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