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 u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  85 {
  86         struct qlcnic_hardware_context *ahw = adapter->ahw;
  87
  88         if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
  89                 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
  90         else
  91                 return 1;
  92 }
  93
  94 /*  PCI Device ID Table  */
  95 #define ENTRY(device) \
  96         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
  97         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
  98
  99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
 100         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 101         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
 102         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
 103         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
 104         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
 105         {0,}
 106 };
 107
 108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 109
 110
 111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
 112 {
 113         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 114 }
 115
 116 static const u32 msi_tgt_status[8] = {
 117         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 118         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 119         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 120         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 121 };
 122
 123 static const u32 qlcnic_reg_tbl[] = {
 124         0x1B20A8,       /* PEG_HALT_STAT1 */
 125         0x1B20AC,       /* PEG_HALT_STAT2 */
 126         0x1B20B0,       /* FW_HEARTBEAT */
 127         0x1B2100,       /* LOCK ID */
 128         0x1B2128,       /* FW_CAPABILITIES */
 129         0x1B2138,       /* drv active */
 130         0x1B2140,       /* dev state */
 131         0x1B2144,       /* drv state */
 132         0x1B2148,       /* drv scratch */
 133         0x1B214C,       /* dev partition info */
 134         0x1B2174,       /* drv idc ver */
 135         0x1B2150,       /* fw version major */
 136         0x1B2154,       /* fw version minor */
 137         0x1B2158,       /* fw version sub */
 138         0x1B219C,       /* npar state */
 139         0x1B21FC,       /* FW_IMG_VALID */
 140         0x1B2250,       /* CMD_PEG_STATE */
 141         0x1B233C,       /* RCV_PEG_STATE */
 142         0x1B23B4,       /* ASIC TEMP */
 143         0x1B216C,       /* FW api */
 144         0x1B2170,       /* drv op mode */
 145         0x13C010,       /* flash lock */
 146         0x13C014,       /* flash unlock */
 147 };
 148
 149 static const struct qlcnic_board_info qlcnic_boards[] = {
 150         { PCI_VENDOR_ID_QLOGIC,
 151           PCI_DEVICE_ID_QLOGIC_QLE844X,
 152           0x0,
 153           0x0,
 154           "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
 155         { PCI_VENDOR_ID_QLOGIC,
 156           PCI_DEVICE_ID_QLOGIC_QLE834X,
 157           PCI_VENDOR_ID_QLOGIC,
 158           0x24e,
 159           "8300 Series Dual Port 10GbE Converged Network Adapter "
 160           "(TCP/IP Networking)" },
 161         { PCI_VENDOR_ID_QLOGIC,
 162           PCI_DEVICE_ID_QLOGIC_QLE834X,
 163           PCI_VENDOR_ID_QLOGIC,
 164           0x243,
 165           "8300 Series Single Port 10GbE Converged Network Adapter "
 166           "(TCP/IP Networking)" },
 167         { PCI_VENDOR_ID_QLOGIC,
 168           PCI_DEVICE_ID_QLOGIC_QLE834X,
 169           PCI_VENDOR_ID_QLOGIC,
 170           0x24a,
 171           "8300 Series Dual Port 10GbE Converged Network Adapter "
 172           "(TCP/IP Networking)" },
 173         { PCI_VENDOR_ID_QLOGIC,
 174           PCI_DEVICE_ID_QLOGIC_QLE834X,
 175           PCI_VENDOR_ID_QLOGIC,
 176           0x246,
 177           "8300 Series Dual Port 10GbE Converged Network Adapter "
 178           "(TCP/IP Networking)" },
 179         { PCI_VENDOR_ID_QLOGIC,
 180           PCI_DEVICE_ID_QLOGIC_QLE834X,
 181           PCI_VENDOR_ID_QLOGIC,
 182           0x252,
 183           "8300 Series Dual Port 10GbE Converged Network Adapter "
 184           "(TCP/IP Networking)" },
 185         { PCI_VENDOR_ID_QLOGIC,
 186           PCI_DEVICE_ID_QLOGIC_QLE834X,
 187           PCI_VENDOR_ID_QLOGIC,
 188           0x26e,
 189           "8300 Series Dual Port 10GbE Converged Network Adapter "
 190           "(TCP/IP Networking)" },
 191         { PCI_VENDOR_ID_QLOGIC,
 192           PCI_DEVICE_ID_QLOGIC_QLE834X,
 193           PCI_VENDOR_ID_QLOGIC,
 194           0x260,
 195           "8300 Series Dual Port 10GbE Converged Network Adapter "
 196           "(TCP/IP Networking)" },
 197         { PCI_VENDOR_ID_QLOGIC,
 198           PCI_DEVICE_ID_QLOGIC_QLE834X,
 199           PCI_VENDOR_ID_QLOGIC,
 200           0x266,
 201           "8300 Series Single Port 10GbE Converged Network Adapter "
 202           "(TCP/IP Networking)" },
 203         { PCI_VENDOR_ID_QLOGIC,
 204           PCI_DEVICE_ID_QLOGIC_QLE834X,
 205           PCI_VENDOR_ID_QLOGIC,
 206           0x269,
 207           "8300 Series Dual Port 10GbE Converged Network Adapter "
 208           "(TCP/IP Networking)" },
 209         { PCI_VENDOR_ID_QLOGIC,
 210           PCI_DEVICE_ID_QLOGIC_QLE834X,
 211           PCI_VENDOR_ID_QLOGIC,
 212           0x271,
 213           "8300 Series Dual Port 10GbE Converged Network Adapter "
 214           "(TCP/IP Networking)" },
 215         { PCI_VENDOR_ID_QLOGIC,
 216           PCI_DEVICE_ID_QLOGIC_QLE834X,
 217           0x0, 0x0, "8300 Series 1/10GbE Controller" },
 218         { PCI_VENDOR_ID_QLOGIC,
 219           PCI_DEVICE_ID_QLOGIC_QLE824X,
 220           PCI_VENDOR_ID_QLOGIC,
 221           0x203,
 222           "8200 Series Single Port 10GbE Converged Network Adapter"
 223           "(TCP/IP Networking)" },
 224         { PCI_VENDOR_ID_QLOGIC,
 225           PCI_DEVICE_ID_QLOGIC_QLE824X,
 226           PCI_VENDOR_ID_QLOGIC,
 227           0x207,
 228           "8200 Series Dual Port 10GbE Converged Network Adapter"
 229           "(TCP/IP Networking)" },
 230         { PCI_VENDOR_ID_QLOGIC,
 231           PCI_DEVICE_ID_QLOGIC_QLE824X,
 232           PCI_VENDOR_ID_QLOGIC,
 233           0x20b,
 234           "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
 235         { PCI_VENDOR_ID_QLOGIC,
 236           PCI_DEVICE_ID_QLOGIC_QLE824X,
 237           PCI_VENDOR_ID_QLOGIC,
 238           0x20c,
 239           "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
 240         { PCI_VENDOR_ID_QLOGIC,
 241           PCI_DEVICE_ID_QLOGIC_QLE824X,
 242           PCI_VENDOR_ID_QLOGIC,
 243           0x20f,
 244           "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
 245         { PCI_VENDOR_ID_QLOGIC,
 246           PCI_DEVICE_ID_QLOGIC_QLE824X,
 247           0x103c, 0x3733,
 248           "NC523SFP 10Gb 2-port Server Adapter" },
 249         { PCI_VENDOR_ID_QLOGIC,
 250           PCI_DEVICE_ID_QLOGIC_QLE824X,
 251           0x103c, 0x3346,
 252           "CN1000Q Dual Port Converged Network Adapter" },
 253         { PCI_VENDOR_ID_QLOGIC,
 254           PCI_DEVICE_ID_QLOGIC_QLE824X,
 255           PCI_VENDOR_ID_QLOGIC,
 256           0x210,
 257           "QME8242-k 10GbE Dual Port Mezzanine Card" },
 258         { PCI_VENDOR_ID_QLOGIC,
 259           PCI_DEVICE_ID_QLOGIC_QLE824X,
 260           0x0, 0x0, "cLOM8214 1/10GbE Controller" },
 261 };
 262
 263 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
 264
 265 static const
 266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 267
 268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 269 {
 270         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 271
 272         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 273
 274         return recv_ctx->sds_rings == NULL;
 275 }
 276
 277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 278 {
 279         if (recv_ctx->sds_rings != NULL)
 280                 kfree(recv_ctx->sds_rings);
 281
 282         recv_ctx->sds_rings = NULL;
 283 }
 284
 285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 286 {
 287         struct net_device *netdev = adapter->netdev;
 288         struct pci_dev *pdev = adapter->pdev;
 289         u8 mac_addr[ETH_ALEN];
 290         int ret;
 291
 292         ret = qlcnic_get_mac_address(adapter, mac_addr,
 293                                      adapter->ahw->pci_func);
 294         if (ret)
 295                 return ret;
 296
 297         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 298         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 299
 300         /* set station address */
 301
 302         if (!is_valid_ether_addr(netdev->dev_addr))
 303                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 304                                         netdev->dev_addr);
 305
 306         return 0;
 307 }
 308
 309 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
 310 {
 311         struct qlcnic_mac_list_s *cur;
 312         struct list_head *head;
 313
 314         list_for_each(head, &adapter->mac_list) {
 315                 cur = list_entry(head, struct qlcnic_mac_list_s, list);
 316                 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
 317                         qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
 318                                                   0, QLCNIC_MAC_DEL);
 319                         list_del(&cur->list);
 320                         kfree(cur);
 321                         return;
 322                 }
 323         }
 324 }
 325
 326 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 327 {
 328         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 329         struct sockaddr *addr = p;
 330
 331         if (qlcnic_sriov_vf_check(adapter))
 332                 return -EINVAL;
 333
 334         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 335                 return -EOPNOTSUPP;
 336
 337         if (!is_valid_ether_addr(addr->sa_data))
 338                 return -EINVAL;
 339
 340         if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
 341                 return 0;
 342
 343         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 344                 netif_device_detach(netdev);
 345                 qlcnic_napi_disable(adapter);
 346         }
 347
 348         qlcnic_delete_adapter_mac(adapter);
 349         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 350         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 351         qlcnic_set_multi(adapter->netdev);
 352
 353         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 354                 netif_device_attach(netdev);
 355                 qlcnic_napi_enable(adapter);
 356         }
 357         return 0;
 358 }
 359
 360 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 361                         struct net_device *netdev, const unsigned char *addr)
 362 {
 363         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 364         int err = -EOPNOTSUPP;
 365
 366         if (!adapter->fdb_mac_learn)
 367                 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
 368
 369         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 370                 if (is_unicast_ether_addr(addr)) {
 371                         err = dev_uc_del(netdev, addr);
 372                         if (!err)
 373                                 err = qlcnic_nic_del_mac(adapter, addr);
 374                 } else if (is_multicast_ether_addr(addr)) {
 375                         err = dev_mc_del(netdev, addr);
 376                 } else {
 377                         err =  -EINVAL;
 378                 }
 379         }
 380         return err;
 381 }
 382
 383 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 384                         struct net_device *netdev,
 385                         const unsigned char *addr, u16 flags)
 386 {
 387         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 388         int err = 0;
 389
 390         if (!adapter->fdb_mac_learn)
 391                 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
 392
 393         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 394                 pr_info("%s: FDB e-switch is not enabled\n", __func__);
 395                 return -EOPNOTSUPP;
 396         }
 397
 398         if (ether_addr_equal(addr, adapter->mac_addr))
 399                 return err;
 400
 401         if (is_unicast_ether_addr(addr)) {
 402                 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
 403                         err = dev_uc_add_excl(netdev, addr);
 404                 else
 405                         err = -ENOMEM;
 406         } else if (is_multicast_ether_addr(addr)) {
 407                 err = dev_mc_add_excl(netdev, addr);
 408         } else {
 409                 err = -EINVAL;
 410         }
 411
 412         return err;
 413 }
 414
 415 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
 416                         struct net_device *netdev, int idx)
 417 {
 418         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 419
 420         if (!adapter->fdb_mac_learn)
 421                 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 422
 423         if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
 424                 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 425
 426         return idx;
 427 }
 428
 429 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
 430 {
 431         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 432                 usleep_range(10000, 11000);
 433
 434         if (!adapter->fw_work.work.func)
 435                 return;
 436
 437         cancel_delayed_work_sync(&adapter->fw_work);
 438 }
 439
 440 static int qlcnic_get_phys_port_id(struct net_device *netdev,
 441                                    struct netdev_phys_port_id *ppid)
 442 {
 443         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 444         struct qlcnic_hardware_context *ahw = adapter->ahw;
 445
 446         if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
 447                 return -EOPNOTSUPP;
 448
 449         ppid->id_len = sizeof(ahw->phys_port_id);
 450         memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
 451
 452         return 0;
 453 }
 454
 455 static const struct net_device_ops qlcnic_netdev_ops = {
 456         .ndo_open          = qlcnic_open,
 457         .ndo_stop          = qlcnic_close,
 458         .ndo_start_xmit    = qlcnic_xmit_frame,
 459         .ndo_get_stats     = qlcnic_get_stats,
 460         .ndo_validate_addr = eth_validate_addr,
 461         .ndo_set_rx_mode   = qlcnic_set_multi,
 462         .ndo_set_mac_address    = qlcnic_set_mac,
 463         .ndo_change_mtu    = qlcnic_change_mtu,
 464         .ndo_fix_features  = qlcnic_fix_features,
 465         .ndo_set_features  = qlcnic_set_features,
 466         .ndo_tx_timeout    = qlcnic_tx_timeout,
 467         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 468         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 469         .ndo_fdb_add            = qlcnic_fdb_add,
 470         .ndo_fdb_del            = qlcnic_fdb_del,
 471         .ndo_fdb_dump           = qlcnic_fdb_dump,
 472         .ndo_get_phys_port_id   = qlcnic_get_phys_port_id,
 473 #ifdef CONFIG_NET_POLL_CONTROLLER
 474         .ndo_poll_controller = qlcnic_poll_controller,
 475 #endif
 476 #ifdef CONFIG_QLCNIC_SRIOV
 477         .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
 478         .ndo_set_vf_tx_rate     = qlcnic_sriov_set_vf_tx_rate,
 479         .ndo_get_vf_config      = qlcnic_sriov_get_vf_config,
 480         .ndo_set_vf_vlan        = qlcnic_sriov_set_vf_vlan,
 481         .ndo_set_vf_spoofchk    = qlcnic_sriov_set_vf_spoofchk,
 482 #endif
 483 };
 484
 485 static const struct net_device_ops qlcnic_netdev_failed_ops = {
 486         .ndo_open          = qlcnic_open,
 487 };
 488
 489 static struct qlcnic_nic_template qlcnic_ops = {
 490         .config_bridged_mode    = qlcnic_config_bridged_mode,
 491         .config_led             = qlcnic_82xx_config_led,
 492         .start_firmware         = qlcnic_82xx_start_firmware,
 493         .request_reset          = qlcnic_82xx_dev_request_reset,
 494         .cancel_idc_work        = qlcnic_82xx_cancel_idc_work,
 495         .napi_add               = qlcnic_82xx_napi_add,
 496         .napi_del               = qlcnic_82xx_napi_del,
 497         .config_ipaddr          = qlcnic_82xx_config_ipaddr,
 498         .shutdown               = qlcnic_82xx_shutdown,
 499         .resume                 = qlcnic_82xx_resume,
 500         .clear_legacy_intr      = qlcnic_82xx_clear_legacy_intr,
 501 };
 502
 503 struct qlcnic_nic_template qlcnic_vf_ops = {
 504         .config_bridged_mode    = qlcnicvf_config_bridged_mode,
 505         .config_led             = qlcnicvf_config_led,
 506         .start_firmware         = qlcnicvf_start_firmware
 507 };
 508
 509 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
 510         .read_crb                       = qlcnic_82xx_read_crb,
 511         .write_crb                      = qlcnic_82xx_write_crb,
 512         .read_reg                       = qlcnic_82xx_hw_read_wx_2M,
 513         .write_reg                      = qlcnic_82xx_hw_write_wx_2M,
 514         .get_mac_address                = qlcnic_82xx_get_mac_address,
 515         .setup_intr                     = qlcnic_82xx_setup_intr,
 516         .alloc_mbx_args                 = qlcnic_82xx_alloc_mbx_args,
 517         .mbx_cmd                        = qlcnic_82xx_issue_cmd,
 518         .get_func_no                    = qlcnic_82xx_get_func_no,
 519         .api_lock                       = qlcnic_82xx_api_lock,
 520         .api_unlock                     = qlcnic_82xx_api_unlock,
 521         .add_sysfs                      = qlcnic_82xx_add_sysfs,
 522         .remove_sysfs                   = qlcnic_82xx_remove_sysfs,
 523         .process_lb_rcv_ring_diag       = qlcnic_82xx_process_rcv_ring_diag,
 524         .create_rx_ctx                  = qlcnic_82xx_fw_cmd_create_rx_ctx,
 525         .create_tx_ctx                  = qlcnic_82xx_fw_cmd_create_tx_ctx,
 526         .del_rx_ctx                     = qlcnic_82xx_fw_cmd_del_rx_ctx,
 527         .del_tx_ctx                     = qlcnic_82xx_fw_cmd_del_tx_ctx,
 528         .setup_link_event               = qlcnic_82xx_linkevent_request,
 529         .get_nic_info                   = qlcnic_82xx_get_nic_info,
 530         .get_pci_info                   = qlcnic_82xx_get_pci_info,
 531         .set_nic_info                   = qlcnic_82xx_set_nic_info,
 532         .change_macvlan                 = qlcnic_82xx_sre_macaddr_change,
 533         .napi_enable                    = qlcnic_82xx_napi_enable,
 534         .napi_disable                   = qlcnic_82xx_napi_disable,
 535         .config_intr_coal               = qlcnic_82xx_config_intr_coalesce,
 536         .config_rss                     = qlcnic_82xx_config_rss,
 537         .config_hw_lro                  = qlcnic_82xx_config_hw_lro,
 538         .config_loopback                = qlcnic_82xx_set_lb_mode,
 539         .clear_loopback                 = qlcnic_82xx_clear_lb_mode,
 540         .config_promisc_mode            = qlcnic_82xx_nic_set_promisc,
 541         .change_l2_filter               = qlcnic_82xx_change_filter,
 542         .get_board_info                 = qlcnic_82xx_get_board_info,
 543         .set_mac_filter_count           = qlcnic_82xx_set_mac_filter_count,
 544         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 545         .read_phys_port_id              = qlcnic_82xx_read_phys_port_id,
 546         .io_error_detected              = qlcnic_82xx_io_error_detected,
 547         .io_slot_reset                  = qlcnic_82xx_io_slot_reset,
 548         .io_resume                      = qlcnic_82xx_io_resume,
 549 };
 550
 551 static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter)
 552 {
 553         struct qlcnic_hardware_context *ahw = adapter->ahw;
 554         int num_tx_q;
 555
 556         if (ahw->msix_supported &&
 557             (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
 558                 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS,
 559                                  num_online_cpus());
 560                 if (num_tx_q > 1) {
 561                         test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE,
 562                                          &adapter->state);
 563                         adapter->max_drv_tx_rings = num_tx_q;
 564                 }
 565         } else {
 566                 adapter->max_drv_tx_rings = 1;
 567         }
 568 }
 569
 570 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 571 {
 572         struct pci_dev *pdev = adapter->pdev;
 573         int max_tx_rings, max_sds_rings, tx_vector;
 574         int err = -1, i;
 575
 576         if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
 577                 max_tx_rings = 0;
 578                 tx_vector = 0;
 579         } else {
 580                 max_tx_rings = adapter->max_drv_tx_rings;
 581                 tx_vector = 1;
 582         }
 583
 584         if (!adapter->msix_entries) {
 585                 adapter->msix_entries = kcalloc(num_msix,
 586                                                 sizeof(struct msix_entry),
 587                                                 GFP_KERNEL);
 588                 if (!adapter->msix_entries)
 589                         return -ENOMEM;
 590         }
 591
 592         adapter->max_sds_rings = 1;
 593         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 594
 595         if (adapter->ahw->msix_supported) {
 596  enable_msix:
 597                 for (i = 0; i < num_msix; i++)
 598                         adapter->msix_entries[i].entry = i;
 599                 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
 600                 if (err == 0) {
 601                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 602                         if (qlcnic_83xx_check(adapter)) {
 603                                 adapter->ahw->num_msix = num_msix;
 604                                 /* subtract mail box and tx ring vectors */
 605                                 adapter->max_sds_rings = num_msix -
 606                                                          max_tx_rings - 1;
 607                         } else {
 608                                 adapter->ahw->num_msix = num_msix;
 609                                 if (qlcnic_check_multi_tx(adapter) &&
 610                                     !adapter->ahw->diag_test &&
 611                                     (adapter->max_drv_tx_rings > 1))
 612                                         max_sds_rings = num_msix - max_tx_rings;
 613                                 else
 614                                         max_sds_rings = num_msix;
 615
 616                                 adapter->max_sds_rings = max_sds_rings;
 617                         }
 618                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 619                         return err;
 620                 } else if (err > 0) {
 621                         dev_info(&pdev->dev,
 622                                  "Unable to allocate %d MSI-X interrupt vectors\n",
 623                                  num_msix);
 624                         if (qlcnic_83xx_check(adapter)) {
 625                                 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
 626                                         return err;
 627                                 err -= (max_tx_rings + 1);
 628                                 num_msix = rounddown_pow_of_two(err);
 629                                 num_msix += (max_tx_rings + 1);
 630                         } else {
 631                                 num_msix = rounddown_pow_of_two(err);
 632                                 if (qlcnic_check_multi_tx(adapter))
 633                                         num_msix += max_tx_rings;
 634                         }
 635
 636                         if (num_msix) {
 637                                 dev_info(&pdev->dev,
 638                                          "Trying to allocate %d MSI-X interrupt vectors\n",
 639                                          num_msix);
 640                                 goto enable_msix;
 641                         }
 642                 } else {
 643                         dev_info(&pdev->dev,
 644                                  "Unable to allocate %d MSI-X interrupt vectors\n",
 645                                  num_msix);
 646                 }
 647         }
 648
 649         return err;
 650 }
 651
 652 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 653 {
 654         int err = 0;
 655         u32 offset, mask_reg;
 656         const struct qlcnic_legacy_intr_set *legacy_intrp;
 657         struct qlcnic_hardware_context *ahw = adapter->ahw;
 658         struct pci_dev *pdev = adapter->pdev;
 659
 660         if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
 661                 adapter->flags |= QLCNIC_MSI_ENABLED;
 662                 offset = msi_tgt_status[adapter->ahw->pci_func];
 663                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
 664                                                             offset);
 665                 dev_info(&pdev->dev, "using msi interrupts\n");
 666                 adapter->msix_entries[0].vector = pdev->irq;
 667                 return err;
 668         }
 669
 670         if (qlcnic_use_msi || qlcnic_use_msi_x)
 671                 return -EOPNOTSUPP;
 672
 673         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 674         adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
 675         offset = legacy_intrp->tgt_status_reg;
 676         adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
 677         mask_reg = legacy_intrp->tgt_mask_reg;
 678         adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
 679         adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
 680         adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
 681         dev_info(&pdev->dev, "using legacy interrupts\n");
 682         adapter->msix_entries[0].vector = pdev->irq;
 683         return err;
 684 }
 685
 686 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq)
 687 {
 688         struct qlcnic_hardware_context *ahw = adapter->ahw;
 689         int num_msix, err = 0;
 690
 691         if (!num_intr)
 692                 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
 693
 694         if (ahw->msix_supported) {
 695                 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 696                                                 num_intr));
 697                 if (qlcnic_check_multi_tx(adapter)) {
 698                         if (txq)
 699                                 adapter->max_drv_tx_rings = txq;
 700                         num_msix += adapter->max_drv_tx_rings;
 701                 }
 702         } else {
 703                 num_msix = 1;
 704         }
 705
 706         err = qlcnic_enable_msix(adapter, num_msix);
 707         if (err == -ENOMEM)
 708                 return err;
 709
 710         if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
 711                 qlcnic_disable_multi_tx(adapter);
 712
 713                 err = qlcnic_enable_msi_legacy(adapter);
 714                 if (!err)
 715                         return err;
 716         }
 717
 718         return 0;
 719 }
 720
 721 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
 722 {
 723         struct qlcnic_hardware_context *ahw = adapter->ahw;
 724         int err, i;
 725
 726         if (qlcnic_check_multi_tx(adapter) &&
 727             !ahw->diag_test &&
 728             (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 729                 ahw->intr_tbl = vzalloc(ahw->num_msix *
 730                                         sizeof(struct qlcnic_intrpt_config));
 731                 if (!ahw->intr_tbl)
 732                         return -ENOMEM;
 733
 734                 for (i = 0; i < ahw->num_msix; i++) {
 735                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
 736                         ahw->intr_tbl[i].id = i;
 737                         ahw->intr_tbl[i].src = 0;
 738                 }
 739
 740                 err = qlcnic_82xx_config_intrpt(adapter, 1);
 741                 if (err)
 742                         dev_err(&adapter->pdev->dev,
 743                                 "Failed to configure Interrupt for %d vector\n",
 744                                 ahw->num_msix);
 745                 return err;
 746         }
 747
 748         return 0;
 749 }
 750
 751 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 752 {
 753         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 754                 pci_disable_msix(adapter->pdev);
 755         if (adapter->flags & QLCNIC_MSI_ENABLED)
 756                 pci_disable_msi(adapter->pdev);
 757
 758         kfree(adapter->msix_entries);
 759         adapter->msix_entries = NULL;
 760
 761         if (adapter->ahw->intr_tbl) {
 762                 vfree(adapter->ahw->intr_tbl);
 763                 adapter->ahw->intr_tbl = NULL;
 764         }
 765 }
 766
 767 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 768 {
 769         if (ahw->pci_base0 != NULL)
 770                 iounmap(ahw->pci_base0);
 771 }
 772
 773 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 774 {
 775         struct qlcnic_pci_info *pci_info;
 776         int ret;
 777
 778         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 779                 switch (adapter->ahw->port_type) {
 780                 case QLCNIC_GBE:
 781                         adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
 782                         break;
 783                 case QLCNIC_XGBE:
 784                         adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
 785                         break;
 786                 }
 787                 return 0;
 788         }
 789
 790         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
 791                 return 0;
 792
 793         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 794         if (!pci_info)
 795                 return -ENOMEM;
 796
 797         ret = qlcnic_get_pci_info(adapter, pci_info);
 798         kfree(pci_info);
 799         return ret;
 800 }
 801
 802 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
 803 {
 804         bool ret = false;
 805
 806         if (qlcnic_84xx_check(adapter)) {
 807                 ret = true;
 808         } else if (qlcnic_83xx_check(adapter)) {
 809                 if (adapter->ahw->extra_capability[0] &
 810                     QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
 811                         ret = true;
 812                 else
 813                         ret = false;
 814         }
 815
 816         return ret;
 817 }
 818
 819 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 820 {
 821         struct qlcnic_pci_info *pci_info;
 822         int i, ret = 0, j = 0;
 823         u16 act_pci_func;
 824         u8 pfn;
 825
 826         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 827         if (!pci_info)
 828                 return -ENOMEM;
 829
 830         ret = qlcnic_get_pci_info(adapter, pci_info);
 831         if (ret)
 832                 goto err_pci_info;
 833
 834         act_pci_func = adapter->ahw->act_pci_func;
 835
 836         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
 837                                  act_pci_func, GFP_KERNEL);
 838         if (!adapter->npars) {
 839                 ret = -ENOMEM;
 840                 goto err_pci_info;
 841         }
 842
 843         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
 844                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
 845         if (!adapter->eswitch) {
 846                 ret = -ENOMEM;
 847                 goto err_npars;
 848         }
 849
 850         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 851                 pfn = pci_info[i].id;
 852
 853                 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
 854                         ret = QL_STATUS_INVALID_PARAM;
 855                         goto err_eswitch;
 856                 }
 857
 858                 if (!pci_info[i].active ||
 859                     (pci_info[i].type != QLCNIC_TYPE_NIC))
 860                         continue;
 861
 862                 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
 863                         if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn))
 864                                 adapter->npars[j].eswitch_status = true;
 865                         else
 866                                 continue;
 867                 } else {
 868                         adapter->npars[j].eswitch_status = true;
 869                 }
 870
 871                 adapter->npars[j].pci_func = pfn;
 872                 adapter->npars[j].active = (u8)pci_info[i].active;
 873                 adapter->npars[j].type = (u8)pci_info[i].type;
 874                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
 875                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
 876                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
 877
 878                 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
 879                 j++;
 880         }
 881
 882         if (qlcnic_82xx_check(adapter)) {
 883                 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
 884                         adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
 885         } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
 886                 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
 887                         qlcnic_enable_eswitch(adapter, i, 1);
 888         }
 889
 890         kfree(pci_info);
 891         return 0;
 892
 893 err_eswitch:
 894         kfree(adapter->eswitch);
 895         adapter->eswitch = NULL;
 896 err_npars:
 897         kfree(adapter->npars);
 898         adapter->npars = NULL;
 899 err_pci_info:
 900         kfree(pci_info);
 901
 902         return ret;
 903 }
 904
 905 static int
 906 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
 907 {
 908         u8 id;
 909         int ret;
 910         u32 data = QLCNIC_MGMT_FUNC;
 911         struct qlcnic_hardware_context *ahw = adapter->ahw;
 912
 913         ret = qlcnic_api_lock(adapter);
 914         if (ret)
 915                 goto err_lock;
 916
 917         id = ahw->pci_func;
 918         data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
 919         data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
 920                QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
 921         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
 922         qlcnic_api_unlock(adapter);
 923 err_lock:
 924         return ret;
 925 }
 926
 927 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
 928                             const struct pci_device_id *ent)
 929 {
 930         u32 op_mode, priv_level;
 931
 932         /* Determine FW API version */
 933         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
 934                                                            QLCNIC_FW_API);
 935
 936         /* Find PCI function number */
 937         qlcnic_get_func_no(adapter);
 938
 939         /* Determine function privilege level */
 940         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
 941         if (op_mode == QLC_DEV_DRV_DEFAULT)
 942                 priv_level = QLCNIC_MGMT_FUNC;
 943         else
 944                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
 945
 946         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
 947                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
 948                 dev_info(&adapter->pdev->dev,
 949                         "HAL Version: %d Non Privileged function\n",
 950                          adapter->ahw->fw_hal_version);
 951                 adapter->nic_ops = &qlcnic_vf_ops;
 952         } else
 953                 adapter->nic_ops = &qlcnic_ops;
 954 }
 955
 956 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
 957 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
 958 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
 959 {
 960         switch (dev_id) {
 961         case PCI_DEVICE_ID_QLOGIC_QLE824X:
 962                 *bar = QLCNIC_82XX_BAR0_LENGTH;
 963                 break;
 964         case PCI_DEVICE_ID_QLOGIC_QLE834X:
 965         case PCI_DEVICE_ID_QLOGIC_QLE844X:
 966         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
 967         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
 968                 *bar = QLCNIC_83XX_BAR0_LENGTH;
 969                 break;
 970         default:
 971                 *bar = 0;
 972         }
 973 }
 974
 975 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
 976                                 struct qlcnic_hardware_context *ahw)
 977 {
 978         u32 offset;
 979         void __iomem *mem_ptr0 = NULL;
 980         unsigned long mem_len, pci_len0 = 0, bar0_len;
 981
 982         /* remap phys address */
 983         mem_len = pci_resource_len(pdev, 0);
 984
 985         qlcnic_get_bar_length(pdev->device, &bar0_len);
 986         if (mem_len >= bar0_len) {
 987
 988                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
 989                 if (mem_ptr0 == NULL) {
 990                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
 991                         return -EIO;
 992                 }
 993                 pci_len0 = mem_len;
 994         } else {
 995                 return -EIO;
 996         }
 997
 998         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
 999
1000         ahw->pci_base0 = mem_ptr0;
1001         ahw->pci_len0 = pci_len0;
1002         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1003         qlcnic_get_ioaddr(ahw, offset);
1004
1005         return 0;
1006 }
1007
1008 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1009                                          int index)
1010 {
1011         struct pci_dev *pdev = adapter->pdev;
1012         unsigned short subsystem_vendor;
1013         bool ret = true;
1014
1015         subsystem_vendor = pdev->subsystem_vendor;
1016
1017         if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1018             pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1019                 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1020                     qlcnic_boards[index].sub_device == pdev->subsystem_device)
1021                         ret = true;
1022                 else
1023                         ret = false;
1024         }
1025
1026         return ret;
1027 }
1028
1029 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1030 {
1031         struct pci_dev *pdev = adapter->pdev;
1032         int i, found = 0;
1033
1034         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1035                 if (qlcnic_boards[i].vendor == pdev->vendor &&
1036                     qlcnic_boards[i].device == pdev->device &&
1037                     qlcnic_validate_subsystem_id(adapter, i)) {
1038                         found = 1;
1039                         break;
1040                 }
1041         }
1042
1043         if (!found)
1044                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1045         else
1046                 sprintf(name, "%pM: %s" , adapter->mac_addr,
1047                         qlcnic_boards[i].short_name);
1048 }
1049
1050 static void
1051 qlcnic_check_options(struct qlcnic_adapter *adapter)
1052 {
1053         int err;
1054         u32 fw_major, fw_minor, fw_build, prev_fw_version;
1055         struct pci_dev *pdev = adapter->pdev;
1056         struct qlcnic_hardware_context *ahw = adapter->ahw;
1057         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1058
1059         prev_fw_version = adapter->fw_version;
1060
1061         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1062         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1063         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1064
1065         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1066
1067         err = qlcnic_get_board_info(adapter);
1068         if (err) {
1069                 dev_err(&pdev->dev, "Error getting board config info.\n");
1070                 return;
1071         }
1072         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1073                 if (fw_dump->tmpl_hdr == NULL ||
1074                                 adapter->fw_version > prev_fw_version) {
1075                         if (fw_dump->tmpl_hdr)
1076                                 vfree(fw_dump->tmpl_hdr);
1077                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1078                                 dev_info(&pdev->dev,
1079                                         "Supports FW dump capability\n");
1080                 }
1081         }
1082
1083         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1084                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1085
1086         if (adapter->ahw->port_type == QLCNIC_XGBE) {
1087                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1088                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1089                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1090                 } else {
1091                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1092                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1093                 }
1094
1095                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1096                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1097
1098         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1099                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1100                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1101                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1102                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1103         }
1104
1105         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1106
1107         adapter->num_txd = MAX_CMD_DESCRIPTORS;
1108
1109         adapter->max_rds_rings = MAX_RDS_RINGS;
1110 }
1111
1112 static int
1113 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1114 {
1115         struct qlcnic_info nic_info;
1116         int err = 0;
1117
1118         memset(&nic_info, 0, sizeof(struct qlcnic_info));
1119         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1120         if (err)
1121                 return err;
1122
1123         adapter->ahw->physical_port = (u8)nic_info.phys_port;
1124         adapter->ahw->switch_mode = nic_info.switch_mode;
1125         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1126         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1127         adapter->ahw->capabilities = nic_info.capabilities;
1128
1129         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1130                 u32 temp;
1131                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1132                 if (err == -EIO)
1133                         return err;
1134                 adapter->ahw->extra_capability[0] = temp;
1135         }
1136         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1137         adapter->ahw->max_mtu = nic_info.max_mtu;
1138
1139         /* Disable NPAR for 83XX */
1140         if (qlcnic_83xx_check(adapter))
1141                 return err;
1142
1143         if (adapter->ahw->capabilities & BIT_6)
1144                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1145         else
1146                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1147
1148         return err;
1149 }
1150
1151 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1152                             struct qlcnic_esw_func_cfg *esw_cfg)
1153 {
1154         if (esw_cfg->discard_tagged)
1155                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1156         else
1157                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1158
1159         if (esw_cfg->vlan_id) {
1160                 adapter->rx_pvid = esw_cfg->vlan_id;
1161                 adapter->tx_pvid = esw_cfg->vlan_id;
1162         } else {
1163                 adapter->rx_pvid = 0;
1164                 adapter->tx_pvid = 0;
1165         }
1166 }
1167
1168 static int
1169 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1170 {
1171         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1172         int err;
1173
1174         if (qlcnic_sriov_vf_check(adapter)) {
1175                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1176                 if (err) {
1177                         netdev_err(netdev,
1178                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1179                                    vid, err);
1180                         return err;
1181                 }
1182         }
1183
1184         set_bit(vid, adapter->vlans);
1185         return 0;
1186 }
1187
1188 static int
1189 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1190 {
1191         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1192         int err;
1193
1194         if (qlcnic_sriov_vf_check(adapter)) {
1195                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1196                 if (err) {
1197                         netdev_err(netdev,
1198                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1199                                    vid, err);
1200                         return err;
1201                 }
1202         }
1203
1204         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1205         clear_bit(vid, adapter->vlans);
1206         return 0;
1207 }
1208
1209 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1210                                       struct qlcnic_esw_func_cfg *esw_cfg)
1211 {
1212         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1213                                 QLCNIC_PROMISC_DISABLED);
1214
1215         if (esw_cfg->mac_anti_spoof)
1216                 adapter->flags |= QLCNIC_MACSPOOF;
1217
1218         if (!esw_cfg->mac_override)
1219                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1220
1221         if (!esw_cfg->promisc_mode)
1222                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1223 }
1224
1225 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1226 {
1227         struct qlcnic_esw_func_cfg esw_cfg;
1228
1229         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1230                 return 0;
1231
1232         esw_cfg.pci_func = adapter->ahw->pci_func;
1233         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1234                         return -EIO;
1235         qlcnic_set_vlan_config(adapter, &esw_cfg);
1236         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1237         qlcnic_set_netdev_features(adapter, &esw_cfg);
1238
1239         return 0;
1240 }
1241
1242 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1243                                 struct qlcnic_esw_func_cfg *esw_cfg)
1244 {
1245         struct net_device *netdev = adapter->netdev;
1246
1247         if (qlcnic_83xx_check(adapter))
1248                 return;
1249
1250         adapter->offload_flags = esw_cfg->offload_flags;
1251         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1252         netdev_update_features(netdev);
1253         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1254 }
1255
1256 static int
1257 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1258 {
1259         u32 op_mode, priv_level;
1260         int err = 0;
1261
1262         err = qlcnic_initialize_nic(adapter);
1263         if (err)
1264                 return err;
1265
1266         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1267                 return 0;
1268
1269         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1270         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1271
1272         if (op_mode == QLC_DEV_DRV_DEFAULT)
1273                 priv_level = QLCNIC_MGMT_FUNC;
1274         else
1275                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1276
1277         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1278                 if (priv_level == QLCNIC_MGMT_FUNC) {
1279                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1280                         err = qlcnic_init_pci_info(adapter);
1281                         if (err)
1282                                 return err;
1283                         /* Set privilege level for other functions */
1284                         qlcnic_set_function_modes(adapter);
1285                         dev_info(&adapter->pdev->dev,
1286                                 "HAL Version: %d, Management function\n",
1287                                  adapter->ahw->fw_hal_version);
1288                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1289                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1290                         dev_info(&adapter->pdev->dev,
1291                                 "HAL Version: %d, Privileged function\n",
1292                                  adapter->ahw->fw_hal_version);
1293                 }
1294         }
1295
1296         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1297
1298         return err;
1299 }
1300
1301 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1302 {
1303         struct qlcnic_esw_func_cfg esw_cfg;
1304         struct qlcnic_npar_info *npar;
1305         u8 i;
1306
1307         if (adapter->need_fw_reset)
1308                 return 0;
1309
1310         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1311                 if (!adapter->npars[i].eswitch_status)
1312                         continue;
1313
1314                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1315                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1316                 esw_cfg.mac_override = BIT_0;
1317                 esw_cfg.promisc_mode = BIT_0;
1318                 if (qlcnic_82xx_check(adapter)) {
1319                         esw_cfg.offload_flags = BIT_0;
1320                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1321                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1322                 }
1323                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1324                         return -EIO;
1325                 npar = &adapter->npars[i];
1326                 npar->pvid = esw_cfg.vlan_id;
1327                 npar->mac_override = esw_cfg.mac_override;
1328                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1329                 npar->discard_tagged = esw_cfg.discard_tagged;
1330                 npar->promisc_mode = esw_cfg.promisc_mode;
1331                 npar->offload_flags = esw_cfg.offload_flags;
1332         }
1333
1334         return 0;
1335 }
1336
1337
1338 static int
1339 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1340                         struct qlcnic_npar_info *npar, int pci_func)
1341 {
1342         struct qlcnic_esw_func_cfg esw_cfg;
1343         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1344         esw_cfg.pci_func = pci_func;
1345         esw_cfg.vlan_id = npar->pvid;
1346         esw_cfg.mac_override = npar->mac_override;
1347         esw_cfg.discard_tagged = npar->discard_tagged;
1348         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1349         esw_cfg.offload_flags = npar->offload_flags;
1350         esw_cfg.promisc_mode = npar->promisc_mode;
1351         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1352                 return -EIO;
1353
1354         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1355         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1356                 return -EIO;
1357
1358         return 0;
1359 }
1360
1361 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1362 {
1363         int i, err;
1364         struct qlcnic_npar_info *npar;
1365         struct qlcnic_info nic_info;
1366         u8 pci_func;
1367
1368         if (qlcnic_82xx_check(adapter))
1369                 if (!adapter->need_fw_reset)
1370                         return 0;
1371
1372         /* Set the NPAR config data after FW reset */
1373         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1374                 npar = &adapter->npars[i];
1375                 pci_func = npar->pci_func;
1376                 if (!adapter->npars[i].eswitch_status)
1377                         continue;
1378
1379                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1380                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1381                 if (err)
1382                         return err;
1383                 nic_info.min_tx_bw = npar->min_bw;
1384                 nic_info.max_tx_bw = npar->max_bw;
1385                 err = qlcnic_set_nic_info(adapter, &nic_info);
1386                 if (err)
1387                         return err;
1388
1389                 if (npar->enable_pm) {
1390                         err = qlcnic_config_port_mirroring(adapter,
1391                                                            npar->dest_npar, 1,
1392                                                            pci_func);
1393                         if (err)
1394                                 return err;
1395                 }
1396                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1397                 if (err)
1398                         return err;
1399         }
1400         return 0;
1401 }
1402
1403 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1404 {
1405         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1406         u32 npar_state;
1407
1408         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1409                 return 0;
1410
1411         npar_state = QLC_SHARED_REG_RD32(adapter,
1412                                          QLCNIC_CRB_DEV_NPAR_STATE);
1413         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1414                 msleep(1000);
1415                 npar_state = QLC_SHARED_REG_RD32(adapter,
1416                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1417         }
1418         if (!npar_opt_timeo) {
1419                 dev_err(&adapter->pdev->dev,
1420                         "Waiting for NPAR state to operational timeout\n");
1421                 return -EIO;
1422         }
1423         return 0;
1424 }
1425
1426 static int
1427 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1428 {
1429         int err;
1430
1431         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1432             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1433                 return 0;
1434
1435         err = qlcnic_set_default_offload_settings(adapter);
1436         if (err)
1437                 return err;
1438
1439         err = qlcnic_reset_npar_config(adapter);
1440         if (err)
1441                 return err;
1442
1443         qlcnic_dev_set_npar_ready(adapter);
1444
1445         return err;
1446 }
1447
1448 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1449 {
1450         int err;
1451
1452         err = qlcnic_can_start_firmware(adapter);
1453         if (err < 0)
1454                 return err;
1455         else if (!err)
1456                 goto check_fw_status;
1457
1458         if (qlcnic_load_fw_file)
1459                 qlcnic_request_firmware(adapter);
1460         else {
1461                 err = qlcnic_check_flash_fw_ver(adapter);
1462                 if (err)
1463                         goto err_out;
1464
1465                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1466         }
1467
1468         err = qlcnic_need_fw_reset(adapter);
1469         if (err == 0)
1470                 goto check_fw_status;
1471
1472         err = qlcnic_pinit_from_rom(adapter);
1473         if (err)
1474                 goto err_out;
1475
1476         err = qlcnic_load_firmware(adapter);
1477         if (err)
1478                 goto err_out;
1479
1480         qlcnic_release_firmware(adapter);
1481         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1482
1483 check_fw_status:
1484         err = qlcnic_check_fw_status(adapter);
1485         if (err)
1486                 goto err_out;
1487
1488         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1489         qlcnic_idc_debug_info(adapter, 1);
1490         err = qlcnic_check_eswitch_mode(adapter);
1491         if (err) {
1492                 dev_err(&adapter->pdev->dev,
1493                         "Memory allocation failed for eswitch\n");
1494                 goto err_out;
1495         }
1496         err = qlcnic_set_mgmt_operations(adapter);
1497         if (err)
1498                 goto err_out;
1499
1500         qlcnic_check_options(adapter);
1501         adapter->need_fw_reset = 0;
1502
1503         qlcnic_release_firmware(adapter);
1504         return 0;
1505
1506 err_out:
1507         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1508         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1509
1510         qlcnic_release_firmware(adapter);
1511         return err;
1512 }
1513
1514 static int
1515 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1516 {
1517         irq_handler_t handler;
1518         struct qlcnic_host_sds_ring *sds_ring;
1519         struct qlcnic_host_tx_ring *tx_ring;
1520         int err, ring, num_sds_rings;
1521
1522         unsigned long flags = 0;
1523         struct net_device *netdev = adapter->netdev;
1524         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1525
1526         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1527                 if (qlcnic_82xx_check(adapter))
1528                         handler = qlcnic_tmp_intr;
1529                 else
1530                         handler = qlcnic_83xx_tmp_intr;
1531                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1532                         flags |= IRQF_SHARED;
1533
1534         } else {
1535                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1536                         handler = qlcnic_msix_intr;
1537                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1538                         handler = qlcnic_msi_intr;
1539                 else {
1540                         flags |= IRQF_SHARED;
1541                         if (qlcnic_82xx_check(adapter))
1542                                 handler = qlcnic_intr;
1543                         else
1544                                 handler = qlcnic_83xx_intr;
1545                 }
1546         }
1547         adapter->irq = netdev->irq;
1548
1549         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1550                 if (qlcnic_82xx_check(adapter) ||
1551                     (qlcnic_83xx_check(adapter) &&
1552                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1553                         num_sds_rings = adapter->max_sds_rings;
1554                         for (ring = 0; ring < num_sds_rings; ring++) {
1555                                 sds_ring = &recv_ctx->sds_rings[ring];
1556                                 if (qlcnic_82xx_check(adapter) &&
1557                                     !qlcnic_check_multi_tx(adapter) &&
1558                                     (ring == (num_sds_rings - 1))) {
1559                                         if (!(adapter->flags &
1560                                               QLCNIC_MSIX_ENABLED))
1561                                                 snprintf(sds_ring->name,
1562                                                          sizeof(sds_ring->name),
1563                                                          "qlcnic");
1564                                         else
1565                                                 snprintf(sds_ring->name,
1566                                                          sizeof(sds_ring->name),
1567                                                          "%s-tx-0-rx-%d",
1568                                                          netdev->name, ring);
1569                                 } else {
1570                                         snprintf(sds_ring->name,
1571                                                  sizeof(sds_ring->name),
1572                                                  "%s-rx-%d",
1573                                                  netdev->name, ring);
1574                                 }
1575                                 err = request_irq(sds_ring->irq, handler, flags,
1576                                                   sds_ring->name, sds_ring);
1577                                 if (err)
1578                                         return err;
1579                         }
1580                 }
1581                 if ((qlcnic_82xx_check(adapter) &&
1582                      qlcnic_check_multi_tx(adapter)) ||
1583                     (qlcnic_83xx_check(adapter) &&
1584                      (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1585                      !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1586                         handler = qlcnic_msix_tx_intr;
1587                         for (ring = 0; ring < adapter->max_drv_tx_rings;
1588                              ring++) {
1589                                 tx_ring = &adapter->tx_ring[ring];
1590                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1591                                          "%s-tx-%d", netdev->name, ring);
1592                                 err = request_irq(tx_ring->irq, handler, flags,
1593                                                   tx_ring->name, tx_ring);
1594                                 if (err)
1595                                         return err;
1596                         }
1597                 }
1598         }
1599         return 0;
1600 }
1601
1602 static void
1603 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1604 {
1605         int ring;
1606         struct qlcnic_host_sds_ring *sds_ring;
1607         struct qlcnic_host_tx_ring *tx_ring;
1608
1609         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1610
1611         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1612                 if (qlcnic_82xx_check(adapter) ||
1613                     (qlcnic_83xx_check(adapter) &&
1614                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1615                         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1616                                 sds_ring = &recv_ctx->sds_rings[ring];
1617                                 free_irq(sds_ring->irq, sds_ring);
1618                         }
1619                 }
1620                 if ((qlcnic_83xx_check(adapter) &&
1621                      !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1622                     (qlcnic_82xx_check(adapter) &&
1623                      qlcnic_check_multi_tx(adapter))) {
1624                         for (ring = 0; ring < adapter->max_drv_tx_rings;
1625                              ring++) {
1626                                 tx_ring = &adapter->tx_ring[ring];
1627                                 if (tx_ring->irq)
1628                                         free_irq(tx_ring->irq, tx_ring);
1629                         }
1630                 }
1631         }
1632 }
1633
1634 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1635 {
1636         u32 capab = 0;
1637
1638         if (qlcnic_82xx_check(adapter)) {
1639                 if (adapter->ahw->extra_capability[0] &
1640                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1641                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1642         } else {
1643                 capab = adapter->ahw->capabilities;
1644                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1645                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1646         }
1647 }
1648
1649 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1650 {
1651         int ring;
1652         struct qlcnic_host_rds_ring *rds_ring;
1653
1654         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1655                 return -EIO;
1656
1657         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1658                 return 0;
1659
1660         if (qlcnic_set_eswitch_port_config(adapter))
1661                 return -EIO;
1662
1663         qlcnic_get_lro_mss_capability(adapter);
1664
1665         if (qlcnic_fw_create_ctx(adapter))
1666                 return -EIO;
1667
1668         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1669                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1670                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1671         }
1672
1673         qlcnic_set_multi(netdev);
1674         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1675
1676         adapter->ahw->linkup = 0;
1677
1678         if (adapter->max_sds_rings > 1)
1679                 qlcnic_config_rss(adapter, 1);
1680
1681         qlcnic_config_intr_coalesce(adapter);
1682
1683         if (netdev->features & NETIF_F_LRO)
1684                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1685
1686         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1687         qlcnic_napi_enable(adapter);
1688
1689         qlcnic_linkevent_request(adapter, 1);
1690
1691         adapter->ahw->reset_context = 0;
1692         return 0;
1693 }
1694
1695 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1696 {
1697         int err = 0;
1698
1699         rtnl_lock();
1700         if (netif_running(netdev))
1701                 err = __qlcnic_up(adapter, netdev);
1702         rtnl_unlock();
1703
1704         return err;
1705 }
1706
1707 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1708 {
1709         int ring;
1710
1711         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1712                 return;
1713
1714         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1715                 return;
1716
1717         if (qlcnic_sriov_vf_check(adapter))
1718                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1719         smp_mb();
1720         netif_carrier_off(netdev);
1721         adapter->ahw->linkup = 0;
1722         netif_tx_disable(netdev);
1723
1724         qlcnic_free_mac_list(adapter);
1725
1726         if (adapter->fhash.fnum)
1727                 qlcnic_delete_lb_filters(adapter);
1728
1729         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1730
1731         qlcnic_napi_disable(adapter);
1732
1733         qlcnic_fw_destroy_ctx(adapter);
1734         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1735
1736         qlcnic_reset_rx_buffers_list(adapter);
1737
1738         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1739                 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1740 }
1741
1742 /* Usage: During suspend and firmware recovery module */
1743
1744 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1745 {
1746         rtnl_lock();
1747         if (netif_running(netdev))
1748                 __qlcnic_down(adapter, netdev);
1749         rtnl_unlock();
1750
1751 }
1752
1753 int
1754 qlcnic_attach(struct qlcnic_adapter *adapter)
1755 {
1756         struct net_device *netdev = adapter->netdev;
1757         struct pci_dev *pdev = adapter->pdev;
1758         int err;
1759
1760         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1761                 return 0;
1762
1763         err = qlcnic_napi_add(adapter, netdev);
1764         if (err)
1765                 return err;
1766
1767         err = qlcnic_alloc_sw_resources(adapter);
1768         if (err) {
1769                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1770                 goto err_out_napi_del;
1771         }
1772
1773         err = qlcnic_alloc_hw_resources(adapter);
1774         if (err) {
1775                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1776                 goto err_out_free_sw;
1777         }
1778
1779         err = qlcnic_request_irq(adapter);
1780         if (err) {
1781                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1782                 goto err_out_free_hw;
1783         }
1784
1785         qlcnic_create_sysfs_entries(adapter);
1786
1787         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1788         return 0;
1789
1790 err_out_free_hw:
1791         qlcnic_free_hw_resources(adapter);
1792 err_out_free_sw:
1793         qlcnic_free_sw_resources(adapter);
1794 err_out_napi_del:
1795         qlcnic_napi_del(adapter);
1796         return err;
1797 }
1798
1799 void qlcnic_detach(struct qlcnic_adapter *adapter)
1800 {
1801         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1802                 return;
1803
1804         qlcnic_remove_sysfs_entries(adapter);
1805
1806         qlcnic_free_hw_resources(adapter);
1807         qlcnic_release_rx_buffers(adapter);
1808         qlcnic_free_irq(adapter);
1809         qlcnic_napi_del(adapter);
1810         qlcnic_free_sw_resources(adapter);
1811
1812         adapter->is_up = 0;
1813 }
1814
1815 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1816 {
1817         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1818         struct qlcnic_host_sds_ring *sds_ring;
1819         int max_tx_rings = adapter->max_drv_tx_rings;
1820         int ring;
1821
1822         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1823         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1824                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1825                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1826                         qlcnic_disable_int(sds_ring);
1827                 }
1828         }
1829
1830         qlcnic_fw_destroy_ctx(adapter);
1831
1832         qlcnic_detach(adapter);
1833
1834         adapter->ahw->diag_test = 0;
1835         adapter->max_sds_rings = max_sds_rings;
1836         adapter->max_drv_tx_rings = max_tx_rings;
1837
1838         if (qlcnic_attach(adapter))
1839                 goto out;
1840
1841         if (netif_running(netdev))
1842                 __qlcnic_up(adapter, netdev);
1843 out:
1844         netif_device_attach(netdev);
1845 }
1846
1847 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1848 {
1849         struct qlcnic_hardware_context *ahw = adapter->ahw;
1850         int err = 0;
1851
1852         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1853                                 GFP_KERNEL);
1854         if (!adapter->recv_ctx) {
1855                 err = -ENOMEM;
1856                 goto err_out;
1857         }
1858         /* Initialize interrupt coalesce parameters */
1859         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1860         ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1861         ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1862         ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1863         if (qlcnic_83xx_check(adapter)) {
1864                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1865                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1866         }
1867         /* clear stats */
1868         memset(&adapter->stats, 0, sizeof(adapter->stats));
1869 err_out:
1870         return err;
1871 }
1872
1873 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1874 {
1875         kfree(adapter->recv_ctx);
1876         adapter->recv_ctx = NULL;
1877
1878         if (adapter->ahw->fw_dump.tmpl_hdr) {
1879                 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1880                 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1881         }
1882
1883         kfree(adapter->ahw->reset.buff);
1884         adapter->ahw->fw_dump.tmpl_hdr = NULL;
1885 }
1886
1887 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1888 {
1889         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1890         struct qlcnic_host_sds_ring *sds_ring;
1891         struct qlcnic_host_rds_ring *rds_ring;
1892         int ring;
1893         int ret;
1894
1895         netif_device_detach(netdev);
1896
1897         if (netif_running(netdev))
1898                 __qlcnic_down(adapter, netdev);
1899
1900         qlcnic_detach(adapter);
1901
1902         adapter->max_sds_rings = 1;
1903         adapter->ahw->diag_test = test;
1904         adapter->ahw->linkup = 0;
1905         adapter->max_drv_tx_rings = 1;
1906
1907         ret = qlcnic_attach(adapter);
1908         if (ret) {
1909                 netif_device_attach(netdev);
1910                 return ret;
1911         }
1912
1913         ret = qlcnic_fw_create_ctx(adapter);
1914         if (ret) {
1915                 qlcnic_detach(adapter);
1916                 netif_device_attach(netdev);
1917                 return ret;
1918         }
1919
1920         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1921                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1922                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1923         }
1924
1925         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1926                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1927                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1928                         qlcnic_enable_int(sds_ring);
1929                 }
1930         }
1931
1932         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1933                 adapter->ahw->loopback_state = 0;
1934                 qlcnic_linkevent_request(adapter, 1);
1935         }
1936
1937         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1938
1939         return 0;
1940 }
1941
1942 /* Reset context in hardware only */
1943 static int
1944 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1945 {
1946         struct net_device *netdev = adapter->netdev;
1947
1948         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1949                 return -EBUSY;
1950
1951         netif_device_detach(netdev);
1952
1953         qlcnic_down(adapter, netdev);
1954
1955         qlcnic_up(adapter, netdev);
1956
1957         netif_device_attach(netdev);
1958
1959         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1960         dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1961         return 0;
1962 }
1963
1964 int
1965 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1966 {
1967         int err = 0;
1968         struct net_device *netdev = adapter->netdev;
1969
1970         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1971                 return -EBUSY;
1972
1973         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1974
1975                 netif_device_detach(netdev);
1976
1977                 if (netif_running(netdev))
1978                         __qlcnic_down(adapter, netdev);
1979
1980                 qlcnic_detach(adapter);
1981
1982                 if (netif_running(netdev)) {
1983                         err = qlcnic_attach(adapter);
1984                         if (!err) {
1985                                 __qlcnic_up(adapter, netdev);
1986                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1987                         }
1988                 }
1989
1990                 netif_device_attach(netdev);
1991         }
1992
1993         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1994         return err;
1995 }
1996
1997 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1998 {
1999         struct qlcnic_hardware_context *ahw = adapter->ahw;
2000         u16 act_pci_fn = ahw->act_pci_func;
2001         u16 count;
2002
2003         ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2004         if (act_pci_fn <= 2)
2005                 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2006                          act_pci_fn;
2007         else
2008                 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2009                          act_pci_fn;
2010         ahw->max_uc_count = count;
2011 }
2012
2013 int
2014 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2015                     int pci_using_dac)
2016 {
2017         int err;
2018         struct pci_dev *pdev = adapter->pdev;
2019
2020         adapter->rx_csum = 1;
2021         adapter->ahw->mc_enabled = 0;
2022         qlcnic_set_mac_filter_count(adapter);
2023
2024         netdev->netdev_ops         = &qlcnic_netdev_ops;
2025         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2026
2027         qlcnic_change_mtu(netdev, netdev->mtu);
2028
2029         if (qlcnic_sriov_vf_check(adapter))
2030                 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2031         else
2032                 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2033
2034         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2035                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2036                              NETIF_F_HW_VLAN_CTAG_RX);
2037         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2038                                   NETIF_F_IPV6_CSUM);
2039
2040         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2041                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2042                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2043         }
2044
2045         if (pci_using_dac) {
2046                 netdev->features |= NETIF_F_HIGHDMA;
2047                 netdev->vlan_features |= NETIF_F_HIGHDMA;
2048         }
2049
2050         if (qlcnic_vlan_tx_check(adapter))
2051                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2052
2053         if (qlcnic_sriov_vf_check(adapter))
2054                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2055
2056         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2057                 netdev->features |= NETIF_F_LRO;
2058
2059         netdev->hw_features = netdev->features;
2060         netdev->priv_flags |= IFF_UNICAST_FLT;
2061         netdev->irq = adapter->msix_entries[0].vector;
2062
2063         err = qlcnic_set_real_num_queues(adapter, netdev);
2064         if (err)
2065                 return err;
2066
2067         err = register_netdev(netdev);
2068         if (err) {
2069                 dev_err(&pdev->dev, "failed to register net device\n");
2070                 return err;
2071         }
2072
2073         qlcnic_dcb_init_dcbnl_ops(adapter);
2074
2075         return 0;
2076 }
2077
2078 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2079 {
2080         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2081                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2082                 *pci_using_dac = 1;
2083         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2084                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2085                 *pci_using_dac = 0;
2086         else {
2087                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2088                 return -EIO;
2089         }
2090
2091         return 0;
2092 }
2093
2094 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2095 {
2096         int ring;
2097         struct qlcnic_host_tx_ring *tx_ring;
2098
2099         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2100                 tx_ring = &adapter->tx_ring[ring];
2101                 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2102                         vfree(tx_ring->cmd_buf_arr);
2103                         tx_ring->cmd_buf_arr = NULL;
2104                 }
2105         }
2106         if (adapter->tx_ring != NULL)
2107                 kfree(adapter->tx_ring);
2108 }
2109
2110 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2111                           struct net_device *netdev)
2112 {
2113         int ring, vector, index;
2114         struct qlcnic_host_tx_ring *tx_ring;
2115         struct qlcnic_cmd_buffer *cmd_buf_arr;
2116
2117         tx_ring = kcalloc(adapter->max_drv_tx_rings,
2118                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2119         if (tx_ring == NULL)
2120                 return -ENOMEM;
2121
2122         adapter->tx_ring = tx_ring;
2123
2124         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2125                 tx_ring = &adapter->tx_ring[ring];
2126                 tx_ring->num_desc = adapter->num_txd;
2127                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2128                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2129                 if (cmd_buf_arr == NULL) {
2130                         qlcnic_free_tx_rings(adapter);
2131                         return -ENOMEM;
2132                 }
2133                 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2134                 tx_ring->cmd_buf_arr = cmd_buf_arr;
2135         }
2136
2137         if (qlcnic_83xx_check(adapter) ||
2138             (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2139                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2140                         tx_ring = &adapter->tx_ring[ring];
2141                         tx_ring->adapter = adapter;
2142                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2143                                 index = adapter->max_sds_rings + ring;
2144                                 vector = adapter->msix_entries[index].vector;
2145                                 tx_ring->irq = vector;
2146                         }
2147                 }
2148         }
2149
2150         return 0;
2151 }
2152
2153 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2154 {
2155         struct qlcnic_hardware_context *ahw = adapter->ahw;
2156         u32 fw_cmd = 0;
2157
2158         if (qlcnic_82xx_check(adapter))
2159                 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2160         else if (qlcnic_83xx_check(adapter))
2161                 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2162
2163         if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2164             (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2165                 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2166 }
2167
2168 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
2169 {
2170         return __qlcnic_register_dcb(adapter);
2171 }
2172
2173 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter)
2174 {
2175         kfree(adapter->dcb);
2176         adapter->dcb = NULL;
2177 }
2178
2179 static int
2180 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2181 {
2182         struct net_device *netdev = NULL;
2183         struct qlcnic_adapter *adapter = NULL;
2184         struct qlcnic_hardware_context *ahw;
2185         int err, pci_using_dac = -1;
2186         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2187
2188         if (pdev->is_virtfn)
2189                 return -ENODEV;
2190
2191         err = pci_enable_device(pdev);
2192         if (err)
2193                 return err;
2194
2195         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2196                 err = -ENODEV;
2197                 goto err_out_disable_pdev;
2198         }
2199
2200         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2201         if (err)
2202                 goto err_out_disable_pdev;
2203
2204         err = pci_request_regions(pdev, qlcnic_driver_name);
2205         if (err)
2206                 goto err_out_disable_pdev;
2207
2208         pci_set_master(pdev);
2209         pci_enable_pcie_error_reporting(pdev);
2210
2211         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2212         if (!ahw) {
2213                 err = -ENOMEM;
2214                 goto err_out_free_res;
2215         }
2216
2217         switch (ent->device) {
2218         case PCI_DEVICE_ID_QLOGIC_QLE824X:
2219                 ahw->hw_ops = &qlcnic_hw_ops;
2220                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2221                 break;
2222         case PCI_DEVICE_ID_QLOGIC_QLE834X:
2223         case PCI_DEVICE_ID_QLOGIC_QLE844X:
2224                 qlcnic_83xx_register_map(ahw);
2225                 break;
2226         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2227         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2228                 qlcnic_sriov_vf_register_map(ahw);
2229                 break;
2230         default:
2231                 goto err_out_free_hw_res;
2232         }
2233
2234         err = qlcnic_setup_pci_map(pdev, ahw);
2235         if (err)
2236                 goto err_out_free_hw_res;
2237
2238         netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2239                                    QLCNIC_MAX_TX_RINGS);
2240         if (!netdev) {
2241                 err = -ENOMEM;
2242                 goto err_out_iounmap;
2243         }
2244
2245         SET_NETDEV_DEV(netdev, &pdev->dev);
2246
2247         adapter = netdev_priv(netdev);
2248         adapter->netdev  = netdev;
2249         adapter->pdev    = pdev;
2250         adapter->ahw = ahw;
2251
2252         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2253         if (adapter->qlcnic_wq == NULL) {
2254                 err = -ENOMEM;
2255                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2256                 goto err_out_free_netdev;
2257         }
2258
2259         err = qlcnic_alloc_adapter_resources(adapter);
2260         if (err)
2261                 goto err_out_free_wq;
2262
2263         adapter->dev_rst_time = jiffies;
2264         adapter->ahw->revision_id = pdev->revision;
2265         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2266                 adapter->fdb_mac_learn = true;
2267         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2268                 adapter->drv_mac_learn = true;
2269
2270         rwlock_init(&adapter->ahw->crb_lock);
2271         mutex_init(&adapter->ahw->mem_lock);
2272
2273         INIT_LIST_HEAD(&adapter->mac_list);
2274
2275         qlcnic_register_dcb(adapter);
2276
2277         if (qlcnic_82xx_check(adapter)) {
2278                 qlcnic_check_vf(adapter, ent);
2279                 adapter->portnum = adapter->ahw->pci_func;
2280                 err = qlcnic_start_firmware(adapter);
2281                 if (err) {
2282                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2283                                 "\t\tIf reboot doesn't help, try flashing the card\n");
2284                         goto err_out_maintenance_mode;
2285                 }
2286
2287                 qlcnic_get_multiq_capability(adapter);
2288
2289                 if ((adapter->ahw->act_pci_func > 2) &&
2290                     qlcnic_check_multi_tx(adapter)) {
2291                         adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2292                         dev_info(&adapter->pdev->dev,
2293                                  "vNIC mode enabled, Set max TX rings = %d\n",
2294                                  adapter->max_drv_tx_rings);
2295                 }
2296
2297                 if (!qlcnic_check_multi_tx(adapter)) {
2298                         clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2299                         adapter->max_drv_tx_rings = 1;
2300                 }
2301                 err = qlcnic_setup_idc_param(adapter);
2302                 if (err)
2303                         goto err_out_free_hw;
2304
2305                 adapter->flags |= QLCNIC_NEED_FLR;
2306
2307                 if (adapter->dcb && qlcnic_dcb_attach(adapter))
2308                         qlcnic_clear_dcb_ops(adapter);
2309
2310         } else if (qlcnic_83xx_check(adapter)) {
2311                 adapter->max_drv_tx_rings = 1;
2312                 qlcnic_83xx_check_vf(adapter, ent);
2313                 adapter->portnum = adapter->ahw->pci_func;
2314                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2315                 if (err) {
2316                         dev_err(&pdev->dev, "%s: failed\n", __func__);
2317                         goto err_out_free_hw;
2318                 }
2319                 if (qlcnic_sriov_vf_check(adapter))
2320                         return 0;
2321         } else {
2322                 dev_err(&pdev->dev,
2323                         "%s: failed. Please Reboot\n", __func__);
2324                 goto err_out_free_hw;
2325         }
2326
2327         if (qlcnic_read_mac_addr(adapter))
2328                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2329
2330         qlcnic_read_phys_port_id(adapter);
2331
2332         if (adapter->portnum == 0) {
2333                 qlcnic_get_board_name(adapter, board_name);
2334
2335                 pr_info("%s: %s Board Chip rev 0x%x\n",
2336                         module_name(THIS_MODULE),
2337                         board_name, adapter->ahw->revision_id);
2338         }
2339
2340         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2341             !!qlcnic_use_msi)
2342                 dev_warn(&pdev->dev,
2343                          "Device does not support MSI interrupts\n");
2344
2345         if (qlcnic_82xx_check(adapter)) {
2346                 err = qlcnic_setup_intr(adapter, 0, 0);
2347                 if (err) {
2348                         dev_err(&pdev->dev, "Failed to setup interrupt\n");
2349                         goto err_out_disable_msi;
2350                 }
2351         }
2352
2353         err = qlcnic_get_act_pci_func(adapter);
2354         if (err)
2355                 goto err_out_disable_mbx_intr;
2356
2357         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2358         if (err)
2359                 goto err_out_disable_mbx_intr;
2360
2361         if (adapter->portnum == 0)
2362                 qlcnic_set_drv_version(adapter);
2363
2364         pci_set_drvdata(pdev, adapter);
2365
2366         if (qlcnic_82xx_check(adapter))
2367                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2368                                      FW_POLL_DELAY);
2369
2370         switch (adapter->ahw->port_type) {
2371         case QLCNIC_GBE:
2372                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2373                                 adapter->netdev->name);
2374                 break;
2375         case QLCNIC_XGBE:
2376                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2377                                 adapter->netdev->name);
2378                 break;
2379         }
2380
2381         if (adapter->drv_mac_learn)
2382                 qlcnic_alloc_lb_filters_mem(adapter);
2383
2384         qlcnic_add_sysfs(adapter);
2385
2386         return 0;
2387
2388 err_out_disable_mbx_intr:
2389         if (qlcnic_83xx_check(adapter))
2390                 qlcnic_83xx_free_mbx_intr(adapter);
2391
2392 err_out_disable_msi:
2393         qlcnic_teardown_intr(adapter);
2394         qlcnic_cancel_idc_work(adapter);
2395         qlcnic_clr_all_drv_state(adapter, 0);
2396
2397 err_out_free_hw:
2398         qlcnic_free_adapter_resources(adapter);
2399
2400 err_out_free_wq:
2401         destroy_workqueue(adapter->qlcnic_wq);
2402
2403 err_out_free_netdev:
2404         free_netdev(netdev);
2405
2406 err_out_iounmap:
2407         qlcnic_cleanup_pci_map(ahw);
2408
2409 err_out_free_hw_res:
2410         kfree(ahw);
2411
2412 err_out_free_res:
2413         pci_release_regions(pdev);
2414
2415 err_out_disable_pdev:
2416         pci_set_drvdata(pdev, NULL);
2417         pci_disable_device(pdev);
2418         return err;
2419
2420 err_out_maintenance_mode:
2421         netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2422         SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2423         err = register_netdev(netdev);
2424
2425         if (err) {
2426                 dev_err(&pdev->dev, "Failed to register net device\n");
2427                 qlcnic_clr_all_drv_state(adapter, 0);
2428                 goto err_out_free_hw;
2429         }
2430
2431         pci_set_drvdata(pdev, adapter);
2432         qlcnic_add_sysfs(adapter);
2433
2434         return 0;
2435 }
2436
2437 static void qlcnic_remove(struct pci_dev *pdev)
2438 {
2439         struct qlcnic_adapter *adapter;
2440         struct net_device *netdev;
2441         struct qlcnic_hardware_context *ahw;
2442
2443         adapter = pci_get_drvdata(pdev);
2444         if (adapter == NULL)
2445                 return;
2446
2447         netdev = adapter->netdev;
2448         qlcnic_sriov_pf_disable(adapter);
2449
2450         qlcnic_cancel_idc_work(adapter);
2451         ahw = adapter->ahw;
2452
2453         qlcnic_dcb_free(adapter);
2454
2455         unregister_netdev(netdev);
2456         qlcnic_sriov_cleanup(adapter);
2457
2458         if (qlcnic_83xx_check(adapter)) {
2459                 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2460                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2461                 qlcnic_83xx_free_mbx_intr(adapter);
2462                 qlcnic_83xx_detach_mailbox_work(adapter);
2463                 qlcnic_83xx_free_mailbox(ahw->mailbox);
2464                 kfree(ahw->fw_info);
2465         }
2466
2467         qlcnic_detach(adapter);
2468
2469         if (adapter->npars != NULL)
2470                 kfree(adapter->npars);
2471         if (adapter->eswitch != NULL)
2472                 kfree(adapter->eswitch);
2473
2474         if (qlcnic_82xx_check(adapter))
2475                 qlcnic_clr_all_drv_state(adapter, 0);
2476
2477         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2478
2479         qlcnic_free_lb_filters_mem(adapter);
2480
2481         qlcnic_teardown_intr(adapter);
2482
2483         qlcnic_remove_sysfs(adapter);
2484
2485         qlcnic_cleanup_pci_map(adapter->ahw);
2486
2487         qlcnic_release_firmware(adapter);
2488
2489         pci_disable_pcie_error_reporting(pdev);
2490         pci_release_regions(pdev);
2491         pci_disable_device(pdev);
2492         pci_set_drvdata(pdev, NULL);
2493
2494         if (adapter->qlcnic_wq) {
2495                 destroy_workqueue(adapter->qlcnic_wq);
2496                 adapter->qlcnic_wq = NULL;
2497         }
2498
2499         qlcnic_free_adapter_resources(adapter);
2500         kfree(ahw);
2501         free_netdev(netdev);
2502 }
2503
2504 static void qlcnic_shutdown(struct pci_dev *pdev)
2505 {
2506         if (__qlcnic_shutdown(pdev))
2507                 return;
2508
2509         pci_disable_device(pdev);
2510 }
2511
2512 #ifdef CONFIG_PM
2513 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2514 {
2515         int retval;
2516
2517         retval = __qlcnic_shutdown(pdev);
2518         if (retval)
2519                 return retval;
2520
2521         pci_set_power_state(pdev, pci_choose_state(pdev, state));
2522         return 0;
2523 }
2524
2525 static int qlcnic_resume(struct pci_dev *pdev)
2526 {
2527         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2528         int err;
2529
2530         err = pci_enable_device(pdev);
2531         if (err)
2532                 return err;
2533
2534         pci_set_power_state(pdev, PCI_D0);
2535         pci_set_master(pdev);
2536         pci_restore_state(pdev);
2537
2538         return  __qlcnic_resume(adapter);
2539 }
2540 #endif
2541
2542 static int qlcnic_open(struct net_device *netdev)
2543 {
2544         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2545         u32 state;
2546         int err;
2547
2548         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2549         if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
2550                 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__);
2551
2552                 return -EIO;
2553         }
2554
2555         netif_carrier_off(netdev);
2556
2557         err = qlcnic_attach(adapter);
2558         if (err)
2559                 return err;
2560
2561         err = __qlcnic_up(adapter, netdev);
2562         if (err)
2563                 goto err_out;
2564
2565         netif_tx_start_all_queues(netdev);
2566
2567         return 0;
2568
2569 err_out:
2570         qlcnic_detach(adapter);
2571         return err;
2572 }
2573
2574 /*
2575  * qlcnic_close - Disables a network interface entry point
2576  */
2577 static int qlcnic_close(struct net_device *netdev)
2578 {
2579         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2580
2581         __qlcnic_down(adapter, netdev);
2582
2583         return 0;
2584 }
2585
2586 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2587 {
2588         void *head;
2589         int i;
2590         struct net_device *netdev = adapter->netdev;
2591         u32 filter_size = 0;
2592         u16 act_pci_func = 0;
2593
2594         if (adapter->fhash.fmax && adapter->fhash.fhead)
2595                 return;
2596
2597         act_pci_func = adapter->ahw->act_pci_func;
2598         spin_lock_init(&adapter->mac_learn_lock);
2599         spin_lock_init(&adapter->rx_mac_learn_lock);
2600
2601         if (qlcnic_82xx_check(adapter)) {
2602                 filter_size = QLCNIC_LB_MAX_FILTERS;
2603                 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2604         } else {
2605                 filter_size = QLC_83XX_LB_MAX_FILTERS;
2606                 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2607         }
2608
2609         head = kcalloc(adapter->fhash.fbucket_size,
2610                        sizeof(struct hlist_head), GFP_ATOMIC);
2611
2612         if (!head)
2613                 return;
2614
2615         adapter->fhash.fmax = (filter_size / act_pci_func);
2616         adapter->fhash.fhead = head;
2617
2618         netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2619                     act_pci_func, adapter->fhash.fmax);
2620
2621         for (i = 0; i < adapter->fhash.fbucket_size; i++)
2622                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2623
2624         adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2625
2626         head = kcalloc(adapter->rx_fhash.fbucket_size,
2627                        sizeof(struct hlist_head), GFP_ATOMIC);
2628
2629         if (!head)
2630                 return;
2631
2632         adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2633         adapter->rx_fhash.fhead = head;
2634
2635         for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2636                 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2637 }
2638
2639 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2640 {
2641         if (adapter->fhash.fmax && adapter->fhash.fhead)
2642                 kfree(adapter->fhash.fhead);
2643
2644         adapter->fhash.fhead = NULL;
2645         adapter->fhash.fmax = 0;
2646
2647         if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2648                 kfree(adapter->rx_fhash.fhead);
2649
2650         adapter->rx_fhash.fmax = 0;
2651         adapter->rx_fhash.fhead = NULL;
2652 }
2653
2654 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2655 {
2656         struct net_device *netdev = adapter->netdev;
2657         u32 temp_state, temp_val, temp = 0;
2658         int rv = 0;
2659
2660         if (qlcnic_83xx_check(adapter))
2661                 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2662
2663         if (qlcnic_82xx_check(adapter))
2664                 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2665
2666         temp_state = qlcnic_get_temp_state(temp);
2667         temp_val = qlcnic_get_temp_val(temp);
2668
2669         if (temp_state == QLCNIC_TEMP_PANIC) {
2670                 dev_err(&netdev->dev,
2671                        "Device temperature %d degrees C exceeds"
2672                        " maximum allowed. Hardware has been shut down.\n",
2673                        temp_val);
2674                 rv = 1;
2675         } else if (temp_state == QLCNIC_TEMP_WARN) {
2676                 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2677                         dev_err(&netdev->dev,
2678                                "Device temperature %d degrees C "
2679                                "exceeds operating range."
2680                                " Immediate action needed.\n",
2681                                temp_val);
2682                 }
2683         } else {
2684                 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2685                         dev_info(&netdev->dev,
2686                                "Device temperature is now %d degrees C"
2687                                " in normal range.\n", temp_val);
2688                 }
2689         }
2690         adapter->ahw->temp = temp_state;
2691         return rv;
2692 }
2693
2694 static void qlcnic_tx_timeout(struct net_device *netdev)
2695 {
2696         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2697         struct qlcnic_host_tx_ring *tx_ring;
2698         int ring;
2699
2700         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2701                 return;
2702
2703         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2704                 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2705                 if (qlcnic_82xx_check(adapter))
2706                         adapter->need_fw_reset = 1;
2707                 else if (qlcnic_83xx_check(adapter))
2708                         qlcnic_83xx_idc_request_reset(adapter,
2709                                                       QLCNIC_FORCE_FW_DUMP_KEY);
2710         } else {
2711                 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2712                 if (qlcnic_82xx_check(adapter)) {
2713                         for (ring = 0; ring < adapter->max_drv_tx_rings;
2714                              ring++) {
2715                                 tx_ring = &adapter->tx_ring[ring];
2716                                 dev_info(&netdev->dev, "ring=%d\n", ring);
2717                                 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2718                                          readl(tx_ring->crb_intr_mask));
2719                                 dev_info(&netdev->dev, "producer=%d\n",
2720                                          readl(tx_ring->crb_cmd_producer));
2721                                 dev_info(&netdev->dev, "sw_consumer = %d\n",
2722                                          tx_ring->sw_consumer);
2723                                 dev_info(&netdev->dev, "hw_consumer = %d\n",
2724                                          le32_to_cpu(*(tx_ring->hw_consumer)));
2725                                 dev_info(&netdev->dev, "xmit-on=%llu\n",
2726                                          tx_ring->xmit_on);
2727                                 dev_info(&netdev->dev, "xmit-off=%llu\n",
2728                                          tx_ring->xmit_off);
2729                         }
2730                 }
2731                 adapter->ahw->reset_context = 1;
2732         }
2733 }
2734
2735 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2736 {
2737         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2738         struct net_device_stats *stats = &netdev->stats;
2739
2740         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2741         stats->tx_packets = adapter->stats.xmitfinished;
2742         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2743         stats->tx_bytes = adapter->stats.txbytes;
2744         stats->rx_dropped = adapter->stats.rxdropped;
2745         stats->tx_dropped = adapter->stats.txdropped;
2746
2747         return stats;
2748 }
2749
2750 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2751 {
2752         u32 status;
2753
2754         status = readl(adapter->isr_int_vec);
2755
2756         if (!(status & adapter->ahw->int_vec_bit))
2757                 return IRQ_NONE;
2758
2759         /* check interrupt state machine, to be sure */
2760         status = readl(adapter->crb_int_state_reg);
2761         if (!ISR_LEGACY_INT_TRIGGERED(status))
2762                 return IRQ_NONE;
2763
2764         writel(0xffffffff, adapter->tgt_status_reg);
2765         /* read twice to ensure write is flushed */
2766         readl(adapter->isr_int_vec);
2767         readl(adapter->isr_int_vec);
2768
2769         return IRQ_HANDLED;
2770 }
2771
2772 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2773 {
2774         struct qlcnic_host_sds_ring *sds_ring = data;
2775         struct qlcnic_adapter *adapter = sds_ring->adapter;
2776
2777         if (adapter->flags & QLCNIC_MSIX_ENABLED)
2778                 goto done;
2779         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2780                 writel(0xffffffff, adapter->tgt_status_reg);
2781                 goto done;
2782         }
2783
2784         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2785                 return IRQ_NONE;
2786
2787 done:
2788         adapter->ahw->diag_cnt++;
2789         qlcnic_enable_int(sds_ring);
2790         return IRQ_HANDLED;
2791 }
2792
2793 static irqreturn_t qlcnic_intr(int irq, void *data)
2794 {
2795         struct qlcnic_host_sds_ring *sds_ring = data;
2796         struct qlcnic_adapter *adapter = sds_ring->adapter;
2797
2798         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2799                 return IRQ_NONE;
2800
2801         napi_schedule(&sds_ring->napi);
2802
2803         return IRQ_HANDLED;
2804 }
2805
2806 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2807 {
2808         struct qlcnic_host_sds_ring *sds_ring = data;
2809         struct qlcnic_adapter *adapter = sds_ring->adapter;
2810
2811         /* clear interrupt */
2812         writel(0xffffffff, adapter->tgt_status_reg);
2813
2814         napi_schedule(&sds_ring->napi);
2815         return IRQ_HANDLED;
2816 }
2817
2818 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2819 {
2820         struct qlcnic_host_sds_ring *sds_ring = data;
2821
2822         napi_schedule(&sds_ring->napi);
2823         return IRQ_HANDLED;
2824 }
2825
2826 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2827 {
2828         struct qlcnic_host_tx_ring *tx_ring = data;
2829
2830         napi_schedule(&tx_ring->napi);
2831         return IRQ_HANDLED;
2832 }
2833
2834 #ifdef CONFIG_NET_POLL_CONTROLLER
2835 static void qlcnic_poll_controller(struct net_device *netdev)
2836 {
2837         int ring;
2838         struct qlcnic_host_sds_ring *sds_ring;
2839         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2840         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2841
2842         disable_irq(adapter->irq);
2843         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2844                 sds_ring = &recv_ctx->sds_rings[ring];
2845                 qlcnic_intr(adapter->irq, sds_ring);
2846         }
2847         enable_irq(adapter->irq);
2848 }
2849 #endif
2850
2851 static void
2852 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2853 {
2854         u32 val;
2855
2856         val = adapter->portnum & 0xf;
2857         val |= encoding << 7;
2858         val |= (jiffies - adapter->dev_rst_time) << 8;
2859
2860         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2861         adapter->dev_rst_time = jiffies;
2862 }
2863
2864 static int
2865 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2866 {
2867         u32  val;
2868
2869         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2870                         state != QLCNIC_DEV_NEED_QUISCENT);
2871
2872         if (qlcnic_api_lock(adapter))
2873                 return -EIO;
2874
2875         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2876
2877         if (state == QLCNIC_DEV_NEED_RESET)
2878                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2879         else if (state == QLCNIC_DEV_NEED_QUISCENT)
2880                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2881
2882         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2883
2884         qlcnic_api_unlock(adapter);
2885
2886         return 0;
2887 }
2888
2889 static int
2890 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2891 {
2892         u32  val;
2893
2894         if (qlcnic_api_lock(adapter))
2895                 return -EBUSY;
2896
2897         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2898         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2899         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2900
2901         qlcnic_api_unlock(adapter);
2902
2903         return 0;
2904 }
2905
2906 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2907 {
2908         u32  val;
2909
2910         if (qlcnic_api_lock(adapter))
2911                 goto err;
2912
2913         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2914         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2915         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2916
2917         if (failed) {
2918                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2919                                     QLCNIC_DEV_FAILED);
2920                 dev_info(&adapter->pdev->dev,
2921                                 "Device state set to Failed. Please Reboot\n");
2922         } else if (!(val & 0x11111111))
2923                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2924                                     QLCNIC_DEV_COLD);
2925
2926         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2927         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2928         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2929
2930         qlcnic_api_unlock(adapter);
2931 err:
2932         adapter->fw_fail_cnt = 0;
2933         adapter->flags &= ~QLCNIC_FW_HANG;
2934         clear_bit(__QLCNIC_START_FW, &adapter->state);
2935         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2936 }
2937
2938 /* Grab api lock, before checking state */
2939 static int
2940 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2941 {
2942         int act, state, active_mask;
2943         struct qlcnic_hardware_context *ahw = adapter->ahw;
2944
2945         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2946         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2947
2948         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2949                 active_mask = (~(1 << (ahw->pci_func * 4)));
2950                 act = act & active_mask;
2951         }
2952
2953         if (((state & 0x11111111) == (act & 0x11111111)) ||
2954                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2955                 return 0;
2956         else
2957                 return 1;
2958 }
2959
2960 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2961 {
2962         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2963
2964         if (val != QLCNIC_DRV_IDC_VER) {
2965                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2966                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2967         }
2968
2969         return 0;
2970 }
2971
2972 static int
2973 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2974 {
2975         u32 val, prev_state;
2976         u8 dev_init_timeo = adapter->dev_init_timeo;
2977         u8 portnum = adapter->portnum;
2978         u8 ret;
2979
2980         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2981                 return 1;
2982
2983         if (qlcnic_api_lock(adapter))
2984                 return -1;
2985
2986         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2987         if (!(val & (1 << (portnum * 4)))) {
2988                 QLC_DEV_SET_REF_CNT(val, portnum);
2989                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2990         }
2991
2992         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2993         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2994
2995         switch (prev_state) {
2996         case QLCNIC_DEV_COLD:
2997                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2998                                     QLCNIC_DEV_INITIALIZING);
2999                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3000                                     QLCNIC_DRV_IDC_VER);
3001                 qlcnic_idc_debug_info(adapter, 0);
3002                 qlcnic_api_unlock(adapter);
3003                 return 1;
3004
3005         case QLCNIC_DEV_READY:
3006                 ret = qlcnic_check_idc_ver(adapter);
3007                 qlcnic_api_unlock(adapter);
3008                 return ret;
3009
3010         case QLCNIC_DEV_NEED_RESET:
3011                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3012                 QLC_DEV_SET_RST_RDY(val, portnum);
3013                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3014                 break;
3015
3016         case QLCNIC_DEV_NEED_QUISCENT:
3017                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3018                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3019                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3020                 break;
3021
3022         case QLCNIC_DEV_FAILED:
3023                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3024                 qlcnic_api_unlock(adapter);
3025                 return -1;
3026
3027         case QLCNIC_DEV_INITIALIZING:
3028         case QLCNIC_DEV_QUISCENT:
3029                 break;
3030         }
3031
3032         qlcnic_api_unlock(adapter);
3033
3034         do {
3035                 msleep(1000);
3036                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3037
3038                 if (prev_state == QLCNIC_DEV_QUISCENT)
3039                         continue;
3040         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3041
3042         if (!dev_init_timeo) {
3043                 dev_err(&adapter->pdev->dev,
3044                         "Waiting for device to initialize timeout\n");
3045                 return -1;
3046         }
3047
3048         if (qlcnic_api_lock(adapter))
3049                 return -1;
3050
3051         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3052         QLC_DEV_CLR_RST_QSCNT(val, portnum);
3053         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3054
3055         ret = qlcnic_check_idc_ver(adapter);
3056         qlcnic_api_unlock(adapter);
3057
3058         return ret;
3059 }
3060
3061 static void
3062 qlcnic_fwinit_work(struct work_struct *work)
3063 {
3064         struct qlcnic_adapter *adapter = container_of(work,
3065                         struct qlcnic_adapter, fw_work.work);
3066         u32 dev_state = 0xf;
3067         u32 val;
3068
3069         if (qlcnic_api_lock(adapter))
3070                 goto err_ret;
3071
3072         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3073         if (dev_state == QLCNIC_DEV_QUISCENT ||
3074             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3075                 qlcnic_api_unlock(adapter);
3076                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3077                                                 FW_POLL_DELAY * 2);
3078                 return;
3079         }
3080
3081         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3082                 qlcnic_api_unlock(adapter);
3083                 goto wait_npar;
3084         }
3085
3086         if (dev_state == QLCNIC_DEV_INITIALIZING ||
3087             dev_state == QLCNIC_DEV_READY) {
3088                 dev_info(&adapter->pdev->dev, "Detected state change from "
3089                                 "DEV_NEED_RESET, skipping ack check\n");
3090                 goto skip_ack_check;
3091         }
3092
3093         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3094                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3095                                         adapter->reset_ack_timeo);
3096                 goto skip_ack_check;
3097         }
3098
3099         if (!qlcnic_check_drv_state(adapter)) {
3100 skip_ack_check:
3101                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3102
3103                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3104                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3105                                             QLCNIC_DEV_INITIALIZING);
3106                         set_bit(__QLCNIC_START_FW, &adapter->state);
3107                         QLCDB(adapter, DRV, "Restarting fw\n");
3108                         qlcnic_idc_debug_info(adapter, 0);
3109                         val = QLC_SHARED_REG_RD32(adapter,
3110                                                   QLCNIC_CRB_DRV_STATE);
3111                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3112                         QLC_SHARED_REG_WR32(adapter,
3113                                             QLCNIC_CRB_DRV_STATE, val);
3114                 }
3115
3116                 qlcnic_api_unlock(adapter);
3117
3118                 rtnl_lock();
3119                 if (qlcnic_check_fw_dump_state(adapter) &&
3120                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3121                         QLCDB(adapter, DRV, "Take FW dump\n");
3122                         qlcnic_dump_fw(adapter);
3123                         adapter->flags |= QLCNIC_FW_HANG;
3124                 }
3125                 rtnl_unlock();
3126
3127                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3128                 if (!adapter->nic_ops->start_firmware(adapter)) {
3129                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3130                         adapter->fw_wait_cnt = 0;
3131                         return;
3132                 }
3133                 goto err_ret;
3134         }
3135
3136         qlcnic_api_unlock(adapter);
3137
3138 wait_npar:
3139         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3140         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3141
3142         switch (dev_state) {
3143         case QLCNIC_DEV_READY:
3144                 if (!qlcnic_start_firmware(adapter)) {
3145                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3146                         adapter->fw_wait_cnt = 0;
3147                         return;
3148                 }
3149         case QLCNIC_DEV_FAILED:
3150                 break;
3151         default:
3152                 qlcnic_schedule_work(adapter,
3153                         qlcnic_fwinit_work, FW_POLL_DELAY);
3154                 return;
3155         }
3156
3157 err_ret:
3158         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3159                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3160         netif_device_attach(adapter->netdev);
3161         qlcnic_clr_all_drv_state(adapter, 0);
3162 }
3163
3164 static void
3165 qlcnic_detach_work(struct work_struct *work)
3166 {
3167         struct qlcnic_adapter *adapter = container_of(work,
3168                         struct qlcnic_adapter, fw_work.work);
3169         struct net_device *netdev = adapter->netdev;
3170         u32 status;
3171
3172         netif_device_detach(netdev);
3173
3174         /* Dont grab rtnl lock during Quiscent mode */
3175         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3176                 if (netif_running(netdev))
3177                         __qlcnic_down(adapter, netdev);
3178         } else
3179                 qlcnic_down(adapter, netdev);
3180
3181         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3182
3183         if (status & QLCNIC_RCODE_FATAL_ERROR) {
3184                 dev_err(&adapter->pdev->dev,
3185                         "Detaching the device: peg halt status1=0x%x\n",
3186                                         status);
3187
3188                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3189                         dev_err(&adapter->pdev->dev,
3190                         "On board active cooling fan failed. "
3191                                 "Device has been halted.\n");
3192                         dev_err(&adapter->pdev->dev,
3193                                 "Replace the adapter.\n");
3194                 }
3195
3196                 goto err_ret;
3197         }
3198
3199         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3200                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3201                         adapter->ahw->temp);
3202                 goto err_ret;
3203         }
3204
3205         /* Dont ack if this instance is the reset owner */
3206         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3207                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3208                         dev_err(&adapter->pdev->dev,
3209                                 "Failed to set driver state,"
3210                                         "detaching the device.\n");
3211                         goto err_ret;
3212                 }
3213         }
3214
3215         adapter->fw_wait_cnt = 0;
3216
3217         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3218
3219         return;
3220
3221 err_ret:
3222         netif_device_attach(netdev);
3223         qlcnic_clr_all_drv_state(adapter, 1);
3224 }
3225
3226 /*Transit NPAR state to NON Operational */
3227 static void
3228 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3229 {
3230         u32 state;
3231
3232         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3233         if (state == QLCNIC_DEV_NPAR_NON_OPER)
3234                 return;
3235
3236         if (qlcnic_api_lock(adapter))
3237                 return;
3238         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3239                             QLCNIC_DEV_NPAR_NON_OPER);
3240         qlcnic_api_unlock(adapter);
3241 }
3242
3243 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3244 {
3245         u32 state, xg_val = 0, gb_val = 0;
3246
3247         qlcnic_xg_set_xg0_mask(xg_val);
3248         qlcnic_xg_set_xg1_mask(xg_val);
3249         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3250         qlcnic_gb_set_gb0_mask(gb_val);
3251         qlcnic_gb_set_gb1_mask(gb_val);
3252         qlcnic_gb_set_gb2_mask(gb_val);
3253         qlcnic_gb_set_gb3_mask(gb_val);
3254         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3255         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3256                                 " on all ports\n");
3257         adapter->need_fw_reset = 1;
3258
3259         if (qlcnic_api_lock(adapter))
3260                 return;
3261
3262         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3263         if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
3264                 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n",
3265                            __func__);
3266                 qlcnic_api_unlock(adapter);
3267
3268                 return;
3269         }
3270
3271         if (state == QLCNIC_DEV_READY) {
3272                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3273                                     QLCNIC_DEV_NEED_RESET);
3274                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3275                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3276                 qlcnic_idc_debug_info(adapter, 0);
3277         }
3278
3279         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3280                             QLCNIC_DEV_NPAR_NON_OPER);
3281         qlcnic_api_unlock(adapter);
3282 }
3283
3284 /* Transit to NPAR READY state from NPAR NOT READY state */
3285 static void
3286 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3287 {
3288         if (qlcnic_api_lock(adapter))
3289                 return;
3290
3291         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3292                             QLCNIC_DEV_NPAR_OPER);
3293         QLCDB(adapter, DRV, "NPAR operational state set\n");
3294
3295         qlcnic_api_unlock(adapter);
3296 }
3297
3298 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3299                           work_func_t func, int delay)
3300 {
3301         if (test_bit(__QLCNIC_AER, &adapter->state))
3302                 return;
3303
3304         INIT_DELAYED_WORK(&adapter->fw_work, func);
3305         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3306                            round_jiffies_relative(delay));
3307 }
3308
3309 static void
3310 qlcnic_attach_work(struct work_struct *work)
3311 {
3312         struct qlcnic_adapter *adapter = container_of(work,
3313                                 struct qlcnic_adapter, fw_work.work);
3314         struct net_device *netdev = adapter->netdev;
3315         u32 npar_state;
3316
3317         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3318                 npar_state = QLC_SHARED_REG_RD32(adapter,
3319                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3320                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3321                         qlcnic_clr_all_drv_state(adapter, 0);
3322                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3323                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3324                                                         FW_POLL_DELAY);
3325                 else
3326                         goto attach;
3327                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3328                 return;
3329         }
3330 attach:
3331         qlcnic_dcb_get_info(adapter);
3332
3333         if (netif_running(netdev)) {
3334                 if (qlcnic_up(adapter, netdev))
3335                         goto done;
3336
3337                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3338         }
3339
3340 done:
3341         netif_device_attach(netdev);
3342         adapter->fw_fail_cnt = 0;
3343         adapter->flags &= ~QLCNIC_FW_HANG;
3344         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3345         if (adapter->portnum == 0)
3346                 qlcnic_set_drv_version(adapter);
3347
3348         if (!qlcnic_clr_drv_state(adapter))
3349                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3350                                                         FW_POLL_DELAY);
3351 }
3352
3353 static int
3354 qlcnic_check_health(struct qlcnic_adapter *adapter)
3355 {
3356         u32 state = 0, heartbeat;
3357         u32 peg_status;
3358         int err = 0;
3359
3360         if (qlcnic_check_temp(adapter))
3361                 goto detach;
3362
3363         if (adapter->need_fw_reset)
3364                 qlcnic_dev_request_reset(adapter, 0);
3365
3366         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3367         if (state == QLCNIC_DEV_NEED_RESET) {
3368                 qlcnic_set_npar_non_operational(adapter);
3369                 adapter->need_fw_reset = 1;
3370         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3371                 goto detach;
3372
3373         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3374         if (heartbeat != adapter->heartbeat) {
3375                 adapter->heartbeat = heartbeat;
3376                 adapter->fw_fail_cnt = 0;
3377                 if (adapter->need_fw_reset)
3378                         goto detach;
3379
3380                 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
3381                         qlcnic_reset_hw_context(adapter);
3382
3383                 return 0;
3384         }
3385
3386         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3387                 return 0;
3388
3389         adapter->flags |= QLCNIC_FW_HANG;
3390
3391         qlcnic_dev_request_reset(adapter, 0);
3392
3393         if (qlcnic_auto_fw_reset)
3394                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3395
3396         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3397         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3398         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3399                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3400                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3401                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3402                         "PEG_NET_4_PC: 0x%x\n",
3403                         peg_status,
3404                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3405                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3406                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3407                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3408                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3409                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3410         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3411                 dev_err(&adapter->pdev->dev,
3412                         "Firmware aborted with error code 0x00006700. "
3413                                 "Device is being reset.\n");
3414 detach:
3415         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3416                 QLCNIC_DEV_NEED_RESET;
3417
3418         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3419                                                       &adapter->state)) {
3420
3421                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3422                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3423         }
3424
3425         return 1;
3426 }
3427
3428 void qlcnic_fw_poll_work(struct work_struct *work)
3429 {
3430         struct qlcnic_adapter *adapter = container_of(work,
3431                                 struct qlcnic_adapter, fw_work.work);
3432
3433         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3434                 goto reschedule;
3435
3436
3437         if (qlcnic_check_health(adapter))
3438                 return;
3439
3440         if (adapter->fhash.fnum)
3441                 qlcnic_prune_lb_filters(adapter);
3442
3443 reschedule:
3444         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3445 }
3446
3447 static int qlcnic_is_first_func(struct pci_dev *pdev)
3448 {
3449         struct pci_dev *oth_pdev;
3450         int val = pdev->devfn;
3451
3452         while (val-- > 0) {
3453                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3454                         (pdev->bus), pdev->bus->number,
3455                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3456                 if (!oth_pdev)
3457                         continue;
3458
3459                 if (oth_pdev->current_state != PCI_D3cold) {
3460                         pci_dev_put(oth_pdev);
3461                         return 0;
3462                 }
3463                 pci_dev_put(oth_pdev);
3464         }
3465         return 1;
3466 }
3467
3468 static int qlcnic_attach_func(struct pci_dev *pdev)
3469 {
3470         int err, first_func;
3471         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3472         struct net_device *netdev = adapter->netdev;
3473
3474         pdev->error_state = pci_channel_io_normal;
3475
3476         err = pci_enable_device(pdev);
3477         if (err)
3478                 return err;
3479
3480         pci_set_master(pdev);
3481         pci_restore_state(pdev);
3482
3483         first_func = qlcnic_is_first_func(pdev);
3484
3485         if (qlcnic_api_lock(adapter))
3486                 return -EINVAL;
3487
3488         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3489                 adapter->need_fw_reset = 1;
3490                 set_bit(__QLCNIC_START_FW, &adapter->state);
3491                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3492                                     QLCNIC_DEV_INITIALIZING);
3493                 QLCDB(adapter, DRV, "Restarting fw\n");
3494         }
3495         qlcnic_api_unlock(adapter);
3496
3497         err = qlcnic_start_firmware(adapter);
3498         if (err)
3499                 return err;
3500
3501         qlcnic_clr_drv_state(adapter);
3502         kfree(adapter->msix_entries);
3503         adapter->msix_entries = NULL;
3504         err = qlcnic_setup_intr(adapter, 0, 0);
3505
3506         if (err) {
3507                 kfree(adapter->msix_entries);
3508                 netdev_err(netdev, "failed to setup interrupt\n");
3509                 return err;
3510         }
3511
3512         if (netif_running(netdev)) {
3513                 err = qlcnic_attach(adapter);
3514                 if (err) {
3515                         qlcnic_clr_all_drv_state(adapter, 1);
3516                         clear_bit(__QLCNIC_AER, &adapter->state);
3517                         netif_device_attach(netdev);
3518                         return err;
3519                 }
3520
3521                 err = qlcnic_up(adapter, netdev);
3522                 if (err)
3523                         goto done;
3524
3525                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3526         }
3527  done:
3528         netif_device_attach(netdev);
3529         return err;
3530 }
3531
3532 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3533                                                pci_channel_state_t state)
3534 {
3535         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3536         struct net_device *netdev = adapter->netdev;
3537
3538         if (state == pci_channel_io_perm_failure)
3539                 return PCI_ERS_RESULT_DISCONNECT;
3540
3541         if (state == pci_channel_io_normal)
3542                 return PCI_ERS_RESULT_RECOVERED;
3543
3544         set_bit(__QLCNIC_AER, &adapter->state);
3545         netif_device_detach(netdev);
3546
3547         cancel_delayed_work_sync(&adapter->fw_work);
3548
3549         if (netif_running(netdev))
3550                 qlcnic_down(adapter, netdev);
3551
3552         qlcnic_detach(adapter);
3553         qlcnic_teardown_intr(adapter);
3554
3555         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3556
3557         pci_save_state(pdev);
3558         pci_disable_device(pdev);
3559
3560         return PCI_ERS_RESULT_NEED_RESET;
3561 }
3562
3563 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3564 {
3565         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3566                                 PCI_ERS_RESULT_RECOVERED;
3567 }
3568
3569 void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3570 {
3571         u32 state;
3572         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3573
3574         pci_cleanup_aer_uncorrect_error_status(pdev);
3575         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3576         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3577                                                             &adapter->state))
3578                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3579                                      FW_POLL_DELAY);
3580 }
3581
3582 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3583                                                  pci_channel_state_t state)
3584 {
3585         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3586         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3587
3588         if (hw_ops->io_error_detected) {
3589                 return hw_ops->io_error_detected(pdev, state);
3590         } else {
3591                 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3592                 return PCI_ERS_RESULT_DISCONNECT;
3593         }
3594 }
3595
3596 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3597 {
3598         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3599         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3600
3601         if (hw_ops->io_slot_reset) {
3602                 return hw_ops->io_slot_reset(pdev);
3603         } else {
3604                 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3605                 return PCI_ERS_RESULT_DISCONNECT;
3606         }
3607 }
3608
3609 static void qlcnic_io_resume(struct pci_dev *pdev)
3610 {
3611         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3612         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3613
3614         if (hw_ops->io_resume)
3615                 hw_ops->io_resume(pdev);
3616         else
3617                 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3618 }
3619
3620
3621 static int
3622 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3623 {
3624         int err;
3625
3626         err = qlcnic_can_start_firmware(adapter);
3627         if (err)
3628                 return err;
3629
3630         err = qlcnic_check_npar_opertional(adapter);
3631         if (err)
3632                 return err;
3633
3634         err = qlcnic_initialize_nic(adapter);
3635         if (err)
3636                 return err;
3637
3638         qlcnic_check_options(adapter);
3639
3640         err = qlcnic_set_eswitch_port_config(adapter);
3641         if (err)
3642                 return err;
3643
3644         adapter->need_fw_reset = 0;
3645
3646         return err;
3647 }
3648
3649 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
3650 {
3651         struct net_device *netdev = adapter->netdev;
3652         u8 max_hw = QLCNIC_MAX_TX_RINGS;
3653         u32 max_allowed;
3654
3655         if (!qlcnic_82xx_check(adapter)) {
3656                 netdev_err(netdev, "No Multi TX-Q support\n");
3657                 return -EINVAL;
3658         }
3659
3660         if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3661                 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3662                 return -EINVAL;
3663         }
3664
3665         if (!qlcnic_check_multi_tx(adapter)) {
3666                 netdev_err(netdev, "No Multi TX-Q support\n");
3667                 return -EINVAL;
3668         }
3669
3670         if (txq > QLCNIC_MAX_TX_RINGS) {
3671                 netdev_err(netdev, "Invalid ring count\n");
3672                 return -EINVAL;
3673         }
3674
3675         max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3676                                                  num_online_cpus()));
3677         if ((txq > max_allowed) || !is_power_of_2(txq)) {
3678                 if (!is_power_of_2(txq))
3679                         netdev_err(netdev,
3680                                    "TX queue should be a power of 2\n");
3681                 if (txq > num_online_cpus())
3682                         netdev_err(netdev,
3683                                    "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3684                                    num_online_cpus());
3685                 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3686                 return -EINVAL;
3687         }
3688
3689         return 0;
3690 }
3691
3692 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3693                                 __u32 val)
3694 {
3695         struct net_device *netdev = adapter->netdev;
3696         u8 max_hw = adapter->ahw->max_rx_ques;
3697         u32 max_allowed;
3698
3699         if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3700             !qlcnic_use_msi) {
3701                 netdev_err(netdev, "No RSS support in INT-x mode\n");
3702                 return -EINVAL;
3703         }
3704
3705         if (val > QLCNIC_MAX_SDS_RINGS) {
3706                 netdev_err(netdev, "RSS value should not be higher than %u\n",
3707                            QLCNIC_MAX_SDS_RINGS);
3708                 return -EINVAL;
3709         }
3710
3711         max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3712                                                  num_online_cpus()));
3713         if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3714                 if (!is_power_of_2(val))
3715                         netdev_err(netdev, "RSS value should be a power of 2\n");
3716
3717                 if (val < 2)
3718                         netdev_err(netdev, "RSS value should not be lower than 2\n");
3719
3720                 if (val > max_hw)
3721                         netdev_err(netdev,
3722                                    "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3723                                    max_hw);
3724
3725                 if (val > num_online_cpus())
3726                         netdev_err(netdev,
3727                                    "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3728                                    num_online_cpus());
3729
3730                 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3731
3732                 return -EINVAL;
3733         }
3734         return 0;
3735 }
3736
3737 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
3738 {
3739         int err;
3740         struct net_device *netdev = adapter->netdev;
3741         int num_msix;
3742
3743         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3744                 return -EBUSY;
3745
3746         if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3747             !qlcnic_use_msi) {
3748                 netdev_err(netdev, "No RSS support in INT-x mode\n");
3749                 return -EINVAL;
3750         }
3751
3752         netif_device_detach(netdev);
3753         if (netif_running(netdev))
3754                 __qlcnic_down(adapter, netdev);
3755
3756         qlcnic_detach(adapter);
3757
3758         if (qlcnic_82xx_check(adapter)) {
3759                 if (txq != 0)
3760                         adapter->max_drv_tx_rings = txq;
3761
3762                 if (qlcnic_check_multi_tx(adapter) &&
3763                     (txq > adapter->max_drv_tx_rings))
3764                         num_msix = adapter->max_drv_tx_rings;
3765                 else
3766                         num_msix = data;
3767         }
3768
3769         if (qlcnic_83xx_check(adapter)) {
3770                 qlcnic_83xx_free_mbx_intr(adapter);
3771                 qlcnic_83xx_enable_mbx_poll(adapter);
3772         }
3773
3774         netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3775
3776         qlcnic_teardown_intr(adapter);
3777
3778         err = qlcnic_setup_intr(adapter, data, txq);
3779         if (err) {
3780                 kfree(adapter->msix_entries);
3781                 netdev_err(netdev, "failed to setup interrupt\n");
3782                 return err;
3783         }
3784
3785         if (qlcnic_83xx_check(adapter)) {
3786                 /* register for NIC IDC AEN Events */
3787                 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3788                 err = qlcnic_83xx_setup_mbx_intr(adapter);
3789                 qlcnic_83xx_disable_mbx_poll(adapter);
3790                 if (err) {
3791                         dev_err(&adapter->pdev->dev,
3792                                 "failed to setup mbx interrupt\n");
3793                         goto done;
3794                 }
3795         }
3796
3797         if (netif_running(netdev)) {
3798                 err = qlcnic_attach(adapter);
3799                 if (err)
3800                         goto done;
3801                 err = __qlcnic_up(adapter, netdev);
3802                 if (err)
3803                         goto done;
3804                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3805         }
3806 done:
3807         netif_device_attach(netdev);
3808         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3809         return err;
3810 }
3811
3812 #ifdef CONFIG_INET
3813
3814 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3815
3816 static void
3817 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3818                         struct net_device *dev, unsigned long event)
3819 {
3820         struct in_device *indev;
3821
3822         indev = in_dev_get(dev);
3823         if (!indev)
3824                 return;
3825
3826         for_ifa(indev) {
3827                 switch (event) {
3828                 case NETDEV_UP:
3829                         qlcnic_config_ipaddr(adapter,
3830                                         ifa->ifa_address, QLCNIC_IP_UP);
3831                         break;
3832                 case NETDEV_DOWN:
3833                         qlcnic_config_ipaddr(adapter,
3834                                         ifa->ifa_address, QLCNIC_IP_DOWN);
3835                         break;
3836                 default:
3837                         break;
3838                 }
3839         } endfor_ifa(indev);
3840
3841         in_dev_put(indev);
3842 }
3843
3844 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3845 {
3846         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3847         struct net_device *dev;
3848         u16 vid;
3849
3850         qlcnic_config_indev_addr(adapter, netdev, event);
3851
3852         rcu_read_lock();
3853         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3854                 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3855                 if (!dev)
3856                         continue;
3857                 qlcnic_config_indev_addr(adapter, dev, event);
3858         }
3859         rcu_read_unlock();
3860 }
3861
3862 static int qlcnic_netdev_event(struct notifier_block *this,
3863                                  unsigned long event, void *ptr)
3864 {
3865         struct qlcnic_adapter *adapter;
3866         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3867
3868 recheck:
3869         if (dev == NULL)
3870                 goto done;
3871
3872         if (dev->priv_flags & IFF_802_1Q_VLAN) {
3873                 dev = vlan_dev_real_dev(dev);
3874                 goto recheck;
3875         }
3876
3877         if (!is_qlcnic_netdev(dev))
3878                 goto done;
3879
3880         adapter = netdev_priv(dev);
3881
3882         if (!adapter)
3883                 goto done;
3884
3885         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3886                 goto done;
3887
3888         qlcnic_config_indev_addr(adapter, dev, event);
3889 done:
3890         return NOTIFY_DONE;
3891 }
3892
3893 static int
3894 qlcnic_inetaddr_event(struct notifier_block *this,
3895                 unsigned long event, void *ptr)
3896 {
3897         struct qlcnic_adapter *adapter;
3898         struct net_device *dev;
3899
3900         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3901
3902         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3903
3904 recheck:
3905         if (dev == NULL)
3906                 goto done;
3907
3908         if (dev->priv_flags & IFF_802_1Q_VLAN) {
3909                 dev = vlan_dev_real_dev(dev);
3910                 goto recheck;
3911         }
3912
3913         if (!is_qlcnic_netdev(dev))
3914                 goto done;
3915
3916         adapter = netdev_priv(dev);
3917
3918         if (!adapter)
3919                 goto done;
3920
3921         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3922                 goto done;
3923
3924         switch (event) {
3925         case NETDEV_UP:
3926                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3927
3928                 break;
3929         case NETDEV_DOWN:
3930                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3931
3932                 break;
3933         default:
3934                 break;
3935         }
3936
3937 done:
3938         return NOTIFY_DONE;
3939 }
3940
3941 static struct notifier_block    qlcnic_netdev_cb = {
3942         .notifier_call = qlcnic_netdev_event,
3943 };
3944
3945 static struct notifier_block qlcnic_inetaddr_cb = {
3946         .notifier_call = qlcnic_inetaddr_event,
3947 };
3948 #else
3949 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3950 { }
3951 #endif
3952 static const struct pci_error_handlers qlcnic_err_handler = {
3953         .error_detected = qlcnic_io_error_detected,
3954         .slot_reset = qlcnic_io_slot_reset,
3955         .resume = qlcnic_io_resume,
3956 };
3957
3958 static struct pci_driver qlcnic_driver = {
3959         .name = qlcnic_driver_name,
3960         .id_table = qlcnic_pci_tbl,
3961         .probe = qlcnic_probe,
3962         .remove = qlcnic_remove,
3963 #ifdef CONFIG_PM
3964         .suspend = qlcnic_suspend,
3965         .resume = qlcnic_resume,
3966 #endif
3967         .shutdown = qlcnic_shutdown,
3968         .err_handler = &qlcnic_err_handler,
3969 #ifdef CONFIG_QLCNIC_SRIOV
3970         .sriov_configure = qlcnic_pci_sriov_configure,
3971 #endif
3972
3973 };
3974
3975 static int __init qlcnic_init_module(void)
3976 {
3977         int ret;
3978
3979         printk(KERN_INFO "%s\n", qlcnic_driver_string);
3980
3981 #ifdef CONFIG_INET
3982         register_netdevice_notifier(&qlcnic_netdev_cb);
3983         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3984 #endif
3985
3986         ret = pci_register_driver(&qlcnic_driver);
3987         if (ret) {
3988 #ifdef CONFIG_INET
3989                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3990                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3991 #endif
3992         }
3993
3994         return ret;
3995 }
3996
3997 module_init(qlcnic_init_module);
3998
3999 static void __exit qlcnic_exit_module(void)
4000 {
4001         pci_unregister_driver(&qlcnic_driver);
4002
4003 #ifdef CONFIG_INET
4004         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4005         unregister_netdevice_notifier(&qlcnic_netdev_cb);
4006 #endif
4007 }
4008
4009 module_exit(qlcnic_exit_module);