         if (!rte_is_valid_assigned_ether_addr(
1468                         (struct rte_ether_addr *)hw->mac.addr))
1469                 rte_eth_random_addr(hw->mac.addr);
1470         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1471                         &eth_dev->data->mac_addrs[0]);
1472
1473         /* register callback func to eal lib */
1474         rte_intr_callback_register(&pci_dev->intr_handle,
1475                                    iavf_dev_interrupt_handler,
1476                                    (void *)eth_dev);
1477
1478         /* enable uio intr after callback register */
1479         rte_intr_enable(&pci_dev->intr_handle);
1480
1481         /* configure and enable device interrupt */
1482         iavf_enable_irq0(hw);
1483
1484         ret = iavf_flow_init(adapter);
1485         if (ret) {
1486                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
1487                 return ret;
1488         }
1489
1490         return 0;
1491 }
1492
1493 static int
1494 iavf_dev_close(struct rte_eth_dev *dev)
1495 {
1496         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1497         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1498         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1499         struct iavf_adapter *adapter =
1500                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1501         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1502
1503         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1504                 return 0;
1505
1506         iavf_dev_stop(dev);
1507         iavf_flow_flush(dev, NULL);
1508         iavf_flow_uninit(adapter);
1509
1510         /*
1511          * disable promiscuous mode before reset vf
1512          * it is a workaround solution when work with kernel driver
1513          * and it is not the normal way
1514          */
1515         if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
1516                 iavf_config_promisc(adapter, false, false);
1517
1518         iavf_shutdown_adminq(hw);
1519         /* disable uio intr before callback unregister */
1520         rte_intr_disable(intr_handle);
1521
1522         /* unregister callback func from eal lib */
1523         rte_intr_callback_unregister(intr_handle,
1524                                      iavf_dev_interrupt_handler, dev);
1525         iavf_disable_irq0(hw);
1526
1527         dev->dev_ops = NULL;
1528         dev->rx_pkt_burst = NULL;
1529         dev->tx_pkt_burst = NULL;
1530
1531         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1532                 if (vf->rss_lut) {
1533                         rte_free(vf->rss_lut);
1534                         vf->rss_lut = NULL;
1535                 }
1536                 if (vf->rss_key) {
1537                         rte_free(vf->rss_key);
1538                         vf->rss_key = NULL;
1539                 }
1540         }
1541
1542         rte_free(vf->vf_res);
1543         vf->vsi_res = NULL;
1544         vf->vf_res = NULL;
1545
1546         rte_free(vf->aq_resp);
1547         vf->aq_resp = NULL;
1548
1549         vf->vf_reset = false;
1550
1551         return 0;
1552 }
1553
1554 static int
1555 iavf_dev_uninit(struct rte_eth_dev *dev)
1556 {
1557         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1558                 return -EPERM;
1559
1560         iavf_dev_close(dev);
1561
1562         return 0;
1563 }
1564
1565 /*
1566  * Reset VF device only to re-initialize resources in PMD layer
1567  */
1568 static int
1569 iavf_dev_reset(struct rte_eth_dev *dev)
1570 {
1571         int ret;
1572
1573         ret = iavf_dev_uninit(dev);
1574         if (ret)
1575                 return ret;
1576
1577         return iavf_dev_init(dev);
1578 }
1579
1580 static int
1581 iavf_dcf_cap_check_handler(__rte_unused const char *key,
1582                            const char *value, __rte_unused void *opaque)
1583 {
1584         if (strcmp(value, "dcf"))
1585                 return -1;
1586
1587         return 0;
1588 }
1589
1590 static int
1591 iavf_dcf_cap_selected(struct rte_devargs *devargs)
1592 {
1593         struct rte_kvargs *kvlist;
1594         const char *key = "cap";
1595         int ret = 0;
1596
1597         if (devargs == NULL)
1598                 return 0;
1599
1600         kvlist = rte_kvargs_parse(devargs->args, NULL);
1601         if (kvlist == NULL)
1602                 return 0;
1603
1604         if (!rte_kvargs_count(kvlist, key))
1605                 goto exit;
1606
1607         /* dcf capability selected when there's a key-value pair: cap=dcf */
1608         if (rte_kvargs_process(kvlist, key,
1609                                iavf_dcf_cap_check_handler, NULL) < 0)
1610                 goto exit;
1611
1612         ret = 1;
1613
1614 exit:
1615         rte_kvargs_free(kvlist);
1616         return ret;
1617 }
1618
1619 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1620                              struct rte_pci_device *pci_dev)
1621 {
1622         if (iavf_dcf_cap_selected(pci_dev->device.devargs))
1623                 return 1;
1624
1625         return rte_eth_dev_pci_generic_probe(pci_dev,
1626                 sizeof(struct iavf_adapter), iavf_dev_init);
1627 }
1628
1629 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1630 {
1631         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1632 }
1633
1634 /* Adaptive virtual function driver struct */
1635 static struct rte_pci_driver rte_iavf_pmd = {
1636         .id_table = pci_id_iavf_map,
1637         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1638         .probe = eth_iavf_pci_probe,
1639         .remove = eth_iavf_pci_remove,
1640 };
1641
1642 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1643 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1644 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1645 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
1646 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
1647 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
1648 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1649 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
1650 #endif
1651 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1652 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
1653 #endif
1654 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1655 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG);
1656 #endif