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_VLAN_INSERT |
  52                 DEV_TX_OFFLOAD_QINQ_INSERT |
  53                 DEV_TX_OFFLOAD_IPV4_CKSUM |
  54                 DEV_TX_OFFLOAD_UDP_CKSUM |
  55                 DEV_TX_OFFLOAD_TCP_CKSUM |
  56                 DEV_TX_OFFLOAD_SCTP_CKSUM |
  57                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
  58                 DEV_TX_OFFLOAD_TCP_TSO |
  59                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
  60                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
  61                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
  62                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO;
  63
  64         dev_info->default_rxconf = (struct rte_eth_rxconf) {
  65                 .rx_thresh = {
  66                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
  67                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
  68                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
  69                 },
  70                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
  71                 .rx_drop_en = 0,
  72                 .offloads = 0,
  73         };
  74
  75         dev_info->default_txconf = (struct rte_eth_txconf) {
  76                 .tx_thresh = {
  77                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
  78                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
  79                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
  80                 },
  81                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
  82                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
  83                 .offloads = 0,
  84         };
  85
  86         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
  87                 .nb_max = I40E_MAX_RING_DESC,
  88                 .nb_min = I40E_MIN_RING_DESC,
  89                 .nb_align = I40E_ALIGN_RING_DESC,
  90         };
  91
  92         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
  93                 .nb_max = I40E_MAX_RING_DESC,
  94                 .nb_min = I40E_MIN_RING_DESC,
  95                 .nb_align = I40E_ALIGN_RING_DESC,
  96         };
  97
  98         dev_info->switch_info.name =
  99                 representor->adapter->eth_dev->device->name;
 100         dev_info->switch_info.domain_id = representor->switch_domain_id;
 101         dev_info->switch_info.port_id = representor->vf_id;
 102 }
 103
 104 static int
 105 i40e_vf_representor_dev_configure(__rte_unused struct rte_eth_dev *dev)
 106 {
 107         return 0;
 108 }
 109
 110 static int
 111 i40e_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev)
 112 {
 113         return 0;
 114 }
 115
 116 static void
 117 i40e_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
 118 {
 119 }
 120
 121 static int
 122 i40e_vf_representor_rx_queue_setup(__rte_unused struct rte_eth_dev *dev,
 123         __rte_unused uint16_t rx_queue_id,
 124         __rte_unused uint16_t nb_rx_desc,
 125         __rte_unused unsigned int socket_id,
 126         __rte_unused const struct rte_eth_rxconf *rx_conf,
 127         __rte_unused struct rte_mempool *mb_pool)
 128 {
 129         return 0;
 130 }
 131
 132 static int
 133 i40e_vf_representor_tx_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_txconf *tx_conf)
 138 {
 139         return 0;
 140 }
 141
 142 static void
 143 i40evf_stat_update_48(uint64_t *offset,
 144                    uint64_t *stat)
 145 {
 146         if (*stat >= *offset)
 147                 *stat = *stat - *offset;
 148         else
 149                 *stat = (uint64_t)((*stat +
 150                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
 151
 152         *stat &= I40E_48_BIT_MASK;
 153 }
 154
 155 static void
 156 i40evf_stat_update_32(uint64_t *offset,
 157                    uint64_t *stat)
 158 {
 159         if (*stat >= *offset)
 160                 *stat = (uint64_t)(*stat - *offset);
 161         else
 162                 *stat = (uint64_t)((*stat +
 163                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
 164 }
 165
 166 static int
 167 rte_pmd_i40e_get_vf_native_stats(uint16_t port,
 168                           uint16_t vf_id,
 169                           struct i40e_eth_stats *stats)
 170 {
 171         struct rte_eth_dev *dev;
 172         struct i40e_pf *pf;
 173         struct i40e_vsi *vsi;
 174
 175         RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
 176
 177         dev = &rte_eth_devices[port];
 178
 179         if (!is_i40e_supported(dev))
 180                 return -ENOTSUP;
 181
 182         pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 183
 184         if (vf_id >= pf->vf_num || !pf->vfs) {
 185                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 186                 return -EINVAL;
 187         }
 188
 189         vsi = pf->vfs[vf_id].vsi;
 190         if (!vsi) {
 191                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 192                 return -EINVAL;
 193         }
 194
 195         i40e_update_vsi_stats(vsi);
 196         memcpy(stats, &vsi->eth_stats, sizeof(vsi->eth_stats));
 197
 198         return 0;
 199 }
 200
 201 static int
 202 i40e_vf_representor_stats_get(struct rte_eth_dev *ethdev,
 203                 struct rte_eth_stats *stats)
 204 {
 205         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 206         struct i40e_eth_stats native_stats;
 207         int ret;
 208
 209         ret = rte_pmd_i40e_get_vf_native_stats(
 210                 representor->adapter->eth_dev->data->port_id,
 211                 representor->vf_id, &native_stats);
 212         if (ret == 0) {
 213                 i40evf_stat_update_48(
 214                         &representor->stats_offset.rx_bytes,
 215                         &native_stats.rx_bytes);
 216                 i40evf_stat_update_48(
 217                         &representor->stats_offset.rx_unicast,
 218                         &native_stats.rx_unicast);
 219                 i40evf_stat_update_48(
 220                         &representor->stats_offset.rx_multicast,
 221                         &native_stats.rx_multicast);
 222                 i40evf_stat_update_48(
 223                         &representor->stats_offset.rx_broadcast,
 224                         &native_stats.rx_broadcast);
 225                 i40evf_stat_update_32(
 226                         &representor->stats_offset.rx_discards,
 227                         &native_stats.rx_discards);
 228                 i40evf_stat_update_32(
 229                         &representor->stats_offset.rx_unknown_protocol,
 230                         &native_stats.rx_unknown_protocol);
 231                 i40evf_stat_update_48(
 232                         &representor->stats_offset.tx_bytes,
 233                         &native_stats.tx_bytes);
 234                 i40evf_stat_update_48(
 235                         &representor->stats_offset.tx_unicast,
 236                         &native_stats.tx_unicast);
 237                 i40evf_stat_update_48(
 238                         &representor->stats_offset.tx_multicast,
 239                         &native_stats.tx_multicast);
 240                 i40evf_stat_update_48(
 241                         &representor->stats_offset.tx_broadcast,
 242                         &native_stats.tx_broadcast);
 243                 i40evf_stat_update_32(
 244                         &representor->stats_offset.tx_errors,
 245                         &native_stats.tx_errors);
 246                 i40evf_stat_update_32(
 247                         &representor->stats_offset.tx_discards,
 248                         &native_stats.tx_discards);
 249
 250                 stats->ipackets = native_stats.rx_unicast +
 251                         native_stats.rx_multicast +
 252                         native_stats.rx_broadcast;
 253                 stats->opackets = native_stats.tx_unicast +
 254                         native_stats.tx_multicast +
 255                         native_stats.tx_broadcast;
 256                 stats->ibytes   = native_stats.rx_bytes;
 257                 stats->obytes   = native_stats.tx_bytes;
 258                 stats->ierrors  = native_stats.rx_discards;
 259                 stats->oerrors  = native_stats.tx_errors + native_stats.tx_discards;
 260         }
 261         return ret;
 262 }
 263
 264 static void
 265 i40e_vf_representor_stats_reset(struct rte_eth_dev *ethdev)
 266 {
 267         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 268
 269         rte_pmd_i40e_get_vf_native_stats(
 270                 representor->adapter->eth_dev->data->port_id,
 271                 representor->vf_id, &representor->stats_offset);
 272 }
 273
 274 static void
 275 i40e_vf_representor_promiscuous_enable(struct rte_eth_dev *ethdev)
 276 {
 277         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 278
 279         rte_pmd_i40e_set_vf_unicast_promisc(
 280                 representor->adapter->eth_dev->data->port_id,
 281                 representor->vf_id, 1);
 282 }
 283
 284 static void
 285 i40e_vf_representor_promiscuous_disable(struct rte_eth_dev *ethdev)
 286 {
 287         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 288
 289         rte_pmd_i40e_set_vf_unicast_promisc(
 290                 representor->adapter->eth_dev->data->port_id,
 291                 representor->vf_id, 0);
 292 }
 293
 294 static void
 295 i40e_vf_representor_allmulticast_enable(struct rte_eth_dev *ethdev)
 296 {
 297         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 298
 299         rte_pmd_i40e_set_vf_multicast_promisc(
 300                 representor->adapter->eth_dev->data->port_id,
 301                 representor->vf_id,  1);
 302 }
 303
 304 static void
 305 i40e_vf_representor_allmulticast_disable(struct rte_eth_dev *ethdev)
 306 {
 307         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 308
 309         rte_pmd_i40e_set_vf_multicast_promisc(
 310                 representor->adapter->eth_dev->data->port_id,
 311                 representor->vf_id,  0);
 312 }
 313
 314 static void
 315 i40e_vf_representor_mac_addr_remove(struct rte_eth_dev *ethdev, uint32_t index)
 316 {
 317         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 318
 319         rte_pmd_i40e_remove_vf_mac_addr(
 320                 representor->adapter->eth_dev->data->port_id,
 321                 representor->vf_id, &ethdev->data->mac_addrs[index]);
 322 }
 323
 324 static int
 325 i40e_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
 326                 struct ether_addr *mac_addr)
 327 {
 328         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 329
 330         return rte_pmd_i40e_set_vf_mac_addr(
 331                 representor->adapter->eth_dev->data->port_id,
 332                 representor->vf_id, mac_addr);
 333 }
 334
 335 static int
 336 i40e_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
 337                 uint16_t vlan_id, int on)
 338 {
 339         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 340         uint64_t vf_mask = 1ULL << representor->vf_id;
 341
 342         return rte_pmd_i40e_set_vf_vlan_filter(
 343                 representor->adapter->eth_dev->data->port_id,
 344                 vlan_id, vf_mask, on);
 345 }
 346
 347 static int
 348 i40e_vf_representor_vlan_offload_set(struct rte_eth_dev *ethdev, int mask)
 349 {
 350         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 351         struct rte_eth_dev *pdev;
 352         struct i40e_pf_vf *vf;
 353         struct i40e_vsi *vsi;
 354         struct i40e_pf *pf;
 355         uint32_t vfid;
 356
 357         pdev = representor->adapter->eth_dev;
 358         vfid = representor->vf_id;
 359
 360         if (!is_i40e_supported(pdev)) {
 361                 PMD_DRV_LOG(ERR, "Invalid PF dev.");
 362                 return -EINVAL;
 363         }
 364
 365         pf = I40E_DEV_PRIVATE_TO_PF(pdev->data->dev_private);
 366
 367         if (vfid >= pf->vf_num || !pf->vfs) {
 368                 PMD_DRV_LOG(ERR, "Invalid VF ID.");
 369                 return -EINVAL;
 370         }
 371
 372         vf = &pf->vfs[vfid];
 373         vsi = vf->vsi;
 374         if (!vsi) {
 375                 PMD_DRV_LOG(ERR, "Invalid VSI.");
 376                 return -EINVAL;
 377         }
 378
 379         if (mask & ETH_VLAN_FILTER_MASK) {
 380                 /* Enable or disable VLAN filtering offload */
 381                 if (ethdev->data->dev_conf.rxmode.offloads &
 382                     DEV_RX_OFFLOAD_VLAN_FILTER)
 383                         return i40e_vsi_config_vlan_filter(vsi, TRUE);
 384                 else
 385                         return i40e_vsi_config_vlan_filter(vsi, FALSE);
 386         }
 387
 388         if (mask & ETH_VLAN_STRIP_MASK) {
 389                 /* Enable or disable VLAN stripping offload */
 390                 if (ethdev->data->dev_conf.rxmode.offloads &
 391                     DEV_RX_OFFLOAD_VLAN_STRIP)
 392                         return i40e_vsi_config_vlan_stripping(vsi, TRUE);
 393                 else
 394                         return i40e_vsi_config_vlan_stripping(vsi, FALSE);
 395         }
 396
 397         return -EINVAL;
 398 }
 399
 400 static void
 401 i40e_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
 402         __rte_unused uint16_t rx_queue_id, int on)
 403 {
 404         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 405
 406         rte_pmd_i40e_set_vf_vlan_stripq(
 407                 representor->adapter->eth_dev->data->port_id,
 408                 representor->vf_id, on);
 409 }
 410
 411 static int
 412 i40e_vf_representor_vlan_pvid_set(struct rte_eth_dev *ethdev, uint16_t vlan_id,
 413         __rte_unused int on)
 414 {
 415         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 416
 417         return rte_pmd_i40e_set_vf_vlan_insert(
 418                 representor->adapter->eth_dev->data->port_id,
 419                 representor->vf_id, vlan_id);
 420 }
 421
 422 struct eth_dev_ops i40e_representor_dev_ops = {
 423         .dev_infos_get        = i40e_vf_representor_dev_infos_get,
 424
 425         .dev_start            = i40e_vf_representor_dev_start,
 426         .dev_configure        = i40e_vf_representor_dev_configure,
 427         .dev_stop             = i40e_vf_representor_dev_stop,
 428
 429         .rx_queue_setup       = i40e_vf_representor_rx_queue_setup,
 430         .tx_queue_setup       = i40e_vf_representor_tx_queue_setup,
 431
 432         .link_update          = i40e_vf_representor_link_update,
 433
 434         .stats_get            = i40e_vf_representor_stats_get,
 435         .stats_reset          = i40e_vf_representor_stats_reset,
 436
 437         .promiscuous_enable   = i40e_vf_representor_promiscuous_enable,
 438         .promiscuous_disable  = i40e_vf_representor_promiscuous_disable,
 439
 440         .allmulticast_enable  = i40e_vf_representor_allmulticast_enable,
 441         .allmulticast_disable = i40e_vf_representor_allmulticast_disable,
 442
 443         .mac_addr_remove      = i40e_vf_representor_mac_addr_remove,
 444         .mac_addr_set         = i40e_vf_representor_mac_addr_set,
 445
 446         .vlan_filter_set      = i40e_vf_representor_vlan_filter_set,
 447         .vlan_offload_set     = i40e_vf_representor_vlan_offload_set,
 448         .vlan_strip_queue_set = i40e_vf_representor_vlan_strip_queue_set,
 449         .vlan_pvid_set        = i40e_vf_representor_vlan_pvid_set
 450
 451 };
 452
 453 static uint16_t
 454 i40e_vf_representor_rx_burst(__rte_unused void *rx_queue,
 455         __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
 456 {
 457         return 0;
 458 }
 459
 460 static uint16_t
 461 i40e_vf_representor_tx_burst(__rte_unused void *tx_queue,
 462         __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
 463 {
 464         return 0;
 465 }
 466
 467 int
 468 i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
 469 {
 470         struct i40e_vf_representor *representor = ethdev->data->dev_private;
 471
 472         struct i40e_pf *pf;
 473         struct i40e_pf_vf *vf;
 474         struct rte_eth_link *link;
 475
 476         representor->vf_id =
 477                 ((struct i40e_vf_representor *)init_params)->vf_id;
 478         representor->switch_domain_id =
 479                 ((struct i40e_vf_representor *)init_params)->switch_domain_id;
 480         representor->adapter =
 481                 ((struct i40e_vf_representor *)init_params)->adapter;
 482
 483         pf = I40E_DEV_PRIVATE_TO_PF(
 484                 representor->adapter->eth_dev->data->dev_private);
 485
 486         if (representor->vf_id >= pf->vf_num)
 487                 return -ENODEV;
 488
 489         /** representor shares the same driver as it's PF device */
 490         ethdev->device->driver = representor->adapter->eth_dev->device->driver;
 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
 510         /* Setting the number queues allocated to the VF */
 511         ethdev->data->nb_rx_queues = vf->vsi->nb_qps;
 512         ethdev->data->nb_tx_queues = vf->vsi->nb_qps;
 513
 514         ethdev->data->mac_addrs = &vf->mac_addr;
 515
 516         /* Link state. Inherited from PF */
 517         link = &representor->adapter->eth_dev->data->dev_link;
 518
 519         ethdev->data->dev_link.link_speed = link->link_speed;
 520         ethdev->data->dev_link.link_duplex = link->link_duplex;
 521         ethdev->data->dev_link.link_status = link->link_status;
 522         ethdev->data->dev_link.link_autoneg = link->link_autoneg;
 523
 524         return 0;
 525 }
 526
 527 int
 528 i40e_vf_representor_uninit(struct rte_eth_dev *ethdev __rte_unused)
 529 {
 530         return 0;
 531 }