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