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 void iavf_dev_stats_reset(struct rte_eth_dev *dev);
  46 static void iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
  47 static void iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  48 static void iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  49 static void 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 static const struct rte_pci_id pci_id_iavf_map[] = {
  80         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
  81         { .vendor_id = 0, /* sentinel */ },
  82 };
  83
  84 static const struct eth_dev_ops iavf_eth_dev_ops = {
  85         .dev_configure              = iavf_dev_configure,
  86         .dev_start                  = iavf_dev_start,
  87         .dev_stop                   = iavf_dev_stop,
  88         .dev_close                  = iavf_dev_close,
  89         .dev_infos_get              = iavf_dev_info_get,
  90         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
  91         .link_update                = iavf_dev_link_update,
  92         .stats_get                  = iavf_dev_stats_get,
  93         .stats_reset                = iavf_dev_stats_reset,
  94         .promiscuous_enable         = iavf_dev_promiscuous_enable,
  95         .promiscuous_disable        = iavf_dev_promiscuous_disable,
  96         .allmulticast_enable        = iavf_dev_allmulticast_enable,
  97         .allmulticast_disable       = iavf_dev_allmulticast_disable,
  98         .mac_addr_add               = iavf_dev_add_mac_addr,
  99         .mac_addr_remove            = iavf_dev_del_mac_addr,
 100         .vlan_filter_set            = iavf_dev_vlan_filter_set,
 101         .vlan_offload_set           = iavf_dev_vlan_offload_set,
 102         .rx_queue_start             = iavf_dev_rx_queue_start,
 103         .rx_queue_stop              = iavf_dev_rx_queue_stop,
 104         .tx_queue_start             = iavf_dev_tx_queue_start,
 105         .tx_queue_stop              = iavf_dev_tx_queue_stop,
 106         .rx_queue_setup             = iavf_dev_rx_queue_setup,
 107         .rx_queue_release           = iavf_dev_rx_queue_release,
 108         .tx_queue_setup             = iavf_dev_tx_queue_setup,
 109         .tx_queue_release           = iavf_dev_tx_queue_release,
 110         .mac_addr_set               = iavf_dev_set_default_mac_addr,
 111         .reta_update                = iavf_dev_rss_reta_update,
 112         .reta_query                 = iavf_dev_rss_reta_query,
 113         .rss_hash_update            = iavf_dev_rss_hash_update,
 114         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
 115         .rxq_info_get               = iavf_dev_rxq_info_get,
 116         .txq_info_get               = iavf_dev_txq_info_get,
 117         .rx_queue_count             = iavf_dev_rxq_count,
 118         .rx_descriptor_status       = iavf_dev_rx_desc_status,
 119         .tx_descriptor_status       = iavf_dev_tx_desc_status,
 120         .mtu_set                    = iavf_dev_mtu_set,
 121         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
 122         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
 123 };
 124
 125 static int
 126 iavf_dev_configure(struct rte_eth_dev *dev)
 127 {
 128         struct iavf_adapter *ad =
 129                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 130         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 131         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 132
 133         ad->rx_bulk_alloc_allowed = true;
 134 #ifdef RTE_LIBRTE_IAVF_INC_VECTOR
 135         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 136          * vector Rx/Tx preconditions, it will be reset.
 137          */
 138         ad->rx_vec_allowed = true;
 139         ad->tx_vec_allowed = true;
 140 #else
 141         ad->rx_vec_allowed = false;
 142         ad->tx_vec_allowed = false;
 143 #endif
 144
 145         /* Vlan stripping setting */
 146         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 147                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 148                         iavf_enable_vlan_strip(ad);
 149                 else
 150                         iavf_disable_vlan_strip(ad);
 151         }
 152         return 0;
 153 }
 154
 155 static int
 156 iavf_init_rss(struct iavf_adapter *adapter)
 157 {
 158         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
 159         struct rte_eth_rss_conf *rss_conf;
 160         uint8_t i, j, nb_q;
 161         int ret;
 162
 163         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 164         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 165                        IAVF_MAX_NUM_QUEUES);
 166
 167         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 168                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 169                 return -ENOTSUP;
 170         }
 171         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 172                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 173                 /* set all lut items to default queue */
 174                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 175                         vf->rss_lut[i] = 0;
 176                 ret = iavf_configure_rss_lut(adapter);
 177                 return ret;
 178         }
 179
 180         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 181          * to set based on rss_conf->rss_hf.
 182          */
 183
 184         /* configure RSS key */
 185         if (!rss_conf->rss_key) {
 186                 /* Calculate the default hash key */
 187                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 188                         vf->rss_key[i] = (uint8_t)rte_rand();
 189         } else
 190                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 191                            RTE_MIN(rss_conf->rss_key_len,
 192                                    vf->vf_res->rss_key_size));
 193
 194         /* init RSS LUT table */
 195         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 196                 if (j >= nb_q)
 197                         j = 0;
 198                 vf->rss_lut[i] = j;
 199         }
 200         /* send virtchnnl ops to configure rss*/
 201         ret = iavf_configure_rss_lut(adapter);
 202         if (ret)
 203                 return ret;
 204         ret = iavf_configure_rss_key(adapter);
 205         if (ret)
 206                 return ret;
 207
 208         return 0;
 209 }
 210
 211 static int
 212 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 213 {
 214         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 215         struct rte_eth_dev_data *dev_data = dev->data;
 216         uint16_t buf_size, max_pkt_len, len;
 217
 218         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 219
 220         /* Calculate the maximum packet length allowed */
 221         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
 222         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 223
 224         /* Check if the jumbo frame and maximum packet length are set
 225          * correctly.
 226          */
 227         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 228                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
 229                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
 230                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 231                                     "larger than %u and smaller than %u, "
 232                                     "as jumbo frame is enabled",
 233                                     (uint32_t)RTE_ETHER_MAX_LEN,
 234                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 235                         return -EINVAL;
 236                 }
 237         } else {
 238                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
 239                     max_pkt_len > RTE_ETHER_MAX_LEN) {
 240                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 241                                     "larger than %u and smaller than %u, "
 242                                     "as jumbo frame is disabled",
 243                                     (uint32_t)RTE_ETHER_MIN_LEN,
 244                                     (uint32_t)RTE_ETHER_MAX_LEN);
 245                         return -EINVAL;
 246                 }
 247         }
 248
 249         rxq->max_pkt_len = max_pkt_len;
 250         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 251             (rxq->max_pkt_len + 2 * IAVF_VLAN_TAG_SIZE) > buf_size) {
 252                 dev_data->scattered_rx = 1;
 253         }
 254         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 255         IAVF_WRITE_FLUSH(hw);
 256
 257         return 0;
 258 }
 259
 260 static int
 261 iavf_init_queues(struct rte_eth_dev *dev)
 262 {
 263         struct iavf_rx_queue **rxq =
 264                 (struct iavf_rx_queue **)dev->data->rx_queues;
 265         int i, ret = IAVF_SUCCESS;
 266
 267         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 268                 if (!rxq[i] || !rxq[i]->q_set)
 269                         continue;
 270                 ret = iavf_init_rxq(dev, rxq[i]);
 271                 if (ret != IAVF_SUCCESS)
 272                         break;
 273         }
 274         /* set rx/tx function to vector/scatter/single-segment
 275          * according to parameters
 276          */
 277         iavf_set_rx_function(dev);
 278         iavf_set_tx_function(dev);
 279
 280         return ret;
 281 }
 282
 283 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 284                                      struct rte_intr_handle *intr_handle)
 285 {
 286         struct iavf_adapter *adapter =
 287                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 288         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 289         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 290         uint16_t interval, i;
 291         int vec;
 292
 293         if (rte_intr_cap_multiple(intr_handle) &&
 294             dev->data->dev_conf.intr_conf.rxq) {
 295                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 296                         return -1;
 297         }
 298
 299         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 300                 intr_handle->intr_vec =
 301                         rte_zmalloc("intr_vec",
 302                                     dev->data->nb_rx_queues * sizeof(int), 0);
 303                 if (!intr_handle->intr_vec) {
 304                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 305                                     dev->data->nb_rx_queues);
 306                         return -1;
 307                 }
 308         }
 309
 310         if (!dev->data->dev_conf.intr_conf.rxq ||
 311             !rte_intr_dp_is_en(intr_handle)) {
 312                 /* Rx interrupt disabled, Map interrupt only for writeback */
 313                 vf->nb_msix = 1;
 314                 if (vf->vf_res->vf_cap_flags &
 315                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 316                         /* If WB_ON_ITR supports, enable it */
 317                         vf->msix_base = IAVF_RX_VEC_START;
 318                         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTLN1(vf->msix_base - 1),
 319                                       IAVFINT_DYN_CTLN1_ITR_INDX_MASK |
 320                                       IAVFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 321                 } else {
 322                         /* If no WB_ON_ITR offload flags, need to set
 323                          * interrupt for descriptor write back.
 324                          */
 325                         vf->msix_base = IAVF_MISC_VEC_ID;
 326
 327                         /* set ITR to max */
 328                         interval = iavf_calc_itr_interval(
 329                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
 330                         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
 331                                       IAVFINT_DYN_CTL01_INTENA_MASK |
 332                                       (IAVF_ITR_INDEX_DEFAULT <<
 333                                        IAVFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 334                                       (interval <<
 335                                        IAVFINT_DYN_CTL01_INTERVAL_SHIFT));
 336                 }
 337                 IAVF_WRITE_FLUSH(hw);
 338                 /* map all queues to the same interrupt */
 339                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 340                         vf->rxq_map[vf->msix_base] |= 1 << i;
 341         } else {
 342                 if (!rte_intr_allow_others(intr_handle)) {
 343                         vf->nb_msix = 1;
 344                         vf->msix_base = IAVF_MISC_VEC_ID;
 345                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 346                                 vf->rxq_map[vf->msix_base] |= 1 << i;
 347                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
 348                         }
 349                         PMD_DRV_LOG(DEBUG,
 350                                     "vector %u are mapping to all Rx queues",
 351                                     vf->msix_base);
 352                 } else {
 353                         /* If Rx interrupt is reuquired, and we can use
 354                          * multi interrupts, then the vec is from 1
 355                          */
 356                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 357                                               intr_handle->nb_efd);
 358                         vf->msix_base = IAVF_RX_VEC_START;
 359                         vec = IAVF_RX_VEC_START;
 360                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 361                                 vf->rxq_map[vec] |= 1 << i;
 362                                 intr_handle->intr_vec[i] = vec++;
 363                                 if (vec >= vf->nb_msix)
 364                                         vec = IAVF_RX_VEC_START;
 365                         }
 366                         PMD_DRV_LOG(DEBUG,
 367                                     "%u vectors are mapping to %u Rx queues",
 368                                     vf->nb_msix, dev->data->nb_rx_queues);
 369                 }
 370         }
 371
 372         if (iavf_config_irq_map(adapter)) {
 373                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 374                 return -1;
 375         }
 376         return 0;
 377 }
 378
 379 static int
 380 iavf_start_queues(struct rte_eth_dev *dev)
 381 {
 382         struct iavf_rx_queue *rxq;
 383         struct iavf_tx_queue *txq;
 384         int i;
 385
 386         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 387                 txq = dev->data->tx_queues[i];
 388                 if (txq->tx_deferred_start)
 389                         continue;
 390                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
 391                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 392                         return -1;
 393                 }
 394         }
 395
 396         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 397                 rxq = dev->data->rx_queues[i];
 398                 if (rxq->rx_deferred_start)
 399                         continue;
 400                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
 401                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 402                         return -1;
 403                 }
 404         }
 405
 406         return 0;
 407 }
 408
 409 static int
 410 iavf_dev_start(struct rte_eth_dev *dev)
 411 {
 412         struct iavf_adapter *adapter =
 413                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 414         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 415         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 416         struct rte_intr_handle *intr_handle = dev->intr_handle;
 417
 418         PMD_INIT_FUNC_TRACE();
 419
 420         hw->adapter_stopped = 0;
 421
 422         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 423         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 424                                       dev->data->nb_tx_queues);
 425
 426         if (iavf_init_queues(dev) != 0) {
 427                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 428                 return -1;
 429         }
 430
 431         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 432                 if (iavf_init_rss(adapter) != 0) {
 433                         PMD_DRV_LOG(ERR, "configure rss failed");
 434                         goto err_rss;
 435                 }
 436         }
 437
 438         if (iavf_configure_queues(adapter) != 0) {
 439                 PMD_DRV_LOG(ERR, "configure queues failed");
 440                 goto err_queue;
 441         }
 442
 443         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 444                 PMD_DRV_LOG(ERR, "configure irq failed");
 445                 goto err_queue;
 446         }
 447         /* re-enable intr again, because efd assign may change */
 448         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 449                 rte_intr_disable(intr_handle);
 450                 rte_intr_enable(intr_handle);
 451         }
 452
 453         /* Set all mac addrs */
 454         iavf_add_del_all_mac_addr(adapter, TRUE);
 455
 456         if (iavf_start_queues(dev) != 0) {
 457                 PMD_DRV_LOG(ERR, "enable queues failed");
 458                 goto err_mac;
 459         }
 460
 461         return 0;
 462
 463 err_mac:
 464         iavf_add_del_all_mac_addr(adapter, FALSE);
 465 err_queue:
 466 err_rss:
 467         return -1;
 468 }
 469
 470 static void
 471 iavf_dev_stop(struct rte_eth_dev *dev)
 472 {
 473         struct iavf_adapter *adapter =
 474                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 475         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 476         struct rte_intr_handle *intr_handle = dev->intr_handle;
 477
 478         PMD_INIT_FUNC_TRACE();
 479
 480         if (hw->adapter_stopped == 1)
 481                 return;
 482
 483         iavf_stop_queues(dev);
 484
 485         /* Disable the interrupt for Rx */
 486         rte_intr_efd_disable(intr_handle);
 487         /* Rx interrupt vector mapping free */
 488         if (intr_handle->intr_vec) {
 489                 rte_free(intr_handle->intr_vec);
 490                 intr_handle->intr_vec = NULL;
 491         }
 492
 493         /* remove all mac addrs */
 494         iavf_add_del_all_mac_addr(adapter, FALSE);
 495         hw->adapter_stopped = 1;
 496 }
 497
 498 static int
 499 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 500 {
 501         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 502
 503         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 504         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 505         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 506         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 507         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 508         dev_info->reta_size = vf->vf_res->rss_lut_size;
 509         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 510         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 511         dev_info->rx_offload_capa =
 512                 DEV_RX_OFFLOAD_VLAN_STRIP |
 513                 DEV_RX_OFFLOAD_QINQ_STRIP |
 514                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 515                 DEV_RX_OFFLOAD_UDP_CKSUM |
 516                 DEV_RX_OFFLOAD_TCP_CKSUM |
 517                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 518                 DEV_RX_OFFLOAD_SCATTER |
 519                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 520                 DEV_RX_OFFLOAD_VLAN_FILTER;
 521         dev_info->tx_offload_capa =
 522                 DEV_TX_OFFLOAD_VLAN_INSERT |
 523                 DEV_TX_OFFLOAD_QINQ_INSERT |
 524                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 525                 DEV_TX_OFFLOAD_UDP_CKSUM |
 526                 DEV_TX_OFFLOAD_TCP_CKSUM |
 527                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 528                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 529                 DEV_TX_OFFLOAD_TCP_TSO |
 530                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 531                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 532                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 533                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 534                 DEV_TX_OFFLOAD_MULTI_SEGS;
 535
 536         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 537                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 538                 .rx_drop_en = 0,
 539                 .offloads = 0,
 540         };
 541
 542         dev_info->default_txconf = (struct rte_eth_txconf) {
 543                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 544                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 545                 .offloads = 0,
 546         };
 547
 548         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 549                 .nb_max = IAVF_MAX_RING_DESC,
 550                 .nb_min = IAVF_MIN_RING_DESC,
 551                 .nb_align = IAVF_ALIGN_RING_DESC,
 552         };
 553
 554         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 555                 .nb_max = IAVF_MAX_RING_DESC,
 556                 .nb_min = IAVF_MIN_RING_DESC,
 557                 .nb_align = IAVF_ALIGN_RING_DESC,
 558         };
 559
 560         return 0;
 561 }
 562
 563 static const uint32_t *
 564 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 565 {
 566         static const uint32_t ptypes[] = {
 567                 RTE_PTYPE_L2_ETHER,
 568                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 569                 RTE_PTYPE_L4_FRAG,
 570                 RTE_PTYPE_L4_ICMP,
 571                 RTE_PTYPE_L4_NONFRAG,
 572                 RTE_PTYPE_L4_SCTP,
 573                 RTE_PTYPE_L4_TCP,
 574                 RTE_PTYPE_L4_UDP,
 575                 RTE_PTYPE_UNKNOWN
 576         };
 577         return ptypes;
 578 }
 579
 580 int
 581 iavf_dev_link_update(struct rte_eth_dev *dev,
 582                     __rte_unused int wait_to_complete)
 583 {
 584         struct rte_eth_link new_link;
 585         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 586
 587         /* Only read status info stored in VF, and the info is updated
 588          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 589          */
 590         switch (vf->link_speed) {
 591         case 10:
 592                 new_link.link_speed = ETH_SPEED_NUM_10M;
 593                 break;
 594         case 100:
 595                 new_link.link_speed = ETH_SPEED_NUM_100M;
 596                 break;
 597         case 1000:
 598                 new_link.link_speed = ETH_SPEED_NUM_1G;
 599                 break;
 600         case 10000:
 601                 new_link.link_speed = ETH_SPEED_NUM_10G;
 602                 break;
 603         case 20000:
 604                 new_link.link_speed = ETH_SPEED_NUM_20G;
 605                 break;
 606         case 25000:
 607                 new_link.link_speed = ETH_SPEED_NUM_25G;
 608                 break;
 609         case 40000:
 610                 new_link.link_speed = ETH_SPEED_NUM_40G;
 611                 break;
 612         case 50000:
 613                 new_link.link_speed = ETH_SPEED_NUM_50G;
 614                 break;
 615         case 100000:
 616                 new_link.link_speed = ETH_SPEED_NUM_100G;
 617                 break;
 618         default:
 619                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 620                 break;
 621         }
 622
 623         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 624         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 625                                              ETH_LINK_DOWN;
 626         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 627                                 ETH_LINK_SPEED_FIXED);
 628
 629         if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 630                                 *(uint64_t *)&dev->data->dev_link,
 631                                 *(uint64_t *)&new_link) == 0)
 632                 return -1;
 633
 634         return 0;
 635 }
 636
 637 static void
 638 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 639 {
 640         struct iavf_adapter *adapter =
 641                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 642         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 643         int ret;
 644
 645         if (vf->promisc_unicast_enabled)
 646                 return;
 647
 648         ret = iavf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
 649         if (!ret)
 650                 vf->promisc_unicast_enabled = TRUE;
 651 }
 652
 653 static void
 654 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 655 {
 656         struct iavf_adapter *adapter =
 657                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 658         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 659         int ret;
 660
 661         if (!vf->promisc_unicast_enabled)
 662                 return;
 663
 664         ret = iavf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
 665         if (!ret)
 666                 vf->promisc_unicast_enabled = FALSE;
 667 }
 668
 669 static void
 670 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 671 {
 672         struct iavf_adapter *adapter =
 673                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 674         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 675         int ret;
 676
 677         if (vf->promisc_multicast_enabled)
 678                 return;
 679
 680         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
 681         if (!ret)
 682                 vf->promisc_multicast_enabled = TRUE;
 683 }
 684
 685 static void
 686 iavf_dev_allmulticast_disable(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;
 695
 696         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
 697         if (!ret)
 698                 vf->promisc_multicast_enabled = FALSE;
 699 }
 700
 701 static int
 702 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 703                      __rte_unused uint32_t index,
 704                      __rte_unused uint32_t pool)
 705 {
 706         struct iavf_adapter *adapter =
 707                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 708         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 709         int err;
 710
 711         if (rte_is_zero_ether_addr(addr)) {
 712                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 713                 return -EINVAL;
 714         }
 715
 716         err = iavf_add_del_eth_addr(adapter, addr, TRUE);
 717         if (err) {
 718                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 719                 return -EIO;
 720         }
 721
 722         vf->mac_num++;
 723
 724         return 0;
 725 }
 726
 727 static void
 728 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 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         struct rte_ether_addr *addr;
 734         int err;
 735
 736         addr = &dev->data->mac_addrs[index];
 737
 738         err = iavf_add_del_eth_addr(adapter, addr, FALSE);
 739         if (err)
 740                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 741
 742         vf->mac_num--;
 743 }
 744
 745 static int
 746 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 747 {
 748         struct iavf_adapter *adapter =
 749                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 750         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 751         int err;
 752
 753         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 754                 return -ENOTSUP;
 755
 756         err = iavf_add_del_vlan(adapter, vlan_id, on);
 757         if (err)
 758                 return -EIO;
 759         return 0;
 760 }
 761
 762 static int
 763 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 764 {
 765         struct iavf_adapter *adapter =
 766                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 767         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 768         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 769         int err;
 770
 771         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 772                 return -ENOTSUP;
 773
 774         /* Vlan stripping setting */
 775         if (mask & ETH_VLAN_STRIP_MASK) {
 776                 /* Enable or disable VLAN stripping */
 777                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 778                         err = iavf_enable_vlan_strip(adapter);
 779                 else
 780                         err = iavf_disable_vlan_strip(adapter);
 781
 782                 if (err)
 783                         return -EIO;
 784         }
 785         return 0;
 786 }
 787
 788 static int
 789 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 790                         struct rte_eth_rss_reta_entry64 *reta_conf,
 791                         uint16_t reta_size)
 792 {
 793         struct iavf_adapter *adapter =
 794                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 795         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 796         uint8_t *lut;
 797         uint16_t i, idx, shift;
 798         int ret;
 799
 800         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 801                 return -ENOTSUP;
 802
 803         if (reta_size != vf->vf_res->rss_lut_size) {
 804                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 805                         "(%d) doesn't match the number of hardware can "
 806                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 807                 return -EINVAL;
 808         }
 809
 810         lut = rte_zmalloc("rss_lut", reta_size, 0);
 811         if (!lut) {
 812                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 813                 return -ENOMEM;
 814         }
 815         /* store the old lut table temporarily */
 816         rte_memcpy(lut, vf->rss_lut, reta_size);
 817
 818         for (i = 0; i < reta_size; i++) {
 819                 idx = i / RTE_RETA_GROUP_SIZE;
 820                 shift = i % RTE_RETA_GROUP_SIZE;
 821                 if (reta_conf[idx].mask & (1ULL << shift))
 822                         lut[i] = reta_conf[idx].reta[shift];
 823         }
 824
 825         rte_memcpy(vf->rss_lut, lut, reta_size);
 826         /* send virtchnnl ops to configure rss*/
 827         ret = iavf_configure_rss_lut(adapter);
 828         if (ret) /* revert back */
 829                 rte_memcpy(vf->rss_lut, lut, reta_size);
 830         rte_free(lut);
 831
 832         return ret;
 833 }
 834
 835 static int
 836 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 837                        struct rte_eth_rss_reta_entry64 *reta_conf,
 838                        uint16_t reta_size)
 839 {
 840         struct iavf_adapter *adapter =
 841                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 842         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 843         uint16_t i, idx, shift;
 844
 845         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 846                 return -ENOTSUP;
 847
 848         if (reta_size != vf->vf_res->rss_lut_size) {
 849                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 850                         "(%d) doesn't match the number of hardware can "
 851                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 852                 return -EINVAL;
 853         }
 854
 855         for (i = 0; i < reta_size; i++) {
 856                 idx = i / RTE_RETA_GROUP_SIZE;
 857                 shift = i % RTE_RETA_GROUP_SIZE;
 858                 if (reta_conf[idx].mask & (1ULL << shift))
 859                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 860         }
 861
 862         return 0;
 863 }
 864
 865 static int
 866 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 867                         struct rte_eth_rss_conf *rss_conf)
 868 {
 869         struct iavf_adapter *adapter =
 870                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 871         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 872
 873         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 874                 return -ENOTSUP;
 875
 876         /* HENA setting, it is enabled by default, no change */
 877         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 878                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 879                 return 0;
 880         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 881                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 882                         "(%d) doesn't match the size of hardware can "
 883                         "support (%d)", rss_conf->rss_key_len,
 884                         vf->vf_res->rss_key_size);
 885                 return -EINVAL;
 886         }
 887
 888         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 889
 890         return iavf_configure_rss_key(adapter);
 891 }
 892
 893 static int
 894 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 895                           struct rte_eth_rss_conf *rss_conf)
 896 {
 897         struct iavf_adapter *adapter =
 898                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 899         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 900
 901         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 902                 return -ENOTSUP;
 903
 904          /* Just set it to default value now. */
 905         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 906
 907         if (!rss_conf->rss_key)
 908                 return 0;
 909
 910         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 911         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 912
 913         return 0;
 914 }
 915
 916 static int
 917 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 918 {
 919         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 920         int ret = 0;
 921
 922         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 923                 return -EINVAL;
 924
 925         /* mtu setting is forbidden if port is start */
 926         if (dev->data->dev_started) {
 927                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 928                 return -EBUSY;
 929         }
 930
 931         if (frame_size > RTE_ETHER_MAX_LEN)
 932                 dev->data->dev_conf.rxmode.offloads |=
 933                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 934         else
 935                 dev->data->dev_conf.rxmode.offloads &=
 936                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 937
 938         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 939
 940         return ret;
 941 }
 942
 943 static int
 944 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 945                              struct rte_ether_addr *mac_addr)
 946 {
 947         struct iavf_adapter *adapter =
 948                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 949         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 950         struct rte_ether_addr *perm_addr, *old_addr;
 951         int ret;
 952
 953         old_addr = (struct rte_ether_addr *)hw->mac.addr;
 954         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
 955
 956         if (rte_is_same_ether_addr(mac_addr, old_addr))
 957                 return 0;
 958
 959         /* If the MAC address is configured by host, skip the setting */
 960         if (rte_is_valid_assigned_ether_addr(perm_addr))
 961                 return -EPERM;
 962
 963         ret = iavf_add_del_eth_addr(adapter, old_addr, FALSE);
 964         if (ret)
 965                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 966                             " %02X:%02X:%02X:%02X:%02X:%02X",
 967                             old_addr->addr_bytes[0],
 968                             old_addr->addr_bytes[1],
 969                             old_addr->addr_bytes[2],
 970                             old_addr->addr_bytes[3],
 971                             old_addr->addr_bytes[4],
 972                             old_addr->addr_bytes[5]);
 973
 974         ret = iavf_add_del_eth_addr(adapter, mac_addr, TRUE);
 975         if (ret)
 976                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
 977                             " %02X:%02X:%02X:%02X:%02X:%02X",
 978                             mac_addr->addr_bytes[0],
 979                             mac_addr->addr_bytes[1],
 980                             mac_addr->addr_bytes[2],
 981                             mac_addr->addr_bytes[3],
 982                             mac_addr->addr_bytes[4],
 983                             mac_addr->addr_bytes[5]);
 984
 985         if (ret)
 986                 return -EIO;
 987
 988         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
 989         return 0;
 990 }
 991
 992 static void
 993 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
 994 {
 995         if (*stat >= *offset)
 996                 *stat = *stat - *offset;
 997         else
 998                 *stat = (uint64_t)((*stat +
 999                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1000
1001         *stat &= IAVF_48_BIT_MASK;
1002 }
1003
1004 static void
1005 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1006 {
1007         if (*stat >= *offset)
1008                 *stat = (uint64_t)(*stat - *offset);
1009         else
1010                 *stat = (uint64_t)((*stat +
1011                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1012 }
1013
1014 static void
1015 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1016 {
1017         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1018
1019         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1020         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1021         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1022         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1023         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1024         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1025         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1026         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1027         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1028         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1029         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1030 }
1031
1032 static int
1033 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1034 {
1035         struct iavf_adapter *adapter =
1036                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1037         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1038         struct iavf_vsi *vsi = &vf->vsi;
1039         struct virtchnl_eth_stats *pstats = NULL;
1040         int ret;
1041
1042         ret = iavf_query_stats(adapter, &pstats);
1043         if (ret == 0) {
1044                 iavf_update_stats(vsi, pstats);
1045                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1046                                                 pstats->rx_broadcast;
1047                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1048                                                 pstats->tx_unicast;
1049                 stats->imissed = pstats->rx_discards;
1050                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1051                 stats->ibytes = pstats->rx_bytes;
1052                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1053                 stats->obytes = pstats->tx_bytes;
1054         } else {
1055                 PMD_DRV_LOG(ERR, "Get statistics failed");
1056         }
1057         return -EIO;
1058 }
1059
1060 static void
1061 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1062 {
1063         int ret;
1064         struct iavf_adapter *adapter =
1065                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1066         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1067         struct iavf_vsi *vsi = &vf->vsi;
1068         struct virtchnl_eth_stats *pstats = NULL;
1069
1070         /* read stat values to clear hardware registers */
1071         ret = iavf_query_stats(adapter, &pstats);
1072
1073         /* set stats offset base on current values */
1074         if (ret == 0)
1075                 vsi->eth_stats_offset = *pstats;
1076 }
1077
1078 static int
1079 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1080 {
1081         struct iavf_adapter *adapter =
1082                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1083         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1084         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1085         uint16_t msix_intr;
1086
1087         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1088         if (msix_intr == IAVF_MISC_VEC_ID) {
1089                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1090                 IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
1091                               IAVFINT_DYN_CTL01_INTENA_MASK |
1092                               IAVFINT_DYN_CTL01_CLEARPBA_MASK |
1093                               IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1094         } else {
1095                 IAVF_WRITE_REG(hw,
1096                               IAVFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1097                               IAVFINT_DYN_CTLN1_INTENA_MASK |
1098                               IAVFINT_DYN_CTL01_CLEARPBA_MASK |
1099                               IAVFINT_DYN_CTLN1_ITR_INDX_MASK);
1100         }
1101
1102         IAVF_WRITE_FLUSH(hw);
1103
1104         rte_intr_ack(&pci_dev->intr_handle);
1105
1106         return 0;
1107 }
1108
1109 static int
1110 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1111 {
1112         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1113         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1114         uint16_t msix_intr;
1115
1116         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1117         if (msix_intr == IAVF_MISC_VEC_ID) {
1118                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1119                 return -EIO;
1120         }
1121
1122         IAVF_WRITE_REG(hw,
1123                       IAVFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1124                       0);
1125
1126         IAVF_WRITE_FLUSH(hw);
1127         return 0;
1128 }
1129
1130 static int
1131 iavf_check_vf_reset_done(struct iavf_hw *hw)
1132 {
1133         int i, reset;
1134
1135         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1136                 reset = IAVF_READ_REG(hw, IAVFGEN_RSTAT) &
1137                         IAVFGEN_RSTAT_VFR_STATE_MASK;
1138                 reset = reset >> IAVFGEN_RSTAT_VFR_STATE_SHIFT;
1139                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1140                     reset == VIRTCHNL_VFR_COMPLETED)
1141                         break;
1142                 rte_delay_ms(20);
1143         }
1144
1145         if (i >= IAVF_RESET_WAIT_CNT)
1146                 return -1;
1147
1148         return 0;
1149 }
1150
1151 static int
1152 iavf_init_vf(struct rte_eth_dev *dev)
1153 {
1154         int err, bufsz;
1155         struct iavf_adapter *adapter =
1156                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1157         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1158         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1159
1160         err = iavf_set_mac_type(hw);
1161         if (err) {
1162                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1163                 goto err;
1164         }
1165
1166         err = iavf_check_vf_reset_done(hw);
1167         if (err) {
1168                 PMD_INIT_LOG(ERR, "VF is still resetting");
1169                 goto err;
1170         }
1171
1172         iavf_init_adminq_parameter(hw);
1173         err = iavf_init_adminq(hw);
1174         if (err) {
1175                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1176                 goto err;
1177         }
1178
1179         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1180         if (!vf->aq_resp) {
1181                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1182                 goto err_aq;
1183         }
1184         if (iavf_check_api_version(adapter) != 0) {
1185                 PMD_INIT_LOG(ERR, "check_api version failed");
1186                 goto err_api;
1187         }
1188
1189         bufsz = sizeof(struct virtchnl_vf_resource) +
1190                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1191         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1192         if (!vf->vf_res) {
1193                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1194                 goto err_api;
1195         }
1196         if (iavf_get_vf_resource(adapter) != 0) {
1197                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1198                 goto err_alloc;
1199         }
1200         /* Allocate memort for RSS info */
1201         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1202                 vf->rss_key = rte_zmalloc("rss_key",
1203                                           vf->vf_res->rss_key_size, 0);
1204                 if (!vf->rss_key) {
1205                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1206                         goto err_rss;
1207                 }
1208                 vf->rss_lut = rte_zmalloc("rss_lut",
1209                                           vf->vf_res->rss_lut_size, 0);
1210                 if (!vf->rss_lut) {
1211                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1212                         goto err_rss;
1213                 }
1214         }
1215         return 0;
1216 err_rss:
1217         rte_free(vf->rss_key);
1218         rte_free(vf->rss_lut);
1219 err_alloc:
1220         rte_free(vf->vf_res);
1221         vf->vsi_res = NULL;
1222 err_api:
1223         rte_free(vf->aq_resp);
1224 err_aq:
1225         iavf_shutdown_adminq(hw);
1226 err:
1227         return -1;
1228 }
1229
1230 /* Enable default admin queue interrupt setting */
1231 static inline void
1232 iavf_enable_irq0(struct iavf_hw *hw)
1233 {
1234         /* Enable admin queue interrupt trigger */
1235         IAVF_WRITE_REG(hw, IAVFINT_ICR0_ENA1, IAVFINT_ICR0_ENA1_ADMINQ_MASK);
1236
1237         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01, IAVFINT_DYN_CTL01_INTENA_MASK |
1238                 IAVFINT_DYN_CTL01_CLEARPBA_MASK | IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1239
1240         IAVF_WRITE_FLUSH(hw);
1241 }
1242
1243 static inline void
1244 iavf_disable_irq0(struct iavf_hw *hw)
1245 {
1246         /* Disable all interrupt types */
1247         IAVF_WRITE_REG(hw, IAVFINT_ICR0_ENA1, 0);
1248         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
1249                       IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1250         IAVF_WRITE_FLUSH(hw);
1251 }
1252
1253 static void
1254 iavf_dev_interrupt_handler(void *param)
1255 {
1256         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1257         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1258
1259         iavf_disable_irq0(hw);
1260
1261         iavf_handle_virtchnl_msg(dev);
1262
1263         iavf_enable_irq0(hw);
1264 }
1265
1266 static int
1267 iavf_dev_init(struct rte_eth_dev *eth_dev)
1268 {
1269         struct iavf_adapter *adapter =
1270                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1271         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1272         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1273
1274         PMD_INIT_FUNC_TRACE();
1275
1276         /* assign ops func pointer */
1277         eth_dev->dev_ops = &iavf_eth_dev_ops;
1278         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1279         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1280         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1281
1282         /* For secondary processes, we don't initialise any further as primary
1283          * has already done this work. Only check if we need a different RX
1284          * and TX function.
1285          */
1286         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1287                 iavf_set_rx_function(eth_dev);
1288                 iavf_set_tx_function(eth_dev);
1289                 return 0;
1290         }
1291         rte_eth_copy_pci_info(eth_dev, pci_dev);
1292
1293         hw->vendor_id = pci_dev->id.vendor_id;
1294         hw->device_id = pci_dev->id.device_id;
1295         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1296         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1297         hw->bus.bus_id = pci_dev->addr.bus;
1298         hw->bus.device = pci_dev->addr.devid;
1299         hw->bus.func = pci_dev->addr.function;
1300         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1301         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1302         adapter->eth_dev = eth_dev;
1303
1304         if (iavf_init_vf(eth_dev) != 0) {
1305                 PMD_INIT_LOG(ERR, "Init vf failed");
1306                 return -1;
1307         }
1308
1309         /* copy mac addr */
1310         eth_dev->data->mac_addrs = rte_zmalloc(
1311                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1312         if (!eth_dev->data->mac_addrs) {
1313                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1314                              " store MAC addresses",
1315                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1316                 return -ENOMEM;
1317         }
1318         /* If the MAC address is not configured by host,
1319          * generate a random one.
1320          */
1321         if (!rte_is_valid_assigned_ether_addr(
1322                         (struct rte_ether_addr *)hw->mac.addr))
1323                 rte_eth_random_addr(hw->mac.addr);
1324         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1325                         &eth_dev->data->mac_addrs[0]);
1326
1327         /* register callback func to eal lib */
1328         rte_intr_callback_register(&pci_dev->intr_handle,
1329                                    iavf_dev_interrupt_handler,
1330                                    (void *)eth_dev);
1331
1332         /* enable uio intr after callback register */
1333         rte_intr_enable(&pci_dev->intr_handle);
1334
1335         /* configure and enable device interrupt */
1336         iavf_enable_irq0(hw);
1337
1338         return 0;
1339 }
1340
1341 static void
1342 iavf_dev_close(struct rte_eth_dev *dev)
1343 {
1344         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1345         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1346         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1347
1348         iavf_dev_stop(dev);
1349         iavf_shutdown_adminq(hw);
1350         /* disable uio intr before callback unregister */
1351         rte_intr_disable(intr_handle);
1352
1353         /* unregister callback func from eal lib */
1354         rte_intr_callback_unregister(intr_handle,
1355                                      iavf_dev_interrupt_handler, dev);
1356         iavf_disable_irq0(hw);
1357 }
1358
1359 static int
1360 iavf_dev_uninit(struct rte_eth_dev *dev)
1361 {
1362         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1363         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1364
1365         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1366                 return -EPERM;
1367
1368         dev->dev_ops = NULL;
1369         dev->rx_pkt_burst = NULL;
1370         dev->tx_pkt_burst = NULL;
1371         if (hw->adapter_stopped == 0)
1372                 iavf_dev_close(dev);
1373
1374         rte_free(vf->vf_res);
1375         vf->vsi_res = NULL;
1376         vf->vf_res = NULL;
1377
1378         rte_free(vf->aq_resp);
1379         vf->aq_resp = NULL;
1380
1381         if (vf->rss_lut) {
1382                 rte_free(vf->rss_lut);
1383                 vf->rss_lut = NULL;
1384         }
1385         if (vf->rss_key) {
1386                 rte_free(vf->rss_key);
1387                 vf->rss_key = NULL;
1388         }
1389
1390         return 0;
1391 }
1392
1393 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1394                              struct rte_pci_device *pci_dev)
1395 {
1396         return rte_eth_dev_pci_generic_probe(pci_dev,
1397                 sizeof(struct iavf_adapter), iavf_dev_init);
1398 }
1399
1400 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1401 {
1402         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1403 }
1404
1405 /* Adaptive virtual function driver struct */
1406 static struct rte_pci_driver rte_iavf_pmd = {
1407         .id_table = pci_id_iavf_map,
1408         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1409         .probe = eth_iavf_pci_probe,
1410         .remove = eth_iavf_pci_remove,
1411 };
1412
1413 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1414 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1415 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1416 RTE_INIT(iavf_init_log)
1417 {
1418         iavf_logtype_init = rte_log_register("pmd.net.iavf.init");
1419         if (iavf_logtype_init >= 0)
1420                 rte_log_set_level(iavf_logtype_init, RTE_LOG_NOTICE);
1421         iavf_logtype_driver = rte_log_register("pmd.net.iavf.driver");
1422         if (iavf_logtype_driver >= 0)
1423                 rte_log_set_level(iavf_logtype_driver, RTE_LOG_NOTICE);
1424 }
1425
1426 /* memory func for base code */
1427 enum iavf_status_code
1428 iavf_allocate_dma_mem_d(__rte_unused struct iavf_hw *hw,
1429                        struct iavf_dma_mem *mem,
1430                        u64 size,
1431                        u32 alignment)
1432 {
1433         const struct rte_memzone *mz = NULL;
1434         char z_name[RTE_MEMZONE_NAMESIZE];
1435
1436         if (!mem)
1437                 return IAVF_ERR_PARAM;
1438
1439         snprintf(z_name, sizeof(z_name), "iavf_dma_%"PRIu64, rte_rand());
1440         mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY,
1441                         RTE_MEMZONE_IOVA_CONTIG, alignment, RTE_PGSIZE_2M);
1442         if (!mz)
1443                 return IAVF_ERR_NO_MEMORY;
1444
1445         mem->size = size;
1446         mem->va = mz->addr;
1447         mem->pa = mz->phys_addr;
1448         mem->zone = (const void *)mz;
1449         PMD_DRV_LOG(DEBUG,
1450                     "memzone %s allocated with physical address: %"PRIu64,
1451                     mz->name, mem->pa);
1452
1453         return IAVF_SUCCESS;
1454 }
1455
1456 enum iavf_status_code
1457 iavf_free_dma_mem_d(__rte_unused struct iavf_hw *hw,
1458                    struct iavf_dma_mem *mem)
1459 {
1460         if (!mem)
1461                 return IAVF_ERR_PARAM;
1462
1463         PMD_DRV_LOG(DEBUG,
1464                     "memzone %s to be freed with physical address: %"PRIu64,
1465                     ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1466         rte_memzone_free((const struct rte_memzone *)mem->zone);
1467         mem->zone = NULL;
1468         mem->va = NULL;
1469         mem->pa = (u64)0;
1470
1471         return IAVF_SUCCESS;
1472 }
1473
1474 enum iavf_status_code
1475 iavf_allocate_virt_mem_d(__rte_unused struct iavf_hw *hw,
1476                         struct iavf_virt_mem *mem,
1477                         u32 size)
1478 {
1479         if (!mem)
1480                 return IAVF_ERR_PARAM;
1481
1482         mem->size = size;
1483         mem->va = rte_zmalloc("iavf", size, 0);
1484
1485         if (mem->va)
1486                 return IAVF_SUCCESS;
1487         else
1488                 return IAVF_ERR_NO_MEMORY;
1489 }
1490
1491 enum iavf_status_code
1492 iavf_free_virt_mem_d(__rte_unused struct iavf_hw *hw,
1493                     struct iavf_virt_mem *mem)
1494 {
1495         if (!mem)
1496                 return IAVF_ERR_PARAM;
1497
1498         rte_free(mem->va);
1499         mem->va = NULL;
1500
1501         return IAVF_SUCCESS;
1502 }