drivers/net/avf/avf_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 "avf_log.h"
  29 #include "base/avf_prototype.h"
  30 #include "base/avf_adminq_cmd.h"
  31 #include "base/avf_type.h"
  32
  33 #include "avf.h"
  34 #include "avf_rxtx.h"
  35
  36 static int avf_dev_configure(struct rte_eth_dev *dev);
  37 static int avf_dev_start(struct rte_eth_dev *dev);
  38 static void avf_dev_stop(struct rte_eth_dev *dev);
  39 static void avf_dev_close(struct rte_eth_dev *dev);
  40 static void avf_dev_info_get(struct rte_eth_dev *dev,
  41                              struct rte_eth_dev_info *dev_info);
  42 static const uint32_t *avf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
  43 static int avf_dev_stats_get(struct rte_eth_dev *dev,
  44                              struct rte_eth_stats *stats);
  45 static void avf_dev_promiscuous_enable(struct rte_eth_dev *dev);
  46 static void avf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  47 static void avf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  48 static void avf_dev_allmulticast_disable(struct rte_eth_dev *dev);
  49 static int avf_dev_add_mac_addr(struct rte_eth_dev *dev,
  50                                 struct ether_addr *addr,
  51                                 uint32_t index,
  52                                 uint32_t pool);
  53 static void avf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
  54 static int avf_dev_vlan_filter_set(struct rte_eth_dev *dev,
  55                                    uint16_t vlan_id, int on);
  56 static int avf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  57 static int avf_dev_rss_reta_update(struct rte_eth_dev *dev,
  58                                    struct rte_eth_rss_reta_entry64 *reta_conf,
  59                                    uint16_t reta_size);
  60 static int avf_dev_rss_reta_query(struct rte_eth_dev *dev,
  61                                   struct rte_eth_rss_reta_entry64 *reta_conf,
  62                                   uint16_t reta_size);
  63 static int avf_dev_rss_hash_update(struct rte_eth_dev *dev,
  64                                    struct rte_eth_rss_conf *rss_conf);
  65 static int avf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
  66                                      struct rte_eth_rss_conf *rss_conf);
  67 static int avf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  68 static void avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
  69                                          struct ether_addr *mac_addr);
  70 static int avf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
  71                                         uint16_t queue_id);
  72 static int avf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
  73                                          uint16_t queue_id);
  74
  75 int avf_logtype_init;
  76 int avf_logtype_driver;
  77
  78 static const struct rte_pci_id pci_id_avf_map[] = {
  79         { RTE_PCI_DEVICE(AVF_INTEL_VENDOR_ID, AVF_DEV_ID_ADAPTIVE_VF) },
  80         { .vendor_id = 0, /* sentinel */ },
  81 };
  82
  83 static const struct eth_dev_ops avf_eth_dev_ops = {
  84         .dev_configure              = avf_dev_configure,
  85         .dev_start                  = avf_dev_start,
  86         .dev_stop                   = avf_dev_stop,
  87         .dev_close                  = avf_dev_close,
  88         .dev_infos_get              = avf_dev_info_get,
  89         .dev_supported_ptypes_get   = avf_dev_supported_ptypes_get,
  90         .link_update                = avf_dev_link_update,
  91         .stats_get                  = avf_dev_stats_get,
  92         .promiscuous_enable         = avf_dev_promiscuous_enable,
  93         .promiscuous_disable        = avf_dev_promiscuous_disable,
  94         .allmulticast_enable        = avf_dev_allmulticast_enable,
  95         .allmulticast_disable       = avf_dev_allmulticast_disable,
  96         .mac_addr_add               = avf_dev_add_mac_addr,
  97         .mac_addr_remove            = avf_dev_del_mac_addr,
  98         .vlan_filter_set            = avf_dev_vlan_filter_set,
  99         .vlan_offload_set           = avf_dev_vlan_offload_set,
 100         .rx_queue_start             = avf_dev_rx_queue_start,
 101         .rx_queue_stop              = avf_dev_rx_queue_stop,
 102         .tx_queue_start             = avf_dev_tx_queue_start,
 103         .tx_queue_stop              = avf_dev_tx_queue_stop,
 104         .rx_queue_setup             = avf_dev_rx_queue_setup,
 105         .rx_queue_release           = avf_dev_rx_queue_release,
 106         .tx_queue_setup             = avf_dev_tx_queue_setup,
 107         .tx_queue_release           = avf_dev_tx_queue_release,
 108         .mac_addr_set               = avf_dev_set_default_mac_addr,
 109         .reta_update                = avf_dev_rss_reta_update,
 110         .reta_query                 = avf_dev_rss_reta_query,
 111         .rss_hash_update            = avf_dev_rss_hash_update,
 112         .rss_hash_conf_get          = avf_dev_rss_hash_conf_get,
 113         .rxq_info_get               = avf_dev_rxq_info_get,
 114         .txq_info_get               = avf_dev_txq_info_get,
 115         .rx_queue_count             = avf_dev_rxq_count,
 116         .rx_descriptor_status       = avf_dev_rx_desc_status,
 117         .tx_descriptor_status       = avf_dev_tx_desc_status,
 118         .mtu_set                    = avf_dev_mtu_set,
 119         .rx_queue_intr_enable       = avf_dev_rx_queue_intr_enable,
 120         .rx_queue_intr_disable      = avf_dev_rx_queue_intr_disable,
 121 };
 122
 123 static int
 124 avf_dev_configure(struct rte_eth_dev *dev)
 125 {
 126         struct avf_adapter *ad =
 127                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 128         struct avf_info *vf =  AVF_DEV_PRIVATE_TO_VF(ad);
 129         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 130
 131         ad->rx_bulk_alloc_allowed = true;
 132 #ifdef RTE_LIBRTE_AVF_INC_VECTOR
 133         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 134          * vector Rx/Tx preconditions, it will be reset.
 135          */
 136         ad->rx_vec_allowed = true;
 137         ad->tx_vec_allowed = true;
 138 #else
 139         ad->rx_vec_allowed = false;
 140         ad->tx_vec_allowed = false;
 141 #endif
 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                         avf_enable_vlan_strip(ad);
 147                 else
 148                         avf_disable_vlan_strip(ad);
 149         }
 150         return 0;
 151 }
 152
 153 static int
 154 avf_init_rss(struct avf_adapter *adapter)
 155 {
 156         struct avf_info *vf =  AVF_DEV_PRIVATE_TO_VF(adapter);
 157         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
 158         struct rte_eth_rss_conf *rss_conf;
 159         uint8_t i, j, nb_q;
 160         int ret;
 161
 162         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 163         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 164                        AVF_MAX_NUM_QUEUES);
 165
 166         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 167                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 168                 return -ENOTSUP;
 169         }
 170         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 171                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 172                 /* set all lut items to default queue */
 173                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 174                         vf->rss_lut[i] = 0;
 175                 ret = avf_configure_rss_lut(adapter);
 176                 return ret;
 177         }
 178
 179         /* In AVF, RSS enablement is set by PF driver. It is not supported
 180          * to set based on rss_conf->rss_hf.
 181          */
 182
 183         /* configure RSS key */
 184         if (!rss_conf->rss_key) {
 185                 /* Calculate the default hash key */
 186                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 187                         vf->rss_key[i] = (uint8_t)rte_rand();
 188         } else
 189                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 190                            RTE_MIN(rss_conf->rss_key_len,
 191                                    vf->vf_res->rss_key_size));
 192
 193         /* init RSS LUT table */
 194         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 195                 if (j >= nb_q)
 196                         j = 0;
 197                 vf->rss_lut[i] = j;
 198         }
 199         /* send virtchnnl ops to configure rss*/
 200         ret = avf_configure_rss_lut(adapter);
 201         if (ret)
 202                 return ret;
 203         ret = avf_configure_rss_key(adapter);
 204         if (ret)
 205                 return ret;
 206
 207         return 0;
 208 }
 209
 210 static int
 211 avf_init_rxq(struct rte_eth_dev *dev, struct avf_rx_queue *rxq)
 212 {
 213         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 214         struct rte_eth_dev_data *dev_data = dev->data;
 215         uint16_t buf_size, max_pkt_len, len;
 216
 217         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 218
 219         /* Calculate the maximum packet length allowed */
 220         len = rxq->rx_buf_len * AVF_MAX_CHAINED_RX_BUFFERS;
 221         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 222
 223         /* Check if the jumbo frame and maximum packet length are set
 224          * correctly.
 225          */
 226         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 227                 if (max_pkt_len <= ETHER_MAX_LEN ||
 228                     max_pkt_len > AVF_FRAME_SIZE_MAX) {
 229                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 230                                     "larger than %u and smaller than %u, "
 231                                     "as jumbo frame is enabled",
 232                                     (uint32_t)ETHER_MAX_LEN,
 233                                     (uint32_t)AVF_FRAME_SIZE_MAX);
 234                         return -EINVAL;
 235                 }
 236         } else {
 237                 if (max_pkt_len < ETHER_MIN_LEN ||
 238                     max_pkt_len > ETHER_MAX_LEN) {
 239                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 240                                     "larger than %u and smaller than %u, "
 241                                     "as jumbo frame is disabled",
 242                                     (uint32_t)ETHER_MIN_LEN,
 243                                     (uint32_t)ETHER_MAX_LEN);
 244                         return -EINVAL;
 245                 }
 246         }
 247
 248         rxq->max_pkt_len = max_pkt_len;
 249         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 250             (rxq->max_pkt_len + 2 * AVF_VLAN_TAG_SIZE) > buf_size) {
 251                 dev_data->scattered_rx = 1;
 252         }
 253         AVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 254         AVF_WRITE_FLUSH(hw);
 255
 256         return 0;
 257 }
 258
 259 static int
 260 avf_init_queues(struct rte_eth_dev *dev)
 261 {
 262         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 263         struct avf_rx_queue **rxq =
 264                 (struct avf_rx_queue **)dev->data->rx_queues;
 265         struct avf_tx_queue **txq =
 266                 (struct avf_tx_queue **)dev->data->tx_queues;
 267         int i, ret = AVF_SUCCESS;
 268
 269         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 270                 if (!rxq[i] || !rxq[i]->q_set)
 271                         continue;
 272                 ret = avf_init_rxq(dev, rxq[i]);
 273                 if (ret != AVF_SUCCESS)
 274                         break;
 275         }
 276         /* set rx/tx function to vector/scatter/single-segment
 277          * according to parameters
 278          */
 279         avf_set_rx_function(dev);
 280         avf_set_tx_function(dev);
 281
 282         return ret;
 283 }
 284
 285 static int avf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 286                                      struct rte_intr_handle *intr_handle)
 287 {
 288         struct avf_adapter *adapter =
 289                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 290         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 291         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
 292         uint16_t interval, i;
 293         int vec;
 294
 295         if (rte_intr_cap_multiple(intr_handle) &&
 296             dev->data->dev_conf.intr_conf.rxq) {
 297                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 298                         return -1;
 299         }
 300
 301         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 302                 intr_handle->intr_vec =
 303                         rte_zmalloc("intr_vec",
 304                                     dev->data->nb_rx_queues * sizeof(int), 0);
 305                 if (!intr_handle->intr_vec) {
 306                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 307                                     dev->data->nb_rx_queues);
 308                         return -1;
 309                 }
 310         }
 311
 312         if (!dev->data->dev_conf.intr_conf.rxq ||
 313             !rte_intr_dp_is_en(intr_handle)) {
 314                 /* Rx interrupt disabled, Map interrupt only for writeback */
 315                 vf->nb_msix = 1;
 316                 if (vf->vf_res->vf_cap_flags &
 317                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 318                         /* If WB_ON_ITR supports, enable it */
 319                         vf->msix_base = AVF_RX_VEC_START;
 320                         AVF_WRITE_REG(hw, AVFINT_DYN_CTLN1(vf->msix_base - 1),
 321                                       AVFINT_DYN_CTLN1_ITR_INDX_MASK |
 322                                       AVFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 323                 } else {
 324                         /* If no WB_ON_ITR offload flags, need to set
 325                          * interrupt for descriptor write back.
 326                          */
 327                         vf->msix_base = AVF_MISC_VEC_ID;
 328
 329                         /* set ITR to max */
 330                         interval = avf_calc_itr_interval(
 331                                         AVF_QUEUE_ITR_INTERVAL_MAX);
 332                         AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
 333                                       AVFINT_DYN_CTL01_INTENA_MASK |
 334                                       (AVF_ITR_INDEX_DEFAULT <<
 335                                        AVFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 336                                       (interval <<
 337                                        AVFINT_DYN_CTL01_INTERVAL_SHIFT));
 338                 }
 339                 AVF_WRITE_FLUSH(hw);
 340                 /* map all queues to the same interrupt */
 341                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 342                         vf->rxq_map[0] |= 1 << i;
 343         } else {
 344                 if (!rte_intr_allow_others(intr_handle)) {
 345                         vf->nb_msix = 1;
 346                         vf->msix_base = AVF_MISC_VEC_ID;
 347                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 348                                 vf->rxq_map[0] |= 1 << i;
 349                                 intr_handle->intr_vec[i] = AVF_MISC_VEC_ID;
 350                         }
 351                         PMD_DRV_LOG(DEBUG,
 352                                     "vector 0 are mapping to all Rx queues");
 353                 } else {
 354                         /* If Rx interrupt is reuquired, and we can use
 355                          * multi interrupts, then the vec is from 1
 356                          */
 357                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 358                                               intr_handle->nb_efd);
 359                         vf->msix_base = AVF_RX_VEC_START;
 360                         vec = AVF_RX_VEC_START;
 361                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 362                                 vf->rxq_map[vec] |= 1 << i;
 363                                 intr_handle->intr_vec[i] = vec++;
 364                                 if (vec >= vf->nb_msix)
 365                                         vec = AVF_RX_VEC_START;
 366                         }
 367                         PMD_DRV_LOG(DEBUG,
 368                                     "%u vectors are mapping to %u Rx queues",
 369                                     vf->nb_msix, dev->data->nb_rx_queues);
 370                 }
 371         }
 372
 373         if (avf_config_irq_map(adapter)) {
 374                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 375                 return -1;
 376         }
 377         return 0;
 378 }
 379
 380 static int
 381 avf_start_queues(struct rte_eth_dev *dev)
 382 {
 383         struct avf_rx_queue *rxq;
 384         struct avf_tx_queue *txq;
 385         int i;
 386
 387         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 388                 txq = dev->data->tx_queues[i];
 389                 if (txq->tx_deferred_start)
 390                         continue;
 391                 if (avf_dev_tx_queue_start(dev, i) != 0) {
 392                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 393                         return -1;
 394                 }
 395         }
 396
 397         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 398                 rxq = dev->data->rx_queues[i];
 399                 if (rxq->rx_deferred_start)
 400                         continue;
 401                 if (avf_dev_rx_queue_start(dev, i) != 0) {
 402                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 403                         return -1;
 404                 }
 405         }
 406
 407         return 0;
 408 }
 409
 410 static int
 411 avf_dev_start(struct rte_eth_dev *dev)
 412 {
 413         struct avf_adapter *adapter =
 414                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 415         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 416         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 417         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 418         struct rte_intr_handle *intr_handle = dev->intr_handle;
 419
 420         PMD_INIT_FUNC_TRACE();
 421
 422         hw->adapter_stopped = 0;
 423
 424         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 425         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 426                                       dev->data->nb_tx_queues);
 427
 428         if (avf_init_queues(dev) != 0) {
 429                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 430                 return -1;
 431         }
 432
 433         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 434                 if (avf_init_rss(adapter) != 0) {
 435                         PMD_DRV_LOG(ERR, "configure rss failed");
 436                         goto err_rss;
 437                 }
 438         }
 439
 440         if (avf_configure_queues(adapter) != 0) {
 441                 PMD_DRV_LOG(ERR, "configure queues failed");
 442                 goto err_queue;
 443         }
 444
 445         if (avf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 446                 PMD_DRV_LOG(ERR, "configure irq failed");
 447                 goto err_queue;
 448         }
 449         /* re-enable intr again, because efd assign may change */
 450         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 451                 rte_intr_disable(intr_handle);
 452                 rte_intr_enable(intr_handle);
 453         }
 454
 455         /* Set all mac addrs */
 456         avf_add_del_all_mac_addr(adapter, TRUE);
 457
 458         if (avf_start_queues(dev) != 0) {
 459                 PMD_DRV_LOG(ERR, "enable queues failed");
 460                 goto err_mac;
 461         }
 462
 463         return 0;
 464
 465 err_mac:
 466         avf_add_del_all_mac_addr(adapter, FALSE);
 467 err_queue:
 468 err_rss:
 469         return -1;
 470 }
 471
 472 static void
 473 avf_dev_stop(struct rte_eth_dev *dev)
 474 {
 475         struct avf_adapter *adapter =
 476                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 477         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev);
 478         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 479         struct rte_intr_handle *intr_handle = dev->intr_handle;
 480         int ret, i;
 481
 482         PMD_INIT_FUNC_TRACE();
 483
 484         if (hw->adapter_stopped == 1)
 485                 return;
 486
 487         avf_stop_queues(dev);
 488
 489         /* Disable the interrupt for Rx */
 490         rte_intr_efd_disable(intr_handle);
 491         /* Rx interrupt vector mapping free */
 492         if (intr_handle->intr_vec) {
 493                 rte_free(intr_handle->intr_vec);
 494                 intr_handle->intr_vec = NULL;
 495         }
 496
 497         /* remove all mac addrs */
 498         avf_add_del_all_mac_addr(adapter, FALSE);
 499         hw->adapter_stopped = 1;
 500 }
 501
 502 static void
 503 avf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 504 {
 505         struct avf_adapter *adapter =
 506                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 507         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 508
 509         memset(dev_info, 0, sizeof(*dev_info));
 510         dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 511         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 512         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 513         dev_info->min_rx_bufsize = AVF_BUF_SIZE_MIN;
 514         dev_info->max_rx_pktlen = AVF_FRAME_SIZE_MAX;
 515         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 516         dev_info->reta_size = vf->vf_res->rss_lut_size;
 517         dev_info->flow_type_rss_offloads = AVF_RSS_OFFLOAD_ALL;
 518         dev_info->max_mac_addrs = AVF_NUM_MACADDR_MAX;
 519         dev_info->rx_offload_capa =
 520                 DEV_RX_OFFLOAD_VLAN_STRIP |
 521                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 522                 DEV_RX_OFFLOAD_UDP_CKSUM |
 523                 DEV_RX_OFFLOAD_TCP_CKSUM;
 524         dev_info->tx_offload_capa =
 525                 DEV_TX_OFFLOAD_VLAN_INSERT |
 526                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 527                 DEV_TX_OFFLOAD_UDP_CKSUM |
 528                 DEV_TX_OFFLOAD_TCP_CKSUM |
 529                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 530                 DEV_TX_OFFLOAD_TCP_TSO;
 531
 532         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 533                 .rx_free_thresh = AVF_DEFAULT_RX_FREE_THRESH,
 534                 .rx_drop_en = 0,
 535         };
 536
 537         dev_info->default_txconf = (struct rte_eth_txconf) {
 538                 .tx_free_thresh = AVF_DEFAULT_TX_FREE_THRESH,
 539                 .tx_rs_thresh = AVF_DEFAULT_TX_RS_THRESH,
 540                 .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
 541                                 ETH_TXQ_FLAGS_NOOFFLOADS,
 542         };
 543
 544         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 545                 .nb_max = AVF_MAX_RING_DESC,
 546                 .nb_min = AVF_MIN_RING_DESC,
 547                 .nb_align = AVF_ALIGN_RING_DESC,
 548         };
 549
 550         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 551                 .nb_max = AVF_MAX_RING_DESC,
 552                 .nb_min = AVF_MIN_RING_DESC,
 553                 .nb_align = AVF_ALIGN_RING_DESC,
 554         };
 555 }
 556
 557 static const uint32_t *
 558 avf_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 559 {
 560         static const uint32_t ptypes[] = {
 561                 RTE_PTYPE_L2_ETHER,
 562                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 563                 RTE_PTYPE_L4_FRAG,
 564                 RTE_PTYPE_L4_ICMP,
 565                 RTE_PTYPE_L4_NONFRAG,
 566                 RTE_PTYPE_L4_SCTP,
 567                 RTE_PTYPE_L4_TCP,
 568                 RTE_PTYPE_L4_UDP,
 569                 RTE_PTYPE_UNKNOWN
 570         };
 571         return ptypes;
 572 }
 573
 574 int
 575 avf_dev_link_update(struct rte_eth_dev *dev,
 576                     __rte_unused int wait_to_complete)
 577 {
 578         struct rte_eth_link new_link;
 579         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 580
 581         /* Only read status info stored in VF, and the info is updated
 582          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 583          */
 584         switch (vf->link_speed) {
 585         case VIRTCHNL_LINK_SPEED_100MB:
 586                 new_link.link_speed = ETH_SPEED_NUM_100M;
 587                 break;
 588         case VIRTCHNL_LINK_SPEED_1GB:
 589                 new_link.link_speed = ETH_SPEED_NUM_1G;
 590                 break;
 591         case VIRTCHNL_LINK_SPEED_10GB:
 592                 new_link.link_speed = ETH_SPEED_NUM_10G;
 593                 break;
 594         case VIRTCHNL_LINK_SPEED_20GB:
 595                 new_link.link_speed = ETH_SPEED_NUM_20G;
 596                 break;
 597         case VIRTCHNL_LINK_SPEED_25GB:
 598                 new_link.link_speed = ETH_SPEED_NUM_25G;
 599                 break;
 600         case VIRTCHNL_LINK_SPEED_40GB:
 601                 new_link.link_speed = ETH_SPEED_NUM_40G;
 602                 break;
 603         default:
 604                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 605                 break;
 606         }
 607
 608         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 609         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 610                                              ETH_LINK_DOWN;
 611         new_link.link_autoneg = !!(dev->data->dev_conf.link_speeds &
 612                                 ETH_LINK_SPEED_FIXED);
 613
 614         if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 615                                 *(uint64_t *)&dev->data->dev_link,
 616                                 *(uint64_t *)&new_link) == 0)
 617                 return -1;
 618
 619         return 0;
 620 }
 621
 622 static void
 623 avf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 624 {
 625         struct avf_adapter *adapter =
 626                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 627         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 628         int ret;
 629
 630         if (vf->promisc_unicast_enabled)
 631                 return;
 632
 633         ret = avf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
 634         if (!ret)
 635                 vf->promisc_unicast_enabled = TRUE;
 636 }
 637
 638 static void
 639 avf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 640 {
 641         struct avf_adapter *adapter =
 642                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 643         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 644         int ret;
 645
 646         if (!vf->promisc_unicast_enabled)
 647                 return;
 648
 649         ret = avf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
 650         if (!ret)
 651                 vf->promisc_unicast_enabled = FALSE;
 652 }
 653
 654 static void
 655 avf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 656 {
 657         struct avf_adapter *adapter =
 658                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 659         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 660         int ret;
 661
 662         if (vf->promisc_multicast_enabled)
 663                 return;
 664
 665         ret = avf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
 666         if (!ret)
 667                 vf->promisc_multicast_enabled = TRUE;
 668 }
 669
 670 static void
 671 avf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 672 {
 673         struct avf_adapter *adapter =
 674                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 675         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 676         int ret;
 677
 678         if (!vf->promisc_multicast_enabled)
 679                 return;
 680
 681         ret = avf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
 682         if (!ret)
 683                 vf->promisc_multicast_enabled = FALSE;
 684 }
 685
 686 static int
 687 avf_dev_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr,
 688                      __rte_unused uint32_t index,
 689                      __rte_unused uint32_t pool)
 690 {
 691         struct avf_adapter *adapter =
 692                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 693         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 694         int err;
 695
 696         if (is_zero_ether_addr(addr)) {
 697                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 698                 return -EINVAL;
 699         }
 700
 701         err = avf_add_del_eth_addr(adapter, addr, TRUE);
 702         if (err) {
 703                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 704                 return -EIO;
 705         }
 706
 707         vf->mac_num++;
 708
 709         return 0;
 710 }
 711
 712 static void
 713 avf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 714 {
 715         struct avf_adapter *adapter =
 716                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 717         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 718         struct ether_addr *addr;
 719         int err;
 720
 721         addr = &dev->data->mac_addrs[index];
 722
 723         err = avf_add_del_eth_addr(adapter, addr, FALSE);
 724         if (err)
 725                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 726
 727         vf->mac_num--;
 728 }
 729
 730 static int
 731 avf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 732 {
 733         struct avf_adapter *adapter =
 734                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 735         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 736         int err;
 737
 738         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 739                 return -ENOTSUP;
 740
 741         err = avf_add_del_vlan(adapter, vlan_id, on);
 742         if (err)
 743                 return -EIO;
 744         return 0;
 745 }
 746
 747 static int
 748 avf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 749 {
 750         struct avf_adapter *adapter =
 751                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 752         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 753         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 754         int err;
 755
 756         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 757                 return -ENOTSUP;
 758
 759         /* Vlan stripping setting */
 760         if (mask & ETH_VLAN_STRIP_MASK) {
 761                 /* Enable or disable VLAN stripping */
 762                 if (dev_conf->rxmode.hw_vlan_strip)
 763                         err = avf_enable_vlan_strip(adapter);
 764                 else
 765                         err = avf_disable_vlan_strip(adapter);
 766
 767                 if (err)
 768                         return -EIO;
 769         }
 770         return 0;
 771 }
 772
 773 static int
 774 avf_dev_rss_reta_update(struct rte_eth_dev *dev,
 775                         struct rte_eth_rss_reta_entry64 *reta_conf,
 776                         uint16_t reta_size)
 777 {
 778         struct avf_adapter *adapter =
 779                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 780         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 781         uint8_t *lut;
 782         uint16_t i, idx, shift;
 783         int ret;
 784
 785         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 786                 return -ENOTSUP;
 787
 788         if (reta_size != vf->vf_res->rss_lut_size) {
 789                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 790                         "(%d) doesn't match the number of hardware can "
 791                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 792                 return -EINVAL;
 793         }
 794
 795         lut = rte_zmalloc("rss_lut", reta_size, 0);
 796         if (!lut) {
 797                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 798                 return -ENOMEM;
 799         }
 800         /* store the old lut table temporarily */
 801         rte_memcpy(lut, vf->rss_lut, reta_size);
 802
 803         for (i = 0; i < reta_size; i++) {
 804                 idx = i / RTE_RETA_GROUP_SIZE;
 805                 shift = i % RTE_RETA_GROUP_SIZE;
 806                 if (reta_conf[idx].mask & (1ULL << shift))
 807                         lut[i] = reta_conf[idx].reta[shift];
 808         }
 809
 810         rte_memcpy(vf->rss_lut, lut, reta_size);
 811         /* send virtchnnl ops to configure rss*/
 812         ret = avf_configure_rss_lut(adapter);
 813         if (ret) /* revert back */
 814                 rte_memcpy(vf->rss_lut, lut, reta_size);
 815         rte_free(lut);
 816
 817         return ret;
 818 }
 819
 820 static int
 821 avf_dev_rss_reta_query(struct rte_eth_dev *dev,
 822                        struct rte_eth_rss_reta_entry64 *reta_conf,
 823                        uint16_t reta_size)
 824 {
 825         struct avf_adapter *adapter =
 826                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 827         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 828         uint16_t i, idx, shift;
 829
 830         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 831                 return -ENOTSUP;
 832
 833         if (reta_size != vf->vf_res->rss_lut_size) {
 834                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 835                         "(%d) doesn't match the number of hardware can "
 836                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 837                 return -EINVAL;
 838         }
 839
 840         for (i = 0; i < reta_size; i++) {
 841                 idx = i / RTE_RETA_GROUP_SIZE;
 842                 shift = i % RTE_RETA_GROUP_SIZE;
 843                 if (reta_conf[idx].mask & (1ULL << shift))
 844                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 845         }
 846
 847         return 0;
 848 }
 849
 850 static int
 851 avf_dev_rss_hash_update(struct rte_eth_dev *dev,
 852                         struct rte_eth_rss_conf *rss_conf)
 853 {
 854         struct avf_adapter *adapter =
 855                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 856         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 857
 858         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 859                 return -ENOTSUP;
 860
 861         /* HENA setting, it is enabled by default, no change */
 862         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 863                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 864                 return 0;
 865         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 866                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 867                         "(%d) doesn't match the size of hardware can "
 868                         "support (%d)", rss_conf->rss_key_len,
 869                         vf->vf_res->rss_key_size);
 870                 return -EINVAL;
 871         }
 872
 873         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 874
 875         return avf_configure_rss_key(adapter);
 876 }
 877
 878 static int
 879 avf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 880                           struct rte_eth_rss_conf *rss_conf)
 881 {
 882         struct avf_adapter *adapter =
 883                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 884         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 885
 886         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 887                 return -ENOTSUP;
 888
 889          /* Just set it to default value now. */
 890         rss_conf->rss_hf = AVF_RSS_OFFLOAD_ALL;
 891
 892         if (!rss_conf->rss_key)
 893                 return 0;
 894
 895         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 896         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 897
 898         return 0;
 899 }
 900
 901 static int
 902 avf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 903 {
 904         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 905         uint32_t frame_size = mtu + AVF_ETH_OVERHEAD;
 906         int ret = 0;
 907
 908         if (mtu < ETHER_MIN_MTU || frame_size > AVF_FRAME_SIZE_MAX)
 909                 return -EINVAL;
 910
 911         /* mtu setting is forbidden if port is start */
 912         if (dev->data->dev_started) {
 913                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 914                 return -EBUSY;
 915         }
 916
 917         if (frame_size > ETHER_MAX_LEN)
 918                 dev->data->dev_conf.rxmode.offloads |=
 919                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 920         else
 921                 dev->data->dev_conf.rxmode.offloads &=
 922                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 923
 924         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 925
 926         return ret;
 927 }
 928
 929 static void
 930 avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 931                              struct ether_addr *mac_addr)
 932 {
 933         struct avf_adapter *adapter =
 934                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 935         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
 936         struct ether_addr *perm_addr, *old_addr;
 937         int ret;
 938
 939         old_addr = (struct ether_addr *)hw->mac.addr;
 940         perm_addr = (struct ether_addr *)hw->mac.perm_addr;
 941
 942         if (is_same_ether_addr(mac_addr, old_addr))
 943                 return;
 944
 945         /* If the MAC address is configured by host, skip the setting */
 946         if (is_valid_assigned_ether_addr(perm_addr))
 947                 return;
 948
 949         ret = avf_add_del_eth_addr(adapter, old_addr, FALSE);
 950         if (ret)
 951                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 952                             " %02X:%02X:%02X:%02X:%02X:%02X",
 953                             old_addr->addr_bytes[0],
 954                             old_addr->addr_bytes[1],
 955                             old_addr->addr_bytes[2],
 956                             old_addr->addr_bytes[3],
 957                             old_addr->addr_bytes[4],
 958                             old_addr->addr_bytes[5]);
 959
 960         ret = avf_add_del_eth_addr(adapter, mac_addr, TRUE);
 961         if (ret)
 962                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
 963                             " %02X:%02X:%02X:%02X:%02X:%02X",
 964                             mac_addr->addr_bytes[0],
 965                             mac_addr->addr_bytes[1],
 966                             mac_addr->addr_bytes[2],
 967                             mac_addr->addr_bytes[3],
 968                             mac_addr->addr_bytes[4],
 969                             mac_addr->addr_bytes[5]);
 970
 971         ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
 972 }
 973
 974 static int
 975 avf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 976 {
 977         struct avf_adapter *adapter =
 978                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 979         struct virtchnl_eth_stats *pstats = NULL;
 980         int ret;
 981
 982         ret = avf_query_stats(adapter, &pstats);
 983         if (ret == 0) {
 984                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
 985                                                 pstats->rx_broadcast;
 986                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
 987                                                 pstats->tx_unicast;
 988                 stats->imissed = pstats->rx_discards;
 989                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
 990                 stats->ibytes = pstats->rx_bytes;
 991                 stats->obytes = pstats->tx_bytes;
 992         } else {
 993                 PMD_DRV_LOG(ERR, "Get statistics failed");
 994         }
 995         return -EIO;
 996 }
 997
 998 static int
 999 avf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1000 {
1001         struct avf_adapter *adapter =
1002                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1003         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1004         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
1005         uint16_t msix_intr;
1006
1007         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1008         if (msix_intr == AVF_MISC_VEC_ID) {
1009                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1010                 AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
1011                               AVFINT_DYN_CTL01_INTENA_MASK |
1012                               AVFINT_DYN_CTL01_ITR_INDX_MASK);
1013         } else {
1014                 AVF_WRITE_REG(hw,
1015                               AVFINT_DYN_CTLN1(msix_intr - AVF_RX_VEC_START),
1016                               AVFINT_DYN_CTLN1_INTENA_MASK |
1017                               AVFINT_DYN_CTLN1_ITR_INDX_MASK);
1018         }
1019
1020         AVF_WRITE_FLUSH(hw);
1021
1022         rte_intr_enable(&pci_dev->intr_handle);
1023
1024         return 0;
1025 }
1026
1027 static int
1028 avf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1029 {
1030         struct avf_adapter *adapter =
1031                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1032         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1033         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1034         uint16_t msix_intr;
1035
1036         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1037         if (msix_intr == AVF_MISC_VEC_ID) {
1038                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1039                 return -EIO;
1040         }
1041
1042         AVF_WRITE_REG(hw,
1043                       AVFINT_DYN_CTLN1(msix_intr - AVF_RX_VEC_START),
1044                       0);
1045
1046         AVF_WRITE_FLUSH(hw);
1047         return 0;
1048 }
1049
1050 static int
1051 avf_check_vf_reset_done(struct avf_hw *hw)
1052 {
1053         int i, reset;
1054
1055         for (i = 0; i < AVF_RESET_WAIT_CNT; i++) {
1056                 reset = AVF_READ_REG(hw, AVFGEN_RSTAT) &
1057                         AVFGEN_RSTAT_VFR_STATE_MASK;
1058                 reset = reset >> AVFGEN_RSTAT_VFR_STATE_SHIFT;
1059                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1060                     reset == VIRTCHNL_VFR_COMPLETED)
1061                         break;
1062                 rte_delay_ms(20);
1063         }
1064
1065         if (i >= AVF_RESET_WAIT_CNT)
1066                 return -1;
1067
1068         return 0;
1069 }
1070
1071 static int
1072 avf_init_vf(struct rte_eth_dev *dev)
1073 {
1074         int i, err, bufsz;
1075         struct avf_adapter *adapter =
1076                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1077         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1078         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1079
1080         err = avf_set_mac_type(hw);
1081         if (err) {
1082                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1083                 goto err;
1084         }
1085
1086         err = avf_check_vf_reset_done(hw);
1087         if (err) {
1088                 PMD_INIT_LOG(ERR, "VF is still resetting");
1089                 goto err;
1090         }
1091
1092         avf_init_adminq_parameter(hw);
1093         err = avf_init_adminq(hw);
1094         if (err) {
1095                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1096                 goto err;
1097         }
1098
1099         vf->aq_resp = rte_zmalloc("vf_aq_resp", AVF_AQ_BUF_SZ, 0);
1100         if (!vf->aq_resp) {
1101                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1102                 goto err_aq;
1103         }
1104         if (avf_check_api_version(adapter) != 0) {
1105                 PMD_INIT_LOG(ERR, "check_api version failed");
1106                 goto err_api;
1107         }
1108
1109         bufsz = sizeof(struct virtchnl_vf_resource) +
1110                 (AVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1111         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1112         if (!vf->vf_res) {
1113                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1114                 goto err_api;
1115         }
1116         if (avf_get_vf_resource(adapter) != 0) {
1117                 PMD_INIT_LOG(ERR, "avf_get_vf_config failed");
1118                 goto err_alloc;
1119         }
1120         /* Allocate memort for RSS info */
1121         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1122                 vf->rss_key = rte_zmalloc("rss_key",
1123                                           vf->vf_res->rss_key_size, 0);
1124                 if (!vf->rss_key) {
1125                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1126                         goto err_rss;
1127                 }
1128                 vf->rss_lut = rte_zmalloc("rss_lut",
1129                                           vf->vf_res->rss_lut_size, 0);
1130                 if (!vf->rss_lut) {
1131                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1132                         goto err_rss;
1133                 }
1134         }
1135         return 0;
1136 err_rss:
1137         rte_free(vf->rss_key);
1138         rte_free(vf->rss_lut);
1139 err_alloc:
1140         rte_free(vf->vf_res);
1141         vf->vsi_res = NULL;
1142 err_api:
1143         rte_free(vf->aq_resp);
1144 err_aq:
1145         avf_shutdown_adminq(hw);
1146 err:
1147         return -1;
1148 }
1149
1150 /* Enable default admin queue interrupt setting */
1151 static inline void
1152 avf_enable_irq0(struct avf_hw *hw)
1153 {
1154         /* Enable admin queue interrupt trigger */
1155         AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, AVFINT_ICR0_ENA1_ADMINQ_MASK);
1156
1157         AVF_WRITE_REG(hw, AVFINT_DYN_CTL01, AVFINT_DYN_CTL01_INTENA_MASK |
1158                                             AVFINT_DYN_CTL01_ITR_INDX_MASK);
1159
1160         AVF_WRITE_FLUSH(hw);
1161 }
1162
1163 static inline void
1164 avf_disable_irq0(struct avf_hw *hw)
1165 {
1166         /* Disable all interrupt types */
1167         AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, 0);
1168         AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
1169                       AVFINT_DYN_CTL01_ITR_INDX_MASK);
1170         AVF_WRITE_FLUSH(hw);
1171 }
1172
1173 static void
1174 avf_dev_interrupt_handler(void *param)
1175 {
1176         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1177         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1178
1179         avf_disable_irq0(hw);
1180
1181         avf_handle_virtchnl_msg(dev);
1182
1183 done:
1184         avf_enable_irq0(hw);
1185 }
1186
1187 static int
1188 avf_dev_init(struct rte_eth_dev *eth_dev)
1189 {
1190         struct avf_adapter *adapter =
1191                 AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1192         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
1193         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1194
1195         PMD_INIT_FUNC_TRACE();
1196
1197         /* assign ops func pointer */
1198         eth_dev->dev_ops = &avf_eth_dev_ops;
1199         eth_dev->rx_pkt_burst = &avf_recv_pkts;
1200         eth_dev->tx_pkt_burst = &avf_xmit_pkts;
1201         eth_dev->tx_pkt_prepare = &avf_prep_pkts;
1202
1203         /* For secondary processes, we don't initialise any further as primary
1204          * has already done this work. Only check if we need a different RX
1205          * and TX function.
1206          */
1207         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1208                 avf_set_rx_function(eth_dev);
1209                 avf_set_tx_function(eth_dev);
1210                 return 0;
1211         }
1212         rte_eth_copy_pci_info(eth_dev, pci_dev);
1213
1214         hw->vendor_id = pci_dev->id.vendor_id;
1215         hw->device_id = pci_dev->id.device_id;
1216         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1217         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1218         hw->bus.bus_id = pci_dev->addr.bus;
1219         hw->bus.device = pci_dev->addr.devid;
1220         hw->bus.func = pci_dev->addr.function;
1221         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1222         hw->back = AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1223         adapter->eth_dev = eth_dev;
1224
1225         if (avf_init_vf(eth_dev) != 0) {
1226                 PMD_INIT_LOG(ERR, "Init vf failed");
1227                 return -1;
1228         }
1229
1230         /* copy mac addr */
1231         eth_dev->data->mac_addrs = rte_zmalloc(
1232                                         "avf_mac",
1233                                         ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX,
1234                                         0);
1235         if (!eth_dev->data->mac_addrs) {
1236                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1237                              " store MAC addresses",
1238                              ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX);
1239                 return -ENOMEM;
1240         }
1241         /* If the MAC address is not configured by host,
1242          * generate a random one.
1243          */
1244         if (!is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1245                 eth_random_addr(hw->mac.addr);
1246         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1247                         &eth_dev->data->mac_addrs[0]);
1248
1249         /* register callback func to eal lib */
1250         rte_intr_callback_register(&pci_dev->intr_handle,
1251                                    avf_dev_interrupt_handler,
1252                                    (void *)eth_dev);
1253
1254         /* enable uio intr after callback register */
1255         rte_intr_enable(&pci_dev->intr_handle);
1256
1257         /* configure and enable device interrupt */
1258         avf_enable_irq0(hw);
1259
1260         return 0;
1261 }
1262
1263 static void
1264 avf_dev_close(struct rte_eth_dev *dev)
1265 {
1266         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1267         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1268         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1269
1270         avf_dev_stop(dev);
1271         avf_shutdown_adminq(hw);
1272         /* disable uio intr before callback unregister */
1273         rte_intr_disable(intr_handle);
1274
1275         /* unregister callback func from eal lib */
1276         rte_intr_callback_unregister(intr_handle,
1277                                      avf_dev_interrupt_handler, dev);
1278         avf_disable_irq0(hw);
1279 }
1280
1281 static int
1282 avf_dev_uninit(struct rte_eth_dev *dev)
1283 {
1284         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1285         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1286
1287         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1288                 return -EPERM;
1289
1290         dev->dev_ops = NULL;
1291         dev->rx_pkt_burst = NULL;
1292         dev->tx_pkt_burst = NULL;
1293         if (hw->adapter_stopped == 0)
1294                 avf_dev_close(dev);
1295
1296         rte_free(vf->vf_res);
1297         vf->vsi_res = NULL;
1298         vf->vf_res = NULL;
1299
1300         rte_free(vf->aq_resp);
1301         vf->aq_resp = NULL;
1302
1303         rte_free(dev->data->mac_addrs);
1304         dev->data->mac_addrs = NULL;
1305
1306         if (vf->rss_lut) {
1307                 rte_free(vf->rss_lut);
1308                 vf->rss_lut = NULL;
1309         }
1310         if (vf->rss_key) {
1311                 rte_free(vf->rss_key);
1312                 vf->rss_key = NULL;
1313         }
1314
1315         return 0;
1316 }
1317
1318 static int eth_avf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1319                              struct rte_pci_device *pci_dev)
1320 {
1321         return rte_eth_dev_pci_generic_probe(pci_dev,
1322                 sizeof(struct avf_adapter), avf_dev_init);
1323 }
1324
1325 static int eth_avf_pci_remove(struct rte_pci_device *pci_dev)
1326 {
1327         return rte_eth_dev_pci_generic_remove(pci_dev, avf_dev_uninit);
1328 }
1329
1330 /* Adaptive virtual function driver struct */
1331 static struct rte_pci_driver rte_avf_pmd = {
1332         .id_table = pci_id_avf_map,
1333         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
1334                      RTE_PCI_DRV_IOVA_AS_VA,
1335         .probe = eth_avf_pci_probe,
1336         .remove = eth_avf_pci_remove,
1337 };
1338
1339 RTE_PMD_REGISTER_PCI(net_avf, rte_avf_pmd);
1340 RTE_PMD_REGISTER_PCI_TABLE(net_avf, pci_id_avf_map);
1341 RTE_PMD_REGISTER_KMOD_DEP(net_avf, "* igb_uio | vfio-pci");
1342 RTE_INIT(avf_init_log);
1343 static void
1344 avf_init_log(void)
1345 {
1346         avf_logtype_init = rte_log_register("pmd.net.avf.init");
1347         if (avf_logtype_init >= 0)
1348                 rte_log_set_level(avf_logtype_init, RTE_LOG_NOTICE);
1349         avf_logtype_driver = rte_log_register("pmd.net.avf.driver");
1350         if (avf_logtype_driver >= 0)
1351                 rte_log_set_level(avf_logtype_driver, RTE_LOG_NOTICE);
1352 }
1353
1354 /* memory func for base code */
1355 enum avf_status_code
1356 avf_allocate_dma_mem_d(__rte_unused struct avf_hw *hw,
1357                        struct avf_dma_mem *mem,
1358                        u64 size,
1359                        u32 alignment)
1360 {
1361         const struct rte_memzone *mz = NULL;
1362         char z_name[RTE_MEMZONE_NAMESIZE];
1363
1364         if (!mem)
1365                 return AVF_ERR_PARAM;
1366
1367         snprintf(z_name, sizeof(z_name), "avf_dma_%"PRIu64, rte_rand());
1368         mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY, 0,
1369                                          alignment, RTE_PGSIZE_2M);
1370         if (!mz)
1371                 return AVF_ERR_NO_MEMORY;
1372
1373         mem->size = size;
1374         mem->va = mz->addr;
1375         mem->pa = mz->phys_addr;
1376         mem->zone = (const void *)mz;
1377         PMD_DRV_LOG(DEBUG,
1378                     "memzone %s allocated with physical address: %"PRIu64,
1379                     mz->name, mem->pa);
1380
1381         return AVF_SUCCESS;
1382 }
1383
1384 enum avf_status_code
1385 avf_free_dma_mem_d(__rte_unused struct avf_hw *hw,
1386                    struct avf_dma_mem *mem)
1387 {
1388         if (!mem)
1389                 return AVF_ERR_PARAM;
1390
1391         PMD_DRV_LOG(DEBUG,
1392                     "memzone %s to be freed with physical address: %"PRIu64,
1393                     ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1394         rte_memzone_free((const struct rte_memzone *)mem->zone);
1395         mem->zone = NULL;
1396         mem->va = NULL;
1397         mem->pa = (u64)0;
1398
1399         return AVF_SUCCESS;
1400 }
1401
1402 enum avf_status_code
1403 avf_allocate_virt_mem_d(__rte_unused struct avf_hw *hw,
1404                         struct avf_virt_mem *mem,
1405                         u32 size)
1406 {
1407         if (!mem)
1408                 return AVF_ERR_PARAM;
1409
1410         mem->size = size;
1411         mem->va = rte_zmalloc("avf", size, 0);
1412
1413         if (mem->va)
1414                 return AVF_SUCCESS;
1415         else
1416                 return AVF_ERR_NO_MEMORY;
1417 }
1418
1419 enum avf_status_code
1420 avf_free_virt_mem_d(__rte_unused struct avf_hw *hw,
1421                     struct avf_virt_mem *mem)
1422 {
1423         if (!mem)
1424                 return AVF_ERR_PARAM;
1425
1426         rte_free(mem->va);
1427         mem->va = NULL;
1428
1429         return AVF_SUCCESS;
1430 }