drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include <linux/vmalloc.h>
   9 #include <linux/interrupt.h>
  10
  11 #include "qlcnic.h"
  12 #include "qlcnic_sriov.h"
  13 #include "qlcnic_hw.h"
  14
  15 #include <linux/swab.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/if_vlan.h>
  18 #include <net/ip.h>
  19 #include <linux/ipv6.h>
  20 #include <linux/inetdevice.h>
  21 #include <linux/aer.h>
  22 #include <linux/log2.h>
  23 #include <linux/pci.h>
  24 #ifdef CONFIG_QLCNIC_VXLAN
  25 #include <net/vxlan.h>
  26 #endif
  27
  28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
  29 MODULE_LICENSE("GPL");
  30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
  31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
  32
  33 char qlcnic_driver_name[] = "qlcnic";
  34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
  35         "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
  36
  37 static int qlcnic_mac_learn;
  38 module_param(qlcnic_mac_learn, int, 0444);
  39 MODULE_PARM_DESC(qlcnic_mac_learn,
  40                  "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
  41
  42 int qlcnic_use_msi = 1;
  43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
  44 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
  45
  46 int qlcnic_use_msi_x = 1;
  47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
  48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
  49
  50 int qlcnic_auto_fw_reset = 1;
  51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
  52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
  53
  54 int qlcnic_load_fw_file;
  55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
  56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
  57
  58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  59 static void qlcnic_remove(struct pci_dev *pdev);
  60 static int qlcnic_open(struct net_device *netdev);
  61 static int qlcnic_close(struct net_device *netdev);
  62 static void qlcnic_tx_timeout(struct net_device *netdev);
  63 static void qlcnic_attach_work(struct work_struct *work);
  64 static void qlcnic_fwinit_work(struct work_struct *work);
  65 #ifdef CONFIG_NET_POLL_CONTROLLER
  66 static void qlcnic_poll_controller(struct net_device *netdev);
  67 #endif
  68
  69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  71
  72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  73 static irqreturn_t qlcnic_intr(int irq, void *data);
  74 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  75 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
  77
  78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  79 static int qlcnic_start_firmware(struct qlcnic_adapter *);
  80
  81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
  85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
  86
  87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
  88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
  89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
  90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
  91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
  92 static void qlcnic_82xx_io_resume(struct pci_dev *);
  93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
  94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
  95                                                       pci_channel_state_t);
  96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  97 {
  98         struct qlcnic_hardware_context *ahw = adapter->ahw;
  99
 100         if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
 101                 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
 102         else
 103                 return 1;
 104 }
 105
 106 /*  PCI Device ID Table  */
 107 #define ENTRY(device) \
 108         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
 109         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
 110
 111 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
 112         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 113         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
 114         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
 115         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
 116         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
 117         {0,}
 118 };
 119
 120 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 121
 122
 123 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
 124 {
 125         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 126 }
 127
 128 static const u32 msi_tgt_status[8] = {
 129         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 130         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 131         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 132         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 133 };
 134
 135 static const u32 qlcnic_reg_tbl[] = {
 136         0x1B20A8,       /* PEG_HALT_STAT1 */
 137         0x1B20AC,       /* PEG_HALT_STAT2 */
 138         0x1B20B0,       /* FW_HEARTBEAT */
 139         0x1B2100,       /* LOCK ID */
 140         0x1B2128,       /* FW_CAPABILITIES */
 141         0x1B2138,       /* drv active */
 142         0x1B2140,       /* dev state */
 143         0x1B2144,       /* drv state */
 144         0x1B2148,       /* drv scratch */
 145         0x1B214C,       /* dev partition info */
 146         0x1B2174,       /* drv idc ver */
 147         0x1B2150,       /* fw version major */
 148         0x1B2154,       /* fw version minor */
 149         0x1B2158,       /* fw version sub */
 150         0x1B219C,       /* npar state */
 151         0x1B21FC,       /* FW_IMG_VALID */
 152         0x1B2250,       /* CMD_PEG_STATE */
 153         0x1B233C,       /* RCV_PEG_STATE */
 154         0x1B23B4,       /* ASIC TEMP */
 155         0x1B216C,       /* FW api */
 156         0x1B2170,       /* drv op mode */
 157         0x13C010,       /* flash lock */
 158         0x13C014,       /* flash unlock */
 159 };
 160
 161 static const struct qlcnic_board_info qlcnic_boards[] = {
 162         { PCI_VENDOR_ID_QLOGIC,
 163           PCI_DEVICE_ID_QLOGIC_QLE844X,
 164           0x0,
 165           0x0,
 166           "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
 167         { PCI_VENDOR_ID_QLOGIC,
 168           PCI_DEVICE_ID_QLOGIC_QLE834X,
 169           PCI_VENDOR_ID_QLOGIC,
 170           0x24e,
 171           "8300 Series Dual Port 10GbE Converged Network Adapter "
 172           "(TCP/IP Networking)" },
 173         { PCI_VENDOR_ID_QLOGIC,
 174           PCI_DEVICE_ID_QLOGIC_QLE834X,
 175           PCI_VENDOR_ID_QLOGIC,
 176           0x243,
 177           "8300 Series Single Port 10GbE Converged Network Adapter "
 178           "(TCP/IP Networking)" },
 179         { PCI_VENDOR_ID_QLOGIC,
 180           PCI_DEVICE_ID_QLOGIC_QLE834X,
 181           PCI_VENDOR_ID_QLOGIC,
 182           0x24a,
 183           "8300 Series Dual Port 10GbE Converged Network Adapter "
 184           "(TCP/IP Networking)" },
 185         { PCI_VENDOR_ID_QLOGIC,
 186           PCI_DEVICE_ID_QLOGIC_QLE834X,
 187           PCI_VENDOR_ID_QLOGIC,
 188           0x246,
 189           "8300 Series Dual Port 10GbE Converged Network Adapter "
 190           "(TCP/IP Networking)" },
 191         { PCI_VENDOR_ID_QLOGIC,
 192           PCI_DEVICE_ID_QLOGIC_QLE834X,
 193           PCI_VENDOR_ID_QLOGIC,
 194           0x252,
 195           "8300 Series Dual Port 10GbE Converged Network Adapter "
 196           "(TCP/IP Networking)" },
 197         { PCI_VENDOR_ID_QLOGIC,
 198           PCI_DEVICE_ID_QLOGIC_QLE834X,
 199           PCI_VENDOR_ID_QLOGIC,
 200           0x26e,
 201           "8300 Series Dual Port 10GbE Converged Network Adapter "
 202           "(TCP/IP Networking)" },
 203         { PCI_VENDOR_ID_QLOGIC,
 204           PCI_DEVICE_ID_QLOGIC_QLE834X,
 205           PCI_VENDOR_ID_QLOGIC,
 206           0x260,
 207           "8300 Series Dual Port 10GbE Converged Network Adapter "
 208           "(TCP/IP Networking)" },
 209         { PCI_VENDOR_ID_QLOGIC,
 210           PCI_DEVICE_ID_QLOGIC_QLE834X,
 211           PCI_VENDOR_ID_QLOGIC,
 212           0x266,
 213           "8300 Series Single Port 10GbE Converged Network Adapter "
 214           "(TCP/IP Networking)" },
 215         { PCI_VENDOR_ID_QLOGIC,
 216           PCI_DEVICE_ID_QLOGIC_QLE834X,
 217           PCI_VENDOR_ID_QLOGIC,
 218           0x269,
 219           "8300 Series Dual Port 10GbE Converged Network Adapter "
 220           "(TCP/IP Networking)" },
 221         { PCI_VENDOR_ID_QLOGIC,
 222           PCI_DEVICE_ID_QLOGIC_QLE834X,
 223           PCI_VENDOR_ID_QLOGIC,
 224           0x271,
 225           "8300 Series Dual Port 10GbE Converged Network Adapter "
 226           "(TCP/IP Networking)" },
 227         { PCI_VENDOR_ID_QLOGIC,
 228           PCI_DEVICE_ID_QLOGIC_QLE834X,
 229           0x0, 0x0, "8300 Series 1/10GbE Controller" },
 230         { PCI_VENDOR_ID_QLOGIC,
 231           PCI_DEVICE_ID_QLOGIC_QLE824X,
 232           PCI_VENDOR_ID_QLOGIC,
 233           0x203,
 234           "8200 Series Single Port 10GbE Converged Network Adapter"
 235           "(TCP/IP Networking)" },
 236         { PCI_VENDOR_ID_QLOGIC,
 237           PCI_DEVICE_ID_QLOGIC_QLE824X,
 238           PCI_VENDOR_ID_QLOGIC,
 239           0x207,
 240           "8200 Series Dual Port 10GbE Converged Network Adapter"
 241           "(TCP/IP Networking)" },
 242         { PCI_VENDOR_ID_QLOGIC,
 243           PCI_DEVICE_ID_QLOGIC_QLE824X,
 244           PCI_VENDOR_ID_QLOGIC,
 245           0x20b,
 246           "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
 247         { PCI_VENDOR_ID_QLOGIC,
 248           PCI_DEVICE_ID_QLOGIC_QLE824X,
 249           PCI_VENDOR_ID_QLOGIC,
 250           0x20c,
 251           "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
 252         { PCI_VENDOR_ID_QLOGIC,
 253           PCI_DEVICE_ID_QLOGIC_QLE824X,
 254           PCI_VENDOR_ID_QLOGIC,
 255           0x20f,
 256           "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
 257         { PCI_VENDOR_ID_QLOGIC,
 258           PCI_DEVICE_ID_QLOGIC_QLE824X,
 259           0x103c, 0x3733,
 260           "NC523SFP 10Gb 2-port Server Adapter" },
 261         { PCI_VENDOR_ID_QLOGIC,
 262           PCI_DEVICE_ID_QLOGIC_QLE824X,
 263           0x103c, 0x3346,
 264           "CN1000Q Dual Port Converged Network Adapter" },
 265         { PCI_VENDOR_ID_QLOGIC,
 266           PCI_DEVICE_ID_QLOGIC_QLE824X,
 267           PCI_VENDOR_ID_QLOGIC,
 268           0x210,
 269           "QME8242-k 10GbE Dual Port Mezzanine Card" },
 270         { PCI_VENDOR_ID_QLOGIC,
 271           PCI_DEVICE_ID_QLOGIC_QLE824X,
 272           0x0, 0x0, "cLOM8214 1/10GbE Controller" },
 273 };
 274
 275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
 276
 277 static const
 278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 279
 280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 281 {
 282         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 283
 284         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 285
 286         return recv_ctx->sds_rings == NULL;
 287 }
 288
 289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 290 {
 291         if (recv_ctx->sds_rings != NULL)
 292                 kfree(recv_ctx->sds_rings);
 293
 294         recv_ctx->sds_rings = NULL;
 295 }
 296
 297 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 298 {
 299         struct net_device *netdev = adapter->netdev;
 300         struct pci_dev *pdev = adapter->pdev;
 301         u8 mac_addr[ETH_ALEN];
 302         int ret;
 303
 304         ret = qlcnic_get_mac_address(adapter, mac_addr,
 305                                      adapter->ahw->pci_func);
 306         if (ret)
 307                 return ret;
 308
 309         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 310         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 311
 312         /* set station address */
 313
 314         if (!is_valid_ether_addr(netdev->dev_addr))
 315                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 316                                         netdev->dev_addr);
 317
 318         return 0;
 319 }
 320
 321 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
 322 {
 323         struct qlcnic_mac_vlan_list *cur;
 324         struct list_head *head;
 325
 326         list_for_each(head, &adapter->mac_list) {
 327                 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
 328                 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
 329                         qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
 330                                                   0, QLCNIC_MAC_DEL);
 331                         list_del(&cur->list);
 332                         kfree(cur);
 333                         return;
 334                 }
 335         }
 336 }
 337
 338 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 339 {
 340         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 341         struct sockaddr *addr = p;
 342
 343         if (qlcnic_sriov_vf_check(adapter))
 344                 return -EINVAL;
 345
 346         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 347                 return -EOPNOTSUPP;
 348
 349         if (!is_valid_ether_addr(addr->sa_data))
 350                 return -EINVAL;
 351
 352         if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
 353                 return 0;
 354
 355         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 356                 netif_device_detach(netdev);
 357                 qlcnic_napi_disable(adapter);
 358         }
 359
 360         qlcnic_delete_adapter_mac(adapter);
 361         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 362         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 363         qlcnic_set_multi(adapter->netdev);
 364
 365         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 366                 netif_device_attach(netdev);
 367                 qlcnic_napi_enable(adapter);
 368         }
 369         return 0;
 370 }
 371
 372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 373                         struct net_device *netdev, const unsigned char *addr)
 374 {
 375         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 376         int err = -EOPNOTSUPP;
 377
 378         if (!adapter->fdb_mac_learn)
 379                 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
 380
 381         if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 382             qlcnic_sriov_check(adapter)) {
 383                 if (is_unicast_ether_addr(addr)) {
 384                         err = dev_uc_del(netdev, addr);
 385                         if (!err)
 386                                 err = qlcnic_nic_del_mac(adapter, addr);
 387                 } else if (is_multicast_ether_addr(addr)) {
 388                         err = dev_mc_del(netdev, addr);
 389                 } else {
 390                         err =  -EINVAL;
 391                 }
 392         }
 393         return err;
 394 }
 395
 396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 397                         struct net_device *netdev,
 398                         const unsigned char *addr, u16 flags)
 399 {
 400         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 401         int err = 0;
 402
 403         if (!adapter->fdb_mac_learn)
 404                 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
 405
 406         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
 407             !qlcnic_sriov_check(adapter)) {
 408                 pr_info("%s: FDB e-switch is not enabled\n", __func__);
 409                 return -EOPNOTSUPP;
 410         }
 411
 412         if (ether_addr_equal(addr, adapter->mac_addr))
 413                 return err;
 414
 415         if (is_unicast_ether_addr(addr)) {
 416                 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
 417                         err = dev_uc_add_excl(netdev, addr);
 418                 else
 419                         err = -ENOMEM;
 420         } else if (is_multicast_ether_addr(addr)) {
 421                 err = dev_mc_add_excl(netdev, addr);
 422         } else {
 423                 err = -EINVAL;
 424         }
 425
 426         return err;
 427 }
 428
 429 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
 430                         struct net_device *netdev, int idx)
 431 {
 432         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 433
 434         if (!adapter->fdb_mac_learn)
 435                 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 436
 437         if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 438             qlcnic_sriov_check(adapter))
 439                 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 440
 441         return idx;
 442 }
 443
 444 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
 445 {
 446         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 447                 usleep_range(10000, 11000);
 448
 449         if (!adapter->fw_work.work.func)
 450                 return;
 451
 452         cancel_delayed_work_sync(&adapter->fw_work);
 453 }
 454
 455 static int qlcnic_get_phys_port_id(struct net_device *netdev,
 456                                    struct netdev_phys_port_id *ppid)
 457 {
 458         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 459         struct qlcnic_hardware_context *ahw = adapter->ahw;
 460
 461         if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
 462                 return -EOPNOTSUPP;
 463
 464         ppid->id_len = sizeof(ahw->phys_port_id);
 465         memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
 466
 467         return 0;
 468 }
 469
 470 #ifdef CONFIG_QLCNIC_VXLAN
 471 static void qlcnic_add_vxlan_port(struct net_device *netdev,
 472                                   sa_family_t sa_family, __be16 port)
 473 {
 474         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 475         struct qlcnic_hardware_context *ahw = adapter->ahw;
 476
 477         /* Adapter supports only one VXLAN port. Use very first port
 478          * for enabling offload
 479          */
 480         if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
 481                 return;
 482
 483         ahw->vxlan_port = ntohs(port);
 484         adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
 485 }
 486
 487 static void qlcnic_del_vxlan_port(struct net_device *netdev,
 488                                   sa_family_t sa_family, __be16 port)
 489 {
 490         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 491         struct qlcnic_hardware_context *ahw = adapter->ahw;
 492
 493         if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
 494             (ahw->vxlan_port != ntohs(port)))
 495                 return;
 496
 497         adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
 498 }
 499 #endif
 500
 501 static const struct net_device_ops qlcnic_netdev_ops = {
 502         .ndo_open          = qlcnic_open,
 503         .ndo_stop          = qlcnic_close,
 504         .ndo_start_xmit    = qlcnic_xmit_frame,
 505         .ndo_get_stats     = qlcnic_get_stats,
 506         .ndo_validate_addr = eth_validate_addr,
 507         .ndo_set_rx_mode   = qlcnic_set_multi,
 508         .ndo_set_mac_address    = qlcnic_set_mac,
 509         .ndo_change_mtu    = qlcnic_change_mtu,
 510         .ndo_fix_features  = qlcnic_fix_features,
 511         .ndo_set_features  = qlcnic_set_features,
 512         .ndo_tx_timeout    = qlcnic_tx_timeout,
 513         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 514         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 515         .ndo_fdb_add            = qlcnic_fdb_add,
 516         .ndo_fdb_del            = qlcnic_fdb_del,
 517         .ndo_fdb_dump           = qlcnic_fdb_dump,
 518         .ndo_get_phys_port_id   = qlcnic_get_phys_port_id,
 519 #ifdef CONFIG_QLCNIC_VXLAN
 520         .ndo_add_vxlan_port     = qlcnic_add_vxlan_port,
 521         .ndo_del_vxlan_port     = qlcnic_del_vxlan_port,
 522 #endif
 523 #ifdef CONFIG_NET_POLL_CONTROLLER
 524         .ndo_poll_controller = qlcnic_poll_controller,
 525 #endif
 526 #ifdef CONFIG_QLCNIC_SRIOV
 527         .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
 528         .ndo_set_vf_rate        = qlcnic_sriov_set_vf_tx_rate,
 529         .ndo_get_vf_config      = qlcnic_sriov_get_vf_config,
 530         .ndo_set_vf_vlan        = qlcnic_sriov_set_vf_vlan,
 531         .ndo_set_vf_spoofchk    = qlcnic_sriov_set_vf_spoofchk,
 532 #endif
 533 };
 534
 535 static const struct net_device_ops qlcnic_netdev_failed_ops = {
 536         .ndo_open          = qlcnic_open,
 537 };
 538
 539 static struct qlcnic_nic_template qlcnic_ops = {
 540         .config_bridged_mode    = qlcnic_config_bridged_mode,
 541         .config_led             = qlcnic_82xx_config_led,
 542         .start_firmware         = qlcnic_82xx_start_firmware,
 543         .request_reset          = qlcnic_82xx_dev_request_reset,
 544         .cancel_idc_work        = qlcnic_82xx_cancel_idc_work,
 545         .napi_add               = qlcnic_82xx_napi_add,
 546         .napi_del               = qlcnic_82xx_napi_del,
 547         .config_ipaddr          = qlcnic_82xx_config_ipaddr,
 548         .shutdown               = qlcnic_82xx_shutdown,
 549         .resume                 = qlcnic_82xx_resume,
 550         .clear_legacy_intr      = qlcnic_82xx_clear_legacy_intr,
 551 };
 552
 553 struct qlcnic_nic_template qlcnic_vf_ops = {
 554         .config_bridged_mode    = qlcnicvf_config_bridged_mode,
 555         .config_led             = qlcnicvf_config_led,
 556         .start_firmware         = qlcnicvf_start_firmware
 557 };
 558
 559 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
 560         .read_crb                       = qlcnic_82xx_read_crb,
 561         .write_crb                      = qlcnic_82xx_write_crb,
 562         .read_reg                       = qlcnic_82xx_hw_read_wx_2M,
 563         .write_reg                      = qlcnic_82xx_hw_write_wx_2M,
 564         .get_mac_address                = qlcnic_82xx_get_mac_address,
 565         .setup_intr                     = qlcnic_82xx_setup_intr,
 566         .alloc_mbx_args                 = qlcnic_82xx_alloc_mbx_args,
 567         .mbx_cmd                        = qlcnic_82xx_issue_cmd,
 568         .get_func_no                    = qlcnic_82xx_get_func_no,
 569         .api_lock                       = qlcnic_82xx_api_lock,
 570         .api_unlock                     = qlcnic_82xx_api_unlock,
 571         .add_sysfs                      = qlcnic_82xx_add_sysfs,
 572         .remove_sysfs                   = qlcnic_82xx_remove_sysfs,
 573         .process_lb_rcv_ring_diag       = qlcnic_82xx_process_rcv_ring_diag,
 574         .create_rx_ctx                  = qlcnic_82xx_fw_cmd_create_rx_ctx,
 575         .create_tx_ctx                  = qlcnic_82xx_fw_cmd_create_tx_ctx,
 576         .del_rx_ctx                     = qlcnic_82xx_fw_cmd_del_rx_ctx,
 577         .del_tx_ctx                     = qlcnic_82xx_fw_cmd_del_tx_ctx,
 578         .setup_link_event               = qlcnic_82xx_linkevent_request,
 579         .get_nic_info                   = qlcnic_82xx_get_nic_info,
 580         .get_pci_info                   = qlcnic_82xx_get_pci_info,
 581         .set_nic_info                   = qlcnic_82xx_set_nic_info,
 582         .change_macvlan                 = qlcnic_82xx_sre_macaddr_change,
 583         .napi_enable                    = qlcnic_82xx_napi_enable,
 584         .napi_disable                   = qlcnic_82xx_napi_disable,
 585         .config_intr_coal               = qlcnic_82xx_config_intr_coalesce,
 586         .config_rss                     = qlcnic_82xx_config_rss,
 587         .config_hw_lro                  = qlcnic_82xx_config_hw_lro,
 588         .config_loopback                = qlcnic_82xx_set_lb_mode,
 589         .clear_loopback                 = qlcnic_82xx_clear_lb_mode,
 590         .config_promisc_mode            = qlcnic_82xx_nic_set_promisc,
 591         .change_l2_filter               = qlcnic_82xx_change_filter,
 592         .get_board_info                 = qlcnic_82xx_get_board_info,
 593         .set_mac_filter_count           = qlcnic_82xx_set_mac_filter_count,
 594         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 595         .read_phys_port_id              = qlcnic_82xx_read_phys_port_id,
 596         .io_error_detected              = qlcnic_82xx_io_error_detected,
 597         .io_slot_reset                  = qlcnic_82xx_io_slot_reset,
 598         .io_resume                      = qlcnic_82xx_io_resume,
 599         .get_beacon_state               = qlcnic_82xx_get_beacon_state,
 600         .enable_sds_intr                = qlcnic_82xx_enable_sds_intr,
 601         .disable_sds_intr               = qlcnic_82xx_disable_sds_intr,
 602         .enable_tx_intr                 = qlcnic_82xx_enable_tx_intr,
 603         .disable_tx_intr                = qlcnic_82xx_disable_tx_intr,
 604         .get_saved_state                = qlcnic_82xx_get_saved_state,
 605         .set_saved_state                = qlcnic_82xx_set_saved_state,
 606         .cache_tmpl_hdr_values          = qlcnic_82xx_cache_tmpl_hdr_values,
 607         .get_cap_size                   = qlcnic_82xx_get_cap_size,
 608         .set_sys_info                   = qlcnic_82xx_set_sys_info,
 609         .store_cap_mask                 = qlcnic_82xx_store_cap_mask,
 610 };
 611
 612 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
 613 {
 614         struct qlcnic_hardware_context *ahw = adapter->ahw;
 615
 616         if (qlcnic_82xx_check(adapter) &&
 617             (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
 618                 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
 619                 return 0;
 620         } else {
 621                 return 1;
 622         }
 623 }
 624
 625 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
 626                             int queue_type)
 627 {
 628         int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
 629
 630         if (queue_type == QLCNIC_RX_QUEUE)
 631                 max_rings = adapter->max_sds_rings;
 632         else if (queue_type == QLCNIC_TX_QUEUE)
 633                 max_rings = adapter->max_tx_rings;
 634
 635         num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 636                                               max_rings));
 637
 638         if (ring_cnt > num_rings)
 639                 return num_rings;
 640         else
 641                 return ring_cnt;
 642 }
 643
 644 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
 645 {
 646         /* 83xx adapter does not have max_tx_rings intialized in probe */
 647         if (adapter->max_tx_rings)
 648                 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
 649                                                          QLCNIC_TX_QUEUE);
 650         else
 651                 adapter->drv_tx_rings = tx_cnt;
 652 }
 653
 654 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
 655 {
 656         /* 83xx adapter does not have max_sds_rings intialized in probe */
 657         if (adapter->max_sds_rings)
 658                 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
 659                                                           QLCNIC_RX_QUEUE);
 660         else
 661                 adapter->drv_sds_rings = rx_cnt;
 662 }
 663
 664 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
 665 {
 666         struct pci_dev *pdev = adapter->pdev;
 667         int num_msix = 0, err = 0, vector;
 668
 669         adapter->flags &= ~QLCNIC_TSS_RSS;
 670
 671         if (adapter->drv_tss_rings > 0)
 672                 num_msix += adapter->drv_tss_rings;
 673         else
 674                 num_msix += adapter->drv_tx_rings;
 675
 676         if (adapter->drv_rss_rings > 0)
 677                 num_msix += adapter->drv_rss_rings;
 678         else
 679                 num_msix += adapter->drv_sds_rings;
 680
 681         if (qlcnic_83xx_check(adapter))
 682                 num_msix += 1;
 683
 684         if (!adapter->msix_entries) {
 685                 adapter->msix_entries = kcalloc(num_msix,
 686                                                 sizeof(struct msix_entry),
 687                                                 GFP_KERNEL);
 688                 if (!adapter->msix_entries)
 689                         return -ENOMEM;
 690         }
 691
 692         for (vector = 0; vector < num_msix; vector++)
 693                 adapter->msix_entries[vector].entry = vector;
 694
 695 restore:
 696         err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
 697         if (err == -ENOSPC) {
 698                 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
 699                         return err;
 700
 701                 netdev_info(adapter->netdev,
 702                             "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
 703                             num_msix, err);
 704
 705                 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
 706
 707                 /* Set rings to 0 so we can restore original TSS/RSS count */
 708                 adapter->drv_tss_rings = 0;
 709                 adapter->drv_rss_rings = 0;
 710
 711                 if (qlcnic_83xx_check(adapter))
 712                         num_msix += 1;
 713
 714                 netdev_info(adapter->netdev,
 715                             "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
 716                             adapter->drv_tx_rings, adapter->drv_sds_rings,
 717                             num_msix);
 718
 719                 goto restore;
 720         } else if (err < 0) {
 721                 return err;
 722         }
 723
 724         adapter->ahw->num_msix = num_msix;
 725         if (adapter->drv_tss_rings > 0)
 726                 adapter->drv_tx_rings = adapter->drv_tss_rings;
 727
 728         if (adapter->drv_rss_rings > 0)
 729                 adapter->drv_sds_rings = adapter->drv_rss_rings;
 730
 731         return 0;
 732 }
 733
 734 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 735 {
 736         struct pci_dev *pdev = adapter->pdev;
 737         int err, vector;
 738
 739         if (!adapter->msix_entries) {
 740                 adapter->msix_entries = kcalloc(num_msix,
 741                                                 sizeof(struct msix_entry),
 742                                                 GFP_KERNEL);
 743                 if (!adapter->msix_entries)
 744                         return -ENOMEM;
 745         }
 746
 747         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 748
 749         if (adapter->ahw->msix_supported) {
 750 enable_msix:
 751                 for (vector = 0; vector < num_msix; vector++)
 752                         adapter->msix_entries[vector].entry = vector;
 753
 754                 err = pci_enable_msix_range(pdev,
 755                                             adapter->msix_entries, 1, num_msix);
 756
 757                 if (err == num_msix) {
 758                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 759                         adapter->ahw->num_msix = num_msix;
 760                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 761                         return 0;
 762                 } else if (err > 0) {
 763                         pci_disable_msix(pdev);
 764
 765                         dev_info(&pdev->dev,
 766                                  "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
 767                                  num_msix, err);
 768
 769                         if (qlcnic_82xx_check(adapter)) {
 770                                 num_msix = rounddown_pow_of_two(err);
 771                                 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
 772                                         return -ENOSPC;
 773                         } else {
 774                                 num_msix = rounddown_pow_of_two(err - 1);
 775                                 num_msix += 1;
 776                                 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
 777                                         return -ENOSPC;
 778                         }
 779
 780                         if (qlcnic_82xx_check(adapter) &&
 781                             !qlcnic_check_multi_tx(adapter)) {
 782                                 adapter->drv_sds_rings = num_msix;
 783                                 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
 784                         } else {
 785                                 /* Distribute vectors equally */
 786                                 adapter->drv_tx_rings = num_msix / 2;
 787                                 adapter->drv_sds_rings = adapter->drv_tx_rings;
 788                         }
 789
 790                         if (num_msix) {
 791                                 dev_info(&pdev->dev,
 792                                          "Trying to allocate %d MSI-X interrupt vectors\n",
 793                                          num_msix);
 794                                 goto enable_msix;
 795                         }
 796                 } else {
 797                         dev_info(&pdev->dev,
 798                                  "Unable to allocate %d MSI-X vectors, err=%d\n",
 799                                  num_msix, err);
 800                         return err;
 801                 }
 802         }
 803
 804         return -EIO;
 805 }
 806
 807 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
 808 {
 809         int num_msix;
 810
 811         num_msix = adapter->drv_sds_rings;
 812
 813         if (qlcnic_check_multi_tx(adapter))
 814                 num_msix += adapter->drv_tx_rings;
 815         else
 816                 num_msix += QLCNIC_SINGLE_RING;
 817
 818         return num_msix;
 819 }
 820
 821 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 822 {
 823         int err = 0;
 824         u32 offset, mask_reg;
 825         const struct qlcnic_legacy_intr_set *legacy_intrp;
 826         struct qlcnic_hardware_context *ahw = adapter->ahw;
 827         struct pci_dev *pdev = adapter->pdev;
 828
 829         if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
 830                 adapter->flags |= QLCNIC_MSI_ENABLED;
 831                 offset = msi_tgt_status[adapter->ahw->pci_func];
 832                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
 833                                                             offset);
 834                 dev_info(&pdev->dev, "using msi interrupts\n");
 835                 adapter->msix_entries[0].vector = pdev->irq;
 836                 return err;
 837         }
 838
 839         if (qlcnic_use_msi || qlcnic_use_msi_x)
 840                 return -EOPNOTSUPP;
 841
 842         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 843         adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
 844         offset = legacy_intrp->tgt_status_reg;
 845         adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
 846         mask_reg = legacy_intrp->tgt_mask_reg;
 847         adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
 848         adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
 849         adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
 850         dev_info(&pdev->dev, "using legacy interrupts\n");
 851         adapter->msix_entries[0].vector = pdev->irq;
 852         return err;
 853 }
 854
 855 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
 856 {
 857         int num_msix, err = 0;
 858
 859         if (adapter->flags & QLCNIC_TSS_RSS) {
 860                 err = qlcnic_setup_tss_rss_intr(adapter);
 861                 if (err < 0)
 862                         return err;
 863                 num_msix = adapter->ahw->num_msix;
 864         } else {
 865                 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
 866
 867                 err = qlcnic_enable_msix(adapter, num_msix);
 868                 if (err == -ENOMEM)
 869                         return err;
 870
 871                 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
 872                         qlcnic_disable_multi_tx(adapter);
 873                         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
 874
 875                         err = qlcnic_enable_msi_legacy(adapter);
 876                         if (err)
 877                                 return err;
 878                 }
 879         }
 880
 881         return 0;
 882 }
 883
 884 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
 885 {
 886         struct qlcnic_hardware_context *ahw = adapter->ahw;
 887         int err, i;
 888
 889         if (qlcnic_check_multi_tx(adapter) &&
 890             !ahw->diag_test &&
 891             (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 892                 ahw->intr_tbl = vzalloc(ahw->num_msix *
 893                                         sizeof(struct qlcnic_intrpt_config));
 894                 if (!ahw->intr_tbl)
 895                         return -ENOMEM;
 896
 897                 for (i = 0; i < ahw->num_msix; i++) {
 898                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
 899                         ahw->intr_tbl[i].id = i;
 900                         ahw->intr_tbl[i].src = 0;
 901                 }
 902
 903                 err = qlcnic_82xx_config_intrpt(adapter, 1);
 904                 if (err)
 905                         dev_err(&adapter->pdev->dev,
 906                                 "Failed to configure Interrupt for %d vector\n",
 907                                 ahw->num_msix);
 908                 return err;
 909         }
 910
 911         return 0;
 912 }
 913
 914 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 915 {
 916         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 917                 pci_disable_msix(adapter->pdev);
 918         if (adapter->flags & QLCNIC_MSI_ENABLED)
 919                 pci_disable_msi(adapter->pdev);
 920
 921         kfree(adapter->msix_entries);
 922         adapter->msix_entries = NULL;
 923
 924         if (adapter->ahw->intr_tbl) {
 925                 vfree(adapter->ahw->intr_tbl);
 926                 adapter->ahw->intr_tbl = NULL;
 927         }
 928 }
 929
 930 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 931 {
 932         if (ahw->pci_base0 != NULL)
 933                 iounmap(ahw->pci_base0);
 934 }
 935
 936 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 937 {
 938         struct qlcnic_hardware_context *ahw = adapter->ahw;
 939         struct qlcnic_pci_info *pci_info;
 940         int ret;
 941
 942         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 943                 switch (ahw->port_type) {
 944                 case QLCNIC_GBE:
 945                         ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
 946                         break;
 947                 case QLCNIC_XGBE:
 948                         ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
 949                         break;
 950                 }
 951                 return 0;
 952         }
 953
 954         if (ahw->op_mode == QLCNIC_MGMT_FUNC)
 955                 return 0;
 956
 957         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 958         if (!pci_info)
 959                 return -ENOMEM;
 960
 961         ret = qlcnic_get_pci_info(adapter, pci_info);
 962         kfree(pci_info);
 963         return ret;
 964 }
 965
 966 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
 967 {
 968         bool ret = false;
 969
 970         if (qlcnic_84xx_check(adapter)) {
 971                 ret = true;
 972         } else if (qlcnic_83xx_check(adapter)) {
 973                 if (adapter->ahw->extra_capability[0] &
 974                     QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
 975                         ret = true;
 976                 else
 977                         ret = false;
 978         }
 979
 980         return ret;
 981 }
 982
 983 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 984 {
 985         struct qlcnic_hardware_context *ahw = adapter->ahw;
 986         struct qlcnic_pci_info *pci_info;
 987         int i, id = 0, ret = 0, j = 0;
 988         u16 act_pci_func;
 989         u8 pfn;
 990
 991         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 992         if (!pci_info)
 993                 return -ENOMEM;
 994
 995         ret = qlcnic_get_pci_info(adapter, pci_info);
 996         if (ret)
 997                 goto err_pci_info;
 998
 999         act_pci_func = ahw->total_nic_func;
1000
1001         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1002                                  act_pci_func, GFP_KERNEL);
1003         if (!adapter->npars) {
1004                 ret = -ENOMEM;
1005                 goto err_pci_info;
1006         }
1007
1008         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1009                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1010         if (!adapter->eswitch) {
1011                 ret = -ENOMEM;
1012                 goto err_npars;
1013         }
1014
1015         for (i = 0; i < ahw->max_vnic_func; i++) {
1016                 pfn = pci_info[i].id;
1017
1018                 if (pfn >= ahw->max_vnic_func) {
1019                         ret = QL_STATUS_INVALID_PARAM;
1020                         dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1021                                 __func__, pfn, ahw->max_vnic_func);
1022                         goto err_eswitch;
1023                 }
1024
1025                 if (!pci_info[i].active ||
1026                     (pci_info[i].type != QLCNIC_TYPE_NIC))
1027                         continue;
1028
1029                 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1030                         if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1031                                                                  &id))
1032                                 adapter->npars[j].eswitch_status = true;
1033                         else
1034                                 continue;
1035                 } else {
1036                         adapter->npars[j].eswitch_status = true;
1037                 }
1038
1039                 adapter->npars[j].pci_func = pfn;
1040                 adapter->npars[j].active = (u8)pci_info[i].active;
1041                 adapter->npars[j].type = (u8)pci_info[i].type;
1042                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1043                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1044                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1045
1046                 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1047                 j++;
1048         }
1049
1050         /* Update eSwitch status for adapters without per port eSwitch
1051          * configuration capability
1052          */
1053         if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1054                 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1055                         adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1056         }
1057
1058         kfree(pci_info);
1059         return 0;
1060
1061 err_eswitch:
1062         kfree(adapter->eswitch);
1063         adapter->eswitch = NULL;
1064 err_npars:
1065         kfree(adapter->npars);
1066         adapter->npars = NULL;
1067 err_pci_info:
1068         kfree(pci_info);
1069
1070         return ret;
1071 }
1072
1073 static int
1074 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1075 {
1076         u8 id;
1077         int ret;
1078         u32 data = QLCNIC_MGMT_FUNC;
1079         struct qlcnic_hardware_context *ahw = adapter->ahw;
1080
1081         ret = qlcnic_api_lock(adapter);
1082         if (ret)
1083                 goto err_lock;
1084
1085         id = ahw->pci_func;
1086         data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1087         data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1088                QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1089         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1090         qlcnic_api_unlock(adapter);
1091 err_lock:
1092         return ret;
1093 }
1094
1095 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1096                             const struct pci_device_id *ent)
1097 {
1098         u32 op_mode, priv_level;
1099
1100         /* Determine FW API version */
1101         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1102                                                            QLCNIC_FW_API);
1103
1104         /* Find PCI function number */
1105         qlcnic_get_func_no(adapter);
1106
1107         /* Determine function privilege level */
1108         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1109         if (op_mode == QLC_DEV_DRV_DEFAULT)
1110                 priv_level = QLCNIC_MGMT_FUNC;
1111         else
1112                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1113
1114         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1115                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1116                 dev_info(&adapter->pdev->dev,
1117                         "HAL Version: %d Non Privileged function\n",
1118                          adapter->ahw->fw_hal_version);
1119                 adapter->nic_ops = &qlcnic_vf_ops;
1120         } else
1121                 adapter->nic_ops = &qlcnic_ops;
1122 }
1123
1124 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1125 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1126 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1127 {
1128         switch (dev_id) {
1129         case PCI_DEVICE_ID_QLOGIC_QLE824X:
1130                 *bar = QLCNIC_82XX_BAR0_LENGTH;
1131                 break;
1132         case PCI_DEVICE_ID_QLOGIC_QLE834X:
1133         case PCI_DEVICE_ID_QLOGIC_QLE844X:
1134         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1135         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1136                 *bar = QLCNIC_83XX_BAR0_LENGTH;
1137                 break;
1138         default:
1139                 *bar = 0;
1140         }
1141 }
1142
1143 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1144                                 struct qlcnic_hardware_context *ahw)
1145 {
1146         u32 offset;
1147         void __iomem *mem_ptr0 = NULL;
1148         unsigned long mem_len, pci_len0 = 0, bar0_len;
1149
1150         /* remap phys address */
1151         mem_len = pci_resource_len(pdev, 0);
1152
1153         qlcnic_get_bar_length(pdev->device, &bar0_len);
1154         if (mem_len >= bar0_len) {
1155
1156                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1157                 if (mem_ptr0 == NULL) {
1158                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1159                         return -EIO;
1160                 }
1161                 pci_len0 = mem_len;
1162         } else {
1163                 return -EIO;
1164         }
1165
1166         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1167
1168         ahw->pci_base0 = mem_ptr0;
1169         ahw->pci_len0 = pci_len0;
1170         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1171         qlcnic_get_ioaddr(ahw, offset);
1172
1173         return 0;
1174 }
1175
1176 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1177                                          int index)
1178 {
1179         struct pci_dev *pdev = adapter->pdev;
1180         unsigned short subsystem_vendor;
1181         bool ret = true;
1182
1183         subsystem_vendor = pdev->subsystem_vendor;
1184
1185         if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1186             pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1187                 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1188                     qlcnic_boards[index].sub_device == pdev->subsystem_device)
1189                         ret = true;
1190                 else
1191                         ret = false;
1192         }
1193
1194         return ret;
1195 }
1196
1197 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1198 {
1199         struct pci_dev *pdev = adapter->pdev;
1200         int i, found = 0;
1201
1202         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1203                 if (qlcnic_boards[i].vendor == pdev->vendor &&
1204                     qlcnic_boards[i].device == pdev->device &&
1205                     qlcnic_validate_subsystem_id(adapter, i)) {
1206                         found = 1;
1207                         break;
1208                 }
1209         }
1210
1211         if (!found)
1212                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1213         else
1214                 sprintf(name, "%pM: %s" , adapter->mac_addr,
1215                         qlcnic_boards[i].short_name);
1216 }
1217
1218 static void
1219 qlcnic_check_options(struct qlcnic_adapter *adapter)
1220 {
1221         int err;
1222         u32 fw_major, fw_minor, fw_build, prev_fw_version;
1223         struct pci_dev *pdev = adapter->pdev;
1224         struct qlcnic_hardware_context *ahw = adapter->ahw;
1225         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1226
1227         prev_fw_version = adapter->fw_version;
1228
1229         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1230         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1231         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1232
1233         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1234
1235         err = qlcnic_get_board_info(adapter);
1236         if (err) {
1237                 dev_err(&pdev->dev, "Error getting board config info.\n");
1238                 return;
1239         }
1240         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1241                 if (fw_dump->tmpl_hdr == NULL ||
1242                                 adapter->fw_version > prev_fw_version) {
1243                         if (fw_dump->tmpl_hdr)
1244                                 vfree(fw_dump->tmpl_hdr);
1245                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1246                                 dev_info(&pdev->dev,
1247                                         "Supports FW dump capability\n");
1248                 }
1249         }
1250
1251         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1252                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1253
1254         if (adapter->ahw->port_type == QLCNIC_XGBE) {
1255                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1256                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1257                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1258                 } else {
1259                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1260                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1261                 }
1262
1263                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1264                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1265
1266         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1267                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1268                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1269                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1270                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1271         }
1272
1273         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1274
1275         adapter->num_txd = MAX_CMD_DESCRIPTORS;
1276
1277         adapter->max_rds_rings = MAX_RDS_RINGS;
1278 }
1279
1280 static int
1281 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1282 {
1283         struct qlcnic_info nic_info;
1284         int err = 0;
1285
1286         memset(&nic_info, 0, sizeof(struct qlcnic_info));
1287         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1288         if (err)
1289                 return err;
1290
1291         adapter->ahw->physical_port = (u8)nic_info.phys_port;
1292         adapter->ahw->switch_mode = nic_info.switch_mode;
1293         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1294         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1295         adapter->ahw->capabilities = nic_info.capabilities;
1296
1297         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1298                 u32 temp;
1299                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1300                 if (err == -EIO)
1301                         return err;
1302                 adapter->ahw->extra_capability[0] = temp;
1303         } else {
1304                 adapter->ahw->extra_capability[0] = 0;
1305         }
1306
1307         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1308         adapter->ahw->max_mtu = nic_info.max_mtu;
1309
1310         if (adapter->ahw->capabilities & BIT_6) {
1311                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1312                 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1313                 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1314                 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1315
1316                 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1317         } else {
1318                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1319                 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1320                 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1321                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1322         }
1323
1324         return err;
1325 }
1326
1327 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1328                             struct qlcnic_esw_func_cfg *esw_cfg)
1329 {
1330         if (esw_cfg->discard_tagged)
1331                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1332         else
1333                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1334
1335         if (esw_cfg->vlan_id) {
1336                 adapter->rx_pvid = esw_cfg->vlan_id;
1337                 adapter->tx_pvid = esw_cfg->vlan_id;
1338         } else {
1339                 adapter->rx_pvid = 0;
1340                 adapter->tx_pvid = 0;
1341         }
1342 }
1343
1344 static int
1345 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1346 {
1347         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1348         int err;
1349
1350         if (qlcnic_sriov_vf_check(adapter)) {
1351                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1352                 if (err) {
1353                         netdev_err(netdev,
1354                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1355                                    vid, err);
1356                         return err;
1357                 }
1358         }
1359
1360         set_bit(vid, adapter->vlans);
1361         return 0;
1362 }
1363
1364 static int
1365 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1366 {
1367         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1368         int err;
1369
1370         if (qlcnic_sriov_vf_check(adapter)) {
1371                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1372                 if (err) {
1373                         netdev_err(netdev,
1374                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1375                                    vid, err);
1376                         return err;
1377                 }
1378         }
1379
1380         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1381         clear_bit(vid, adapter->vlans);
1382         return 0;
1383 }
1384
1385 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1386                                       struct qlcnic_esw_func_cfg *esw_cfg)
1387 {
1388         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1389                                 QLCNIC_PROMISC_DISABLED);
1390
1391         if (esw_cfg->mac_anti_spoof)
1392                 adapter->flags |= QLCNIC_MACSPOOF;
1393
1394         if (!esw_cfg->mac_override)
1395                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1396
1397         if (!esw_cfg->promisc_mode)
1398                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1399 }
1400
1401 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1402 {
1403         struct qlcnic_esw_func_cfg esw_cfg;
1404
1405         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1406                 return 0;
1407
1408         esw_cfg.pci_func = adapter->ahw->pci_func;
1409         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1410                         return -EIO;
1411         qlcnic_set_vlan_config(adapter, &esw_cfg);
1412         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1413         qlcnic_set_netdev_features(adapter, &esw_cfg);
1414
1415         return 0;
1416 }
1417
1418 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1419                                 struct qlcnic_esw_func_cfg *esw_cfg)
1420 {
1421         struct net_device *netdev = adapter->netdev;
1422
1423         if (qlcnic_83xx_check(adapter))
1424                 return;
1425
1426         adapter->offload_flags = esw_cfg->offload_flags;
1427         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1428         netdev_update_features(netdev);
1429         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1430 }
1431
1432 static int
1433 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1434 {
1435         u32 op_mode, priv_level;
1436         int err = 0;
1437
1438         err = qlcnic_initialize_nic(adapter);
1439         if (err)
1440                 return err;
1441
1442         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1443                 return 0;
1444
1445         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1446         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1447
1448         if (op_mode == QLC_DEV_DRV_DEFAULT)
1449                 priv_level = QLCNIC_MGMT_FUNC;
1450         else
1451                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1452
1453         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1454                 if (priv_level == QLCNIC_MGMT_FUNC) {
1455                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1456                         err = qlcnic_init_pci_info(adapter);
1457                         if (err)
1458                                 return err;
1459                         /* Set privilege level for other functions */
1460                         qlcnic_set_function_modes(adapter);
1461                         dev_info(&adapter->pdev->dev,
1462                                 "HAL Version: %d, Management function\n",
1463                                  adapter->ahw->fw_hal_version);
1464                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1465                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1466                         dev_info(&adapter->pdev->dev,
1467                                 "HAL Version: %d, Privileged function\n",
1468                                  adapter->ahw->fw_hal_version);
1469                 }
1470         } else {
1471                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1472         }
1473
1474         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1475
1476         return err;
1477 }
1478
1479 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1480 {
1481         struct qlcnic_esw_func_cfg esw_cfg;
1482         struct qlcnic_npar_info *npar;
1483         u8 i;
1484
1485         if (adapter->need_fw_reset)
1486                 return 0;
1487
1488         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1489                 if (!adapter->npars[i].eswitch_status)
1490                         continue;
1491
1492                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1493                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1494                 esw_cfg.mac_override = BIT_0;
1495                 esw_cfg.promisc_mode = BIT_0;
1496                 if (qlcnic_82xx_check(adapter)) {
1497                         esw_cfg.offload_flags = BIT_0;
1498                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1499                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1500                 }
1501                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1502                         return -EIO;
1503                 npar = &adapter->npars[i];
1504                 npar->pvid = esw_cfg.vlan_id;
1505                 npar->mac_override = esw_cfg.mac_override;
1506                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1507                 npar->discard_tagged = esw_cfg.discard_tagged;
1508                 npar->promisc_mode = esw_cfg.promisc_mode;
1509                 npar->offload_flags = esw_cfg.offload_flags;
1510         }
1511
1512         return 0;
1513 }
1514
1515
1516 static int
1517 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1518                         struct qlcnic_npar_info *npar, int pci_func)
1519 {
1520         struct qlcnic_esw_func_cfg esw_cfg;
1521         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1522         esw_cfg.pci_func = pci_func;
1523         esw_cfg.vlan_id = npar->pvid;
1524         esw_cfg.mac_override = npar->mac_override;
1525         esw_cfg.discard_tagged = npar->discard_tagged;
1526         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1527         esw_cfg.offload_flags = npar->offload_flags;
1528         esw_cfg.promisc_mode = npar->promisc_mode;
1529         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1530                 return -EIO;
1531
1532         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1533         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1534                 return -EIO;
1535
1536         return 0;
1537 }
1538
1539 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1540 {
1541         int i, err;
1542         struct qlcnic_npar_info *npar;
1543         struct qlcnic_info nic_info;
1544         u8 pci_func;
1545
1546         if (qlcnic_82xx_check(adapter))
1547                 if (!adapter->need_fw_reset)
1548                         return 0;
1549
1550         /* Set the NPAR config data after FW reset */
1551         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1552                 npar = &adapter->npars[i];
1553                 pci_func = npar->pci_func;
1554                 if (!adapter->npars[i].eswitch_status)
1555                         continue;
1556
1557                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1558                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1559                 if (err)
1560                         return err;
1561                 nic_info.min_tx_bw = npar->min_bw;
1562                 nic_info.max_tx_bw = npar->max_bw;
1563                 err = qlcnic_set_nic_info(adapter, &nic_info);
1564                 if (err)
1565                         return err;
1566
1567                 if (npar->enable_pm) {
1568                         err = qlcnic_config_port_mirroring(adapter,
1569                                                            npar->dest_npar, 1,
1570                                                            pci_func);
1571                         if (err)
1572                                 return err;
1573                 }
1574                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1575                 if (err)
1576                         return err;
1577         }
1578         return 0;
1579 }
1580
1581 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1582 {
1583         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1584         u32 npar_state;
1585
1586         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1587                 return 0;
1588
1589         npar_state = QLC_SHARED_REG_RD32(adapter,
1590                                          QLCNIC_CRB_DEV_NPAR_STATE);
1591         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1592                 msleep(1000);
1593                 npar_state = QLC_SHARED_REG_RD32(adapter,
1594                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1595         }
1596         if (!npar_opt_timeo) {
1597                 dev_err(&adapter->pdev->dev,
1598                         "Waiting for NPAR state to operational timeout\n");
1599                 return -EIO;
1600         }
1601         return 0;
1602 }
1603
1604 static int
1605 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1606 {
1607         int err;
1608
1609         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1610             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1611                 return 0;
1612
1613         err = qlcnic_set_default_offload_settings(adapter);
1614         if (err)
1615                 return err;
1616
1617         err = qlcnic_reset_npar_config(adapter);
1618         if (err)
1619                 return err;
1620
1621         qlcnic_dev_set_npar_ready(adapter);
1622
1623         return err;
1624 }
1625
1626 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1627 {
1628         int err;
1629
1630         err = qlcnic_can_start_firmware(adapter);
1631         if (err < 0)
1632                 return err;
1633         else if (!err)
1634                 goto check_fw_status;
1635
1636         if (qlcnic_load_fw_file)
1637                 qlcnic_request_firmware(adapter);
1638         else {
1639                 err = qlcnic_check_flash_fw_ver(adapter);
1640                 if (err)
1641                         goto err_out;
1642
1643                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1644         }
1645
1646         err = qlcnic_need_fw_reset(adapter);
1647         if (err == 0)
1648                 goto check_fw_status;
1649
1650         err = qlcnic_pinit_from_rom(adapter);
1651         if (err)
1652                 goto err_out;
1653
1654         err = qlcnic_load_firmware(adapter);
1655         if (err)
1656                 goto err_out;
1657
1658         qlcnic_release_firmware(adapter);
1659         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1660
1661 check_fw_status:
1662         err = qlcnic_check_fw_status(adapter);
1663         if (err)
1664                 goto err_out;
1665
1666         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1667         qlcnic_idc_debug_info(adapter, 1);
1668         err = qlcnic_check_eswitch_mode(adapter);
1669         if (err) {
1670                 dev_err(&adapter->pdev->dev,
1671                         "Memory allocation failed for eswitch\n");
1672                 goto err_out;
1673         }
1674         err = qlcnic_set_mgmt_operations(adapter);
1675         if (err)
1676                 goto err_out;
1677
1678         qlcnic_check_options(adapter);
1679         adapter->need_fw_reset = 0;
1680
1681         qlcnic_release_firmware(adapter);
1682         return 0;
1683
1684 err_out:
1685         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1686         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1687
1688         qlcnic_release_firmware(adapter);
1689         return err;
1690 }
1691
1692 static int
1693 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1694 {
1695         irq_handler_t handler;
1696         struct qlcnic_host_sds_ring *sds_ring;
1697         struct qlcnic_host_tx_ring *tx_ring;
1698         int err, ring, num_sds_rings;
1699
1700         unsigned long flags = 0;
1701         struct net_device *netdev = adapter->netdev;
1702         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1703
1704         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1705                 if (qlcnic_82xx_check(adapter))
1706                         handler = qlcnic_tmp_intr;
1707                 else
1708                         handler = qlcnic_83xx_tmp_intr;
1709                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1710                         flags |= IRQF_SHARED;
1711
1712         } else {
1713                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1714                         handler = qlcnic_msix_intr;
1715                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1716                         handler = qlcnic_msi_intr;
1717                 else {
1718                         flags |= IRQF_SHARED;
1719                         if (qlcnic_82xx_check(adapter))
1720                                 handler = qlcnic_intr;
1721                         else
1722                                 handler = qlcnic_83xx_intr;
1723                 }
1724         }
1725         adapter->irq = netdev->irq;
1726
1727         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1728                 if (qlcnic_82xx_check(adapter) ||
1729                     (qlcnic_83xx_check(adapter) &&
1730                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1731                         num_sds_rings = adapter->drv_sds_rings;
1732                         for (ring = 0; ring < num_sds_rings; ring++) {
1733                                 sds_ring = &recv_ctx->sds_rings[ring];
1734                                 if (qlcnic_82xx_check(adapter) &&
1735                                     !qlcnic_check_multi_tx(adapter) &&
1736                                     (ring == (num_sds_rings - 1))) {
1737                                         if (!(adapter->flags &
1738                                               QLCNIC_MSIX_ENABLED))
1739                                                 snprintf(sds_ring->name,
1740                                                          sizeof(sds_ring->name),
1741                                                          "qlcnic");
1742                                         else
1743                                                 snprintf(sds_ring->name,
1744                                                          sizeof(sds_ring->name),
1745                                                          "%s-tx-0-rx-%d",
1746                                                          netdev->name, ring);
1747                                 } else {
1748                                         snprintf(sds_ring->name,
1749                                                  sizeof(sds_ring->name),
1750                                                  "%s-rx-%d",
1751                                                  netdev->name, ring);
1752                                 }
1753                                 err = request_irq(sds_ring->irq, handler, flags,
1754                                                   sds_ring->name, sds_ring);
1755                                 if (err)
1756                                         return err;
1757                         }
1758                 }
1759                 if ((qlcnic_82xx_check(adapter) &&
1760                      qlcnic_check_multi_tx(adapter)) ||
1761                     (qlcnic_83xx_check(adapter) &&
1762                      (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1763                      !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1764                         handler = qlcnic_msix_tx_intr;
1765                         for (ring = 0; ring < adapter->drv_tx_rings;
1766                              ring++) {
1767                                 tx_ring = &adapter->tx_ring[ring];
1768                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1769                                          "%s-tx-%d", netdev->name, ring);
1770                                 err = request_irq(tx_ring->irq, handler, flags,
1771                                                   tx_ring->name, tx_ring);
1772                                 if (err)
1773                                         return err;
1774                         }
1775                 }
1776         }
1777         return 0;
1778 }
1779
1780 static void
1781 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1782 {
1783         int ring;
1784         struct qlcnic_host_sds_ring *sds_ring;
1785         struct qlcnic_host_tx_ring *tx_ring;
1786
1787         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1788
1789         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1790                 if (qlcnic_82xx_check(adapter) ||
1791                     (qlcnic_83xx_check(adapter) &&
1792                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1793                         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1794                                 sds_ring = &recv_ctx->sds_rings[ring];
1795                                 free_irq(sds_ring->irq, sds_ring);
1796                         }
1797                 }
1798                 if ((qlcnic_83xx_check(adapter) &&
1799                      !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1800                     (qlcnic_82xx_check(adapter) &&
1801                      qlcnic_check_multi_tx(adapter))) {
1802                         for (ring = 0; ring < adapter->drv_tx_rings;
1803                              ring++) {
1804                                 tx_ring = &adapter->tx_ring[ring];
1805                                 if (tx_ring->irq)
1806                                         free_irq(tx_ring->irq, tx_ring);
1807                         }
1808                 }
1809         }
1810 }
1811
1812 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1813 {
1814         u32 capab = 0;
1815
1816         if (qlcnic_82xx_check(adapter)) {
1817                 if (adapter->ahw->extra_capability[0] &
1818                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1819                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1820         } else {
1821                 capab = adapter->ahw->capabilities;
1822                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1823                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1824         }
1825 }
1826
1827 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1828 {
1829         struct qlcnic_hardware_context *ahw = adapter->ahw;
1830         int err;
1831
1832         /* Initialize interrupt coalesce parameters */
1833         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1834
1835         if (qlcnic_83xx_check(adapter)) {
1836                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1837                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1838                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1839                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1840                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1841
1842                 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1843         } else {
1844                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1845                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1846                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1847
1848                 err = qlcnic_82xx_set_rx_coalesce(adapter);
1849         }
1850
1851         return err;
1852 }
1853
1854 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1855 {
1856         int ring;
1857         struct qlcnic_host_rds_ring *rds_ring;
1858
1859         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1860                 return -EIO;
1861
1862         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1863                 return 0;
1864
1865         if (qlcnic_set_eswitch_port_config(adapter))
1866                 return -EIO;
1867
1868         qlcnic_get_lro_mss_capability(adapter);
1869
1870         if (qlcnic_fw_create_ctx(adapter))
1871                 return -EIO;
1872
1873         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1874                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1875                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1876         }
1877
1878         qlcnic_set_multi(netdev);
1879         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1880
1881         adapter->ahw->linkup = 0;
1882
1883         if (adapter->drv_sds_rings > 1)
1884                 qlcnic_config_rss(adapter, 1);
1885
1886         qlcnic_config_def_intr_coalesce(adapter);
1887
1888         if (netdev->features & NETIF_F_LRO)
1889                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1890
1891         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1892         qlcnic_napi_enable(adapter);
1893
1894         qlcnic_linkevent_request(adapter, 1);
1895
1896         adapter->ahw->reset_context = 0;
1897         netif_tx_start_all_queues(netdev);
1898         return 0;
1899 }
1900
1901 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1902 {
1903         int err = 0;
1904
1905         rtnl_lock();
1906         if (netif_running(netdev))
1907                 err = __qlcnic_up(adapter, netdev);
1908         rtnl_unlock();
1909
1910         return err;
1911 }
1912
1913 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1914 {
1915         int ring;
1916
1917         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1918                 return;
1919
1920         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1921                 return;
1922
1923         smp_mb();
1924         netif_carrier_off(netdev);
1925         adapter->ahw->linkup = 0;
1926         netif_tx_disable(netdev);
1927
1928         qlcnic_free_mac_list(adapter);
1929
1930         if (adapter->fhash.fnum)
1931                 qlcnic_delete_lb_filters(adapter);
1932
1933         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1934         if (qlcnic_sriov_vf_check(adapter))
1935                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1936
1937         qlcnic_napi_disable(adapter);
1938
1939         qlcnic_fw_destroy_ctx(adapter);
1940         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1941
1942         qlcnic_reset_rx_buffers_list(adapter);
1943
1944         for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1945                 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1946 }
1947
1948 /* Usage: During suspend and firmware recovery module */
1949
1950 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1951 {
1952         rtnl_lock();
1953         if (netif_running(netdev))
1954                 __qlcnic_down(adapter, netdev);
1955         rtnl_unlock();
1956
1957 }
1958
1959 int
1960 qlcnic_attach(struct qlcnic_adapter *adapter)
1961 {
1962         struct net_device *netdev = adapter->netdev;
1963         struct pci_dev *pdev = adapter->pdev;
1964         int err;
1965
1966         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1967                 return 0;
1968
1969         err = qlcnic_napi_add(adapter, netdev);
1970         if (err)
1971                 return err;
1972
1973         err = qlcnic_alloc_sw_resources(adapter);
1974         if (err) {
1975                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1976                 goto err_out_napi_del;
1977         }
1978
1979         err = qlcnic_alloc_hw_resources(adapter);
1980         if (err) {
1981                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1982                 goto err_out_free_sw;
1983         }
1984
1985         err = qlcnic_request_irq(adapter);
1986         if (err) {
1987                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1988                 goto err_out_free_hw;
1989         }
1990
1991         qlcnic_create_sysfs_entries(adapter);
1992
1993 #ifdef CONFIG_QLCNIC_VXLAN
1994         if (qlcnic_encap_rx_offload(adapter))
1995                 vxlan_get_rx_port(netdev);
1996 #endif
1997
1998         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1999         return 0;
2000
2001 err_out_free_hw:
2002         qlcnic_free_hw_resources(adapter);
2003 err_out_free_sw:
2004         qlcnic_free_sw_resources(adapter);
2005 err_out_napi_del:
2006         qlcnic_napi_del(adapter);
2007         return err;
2008 }
2009
2010 void qlcnic_detach(struct qlcnic_adapter *adapter)
2011 {
2012         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2013                 return;
2014
2015         qlcnic_remove_sysfs_entries(adapter);
2016
2017         qlcnic_free_hw_resources(adapter);
2018         qlcnic_release_rx_buffers(adapter);
2019         qlcnic_free_irq(adapter);
2020         qlcnic_napi_del(adapter);
2021         qlcnic_free_sw_resources(adapter);
2022
2023         adapter->is_up = 0;
2024 }
2025
2026 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2027 {
2028         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2029         struct qlcnic_host_sds_ring *sds_ring;
2030         int drv_tx_rings = adapter->drv_tx_rings;
2031         int ring;
2032
2033         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2034         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2035                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2036                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2037                         qlcnic_disable_sds_intr(adapter, sds_ring);
2038                 }
2039         }
2040
2041         qlcnic_fw_destroy_ctx(adapter);
2042
2043         qlcnic_detach(adapter);
2044
2045         adapter->ahw->diag_test = 0;
2046         adapter->drv_sds_rings = drv_sds_rings;
2047         adapter->drv_tx_rings = drv_tx_rings;
2048
2049         if (qlcnic_attach(adapter))
2050                 goto out;
2051
2052         if (netif_running(netdev))
2053                 __qlcnic_up(adapter, netdev);
2054 out:
2055         netif_device_attach(netdev);
2056 }
2057
2058 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2059 {
2060         struct qlcnic_hardware_context *ahw = adapter->ahw;
2061         int err = 0;
2062
2063         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2064                                 GFP_KERNEL);
2065         if (!adapter->recv_ctx) {
2066                 err = -ENOMEM;
2067                 goto err_out;
2068         }
2069
2070         if (qlcnic_83xx_check(adapter)) {
2071                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2072                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2073                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2074                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2075                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2076         } else {
2077                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2078                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2079                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2080         }
2081
2082         /* clear stats */
2083         memset(&adapter->stats, 0, sizeof(adapter->stats));
2084 err_out:
2085         return err;
2086 }
2087
2088 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2089 {
2090         struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2091
2092         kfree(adapter->recv_ctx);
2093         adapter->recv_ctx = NULL;
2094
2095         if (fw_dump->tmpl_hdr) {
2096                 vfree(fw_dump->tmpl_hdr);
2097                 fw_dump->tmpl_hdr = NULL;
2098         }
2099
2100         if (fw_dump->dma_buffer) {
2101                 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2102                                   fw_dump->dma_buffer, fw_dump->phys_addr);
2103                 fw_dump->dma_buffer = NULL;
2104         }
2105
2106         kfree(adapter->ahw->reset.buff);
2107         adapter->ahw->fw_dump.tmpl_hdr = NULL;
2108 }
2109
2110 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2111 {
2112         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2113         struct qlcnic_host_sds_ring *sds_ring;
2114         struct qlcnic_host_rds_ring *rds_ring;
2115         int ring;
2116         int ret;
2117
2118         netif_device_detach(netdev);
2119
2120         if (netif_running(netdev))
2121                 __qlcnic_down(adapter, netdev);
2122
2123         qlcnic_detach(adapter);
2124
2125         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2126         adapter->ahw->diag_test = test;
2127         adapter->ahw->linkup = 0;
2128
2129         ret = qlcnic_attach(adapter);
2130         if (ret) {
2131                 netif_device_attach(netdev);
2132                 return ret;
2133         }
2134
2135         ret = qlcnic_fw_create_ctx(adapter);
2136         if (ret) {
2137                 qlcnic_detach(adapter);
2138                 netif_device_attach(netdev);
2139                 return ret;
2140         }
2141
2142         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2143                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2144                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2145         }
2146
2147         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2148                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2149                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2150                         qlcnic_enable_sds_intr(adapter, sds_ring);
2151                 }
2152         }
2153
2154         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2155                 adapter->ahw->loopback_state = 0;
2156                 qlcnic_linkevent_request(adapter, 1);
2157         }
2158
2159         set_bit(__QLCNIC_DEV_UP, &adapter->state);
2160
2161         return 0;
2162 }
2163
2164 /* Reset context in hardware only */
2165 static int
2166 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2167 {
2168         struct net_device *netdev = adapter->netdev;
2169
2170         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2171                 return -EBUSY;
2172
2173         netif_device_detach(netdev);
2174
2175         qlcnic_down(adapter, netdev);
2176
2177         qlcnic_up(adapter, netdev);
2178
2179         netif_device_attach(netdev);
2180
2181         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2182         netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2183         return 0;
2184 }
2185
2186 int
2187 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2188 {
2189         int err = 0;
2190         struct net_device *netdev = adapter->netdev;
2191
2192         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2193                 return -EBUSY;
2194
2195         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2196
2197                 netif_device_detach(netdev);
2198
2199                 if (netif_running(netdev))
2200                         __qlcnic_down(adapter, netdev);
2201
2202                 qlcnic_detach(adapter);
2203
2204                 if (netif_running(netdev)) {
2205                         err = qlcnic_attach(adapter);
2206                         if (!err) {
2207                                 __qlcnic_up(adapter, netdev);
2208                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2209                         }
2210                 }
2211
2212                 netif_device_attach(netdev);
2213         }
2214
2215         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2216         return err;
2217 }
2218
2219 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2220 {
2221         struct qlcnic_hardware_context *ahw = adapter->ahw;
2222         u16 act_pci_fn = ahw->total_nic_func;
2223         u16 count;
2224
2225         ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2226         if (act_pci_fn <= 2)
2227                 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2228                          act_pci_fn;
2229         else
2230                 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2231                          act_pci_fn;
2232         ahw->max_uc_count = count;
2233 }
2234
2235 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2236                                       u8 tx_queues, u8 rx_queues)
2237 {
2238         struct net_device *netdev = adapter->netdev;
2239         int err = 0;
2240
2241         if (tx_queues) {
2242                 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2243                 if (err) {
2244                         netdev_err(netdev, "failed to set %d Tx queues\n",
2245                                    tx_queues);
2246                         return err;
2247                 }
2248         }
2249
2250         if (rx_queues) {
2251                 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2252                 if (err)
2253                         netdev_err(netdev, "failed to set %d Rx queues\n",
2254                                    rx_queues);
2255         }
2256
2257         return err;
2258 }
2259
2260 int
2261 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2262                     int pci_using_dac)
2263 {
2264         int err;
2265         struct pci_dev *pdev = adapter->pdev;
2266
2267         adapter->rx_csum = 1;
2268         adapter->ahw->mc_enabled = 0;
2269         qlcnic_set_mac_filter_count(adapter);
2270
2271         netdev->netdev_ops         = &qlcnic_netdev_ops;
2272         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2273
2274         qlcnic_change_mtu(netdev, netdev->mtu);
2275
2276         netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2277                 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2278
2279         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2280                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2281                              NETIF_F_HW_VLAN_CTAG_RX);
2282         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2283                                   NETIF_F_IPV6_CSUM);
2284
2285         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2286                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2287                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2288         }
2289
2290         if (pci_using_dac) {
2291                 netdev->features |= NETIF_F_HIGHDMA;
2292                 netdev->vlan_features |= NETIF_F_HIGHDMA;
2293         }
2294
2295         if (qlcnic_vlan_tx_check(adapter))
2296                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2297
2298         if (qlcnic_sriov_vf_check(adapter))
2299                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2300
2301         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2302                 netdev->features |= NETIF_F_LRO;
2303
2304         if (qlcnic_encap_tx_offload(adapter)) {
2305                 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2306
2307                 /* encapsulation Tx offload supported by Adapter */
2308                 netdev->hw_enc_features = NETIF_F_IP_CSUM        |
2309                                           NETIF_F_GSO_UDP_TUNNEL |
2310                                           NETIF_F_TSO            |
2311                                           NETIF_F_TSO6;
2312         }
2313
2314         if (qlcnic_encap_rx_offload(adapter))
2315                 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2316
2317         netdev->hw_features = netdev->features;
2318         netdev->priv_flags |= IFF_UNICAST_FLT;
2319         netdev->irq = adapter->msix_entries[0].vector;
2320
2321         err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2322                                          adapter->drv_sds_rings);
2323         if (err)
2324                 return err;
2325
2326         err = register_netdev(netdev);
2327         if (err) {
2328                 dev_err(&pdev->dev, "failed to register net device\n");
2329                 return err;
2330         }
2331
2332         qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2333
2334         return 0;
2335 }
2336
2337 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2338 {
2339         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2340                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2341                 *pci_using_dac = 1;
2342         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2343                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2344                 *pci_using_dac = 0;
2345         else {
2346                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2347                 return -EIO;
2348         }
2349
2350         return 0;
2351 }
2352
2353 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2354 {
2355         int ring;
2356         struct qlcnic_host_tx_ring *tx_ring;
2357
2358         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2359                 tx_ring = &adapter->tx_ring[ring];
2360                 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2361                         vfree(tx_ring->cmd_buf_arr);
2362                         tx_ring->cmd_buf_arr = NULL;
2363                 }
2364         }
2365         if (adapter->tx_ring != NULL)
2366                 kfree(adapter->tx_ring);
2367 }
2368
2369 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2370                           struct net_device *netdev)
2371 {
2372         int ring, vector, index;
2373         struct qlcnic_host_tx_ring *tx_ring;
2374         struct qlcnic_cmd_buffer *cmd_buf_arr;
2375
2376         tx_ring = kcalloc(adapter->drv_tx_rings,
2377                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2378         if (tx_ring == NULL)
2379                 return -ENOMEM;
2380
2381         adapter->tx_ring = tx_ring;
2382
2383         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2384                 tx_ring = &adapter->tx_ring[ring];
2385                 tx_ring->num_desc = adapter->num_txd;
2386                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2387                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2388                 if (cmd_buf_arr == NULL) {
2389                         qlcnic_free_tx_rings(adapter);
2390                         return -ENOMEM;
2391                 }
2392                 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2393                 tx_ring->cmd_buf_arr = cmd_buf_arr;
2394                 spin_lock_init(&tx_ring->tx_clean_lock);
2395         }
2396
2397         if (qlcnic_83xx_check(adapter) ||
2398             (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2399                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2400                         tx_ring = &adapter->tx_ring[ring];
2401                         tx_ring->adapter = adapter;
2402                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2403                                 index = adapter->drv_sds_rings + ring;
2404                                 vector = adapter->msix_entries[index].vector;
2405                                 tx_ring->irq = vector;
2406                         }
2407                 }
2408         }
2409
2410         return 0;
2411 }
2412
2413 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2414 {
2415         struct qlcnic_hardware_context *ahw = adapter->ahw;
2416         u32 fw_cmd = 0;
2417
2418         if (qlcnic_82xx_check(adapter))
2419                 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2420         else if (qlcnic_83xx_check(adapter))
2421                 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2422
2423         if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2424                 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2425 }
2426
2427 /* Reset firmware API lock */
2428 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2429 {
2430         qlcnic_api_lock(adapter);
2431         qlcnic_api_unlock(adapter);
2432 }
2433
2434
2435 static int
2436 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2437 {
2438         struct net_device *netdev = NULL;
2439         struct qlcnic_adapter *adapter = NULL;
2440         struct qlcnic_hardware_context *ahw;
2441         int err, pci_using_dac = -1;
2442         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2443
2444         err = pci_enable_device(pdev);
2445         if (err)
2446                 return err;
2447
2448         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2449                 err = -ENODEV;
2450                 goto err_out_disable_pdev;
2451         }
2452
2453         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2454         if (err)
2455                 goto err_out_disable_pdev;
2456
2457         err = pci_request_regions(pdev, qlcnic_driver_name);
2458         if (err)
2459                 goto err_out_disable_pdev;
2460
2461         pci_set_master(pdev);
2462         pci_enable_pcie_error_reporting(pdev);
2463
2464         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2465         if (!ahw) {
2466                 err = -ENOMEM;
2467                 goto err_out_free_res;
2468         }
2469
2470         switch (ent->device) {
2471         case PCI_DEVICE_ID_QLOGIC_QLE824X:
2472                 ahw->hw_ops = &qlcnic_hw_ops;
2473                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2474                 break;
2475         case PCI_DEVICE_ID_QLOGIC_QLE834X:
2476         case PCI_DEVICE_ID_QLOGIC_QLE844X:
2477                 qlcnic_83xx_register_map(ahw);
2478                 break;
2479         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2480         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2481                 qlcnic_sriov_vf_register_map(ahw);
2482                 break;
2483         default:
2484                 goto err_out_free_hw_res;
2485         }
2486
2487         err = qlcnic_setup_pci_map(pdev, ahw);
2488         if (err)
2489                 goto err_out_free_hw_res;
2490
2491         netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2492                                    QLCNIC_MAX_TX_RINGS);
2493         if (!netdev) {
2494                 err = -ENOMEM;
2495                 goto err_out_iounmap;
2496         }
2497
2498         SET_NETDEV_DEV(netdev, &pdev->dev);
2499
2500         adapter = netdev_priv(netdev);
2501         adapter->netdev  = netdev;
2502         adapter->pdev    = pdev;
2503         adapter->ahw = ahw;
2504
2505         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2506         if (adapter->qlcnic_wq == NULL) {
2507                 err = -ENOMEM;
2508                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2509                 goto err_out_free_netdev;
2510         }
2511
2512         err = qlcnic_alloc_adapter_resources(adapter);
2513         if (err)
2514                 goto err_out_free_wq;
2515
2516         adapter->dev_rst_time = jiffies;
2517         ahw->revision_id = pdev->revision;
2518         ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2519         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2520                 adapter->fdb_mac_learn = true;
2521         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2522                 adapter->drv_mac_learn = true;
2523
2524         rwlock_init(&adapter->ahw->crb_lock);
2525         mutex_init(&adapter->ahw->mem_lock);
2526
2527         INIT_LIST_HEAD(&adapter->mac_list);
2528
2529         qlcnic_register_dcb(adapter);
2530
2531         if (qlcnic_82xx_check(adapter)) {
2532                 qlcnic_check_vf(adapter, ent);
2533                 adapter->portnum = adapter->ahw->pci_func;
2534                 qlcnic_reset_api_lock(adapter);
2535                 err = qlcnic_start_firmware(adapter);
2536                 if (err) {
2537                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2538                                 "\t\tIf reboot doesn't help, try flashing the card\n");
2539                         goto err_out_maintenance_mode;
2540                 }
2541
2542                 /* compute and set default and max tx/sds rings */
2543                 if (adapter->ahw->msix_supported) {
2544                         if (qlcnic_check_multi_tx_capability(adapter) == 1)
2545                                 qlcnic_set_tx_ring_count(adapter,
2546                                                          QLCNIC_SINGLE_RING);
2547                         else
2548                                 qlcnic_set_tx_ring_count(adapter,
2549                                                          QLCNIC_DEF_TX_RINGS);
2550                         qlcnic_set_sds_ring_count(adapter,
2551                                                   QLCNIC_DEF_SDS_RINGS);
2552                 } else {
2553                         qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2554                         qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2555                 }
2556
2557                 err = qlcnic_setup_idc_param(adapter);
2558                 if (err)
2559                         goto err_out_free_hw;
2560
2561                 adapter->flags |= QLCNIC_NEED_FLR;
2562
2563         } else if (qlcnic_83xx_check(adapter)) {
2564                 qlcnic_83xx_check_vf(adapter, ent);
2565                 adapter->portnum = adapter->ahw->pci_func;
2566                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2567                 if (err) {
2568                         switch (err) {
2569                         case -ENOTRECOVERABLE:
2570                                 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2571                                 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2572                                 goto err_out_free_hw;
2573                         case -ENOMEM:
2574                                 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2575                                 goto err_out_free_hw;
2576                         case -EOPNOTSUPP:
2577                                 dev_err(&pdev->dev, "Adapter initialization failed\n");
2578                                 goto err_out_free_hw;
2579                         default:
2580                                 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2581                                 goto err_out_maintenance_mode;
2582                         }
2583                 }
2584
2585                 if (qlcnic_sriov_vf_check(adapter))
2586                         return 0;
2587         } else {
2588                 dev_err(&pdev->dev,
2589                         "%s: failed. Please Reboot\n", __func__);
2590                 goto err_out_free_hw;
2591         }
2592
2593         if (qlcnic_read_mac_addr(adapter))
2594                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2595
2596         qlcnic_read_phys_port_id(adapter);
2597
2598         if (adapter->portnum == 0) {
2599                 qlcnic_get_board_name(adapter, board_name);
2600
2601                 pr_info("%s: %s Board Chip rev 0x%x\n",
2602                         module_name(THIS_MODULE),
2603                         board_name, adapter->ahw->revision_id);
2604         }
2605
2606         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2607             !!qlcnic_use_msi)
2608                 dev_warn(&pdev->dev,
2609                          "Device does not support MSI interrupts\n");
2610
2611         if (qlcnic_82xx_check(adapter)) {
2612                 qlcnic_dcb_enable(adapter->dcb);
2613                 qlcnic_dcb_get_info(adapter->dcb);
2614                 err = qlcnic_setup_intr(adapter);
2615
2616                 if (err) {
2617                         dev_err(&pdev->dev, "Failed to setup interrupt\n");
2618                         goto err_out_disable_msi;
2619                 }
2620         }
2621
2622         err = qlcnic_get_act_pci_func(adapter);
2623         if (err)
2624                 goto err_out_disable_mbx_intr;
2625
2626         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2627         if (err)
2628                 goto err_out_disable_mbx_intr;
2629
2630         if (adapter->portnum == 0)
2631                 qlcnic_set_drv_version(adapter);
2632
2633         pci_set_drvdata(pdev, adapter);
2634
2635         if (qlcnic_82xx_check(adapter))
2636                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2637                                      FW_POLL_DELAY);
2638
2639         switch (adapter->ahw->port_type) {
2640         case QLCNIC_GBE:
2641                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2642                                 adapter->netdev->name);
2643                 break;
2644         case QLCNIC_XGBE:
2645                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2646                                 adapter->netdev->name);
2647                 break;
2648         }
2649
2650         if (adapter->drv_mac_learn)
2651                 qlcnic_alloc_lb_filters_mem(adapter);
2652
2653         qlcnic_add_sysfs(adapter);
2654         qlcnic_register_hwmon_dev(adapter);
2655         return 0;
2656
2657 err_out_disable_mbx_intr:
2658         if (qlcnic_83xx_check(adapter))
2659                 qlcnic_83xx_free_mbx_intr(adapter);
2660
2661 err_out_disable_msi:
2662         qlcnic_teardown_intr(adapter);
2663         qlcnic_cancel_idc_work(adapter);
2664         qlcnic_clr_all_drv_state(adapter, 0);
2665
2666 err_out_free_hw:
2667         qlcnic_free_adapter_resources(adapter);
2668
2669 err_out_free_wq:
2670         destroy_workqueue(adapter->qlcnic_wq);
2671
2672 err_out_free_netdev:
2673         free_netdev(netdev);
2674
2675 err_out_iounmap:
2676         qlcnic_cleanup_pci_map(ahw);
2677
2678 err_out_free_hw_res:
2679         kfree(ahw);
2680
2681 err_out_free_res:
2682         pci_release_regions(pdev);
2683
2684 err_out_disable_pdev:
2685         pci_disable_device(pdev);
2686         return err;
2687
2688 err_out_maintenance_mode:
2689         set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2690         netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2691         netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2692         ahw->port_type = QLCNIC_XGBE;
2693
2694         if (qlcnic_83xx_check(adapter))
2695                 adapter->tgt_status_reg = NULL;
2696         else
2697                 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2698
2699         err = register_netdev(netdev);
2700
2701         if (err) {
2702                 dev_err(&pdev->dev, "Failed to register net device\n");
2703                 qlcnic_clr_all_drv_state(adapter, 0);
2704                 goto err_out_free_hw;
2705         }
2706
2707         pci_set_drvdata(pdev, adapter);
2708         qlcnic_add_sysfs(adapter);
2709
2710         return 0;
2711 }
2712
2713 static void qlcnic_remove(struct pci_dev *pdev)
2714 {
2715         struct qlcnic_adapter *adapter;
2716         struct net_device *netdev;
2717         struct qlcnic_hardware_context *ahw;
2718
2719         adapter = pci_get_drvdata(pdev);
2720         if (adapter == NULL)
2721                 return;
2722
2723         netdev = adapter->netdev;
2724
2725         qlcnic_cancel_idc_work(adapter);
2726         qlcnic_sriov_pf_disable(adapter);
2727         ahw = adapter->ahw;
2728
2729         unregister_netdev(netdev);
2730         qlcnic_sriov_cleanup(adapter);
2731
2732         if (qlcnic_83xx_check(adapter)) {
2733                 qlcnic_83xx_initialize_nic(adapter, 0);
2734                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2735                 qlcnic_83xx_free_mbx_intr(adapter);
2736                 qlcnic_83xx_detach_mailbox_work(adapter);
2737                 qlcnic_83xx_free_mailbox(ahw->mailbox);
2738                 kfree(ahw->fw_info);
2739         }
2740
2741         qlcnic_dcb_free(adapter->dcb);
2742
2743         qlcnic_detach(adapter);
2744
2745         if (adapter->npars != NULL)
2746                 kfree(adapter->npars);
2747         if (adapter->eswitch != NULL)
2748                 kfree(adapter->eswitch);
2749
2750         if (qlcnic_82xx_check(adapter))
2751                 qlcnic_clr_all_drv_state(adapter, 0);
2752
2753         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2754
2755         qlcnic_free_lb_filters_mem(adapter);
2756
2757         qlcnic_teardown_intr(adapter);
2758
2759         qlcnic_remove_sysfs(adapter);
2760
2761         qlcnic_unregister_hwmon_dev(adapter);
2762
2763         qlcnic_cleanup_pci_map(adapter->ahw);
2764
2765         qlcnic_release_firmware(adapter);
2766
2767         pci_disable_pcie_error_reporting(pdev);
2768         pci_release_regions(pdev);
2769         pci_disable_device(pdev);
2770
2771         if (adapter->qlcnic_wq) {
2772                 destroy_workqueue(adapter->qlcnic_wq);
2773                 adapter->qlcnic_wq = NULL;
2774         }
2775
2776         qlcnic_free_adapter_resources(adapter);
2777         kfree(ahw);
2778         free_netdev(netdev);
2779 }
2780
2781 static void qlcnic_shutdown(struct pci_dev *pdev)
2782 {
2783         if (__qlcnic_shutdown(pdev))
2784                 return;
2785
2786         pci_disable_device(pdev);
2787 }
2788
2789 #ifdef CONFIG_PM
2790 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2791 {
2792         int retval;
2793
2794         retval = __qlcnic_shutdown(pdev);
2795         if (retval)
2796                 return retval;
2797
2798         pci_set_power_state(pdev, pci_choose_state(pdev, state));
2799         return 0;
2800 }
2801
2802 static int qlcnic_resume(struct pci_dev *pdev)
2803 {
2804         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2805         int err;
2806
2807         err = pci_enable_device(pdev);
2808         if (err)
2809                 return err;
2810
2811         pci_set_power_state(pdev, PCI_D0);
2812         pci_set_master(pdev);
2813         pci_restore_state(pdev);
2814
2815         return  __qlcnic_resume(adapter);
2816 }
2817 #endif
2818
2819 static int qlcnic_open(struct net_device *netdev)
2820 {
2821         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2822         int err;
2823
2824         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2825                 netdev_err(netdev, "%s: Device is in non-operational state\n",
2826                            __func__);
2827
2828                 return -EIO;
2829         }
2830
2831         netif_carrier_off(netdev);
2832
2833         err = qlcnic_attach(adapter);
2834         if (err)
2835                 return err;
2836
2837         err = __qlcnic_up(adapter, netdev);
2838         if (err)
2839                 qlcnic_detach(adapter);
2840
2841         return err;
2842 }
2843
2844 /*
2845  * qlcnic_close - Disables a network interface entry point
2846  */
2847 static int qlcnic_close(struct net_device *netdev)
2848 {
2849         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2850
2851         __qlcnic_down(adapter, netdev);
2852
2853         return 0;
2854 }
2855
2856 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2857
2858 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2859 {
2860         void *head;
2861         int i;
2862         struct net_device *netdev = adapter->netdev;
2863         u32 filter_size = 0;
2864         u16 act_pci_func = 0;
2865
2866         if (adapter->fhash.fmax && adapter->fhash.fhead)
2867                 return;
2868
2869         act_pci_func = adapter->ahw->total_nic_func;
2870         spin_lock_init(&adapter->mac_learn_lock);
2871         spin_lock_init(&adapter->rx_mac_learn_lock);
2872
2873         if (qlcnic_sriov_vf_check(adapter)) {
2874                 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2875                 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2876         } else if (qlcnic_82xx_check(adapter)) {
2877                 filter_size = QLCNIC_LB_MAX_FILTERS;
2878                 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2879         } else {
2880                 filter_size = QLC_83XX_LB_MAX_FILTERS;
2881                 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2882         }
2883
2884         head = kcalloc(adapter->fhash.fbucket_size,
2885                        sizeof(struct hlist_head), GFP_ATOMIC);
2886
2887         if (!head)
2888                 return;
2889
2890         adapter->fhash.fmax = (filter_size / act_pci_func);
2891         adapter->fhash.fhead = head;
2892
2893         netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2894                     act_pci_func, adapter->fhash.fmax);
2895
2896         for (i = 0; i < adapter->fhash.fbucket_size; i++)
2897                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2898
2899         adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2900
2901         head = kcalloc(adapter->rx_fhash.fbucket_size,
2902                        sizeof(struct hlist_head), GFP_ATOMIC);
2903
2904         if (!head)
2905                 return;
2906
2907         adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2908         adapter->rx_fhash.fhead = head;
2909
2910         for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2911                 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2912 }
2913
2914 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2915 {
2916         if (adapter->fhash.fmax && adapter->fhash.fhead)
2917                 kfree(adapter->fhash.fhead);
2918
2919         adapter->fhash.fhead = NULL;
2920         adapter->fhash.fmax = 0;
2921
2922         if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2923                 kfree(adapter->rx_fhash.fhead);
2924
2925         adapter->rx_fhash.fmax = 0;
2926         adapter->rx_fhash.fhead = NULL;
2927 }
2928
2929 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2930 {
2931         struct net_device *netdev = adapter->netdev;
2932         u32 temp_state, temp_val, temp = 0;
2933         int rv = 0;
2934
2935         if (qlcnic_83xx_check(adapter))
2936                 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2937
2938         if (qlcnic_82xx_check(adapter))
2939                 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2940
2941         temp_state = qlcnic_get_temp_state(temp);
2942         temp_val = qlcnic_get_temp_val(temp);
2943
2944         if (temp_state == QLCNIC_TEMP_PANIC) {
2945                 dev_err(&netdev->dev,
2946                        "Device temperature %d degrees C exceeds"
2947                        " maximum allowed. Hardware has been shut down.\n",
2948                        temp_val);
2949                 rv = 1;
2950         } else if (temp_state == QLCNIC_TEMP_WARN) {
2951                 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2952                         dev_err(&netdev->dev,
2953                                "Device temperature %d degrees C "
2954                                "exceeds operating range."
2955                                " Immediate action needed.\n",
2956                                temp_val);
2957                 }
2958         } else {
2959                 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2960                         dev_info(&netdev->dev,
2961                                "Device temperature is now %d degrees C"
2962                                " in normal range.\n", temp_val);
2963                 }
2964         }
2965         adapter->ahw->temp = temp_state;
2966         return rv;
2967 }
2968
2969 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2970 {
2971         int i;
2972         struct cmd_desc_type0 *tx_desc_info;
2973
2974         for (i = 0; i < tx_ring->num_desc; i++) {
2975                 tx_desc_info = &tx_ring->desc_head[i];
2976                 pr_info("TX Desc: %d\n", i);
2977                 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2978                                &tx_ring->desc_head[i],
2979                                sizeof(struct cmd_desc_type0), true);
2980         }
2981 }
2982
2983 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2984 {
2985         struct net_device *netdev = adapter->netdev;
2986         struct qlcnic_host_tx_ring *tx_ring;
2987         int ring;
2988
2989         if (!netdev || !netif_running(netdev))
2990                 return;
2991
2992         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2993                 tx_ring = &adapter->tx_ring[ring];
2994                 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2995                             ring, tx_ring->ctx_id);
2996                 netdev_info(netdev,
2997                             "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2998                             tx_ring->tx_stats.xmit_finished,
2999                             tx_ring->tx_stats.xmit_called,
3000                             tx_ring->tx_stats.xmit_on,
3001                             tx_ring->tx_stats.xmit_off);
3002
3003                 if (tx_ring->crb_intr_mask)
3004                         netdev_info(netdev, "crb_intr_mask=%d\n",
3005                                     readl(tx_ring->crb_intr_mask));
3006
3007                 netdev_info(netdev,
3008                             "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3009                             readl(tx_ring->crb_cmd_producer),
3010                             tx_ring->producer, tx_ring->sw_consumer,
3011                             le32_to_cpu(*(tx_ring->hw_consumer)));
3012
3013                 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3014                             tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3015
3016                 if (netif_msg_tx_done(adapter->ahw))
3017                         dump_tx_ring_desc(tx_ring);
3018         }
3019 }
3020
3021 static void qlcnic_tx_timeout(struct net_device *netdev)
3022 {
3023         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3024
3025         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3026                 return;
3027
3028         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
3029                 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
3030                 if (qlcnic_82xx_check(adapter))
3031                         adapter->need_fw_reset = 1;
3032                 else if (qlcnic_83xx_check(adapter))
3033                         qlcnic_83xx_idc_request_reset(adapter,
3034                                                       QLCNIC_FORCE_FW_DUMP_KEY);
3035         } else {
3036                 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
3037                 qlcnic_dump_tx_rings(adapter);
3038                 adapter->ahw->reset_context = 1;
3039         }
3040 }
3041
3042 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3043 {
3044         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3045         struct net_device_stats *stats = &netdev->stats;
3046
3047         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3048                 qlcnic_update_stats(adapter);
3049
3050         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3051         stats->tx_packets = adapter->stats.xmitfinished;
3052         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3053         stats->tx_bytes = adapter->stats.txbytes;
3054         stats->rx_dropped = adapter->stats.rxdropped;
3055         stats->tx_dropped = adapter->stats.txdropped;
3056
3057         return stats;
3058 }
3059
3060 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3061 {
3062         u32 status;
3063
3064         status = readl(adapter->isr_int_vec);
3065
3066         if (!(status & adapter->ahw->int_vec_bit))
3067                 return IRQ_NONE;
3068
3069         /* check interrupt state machine, to be sure */
3070         status = readl(adapter->crb_int_state_reg);
3071         if (!ISR_LEGACY_INT_TRIGGERED(status))
3072                 return IRQ_NONE;
3073
3074         writel(0xffffffff, adapter->tgt_status_reg);
3075         /* read twice to ensure write is flushed */
3076         readl(adapter->isr_int_vec);
3077         readl(adapter->isr_int_vec);
3078
3079         return IRQ_HANDLED;
3080 }
3081
3082 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3083 {
3084         struct qlcnic_host_sds_ring *sds_ring = data;
3085         struct qlcnic_adapter *adapter = sds_ring->adapter;
3086
3087         if (adapter->flags & QLCNIC_MSIX_ENABLED)
3088                 goto done;
3089         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3090                 writel(0xffffffff, adapter->tgt_status_reg);
3091                 goto done;
3092         }
3093
3094         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3095                 return IRQ_NONE;
3096
3097 done:
3098         adapter->ahw->diag_cnt++;
3099         qlcnic_enable_sds_intr(adapter, sds_ring);
3100         return IRQ_HANDLED;
3101 }
3102
3103 static irqreturn_t qlcnic_intr(int irq, void *data)
3104 {
3105         struct qlcnic_host_sds_ring *sds_ring = data;
3106         struct qlcnic_adapter *adapter = sds_ring->adapter;
3107
3108         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3109                 return IRQ_NONE;
3110
3111         napi_schedule(&sds_ring->napi);
3112
3113         return IRQ_HANDLED;
3114 }
3115
3116 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3117 {
3118         struct qlcnic_host_sds_ring *sds_ring = data;
3119         struct qlcnic_adapter *adapter = sds_ring->adapter;
3120
3121         /* clear interrupt */
3122         writel(0xffffffff, adapter->tgt_status_reg);
3123
3124         napi_schedule(&sds_ring->napi);
3125         return IRQ_HANDLED;
3126 }
3127
3128 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3129 {
3130         struct qlcnic_host_sds_ring *sds_ring = data;
3131
3132         napi_schedule(&sds_ring->napi);
3133         return IRQ_HANDLED;
3134 }
3135
3136 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3137 {
3138         struct qlcnic_host_tx_ring *tx_ring = data;
3139
3140         napi_schedule(&tx_ring->napi);
3141         return IRQ_HANDLED;
3142 }
3143
3144 #ifdef CONFIG_NET_POLL_CONTROLLER
3145 static void qlcnic_poll_controller(struct net_device *netdev)
3146 {
3147         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3148         struct qlcnic_host_sds_ring *sds_ring;
3149         struct qlcnic_recv_context *recv_ctx;
3150         struct qlcnic_host_tx_ring *tx_ring;
3151         int ring;
3152
3153         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3154                 return;
3155
3156         recv_ctx = adapter->recv_ctx;
3157
3158         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3159                 sds_ring = &recv_ctx->sds_rings[ring];
3160                 qlcnic_disable_sds_intr(adapter, sds_ring);
3161                 napi_schedule(&sds_ring->napi);
3162         }
3163
3164         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3165                 /* Only Multi-Tx queue capable devices need to
3166                  * schedule NAPI for TX rings
3167                  */
3168                 if ((qlcnic_83xx_check(adapter) &&
3169                      (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3170                     (qlcnic_82xx_check(adapter) &&
3171                      !qlcnic_check_multi_tx(adapter)))
3172                         return;
3173
3174                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3175                         tx_ring = &adapter->tx_ring[ring];
3176                         qlcnic_disable_tx_intr(adapter, tx_ring);
3177                         napi_schedule(&tx_ring->napi);
3178                 }
3179         }
3180 }
3181 #endif
3182
3183 static void
3184 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3185 {
3186         u32 val;
3187
3188         val = adapter->portnum & 0xf;
3189         val |= encoding << 7;
3190         val |= (jiffies - adapter->dev_rst_time) << 8;
3191
3192         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3193         adapter->dev_rst_time = jiffies;
3194 }
3195
3196 static int
3197 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3198 {
3199         u32  val;
3200
3201         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3202                         state != QLCNIC_DEV_NEED_QUISCENT);
3203
3204         if (qlcnic_api_lock(adapter))
3205                 return -EIO;
3206
3207         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3208
3209         if (state == QLCNIC_DEV_NEED_RESET)
3210                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3211         else if (state == QLCNIC_DEV_NEED_QUISCENT)
3212                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3213
3214         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3215
3216         qlcnic_api_unlock(adapter);
3217
3218         return 0;
3219 }
3220
3221 static int
3222 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3223 {
3224         u32  val;
3225
3226         if (qlcnic_api_lock(adapter))
3227                 return -EBUSY;
3228
3229         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3230         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3231         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3232
3233         qlcnic_api_unlock(adapter);
3234
3235         return 0;
3236 }
3237
3238 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3239 {
3240         u32  val;
3241
3242         if (qlcnic_api_lock(adapter))
3243                 goto err;
3244
3245         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3246         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3247         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3248
3249         if (failed) {
3250                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3251                                     QLCNIC_DEV_FAILED);
3252                 dev_info(&adapter->pdev->dev,
3253                                 "Device state set to Failed. Please Reboot\n");
3254         } else if (!(val & 0x11111111))
3255                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3256                                     QLCNIC_DEV_COLD);
3257
3258         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3259         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3260         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3261
3262         qlcnic_api_unlock(adapter);
3263 err:
3264         adapter->fw_fail_cnt = 0;
3265         adapter->flags &= ~QLCNIC_FW_HANG;
3266         clear_bit(__QLCNIC_START_FW, &adapter->state);
3267         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3268 }
3269
3270 /* Grab api lock, before checking state */
3271 static int
3272 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3273 {
3274         int act, state, active_mask;
3275         struct qlcnic_hardware_context *ahw = adapter->ahw;
3276
3277         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3278         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3279
3280         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3281                 active_mask = (~(1 << (ahw->pci_func * 4)));
3282                 act = act & active_mask;
3283         }
3284
3285         if (((state & 0x11111111) == (act & 0x11111111)) ||
3286                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3287                 return 0;
3288         else
3289                 return 1;
3290 }
3291
3292 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3293 {
3294         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3295
3296         if (val != QLCNIC_DRV_IDC_VER) {
3297                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3298                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3299         }
3300
3301         return 0;
3302 }
3303
3304 static int
3305 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3306 {
3307         u32 val, prev_state;
3308         u8 dev_init_timeo = adapter->dev_init_timeo;
3309         u8 portnum = adapter->portnum;
3310         u8 ret;
3311
3312         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3313                 return 1;
3314
3315         if (qlcnic_api_lock(adapter))
3316                 return -1;
3317
3318         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3319         if (!(val & (1 << (portnum * 4)))) {
3320                 QLC_DEV_SET_REF_CNT(val, portnum);
3321                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3322         }
3323
3324         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3325         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3326
3327         switch (prev_state) {
3328         case QLCNIC_DEV_COLD:
3329                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3330                                     QLCNIC_DEV_INITIALIZING);
3331                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3332                                     QLCNIC_DRV_IDC_VER);
3333                 qlcnic_idc_debug_info(adapter, 0);
3334                 qlcnic_api_unlock(adapter);
3335                 return 1;
3336
3337         case QLCNIC_DEV_READY:
3338                 ret = qlcnic_check_idc_ver(adapter);
3339                 qlcnic_api_unlock(adapter);
3340                 return ret;
3341
3342         case QLCNIC_DEV_NEED_RESET:
3343                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3344                 QLC_DEV_SET_RST_RDY(val, portnum);
3345                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3346                 break;
3347
3348         case QLCNIC_DEV_NEED_QUISCENT:
3349                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3350                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3351                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3352                 break;
3353
3354         case QLCNIC_DEV_FAILED:
3355                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3356                 qlcnic_api_unlock(adapter);
3357                 return -1;
3358
3359         case QLCNIC_DEV_INITIALIZING:
3360         case QLCNIC_DEV_QUISCENT:
3361                 break;
3362         }
3363
3364         qlcnic_api_unlock(adapter);
3365
3366         do {
3367                 msleep(1000);
3368                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3369
3370                 if (prev_state == QLCNIC_DEV_QUISCENT)
3371                         continue;
3372         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3373
3374         if (!dev_init_timeo) {
3375                 dev_err(&adapter->pdev->dev,
3376                         "Waiting for device to initialize timeout\n");
3377                 return -1;
3378         }
3379
3380         if (qlcnic_api_lock(adapter))
3381                 return -1;
3382
3383         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3384         QLC_DEV_CLR_RST_QSCNT(val, portnum);
3385         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3386
3387         ret = qlcnic_check_idc_ver(adapter);
3388         qlcnic_api_unlock(adapter);
3389
3390         return ret;
3391 }
3392
3393 static void
3394 qlcnic_fwinit_work(struct work_struct *work)
3395 {
3396         struct qlcnic_adapter *adapter = container_of(work,
3397                         struct qlcnic_adapter, fw_work.work);
3398         u32 dev_state = 0xf;
3399         u32 val;
3400
3401         if (qlcnic_api_lock(adapter))
3402                 goto err_ret;
3403
3404         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3405         if (dev_state == QLCNIC_DEV_QUISCENT ||
3406             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3407                 qlcnic_api_unlock(adapter);
3408                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3409                                                 FW_POLL_DELAY * 2);
3410                 return;
3411         }
3412
3413         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3414                 qlcnic_api_unlock(adapter);
3415                 goto wait_npar;
3416         }
3417
3418         if (dev_state == QLCNIC_DEV_INITIALIZING ||
3419             dev_state == QLCNIC_DEV_READY) {
3420                 dev_info(&adapter->pdev->dev, "Detected state change from "
3421                                 "DEV_NEED_RESET, skipping ack check\n");
3422                 goto skip_ack_check;
3423         }
3424
3425         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3426                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3427                                         adapter->reset_ack_timeo);
3428                 goto skip_ack_check;
3429         }
3430
3431         if (!qlcnic_check_drv_state(adapter)) {
3432 skip_ack_check:
3433                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3434
3435                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3436                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3437                                             QLCNIC_DEV_INITIALIZING);
3438                         set_bit(__QLCNIC_START_FW, &adapter->state);
3439                         QLCDB(adapter, DRV, "Restarting fw\n");
3440                         qlcnic_idc_debug_info(adapter, 0);
3441                         val = QLC_SHARED_REG_RD32(adapter,
3442                                                   QLCNIC_CRB_DRV_STATE);
3443                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3444                         QLC_SHARED_REG_WR32(adapter,
3445                                             QLCNIC_CRB_DRV_STATE, val);
3446                 }
3447
3448                 qlcnic_api_unlock(adapter);
3449
3450                 rtnl_lock();
3451                 if (qlcnic_check_fw_dump_state(adapter) &&
3452                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3453                         QLCDB(adapter, DRV, "Take FW dump\n");
3454                         qlcnic_dump_fw(adapter);
3455                         adapter->flags |= QLCNIC_FW_HANG;
3456                 }
3457                 rtnl_unlock();
3458
3459                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3460                 if (!adapter->nic_ops->start_firmware(adapter)) {
3461                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3462                         adapter->fw_wait_cnt = 0;
3463                         return;
3464                 }
3465                 goto err_ret;
3466         }
3467
3468         qlcnic_api_unlock(adapter);
3469
3470 wait_npar:
3471         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3472         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3473
3474         switch (dev_state) {
3475         case QLCNIC_DEV_READY:
3476                 if (!qlcnic_start_firmware(adapter)) {
3477                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3478                         adapter->fw_wait_cnt = 0;
3479                         return;
3480                 }
3481         case QLCNIC_DEV_FAILED:
3482                 break;
3483         default:
3484                 qlcnic_schedule_work(adapter,
3485                         qlcnic_fwinit_work, FW_POLL_DELAY);
3486                 return;
3487         }
3488
3489 err_ret:
3490         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3491                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3492         netif_device_attach(adapter->netdev);
3493         qlcnic_clr_all_drv_state(adapter, 0);
3494 }
3495
3496 static void
3497 qlcnic_detach_work(struct work_struct *work)
3498 {
3499         struct qlcnic_adapter *adapter = container_of(work,
3500                         struct qlcnic_adapter, fw_work.work);
3501         struct net_device *netdev = adapter->netdev;
3502         u32 status;
3503
3504         netif_device_detach(netdev);
3505
3506         /* Dont grab rtnl lock during Quiscent mode */
3507         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3508                 if (netif_running(netdev))
3509                         __qlcnic_down(adapter, netdev);
3510         } else
3511                 qlcnic_down(adapter, netdev);
3512
3513         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3514
3515         if (status & QLCNIC_RCODE_FATAL_ERROR) {
3516                 dev_err(&adapter->pdev->dev,
3517                         "Detaching the device: peg halt status1=0x%x\n",
3518                                         status);
3519
3520                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3521                         dev_err(&adapter->pdev->dev,
3522                         "On board active cooling fan failed. "
3523                                 "Device has been halted.\n");
3524                         dev_err(&adapter->pdev->dev,
3525                                 "Replace the adapter.\n");
3526                 }
3527
3528                 goto err_ret;
3529         }
3530
3531         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3532                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3533                         adapter->ahw->temp);
3534                 goto err_ret;
3535         }
3536
3537         /* Dont ack if this instance is the reset owner */
3538         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3539                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3540                         dev_err(&adapter->pdev->dev,
3541                                 "Failed to set driver state,"
3542                                         "detaching the device.\n");
3543                         goto err_ret;
3544                 }
3545         }
3546
3547         adapter->fw_wait_cnt = 0;
3548
3549         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3550
3551         return;
3552
3553 err_ret:
3554         netif_device_attach(netdev);
3555         qlcnic_clr_all_drv_state(adapter, 1);
3556 }
3557
3558 /*Transit NPAR state to NON Operational */
3559 static void
3560 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3561 {
3562         u32 state;
3563
3564         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3565         if (state == QLCNIC_DEV_NPAR_NON_OPER)
3566                 return;
3567
3568         if (qlcnic_api_lock(adapter))
3569                 return;
3570         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3571                             QLCNIC_DEV_NPAR_NON_OPER);
3572         qlcnic_api_unlock(adapter);
3573 }
3574
3575 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3576                                           u32 key)
3577 {
3578         u32 state, xg_val = 0, gb_val = 0;
3579
3580         qlcnic_xg_set_xg0_mask(xg_val);
3581         qlcnic_xg_set_xg1_mask(xg_val);
3582         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3583         qlcnic_gb_set_gb0_mask(gb_val);
3584         qlcnic_gb_set_gb1_mask(gb_val);
3585         qlcnic_gb_set_gb2_mask(gb_val);
3586         qlcnic_gb_set_gb3_mask(gb_val);
3587         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3588         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3589                                 " on all ports\n");
3590         adapter->need_fw_reset = 1;
3591
3592         if (qlcnic_api_lock(adapter))
3593                 return;
3594
3595         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3596
3597         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3598                 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3599                            __func__);
3600                 qlcnic_api_unlock(adapter);
3601
3602                 return;
3603         }
3604
3605         if (state == QLCNIC_DEV_READY) {
3606                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3607                                     QLCNIC_DEV_NEED_RESET);
3608                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3609                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3610                 qlcnic_idc_debug_info(adapter, 0);
3611         }
3612
3613         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3614                             QLCNIC_DEV_NPAR_NON_OPER);
3615         qlcnic_api_unlock(adapter);
3616 }
3617
3618 /* Transit to NPAR READY state from NPAR NOT READY state */
3619 static void
3620 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3621 {
3622         if (qlcnic_api_lock(adapter))
3623                 return;
3624
3625         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3626                             QLCNIC_DEV_NPAR_OPER);
3627         QLCDB(adapter, DRV, "NPAR operational state set\n");
3628
3629         qlcnic_api_unlock(adapter);
3630 }
3631
3632 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3633                           work_func_t func, int delay)
3634 {
3635         if (test_bit(__QLCNIC_AER, &adapter->state))
3636                 return;
3637
3638         INIT_DELAYED_WORK(&adapter->fw_work, func);
3639         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3640                            round_jiffies_relative(delay));
3641 }
3642
3643 static void
3644 qlcnic_attach_work(struct work_struct *work)
3645 {
3646         struct qlcnic_adapter *adapter = container_of(work,
3647                                 struct qlcnic_adapter, fw_work.work);
3648         struct net_device *netdev = adapter->netdev;
3649         u32 npar_state;
3650
3651         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3652                 npar_state = QLC_SHARED_REG_RD32(adapter,
3653                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3654                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3655                         qlcnic_clr_all_drv_state(adapter, 0);
3656                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3657                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3658                                                         FW_POLL_DELAY);
3659                 else
3660                         goto attach;
3661                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3662                 return;
3663         }
3664 attach:
3665         qlcnic_dcb_get_info(adapter->dcb);
3666
3667         if (netif_running(netdev)) {
3668                 if (qlcnic_up(adapter, netdev))
3669                         goto done;
3670
3671                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3672         }
3673
3674 done:
3675         netif_device_attach(netdev);
3676         adapter->fw_fail_cnt = 0;
3677         adapter->flags &= ~QLCNIC_FW_HANG;
3678         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3679         if (adapter->portnum == 0)
3680                 qlcnic_set_drv_version(adapter);
3681
3682         if (!qlcnic_clr_drv_state(adapter))
3683                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3684                                                         FW_POLL_DELAY);
3685 }
3686
3687 static int
3688 qlcnic_check_health(struct qlcnic_adapter *adapter)
3689 {
3690         struct qlcnic_hardware_context *ahw = adapter->ahw;
3691         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3692         u32 state = 0, heartbeat;
3693         u32 peg_status;
3694         int err = 0;
3695
3696         if (qlcnic_check_temp(adapter))
3697                 goto detach;
3698
3699         if (adapter->need_fw_reset)
3700                 qlcnic_dev_request_reset(adapter, 0);
3701
3702         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3703         if (state == QLCNIC_DEV_NEED_RESET) {
3704                 qlcnic_set_npar_non_operational(adapter);
3705                 adapter->need_fw_reset = 1;
3706         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3707                 goto detach;
3708
3709         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3710         if (heartbeat != adapter->heartbeat) {
3711                 adapter->heartbeat = heartbeat;
3712                 adapter->fw_fail_cnt = 0;
3713                 if (adapter->need_fw_reset)
3714                         goto detach;
3715
3716                 if (ahw->reset_context && qlcnic_auto_fw_reset)
3717                         qlcnic_reset_hw_context(adapter);
3718
3719                 return 0;
3720         }
3721
3722         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3723                 return 0;
3724
3725         adapter->flags |= QLCNIC_FW_HANG;
3726
3727         qlcnic_dev_request_reset(adapter, 0);
3728
3729         if (qlcnic_auto_fw_reset)
3730                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3731
3732         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3733         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3734         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3735                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3736                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3737                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3738                         "PEG_NET_4_PC: 0x%x\n",
3739                         peg_status,
3740                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3741                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3742                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3743                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3744                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3745                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3746         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3747                 dev_err(&adapter->pdev->dev,
3748                         "Firmware aborted with error code 0x00006700. "
3749                                 "Device is being reset.\n");
3750 detach:
3751         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3752                 QLCNIC_DEV_NEED_RESET;
3753
3754         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3755                                                       &adapter->state)) {
3756
3757                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3758                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3759         } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3760                    adapter->flags & QLCNIC_FW_RESET_OWNER) {
3761                 qlcnic_dump_fw(adapter);
3762         }
3763
3764         return 1;
3765 }
3766
3767 void qlcnic_fw_poll_work(struct work_struct *work)
3768 {
3769         struct qlcnic_adapter *adapter = container_of(work,
3770                                 struct qlcnic_adapter, fw_work.work);
3771
3772         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3773                 goto reschedule;
3774
3775
3776         if (qlcnic_check_health(adapter))
3777                 return;
3778
3779         if (adapter->fhash.fnum)
3780                 qlcnic_prune_lb_filters(adapter);
3781
3782 reschedule:
3783         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3784 }
3785
3786 static int qlcnic_is_first_func(struct pci_dev *pdev)
3787 {
3788         struct pci_dev *oth_pdev;
3789         int val = pdev->devfn;
3790
3791         while (val-- > 0) {
3792                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3793                         (pdev->bus), pdev->bus->number,
3794                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3795                 if (!oth_pdev)
3796                         continue;
3797
3798                 if (oth_pdev->current_state != PCI_D3cold) {
3799                         pci_dev_put(oth_pdev);
3800                         return 0;
3801                 }
3802                 pci_dev_put(oth_pdev);
3803         }
3804         return 1;
3805 }
3806
3807 static int qlcnic_attach_func(struct pci_dev *pdev)
3808 {
3809         int err, first_func;
3810         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3811         struct net_device *netdev = adapter->netdev;
3812
3813         pdev->error_state = pci_channel_io_normal;
3814
3815         err = pci_enable_device(pdev);
3816         if (err)
3817                 return err;
3818
3819         pci_set_master(pdev);
3820         pci_restore_state(pdev);
3821
3822         first_func = qlcnic_is_first_func(pdev);
3823
3824         if (qlcnic_api_lock(adapter))
3825                 return -EINVAL;
3826
3827         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3828                 adapter->need_fw_reset = 1;
3829                 set_bit(__QLCNIC_START_FW, &adapter->state);
3830                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3831                                     QLCNIC_DEV_INITIALIZING);
3832                 QLCDB(adapter, DRV, "Restarting fw\n");
3833         }
3834         qlcnic_api_unlock(adapter);
3835
3836         err = qlcnic_start_firmware(adapter);
3837         if (err)
3838                 return err;
3839
3840         qlcnic_clr_drv_state(adapter);
3841         kfree(adapter->msix_entries);
3842         adapter->msix_entries = NULL;
3843         err = qlcnic_setup_intr(adapter);
3844
3845         if (err) {
3846                 kfree(adapter->msix_entries);
3847                 netdev_err(netdev, "failed to setup interrupt\n");
3848                 return err;
3849         }
3850
3851         if (netif_running(netdev)) {
3852                 err = qlcnic_attach(adapter);
3853                 if (err) {
3854                         qlcnic_clr_all_drv_state(adapter, 1);
3855                         clear_bit(__QLCNIC_AER, &adapter->state);
3856                         netif_device_attach(netdev);
3857                         return err;
3858                 }
3859
3860                 err = qlcnic_up(adapter, netdev);
3861                 if (err)
3862                         goto done;
3863
3864                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3865         }
3866  done:
3867         netif_device_attach(netdev);
3868         return err;
3869 }
3870
3871 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3872                                                       pci_channel_state_t state)
3873 {
3874         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3875         struct net_device *netdev = adapter->netdev;
3876
3877         if (state == pci_channel_io_perm_failure)
3878                 return PCI_ERS_RESULT_DISCONNECT;
3879
3880         if (state == pci_channel_io_normal)
3881                 return PCI_ERS_RESULT_RECOVERED;
3882
3883         set_bit(__QLCNIC_AER, &adapter->state);
3884         netif_device_detach(netdev);
3885
3886         cancel_delayed_work_sync(&adapter->fw_work);
3887
3888         if (netif_running(netdev))
3889                 qlcnic_down(adapter, netdev);
3890
3891         qlcnic_detach(adapter);
3892         qlcnic_teardown_intr(adapter);
3893
3894         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3895
3896         pci_save_state(pdev);
3897         pci_disable_device(pdev);
3898
3899         return PCI_ERS_RESULT_NEED_RESET;
3900 }
3901
3902 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3903 {
3904         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3905                                 PCI_ERS_RESULT_RECOVERED;
3906 }
3907
3908 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3909 {
3910         u32 state;
3911         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3912
3913         pci_cleanup_aer_uncorrect_error_status(pdev);
3914         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3915         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3916                                                             &adapter->state))
3917                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3918                                      FW_POLL_DELAY);
3919 }
3920
3921 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3922                                                  pci_channel_state_t state)
3923 {
3924         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3925         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3926
3927         if (hw_ops->io_error_detected) {
3928                 return hw_ops->io_error_detected(pdev, state);
3929         } else {
3930                 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3931                 return PCI_ERS_RESULT_DISCONNECT;
3932         }
3933 }
3934
3935 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3936 {
3937         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3938         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3939
3940         if (hw_ops->io_slot_reset) {
3941                 return hw_ops->io_slot_reset(pdev);
3942         } else {
3943                 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3944                 return PCI_ERS_RESULT_DISCONNECT;
3945         }
3946 }
3947
3948 static void qlcnic_io_resume(struct pci_dev *pdev)
3949 {
3950         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3951         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3952
3953         if (hw_ops->io_resume)
3954                 hw_ops->io_resume(pdev);
3955         else
3956                 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3957 }
3958
3959
3960 static int
3961 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3962 {
3963         int err;
3964
3965         err = qlcnic_can_start_firmware(adapter);
3966         if (err)
3967                 return err;
3968
3969         err = qlcnic_check_npar_opertional(adapter);
3970         if (err)
3971                 return err;
3972
3973         err = qlcnic_initialize_nic(adapter);
3974         if (err)
3975                 return err;
3976
3977         qlcnic_check_options(adapter);
3978
3979         err = qlcnic_set_eswitch_port_config(adapter);
3980         if (err)
3981                 return err;
3982
3983         adapter->need_fw_reset = 0;
3984
3985         return err;
3986 }
3987
3988 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3989                           int queue_type)
3990 {
3991         struct net_device *netdev = adapter->netdev;
3992         u8 max_hw_rings = 0;
3993         char buf[8];
3994         int cur_rings;
3995
3996         if (queue_type == QLCNIC_RX_QUEUE) {
3997                 max_hw_rings = adapter->max_sds_rings;
3998                 cur_rings = adapter->drv_sds_rings;
3999                 strcpy(buf, "SDS");
4000         } else if (queue_type == QLCNIC_TX_QUEUE) {
4001                 max_hw_rings = adapter->max_tx_rings;
4002                 cur_rings = adapter->drv_tx_rings;
4003                 strcpy(buf, "Tx");
4004         }
4005
4006         if (!is_power_of_2(ring_cnt)) {
4007                 netdev_err(netdev, "%s rings value should be a power of 2\n",
4008                            buf);
4009                 return -EINVAL;
4010         }
4011
4012         if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4013             !qlcnic_check_multi_tx(adapter)) {
4014                         netdev_err(netdev, "No Multi Tx queue support\n");
4015                         return -EINVAL;
4016         }
4017
4018         if (ring_cnt > num_online_cpus()) {
4019                 netdev_err(netdev,
4020                            "%s value[%u] should not be higher than, number of online CPUs\n",
4021                            buf, num_online_cpus());
4022                 return -EINVAL;
4023         }
4024
4025         return 0;
4026 }
4027
4028 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4029 {
4030         struct net_device *netdev = adapter->netdev;
4031         u8 tx_rings, rx_rings;
4032         int err;
4033
4034         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4035                 return -EBUSY;
4036
4037         tx_rings = adapter->drv_tss_rings;
4038         rx_rings = adapter->drv_rss_rings;
4039
4040         netif_device_detach(netdev);
4041
4042         err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4043         if (err)
4044                 goto done;
4045
4046         if (netif_running(netdev))
4047                 __qlcnic_down(adapter, netdev);
4048
4049         qlcnic_detach(adapter);
4050
4051         if (qlcnic_83xx_check(adapter)) {
4052                 qlcnic_83xx_free_mbx_intr(adapter);
4053                 qlcnic_83xx_enable_mbx_poll(adapter);
4054         }
4055
4056         qlcnic_teardown_intr(adapter);
4057
4058         err = qlcnic_setup_intr(adapter);
4059         if (err) {
4060                 kfree(adapter->msix_entries);
4061                 netdev_err(netdev, "failed to setup interrupt\n");
4062                 return err;
4063         }
4064
4065         /* Check if we need to update real_num_{tx|rx}_queues because
4066          * qlcnic_setup_intr() may change Tx/Rx rings size
4067          */
4068         if ((tx_rings != adapter->drv_tx_rings) ||
4069             (rx_rings != adapter->drv_sds_rings)) {
4070                 err = qlcnic_set_real_num_queues(adapter,
4071                                                  adapter->drv_tx_rings,
4072                                                  adapter->drv_sds_rings);
4073                 if (err)
4074                         goto done;
4075         }
4076
4077         if (qlcnic_83xx_check(adapter)) {
4078                 qlcnic_83xx_initialize_nic(adapter, 1);
4079                 err = qlcnic_83xx_setup_mbx_intr(adapter);
4080                 qlcnic_83xx_disable_mbx_poll(adapter);
4081                 if (err) {
4082                         dev_err(&adapter->pdev->dev,
4083                                 "failed to setup mbx interrupt\n");
4084                         goto done;
4085                 }
4086         }
4087
4088         if (netif_running(netdev)) {
4089                 err = qlcnic_attach(adapter);
4090                 if (err)
4091                         goto done;
4092                 err = __qlcnic_up(adapter, netdev);
4093                 if (err)
4094                         goto done;
4095                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4096         }
4097 done:
4098         netif_device_attach(netdev);
4099         clear_bit(__QLCNIC_RESETTING, &adapter->state);
4100         return err;
4101 }
4102
4103 #ifdef CONFIG_INET
4104
4105 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4106
4107 static void
4108 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4109                         struct net_device *dev, unsigned long event)
4110 {
4111         struct in_device *indev;
4112
4113         indev = in_dev_get(dev);
4114         if (!indev)
4115                 return;
4116
4117         for_ifa(indev) {
4118                 switch (event) {
4119                 case NETDEV_UP:
4120                         qlcnic_config_ipaddr(adapter,
4121                                         ifa->ifa_address, QLCNIC_IP_UP);
4122                         break;
4123                 case NETDEV_DOWN:
4124                         qlcnic_config_ipaddr(adapter,
4125                                         ifa->ifa_address, QLCNIC_IP_DOWN);
4126                         break;
4127                 default:
4128                         break;
4129                 }
4130         } endfor_ifa(indev);
4131
4132         in_dev_put(indev);
4133 }
4134
4135 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4136 {
4137         struct qlcnic_adapter *adapter = netdev_priv(netdev);
4138         struct net_device *dev;
4139         u16 vid;
4140
4141         qlcnic_config_indev_addr(adapter, netdev, event);
4142
4143         rcu_read_lock();
4144         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4145                 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4146                 if (!dev)
4147                         continue;
4148                 qlcnic_config_indev_addr(adapter, dev, event);
4149         }
4150         rcu_read_unlock();
4151 }
4152
4153 static int qlcnic_netdev_event(struct notifier_block *this,
4154                                  unsigned long event, void *ptr)
4155 {
4156         struct qlcnic_adapter *adapter;
4157         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4158
4159 recheck:
4160         if (dev == NULL)
4161                 goto done;
4162
4163         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4164                 dev = vlan_dev_real_dev(dev);
4165                 goto recheck;
4166         }
4167
4168         if (!is_qlcnic_netdev(dev))
4169                 goto done;
4170
4171         adapter = netdev_priv(dev);
4172
4173         if (!adapter)
4174                 goto done;
4175
4176         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4177                 goto done;
4178
4179         qlcnic_config_indev_addr(adapter, dev, event);
4180 done:
4181         return NOTIFY_DONE;
4182 }
4183
4184 static int
4185 qlcnic_inetaddr_event(struct notifier_block *this,
4186                 unsigned long event, void *ptr)
4187 {
4188         struct qlcnic_adapter *adapter;
4189         struct net_device *dev;
4190
4191         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4192
4193         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4194
4195 recheck:
4196         if (dev == NULL)
4197                 goto done;
4198
4199         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4200                 dev = vlan_dev_real_dev(dev);
4201                 goto recheck;
4202         }
4203
4204         if (!is_qlcnic_netdev(dev))
4205                 goto done;
4206
4207         adapter = netdev_priv(dev);
4208
4209         if (!adapter)
4210                 goto done;
4211
4212         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4213                 goto done;
4214
4215         switch (event) {
4216         case NETDEV_UP:
4217                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4218
4219                 break;
4220         case NETDEV_DOWN:
4221                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4222
4223                 break;
4224         default:
4225                 break;
4226         }
4227
4228 done:
4229         return NOTIFY_DONE;
4230 }
4231
4232 static struct notifier_block    qlcnic_netdev_cb = {
4233         .notifier_call = qlcnic_netdev_event,
4234 };
4235
4236 static struct notifier_block qlcnic_inetaddr_cb = {
4237         .notifier_call = qlcnic_inetaddr_event,
4238 };
4239 #else
4240 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4241 { }
4242 #endif
4243 static const struct pci_error_handlers qlcnic_err_handler = {
4244         .error_detected = qlcnic_io_error_detected,
4245         .slot_reset = qlcnic_io_slot_reset,
4246         .resume = qlcnic_io_resume,
4247 };
4248
4249 static struct pci_driver qlcnic_driver = {
4250         .name = qlcnic_driver_name,
4251         .id_table = qlcnic_pci_tbl,
4252         .probe = qlcnic_probe,
4253         .remove = qlcnic_remove,
4254 #ifdef CONFIG_PM
4255         .suspend = qlcnic_suspend,
4256         .resume = qlcnic_resume,
4257 #endif
4258         .shutdown = qlcnic_shutdown,
4259         .err_handler = &qlcnic_err_handler,
4260 #ifdef CONFIG_QLCNIC_SRIOV
4261         .sriov_configure = qlcnic_pci_sriov_configure,
4262 #endif
4263
4264 };
4265
4266 static int __init qlcnic_init_module(void)
4267 {
4268         int ret;
4269
4270         printk(KERN_INFO "%s\n", qlcnic_driver_string);
4271
4272 #ifdef CONFIG_INET
4273         register_netdevice_notifier(&qlcnic_netdev_cb);
4274         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4275 #endif
4276
4277         ret = pci_register_driver(&qlcnic_driver);
4278         if (ret) {
4279 #ifdef CONFIG_INET
4280                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4281                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4282 #endif
4283         }
4284
4285         return ret;
4286 }
4287
4288 module_init(qlcnic_init_module);
4289
4290 static void __exit qlcnic_exit_module(void)
4291 {
4292         pci_unregister_driver(&qlcnic_driver);
4293
4294 #ifdef CONFIG_INET
4295         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4296         unregister_netdevice_notifier(&qlcnic_netdev_cb);
4297 #endif
4298 }
4299
4300 module_exit(qlcnic_exit_module);