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