drivers/net/iavf/iavf_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13 #include <rte_byteorder.h>
  14 #include <rte_common.h>
  15
  16 #include <rte_interrupts.h>
  17 #include <rte_debug.h>
  18 #include <rte_pci.h>
  19 #include <rte_atomic.h>
  20 #include <rte_eal.h>
  21 #include <rte_ether.h>
  22 #include <rte_ethdev_driver.h>
  23 #include <rte_ethdev_pci.h>
  24 #include <rte_malloc.h>
  25 #include <rte_memzone.h>
  26 #include <rte_dev.h>
  27
  28 #include "iavf.h"
  29 #include "iavf_rxtx.h"
  30 #include "iavf_generic_flow.h"
  31
  32 static int iavf_dev_configure(struct rte_eth_dev *dev);
  33 static int iavf_dev_start(struct rte_eth_dev *dev);
  34 static void iavf_dev_stop(struct rte_eth_dev *dev);
  35 static void iavf_dev_close(struct rte_eth_dev *dev);
  36 static int iavf_dev_reset(struct rte_eth_dev *dev);
  37 static int iavf_dev_info_get(struct rte_eth_dev *dev,
  38                              struct rte_eth_dev_info *dev_info);
  39 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
  40 static int iavf_dev_stats_get(struct rte_eth_dev *dev,
  41                              struct rte_eth_stats *stats);
  42 static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
  43 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
  44 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  45 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  46 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
  47 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
  48                                 struct rte_ether_addr *addr,
  49                                 uint32_t index,
  50                                 uint32_t pool);
  51 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
  52 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
  53                                    uint16_t vlan_id, int on);
  54 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  55 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
  56                                    struct rte_eth_rss_reta_entry64 *reta_conf,
  57                                    uint16_t reta_size);
  58 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
  59                                   struct rte_eth_rss_reta_entry64 *reta_conf,
  60                                   uint16_t reta_size);
  61 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
  62                                    struct rte_eth_rss_conf *rss_conf);
  63 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
  64                                      struct rte_eth_rss_conf *rss_conf);
  65 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  66 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
  67                                          struct rte_ether_addr *mac_addr);
  68 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
  69                                         uint16_t queue_id);
  70 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
  71                                          uint16_t queue_id);
  72 static int iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
  73                      enum rte_filter_type filter_type,
  74                      enum rte_filter_op filter_op,
  75                      void *arg);
  76
  77 static const struct rte_pci_id pci_id_iavf_map[] = {
  78         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
  79         { .vendor_id = 0, /* sentinel */ },
  80 };
  81
  82 static const struct eth_dev_ops iavf_eth_dev_ops = {
  83         .dev_configure              = iavf_dev_configure,
  84         .dev_start                  = iavf_dev_start,
  85         .dev_stop                   = iavf_dev_stop,
  86         .dev_close                  = iavf_dev_close,
  87         .dev_reset                  = iavf_dev_reset,
  88         .dev_infos_get              = iavf_dev_info_get,
  89         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
  90         .link_update                = iavf_dev_link_update,
  91         .stats_get                  = iavf_dev_stats_get,
  92         .stats_reset                = iavf_dev_stats_reset,
  93         .promiscuous_enable         = iavf_dev_promiscuous_enable,
  94         .promiscuous_disable        = iavf_dev_promiscuous_disable,
  95         .allmulticast_enable        = iavf_dev_allmulticast_enable,
  96         .allmulticast_disable       = iavf_dev_allmulticast_disable,
  97         .mac_addr_add               = iavf_dev_add_mac_addr,
  98         .mac_addr_remove            = iavf_dev_del_mac_addr,
  99         .vlan_filter_set            = iavf_dev_vlan_filter_set,
 100         .vlan_offload_set           = iavf_dev_vlan_offload_set,
 101         .rx_queue_start             = iavf_dev_rx_queue_start,
 102         .rx_queue_stop              = iavf_dev_rx_queue_stop,
 103         .tx_queue_start             = iavf_dev_tx_queue_start,
 104         .tx_queue_stop              = iavf_dev_tx_queue_stop,
 105         .rx_queue_setup             = iavf_dev_rx_queue_setup,
 106         .rx_queue_release           = iavf_dev_rx_queue_release,
 107         .tx_queue_setup             = iavf_dev_tx_queue_setup,
 108         .tx_queue_release           = iavf_dev_tx_queue_release,
 109         .mac_addr_set               = iavf_dev_set_default_mac_addr,
 110         .reta_update                = iavf_dev_rss_reta_update,
 111         .reta_query                 = iavf_dev_rss_reta_query,
 112         .rss_hash_update            = iavf_dev_rss_hash_update,
 113         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
 114         .rxq_info_get               = iavf_dev_rxq_info_get,
 115         .txq_info_get               = iavf_dev_txq_info_get,
 116         .rx_queue_count             = iavf_dev_rxq_count,
 117         .rx_descriptor_status       = iavf_dev_rx_desc_status,
 118         .tx_descriptor_status       = iavf_dev_tx_desc_status,
 119         .mtu_set                    = iavf_dev_mtu_set,
 120         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
 121         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
 122         .filter_ctrl                = iavf_dev_filter_ctrl,
 123 };
 124
 125 static int
 126 iavf_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         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 135          * vector Rx/Tx preconditions, it will be reset.
 136          */
 137         ad->rx_vec_allowed = true;
 138         ad->tx_vec_allowed = true;
 139
 140         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
 141                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 142
 143         /* Vlan stripping setting */
 144         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 145                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 146                         iavf_enable_vlan_strip(ad);
 147                 else
 148                         iavf_disable_vlan_strip(ad);
 149         }
 150         return 0;
 151 }
 152
 153 static int
 154 iavf_init_rss(struct iavf_adapter *adapter)
 155 {
 156         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
 157         struct rte_eth_rss_conf *rss_conf;
 158         uint8_t i, j, nb_q;
 159         int ret;
 160
 161         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 162         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 163                        IAVF_MAX_NUM_QUEUES);
 164
 165         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 166                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 167                 return -ENOTSUP;
 168         }
 169         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 170                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 171                 /* set all lut items to default queue */
 172                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 173                         vf->rss_lut[i] = 0;
 174                 ret = iavf_configure_rss_lut(adapter);
 175                 return ret;
 176         }
 177
 178         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 179          * to set based on rss_conf->rss_hf.
 180          */
 181
 182         /* configure RSS key */
 183         if (!rss_conf->rss_key) {
 184                 /* Calculate the default hash key */
 185                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 186                         vf->rss_key[i] = (uint8_t)rte_rand();
 187         } else
 188                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 189                            RTE_MIN(rss_conf->rss_key_len,
 190                                    vf->vf_res->rss_key_size));
 191
 192         /* init RSS LUT table */
 193         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 194                 if (j >= nb_q)
 195                         j = 0;
 196                 vf->rss_lut[i] = j;
 197         }
 198         /* send virtchnnl ops to configure rss*/
 199         ret = iavf_configure_rss_lut(adapter);
 200         if (ret)
 201                 return ret;
 202         ret = iavf_configure_rss_key(adapter);
 203         if (ret)
 204                 return ret;
 205
 206         return 0;
 207 }
 208
 209 static int
 210 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 211 {
 212         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 213         struct rte_eth_dev_data *dev_data = dev->data;
 214         uint16_t buf_size, max_pkt_len, len;
 215
 216         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 217
 218         /* Calculate the maximum packet length allowed */
 219         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
 220         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 221
 222         /* Check if the jumbo frame and maximum packet length are set
 223          * correctly.
 224          */
 225         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 226                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
 227                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
 228                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 229                                     "larger than %u and smaller than %u, "
 230                                     "as jumbo frame is enabled",
 231                                     (uint32_t)RTE_ETHER_MAX_LEN,
 232                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 233                         return -EINVAL;
 234                 }
 235         } else {
 236                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
 237                     max_pkt_len > RTE_ETHER_MAX_LEN) {
 238                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 239                                     "larger than %u and smaller than %u, "
 240                                     "as jumbo frame is disabled",
 241                                     (uint32_t)RTE_ETHER_MIN_LEN,
 242                                     (uint32_t)RTE_ETHER_MAX_LEN);
 243                         return -EINVAL;
 244                 }
 245         }
 246
 247         rxq->max_pkt_len = max_pkt_len;
 248         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 249             (rxq->max_pkt_len + 2 * IAVF_VLAN_TAG_SIZE) > buf_size) {
 250                 dev_data->scattered_rx = 1;
 251         }
 252         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 253         IAVF_WRITE_FLUSH(hw);
 254
 255         return 0;
 256 }
 257
 258 static int
 259 iavf_init_queues(struct rte_eth_dev *dev)
 260 {
 261         struct iavf_rx_queue **rxq =
 262                 (struct iavf_rx_queue **)dev->data->rx_queues;
 263         int i, ret = IAVF_SUCCESS;
 264
 265         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 266                 if (!rxq[i] || !rxq[i]->q_set)
 267                         continue;
 268                 ret = iavf_init_rxq(dev, rxq[i]);
 269                 if (ret != IAVF_SUCCESS)
 270                         break;
 271         }
 272         /* set rx/tx function to vector/scatter/single-segment
 273          * according to parameters
 274          */
 275         iavf_set_rx_function(dev);
 276         iavf_set_tx_function(dev);
 277
 278         return ret;
 279 }
 280
 281 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 282                                      struct rte_intr_handle *intr_handle)
 283 {
 284         struct iavf_adapter *adapter =
 285                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 286         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 287         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 288         uint16_t interval, i;
 289         int vec;
 290
 291         if (rte_intr_cap_multiple(intr_handle) &&
 292             dev->data->dev_conf.intr_conf.rxq) {
 293                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 294                         return -1;
 295         }
 296
 297         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 298                 intr_handle->intr_vec =
 299                         rte_zmalloc("intr_vec",
 300                                     dev->data->nb_rx_queues * sizeof(int), 0);
 301                 if (!intr_handle->intr_vec) {
 302                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 303                                     dev->data->nb_rx_queues);
 304                         return -1;
 305                 }
 306         }
 307
 308         if (!dev->data->dev_conf.intr_conf.rxq ||
 309             !rte_intr_dp_is_en(intr_handle)) {
 310                 /* Rx interrupt disabled, Map interrupt only for writeback */
 311                 vf->nb_msix = 1;
 312                 if (vf->vf_res->vf_cap_flags &
 313                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 314                         /* If WB_ON_ITR supports, enable it */
 315                         vf->msix_base = IAVF_RX_VEC_START;
 316                         IAVF_WRITE_REG(hw,
 317                                        IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
 318                                        IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
 319                                        IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 320                 } else {
 321                         /* If no WB_ON_ITR offload flags, need to set
 322                          * interrupt for descriptor write back.
 323                          */
 324                         vf->msix_base = IAVF_MISC_VEC_ID;
 325
 326                         /* set ITR to max */
 327                         interval = iavf_calc_itr_interval(
 328                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
 329                         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
 330                                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 331                                        (IAVF_ITR_INDEX_DEFAULT <<
 332                                         IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 333                                        (interval <<
 334                                         IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
 335                 }
 336                 IAVF_WRITE_FLUSH(hw);
 337                 /* map all queues to the same interrupt */
 338                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 339                         vf->rxq_map[vf->msix_base] |= 1 << i;
 340         } else {
 341                 if (!rte_intr_allow_others(intr_handle)) {
 342                         vf->nb_msix = 1;
 343                         vf->msix_base = IAVF_MISC_VEC_ID;
 344                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 345                                 vf->rxq_map[vf->msix_base] |= 1 << i;
 346                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
 347                         }
 348                         PMD_DRV_LOG(DEBUG,
 349                                     "vector %u are mapping to all Rx queues",
 350                                     vf->msix_base);
 351                 } else {
 352                         /* If Rx interrupt is reuquired, and we can use
 353                          * multi interrupts, then the vec is from 1
 354                          */
 355                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 356                                               intr_handle->nb_efd);
 357                         vf->msix_base = IAVF_RX_VEC_START;
 358                         vec = IAVF_RX_VEC_START;
 359                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 360                                 vf->rxq_map[vec] |= 1 << i;
 361                                 intr_handle->intr_vec[i] = vec++;
 362                                 if (vec >= vf->nb_msix)
 363                                         vec = IAVF_RX_VEC_START;
 364                         }
 365                         PMD_DRV_LOG(DEBUG,
 366                                     "%u vectors are mapping to %u Rx queues",
 367                                     vf->nb_msix, dev->data->nb_rx_queues);
 368                 }
 369         }
 370
 371         if (iavf_config_irq_map(adapter)) {
 372                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 373                 return -1;
 374         }
 375         return 0;
 376 }
 377
 378 static int
 379 iavf_start_queues(struct rte_eth_dev *dev)
 380 {
 381         struct iavf_rx_queue *rxq;
 382         struct iavf_tx_queue *txq;
 383         int i;
 384
 385         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 386                 txq = dev->data->tx_queues[i];
 387                 if (txq->tx_deferred_start)
 388                         continue;
 389                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
 390                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 391                         return -1;
 392                 }
 393         }
 394
 395         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 396                 rxq = dev->data->rx_queues[i];
 397                 if (rxq->rx_deferred_start)
 398                         continue;
 399                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
 400                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 401                         return -1;
 402                 }
 403         }
 404
 405         return 0;
 406 }
 407
 408 static int
 409 iavf_dev_start(struct rte_eth_dev *dev)
 410 {
 411         struct iavf_adapter *adapter =
 412                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 413         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 414         struct rte_intr_handle *intr_handle = dev->intr_handle;
 415
 416         PMD_INIT_FUNC_TRACE();
 417
 418         adapter->stopped = 0;
 419
 420         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 421         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 422                                       dev->data->nb_tx_queues);
 423
 424         if (iavf_init_queues(dev) != 0) {
 425                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 426                 return -1;
 427         }
 428
 429         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 430                 if (iavf_init_rss(adapter) != 0) {
 431                         PMD_DRV_LOG(ERR, "configure rss failed");
 432                         goto err_rss;
 433                 }
 434         }
 435
 436         if (iavf_configure_queues(adapter) != 0) {
 437                 PMD_DRV_LOG(ERR, "configure queues failed");
 438                 goto err_queue;
 439         }
 440
 441         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 442                 PMD_DRV_LOG(ERR, "configure irq failed");
 443                 goto err_queue;
 444         }
 445         /* re-enable intr again, because efd assign may change */
 446         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 447                 rte_intr_disable(intr_handle);
 448                 rte_intr_enable(intr_handle);
 449         }
 450
 451         /* Set all mac addrs */
 452         iavf_add_del_all_mac_addr(adapter, true);
 453
 454         if (iavf_start_queues(dev) != 0) {
 455                 PMD_DRV_LOG(ERR, "enable queues failed");
 456                 goto err_mac;
 457         }
 458
 459         return 0;
 460
 461 err_mac:
 462         iavf_add_del_all_mac_addr(adapter, false);
 463 err_queue:
 464 err_rss:
 465         return -1;
 466 }
 467
 468 static void
 469 iavf_dev_stop(struct rte_eth_dev *dev)
 470 {
 471         struct iavf_adapter *adapter =
 472                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 473         struct rte_intr_handle *intr_handle = dev->intr_handle;
 474
 475         PMD_INIT_FUNC_TRACE();
 476
 477         if (adapter->stopped == 1)
 478                 return;
 479
 480         iavf_stop_queues(dev);
 481
 482         /* Disable the interrupt for Rx */
 483         rte_intr_efd_disable(intr_handle);
 484         /* Rx interrupt vector mapping free */
 485         if (intr_handle->intr_vec) {
 486                 rte_free(intr_handle->intr_vec);
 487                 intr_handle->intr_vec = NULL;
 488         }
 489
 490         /* remove all mac addrs */
 491         iavf_add_del_all_mac_addr(adapter, false);
 492         adapter->stopped = 1;
 493 }
 494
 495 static int
 496 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 497 {
 498         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 499
 500         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 501         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 502         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 503         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 504         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 505         dev_info->reta_size = vf->vf_res->rss_lut_size;
 506         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 507         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 508         dev_info->rx_offload_capa =
 509                 DEV_RX_OFFLOAD_VLAN_STRIP |
 510                 DEV_RX_OFFLOAD_QINQ_STRIP |
 511                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 512                 DEV_RX_OFFLOAD_UDP_CKSUM |
 513                 DEV_RX_OFFLOAD_TCP_CKSUM |
 514                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 515                 DEV_RX_OFFLOAD_SCATTER |
 516                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 517                 DEV_RX_OFFLOAD_VLAN_FILTER |
 518                 DEV_RX_OFFLOAD_RSS_HASH;
 519         dev_info->tx_offload_capa =
 520                 DEV_TX_OFFLOAD_VLAN_INSERT |
 521                 DEV_TX_OFFLOAD_QINQ_INSERT |
 522                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 523                 DEV_TX_OFFLOAD_UDP_CKSUM |
 524                 DEV_TX_OFFLOAD_TCP_CKSUM |
 525                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 526                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 527                 DEV_TX_OFFLOAD_TCP_TSO |
 528                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 529                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 530                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 531                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 532                 DEV_TX_OFFLOAD_MULTI_SEGS;
 533
 534         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 535                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 536                 .rx_drop_en = 0,
 537                 .offloads = 0,
 538         };
 539
 540         dev_info->default_txconf = (struct rte_eth_txconf) {
 541                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 542                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 543                 .offloads = 0,
 544         };
 545
 546         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 547                 .nb_max = IAVF_MAX_RING_DESC,
 548                 .nb_min = IAVF_MIN_RING_DESC,
 549                 .nb_align = IAVF_ALIGN_RING_DESC,
 550         };
 551
 552         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 553                 .nb_max = IAVF_MAX_RING_DESC,
 554                 .nb_min = IAVF_MIN_RING_DESC,
 555                 .nb_align = IAVF_ALIGN_RING_DESC,
 556         };
 557
 558         return 0;
 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         memset(&new_link, 0, sizeof(new_link));
 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 int
 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 0;
 647
 648         ret = iavf_config_promisc(adapter, true, vf->promisc_multicast_enabled);
 649         if (!ret)
 650                 vf->promisc_unicast_enabled = true;
 651         else
 652                 ret = -EAGAIN;
 653
 654         return ret;
 655 }
 656
 657 static int
 658 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 659 {
 660         struct iavf_adapter *adapter =
 661                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 662         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 663         int ret;
 664
 665         if (!vf->promisc_unicast_enabled)
 666                 return 0;
 667
 668         ret = iavf_config_promisc(adapter, false,
 669                                   vf->promisc_multicast_enabled);
 670         if (!ret)
 671                 vf->promisc_unicast_enabled = false;
 672         else
 673                 ret = -EAGAIN;
 674
 675         return ret;
 676 }
 677
 678 static int
 679 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 680 {
 681         struct iavf_adapter *adapter =
 682                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 683         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 684         int ret;
 685
 686         if (vf->promisc_multicast_enabled)
 687                 return 0;
 688
 689         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, true);
 690         if (!ret)
 691                 vf->promisc_multicast_enabled = true;
 692         else
 693                 ret = -EAGAIN;
 694
 695         return ret;
 696 }
 697
 698 static int
 699 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 700 {
 701         struct iavf_adapter *adapter =
 702                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 703         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 704         int ret;
 705
 706         if (!vf->promisc_multicast_enabled)
 707                 return 0;
 708
 709         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, false);
 710         if (!ret)
 711                 vf->promisc_multicast_enabled = false;
 712         else
 713                 ret = -EAGAIN;
 714
 715         return ret;
 716 }
 717
 718 static int
 719 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 720                      __rte_unused uint32_t index,
 721                      __rte_unused uint32_t pool)
 722 {
 723         struct iavf_adapter *adapter =
 724                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 725         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 726         int err;
 727
 728         if (rte_is_zero_ether_addr(addr)) {
 729                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 730                 return -EINVAL;
 731         }
 732
 733         err = iavf_add_del_eth_addr(adapter, addr, true);
 734         if (err) {
 735                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 736                 return -EIO;
 737         }
 738
 739         vf->mac_num++;
 740
 741         return 0;
 742 }
 743
 744 static void
 745 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 746 {
 747         struct iavf_adapter *adapter =
 748                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 749         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 750         struct rte_ether_addr *addr;
 751         int err;
 752
 753         addr = &dev->data->mac_addrs[index];
 754
 755         err = iavf_add_del_eth_addr(adapter, addr, false);
 756         if (err)
 757                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 758
 759         vf->mac_num--;
 760 }
 761
 762 static int
 763 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 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         int err;
 769
 770         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 771                 return -ENOTSUP;
 772
 773         err = iavf_add_del_vlan(adapter, vlan_id, on);
 774         if (err)
 775                 return -EIO;
 776         return 0;
 777 }
 778
 779 static int
 780 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 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         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 786         int err;
 787
 788         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 789                 return -ENOTSUP;
 790
 791         /* Vlan stripping setting */
 792         if (mask & ETH_VLAN_STRIP_MASK) {
 793                 /* Enable or disable VLAN stripping */
 794                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 795                         err = iavf_enable_vlan_strip(adapter);
 796                 else
 797                         err = iavf_disable_vlan_strip(adapter);
 798
 799                 if (err)
 800                         return -EIO;
 801         }
 802         return 0;
 803 }
 804
 805 static int
 806 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 807                         struct rte_eth_rss_reta_entry64 *reta_conf,
 808                         uint16_t reta_size)
 809 {
 810         struct iavf_adapter *adapter =
 811                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 812         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 813         uint8_t *lut;
 814         uint16_t i, idx, shift;
 815         int ret;
 816
 817         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 818                 return -ENOTSUP;
 819
 820         if (reta_size != vf->vf_res->rss_lut_size) {
 821                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 822                         "(%d) doesn't match the number of hardware can "
 823                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 824                 return -EINVAL;
 825         }
 826
 827         lut = rte_zmalloc("rss_lut", reta_size, 0);
 828         if (!lut) {
 829                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 830                 return -ENOMEM;
 831         }
 832         /* store the old lut table temporarily */
 833         rte_memcpy(lut, vf->rss_lut, reta_size);
 834
 835         for (i = 0; i < reta_size; i++) {
 836                 idx = i / RTE_RETA_GROUP_SIZE;
 837                 shift = i % RTE_RETA_GROUP_SIZE;
 838                 if (reta_conf[idx].mask & (1ULL << shift))
 839                         lut[i] = reta_conf[idx].reta[shift];
 840         }
 841
 842         rte_memcpy(vf->rss_lut, lut, reta_size);
 843         /* send virtchnnl ops to configure rss*/
 844         ret = iavf_configure_rss_lut(adapter);
 845         if (ret) /* revert back */
 846                 rte_memcpy(vf->rss_lut, lut, reta_size);
 847         rte_free(lut);
 848
 849         return ret;
 850 }
 851
 852 static int
 853 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 854                        struct rte_eth_rss_reta_entry64 *reta_conf,
 855                        uint16_t reta_size)
 856 {
 857         struct iavf_adapter *adapter =
 858                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 859         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 860         uint16_t i, idx, shift;
 861
 862         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 863                 return -ENOTSUP;
 864
 865         if (reta_size != vf->vf_res->rss_lut_size) {
 866                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 867                         "(%d) doesn't match the number of hardware can "
 868                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 869                 return -EINVAL;
 870         }
 871
 872         for (i = 0; i < reta_size; i++) {
 873                 idx = i / RTE_RETA_GROUP_SIZE;
 874                 shift = i % RTE_RETA_GROUP_SIZE;
 875                 if (reta_conf[idx].mask & (1ULL << shift))
 876                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 877         }
 878
 879         return 0;
 880 }
 881
 882 static int
 883 iavf_dev_rss_hash_update(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         /* HENA setting, it is enabled by default, no change */
 894         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 895                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 896                 return 0;
 897         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 898                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 899                         "(%d) doesn't match the size of hardware can "
 900                         "support (%d)", rss_conf->rss_key_len,
 901                         vf->vf_res->rss_key_size);
 902                 return -EINVAL;
 903         }
 904
 905         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 906
 907         return iavf_configure_rss_key(adapter);
 908 }
 909
 910 static int
 911 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 912                           struct rte_eth_rss_conf *rss_conf)
 913 {
 914         struct iavf_adapter *adapter =
 915                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 916         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 917
 918         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 919                 return -ENOTSUP;
 920
 921          /* Just set it to default value now. */
 922         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 923
 924         if (!rss_conf->rss_key)
 925                 return 0;
 926
 927         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 928         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 929
 930         return 0;
 931 }
 932
 933 static int
 934 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 935 {
 936         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 937         int ret = 0;
 938
 939         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 940                 return -EINVAL;
 941
 942         /* mtu setting is forbidden if port is start */
 943         if (dev->data->dev_started) {
 944                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 945                 return -EBUSY;
 946         }
 947
 948         if (frame_size > RTE_ETHER_MAX_LEN)
 949                 dev->data->dev_conf.rxmode.offloads |=
 950                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 951         else
 952                 dev->data->dev_conf.rxmode.offloads &=
 953                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 954
 955         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 956
 957         return ret;
 958 }
 959
 960 static int
 961 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 962                              struct rte_ether_addr *mac_addr)
 963 {
 964         struct iavf_adapter *adapter =
 965                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 966         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 967         struct rte_ether_addr *perm_addr, *old_addr;
 968         int ret;
 969
 970         old_addr = (struct rte_ether_addr *)hw->mac.addr;
 971         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
 972
 973         if (rte_is_same_ether_addr(mac_addr, old_addr))
 974                 return 0;
 975
 976         /* If the MAC address is configured by host, skip the setting */
 977         if (rte_is_valid_assigned_ether_addr(perm_addr))
 978                 return -EPERM;
 979
 980         ret = iavf_add_del_eth_addr(adapter, old_addr, false);
 981         if (ret)
 982                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 983                             " %02X:%02X:%02X:%02X:%02X:%02X",
 984                             old_addr->addr_bytes[0],
 985                             old_addr->addr_bytes[1],
 986                             old_addr->addr_bytes[2],
 987                             old_addr->addr_bytes[3],
 988                             old_addr->addr_bytes[4],
 989                             old_addr->addr_bytes[5]);
 990
 991         ret = iavf_add_del_eth_addr(adapter, mac_addr, true);
 992         if (ret)
 993                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
 994                             " %02X:%02X:%02X:%02X:%02X:%02X",
 995                             mac_addr->addr_bytes[0],
 996                             mac_addr->addr_bytes[1],
 997                             mac_addr->addr_bytes[2],
 998                             mac_addr->addr_bytes[3],
 999                             mac_addr->addr_bytes[4],
1000                             mac_addr->addr_bytes[5]);
1001
1002         if (ret)
1003                 return -EIO;
1004
1005         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1006         return 0;
1007 }
1008
1009 static void
1010 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1011 {
1012         if (*stat >= *offset)
1013                 *stat = *stat - *offset;
1014         else
1015                 *stat = (uint64_t)((*stat +
1016                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1017
1018         *stat &= IAVF_48_BIT_MASK;
1019 }
1020
1021 static void
1022 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1023 {
1024         if (*stat >= *offset)
1025                 *stat = (uint64_t)(*stat - *offset);
1026         else
1027                 *stat = (uint64_t)((*stat +
1028                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1029 }
1030
1031 static void
1032 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1033 {
1034         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1035
1036         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1037         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1038         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1039         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1040         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1041         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1042         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1043         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1044         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1045         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1046         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1047 }
1048
1049 static int
1050 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1051 {
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         int ret;
1058
1059         ret = iavf_query_stats(adapter, &pstats);
1060         if (ret == 0) {
1061                 iavf_update_stats(vsi, pstats);
1062                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1063                                 pstats->rx_broadcast - pstats->rx_discards;
1064                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1065                                                 pstats->tx_unicast;
1066                 stats->imissed = pstats->rx_discards;
1067                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1068                 stats->ibytes = pstats->rx_bytes;
1069                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1070                 stats->obytes = pstats->tx_bytes;
1071         } else {
1072                 PMD_DRV_LOG(ERR, "Get statistics failed");
1073         }
1074         return ret;
1075 }
1076
1077 static int
1078 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1079 {
1080         int ret;
1081         struct iavf_adapter *adapter =
1082                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1083         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1084         struct iavf_vsi *vsi = &vf->vsi;
1085         struct virtchnl_eth_stats *pstats = NULL;
1086
1087         /* read stat values to clear hardware registers */
1088         ret = iavf_query_stats(adapter, &pstats);
1089         if (ret != 0)
1090                 return ret;
1091
1092         /* set stats offset base on current values */
1093         vsi->eth_stats_offset = *pstats;
1094
1095         return 0;
1096 }
1097
1098 static int
1099 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1100 {
1101         struct iavf_adapter *adapter =
1102                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1103         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1104         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1105         uint16_t msix_intr;
1106
1107         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1108         if (msix_intr == IAVF_MISC_VEC_ID) {
1109                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1110                 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1111                                IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1112                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1113                                IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1114         } else {
1115                 IAVF_WRITE_REG(hw,
1116                                IAVF_VFINT_DYN_CTLN1
1117                                 (msix_intr - IAVF_RX_VEC_START),
1118                                IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1119                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1120                                IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1121         }
1122
1123         IAVF_WRITE_FLUSH(hw);
1124
1125         rte_intr_ack(&pci_dev->intr_handle);
1126
1127         return 0;
1128 }
1129
1130 static int
1131 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1132 {
1133         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1134         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1135         uint16_t msix_intr;
1136
1137         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1138         if (msix_intr == IAVF_MISC_VEC_ID) {
1139                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1140                 return -EIO;
1141         }
1142
1143         IAVF_WRITE_REG(hw,
1144                       IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1145                       0);
1146
1147         IAVF_WRITE_FLUSH(hw);
1148         return 0;
1149 }
1150
1151 static int
1152 iavf_check_vf_reset_done(struct iavf_hw *hw)
1153 {
1154         int i, reset;
1155
1156         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1157                 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1158                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1159                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1160                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1161                     reset == VIRTCHNL_VFR_COMPLETED)
1162                         break;
1163                 rte_delay_ms(20);
1164         }
1165
1166         if (i >= IAVF_RESET_WAIT_CNT)
1167                 return -1;
1168
1169         return 0;
1170 }
1171
1172 static int
1173 iavf_init_vf(struct rte_eth_dev *dev)
1174 {
1175         int err, bufsz;
1176         struct iavf_adapter *adapter =
1177                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1178         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1179         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1180
1181         err = iavf_set_mac_type(hw);
1182         if (err) {
1183                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1184                 goto err;
1185         }
1186
1187         err = iavf_check_vf_reset_done(hw);
1188         if (err) {
1189                 PMD_INIT_LOG(ERR, "VF is still resetting");
1190                 goto err;
1191         }
1192
1193         iavf_init_adminq_parameter(hw);
1194         err = iavf_init_adminq(hw);
1195         if (err) {
1196                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1197                 goto err;
1198         }
1199
1200         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1201         if (!vf->aq_resp) {
1202                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1203                 goto err_aq;
1204         }
1205         if (iavf_check_api_version(adapter) != 0) {
1206                 PMD_INIT_LOG(ERR, "check_api version failed");
1207                 goto err_api;
1208         }
1209
1210         bufsz = sizeof(struct virtchnl_vf_resource) +
1211                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1212         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1213         if (!vf->vf_res) {
1214                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1215                 goto err_api;
1216         }
1217         if (iavf_get_vf_resource(adapter) != 0) {
1218                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1219                 goto err_alloc;
1220         }
1221         /* Allocate memort for RSS info */
1222         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1223                 vf->rss_key = rte_zmalloc("rss_key",
1224                                           vf->vf_res->rss_key_size, 0);
1225                 if (!vf->rss_key) {
1226                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1227                         goto err_rss;
1228                 }
1229                 vf->rss_lut = rte_zmalloc("rss_lut",
1230                                           vf->vf_res->rss_lut_size, 0);
1231                 if (!vf->rss_lut) {
1232                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1233                         goto err_rss;
1234                 }
1235         }
1236
1237         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1238                 if (iavf_get_supported_rxdid(adapter) != 0) {
1239                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
1240                         goto err_rss;
1241                 }
1242         }
1243
1244         return 0;
1245 err_rss:
1246         rte_free(vf->rss_key);
1247         rte_free(vf->rss_lut);
1248 err_alloc:
1249         rte_free(vf->vf_res);
1250         vf->vsi_res = NULL;
1251 err_api:
1252         rte_free(vf->aq_resp);
1253 err_aq:
1254         iavf_shutdown_adminq(hw);
1255 err:
1256         return -1;
1257 }
1258
1259 /* Enable default admin queue interrupt setting */
1260 static inline void
1261 iavf_enable_irq0(struct iavf_hw *hw)
1262 {
1263         /* Enable admin queue interrupt trigger */
1264         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
1265                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
1266
1267         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1268                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1269                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1270                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1271
1272         IAVF_WRITE_FLUSH(hw);
1273 }
1274
1275 static inline void
1276 iavf_disable_irq0(struct iavf_hw *hw)
1277 {
1278         /* Disable all interrupt types */
1279         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
1280         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1281                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1282         IAVF_WRITE_FLUSH(hw);
1283 }
1284
1285 static void
1286 iavf_dev_interrupt_handler(void *param)
1287 {
1288         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1289         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1290
1291         iavf_disable_irq0(hw);
1292
1293         iavf_handle_virtchnl_msg(dev);
1294
1295         iavf_enable_irq0(hw);
1296 }
1297
1298 static int
1299 iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
1300                      enum rte_filter_type filter_type,
1301                      enum rte_filter_op filter_op,
1302                      void *arg)
1303 {
1304         int ret = 0;
1305
1306         if (!dev)
1307                 return -EINVAL;
1308
1309         switch (filter_type) {
1310         case RTE_ETH_FILTER_GENERIC:
1311                 if (filter_op != RTE_ETH_FILTER_GET)
1312                         return -EINVAL;
1313                 *(const void **)arg = &iavf_flow_ops;
1314                 break;
1315         default:
1316                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
1317                             filter_type);
1318                 ret = -EINVAL;
1319                 break;
1320         }
1321
1322         return ret;
1323 }
1324
1325
1326 static int
1327 iavf_dev_init(struct rte_eth_dev *eth_dev)
1328 {
1329         struct iavf_adapter *adapter =
1330                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1331         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1332         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1333         int ret = 0;
1334
1335         PMD_INIT_FUNC_TRACE();
1336
1337         /* assign ops func pointer */
1338         eth_dev->dev_ops = &iavf_eth_dev_ops;
1339         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1340         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1341         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1342
1343         /* For secondary processes, we don't initialise any further as primary
1344          * has already done this work. Only check if we need a different RX
1345          * and TX function.
1346          */
1347         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1348                 iavf_set_rx_function(eth_dev);
1349                 iavf_set_tx_function(eth_dev);
1350                 return 0;
1351         }
1352         rte_eth_copy_pci_info(eth_dev, pci_dev);
1353
1354         hw->vendor_id = pci_dev->id.vendor_id;
1355         hw->device_id = pci_dev->id.device_id;
1356         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1357         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1358         hw->bus.bus_id = pci_dev->addr.bus;
1359         hw->bus.device = pci_dev->addr.devid;
1360         hw->bus.func = pci_dev->addr.function;
1361         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1362         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1363         adapter->eth_dev = eth_dev;
1364         adapter->stopped = 1;
1365
1366         if (iavf_init_vf(eth_dev) != 0) {
1367                 PMD_INIT_LOG(ERR, "Init vf failed");
1368                 return -1;
1369         }
1370
1371         /* set default ptype table */
1372         adapter->ptype_tbl = iavf_get_default_ptype_table();
1373
1374         /* copy mac addr */
1375         eth_dev->data->mac_addrs = rte_zmalloc(
1376                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1377         if (!eth_dev->data->mac_addrs) {
1378                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1379                              " store MAC addresses",
1380                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1381                 return -ENOMEM;
1382         }
1383         /* If the MAC address is not configured by host,
1384          * generate a random one.
1385          */
1386         if (!rte_is_valid_assigned_ether_addr(
1387                         (struct rte_ether_addr *)hw->mac.addr))
1388                 rte_eth_random_addr(hw->mac.addr);
1389         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1390                         &eth_dev->data->mac_addrs[0]);
1391
1392         /* register callback func to eal lib */
1393         rte_intr_callback_register(&pci_dev->intr_handle,
1394                                    iavf_dev_interrupt_handler,
1395                                    (void *)eth_dev);
1396
1397         /* enable uio intr after callback register */
1398         rte_intr_enable(&pci_dev->intr_handle);
1399
1400         /* configure and enable device interrupt */
1401         iavf_enable_irq0(hw);
1402
1403         ret = iavf_flow_init(adapter);
1404         if (ret) {
1405                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
1406                 return ret;
1407         }
1408
1409         return 0;
1410 }
1411
1412 static void
1413 iavf_dev_close(struct rte_eth_dev *dev)
1414 {
1415         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1416         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1417         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1418         struct iavf_adapter *adapter =
1419                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1420
1421         iavf_dev_stop(dev);
1422         iavf_flow_flush(dev, NULL);
1423         iavf_flow_uninit(adapter);
1424         iavf_shutdown_adminq(hw);
1425         /* disable uio intr before callback unregister */
1426         rte_intr_disable(intr_handle);
1427
1428         /* unregister callback func from eal lib */
1429         rte_intr_callback_unregister(intr_handle,
1430                                      iavf_dev_interrupt_handler, dev);
1431         iavf_disable_irq0(hw);
1432 }
1433
1434 static int
1435 iavf_dev_uninit(struct rte_eth_dev *dev)
1436 {
1437         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1438
1439         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1440                 return -EPERM;
1441
1442         dev->dev_ops = NULL;
1443         dev->rx_pkt_burst = NULL;
1444         dev->tx_pkt_burst = NULL;
1445         iavf_dev_close(dev);
1446
1447         rte_free(vf->vf_res);
1448         vf->vsi_res = NULL;
1449         vf->vf_res = NULL;
1450
1451         rte_free(vf->aq_resp);
1452         vf->aq_resp = NULL;
1453
1454         if (vf->rss_lut) {
1455                 rte_free(vf->rss_lut);
1456                 vf->rss_lut = NULL;
1457         }
1458         if (vf->rss_key) {
1459                 rte_free(vf->rss_key);
1460                 vf->rss_key = NULL;
1461         }
1462
1463         return 0;
1464 }
1465
1466 /*
1467  * Reset VF device only to re-initialize resources in PMD layer
1468  */
1469 static int
1470 iavf_dev_reset(struct rte_eth_dev *dev)
1471 {
1472         int ret;
1473
1474         ret = iavf_dev_uninit(dev);
1475         if (ret)
1476                 return ret;
1477
1478         return iavf_dev_init(dev);
1479 }
1480
1481 static int
1482 iavf_dcf_cap_check_handler(__rte_unused const char *key,
1483                            const char *value, __rte_unused void *opaque)
1484 {
1485         if (strcmp(value, "dcf"))
1486                 return -1;
1487
1488         return 0;
1489 }
1490
1491 static int
1492 iavf_dcf_cap_selected(struct rte_devargs *devargs)
1493 {
1494         struct rte_kvargs *kvlist;
1495         const char *key = "cap";
1496         int ret = 0;
1497
1498         if (devargs == NULL)
1499                 return 0;
1500
1501         kvlist = rte_kvargs_parse(devargs->args, NULL);
1502         if (kvlist == NULL)
1503                 return 0;
1504
1505         if (!rte_kvargs_count(kvlist, key))
1506                 goto exit;
1507
1508         /* dcf capability selected when there's a key-value pair: cap=dcf */
1509         if (rte_kvargs_process(kvlist, key,
1510                                iavf_dcf_cap_check_handler, NULL) < 0)
1511                 goto exit;
1512
1513         ret = 1;
1514
1515 exit:
1516         rte_kvargs_free(kvlist);
1517         return ret;
1518 }
1519
1520 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1521                              struct rte_pci_device *pci_dev)
1522 {
1523         if (iavf_dcf_cap_selected(pci_dev->device.devargs))
1524                 return 1;
1525
1526         return rte_eth_dev_pci_generic_probe(pci_dev,
1527                 sizeof(struct iavf_adapter), iavf_dev_init);
1528 }
1529
1530 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1531 {
1532         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1533 }
1534
1535 /* Adaptive virtual function driver struct */
1536 static struct rte_pci_driver rte_iavf_pmd = {
1537         .id_table = pci_id_iavf_map,
1538         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1539         .probe = eth_iavf_pci_probe,
1540         .remove = eth_iavf_pci_remove,
1541 };
1542
1543 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1544 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1545 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1546 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
1547 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
1548 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
1549 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1550 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
1551 #endif
1552 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1553 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
1554 #endif
1555 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1556 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG);
1557 #endif