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         .mac_addr_add           = ionic_dev_add_mac,
  53         .mac_addr_remove        = ionic_dev_remove_mac,
  54         .mac_addr_set           = ionic_dev_set_mac,
  55         .vlan_filter_set        = ionic_dev_vlan_filter_set,
  56         .promiscuous_enable     = ionic_dev_promiscuous_enable,
  57         .promiscuous_disable    = ionic_dev_promiscuous_disable,
  58         .allmulticast_enable    = ionic_dev_allmulticast_enable,
  59         .allmulticast_disable   = ionic_dev_allmulticast_disable,
  60 };
  61
  62 /*
  63  * Set device link up, enable tx.
  64  */
  65 static int
  66 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
  67 {
  68         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
  69         struct ionic_adapter *adapter = lif->adapter;
  70         struct ionic_dev *idev = &adapter->idev;
  71         int err;
  72
  73         IONIC_PRINT_CALL();
  74
  75         ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_UP);
  76
  77         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
  78         if (err) {
  79                 IONIC_PRINT(WARNING, "Failed to bring port UP");
  80                 return err;
  81         }
  82
  83         return 0;
  84 }
  85
  86 /*
  87  * Set device link down, disable tx.
  88  */
  89 static int
  90 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
  91 {
  92         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
  93         struct ionic_adapter *adapter = lif->adapter;
  94         struct ionic_dev *idev = &adapter->idev;
  95         int err;
  96
  97         IONIC_PRINT_CALL();
  98
  99         ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_DOWN);
 100
 101         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 102         if (err) {
 103                 IONIC_PRINT(WARNING, "Failed to bring port DOWN");
 104                 return err;
 105         }
 106
 107         return 0;
 108 }
 109
 110 static int
 111 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
 112                 int wait_to_complete __rte_unused)
 113 {
 114         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 115         struct ionic_adapter *adapter = lif->adapter;
 116         struct rte_eth_link link;
 117
 118         IONIC_PRINT_CALL();
 119
 120         /* Initialize */
 121         memset(&link, 0, sizeof(link));
 122         link.link_autoneg = ETH_LINK_AUTONEG;
 123
 124         if (!adapter->link_up) {
 125                 /* Interface is down */
 126                 link.link_status = ETH_LINK_DOWN;
 127                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 128                 link.link_speed = ETH_SPEED_NUM_NONE;
 129         } else {
 130                 /* Interface is up */
 131                 link.link_status = ETH_LINK_UP;
 132                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 133                 switch (adapter->link_speed) {
 134                 case  10000:
 135                         link.link_speed = ETH_SPEED_NUM_10G;
 136                         break;
 137                 case  25000:
 138                         link.link_speed = ETH_SPEED_NUM_25G;
 139                         break;
 140                 case  40000:
 141                         link.link_speed = ETH_SPEED_NUM_40G;
 142                         break;
 143                 case  50000:
 144                         link.link_speed = ETH_SPEED_NUM_50G;
 145                         break;
 146                 case 100000:
 147                         link.link_speed = ETH_SPEED_NUM_100G;
 148                         break;
 149                 default:
 150                         link.link_speed = ETH_SPEED_NUM_NONE;
 151                         break;
 152                 }
 153         }
 154
 155         return rte_eth_linkstatus_set(eth_dev, &link);
 156 }
 157
 158 /**
 159  * Interrupt handler triggered by NIC for handling
 160  * specific interrupt.
 161  *
 162  * @param param
 163  *  The address of parameter registered before.
 164  *
 165  * @return
 166  *  void
 167  */
 168 static void
 169 ionic_dev_interrupt_handler(void *param)
 170 {
 171         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
 172         uint32_t i;
 173
 174         IONIC_PRINT(DEBUG, "->");
 175
 176         for (i = 0; i < adapter->nlifs; i++) {
 177                 if (adapter->lifs[i])
 178                         ionic_notifyq_handler(adapter->lifs[i], -1);
 179         }
 180 }
 181
 182 static int
 183 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 184 {
 185         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 186         uint32_t max_frame_size;
 187         int err;
 188
 189         IONIC_PRINT_CALL();
 190
 191         /*
 192          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
 193          * is done by the the API.
 194          */
 195
 196         /*
 197          * Max frame size is MTU + Ethernet header + VLAN + QinQ
 198          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
 199          */
 200         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
 201
 202         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
 203                 return -EINVAL;
 204
 205         err = ionic_lif_change_mtu(lif, mtu);
 206         if (err)
 207                 return err;
 208
 209         return 0;
 210 }
 211
 212 static int
 213 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
 214                 struct rte_eth_dev_info *dev_info)
 215 {
 216         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 217         struct ionic_adapter *adapter = lif->adapter;
 218         struct ionic_identity *ident = &adapter->ident;
 219
 220         IONIC_PRINT_CALL();
 221
 222         dev_info->max_rx_queues = (uint16_t)
 223                 ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
 224         dev_info->max_tx_queues = (uint16_t)
 225                 ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
 226         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 227         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 228         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 229         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 230         dev_info->min_mtu = IONIC_MIN_MTU;
 231         dev_info->max_mtu = IONIC_MAX_MTU;
 232
 233         dev_info->speed_capa =
 234                 ETH_LINK_SPEED_10G |
 235                 ETH_LINK_SPEED_25G |
 236                 ETH_LINK_SPEED_40G |
 237                 ETH_LINK_SPEED_50G |
 238                 ETH_LINK_SPEED_100G;
 239
 240         return 0;
 241 }
 242
 243 static int
 244 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 245 {
 246         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 247         int err;
 248
 249         IONIC_PRINT_CALL();
 250
 251         err = ionic_lif_configure(lif);
 252         if (err) {
 253                 IONIC_PRINT(ERR, "Cannot configure LIF: %d", err);
 254                 return err;
 255         }
 256
 257         return 0;
 258 }
 259
 260 static inline uint32_t
 261 ionic_parse_link_speeds(uint16_t link_speeds)
 262 {
 263         if (link_speeds & ETH_LINK_SPEED_100G)
 264                 return 100000;
 265         else if (link_speeds & ETH_LINK_SPEED_50G)
 266                 return 50000;
 267         else if (link_speeds & ETH_LINK_SPEED_40G)
 268                 return 40000;
 269         else if (link_speeds & ETH_LINK_SPEED_25G)
 270                 return 25000;
 271         else if (link_speeds & ETH_LINK_SPEED_10G)
 272                 return 10000;
 273         else
 274                 return 0;
 275 }
 276
 277 /*
 278  * Configure device link speed and setup link.
 279  * It returns 0 on success.
 280  */
 281 static int
 282 ionic_dev_start(struct rte_eth_dev *eth_dev)
 283 {
 284         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 285         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 286         struct ionic_adapter *adapter = lif->adapter;
 287         struct ionic_dev *idev = &adapter->idev;
 288         uint32_t allowed_speeds;
 289         int err;
 290
 291         IONIC_PRINT_CALL();
 292
 293         allowed_speeds =
 294                 ETH_LINK_SPEED_FIXED |
 295                 ETH_LINK_SPEED_10G |
 296                 ETH_LINK_SPEED_25G |
 297                 ETH_LINK_SPEED_40G |
 298                 ETH_LINK_SPEED_50G |
 299                 ETH_LINK_SPEED_100G;
 300
 301         if (dev_conf->link_speeds & ~allowed_speeds) {
 302                 IONIC_PRINT(ERR, "Invalid link setting");
 303                 return -EINVAL;
 304         }
 305
 306         err = ionic_lif_start(lif);
 307         if (err) {
 308                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 309                 return err;
 310         }
 311
 312         if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
 313                 uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 314
 315                 if (speed)
 316                         ionic_dev_cmd_port_speed(idev, speed);
 317         }
 318
 319         ionic_dev_link_update(eth_dev, 0);
 320
 321         return 0;
 322 }
 323
 324 /*
 325  * Stop device: disable rx and tx functions to allow for reconfiguring.
 326  */
 327 static void
 328 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 329 {
 330         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 331         int err;
 332
 333         IONIC_PRINT_CALL();
 334
 335         err = ionic_lif_stop(lif);
 336         if (err)
 337                 IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
 338 }
 339
 340 /*
 341  * Reset and stop device.
 342  */
 343 static void
 344 ionic_dev_close(struct rte_eth_dev *eth_dev)
 345 {
 346         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 347         int err;
 348
 349         IONIC_PRINT_CALL();
 350
 351         err = ionic_lif_stop(lif);
 352         if (err) {
 353                 IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
 354                 return;
 355         }
 356
 357         err = eth_ionic_dev_uninit(eth_dev);
 358         if (err) {
 359                 IONIC_PRINT(ERR, "Cannot destroy LIF: %d", err);
 360                 return;
 361         }
 362 }
 363
 364 static int
 365 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 366 {
 367         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 368         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 369         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 370         int err;
 371
 372         IONIC_PRINT_CALL();
 373
 374         eth_dev->dev_ops = &ionic_eth_dev_ops;
 375
 376         /* Multi-process not supported, primary does initialization anyway */
 377         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 378                 return 0;
 379
 380         rte_eth_copy_pci_info(eth_dev, pci_dev);
 381
 382         lif->index = adapter->nlifs;
 383         lif->eth_dev = eth_dev;
 384         lif->adapter = adapter;
 385         adapter->lifs[adapter->nlifs] = lif;
 386
 387         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
 388                 adapter->max_mac_addrs);
 389
 390         /* Allocate memory for storing MAC addresses */
 391         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
 392                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
 393
 394         if (eth_dev->data->mac_addrs == NULL) {
 395                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
 396                         "store MAC addresses",
 397                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
 398                 err = -ENOMEM;
 399                 goto err;
 400         }
 401
 402         err = ionic_lif_alloc(lif);
 403         if (err) {
 404                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
 405                         err);
 406                 goto err;
 407         }
 408
 409         err = ionic_lif_init(lif);
 410         if (err) {
 411                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
 412                 goto err_free_lif;
 413         }
 414
 415         /* Copy the MAC address */
 416         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
 417                 &eth_dev->data->mac_addrs[0]);
 418
 419         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
 420
 421         return 0;
 422
 423 err_free_lif:
 424         ionic_lif_free(lif);
 425 err:
 426         return err;
 427 }
 428
 429 static int
 430 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
 431 {
 432         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 433         struct ionic_adapter *adapter = lif->adapter;
 434
 435         IONIC_PRINT_CALL();
 436
 437         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 438                 return 0;
 439
 440         adapter->lifs[lif->index] = NULL;
 441
 442         ionic_lif_deinit(lif);
 443         ionic_lif_free(lif);
 444
 445         eth_dev->dev_ops = NULL;
 446
 447         return 0;
 448 }
 449
 450 static int
 451 ionic_configure_intr(struct ionic_adapter *adapter)
 452 {
 453         struct rte_pci_device *pci_dev = adapter->pci_dev;
 454         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 455         int err;
 456
 457         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
 458
 459         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
 460                 IONIC_PRINT(ERR, "Fail to create eventfd");
 461                 return -1;
 462         }
 463
 464         if (rte_intr_dp_is_en(intr_handle))
 465                 IONIC_PRINT(DEBUG,
 466                         "Packet I/O interrupt on datapath is enabled");
 467
 468         if (!intr_handle->intr_vec) {
 469                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
 470                         adapter->nintrs * sizeof(int), 0);
 471
 472                 if (!intr_handle->intr_vec) {
 473                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
 474                                 adapter->nintrs);
 475                         return -ENOMEM;
 476                 }
 477         }
 478
 479         err = rte_intr_callback_register(intr_handle,
 480                 ionic_dev_interrupt_handler,
 481                 adapter);
 482
 483         if (err) {
 484                 IONIC_PRINT(ERR,
 485                         "Failure registering interrupts handler (%d)",
 486                         err);
 487                 return err;
 488         }
 489
 490         /* enable intr mapping */
 491         err = rte_intr_enable(intr_handle);
 492
 493         if (err) {
 494                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
 495                 return err;
 496         }
 497
 498         return 0;
 499 }
 500
 501 static void
 502 ionic_unconfigure_intr(struct ionic_adapter *adapter)
 503 {
 504         struct rte_pci_device *pci_dev = adapter->pci_dev;
 505         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 506
 507         rte_intr_disable(intr_handle);
 508
 509         rte_intr_callback_unregister(intr_handle,
 510                 ionic_dev_interrupt_handler,
 511                 adapter);
 512 }
 513
 514 static int
 515 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 516                 struct rte_pci_device *pci_dev)
 517 {
 518         char name[RTE_ETH_NAME_MAX_LEN];
 519         struct rte_mem_resource *resource;
 520         struct ionic_adapter *adapter;
 521         struct ionic_hw *hw;
 522         unsigned long i;
 523         int err;
 524
 525         /* Check structs (trigger error at compilation time) */
 526         ionic_struct_size_checks();
 527
 528         /* Multi-process not supported */
 529         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 530                 err = -EPERM;
 531                 goto err;
 532         }
 533
 534         IONIC_PRINT(DEBUG, "Initializing device %s",
 535                 pci_dev->device.name);
 536
 537         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
 538         if (!adapter) {
 539                 IONIC_PRINT(ERR, "OOM");
 540                 err = -ENOMEM;
 541                 goto err;
 542         }
 543
 544         adapter->pci_dev = pci_dev;
 545         hw = &adapter->hw;
 546
 547         hw->device_id = pci_dev->id.device_id;
 548         hw->vendor_id = pci_dev->id.vendor_id;
 549
 550         err = ionic_init_mac(hw);
 551         if (err != 0) {
 552                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
 553                 err = -EIO;
 554                 goto err_free_adapter;
 555         }
 556
 557         adapter->is_mgmt_nic = (pci_dev->id.device_id == IONIC_DEV_ID_ETH_MGMT);
 558
 559         adapter->num_bars = 0;
 560         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
 561                 resource = &pci_dev->mem_resource[i];
 562                 if (resource->phys_addr == 0 || resource->len == 0)
 563                         continue;
 564                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
 565                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
 566                 adapter->bars[adapter->num_bars].len = resource->len;
 567                 adapter->num_bars++;
 568         }
 569
 570         /* Discover ionic dev resources */
 571
 572         err = ionic_setup(adapter);
 573         if (err) {
 574                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
 575                 goto err_free_adapter;
 576         }
 577
 578         err = ionic_identify(adapter);
 579         if (err) {
 580                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
 581                         err);
 582                 goto err_free_adapter;
 583         }
 584
 585         err = ionic_init(adapter);
 586         if (err) {
 587                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
 588                 goto err_free_adapter;
 589         }
 590
 591         /* Configure the ports */
 592         err = ionic_port_identify(adapter);
 593         if (err) {
 594                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
 595                         err);
 596                 goto err_free_adapter;
 597         }
 598
 599         err = ionic_port_init(adapter);
 600         if (err) {
 601                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
 602                 goto err_free_adapter;
 603         }
 604
 605         /* Configure LIFs */
 606         err = ionic_lif_identify(adapter);
 607         if (err) {
 608                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
 609                 goto err_free_adapter;
 610         }
 611
 612         /* Allocate and init LIFs */
 613         err = ionic_lifs_size(adapter);
 614         if (err) {
 615                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
 616                 goto err_free_adapter;
 617         }
 618
 619         adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
 620
 621         adapter->nlifs = 0;
 622         for (i = 0; i < adapter->ident.dev.nlifs; i++) {
 623                 snprintf(name, sizeof(name), "net_%s_lif_%lu",
 624                         pci_dev->device.name, i);
 625
 626                 err = rte_eth_dev_create(&pci_dev->device, name,
 627                         sizeof(struct ionic_lif),
 628                         NULL, NULL,
 629                         eth_ionic_dev_init, adapter);
 630                 if (err) {
 631                         IONIC_PRINT(ERR, "Cannot create eth device for "
 632                                 "ionic lif %s", name);
 633                         break;
 634                 }
 635
 636                 adapter->nlifs++;
 637         }
 638
 639         err = ionic_configure_intr(adapter);
 640
 641         if (err) {
 642                 IONIC_PRINT(ERR, "Failed to configure interrupts");
 643                 goto err_free_adapter;
 644         }
 645
 646         return 0;
 647
 648 err_free_adapter:
 649         rte_free(adapter);
 650 err:
 651         return err;
 652 }
 653
 654 static int
 655 eth_ionic_pci_remove(struct rte_pci_device *pci_dev __rte_unused)
 656 {
 657         char name[RTE_ETH_NAME_MAX_LEN];
 658         struct ionic_adapter *adapter = NULL;
 659         struct rte_eth_dev *eth_dev;
 660         struct ionic_lif *lif;
 661         uint32_t i;
 662
 663         /* Adapter lookup is using (the first) eth_dev name */
 664         snprintf(name, sizeof(name), "net_%s_lif_0",
 665                 pci_dev->device.name);
 666
 667         eth_dev = rte_eth_dev_allocated(name);
 668         if (eth_dev) {
 669                 lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 670                 adapter = lif->adapter;
 671         }
 672
 673         if (adapter) {
 674                 ionic_unconfigure_intr(adapter);
 675
 676                 for (i = 0; i < adapter->nlifs; i++) {
 677                         lif = adapter->lifs[i];
 678                         rte_eth_dev_destroy(lif->eth_dev, eth_ionic_dev_uninit);
 679                 }
 680
 681                 rte_free(adapter);
 682         }
 683
 684         return 0;
 685 }
 686
 687 static struct rte_pci_driver rte_ionic_pmd = {
 688         .id_table = pci_id_ionic_map,
 689         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 690         .probe = eth_ionic_pci_probe,
 691         .remove = eth_ionic_pci_remove,
 692 };
 693
 694 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
 695 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
 696 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
 697
 698 RTE_INIT(ionic_init_log)
 699 {
 700         ionic_logtype = rte_log_register("pmd.net.ionic");
 701         if (ionic_logtype >= 0)
 702                 rte_log_set_level(ionic_logtype, RTE_LOG_NOTICE);
 703 }