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