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 void 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 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 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 <= 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)ETHER_MAX_LEN,
 234                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 235                         return -EINVAL;
 236                 }
 237         } else {
 238                 if (max_pkt_len < ETHER_MIN_LEN ||
 239                     max_pkt_len > 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)ETHER_MIN_LEN,
 244                                     (uint32_t)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 void
 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
 561 static const uint32_t *
 562 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 563 {
 564         static const uint32_t ptypes[] = {
 565                 RTE_PTYPE_L2_ETHER,
 566                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 567                 RTE_PTYPE_L4_FRAG,
 568                 RTE_PTYPE_L4_ICMP,
 569                 RTE_PTYPE_L4_NONFRAG,
 570                 RTE_PTYPE_L4_SCTP,
 571                 RTE_PTYPE_L4_TCP,
 572                 RTE_PTYPE_L4_UDP,
 573                 RTE_PTYPE_UNKNOWN
 574         };
 575         return ptypes;
 576 }
 577
 578 int
 579 iavf_dev_link_update(struct rte_eth_dev *dev,
 580                     __rte_unused int wait_to_complete)
 581 {
 582         struct rte_eth_link new_link;
 583         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 584
 585         /* Only read status info stored in VF, and the info is updated
 586          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 587          */
 588         switch (vf->link_speed) {
 589         case VIRTCHNL_LINK_SPEED_100MB:
 590                 new_link.link_speed = ETH_SPEED_NUM_100M;
 591                 break;
 592         case VIRTCHNL_LINK_SPEED_1GB:
 593                 new_link.link_speed = ETH_SPEED_NUM_1G;
 594                 break;
 595         case VIRTCHNL_LINK_SPEED_10GB:
 596                 new_link.link_speed = ETH_SPEED_NUM_10G;
 597                 break;
 598         case VIRTCHNL_LINK_SPEED_20GB:
 599                 new_link.link_speed = ETH_SPEED_NUM_20G;
 600                 break;
 601         case VIRTCHNL_LINK_SPEED_25GB:
 602                 new_link.link_speed = ETH_SPEED_NUM_25G;
 603                 break;
 604         case VIRTCHNL_LINK_SPEED_40GB:
 605                 new_link.link_speed = ETH_SPEED_NUM_40G;
 606                 break;
 607         default:
 608                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 609                 break;
 610         }
 611
 612         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 613         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 614                                              ETH_LINK_DOWN;
 615         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 616                                 ETH_LINK_SPEED_FIXED);
 617
 618         if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 619                                 *(uint64_t *)&dev->data->dev_link,
 620                                 *(uint64_t *)&new_link) == 0)
 621                 return -1;
 622
 623         return 0;
 624 }
 625
 626 static void
 627 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 628 {
 629         struct iavf_adapter *adapter =
 630                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 631         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 632         int ret;
 633
 634         if (vf->promisc_unicast_enabled)
 635                 return;
 636
 637         ret = iavf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
 638         if (!ret)
 639                 vf->promisc_unicast_enabled = TRUE;
 640 }
 641
 642 static void
 643 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 644 {
 645         struct iavf_adapter *adapter =
 646                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 647         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 648         int ret;
 649
 650         if (!vf->promisc_unicast_enabled)
 651                 return;
 652
 653         ret = iavf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
 654         if (!ret)
 655                 vf->promisc_unicast_enabled = FALSE;
 656 }
 657
 658 static void
 659 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 660 {
 661         struct iavf_adapter *adapter =
 662                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 663         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 664         int ret;
 665
 666         if (vf->promisc_multicast_enabled)
 667                 return;
 668
 669         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
 670         if (!ret)
 671                 vf->promisc_multicast_enabled = TRUE;
 672 }
 673
 674 static void
 675 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 676 {
 677         struct iavf_adapter *adapter =
 678                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 679         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 680         int ret;
 681
 682         if (!vf->promisc_multicast_enabled)
 683                 return;
 684
 685         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
 686         if (!ret)
 687                 vf->promisc_multicast_enabled = FALSE;
 688 }
 689
 690 static int
 691 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr,
 692                      __rte_unused uint32_t index,
 693                      __rte_unused uint32_t pool)
 694 {
 695         struct iavf_adapter *adapter =
 696                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 697         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 698         int err;
 699
 700         if (is_zero_ether_addr(addr)) {
 701                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 702                 return -EINVAL;
 703         }
 704
 705         err = iavf_add_del_eth_addr(adapter, addr, TRUE);
 706         if (err) {
 707                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 708                 return -EIO;
 709         }
 710
 711         vf->mac_num++;
 712
 713         return 0;
 714 }
 715
 716 static void
 717 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 718 {
 719         struct iavf_adapter *adapter =
 720                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 721         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 722         struct ether_addr *addr;
 723         int err;
 724
 725         addr = &dev->data->mac_addrs[index];
 726
 727         err = iavf_add_del_eth_addr(adapter, addr, FALSE);
 728         if (err)
 729                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 730
 731         vf->mac_num--;
 732 }
 733
 734 static int
 735 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 736 {
 737         struct iavf_adapter *adapter =
 738                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 739         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 740         int err;
 741
 742         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 743                 return -ENOTSUP;
 744
 745         err = iavf_add_del_vlan(adapter, vlan_id, on);
 746         if (err)
 747                 return -EIO;
 748         return 0;
 749 }
 750
 751 static int
 752 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 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_eth_conf *dev_conf = &dev->data->dev_conf;
 758         int err;
 759
 760         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 761                 return -ENOTSUP;
 762
 763         /* Vlan stripping setting */
 764         if (mask & ETH_VLAN_STRIP_MASK) {
 765                 /* Enable or disable VLAN stripping */
 766                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 767                         err = iavf_enable_vlan_strip(adapter);
 768                 else
 769                         err = iavf_disable_vlan_strip(adapter);
 770
 771                 if (err)
 772                         return -EIO;
 773         }
 774         return 0;
 775 }
 776
 777 static int
 778 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 779                         struct rte_eth_rss_reta_entry64 *reta_conf,
 780                         uint16_t reta_size)
 781 {
 782         struct iavf_adapter *adapter =
 783                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 784         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 785         uint8_t *lut;
 786         uint16_t i, idx, shift;
 787         int ret;
 788
 789         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 790                 return -ENOTSUP;
 791
 792         if (reta_size != vf->vf_res->rss_lut_size) {
 793                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 794                         "(%d) doesn't match the number of hardware can "
 795                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 796                 return -EINVAL;
 797         }
 798
 799         lut = rte_zmalloc("rss_lut", reta_size, 0);
 800         if (!lut) {
 801                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 802                 return -ENOMEM;
 803         }
 804         /* store the old lut table temporarily */
 805         rte_memcpy(lut, vf->rss_lut, reta_size);
 806
 807         for (i = 0; i < reta_size; i++) {
 808                 idx = i / RTE_RETA_GROUP_SIZE;
 809                 shift = i % RTE_RETA_GROUP_SIZE;
 810                 if (reta_conf[idx].mask & (1ULL << shift))
 811                         lut[i] = reta_conf[idx].reta[shift];
 812         }
 813
 814         rte_memcpy(vf->rss_lut, lut, reta_size);
 815         /* send virtchnnl ops to configure rss*/
 816         ret = iavf_configure_rss_lut(adapter);
 817         if (ret) /* revert back */
 818                 rte_memcpy(vf->rss_lut, lut, reta_size);
 819         rte_free(lut);
 820
 821         return ret;
 822 }
 823
 824 static int
 825 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 826                        struct rte_eth_rss_reta_entry64 *reta_conf,
 827                        uint16_t reta_size)
 828 {
 829         struct iavf_adapter *adapter =
 830                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 831         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 832         uint16_t i, idx, shift;
 833
 834         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 835                 return -ENOTSUP;
 836
 837         if (reta_size != vf->vf_res->rss_lut_size) {
 838                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 839                         "(%d) doesn't match the number of hardware can "
 840                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 841                 return -EINVAL;
 842         }
 843
 844         for (i = 0; i < reta_size; i++) {
 845                 idx = i / RTE_RETA_GROUP_SIZE;
 846                 shift = i % RTE_RETA_GROUP_SIZE;
 847                 if (reta_conf[idx].mask & (1ULL << shift))
 848                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 849         }
 850
 851         return 0;
 852 }
 853
 854 static int
 855 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 856                         struct rte_eth_rss_conf *rss_conf)
 857 {
 858         struct iavf_adapter *adapter =
 859                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 860         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 861
 862         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 863                 return -ENOTSUP;
 864
 865         /* HENA setting, it is enabled by default, no change */
 866         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 867                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 868                 return 0;
 869         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 870                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 871                         "(%d) doesn't match the size of hardware can "
 872                         "support (%d)", rss_conf->rss_key_len,
 873                         vf->vf_res->rss_key_size);
 874                 return -EINVAL;
 875         }
 876
 877         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 878
 879         return iavf_configure_rss_key(adapter);
 880 }
 881
 882 static int
 883 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 884                           struct rte_eth_rss_conf *rss_conf)
 885 {
 886         struct iavf_adapter *adapter =
 887                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 888         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 889
 890         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 891                 return -ENOTSUP;
 892
 893          /* Just set it to default value now. */
 894         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 895
 896         if (!rss_conf->rss_key)
 897                 return 0;
 898
 899         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 900         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 901
 902         return 0;
 903 }
 904
 905 static int
 906 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 907 {
 908         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 909         int ret = 0;
 910
 911         if (mtu < ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 912                 return -EINVAL;
 913
 914         /* mtu setting is forbidden if port is start */
 915         if (dev->data->dev_started) {
 916                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 917                 return -EBUSY;
 918         }
 919
 920         if (frame_size > ETHER_MAX_LEN)
 921                 dev->data->dev_conf.rxmode.offloads |=
 922                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 923         else
 924                 dev->data->dev_conf.rxmode.offloads &=
 925                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 926
 927         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 928
 929         return ret;
 930 }
 931
 932 static int
 933 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 934                              struct ether_addr *mac_addr)
 935 {
 936         struct iavf_adapter *adapter =
 937                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 938         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 939         struct ether_addr *perm_addr, *old_addr;
 940         int ret;
 941
 942         old_addr = (struct ether_addr *)hw->mac.addr;
 943         perm_addr = (struct ether_addr *)hw->mac.perm_addr;
 944
 945         if (is_same_ether_addr(mac_addr, old_addr))
 946                 return 0;
 947
 948         /* If the MAC address is configured by host, skip the setting */
 949         if (is_valid_assigned_ether_addr(perm_addr))
 950                 return -EPERM;
 951
 952         ret = iavf_add_del_eth_addr(adapter, old_addr, FALSE);
 953         if (ret)
 954                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 955                             " %02X:%02X:%02X:%02X:%02X:%02X",
 956                             old_addr->addr_bytes[0],
 957                             old_addr->addr_bytes[1],
 958                             old_addr->addr_bytes[2],
 959                             old_addr->addr_bytes[3],
 960                             old_addr->addr_bytes[4],
 961                             old_addr->addr_bytes[5]);
 962
 963         ret = iavf_add_del_eth_addr(adapter, mac_addr, TRUE);
 964         if (ret)
 965                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
 966                             " %02X:%02X:%02X:%02X:%02X:%02X",
 967                             mac_addr->addr_bytes[0],
 968                             mac_addr->addr_bytes[1],
 969                             mac_addr->addr_bytes[2],
 970                             mac_addr->addr_bytes[3],
 971                             mac_addr->addr_bytes[4],
 972                             mac_addr->addr_bytes[5]);
 973
 974         if (ret)
 975                 return -EIO;
 976
 977         ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
 978         return 0;
 979 }
 980
 981 static void
 982 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
 983 {
 984         if (*stat >= *offset)
 985                 *stat = *stat - *offset;
 986         else
 987                 *stat = (uint64_t)((*stat +
 988                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
 989
 990         *stat &= IAVF_48_BIT_MASK;
 991 }
 992
 993 static void
 994 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
 995 {
 996         if (*stat >= *offset)
 997                 *stat = (uint64_t)(*stat - *offset);
 998         else
 999                 *stat = (uint64_t)((*stat +
1000                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1001 }
1002
1003 static void
1004 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1005 {
1006         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1007
1008         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1009         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1010         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1011         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1012         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1013         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1014         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1015         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1016         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1017         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1018         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1019 }
1020
1021 static int
1022 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1023 {
1024         struct iavf_adapter *adapter =
1025                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1026         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1027         struct iavf_vsi *vsi = &vf->vsi;
1028         struct virtchnl_eth_stats *pstats = NULL;
1029         int ret;
1030
1031         ret = iavf_query_stats(adapter, &pstats);
1032         if (ret == 0) {
1033                 iavf_update_stats(vsi, pstats);
1034                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1035                                                 pstats->rx_broadcast;
1036                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1037                                                 pstats->tx_unicast;
1038                 stats->imissed = pstats->rx_discards;
1039                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1040                 stats->ibytes = pstats->rx_bytes;
1041                 stats->obytes = pstats->tx_bytes;
1042         } else {
1043                 PMD_DRV_LOG(ERR, "Get statistics failed");
1044         }
1045         return -EIO;
1046 }
1047
1048 static void
1049 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1050 {
1051         int ret;
1052         struct iavf_adapter *adapter =
1053                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1054         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1055         struct iavf_vsi *vsi = &vf->vsi;
1056         struct virtchnl_eth_stats *pstats = NULL;
1057
1058         /* read stat values to clear hardware registers */
1059         ret = iavf_query_stats(adapter, &pstats);
1060
1061         /* set stats offset base on current values */
1062         if (ret == 0)
1063                 vsi->eth_stats_offset = *pstats;
1064 }
1065
1066 static int
1067 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1068 {
1069         struct iavf_adapter *adapter =
1070                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1071         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1072         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1073         uint16_t msix_intr;
1074
1075         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1076         if (msix_intr == IAVF_MISC_VEC_ID) {
1077                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1078                 IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
1079                               IAVFINT_DYN_CTL01_INTENA_MASK |
1080                               IAVFINT_DYN_CTL01_CLEARPBA_MASK |
1081                               IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1082         } else {
1083                 IAVF_WRITE_REG(hw,
1084                               IAVFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1085                               IAVFINT_DYN_CTLN1_INTENA_MASK |
1086                               IAVFINT_DYN_CTL01_CLEARPBA_MASK |
1087                               IAVFINT_DYN_CTLN1_ITR_INDX_MASK);
1088         }
1089
1090         IAVF_WRITE_FLUSH(hw);
1091
1092         rte_intr_enable(&pci_dev->intr_handle);
1093
1094         return 0;
1095 }
1096
1097 static int
1098 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1099 {
1100         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1101         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1102         uint16_t msix_intr;
1103
1104         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1105         if (msix_intr == IAVF_MISC_VEC_ID) {
1106                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1107                 return -EIO;
1108         }
1109
1110         IAVF_WRITE_REG(hw,
1111                       IAVFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1112                       0);
1113
1114         IAVF_WRITE_FLUSH(hw);
1115         return 0;
1116 }
1117
1118 static int
1119 iavf_check_vf_reset_done(struct iavf_hw *hw)
1120 {
1121         int i, reset;
1122
1123         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1124                 reset = IAVF_READ_REG(hw, IAVFGEN_RSTAT) &
1125                         IAVFGEN_RSTAT_VFR_STATE_MASK;
1126                 reset = reset >> IAVFGEN_RSTAT_VFR_STATE_SHIFT;
1127                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1128                     reset == VIRTCHNL_VFR_COMPLETED)
1129                         break;
1130                 rte_delay_ms(20);
1131         }
1132
1133         if (i >= IAVF_RESET_WAIT_CNT)
1134                 return -1;
1135
1136         return 0;
1137 }
1138
1139 static int
1140 iavf_init_vf(struct rte_eth_dev *dev)
1141 {
1142         int err, bufsz;
1143         struct iavf_adapter *adapter =
1144                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1145         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1146         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1147
1148         err = iavf_set_mac_type(hw);
1149         if (err) {
1150                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1151                 goto err;
1152         }
1153
1154         err = iavf_check_vf_reset_done(hw);
1155         if (err) {
1156                 PMD_INIT_LOG(ERR, "VF is still resetting");
1157                 goto err;
1158         }
1159
1160         iavf_init_adminq_parameter(hw);
1161         err = iavf_init_adminq(hw);
1162         if (err) {
1163                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1164                 goto err;
1165         }
1166
1167         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1168         if (!vf->aq_resp) {
1169                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1170                 goto err_aq;
1171         }
1172         if (iavf_check_api_version(adapter) != 0) {
1173                 PMD_INIT_LOG(ERR, "check_api version failed");
1174                 goto err_api;
1175         }
1176
1177         bufsz = sizeof(struct virtchnl_vf_resource) +
1178                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1179         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1180         if (!vf->vf_res) {
1181                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1182                 goto err_api;
1183         }
1184         if (iavf_get_vf_resource(adapter) != 0) {
1185                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1186                 goto err_alloc;
1187         }
1188         /* Allocate memort for RSS info */
1189         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1190                 vf->rss_key = rte_zmalloc("rss_key",
1191                                           vf->vf_res->rss_key_size, 0);
1192                 if (!vf->rss_key) {
1193                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1194                         goto err_rss;
1195                 }
1196                 vf->rss_lut = rte_zmalloc("rss_lut",
1197                                           vf->vf_res->rss_lut_size, 0);
1198                 if (!vf->rss_lut) {
1199                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1200                         goto err_rss;
1201                 }
1202         }
1203         return 0;
1204 err_rss:
1205         rte_free(vf->rss_key);
1206         rte_free(vf->rss_lut);
1207 err_alloc:
1208         rte_free(vf->vf_res);
1209         vf->vsi_res = NULL;
1210 err_api:
1211         rte_free(vf->aq_resp);
1212 err_aq:
1213         iavf_shutdown_adminq(hw);
1214 err:
1215         return -1;
1216 }
1217
1218 /* Enable default admin queue interrupt setting */
1219 static inline void
1220 iavf_enable_irq0(struct iavf_hw *hw)
1221 {
1222         /* Enable admin queue interrupt trigger */
1223         IAVF_WRITE_REG(hw, IAVFINT_ICR0_ENA1, IAVFINT_ICR0_ENA1_ADMINQ_MASK);
1224
1225         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01, IAVFINT_DYN_CTL01_INTENA_MASK |
1226                 IAVFINT_DYN_CTL01_CLEARPBA_MASK | IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1227
1228         IAVF_WRITE_FLUSH(hw);
1229 }
1230
1231 static inline void
1232 iavf_disable_irq0(struct iavf_hw *hw)
1233 {
1234         /* Disable all interrupt types */
1235         IAVF_WRITE_REG(hw, IAVFINT_ICR0_ENA1, 0);
1236         IAVF_WRITE_REG(hw, IAVFINT_DYN_CTL01,
1237                       IAVFINT_DYN_CTL01_ITR_INDX_MASK);
1238         IAVF_WRITE_FLUSH(hw);
1239 }
1240
1241 static void
1242 iavf_dev_interrupt_handler(void *param)
1243 {
1244         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1245         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1246
1247         iavf_disable_irq0(hw);
1248
1249         iavf_handle_virtchnl_msg(dev);
1250
1251         iavf_enable_irq0(hw);
1252 }
1253
1254 static int
1255 iavf_dev_init(struct rte_eth_dev *eth_dev)
1256 {
1257         struct iavf_adapter *adapter =
1258                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1259         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1260         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1261
1262         PMD_INIT_FUNC_TRACE();
1263
1264         /* assign ops func pointer */
1265         eth_dev->dev_ops = &iavf_eth_dev_ops;
1266         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1267         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1268         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1269
1270         /* For secondary processes, we don't initialise any further as primary
1271          * has already done this work. Only check if we need a different RX
1272          * and TX function.
1273          */
1274         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1275                 iavf_set_rx_function(eth_dev);
1276                 iavf_set_tx_function(eth_dev);
1277                 return 0;
1278         }
1279         rte_eth_copy_pci_info(eth_dev, pci_dev);
1280
1281         hw->vendor_id = pci_dev->id.vendor_id;
1282         hw->device_id = pci_dev->id.device_id;
1283         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1284         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1285         hw->bus.bus_id = pci_dev->addr.bus;
1286         hw->bus.device = pci_dev->addr.devid;
1287         hw->bus.func = pci_dev->addr.function;
1288         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1289         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1290         adapter->eth_dev = eth_dev;
1291
1292         if (iavf_init_vf(eth_dev) != 0) {
1293                 PMD_INIT_LOG(ERR, "Init vf failed");
1294                 return -1;
1295         }
1296
1297         /* copy mac addr */
1298         eth_dev->data->mac_addrs = rte_zmalloc(
1299                                         "iavf_mac",
1300                                         ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX,
1301                                         0);
1302         if (!eth_dev->data->mac_addrs) {
1303                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1304                              " store MAC addresses",
1305                              ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1306                 return -ENOMEM;
1307         }
1308         /* If the MAC address is not configured by host,
1309          * generate a random one.
1310          */
1311         if (!is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1312                 eth_random_addr(hw->mac.addr);
1313         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1314                         &eth_dev->data->mac_addrs[0]);
1315
1316         /* register callback func to eal lib */
1317         rte_intr_callback_register(&pci_dev->intr_handle,
1318                                    iavf_dev_interrupt_handler,
1319                                    (void *)eth_dev);
1320
1321         /* enable uio intr after callback register */
1322         rte_intr_enable(&pci_dev->intr_handle);
1323
1324         /* configure and enable device interrupt */
1325         iavf_enable_irq0(hw);
1326
1327         return 0;
1328 }
1329
1330 static void
1331 iavf_dev_close(struct rte_eth_dev *dev)
1332 {
1333         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1334         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1335         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1336
1337         iavf_dev_stop(dev);
1338         iavf_shutdown_adminq(hw);
1339         /* disable uio intr before callback unregister */
1340         rte_intr_disable(intr_handle);
1341
1342         /* unregister callback func from eal lib */
1343         rte_intr_callback_unregister(intr_handle,
1344                                      iavf_dev_interrupt_handler, dev);
1345         iavf_disable_irq0(hw);
1346 }
1347
1348 static int
1349 iavf_dev_uninit(struct rte_eth_dev *dev)
1350 {
1351         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1352         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1353
1354         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1355                 return -EPERM;
1356
1357         dev->dev_ops = NULL;
1358         dev->rx_pkt_burst = NULL;
1359         dev->tx_pkt_burst = NULL;
1360         if (hw->adapter_stopped == 0)
1361                 iavf_dev_close(dev);
1362
1363         rte_free(vf->vf_res);
1364         vf->vsi_res = NULL;
1365         vf->vf_res = NULL;
1366
1367         rte_free(vf->aq_resp);
1368         vf->aq_resp = NULL;
1369
1370         if (vf->rss_lut) {
1371                 rte_free(vf->rss_lut);
1372                 vf->rss_lut = NULL;
1373         }
1374         if (vf->rss_key) {
1375                 rte_free(vf->rss_key);
1376                 vf->rss_key = NULL;
1377         }
1378
1379         return 0;
1380 }
1381
1382 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1383                              struct rte_pci_device *pci_dev)
1384 {
1385         return rte_eth_dev_pci_generic_probe(pci_dev,
1386                 sizeof(struct iavf_adapter), iavf_dev_init);
1387 }
1388
1389 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1390 {
1391         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1392 }
1393
1394 /* Adaptive virtual function driver struct */
1395 static struct rte_pci_driver rte_iavf_pmd = {
1396         .id_table = pci_id_iavf_map,
1397         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
1398                      RTE_PCI_DRV_IOVA_AS_VA,
1399         .probe = eth_iavf_pci_probe,
1400         .remove = eth_iavf_pci_remove,
1401 };
1402
1403 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1404 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1405 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1406 RTE_INIT(iavf_init_log)
1407 {
1408         iavf_logtype_init = rte_log_register("pmd.net.iavf.init");
1409         if (iavf_logtype_init >= 0)
1410                 rte_log_set_level(iavf_logtype_init, RTE_LOG_NOTICE);
1411         iavf_logtype_driver = rte_log_register("pmd.net.iavf.driver");
1412         if (iavf_logtype_driver >= 0)
1413                 rte_log_set_level(iavf_logtype_driver, RTE_LOG_NOTICE);
1414 }
1415
1416 /* memory func for base code */
1417 enum iavf_status_code
1418 iavf_allocate_dma_mem_d(__rte_unused struct iavf_hw *hw,
1419                        struct iavf_dma_mem *mem,
1420                        u64 size,
1421                        u32 alignment)
1422 {
1423         const struct rte_memzone *mz = NULL;
1424         char z_name[RTE_MEMZONE_NAMESIZE];
1425
1426         if (!mem)
1427                 return IAVF_ERR_PARAM;
1428
1429         snprintf(z_name, sizeof(z_name), "iavf_dma_%"PRIu64, rte_rand());
1430         mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY,
1431                         RTE_MEMZONE_IOVA_CONTIG, alignment, RTE_PGSIZE_2M);
1432         if (!mz)
1433                 return IAVF_ERR_NO_MEMORY;
1434
1435         mem->size = size;
1436         mem->va = mz->addr;
1437         mem->pa = mz->phys_addr;
1438         mem->zone = (const void *)mz;
1439         PMD_DRV_LOG(DEBUG,
1440                     "memzone %s allocated with physical address: %"PRIu64,
1441                     mz->name, mem->pa);
1442
1443         return IAVF_SUCCESS;
1444 }
1445
1446 enum iavf_status_code
1447 iavf_free_dma_mem_d(__rte_unused struct iavf_hw *hw,
1448                    struct iavf_dma_mem *mem)
1449 {
1450         if (!mem)
1451                 return IAVF_ERR_PARAM;
1452
1453         PMD_DRV_LOG(DEBUG,
1454                     "memzone %s to be freed with physical address: %"PRIu64,
1455                     ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1456         rte_memzone_free((const struct rte_memzone *)mem->zone);
1457         mem->zone = NULL;
1458         mem->va = NULL;
1459         mem->pa = (u64)0;
1460
1461         return IAVF_SUCCESS;
1462 }
1463
1464 enum iavf_status_code
1465 iavf_allocate_virt_mem_d(__rte_unused struct iavf_hw *hw,
1466                         struct iavf_virt_mem *mem,
1467                         u32 size)
1468 {
1469         if (!mem)
1470                 return IAVF_ERR_PARAM;
1471
1472         mem->size = size;
1473         mem->va = rte_zmalloc("iavf", size, 0);
1474
1475         if (mem->va)
1476                 return IAVF_SUCCESS;
1477         else
1478                 return IAVF_ERR_NO_MEMORY;
1479 }
1480
1481 enum iavf_status_code
1482 iavf_free_virt_mem_d(__rte_unused struct iavf_hw *hw,
1483                     struct iavf_virt_mem *mem)
1484 {
1485         if (!mem)
1486                 return IAVF_ERR_PARAM;
1487
1488         rte_free(mem->va);
1489         mem->va = NULL;
1490
1491         return IAVF_SUCCESS;
1492 }