drivers/net/ionic/ionic_ethdev.c

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
   3  */
   4
   5 #include <rte_pci.h>
   6 #include <rte_bus_pci.h>
   7 #include <rte_ethdev.h>
   8 #include <rte_ethdev_driver.h>
   9 #include <rte_malloc.h>
  10 #include <rte_ethdev_pci.h>
  11
  12 #include "ionic_logs.h"
  13 #include "ionic.h"
  14 #include "ionic_dev.h"
  15 #include "ionic_mac_api.h"
  16 #include "ionic_lif.h"
  17 #include "ionic_ethdev.h"
  18
  19 static int  eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
  20 static int  eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
  21 static int  ionic_dev_info_get(struct rte_eth_dev *eth_dev,
  22         struct rte_eth_dev_info *dev_info);
  23 static int  ionic_dev_configure(struct rte_eth_dev *dev);
  24 static int  ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  25 static int  ionic_dev_start(struct rte_eth_dev *dev);
  26 static void ionic_dev_stop(struct rte_eth_dev *dev);
  27 static void ionic_dev_close(struct rte_eth_dev *dev);
  28 static int  ionic_dev_set_link_up(struct rte_eth_dev *dev);
  29 static int  ionic_dev_set_link_down(struct rte_eth_dev *dev);
  30 static int  ionic_dev_link_update(struct rte_eth_dev *eth_dev,
  31         int wait_to_complete);
  32
  33 int ionic_logtype;
  34
  35 static const struct rte_pci_id pci_id_ionic_map[] = {
  36         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
  37         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
  38         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
  39         { .vendor_id = 0, /* sentinel */ },
  40 };
  41
  42 static const struct eth_dev_ops ionic_eth_dev_ops = {
  43         .dev_infos_get          = ionic_dev_info_get,
  44         .dev_configure          = ionic_dev_configure,
  45         .mtu_set                = ionic_dev_mtu_set,
  46         .dev_start              = ionic_dev_start,
  47         .dev_stop               = ionic_dev_stop,
  48         .dev_close              = ionic_dev_close,
  49         .link_update            = ionic_dev_link_update,
  50         .dev_set_link_up        = ionic_dev_set_link_up,
  51         .dev_set_link_down      = ionic_dev_set_link_down,
  52 };
  53
  54 /*
  55  * Set device link up, enable tx.
  56  */
  57 static int
  58 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
  59 {
  60         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
  61         struct ionic_adapter *adapter = lif->adapter;
  62         struct ionic_dev *idev = &adapter->idev;
  63         int err;
  64
  65         IONIC_PRINT_CALL();
  66
  67         ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_UP);
  68
  69         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
  70         if (err) {
  71                 IONIC_PRINT(WARNING, "Failed to bring port UP");
  72                 return err;
  73         }
  74
  75         return 0;
  76 }
  77
  78 /*
  79  * Set device link down, disable tx.
  80  */
  81 static int
  82 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
  83 {
  84         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
  85         struct ionic_adapter *adapter = lif->adapter;
  86         struct ionic_dev *idev = &adapter->idev;
  87         int err;
  88
  89         IONIC_PRINT_CALL();
  90
  91         ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_DOWN);
  92
  93         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
  94         if (err) {
  95                 IONIC_PRINT(WARNING, "Failed to bring port DOWN");
  96                 return err;
  97         }
  98
  99         return 0;
 100 }
 101
 102 static int
 103 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
 104                 int wait_to_complete __rte_unused)
 105 {
 106         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 107         struct ionic_adapter *adapter = lif->adapter;
 108         struct rte_eth_link link;
 109
 110         IONIC_PRINT_CALL();
 111
 112         /* Initialize */
 113         memset(&link, 0, sizeof(link));
 114         link.link_autoneg = ETH_LINK_AUTONEG;
 115
 116         if (!adapter->link_up) {
 117                 /* Interface is down */
 118                 link.link_status = ETH_LINK_DOWN;
 119                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 120                 link.link_speed = ETH_SPEED_NUM_NONE;
 121         } else {
 122                 /* Interface is up */
 123                 link.link_status = ETH_LINK_UP;
 124                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 125                 switch (adapter->link_speed) {
 126                 case  10000:
 127                         link.link_speed = ETH_SPEED_NUM_10G;
 128                         break;
 129                 case  25000:
 130                         link.link_speed = ETH_SPEED_NUM_25G;
 131                         break;
 132                 case  40000:
 133                         link.link_speed = ETH_SPEED_NUM_40G;
 134                         break;
 135                 case  50000:
 136                         link.link_speed = ETH_SPEED_NUM_50G;
 137                         break;
 138                 case 100000:
 139                         link.link_speed = ETH_SPEED_NUM_100G;
 140                         break;
 141                 default:
 142                         link.link_speed = ETH_SPEED_NUM_NONE;
 143                         break;
 144                 }
 145         }
 146
 147         return rte_eth_linkstatus_set(eth_dev, &link);
 148 }
 149
 150 /**
 151  * Interrupt handler triggered by NIC for handling
 152  * specific interrupt.
 153  *
 154  * @param param
 155  *  The address of parameter registered before.
 156  *
 157  * @return
 158  *  void
 159  */
 160 static void
 161 ionic_dev_interrupt_handler(void *param)
 162 {
 163         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
 164         uint32_t i;
 165
 166         IONIC_PRINT(DEBUG, "->");
 167
 168         for (i = 0; i < adapter->nlifs; i++) {
 169                 if (adapter->lifs[i])
 170                         ionic_notifyq_handler(adapter->lifs[i], -1);
 171         }
 172 }
 173
 174 static int
 175 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 176 {
 177         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 178         uint32_t max_frame_size;
 179         int err;
 180
 181         IONIC_PRINT_CALL();
 182
 183         /*
 184          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
 185          * is done by the the API.
 186          */
 187
 188         /*
 189          * Max frame size is MTU + Ethernet header + VLAN + QinQ
 190          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
 191          */
 192         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
 193
 194         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
 195                 return -EINVAL;
 196
 197         err = ionic_lif_change_mtu(lif, mtu);
 198         if (err)
 199                 return err;
 200
 201         return 0;
 202 }
 203
 204 static int
 205 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
 206                 struct rte_eth_dev_info *dev_info)
 207 {
 208         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 209         struct ionic_adapter *adapter = lif->adapter;
 210         struct ionic_identity *ident = &adapter->ident;
 211
 212         IONIC_PRINT_CALL();
 213
 214         dev_info->max_rx_queues = (uint16_t)
 215                 ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
 216         dev_info->max_tx_queues = (uint16_t)
 217                 ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
 218         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 219         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 220         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 221         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 222         dev_info->min_mtu = IONIC_MIN_MTU;
 223         dev_info->max_mtu = IONIC_MAX_MTU;
 224
 225         dev_info->speed_capa =
 226                 ETH_LINK_SPEED_10G |
 227                 ETH_LINK_SPEED_25G |
 228                 ETH_LINK_SPEED_40G |
 229                 ETH_LINK_SPEED_50G |
 230                 ETH_LINK_SPEED_100G;
 231
 232         return 0;
 233 }
 234
 235 static int
 236 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 237 {
 238         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 239         int err;
 240
 241         IONIC_PRINT_CALL();
 242
 243         err = ionic_lif_configure(lif);
 244         if (err) {
 245                 IONIC_PRINT(ERR, "Cannot configure LIF: %d", err);
 246                 return err;
 247         }
 248
 249         return 0;
 250 }
 251
 252 static inline uint32_t
 253 ionic_parse_link_speeds(uint16_t link_speeds)
 254 {
 255         if (link_speeds & ETH_LINK_SPEED_100G)
 256                 return 100000;
 257         else if (link_speeds & ETH_LINK_SPEED_50G)
 258                 return 50000;
 259         else if (link_speeds & ETH_LINK_SPEED_40G)
 260                 return 40000;
 261         else if (link_speeds & ETH_LINK_SPEED_25G)
 262                 return 25000;
 263         else if (link_speeds & ETH_LINK_SPEED_10G)
 264                 return 10000;
 265         else
 266                 return 0;
 267 }
 268
 269 /*
 270  * Configure device link speed and setup link.
 271  * It returns 0 on success.
 272  */
 273 static int
 274 ionic_dev_start(struct rte_eth_dev *eth_dev)
 275 {
 276         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 277         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 278         struct ionic_adapter *adapter = lif->adapter;
 279         struct ionic_dev *idev = &adapter->idev;
 280         uint32_t allowed_speeds;
 281         int err;
 282
 283         IONIC_PRINT_CALL();
 284
 285         allowed_speeds =
 286                 ETH_LINK_SPEED_FIXED |
 287                 ETH_LINK_SPEED_10G |
 288                 ETH_LINK_SPEED_25G |
 289                 ETH_LINK_SPEED_40G |
 290                 ETH_LINK_SPEED_50G |
 291                 ETH_LINK_SPEED_100G;
 292
 293         if (dev_conf->link_speeds & ~allowed_speeds) {
 294                 IONIC_PRINT(ERR, "Invalid link setting");
 295                 return -EINVAL;
 296         }
 297
 298         err = ionic_lif_start(lif);
 299         if (err) {
 300                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 301                 return err;
 302         }
 303
 304         if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
 305                 uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 306
 307                 if (speed)
 308                         ionic_dev_cmd_port_speed(idev, speed);
 309         }
 310
 311         ionic_dev_link_update(eth_dev, 0);
 312
 313         return 0;
 314 }
 315
 316 /*
 317  * Stop device: disable rx and tx functions to allow for reconfiguring.
 318  */
 319 static void
 320 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 321 {
 322         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 323         int err;
 324
 325         IONIC_PRINT_CALL();
 326
 327         err = ionic_lif_stop(lif);
 328         if (err)
 329                 IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
 330 }
 331
 332 /*
 333  * Reset and stop device.
 334  */
 335 static void
 336 ionic_dev_close(struct rte_eth_dev *eth_dev)
 337 {
 338         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 339         int err;
 340
 341         IONIC_PRINT_CALL();
 342
 343         err = ionic_lif_stop(lif);
 344         if (err) {
 345                 IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
 346                 return;
 347         }
 348
 349         err = eth_ionic_dev_uninit(eth_dev);
 350         if (err) {
 351                 IONIC_PRINT(ERR, "Cannot destroy LIF: %d", err);
 352                 return;
 353         }
 354 }
 355
 356 static int
 357 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 358 {
 359         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 360         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 361         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 362         int err;
 363
 364         IONIC_PRINT_CALL();
 365
 366         eth_dev->dev_ops = &ionic_eth_dev_ops;
 367
 368         /* Multi-process not supported, primary does initialization anyway */
 369         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 370                 return 0;
 371
 372         rte_eth_copy_pci_info(eth_dev, pci_dev);
 373
 374         lif->index = adapter->nlifs;
 375         lif->eth_dev = eth_dev;
 376         lif->adapter = adapter;
 377         adapter->lifs[adapter->nlifs] = lif;
 378
 379         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
 380                 adapter->max_mac_addrs);
 381
 382         /* Allocate memory for storing MAC addresses */
 383         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
 384                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
 385
 386         if (eth_dev->data->mac_addrs == NULL) {
 387                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
 388                         "store MAC addresses",
 389                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
 390                 err = -ENOMEM;
 391                 goto err;
 392         }
 393
 394         err = ionic_lif_alloc(lif);
 395         if (err) {
 396                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
 397                         err);
 398                 goto err;
 399         }
 400
 401         err = ionic_lif_init(lif);
 402         if (err) {
 403                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
 404                 goto err_free_lif;
 405         }
 406
 407         /* Copy the MAC address */
 408         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
 409                 &eth_dev->data->mac_addrs[0]);
 410
 411         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
 412
 413         return 0;
 414
 415 err_free_lif:
 416         ionic_lif_free(lif);
 417 err:
 418         return err;
 419 }
 420
 421 static int
 422 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
 423 {
 424         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 425         struct ionic_adapter *adapter = lif->adapter;
 426
 427         IONIC_PRINT_CALL();
 428
 429         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 430                 return 0;
 431
 432         adapter->lifs[lif->index] = NULL;
 433
 434         ionic_lif_deinit(lif);
 435         ionic_lif_free(lif);
 436
 437         eth_dev->dev_ops = NULL;
 438
 439         return 0;
 440 }
 441
 442 static int
 443 ionic_configure_intr(struct ionic_adapter *adapter)
 444 {
 445         struct rte_pci_device *pci_dev = adapter->pci_dev;
 446         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 447         int err;
 448
 449         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
 450
 451         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
 452                 IONIC_PRINT(ERR, "Fail to create eventfd");
 453                 return -1;
 454         }
 455
 456         if (rte_intr_dp_is_en(intr_handle))
 457                 IONIC_PRINT(DEBUG,
 458                         "Packet I/O interrupt on datapath is enabled");
 459
 460         if (!intr_handle->intr_vec) {
 461                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
 462                         adapter->nintrs * sizeof(int), 0);
 463
 464                 if (!intr_handle->intr_vec) {
 465                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
 466                                 adapter->nintrs);
 467                         return -ENOMEM;
 468                 }
 469         }
 470
 471         err = rte_intr_callback_register(intr_handle,
 472                 ionic_dev_interrupt_handler,
 473                 adapter);
 474
 475         if (err) {
 476                 IONIC_PRINT(ERR,
 477                         "Failure registering interrupts handler (%d)",
 478                         err);
 479                 return err;
 480         }
 481
 482         /* enable intr mapping */
 483         err = rte_intr_enable(intr_handle);
 484
 485         if (err) {
 486                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
 487                 return err;
 488         }
 489
 490         return 0;
 491 }
 492
 493 static void
 494 ionic_unconfigure_intr(struct ionic_adapter *adapter)
 495 {
 496         struct rte_pci_device *pci_dev = adapter->pci_dev;
 497         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 498
 499         rte_intr_disable(intr_handle);
 500
 501         rte_intr_callback_unregister(intr_handle,
 502                 ionic_dev_interrupt_handler,
 503                 adapter);
 504 }
 505
 506 static int
 507 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 508                 struct rte_pci_device *pci_dev)
 509 {
 510         char name[RTE_ETH_NAME_MAX_LEN];
 511         struct rte_mem_resource *resource;
 512         struct ionic_adapter *adapter;
 513         struct ionic_hw *hw;
 514         unsigned long i;
 515         int err;
 516
 517         /* Check structs (trigger error at compilation time) */
 518         ionic_struct_size_checks();
 519
 520         /* Multi-process not supported */
 521         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 522                 err = -EPERM;
 523                 goto err;
 524         }
 525
 526         IONIC_PRINT(DEBUG, "Initializing device %s",
 527                 pci_dev->device.name);
 528
 529         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
 530         if (!adapter) {
 531                 IONIC_PRINT(ERR, "OOM");
 532                 err = -ENOMEM;
 533                 goto err;
 534         }
 535
 536         adapter->pci_dev = pci_dev;
 537         hw = &adapter->hw;
 538
 539         hw->device_id = pci_dev->id.device_id;
 540         hw->vendor_id = pci_dev->id.vendor_id;
 541
 542         err = ionic_init_mac(hw);
 543         if (err != 0) {
 544                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
 545                 err = -EIO;
 546                 goto err_free_adapter;
 547         }
 548
 549         adapter->is_mgmt_nic = (pci_dev->id.device_id == IONIC_DEV_ID_ETH_MGMT);
 550
 551         adapter->num_bars = 0;
 552         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
 553                 resource = &pci_dev->mem_resource[i];
 554                 if (resource->phys_addr == 0 || resource->len == 0)
 555                         continue;
 556                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
 557                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
 558                 adapter->bars[adapter->num_bars].len = resource->len;
 559                 adapter->num_bars++;
 560         }
 561
 562         /* Discover ionic dev resources */
 563
 564         err = ionic_setup(adapter);
 565         if (err) {
 566                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
 567                 goto err_free_adapter;
 568         }
 569
 570         err = ionic_identify(adapter);
 571         if (err) {
 572                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
 573                         err);
 574                 goto err_free_adapter;
 575         }
 576
 577         err = ionic_init(adapter);
 578         if (err) {
 579                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
 580                 goto err_free_adapter;
 581         }
 582
 583         /* Configure the ports */
 584         err = ionic_port_identify(adapter);
 585         if (err) {
 586                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
 587                         err);
 588                 goto err_free_adapter;
 589         }
 590
 591         err = ionic_port_init(adapter);
 592         if (err) {
 593                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
 594                 goto err_free_adapter;
 595         }
 596
 597         /* Configure LIFs */
 598         err = ionic_lif_identify(adapter);
 599         if (err) {
 600                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
 601                 goto err_free_adapter;
 602         }
 603
 604         /* Allocate and init LIFs */
 605         err = ionic_lifs_size(adapter);
 606         if (err) {
 607                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
 608                 goto err_free_adapter;
 609         }
 610
 611         adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
 612
 613         adapter->nlifs = 0;
 614         for (i = 0; i < adapter->ident.dev.nlifs; i++) {
 615                 snprintf(name, sizeof(name), "net_%s_lif_%lu",
 616                         pci_dev->device.name, i);
 617
 618                 err = rte_eth_dev_create(&pci_dev->device, name,
 619                         sizeof(struct ionic_lif),
 620                         NULL, NULL,
 621                         eth_ionic_dev_init, adapter);
 622                 if (err) {
 623                         IONIC_PRINT(ERR, "Cannot create eth device for "
 624                                 "ionic lif %s", name);
 625                         break;
 626                 }
 627
 628                 adapter->nlifs++;
 629         }
 630
 631         err = ionic_configure_intr(adapter);
 632
 633         if (err) {
 634                 IONIC_PRINT(ERR, "Failed to configure interrupts");
 635                 goto err_free_adapter;
 636         }
 637
 638         return 0;
 639
 640 err_free_adapter:
 641         rte_free(adapter);
 642 err:
 643         return err;
 644 }
 645
 646 static int
 647 eth_ionic_pci_remove(struct rte_pci_device *pci_dev __rte_unused)
 648 {
 649         char name[RTE_ETH_NAME_MAX_LEN];
 650         struct ionic_adapter *adapter = NULL;
 651         struct rte_eth_dev *eth_dev;
 652         struct ionic_lif *lif;
 653         uint32_t i;
 654
 655         /* Adapter lookup is using (the first) eth_dev name */
 656         snprintf(name, sizeof(name), "net_%s_lif_0",
 657                 pci_dev->device.name);
 658
 659         eth_dev = rte_eth_dev_allocated(name);
 660         if (eth_dev) {
 661                 lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 662                 adapter = lif->adapter;
 663         }
 664
 665         if (adapter) {
 666                 ionic_unconfigure_intr(adapter);
 667
 668                 for (i = 0; i < adapter->nlifs; i++) {
 669                         lif = adapter->lifs[i];
 670                         rte_eth_dev_destroy(lif->eth_dev, eth_ionic_dev_uninit);
 671                 }
 672
 673                 rte_free(adapter);
 674         }
 675
 676         return 0;
 677 }
 678
 679 static struct rte_pci_driver rte_ionic_pmd = {
 680         .id_table = pci_id_ionic_map,
 681         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 682         .probe = eth_ionic_pci_probe,
 683         .remove = eth_ionic_pci_remove,
 684 };
 685
 686 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
 687 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
 688 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
 689
 690 RTE_INIT(ionic_init_log)
 691 {
 692         ionic_logtype = rte_log_register("pmd.net.ionic");
 693         if (ionic_logtype >= 0)
 694                 rte_log_set_level(ionic_logtype, RTE_LOG_NOTICE);
 695 }