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 "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         struct rte_eth_dev *dev =
  23                 &rte_eth_devices[representor->adapter->pf.dev_data->port_id];
  24
  25         return i40e_dev_link_update(dev, wait_to_complete);
  26 }
  27 static int
  28 i40e_vf_representor_dev_infos_get(struct rte_eth_dev *ethdev,
  29         struct rte_eth_dev_info *dev_info)
  30 {
  31         struct i40e_vf_representor *representor = ethdev->data->dev_private;
  32         struct rte_eth_dev_data *pf_dev_data =
  33                 representor->adapter->pf.dev_data;
  34
  35         /* get dev info for the vdev */
  36         dev_info->device = ethdev->device;
  37
  38         dev_info->dev_capa &= ~RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP;
  39
  40         dev_info->max_rx_queues = ethdev->data->nb_rx_queues;
  41         dev_info->max_tx_queues = ethdev->data->nb_tx_queues;
  42
  43         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
  44         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
  45         dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
  46                 sizeof(uint32_t);
  47         dev_info->reta_size = RTE_ETH_RSS_RETA_SIZE_64;
  48         dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
  49         dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
  50         dev_info->rx_offload_capa =
  51                 RTE_ETH_RX_OFFLOAD_VLAN_STRIP |
  52                 RTE_ETH_RX_OFFLOAD_QINQ_STRIP |
  53                 RTE_ETH_RX_OFFLOAD_IPV4_CKSUM |
  54                 RTE_ETH_RX_OFFLOAD_UDP_CKSUM |
  55                 RTE_ETH_RX_OFFLOAD_TCP_CKSUM |
  56                 RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
  57         dev_info->tx_offload_capa =
  58                 RTE_ETH_TX_OFFLOAD_MULTI_SEGS  |
  59                 RTE_ETH_TX_OFFLOAD_VLAN_INSERT |
  60                 RTE_ETH_TX_OFFLOAD_QINQ_INSERT |
  61                 RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
  62                 RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
  63                 RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
  64                 RTE_ETH_TX_OFFLOAD_SCTP_CKSUM |
  65                 RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM |
  66                 RTE_ETH_TX_OFFLOAD_TCP_TSO |
  67                 RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
  68                 RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO |
  69                 RTE_ETH_TX_OFFLOAD_IPIP_TNL_TSO |
  70                 RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO;
  71
  72         dev_info->default_rxconf = (struct rte_eth_rxconf) {
  73                 .rx_thresh = {
  74                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
  75                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
  76                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
  77                 },
  78                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
  79                 .rx_drop_en = 0,
  80                 .offloads = 0,
  81         };
  82
  83         dev_info->default_txconf = (struct rte_eth_txconf) {
  84                 .tx_thresh = {
  85                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
  86                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
  87                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
  88                 },
  89                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
  90                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
  91                 .offloads = 0,
  92         };
  93
  94         dev_info->rx_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->tx_desc_lim = (struct rte_eth_desc_lim) {
 101                 .nb_max = I40E_MAX_RING_DESC,
 102                 .nb_min = I40E_MIN_RING_DESC,
 103                 .nb_align = I40E_ALIGN_RING_DESC,
 104         };
 105
 106         dev_info->switch_info.name =
 107                 rte_eth_devices[pf_dev_data->port_id].device->name;
 108         dev_info->switch_info.domain_id = representor->switch_domain_id;
 109         dev_info->switch_info.port_id = representor->vf_id;
 110
 111         return 0;
 112 }
 113
 114 static int
 115 i40e_vf_representor_dev_configure(__rte_unused struct rte_eth_dev *dev)
 116 {
 117         return 0;
 118 }
 119
 120 static int
 121 i40e_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev)
 122 {
 123         return 0;
 124 }
 125
 126 static int
 127 i40e_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
 128 {
 129         return 0;
 130 }
 131
 132 static int
 133 i40e_vf_representor_rx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 134         __rte_unused uint16_t rx_queue_id,
 135         __rte_unused uint16_t nb_rx_desc,
 136         __rte_unused unsigned int socket_id,
 137         __rte_unused const struct rte_eth_rxconf *rx_conf,
 138         __rte_unused struct rte_mempool *mb_pool)
 139 {
 140         return 0;
 141 }
 142
 143 static int
 144 i40e_vf_representor_tx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 145         __rte_unused uint16_t rx_queue_id,
 146         __rte_unused uint16_t nb_rx_desc,
 147         __rte_unused unsigned int socket_id,
 148         __rte_unused const struct rte_eth_txconf *tx_conf)
 149 {
 150         return 0;
 151 }
 152
 153 static void
 154 i40evf_stat_update_48(uint64_t *offset,
 155                    uint64_t *stat)
 156 {
 157         if (*stat >= *offset)
 158                 *stat = *stat - *offset;
 159         else
 160                 *stat = (uint64_t)((*stat +
 161                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
 162
 163         *stat &= I40E_48_BIT_MASK;
 164 }
 165
 166 static void
 167 i40evf_stat_update_32(uint64_t *offset,
 168                    uint64_t *stat)
 169 {
 170         if (*stat >= *offset)
 171                 *stat = (uint64_t)(*stat - *offset);
 172         else
 173                 *stat = (uint64_t)((*stat +
 174                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
 175 }
 176
 177 static int
 178 rte_pmd_i40e_get_vf_native_stats(uint16_t port,
 179                           uint16_t vf_id,
 180                           struct i40e_eth_stats *stats)
 181 {
 182         struct rte_eth_dev *dev;
 183         struct i40e_pf *pf;
 184         struct i40e_vsi *vsi;
 185
 186         RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
 187
 188         dev = &rte_eth_devices[port];
 189
 190         if (!is_i40e_supported(dev))
 191                 return -ENOTSUP;
 192
 193         pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 194
 195         if (vf_id >= pf->vf_num || !pf->vfs) {
 196                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 197                 return -EINVAL;
 198         }
 199
 200         vsi = pf->vfs[vf_id].vsi;
 201         if (!vsi) {
 202                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 203                 return -EINVAL;
 204         }
 205
 206         i40e_update_vsi_stats(vsi);
 207         memcpy(stats, &vsi->eth_stats, sizeof(vsi->eth_stats));
 208
 209         return 0;
 210 }
 211
 212 static int
 213 i40e_vf_representor_stats_get(struct rte_eth_dev *ethdev,
 214                 struct rte_eth_stats *stats)
 215 {
 216         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 217         struct i40e_eth_stats native_stats;
 218         int ret;
 219
 220         ret = rte_pmd_i40e_get_vf_native_stats(
 221                 representor->adapter->pf.dev_data->port_id,
 222                 representor->vf_id, &native_stats);
 223         if (ret == 0) {
 224                 i40evf_stat_update_48(
 225                         &representor->stats_offset.rx_bytes,
 226                         &native_stats.rx_bytes);
 227                 i40evf_stat_update_48(
 228                         &representor->stats_offset.rx_unicast,
 229                         &native_stats.rx_unicast);
 230                 i40evf_stat_update_48(
 231                         &representor->stats_offset.rx_multicast,
 232                         &native_stats.rx_multicast);
 233                 i40evf_stat_update_48(
 234                         &representor->stats_offset.rx_broadcast,
 235                         &native_stats.rx_broadcast);
 236                 i40evf_stat_update_32(
 237                         &representor->stats_offset.rx_discards,
 238                         &native_stats.rx_discards);
 239                 i40evf_stat_update_32(
 240                         &representor->stats_offset.rx_unknown_protocol,
 241                         &native_stats.rx_unknown_protocol);
 242                 i40evf_stat_update_48(
 243                         &representor->stats_offset.tx_bytes,
 244                         &native_stats.tx_bytes);
 245                 i40evf_stat_update_48(
 246                         &representor->stats_offset.tx_unicast,
 247                         &native_stats.tx_unicast);
 248                 i40evf_stat_update_48(
 249                         &representor->stats_offset.tx_multicast,
 250                         &native_stats.tx_multicast);
 251                 i40evf_stat_update_48(
 252                         &representor->stats_offset.tx_broadcast,
 253                         &native_stats.tx_broadcast);
 254                 i40evf_stat_update_32(
 255                         &representor->stats_offset.tx_errors,
 256                         &native_stats.tx_errors);
 257                 i40evf_stat_update_32(
 258                         &representor->stats_offset.tx_discards,
 259                         &native_stats.tx_discards);
 260
 261                 stats->ipackets = native_stats.rx_unicast +
 262                         native_stats.rx_multicast +
 263                         native_stats.rx_broadcast;
 264                 stats->opackets = native_stats.tx_unicast +
 265                         native_stats.tx_multicast +
 266                         native_stats.tx_broadcast;
 267                 stats->ibytes   = native_stats.rx_bytes;
 268                 stats->obytes   = native_stats.tx_bytes;
 269                 stats->ierrors  = native_stats.rx_discards;
 270                 stats->oerrors  = native_stats.tx_errors + native_stats.tx_discards;
 271         }
 272         return ret;
 273 }
 274
 275 static int
 276 i40e_vf_representor_stats_reset(struct rte_eth_dev *ethdev)
 277 {
 278         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 279
 280         return rte_pmd_i40e_get_vf_native_stats(
 281                 representor->adapter->pf.dev_data->port_id,
 282                 representor->vf_id, &representor->stats_offset);
 283 }
 284
 285 static int
 286 i40e_vf_representor_promiscuous_enable(struct rte_eth_dev *ethdev)
 287 {
 288         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 289
 290         return rte_pmd_i40e_set_vf_unicast_promisc(
 291                 representor->adapter->pf.dev_data->port_id,
 292                 representor->vf_id, 1);
 293 }
 294
 295 static int
 296 i40e_vf_representor_promiscuous_disable(struct rte_eth_dev *ethdev)
 297 {
 298         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 299
 300         return rte_pmd_i40e_set_vf_unicast_promisc(
 301                 representor->adapter->pf.dev_data->port_id,
 302                 representor->vf_id, 0);
 303 }
 304
 305 static int
 306 i40e_vf_representor_allmulticast_enable(struct rte_eth_dev *ethdev)
 307 {
 308         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 309
 310         return rte_pmd_i40e_set_vf_multicast_promisc(
 311                 representor->adapter->pf.dev_data->port_id,
 312                 representor->vf_id,  1);
 313 }
 314
 315 static int
 316 i40e_vf_representor_allmulticast_disable(struct rte_eth_dev *ethdev)
 317 {
 318         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 319
 320         return rte_pmd_i40e_set_vf_multicast_promisc(
 321                 representor->adapter->pf.dev_data->port_id,
 322                 representor->vf_id,  0);
 323 }
 324
 325 static void
 326 i40e_vf_representor_mac_addr_remove(struct rte_eth_dev *ethdev, uint32_t index)
 327 {
 328         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 329
 330         rte_pmd_i40e_remove_vf_mac_addr(
 331                 representor->adapter->pf.dev_data->port_id,
 332                 representor->vf_id, &ethdev->data->mac_addrs[index]);
 333 }
 334
 335 static int
 336 i40e_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
 337                 struct rte_ether_addr *mac_addr)
 338 {
 339         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 340
 341         return rte_pmd_i40e_set_vf_mac_addr(
 342                 representor->adapter->pf.dev_data->port_id,
 343                 representor->vf_id, mac_addr);
 344 }
 345
 346 static int
 347 i40e_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
 348                 uint16_t vlan_id, int on)
 349 {
 350         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 351         uint64_t vf_mask = 1ULL << representor->vf_id;
 352
 353         return rte_pmd_i40e_set_vf_vlan_filter(
 354                 representor->adapter->pf.dev_data->port_id,
 355                 vlan_id, vf_mask, on);
 356 }
 357
 358 static int
 359 i40e_vf_representor_vlan_offload_set(struct rte_eth_dev *ethdev, int mask)
 360 {
 361         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 362         struct rte_eth_dev *pdev;
 363         struct i40e_pf_vf *vf;
 364         struct i40e_vsi *vsi;
 365         struct i40e_pf *pf;
 366         uint32_t vfid;
 367
 368         pdev = &rte_eth_devices[representor->adapter->pf.dev_data->port_id];
 369         vfid = representor->vf_id;
 370
 371         if (!is_i40e_supported(pdev)) {
 372                 PMD_DRV_LOG(ERR, "Invalid PF dev.");
 373                 return -EINVAL;
 374         }
 375
 376         pf = I40E_DEV_PRIVATE_TO_PF(pdev->data->dev_private);
 377
 378         if (vfid >= pf->vf_num || !pf->vfs) {
 379                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 380                 return -EINVAL;
 381         }
 382
 383         vf = &pf->vfs[vfid];
 384         vsi = vf->vsi;
 385         if (!vsi) {
 386                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 387                 return -EINVAL;
 388         }
 389
 390         if (mask & RTE_ETH_VLAN_FILTER_MASK) {
 391                 /* Enable or disable VLAN filtering offload */
 392                 if (ethdev->data->dev_conf.rxmode.offloads &
 393                     RTE_ETH_RX_OFFLOAD_VLAN_FILTER)
 394                         return i40e_vsi_config_vlan_filter(vsi, TRUE);
 395                 else
 396                         return i40e_vsi_config_vlan_filter(vsi, FALSE);
 397         }
 398
 399         if (mask & RTE_ETH_VLAN_STRIP_MASK) {
 400                 /* Enable or disable VLAN stripping offload */
 401                 if (ethdev->data->dev_conf.rxmode.offloads &
 402                     RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
 403                         return i40e_vsi_config_vlan_stripping(vsi, TRUE);
 404                 else
 405                         return i40e_vsi_config_vlan_stripping(vsi, FALSE);
 406         }
 407
 408         return -EINVAL;
 409 }
 410
 411 static void
 412 i40e_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
 413         __rte_unused uint16_t rx_queue_id, int on)
 414 {
 415         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 416
 417         rte_pmd_i40e_set_vf_vlan_stripq(
 418                 representor->adapter->pf.dev_data->port_id,
 419                 representor->vf_id, on);
 420 }
 421
 422 static int
 423 i40e_vf_representor_vlan_pvid_set(struct rte_eth_dev *ethdev, uint16_t vlan_id,
 424         __rte_unused int on)
 425 {
 426         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 427
 428         return rte_pmd_i40e_set_vf_vlan_insert(
 429                 representor->adapter->pf.dev_data->port_id,
 430                 representor->vf_id, vlan_id);
 431 }
 432
 433 static const struct eth_dev_ops i40e_representor_dev_ops = {
 434         .dev_infos_get        = i40e_vf_representor_dev_infos_get,
 435
 436         .dev_start            = i40e_vf_representor_dev_start,
 437         .dev_configure        = i40e_vf_representor_dev_configure,
 438         .dev_stop             = i40e_vf_representor_dev_stop,
 439
 440         .rx_queue_setup       = i40e_vf_representor_rx_queue_setup,
 441         .tx_queue_setup       = i40e_vf_representor_tx_queue_setup,
 442
 443         .link_update          = i40e_vf_representor_link_update,
 444
 445         .stats_get            = i40e_vf_representor_stats_get,
 446         .stats_reset          = i40e_vf_representor_stats_reset,
 447
 448         .promiscuous_enable   = i40e_vf_representor_promiscuous_enable,
 449         .promiscuous_disable  = i40e_vf_representor_promiscuous_disable,
 450
 451         .allmulticast_enable  = i40e_vf_representor_allmulticast_enable,
 452         .allmulticast_disable = i40e_vf_representor_allmulticast_disable,
 453
 454         .mac_addr_remove      = i40e_vf_representor_mac_addr_remove,
 455         .mac_addr_set         = i40e_vf_representor_mac_addr_set,
 456
 457         .vlan_filter_set      = i40e_vf_representor_vlan_filter_set,
 458         .vlan_offload_set     = i40e_vf_representor_vlan_offload_set,
 459         .vlan_strip_queue_set = i40e_vf_representor_vlan_strip_queue_set,
 460         .vlan_pvid_set        = i40e_vf_representor_vlan_pvid_set
 461
 462 };
 463
 464 static uint16_t
 465 i40e_vf_representor_rx_burst(__rte_unused void *rx_queue,
 466         __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
 467 {
 468         return 0;
 469 }
 470
 471 static uint16_t
 472 i40e_vf_representor_tx_burst(__rte_unused void *tx_queue,
 473         __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
 474 {
 475         return 0;
 476 }
 477
 478 int
 479 i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
 480 {
 481         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 482
 483         struct i40e_pf *pf;
 484         struct i40e_pf_vf *vf;
 485         struct rte_eth_link *link;
 486
 487         representor->vf_id =
 488                 ((struct i40e_vf_representor *)init_params)->vf_id;
 489         representor->switch_domain_id =
 490                 ((struct i40e_vf_representor *)init_params)->switch_domain_id;
 491         representor->adapter =
 492                 ((struct i40e_vf_representor *)init_params)->adapter;
 493
 494         pf = I40E_DEV_PRIVATE_TO_PF(
 495                 representor->adapter->pf.dev_data->dev_private);
 496
 497         if (representor->vf_id >= pf->vf_num)
 498                 return -ENODEV;
 499
 500         /* Set representor device ops */
 501         ethdev->dev_ops = &i40e_representor_dev_ops;
 502
 503         /* No data-path, but need stub Rx/Tx functions to avoid crash
 504          * when testing with the likes of testpmd.
 505          */
 506         ethdev->rx_pkt_burst = i40e_vf_representor_rx_burst;
 507         ethdev->tx_pkt_burst = i40e_vf_representor_tx_burst;
 508
 509         vf = &pf->vfs[representor->vf_id];
 510
 511         if (!vf->vsi) {
 512                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 513                 return -ENODEV;
 514         }
 515
 516         ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
 517         ethdev->data->representor_id = representor->vf_id;
 518         ethdev->data->backer_port_id = pf->dev_data->port_id;
 519
 520         /* Setting the number queues allocated to the VF */
 521         ethdev->data->nb_rx_queues = vf->vsi->nb_qps;
 522         ethdev->data->nb_tx_queues = vf->vsi->nb_qps;
 523
 524         ethdev->data->mac_addrs = &vf->mac_addr;
 525
 526         /* Link state. Inherited from PF */
 527         link = &representor->adapter->pf.dev_data->dev_link;
 528
 529         ethdev->data->dev_link.link_speed = link->link_speed;
 530         ethdev->data->dev_link.link_duplex = link->link_duplex;
 531         ethdev->data->dev_link.link_status = link->link_status;
 532         ethdev->data->dev_link.link_autoneg = link->link_autoneg;
 533
 534         return 0;
 535 }
 536
 537 int
 538 i40e_vf_representor_uninit(struct rte_eth_dev *ethdev)
 539 {
 540         /* mac_addrs must not be freed because part of i40e_pf_vf */
 541         ethdev->data->mac_addrs = NULL;
 542
 543         return 0;
 544 }