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.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
  71 int avf_logtype_init;
  72 int avf_logtype_driver;
  73 static const struct rte_pci_id pci_id_avf_map[] = {
  74         { RTE_PCI_DEVICE(AVF_INTEL_VENDOR_ID, AVF_DEV_ID_ADAPTIVE_VF) },
  75         { .vendor_id = 0, /* sentinel */ },
  76 };
  77
  78 static const struct eth_dev_ops avf_eth_dev_ops = {
  79         .dev_configure              = avf_dev_configure,
  80         .dev_start                  = avf_dev_start,
  81         .dev_stop                   = avf_dev_stop,
  82         .dev_close                  = avf_dev_close,
  83         .dev_infos_get              = avf_dev_info_get,
  84         .dev_supported_ptypes_get   = avf_dev_supported_ptypes_get,
  85         .link_update                = avf_dev_link_update,
  86         .stats_get                  = avf_dev_stats_get,
  87         .promiscuous_enable         = avf_dev_promiscuous_enable,
  88         .promiscuous_disable        = avf_dev_promiscuous_disable,
  89         .allmulticast_enable        = avf_dev_allmulticast_enable,
  90         .allmulticast_disable       = avf_dev_allmulticast_disable,
  91         .mac_addr_add               = avf_dev_add_mac_addr,
  92         .mac_addr_remove            = avf_dev_del_mac_addr,
  93         .vlan_filter_set            = avf_dev_vlan_filter_set,
  94         .vlan_offload_set           = avf_dev_vlan_offload_set,
  95         .rx_queue_start             = avf_dev_rx_queue_start,
  96         .rx_queue_stop              = avf_dev_rx_queue_stop,
  97         .tx_queue_start             = avf_dev_tx_queue_start,
  98         .tx_queue_stop              = avf_dev_tx_queue_stop,
  99         .rx_queue_setup             = avf_dev_rx_queue_setup,
 100         .rx_queue_release           = avf_dev_rx_queue_release,
 101         .tx_queue_setup             = avf_dev_tx_queue_setup,
 102         .tx_queue_release           = avf_dev_tx_queue_release,
 103         .mac_addr_set               = avf_dev_set_default_mac_addr,
 104         .reta_update                = avf_dev_rss_reta_update,
 105         .reta_query                 = avf_dev_rss_reta_query,
 106         .rss_hash_update            = avf_dev_rss_hash_update,
 107         .rss_hash_conf_get          = avf_dev_rss_hash_conf_get,
 108         .mtu_set                    = avf_dev_mtu_set,
 109 };
 110
 111 static int
 112 avf_dev_configure(struct rte_eth_dev *dev)
 113 {
 114         struct avf_adapter *ad =
 115                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 116         struct avf_info *vf =  AVF_DEV_PRIVATE_TO_VF(ad);
 117         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 118
 119         /* Vlan stripping setting */
 120         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
 121                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 122                         avf_enable_vlan_strip(ad);
 123                 else
 124                         avf_disable_vlan_strip(ad);
 125         }
 126         return 0;
 127 }
 128
 129 static int
 130 avf_init_rss(struct avf_adapter *adapter)
 131 {
 132         struct avf_info *vf =  AVF_DEV_PRIVATE_TO_VF(adapter);
 133         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
 134         struct rte_eth_rss_conf *rss_conf;
 135         uint8_t i, j, nb_q;
 136         int ret;
 137
 138         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
 139         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
 140                        AVF_MAX_NUM_QUEUES);
 141
 142         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 143                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 144                 return -ENOTSUP;
 145         }
 146         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 147                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 148                 /* set all lut items to default queue */
 149                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
 150                         vf->rss_lut[i] = 0;
 151                 ret = avf_configure_rss_lut(adapter);
 152                 return ret;
 153         }
 154
 155         /* In AVF, RSS enablement is set by PF driver. It is not supported
 156          * to set based on rss_conf->rss_hf.
 157          */
 158
 159         /* configure RSS key */
 160         if (!rss_conf->rss_key) {
 161                 /* Calculate the default hash key */
 162                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
 163                         vf->rss_key[i] = (uint8_t)rte_rand();
 164         } else
 165                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
 166                            RTE_MIN(rss_conf->rss_key_len,
 167                                    vf->vf_res->rss_key_size));
 168
 169         /* init RSS LUT table */
 170         for (i = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
 171                 if (j >= nb_q)
 172                         j = 0;
 173                 vf->rss_lut[i] = j;
 174         }
 175         /* send virtchnnl ops to configure rss*/
 176         ret = avf_configure_rss_lut(adapter);
 177         if (ret)
 178                 return ret;
 179         ret = avf_configure_rss_key(adapter);
 180         if (ret)
 181                 return ret;
 182
 183         return 0;
 184 }
 185
 186 static int
 187 avf_init_rxq(struct rte_eth_dev *dev, struct avf_rx_queue *rxq)
 188 {
 189         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 190         struct rte_eth_dev_data *dev_data = dev->data;
 191         uint16_t buf_size, max_pkt_len, len;
 192
 193         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 194
 195         /* Calculate the maximum packet length allowed */
 196         len = rxq->rx_buf_len * AVF_MAX_CHAINED_RX_BUFFERS;
 197         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
 198
 199         /* Check if the jumbo frame and maximum packet length are set
 200          * correctly.
 201          */
 202         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 203                 if (max_pkt_len <= ETHER_MAX_LEN ||
 204                     max_pkt_len > AVF_FRAME_SIZE_MAX) {
 205                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 206                                     "larger than %u and smaller than %u, "
 207                                     "as jumbo frame is enabled",
 208                                     (uint32_t)ETHER_MAX_LEN,
 209                                     (uint32_t)AVF_FRAME_SIZE_MAX);
 210                         return -EINVAL;
 211                 }
 212         } else {
 213                 if (max_pkt_len < ETHER_MIN_LEN ||
 214                     max_pkt_len > ETHER_MAX_LEN) {
 215                         PMD_DRV_LOG(ERR, "maximum packet length must be "
 216                                     "larger than %u and smaller than %u, "
 217                                     "as jumbo frame is disabled",
 218                                     (uint32_t)ETHER_MIN_LEN,
 219                                     (uint32_t)ETHER_MAX_LEN);
 220                         return -EINVAL;
 221                 }
 222         }
 223
 224         rxq->max_pkt_len = max_pkt_len;
 225         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
 226             (rxq->max_pkt_len + 2 * AVF_VLAN_TAG_SIZE) > buf_size) {
 227                 dev_data->scattered_rx = 1;
 228         }
 229         AVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 230         AVF_WRITE_FLUSH(hw);
 231
 232         return 0;
 233 }
 234
 235 static int
 236 avf_init_queues(struct rte_eth_dev *dev)
 237 {
 238         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 239         struct avf_rx_queue **rxq =
 240                 (struct avf_rx_queue **)dev->data->rx_queues;
 241         struct avf_tx_queue **txq =
 242                 (struct avf_tx_queue **)dev->data->tx_queues;
 243         int i, ret = AVF_SUCCESS;
 244
 245         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 246                 if (!rxq[i] || !rxq[i]->q_set)
 247                         continue;
 248                 ret = avf_init_rxq(dev, rxq[i]);
 249                 if (ret != AVF_SUCCESS)
 250                         break;
 251         }
 252         /* set rx/tx function to vector/scatter/single-segment
 253          * according to parameters
 254          */
 255         avf_set_rx_function(dev);
 256         avf_set_tx_function(dev);
 257
 258         return ret;
 259 }
 260
 261 static int
 262 avf_start_queues(struct rte_eth_dev *dev)
 263 {
 264         struct avf_rx_queue *rxq;
 265         struct avf_tx_queue *txq;
 266         int i;
 267
 268         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 269                 txq = dev->data->tx_queues[i];
 270                 if (txq->tx_deferred_start)
 271                         continue;
 272                 if (avf_dev_tx_queue_start(dev, i) != 0) {
 273                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 274                         return -1;
 275                 }
 276         }
 277
 278         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 279                 rxq = dev->data->rx_queues[i];
 280                 if (rxq->rx_deferred_start)
 281                         continue;
 282                 if (avf_dev_rx_queue_start(dev, i) != 0) {
 283                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 284                         return -1;
 285                 }
 286         }
 287
 288         return 0;
 289 }
 290
 291 static int
 292 avf_dev_start(struct rte_eth_dev *dev)
 293 {
 294         struct avf_adapter *adapter =
 295                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 296         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 297         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 298         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 299         struct rte_intr_handle *intr_handle = dev->intr_handle;
 300         uint16_t interval;
 301         int i;
 302
 303         PMD_INIT_FUNC_TRACE();
 304
 305         hw->adapter_stopped = 0;
 306
 307         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
 308         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
 309                                       dev->data->nb_tx_queues);
 310
 311         /* TODO: Rx interrupt */
 312
 313         if (avf_init_queues(dev) != 0) {
 314                 PMD_DRV_LOG(ERR, "failed to do Queue init");
 315                 return -1;
 316         }
 317
 318         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 319                 if (avf_init_rss(adapter) != 0) {
 320                         PMD_DRV_LOG(ERR, "configure rss failed");
 321                         goto err_rss;
 322                 }
 323         }
 324
 325         if (avf_configure_queues(adapter) != 0) {
 326                 PMD_DRV_LOG(ERR, "configure queues failed");
 327                 goto err_queue;
 328         }
 329
 330         /* Map interrupt for writeback */
 331         vf->nb_msix = 1;
 332         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
 333                 /* If WB_ON_ITR supports, enable it */
 334                 vf->msix_base = AVF_RX_VEC_START;
 335                 AVF_WRITE_REG(hw, AVFINT_DYN_CTLN1(vf->msix_base - 1),
 336                               AVFINT_DYN_CTLN1_ITR_INDX_MASK |
 337                               AVFINT_DYN_CTLN1_WB_ON_ITR_MASK);
 338         } else {
 339                 /* If no WB_ON_ITR offload flags, need to set interrupt for
 340                  * descriptor write back.
 341                  */
 342                 vf->msix_base = AVF_MISC_VEC_ID;
 343
 344                 /* set ITR to max */
 345                 interval = avf_calc_itr_interval(AVF_QUEUE_ITR_INTERVAL_MAX);
 346                 AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
 347                               AVFINT_DYN_CTL01_INTENA_MASK |
 348                               (AVF_ITR_INDEX_DEFAULT <<
 349                                AVFINT_DYN_CTL01_ITR_INDX_SHIFT) |
 350                               (interval << AVFINT_DYN_CTL01_INTERVAL_SHIFT));
 351         }
 352         AVF_WRITE_FLUSH(hw);
 353         /* map all queues to the same interrupt */
 354         for (i = 0; i < dev->data->nb_rx_queues; i++)
 355                 vf->rxq_map[0] |= 1 << i;
 356         if (avf_config_irq_map(adapter)) {
 357                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
 358                 goto err_queue;
 359         }
 360
 361         /* Set all mac addrs */
 362         avf_add_del_all_mac_addr(adapter, TRUE);
 363
 364         if (avf_start_queues(dev) != 0) {
 365                 PMD_DRV_LOG(ERR, "enable queues failed");
 366                 goto err_mac;
 367         }
 368
 369         /* TODO: enable interrupt for RX interrupt */
 370         return 0;
 371
 372 err_mac:
 373         avf_add_del_all_mac_addr(adapter, FALSE);
 374 err_queue:
 375 err_rss:
 376         return -1;
 377 }
 378
 379 static void
 380 avf_dev_stop(struct rte_eth_dev *dev)
 381 {
 382         struct avf_adapter *adapter =
 383                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 384         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev);
 385         int ret, i;
 386
 387         PMD_INIT_FUNC_TRACE();
 388
 389         if (hw->adapter_stopped == 1)
 390                 return;
 391
 392         avf_stop_queues(dev);
 393
 394         /*TODO: Disable the interrupt for Rx*/
 395
 396         /* TODO: Rx interrupt vector mapping free */
 397
 398         /* remove all mac addrs */
 399         avf_add_del_all_mac_addr(adapter, FALSE);
 400         hw->adapter_stopped = 1;
 401 }
 402
 403 static void
 404 avf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 405 {
 406         struct avf_adapter *adapter =
 407                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 408         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 409
 410         memset(dev_info, 0, sizeof(*dev_info));
 411         dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 412         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
 413         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 414         dev_info->min_rx_bufsize = AVF_BUF_SIZE_MIN;
 415         dev_info->max_rx_pktlen = AVF_FRAME_SIZE_MAX;
 416         dev_info->hash_key_size = vf->vf_res->rss_key_size;
 417         dev_info->reta_size = vf->vf_res->rss_lut_size;
 418         dev_info->flow_type_rss_offloads = AVF_RSS_OFFLOAD_ALL;
 419         dev_info->max_mac_addrs = AVF_NUM_MACADDR_MAX;
 420         dev_info->rx_offload_capa =
 421                 DEV_RX_OFFLOAD_VLAN_STRIP |
 422                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 423                 DEV_RX_OFFLOAD_UDP_CKSUM |
 424                 DEV_RX_OFFLOAD_TCP_CKSUM;
 425         dev_info->tx_offload_capa =
 426                 DEV_TX_OFFLOAD_VLAN_INSERT |
 427                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 428                 DEV_TX_OFFLOAD_UDP_CKSUM |
 429                 DEV_TX_OFFLOAD_TCP_CKSUM |
 430                 DEV_TX_OFFLOAD_SCTP_CKSUM |
 431                 DEV_TX_OFFLOAD_TCP_TSO;
 432
 433         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 434                 .rx_free_thresh = AVF_DEFAULT_RX_FREE_THRESH,
 435                 .rx_drop_en = 0,
 436         };
 437
 438         dev_info->default_txconf = (struct rte_eth_txconf) {
 439                 .tx_free_thresh = AVF_DEFAULT_TX_FREE_THRESH,
 440                 .tx_rs_thresh = AVF_DEFAULT_TX_RS_THRESH,
 441                 .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
 442                                 ETH_TXQ_FLAGS_NOOFFLOADS,
 443         };
 444
 445         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
 446                 .nb_max = AVF_MAX_RING_DESC,
 447                 .nb_min = AVF_MIN_RING_DESC,
 448                 .nb_align = AVF_ALIGN_RING_DESC,
 449         };
 450
 451         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
 452                 .nb_max = AVF_MAX_RING_DESC,
 453                 .nb_min = AVF_MIN_RING_DESC,
 454                 .nb_align = AVF_ALIGN_RING_DESC,
 455         };
 456 }
 457
 458 static const uint32_t *
 459 avf_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 460 {
 461         static const uint32_t ptypes[] = {
 462                 RTE_PTYPE_L2_ETHER,
 463                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 464                 RTE_PTYPE_L4_FRAG,
 465                 RTE_PTYPE_L4_ICMP,
 466                 RTE_PTYPE_L4_NONFRAG,
 467                 RTE_PTYPE_L4_SCTP,
 468                 RTE_PTYPE_L4_TCP,
 469                 RTE_PTYPE_L4_UDP,
 470                 RTE_PTYPE_UNKNOWN
 471         };
 472         return ptypes;
 473 }
 474
 475 int
 476 avf_dev_link_update(struct rte_eth_dev *dev,
 477                     __rte_unused int wait_to_complete)
 478 {
 479         struct rte_eth_link new_link;
 480         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 481
 482         /* Only read status info stored in VF, and the info is updated
 483          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
 484          */
 485         switch (vf->link_speed) {
 486         case VIRTCHNL_LINK_SPEED_100MB:
 487                 new_link.link_speed = ETH_SPEED_NUM_100M;
 488                 break;
 489         case VIRTCHNL_LINK_SPEED_1GB:
 490                 new_link.link_speed = ETH_SPEED_NUM_1G;
 491                 break;
 492         case VIRTCHNL_LINK_SPEED_10GB:
 493                 new_link.link_speed = ETH_SPEED_NUM_10G;
 494                 break;
 495         case VIRTCHNL_LINK_SPEED_20GB:
 496                 new_link.link_speed = ETH_SPEED_NUM_20G;
 497                 break;
 498         case VIRTCHNL_LINK_SPEED_25GB:
 499                 new_link.link_speed = ETH_SPEED_NUM_25G;
 500                 break;
 501         case VIRTCHNL_LINK_SPEED_40GB:
 502                 new_link.link_speed = ETH_SPEED_NUM_40G;
 503                 break;
 504         default:
 505                 new_link.link_speed = ETH_SPEED_NUM_NONE;
 506                 break;
 507         }
 508
 509         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 510         new_link.link_status = vf->link_up ? ETH_LINK_UP :
 511                                              ETH_LINK_DOWN;
 512         new_link.link_autoneg = !!(dev->data->dev_conf.link_speeds &
 513                                 ETH_LINK_SPEED_FIXED);
 514
 515         rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
 516                             *(uint64_t *)&dev->data->dev_link,
 517                             *(uint64_t *)&new_link);
 518
 519         return 0;
 520 }
 521
 522 static void
 523 avf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 524 {
 525         struct avf_adapter *adapter =
 526                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 527         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 528         int ret;
 529
 530         if (vf->promisc_unicast_enabled)
 531                 return;
 532
 533         ret = avf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
 534         if (!ret)
 535                 vf->promisc_unicast_enabled = TRUE;
 536 }
 537
 538 static void
 539 avf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 540 {
 541         struct avf_adapter *adapter =
 542                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 543         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 544         int ret;
 545
 546         if (!vf->promisc_unicast_enabled)
 547                 return;
 548
 549         ret = avf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
 550         if (!ret)
 551                 vf->promisc_unicast_enabled = FALSE;
 552 }
 553
 554 static void
 555 avf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 556 {
 557         struct avf_adapter *adapter =
 558                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 559         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 560         int ret;
 561
 562         if (vf->promisc_multicast_enabled)
 563                 return;
 564
 565         ret = avf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
 566         if (!ret)
 567                 vf->promisc_multicast_enabled = TRUE;
 568 }
 569
 570 static void
 571 avf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 572 {
 573         struct avf_adapter *adapter =
 574                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 575         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 576         int ret;
 577
 578         if (!vf->promisc_multicast_enabled)
 579                 return;
 580
 581         ret = avf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
 582         if (!ret)
 583                 vf->promisc_multicast_enabled = FALSE;
 584 }
 585
 586 static int
 587 avf_dev_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr,
 588                      __rte_unused uint32_t index,
 589                      __rte_unused uint32_t pool)
 590 {
 591         struct avf_adapter *adapter =
 592                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 593         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 594         int err;
 595
 596         if (is_zero_ether_addr(addr)) {
 597                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
 598                 return -EINVAL;
 599         }
 600
 601         err = avf_add_del_eth_addr(adapter, addr, TRUE);
 602         if (err) {
 603                 PMD_DRV_LOG(ERR, "fail to add MAC address");
 604                 return -EIO;
 605         }
 606
 607         vf->mac_num++;
 608
 609         return 0;
 610 }
 611
 612 static void
 613 avf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 614 {
 615         struct avf_adapter *adapter =
 616                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 617         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 618         struct ether_addr *addr;
 619         int err;
 620
 621         addr = &dev->data->mac_addrs[index];
 622
 623         err = avf_add_del_eth_addr(adapter, addr, FALSE);
 624         if (err)
 625                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
 626
 627         vf->mac_num--;
 628 }
 629
 630 static int
 631 avf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 632 {
 633         struct avf_adapter *adapter =
 634                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 635         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 636         int err;
 637
 638         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 639                 return -ENOTSUP;
 640
 641         err = avf_add_del_vlan(adapter, vlan_id, on);
 642         if (err)
 643                 return -EIO;
 644         return 0;
 645 }
 646
 647 static int
 648 avf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 649 {
 650         struct avf_adapter *adapter =
 651                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 652         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 653         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 654         int err;
 655
 656         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
 657                 return -ENOTSUP;
 658
 659         /* Vlan stripping setting */
 660         if (mask & ETH_VLAN_STRIP_MASK) {
 661                 /* Enable or disable VLAN stripping */
 662                 if (dev_conf->rxmode.hw_vlan_strip)
 663                         err = avf_enable_vlan_strip(adapter);
 664                 else
 665                         err = avf_disable_vlan_strip(adapter);
 666         }
 667
 668         if (err)
 669                 return -EIO;
 670         return 0;
 671 }
 672
 673 static int
 674 avf_dev_rss_reta_update(struct rte_eth_dev *dev,
 675                         struct rte_eth_rss_reta_entry64 *reta_conf,
 676                         uint16_t reta_size)
 677 {
 678         struct avf_adapter *adapter =
 679                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 680         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 681         uint8_t *lut;
 682         uint16_t i, idx, shift;
 683         int ret;
 684
 685         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 686                 return -ENOTSUP;
 687
 688         if (reta_size != vf->vf_res->rss_lut_size) {
 689                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 690                         "(%d) doesn't match the number of hardware can "
 691                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 692                 return -EINVAL;
 693         }
 694
 695         lut = rte_zmalloc("rss_lut", reta_size, 0);
 696         if (!lut) {
 697                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 698                 return -ENOMEM;
 699         }
 700         /* store the old lut table temporarily */
 701         rte_memcpy(lut, vf->rss_lut, reta_size);
 702
 703         for (i = 0; i < reta_size; i++) {
 704                 idx = i / RTE_RETA_GROUP_SIZE;
 705                 shift = i % RTE_RETA_GROUP_SIZE;
 706                 if (reta_conf[idx].mask & (1ULL << shift))
 707                         lut[i] = reta_conf[idx].reta[shift];
 708         }
 709
 710         rte_memcpy(vf->rss_lut, lut, reta_size);
 711         /* send virtchnnl ops to configure rss*/
 712         ret = avf_configure_rss_lut(adapter);
 713         if (ret) /* revert back */
 714                 rte_memcpy(vf->rss_lut, lut, reta_size);
 715         rte_free(lut);
 716
 717         return ret;
 718 }
 719
 720 static int
 721 avf_dev_rss_reta_query(struct rte_eth_dev *dev,
 722                        struct rte_eth_rss_reta_entry64 *reta_conf,
 723                        uint16_t reta_size)
 724 {
 725         struct avf_adapter *adapter =
 726                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 727         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 728         uint16_t i, idx, shift;
 729
 730         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 731                 return -ENOTSUP;
 732
 733         if (reta_size != vf->vf_res->rss_lut_size) {
 734                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
 735                         "(%d) doesn't match the number of hardware can "
 736                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
 737                 return -EINVAL;
 738         }
 739
 740         for (i = 0; i < reta_size; i++) {
 741                 idx = i / RTE_RETA_GROUP_SIZE;
 742                 shift = i % RTE_RETA_GROUP_SIZE;
 743                 if (reta_conf[idx].mask & (1ULL << shift))
 744                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
 745         }
 746
 747         return 0;
 748 }
 749
 750 static int
 751 avf_dev_rss_hash_update(struct rte_eth_dev *dev,
 752                         struct rte_eth_rss_conf *rss_conf)
 753 {
 754         struct avf_adapter *adapter =
 755                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 756         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 757
 758         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 759                 return -ENOTSUP;
 760
 761         /* HENA setting, it is enabled by default, no change */
 762         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 763                 PMD_DRV_LOG(DEBUG, "No key to be configured");
 764                 return 0;
 765         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
 766                 PMD_DRV_LOG(ERR, "The size of hash key configured "
 767                         "(%d) doesn't match the size of hardware can "
 768                         "support (%d)", rss_conf->rss_key_len,
 769                         vf->vf_res->rss_key_size);
 770                 return -EINVAL;
 771         }
 772
 773         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 774
 775         return avf_configure_rss_key(adapter);
 776 }
 777
 778 static int
 779 avf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 780                           struct rte_eth_rss_conf *rss_conf)
 781 {
 782         struct avf_adapter *adapter =
 783                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 784         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
 785
 786         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 787                 return -ENOTSUP;
 788
 789          /* Just set it to default value now. */
 790         rss_conf->rss_hf = AVF_RSS_OFFLOAD_ALL;
 791
 792         if (!rss_conf->rss_key)
 793                 return 0;
 794
 795         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
 796         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
 797
 798         return 0;
 799 }
 800
 801 static int
 802 avf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 803 {
 804         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 805         uint32_t frame_size = mtu + AVF_ETH_OVERHEAD;
 806         int ret = 0;
 807
 808         if (mtu < ETHER_MIN_MTU || frame_size > AVF_FRAME_SIZE_MAX)
 809                 return -EINVAL;
 810
 811         /* mtu setting is forbidden if port is start */
 812         if (dev->data->dev_started) {
 813                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
 814                 return -EBUSY;
 815         }
 816
 817         if (frame_size > ETHER_MAX_LEN)
 818                 dev->data->dev_conf.rxmode.offloads |=
 819                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 820         else
 821                 dev->data->dev_conf.rxmode.offloads &=
 822                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 823
 824         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 825
 826         return ret;
 827 }
 828
 829 static void
 830 avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
 831                              struct ether_addr *mac_addr)
 832 {
 833         struct avf_adapter *adapter =
 834                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 835         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
 836         struct ether_addr *perm_addr, *old_addr;
 837         int ret;
 838
 839         old_addr = (struct ether_addr *)hw->mac.addr;
 840         perm_addr = (struct ether_addr *)hw->mac.perm_addr;
 841
 842         if (is_same_ether_addr(mac_addr, old_addr))
 843                 return;
 844
 845         /* If the MAC address is configured by host, skip the setting */
 846         if (is_valid_assigned_ether_addr(perm_addr))
 847                 return;
 848
 849         ret = avf_add_del_eth_addr(adapter, old_addr, FALSE);
 850         if (ret)
 851                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
 852                             " %02X:%02X:%02X:%02X:%02X:%02X",
 853                             old_addr->addr_bytes[0],
 854                             old_addr->addr_bytes[1],
 855                             old_addr->addr_bytes[2],
 856                             old_addr->addr_bytes[3],
 857                             old_addr->addr_bytes[4],
 858                             old_addr->addr_bytes[5]);
 859
 860         ret = avf_add_del_eth_addr(adapter, mac_addr, TRUE);
 861         if (ret)
 862                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
 863                             " %02X:%02X:%02X:%02X:%02X:%02X",
 864                             mac_addr->addr_bytes[0],
 865                             mac_addr->addr_bytes[1],
 866                             mac_addr->addr_bytes[2],
 867                             mac_addr->addr_bytes[3],
 868                             mac_addr->addr_bytes[4],
 869                             mac_addr->addr_bytes[5]);
 870
 871         ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
 872 }
 873
 874 static int
 875 avf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 876 {
 877         struct avf_adapter *adapter =
 878                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 879         struct virtchnl_eth_stats *pstats = NULL;
 880         int ret;
 881
 882         ret = avf_query_stats(adapter, &pstats);
 883         if (ret == 0) {
 884                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
 885                                                 pstats->rx_broadcast;
 886                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
 887                                                 pstats->tx_unicast;
 888                 stats->imissed = pstats->rx_discards;
 889                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
 890                 stats->ibytes = pstats->rx_bytes;
 891                 stats->obytes = pstats->tx_bytes;
 892         } else {
 893                 PMD_DRV_LOG(ERR, "Get statistics failed");
 894         }
 895         return -EIO;
 896 }
 897
 898 static int
 899 avf_check_vf_reset_done(struct avf_hw *hw)
 900 {
 901         int i, reset;
 902
 903         for (i = 0; i < AVF_RESET_WAIT_CNT; i++) {
 904                 reset = AVF_READ_REG(hw, AVFGEN_RSTAT) &
 905                         AVFGEN_RSTAT_VFR_STATE_MASK;
 906                 reset = reset >> AVFGEN_RSTAT_VFR_STATE_SHIFT;
 907                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
 908                     reset == VIRTCHNL_VFR_COMPLETED)
 909                         break;
 910                 rte_delay_ms(20);
 911         }
 912
 913         if (i >= AVF_RESET_WAIT_CNT)
 914                 return -1;
 915
 916         return 0;
 917 }
 918
 919 static int
 920 avf_init_vf(struct rte_eth_dev *dev)
 921 {
 922         int i, err, bufsz;
 923         struct avf_adapter *adapter =
 924                 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 925         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 926         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 927
 928         err = avf_set_mac_type(hw);
 929         if (err) {
 930                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
 931                 goto err;
 932         }
 933
 934         err = avf_check_vf_reset_done(hw);
 935         if (err) {
 936                 PMD_INIT_LOG(ERR, "VF is still resetting");
 937                 goto err;
 938         }
 939
 940         avf_init_adminq_parameter(hw);
 941         err = avf_init_adminq(hw);
 942         if (err) {
 943                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
 944                 goto err;
 945         }
 946
 947         vf->aq_resp = rte_zmalloc("vf_aq_resp", AVF_AQ_BUF_SZ, 0);
 948         if (!vf->aq_resp) {
 949                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
 950                 goto err_aq;
 951         }
 952         if (avf_check_api_version(adapter) != 0) {
 953                 PMD_INIT_LOG(ERR, "check_api version failed");
 954                 goto err_api;
 955         }
 956
 957         bufsz = sizeof(struct virtchnl_vf_resource) +
 958                 (AVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
 959         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
 960         if (!vf->vf_res) {
 961                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
 962                 goto err_api;
 963         }
 964         if (avf_get_vf_resource(adapter) != 0) {
 965                 PMD_INIT_LOG(ERR, "avf_get_vf_config failed");
 966                 goto err_alloc;
 967         }
 968         /* Allocate memort for RSS info */
 969         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 970                 vf->rss_key = rte_zmalloc("rss_key",
 971                                           vf->vf_res->rss_key_size, 0);
 972                 if (!vf->rss_key) {
 973                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
 974                         goto err_rss;
 975                 }
 976                 vf->rss_lut = rte_zmalloc("rss_lut",
 977                                           vf->vf_res->rss_lut_size, 0);
 978                 if (!vf->rss_lut) {
 979                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
 980                         goto err_rss;
 981                 }
 982         }
 983         return 0;
 984 err_rss:
 985         rte_free(vf->rss_key);
 986         rte_free(vf->rss_lut);
 987 err_alloc:
 988         rte_free(vf->vf_res);
 989         vf->vsi_res = NULL;
 990 err_api:
 991         rte_free(vf->aq_resp);
 992 err_aq:
 993         avf_shutdown_adminq(hw);
 994 err:
 995         return -1;
 996 }
 997
 998 /* Enable default admin queue interrupt setting */
 999 static inline void
1000 avf_enable_irq0(struct avf_hw *hw)
1001 {
1002         /* Enable admin queue interrupt trigger */
1003         AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, AVFINT_ICR0_ENA1_ADMINQ_MASK);
1004
1005         AVF_WRITE_REG(hw, AVFINT_DYN_CTL01, AVFINT_DYN_CTL01_INTENA_MASK |
1006                                             AVFINT_DYN_CTL01_ITR_INDX_MASK);
1007
1008         AVF_WRITE_FLUSH(hw);
1009 }
1010
1011 static inline void
1012 avf_disable_irq0(struct avf_hw *hw)
1013 {
1014         /* Disable all interrupt types */
1015         AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, 0);
1016         AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
1017                       AVFINT_DYN_CTL01_ITR_INDX_MASK);
1018         AVF_WRITE_FLUSH(hw);
1019 }
1020
1021 static void
1022 avf_dev_interrupt_handler(void *param)
1023 {
1024         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1025         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1026
1027         avf_disable_irq0(hw);
1028
1029         avf_handle_virtchnl_msg(dev);
1030
1031 done:
1032         avf_enable_irq0(hw);
1033 }
1034
1035 static int
1036 avf_dev_init(struct rte_eth_dev *eth_dev)
1037 {
1038         struct avf_adapter *adapter =
1039                 AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1040         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
1041         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1042
1043         PMD_INIT_FUNC_TRACE();
1044
1045         /* assign ops func pointer */
1046         eth_dev->dev_ops = &avf_eth_dev_ops;
1047         eth_dev->rx_pkt_burst = &avf_recv_pkts;
1048         eth_dev->tx_pkt_burst = &avf_xmit_pkts;
1049         eth_dev->tx_pkt_prepare = &avf_prep_pkts;
1050
1051         /* For secondary processes, we don't initialise any further as primary
1052          * has already done this work. Only check if we need a different RX
1053          * and TX function.
1054          */
1055         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1056                 avf_set_rx_function(eth_dev);
1057                 avf_set_tx_function(eth_dev);
1058                 return 0;
1059         }
1060         rte_eth_copy_pci_info(eth_dev, pci_dev);
1061
1062         hw->vendor_id = pci_dev->id.vendor_id;
1063         hw->device_id = pci_dev->id.device_id;
1064         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1065         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1066         hw->bus.bus_id = pci_dev->addr.bus;
1067         hw->bus.device = pci_dev->addr.devid;
1068         hw->bus.func = pci_dev->addr.function;
1069         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1070         hw->back = AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1071         adapter->eth_dev = eth_dev;
1072
1073         if (avf_init_vf(eth_dev) != 0) {
1074                 PMD_INIT_LOG(ERR, "Init vf failed");
1075                 return -1;
1076         }
1077
1078         /* copy mac addr */
1079         eth_dev->data->mac_addrs = rte_zmalloc(
1080                                         "avf_mac",
1081                                         ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX,
1082                                         0);
1083         if (!eth_dev->data->mac_addrs) {
1084                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1085                              " store MAC addresses",
1086                              ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX);
1087                 return -ENOMEM;
1088         }
1089         /* If the MAC address is not configured by host,
1090          * generate a random one.
1091          */
1092         if (!is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1093                 eth_random_addr(hw->mac.addr);
1094         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1095                         &eth_dev->data->mac_addrs[0]);
1096
1097         /* register callback func to eal lib */
1098         rte_intr_callback_register(&pci_dev->intr_handle,
1099                                    avf_dev_interrupt_handler,
1100                                    (void *)eth_dev);
1101
1102         /* enable uio intr after callback register */
1103         rte_intr_enable(&pci_dev->intr_handle);
1104
1105         /* configure and enable device interrupt */
1106         avf_enable_irq0(hw);
1107
1108         return 0;
1109 }
1110
1111 static void
1112 avf_dev_close(struct rte_eth_dev *dev)
1113 {
1114         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1115         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1116         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1117
1118         avf_dev_stop(dev);
1119         avf_shutdown_adminq(hw);
1120         /* disable uio intr before callback unregister */
1121         rte_intr_disable(intr_handle);
1122
1123         /* unregister callback func from eal lib */
1124         rte_intr_callback_unregister(intr_handle,
1125                                      avf_dev_interrupt_handler, dev);
1126         avf_disable_irq0(hw);
1127 }
1128
1129 static int
1130 avf_dev_uninit(struct rte_eth_dev *dev)
1131 {
1132         struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1133         struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1134
1135         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1136                 return -EPERM;
1137
1138         dev->dev_ops = NULL;
1139         dev->rx_pkt_burst = NULL;
1140         dev->tx_pkt_burst = NULL;
1141         if (hw->adapter_stopped == 0)
1142                 avf_dev_close(dev);
1143
1144         rte_free(vf->vf_res);
1145         vf->vsi_res = NULL;
1146         vf->vf_res = NULL;
1147
1148         rte_free(vf->aq_resp);
1149         vf->aq_resp = NULL;
1150
1151         rte_free(dev->data->mac_addrs);
1152         dev->data->mac_addrs = NULL;
1153
1154         if (vf->rss_lut) {
1155                 rte_free(vf->rss_lut);
1156                 vf->rss_lut = NULL;
1157         }
1158         if (vf->rss_key) {
1159                 rte_free(vf->rss_key);
1160                 vf->rss_key = NULL;
1161         }
1162
1163         return 0;
1164 }
1165
1166 static int eth_avf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1167                              struct rte_pci_device *pci_dev)
1168 {
1169         return rte_eth_dev_pci_generic_probe(pci_dev,
1170                 sizeof(struct avf_adapter), avf_dev_init);
1171 }
1172
1173 static int eth_avf_pci_remove(struct rte_pci_device *pci_dev)
1174 {
1175         return rte_eth_dev_pci_generic_remove(pci_dev, avf_dev_uninit);
1176 }
1177
1178 /* Adaptive virtual function driver struct */
1179 static struct rte_pci_driver rte_avf_pmd = {
1180         .id_table = pci_id_avf_map,
1181         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
1182                      RTE_PCI_DRV_IOVA_AS_VA,
1183         .probe = eth_avf_pci_probe,
1184         .remove = eth_avf_pci_remove,
1185 };
1186
1187 RTE_PMD_REGISTER_PCI(net_avf, rte_avf_pmd);
1188 RTE_PMD_REGISTER_PCI_TABLE(net_avf, pci_id_avf_map);
1189 RTE_PMD_REGISTER_KMOD_DEP(net_avf, "* igb_uio | vfio-pci");
1190 RTE_INIT(avf_init_log);
1191 static void
1192 avf_init_log(void)
1193 {
1194         avf_logtype_init = rte_log_register("pmd.avf.init");
1195         if (avf_logtype_init >= 0)
1196                 rte_log_set_level(avf_logtype_init, RTE_LOG_NOTICE);
1197         avf_logtype_driver = rte_log_register("pmd.avf.driver");
1198         if (avf_logtype_driver >= 0)
1199                 rte_log_set_level(avf_logtype_driver, RTE_LOG_NOTICE);
1200 }
1201
1202 /* memory func for base code */
1203 enum avf_status_code
1204 avf_allocate_dma_mem_d(__rte_unused struct avf_hw *hw,
1205                        struct avf_dma_mem *mem,
1206                        u64 size,
1207                        u32 alignment)
1208 {
1209         const struct rte_memzone *mz = NULL;
1210         char z_name[RTE_MEMZONE_NAMESIZE];
1211
1212         if (!mem)
1213                 return AVF_ERR_PARAM;
1214
1215         snprintf(z_name, sizeof(z_name), "avf_dma_%"PRIu64, rte_rand());
1216         mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY, 0,
1217                                          alignment, RTE_PGSIZE_2M);
1218         if (!mz)
1219                 return AVF_ERR_NO_MEMORY;
1220
1221         mem->size = size;
1222         mem->va = mz->addr;
1223         mem->pa = mz->phys_addr;
1224         mem->zone = (const void *)mz;
1225         PMD_DRV_LOG(DEBUG,
1226                     "memzone %s allocated with physical address: %"PRIu64,
1227                     mz->name, mem->pa);
1228
1229         return AVF_SUCCESS;
1230 }
1231
1232 enum avf_status_code
1233 avf_free_dma_mem_d(__rte_unused struct avf_hw *hw,
1234                    struct avf_dma_mem *mem)
1235 {
1236         if (!mem)
1237                 return AVF_ERR_PARAM;
1238
1239         PMD_DRV_LOG(DEBUG,
1240                     "memzone %s to be freed with physical address: %"PRIu64,
1241                     ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1242         rte_memzone_free((const struct rte_memzone *)mem->zone);
1243         mem->zone = NULL;
1244         mem->va = NULL;
1245         mem->pa = (u64)0;
1246
1247         return AVF_SUCCESS;
1248 }
1249
1250 enum avf_status_code
1251 avf_allocate_virt_mem_d(__rte_unused struct avf_hw *hw,
1252                         struct avf_virt_mem *mem,
1253                         u32 size)
1254 {
1255         if (!mem)
1256                 return AVF_ERR_PARAM;
1257
1258         mem->size = size;
1259         mem->va = rte_zmalloc("avf", size, 0);
1260
1261         if (mem->va)
1262                 return AVF_SUCCESS;
1263         else
1264                 return AVF_ERR_NO_MEMORY;
1265 }
1266
1267 enum avf_status_code
1268 avf_free_virt_mem_d(__rte_unused struct avf_hw *hw,
1269                     struct avf_virt_mem *mem)
1270 {
1271         if (!mem)
1272                 return AVF_ERR_PARAM;
1273
1274         rte_free(mem->va);
1275         mem->va = NULL;
1276
1277         return AVF_SUCCESS;
1278 }