drivers/net/iavf/iavf_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13 #include <rte_byteorder.h>
  14 #include <rte_common.h>
  15
  16 #include <rte_interrupts.h>
  17 #include <rte_debug.h>
  18 #include <rte_pci.h>
  19 #include <rte_atomic.h>
  20 #include <rte_eal.h>
  21 #include <rte_ether.h>
  22 #include <rte_ethdev_driver.h>
  23 #include <rte_ethdev_pci.h>
  24 #include <rte_malloc.h>
  25 #include <rte_memzone.h>
  26 #include <rte_dev.h>
  27
  28 #include "iavf_log.h"
  29 #include "base/iavf_prototype.h"
  30 #include "base/iavf_adminq_cmd.h"
  31 #include "base/iavf_type.h"
  32
  33 #include "iavf.h"
  34 #include "iavf_rxtx.h"
  35
  36 static int iavf_dev_configure(struct rte_eth_dev *dev);
  37 static int iavf_dev_start(struct rte_eth_dev *dev);
  38 static void iavf_dev_stop(struct rte_eth_dev *dev);
  39 static void iavf_dev_close(struct rte_eth_dev *dev);
  40 static int iavf_dev_info_get(struct rte_eth_dev *dev,
  41                              struct rte_eth_dev_info *dev_info);
  42 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
  43 static int iavf_dev_stats_get(struct rte_eth_dev *dev,
  44                              struct rte_eth_stats *stats);
  45 static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
  46 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
  47 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
  48 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
  49 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
  50 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
  51                                 struct rte_ether_addr *addr,
  52                                 uint32_t index,
  53                                 uint32_t pool);
  54 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
  55 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
  56                                    uint16_t vlan_id, int on);
  57 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  58 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
  59                                    struct rte_eth_rss_reta_entry64 *reta_conf,
  60                                    uint16_t reta_size);
  61 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
  62                                   struct rte_eth_rss_reta_entry64 *reta_conf,
  63                                   uint16_t reta_size);
  64 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
  65                                    struct rte_eth_rss_conf *rss_conf);
  66 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
  67                                      struct rte_eth_rss_conf *rss_conf);
  68 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  69 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
  70                                          struct rte_ether_addr *mac_addr);
  71 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
  72                                         uint16_t queue_id);
  73 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
  74                                          uint16_t queue_id);
  75
  76 int iavf_logtype_init;
  77 int iavf_logtype_driver;
  78
  79 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
  80 int iavf_logtype_rx;
  81 #endif
  82 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
  83 int iavf_logtype_tx;
  84 #endif
  85 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
  86 int iavf_logtype_tx_free;
  87 #endif
  88
  89 static const struct rte_pci_id pci_id_iavf_map[] = {
  90         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
  91         { .vendor_id = 0, /* sentinel */ },
  92 };
  93
  94 static const struct eth_dev_ops iavf_eth_dev_ops = {
  95         .dev_configure              = iavf_dev_configure,
  96         .dev_start                  = iavf_dev_start,
  97         .dev_stop                   = iavf_dev_stop,
  98         .dev_close                  = iavf_dev_close,
  99         .dev_infos_get              = iavf_dev_info_get,
 100         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
 101         .link_update                = iavf_dev_link_update,
 102         .stats_get                  = iavf_dev_stats_get,
 103         .stats_reset                = iavf_dev_stats_reset,
 104         .promiscuous_enable         = iavf_dev_promiscuous_enable,
 105         .promiscuous_disable        = iavf_dev_promiscuous_disable,
 106         .allmulticast_enable        = iavf_dev_allmulticast_enable,
 107         .allmulticast_disable       = iavf_dev_allmulticast_disable,
 108         .mac_addr_add               = iavf_dev_add_mac_addr,
 109         .mac_addr_remove            = iavf_dev_del_mac_addr,
 110         .vlan_filter_set            = iavf_dev_vlan_filter_set,
 111         .vlan_offload_set           = iavf_dev_vlan_offload_set,
 112         .rx_queue_start             = iavf_dev_rx_queue_start,
 113         .rx_queue_stop              = iavf_dev_rx_queue_stop,
 114         .tx_queue_start             = iavf_dev_tx_queue_start,
 115         .tx_queue_stop              = iavf_dev_tx_queue_stop,
 116         .rx_queue_setup             = iavf_dev_rx_queue_setup,
 117         .rx_queue_release           = iavf_dev_rx_queue_release,
 118         .tx_queue_setup             = iavf_dev_tx_queue_setup,
 119         .tx_queue_release           = iavf_dev_tx_queue_release,
 120         .mac_addr_set               = iavf_dev_set_default_mac_addr,
 121         .reta_update                = iavf_dev_rss_reta_update,
 122         .reta_query                 = iavf_dev_rss_reta_query,
 123         .rss_hash_update            = iavf_dev_rss_hash_update,
 124         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
 125         .rxq_info_get               = iavf_dev_rxq_info_get,
 126         .txq_info_get               = iavf_dev_txq_info_get,
 127         .rx_queue_count             = iavf_dev_rxq_count,
 128         .rx_descriptor_status       = iavf_dev_rx_desc_status,
 129         .tx_descriptor_status       = iavf_dev_tx_desc_status,
 130         .mtu_set                    = iavf_dev_mtu_set,
 131         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
 132         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
 133 };
 134
 135 static int
 136 iavf_dev_configure(struct rte_eth_dev *dev)
 137 {
 138         struct iavf_adapter *ad =
 139                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 140         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 141         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 142
 143         ad->rx_bulk_alloc_allowed = true;
 144         /* Initialize to TRUE. If any of Rx queues doesn't meet the
 145          * vector Rx/Tx preconditions, it will be reset.
 146          */
 147         ad->rx_vec_allowed = true;
 148         ad->tx_vec_allowed = true;
 149
 150         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
 151                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 152
 153         /* Vlan stripping setting */
 154         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 155                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 156                         iavf_enable_vlan_strip(ad);
 157                 else
 158                         iavf_disable_vlan_strip(ad);
 159         }
 160         return 0;
 161 }
 162
 163 static int
 164 iavf_init_rss(struct iavf_adapter *adapter)
 165 {
 166         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
 167         struct rte_eth_rss_conf *rss_conf;
 168         uint8_t i, j, nb_q;
 169         int ret;
 170
 171         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 172         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 173                        IAVF_MAX_NUM_QUEUES);
 174
 175         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 176                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 177                 return -ENOTSUP;
 178         }
 179         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 180                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 181                 /* set all lut items to default queue */
 182                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 183                         vf->rss_lut[i] = 0;
 184                 ret = iavf_configure_rss_lut(adapter);
 185                 return ret;
 186         }
 187
 188         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 189          * to set based on rss_conf->rss_hf.
 190          */
 191
 192         /* configure RSS key */
 193         if (!rss_conf->rss_key) {
 194                 /* Calculate the default hash key */
 195                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 196                         vf->rss_key[i] = (uint8_t)rte_rand();
 197         } else
 198                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 199                            RTE_MIN(rss_conf->rss_key_len,
 200                                    vf->vf_res->rss_key_size));
 201
 202         /* init RSS LUT table */
 203         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 204                 if (j >= nb_q)
 205                         j = 0;
 206                 vf->rss_lut[i] = j;
 207         }
 208         /* send virtchnnl ops to configure rss*/
 209         ret = iavf_configure_rss_lut(adapter);
 210         if (ret)
 211                 return ret;
 212         ret = iavf_configure_rss_key(adapter);
 213         if (ret)
 214                 return ret;
 215
 216         return 0;
 217 }
 218
 219 static int
 220 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 221 {
 222         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 223         struct rte_eth_dev_data *dev_data = dev->data;
 224         uint16_t buf_size, max_pkt_len, len;
 225
 226         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 227
 228         /* Calculate the maximum packet length allowed */
 229         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
 230         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 231
 232         /* Check if the jumbo frame and maximum packet length are set
 233          * correctly.
 234          */
 235         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 236                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
 237                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
 238                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 239                                     "larger than %u and smaller than %u, "
 240                                     "as jumbo frame is enabled",
 241                                     (uint32_t)RTE_ETHER_MAX_LEN,
 242                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
 243                         return -EINVAL;
 244                 }
 245         } else {
 246                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
 247                     max_pkt_len > RTE_ETHER_MAX_LEN) {
 248                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 249                                     "larger than %u and smaller than %u, "
 250                                     "as jumbo frame is disabled",
 251                                     (uint32_t)RTE_ETHER_MIN_LEN,
 252                                     (uint32_t)RTE_ETHER_MAX_LEN);
 253                         return -EINVAL;
 254                 }
 255         }
 256
 257         rxq->max_pkt_len = max_pkt_len;
 258         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 259             (rxq->max_pkt_len + 2 * IAVF_VLAN_TAG_SIZE) > buf_size) {
 260                 dev_data->scattered_rx = 1;
 261         }
 262         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 263         IAVF_WRITE_FLUSH(hw);
 264
 265         return 0;
 266 }
 267
 268 static int
 269 iavf_init_queues(struct rte_eth_dev *dev)
 270 {
 271         struct iavf_rx_queue **rxq =
 272                 (struct iavf_rx_queue **)dev->data->rx_queues;
 273         int i, ret = IAVF_SUCCESS;
 274
 275         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 276                 if (!rxq[i] || !rxq[i]->q_set)
 277                         continue;
 278                 ret = iavf_init_rxq(dev, rxq[i]);
 279                 if (ret != IAVF_SUCCESS)
 280                         break;
 281         }
 282         /* set rx/tx function to vector/scatter/single-segment
 283          * according to parameters
 284          */
 285         iavf_set_rx_function(dev);
 286         iavf_set_tx_function(dev);
 287
 288         return ret;
 289 }
 290
 291 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
 292                                      struct rte_intr_handle *intr_handle)
 293 {
 294         struct iavf_adapter *adapter =
 295                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 296         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 297         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 298         uint16_t interval, i;
 299         int vec;
 300
 301         if (rte_intr_cap_multiple(intr_handle) &&
 302             dev->data->dev_conf.intr_conf.rxq) {
 303                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
 304                         return -1;
 305         }
 306
 307         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
 308                 intr_handle->intr_vec =
 309                         rte_zmalloc("intr_vec",
 310                                     dev->data->nb_rx_queues * sizeof(int), 0);
 311                 if (!intr_handle->intr_vec) {
 312                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
 313                                     dev->data->nb_rx_queues);
 314                         return -1;
 315                 }
 316         }
 317
 318         if (!dev->data->dev_conf.intr_conf.rxq ||
 319             !rte_intr_dp_is_en(intr_handle)) {
 320                 /* Rx interrupt disabled, Map interrupt only for writeback */
 321                 vf->nb_msix = 1;
 322                 if (vf->vf_res->vf_cap_flags &
 323                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 324                         /* If WB_ON_ITR supports, enable it */
 325                         vf->msix_base = IAVF_RX_VEC_START;
 326                         IAVF_WRITE_REG(hw,
 327                                        IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
 328                                        IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
 329                                        IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 330                 } else {
 331                         /* If no WB_ON_ITR offload flags, need to set
 332                          * interrupt for descriptor write back.
 333                          */
 334                         vf->msix_base = IAVF_MISC_VEC_ID;
 335
 336                         /* set ITR to max */
 337                         interval = iavf_calc_itr_interval(
 338                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
 339                         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
 340                                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 341                                        (IAVF_ITR_INDEX_DEFAULT <<
 342                                         IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 343                                        (interval <<
 344                                         IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
 345                 }
 346                 IAVF_WRITE_FLUSH(hw);
 347                 /* map all queues to the same interrupt */
 348                 for (i = 0; i < dev->data->nb_rx_queues; i++)
 349                         vf->rxq_map[vf->msix_base] |= 1 << i;
 350         } else {
 351                 if (!rte_intr_allow_others(intr_handle)) {
 352                         vf->nb_msix = 1;
 353                         vf->msix_base = IAVF_MISC_VEC_ID;
 354                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 355                                 vf->rxq_map[vf->msix_base] |= 1 << i;
 356                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
 357                         }
 358                         PMD_DRV_LOG(DEBUG,
 359                                     "vector %u are mapping to all Rx queues",
 360                                     vf->msix_base);
 361                 } else {
 362                         /* If Rx interrupt is reuquired, and we can use
 363                          * multi interrupts, then the vec is from 1
 364                          */
 365                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
 366                                               intr_handle->nb_efd);
 367                         vf->msix_base = IAVF_RX_VEC_START;
 368                         vec = IAVF_RX_VEC_START;
 369                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 370                                 vf->rxq_map[vec] |= 1 << i;
 371                                 intr_handle->intr_vec[i] = vec++;
 372                                 if (vec >= vf->nb_msix)
 373                                         vec = IAVF_RX_VEC_START;
 374                         }
 375                         PMD_DRV_LOG(DEBUG,
 376                                     "%u vectors are mapping to %u Rx queues",
 377                                     vf->nb_msix, dev->data->nb_rx_queues);
 378                 }
 379         }
 380
 381         if (iavf_config_irq_map(adapter)) {
 382                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 383                 return -1;
 384         }
 385         return 0;
 386 }
 387
 388 static int
 389 iavf_start_queues(struct rte_eth_dev *dev)
 390 {
 391         struct iavf_rx_queue *rxq;
 392         struct iavf_tx_queue *txq;
 393         int i;
 394
 395         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 396                 txq = dev->data->tx_queues[i];
 397                 if (txq->tx_deferred_start)
 398                         continue;
 399                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
 400                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 401                         return -1;
 402                 }
 403         }
 404
 405         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 406                 rxq = dev->data->rx_queues[i];
 407                 if (rxq->rx_deferred_start)
 408                         continue;
 409                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
 410                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 411                         return -1;
 412                 }
 413         }
 414
 415         return 0;
 416 }
 417
 418 static int
 419 iavf_dev_start(struct rte_eth_dev *dev)
 420 {
 421         struct iavf_adapter *adapter =
 422                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 423         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 424         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 425         struct rte_intr_handle *intr_handle = dev->intr_handle;
 426
 427         PMD_INIT_FUNC_TRACE();
 428
 429         hw->adapter_stopped = 0;
 430
 431         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 432         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 433                                       dev->data->nb_tx_queues);
 434
 435         if (iavf_init_queues(dev) != 0) {
 436                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 437                 return -1;
 438         }
 439
 440         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 441                 if (iavf_init_rss(adapter) != 0) {
 442                         PMD_DRV_LOG(ERR, "configure rss failed");
 443                         goto err_rss;
 444                 }
 445         }
 446
 447         if (iavf_configure_queues(adapter) != 0) {
 448                 PMD_DRV_LOG(ERR, "configure queues failed");
 449                 goto err_queue;
 450         }
 451
 452         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
 453                 PMD_DRV_LOG(ERR, "configure irq failed");
 454                 goto err_queue;
 455         }
 456         /* re-enable intr again, because efd assign may change */
 457         if (dev->data->dev_conf.intr_conf.rxq != 0) {
 458                 rte_intr_disable(intr_handle);
 459                 rte_intr_enable(intr_handle);
 460         }
 461
 462         /* Set all mac addrs */
 463         iavf_add_del_all_mac_addr(adapter, TRUE);
 464
 465         if (iavf_start_queues(dev) != 0) {
 466                 PMD_DRV_LOG(ERR, "enable queues failed");
 467                 goto err_mac;
 468         }
 469
 470         return 0;
 471
 472 err_mac:
 473         iavf_add_del_all_mac_addr(adapter, FALSE);
 474 err_queue:
 475 err_rss:
 476         return -1;
 477 }
 478
 479 static void
 480 iavf_dev_stop(struct rte_eth_dev *dev)
 481 {
 482         struct iavf_adapter *adapter =
 483                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 484         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 485         struct rte_intr_handle *intr_handle = dev->intr_handle;
 486
 487         PMD_INIT_FUNC_TRACE();
 488
 489         if (hw->adapter_stopped == 1)
 490                 return;
 491
 492         iavf_stop_queues(dev);
 493
 494         /* Disable the interrupt for Rx */
 495         rte_intr_efd_disable(intr_handle);
 496         /* Rx interrupt vector mapping free */
 497         if (intr_handle->intr_vec) {
 498                 rte_free(intr_handle->intr_vec);
 499                 intr_handle->intr_vec = NULL;
 500         }
 501
 502         /* remove all mac addrs */
 503         iavf_add_del_all_mac_addr(adapter, FALSE);
 504         hw->adapter_stopped = 1;
 505 }
 506
 507 static int
 508 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 509 {
 510         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 511
 512         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 513         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 514         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 515         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
 516         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 517         dev_info->reta_size = vf->vf_res->rss_lut_size;
 518         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
 519         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
 520         dev_info->rx_offload_capa =
 521                 DEV_RX_OFFLOAD_VLAN_STRIP |
 522                 DEV_RX_OFFLOAD_QINQ_STRIP |
 523                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 524                 DEV_RX_OFFLOAD_UDP_CKSUM |
 525                 DEV_RX_OFFLOAD_TCP_CKSUM |
 526                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 527                 DEV_RX_OFFLOAD_SCATTER |
 528                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 529                 DEV_RX_OFFLOAD_VLAN_FILTER |
 530                 DEV_RX_OFFLOAD_RSS_HASH;
 531         dev_info->tx_offload_capa =
 532                 DEV_TX_OFFLOAD_VLAN_INSERT |
 533                 DEV_TX_OFFLOAD_QINQ_INSERT |
 534                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 535                 DEV_TX_OFFLOAD_UDP_CKSUM |
 536                 DEV_TX_OFFLOAD_TCP_CKSUM |
 537                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 538                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 539                 DEV_TX_OFFLOAD_TCP_TSO |
 540                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 541                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
 542                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
 543                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 544                 DEV_TX_OFFLOAD_MULTI_SEGS;
 545
 546         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 547                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
 548                 .rx_drop_en = 0,
 549                 .offloads = 0,
 550         };
 551
 552         dev_info->default_txconf = (struct rte_eth_txconf) {
 553                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
 554                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
 555                 .offloads = 0,
 556         };
 557
 558         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 559                 .nb_max = IAVF_MAX_RING_DESC,
 560                 .nb_min = IAVF_MIN_RING_DESC,
 561                 .nb_align = IAVF_ALIGN_RING_DESC,
 562         };
 563
 564         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 565                 .nb_max = IAVF_MAX_RING_DESC,
 566                 .nb_min = IAVF_MIN_RING_DESC,
 567                 .nb_align = IAVF_ALIGN_RING_DESC,
 568         };
 569
 570         return 0;
 571 }
 572
 573 static const uint32_t *
 574 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
 575 {
 576         static const uint32_t ptypes[] = {
 577                 RTE_PTYPE_L2_ETHER,
 578                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 579                 RTE_PTYPE_L4_FRAG,
 580                 RTE_PTYPE_L4_ICMP,
 581                 RTE_PTYPE_L4_NONFRAG,
 582                 RTE_PTYPE_L4_SCTP,
 583                 RTE_PTYPE_L4_TCP,
 584                 RTE_PTYPE_L4_UDP,
 585                 RTE_PTYPE_UNKNOWN
 586         };
 587         return ptypes;
 588 }
 589
 590 int
 591 iavf_dev_link_update(struct rte_eth_dev *dev,
 592                     __rte_unused int wait_to_complete)
 593 {
 594         struct rte_eth_link new_link;
 595         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 596
 597         /* Only read status info stored in VF, and the info is updated
 598          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 599          */
 600         switch (vf->link_speed) {
 601         case 10:
 602                 new_link.link_speed = ETH_SPEED_NUM_10M;
 603                 break;
 604         case 100:
 605                 new_link.link_speed = ETH_SPEED_NUM_100M;
 606                 break;
 607         case 1000:
 608                 new_link.link_speed = ETH_SPEED_NUM_1G;
 609                 break;
 610         case 10000:
 611                 new_link.link_speed = ETH_SPEED_NUM_10G;
 612                 break;
 613         case 20000:
 614                 new_link.link_speed = ETH_SPEED_NUM_20G;
 615                 break;
 616         case 25000:
 617                 new_link.link_speed = ETH_SPEED_NUM_25G;
 618                 break;
 619         case 40000:
 620                 new_link.link_speed = ETH_SPEED_NUM_40G;
 621                 break;
 622         case 50000:
 623                 new_link.link_speed = ETH_SPEED_NUM_50G;
 624                 break;
 625         case 100000:
 626                 new_link.link_speed = ETH_SPEED_NUM_100G;
 627                 break;
 628         default:
 629                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 630                 break;
 631         }
 632
 633         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 634         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 635                                              ETH_LINK_DOWN;
 636         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
 637                                 ETH_LINK_SPEED_FIXED);
 638
 639         if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 640                                 *(uint64_t *)&dev->data->dev_link,
 641                                 *(uint64_t *)&new_link) == 0)
 642                 return -1;
 643
 644         return 0;
 645 }
 646
 647 static int
 648 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 649 {
 650         struct iavf_adapter *adapter =
 651                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 652         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 653         int ret;
 654
 655         if (vf->promisc_unicast_enabled)
 656                 return 0;
 657
 658         ret = iavf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
 659         if (!ret)
 660                 vf->promisc_unicast_enabled = TRUE;
 661         else
 662                 ret = -EAGAIN;
 663
 664         return ret;
 665 }
 666
 667 static int
 668 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 669 {
 670         struct iavf_adapter *adapter =
 671                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 672         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 673         int ret;
 674
 675         if (!vf->promisc_unicast_enabled)
 676                 return 0;
 677
 678         ret = iavf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
 679         if (!ret)
 680                 vf->promisc_unicast_enabled = FALSE;
 681         else
 682                 ret = -EAGAIN;
 683
 684         return ret;
 685 }
 686
 687 static int
 688 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 689 {
 690         struct iavf_adapter *adapter =
 691                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 692         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 693         int ret;
 694
 695         if (vf->promisc_multicast_enabled)
 696                 return 0;
 697
 698         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
 699         if (!ret)
 700                 vf->promisc_multicast_enabled = TRUE;
 701         else
 702                 ret = -EAGAIN;
 703
 704         return ret;
 705 }
 706
 707 static int
 708 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 709 {
 710         struct iavf_adapter *adapter =
 711                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 712         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 713         int ret;
 714
 715         if (!vf->promisc_multicast_enabled)
 716                 return 0;
 717
 718         ret = iavf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
 719         if (!ret)
 720                 vf->promisc_multicast_enabled = FALSE;
 721         else
 722                 ret = -EAGAIN;
 723
 724         return ret;
 725 }
 726
 727 static int
 728 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
 729                      __rte_unused uint32_t index,
 730                      __rte_unused uint32_t pool)
 731 {
 732         struct iavf_adapter *adapter =
 733                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 734         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 735         int err;
 736
 737         if (rte_is_zero_ether_addr(addr)) {
 738                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 739                 return -EINVAL;
 740         }
 741
 742         err = iavf_add_del_eth_addr(adapter, addr, TRUE);
 743         if (err) {
 744                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 745                 return -EIO;
 746         }
 747
 748         vf->mac_num++;
 749
 750         return 0;
 751 }
 752
 753 static void
 754 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 755 {
 756         struct iavf_adapter *adapter =
 757                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 758         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 759         struct rte_ether_addr *addr;
 760         int err;
 761
 762         addr = &dev->data->mac_addrs[index];
 763
 764         err = iavf_add_del_eth_addr(adapter, addr, FALSE);
 765         if (err)
 766                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 767
 768         vf->mac_num--;
 769 }
 770
 771 static int
 772 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 773 {
 774         struct iavf_adapter *adapter =
 775                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 776         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 777         int err;
 778
 779         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 780                 return -ENOTSUP;
 781
 782         err = iavf_add_del_vlan(adapter, vlan_id, on);
 783         if (err)
 784                 return -EIO;
 785         return 0;
 786 }
 787
 788 static int
 789 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 790 {
 791         struct iavf_adapter *adapter =
 792                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 793         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 794         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 795         int err;
 796
 797         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 798                 return -ENOTSUP;
 799
 800         /* Vlan stripping setting */
 801         if (mask & ETH_VLAN_STRIP_MASK) {
 802                 /* Enable or disable VLAN stripping */
 803                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 804                         err = iavf_enable_vlan_strip(adapter);
 805                 else
 806                         err = iavf_disable_vlan_strip(adapter);
 807
 808                 if (err)
 809                         return -EIO;
 810         }
 811         return 0;
 812 }
 813
 814 static int
 815 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
 816                         struct rte_eth_rss_reta_entry64 *reta_conf,
 817                         uint16_t reta_size)
 818 {
 819         struct iavf_adapter *adapter =
 820                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 821         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 822         uint8_t *lut;
 823         uint16_t i, idx, shift;
 824         int ret;
 825
 826         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 827                 return -ENOTSUP;
 828
 829         if (reta_size != vf->vf_res->rss_lut_size) {
 830                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 831                         "(%d) doesn't match the number of hardware can "
 832                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 833                 return -EINVAL;
 834         }
 835
 836         lut = rte_zmalloc("rss_lut", reta_size, 0);
 837         if (!lut) {
 838                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 839                 return -ENOMEM;
 840         }
 841         /* store the old lut table temporarily */
 842         rte_memcpy(lut, vf->rss_lut, reta_size);
 843
 844         for (i = 0; i < reta_size; i++) {
 845                 idx = i / RTE_RETA_GROUP_SIZE;
 846                 shift = i % RTE_RETA_GROUP_SIZE;
 847                 if (reta_conf[idx].mask & (1ULL << shift))
 848                         lut[i] = reta_conf[idx].reta[shift];
 849         }
 850
 851         rte_memcpy(vf->rss_lut, lut, reta_size);
 852         /* send virtchnnl ops to configure rss*/
 853         ret = iavf_configure_rss_lut(adapter);
 854         if (ret) /* revert back */
 855                 rte_memcpy(vf->rss_lut, lut, reta_size);
 856         rte_free(lut);
 857
 858         return ret;
 859 }
 860
 861 static int
 862 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
 863                        struct rte_eth_rss_reta_entry64 *reta_conf,
 864                        uint16_t reta_size)
 865 {
 866         struct iavf_adapter *adapter =
 867                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 868         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 869         uint16_t i, idx, shift;
 870
 871         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 872                 return -ENOTSUP;
 873
 874         if (reta_size != vf->vf_res->rss_lut_size) {
 875                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 876                         "(%d) doesn't match the number of hardware can "
 877                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 878                 return -EINVAL;
 879         }
 880
 881         for (i = 0; i < reta_size; i++) {
 882                 idx = i / RTE_RETA_GROUP_SIZE;
 883                 shift = i % RTE_RETA_GROUP_SIZE;
 884                 if (reta_conf[idx].mask & (1ULL << shift))
 885                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 886         }
 887
 888         return 0;
 889 }
 890
 891 static int
 892 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
 893                         struct rte_eth_rss_conf *rss_conf)
 894 {
 895         struct iavf_adapter *adapter =
 896                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 897         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 898
 899         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 900                 return -ENOTSUP;
 901
 902         /* HENA setting, it is enabled by default, no change */
 903         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 904                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 905                 return 0;
 906         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 907                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 908                         "(%d) doesn't match the size of hardware can "
 909                         "support (%d)", rss_conf->rss_key_len,
 910                         vf->vf_res->rss_key_size);
 911                 return -EINVAL;
 912         }
 913
 914         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 915
 916         return iavf_configure_rss_key(adapter);
 917 }
 918
 919 static int
 920 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 921                           struct rte_eth_rss_conf *rss_conf)
 922 {
 923         struct iavf_adapter *adapter =
 924                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 925         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
 926
 927         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 928                 return -ENOTSUP;
 929
 930          /* Just set it to default value now. */
 931         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
 932
 933         if (!rss_conf->rss_key)
 934                 return 0;
 935
 936         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 937         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 938
 939         return 0;
 940 }
 941
 942 static int
 943 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 944 {
 945         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
 946         int ret = 0;
 947
 948         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
 949                 return -EINVAL;
 950
 951         /* mtu setting is forbidden if port is start */
 952         if (dev->data->dev_started) {
 953                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 954                 return -EBUSY;
 955         }
 956
 957         if (frame_size > RTE_ETHER_MAX_LEN)
 958                 dev->data->dev_conf.rxmode.offloads |=
 959                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 960         else
 961                 dev->data->dev_conf.rxmode.offloads &=
 962                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 963
 964         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 965
 966         return ret;
 967 }
 968
 969 static int
 970 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 971                              struct rte_ether_addr *mac_addr)
 972 {
 973         struct iavf_adapter *adapter =
 974                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 975         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 976         struct rte_ether_addr *perm_addr, *old_addr;
 977         int ret;
 978
 979         old_addr = (struct rte_ether_addr *)hw->mac.addr;
 980         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
 981
 982         if (rte_is_same_ether_addr(mac_addr, old_addr))
 983                 return 0;
 984
 985         /* If the MAC address is configured by host, skip the setting */
 986         if (rte_is_valid_assigned_ether_addr(perm_addr))
 987                 return -EPERM;
 988
 989         ret = iavf_add_del_eth_addr(adapter, old_addr, FALSE);
 990         if (ret)
 991                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 992                             " %02X:%02X:%02X:%02X:%02X:%02X",
 993                             old_addr->addr_bytes[0],
 994                             old_addr->addr_bytes[1],
 995                             old_addr->addr_bytes[2],
 996                             old_addr->addr_bytes[3],
 997                             old_addr->addr_bytes[4],
 998                             old_addr->addr_bytes[5]);
 999
1000         ret = iavf_add_del_eth_addr(adapter, mac_addr, TRUE);
1001         if (ret)
1002                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
1003                             " %02X:%02X:%02X:%02X:%02X:%02X",
1004                             mac_addr->addr_bytes[0],
1005                             mac_addr->addr_bytes[1],
1006                             mac_addr->addr_bytes[2],
1007                             mac_addr->addr_bytes[3],
1008                             mac_addr->addr_bytes[4],
1009                             mac_addr->addr_bytes[5]);
1010
1011         if (ret)
1012                 return -EIO;
1013
1014         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1015         return 0;
1016 }
1017
1018 static void
1019 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1020 {
1021         if (*stat >= *offset)
1022                 *stat = *stat - *offset;
1023         else
1024                 *stat = (uint64_t)((*stat +
1025                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1026
1027         *stat &= IAVF_48_BIT_MASK;
1028 }
1029
1030 static void
1031 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1032 {
1033         if (*stat >= *offset)
1034                 *stat = (uint64_t)(*stat - *offset);
1035         else
1036                 *stat = (uint64_t)((*stat +
1037                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1038 }
1039
1040 static void
1041 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1042 {
1043         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1044
1045         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1046         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1047         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1048         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1049         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1050         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1051         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1052         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1053         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1054         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1055         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1056 }
1057
1058 static int
1059 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1060 {
1061         struct iavf_adapter *adapter =
1062                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1063         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1064         struct iavf_vsi *vsi = &vf->vsi;
1065         struct virtchnl_eth_stats *pstats = NULL;
1066         int ret;
1067
1068         ret = iavf_query_stats(adapter, &pstats);
1069         if (ret == 0) {
1070                 iavf_update_stats(vsi, pstats);
1071                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1072                                 pstats->rx_broadcast - pstats->rx_discards;
1073                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1074                                                 pstats->tx_unicast;
1075                 stats->imissed = pstats->rx_discards;
1076                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1077                 stats->ibytes = pstats->rx_bytes;
1078                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1079                 stats->obytes = pstats->tx_bytes;
1080         } else {
1081                 PMD_DRV_LOG(ERR, "Get statistics failed");
1082         }
1083         return -EIO;
1084 }
1085
1086 static int
1087 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1088 {
1089         int ret;
1090         struct iavf_adapter *adapter =
1091                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1092         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1093         struct iavf_vsi *vsi = &vf->vsi;
1094         struct virtchnl_eth_stats *pstats = NULL;
1095
1096         /* read stat values to clear hardware registers */
1097         ret = iavf_query_stats(adapter, &pstats);
1098         if (ret != 0)
1099                 return ret;
1100
1101         /* set stats offset base on current values */
1102         vsi->eth_stats_offset = *pstats;
1103
1104         return 0;
1105 }
1106
1107 static int
1108 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1109 {
1110         struct iavf_adapter *adapter =
1111                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1112         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1113         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1114         uint16_t msix_intr;
1115
1116         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1117         if (msix_intr == IAVF_MISC_VEC_ID) {
1118                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1119                 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1120                                IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1121                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1122                                IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1123         } else {
1124                 IAVF_WRITE_REG(hw,
1125                                IAVF_VFINT_DYN_CTLN1
1126                                 (msix_intr - IAVF_RX_VEC_START),
1127                                IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1128                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1129                                IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1130         }
1131
1132         IAVF_WRITE_FLUSH(hw);
1133
1134         rte_intr_ack(&pci_dev->intr_handle);
1135
1136         return 0;
1137 }
1138
1139 static int
1140 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1141 {
1142         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1143         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1144         uint16_t msix_intr;
1145
1146         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1147         if (msix_intr == IAVF_MISC_VEC_ID) {
1148                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1149                 return -EIO;
1150         }
1151
1152         IAVF_WRITE_REG(hw,
1153                       IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1154                       0);
1155
1156         IAVF_WRITE_FLUSH(hw);
1157         return 0;
1158 }
1159
1160 static int
1161 iavf_check_vf_reset_done(struct iavf_hw *hw)
1162 {
1163         int i, reset;
1164
1165         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1166                 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1167                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1168                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1169                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1170                     reset == VIRTCHNL_VFR_COMPLETED)
1171                         break;
1172                 rte_delay_ms(20);
1173         }
1174
1175         if (i >= IAVF_RESET_WAIT_CNT)
1176                 return -1;
1177
1178         return 0;
1179 }
1180
1181 static int
1182 iavf_init_vf(struct rte_eth_dev *dev)
1183 {
1184         int err, bufsz;
1185         struct iavf_adapter *adapter =
1186                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1187         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1188         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1189
1190         err = iavf_set_mac_type(hw);
1191         if (err) {
1192                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1193                 goto err;
1194         }
1195
1196         err = iavf_check_vf_reset_done(hw);
1197         if (err) {
1198                 PMD_INIT_LOG(ERR, "VF is still resetting");
1199                 goto err;
1200         }
1201
1202         iavf_init_adminq_parameter(hw);
1203         err = iavf_init_adminq(hw);
1204         if (err) {
1205                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1206                 goto err;
1207         }
1208
1209         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1210         if (!vf->aq_resp) {
1211                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1212                 goto err_aq;
1213         }
1214         if (iavf_check_api_version(adapter) != 0) {
1215                 PMD_INIT_LOG(ERR, "check_api version failed");
1216                 goto err_api;
1217         }
1218
1219         bufsz = sizeof(struct virtchnl_vf_resource) +
1220                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1221         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1222         if (!vf->vf_res) {
1223                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1224                 goto err_api;
1225         }
1226         if (iavf_get_vf_resource(adapter) != 0) {
1227                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1228                 goto err_alloc;
1229         }
1230         /* Allocate memort for RSS info */
1231         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1232                 vf->rss_key = rte_zmalloc("rss_key",
1233                                           vf->vf_res->rss_key_size, 0);
1234                 if (!vf->rss_key) {
1235                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1236                         goto err_rss;
1237                 }
1238                 vf->rss_lut = rte_zmalloc("rss_lut",
1239                                           vf->vf_res->rss_lut_size, 0);
1240                 if (!vf->rss_lut) {
1241                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1242                         goto err_rss;
1243                 }
1244         }
1245         return 0;
1246 err_rss:
1247         rte_free(vf->rss_key);
1248         rte_free(vf->rss_lut);
1249 err_alloc:
1250         rte_free(vf->vf_res);
1251         vf->vsi_res = NULL;
1252 err_api:
1253         rte_free(vf->aq_resp);
1254 err_aq:
1255         iavf_shutdown_adminq(hw);
1256 err:
1257         return -1;
1258 }
1259
1260 /* Enable default admin queue interrupt setting */
1261 static inline void
1262 iavf_enable_irq0(struct iavf_hw *hw)
1263 {
1264         /* Enable admin queue interrupt trigger */
1265         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
1266                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
1267
1268         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1269                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1270                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1271                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1272
1273         IAVF_WRITE_FLUSH(hw);
1274 }
1275
1276 static inline void
1277 iavf_disable_irq0(struct iavf_hw *hw)
1278 {
1279         /* Disable all interrupt types */
1280         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
1281         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1282                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1283         IAVF_WRITE_FLUSH(hw);
1284 }
1285
1286 static void
1287 iavf_dev_interrupt_handler(void *param)
1288 {
1289         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1290         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1291
1292         iavf_disable_irq0(hw);
1293
1294         iavf_handle_virtchnl_msg(dev);
1295
1296         iavf_enable_irq0(hw);
1297 }
1298
1299 static int
1300 iavf_dev_init(struct rte_eth_dev *eth_dev)
1301 {
1302         struct iavf_adapter *adapter =
1303                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1304         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1305         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1306
1307         PMD_INIT_FUNC_TRACE();
1308
1309         /* assign ops func pointer */
1310         eth_dev->dev_ops = &iavf_eth_dev_ops;
1311         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1312         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1313         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1314
1315         /* For secondary processes, we don't initialise any further as primary
1316          * has already done this work. Only check if we need a different RX
1317          * and TX function.
1318          */
1319         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1320                 iavf_set_rx_function(eth_dev);
1321                 iavf_set_tx_function(eth_dev);
1322                 return 0;
1323         }
1324         rte_eth_copy_pci_info(eth_dev, pci_dev);
1325
1326         hw->vendor_id = pci_dev->id.vendor_id;
1327         hw->device_id = pci_dev->id.device_id;
1328         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1329         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1330         hw->bus.bus_id = pci_dev->addr.bus;
1331         hw->bus.device = pci_dev->addr.devid;
1332         hw->bus.func = pci_dev->addr.function;
1333         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1334         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1335         adapter->eth_dev = eth_dev;
1336
1337         if (iavf_init_vf(eth_dev) != 0) {
1338                 PMD_INIT_LOG(ERR, "Init vf failed");
1339                 return -1;
1340         }
1341
1342         /* copy mac addr */
1343         eth_dev->data->mac_addrs = rte_zmalloc(
1344                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1345         if (!eth_dev->data->mac_addrs) {
1346                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1347                              " store MAC addresses",
1348                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1349                 return -ENOMEM;
1350         }
1351         /* If the MAC address is not configured by host,
1352          * generate a random one.
1353          */
1354         if (!rte_is_valid_assigned_ether_addr(
1355                         (struct rte_ether_addr *)hw->mac.addr))
1356                 rte_eth_random_addr(hw->mac.addr);
1357         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1358                         &eth_dev->data->mac_addrs[0]);
1359
1360         /* register callback func to eal lib */
1361         rte_intr_callback_register(&pci_dev->intr_handle,
1362                                    iavf_dev_interrupt_handler,
1363                                    (void *)eth_dev);
1364
1365         /* enable uio intr after callback register */
1366         rte_intr_enable(&pci_dev->intr_handle);
1367
1368         /* configure and enable device interrupt */
1369         iavf_enable_irq0(hw);
1370
1371         return 0;
1372 }
1373
1374 static void
1375 iavf_dev_close(struct rte_eth_dev *dev)
1376 {
1377         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1378         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1379         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1380
1381         iavf_dev_stop(dev);
1382         iavf_shutdown_adminq(hw);
1383         /* disable uio intr before callback unregister */
1384         rte_intr_disable(intr_handle);
1385
1386         /* unregister callback func from eal lib */
1387         rte_intr_callback_unregister(intr_handle,
1388                                      iavf_dev_interrupt_handler, dev);
1389         iavf_disable_irq0(hw);
1390 }
1391
1392 static int
1393 iavf_dev_uninit(struct rte_eth_dev *dev)
1394 {
1395         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1396         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1397
1398         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1399                 return -EPERM;
1400
1401         dev->dev_ops = NULL;
1402         dev->rx_pkt_burst = NULL;
1403         dev->tx_pkt_burst = NULL;
1404         if (hw->adapter_stopped == 0)
1405                 iavf_dev_close(dev);
1406
1407         rte_free(vf->vf_res);
1408         vf->vsi_res = NULL;
1409         vf->vf_res = NULL;
1410
1411         rte_free(vf->aq_resp);
1412         vf->aq_resp = NULL;
1413
1414         if (vf->rss_lut) {
1415                 rte_free(vf->rss_lut);
1416                 vf->rss_lut = NULL;
1417         }
1418         if (vf->rss_key) {
1419                 rte_free(vf->rss_key);
1420                 vf->rss_key = NULL;
1421         }
1422
1423         return 0;
1424 }
1425
1426 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1427                              struct rte_pci_device *pci_dev)
1428 {
1429         return rte_eth_dev_pci_generic_probe(pci_dev,
1430                 sizeof(struct iavf_adapter), iavf_dev_init);
1431 }
1432
1433 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1434 {
1435         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1436 }
1437
1438 /* Adaptive virtual function driver struct */
1439 static struct rte_pci_driver rte_iavf_pmd = {
1440         .id_table = pci_id_iavf_map,
1441         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1442         .probe = eth_iavf_pci_probe,
1443         .remove = eth_iavf_pci_remove,
1444 };
1445
1446 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1447 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1448 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1449 RTE_INIT(iavf_init_log)
1450 {
1451         iavf_logtype_init = rte_log_register("pmd.net.iavf.init");
1452         if (iavf_logtype_init >= 0)
1453                 rte_log_set_level(iavf_logtype_init, RTE_LOG_NOTICE);
1454         iavf_logtype_driver = rte_log_register("pmd.net.iavf.driver");
1455         if (iavf_logtype_driver >= 0)
1456                 rte_log_set_level(iavf_logtype_driver, RTE_LOG_NOTICE);
1457
1458 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1459         iavf_logtype_rx = rte_log_register("pmd.net.iavf.rx");
1460         if (iavf_logtype_rx >= 0)
1461                 rte_log_set_level(iavf_logtype_rx, RTE_LOG_DEBUG);
1462 #endif
1463
1464 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1465         iavf_logtype_tx = rte_log_register("pmd.net.iavf.tx");
1466         if (iavf_logtype_tx >= 0)
1467                 rte_log_set_level(iavf_logtype_tx, RTE_LOG_DEBUG);
1468 #endif
1469
1470 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1471         iavf_logtype_tx_free = rte_log_register("pmd.net.iavf.tx_free");
1472         if (iavf_logtype_tx_free >= 0)
1473                 rte_log_set_level(iavf_logtype_tx_free, RTE_LOG_DEBUG);
1474 #endif
1475 }
1476
1477 /* memory func for base code */
1478 enum iavf_status
1479 iavf_allocate_dma_mem_d(__rte_unused struct iavf_hw *hw,
1480                        struct iavf_dma_mem *mem,
1481                        u64 size,
1482                        u32 alignment)
1483 {
1484         const struct rte_memzone *mz = NULL;
1485         char z_name[RTE_MEMZONE_NAMESIZE];
1486
1487         if (!mem)
1488                 return IAVF_ERR_PARAM;
1489
1490         snprintf(z_name, sizeof(z_name), "iavf_dma_%"PRIu64, rte_rand());
1491         mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY,
1492                         RTE_MEMZONE_IOVA_CONTIG, alignment, RTE_PGSIZE_2M);
1493         if (!mz)
1494                 return IAVF_ERR_NO_MEMORY;
1495
1496         mem->size = size;
1497         mem->va = mz->addr;
1498         mem->pa = mz->phys_addr;
1499         mem->zone = (const void *)mz;
1500         PMD_DRV_LOG(DEBUG,
1501                     "memzone %s allocated with physical address: %"PRIu64,
1502                     mz->name, mem->pa);
1503
1504         return IAVF_SUCCESS;
1505 }
1506
1507 enum iavf_status
1508 iavf_free_dma_mem_d(__rte_unused struct iavf_hw *hw,
1509                    struct iavf_dma_mem *mem)
1510 {
1511         if (!mem)
1512                 return IAVF_ERR_PARAM;
1513
1514         PMD_DRV_LOG(DEBUG,
1515                     "memzone %s to be freed with physical address: %"PRIu64,
1516                     ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1517         rte_memzone_free((const struct rte_memzone *)mem->zone);
1518         mem->zone = NULL;
1519         mem->va = NULL;
1520         mem->pa = (u64)0;
1521
1522         return IAVF_SUCCESS;
1523 }
1524
1525 enum iavf_status
1526 iavf_allocate_virt_mem_d(__rte_unused struct iavf_hw *hw,
1527                         struct iavf_virt_mem *mem,
1528                         u32 size)
1529 {
1530         if (!mem)
1531                 return IAVF_ERR_PARAM;
1532
1533         mem->size = size;
1534         mem->va = rte_zmalloc("iavf", size, 0);
1535
1536         if (mem->va)
1537                 return IAVF_SUCCESS;
1538         else
1539                 return IAVF_ERR_NO_MEMORY;
1540 }
1541
1542 enum iavf_status
1543 iavf_free_virt_mem_d(__rte_unused struct iavf_hw *hw,
1544                     struct iavf_virt_mem *mem)
1545 {
1546         if (!mem)
1547                 return IAVF_ERR_PARAM;
1548
1549         rte_free(mem->va);
1550         mem->va = NULL;
1551
1552         return IAVF_SUCCESS;
1553 }