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