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 void iavf_dev_stop(struct rte_eth_dev *dev);
  35 static void 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_promiscuous_enable(struct rte_eth_dev *dev);
  44 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  45 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  46 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
  47 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
  48                                 struct rte_ether_addr *addr,
  49                                 uint32_t index,
  50                                 uint32_t pool);
  51 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
  52 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
  53                                    uint16_t vlan_id, int on);
  54 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  55 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
  56                                    struct rte_eth_rss_reta_entry64 *reta_conf,
  57                                    uint16_t reta_size);
  58 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
  59                                   struct rte_eth_rss_reta_entry64 *reta_conf,
  60                                   uint16_t reta_size);
  61 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
  62                                    struct rte_eth_rss_conf *rss_conf);
  63 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
  64                                      struct rte_eth_rss_conf *rss_conf);
  65 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  66 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
  67                                          struct rte_ether_addr *mac_addr);
  68 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
  69                                         uint16_t queue_id);
  70 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
  71                                          uint16_t queue_id);
  72 static int iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
  73                      enum rte_filter_type filter_type,
  74                      enum rte_filter_op filter_op,
  75                      void *arg);
  76
  77 static const struct rte_pci_id pci_id_iavf_map[] = {
  78         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
  79         { .vendor_id = 0, /* sentinel */ },
  80 };
  81
  82 static const struct eth_dev_ops iavf_eth_dev_ops = {
  83         .dev_configure              = iavf_dev_configure,
  84         .dev_start                  = iavf_dev_start,
  85         .dev_stop                   = iavf_dev_stop,
  86         .dev_close                  = iavf_dev_close,
  87         .dev_reset                  = iavf_dev_reset,
  88         .dev_infos_get              = iavf_dev_info_get,
  89         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
  90         .link_update                = iavf_dev_link_update,
  91         .stats_get                  = iavf_dev_stats_get,
  92         .stats_reset                = iavf_dev_stats_reset,
  93         .promiscuous_enable         = iavf_dev_promiscuous_enable,
  94         .promiscuous_disable        = iavf_dev_promiscuous_disable,
  95         .allmulticast_enable        = iavf_dev_allmulticast_enable,
  96         .allmulticast_disable       = iavf_dev_allmulticast_disable,
  97         .mac_addr_add               = iavf_dev_add_mac_addr,
  98         .mac_addr_remove            = iavf_dev_del_mac_addr,
  99         .vlan_filter_set            = iavf_dev_vlan_filter_set,
 100         .vlan_offload_set           = iavf_dev_vlan_offload_set,
 101         .rx_queue_start             = iavf_dev_rx_queue_start,
 102         .rx_queue_stop              = iavf_dev_rx_queue_stop,
 103         .tx_queue_start             = iavf_dev_tx_queue_start,
 104         .tx_queue_stop              = iavf_dev_tx_queue_stop,
 105         .rx_queue_setup             = iavf_dev_rx_queue_setup,
 106         .rx_queue_release           = iavf_dev_rx_queue_release,
 107         .tx_queue_setup             = iavf_dev_tx_queue_setup,
 108         .tx_queue_release           = iavf_dev_tx_queue_release,
 109         .mac_addr_set               = iavf_dev_set_default_mac_addr,
 110         .reta_update                = iavf_dev_rss_reta_update,
 111         .reta_query                 = iavf_dev_rss_reta_query,
 112         .rss_hash_update            = iavf_dev_rss_hash_update,
 113         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
 114         .rxq_info_get               = iavf_dev_rxq_info_get,
 115         .txq_info_get               = iavf_dev_txq_info_get,
 116         .rx_queue_count             = iavf_dev_rxq_count,
 117         .rx_descriptor_status       = iavf_dev_rx_desc_status,
 118         .tx_descriptor_status       = iavf_dev_tx_desc_status,
 119         .mtu_set                    = iavf_dev_mtu_set,
 120         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
 121         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
 122         .filter_ctrl                = iavf_dev_filter_ctrl,
 123 };
 124
 125 static int
 126 iavf_init_rss(struct iavf_adapter *adapter)
 127 {
 128         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
 129         struct rte_eth_rss_conf *rss_conf;
 130         uint8_t i, j, nb_q;
 131         int ret;
 132
 133         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 134         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 135                        IAVF_MAX_NUM_QUEUES);
 136
 137         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 138                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 139                 return -ENOTSUP;
 140         }
 141         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 142                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 143                 /* set all lut items to default queue */
 144                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 145                         vf->rss_lut[i] = 0;
 146                 ret = iavf_configure_rss_lut(adapter);
 147                 return ret;
 148         }
 149
 150         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 151          * to set based on rss_conf->rss_hf.
 152          */
 153
 154         /* configure RSS key */
 155         if (!rss_conf->rss_key) {
 156                 /* Calculate the default hash key */
 157                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 158                         vf->rss_key[i] = (uint8_t)rte_rand();
 159         } else
 160                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 161                            RTE_MIN(rss_conf->rss_key_len,
 162                                    vf->vf_res->rss_key_size));
 163
 164         /* init RSS LUT table */
 165         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 166                 if (j >= nb_q)
 167                         j = 0;
 168                 vf->rss_lut[i] = j;
 169         }
 170         /* send virtchnnl ops to configure rss*/
 171         ret = iavf_configure_rss_lut(adapter);
 172         if (ret)
 173                 return ret;
 174         ret = iavf_configure_rss_key(adapter);
 175         if (ret)
 176                 return ret;
 177
 178         return 0;
 179 }
 180
 181 static int
 182 iavf_dev_configure(struct rte_eth_dev *dev)
 183 {
 184         struct iavf_adapter *ad =
 185                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 186         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 187         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 188
 189         ad->rx_bulk_alloc_allowed = true;
 190         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 191          * vector Rx/Tx preconditions, it will be reset.
 192          */
 193         ad->rx_vec_allowed = true;
 194         ad->tx_vec_allowed = true;
 195
 196         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
 197                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 198
 199         /* Vlan stripping setting */
 200         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 201                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 202                         iavf_enable_vlan_strip(ad);
 203                 else
 204                         iavf_disable_vlan_strip(ad);
 205         }
 206
 207         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 208                 if (iavf_init_rss(ad) != 0) {
 209                         PMD_DRV_LOG(ERR, "configure rss failed");
 210                         return -1;
 211                 }
 212         }
 213         return 0;
 214 }
 215
 216 static int
 217 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 218 {
 219         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 220         struct rte_eth_dev_data *dev_data = dev->data;
 221         uint16_t buf_size, max_pkt_len, len;
 222
 223         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 224
 225         /* Calculate the maximum packet length allowed */
 226         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
 227         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 228
 229         /* Check if the jumbo frame and maximum packet length are set
 230          * correctly.
 231          */
 232         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 233                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
 234                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
 235                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 236                                     "larger than %u and smaller than %u, "
 237                                     "as jumbo frame is enabled",
 238                                     (uint32_t)RTE_ETHER_MAX_LEN,
 239                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 240                         return -EINVAL;
 241                 }
 242         } else {
 243                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
 244                     max_pkt_len > RTE_ETHER_MAX_LEN) {
 245                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 246                                     "larger than %u and smaller than %u, "
 247                                     "as jumbo frame is disabled",
 248                                     (uint32_t)RTE_ETHER_MIN_LEN,
 249                                     (uint32_t)RTE_ETHER_MAX_LEN);
 250                         return -EINVAL;
 251                 }
 252         }
 253
 254         rxq->max_pkt_len = max_pkt_len;
 255         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 256             (rxq->max_pkt_len + 2 * IAVF_VLAN_TAG_SIZE) > buf_size) {
 257                 dev_data->scattered_rx = 1;
 258         }
 259         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 260         IAVF_WRITE_FLUSH(hw);
 261
 262         return 0;
 263 }
 264
 265 static int
 266 iavf_init_queues(struct rte_eth_dev *dev)
 267 {
 268         struct iavf_rx_queue **rxq =
 269                 (struct iavf_rx_queue **)dev->data->rx_queues;
 270         int i, ret = IAVF_SUCCESS;
 271
 272         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 273                 if (!rxq[i] || !rxq[i]->q_set)
 274                         continue;
 275                 ret = iavf_init_rxq(dev, rxq[i]);
 276                 if (ret != IAVF_SUCCESS)
 277                         break;
 278         }
 279         /* set rx/tx function to vector/scatter/single-segment
 280          * according to parameters
 281          */
 282         iavf_set_rx_function(dev);
 283         iavf_set_tx_function(dev);
 284
 285         return ret;
 286 }
 287
 288 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 289                                      struct rte_intr_handle *intr_handle)
 290 {
 291         struct iavf_adapter *adapter =
 292                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 293         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 294         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 295         uint16_t interval, i;
 296         int vec;
 297
 298         if (rte_intr_cap_multiple(intr_handle) &&
 299             dev->data->dev_conf.intr_conf.rxq) {
 300                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 301                         return -1;
 302         }
 303
 304         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 305                 intr_handle->intr_vec =
 306                         rte_zmalloc("intr_vec",
 307                                     dev->data->nb_rx_queues * sizeof(int), 0);
 308                 if (!intr_handle->intr_vec) {
 309                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 310                                     dev->data->nb_rx_queues);
 311                         return -1;
 312                 }
 313         }
 314
 315         if (!dev->data->dev_conf.intr_conf.rxq ||
 316             !rte_intr_dp_is_en(intr_handle)) {
 317                 /* Rx interrupt disabled, Map interrupt only for writeback */
 318                 vf->nb_msix = 1;
 319                 if (vf->vf_res->vf_cap_flags &
 320                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 321                         /* If WB_ON_ITR supports, enable it */
 322                         vf->msix_base = IAVF_RX_VEC_START;
 323                         IAVF_WRITE_REG(hw,
 324                                        IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
 325                                        IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
 326                                        IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 327                 } else {
 328                         /* If no WB_ON_ITR offload flags, need to set
 329                          * interrupt for descriptor write back.
 330                          */
 331                         vf->msix_base = IAVF_MISC_VEC_ID;
 332
 333                         /* set ITR to max */
 334                         interval = iavf_calc_itr_interval(
 335                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
 336                         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
 337                                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 338                                        (IAVF_ITR_INDEX_DEFAULT <<
 339                                         IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 340                                        (interval <<
 341                                         IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
 342                 }
 343                 IAVF_WRITE_FLUSH(hw);
 344                 /* map all queues to the same interrupt */
 345                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 346                         vf->rxq_map[vf->msix_base] |= 1 << i;
 347         } else {
 348                 if (!rte_intr_allow_others(intr_handle)) {
 349                         vf->nb_msix = 1;
 350                         vf->msix_base = IAVF_MISC_VEC_ID;
 351                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 352                                 vf->rxq_map[vf->msix_base] |= 1 << i;
 353                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
 354                         }
 355                         PMD_DRV_LOG(DEBUG,
 356                                     "vector %u are mapping to all Rx queues",
 357                                     vf->msix_base);
 358                 } else {
 359                         /* If Rx interrupt is reuquired, and we can use
 360                          * multi interrupts, then the vec is from 1
 361                          */
 362                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 363                                               intr_handle->nb_efd);
 364                         vf->msix_base = IAVF_RX_VEC_START;
 365                         vec = IAVF_RX_VEC_START;
 366                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 367                                 vf->rxq_map[vec] |= 1 << i;
 368                                 intr_handle->intr_vec[i] = vec++;
 369                                 if (vec >= vf->nb_msix)
 370                                         vec = IAVF_RX_VEC_START;
 371                         }
 372                         PMD_DRV_LOG(DEBUG,
 373                                     "%u vectors are mapping to %u Rx queues",
 374                                     vf->nb_msix, dev->data->nb_rx_queues);
 375                 }
 376         }
 377
 378         if (iavf_config_irq_map(adapter)) {
 379                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 380                 return -1;
 381         }
 382         return 0;
 383 }
 384
 385 static int
 386 iavf_start_queues(struct rte_eth_dev *dev)
 387 {
 388         struct iavf_rx_queue *rxq;
 389         struct iavf_tx_queue *txq;
 390         int i;
 391
 392         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 393                 txq = dev->data->tx_queues[i];
 394                 if (txq->tx_deferred_start)
 395                         continue;
 396                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
 397                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 398                         return -1;
 399                 }
 400         }
 401
 402         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 403                 rxq = dev->data->rx_queues[i];
 404                 if (rxq->rx_deferred_start)
 405                         continue;
 406                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
 407                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 408                         return -1;
 409                 }
 410         }
 411
 412         return 0;
 413 }
 414
 415 static int
 416 iavf_dev_start(struct rte_eth_dev *dev)
 417 {
 418         struct iavf_adapter *adapter =
 419                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 420         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 421         struct rte_intr_handle *intr_handle = dev->intr_handle;
 422
 423         PMD_INIT_FUNC_TRACE();
 424
 425         adapter->stopped = 0;
 426
 427         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 428         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 429                                       dev->data->nb_tx_queues);
 430
 431         if (iavf_init_queues(dev) != 0) {
 432                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 433                 return -1;
 434         }
 435
 436         if (iavf_configure_queues(adapter) != 0) {
 437                 PMD_DRV_LOG(ERR, "configure queues failed");
 438                 goto err_queue;
 439         }
 440
 441         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 442                 PMD_DRV_LOG(ERR, "configure irq failed");
 443                 goto err_queue;
 444         }
 445         /* re-enable intr again, because efd assign may change */
 446         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 447                 rte_intr_disable(intr_handle);
 448                 rte_intr_enable(intr_handle);
 449         }
 450
 451         /* Set all mac addrs */
 452         iavf_add_del_all_mac_addr(adapter, true);
 453
 454         if (iavf_start_queues(dev) != 0) {
 455                 PMD_DRV_LOG(ERR, "enable queues failed");
 456                 goto err_mac;
 457         }
 458
 459         return 0;
 460
 461 err_mac:
 462         iavf_add_del_all_mac_addr(adapter, false);
 463 err_queue:
 464         return -1;
 465 }
 466
 467 static void
 468 iavf_dev_stop(struct rte_eth_dev *dev)
 469 {
 470         struct iavf_adapter *adapter =
 471                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 472         struct rte_intr_handle *intr_handle = dev->intr_handle;
 473
 474         PMD_INIT_FUNC_TRACE();
 475
 476         if (adapter->stopped == 1)
 477                 return;
 478
 479         iavf_stop_queues(dev);
 480
 481         /* Disable the interrupt for Rx */
 482         rte_intr_efd_disable(intr_handle);
 483         /* Rx interrupt vector mapping free */
 484         if (intr_handle->intr_vec) {
 485                 rte_free(intr_handle->intr_vec);
 486                 intr_handle->intr_vec = NULL;
 487         }
 488
 489         /* remove all mac addrs */
 490         iavf_add_del_all_mac_addr(adapter, false);
 491         adapter->stopped = 1;
 492 }
 493
 494 static int
 495 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 496 {
 497         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 498
 499         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 500         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 501         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 502         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 503         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 504         dev_info->reta_size = vf->vf_res->rss_lut_size;
 505         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 506         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 507         dev_info->rx_offload_capa =
 508                 DEV_RX_OFFLOAD_VLAN_STRIP |
 509                 DEV_RX_OFFLOAD_QINQ_STRIP |
 510                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 511                 DEV_RX_OFFLOAD_UDP_CKSUM |
 512                 DEV_RX_OFFLOAD_TCP_CKSUM |
 513                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 514                 DEV_RX_OFFLOAD_SCATTER |
 515                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 516                 DEV_RX_OFFLOAD_VLAN_FILTER |
 517                 DEV_RX_OFFLOAD_RSS_HASH;
 518         dev_info->tx_offload_capa =
 519                 DEV_TX_OFFLOAD_VLAN_INSERT |
 520                 DEV_TX_OFFLOAD_QINQ_INSERT |
 521                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 522                 DEV_TX_OFFLOAD_UDP_CKSUM |
 523                 DEV_TX_OFFLOAD_TCP_CKSUM |
 524                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 525                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 526                 DEV_TX_OFFLOAD_TCP_TSO |
 527                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 528                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 529                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 530                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 531                 DEV_TX_OFFLOAD_MULTI_SEGS;
 532
 533         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 534                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 535                 .rx_drop_en = 0,
 536                 .offloads = 0,
 537         };
 538
 539         dev_info->default_txconf = (struct rte_eth_txconf) {
 540                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 541                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 542                 .offloads = 0,
 543         };
 544
 545         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 546                 .nb_max = IAVF_MAX_RING_DESC,
 547                 .nb_min = IAVF_MIN_RING_DESC,
 548                 .nb_align = IAVF_ALIGN_RING_DESC,
 549         };
 550
 551         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 552                 .nb_max = IAVF_MAX_RING_DESC,
 553                 .nb_min = IAVF_MIN_RING_DESC,
 554                 .nb_align = IAVF_ALIGN_RING_DESC,
 555         };
 556
 557         return 0;
 558 }
 559
 560 static const uint32_t *
 561 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 562 {
 563         static const uint32_t ptypes[] = {
 564                 RTE_PTYPE_L2_ETHER,
 565                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 566                 RTE_PTYPE_L4_FRAG,
 567                 RTE_PTYPE_L4_ICMP,
 568                 RTE_PTYPE_L4_NONFRAG,
 569                 RTE_PTYPE_L4_SCTP,
 570                 RTE_PTYPE_L4_TCP,
 571                 RTE_PTYPE_L4_UDP,
 572                 RTE_PTYPE_UNKNOWN
 573         };
 574         return ptypes;
 575 }
 576
 577 int
 578 iavf_dev_link_update(struct rte_eth_dev *dev,
 579                     __rte_unused int wait_to_complete)
 580 {
 581         struct rte_eth_link new_link;
 582         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 583
 584         memset(&new_link, 0, sizeof(new_link));
 585
 586         /* Only read status info stored in VF, and the info is updated
 587          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 588          */
 589         switch (vf->link_speed) {
 590         case 10:
 591                 new_link.link_speed = ETH_SPEED_NUM_10M;
 592                 break;
 593         case 100:
 594                 new_link.link_speed = ETH_SPEED_NUM_100M;
 595                 break;
 596         case 1000:
 597                 new_link.link_speed = ETH_SPEED_NUM_1G;
 598                 break;
 599         case 10000:
 600                 new_link.link_speed = ETH_SPEED_NUM_10G;
 601                 break;
 602         case 20000:
 603                 new_link.link_speed = ETH_SPEED_NUM_20G;
 604                 break;
 605         case 25000:
 606                 new_link.link_speed = ETH_SPEED_NUM_25G;
 607                 break;
 608         case 40000:
 609                 new_link.link_speed = ETH_SPEED_NUM_40G;
 610                 break;
 611         case 50000:
 612                 new_link.link_speed = ETH_SPEED_NUM_50G;
 613                 break;
 614         case 100000:
 615                 new_link.link_speed = ETH_SPEED_NUM_100G;
 616                 break;
 617         default:
 618                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 619                 break;
 620         }
 621
 622         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 623         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 624                                              ETH_LINK_DOWN;
 625         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 626                                 ETH_LINK_SPEED_FIXED);
 627
 628         if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 629                                 *(uint64_t *)&dev->data->dev_link,
 630                                 *(uint64_t *)&new_link) == 0)
 631                 return -1;
 632
 633         return 0;
 634 }
 635
 636 static int
 637 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 638 {
 639         struct iavf_adapter *adapter =
 640                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 641         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 642         int ret;
 643
 644         if (vf->promisc_unicast_enabled)
 645                 return 0;
 646
 647         ret = iavf_config_promisc(adapter, true, vf->promisc_multicast_enabled);
 648         if (!ret)
 649                 vf->promisc_unicast_enabled = true;
 650         else
 651                 ret = -EAGAIN;
 652
 653         return ret;
 654 }
 655
 656 static int
 657 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 658 {
 659         struct iavf_adapter *adapter =
 660                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 661         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 662         int ret;
 663
 664         if (!vf->promisc_unicast_enabled)
 665                 return 0;
 666
 667         ret = iavf_config_promisc(adapter, false,
 668                                   vf->promisc_multicast_enabled);
 669         if (!ret)
 670                 vf->promisc_unicast_enabled = false;
 671         else
 672                 ret = -EAGAIN;
 673
 674         return ret;
 675 }
 676
 677 static int
 678 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 679 {
 680         struct iavf_adapter *adapter =
 681                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 682         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 683         int ret;
 684
 685         if (vf->promisc_multicast_enabled)
 686                 return 0;
 687
 688         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, true);
 689         if (!ret)
 690                 vf->promisc_multicast_enabled = true;
 691         else
 692                 ret = -EAGAIN;
 693
 694         return ret;
 695 }
 696
 697 static int
 698 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 699 {
 700         struct iavf_adapter *adapter =
 701                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 702         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 703         int ret;
 704
 705         if (!vf->promisc_multicast_enabled)
 706                 return 0;
 707
 708         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, false);
 709         if (!ret)
 710                 vf->promisc_multicast_enabled = false;
 711         else
 712                 ret = -EAGAIN;
 713
 714         return ret;
 715 }
 716
 717 static int
 718 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 719                      __rte_unused uint32_t index,
 720                      __rte_unused uint32_t pool)
 721 {
 722         struct iavf_adapter *adapter =
 723                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 724         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 725         int err;
 726
 727         if (rte_is_zero_ether_addr(addr)) {
 728                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 729                 return -EINVAL;
 730         }
 731
 732         err = iavf_add_del_eth_addr(adapter, addr, true);
 733         if (err) {
 734                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 735                 return -EIO;
 736         }
 737
 738         vf->mac_num++;
 739
 740         return 0;
 741 }
 742
 743 static void
 744 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 745 {
 746         struct iavf_adapter *adapter =
 747                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 748         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 749         struct rte_ether_addr *addr;
 750         int err;
 751
 752         addr = &dev->data->mac_addrs[index];
 753
 754         err = iavf_add_del_eth_addr(adapter, addr, false);
 755         if (err)
 756                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 757
 758         vf->mac_num--;
 759 }
 760
 761 static int
 762 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 763 {
 764         struct iavf_adapter *adapter =
 765                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 766         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 767         int err;
 768
 769         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 770                 return -ENOTSUP;
 771
 772         err = iavf_add_del_vlan(adapter, vlan_id, on);
 773         if (err)
 774                 return -EIO;
 775         return 0;
 776 }
 777
 778 static int
 779 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 780 {
 781         struct iavf_adapter *adapter =
 782                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 783         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 784         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 785         int err;
 786
 787         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 788                 return -ENOTSUP;
 789
 790         /* Vlan stripping setting */
 791         if (mask & ETH_VLAN_STRIP_MASK) {
 792                 /* Enable or disable VLAN stripping */
 793                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 794                         err = iavf_enable_vlan_strip(adapter);
 795                 else
 796                         err = iavf_disable_vlan_strip(adapter);
 797
 798                 if (err)
 799                         return -EIO;
 800         }
 801         return 0;
 802 }
 803
 804 static int
 805 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 806                         struct rte_eth_rss_reta_entry64 *reta_conf,
 807                         uint16_t reta_size)
 808 {
 809         struct iavf_adapter *adapter =
 810                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 811         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 812         uint8_t *lut;
 813         uint16_t i, idx, shift;
 814         int ret;
 815
 816         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 817                 return -ENOTSUP;
 818
 819         if (reta_size != vf->vf_res->rss_lut_size) {
 820                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 821                         "(%d) doesn't match the number of hardware can "
 822                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 823                 return -EINVAL;
 824         }
 825
 826         lut = rte_zmalloc("rss_lut", reta_size, 0);
 827         if (!lut) {
 828                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 829                 return -ENOMEM;
 830         }
 831         /* store the old lut table temporarily */
 832         rte_memcpy(lut, vf->rss_lut, reta_size);
 833
 834         for (i = 0; i < reta_size; i++) {
 835                 idx = i / RTE_RETA_GROUP_SIZE;
 836                 shift = i % RTE_RETA_GROUP_SIZE;
 837                 if (reta_conf[idx].mask & (1ULL << shift))
 838                         lut[i] = reta_conf[idx].reta[shift];
 839         }
 840
 841         rte_memcpy(vf->rss_lut, lut, reta_size);
 842         /* send virtchnnl ops to configure rss*/
 843         ret = iavf_configure_rss_lut(adapter);
 844         if (ret) /* revert back */
 845                 rte_memcpy(vf->rss_lut, lut, reta_size);
 846         rte_free(lut);
 847
 848         return ret;
 849 }
 850
 851 static int
 852 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 853                        struct rte_eth_rss_reta_entry64 *reta_conf,
 854                        uint16_t reta_size)
 855 {
 856         struct iavf_adapter *adapter =
 857                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 858         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 859         uint16_t i, idx, shift;
 860
 861         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 862                 return -ENOTSUP;
 863
 864         if (reta_size != vf->vf_res->rss_lut_size) {
 865                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 866                         "(%d) doesn't match the number of hardware can "
 867                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 868                 return -EINVAL;
 869         }
 870
 871         for (i = 0; i < reta_size; i++) {
 872                 idx = i / RTE_RETA_GROUP_SIZE;
 873                 shift = i % RTE_RETA_GROUP_SIZE;
 874                 if (reta_conf[idx].mask & (1ULL << shift))
 875                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 876         }
 877
 878         return 0;
 879 }
 880
 881 static int
 882 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 883                         struct rte_eth_rss_conf *rss_conf)
 884 {
 885         struct iavf_adapter *adapter =
 886                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 887         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 888
 889         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 890                 return -ENOTSUP;
 891
 892         /* HENA setting, it is enabled by default, no change */
 893         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 894                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 895                 return 0;
 896         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 897                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 898                         "(%d) doesn't match the size of hardware can "
 899                         "support (%d)", rss_conf->rss_key_len,
 900                         vf->vf_res->rss_key_size);
 901                 return -EINVAL;
 902         }
 903
 904         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 905
 906         return iavf_configure_rss_key(adapter);
 907 }
 908
 909 static int
 910 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 911                           struct rte_eth_rss_conf *rss_conf)
 912 {
 913         struct iavf_adapter *adapter =
 914                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 915         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 916
 917         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 918                 return -ENOTSUP;
 919
 920          /* Just set it to default value now. */
 921         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 922
 923         if (!rss_conf->rss_key)
 924                 return 0;
 925
 926         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 927         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 928
 929         return 0;
 930 }
 931
 932 static int
 933 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 934 {
 935         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 936         int ret = 0;
 937
 938         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 939                 return -EINVAL;
 940
 941         /* mtu setting is forbidden if port is start */
 942         if (dev->data->dev_started) {
 943                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 944                 return -EBUSY;
 945         }
 946
 947         if (frame_size > RTE_ETHER_MAX_LEN)
 948                 dev->data->dev_conf.rxmode.offloads |=
 949                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 950         else
 951                 dev->data->dev_conf.rxmode.offloads &=
 952                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 953
 954         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 955
 956         return ret;
 957 }
 958
 959 static int
 960 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 961                              struct rte_ether_addr *mac_addr)
 962 {
 963         struct iavf_adapter *adapter =
 964                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 965         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 966         struct rte_ether_addr *perm_addr, *old_addr;
 967         int ret;
 968
 969         old_addr = (struct rte_ether_addr *)hw->mac.addr;
 970         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
 971
 972         if (rte_is_same_ether_addr(mac_addr, old_addr))
 973                 return 0;
 974
 975         /* If the MAC address is configured by host, skip the setting */
 976         if (rte_is_valid_assigned_ether_addr(perm_addr))
 977                 return -EPERM;
 978
 979         ret = iavf_add_del_eth_addr(adapter, old_addr, false);
 980         if (ret)
 981                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 982                             " %02X:%02X:%02X:%02X:%02X:%02X",
 983                             old_addr->addr_bytes[0],
 984                             old_addr->addr_bytes[1],
 985                             old_addr->addr_bytes[2],
 986                             old_addr->addr_bytes[3],
 987                             old_addr->addr_bytes[4],
 988                             old_addr->addr_bytes[5]);
 989
 990         ret = iavf_add_del_eth_addr(adapter, mac_addr, true);
 991         if (ret)
 992                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
 993                             " %02X:%02X:%02X:%02X:%02X:%02X",
 994                             mac_addr->addr_bytes[0],
 995                             mac_addr->addr_bytes[1],
 996                             mac_addr->addr_bytes[2],
 997                             mac_addr->addr_bytes[3],
 998                             mac_addr->addr_bytes[4],
 999                             mac_addr->addr_bytes[5]);
1000
1001         if (ret)
1002                 return -EIO;
1003
1004         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1005         return 0;
1006 }
1007
1008 static void
1009 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1010 {
1011         if (*stat >= *offset)
1012                 *stat = *stat - *offset;
1013         else
1014                 *stat = (uint64_t)((*stat +
1015                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1016
1017         *stat &= IAVF_48_BIT_MASK;
1018 }
1019
1020 static void
1021 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1022 {
1023         if (*stat >= *offset)
1024                 *stat = (uint64_t)(*stat - *offset);
1025         else
1026                 *stat = (uint64_t)((*stat +
1027                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1028 }
1029
1030 static void
1031 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1032 {
1033         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1034
1035         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1036         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1037         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1038         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1039         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1040         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1041         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1042         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1043         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1044         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1045         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1046 }
1047
1048 static int
1049 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1050 {
1051         struct iavf_adapter *adapter =
1052                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1053         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1054         struct iavf_vsi *vsi = &vf->vsi;
1055         struct virtchnl_eth_stats *pstats = NULL;
1056         int ret;
1057
1058         ret = iavf_query_stats(adapter, &pstats);
1059         if (ret == 0) {
1060                 iavf_update_stats(vsi, pstats);
1061                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1062                                 pstats->rx_broadcast - pstats->rx_discards;
1063                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1064                                                 pstats->tx_unicast;
1065                 stats->imissed = pstats->rx_discards;
1066                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1067                 stats->ibytes = pstats->rx_bytes;
1068                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1069                 stats->obytes = pstats->tx_bytes;
1070         } else {
1071                 PMD_DRV_LOG(ERR, "Get statistics failed");
1072         }
1073         return ret;
1074 }
1075
1076 static int
1077 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1078 {
1079         int ret;
1080         struct iavf_adapter *adapter =
1081                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1082         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1083         struct iavf_vsi *vsi = &vf->vsi;
1084         struct virtchnl_eth_stats *pstats = NULL;
1085
1086         /* read stat values to clear hardware registers */
1087         ret = iavf_query_stats(adapter, &pstats);
1088         if (ret != 0)
1089                 return ret;
1090
1091         /* set stats offset base on current values */
1092         vsi->eth_stats_offset = *pstats;
1093
1094         return 0;
1095 }
1096
1097 static int
1098 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1099 {
1100         struct iavf_adapter *adapter =
1101                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1102         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1103         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1104         uint16_t msix_intr;
1105
1106         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1107         if (msix_intr == IAVF_MISC_VEC_ID) {
1108                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1109                 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1110                                IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1111                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1112                                IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1113         } else {
1114                 IAVF_WRITE_REG(hw,
1115                                IAVF_VFINT_DYN_CTLN1
1116                                 (msix_intr - IAVF_RX_VEC_START),
1117                                IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1118                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1119                                IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1120         }
1121
1122         IAVF_WRITE_FLUSH(hw);
1123
1124         rte_intr_ack(&pci_dev->intr_handle);
1125
1126         return 0;
1127 }
1128
1129 static int
1130 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1131 {
1132         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1133         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1134         uint16_t msix_intr;
1135
1136         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1137         if (msix_intr == IAVF_MISC_VEC_ID) {
1138                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1139                 return -EIO;
1140         }
1141
1142         IAVF_WRITE_REG(hw,
1143                       IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1144                       0);
1145
1146         IAVF_WRITE_FLUSH(hw);
1147         return 0;
1148 }
1149
1150 static int
1151 iavf_check_vf_reset_done(struct iavf_hw *hw)
1152 {
1153         int i, reset;
1154
1155         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1156                 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1157                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1158                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1159                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1160                     reset == VIRTCHNL_VFR_COMPLETED)
1161                         break;
1162                 rte_delay_ms(20);
1163         }
1164
1165         if (i >= IAVF_RESET_WAIT_CNT)
1166                 return -1;
1167
1168         return 0;
1169 }
1170
1171 static int
1172 iavf_init_vf(struct rte_eth_dev *dev)
1173 {
1174         int err, bufsz;
1175         struct iavf_adapter *adapter =
1176                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1177         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1178         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1179
1180         err = iavf_set_mac_type(hw);
1181         if (err) {
1182                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1183                 goto err;
1184         }
1185
1186         err = iavf_check_vf_reset_done(hw);
1187         if (err) {
1188                 PMD_INIT_LOG(ERR, "VF is still resetting");
1189                 goto err;
1190         }
1191
1192         iavf_init_adminq_parameter(hw);
1193         err = iavf_init_adminq(hw);
1194         if (err) {
1195                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1196                 goto err;
1197         }
1198
1199         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1200         if (!vf->aq_resp) {
1201                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1202                 goto err_aq;
1203         }
1204         if (iavf_check_api_version(adapter) != 0) {
1205                 PMD_INIT_LOG(ERR, "check_api version failed");
1206                 goto err_api;
1207         }
1208
1209         bufsz = sizeof(struct virtchnl_vf_resource) +
1210                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1211         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1212         if (!vf->vf_res) {
1213                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1214                 goto err_api;
1215         }
1216         if (iavf_get_vf_resource(adapter) != 0) {
1217                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1218                 goto err_alloc;
1219         }
1220         /* Allocate memort for RSS info */
1221         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1222                 vf->rss_key = rte_zmalloc("rss_key",
1223                                           vf->vf_res->rss_key_size, 0);
1224                 if (!vf->rss_key) {
1225                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1226                         goto err_rss;
1227                 }
1228                 vf->rss_lut = rte_zmalloc("rss_lut",
1229                                           vf->vf_res->rss_lut_size, 0);
1230                 if (!vf->rss_lut) {
1231                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1232                         goto err_rss;
1233                 }
1234         }
1235
1236         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1237                 if (iavf_get_supported_rxdid(adapter) != 0) {
1238                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
1239                         goto err_rss;
1240                 }
1241         }
1242
1243         return 0;
1244 err_rss:
1245         rte_free(vf->rss_key);
1246         rte_free(vf->rss_lut);
1247 err_alloc:
1248         rte_free(vf->vf_res);
1249         vf->vsi_res = NULL;
1250 err_api:
1251         rte_free(vf->aq_resp);
1252 err_aq:
1253         iavf_shutdown_adminq(hw);
1254 err:
1255         return -1;
1256 }
1257
1258 /* Enable default admin queue interrupt setting */
1259 static inline void
1260 iavf_enable_irq0(struct iavf_hw *hw)
1261 {
1262         /* Enable admin queue interrupt trigger */
1263         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
1264                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
1265
1266         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1267                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1268                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1269                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1270
1271         IAVF_WRITE_FLUSH(hw);
1272 }
1273
1274 static inline void
1275 iavf_disable_irq0(struct iavf_hw *hw)
1276 {
1277         /* Disable all interrupt types */
1278         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
1279         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1280                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1281         IAVF_WRITE_FLUSH(hw);
1282 }
1283
1284 static void
1285 iavf_dev_interrupt_handler(void *param)
1286 {
1287         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1288         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1289
1290         iavf_disable_irq0(hw);
1291
1292         iavf_handle_virtchnl_msg(dev);
1293
1294         iavf_enable_irq0(hw);
1295 }
1296
1297 static int
1298 iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
1299                      enum rte_filter_type filter_type,
1300                      enum rte_filter_op filter_op,
1301                      void *arg)
1302 {
1303         int ret = 0;
1304
1305         if (!dev)
1306                 return -EINVAL;
1307
1308         switch (filter_type) {
1309         case RTE_ETH_FILTER_GENERIC:
1310                 if (filter_op != RTE_ETH_FILTER_GET)
1311                         return -EINVAL;
1312                 *(const void **)arg = &iavf_flow_ops;
1313                 break;
1314         default:
1315                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
1316                             filter_type);
1317                 ret = -EINVAL;
1318                 break;
1319         }
1320
1321         return ret;
1322 }
1323
1324
1325 static int
1326 iavf_dev_init(struct rte_eth_dev *eth_dev)
1327 {
1328         struct iavf_adapter *adapter =
1329                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1330         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1331         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1332         int ret = 0;
1333
1334         PMD_INIT_FUNC_TRACE();
1335
1336         /* assign ops func pointer */
1337         eth_dev->dev_ops = &iavf_eth_dev_ops;
1338         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1339         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1340         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1341
1342         /* For secondary processes, we don't initialise any further as primary
1343          * has already done this work. Only check if we need a different RX
1344          * and TX function.
1345          */
1346         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1347                 iavf_set_rx_function(eth_dev);
1348                 iavf_set_tx_function(eth_dev);
1349                 return 0;
1350         }
1351         rte_eth_copy_pci_info(eth_dev, pci_dev);
1352
1353         hw->vendor_id = pci_dev->id.vendor_id;
1354         hw->device_id = pci_dev->id.device_id;
1355         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1356         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1357         hw->bus.bus_id = pci_dev->addr.bus;
1358         hw->bus.device = pci_dev->addr.devid;
1359         hw->bus.func = pci_dev->addr.function;
1360         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1361         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1362         adapter->eth_dev = eth_dev;
1363         adapter->stopped = 1;
1364
1365         if (iavf_init_vf(eth_dev) != 0) {
1366                 PMD_INIT_LOG(ERR, "Init vf failed");
1367                 return -1;
1368         }
1369
1370         /* set default ptype table */
1371         adapter->ptype_tbl = iavf_get_default_ptype_table();
1372
1373         /* copy mac addr */
1374         eth_dev->data->mac_addrs = rte_zmalloc(
1375                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1376         if (!eth_dev->data->mac_addrs) {
1377                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1378                              " store MAC addresses",
1379                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1380                 return -ENOMEM;
1381         }
1382         /* If the MAC address is not configured by host,
1383          * generate a random one.
1384          */
1385         if (!rte_is_valid_assigned_ether_addr(
1386                         (struct rte_ether_addr *)hw->mac.addr))
1387                 rte_eth_random_addr(hw->mac.addr);
1388         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1389                         &eth_dev->data->mac_addrs[0]);
1390
1391         /* register callback func to eal lib */
1392         rte_intr_callback_register(&pci_dev->intr_handle,
1393                                    iavf_dev_interrupt_handler,
1394                                    (void *)eth_dev);
1395
1396         /* enable uio intr after callback register */
1397         rte_intr_enable(&pci_dev->intr_handle);
1398
1399         /* configure and enable device interrupt */
1400         iavf_enable_irq0(hw);
1401
1402         ret = iavf_flow_init(adapter);
1403         if (ret) {
1404                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
1405                 return ret;
1406         }
1407
1408         return 0;
1409 }
1410
1411 static void
1412 iavf_dev_close(struct rte_eth_dev *dev)
1413 {
1414         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1415         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1416         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1417         struct iavf_adapter *adapter =
1418                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1419
1420         iavf_dev_stop(dev);
1421         iavf_flow_flush(dev, NULL);
1422         iavf_flow_uninit(adapter);
1423         iavf_shutdown_adminq(hw);
1424         /* disable uio intr before callback unregister */
1425         rte_intr_disable(intr_handle);
1426
1427         /* unregister callback func from eal lib */
1428         rte_intr_callback_unregister(intr_handle,
1429                                      iavf_dev_interrupt_handler, dev);
1430         iavf_disable_irq0(hw);
1431 }
1432
1433 static int
1434 iavf_dev_uninit(struct rte_eth_dev *dev)
1435 {
1436         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1437
1438         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1439                 return -EPERM;
1440
1441         dev->dev_ops = NULL;
1442         dev->rx_pkt_burst = NULL;
1443         dev->tx_pkt_burst = NULL;
1444         iavf_dev_close(dev);
1445
1446         rte_free(vf->vf_res);
1447         vf->vsi_res = NULL;
1448         vf->vf_res = NULL;
1449
1450         rte_free(vf->aq_resp);
1451         vf->aq_resp = NULL;
1452
1453         if (vf->rss_lut) {
1454                 rte_free(vf->rss_lut);
1455                 vf->rss_lut = NULL;
1456         }
1457         if (vf->rss_key) {
1458                 rte_free(vf->rss_key);
1459                 vf->rss_key = NULL;
1460         }
1461
1462         return 0;
1463 }
1464
1465 /*
1466  * Reset VF device only to re-initialize resources in PMD layer
1467  */
1468 static int
1469 iavf_dev_reset(struct rte_eth_dev *dev)
1470 {
1471         int ret;
1472
1473         ret = iavf_dev_uninit(dev);
1474         if (ret)
1475                 return ret;
1476
1477         return iavf_dev_init(dev);
1478 }
1479
1480 static int
1481 iavf_dcf_cap_check_handler(__rte_unused const char *key,
1482                            const char *value, __rte_unused void *opaque)
1483 {
1484         if (strcmp(value, "dcf"))
1485                 return -1;
1486
1487         return 0;
1488 }
1489
1490 static int
1491 iavf_dcf_cap_selected(struct rte_devargs *devargs)
1492 {
1493         struct rte_kvargs *kvlist;
1494         const char *key = "cap";
1495         int ret = 0;
1496
1497         if (devargs == NULL)
1498                 return 0;
1499
1500         kvlist = rte_kvargs_parse(devargs->args, NULL);
1501         if (kvlist == NULL)
1502                 return 0;
1503
1504         if (!rte_kvargs_count(kvlist, key))
1505                 goto exit;
1506
1507         /* dcf capability selected when there's a key-value pair: cap=dcf */
1508         if (rte_kvargs_process(kvlist, key,
1509                                iavf_dcf_cap_check_handler, NULL) < 0)
1510                 goto exit;
1511
1512         ret = 1;
1513
1514 exit:
1515         rte_kvargs_free(kvlist);
1516         return ret;
1517 }
1518
1519 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1520                              struct rte_pci_device *pci_dev)
1521 {
1522         if (iavf_dcf_cap_selected(pci_dev->device.devargs))
1523                 return 1;
1524
1525         return rte_eth_dev_pci_generic_probe(pci_dev,
1526                 sizeof(struct iavf_adapter), iavf_dev_init);
1527 }
1528
1529 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1530 {
1531         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1532 }
1533
1534 /* Adaptive virtual function driver struct */
1535 static struct rte_pci_driver rte_iavf_pmd = {
1536         .id_table = pci_id_iavf_map,
1537         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1538         .probe = eth_iavf_pci_probe,
1539         .remove = eth_iavf_pci_remove,
1540 };
1541
1542 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1543 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1544 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1545 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
1546 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
1547 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
1548 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1549 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
1550 #endif
1551 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1552 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
1553 #endif
1554 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1555 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG);
1556 #endif