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 static int  ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
  33         struct rte_eth_fc_conf *fc_conf);
  34 static int  ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
  35         struct rte_eth_fc_conf *fc_conf);
  36
  37 int ionic_logtype;
  38
  39 static const struct rte_pci_id pci_id_ionic_map[] = {
  40         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
  41         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
  42         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
  43         { .vendor_id = 0, /* sentinel */ },
  44 };
  45
  46 static const struct eth_dev_ops ionic_eth_dev_ops = {
  47         .dev_infos_get          = ionic_dev_info_get,
  48         .dev_configure          = ionic_dev_configure,
  49         .mtu_set                = ionic_dev_mtu_set,
  50         .dev_start              = ionic_dev_start,
  51         .dev_stop               = ionic_dev_stop,
  52         .dev_close              = ionic_dev_close,
  53         .link_update            = ionic_dev_link_update,
  54         .dev_set_link_up        = ionic_dev_set_link_up,
  55         .dev_set_link_down      = ionic_dev_set_link_down,
  56         .mac_addr_add           = ionic_dev_add_mac,
  57         .mac_addr_remove        = ionic_dev_remove_mac,
  58         .mac_addr_set           = ionic_dev_set_mac,
  59         .vlan_filter_set        = ionic_dev_vlan_filter_set,
  60         .promiscuous_enable     = ionic_dev_promiscuous_enable,
  61         .promiscuous_disable    = ionic_dev_promiscuous_disable,
  62         .allmulticast_enable    = ionic_dev_allmulticast_enable,
  63         .allmulticast_disable   = ionic_dev_allmulticast_disable,
  64         .flow_ctrl_get          = ionic_flow_ctrl_get,
  65         .flow_ctrl_set          = ionic_flow_ctrl_set,
  66 };
  67
  68 /*
  69  * Set device link up, enable tx.
  70  */
  71 static int
  72 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
  73 {
  74         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
  75         struct ionic_adapter *adapter = lif->adapter;
  76         struct ionic_dev *idev = &adapter->idev;
  77         int err;
  78
  79         IONIC_PRINT_CALL();
  80
  81         ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_UP);
  82
  83         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
  84         if (err) {
  85                 IONIC_PRINT(WARNING, "Failed to bring port UP");
  86                 return err;
  87         }
  88
  89         return 0;
  90 }
  91
  92 /*
  93  * Set device link down, disable tx.
  94  */
  95 static int
  96 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
  97 {
  98         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
  99         struct ionic_adapter *adapter = lif->adapter;
 100         struct ionic_dev *idev = &adapter->idev;
 101         int err;
 102
 103         IONIC_PRINT_CALL();
 104
 105         ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_DOWN);
 106
 107         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 108         if (err) {
 109                 IONIC_PRINT(WARNING, "Failed to bring port DOWN");
 110                 return err;
 111         }
 112
 113         return 0;
 114 }
 115
 116 static int
 117 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
 118                 int wait_to_complete __rte_unused)
 119 {
 120         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 121         struct ionic_adapter *adapter = lif->adapter;
 122         struct rte_eth_link link;
 123
 124         IONIC_PRINT_CALL();
 125
 126         /* Initialize */
 127         memset(&link, 0, sizeof(link));
 128         link.link_autoneg = ETH_LINK_AUTONEG;
 129
 130         if (!adapter->link_up) {
 131                 /* Interface is down */
 132                 link.link_status = ETH_LINK_DOWN;
 133                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 134                 link.link_speed = ETH_SPEED_NUM_NONE;
 135         } else {
 136                 /* Interface is up */
 137                 link.link_status = ETH_LINK_UP;
 138                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 139                 switch (adapter->link_speed) {
 140                 case  10000:
 141                         link.link_speed = ETH_SPEED_NUM_10G;
 142                         break;
 143                 case  25000:
 144                         link.link_speed = ETH_SPEED_NUM_25G;
 145                         break;
 146                 case  40000:
 147                         link.link_speed = ETH_SPEED_NUM_40G;
 148                         break;
 149                 case  50000:
 150                         link.link_speed = ETH_SPEED_NUM_50G;
 151                         break;
 152                 case 100000:
 153                         link.link_speed = ETH_SPEED_NUM_100G;
 154                         break;
 155                 default:
 156                         link.link_speed = ETH_SPEED_NUM_NONE;
 157                         break;
 158                 }
 159         }
 160
 161         return rte_eth_linkstatus_set(eth_dev, &link);
 162 }
 163
 164 /**
 165  * Interrupt handler triggered by NIC for handling
 166  * specific interrupt.
 167  *
 168  * @param param
 169  *  The address of parameter registered before.
 170  *
 171  * @return
 172  *  void
 173  */
 174 static void
 175 ionic_dev_interrupt_handler(void *param)
 176 {
 177         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
 178         uint32_t i;
 179
 180         IONIC_PRINT(DEBUG, "->");
 181
 182         for (i = 0; i < adapter->nlifs; i++) {
 183                 if (adapter->lifs[i])
 184                         ionic_notifyq_handler(adapter->lifs[i], -1);
 185         }
 186 }
 187
 188 static int
 189 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 190 {
 191         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 192         uint32_t max_frame_size;
 193         int err;
 194
 195         IONIC_PRINT_CALL();
 196
 197         /*
 198          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
 199          * is done by the the API.
 200          */
 201
 202         /*
 203          * Max frame size is MTU + Ethernet header + VLAN + QinQ
 204          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
 205          */
 206         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
 207
 208         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
 209                 return -EINVAL;
 210
 211         err = ionic_lif_change_mtu(lif, mtu);
 212         if (err)
 213                 return err;
 214
 215         return 0;
 216 }
 217
 218 static int
 219 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
 220                 struct rte_eth_dev_info *dev_info)
 221 {
 222         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 223         struct ionic_adapter *adapter = lif->adapter;
 224         struct ionic_identity *ident = &adapter->ident;
 225
 226         IONIC_PRINT_CALL();
 227
 228         dev_info->max_rx_queues = (uint16_t)
 229                 ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
 230         dev_info->max_tx_queues = (uint16_t)
 231                 ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
 232         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 233         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 234         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 235         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 236         dev_info->min_mtu = IONIC_MIN_MTU;
 237         dev_info->max_mtu = IONIC_MAX_MTU;
 238
 239         dev_info->speed_capa =
 240                 ETH_LINK_SPEED_10G |
 241                 ETH_LINK_SPEED_25G |
 242                 ETH_LINK_SPEED_40G |
 243                 ETH_LINK_SPEED_50G |
 244                 ETH_LINK_SPEED_100G;
 245
 246         return 0;
 247 }
 248
 249 static int
 250 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 251                 struct rte_eth_fc_conf *fc_conf)
 252 {
 253         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 254         struct ionic_adapter *adapter = lif->adapter;
 255         struct ionic_dev *idev = &adapter->idev;
 256
 257         if (idev->port_info) {
 258                 fc_conf->autoneg = idev->port_info->config.an_enable;
 259
 260                 if (idev->port_info->config.pause_type)
 261                         fc_conf->mode = RTE_FC_FULL;
 262                 else
 263                         fc_conf->mode = RTE_FC_NONE;
 264         }
 265
 266         return 0;
 267 }
 268
 269 static int
 270 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 271                 struct rte_eth_fc_conf *fc_conf)
 272 {
 273         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 274         struct ionic_adapter *adapter = lif->adapter;
 275         struct ionic_dev *idev = &adapter->idev;
 276         uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 277         uint8_t an_enable;
 278
 279         switch (fc_conf->mode) {
 280         case RTE_FC_NONE:
 281                 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 282                 break;
 283         case RTE_FC_FULL:
 284                 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
 285                 break;
 286         case RTE_FC_RX_PAUSE:
 287         case RTE_FC_TX_PAUSE:
 288                 return -ENOTSUP;
 289         }
 290
 291         an_enable = fc_conf->autoneg;
 292
 293         ionic_dev_cmd_port_pause(idev, pause_type);
 294         ionic_dev_cmd_port_autoneg(idev, an_enable);
 295
 296         return 0;
 297 }
 298
 299 static int
 300 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 301 {
 302         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 303         int err;
 304
 305         IONIC_PRINT_CALL();
 306
 307         err = ionic_lif_configure(lif);
 308         if (err) {
 309                 IONIC_PRINT(ERR, "Cannot configure LIF: %d", err);
 310                 return err;
 311         }
 312
 313         return 0;
 314 }
 315
 316 static inline uint32_t
 317 ionic_parse_link_speeds(uint16_t link_speeds)
 318 {
 319         if (link_speeds & ETH_LINK_SPEED_100G)
 320                 return 100000;
 321         else if (link_speeds & ETH_LINK_SPEED_50G)
 322                 return 50000;
 323         else if (link_speeds & ETH_LINK_SPEED_40G)
 324                 return 40000;
 325         else if (link_speeds & ETH_LINK_SPEED_25G)
 326                 return 25000;
 327         else if (link_speeds & ETH_LINK_SPEED_10G)
 328                 return 10000;
 329         else
 330                 return 0;
 331 }
 332
 333 /*
 334  * Configure device link speed and setup link.
 335  * It returns 0 on success.
 336  */
 337 static int
 338 ionic_dev_start(struct rte_eth_dev *eth_dev)
 339 {
 340         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 341         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 342         struct ionic_adapter *adapter = lif->adapter;
 343         struct ionic_dev *idev = &adapter->idev;
 344         uint32_t allowed_speeds;
 345         int err;
 346
 347         IONIC_PRINT_CALL();
 348
 349         allowed_speeds =
 350                 ETH_LINK_SPEED_FIXED |
 351                 ETH_LINK_SPEED_10G |
 352                 ETH_LINK_SPEED_25G |
 353                 ETH_LINK_SPEED_40G |
 354                 ETH_LINK_SPEED_50G |
 355                 ETH_LINK_SPEED_100G;
 356
 357         if (dev_conf->link_speeds & ~allowed_speeds) {
 358                 IONIC_PRINT(ERR, "Invalid link setting");
 359                 return -EINVAL;
 360         }
 361
 362         err = ionic_lif_start(lif);
 363         if (err) {
 364                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 365                 return err;
 366         }
 367
 368         if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
 369                 uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 370
 371                 if (speed)
 372                         ionic_dev_cmd_port_speed(idev, speed);
 373         }
 374
 375         ionic_dev_link_update(eth_dev, 0);
 376
 377         return 0;
 378 }
 379
 380 /*
 381  * Stop device: disable rx and tx functions to allow for reconfiguring.
 382  */
 383 static void
 384 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 385 {
 386         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 387         int err;
 388
 389         IONIC_PRINT_CALL();
 390
 391         err = ionic_lif_stop(lif);
 392         if (err)
 393                 IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
 394 }
 395
 396 /*
 397  * Reset and stop device.
 398  */
 399 static void
 400 ionic_dev_close(struct rte_eth_dev *eth_dev)
 401 {
 402         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 403         int err;
 404
 405         IONIC_PRINT_CALL();
 406
 407         err = ionic_lif_stop(lif);
 408         if (err) {
 409                 IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
 410                 return;
 411         }
 412
 413         err = eth_ionic_dev_uninit(eth_dev);
 414         if (err) {
 415                 IONIC_PRINT(ERR, "Cannot destroy LIF: %d", err);
 416                 return;
 417         }
 418 }
 419
 420 static int
 421 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 422 {
 423         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 424         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 425         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 426         int err;
 427
 428         IONIC_PRINT_CALL();
 429
 430         eth_dev->dev_ops = &ionic_eth_dev_ops;
 431
 432         /* Multi-process not supported, primary does initialization anyway */
 433         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 434                 return 0;
 435
 436         rte_eth_copy_pci_info(eth_dev, pci_dev);
 437
 438         lif->index = adapter->nlifs;
 439         lif->eth_dev = eth_dev;
 440         lif->adapter = adapter;
 441         adapter->lifs[adapter->nlifs] = lif;
 442
 443         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
 444                 adapter->max_mac_addrs);
 445
 446         /* Allocate memory for storing MAC addresses */
 447         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
 448                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
 449
 450         if (eth_dev->data->mac_addrs == NULL) {
 451                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
 452                         "store MAC addresses",
 453                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
 454                 err = -ENOMEM;
 455                 goto err;
 456         }
 457
 458         err = ionic_lif_alloc(lif);
 459         if (err) {
 460                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
 461                         err);
 462                 goto err;
 463         }
 464
 465         err = ionic_lif_init(lif);
 466         if (err) {
 467                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
 468                 goto err_free_lif;
 469         }
 470
 471         /* Copy the MAC address */
 472         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
 473                 &eth_dev->data->mac_addrs[0]);
 474
 475         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
 476
 477         return 0;
 478
 479 err_free_lif:
 480         ionic_lif_free(lif);
 481 err:
 482         return err;
 483 }
 484
 485 static int
 486 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
 487 {
 488         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 489         struct ionic_adapter *adapter = lif->adapter;
 490
 491         IONIC_PRINT_CALL();
 492
 493         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 494                 return 0;
 495
 496         adapter->lifs[lif->index] = NULL;
 497
 498         ionic_lif_deinit(lif);
 499         ionic_lif_free(lif);
 500
 501         eth_dev->dev_ops = NULL;
 502
 503         return 0;
 504 }
 505
 506 static int
 507 ionic_configure_intr(struct ionic_adapter *adapter)
 508 {
 509         struct rte_pci_device *pci_dev = adapter->pci_dev;
 510         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 511         int err;
 512
 513         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
 514
 515         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
 516                 IONIC_PRINT(ERR, "Fail to create eventfd");
 517                 return -1;
 518         }
 519
 520         if (rte_intr_dp_is_en(intr_handle))
 521                 IONIC_PRINT(DEBUG,
 522                         "Packet I/O interrupt on datapath is enabled");
 523
 524         if (!intr_handle->intr_vec) {
 525                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
 526                         adapter->nintrs * sizeof(int), 0);
 527
 528                 if (!intr_handle->intr_vec) {
 529                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
 530                                 adapter->nintrs);
 531                         return -ENOMEM;
 532                 }
 533         }
 534
 535         err = rte_intr_callback_register(intr_handle,
 536                 ionic_dev_interrupt_handler,
 537                 adapter);
 538
 539         if (err) {
 540                 IONIC_PRINT(ERR,
 541                         "Failure registering interrupts handler (%d)",
 542                         err);
 543                 return err;
 544         }
 545
 546         /* enable intr mapping */
 547         err = rte_intr_enable(intr_handle);
 548
 549         if (err) {
 550                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
 551                 return err;
 552         }
 553
 554         return 0;
 555 }
 556
 557 static void
 558 ionic_unconfigure_intr(struct ionic_adapter *adapter)
 559 {
 560         struct rte_pci_device *pci_dev = adapter->pci_dev;
 561         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 562
 563         rte_intr_disable(intr_handle);
 564
 565         rte_intr_callback_unregister(intr_handle,
 566                 ionic_dev_interrupt_handler,
 567                 adapter);
 568 }
 569
 570 static int
 571 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 572                 struct rte_pci_device *pci_dev)
 573 {
 574         char name[RTE_ETH_NAME_MAX_LEN];
 575         struct rte_mem_resource *resource;
 576         struct ionic_adapter *adapter;
 577         struct ionic_hw *hw;
 578         unsigned long i;
 579         int err;
 580
 581         /* Check structs (trigger error at compilation time) */
 582         ionic_struct_size_checks();
 583
 584         /* Multi-process not supported */
 585         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 586                 err = -EPERM;
 587                 goto err;
 588         }
 589
 590         IONIC_PRINT(DEBUG, "Initializing device %s",
 591                 pci_dev->device.name);
 592
 593         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
 594         if (!adapter) {
 595                 IONIC_PRINT(ERR, "OOM");
 596                 err = -ENOMEM;
 597                 goto err;
 598         }
 599
 600         adapter->pci_dev = pci_dev;
 601         hw = &adapter->hw;
 602
 603         hw->device_id = pci_dev->id.device_id;
 604         hw->vendor_id = pci_dev->id.vendor_id;
 605
 606         err = ionic_init_mac(hw);
 607         if (err != 0) {
 608                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
 609                 err = -EIO;
 610                 goto err_free_adapter;
 611         }
 612
 613         adapter->is_mgmt_nic = (pci_dev->id.device_id == IONIC_DEV_ID_ETH_MGMT);
 614
 615         adapter->num_bars = 0;
 616         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
 617                 resource = &pci_dev->mem_resource[i];
 618                 if (resource->phys_addr == 0 || resource->len == 0)
 619                         continue;
 620                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
 621                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
 622                 adapter->bars[adapter->num_bars].len = resource->len;
 623                 adapter->num_bars++;
 624         }
 625
 626         /* Discover ionic dev resources */
 627
 628         err = ionic_setup(adapter);
 629         if (err) {
 630                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
 631                 goto err_free_adapter;
 632         }
 633
 634         err = ionic_identify(adapter);
 635         if (err) {
 636                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
 637                         err);
 638                 goto err_free_adapter;
 639         }
 640
 641         err = ionic_init(adapter);
 642         if (err) {
 643                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
 644                 goto err_free_adapter;
 645         }
 646
 647         /* Configure the ports */
 648         err = ionic_port_identify(adapter);
 649         if (err) {
 650                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
 651                         err);
 652                 goto err_free_adapter;
 653         }
 654
 655         err = ionic_port_init(adapter);
 656         if (err) {
 657                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
 658                 goto err_free_adapter;
 659         }
 660
 661         /* Configure LIFs */
 662         err = ionic_lif_identify(adapter);
 663         if (err) {
 664                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
 665                 goto err_free_adapter;
 666         }
 667
 668         /* Allocate and init LIFs */
 669         err = ionic_lifs_size(adapter);
 670         if (err) {
 671                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
 672                 goto err_free_adapter;
 673         }
 674
 675         adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
 676
 677         adapter->nlifs = 0;
 678         for (i = 0; i < adapter->ident.dev.nlifs; i++) {
 679                 snprintf(name, sizeof(name), "net_%s_lif_%lu",
 680                         pci_dev->device.name, i);
 681
 682                 err = rte_eth_dev_create(&pci_dev->device, name,
 683                         sizeof(struct ionic_lif),
 684                         NULL, NULL,
 685                         eth_ionic_dev_init, adapter);
 686                 if (err) {
 687                         IONIC_PRINT(ERR, "Cannot create eth device for "
 688                                 "ionic lif %s", name);
 689                         break;
 690                 }
 691
 692                 adapter->nlifs++;
 693         }
 694
 695         err = ionic_configure_intr(adapter);
 696
 697         if (err) {
 698                 IONIC_PRINT(ERR, "Failed to configure interrupts");
 699                 goto err_free_adapter;
 700         }
 701
 702         return 0;
 703
 704 err_free_adapter:
 705         rte_free(adapter);
 706 err:
 707         return err;
 708 }
 709
 710 static int
 711 eth_ionic_pci_remove(struct rte_pci_device *pci_dev __rte_unused)
 712 {
 713         char name[RTE_ETH_NAME_MAX_LEN];
 714         struct ionic_adapter *adapter = NULL;
 715         struct rte_eth_dev *eth_dev;
 716         struct ionic_lif *lif;
 717         uint32_t i;
 718
 719         /* Adapter lookup is using (the first) eth_dev name */
 720         snprintf(name, sizeof(name), "net_%s_lif_0",
 721                 pci_dev->device.name);
 722
 723         eth_dev = rte_eth_dev_allocated(name);
 724         if (eth_dev) {
 725                 lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 726                 adapter = lif->adapter;
 727         }
 728
 729         if (adapter) {
 730                 ionic_unconfigure_intr(adapter);
 731
 732                 for (i = 0; i < adapter->nlifs; i++) {
 733                         lif = adapter->lifs[i];
 734                         rte_eth_dev_destroy(lif->eth_dev, eth_ionic_dev_uninit);
 735                 }
 736
 737                 rte_free(adapter);
 738         }
 739
 740         return 0;
 741 }
 742
 743 static struct rte_pci_driver rte_ionic_pmd = {
 744         .id_table = pci_id_ionic_map,
 745         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 746         .probe = eth_ionic_pci_probe,
 747         .remove = eth_ionic_pci_remove,
 748 };
 749
 750 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
 751 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
 752 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
 753
 754 RTE_INIT(ionic_init_log)
 755 {
 756         ionic_logtype = rte_log_register("pmd.net.ionic");
 757         if (ionic_logtype >= 0)
 758                 rte_log_set_level(ionic_logtype, RTE_LOG_NOTICE);
 759 }