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                         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
 820
 821                         err = qlcnic_enable_msi_legacy(adapter);
 822                         if (err)
 823                                 return err;
 824                 }
 825         }
 826
 827         return 0;
 828 }
 829
 830 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
 831 {
 832         struct qlcnic_hardware_context *ahw = adapter->ahw;
 833         int err, i;
 834
 835         if (qlcnic_check_multi_tx(adapter) &&
 836             !ahw->diag_test &&
 837             (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 838                 ahw->intr_tbl = vzalloc(ahw->num_msix *
 839                                         sizeof(struct qlcnic_intrpt_config));
 840                 if (!ahw->intr_tbl)
 841                         return -ENOMEM;
 842
 843                 for (i = 0; i < ahw->num_msix; i++) {
 844                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
 845                         ahw->intr_tbl[i].id = i;
 846                         ahw->intr_tbl[i].src = 0;
 847                 }
 848
 849                 err = qlcnic_82xx_config_intrpt(adapter, 1);
 850                 if (err)
 851                         dev_err(&adapter->pdev->dev,
 852                                 "Failed to configure Interrupt for %d vector\n",
 853                                 ahw->num_msix);
 854                 return err;
 855         }
 856
 857         return 0;
 858 }
 859
 860 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 861 {
 862         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 863                 pci_disable_msix(adapter->pdev);
 864         if (adapter->flags & QLCNIC_MSI_ENABLED)
 865                 pci_disable_msi(adapter->pdev);
 866
 867         kfree(adapter->msix_entries);
 868         adapter->msix_entries = NULL;
 869
 870         if (adapter->ahw->intr_tbl) {
 871                 vfree(adapter->ahw->intr_tbl);
 872                 adapter->ahw->intr_tbl = NULL;
 873         }
 874 }
 875
 876 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 877 {
 878         if (ahw->pci_base0 != NULL)
 879                 iounmap(ahw->pci_base0);
 880 }
 881
 882 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 883 {
 884         struct qlcnic_hardware_context *ahw = adapter->ahw;
 885         struct qlcnic_pci_info *pci_info;
 886         int ret;
 887
 888         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 889                 switch (ahw->port_type) {
 890                 case QLCNIC_GBE:
 891                         ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
 892                         break;
 893                 case QLCNIC_XGBE:
 894                         ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
 895                         break;
 896                 }
 897                 return 0;
 898         }
 899
 900         if (ahw->op_mode == QLCNIC_MGMT_FUNC)
 901                 return 0;
 902
 903         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 904         if (!pci_info)
 905                 return -ENOMEM;
 906
 907         ret = qlcnic_get_pci_info(adapter, pci_info);
 908         kfree(pci_info);
 909         return ret;
 910 }
 911
 912 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
 913 {
 914         bool ret = false;
 915
 916         if (qlcnic_84xx_check(adapter)) {
 917                 ret = true;
 918         } else if (qlcnic_83xx_check(adapter)) {
 919                 if (adapter->ahw->extra_capability[0] &
 920                     QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
 921                         ret = true;
 922                 else
 923                         ret = false;
 924         }
 925
 926         return ret;
 927 }
 928
 929 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 930 {
 931         struct qlcnic_hardware_context *ahw = adapter->ahw;
 932         struct qlcnic_pci_info *pci_info;
 933         int i, id = 0, ret = 0, j = 0;
 934         u16 act_pci_func;
 935         u8 pfn;
 936
 937         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 938         if (!pci_info)
 939                 return -ENOMEM;
 940
 941         ret = qlcnic_get_pci_info(adapter, pci_info);
 942         if (ret)
 943                 goto err_pci_info;
 944
 945         act_pci_func = ahw->total_nic_func;
 946
 947         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
 948                                  act_pci_func, GFP_KERNEL);
 949         if (!adapter->npars) {
 950                 ret = -ENOMEM;
 951                 goto err_pci_info;
 952         }
 953
 954         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
 955                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
 956         if (!adapter->eswitch) {
 957                 ret = -ENOMEM;
 958                 goto err_npars;
 959         }
 960
 961         for (i = 0; i < ahw->max_vnic_func; i++) {
 962                 pfn = pci_info[i].id;
 963
 964                 if (pfn >= ahw->max_vnic_func) {
 965                         ret = QL_STATUS_INVALID_PARAM;
 966                         goto err_eswitch;
 967                 }
 968
 969                 if (!pci_info[i].active ||
 970                     (pci_info[i].type != QLCNIC_TYPE_NIC))
 971                         continue;
 972
 973                 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
 974                         if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
 975                                                                  &id))
 976                                 adapter->npars[j].eswitch_status = true;
 977                         else
 978                                 continue;
 979                 } else {
 980                         adapter->npars[j].eswitch_status = true;
 981                 }
 982
 983                 adapter->npars[j].pci_func = pfn;
 984                 adapter->npars[j].active = (u8)pci_info[i].active;
 985                 adapter->npars[j].type = (u8)pci_info[i].type;
 986                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
 987                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
 988                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
 989
 990                 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
 991                 j++;
 992         }
 993
 994         /* Update eSwitch status for adapters without per port eSwitch
 995          * configuration capability
 996          */
 997         if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
 998                 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
 999                         adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1000         }
1001
1002         kfree(pci_info);
1003         return 0;
1004
1005 err_eswitch:
1006         kfree(adapter->eswitch);
1007         adapter->eswitch = NULL;
1008 err_npars:
1009         kfree(adapter->npars);
1010         adapter->npars = NULL;
1011 err_pci_info:
1012         kfree(pci_info);
1013
1014         return ret;
1015 }
1016
1017 static int
1018 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1019 {
1020         u8 id;
1021         int ret;
1022         u32 data = QLCNIC_MGMT_FUNC;
1023         struct qlcnic_hardware_context *ahw = adapter->ahw;
1024
1025         ret = qlcnic_api_lock(adapter);
1026         if (ret)
1027                 goto err_lock;
1028
1029         id = ahw->pci_func;
1030         data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1031         data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1032                QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1033         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1034         qlcnic_api_unlock(adapter);
1035 err_lock:
1036         return ret;
1037 }
1038
1039 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1040                             const struct pci_device_id *ent)
1041 {
1042         u32 op_mode, priv_level;
1043
1044         /* Determine FW API version */
1045         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1046                                                            QLCNIC_FW_API);
1047
1048         /* Find PCI function number */
1049         qlcnic_get_func_no(adapter);
1050
1051         /* Determine function privilege level */
1052         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1053         if (op_mode == QLC_DEV_DRV_DEFAULT)
1054                 priv_level = QLCNIC_MGMT_FUNC;
1055         else
1056                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1057
1058         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1059                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1060                 dev_info(&adapter->pdev->dev,
1061                         "HAL Version: %d Non Privileged function\n",
1062                          adapter->ahw->fw_hal_version);
1063                 adapter->nic_ops = &qlcnic_vf_ops;
1064         } else
1065                 adapter->nic_ops = &qlcnic_ops;
1066 }
1067
1068 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1069 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1070 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1071 {
1072         switch (dev_id) {
1073         case PCI_DEVICE_ID_QLOGIC_QLE824X:
1074                 *bar = QLCNIC_82XX_BAR0_LENGTH;
1075                 break;
1076         case PCI_DEVICE_ID_QLOGIC_QLE834X:
1077         case PCI_DEVICE_ID_QLOGIC_QLE844X:
1078         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1079         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1080                 *bar = QLCNIC_83XX_BAR0_LENGTH;
1081                 break;
1082         default:
1083                 *bar = 0;
1084         }
1085 }
1086
1087 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1088                                 struct qlcnic_hardware_context *ahw)
1089 {
1090         u32 offset;
1091         void __iomem *mem_ptr0 = NULL;
1092         unsigned long mem_len, pci_len0 = 0, bar0_len;
1093
1094         /* remap phys address */
1095         mem_len = pci_resource_len(pdev, 0);
1096
1097         qlcnic_get_bar_length(pdev->device, &bar0_len);
1098         if (mem_len >= bar0_len) {
1099
1100                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1101                 if (mem_ptr0 == NULL) {
1102                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1103                         return -EIO;
1104                 }
1105                 pci_len0 = mem_len;
1106         } else {
1107                 return -EIO;
1108         }
1109
1110         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1111
1112         ahw->pci_base0 = mem_ptr0;
1113         ahw->pci_len0 = pci_len0;
1114         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1115         qlcnic_get_ioaddr(ahw, offset);
1116
1117         return 0;
1118 }
1119
1120 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1121                                          int index)
1122 {
1123         struct pci_dev *pdev = adapter->pdev;
1124         unsigned short subsystem_vendor;
1125         bool ret = true;
1126
1127         subsystem_vendor = pdev->subsystem_vendor;
1128
1129         if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1130             pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1131                 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1132                     qlcnic_boards[index].sub_device == pdev->subsystem_device)
1133                         ret = true;
1134                 else
1135                         ret = false;
1136         }
1137
1138         return ret;
1139 }
1140
1141 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1142 {
1143         struct pci_dev *pdev = adapter->pdev;
1144         int i, found = 0;
1145
1146         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1147                 if (qlcnic_boards[i].vendor == pdev->vendor &&
1148                     qlcnic_boards[i].device == pdev->device &&
1149                     qlcnic_validate_subsystem_id(adapter, i)) {
1150                         found = 1;
1151                         break;
1152                 }
1153         }
1154
1155         if (!found)
1156                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1157         else
1158                 sprintf(name, "%pM: %s" , adapter->mac_addr,
1159                         qlcnic_boards[i].short_name);
1160 }
1161
1162 static void
1163 qlcnic_check_options(struct qlcnic_adapter *adapter)
1164 {
1165         int err;
1166         u32 fw_major, fw_minor, fw_build, prev_fw_version;
1167         struct pci_dev *pdev = adapter->pdev;
1168         struct qlcnic_hardware_context *ahw = adapter->ahw;
1169         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1170
1171         prev_fw_version = adapter->fw_version;
1172
1173         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1174         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1175         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1176
1177         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1178
1179         err = qlcnic_get_board_info(adapter);
1180         if (err) {
1181                 dev_err(&pdev->dev, "Error getting board config info.\n");
1182                 return;
1183         }
1184         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1185                 if (fw_dump->tmpl_hdr == NULL ||
1186                                 adapter->fw_version > prev_fw_version) {
1187                         if (fw_dump->tmpl_hdr)
1188                                 vfree(fw_dump->tmpl_hdr);
1189                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1190                                 dev_info(&pdev->dev,
1191                                         "Supports FW dump capability\n");
1192                 }
1193         }
1194
1195         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1196                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1197
1198         if (adapter->ahw->port_type == QLCNIC_XGBE) {
1199                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1200                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1201                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1202                 } else {
1203                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1204                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1205                 }
1206
1207                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1208                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1209
1210         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1211                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1212                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1213                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1214                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1215         }
1216
1217         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1218
1219         adapter->num_txd = MAX_CMD_DESCRIPTORS;
1220
1221         adapter->max_rds_rings = MAX_RDS_RINGS;
1222 }
1223
1224 static int
1225 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1226 {
1227         struct qlcnic_info nic_info;
1228         int err = 0;
1229
1230         memset(&nic_info, 0, sizeof(struct qlcnic_info));
1231         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1232         if (err)
1233                 return err;
1234
1235         adapter->ahw->physical_port = (u8)nic_info.phys_port;
1236         adapter->ahw->switch_mode = nic_info.switch_mode;
1237         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1238         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1239         adapter->ahw->capabilities = nic_info.capabilities;
1240
1241         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1242                 u32 temp;
1243                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1244                 if (err == -EIO)
1245                         return err;
1246                 adapter->ahw->extra_capability[0] = temp;
1247         } else {
1248                 adapter->ahw->extra_capability[0] = 0;
1249         }
1250
1251         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1252         adapter->ahw->max_mtu = nic_info.max_mtu;
1253
1254         if (adapter->ahw->capabilities & BIT_6) {
1255                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1256                 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1257                 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1258                 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1259
1260                 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1261         } else {
1262                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1263                 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1264                 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1265                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1266         }
1267
1268         return err;
1269 }
1270
1271 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1272                             struct qlcnic_esw_func_cfg *esw_cfg)
1273 {
1274         if (esw_cfg->discard_tagged)
1275                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1276         else
1277                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1278
1279         if (esw_cfg->vlan_id) {
1280                 adapter->rx_pvid = esw_cfg->vlan_id;
1281                 adapter->tx_pvid = esw_cfg->vlan_id;
1282         } else {
1283                 adapter->rx_pvid = 0;
1284                 adapter->tx_pvid = 0;
1285         }
1286 }
1287
1288 static int
1289 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1290 {
1291         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1292         int err;
1293
1294         if (qlcnic_sriov_vf_check(adapter)) {
1295                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1296                 if (err) {
1297                         netdev_err(netdev,
1298                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1299                                    vid, err);
1300                         return err;
1301                 }
1302         }
1303
1304         set_bit(vid, adapter->vlans);
1305         return 0;
1306 }
1307
1308 static int
1309 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1310 {
1311         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1312         int err;
1313
1314         if (qlcnic_sriov_vf_check(adapter)) {
1315                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1316                 if (err) {
1317                         netdev_err(netdev,
1318                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1319                                    vid, err);
1320                         return err;
1321                 }
1322         }
1323
1324         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1325         clear_bit(vid, adapter->vlans);
1326         return 0;
1327 }
1328
1329 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1330                                       struct qlcnic_esw_func_cfg *esw_cfg)
1331 {
1332         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1333                                 QLCNIC_PROMISC_DISABLED);
1334
1335         if (esw_cfg->mac_anti_spoof)
1336                 adapter->flags |= QLCNIC_MACSPOOF;
1337
1338         if (!esw_cfg->mac_override)
1339                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1340
1341         if (!esw_cfg->promisc_mode)
1342                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1343 }
1344
1345 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1346 {
1347         struct qlcnic_esw_func_cfg esw_cfg;
1348
1349         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1350                 return 0;
1351
1352         esw_cfg.pci_func = adapter->ahw->pci_func;
1353         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1354                         return -EIO;
1355         qlcnic_set_vlan_config(adapter, &esw_cfg);
1356         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1357         qlcnic_set_netdev_features(adapter, &esw_cfg);
1358
1359         return 0;
1360 }
1361
1362 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1363                                 struct qlcnic_esw_func_cfg *esw_cfg)
1364 {
1365         struct net_device *netdev = adapter->netdev;
1366
1367         if (qlcnic_83xx_check(adapter))
1368                 return;
1369
1370         adapter->offload_flags = esw_cfg->offload_flags;
1371         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1372         netdev_update_features(netdev);
1373         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1374 }
1375
1376 static int
1377 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1378 {
1379         u32 op_mode, priv_level;
1380         int err = 0;
1381
1382         err = qlcnic_initialize_nic(adapter);
1383         if (err)
1384                 return err;
1385
1386         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1387                 return 0;
1388
1389         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1390         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1391
1392         if (op_mode == QLC_DEV_DRV_DEFAULT)
1393                 priv_level = QLCNIC_MGMT_FUNC;
1394         else
1395                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1396
1397         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1398                 if (priv_level == QLCNIC_MGMT_FUNC) {
1399                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1400                         err = qlcnic_init_pci_info(adapter);
1401                         if (err)
1402                                 return err;
1403                         /* Set privilege level for other functions */
1404                         qlcnic_set_function_modes(adapter);
1405                         dev_info(&adapter->pdev->dev,
1406                                 "HAL Version: %d, Management function\n",
1407                                  adapter->ahw->fw_hal_version);
1408                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1409                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1410                         dev_info(&adapter->pdev->dev,
1411                                 "HAL Version: %d, Privileged function\n",
1412                                  adapter->ahw->fw_hal_version);
1413                 }
1414         } else {
1415                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1416         }
1417
1418         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1419
1420         return err;
1421 }
1422
1423 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1424 {
1425         struct qlcnic_esw_func_cfg esw_cfg;
1426         struct qlcnic_npar_info *npar;
1427         u8 i;
1428
1429         if (adapter->need_fw_reset)
1430                 return 0;
1431
1432         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1433                 if (!adapter->npars[i].eswitch_status)
1434                         continue;
1435
1436                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1437                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1438                 esw_cfg.mac_override = BIT_0;
1439                 esw_cfg.promisc_mode = BIT_0;
1440                 if (qlcnic_82xx_check(adapter)) {
1441                         esw_cfg.offload_flags = BIT_0;
1442                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1443                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1444                 }
1445                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1446                         return -EIO;
1447                 npar = &adapter->npars[i];
1448                 npar->pvid = esw_cfg.vlan_id;
1449                 npar->mac_override = esw_cfg.mac_override;
1450                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1451                 npar->discard_tagged = esw_cfg.discard_tagged;
1452                 npar->promisc_mode = esw_cfg.promisc_mode;
1453                 npar->offload_flags = esw_cfg.offload_flags;
1454         }
1455
1456         return 0;
1457 }
1458
1459
1460 static int
1461 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1462                         struct qlcnic_npar_info *npar, int pci_func)
1463 {
1464         struct qlcnic_esw_func_cfg esw_cfg;
1465         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1466         esw_cfg.pci_func = pci_func;
1467         esw_cfg.vlan_id = npar->pvid;
1468         esw_cfg.mac_override = npar->mac_override;
1469         esw_cfg.discard_tagged = npar->discard_tagged;
1470         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1471         esw_cfg.offload_flags = npar->offload_flags;
1472         esw_cfg.promisc_mode = npar->promisc_mode;
1473         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1474                 return -EIO;
1475
1476         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1477         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1478                 return -EIO;
1479
1480         return 0;
1481 }
1482
1483 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1484 {
1485         int i, err;
1486         struct qlcnic_npar_info *npar;
1487         struct qlcnic_info nic_info;
1488         u8 pci_func;
1489
1490         if (qlcnic_82xx_check(adapter))
1491                 if (!adapter->need_fw_reset)
1492                         return 0;
1493
1494         /* Set the NPAR config data after FW reset */
1495         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1496                 npar = &adapter->npars[i];
1497                 pci_func = npar->pci_func;
1498                 if (!adapter->npars[i].eswitch_status)
1499                         continue;
1500
1501                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1502                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1503                 if (err)
1504                         return err;
1505                 nic_info.min_tx_bw = npar->min_bw;
1506                 nic_info.max_tx_bw = npar->max_bw;
1507                 err = qlcnic_set_nic_info(adapter, &nic_info);
1508                 if (err)
1509                         return err;
1510
1511                 if (npar->enable_pm) {
1512                         err = qlcnic_config_port_mirroring(adapter,
1513                                                            npar->dest_npar, 1,
1514                                                            pci_func);
1515                         if (err)
1516                                 return err;
1517                 }
1518                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1519                 if (err)
1520                         return err;
1521         }
1522         return 0;
1523 }
1524
1525 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1526 {
1527         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1528         u32 npar_state;
1529
1530         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1531                 return 0;
1532
1533         npar_state = QLC_SHARED_REG_RD32(adapter,
1534                                          QLCNIC_CRB_DEV_NPAR_STATE);
1535         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1536                 msleep(1000);
1537                 npar_state = QLC_SHARED_REG_RD32(adapter,
1538                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1539         }
1540         if (!npar_opt_timeo) {
1541                 dev_err(&adapter->pdev->dev,
1542                         "Waiting for NPAR state to operational timeout\n");
1543                 return -EIO;
1544         }
1545         return 0;
1546 }
1547
1548 static int
1549 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1550 {
1551         int err;
1552
1553         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1554             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1555                 return 0;
1556
1557         err = qlcnic_set_default_offload_settings(adapter);
1558         if (err)
1559                 return err;
1560
1561         err = qlcnic_reset_npar_config(adapter);
1562         if (err)
1563                 return err;
1564
1565         qlcnic_dev_set_npar_ready(adapter);
1566
1567         return err;
1568 }
1569
1570 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1571 {
1572         int err;
1573
1574         err = qlcnic_can_start_firmware(adapter);
1575         if (err < 0)
1576                 return err;
1577         else if (!err)
1578                 goto check_fw_status;
1579
1580         if (qlcnic_load_fw_file)
1581                 qlcnic_request_firmware(adapter);
1582         else {
1583                 err = qlcnic_check_flash_fw_ver(adapter);
1584                 if (err)
1585                         goto err_out;
1586
1587                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1588         }
1589
1590         err = qlcnic_need_fw_reset(adapter);
1591         if (err == 0)
1592                 goto check_fw_status;
1593
1594         err = qlcnic_pinit_from_rom(adapter);
1595         if (err)
1596                 goto err_out;
1597
1598         err = qlcnic_load_firmware(adapter);
1599         if (err)
1600                 goto err_out;
1601
1602         qlcnic_release_firmware(adapter);
1603         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1604
1605 check_fw_status:
1606         err = qlcnic_check_fw_status(adapter);
1607         if (err)
1608                 goto err_out;
1609
1610         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1611         qlcnic_idc_debug_info(adapter, 1);
1612         err = qlcnic_check_eswitch_mode(adapter);
1613         if (err) {
1614                 dev_err(&adapter->pdev->dev,
1615                         "Memory allocation failed for eswitch\n");
1616                 goto err_out;
1617         }
1618         err = qlcnic_set_mgmt_operations(adapter);
1619         if (err)
1620                 goto err_out;
1621
1622         qlcnic_check_options(adapter);
1623         adapter->need_fw_reset = 0;
1624
1625         qlcnic_release_firmware(adapter);
1626         return 0;
1627
1628 err_out:
1629         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1630         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1631
1632         qlcnic_release_firmware(adapter);
1633         return err;
1634 }
1635
1636 static int
1637 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1638 {
1639         irq_handler_t handler;
1640         struct qlcnic_host_sds_ring *sds_ring;
1641         struct qlcnic_host_tx_ring *tx_ring;
1642         int err, ring, num_sds_rings;
1643
1644         unsigned long flags = 0;
1645         struct net_device *netdev = adapter->netdev;
1646         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1647
1648         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1649                 if (qlcnic_82xx_check(adapter))
1650                         handler = qlcnic_tmp_intr;
1651                 else
1652                         handler = qlcnic_83xx_tmp_intr;
1653                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1654                         flags |= IRQF_SHARED;
1655
1656         } else {
1657                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1658                         handler = qlcnic_msix_intr;
1659                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1660                         handler = qlcnic_msi_intr;
1661                 else {
1662                         flags |= IRQF_SHARED;
1663                         if (qlcnic_82xx_check(adapter))
1664                                 handler = qlcnic_intr;
1665                         else
1666                                 handler = qlcnic_83xx_intr;
1667                 }
1668         }
1669         adapter->irq = netdev->irq;
1670
1671         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1672                 if (qlcnic_82xx_check(adapter) ||
1673                     (qlcnic_83xx_check(adapter) &&
1674                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1675                         num_sds_rings = adapter->drv_sds_rings;
1676                         for (ring = 0; ring < num_sds_rings; ring++) {
1677                                 sds_ring = &recv_ctx->sds_rings[ring];
1678                                 if (qlcnic_82xx_check(adapter) &&
1679                                     !qlcnic_check_multi_tx(adapter) &&
1680                                     (ring == (num_sds_rings - 1))) {
1681                                         if (!(adapter->flags &
1682                                               QLCNIC_MSIX_ENABLED))
1683                                                 snprintf(sds_ring->name,
1684                                                          sizeof(sds_ring->name),
1685                                                          "qlcnic");
1686                                         else
1687                                                 snprintf(sds_ring->name,
1688                                                          sizeof(sds_ring->name),
1689                                                          "%s-tx-0-rx-%d",
1690                                                          netdev->name, ring);
1691                                 } else {
1692                                         snprintf(sds_ring->name,
1693                                                  sizeof(sds_ring->name),
1694                                                  "%s-rx-%d",
1695                                                  netdev->name, ring);
1696                                 }
1697                                 err = request_irq(sds_ring->irq, handler, flags,
1698                                                   sds_ring->name, sds_ring);
1699                                 if (err)
1700                                         return err;
1701                         }
1702                 }
1703                 if ((qlcnic_82xx_check(adapter) &&
1704                      qlcnic_check_multi_tx(adapter)) ||
1705                     (qlcnic_83xx_check(adapter) &&
1706                      (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1707                      !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1708                         handler = qlcnic_msix_tx_intr;
1709                         for (ring = 0; ring < adapter->drv_tx_rings;
1710                              ring++) {
1711                                 tx_ring = &adapter->tx_ring[ring];
1712                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1713                                          "%s-tx-%d", netdev->name, ring);
1714                                 err = request_irq(tx_ring->irq, handler, flags,
1715                                                   tx_ring->name, tx_ring);
1716                                 if (err)
1717                                         return err;
1718                         }
1719                 }
1720         }
1721         return 0;
1722 }
1723
1724 static void
1725 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1726 {
1727         int ring;
1728         struct qlcnic_host_sds_ring *sds_ring;
1729         struct qlcnic_host_tx_ring *tx_ring;
1730
1731         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1732
1733         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1734                 if (qlcnic_82xx_check(adapter) ||
1735                     (qlcnic_83xx_check(adapter) &&
1736                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1737                         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1738                                 sds_ring = &recv_ctx->sds_rings[ring];
1739                                 free_irq(sds_ring->irq, sds_ring);
1740                         }
1741                 }
1742                 if ((qlcnic_83xx_check(adapter) &&
1743                      !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1744                     (qlcnic_82xx_check(adapter) &&
1745                      qlcnic_check_multi_tx(adapter))) {
1746                         for (ring = 0; ring < adapter->drv_tx_rings;
1747                              ring++) {
1748                                 tx_ring = &adapter->tx_ring[ring];
1749                                 if (tx_ring->irq)
1750                                         free_irq(tx_ring->irq, tx_ring);
1751                         }
1752                 }
1753         }
1754 }
1755
1756 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1757 {
1758         u32 capab = 0;
1759
1760         if (qlcnic_82xx_check(adapter)) {
1761                 if (adapter->ahw->extra_capability[0] &
1762                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1763                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1764         } else {
1765                 capab = adapter->ahw->capabilities;
1766                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1767                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1768         }
1769 }
1770
1771 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1772 {
1773         struct qlcnic_hardware_context *ahw = adapter->ahw;
1774         int err;
1775
1776         /* Initialize interrupt coalesce parameters */
1777         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1778
1779         if (qlcnic_83xx_check(adapter)) {
1780                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1781                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1782                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1783                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1784                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1785
1786                 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1787         } else {
1788                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1789                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1790                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1791
1792                 err = qlcnic_82xx_set_rx_coalesce(adapter);
1793         }
1794
1795         return err;
1796 }
1797
1798 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1799 {
1800         int ring;
1801         struct qlcnic_host_rds_ring *rds_ring;
1802
1803         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1804                 return -EIO;
1805
1806         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1807                 return 0;
1808
1809         if (qlcnic_set_eswitch_port_config(adapter))
1810                 return -EIO;
1811
1812         qlcnic_get_lro_mss_capability(adapter);
1813
1814         if (qlcnic_fw_create_ctx(adapter))
1815                 return -EIO;
1816
1817         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1818                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1819                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1820         }
1821
1822         qlcnic_set_multi(netdev);
1823         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1824
1825         adapter->ahw->linkup = 0;
1826
1827         if (adapter->drv_sds_rings > 1)
1828                 qlcnic_config_rss(adapter, 1);
1829
1830         qlcnic_config_def_intr_coalesce(adapter);
1831
1832         if (netdev->features & NETIF_F_LRO)
1833                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1834
1835         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1836         qlcnic_napi_enable(adapter);
1837
1838         qlcnic_linkevent_request(adapter, 1);
1839
1840         adapter->ahw->reset_context = 0;
1841         netif_tx_start_all_queues(netdev);
1842         return 0;
1843 }
1844
1845 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1846 {
1847         int err = 0;
1848
1849         rtnl_lock();
1850         if (netif_running(netdev))
1851                 err = __qlcnic_up(adapter, netdev);
1852         rtnl_unlock();
1853
1854         return err;
1855 }
1856
1857 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1858 {
1859         int ring;
1860
1861         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1862                 return;
1863
1864         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1865                 return;
1866
1867         if (qlcnic_sriov_vf_check(adapter))
1868                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1869         smp_mb();
1870         netif_carrier_off(netdev);
1871         adapter->ahw->linkup = 0;
1872         netif_tx_disable(netdev);
1873
1874         qlcnic_free_mac_list(adapter);
1875
1876         if (adapter->fhash.fnum)
1877                 qlcnic_delete_lb_filters(adapter);
1878
1879         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1880
1881         qlcnic_napi_disable(adapter);
1882
1883         qlcnic_fw_destroy_ctx(adapter);
1884         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1885
1886         qlcnic_reset_rx_buffers_list(adapter);
1887
1888         for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1889                 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1890 }
1891
1892 /* Usage: During suspend and firmware recovery module */
1893
1894 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1895 {
1896         rtnl_lock();
1897         if (netif_running(netdev))
1898                 __qlcnic_down(adapter, netdev);
1899         rtnl_unlock();
1900
1901 }
1902
1903 int
1904 qlcnic_attach(struct qlcnic_adapter *adapter)
1905 {
1906         struct net_device *netdev = adapter->netdev;
1907         struct pci_dev *pdev = adapter->pdev;
1908         int err;
1909
1910         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1911                 return 0;
1912
1913         err = qlcnic_napi_add(adapter, netdev);
1914         if (err)
1915                 return err;
1916
1917         err = qlcnic_alloc_sw_resources(adapter);
1918         if (err) {
1919                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1920                 goto err_out_napi_del;
1921         }
1922
1923         err = qlcnic_alloc_hw_resources(adapter);
1924         if (err) {
1925                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1926                 goto err_out_free_sw;
1927         }
1928
1929         err = qlcnic_request_irq(adapter);
1930         if (err) {
1931                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1932                 goto err_out_free_hw;
1933         }
1934
1935         qlcnic_create_sysfs_entries(adapter);
1936
1937         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1938         return 0;
1939
1940 err_out_free_hw:
1941         qlcnic_free_hw_resources(adapter);
1942 err_out_free_sw:
1943         qlcnic_free_sw_resources(adapter);
1944 err_out_napi_del:
1945         qlcnic_napi_del(adapter);
1946         return err;
1947 }
1948
1949 void qlcnic_detach(struct qlcnic_adapter *adapter)
1950 {
1951         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1952                 return;
1953
1954         qlcnic_remove_sysfs_entries(adapter);
1955
1956         qlcnic_free_hw_resources(adapter);
1957         qlcnic_release_rx_buffers(adapter);
1958         qlcnic_free_irq(adapter);
1959         qlcnic_napi_del(adapter);
1960         qlcnic_free_sw_resources(adapter);
1961
1962         adapter->is_up = 0;
1963 }
1964
1965 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
1966 {
1967         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1968         struct qlcnic_host_sds_ring *sds_ring;
1969         int drv_tx_rings = adapter->drv_tx_rings;
1970         int ring;
1971
1972         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1973         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1974                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1975                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1976                         qlcnic_disable_sds_intr(adapter, sds_ring);
1977                 }
1978         }
1979
1980         qlcnic_fw_destroy_ctx(adapter);
1981
1982         qlcnic_detach(adapter);
1983
1984         adapter->ahw->diag_test = 0;
1985         adapter->drv_sds_rings = drv_sds_rings;
1986         adapter->drv_tx_rings = drv_tx_rings;
1987
1988         if (qlcnic_attach(adapter))
1989                 goto out;
1990
1991         if (netif_running(netdev))
1992                 __qlcnic_up(adapter, netdev);
1993 out:
1994         netif_device_attach(netdev);
1995 }
1996
1997 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1998 {
1999         int err = 0;
2000
2001         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2002                                 GFP_KERNEL);
2003         if (!adapter->recv_ctx) {
2004                 err = -ENOMEM;
2005                 goto err_out;
2006         }
2007
2008         /* clear stats */
2009         memset(&adapter->stats, 0, sizeof(adapter->stats));
2010 err_out:
2011         return err;
2012 }
2013
2014 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2015 {
2016         kfree(adapter->recv_ctx);
2017         adapter->recv_ctx = NULL;
2018
2019         if (adapter->ahw->fw_dump.tmpl_hdr) {
2020                 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2021                 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2022         }
2023
2024         kfree(adapter->ahw->reset.buff);
2025         adapter->ahw->fw_dump.tmpl_hdr = NULL;
2026 }
2027
2028 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2029 {
2030         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2031         struct qlcnic_host_sds_ring *sds_ring;
2032         struct qlcnic_host_rds_ring *rds_ring;
2033         int ring;
2034         int ret;
2035
2036         netif_device_detach(netdev);
2037
2038         if (netif_running(netdev))
2039                 __qlcnic_down(adapter, netdev);
2040
2041         qlcnic_detach(adapter);
2042
2043         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2044         adapter->ahw->diag_test = test;
2045         adapter->ahw->linkup = 0;
2046
2047         ret = qlcnic_attach(adapter);
2048         if (ret) {
2049                 netif_device_attach(netdev);
2050                 return ret;
2051         }
2052
2053         ret = qlcnic_fw_create_ctx(adapter);
2054         if (ret) {
2055                 qlcnic_detach(adapter);
2056                 netif_device_attach(netdev);
2057                 return ret;
2058         }
2059
2060         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2061                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2062                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2063         }
2064
2065         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2066                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2067                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2068                         qlcnic_enable_sds_intr(adapter, sds_ring);
2069                 }
2070         }
2071
2072         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2073                 adapter->ahw->loopback_state = 0;
2074                 qlcnic_linkevent_request(adapter, 1);
2075         }
2076
2077         set_bit(__QLCNIC_DEV_UP, &adapter->state);
2078
2079         return 0;
2080 }
2081
2082 /* Reset context in hardware only */
2083 static int
2084 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2085 {
2086         struct net_device *netdev = adapter->netdev;
2087
2088         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2089                 return -EBUSY;
2090
2091         netif_device_detach(netdev);
2092
2093         qlcnic_down(adapter, netdev);
2094
2095         qlcnic_up(adapter, netdev);
2096
2097         netif_device_attach(netdev);
2098
2099         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2100         netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2101         return 0;
2102 }
2103
2104 int
2105 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2106 {
2107         int err = 0;
2108         struct net_device *netdev = adapter->netdev;
2109
2110         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2111                 return -EBUSY;
2112
2113         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2114
2115                 netif_device_detach(netdev);
2116
2117                 if (netif_running(netdev))
2118                         __qlcnic_down(adapter, netdev);
2119
2120                 qlcnic_detach(adapter);
2121
2122                 if (netif_running(netdev)) {
2123                         err = qlcnic_attach(adapter);
2124                         if (!err) {
2125                                 __qlcnic_up(adapter, netdev);
2126                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2127                         }
2128                 }
2129
2130                 netif_device_attach(netdev);
2131         }
2132
2133         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2134         return err;
2135 }
2136
2137 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2138 {
2139         struct qlcnic_hardware_context *ahw = adapter->ahw;
2140         u16 act_pci_fn = ahw->total_nic_func;
2141         u16 count;
2142
2143         ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2144         if (act_pci_fn <= 2)
2145                 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2146                          act_pci_fn;
2147         else
2148                 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2149                          act_pci_fn;
2150         ahw->max_uc_count = count;
2151 }
2152
2153 int
2154 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2155                     int pci_using_dac)
2156 {
2157         int err;
2158         struct pci_dev *pdev = adapter->pdev;
2159
2160         adapter->rx_csum = 1;
2161         adapter->ahw->mc_enabled = 0;
2162         qlcnic_set_mac_filter_count(adapter);
2163
2164         netdev->netdev_ops         = &qlcnic_netdev_ops;
2165         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2166
2167         qlcnic_change_mtu(netdev, netdev->mtu);
2168
2169         if (qlcnic_sriov_vf_check(adapter))
2170                 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2171         else
2172                 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2173
2174         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2175                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2176                              NETIF_F_HW_VLAN_CTAG_RX);
2177         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2178                                   NETIF_F_IPV6_CSUM);
2179
2180         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2181                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2182                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2183         }
2184
2185         if (pci_using_dac) {
2186                 netdev->features |= NETIF_F_HIGHDMA;
2187                 netdev->vlan_features |= NETIF_F_HIGHDMA;
2188         }
2189
2190         if (qlcnic_vlan_tx_check(adapter))
2191                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2192
2193         if (qlcnic_sriov_vf_check(adapter))
2194                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2195
2196         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2197                 netdev->features |= NETIF_F_LRO;
2198
2199         netdev->hw_features = netdev->features;
2200         netdev->priv_flags |= IFF_UNICAST_FLT;
2201         netdev->irq = adapter->msix_entries[0].vector;
2202
2203         err = qlcnic_set_real_num_queues(adapter, netdev);
2204         if (err)
2205                 return err;
2206
2207         err = register_netdev(netdev);
2208         if (err) {
2209                 dev_err(&pdev->dev, "failed to register net device\n");
2210                 return err;
2211         }
2212
2213         qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2214
2215         return 0;
2216 }
2217
2218 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2219 {
2220         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2221                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2222                 *pci_using_dac = 1;
2223         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2224                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2225                 *pci_using_dac = 0;
2226         else {
2227                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2228                 return -EIO;
2229         }
2230
2231         return 0;
2232 }
2233
2234 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2235 {
2236         int ring;
2237         struct qlcnic_host_tx_ring *tx_ring;
2238
2239         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2240                 tx_ring = &adapter->tx_ring[ring];
2241                 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2242                         vfree(tx_ring->cmd_buf_arr);
2243                         tx_ring->cmd_buf_arr = NULL;
2244                 }
2245         }
2246         if (adapter->tx_ring != NULL)
2247                 kfree(adapter->tx_ring);
2248 }
2249
2250 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2251                           struct net_device *netdev)
2252 {
2253         int ring, vector, index;
2254         struct qlcnic_host_tx_ring *tx_ring;
2255         struct qlcnic_cmd_buffer *cmd_buf_arr;
2256
2257         tx_ring = kcalloc(adapter->drv_tx_rings,
2258                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2259         if (tx_ring == NULL)
2260                 return -ENOMEM;
2261
2262         adapter->tx_ring = tx_ring;
2263
2264         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2265                 tx_ring = &adapter->tx_ring[ring];
2266                 tx_ring->num_desc = adapter->num_txd;
2267                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2268                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2269                 if (cmd_buf_arr == NULL) {
2270                         qlcnic_free_tx_rings(adapter);
2271                         return -ENOMEM;
2272                 }
2273                 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2274                 tx_ring->cmd_buf_arr = cmd_buf_arr;
2275                 spin_lock_init(&tx_ring->tx_clean_lock);
2276         }
2277
2278         if (qlcnic_83xx_check(adapter) ||
2279             (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2280                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2281                         tx_ring = &adapter->tx_ring[ring];
2282                         tx_ring->adapter = adapter;
2283                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2284                                 index = adapter->drv_sds_rings + ring;
2285                                 vector = adapter->msix_entries[index].vector;
2286                                 tx_ring->irq = vector;
2287                         }
2288                 }
2289         }
2290
2291         return 0;
2292 }
2293
2294 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2295 {
2296         struct qlcnic_hardware_context *ahw = adapter->ahw;
2297         u32 fw_cmd = 0;
2298
2299         if (qlcnic_82xx_check(adapter))
2300                 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2301         else if (qlcnic_83xx_check(adapter))
2302                 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2303
2304         if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2305                 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2306 }
2307
2308 static int
2309 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2310 {
2311         struct net_device *netdev = NULL;
2312         struct qlcnic_adapter *adapter = NULL;
2313         struct qlcnic_hardware_context *ahw;
2314         int err, pci_using_dac = -1;
2315         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2316
2317         if (pdev->is_virtfn)
2318                 return -ENODEV;
2319
2320         err = pci_enable_device(pdev);
2321         if (err)
2322                 return err;
2323
2324         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2325                 err = -ENODEV;
2326                 goto err_out_disable_pdev;
2327         }
2328
2329         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2330         if (err)
2331                 goto err_out_disable_pdev;
2332
2333         err = pci_request_regions(pdev, qlcnic_driver_name);
2334         if (err)
2335                 goto err_out_disable_pdev;
2336
2337         pci_set_master(pdev);
2338         pci_enable_pcie_error_reporting(pdev);
2339
2340         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2341         if (!ahw) {
2342                 err = -ENOMEM;
2343                 goto err_out_free_res;
2344         }
2345
2346         switch (ent->device) {
2347         case PCI_DEVICE_ID_QLOGIC_QLE824X:
2348                 ahw->hw_ops = &qlcnic_hw_ops;
2349                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2350                 break;
2351         case PCI_DEVICE_ID_QLOGIC_QLE834X:
2352         case PCI_DEVICE_ID_QLOGIC_QLE844X:
2353                 qlcnic_83xx_register_map(ahw);
2354                 break;
2355         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2356         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2357                 qlcnic_sriov_vf_register_map(ahw);
2358                 break;
2359         default:
2360                 goto err_out_free_hw_res;
2361         }
2362
2363         err = qlcnic_setup_pci_map(pdev, ahw);
2364         if (err)
2365                 goto err_out_free_hw_res;
2366
2367         netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2368                                    QLCNIC_MAX_TX_RINGS);
2369         if (!netdev) {
2370                 err = -ENOMEM;
2371                 goto err_out_iounmap;
2372         }
2373
2374         SET_NETDEV_DEV(netdev, &pdev->dev);
2375
2376         adapter = netdev_priv(netdev);
2377         adapter->netdev  = netdev;
2378         adapter->pdev    = pdev;
2379         adapter->ahw = ahw;
2380
2381         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2382         if (adapter->qlcnic_wq == NULL) {
2383                 err = -ENOMEM;
2384                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2385                 goto err_out_free_netdev;
2386         }
2387
2388         err = qlcnic_alloc_adapter_resources(adapter);
2389         if (err)
2390                 goto err_out_free_wq;
2391
2392         adapter->dev_rst_time = jiffies;
2393         ahw->revision_id = pdev->revision;
2394         ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2395         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2396                 adapter->fdb_mac_learn = true;
2397         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2398                 adapter->drv_mac_learn = true;
2399
2400         rwlock_init(&adapter->ahw->crb_lock);
2401         mutex_init(&adapter->ahw->mem_lock);
2402
2403         INIT_LIST_HEAD(&adapter->mac_list);
2404
2405         qlcnic_register_dcb(adapter);
2406
2407         if (qlcnic_82xx_check(adapter)) {
2408                 qlcnic_check_vf(adapter, ent);
2409                 adapter->portnum = adapter->ahw->pci_func;
2410                 err = qlcnic_start_firmware(adapter);
2411                 if (err) {
2412                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2413                                 "\t\tIf reboot doesn't help, try flashing the card\n");
2414                         goto err_out_maintenance_mode;
2415                 }
2416
2417                 /* compute and set default and max tx/sds rings */
2418                 if (adapter->ahw->msix_supported) {
2419                         if (qlcnic_check_multi_tx_capability(adapter) == 1)
2420                                 qlcnic_set_tx_ring_count(adapter,
2421                                                          QLCNIC_SINGLE_RING);
2422                         else
2423                                 qlcnic_set_tx_ring_count(adapter,
2424                                                          QLCNIC_DEF_TX_RINGS);
2425                         qlcnic_set_sds_ring_count(adapter,
2426                                                   QLCNIC_DEF_SDS_RINGS);
2427                 } else {
2428                         qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2429                         qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2430                 }
2431
2432                 err = qlcnic_setup_idc_param(adapter);
2433                 if (err)
2434                         goto err_out_free_hw;
2435
2436                 adapter->flags |= QLCNIC_NEED_FLR;
2437
2438         } else if (qlcnic_83xx_check(adapter)) {
2439                 qlcnic_83xx_check_vf(adapter, ent);
2440                 adapter->portnum = adapter->ahw->pci_func;
2441                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2442                 if (err) {
2443                         switch (err) {
2444                         case -ENOTRECOVERABLE:
2445                                 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n");
2446                                 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n");
2447                                 goto err_out_free_hw;
2448                         case -ENOMEM:
2449                                 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2450                                 goto err_out_free_hw;
2451                         default:
2452                                 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2453                                 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2454                                 goto err_out_maintenance_mode;
2455                         }
2456                 }
2457
2458                 if (qlcnic_sriov_vf_check(adapter))
2459                         return 0;
2460         } else {
2461                 dev_err(&pdev->dev,
2462                         "%s: failed. Please Reboot\n", __func__);
2463                 goto err_out_free_hw;
2464         }
2465
2466         qlcnic_dcb_enable(adapter->dcb);
2467
2468         if (qlcnic_read_mac_addr(adapter))
2469                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2470
2471         qlcnic_read_phys_port_id(adapter);
2472
2473         if (adapter->portnum == 0) {
2474                 qlcnic_get_board_name(adapter, board_name);
2475
2476                 pr_info("%s: %s Board Chip rev 0x%x\n",
2477                         module_name(THIS_MODULE),
2478                         board_name, adapter->ahw->revision_id);
2479         }
2480
2481         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2482             !!qlcnic_use_msi)
2483                 dev_warn(&pdev->dev,
2484                          "Device does not support MSI interrupts\n");
2485
2486         if (qlcnic_82xx_check(adapter)) {
2487                 err = qlcnic_setup_intr(adapter);
2488                 if (err) {
2489                         dev_err(&pdev->dev, "Failed to setup interrupt\n");
2490                         goto err_out_disable_msi;
2491                 }
2492         }
2493
2494         err = qlcnic_get_act_pci_func(adapter);
2495         if (err)
2496                 goto err_out_disable_mbx_intr;
2497
2498         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2499         if (err)
2500                 goto err_out_disable_mbx_intr;
2501
2502         if (adapter->portnum == 0)
2503                 qlcnic_set_drv_version(adapter);
2504
2505         pci_set_drvdata(pdev, adapter);
2506
2507         if (qlcnic_82xx_check(adapter))
2508                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2509                                      FW_POLL_DELAY);
2510
2511         switch (adapter->ahw->port_type) {
2512         case QLCNIC_GBE:
2513                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2514                                 adapter->netdev->name);
2515                 break;
2516         case QLCNIC_XGBE:
2517                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2518                                 adapter->netdev->name);
2519                 break;
2520         }
2521
2522         if (adapter->drv_mac_learn)
2523                 qlcnic_alloc_lb_filters_mem(adapter);
2524
2525         qlcnic_add_sysfs(adapter);
2526
2527         return 0;
2528
2529 err_out_disable_mbx_intr:
2530         if (qlcnic_83xx_check(adapter))
2531                 qlcnic_83xx_free_mbx_intr(adapter);
2532
2533 err_out_disable_msi:
2534         qlcnic_teardown_intr(adapter);
2535         qlcnic_cancel_idc_work(adapter);
2536         qlcnic_clr_all_drv_state(adapter, 0);
2537
2538 err_out_free_hw:
2539         qlcnic_free_adapter_resources(adapter);
2540
2541 err_out_free_wq:
2542         destroy_workqueue(adapter->qlcnic_wq);
2543
2544 err_out_free_netdev:
2545         free_netdev(netdev);
2546
2547 err_out_iounmap:
2548         qlcnic_cleanup_pci_map(ahw);
2549
2550 err_out_free_hw_res:
2551         kfree(ahw);
2552
2553 err_out_free_res:
2554         pci_release_regions(pdev);
2555
2556 err_out_disable_pdev:
2557         pci_disable_device(pdev);
2558         return err;
2559
2560 err_out_maintenance_mode:
2561         set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2562         netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2563         SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2564         ahw->port_type = QLCNIC_XGBE;
2565
2566         if (qlcnic_83xx_check(adapter))
2567                 adapter->tgt_status_reg = NULL;
2568         else
2569                 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2570
2571         err = register_netdev(netdev);
2572
2573         if (err) {
2574                 dev_err(&pdev->dev, "Failed to register net device\n");
2575                 qlcnic_clr_all_drv_state(adapter, 0);
2576                 goto err_out_free_hw;
2577         }
2578
2579         pci_set_drvdata(pdev, adapter);
2580         qlcnic_add_sysfs(adapter);
2581
2582         return 0;
2583 }
2584
2585 static void qlcnic_remove(struct pci_dev *pdev)
2586 {
2587         struct qlcnic_adapter *adapter;
2588         struct net_device *netdev;
2589         struct qlcnic_hardware_context *ahw;
2590
2591         adapter = pci_get_drvdata(pdev);
2592         if (adapter == NULL)
2593                 return;
2594
2595         netdev = adapter->netdev;
2596         qlcnic_sriov_pf_disable(adapter);
2597
2598         qlcnic_cancel_idc_work(adapter);
2599         ahw = adapter->ahw;
2600
2601         unregister_netdev(netdev);
2602         qlcnic_sriov_cleanup(adapter);
2603
2604         if (qlcnic_83xx_check(adapter)) {
2605                 qlcnic_83xx_initialize_nic(adapter, 0);
2606                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2607                 qlcnic_83xx_free_mbx_intr(adapter);
2608                 qlcnic_83xx_detach_mailbox_work(adapter);
2609                 qlcnic_83xx_free_mailbox(ahw->mailbox);
2610                 kfree(ahw->fw_info);
2611         }
2612
2613         qlcnic_dcb_free(adapter->dcb);
2614
2615         qlcnic_detach(adapter);
2616
2617         if (adapter->npars != NULL)
2618                 kfree(adapter->npars);
2619         if (adapter->eswitch != NULL)
2620                 kfree(adapter->eswitch);
2621
2622         if (qlcnic_82xx_check(adapter))
2623                 qlcnic_clr_all_drv_state(adapter, 0);
2624
2625         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2626
2627         qlcnic_free_lb_filters_mem(adapter);
2628
2629         qlcnic_teardown_intr(adapter);
2630
2631         qlcnic_remove_sysfs(adapter);
2632
2633         qlcnic_cleanup_pci_map(adapter->ahw);
2634
2635         qlcnic_release_firmware(adapter);
2636
2637         pci_disable_pcie_error_reporting(pdev);
2638         pci_release_regions(pdev);
2639         pci_disable_device(pdev);
2640
2641         if (adapter->qlcnic_wq) {
2642                 destroy_workqueue(adapter->qlcnic_wq);
2643                 adapter->qlcnic_wq = NULL;
2644         }
2645
2646         qlcnic_free_adapter_resources(adapter);
2647         kfree(ahw);
2648         free_netdev(netdev);
2649 }
2650
2651 static void qlcnic_shutdown(struct pci_dev *pdev)
2652 {
2653         if (__qlcnic_shutdown(pdev))
2654                 return;
2655
2656         pci_disable_device(pdev);
2657 }
2658
2659 #ifdef CONFIG_PM
2660 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2661 {
2662         int retval;
2663
2664         retval = __qlcnic_shutdown(pdev);
2665         if (retval)
2666                 return retval;
2667
2668         pci_set_power_state(pdev, pci_choose_state(pdev, state));
2669         return 0;
2670 }
2671
2672 static int qlcnic_resume(struct pci_dev *pdev)
2673 {
2674         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2675         int err;
2676
2677         err = pci_enable_device(pdev);
2678         if (err)
2679                 return err;
2680
2681         pci_set_power_state(pdev, PCI_D0);
2682         pci_set_master(pdev);
2683         pci_restore_state(pdev);
2684
2685         return  __qlcnic_resume(adapter);
2686 }
2687 #endif
2688
2689 static int qlcnic_open(struct net_device *netdev)
2690 {
2691         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2692         int err;
2693
2694         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2695                 netdev_err(netdev, "%s: Device is in non-operational state\n",
2696                            __func__);
2697
2698                 return -EIO;
2699         }
2700
2701         netif_carrier_off(netdev);
2702
2703         err = qlcnic_attach(adapter);
2704         if (err)
2705                 return err;
2706
2707         err = __qlcnic_up(adapter, netdev);
2708         if (err)
2709                 qlcnic_detach(adapter);
2710
2711         return err;
2712 }
2713
2714 /*
2715  * qlcnic_close - Disables a network interface entry point
2716  */
2717 static int qlcnic_close(struct net_device *netdev)
2718 {
2719         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2720
2721         __qlcnic_down(adapter, netdev);
2722
2723         return 0;
2724 }
2725
2726 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2727 {
2728         void *head;
2729         int i;
2730         struct net_device *netdev = adapter->netdev;
2731         u32 filter_size = 0;
2732         u16 act_pci_func = 0;
2733
2734         if (adapter->fhash.fmax && adapter->fhash.fhead)
2735                 return;
2736
2737         act_pci_func = adapter->ahw->total_nic_func;
2738         spin_lock_init(&adapter->mac_learn_lock);
2739         spin_lock_init(&adapter->rx_mac_learn_lock);
2740
2741         if (qlcnic_82xx_check(adapter)) {
2742                 filter_size = QLCNIC_LB_MAX_FILTERS;
2743                 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2744         } else {
2745                 filter_size = QLC_83XX_LB_MAX_FILTERS;
2746                 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2747         }
2748
2749         head = kcalloc(adapter->fhash.fbucket_size,
2750                        sizeof(struct hlist_head), GFP_ATOMIC);
2751
2752         if (!head)
2753                 return;
2754
2755         adapter->fhash.fmax = (filter_size / act_pci_func);
2756         adapter->fhash.fhead = head;
2757
2758         netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2759                     act_pci_func, adapter->fhash.fmax);
2760
2761         for (i = 0; i < adapter->fhash.fbucket_size; i++)
2762                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2763
2764         adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2765
2766         head = kcalloc(adapter->rx_fhash.fbucket_size,
2767                        sizeof(struct hlist_head), GFP_ATOMIC);
2768
2769         if (!head)
2770                 return;
2771
2772         adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2773         adapter->rx_fhash.fhead = head;
2774
2775         for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2776                 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2777 }
2778
2779 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2780 {
2781         if (adapter->fhash.fmax && adapter->fhash.fhead)
2782                 kfree(adapter->fhash.fhead);
2783
2784         adapter->fhash.fhead = NULL;
2785         adapter->fhash.fmax = 0;
2786
2787         if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2788                 kfree(adapter->rx_fhash.fhead);
2789
2790         adapter->rx_fhash.fmax = 0;
2791         adapter->rx_fhash.fhead = NULL;
2792 }
2793
2794 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2795 {
2796         struct net_device *netdev = adapter->netdev;
2797         u32 temp_state, temp_val, temp = 0;
2798         int rv = 0;
2799
2800         if (qlcnic_83xx_check(adapter))
2801                 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2802
2803         if (qlcnic_82xx_check(adapter))
2804                 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2805
2806         temp_state = qlcnic_get_temp_state(temp);
2807         temp_val = qlcnic_get_temp_val(temp);
2808
2809         if (temp_state == QLCNIC_TEMP_PANIC) {
2810                 dev_err(&netdev->dev,
2811                        "Device temperature %d degrees C exceeds"
2812                        " maximum allowed. Hardware has been shut down.\n",
2813                        temp_val);
2814                 rv = 1;
2815         } else if (temp_state == QLCNIC_TEMP_WARN) {
2816                 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2817                         dev_err(&netdev->dev,
2818                                "Device temperature %d degrees C "
2819                                "exceeds operating range."
2820                                " Immediate action needed.\n",
2821                                temp_val);
2822                 }
2823         } else {
2824                 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2825                         dev_info(&netdev->dev,
2826                                "Device temperature is now %d degrees C"
2827                                " in normal range.\n", temp_val);
2828                 }
2829         }
2830         adapter->ahw->temp = temp_state;
2831         return rv;
2832 }
2833
2834 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2835 {
2836         int i;
2837         struct cmd_desc_type0 *tx_desc_info;
2838
2839         for (i = 0; i < tx_ring->num_desc; i++) {
2840                 tx_desc_info = &tx_ring->desc_head[i];
2841                 pr_info("TX Desc: %d\n", i);
2842                 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2843                                &tx_ring->desc_head[i],
2844                                sizeof(struct cmd_desc_type0), true);
2845         }
2846 }
2847
2848 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2849 {
2850         struct net_device *netdev = adapter->netdev;
2851         struct qlcnic_host_tx_ring *tx_ring;
2852         int ring;
2853
2854         if (!netdev || !netif_running(netdev))
2855                 return;
2856
2857         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2858                 tx_ring = &adapter->tx_ring[ring];
2859                 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2860                             ring, tx_ring->ctx_id);
2861                 netdev_info(netdev,
2862                             "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2863                             tx_ring->tx_stats.xmit_finished,
2864                             tx_ring->tx_stats.xmit_called,
2865                             tx_ring->tx_stats.xmit_on,
2866                             tx_ring->tx_stats.xmit_off);
2867                 netdev_info(netdev,
2868                             "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2869                             readl(tx_ring->crb_intr_mask),
2870                             readl(tx_ring->crb_cmd_producer),
2871                             tx_ring->producer, tx_ring->sw_consumer,
2872                             le32_to_cpu(*(tx_ring->hw_consumer)));
2873
2874                 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2875                             tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2876
2877                 if (netif_msg_tx_done(adapter->ahw))
2878                         dump_tx_ring_desc(tx_ring);
2879         }
2880 }
2881
2882 static void qlcnic_tx_timeout(struct net_device *netdev)
2883 {
2884         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2885
2886         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2887                 return;
2888
2889         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2890                 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2891                 if (qlcnic_82xx_check(adapter))
2892                         adapter->need_fw_reset = 1;
2893                 else if (qlcnic_83xx_check(adapter))
2894                         qlcnic_83xx_idc_request_reset(adapter,
2895                                                       QLCNIC_FORCE_FW_DUMP_KEY);
2896         } else {
2897                 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2898                 qlcnic_dump_tx_rings(adapter);
2899                 adapter->ahw->reset_context = 1;
2900         }
2901 }
2902
2903 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2904 {
2905         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2906         struct net_device_stats *stats = &netdev->stats;
2907
2908         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2909                 qlcnic_update_stats(adapter);
2910
2911         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2912         stats->tx_packets = adapter->stats.xmitfinished;
2913         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2914         stats->tx_bytes = adapter->stats.txbytes;
2915         stats->rx_dropped = adapter->stats.rxdropped;
2916         stats->tx_dropped = adapter->stats.txdropped;
2917
2918         return stats;
2919 }
2920
2921 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2922 {
2923         u32 status;
2924
2925         status = readl(adapter->isr_int_vec);
2926
2927         if (!(status & adapter->ahw->int_vec_bit))
2928                 return IRQ_NONE;
2929
2930         /* check interrupt state machine, to be sure */
2931         status = readl(adapter->crb_int_state_reg);
2932         if (!ISR_LEGACY_INT_TRIGGERED(status))
2933                 return IRQ_NONE;
2934
2935         writel(0xffffffff, adapter->tgt_status_reg);
2936         /* read twice to ensure write is flushed */
2937         readl(adapter->isr_int_vec);
2938         readl(adapter->isr_int_vec);
2939
2940         return IRQ_HANDLED;
2941 }
2942
2943 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2944 {
2945         struct qlcnic_host_sds_ring *sds_ring = data;
2946         struct qlcnic_adapter *adapter = sds_ring->adapter;
2947
2948         if (adapter->flags & QLCNIC_MSIX_ENABLED)
2949                 goto done;
2950         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2951                 writel(0xffffffff, adapter->tgt_status_reg);
2952                 goto done;
2953         }
2954
2955         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2956                 return IRQ_NONE;
2957
2958 done:
2959         adapter->ahw->diag_cnt++;
2960         qlcnic_enable_sds_intr(adapter, sds_ring);
2961         return IRQ_HANDLED;
2962 }
2963
2964 static irqreturn_t qlcnic_intr(int irq, void *data)
2965 {
2966         struct qlcnic_host_sds_ring *sds_ring = data;
2967         struct qlcnic_adapter *adapter = sds_ring->adapter;
2968
2969         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2970                 return IRQ_NONE;
2971
2972         napi_schedule(&sds_ring->napi);
2973
2974         return IRQ_HANDLED;
2975 }
2976
2977 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2978 {
2979         struct qlcnic_host_sds_ring *sds_ring = data;
2980         struct qlcnic_adapter *adapter = sds_ring->adapter;
2981
2982         /* clear interrupt */
2983         writel(0xffffffff, adapter->tgt_status_reg);
2984
2985         napi_schedule(&sds_ring->napi);
2986         return IRQ_HANDLED;
2987 }
2988
2989 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2990 {
2991         struct qlcnic_host_sds_ring *sds_ring = data;
2992
2993         napi_schedule(&sds_ring->napi);
2994         return IRQ_HANDLED;
2995 }
2996
2997 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2998 {
2999         struct qlcnic_host_tx_ring *tx_ring = data;
3000
3001         napi_schedule(&tx_ring->napi);
3002         return IRQ_HANDLED;
3003 }
3004
3005 #ifdef CONFIG_NET_POLL_CONTROLLER
3006 static void qlcnic_poll_controller(struct net_device *netdev)
3007 {
3008         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3009         struct qlcnic_host_sds_ring *sds_ring;
3010         struct qlcnic_recv_context *recv_ctx;
3011         struct qlcnic_host_tx_ring *tx_ring;
3012         int ring;
3013
3014         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3015                 return;
3016
3017         recv_ctx = adapter->recv_ctx;
3018
3019         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3020                 sds_ring = &recv_ctx->sds_rings[ring];
3021                 qlcnic_disable_sds_intr(adapter, sds_ring);
3022                 napi_schedule(&sds_ring->napi);
3023         }
3024
3025         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3026                 /* Only Multi-Tx queue capable devices need to
3027                  * schedule NAPI for TX rings
3028                  */
3029                 if ((qlcnic_83xx_check(adapter) &&
3030                      (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3031                     (qlcnic_82xx_check(adapter) &&
3032                      !qlcnic_check_multi_tx(adapter)))
3033                         return;
3034
3035                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3036                         tx_ring = &adapter->tx_ring[ring];
3037                         qlcnic_disable_tx_intr(adapter, tx_ring);
3038                         napi_schedule(&tx_ring->napi);
3039                 }
3040         }
3041 }
3042 #endif
3043
3044 static void
3045 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3046 {
3047         u32 val;
3048
3049         val = adapter->portnum & 0xf;
3050         val |= encoding << 7;
3051         val |= (jiffies - adapter->dev_rst_time) << 8;
3052
3053         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3054         adapter->dev_rst_time = jiffies;
3055 }
3056
3057 static int
3058 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3059 {
3060         u32  val;
3061
3062         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3063                         state != QLCNIC_DEV_NEED_QUISCENT);
3064
3065         if (qlcnic_api_lock(adapter))
3066                 return -EIO;
3067
3068         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3069
3070         if (state == QLCNIC_DEV_NEED_RESET)
3071                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3072         else if (state == QLCNIC_DEV_NEED_QUISCENT)
3073                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3074
3075         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3076
3077         qlcnic_api_unlock(adapter);
3078
3079         return 0;
3080 }
3081
3082 static int
3083 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3084 {
3085         u32  val;
3086
3087         if (qlcnic_api_lock(adapter))
3088                 return -EBUSY;
3089
3090         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3091         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3092         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3093
3094         qlcnic_api_unlock(adapter);
3095
3096         return 0;
3097 }
3098
3099 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3100 {
3101         u32  val;
3102
3103         if (qlcnic_api_lock(adapter))
3104                 goto err;
3105
3106         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3107         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3108         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3109
3110         if (failed) {
3111                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3112                                     QLCNIC_DEV_FAILED);
3113                 dev_info(&adapter->pdev->dev,
3114                                 "Device state set to Failed. Please Reboot\n");
3115         } else if (!(val & 0x11111111))
3116                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3117                                     QLCNIC_DEV_COLD);
3118
3119         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3120         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3121         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3122
3123         qlcnic_api_unlock(adapter);
3124 err:
3125         adapter->fw_fail_cnt = 0;
3126         adapter->flags &= ~QLCNIC_FW_HANG;
3127         clear_bit(__QLCNIC_START_FW, &adapter->state);
3128         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3129 }
3130
3131 /* Grab api lock, before checking state */
3132 static int
3133 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3134 {
3135         int act, state, active_mask;
3136         struct qlcnic_hardware_context *ahw = adapter->ahw;
3137
3138         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3139         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3140
3141         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3142                 active_mask = (~(1 << (ahw->pci_func * 4)));
3143                 act = act & active_mask;
3144         }
3145
3146         if (((state & 0x11111111) == (act & 0x11111111)) ||
3147                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3148                 return 0;
3149         else
3150                 return 1;
3151 }
3152
3153 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3154 {
3155         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3156
3157         if (val != QLCNIC_DRV_IDC_VER) {
3158                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3159                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3160         }
3161
3162         return 0;
3163 }
3164
3165 static int
3166 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3167 {
3168         u32 val, prev_state;
3169         u8 dev_init_timeo = adapter->dev_init_timeo;
3170         u8 portnum = adapter->portnum;
3171         u8 ret;
3172
3173         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3174                 return 1;
3175
3176         if (qlcnic_api_lock(adapter))
3177                 return -1;
3178
3179         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3180         if (!(val & (1 << (portnum * 4)))) {
3181                 QLC_DEV_SET_REF_CNT(val, portnum);
3182                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3183         }
3184
3185         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3186         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3187
3188         switch (prev_state) {
3189         case QLCNIC_DEV_COLD:
3190                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3191                                     QLCNIC_DEV_INITIALIZING);
3192                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3193                                     QLCNIC_DRV_IDC_VER);
3194                 qlcnic_idc_debug_info(adapter, 0);
3195                 qlcnic_api_unlock(adapter);
3196                 return 1;
3197
3198         case QLCNIC_DEV_READY:
3199                 ret = qlcnic_check_idc_ver(adapter);
3200                 qlcnic_api_unlock(adapter);
3201                 return ret;
3202
3203         case QLCNIC_DEV_NEED_RESET:
3204                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3205                 QLC_DEV_SET_RST_RDY(val, portnum);
3206                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3207                 break;
3208
3209         case QLCNIC_DEV_NEED_QUISCENT:
3210                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3211                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3212                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3213                 break;
3214
3215         case QLCNIC_DEV_FAILED:
3216                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3217                 qlcnic_api_unlock(adapter);
3218                 return -1;
3219
3220         case QLCNIC_DEV_INITIALIZING:
3221         case QLCNIC_DEV_QUISCENT:
3222                 break;
3223         }
3224
3225         qlcnic_api_unlock(adapter);
3226
3227         do {
3228                 msleep(1000);
3229                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3230
3231                 if (prev_state == QLCNIC_DEV_QUISCENT)
3232                         continue;
3233         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3234
3235         if (!dev_init_timeo) {
3236                 dev_err(&adapter->pdev->dev,
3237                         "Waiting for device to initialize timeout\n");
3238                 return -1;
3239         }
3240
3241         if (qlcnic_api_lock(adapter))
3242                 return -1;
3243
3244         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3245         QLC_DEV_CLR_RST_QSCNT(val, portnum);
3246         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3247
3248         ret = qlcnic_check_idc_ver(adapter);
3249         qlcnic_api_unlock(adapter);
3250
3251         return ret;
3252 }
3253
3254 static void
3255 qlcnic_fwinit_work(struct work_struct *work)
3256 {
3257         struct qlcnic_adapter *adapter = container_of(work,
3258                         struct qlcnic_adapter, fw_work.work);
3259         u32 dev_state = 0xf;
3260         u32 val;
3261
3262         if (qlcnic_api_lock(adapter))
3263                 goto err_ret;
3264
3265         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3266         if (dev_state == QLCNIC_DEV_QUISCENT ||
3267             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3268                 qlcnic_api_unlock(adapter);
3269                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3270                                                 FW_POLL_DELAY * 2);
3271                 return;
3272         }
3273
3274         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3275                 qlcnic_api_unlock(adapter);
3276                 goto wait_npar;
3277         }
3278
3279         if (dev_state == QLCNIC_DEV_INITIALIZING ||
3280             dev_state == QLCNIC_DEV_READY) {
3281                 dev_info(&adapter->pdev->dev, "Detected state change from "
3282                                 "DEV_NEED_RESET, skipping ack check\n");
3283                 goto skip_ack_check;
3284         }
3285
3286         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3287                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3288                                         adapter->reset_ack_timeo);
3289                 goto skip_ack_check;
3290         }
3291
3292         if (!qlcnic_check_drv_state(adapter)) {
3293 skip_ack_check:
3294                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3295
3296                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3297                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3298                                             QLCNIC_DEV_INITIALIZING);
3299                         set_bit(__QLCNIC_START_FW, &adapter->state);
3300                         QLCDB(adapter, DRV, "Restarting fw\n");
3301                         qlcnic_idc_debug_info(adapter, 0);
3302                         val = QLC_SHARED_REG_RD32(adapter,
3303                                                   QLCNIC_CRB_DRV_STATE);
3304                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3305                         QLC_SHARED_REG_WR32(adapter,
3306                                             QLCNIC_CRB_DRV_STATE, val);
3307                 }
3308
3309                 qlcnic_api_unlock(adapter);
3310
3311                 rtnl_lock();
3312                 if (qlcnic_check_fw_dump_state(adapter) &&
3313                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3314                         QLCDB(adapter, DRV, "Take FW dump\n");
3315                         qlcnic_dump_fw(adapter);
3316                         adapter->flags |= QLCNIC_FW_HANG;
3317                 }
3318                 rtnl_unlock();
3319
3320                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3321                 if (!adapter->nic_ops->start_firmware(adapter)) {
3322                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3323                         adapter->fw_wait_cnt = 0;
3324                         return;
3325                 }
3326                 goto err_ret;
3327         }
3328
3329         qlcnic_api_unlock(adapter);
3330
3331 wait_npar:
3332         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3333         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3334
3335         switch (dev_state) {
3336         case QLCNIC_DEV_READY:
3337                 if (!qlcnic_start_firmware(adapter)) {
3338                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3339                         adapter->fw_wait_cnt = 0;
3340                         return;
3341                 }
3342         case QLCNIC_DEV_FAILED:
3343                 break;
3344         default:
3345                 qlcnic_schedule_work(adapter,
3346                         qlcnic_fwinit_work, FW_POLL_DELAY);
3347                 return;
3348         }
3349
3350 err_ret:
3351         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3352                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3353         netif_device_attach(adapter->netdev);
3354         qlcnic_clr_all_drv_state(adapter, 0);
3355 }
3356
3357 static void
3358 qlcnic_detach_work(struct work_struct *work)
3359 {
3360         struct qlcnic_adapter *adapter = container_of(work,
3361                         struct qlcnic_adapter, fw_work.work);
3362         struct net_device *netdev = adapter->netdev;
3363         u32 status;
3364
3365         netif_device_detach(netdev);
3366
3367         /* Dont grab rtnl lock during Quiscent mode */
3368         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3369                 if (netif_running(netdev))
3370                         __qlcnic_down(adapter, netdev);
3371         } else
3372                 qlcnic_down(adapter, netdev);
3373
3374         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3375
3376         if (status & QLCNIC_RCODE_FATAL_ERROR) {
3377                 dev_err(&adapter->pdev->dev,
3378                         "Detaching the device: peg halt status1=0x%x\n",
3379                                         status);
3380
3381                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3382                         dev_err(&adapter->pdev->dev,
3383                         "On board active cooling fan failed. "
3384                                 "Device has been halted.\n");
3385                         dev_err(&adapter->pdev->dev,
3386                                 "Replace the adapter.\n");
3387                 }
3388
3389                 goto err_ret;
3390         }
3391
3392         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3393                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3394                         adapter->ahw->temp);
3395                 goto err_ret;
3396         }
3397
3398         /* Dont ack if this instance is the reset owner */
3399         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3400                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3401                         dev_err(&adapter->pdev->dev,
3402                                 "Failed to set driver state,"
3403                                         "detaching the device.\n");
3404                         goto err_ret;
3405                 }
3406         }
3407
3408         adapter->fw_wait_cnt = 0;
3409
3410         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3411
3412         return;
3413
3414 err_ret:
3415         netif_device_attach(netdev);
3416         qlcnic_clr_all_drv_state(adapter, 1);
3417 }
3418
3419 /*Transit NPAR state to NON Operational */
3420 static void
3421 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3422 {
3423         u32 state;
3424
3425         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3426         if (state == QLCNIC_DEV_NPAR_NON_OPER)
3427                 return;
3428
3429         if (qlcnic_api_lock(adapter))
3430                 return;
3431         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3432                             QLCNIC_DEV_NPAR_NON_OPER);
3433         qlcnic_api_unlock(adapter);
3434 }
3435
3436 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3437                                           u32 key)
3438 {
3439         u32 state, xg_val = 0, gb_val = 0;
3440
3441         qlcnic_xg_set_xg0_mask(xg_val);
3442         qlcnic_xg_set_xg1_mask(xg_val);
3443         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3444         qlcnic_gb_set_gb0_mask(gb_val);
3445         qlcnic_gb_set_gb1_mask(gb_val);
3446         qlcnic_gb_set_gb2_mask(gb_val);
3447         qlcnic_gb_set_gb3_mask(gb_val);
3448         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3449         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3450                                 " on all ports\n");
3451         adapter->need_fw_reset = 1;
3452
3453         if (qlcnic_api_lock(adapter))
3454                 return;
3455
3456         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3457
3458         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3459                 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3460                            __func__);
3461                 qlcnic_api_unlock(adapter);
3462
3463                 return;
3464         }
3465
3466         if (state == QLCNIC_DEV_READY) {
3467                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3468                                     QLCNIC_DEV_NEED_RESET);
3469                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3470                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3471                 qlcnic_idc_debug_info(adapter, 0);
3472         }
3473
3474         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3475                             QLCNIC_DEV_NPAR_NON_OPER);
3476         qlcnic_api_unlock(adapter);
3477 }
3478
3479 /* Transit to NPAR READY state from NPAR NOT READY state */
3480 static void
3481 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3482 {
3483         if (qlcnic_api_lock(adapter))
3484                 return;
3485
3486         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3487                             QLCNIC_DEV_NPAR_OPER);
3488         QLCDB(adapter, DRV, "NPAR operational state set\n");
3489
3490         qlcnic_api_unlock(adapter);
3491 }
3492
3493 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3494                           work_func_t func, int delay)
3495 {
3496         if (test_bit(__QLCNIC_AER, &adapter->state))
3497                 return;
3498
3499         INIT_DELAYED_WORK(&adapter->fw_work, func);
3500         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3501                            round_jiffies_relative(delay));
3502 }
3503
3504 static void
3505 qlcnic_attach_work(struct work_struct *work)
3506 {
3507         struct qlcnic_adapter *adapter = container_of(work,
3508                                 struct qlcnic_adapter, fw_work.work);
3509         struct net_device *netdev = adapter->netdev;
3510         u32 npar_state;
3511
3512         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3513                 npar_state = QLC_SHARED_REG_RD32(adapter,
3514                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3515                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3516                         qlcnic_clr_all_drv_state(adapter, 0);
3517                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3518                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3519                                                         FW_POLL_DELAY);
3520                 else
3521                         goto attach;
3522                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3523                 return;
3524         }
3525 attach:
3526         qlcnic_dcb_get_info(adapter->dcb);
3527
3528         if (netif_running(netdev)) {
3529                 if (qlcnic_up(adapter, netdev))
3530                         goto done;
3531
3532                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3533         }
3534
3535 done:
3536         netif_device_attach(netdev);
3537         adapter->fw_fail_cnt = 0;
3538         adapter->flags &= ~QLCNIC_FW_HANG;
3539         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3540         if (adapter->portnum == 0)
3541                 qlcnic_set_drv_version(adapter);
3542
3543         if (!qlcnic_clr_drv_state(adapter))
3544                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3545                                                         FW_POLL_DELAY);
3546 }
3547
3548 static int
3549 qlcnic_check_health(struct qlcnic_adapter *adapter)
3550 {
3551         struct qlcnic_hardware_context *ahw = adapter->ahw;
3552         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3553         u32 state = 0, heartbeat;
3554         u32 peg_status;
3555         int err = 0;
3556
3557         if (qlcnic_check_temp(adapter))
3558                 goto detach;
3559
3560         if (adapter->need_fw_reset)
3561                 qlcnic_dev_request_reset(adapter, 0);
3562
3563         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3564         if (state == QLCNIC_DEV_NEED_RESET) {
3565                 qlcnic_set_npar_non_operational(adapter);
3566                 adapter->need_fw_reset = 1;
3567         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3568                 goto detach;
3569
3570         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3571         if (heartbeat != adapter->heartbeat) {
3572                 adapter->heartbeat = heartbeat;
3573                 adapter->fw_fail_cnt = 0;
3574                 if (adapter->need_fw_reset)
3575                         goto detach;
3576
3577                 if (ahw->reset_context && qlcnic_auto_fw_reset)
3578                         qlcnic_reset_hw_context(adapter);
3579
3580                 return 0;
3581         }
3582
3583         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3584                 return 0;
3585
3586         adapter->flags |= QLCNIC_FW_HANG;
3587
3588         qlcnic_dev_request_reset(adapter, 0);
3589
3590         if (qlcnic_auto_fw_reset)
3591                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3592
3593         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3594         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3595         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3596                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3597                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3598                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3599                         "PEG_NET_4_PC: 0x%x\n",
3600                         peg_status,
3601                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3602                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3603                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3604                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3605                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3606                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3607         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3608                 dev_err(&adapter->pdev->dev,
3609                         "Firmware aborted with error code 0x00006700. "
3610                                 "Device is being reset.\n");
3611 detach:
3612         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3613                 QLCNIC_DEV_NEED_RESET;
3614
3615         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3616                                                       &adapter->state)) {
3617
3618                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3619                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3620         } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3621                    adapter->flags & QLCNIC_FW_RESET_OWNER) {
3622                 qlcnic_dump_fw(adapter);
3623         }
3624
3625         return 1;
3626 }
3627
3628 void qlcnic_fw_poll_work(struct work_struct *work)
3629 {
3630         struct qlcnic_adapter *adapter = container_of(work,
3631                                 struct qlcnic_adapter, fw_work.work);
3632
3633         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3634                 goto reschedule;
3635
3636
3637         if (qlcnic_check_health(adapter))
3638                 return;
3639
3640         if (adapter->fhash.fnum)
3641                 qlcnic_prune_lb_filters(adapter);
3642
3643 reschedule:
3644         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3645 }
3646
3647 static int qlcnic_is_first_func(struct pci_dev *pdev)
3648 {
3649         struct pci_dev *oth_pdev;
3650         int val = pdev->devfn;
3651
3652         while (val-- > 0) {
3653                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3654                         (pdev->bus), pdev->bus->number,
3655                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3656                 if (!oth_pdev)
3657                         continue;
3658
3659                 if (oth_pdev->current_state != PCI_D3cold) {
3660                         pci_dev_put(oth_pdev);
3661                         return 0;
3662                 }
3663                 pci_dev_put(oth_pdev);
3664         }
3665         return 1;
3666 }
3667
3668 static int qlcnic_attach_func(struct pci_dev *pdev)
3669 {
3670         int err, first_func;
3671         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3672         struct net_device *netdev = adapter->netdev;
3673
3674         pdev->error_state = pci_channel_io_normal;
3675
3676         err = pci_enable_device(pdev);
3677         if (err)
3678                 return err;
3679
3680         pci_set_master(pdev);
3681         pci_restore_state(pdev);
3682
3683         first_func = qlcnic_is_first_func(pdev);
3684
3685         if (qlcnic_api_lock(adapter))
3686                 return -EINVAL;
3687
3688         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3689                 adapter->need_fw_reset = 1;
3690                 set_bit(__QLCNIC_START_FW, &adapter->state);
3691                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3692                                     QLCNIC_DEV_INITIALIZING);
3693                 QLCDB(adapter, DRV, "Restarting fw\n");
3694         }
3695         qlcnic_api_unlock(adapter);
3696
3697         err = qlcnic_start_firmware(adapter);
3698         if (err)
3699                 return err;
3700
3701         qlcnic_clr_drv_state(adapter);
3702         kfree(adapter->msix_entries);
3703         adapter->msix_entries = NULL;
3704         err = qlcnic_setup_intr(adapter);
3705
3706         if (err) {
3707                 kfree(adapter->msix_entries);
3708                 netdev_err(netdev, "failed to setup interrupt\n");
3709                 return err;
3710         }
3711
3712         if (netif_running(netdev)) {
3713                 err = qlcnic_attach(adapter);
3714                 if (err) {
3715                         qlcnic_clr_all_drv_state(adapter, 1);
3716                         clear_bit(__QLCNIC_AER, &adapter->state);
3717                         netif_device_attach(netdev);
3718                         return err;
3719                 }
3720
3721                 err = qlcnic_up(adapter, netdev);
3722                 if (err)
3723                         goto done;
3724
3725                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3726         }
3727  done:
3728         netif_device_attach(netdev);
3729         return err;
3730 }
3731
3732 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3733                                                       pci_channel_state_t state)
3734 {
3735         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3736         struct net_device *netdev = adapter->netdev;
3737
3738         if (state == pci_channel_io_perm_failure)
3739                 return PCI_ERS_RESULT_DISCONNECT;
3740
3741         if (state == pci_channel_io_normal)
3742                 return PCI_ERS_RESULT_RECOVERED;
3743
3744         set_bit(__QLCNIC_AER, &adapter->state);
3745         netif_device_detach(netdev);
3746
3747         cancel_delayed_work_sync(&adapter->fw_work);
3748
3749         if (netif_running(netdev))
3750                 qlcnic_down(adapter, netdev);
3751
3752         qlcnic_detach(adapter);
3753         qlcnic_teardown_intr(adapter);
3754
3755         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3756
3757         pci_save_state(pdev);
3758         pci_disable_device(pdev);
3759
3760         return PCI_ERS_RESULT_NEED_RESET;
3761 }
3762
3763 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3764 {
3765         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3766                                 PCI_ERS_RESULT_RECOVERED;
3767 }
3768
3769 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3770 {
3771         u32 state;
3772         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3773
3774         pci_cleanup_aer_uncorrect_error_status(pdev);
3775         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3776         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3777                                                             &adapter->state))
3778                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3779                                      FW_POLL_DELAY);
3780 }
3781
3782 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3783                                                  pci_channel_state_t state)
3784 {
3785         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3786         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3787
3788         if (hw_ops->io_error_detected) {
3789                 return hw_ops->io_error_detected(pdev, state);
3790         } else {
3791                 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3792                 return PCI_ERS_RESULT_DISCONNECT;
3793         }
3794 }
3795
3796 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3797 {
3798         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3799         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3800
3801         if (hw_ops->io_slot_reset) {
3802                 return hw_ops->io_slot_reset(pdev);
3803         } else {
3804                 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3805                 return PCI_ERS_RESULT_DISCONNECT;
3806         }
3807 }
3808
3809 static void qlcnic_io_resume(struct pci_dev *pdev)
3810 {
3811         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3812         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3813
3814         if (hw_ops->io_resume)
3815                 hw_ops->io_resume(pdev);
3816         else
3817                 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3818 }
3819
3820
3821 static int
3822 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3823 {
3824         int err;
3825
3826         err = qlcnic_can_start_firmware(adapter);
3827         if (err)
3828                 return err;
3829
3830         err = qlcnic_check_npar_opertional(adapter);
3831         if (err)
3832                 return err;
3833
3834         err = qlcnic_initialize_nic(adapter);
3835         if (err)
3836                 return err;
3837
3838         qlcnic_check_options(adapter);
3839
3840         err = qlcnic_set_eswitch_port_config(adapter);
3841         if (err)
3842                 return err;
3843
3844         adapter->need_fw_reset = 0;
3845
3846         return err;
3847 }
3848
3849 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3850                           int queue_type)
3851 {
3852         struct net_device *netdev = adapter->netdev;
3853         u8 max_hw_rings = 0;
3854         char buf[8];
3855         int cur_rings;
3856
3857         if (queue_type == QLCNIC_RX_QUEUE) {
3858                 max_hw_rings = adapter->max_sds_rings;
3859                 cur_rings = adapter->drv_sds_rings;
3860                 strcpy(buf, "SDS");
3861         } else if (queue_type == QLCNIC_TX_QUEUE) {
3862                 max_hw_rings = adapter->max_tx_rings;
3863                 cur_rings = adapter->drv_tx_rings;
3864                 strcpy(buf, "Tx");
3865         }
3866
3867         if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3868                 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3869                 return -EINVAL;
3870         }
3871
3872         if (adapter->flags & QLCNIC_MSI_ENABLED) {
3873                 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3874                 return -EINVAL;
3875         }
3876
3877         if (!is_power_of_2(ring_cnt)) {
3878                 netdev_err(netdev, "%s rings value should be a power of 2\n",
3879                            buf);
3880                 return -EINVAL;
3881         }
3882
3883         if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3884             !qlcnic_check_multi_tx(adapter)) {
3885                         netdev_err(netdev, "No Multi Tx queue support\n");
3886                         return -EINVAL;
3887         }
3888
3889         if (ring_cnt > num_online_cpus()) {
3890                 netdev_err(netdev,
3891                            "%s value[%u] should not be higher than, number of online CPUs\n",
3892                            buf, num_online_cpus());
3893                 return -EINVAL;
3894         }
3895
3896         return 0;
3897 }
3898
3899 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
3900 {
3901         struct net_device *netdev = adapter->netdev;
3902         int err;
3903
3904         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3905                 return -EBUSY;
3906
3907         netif_device_detach(netdev);
3908         if (netif_running(netdev))
3909                 __qlcnic_down(adapter, netdev);
3910
3911         qlcnic_detach(adapter);
3912
3913         if (qlcnic_83xx_check(adapter)) {
3914                 qlcnic_83xx_free_mbx_intr(adapter);
3915                 qlcnic_83xx_enable_mbx_poll(adapter);
3916         }
3917
3918         qlcnic_teardown_intr(adapter);
3919
3920         err = qlcnic_setup_intr(adapter);
3921         if (err) {
3922                 kfree(adapter->msix_entries);
3923                 netdev_err(netdev, "failed to setup interrupt\n");
3924                 return err;
3925         }
3926
3927         netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3928
3929         if (qlcnic_83xx_check(adapter)) {
3930                 qlcnic_83xx_initialize_nic(adapter, 1);
3931                 err = qlcnic_83xx_setup_mbx_intr(adapter);
3932                 qlcnic_83xx_disable_mbx_poll(adapter);
3933                 if (err) {
3934                         dev_err(&adapter->pdev->dev,
3935                                 "failed to setup mbx interrupt\n");
3936                         goto done;
3937                 }
3938         }
3939
3940         if (netif_running(netdev)) {
3941                 err = qlcnic_attach(adapter);
3942                 if (err)
3943                         goto done;
3944                 err = __qlcnic_up(adapter, netdev);
3945                 if (err)
3946                         goto done;
3947                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3948         }
3949 done:
3950         netif_device_attach(netdev);
3951         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3952         return err;
3953 }
3954
3955 #ifdef CONFIG_INET
3956
3957 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3958
3959 static void
3960 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3961                         struct net_device *dev, unsigned long event)
3962 {
3963         struct in_device *indev;
3964
3965         indev = in_dev_get(dev);
3966         if (!indev)
3967                 return;
3968
3969         for_ifa(indev) {
3970                 switch (event) {
3971                 case NETDEV_UP:
3972                         qlcnic_config_ipaddr(adapter,
3973                                         ifa->ifa_address, QLCNIC_IP_UP);
3974                         break;
3975                 case NETDEV_DOWN:
3976                         qlcnic_config_ipaddr(adapter,
3977                                         ifa->ifa_address, QLCNIC_IP_DOWN);
3978                         break;
3979                 default:
3980                         break;
3981                 }
3982         } endfor_ifa(indev);
3983
3984         in_dev_put(indev);
3985 }
3986
3987 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3988 {
3989         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3990         struct net_device *dev;
3991         u16 vid;
3992
3993         qlcnic_config_indev_addr(adapter, netdev, event);
3994
3995         rcu_read_lock();
3996         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3997                 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3998                 if (!dev)
3999                         continue;
4000                 qlcnic_config_indev_addr(adapter, dev, event);
4001         }
4002         rcu_read_unlock();
4003 }
4004
4005 static int qlcnic_netdev_event(struct notifier_block *this,
4006                                  unsigned long event, void *ptr)
4007 {
4008         struct qlcnic_adapter *adapter;
4009         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4010
4011 recheck:
4012         if (dev == NULL)
4013                 goto done;
4014
4015         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4016                 dev = vlan_dev_real_dev(dev);
4017                 goto recheck;
4018         }
4019
4020         if (!is_qlcnic_netdev(dev))
4021                 goto done;
4022
4023         adapter = netdev_priv(dev);
4024
4025         if (!adapter)
4026                 goto done;
4027
4028         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4029                 goto done;
4030
4031         qlcnic_config_indev_addr(adapter, dev, event);
4032 done:
4033         return NOTIFY_DONE;
4034 }
4035
4036 static int
4037 qlcnic_inetaddr_event(struct notifier_block *this,
4038                 unsigned long event, void *ptr)
4039 {
4040         struct qlcnic_adapter *adapter;
4041         struct net_device *dev;
4042
4043         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4044
4045         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4046
4047 recheck:
4048         if (dev == NULL)
4049                 goto done;
4050
4051         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4052                 dev = vlan_dev_real_dev(dev);
4053                 goto recheck;
4054         }
4055
4056         if (!is_qlcnic_netdev(dev))
4057                 goto done;
4058
4059         adapter = netdev_priv(dev);
4060
4061         if (!adapter)
4062                 goto done;
4063
4064         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4065                 goto done;
4066
4067         switch (event) {
4068         case NETDEV_UP:
4069                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4070
4071                 break;
4072         case NETDEV_DOWN:
4073                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4074
4075                 break;
4076         default:
4077                 break;
4078         }
4079
4080 done:
4081         return NOTIFY_DONE;
4082 }
4083
4084 static struct notifier_block    qlcnic_netdev_cb = {
4085         .notifier_call = qlcnic_netdev_event,
4086 };
4087
4088 static struct notifier_block qlcnic_inetaddr_cb = {
4089         .notifier_call = qlcnic_inetaddr_event,
4090 };
4091 #else
4092 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4093 { }
4094 #endif
4095 static const struct pci_error_handlers qlcnic_err_handler = {
4096         .error_detected = qlcnic_io_error_detected,
4097         .slot_reset = qlcnic_io_slot_reset,
4098         .resume = qlcnic_io_resume,
4099 };
4100
4101 static struct pci_driver qlcnic_driver = {
4102         .name = qlcnic_driver_name,
4103         .id_table = qlcnic_pci_tbl,
4104         .probe = qlcnic_probe,
4105         .remove = qlcnic_remove,
4106 #ifdef CONFIG_PM
4107         .suspend = qlcnic_suspend,
4108         .resume = qlcnic_resume,
4109 #endif
4110         .shutdown = qlcnic_shutdown,
4111         .err_handler = &qlcnic_err_handler,
4112 #ifdef CONFIG_QLCNIC_SRIOV
4113         .sriov_configure = qlcnic_pci_sriov_configure,
4114 #endif
4115
4116 };
4117
4118 static int __init qlcnic_init_module(void)
4119 {
4120         int ret;
4121
4122         printk(KERN_INFO "%s\n", qlcnic_driver_string);
4123
4124 #ifdef CONFIG_INET
4125         register_netdevice_notifier(&qlcnic_netdev_cb);
4126         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4127 #endif
4128
4129         ret = pci_register_driver(&qlcnic_driver);
4130         if (ret) {
4131 #ifdef CONFIG_INET
4132                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4133                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4134 #endif
4135         }
4136
4137         return ret;
4138 }
4139
4140 module_init(qlcnic_init_module);
4141
4142 static void __exit qlcnic_exit_module(void)
4143 {
4144         pci_unregister_driver(&qlcnic_driver);
4145
4146 #ifdef CONFIG_INET
4147         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4148         unregister_netdevice_notifier(&qlcnic_netdev_cb);
4149 #endif
4150 }
4151
4152 module_exit(qlcnic_exit_module);