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