drivers/net/i40e/i40e_vf_representor.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation.
   3  */
   4
   5 #include <rte_bus_pci.h>
   6 #include <rte_ethdev.h>
   7 #include <rte_pci.h>
   8 #include <rte_malloc.h>
   9
  10 #include "rte_ethdev_driver.h"
  11 #include "base/i40e_type.h"
  12 #include "base/virtchnl.h"
  13 #include "i40e_ethdev.h"
  14 #include "i40e_rxtx.h"
  15 #include "rte_pmd_i40e.h"
  16
  17 static int
  18 i40e_vf_representor_link_update(struct rte_eth_dev *ethdev,
  19         int wait_to_complete)
  20 {
  21         struct i40e_vf_representor *representor = ethdev->data->dev_private;
  22
  23         return i40e_dev_link_update(representor->adapter->eth_dev,
  24                 wait_to_complete);
  25 }
  26 static int
  27 i40e_vf_representor_dev_infos_get(struct rte_eth_dev *ethdev,
  28         struct rte_eth_dev_info *dev_info)
  29 {
  30         struct i40e_vf_representor *representor = ethdev->data->dev_private;
  31
  32         /* get dev info for the vdev */
  33         dev_info->device = ethdev->device;
  34
  35         dev_info->max_rx_queues = ethdev->data->nb_rx_queues;
  36         dev_info->max_tx_queues = ethdev->data->nb_tx_queues;
  37
  38         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
  39         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
  40         dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
  41                 sizeof(uint32_t);
  42         dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
  43         dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
  44         dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
  45         dev_info->rx_offload_capa =
  46                 DEV_RX_OFFLOAD_VLAN_STRIP |
  47                 DEV_RX_OFFLOAD_QINQ_STRIP |
  48                 DEV_RX_OFFLOAD_IPV4_CKSUM |
  49                 DEV_RX_OFFLOAD_UDP_CKSUM |
  50                 DEV_RX_OFFLOAD_TCP_CKSUM |
  51                 DEV_RX_OFFLOAD_VLAN_FILTER;
  52         dev_info->tx_offload_capa =
  53                 DEV_TX_OFFLOAD_MULTI_SEGS  |
  54                 DEV_TX_OFFLOAD_VLAN_INSERT |
  55                 DEV_TX_OFFLOAD_QINQ_INSERT |
  56                 DEV_TX_OFFLOAD_IPV4_CKSUM |
  57                 DEV_TX_OFFLOAD_UDP_CKSUM |
  58                 DEV_TX_OFFLOAD_TCP_CKSUM |
  59                 DEV_TX_OFFLOAD_SCTP_CKSUM |
  60                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
  61                 DEV_TX_OFFLOAD_TCP_TSO |
  62                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
  63                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
  64                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
  65                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO;
  66
  67         dev_info->default_rxconf = (struct rte_eth_rxconf) {
  68                 .rx_thresh = {
  69                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
  70                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
  71                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
  72                 },
  73                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
  74                 .rx_drop_en = 0,
  75                 .offloads = 0,
  76         };
  77
  78         dev_info->default_txconf = (struct rte_eth_txconf) {
  79                 .tx_thresh = {
  80                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
  81                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
  82                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
  83                 },
  84                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
  85                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
  86                 .offloads = 0,
  87         };
  88
  89         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
  90                 .nb_max = I40E_MAX_RING_DESC,
  91                 .nb_min = I40E_MIN_RING_DESC,
  92                 .nb_align = I40E_ALIGN_RING_DESC,
  93         };
  94
  95         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
  96                 .nb_max = I40E_MAX_RING_DESC,
  97                 .nb_min = I40E_MIN_RING_DESC,
  98                 .nb_align = I40E_ALIGN_RING_DESC,
  99         };
 100
 101         dev_info->switch_info.name =
 102                 representor->adapter->eth_dev->device->name;
 103         dev_info->switch_info.domain_id = representor->switch_domain_id;
 104         dev_info->switch_info.port_id = representor->vf_id;
 105
 106         return 0;
 107 }
 108
 109 static int
 110 i40e_vf_representor_dev_configure(__rte_unused struct rte_eth_dev *dev)
 111 {
 112         return 0;
 113 }
 114
 115 static int
 116 i40e_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev)
 117 {
 118         return 0;
 119 }
 120
 121 static int
 122 i40e_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
 123 {
 124         return 0;
 125 }
 126
 127 static int
 128 i40e_vf_representor_rx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 129         __rte_unused uint16_t rx_queue_id,
 130         __rte_unused uint16_t nb_rx_desc,
 131         __rte_unused unsigned int socket_id,
 132         __rte_unused const struct rte_eth_rxconf *rx_conf,
 133         __rte_unused struct rte_mempool *mb_pool)
 134 {
 135         return 0;
 136 }
 137
 138 static int
 139 i40e_vf_representor_tx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 140         __rte_unused uint16_t rx_queue_id,
 141         __rte_unused uint16_t nb_rx_desc,
 142         __rte_unused unsigned int socket_id,
 143         __rte_unused const struct rte_eth_txconf *tx_conf)
 144 {
 145         return 0;
 146 }
 147
 148 static void
 149 i40evf_stat_update_48(uint64_t *offset,
 150                    uint64_t *stat)
 151 {
 152         if (*stat >= *offset)
 153                 *stat = *stat - *offset;
 154         else
 155                 *stat = (uint64_t)((*stat +
 156                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
 157
 158         *stat &= I40E_48_BIT_MASK;
 159 }
 160
 161 static void
 162 i40evf_stat_update_32(uint64_t *offset,
 163                    uint64_t *stat)
 164 {
 165         if (*stat >= *offset)
 166                 *stat = (uint64_t)(*stat - *offset);
 167         else
 168                 *stat = (uint64_t)((*stat +
 169                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
 170 }
 171
 172 static int
 173 rte_pmd_i40e_get_vf_native_stats(uint16_t port,
 174                           uint16_t vf_id,
 175                           struct i40e_eth_stats *stats)
 176 {
 177         struct rte_eth_dev *dev;
 178         struct i40e_pf *pf;
 179         struct i40e_vsi *vsi;
 180
 181         RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
 182
 183         dev = &rte_eth_devices[port];
 184
 185         if (!is_i40e_supported(dev))
 186                 return -ENOTSUP;
 187
 188         pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 189
 190         if (vf_id >= pf->vf_num || !pf->vfs) {
 191                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 192                 return -EINVAL;
 193         }
 194
 195         vsi = pf->vfs[vf_id].vsi;
 196         if (!vsi) {
 197                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 198                 return -EINVAL;
 199         }
 200
 201         i40e_update_vsi_stats(vsi);
 202         memcpy(stats, &vsi->eth_stats, sizeof(vsi->eth_stats));
 203
 204         return 0;
 205 }
 206
 207 static int
 208 i40e_vf_representor_stats_get(struct rte_eth_dev *ethdev,
 209                 struct rte_eth_stats *stats)
 210 {
 211         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 212         struct i40e_eth_stats native_stats;
 213         int ret;
 214
 215         ret = rte_pmd_i40e_get_vf_native_stats(
 216                 representor->adapter->eth_dev->data->port_id,
 217                 representor->vf_id, &native_stats);
 218         if (ret == 0) {
 219                 i40evf_stat_update_48(
 220                         &representor->stats_offset.rx_bytes,
 221                         &native_stats.rx_bytes);
 222                 i40evf_stat_update_48(
 223                         &representor->stats_offset.rx_unicast,
 224                         &native_stats.rx_unicast);
 225                 i40evf_stat_update_48(
 226                         &representor->stats_offset.rx_multicast,
 227                         &native_stats.rx_multicast);
 228                 i40evf_stat_update_48(
 229                         &representor->stats_offset.rx_broadcast,
 230                         &native_stats.rx_broadcast);
 231                 i40evf_stat_update_32(
 232                         &representor->stats_offset.rx_discards,
 233                         &native_stats.rx_discards);
 234                 i40evf_stat_update_32(
 235                         &representor->stats_offset.rx_unknown_protocol,
 236                         &native_stats.rx_unknown_protocol);
 237                 i40evf_stat_update_48(
 238                         &representor->stats_offset.tx_bytes,
 239                         &native_stats.tx_bytes);
 240                 i40evf_stat_update_48(
 241                         &representor->stats_offset.tx_unicast,
 242                         &native_stats.tx_unicast);
 243                 i40evf_stat_update_48(
 244                         &representor->stats_offset.tx_multicast,
 245                         &native_stats.tx_multicast);
 246                 i40evf_stat_update_48(
 247                         &representor->stats_offset.tx_broadcast,
 248                         &native_stats.tx_broadcast);
 249                 i40evf_stat_update_32(
 250                         &representor->stats_offset.tx_errors,
 251                         &native_stats.tx_errors);
 252                 i40evf_stat_update_32(
 253                         &representor->stats_offset.tx_discards,
 254                         &native_stats.tx_discards);
 255
 256                 stats->ipackets = native_stats.rx_unicast +
 257                         native_stats.rx_multicast +
 258                         native_stats.rx_broadcast;
 259                 stats->opackets = native_stats.tx_unicast +
 260                         native_stats.tx_multicast +
 261                         native_stats.tx_broadcast;
 262                 stats->ibytes   = native_stats.rx_bytes;
 263                 stats->obytes   = native_stats.tx_bytes;
 264                 stats->ierrors  = native_stats.rx_discards;
 265                 stats->oerrors  = native_stats.tx_errors + native_stats.tx_discards;
 266         }
 267         return ret;
 268 }
 269
 270 static int
 271 i40e_vf_representor_stats_reset(struct rte_eth_dev *ethdev)
 272 {
 273         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 274
 275         return rte_pmd_i40e_get_vf_native_stats(
 276                 representor->adapter->eth_dev->data->port_id,
 277                 representor->vf_id, &representor->stats_offset);
 278 }
 279
 280 static int
 281 i40e_vf_representor_promiscuous_enable(struct rte_eth_dev *ethdev)
 282 {
 283         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 284
 285         return rte_pmd_i40e_set_vf_unicast_promisc(
 286                 representor->adapter->eth_dev->data->port_id,
 287                 representor->vf_id, 1);
 288 }
 289
 290 static int
 291 i40e_vf_representor_promiscuous_disable(struct rte_eth_dev *ethdev)
 292 {
 293         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 294
 295         return rte_pmd_i40e_set_vf_unicast_promisc(
 296                 representor->adapter->eth_dev->data->port_id,
 297                 representor->vf_id, 0);
 298 }
 299
 300 static int
 301 i40e_vf_representor_allmulticast_enable(struct rte_eth_dev *ethdev)
 302 {
 303         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 304
 305         return rte_pmd_i40e_set_vf_multicast_promisc(
 306                 representor->adapter->eth_dev->data->port_id,
 307                 representor->vf_id,  1);
 308 }
 309
 310 static int
 311 i40e_vf_representor_allmulticast_disable(struct rte_eth_dev *ethdev)
 312 {
 313         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 314
 315         return rte_pmd_i40e_set_vf_multicast_promisc(
 316                 representor->adapter->eth_dev->data->port_id,
 317                 representor->vf_id,  0);
 318 }
 319
 320 static void
 321 i40e_vf_representor_mac_addr_remove(struct rte_eth_dev *ethdev, uint32_t index)
 322 {
 323         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 324
 325         rte_pmd_i40e_remove_vf_mac_addr(
 326                 representor->adapter->eth_dev->data->port_id,
 327                 representor->vf_id, &ethdev->data->mac_addrs[index]);
 328 }
 329
 330 static int
 331 i40e_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
 332                 struct rte_ether_addr *mac_addr)
 333 {
 334         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 335
 336         return rte_pmd_i40e_set_vf_mac_addr(
 337                 representor->adapter->eth_dev->data->port_id,
 338                 representor->vf_id, mac_addr);
 339 }
 340
 341 static int
 342 i40e_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
 343                 uint16_t vlan_id, int on)
 344 {
 345         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 346         uint64_t vf_mask = 1ULL << representor->vf_id;
 347
 348         return rte_pmd_i40e_set_vf_vlan_filter(
 349                 representor->adapter->eth_dev->data->port_id,
 350                 vlan_id, vf_mask, on);
 351 }
 352
 353 static int
 354 i40e_vf_representor_vlan_offload_set(struct rte_eth_dev *ethdev, int mask)
 355 {
 356         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 357         struct rte_eth_dev *pdev;
 358         struct i40e_pf_vf *vf;
 359         struct i40e_vsi *vsi;
 360         struct i40e_pf *pf;
 361         uint32_t vfid;
 362
 363         pdev = representor->adapter->eth_dev;
 364         vfid = representor->vf_id;
 365
 366         if (!is_i40e_supported(pdev)) {
 367                 PMD_DRV_LOG(ERR, "Invalid PF dev.");
 368                 return -EINVAL;
 369         }
 370
 371         pf = I40E_DEV_PRIVATE_TO_PF(pdev->data->dev_private);
 372
 373         if (vfid >= pf->vf_num || !pf->vfs) {
 374                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 375                 return -EINVAL;
 376         }
 377
 378         vf = &pf->vfs[vfid];
 379         vsi = vf->vsi;
 380         if (!vsi) {
 381                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 382                 return -EINVAL;
 383         }
 384
 385         if (mask & ETH_VLAN_FILTER_MASK) {
 386                 /* Enable or disable VLAN filtering offload */
 387                 if (ethdev->data->dev_conf.rxmode.offloads &
 388                     DEV_RX_OFFLOAD_VLAN_FILTER)
 389                         return i40e_vsi_config_vlan_filter(vsi, TRUE);
 390                 else
 391                         return i40e_vsi_config_vlan_filter(vsi, FALSE);
 392         }
 393
 394         if (mask & ETH_VLAN_STRIP_MASK) {
 395                 /* Enable or disable VLAN stripping offload */
 396                 if (ethdev->data->dev_conf.rxmode.offloads &
 397                     DEV_RX_OFFLOAD_VLAN_STRIP)
 398                         return i40e_vsi_config_vlan_stripping(vsi, TRUE);
 399                 else
 400                         return i40e_vsi_config_vlan_stripping(vsi, FALSE);
 401         }
 402
 403         return -EINVAL;
 404 }
 405
 406 static void
 407 i40e_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
 408         __rte_unused uint16_t rx_queue_id, int on)
 409 {
 410         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 411
 412         rte_pmd_i40e_set_vf_vlan_stripq(
 413                 representor->adapter->eth_dev->data->port_id,
 414                 representor->vf_id, on);
 415 }
 416
 417 static int
 418 i40e_vf_representor_vlan_pvid_set(struct rte_eth_dev *ethdev, uint16_t vlan_id,
 419         __rte_unused int on)
 420 {
 421         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 422
 423         return rte_pmd_i40e_set_vf_vlan_insert(
 424                 representor->adapter->eth_dev->data->port_id,
 425                 representor->vf_id, vlan_id);
 426 }
 427
 428 static const struct eth_dev_ops i40e_representor_dev_ops = {
 429         .dev_infos_get        = i40e_vf_representor_dev_infos_get,
 430
 431         .dev_start            = i40e_vf_representor_dev_start,
 432         .dev_configure        = i40e_vf_representor_dev_configure,
 433         .dev_stop             = i40e_vf_representor_dev_stop,
 434
 435         .rx_queue_setup       = i40e_vf_representor_rx_queue_setup,
 436         .tx_queue_setup       = i40e_vf_representor_tx_queue_setup,
 437
 438         .link_update          = i40e_vf_representor_link_update,
 439
 440         .stats_get            = i40e_vf_representor_stats_get,
 441         .stats_reset          = i40e_vf_representor_stats_reset,
 442
 443         .promiscuous_enable   = i40e_vf_representor_promiscuous_enable,
 444         .promiscuous_disable  = i40e_vf_representor_promiscuous_disable,
 445
 446         .allmulticast_enable  = i40e_vf_representor_allmulticast_enable,
 447         .allmulticast_disable = i40e_vf_representor_allmulticast_disable,
 448
 449         .mac_addr_remove      = i40e_vf_representor_mac_addr_remove,
 450         .mac_addr_set         = i40e_vf_representor_mac_addr_set,
 451
 452         .vlan_filter_set      = i40e_vf_representor_vlan_filter_set,
 453         .vlan_offload_set     = i40e_vf_representor_vlan_offload_set,
 454         .vlan_strip_queue_set = i40e_vf_representor_vlan_strip_queue_set,
 455         .vlan_pvid_set        = i40e_vf_representor_vlan_pvid_set
 456
 457 };
 458
 459 static uint16_t
 460 i40e_vf_representor_rx_burst(__rte_unused void *rx_queue,
 461         __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
 462 {
 463         return 0;
 464 }
 465
 466 static uint16_t
 467 i40e_vf_representor_tx_burst(__rte_unused void *tx_queue,
 468         __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
 469 {
 470         return 0;
 471 }
 472
 473 int
 474 i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
 475 {
 476         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 477
 478         struct i40e_pf *pf;
 479         struct i40e_pf_vf *vf;
 480         struct rte_eth_link *link;
 481
 482         representor->vf_id =
 483                 ((struct i40e_vf_representor *)init_params)->vf_id;
 484         representor->switch_domain_id =
 485                 ((struct i40e_vf_representor *)init_params)->switch_domain_id;
 486         representor->adapter =
 487                 ((struct i40e_vf_representor *)init_params)->adapter;
 488
 489         pf = I40E_DEV_PRIVATE_TO_PF(
 490                 representor->adapter->eth_dev->data->dev_private);
 491
 492         if (representor->vf_id >= pf->vf_num)
 493                 return -ENODEV;
 494
 495         /* Set representor device ops */
 496         ethdev->dev_ops = &i40e_representor_dev_ops;
 497
 498         /* No data-path, but need stub Rx/Tx functions to avoid crash
 499          * when testing with the likes of testpmd.
 500          */
 501         ethdev->rx_pkt_burst = i40e_vf_representor_rx_burst;
 502         ethdev->tx_pkt_burst = i40e_vf_representor_tx_burst;
 503
 504         vf = &pf->vfs[representor->vf_id];
 505
 506         if (!vf->vsi) {
 507                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 508                 return -ENODEV;
 509         }
 510
 511         ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR |
 512                                         RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
 513         ethdev->data->representor_id = representor->vf_id;
 514
 515         /* Setting the number queues allocated to the VF */
 516         ethdev->data->nb_rx_queues = vf->vsi->nb_qps;
 517         ethdev->data->nb_tx_queues = vf->vsi->nb_qps;
 518
 519         ethdev->data->mac_addrs = &vf->mac_addr;
 520
 521         /* Link state. Inherited from PF */
 522         link = &representor->adapter->eth_dev->data->dev_link;
 523
 524         ethdev->data->dev_link.link_speed = link->link_speed;
 525         ethdev->data->dev_link.link_duplex = link->link_duplex;
 526         ethdev->data->dev_link.link_status = link->link_status;
 527         ethdev->data->dev_link.link_autoneg = link->link_autoneg;
 528
 529         return 0;
 530 }
 531
 532 int
 533 i40e_vf_representor_uninit(struct rte_eth_dev *ethdev)
 534 {
 535         /* mac_addrs must not be freed because part of i40e_pf_vf */
 536         ethdev->data->mac_addrs = NULL;
 537
 538         return 0;
 539 }