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_log.h"
  29 #include "base/iavf_prototype.h"
  30 #include "base/iavf_adminq_cmd.h"
  31 #include "base/iavf_type.h"
  32
  33 #include "iavf.h"
  34 #include "iavf_rxtx.h"
  35
  36 static int iavf_dev_configure(struct rte_eth_dev *dev);
  37 static int iavf_dev_start(struct rte_eth_dev *dev);
  38 static void iavf_dev_stop(struct rte_eth_dev *dev);
  39 static void iavf_dev_close(struct rte_eth_dev *dev);
  40 static int iavf_dev_info_get(struct rte_eth_dev *dev,
  41                              struct rte_eth_dev_info *dev_info);
  42 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
  43 static int iavf_dev_stats_get(struct rte_eth_dev *dev,
  44                              struct rte_eth_stats *stats);
  45 static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
  46 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
  47 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  48 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  49 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
  50 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
  51                                 struct rte_ether_addr *addr,
  52                                 uint32_t index,
  53                                 uint32_t pool);
  54 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
  55 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
  56                                    uint16_t vlan_id, int on);
  57 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  58 static int iavf_dev_rss_reta_update(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_reta_query(struct rte_eth_dev *dev,
  62                                   struct rte_eth_rss_reta_entry64 *reta_conf,
  63                                   uint16_t reta_size);
  64 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
  65                                    struct rte_eth_rss_conf *rss_conf);
  66 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
  67                                      struct rte_eth_rss_conf *rss_conf);
  68 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  69 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
  70                                          struct rte_ether_addr *mac_addr);
  71 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
  72                                         uint16_t queue_id);
  73 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
  74                                          uint16_t queue_id);
  75
  76 int iavf_logtype_init;
  77 int iavf_logtype_driver;
  78
  79 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
  80 int iavf_logtype_rx;
  81 #endif
  82 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
  83 int iavf_logtype_tx;
  84 #endif
  85 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
  86 int iavf_logtype_tx_free;
  87 #endif
  88
  89 static const struct rte_pci_id pci_id_iavf_map[] = {
  90         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
  91         { .vendor_id = 0, /* sentinel */ },
  92 };
  93
  94 static const struct eth_dev_ops iavf_eth_dev_ops = {
  95         .dev_configure              = iavf_dev_configure,
  96         .dev_start                  = iavf_dev_start,
  97         .dev_stop                   = iavf_dev_stop,
  98         .dev_close                  = iavf_dev_close,
  99         .dev_infos_get              = iavf_dev_info_get,
 100         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
 101         .link_update                = iavf_dev_link_update,
 102         .stats_get                  = iavf_dev_stats_get,
 103         .stats_reset                = iavf_dev_stats_reset,
 104         .promiscuous_enable         = iavf_dev_promiscuous_enable,
 105         .promiscuous_disable        = iavf_dev_promiscuous_disable,
 106         .allmulticast_enable        = iavf_dev_allmulticast_enable,
 107         .allmulticast_disable       = iavf_dev_allmulticast_disable,
 108         .mac_addr_add               = iavf_dev_add_mac_addr,
 109         .mac_addr_remove            = iavf_dev_del_mac_addr,
 110         .vlan_filter_set            = iavf_dev_vlan_filter_set,
 111         .vlan_offload_set           = iavf_dev_vlan_offload_set,
 112         .rx_queue_start             = iavf_dev_rx_queue_start,
 113         .rx_queue_stop              = iavf_dev_rx_queue_stop,
 114         .tx_queue_start             = iavf_dev_tx_queue_start,
 115         .tx_queue_stop              = iavf_dev_tx_queue_stop,
 116         .rx_queue_setup             = iavf_dev_rx_queue_setup,
 117         .rx_queue_release           = iavf_dev_rx_queue_release,
 118         .tx_queue_setup             = iavf_dev_tx_queue_setup,
 119         .tx_queue_release           = iavf_dev_tx_queue_release,
 120         .mac_addr_set               = iavf_dev_set_default_mac_addr,
 121         .reta_update                = iavf_dev_rss_reta_update,
 122         .reta_query                 = iavf_dev_rss_reta_query,
 123         .rss_hash_update            = iavf_dev_rss_hash_update,
 124         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
 125         .rxq_info_get               = iavf_dev_rxq_info_get,
 126         .txq_info_get               = iavf_dev_txq_info_get,
 127         .rx_queue_count             = iavf_dev_rxq_count,
 128         .rx_descriptor_status       = iavf_dev_rx_desc_status,
 129         .tx_descriptor_status       = iavf_dev_tx_desc_status,
 130         .mtu_set                    = iavf_dev_mtu_set,
 131         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
 132         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
 133 };
 134
 135 static int
 136 iavf_dev_configure(struct rte_eth_dev *dev)
 137 {
 138         struct iavf_adapter *ad =
 139                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 140         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 141         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 142
 143         ad->rx_bulk_alloc_allowed = true;
 144         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 145          * vector Rx/Tx preconditions, it will be reset.
 146          */
 147         ad->rx_vec_allowed = true;
 148         ad->tx_vec_allowed = true;
 149
 150         dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 151
 152         /* Vlan stripping setting */
 153         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 154                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 155                         iavf_enable_vlan_strip(ad);
 156                 else
 157                         iavf_disable_vlan_strip(ad);
 158         }
 159         return 0;
 160 }
 161
 162 static int
 163 iavf_init_rss(struct iavf_adapter *adapter)
 164 {
 165         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
 166         struct rte_eth_rss_conf *rss_conf;
 167         uint8_t i, j, nb_q;
 168         int ret;
 169
 170         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 171         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 172                        IAVF_MAX_NUM_QUEUES);
 173
 174         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 175                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 176                 return -ENOTSUP;
 177         }
 178         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 179                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 180                 /* set all lut items to default queue */
 181                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 182                         vf->rss_lut[i] = 0;
 183                 ret = iavf_configure_rss_lut(adapter);
 184                 return ret;
 185         }
 186
 187         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 188          * to set based on rss_conf->rss_hf.
 189          */
 190
 191         /* configure RSS key */
 192         if (!rss_conf->rss_key) {
 193                 /* Calculate the default hash key */
 194                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 195                         vf->rss_key[i] = (uint8_t)rte_rand();
 196         } else
 197                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 198                            RTE_MIN(rss_conf->rss_key_len,
 199                                    vf->vf_res->rss_key_size));
 200
 201         /* init RSS LUT table */
 202         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 203                 if (j >= nb_q)
 204                         j = 0;
 205                 vf->rss_lut[i] = j;
 206         }
 207         /* send virtchnnl ops to configure rss*/
 208         ret = iavf_configure_rss_lut(adapter);
 209         if (ret)
 210                 return ret;
 211         ret = iavf_configure_rss_key(adapter);
 212         if (ret)
 213                 return ret;
 214
 215         return 0;
 216 }
 217
 218 static int
 219 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 220 {
 221         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 222         struct rte_eth_dev_data *dev_data = dev->data;
 223         uint16_t buf_size, max_pkt_len, len;
 224
 225         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 226
 227         /* Calculate the maximum packet length allowed */
 228         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
 229         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 230
 231         /* Check if the jumbo frame and maximum packet length are set
 232          * correctly.
 233          */
 234         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 235                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
 236                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
 237                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 238                                     "larger than %u and smaller than %u, "
 239                                     "as jumbo frame is enabled",
 240                                     (uint32_t)RTE_ETHER_MAX_LEN,
 241                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 242                         return -EINVAL;
 243                 }
 244         } else {
 245                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
 246                     max_pkt_len > RTE_ETHER_MAX_LEN) {
 247                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 248                                     "larger than %u and smaller than %u, "
 249                                     "as jumbo frame is disabled",
 250                                     (uint32_t)RTE_ETHER_MIN_LEN,
 251                                     (uint32_t)RTE_ETHER_MAX_LEN);
 252                         return -EINVAL;
 253                 }
 254         }
 255
 256         rxq->max_pkt_len = max_pkt_len;
 257         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 258             (rxq->max_pkt_len + 2 * IAVF_VLAN_TAG_SIZE) > buf_size) {
 259                 dev_data->scattered_rx = 1;
 260         }
 261         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 262         IAVF_WRITE_FLUSH(hw);
 263
 264         return 0;
 265 }
 266
 267 static int
 268 iavf_init_queues(struct rte_eth_dev *dev)
 269 {
 270         struct iavf_rx_queue **rxq =
 271                 (struct iavf_rx_queue **)dev->data->rx_queues;
 272         int i, ret = IAVF_SUCCESS;
 273
 274         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 275                 if (!rxq[i] || !rxq[i]->q_set)
 276                         continue;
 277                 ret = iavf_init_rxq(dev, rxq[i]);
 278                 if (ret != IAVF_SUCCESS)
 279                         break;
 280         }
 281         /* set rx/tx function to vector/scatter/single-segment
 282          * according to parameters
 283          */
 284         iavf_set_rx_function(dev);
 285         iavf_set_tx_function(dev);
 286
 287         return ret;
 288 }
 289
 290 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 291                                      struct rte_intr_handle *intr_handle)
 292 {
 293         struct iavf_adapter *adapter =
 294                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 295         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 296         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 297         uint16_t interval, i;
 298         int vec;
 299
 300         if (rte_intr_cap_multiple(intr_handle) &&
 301             dev->data->dev_conf.intr_conf.rxq) {
 302                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 303                         return -1;
 304         }
 305
 306         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 307                 intr_handle->intr_vec =
 308                         rte_zmalloc("intr_vec",
 309                                     dev->data->nb_rx_queues * sizeof(int), 0);
 310                 if (!intr_handle->intr_vec) {
 311                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 312                                     dev->data->nb_rx_queues);
 313                         return -1;
 314                 }
 315         }
 316
 317         if (!dev->data->dev_conf.intr_conf.rxq ||
 318             !rte_intr_dp_is_en(intr_handle)) {
 319                 /* Rx interrupt disabled, Map interrupt only for writeback */
 320                 vf->nb_msix = 1;
 321                 if (vf->vf_res->vf_cap_flags &
 322                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 323                         /* If WB_ON_ITR supports, enable it */
 324                         vf->msix_base = IAVF_RX_VEC_START;
 325                         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTLN1(vf->msix_base - 1),
 326                                       IAVFINT_DYN_CTLN1_ITR_INDX_MASK |
 327                                       IAVFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 328                 } else {
 329                         /* If no WB_ON_ITR offload flags, need to set
 330                          * interrupt for descriptor write back.
 331                          */
 332                         vf->msix_base = IAVF_MISC_VEC_ID;
 333
 334                         /* set ITR to max */
 335                         interval = iavf_calc_itr_interval(
 336                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
 337                         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
 338                                       IAVFINT_DYN_CTL01_INTENA_MASK |
 339                                       (IAVF_ITR_INDEX_DEFAULT <<
 340                                        IAVFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 341                                       (interval <<
 342                                        IAVFINT_DYN_CTL01_INTERVAL_SHIFT));
 343                 }
 344                 IAVF_WRITE_FLUSH(hw);
 345                 /* map all queues to the same interrupt */
 346                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 347                         vf->rxq_map[vf->msix_base] |= 1 << i;
 348         } else {
 349                 if (!rte_intr_allow_others(intr_handle)) {
 350                         vf->nb_msix = 1;
 351                         vf->msix_base = IAVF_MISC_VEC_ID;
 352                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 353                                 vf->rxq_map[vf->msix_base] |= 1 << i;
 354                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
 355                         }
 356                         PMD_DRV_LOG(DEBUG,
 357                                     "vector %u are mapping to all Rx queues",
 358                                     vf->msix_base);
 359                 } else {
 360                         /* If Rx interrupt is reuquired, and we can use
 361                          * multi interrupts, then the vec is from 1
 362                          */
 363                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 364                                               intr_handle->nb_efd);
 365                         vf->msix_base = IAVF_RX_VEC_START;
 366                         vec = IAVF_RX_VEC_START;
 367                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 368                                 vf->rxq_map[vec] |= 1 << i;
 369                                 intr_handle->intr_vec[i] = vec++;
 370                                 if (vec >= vf->nb_msix)
 371                                         vec = IAVF_RX_VEC_START;
 372                         }
 373                         PMD_DRV_LOG(DEBUG,
 374                                     "%u vectors are mapping to %u Rx queues",
 375                                     vf->nb_msix, dev->data->nb_rx_queues);
 376                 }
 377         }
 378
 379         if (iavf_config_irq_map(adapter)) {
 380                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 381                 return -1;
 382         }
 383         return 0;
 384 }
 385
 386 static int
 387 iavf_start_queues(struct rte_eth_dev *dev)
 388 {
 389         struct iavf_rx_queue *rxq;
 390         struct iavf_tx_queue *txq;
 391         int i;
 392
 393         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 394                 txq = dev->data->tx_queues[i];
 395                 if (txq->tx_deferred_start)
 396                         continue;
 397                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
 398                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 399                         return -1;
 400                 }
 401         }
 402
 403         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 404                 rxq = dev->data->rx_queues[i];
 405                 if (rxq->rx_deferred_start)
 406                         continue;
 407                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
 408                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 409                         return -1;
 410                 }
 411         }
 412
 413         return 0;
 414 }
 415
 416 static int
 417 iavf_dev_start(struct rte_eth_dev *dev)
 418 {
 419         struct iavf_adapter *adapter =
 420                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 421         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 422         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 423         struct rte_intr_handle *intr_handle = dev->intr_handle;
 424
 425         PMD_INIT_FUNC_TRACE();
 426
 427         hw->adapter_stopped = 0;
 428
 429         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 430         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 431                                       dev->data->nb_tx_queues);
 432
 433         if (iavf_init_queues(dev) != 0) {
 434                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 435                 return -1;
 436         }
 437
 438         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 439                 if (iavf_init_rss(adapter) != 0) {
 440                         PMD_DRV_LOG(ERR, "configure rss failed");
 441                         goto err_rss;
 442                 }
 443         }
 444
 445         if (iavf_configure_queues(adapter) != 0) {
 446                 PMD_DRV_LOG(ERR, "configure queues failed");
 447                 goto err_queue;
 448         }
 449
 450         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 451                 PMD_DRV_LOG(ERR, "configure irq failed");
 452                 goto err_queue;
 453         }
 454         /* re-enable intr again, because efd assign may change */
 455         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 456                 rte_intr_disable(intr_handle);
 457                 rte_intr_enable(intr_handle);
 458         }
 459
 460         /* Set all mac addrs */
 461         iavf_add_del_all_mac_addr(adapter, TRUE);
 462
 463         if (iavf_start_queues(dev) != 0) {
 464                 PMD_DRV_LOG(ERR, "enable queues failed");
 465                 goto err_mac;
 466         }
 467
 468         return 0;
 469
 470 err_mac:
 471         iavf_add_del_all_mac_addr(adapter, FALSE);
 472 err_queue:
 473 err_rss:
 474         return -1;
 475 }
 476
 477 static void
 478 iavf_dev_stop(struct rte_eth_dev *dev)
 479 {
 480         struct iavf_adapter *adapter =
 481                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 482         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 483         struct rte_intr_handle *intr_handle = dev->intr_handle;
 484
 485         PMD_INIT_FUNC_TRACE();
 486
 487         if (hw->adapter_stopped == 1)
 488                 return;
 489
 490         iavf_stop_queues(dev);
 491
 492         /* Disable the interrupt for Rx */
 493         rte_intr_efd_disable(intr_handle);
 494         /* Rx interrupt vector mapping free */
 495         if (intr_handle->intr_vec) {
 496                 rte_free(intr_handle->intr_vec);
 497                 intr_handle->intr_vec = NULL;
 498         }
 499
 500         /* remove all mac addrs */
 501         iavf_add_del_all_mac_addr(adapter, FALSE);
 502         hw->adapter_stopped = 1;
 503 }
 504
 505 static int
 506 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 507 {
 508         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 509
 510         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 511         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 512         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 513         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 514         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 515         dev_info->reta_size = vf->vf_res->rss_lut_size;
 516         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 517         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 518         dev_info->rx_offload_capa =
 519                 DEV_RX_OFFLOAD_VLAN_STRIP |
 520                 DEV_RX_OFFLOAD_QINQ_STRIP |
 521                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 522                 DEV_RX_OFFLOAD_UDP_CKSUM |
 523                 DEV_RX_OFFLOAD_TCP_CKSUM |
 524                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 525                 DEV_RX_OFFLOAD_SCATTER |
 526                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 527                 DEV_RX_OFFLOAD_VLAN_FILTER |
 528                 DEV_RX_OFFLOAD_RSS_HASH;
 529         dev_info->tx_offload_capa =
 530                 DEV_TX_OFFLOAD_VLAN_INSERT |
 531                 DEV_TX_OFFLOAD_QINQ_INSERT |
 532                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 533                 DEV_TX_OFFLOAD_UDP_CKSUM |
 534                 DEV_TX_OFFLOAD_TCP_CKSUM |
 535                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 536                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 537                 DEV_TX_OFFLOAD_TCP_TSO |
 538                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 539                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 540                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 541                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 542                 DEV_TX_OFFLOAD_MULTI_SEGS;
 543
 544         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 545                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 546                 .rx_drop_en = 0,
 547                 .offloads = 0,
 548         };
 549
 550         dev_info->default_txconf = (struct rte_eth_txconf) {
 551                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 552                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 553                 .offloads = 0,
 554         };
 555
 556         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 557                 .nb_max = IAVF_MAX_RING_DESC,
 558                 .nb_min = IAVF_MIN_RING_DESC,
 559                 .nb_align = IAVF_ALIGN_RING_DESC,
 560         };
 561
 562         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 563                 .nb_max = IAVF_MAX_RING_DESC,
 564                 .nb_min = IAVF_MIN_RING_DESC,
 565                 .nb_align = IAVF_ALIGN_RING_DESC,
 566         };
 567
 568         return 0;
 569 }
 570
 571 static const uint32_t *
 572 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 573 {
 574         static const uint32_t ptypes[] = {
 575                 RTE_PTYPE_L2_ETHER,
 576                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 577                 RTE_PTYPE_L4_FRAG,
 578                 RTE_PTYPE_L4_ICMP,
 579                 RTE_PTYPE_L4_NONFRAG,
 580                 RTE_PTYPE_L4_SCTP,
 581                 RTE_PTYPE_L4_TCP,
 582                 RTE_PTYPE_L4_UDP,
 583                 RTE_PTYPE_UNKNOWN
 584         };
 585         return ptypes;
 586 }
 587
 588 int
 589 iavf_dev_link_update(struct rte_eth_dev *dev,
 590                     __rte_unused int wait_to_complete)
 591 {
 592         struct rte_eth_link new_link;
 593         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 594
 595         /* Only read status info stored in VF, and the info is updated
 596          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 597          */
 598         switch (vf->link_speed) {
 599         case 10:
 600                 new_link.link_speed = ETH_SPEED_NUM_10M;
 601                 break;
 602         case 100:
 603                 new_link.link_speed = ETH_SPEED_NUM_100M;
 604                 break;
 605         case 1000:
 606                 new_link.link_speed = ETH_SPEED_NUM_1G;
 607                 break;
 608         case 10000:
 609                 new_link.link_speed = ETH_SPEED_NUM_10G;
 610                 break;
 611         case 20000:
 612                 new_link.link_speed = ETH_SPEED_NUM_20G;
 613                 break;
 614         case 25000:
 615                 new_link.link_speed = ETH_SPEED_NUM_25G;
 616                 break;
 617         case 40000:
 618                 new_link.link_speed = ETH_SPEED_NUM_40G;
 619                 break;
 620         case 50000:
 621                 new_link.link_speed = ETH_SPEED_NUM_50G;
 622                 break;
 623         case 100000:
 624                 new_link.link_speed = ETH_SPEED_NUM_100G;
 625                 break;
 626         default:
 627                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 628                 break;
 629         }
 630
 631         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 632         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 633                                              ETH_LINK_DOWN;
 634         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 635                                 ETH_LINK_SPEED_FIXED);
 636
 637         if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 638                                 *(uint64_t *)&dev->data->dev_link,
 639                                 *(uint64_t *)&new_link) == 0)
 640                 return -1;
 641
 642         return 0;
 643 }
 644
 645 static int
 646 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 647 {
 648         struct iavf_adapter *adapter =
 649                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 650         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 651         int ret;
 652
 653         if (vf->promisc_unicast_enabled)
 654                 return 0;
 655
 656         ret = iavf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
 657         if (!ret)
 658                 vf->promisc_unicast_enabled = TRUE;
 659         else
 660                 ret = -EAGAIN;
 661
 662         return ret;
 663 }
 664
 665 static int
 666 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 667 {
 668         struct iavf_adapter *adapter =
 669                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 670         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 671         int ret;
 672
 673         if (!vf->promisc_unicast_enabled)
 674                 return 0;
 675
 676         ret = iavf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
 677         if (!ret)
 678                 vf->promisc_unicast_enabled = FALSE;
 679         else
 680                 ret = -EAGAIN;
 681
 682         return ret;
 683 }
 684
 685 static int
 686 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 687 {
 688         struct iavf_adapter *adapter =
 689                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 690         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 691         int ret;
 692
 693         if (vf->promisc_multicast_enabled)
 694                 return 0;
 695
 696         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
 697         if (!ret)
 698                 vf->promisc_multicast_enabled = TRUE;
 699         else
 700                 ret = -EAGAIN;
 701
 702         return ret;
 703 }
 704
 705 static int
 706 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 707 {
 708         struct iavf_adapter *adapter =
 709                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 710         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 711         int ret;
 712
 713         if (!vf->promisc_multicast_enabled)
 714                 return 0;
 715
 716         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
 717         if (!ret)
 718                 vf->promisc_multicast_enabled = FALSE;
 719         else
 720                 ret = -EAGAIN;
 721
 722         return ret;
 723 }
 724
 725 static int
 726 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 727                      __rte_unused uint32_t index,
 728                      __rte_unused uint32_t pool)
 729 {
 730         struct iavf_adapter *adapter =
 731                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 732         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 733         int err;
 734
 735         if (rte_is_zero_ether_addr(addr)) {
 736                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 737                 return -EINVAL;
 738         }
 739
 740         err = iavf_add_del_eth_addr(adapter, addr, TRUE);
 741         if (err) {
 742                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 743                 return -EIO;
 744         }
 745
 746         vf->mac_num++;
 747
 748         return 0;
 749 }
 750
 751 static void
 752 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 753 {
 754         struct iavf_adapter *adapter =
 755                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 756         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 757         struct rte_ether_addr *addr;
 758         int err;
 759
 760         addr = &dev->data->mac_addrs[index];
 761
 762         err = iavf_add_del_eth_addr(adapter, addr, FALSE);
 763         if (err)
 764                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 765
 766         vf->mac_num--;
 767 }
 768
 769 static int
 770 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 771 {
 772         struct iavf_adapter *adapter =
 773                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 774         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 775         int err;
 776
 777         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 778                 return -ENOTSUP;
 779
 780         err = iavf_add_del_vlan(adapter, vlan_id, on);
 781         if (err)
 782                 return -EIO;
 783         return 0;
 784 }
 785
 786 static int
 787 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 788 {
 789         struct iavf_adapter *adapter =
 790                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 791         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 792         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 793         int err;
 794
 795         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 796                 return -ENOTSUP;
 797
 798         /* Vlan stripping setting */
 799         if (mask & ETH_VLAN_STRIP_MASK) {
 800                 /* Enable or disable VLAN stripping */
 801                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 802                         err = iavf_enable_vlan_strip(adapter);
 803                 else
 804                         err = iavf_disable_vlan_strip(adapter);
 805
 806                 if (err)
 807                         return -EIO;
 808         }
 809         return 0;
 810 }
 811
 812 static int
 813 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 814                         struct rte_eth_rss_reta_entry64 *reta_conf,
 815                         uint16_t reta_size)
 816 {
 817         struct iavf_adapter *adapter =
 818                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 819         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 820         uint8_t *lut;
 821         uint16_t i, idx, shift;
 822         int ret;
 823
 824         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 825                 return -ENOTSUP;
 826
 827         if (reta_size != vf->vf_res->rss_lut_size) {
 828                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 829                         "(%d) doesn't match the number of hardware can "
 830                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 831                 return -EINVAL;
 832         }
 833
 834         lut = rte_zmalloc("rss_lut", reta_size, 0);
 835         if (!lut) {
 836                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 837                 return -ENOMEM;
 838         }
 839         /* store the old lut table temporarily */
 840         rte_memcpy(lut, vf->rss_lut, reta_size);
 841
 842         for (i = 0; i < reta_size; i++) {
 843                 idx = i / RTE_RETA_GROUP_SIZE;
 844                 shift = i % RTE_RETA_GROUP_SIZE;
 845                 if (reta_conf[idx].mask & (1ULL << shift))
 846                         lut[i] = reta_conf[idx].reta[shift];
 847         }
 848
 849         rte_memcpy(vf->rss_lut, lut, reta_size);
 850         /* send virtchnnl ops to configure rss*/
 851         ret = iavf_configure_rss_lut(adapter);
 852         if (ret) /* revert back */
 853                 rte_memcpy(vf->rss_lut, lut, reta_size);
 854         rte_free(lut);
 855
 856         return ret;
 857 }
 858
 859 static int
 860 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 861                        struct rte_eth_rss_reta_entry64 *reta_conf,
 862                        uint16_t reta_size)
 863 {
 864         struct iavf_adapter *adapter =
 865                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 866         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 867         uint16_t i, idx, shift;
 868
 869         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 870                 return -ENOTSUP;
 871
 872         if (reta_size != vf->vf_res->rss_lut_size) {
 873                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 874                         "(%d) doesn't match the number of hardware can "
 875                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 876                 return -EINVAL;
 877         }
 878
 879         for (i = 0; i < reta_size; i++) {
 880                 idx = i / RTE_RETA_GROUP_SIZE;
 881                 shift = i % RTE_RETA_GROUP_SIZE;
 882                 if (reta_conf[idx].mask & (1ULL << shift))
 883                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 884         }
 885
 886         return 0;
 887 }
 888
 889 static int
 890 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 891                         struct rte_eth_rss_conf *rss_conf)
 892 {
 893         struct iavf_adapter *adapter =
 894                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 895         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 896
 897         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 898                 return -ENOTSUP;
 899
 900         /* HENA setting, it is enabled by default, no change */
 901         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 902                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 903                 return 0;
 904         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 905                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 906                         "(%d) doesn't match the size of hardware can "
 907                         "support (%d)", rss_conf->rss_key_len,
 908                         vf->vf_res->rss_key_size);
 909                 return -EINVAL;
 910         }
 911
 912         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 913
 914         return iavf_configure_rss_key(adapter);
 915 }
 916
 917 static int
 918 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 919                           struct rte_eth_rss_conf *rss_conf)
 920 {
 921         struct iavf_adapter *adapter =
 922                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 923         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 924
 925         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 926                 return -ENOTSUP;
 927
 928          /* Just set it to default value now. */
 929         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 930
 931         if (!rss_conf->rss_key)
 932                 return 0;
 933
 934         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 935         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 936
 937         return 0;
 938 }
 939
 940 static int
 941 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 942 {
 943         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 944         int ret = 0;
 945
 946         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 947                 return -EINVAL;
 948
 949         /* mtu setting is forbidden if port is start */
 950         if (dev->data->dev_started) {
 951                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 952                 return -EBUSY;
 953         }
 954
 955         if (frame_size > RTE_ETHER_MAX_LEN)
 956                 dev->data->dev_conf.rxmode.offloads |=
 957                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 958         else
 959                 dev->data->dev_conf.rxmode.offloads &=
 960                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 961
 962         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 963
 964         return ret;
 965 }
 966
 967 static int
 968 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 969                              struct rte_ether_addr *mac_addr)
 970 {
 971         struct iavf_adapter *adapter =
 972                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 973         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 974         struct rte_ether_addr *perm_addr, *old_addr;
 975         int ret;
 976
 977         old_addr = (struct rte_ether_addr *)hw->mac.addr;
 978         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
 979
 980         if (rte_is_same_ether_addr(mac_addr, old_addr))
 981                 return 0;
 982
 983         /* If the MAC address is configured by host, skip the setting */
 984         if (rte_is_valid_assigned_ether_addr(perm_addr))
 985                 return -EPERM;
 986
 987         ret = iavf_add_del_eth_addr(adapter, old_addr, FALSE);
 988         if (ret)
 989                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 990                             " %02X:%02X:%02X:%02X:%02X:%02X",
 991                             old_addr->addr_bytes[0],
 992                             old_addr->addr_bytes[1],
 993                             old_addr->addr_bytes[2],
 994                             old_addr->addr_bytes[3],
 995                             old_addr->addr_bytes[4],
 996                             old_addr->addr_bytes[5]);
 997
 998         ret = iavf_add_del_eth_addr(adapter, mac_addr, TRUE);
 999         if (ret)
1000                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
1001                             " %02X:%02X:%02X:%02X:%02X:%02X",
1002                             mac_addr->addr_bytes[0],
1003                             mac_addr->addr_bytes[1],
1004                             mac_addr->addr_bytes[2],
1005                             mac_addr->addr_bytes[3],
1006                             mac_addr->addr_bytes[4],
1007                             mac_addr->addr_bytes[5]);
1008
1009         if (ret)
1010                 return -EIO;
1011
1012         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1013         return 0;
1014 }
1015
1016 static void
1017 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1018 {
1019         if (*stat >= *offset)
1020                 *stat = *stat - *offset;
1021         else
1022                 *stat = (uint64_t)((*stat +
1023                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1024
1025         *stat &= IAVF_48_BIT_MASK;
1026 }
1027
1028 static void
1029 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1030 {
1031         if (*stat >= *offset)
1032                 *stat = (uint64_t)(*stat - *offset);
1033         else
1034                 *stat = (uint64_t)((*stat +
1035                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1036 }
1037
1038 static void
1039 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1040 {
1041         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1042
1043         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1044         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1045         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1046         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1047         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1048         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1049         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1050         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1051         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1052         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1053         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1054 }
1055
1056 static int
1057 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1058 {
1059         struct iavf_adapter *adapter =
1060                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1061         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1062         struct iavf_vsi *vsi = &vf->vsi;
1063         struct virtchnl_eth_stats *pstats = NULL;
1064         int ret;
1065
1066         ret = iavf_query_stats(adapter, &pstats);
1067         if (ret == 0) {
1068                 iavf_update_stats(vsi, pstats);
1069                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1070                                                 pstats->rx_broadcast;
1071                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1072                                                 pstats->tx_unicast;
1073                 stats->imissed = pstats->rx_discards;
1074                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1075                 stats->ibytes = pstats->rx_bytes;
1076                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1077                 stats->obytes = pstats->tx_bytes;
1078         } else {
1079                 PMD_DRV_LOG(ERR, "Get statistics failed");
1080         }
1081         return -EIO;
1082 }
1083
1084 static int
1085 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1086 {
1087         int ret;
1088         struct iavf_adapter *adapter =
1089                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1090         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1091         struct iavf_vsi *vsi = &vf->vsi;
1092         struct virtchnl_eth_stats *pstats = NULL;
1093
1094         /* read stat values to clear hardware registers */
1095         ret = iavf_query_stats(adapter, &pstats);
1096         if (ret != 0)
1097                 return ret;
1098
1099         /* set stats offset base on current values */
1100         vsi->eth_stats_offset = *pstats;
1101
1102         return 0;
1103 }
1104
1105 static int
1106 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1107 {
1108         struct iavf_adapter *adapter =
1109                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1110         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1111         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1112         uint16_t msix_intr;
1113
1114         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1115         if (msix_intr == IAVF_MISC_VEC_ID) {
1116                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1117                 IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
1118                               IAVFINT_DYN_CTL01_INTENA_MASK |
1119                               IAVFINT_DYN_CTL01_CLEARPBA_MASK |
1120                               IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1121         } else {
1122                 IAVF_WRITE_REG(hw,
1123                               IAVFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1124                               IAVFINT_DYN_CTLN1_INTENA_MASK |
1125                               IAVFINT_DYN_CTL01_CLEARPBA_MASK |
1126                               IAVFINT_DYN_CTLN1_ITR_INDX_MASK);
1127         }
1128
1129         IAVF_WRITE_FLUSH(hw);
1130
1131         rte_intr_ack(&pci_dev->intr_handle);
1132
1133         return 0;
1134 }
1135
1136 static int
1137 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1138 {
1139         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1140         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1141         uint16_t msix_intr;
1142
1143         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1144         if (msix_intr == IAVF_MISC_VEC_ID) {
1145                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1146                 return -EIO;
1147         }
1148
1149         IAVF_WRITE_REG(hw,
1150                       IAVFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1151                       0);
1152
1153         IAVF_WRITE_FLUSH(hw);
1154         return 0;
1155 }
1156
1157 static int
1158 iavf_check_vf_reset_done(struct iavf_hw *hw)
1159 {
1160         int i, reset;
1161
1162         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1163                 reset = IAVF_READ_REG(hw, IAVFGEN_RSTAT) &
1164                         IAVFGEN_RSTAT_VFR_STATE_MASK;
1165                 reset = reset >> IAVFGEN_RSTAT_VFR_STATE_SHIFT;
1166                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1167                     reset == VIRTCHNL_VFR_COMPLETED)
1168                         break;
1169                 rte_delay_ms(20);
1170         }
1171
1172         if (i >= IAVF_RESET_WAIT_CNT)
1173                 return -1;
1174
1175         return 0;
1176 }
1177
1178 static int
1179 iavf_init_vf(struct rte_eth_dev *dev)
1180 {
1181         int err, bufsz;
1182         struct iavf_adapter *adapter =
1183                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1184         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1185         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1186
1187         err = iavf_set_mac_type(hw);
1188         if (err) {
1189                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1190                 goto err;
1191         }
1192
1193         err = iavf_check_vf_reset_done(hw);
1194         if (err) {
1195                 PMD_INIT_LOG(ERR, "VF is still resetting");
1196                 goto err;
1197         }
1198
1199         iavf_init_adminq_parameter(hw);
1200         err = iavf_init_adminq(hw);
1201         if (err) {
1202                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1203                 goto err;
1204         }
1205
1206         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1207         if (!vf->aq_resp) {
1208                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1209                 goto err_aq;
1210         }
1211         if (iavf_check_api_version(adapter) != 0) {
1212                 PMD_INIT_LOG(ERR, "check_api version failed");
1213                 goto err_api;
1214         }
1215
1216         bufsz = sizeof(struct virtchnl_vf_resource) +
1217                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1218         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1219         if (!vf->vf_res) {
1220                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1221                 goto err_api;
1222         }
1223         if (iavf_get_vf_resource(adapter) != 0) {
1224                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1225                 goto err_alloc;
1226         }
1227         /* Allocate memort for RSS info */
1228         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1229                 vf->rss_key = rte_zmalloc("rss_key",
1230                                           vf->vf_res->rss_key_size, 0);
1231                 if (!vf->rss_key) {
1232                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1233                         goto err_rss;
1234                 }
1235                 vf->rss_lut = rte_zmalloc("rss_lut",
1236                                           vf->vf_res->rss_lut_size, 0);
1237                 if (!vf->rss_lut) {
1238                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1239                         goto err_rss;
1240                 }
1241         }
1242         return 0;
1243 err_rss:
1244         rte_free(vf->rss_key);
1245         rte_free(vf->rss_lut);
1246 err_alloc:
1247         rte_free(vf->vf_res);
1248         vf->vsi_res = NULL;
1249 err_api:
1250         rte_free(vf->aq_resp);
1251 err_aq:
1252         iavf_shutdown_adminq(hw);
1253 err:
1254         return -1;
1255 }
1256
1257 /* Enable default admin queue interrupt setting */
1258 static inline void
1259 iavf_enable_irq0(struct iavf_hw *hw)
1260 {
1261         /* Enable admin queue interrupt trigger */
1262         IAVF_WRITE_REG(hw, IAVFINT_ICR0_ENA1, IAVFINT_ICR0_ENA1_ADMINQ_MASK);
1263
1264         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01, IAVFINT_DYN_CTL01_INTENA_MASK |
1265                 IAVFINT_DYN_CTL01_CLEARPBA_MASK | IAVFINT_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, IAVFINT_ICR0_ENA1, 0);
1275         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
1276                       IAVFINT_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
1331         if (iavf_init_vf(eth_dev) != 0) {
1332                 PMD_INIT_LOG(ERR, "Init vf failed");
1333                 return -1;
1334         }
1335
1336         /* copy mac addr */
1337         eth_dev->data->mac_addrs = rte_zmalloc(
1338                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1339         if (!eth_dev->data->mac_addrs) {
1340                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1341                              " store MAC addresses",
1342                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1343                 return -ENOMEM;
1344         }
1345         /* If the MAC address is not configured by host,
1346          * generate a random one.
1347          */
1348         if (!rte_is_valid_assigned_ether_addr(
1349                         (struct rte_ether_addr *)hw->mac.addr))
1350                 rte_eth_random_addr(hw->mac.addr);
1351         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1352                         &eth_dev->data->mac_addrs[0]);
1353
1354         /* register callback func to eal lib */
1355         rte_intr_callback_register(&pci_dev->intr_handle,
1356                                    iavf_dev_interrupt_handler,
1357                                    (void *)eth_dev);
1358
1359         /* enable uio intr after callback register */
1360         rte_intr_enable(&pci_dev->intr_handle);
1361
1362         /* configure and enable device interrupt */
1363         iavf_enable_irq0(hw);
1364
1365         return 0;
1366 }
1367
1368 static void
1369 iavf_dev_close(struct rte_eth_dev *dev)
1370 {
1371         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1372         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1373         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1374
1375         iavf_dev_stop(dev);
1376         iavf_shutdown_adminq(hw);
1377         /* disable uio intr before callback unregister */
1378         rte_intr_disable(intr_handle);
1379
1380         /* unregister callback func from eal lib */
1381         rte_intr_callback_unregister(intr_handle,
1382                                      iavf_dev_interrupt_handler, dev);
1383         iavf_disable_irq0(hw);
1384 }
1385
1386 static int
1387 iavf_dev_uninit(struct rte_eth_dev *dev)
1388 {
1389         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1390         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(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         if (hw->adapter_stopped == 0)
1399                 iavf_dev_close(dev);
1400
1401         rte_free(vf->vf_res);
1402         vf->vsi_res = NULL;
1403         vf->vf_res = NULL;
1404
1405         rte_free(vf->aq_resp);
1406         vf->aq_resp = NULL;
1407
1408         if (vf->rss_lut) {
1409                 rte_free(vf->rss_lut);
1410                 vf->rss_lut = NULL;
1411         }
1412         if (vf->rss_key) {
1413                 rte_free(vf->rss_key);
1414                 vf->rss_key = NULL;
1415         }
1416
1417         return 0;
1418 }
1419
1420 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1421                              struct rte_pci_device *pci_dev)
1422 {
1423         return rte_eth_dev_pci_generic_probe(pci_dev,
1424                 sizeof(struct iavf_adapter), iavf_dev_init);
1425 }
1426
1427 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1428 {
1429         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1430 }
1431
1432 /* Adaptive virtual function driver struct */
1433 static struct rte_pci_driver rte_iavf_pmd = {
1434         .id_table = pci_id_iavf_map,
1435         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1436         .probe = eth_iavf_pci_probe,
1437         .remove = eth_iavf_pci_remove,
1438 };
1439
1440 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1441 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1442 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1443 RTE_INIT(iavf_init_log)
1444 {
1445         iavf_logtype_init = rte_log_register("pmd.net.iavf.init");
1446         if (iavf_logtype_init >= 0)
1447                 rte_log_set_level(iavf_logtype_init, RTE_LOG_NOTICE);
1448         iavf_logtype_driver = rte_log_register("pmd.net.iavf.driver");
1449         if (iavf_logtype_driver >= 0)
1450                 rte_log_set_level(iavf_logtype_driver, RTE_LOG_NOTICE);
1451
1452 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1453         iavf_logtype_rx = rte_log_register("pmd.net.iavf.rx");
1454         if (iavf_logtype_rx >= 0)
1455                 rte_log_set_level(iavf_logtype_rx, RTE_LOG_DEBUG);
1456 #endif
1457
1458 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1459         iavf_logtype_tx = rte_log_register("pmd.net.iavf.tx");
1460         if (iavf_logtype_tx >= 0)
1461                 rte_log_set_level(iavf_logtype_tx, RTE_LOG_DEBUG);
1462 #endif
1463
1464 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1465         iavf_logtype_tx_free = rte_log_register("pmd.net.iavf.tx_free");
1466         if (iavf_logtype_tx_free >= 0)
1467                 rte_log_set_level(iavf_logtype_tx_free, RTE_LOG_DEBUG);
1468 #endif
1469 }
1470
1471 /* memory func for base code */
1472 enum iavf_status_code
1473 iavf_allocate_dma_mem_d(__rte_unused struct iavf_hw *hw,
1474                        struct iavf_dma_mem *mem,
1475                        u64 size,
1476                        u32 alignment)
1477 {
1478         const struct rte_memzone *mz = NULL;
1479         char z_name[RTE_MEMZONE_NAMESIZE];
1480
1481         if (!mem)
1482                 return IAVF_ERR_PARAM;
1483
1484         snprintf(z_name, sizeof(z_name), "iavf_dma_%"PRIu64, rte_rand());
1485         mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY,
1486                         RTE_MEMZONE_IOVA_CONTIG, alignment, RTE_PGSIZE_2M);
1487         if (!mz)
1488                 return IAVF_ERR_NO_MEMORY;
1489
1490         mem->size = size;
1491         mem->va = mz->addr;
1492         mem->pa = mz->phys_addr;
1493         mem->zone = (const void *)mz;
1494         PMD_DRV_LOG(DEBUG,
1495                     "memzone %s allocated with physical address: %"PRIu64,
1496                     mz->name, mem->pa);
1497
1498         return IAVF_SUCCESS;
1499 }
1500
1501 enum iavf_status_code
1502 iavf_free_dma_mem_d(__rte_unused struct iavf_hw *hw,
1503                    struct iavf_dma_mem *mem)
1504 {
1505         if (!mem)
1506                 return IAVF_ERR_PARAM;
1507
1508         PMD_DRV_LOG(DEBUG,
1509                     "memzone %s to be freed with physical address: %"PRIu64,
1510                     ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1511         rte_memzone_free((const struct rte_memzone *)mem->zone);
1512         mem->zone = NULL;
1513         mem->va = NULL;
1514         mem->pa = (u64)0;
1515
1516         return IAVF_SUCCESS;
1517 }
1518
1519 enum iavf_status_code
1520 iavf_allocate_virt_mem_d(__rte_unused struct iavf_hw *hw,
1521                         struct iavf_virt_mem *mem,
1522                         u32 size)
1523 {
1524         if (!mem)
1525                 return IAVF_ERR_PARAM;
1526
1527         mem->size = size;
1528         mem->va = rte_zmalloc("iavf", size, 0);
1529
1530         if (mem->va)
1531                 return IAVF_SUCCESS;
1532         else
1533                 return IAVF_ERR_NO_MEMORY;
1534 }
1535
1536 enum iavf_status_code
1537 iavf_free_virt_mem_d(__rte_unused struct iavf_hw *hw,
1538                     struct iavf_virt_mem *mem)
1539 {
1540         if (!mem)
1541                 return IAVF_ERR_PARAM;
1542
1543         rte_free(mem->va);
1544         mem->va = NULL;
1545
1546         return IAVF_SUCCESS;
1547 }