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 void
 122 i40e_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
 123 {
 124 }
 125
 126 static int
 127 i40e_vf_representor_rx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 128         __rte_unused uint16_t rx_queue_id,
 129         __rte_unused uint16_t nb_rx_desc,
 130         __rte_unused unsigned int socket_id,
 131         __rte_unused const struct rte_eth_rxconf *rx_conf,
 132         __rte_unused struct rte_mempool *mb_pool)
 133 {
 134         return 0;
 135 }
 136
 137 static int
 138 i40e_vf_representor_tx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 139         __rte_unused uint16_t rx_queue_id,
 140         __rte_unused uint16_t nb_rx_desc,
 141         __rte_unused unsigned int socket_id,
 142         __rte_unused const struct rte_eth_txconf *tx_conf)
 143 {
 144         return 0;
 145 }
 146
 147 static void
 148 i40evf_stat_update_48(uint64_t *offset,
 149                    uint64_t *stat)
 150 {
 151         if (*stat >= *offset)
 152                 *stat = *stat - *offset;
 153         else
 154                 *stat = (uint64_t)((*stat +
 155                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
 156
 157         *stat &= I40E_48_BIT_MASK;
 158 }
 159
 160 static void
 161 i40evf_stat_update_32(uint64_t *offset,
 162                    uint64_t *stat)
 163 {
 164         if (*stat >= *offset)
 165                 *stat = (uint64_t)(*stat - *offset);
 166         else
 167                 *stat = (uint64_t)((*stat +
 168                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
 169 }
 170
 171 static int
 172 rte_pmd_i40e_get_vf_native_stats(uint16_t port,
 173                           uint16_t vf_id,
 174                           struct i40e_eth_stats *stats)
 175 {
 176         struct rte_eth_dev *dev;
 177         struct i40e_pf *pf;
 178         struct i40e_vsi *vsi;
 179
 180         RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
 181
 182         dev = &rte_eth_devices[port];
 183
 184         if (!is_i40e_supported(dev))
 185                 return -ENOTSUP;
 186
 187         pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 188
 189         if (vf_id >= pf->vf_num || !pf->vfs) {
 190                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 191                 return -EINVAL;
 192         }
 193
 194         vsi = pf->vfs[vf_id].vsi;
 195         if (!vsi) {
 196                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 197                 return -EINVAL;
 198         }
 199
 200         i40e_update_vsi_stats(vsi);
 201         memcpy(stats, &vsi->eth_stats, sizeof(vsi->eth_stats));
 202
 203         return 0;
 204 }
 205
 206 static int
 207 i40e_vf_representor_stats_get(struct rte_eth_dev *ethdev,
 208                 struct rte_eth_stats *stats)
 209 {
 210         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 211         struct i40e_eth_stats native_stats;
 212         int ret;
 213
 214         ret = rte_pmd_i40e_get_vf_native_stats(
 215                 representor->adapter->eth_dev->data->port_id,
 216                 representor->vf_id, &native_stats);
 217         if (ret == 0) {
 218                 i40evf_stat_update_48(
 219                         &representor->stats_offset.rx_bytes,
 220                         &native_stats.rx_bytes);
 221                 i40evf_stat_update_48(
 222                         &representor->stats_offset.rx_unicast,
 223                         &native_stats.rx_unicast);
 224                 i40evf_stat_update_48(
 225                         &representor->stats_offset.rx_multicast,
 226                         &native_stats.rx_multicast);
 227                 i40evf_stat_update_48(
 228                         &representor->stats_offset.rx_broadcast,
 229                         &native_stats.rx_broadcast);
 230                 i40evf_stat_update_32(
 231                         &representor->stats_offset.rx_discards,
 232                         &native_stats.rx_discards);
 233                 i40evf_stat_update_32(
 234                         &representor->stats_offset.rx_unknown_protocol,
 235                         &native_stats.rx_unknown_protocol);
 236                 i40evf_stat_update_48(
 237                         &representor->stats_offset.tx_bytes,
 238                         &native_stats.tx_bytes);
 239                 i40evf_stat_update_48(
 240                         &representor->stats_offset.tx_unicast,
 241                         &native_stats.tx_unicast);
 242                 i40evf_stat_update_48(
 243                         &representor->stats_offset.tx_multicast,
 244                         &native_stats.tx_multicast);
 245                 i40evf_stat_update_48(
 246                         &representor->stats_offset.tx_broadcast,
 247                         &native_stats.tx_broadcast);
 248                 i40evf_stat_update_32(
 249                         &representor->stats_offset.tx_errors,
 250                         &native_stats.tx_errors);
 251                 i40evf_stat_update_32(
 252                         &representor->stats_offset.tx_discards,
 253                         &native_stats.tx_discards);
 254
 255                 stats->ipackets = native_stats.rx_unicast +
 256                         native_stats.rx_multicast +
 257                         native_stats.rx_broadcast;
 258                 stats->opackets = native_stats.tx_unicast +
 259                         native_stats.tx_multicast +
 260                         native_stats.tx_broadcast;
 261                 stats->ibytes   = native_stats.rx_bytes;
 262                 stats->obytes   = native_stats.tx_bytes;
 263                 stats->ierrors  = native_stats.rx_discards;
 264                 stats->oerrors  = native_stats.tx_errors + native_stats.tx_discards;
 265         }
 266         return ret;
 267 }
 268
 269 static int
 270 i40e_vf_representor_stats_reset(struct rte_eth_dev *ethdev)
 271 {
 272         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 273
 274         return rte_pmd_i40e_get_vf_native_stats(
 275                 representor->adapter->eth_dev->data->port_id,
 276                 representor->vf_id, &representor->stats_offset);
 277 }
 278
 279 static int
 280 i40e_vf_representor_promiscuous_enable(struct rte_eth_dev *ethdev)
 281 {
 282         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 283
 284         return rte_pmd_i40e_set_vf_unicast_promisc(
 285                 representor->adapter->eth_dev->data->port_id,
 286                 representor->vf_id, 1);
 287 }
 288
 289 static int
 290 i40e_vf_representor_promiscuous_disable(struct rte_eth_dev *ethdev)
 291 {
 292         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 293
 294         return rte_pmd_i40e_set_vf_unicast_promisc(
 295                 representor->adapter->eth_dev->data->port_id,
 296                 representor->vf_id, 0);
 297 }
 298
 299 static int
 300 i40e_vf_representor_allmulticast_enable(struct rte_eth_dev *ethdev)
 301 {
 302         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 303
 304         return rte_pmd_i40e_set_vf_multicast_promisc(
 305                 representor->adapter->eth_dev->data->port_id,
 306                 representor->vf_id,  1);
 307 }
 308
 309 static int
 310 i40e_vf_representor_allmulticast_disable(struct rte_eth_dev *ethdev)
 311 {
 312         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 313
 314         return rte_pmd_i40e_set_vf_multicast_promisc(
 315                 representor->adapter->eth_dev->data->port_id,
 316                 representor->vf_id,  0);
 317 }
 318
 319 static void
 320 i40e_vf_representor_mac_addr_remove(struct rte_eth_dev *ethdev, uint32_t index)
 321 {
 322         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 323
 324         rte_pmd_i40e_remove_vf_mac_addr(
 325                 representor->adapter->eth_dev->data->port_id,
 326                 representor->vf_id, &ethdev->data->mac_addrs[index]);
 327 }
 328
 329 static int
 330 i40e_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
 331                 struct rte_ether_addr *mac_addr)
 332 {
 333         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 334
 335         return rte_pmd_i40e_set_vf_mac_addr(
 336                 representor->adapter->eth_dev->data->port_id,
 337                 representor->vf_id, mac_addr);
 338 }
 339
 340 static int
 341 i40e_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
 342                 uint16_t vlan_id, int on)
 343 {
 344         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 345         uint64_t vf_mask = 1ULL << representor->vf_id;
 346
 347         return rte_pmd_i40e_set_vf_vlan_filter(
 348                 representor->adapter->eth_dev->data->port_id,
 349                 vlan_id, vf_mask, on);
 350 }
 351
 352 static int
 353 i40e_vf_representor_vlan_offload_set(struct rte_eth_dev *ethdev, int mask)
 354 {
 355         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 356         struct rte_eth_dev *pdev;
 357         struct i40e_pf_vf *vf;
 358         struct i40e_vsi *vsi;
 359         struct i40e_pf *pf;
 360         uint32_t vfid;
 361
 362         pdev = representor->adapter->eth_dev;
 363         vfid = representor->vf_id;
 364
 365         if (!is_i40e_supported(pdev)) {
 366                 PMD_DRV_LOG(ERR, "Invalid PF dev.");
 367                 return -EINVAL;
 368         }
 369
 370         pf = I40E_DEV_PRIVATE_TO_PF(pdev->data->dev_private);
 371
 372         if (vfid >= pf->vf_num || !pf->vfs) {
 373                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 374                 return -EINVAL;
 375         }
 376
 377         vf = &pf->vfs[vfid];
 378         vsi = vf->vsi;
 379         if (!vsi) {
 380                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 381                 return -EINVAL;
 382         }
 383
 384         if (mask & ETH_VLAN_FILTER_MASK) {
 385                 /* Enable or disable VLAN filtering offload */
 386                 if (ethdev->data->dev_conf.rxmode.offloads &
 387                     DEV_RX_OFFLOAD_VLAN_FILTER)
 388                         return i40e_vsi_config_vlan_filter(vsi, TRUE);
 389                 else
 390                         return i40e_vsi_config_vlan_filter(vsi, FALSE);
 391         }
 392
 393         if (mask & ETH_VLAN_STRIP_MASK) {
 394                 /* Enable or disable VLAN stripping offload */
 395                 if (ethdev->data->dev_conf.rxmode.offloads &
 396                     DEV_RX_OFFLOAD_VLAN_STRIP)
 397                         return i40e_vsi_config_vlan_stripping(vsi, TRUE);
 398                 else
 399                         return i40e_vsi_config_vlan_stripping(vsi, FALSE);
 400         }
 401
 402         return -EINVAL;
 403 }
 404
 405 static void
 406 i40e_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
 407         __rte_unused uint16_t rx_queue_id, int on)
 408 {
 409         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 410
 411         rte_pmd_i40e_set_vf_vlan_stripq(
 412                 representor->adapter->eth_dev->data->port_id,
 413                 representor->vf_id, on);
 414 }
 415
 416 static int
 417 i40e_vf_representor_vlan_pvid_set(struct rte_eth_dev *ethdev, uint16_t vlan_id,
 418         __rte_unused int on)
 419 {
 420         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 421
 422         return rte_pmd_i40e_set_vf_vlan_insert(
 423                 representor->adapter->eth_dev->data->port_id,
 424                 representor->vf_id, vlan_id);
 425 }
 426
 427 static const struct eth_dev_ops i40e_representor_dev_ops = {
 428         .dev_infos_get        = i40e_vf_representor_dev_infos_get,
 429
 430         .dev_start            = i40e_vf_representor_dev_start,
 431         .dev_configure        = i40e_vf_representor_dev_configure,
 432         .dev_stop             = i40e_vf_representor_dev_stop,
 433
 434         .rx_queue_setup       = i40e_vf_representor_rx_queue_setup,
 435         .tx_queue_setup       = i40e_vf_representor_tx_queue_setup,
 436
 437         .link_update          = i40e_vf_representor_link_update,
 438
 439         .stats_get            = i40e_vf_representor_stats_get,
 440         .stats_reset          = i40e_vf_representor_stats_reset,
 441
 442         .promiscuous_enable   = i40e_vf_representor_promiscuous_enable,
 443         .promiscuous_disable  = i40e_vf_representor_promiscuous_disable,
 444
 445         .allmulticast_enable  = i40e_vf_representor_allmulticast_enable,
 446         .allmulticast_disable = i40e_vf_representor_allmulticast_disable,
 447
 448         .mac_addr_remove      = i40e_vf_representor_mac_addr_remove,
 449         .mac_addr_set         = i40e_vf_representor_mac_addr_set,
 450
 451         .vlan_filter_set      = i40e_vf_representor_vlan_filter_set,
 452         .vlan_offload_set     = i40e_vf_representor_vlan_offload_set,
 453         .vlan_strip_queue_set = i40e_vf_representor_vlan_strip_queue_set,
 454         .vlan_pvid_set        = i40e_vf_representor_vlan_pvid_set
 455
 456 };
 457
 458 static uint16_t
 459 i40e_vf_representor_rx_burst(__rte_unused void *rx_queue,
 460         __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
 461 {
 462         return 0;
 463 }
 464
 465 static uint16_t
 466 i40e_vf_representor_tx_burst(__rte_unused void *tx_queue,
 467         __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
 468 {
 469         return 0;
 470 }
 471
 472 int
 473 i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
 474 {
 475         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 476
 477         struct i40e_pf *pf;
 478         struct i40e_pf_vf *vf;
 479         struct rte_eth_link *link;
 480
 481         representor->vf_id =
 482                 ((struct i40e_vf_representor *)init_params)->vf_id;
 483         representor->switch_domain_id =
 484                 ((struct i40e_vf_representor *)init_params)->switch_domain_id;
 485         representor->adapter =
 486                 ((struct i40e_vf_representor *)init_params)->adapter;
 487
 488         pf = I40E_DEV_PRIVATE_TO_PF(
 489                 representor->adapter->eth_dev->data->dev_private);
 490
 491         if (representor->vf_id >= pf->vf_num)
 492                 return -ENODEV;
 493
 494         /* Set representor device ops */
 495         ethdev->dev_ops = &i40e_representor_dev_ops;
 496
 497         /* No data-path, but need stub Rx/Tx functions to avoid crash
 498          * when testing with the likes of testpmd.
 499          */
 500         ethdev->rx_pkt_burst = i40e_vf_representor_rx_burst;
 501         ethdev->tx_pkt_burst = i40e_vf_representor_tx_burst;
 502
 503         vf = &pf->vfs[representor->vf_id];
 504
 505         if (!vf->vsi) {
 506                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 507                 return -ENODEV;
 508         }
 509
 510         ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
 511         ethdev->data->representor_id = representor->vf_id;
 512
 513         /* Setting the number queues allocated to the VF */
 514         ethdev->data->nb_rx_queues = vf->vsi->nb_qps;
 515         ethdev->data->nb_tx_queues = vf->vsi->nb_qps;
 516
 517         ethdev->data->mac_addrs = &vf->mac_addr;
 518
 519         /* Link state. Inherited from PF */
 520         link = &representor->adapter->eth_dev->data->dev_link;
 521
 522         ethdev->data->dev_link.link_speed = link->link_speed;
 523         ethdev->data->dev_link.link_duplex = link->link_duplex;
 524         ethdev->data->dev_link.link_status = link->link_status;
 525         ethdev->data->dev_link.link_autoneg = link->link_autoneg;
 526
 527         return 0;
 528 }
 529
 530 int
 531 i40e_vf_representor_uninit(struct rte_eth_dev *ethdev)
 532 {
 533         /* mac_addrs must not be freed because part of i40e_pf_vf */
 534         ethdev->data->mac_addrs = NULL;
 535
 536         return 0;
 537 }