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 int qlcnic_config_npars;
  56 module_param(qlcnic_config_npars, int, 0444);
  57 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled)");
  58
  59 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  60 static void qlcnic_remove(struct pci_dev *pdev);
  61 static int qlcnic_open(struct net_device *netdev);
  62 static int qlcnic_close(struct net_device *netdev);
  63 static void qlcnic_tx_timeout(struct net_device *netdev);
  64 static void qlcnic_attach_work(struct work_struct *work);
  65 static void qlcnic_fwinit_work(struct work_struct *work);
  66 static void qlcnic_fw_poll_work(struct work_struct *work);
  67 #ifdef CONFIG_NET_POLL_CONTROLLER
  68 static void qlcnic_poll_controller(struct net_device *netdev);
  69 #endif
  70
  71 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  72 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
  73 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  74
  75 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  76 static irqreturn_t qlcnic_intr(int irq, void *data);
  77 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  78 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  79 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
  80
  81 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  82 static int qlcnic_start_firmware(struct qlcnic_adapter *);
  83
  84 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  85 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  86 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  87 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
  88 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
  89
  90 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  91 {
  92         struct qlcnic_hardware_context *ahw = adapter->ahw;
  93
  94         if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
  95                 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
  96         else
  97                 return 1;
  98 }
  99
 100 /*  PCI Device ID Table  */
 101 #define ENTRY(device) \
 102         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
 103         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
 104
 105 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
 106         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 107         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
 108         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
 109         {0,}
 110 };
 111
 112 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 113
 114
 115 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
 116 {
 117         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 118 }
 119
 120 static const u32 msi_tgt_status[8] = {
 121         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 122         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 123         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 124         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 125 };
 126
 127 static const u32 qlcnic_reg_tbl[] = {
 128         0x1B20A8,       /* PEG_HALT_STAT1 */
 129         0x1B20AC,       /* PEG_HALT_STAT2 */
 130         0x1B20B0,       /* FW_HEARTBEAT */
 131         0x1B2100,       /* LOCK ID */
 132         0x1B2128,       /* FW_CAPABILITIES */
 133         0x1B2138,       /* drv active */
 134         0x1B2140,       /* dev state */
 135         0x1B2144,       /* drv state */
 136         0x1B2148,       /* drv scratch */
 137         0x1B214C,       /* dev partition info */
 138         0x1B2174,       /* drv idc ver */
 139         0x1B2150,       /* fw version major */
 140         0x1B2154,       /* fw version minor */
 141         0x1B2158,       /* fw version sub */
 142         0x1B219C,       /* npar state */
 143         0x1B21FC,       /* FW_IMG_VALID */
 144         0x1B2250,       /* CMD_PEG_STATE */
 145         0x1B233C,       /* RCV_PEG_STATE */
 146         0x1B23B4,       /* ASIC TEMP */
 147         0x1B216C,       /* FW api */
 148         0x1B2170,       /* drv op mode */
 149         0x13C010,       /* flash lock */
 150         0x13C014,       /* flash unlock */
 151 };
 152
 153 static const struct qlcnic_board_info qlcnic_boards[] = {
 154         { PCI_VENDOR_ID_QLOGIC,
 155           PCI_DEVICE_ID_QLOGIC_QLE834X,
 156           PCI_VENDOR_ID_QLOGIC,
 157           0x24e,
 158           "8300 Series Dual 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           0x243,
 164           "8300 Series Single 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           0x24a,
 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           0x246,
 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           0x252,
 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           0x26e,
 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           0x260,
 194           "8300 Series Dual 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           0x266,
 200           "8300 Series Single 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           0x269,
 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           PCI_VENDOR_ID_QLOGIC,
 211           0x271,
 212           "8300 Series Dual Port 10GbE Converged Network Adapter "
 213           "(TCP/IP Networking)" },
 214         { PCI_VENDOR_ID_QLOGIC,
 215           PCI_DEVICE_ID_QLOGIC_QLE834X,
 216           0x0, 0x0, "8300 Series 1/10GbE Controller" },
 217         { PCI_VENDOR_ID_QLOGIC,
 218           PCI_DEVICE_ID_QLOGIC_QLE824X,
 219           PCI_VENDOR_ID_QLOGIC,
 220           0x203,
 221           "8200 Series Single 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           0x207,
 227           "8200 Series Dual Port 10GbE Converged Network Adapter"
 228           "(TCP/IP Networking)" },
 229         { PCI_VENDOR_ID_QLOGIC,
 230           PCI_DEVICE_ID_QLOGIC_QLE824X,
 231           PCI_VENDOR_ID_QLOGIC,
 232           0x20b,
 233           "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
 234         { PCI_VENDOR_ID_QLOGIC,
 235           PCI_DEVICE_ID_QLOGIC_QLE824X,
 236           PCI_VENDOR_ID_QLOGIC,
 237           0x20c,
 238           "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
 239         { PCI_VENDOR_ID_QLOGIC,
 240           PCI_DEVICE_ID_QLOGIC_QLE824X,
 241           PCI_VENDOR_ID_QLOGIC,
 242           0x20f,
 243           "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
 244         { PCI_VENDOR_ID_QLOGIC,
 245           PCI_DEVICE_ID_QLOGIC_QLE824X,
 246           0x103c, 0x3733,
 247           "NC523SFP 10Gb 2-port Server Adapter" },
 248         { PCI_VENDOR_ID_QLOGIC,
 249           PCI_DEVICE_ID_QLOGIC_QLE824X,
 250           0x103c, 0x3346,
 251           "CN1000Q Dual Port Converged Network Adapter" },
 252         { PCI_VENDOR_ID_QLOGIC,
 253           PCI_DEVICE_ID_QLOGIC_QLE824X,
 254           PCI_VENDOR_ID_QLOGIC,
 255           0x210,
 256           "QME8242-k 10GbE Dual Port Mezzanine Card" },
 257         { PCI_VENDOR_ID_QLOGIC,
 258           PCI_DEVICE_ID_QLOGIC_QLE824X,
 259           0x0, 0x0, "cLOM8214 1/10GbE Controller" },
 260 };
 261
 262 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
 263 #define QLC_MAX_SDS_RINGS       8
 264
 265 static const
 266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 267
 268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 269 {
 270         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 271
 272         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 273
 274         return recv_ctx->sds_rings == NULL;
 275 }
 276
 277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 278 {
 279         if (recv_ctx->sds_rings != NULL)
 280                 kfree(recv_ctx->sds_rings);
 281
 282         recv_ctx->sds_rings = NULL;
 283 }
 284
 285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 286 {
 287         u8 mac_addr[ETH_ALEN];
 288         struct net_device *netdev = adapter->netdev;
 289         struct pci_dev *pdev = adapter->pdev;
 290
 291         if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
 292                 return -EIO;
 293
 294         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 295         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 296
 297         /* set station address */
 298
 299         if (!is_valid_ether_addr(netdev->dev_addr))
 300                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 301                                         netdev->dev_addr);
 302
 303         return 0;
 304 }
 305
 306 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
 307 {
 308         struct qlcnic_mac_list_s *cur;
 309         struct list_head *head;
 310
 311         list_for_each(head, &adapter->mac_list) {
 312                 cur = list_entry(head, struct qlcnic_mac_list_s, list);
 313                 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
 314                         qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
 315                                                   0, QLCNIC_MAC_DEL);
 316                         list_del(&cur->list);
 317                         kfree(cur);
 318                         return;
 319                 }
 320         }
 321 }
 322
 323 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 324 {
 325         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 326         struct sockaddr *addr = p;
 327
 328         if (qlcnic_sriov_vf_check(adapter))
 329                 return -EINVAL;
 330
 331         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 332                 return -EOPNOTSUPP;
 333
 334         if (!is_valid_ether_addr(addr->sa_data))
 335                 return -EINVAL;
 336
 337         if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
 338                 return 0;
 339
 340         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 341                 netif_device_detach(netdev);
 342                 qlcnic_napi_disable(adapter);
 343         }
 344
 345         qlcnic_delete_adapter_mac(adapter);
 346         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 347         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 348         qlcnic_set_multi(adapter->netdev);
 349
 350         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 351                 netif_device_attach(netdev);
 352                 qlcnic_napi_enable(adapter);
 353         }
 354         return 0;
 355 }
 356
 357 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 358                         struct net_device *netdev, const unsigned char *addr)
 359 {
 360         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 361         int err = -EOPNOTSUPP;
 362
 363         if (!adapter->fdb_mac_learn)
 364                 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
 365
 366         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 367                 if (is_unicast_ether_addr(addr))
 368                         err = qlcnic_nic_del_mac(adapter, addr);
 369                 else if (is_multicast_ether_addr(addr))
 370                         err = dev_mc_del(netdev, addr);
 371                 else
 372                         err =  -EINVAL;
 373         }
 374         return err;
 375 }
 376
 377 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 378                         struct net_device *netdev,
 379                         const unsigned char *addr, u16 flags)
 380 {
 381         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 382         int err = 0;
 383
 384         if (!adapter->fdb_mac_learn)
 385                 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
 386
 387         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 388                 pr_info("%s: FDB e-switch is not enabled\n", __func__);
 389                 return -EOPNOTSUPP;
 390         }
 391
 392         if (ether_addr_equal(addr, adapter->mac_addr))
 393                 return err;
 394
 395         if (is_unicast_ether_addr(addr))
 396                 err = qlcnic_nic_add_mac(adapter, addr, 0);
 397         else if (is_multicast_ether_addr(addr))
 398                 err = dev_mc_add_excl(netdev, addr);
 399         else
 400                 err = -EINVAL;
 401
 402         return err;
 403 }
 404
 405 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
 406                         struct net_device *netdev, int idx)
 407 {
 408         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 409
 410         if (!adapter->fdb_mac_learn)
 411                 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 412
 413         if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
 414                 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 415
 416         return idx;
 417 }
 418
 419 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
 420 {
 421         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 422                 usleep_range(10000, 11000);
 423
 424         cancel_delayed_work_sync(&adapter->fw_work);
 425 }
 426
 427 static const struct net_device_ops qlcnic_netdev_ops = {
 428         .ndo_open          = qlcnic_open,
 429         .ndo_stop          = qlcnic_close,
 430         .ndo_start_xmit    = qlcnic_xmit_frame,
 431         .ndo_get_stats     = qlcnic_get_stats,
 432         .ndo_validate_addr = eth_validate_addr,
 433         .ndo_set_rx_mode   = qlcnic_set_multi,
 434         .ndo_set_mac_address    = qlcnic_set_mac,
 435         .ndo_change_mtu    = qlcnic_change_mtu,
 436         .ndo_fix_features  = qlcnic_fix_features,
 437         .ndo_set_features  = qlcnic_set_features,
 438         .ndo_tx_timeout    = qlcnic_tx_timeout,
 439         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 440         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 441         .ndo_fdb_add            = qlcnic_fdb_add,
 442         .ndo_fdb_del            = qlcnic_fdb_del,
 443         .ndo_fdb_dump           = qlcnic_fdb_dump,
 444 #ifdef CONFIG_NET_POLL_CONTROLLER
 445         .ndo_poll_controller = qlcnic_poll_controller,
 446 #endif
 447 #ifdef CONFIG_QLCNIC_SRIOV
 448         .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
 449         .ndo_set_vf_tx_rate     = qlcnic_sriov_set_vf_tx_rate,
 450         .ndo_get_vf_config      = qlcnic_sriov_get_vf_config,
 451         .ndo_set_vf_vlan        = qlcnic_sriov_set_vf_vlan,
 452 #endif
 453 };
 454
 455 static const struct net_device_ops qlcnic_netdev_failed_ops = {
 456         .ndo_open          = qlcnic_open,
 457 };
 458
 459 static struct qlcnic_nic_template qlcnic_ops = {
 460         .config_bridged_mode    = qlcnic_config_bridged_mode,
 461         .config_led             = qlcnic_82xx_config_led,
 462         .start_firmware         = qlcnic_82xx_start_firmware,
 463         .request_reset          = qlcnic_82xx_dev_request_reset,
 464         .cancel_idc_work        = qlcnic_82xx_cancel_idc_work,
 465         .napi_add               = qlcnic_82xx_napi_add,
 466         .napi_del               = qlcnic_82xx_napi_del,
 467         .config_ipaddr          = qlcnic_82xx_config_ipaddr,
 468         .clear_legacy_intr      = qlcnic_82xx_clear_legacy_intr,
 469 };
 470
 471 struct qlcnic_nic_template qlcnic_vf_ops = {
 472         .config_bridged_mode    = qlcnicvf_config_bridged_mode,
 473         .config_led             = qlcnicvf_config_led,
 474         .start_firmware         = qlcnicvf_start_firmware
 475 };
 476
 477 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
 478         .read_crb                       = qlcnic_82xx_read_crb,
 479         .write_crb                      = qlcnic_82xx_write_crb,
 480         .read_reg                       = qlcnic_82xx_hw_read_wx_2M,
 481         .write_reg                      = qlcnic_82xx_hw_write_wx_2M,
 482         .get_mac_address                = qlcnic_82xx_get_mac_address,
 483         .setup_intr                     = qlcnic_82xx_setup_intr,
 484         .alloc_mbx_args                 = qlcnic_82xx_alloc_mbx_args,
 485         .mbx_cmd                        = qlcnic_82xx_issue_cmd,
 486         .get_func_no                    = qlcnic_82xx_get_func_no,
 487         .api_lock                       = qlcnic_82xx_api_lock,
 488         .api_unlock                     = qlcnic_82xx_api_unlock,
 489         .add_sysfs                      = qlcnic_82xx_add_sysfs,
 490         .remove_sysfs                   = qlcnic_82xx_remove_sysfs,
 491         .process_lb_rcv_ring_diag       = qlcnic_82xx_process_rcv_ring_diag,
 492         .create_rx_ctx                  = qlcnic_82xx_fw_cmd_create_rx_ctx,
 493         .create_tx_ctx                  = qlcnic_82xx_fw_cmd_create_tx_ctx,
 494         .del_rx_ctx                     = qlcnic_82xx_fw_cmd_del_rx_ctx,
 495         .del_tx_ctx                     = qlcnic_82xx_fw_cmd_del_tx_ctx,
 496         .setup_link_event               = qlcnic_82xx_linkevent_request,
 497         .get_nic_info                   = qlcnic_82xx_get_nic_info,
 498         .get_pci_info                   = qlcnic_82xx_get_pci_info,
 499         .set_nic_info                   = qlcnic_82xx_set_nic_info,
 500         .change_macvlan                 = qlcnic_82xx_sre_macaddr_change,
 501         .napi_enable                    = qlcnic_82xx_napi_enable,
 502         .napi_disable                   = qlcnic_82xx_napi_disable,
 503         .config_intr_coal               = qlcnic_82xx_config_intr_coalesce,
 504         .config_rss                     = qlcnic_82xx_config_rss,
 505         .config_hw_lro                  = qlcnic_82xx_config_hw_lro,
 506         .config_loopback                = qlcnic_82xx_set_lb_mode,
 507         .clear_loopback                 = qlcnic_82xx_clear_lb_mode,
 508         .config_promisc_mode            = qlcnic_82xx_nic_set_promisc,
 509         .change_l2_filter               = qlcnic_82xx_change_filter,
 510         .get_board_info                 = qlcnic_82xx_get_board_info,
 511         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 512 };
 513
 514 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 515 {
 516         struct pci_dev *pdev = adapter->pdev;
 517         int err = -1, i;
 518         int max_tx_rings, tx_vector;
 519
 520         if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
 521                 max_tx_rings = 0;
 522                 tx_vector = 0;
 523         } else {
 524                 max_tx_rings = adapter->max_drv_tx_rings;
 525                 tx_vector = 1;
 526         }
 527
 528         if (!adapter->msix_entries) {
 529                 adapter->msix_entries = kcalloc(num_msix,
 530                                                 sizeof(struct msix_entry),
 531                                                 GFP_KERNEL);
 532                 if (!adapter->msix_entries)
 533                         return -ENOMEM;
 534         }
 535
 536         adapter->max_sds_rings = 1;
 537         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 538
 539         if (adapter->ahw->msix_supported) {
 540  enable_msix:
 541                 for (i = 0; i < num_msix; i++)
 542                         adapter->msix_entries[i].entry = i;
 543                 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
 544                 if (err == 0) {
 545                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 546                         if (qlcnic_83xx_check(adapter)) {
 547                                 adapter->ahw->num_msix = num_msix;
 548                                 /* subtract mail box and tx ring vectors */
 549                                 adapter->max_sds_rings = num_msix -
 550                                                          max_tx_rings - 1;
 551                         } else {
 552                                 adapter->max_sds_rings = num_msix;
 553                         }
 554                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 555                         return err;
 556                 } else if (err > 0) {
 557                         dev_info(&pdev->dev,
 558                                  "Unable to allocate %d MSI-X interrupt vectors\n",
 559                                  num_msix);
 560                         if (qlcnic_83xx_check(adapter)) {
 561                                 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
 562                                         return err;
 563                                 err -= (max_tx_rings + 1);
 564                                 num_msix = rounddown_pow_of_two(err);
 565                                 num_msix += (max_tx_rings + 1);
 566                         } else {
 567                                 num_msix = rounddown_pow_of_two(err);
 568                         }
 569
 570                         if (num_msix) {
 571                                 dev_info(&pdev->dev,
 572                                          "Trying to allocate %d MSI-X interrupt vectors\n",
 573                                          num_msix);
 574                                 goto enable_msix;
 575                         }
 576                 } else {
 577                         dev_info(&pdev->dev,
 578                                  "Unable to allocate %d MSI-X interrupt vectors\n",
 579                                  num_msix);
 580                 }
 581         }
 582
 583         return err;
 584 }
 585
 586 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 587 {
 588         int err = 0;
 589         u32 offset, mask_reg;
 590         const struct qlcnic_legacy_intr_set *legacy_intrp;
 591         struct qlcnic_hardware_context *ahw = adapter->ahw;
 592         struct pci_dev *pdev = adapter->pdev;
 593
 594         if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
 595                 adapter->flags |= QLCNIC_MSI_ENABLED;
 596                 offset = msi_tgt_status[adapter->ahw->pci_func];
 597                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
 598                                                             offset);
 599                 dev_info(&pdev->dev, "using msi interrupts\n");
 600                 adapter->msix_entries[0].vector = pdev->irq;
 601                 return err;
 602         }
 603         if (qlcnic_use_msi || qlcnic_use_msi_x)
 604                 return -EOPNOTSUPP;
 605
 606         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 607         adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
 608         offset = legacy_intrp->tgt_status_reg;
 609         adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
 610         mask_reg = legacy_intrp->tgt_mask_reg;
 611         adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
 612         adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
 613         adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
 614         dev_info(&pdev->dev, "using legacy interrupts\n");
 615         adapter->msix_entries[0].vector = pdev->irq;
 616         return err;
 617 }
 618
 619 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
 620 {
 621         int num_msix, err = 0;
 622
 623         if (!num_intr)
 624                 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
 625
 626         if (adapter->ahw->msix_supported)
 627                 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 628                                                 num_intr));
 629         else
 630                 num_msix = 1;
 631
 632         err = qlcnic_enable_msix(adapter, num_msix);
 633         if (err == -ENOMEM || !err)
 634                 return err;
 635
 636         err = qlcnic_enable_msi_legacy(adapter);
 637         if (!err)
 638                 return err;
 639
 640         return -EIO;
 641 }
 642
 643 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 644 {
 645         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 646                 pci_disable_msix(adapter->pdev);
 647         if (adapter->flags & QLCNIC_MSI_ENABLED)
 648                 pci_disable_msi(adapter->pdev);
 649
 650         kfree(adapter->msix_entries);
 651         adapter->msix_entries = NULL;
 652
 653         if (adapter->ahw->intr_tbl) {
 654                 vfree(adapter->ahw->intr_tbl);
 655                 adapter->ahw->intr_tbl = NULL;
 656         }
 657 }
 658
 659 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 660 {
 661         if (ahw->pci_base0 != NULL)
 662                 iounmap(ahw->pci_base0);
 663 }
 664
 665 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 666 {
 667         struct qlcnic_pci_info *pci_info;
 668         int ret;
 669
 670         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 671                 switch (adapter->ahw->port_type) {
 672                 case QLCNIC_GBE:
 673                         adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
 674                         break;
 675                 case QLCNIC_XGBE:
 676                         adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
 677                         break;
 678                 }
 679                 return 0;
 680         }
 681
 682         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
 683                 return 0;
 684
 685         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 686         if (!pci_info)
 687                 return -ENOMEM;
 688
 689         ret = qlcnic_get_pci_info(adapter, pci_info);
 690         kfree(pci_info);
 691         return ret;
 692 }
 693
 694 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 695 {
 696         struct qlcnic_pci_info *pci_info;
 697         int i, ret = 0, j = 0;
 698         u16 act_pci_func;
 699         u8 pfn;
 700
 701         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 702         if (!pci_info)
 703                 return -ENOMEM;
 704
 705         ret = qlcnic_get_pci_info(adapter, pci_info);
 706         if (ret)
 707                 goto err_pci_info;
 708
 709         act_pci_func = adapter->ahw->act_pci_func;
 710
 711         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
 712                                  act_pci_func, GFP_KERNEL);
 713         if (!adapter->npars) {
 714                 ret = -ENOMEM;
 715                 goto err_pci_info;
 716         }
 717
 718         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
 719                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
 720         if (!adapter->eswitch) {
 721                 ret = -ENOMEM;
 722                 goto err_npars;
 723         }
 724
 725         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 726                 pfn = pci_info[i].id;
 727
 728                 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
 729                         ret = QL_STATUS_INVALID_PARAM;
 730                         goto err_eswitch;
 731                 }
 732
 733                 if (!pci_info[i].active ||
 734                     (pci_info[i].type != QLCNIC_TYPE_NIC))
 735                         continue;
 736
 737                 adapter->npars[j].pci_func = pfn;
 738                 adapter->npars[j].active = (u8)pci_info[i].active;
 739                 adapter->npars[j].type = (u8)pci_info[i].type;
 740                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
 741                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
 742                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
 743                 j++;
 744         }
 745
 746         for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
 747                 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
 748                 if (qlcnic_83xx_check(adapter))
 749                         qlcnic_enable_eswitch(adapter, i, 1);
 750         }
 751
 752         kfree(pci_info);
 753         return 0;
 754
 755 err_eswitch:
 756         kfree(adapter->eswitch);
 757         adapter->eswitch = NULL;
 758 err_npars:
 759         kfree(adapter->npars);
 760         adapter->npars = NULL;
 761 err_pci_info:
 762         kfree(pci_info);
 763
 764         return ret;
 765 }
 766
 767 static int
 768 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
 769 {
 770         u8 id;
 771         int i, ret = 1;
 772         u32 data = QLCNIC_MGMT_FUNC;
 773         struct qlcnic_hardware_context *ahw = adapter->ahw;
 774
 775         ret = qlcnic_api_lock(adapter);
 776         if (ret)
 777                 goto err_lock;
 778
 779         if (qlcnic_config_npars) {
 780                 for (i = 0; i < ahw->act_pci_func; i++) {
 781                         id = adapter->npars[i].pci_func;
 782                         if (id == ahw->pci_func)
 783                                 continue;
 784                         data |= (qlcnic_config_npars &
 785                                         QLC_DEV_SET_DRV(0xf, id));
 786                 }
 787         } else {
 788                 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
 789                 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
 790                         (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
 791                                          ahw->pci_func));
 792         }
 793         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
 794         qlcnic_api_unlock(adapter);
 795 err_lock:
 796         return ret;
 797 }
 798
 799 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
 800                             const struct pci_device_id *ent)
 801 {
 802         u32 op_mode, priv_level;
 803
 804         /* Determine FW API version */
 805         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
 806                                                            QLCNIC_FW_API);
 807
 808         /* Find PCI function number */
 809         qlcnic_get_func_no(adapter);
 810
 811         /* Determine function privilege level */
 812         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
 813         if (op_mode == QLC_DEV_DRV_DEFAULT)
 814                 priv_level = QLCNIC_MGMT_FUNC;
 815         else
 816                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
 817
 818         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
 819                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
 820                 dev_info(&adapter->pdev->dev,
 821                         "HAL Version: %d Non Privileged function\n",
 822                          adapter->ahw->fw_hal_version);
 823                 adapter->nic_ops = &qlcnic_vf_ops;
 824         } else
 825                 adapter->nic_ops = &qlcnic_ops;
 826 }
 827
 828 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
 829 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
 830 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
 831 {
 832         switch (dev_id) {
 833         case PCI_DEVICE_ID_QLOGIC_QLE824X:
 834                 *bar = QLCNIC_82XX_BAR0_LENGTH;
 835                 break;
 836         case PCI_DEVICE_ID_QLOGIC_QLE834X:
 837         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
 838                 *bar = QLCNIC_83XX_BAR0_LENGTH;
 839                 break;
 840         default:
 841                 *bar = 0;
 842         }
 843 }
 844
 845 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
 846                                 struct qlcnic_hardware_context *ahw)
 847 {
 848         u32 offset;
 849         void __iomem *mem_ptr0 = NULL;
 850         unsigned long mem_len, pci_len0 = 0, bar0_len;
 851
 852         /* remap phys address */
 853         mem_len = pci_resource_len(pdev, 0);
 854
 855         qlcnic_get_bar_length(pdev->device, &bar0_len);
 856         if (mem_len >= bar0_len) {
 857
 858                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
 859                 if (mem_ptr0 == NULL) {
 860                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
 861                         return -EIO;
 862                 }
 863                 pci_len0 = mem_len;
 864         } else {
 865                 return -EIO;
 866         }
 867
 868         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
 869
 870         ahw->pci_base0 = mem_ptr0;
 871         ahw->pci_len0 = pci_len0;
 872         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
 873         qlcnic_get_ioaddr(ahw, offset);
 874
 875         return 0;
 876 }
 877
 878 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
 879 {
 880         struct pci_dev *pdev = adapter->pdev;
 881         int i, found = 0;
 882
 883         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
 884                 if (qlcnic_boards[i].vendor == pdev->vendor &&
 885                         qlcnic_boards[i].device == pdev->device &&
 886                         qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
 887                         qlcnic_boards[i].sub_device == pdev->subsystem_device) {
 888                                 sprintf(name, "%pM: %s" ,
 889                                         adapter->mac_addr,
 890                                         qlcnic_boards[i].short_name);
 891                                 found = 1;
 892                                 break;
 893                 }
 894
 895         }
 896
 897         if (!found)
 898                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
 899 }
 900
 901 static void
 902 qlcnic_check_options(struct qlcnic_adapter *adapter)
 903 {
 904         int err;
 905         u32 fw_major, fw_minor, fw_build, prev_fw_version;
 906         struct pci_dev *pdev = adapter->pdev;
 907         struct qlcnic_hardware_context *ahw = adapter->ahw;
 908         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
 909
 910         prev_fw_version = adapter->fw_version;
 911
 912         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
 913         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
 914         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
 915
 916         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
 917
 918         err = qlcnic_get_board_info(adapter);
 919         if (err) {
 920                 dev_err(&pdev->dev, "Error getting board config info.\n");
 921                 return;
 922         }
 923         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
 924                 if (fw_dump->tmpl_hdr == NULL ||
 925                                 adapter->fw_version > prev_fw_version) {
 926                         if (fw_dump->tmpl_hdr)
 927                                 vfree(fw_dump->tmpl_hdr);
 928                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
 929                                 dev_info(&pdev->dev,
 930                                         "Supports FW dump capability\n");
 931                 }
 932         }
 933
 934         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
 935                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
 936
 937         if (adapter->ahw->port_type == QLCNIC_XGBE) {
 938                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 939                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
 940                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
 941                 } else {
 942                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
 943                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
 944                 }
 945
 946                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 947                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 948
 949         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
 950                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
 951                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 952                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 953                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
 954         }
 955
 956         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
 957
 958         adapter->num_txd = MAX_CMD_DESCRIPTORS;
 959
 960         adapter->max_rds_rings = MAX_RDS_RINGS;
 961 }
 962
 963 static int
 964 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
 965 {
 966         int err;
 967         struct qlcnic_info nic_info;
 968
 969         memset(&nic_info, 0, sizeof(struct qlcnic_info));
 970         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
 971         if (err)
 972                 return err;
 973
 974         adapter->ahw->physical_port = (u8)nic_info.phys_port;
 975         adapter->ahw->switch_mode = nic_info.switch_mode;
 976         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
 977         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
 978         adapter->ahw->capabilities = nic_info.capabilities;
 979
 980         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
 981                 u32 temp;
 982                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
 983                 adapter->ahw->capabilities2 = temp;
 984         }
 985         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
 986         adapter->ahw->max_mtu = nic_info.max_mtu;
 987
 988         /* Disable NPAR for 83XX */
 989         if (qlcnic_83xx_check(adapter))
 990                 return err;
 991
 992         if (adapter->ahw->capabilities & BIT_6)
 993                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
 994         else
 995                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
 996
 997         return err;
 998 }
 999
1000 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1001                             struct qlcnic_esw_func_cfg *esw_cfg)
1002 {
1003         if (esw_cfg->discard_tagged)
1004                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1005         else
1006                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1007
1008         if (esw_cfg->vlan_id) {
1009                 adapter->rx_pvid = esw_cfg->vlan_id;
1010                 adapter->tx_pvid = esw_cfg->vlan_id;
1011         } else {
1012                 adapter->rx_pvid = 0;
1013                 adapter->tx_pvid = 0;
1014         }
1015 }
1016
1017 static int
1018 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1019 {
1020         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1021         int err;
1022
1023         if (qlcnic_sriov_vf_check(adapter)) {
1024                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1025                 if (err) {
1026                         netdev_err(netdev,
1027                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1028                                    vid, err);
1029                         return err;
1030                 }
1031         }
1032
1033         set_bit(vid, adapter->vlans);
1034         return 0;
1035 }
1036
1037 static int
1038 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1039 {
1040         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1041         int err;
1042
1043         if (qlcnic_sriov_vf_check(adapter)) {
1044                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1045                 if (err) {
1046                         netdev_err(netdev,
1047                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1048                                    vid, err);
1049                         return err;
1050                 }
1051         }
1052
1053         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1054         clear_bit(vid, adapter->vlans);
1055         return 0;
1056 }
1057
1058 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1059                                       struct qlcnic_esw_func_cfg *esw_cfg)
1060 {
1061         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1062                                 QLCNIC_PROMISC_DISABLED);
1063
1064         if (esw_cfg->mac_anti_spoof)
1065                 adapter->flags |= QLCNIC_MACSPOOF;
1066
1067         if (!esw_cfg->mac_override)
1068                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1069
1070         if (!esw_cfg->promisc_mode)
1071                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1072 }
1073
1074 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1075 {
1076         struct qlcnic_esw_func_cfg esw_cfg;
1077
1078         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1079                 return 0;
1080
1081         esw_cfg.pci_func = adapter->ahw->pci_func;
1082         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1083                         return -EIO;
1084         qlcnic_set_vlan_config(adapter, &esw_cfg);
1085         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1086         qlcnic_set_netdev_features(adapter, &esw_cfg);
1087
1088         return 0;
1089 }
1090
1091 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1092                                 struct qlcnic_esw_func_cfg *esw_cfg)
1093 {
1094         struct net_device *netdev = adapter->netdev;
1095
1096         if (qlcnic_83xx_check(adapter))
1097                 return;
1098
1099         adapter->offload_flags = esw_cfg->offload_flags;
1100         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1101         netdev_update_features(netdev);
1102         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1103 }
1104
1105 static int
1106 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1107 {
1108         u32 op_mode, priv_level;
1109         int err = 0;
1110
1111         err = qlcnic_initialize_nic(adapter);
1112         if (err)
1113                 return err;
1114
1115         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1116                 return 0;
1117
1118         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1119         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1120
1121         if (op_mode == QLC_DEV_DRV_DEFAULT)
1122                 priv_level = QLCNIC_MGMT_FUNC;
1123         else
1124                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1125
1126         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1127                 if (priv_level == QLCNIC_MGMT_FUNC) {
1128                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1129                         err = qlcnic_init_pci_info(adapter);
1130                         if (err)
1131                                 return err;
1132                         /* Set privilege level for other functions */
1133                         qlcnic_set_function_modes(adapter);
1134                         dev_info(&adapter->pdev->dev,
1135                                 "HAL Version: %d, Management function\n",
1136                                  adapter->ahw->fw_hal_version);
1137                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1138                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1139                         dev_info(&adapter->pdev->dev,
1140                                 "HAL Version: %d, Privileged function\n",
1141                                  adapter->ahw->fw_hal_version);
1142                 }
1143         }
1144
1145         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1146
1147         return err;
1148 }
1149
1150 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1151 {
1152         struct qlcnic_esw_func_cfg esw_cfg;
1153         struct qlcnic_npar_info *npar;
1154         u8 i;
1155
1156         if (adapter->need_fw_reset)
1157                 return 0;
1158
1159         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1160                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1161                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1162                 esw_cfg.mac_override = BIT_0;
1163                 esw_cfg.promisc_mode = BIT_0;
1164                 if (qlcnic_82xx_check(adapter)) {
1165                         esw_cfg.offload_flags = BIT_0;
1166                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1167                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1168                 }
1169                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1170                         return -EIO;
1171                 npar = &adapter->npars[i];
1172                 npar->pvid = esw_cfg.vlan_id;
1173                 npar->mac_override = esw_cfg.mac_override;
1174                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1175                 npar->discard_tagged = esw_cfg.discard_tagged;
1176                 npar->promisc_mode = esw_cfg.promisc_mode;
1177                 npar->offload_flags = esw_cfg.offload_flags;
1178         }
1179
1180         return 0;
1181 }
1182
1183
1184 static int
1185 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1186                         struct qlcnic_npar_info *npar, int pci_func)
1187 {
1188         struct qlcnic_esw_func_cfg esw_cfg;
1189         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1190         esw_cfg.pci_func = pci_func;
1191         esw_cfg.vlan_id = npar->pvid;
1192         esw_cfg.mac_override = npar->mac_override;
1193         esw_cfg.discard_tagged = npar->discard_tagged;
1194         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1195         esw_cfg.offload_flags = npar->offload_flags;
1196         esw_cfg.promisc_mode = npar->promisc_mode;
1197         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1198                 return -EIO;
1199
1200         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1201         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1202                 return -EIO;
1203
1204         return 0;
1205 }
1206
1207 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1208 {
1209         int i, err;
1210         struct qlcnic_npar_info *npar;
1211         struct qlcnic_info nic_info;
1212         u8 pci_func;
1213
1214         if (qlcnic_82xx_check(adapter))
1215                 if (!adapter->need_fw_reset)
1216                         return 0;
1217
1218         /* Set the NPAR config data after FW reset */
1219         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1220                 npar = &adapter->npars[i];
1221                 pci_func = npar->pci_func;
1222                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1223                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1224                 if (err)
1225                         return err;
1226                 nic_info.min_tx_bw = npar->min_bw;
1227                 nic_info.max_tx_bw = npar->max_bw;
1228                 err = qlcnic_set_nic_info(adapter, &nic_info);
1229                 if (err)
1230                         return err;
1231
1232                 if (npar->enable_pm) {
1233                         err = qlcnic_config_port_mirroring(adapter,
1234                                                            npar->dest_npar, 1,
1235                                                            pci_func);
1236                         if (err)
1237                                 return err;
1238                 }
1239                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1240                 if (err)
1241                         return err;
1242         }
1243         return 0;
1244 }
1245
1246 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1247 {
1248         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1249         u32 npar_state;
1250
1251         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1252                 return 0;
1253
1254         npar_state = QLC_SHARED_REG_RD32(adapter,
1255                                          QLCNIC_CRB_DEV_NPAR_STATE);
1256         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1257                 msleep(1000);
1258                 npar_state = QLC_SHARED_REG_RD32(adapter,
1259                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1260         }
1261         if (!npar_opt_timeo) {
1262                 dev_err(&adapter->pdev->dev,
1263                         "Waiting for NPAR state to operational timeout\n");
1264                 return -EIO;
1265         }
1266         return 0;
1267 }
1268
1269 static int
1270 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1271 {
1272         int err;
1273
1274         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1275             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1276                 return 0;
1277
1278         err = qlcnic_set_default_offload_settings(adapter);
1279         if (err)
1280                 return err;
1281
1282         err = qlcnic_reset_npar_config(adapter);
1283         if (err)
1284                 return err;
1285
1286         qlcnic_dev_set_npar_ready(adapter);
1287
1288         return err;
1289 }
1290
1291 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1292 {
1293         int err;
1294
1295         err = qlcnic_can_start_firmware(adapter);
1296         if (err < 0)
1297                 return err;
1298         else if (!err)
1299                 goto check_fw_status;
1300
1301         if (qlcnic_load_fw_file)
1302                 qlcnic_request_firmware(adapter);
1303         else {
1304                 err = qlcnic_check_flash_fw_ver(adapter);
1305                 if (err)
1306                         goto err_out;
1307
1308                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1309         }
1310
1311         err = qlcnic_need_fw_reset(adapter);
1312         if (err == 0)
1313                 goto check_fw_status;
1314
1315         err = qlcnic_pinit_from_rom(adapter);
1316         if (err)
1317                 goto err_out;
1318
1319         err = qlcnic_load_firmware(adapter);
1320         if (err)
1321                 goto err_out;
1322
1323         qlcnic_release_firmware(adapter);
1324         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1325
1326 check_fw_status:
1327         err = qlcnic_check_fw_status(adapter);
1328         if (err)
1329                 goto err_out;
1330
1331         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1332         qlcnic_idc_debug_info(adapter, 1);
1333         err = qlcnic_check_eswitch_mode(adapter);
1334         if (err) {
1335                 dev_err(&adapter->pdev->dev,
1336                         "Memory allocation failed for eswitch\n");
1337                 goto err_out;
1338         }
1339         err = qlcnic_set_mgmt_operations(adapter);
1340         if (err)
1341                 goto err_out;
1342
1343         qlcnic_check_options(adapter);
1344         adapter->need_fw_reset = 0;
1345
1346         qlcnic_release_firmware(adapter);
1347         return 0;
1348
1349 err_out:
1350         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1351         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1352
1353         qlcnic_release_firmware(adapter);
1354         return err;
1355 }
1356
1357 static int
1358 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1359 {
1360         irq_handler_t handler;
1361         struct qlcnic_host_sds_ring *sds_ring;
1362         struct qlcnic_host_tx_ring *tx_ring;
1363         int err, ring, num_sds_rings;
1364
1365         unsigned long flags = 0;
1366         struct net_device *netdev = adapter->netdev;
1367         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1368
1369         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1370                 if (qlcnic_82xx_check(adapter))
1371                         handler = qlcnic_tmp_intr;
1372                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1373                         flags |= IRQF_SHARED;
1374
1375         } else {
1376                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1377                         handler = qlcnic_msix_intr;
1378                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1379                         handler = qlcnic_msi_intr;
1380                 else {
1381                         flags |= IRQF_SHARED;
1382                         if (qlcnic_82xx_check(adapter))
1383                                 handler = qlcnic_intr;
1384                         else
1385                                 handler = qlcnic_83xx_intr;
1386                 }
1387         }
1388         adapter->irq = netdev->irq;
1389
1390         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1391                 if (qlcnic_82xx_check(adapter) ||
1392                     (qlcnic_83xx_check(adapter) &&
1393                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1394                         num_sds_rings = adapter->max_sds_rings;
1395                         for (ring = 0; ring < num_sds_rings; ring++) {
1396                                 sds_ring = &recv_ctx->sds_rings[ring];
1397                                 if (qlcnic_82xx_check(adapter) &&
1398                                     (ring == (num_sds_rings - 1)))
1399                                         snprintf(sds_ring->name,
1400                                                  sizeof(sds_ring->name),
1401                                                  "qlcnic-%s[Tx0+Rx%d]",
1402                                                  netdev->name, ring);
1403                                 else
1404                                         snprintf(sds_ring->name,
1405                                                  sizeof(sds_ring->name),
1406                                                  "qlcnic-%s[Rx%d]",
1407                                                  netdev->name, ring);
1408                                 err = request_irq(sds_ring->irq, handler, flags,
1409                                                   sds_ring->name, sds_ring);
1410                                 if (err)
1411                                         return err;
1412                         }
1413                 }
1414                 if (qlcnic_83xx_check(adapter) &&
1415                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1416                     !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1417                         handler = qlcnic_msix_tx_intr;
1418                         for (ring = 0; ring < adapter->max_drv_tx_rings;
1419                              ring++) {
1420                                 tx_ring = &adapter->tx_ring[ring];
1421                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1422                                          "qlcnic-%s[Tx%d]", netdev->name, ring);
1423                                 err = request_irq(tx_ring->irq, handler, flags,
1424                                                   tx_ring->name, tx_ring);
1425                                 if (err)
1426                                         return err;
1427                         }
1428                 }
1429         }
1430         return 0;
1431 }
1432
1433 static void
1434 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1435 {
1436         int ring;
1437         struct qlcnic_host_sds_ring *sds_ring;
1438         struct qlcnic_host_tx_ring *tx_ring;
1439
1440         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1441
1442         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1443                 if (qlcnic_82xx_check(adapter) ||
1444                     (qlcnic_83xx_check(adapter) &&
1445                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1446                         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1447                                 sds_ring = &recv_ctx->sds_rings[ring];
1448                                 free_irq(sds_ring->irq, sds_ring);
1449                         }
1450                 }
1451                 if (qlcnic_83xx_check(adapter) &&
1452                     !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1453                         for (ring = 0; ring < adapter->max_drv_tx_rings;
1454                              ring++) {
1455                                 tx_ring = &adapter->tx_ring[ring];
1456                                 if (tx_ring->irq)
1457                                         free_irq(tx_ring->irq, tx_ring);
1458                         }
1459                 }
1460         }
1461 }
1462
1463 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1464 {
1465         u32 capab = 0;
1466
1467         if (qlcnic_82xx_check(adapter)) {
1468                 if (adapter->ahw->capabilities2 &
1469                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1470                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1471         } else {
1472                 capab = adapter->ahw->capabilities;
1473                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1474                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1475         }
1476 }
1477
1478 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1479 {
1480         int ring;
1481         struct qlcnic_host_rds_ring *rds_ring;
1482
1483         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1484                 return -EIO;
1485
1486         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1487                 return 0;
1488         if (qlcnic_set_eswitch_port_config(adapter))
1489                 return -EIO;
1490         qlcnic_get_lro_mss_capability(adapter);
1491
1492         if (qlcnic_fw_create_ctx(adapter))
1493                 return -EIO;
1494
1495         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1496                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1497                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1498         }
1499
1500         qlcnic_set_multi(netdev);
1501         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1502
1503         adapter->ahw->linkup = 0;
1504
1505         if (adapter->max_sds_rings > 1)
1506                 qlcnic_config_rss(adapter, 1);
1507
1508         qlcnic_config_intr_coalesce(adapter);
1509
1510         if (netdev->features & NETIF_F_LRO)
1511                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1512
1513         qlcnic_napi_enable(adapter);
1514
1515         qlcnic_linkevent_request(adapter, 1);
1516
1517         adapter->ahw->reset_context = 0;
1518         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1519         return 0;
1520 }
1521
1522 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1523 {
1524         int err = 0;
1525
1526         rtnl_lock();
1527         if (netif_running(netdev))
1528                 err = __qlcnic_up(adapter, netdev);
1529         rtnl_unlock();
1530
1531         return err;
1532 }
1533
1534 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1535 {
1536         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1537                 return;
1538
1539         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1540                 return;
1541
1542         if (qlcnic_sriov_vf_check(adapter))
1543                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1544         smp_mb();
1545         spin_lock(&adapter->tx_clean_lock);
1546         netif_carrier_off(netdev);
1547         adapter->ahw->linkup = 0;
1548         netif_tx_disable(netdev);
1549
1550         qlcnic_free_mac_list(adapter);
1551
1552         if (adapter->fhash.fnum)
1553                 qlcnic_delete_lb_filters(adapter);
1554
1555         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1556
1557         qlcnic_napi_disable(adapter);
1558
1559         qlcnic_fw_destroy_ctx(adapter);
1560         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1561
1562         qlcnic_reset_rx_buffers_list(adapter);
1563         qlcnic_release_tx_buffers(adapter);
1564         spin_unlock(&adapter->tx_clean_lock);
1565 }
1566
1567 /* Usage: During suspend and firmware recovery module */
1568
1569 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1570 {
1571         rtnl_lock();
1572         if (netif_running(netdev))
1573                 __qlcnic_down(adapter, netdev);
1574         rtnl_unlock();
1575
1576 }
1577
1578 int
1579 qlcnic_attach(struct qlcnic_adapter *adapter)
1580 {
1581         struct net_device *netdev = adapter->netdev;
1582         struct pci_dev *pdev = adapter->pdev;
1583         int err;
1584
1585         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1586                 return 0;
1587
1588         err = qlcnic_napi_add(adapter, netdev);
1589         if (err)
1590                 return err;
1591
1592         err = qlcnic_alloc_sw_resources(adapter);
1593         if (err) {
1594                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1595                 goto err_out_napi_del;
1596         }
1597
1598         err = qlcnic_alloc_hw_resources(adapter);
1599         if (err) {
1600                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1601                 goto err_out_free_sw;
1602         }
1603
1604         err = qlcnic_request_irq(adapter);
1605         if (err) {
1606                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1607                 goto err_out_free_hw;
1608         }
1609
1610         qlcnic_create_sysfs_entries(adapter);
1611
1612         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1613         return 0;
1614
1615 err_out_free_hw:
1616         qlcnic_free_hw_resources(adapter);
1617 err_out_free_sw:
1618         qlcnic_free_sw_resources(adapter);
1619 err_out_napi_del:
1620         qlcnic_napi_del(adapter);
1621         return err;
1622 }
1623
1624 void qlcnic_detach(struct qlcnic_adapter *adapter)
1625 {
1626         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1627                 return;
1628
1629         qlcnic_remove_sysfs_entries(adapter);
1630
1631         qlcnic_free_hw_resources(adapter);
1632         qlcnic_release_rx_buffers(adapter);
1633         qlcnic_free_irq(adapter);
1634         qlcnic_napi_del(adapter);
1635         qlcnic_free_sw_resources(adapter);
1636
1637         adapter->is_up = 0;
1638 }
1639
1640 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1641 {
1642         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1643         struct qlcnic_host_sds_ring *sds_ring;
1644         int ring;
1645
1646         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1647         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1648                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1649                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1650                         qlcnic_disable_int(sds_ring);
1651                 }
1652         }
1653
1654         qlcnic_fw_destroy_ctx(adapter);
1655
1656         qlcnic_detach(adapter);
1657
1658         adapter->ahw->diag_test = 0;
1659         adapter->max_sds_rings = max_sds_rings;
1660
1661         if (qlcnic_attach(adapter))
1662                 goto out;
1663
1664         if (netif_running(netdev))
1665                 __qlcnic_up(adapter, netdev);
1666 out:
1667         netif_device_attach(netdev);
1668 }
1669
1670 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1671 {
1672         struct qlcnic_hardware_context *ahw = adapter->ahw;
1673         int err = 0;
1674
1675         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1676                                 GFP_KERNEL);
1677         if (!adapter->recv_ctx) {
1678                 err = -ENOMEM;
1679                 goto err_out;
1680         }
1681         /* Initialize interrupt coalesce parameters */
1682         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1683         ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1684         ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1685         ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1686         if (qlcnic_83xx_check(adapter)) {
1687                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1688                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1689         }
1690         /* clear stats */
1691         memset(&adapter->stats, 0, sizeof(adapter->stats));
1692 err_out:
1693         return err;
1694 }
1695
1696 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1697 {
1698         kfree(adapter->recv_ctx);
1699         adapter->recv_ctx = NULL;
1700
1701         if (adapter->ahw->fw_dump.tmpl_hdr) {
1702                 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1703                 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1704         }
1705
1706         kfree(adapter->ahw->reset.buff);
1707         adapter->ahw->fw_dump.tmpl_hdr = NULL;
1708 }
1709
1710 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1711 {
1712         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1713         struct qlcnic_host_sds_ring *sds_ring;
1714         struct qlcnic_host_rds_ring *rds_ring;
1715         int ring;
1716         int ret;
1717
1718         netif_device_detach(netdev);
1719
1720         if (netif_running(netdev))
1721                 __qlcnic_down(adapter, netdev);
1722
1723         qlcnic_detach(adapter);
1724
1725         adapter->max_sds_rings = 1;
1726         adapter->ahw->diag_test = test;
1727         adapter->ahw->linkup = 0;
1728
1729         ret = qlcnic_attach(adapter);
1730         if (ret) {
1731                 netif_device_attach(netdev);
1732                 return ret;
1733         }
1734
1735         ret = qlcnic_fw_create_ctx(adapter);
1736         if (ret) {
1737                 qlcnic_detach(adapter);
1738                 netif_device_attach(netdev);
1739                 return ret;
1740         }
1741
1742         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1743                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1744                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1745         }
1746
1747         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1748                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1749                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1750                         qlcnic_enable_int(sds_ring);
1751                 }
1752         }
1753
1754         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1755                 adapter->ahw->loopback_state = 0;
1756                 qlcnic_linkevent_request(adapter, 1);
1757         }
1758
1759         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1760
1761         return 0;
1762 }
1763
1764 /* Reset context in hardware only */
1765 static int
1766 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1767 {
1768         struct net_device *netdev = adapter->netdev;
1769
1770         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1771                 return -EBUSY;
1772
1773         netif_device_detach(netdev);
1774
1775         qlcnic_down(adapter, netdev);
1776
1777         qlcnic_up(adapter, netdev);
1778
1779         netif_device_attach(netdev);
1780
1781         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1782         dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1783         return 0;
1784 }
1785
1786 int
1787 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1788 {
1789         int err = 0;
1790         struct net_device *netdev = adapter->netdev;
1791
1792         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1793                 return -EBUSY;
1794
1795         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1796
1797                 netif_device_detach(netdev);
1798
1799                 if (netif_running(netdev))
1800                         __qlcnic_down(adapter, netdev);
1801
1802                 qlcnic_detach(adapter);
1803
1804                 if (netif_running(netdev)) {
1805                         err = qlcnic_attach(adapter);
1806                         if (!err) {
1807                                 __qlcnic_up(adapter, netdev);
1808                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1809                         }
1810                 }
1811
1812                 netif_device_attach(netdev);
1813         }
1814
1815         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1816         return err;
1817 }
1818
1819 int
1820 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1821                     int pci_using_dac)
1822 {
1823         int err;
1824         struct pci_dev *pdev = adapter->pdev;
1825
1826         adapter->rx_csum = 1;
1827         adapter->ahw->mc_enabled = 0;
1828         adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1829
1830         netdev->netdev_ops         = &qlcnic_netdev_ops;
1831         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
1832
1833         qlcnic_change_mtu(netdev, netdev->mtu);
1834
1835         if (qlcnic_sriov_vf_check(adapter))
1836                 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1837         else
1838                 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1839
1840         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1841                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1842                              NETIF_F_HW_VLAN_CTAG_RX);
1843         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1844                                   NETIF_F_IPV6_CSUM);
1845
1846         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1847                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1848                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1849         }
1850
1851         if (pci_using_dac) {
1852                 netdev->features |= NETIF_F_HIGHDMA;
1853                 netdev->vlan_features |= NETIF_F_HIGHDMA;
1854         }
1855
1856         if (qlcnic_vlan_tx_check(adapter))
1857                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
1858
1859         if (qlcnic_sriov_vf_check(adapter))
1860                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1861
1862         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1863                 netdev->features |= NETIF_F_LRO;
1864
1865         netdev->hw_features = netdev->features;
1866         netdev->irq = adapter->msix_entries[0].vector;
1867
1868         err = register_netdev(netdev);
1869         if (err) {
1870                 dev_err(&pdev->dev, "failed to register net device\n");
1871                 return err;
1872         }
1873
1874         return 0;
1875 }
1876
1877 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1878 {
1879         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1880                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1881                 *pci_using_dac = 1;
1882         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1883                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1884                 *pci_using_dac = 0;
1885         else {
1886                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1887                 return -EIO;
1888         }
1889
1890         return 0;
1891 }
1892
1893 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1894 {
1895         int ring;
1896         struct qlcnic_host_tx_ring *tx_ring;
1897
1898         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1899                 tx_ring = &adapter->tx_ring[ring];
1900                 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1901                         vfree(tx_ring->cmd_buf_arr);
1902                         tx_ring->cmd_buf_arr = NULL;
1903                 }
1904         }
1905         if (adapter->tx_ring != NULL)
1906                 kfree(adapter->tx_ring);
1907 }
1908
1909 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1910                           struct net_device *netdev)
1911 {
1912         int ring, vector, index;
1913         struct qlcnic_host_tx_ring *tx_ring;
1914         struct qlcnic_cmd_buffer *cmd_buf_arr;
1915
1916         tx_ring = kcalloc(adapter->max_drv_tx_rings,
1917                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1918         if (tx_ring == NULL)
1919                 return -ENOMEM;
1920
1921         adapter->tx_ring = tx_ring;
1922
1923         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1924                 tx_ring = &adapter->tx_ring[ring];
1925                 tx_ring->num_desc = adapter->num_txd;
1926                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1927                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1928                 if (cmd_buf_arr == NULL) {
1929                         qlcnic_free_tx_rings(adapter);
1930                         return -ENOMEM;
1931                 }
1932                 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1933                 tx_ring->cmd_buf_arr = cmd_buf_arr;
1934         }
1935
1936         if (qlcnic_83xx_check(adapter)) {
1937                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1938                         tx_ring = &adapter->tx_ring[ring];
1939                         tx_ring->adapter = adapter;
1940                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1941                                 index = adapter->max_sds_rings + ring;
1942                                 vector = adapter->msix_entries[index].vector;
1943                                 tx_ring->irq = vector;
1944                         }
1945                 }
1946         }
1947         return 0;
1948 }
1949
1950 static int
1951 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1952 {
1953         struct net_device *netdev = NULL;
1954         struct qlcnic_adapter *adapter = NULL;
1955         struct qlcnic_hardware_context *ahw;
1956         int err, pci_using_dac = -1;
1957         u32 capab2;
1958         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
1959
1960         if (pdev->is_virtfn)
1961                 return -ENODEV;
1962
1963         err = pci_enable_device(pdev);
1964         if (err)
1965                 return err;
1966
1967         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1968                 err = -ENODEV;
1969                 goto err_out_disable_pdev;
1970         }
1971
1972         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1973         if (err)
1974                 goto err_out_disable_pdev;
1975
1976         err = pci_request_regions(pdev, qlcnic_driver_name);
1977         if (err)
1978                 goto err_out_disable_pdev;
1979
1980         pci_set_master(pdev);
1981         pci_enable_pcie_error_reporting(pdev);
1982
1983         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1984         if (!ahw) {
1985                 err = -ENOMEM;
1986                 goto err_out_free_res;
1987         }
1988
1989         switch (ent->device) {
1990         case PCI_DEVICE_ID_QLOGIC_QLE824X:
1991                 ahw->hw_ops = &qlcnic_hw_ops;
1992                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
1993                 break;
1994         case PCI_DEVICE_ID_QLOGIC_QLE834X:
1995                 qlcnic_83xx_register_map(ahw);
1996                 break;
1997         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1998                 qlcnic_sriov_vf_register_map(ahw);
1999                 break;
2000         default:
2001                 goto err_out_free_hw_res;
2002         }
2003
2004         err = qlcnic_setup_pci_map(pdev, ahw);
2005         if (err)
2006                 goto err_out_free_hw_res;
2007
2008         netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2009         if (!netdev) {
2010                 err = -ENOMEM;
2011                 goto err_out_iounmap;
2012         }
2013
2014         SET_NETDEV_DEV(netdev, &pdev->dev);
2015
2016         adapter = netdev_priv(netdev);
2017         adapter->netdev  = netdev;
2018         adapter->pdev    = pdev;
2019         adapter->ahw = ahw;
2020
2021         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2022         if (adapter->qlcnic_wq == NULL) {
2023                 err = -ENOMEM;
2024                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2025                 goto err_out_free_netdev;
2026         }
2027
2028         err = qlcnic_alloc_adapter_resources(adapter);
2029         if (err)
2030                 goto err_out_free_netdev;
2031
2032         adapter->dev_rst_time = jiffies;
2033         adapter->ahw->revision_id = pdev->revision;
2034         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2035                 adapter->fdb_mac_learn = true;
2036         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2037                 adapter->drv_mac_learn = true;
2038         adapter->max_drv_tx_rings = 1;
2039
2040         rwlock_init(&adapter->ahw->crb_lock);
2041         mutex_init(&adapter->ahw->mem_lock);
2042
2043         spin_lock_init(&adapter->tx_clean_lock);
2044         INIT_LIST_HEAD(&adapter->mac_list);
2045
2046         if (qlcnic_82xx_check(adapter)) {
2047                 qlcnic_check_vf(adapter, ent);
2048                 adapter->portnum = adapter->ahw->pci_func;
2049                 err = qlcnic_start_firmware(adapter);
2050                 if (err) {
2051                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2052                         goto err_out_free_hw;
2053                 }
2054
2055                 err = qlcnic_setup_idc_param(adapter);
2056                 if (err)
2057                         goto err_out_free_hw;
2058
2059                 adapter->flags |= QLCNIC_NEED_FLR;
2060         } else if (qlcnic_83xx_check(adapter)) {
2061                 qlcnic_83xx_check_vf(adapter, ent);
2062                 adapter->portnum = adapter->ahw->pci_func;
2063                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2064                 if (err) {
2065                         dev_err(&pdev->dev, "%s: failed\n", __func__);
2066                         goto err_out_free_hw;
2067                 }
2068                 if (qlcnic_sriov_vf_check(adapter))
2069                         return 0;
2070         } else {
2071                 dev_err(&pdev->dev,
2072                         "%s: failed. Please Reboot\n", __func__);
2073                 goto err_out_free_hw;
2074         }
2075
2076         if (qlcnic_read_mac_addr(adapter))
2077                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2078
2079         if (adapter->portnum == 0) {
2080                 qlcnic_get_board_name(adapter, board_name);
2081
2082                 pr_info("%s: %s Board Chip rev 0x%x\n",
2083                         module_name(THIS_MODULE),
2084                         board_name, adapter->ahw->revision_id);
2085         }
2086
2087         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2088             !!qlcnic_use_msi)
2089                 dev_warn(&pdev->dev,
2090                          "83xx adapter do not support MSI interrupts\n");
2091
2092         err = qlcnic_setup_intr(adapter, 0);
2093         if (err) {
2094                 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2095                 goto err_out_disable_msi;
2096         }
2097
2098         if (qlcnic_83xx_check(adapter)) {
2099                 err = qlcnic_83xx_setup_mbx_intr(adapter);
2100                 if (err)
2101                         goto err_out_disable_msi;
2102         }
2103
2104         err = qlcnic_get_act_pci_func(adapter);
2105         if (err)
2106                 goto err_out_disable_mbx_intr;
2107
2108         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2109         if (err)
2110                 goto err_out_disable_mbx_intr;
2111
2112         if (qlcnic_82xx_check(adapter)) {
2113                 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2114                         capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2115                         if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2116                                 qlcnic_fw_cmd_set_drv_version(adapter);
2117                 }
2118         }
2119
2120         pci_set_drvdata(pdev, adapter);
2121
2122         if (qlcnic_82xx_check(adapter))
2123                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2124                                      FW_POLL_DELAY);
2125
2126         switch (adapter->ahw->port_type) {
2127         case QLCNIC_GBE:
2128                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2129                                 adapter->netdev->name);
2130                 break;
2131         case QLCNIC_XGBE:
2132                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2133                                 adapter->netdev->name);
2134                 break;
2135         }
2136
2137         if (adapter->drv_mac_learn)
2138                 qlcnic_alloc_lb_filters_mem(adapter);
2139
2140         qlcnic_add_sysfs(adapter);
2141
2142         return 0;
2143
2144 err_out_disable_mbx_intr:
2145         if (qlcnic_83xx_check(adapter))
2146                 qlcnic_83xx_free_mbx_intr(adapter);
2147
2148 err_out_disable_msi:
2149         qlcnic_teardown_intr(adapter);
2150         qlcnic_cancel_idc_work(adapter);
2151         qlcnic_clr_all_drv_state(adapter, 0);
2152
2153 err_out_free_hw:
2154         qlcnic_free_adapter_resources(adapter);
2155
2156 err_out_free_netdev:
2157         free_netdev(netdev);
2158
2159 err_out_iounmap:
2160         qlcnic_cleanup_pci_map(ahw);
2161
2162 err_out_free_hw_res:
2163         kfree(ahw);
2164
2165 err_out_free_res:
2166         pci_release_regions(pdev);
2167
2168 err_out_disable_pdev:
2169         pci_set_drvdata(pdev, NULL);
2170         pci_disable_device(pdev);
2171         return err;
2172 }
2173
2174 static void qlcnic_remove(struct pci_dev *pdev)
2175 {
2176         struct qlcnic_adapter *adapter;
2177         struct net_device *netdev;
2178         struct qlcnic_hardware_context *ahw;
2179
2180         adapter = pci_get_drvdata(pdev);
2181         if (adapter == NULL)
2182                 return;
2183
2184         netdev = adapter->netdev;
2185         qlcnic_sriov_pf_disable(adapter);
2186
2187         qlcnic_cancel_idc_work(adapter);
2188         ahw = adapter->ahw;
2189
2190         unregister_netdev(netdev);
2191         qlcnic_sriov_cleanup(adapter);
2192
2193         if (qlcnic_83xx_check(adapter)) {
2194                 qlcnic_83xx_free_mbx_intr(adapter);
2195                 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2196                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2197         }
2198
2199         qlcnic_detach(adapter);
2200
2201         if (adapter->npars != NULL)
2202                 kfree(adapter->npars);
2203         if (adapter->eswitch != NULL)
2204                 kfree(adapter->eswitch);
2205
2206         if (qlcnic_82xx_check(adapter))
2207                 qlcnic_clr_all_drv_state(adapter, 0);
2208
2209         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2210
2211         qlcnic_free_lb_filters_mem(adapter);
2212
2213         qlcnic_teardown_intr(adapter);
2214
2215         qlcnic_remove_sysfs(adapter);
2216
2217         qlcnic_cleanup_pci_map(adapter->ahw);
2218
2219         qlcnic_release_firmware(adapter);
2220
2221         pci_disable_pcie_error_reporting(pdev);
2222         pci_release_regions(pdev);
2223         pci_disable_device(pdev);
2224         pci_set_drvdata(pdev, NULL);
2225
2226         if (adapter->qlcnic_wq) {
2227                 destroy_workqueue(adapter->qlcnic_wq);
2228                 adapter->qlcnic_wq = NULL;
2229         }
2230         qlcnic_free_adapter_resources(adapter);
2231         kfree(ahw);
2232         free_netdev(netdev);
2233 }
2234 static int __qlcnic_shutdown(struct pci_dev *pdev)
2235 {
2236         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2237         struct net_device *netdev = adapter->netdev;
2238         int retval;
2239
2240         netif_device_detach(netdev);
2241
2242         qlcnic_cancel_idc_work(adapter);
2243
2244         if (netif_running(netdev))
2245                 qlcnic_down(adapter, netdev);
2246
2247         qlcnic_sriov_cleanup(adapter);
2248         if (qlcnic_82xx_check(adapter))
2249                 qlcnic_clr_all_drv_state(adapter, 0);
2250
2251         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2252
2253         retval = pci_save_state(pdev);
2254         if (retval)
2255                 return retval;
2256         if (qlcnic_82xx_check(adapter)) {
2257                 if (qlcnic_wol_supported(adapter)) {
2258                         pci_enable_wake(pdev, PCI_D3cold, 1);
2259                         pci_enable_wake(pdev, PCI_D3hot, 1);
2260                 }
2261         }
2262
2263         return 0;
2264 }
2265
2266 static void qlcnic_shutdown(struct pci_dev *pdev)
2267 {
2268         if (__qlcnic_shutdown(pdev))
2269                 return;
2270
2271         pci_disable_device(pdev);
2272 }
2273
2274 #ifdef CONFIG_PM
2275 static int
2276 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2277 {
2278         int retval;
2279
2280         retval = __qlcnic_shutdown(pdev);
2281         if (retval)
2282                 return retval;
2283
2284         pci_set_power_state(pdev, pci_choose_state(pdev, state));
2285         return 0;
2286 }
2287
2288 static int
2289 qlcnic_resume(struct pci_dev *pdev)
2290 {
2291         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2292         struct net_device *netdev = adapter->netdev;
2293         int err;
2294
2295         err = pci_enable_device(pdev);
2296         if (err)
2297                 return err;
2298
2299         pci_set_power_state(pdev, PCI_D0);
2300         pci_set_master(pdev);
2301         pci_restore_state(pdev);
2302
2303         err = qlcnic_start_firmware(adapter);
2304         if (err) {
2305                 dev_err(&pdev->dev, "failed to start firmware\n");
2306                 return err;
2307         }
2308
2309         if (netif_running(netdev)) {
2310                 err = qlcnic_up(adapter, netdev);
2311                 if (err)
2312                         goto done;
2313
2314                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2315         }
2316 done:
2317         netif_device_attach(netdev);
2318         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2319         return 0;
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 static void
2659 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2660 {
2661         u32  val;
2662
2663         if (qlcnic_api_lock(adapter))
2664                 goto err;
2665
2666         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2667         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2668         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2669
2670         if (failed) {
2671                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2672                                     QLCNIC_DEV_FAILED);
2673                 dev_info(&adapter->pdev->dev,
2674                                 "Device state set to Failed. Please Reboot\n");
2675         } else if (!(val & 0x11111111))
2676                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2677                                     QLCNIC_DEV_COLD);
2678
2679         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2680         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2681         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2682
2683         qlcnic_api_unlock(adapter);
2684 err:
2685         adapter->fw_fail_cnt = 0;
2686         adapter->flags &= ~QLCNIC_FW_HANG;
2687         clear_bit(__QLCNIC_START_FW, &adapter->state);
2688         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2689 }
2690
2691 /* Grab api lock, before checking state */
2692 static int
2693 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2694 {
2695         int act, state, active_mask;
2696         struct qlcnic_hardware_context *ahw = adapter->ahw;
2697
2698         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2699         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2700
2701         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2702                 active_mask = (~(1 << (ahw->pci_func * 4)));
2703                 act = act & active_mask;
2704         }
2705
2706         if (((state & 0x11111111) == (act & 0x11111111)) ||
2707                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2708                 return 0;
2709         else
2710                 return 1;
2711 }
2712
2713 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2714 {
2715         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2716
2717         if (val != QLCNIC_DRV_IDC_VER) {
2718                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2719                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2720         }
2721
2722         return 0;
2723 }
2724
2725 static int
2726 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2727 {
2728         u32 val, prev_state;
2729         u8 dev_init_timeo = adapter->dev_init_timeo;
2730         u8 portnum = adapter->portnum;
2731         u8 ret;
2732
2733         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2734                 return 1;
2735
2736         if (qlcnic_api_lock(adapter))
2737                 return -1;
2738
2739         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2740         if (!(val & (1 << (portnum * 4)))) {
2741                 QLC_DEV_SET_REF_CNT(val, portnum);
2742                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2743         }
2744
2745         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2746         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2747
2748         switch (prev_state) {
2749         case QLCNIC_DEV_COLD:
2750                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2751                                     QLCNIC_DEV_INITIALIZING);
2752                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2753                                     QLCNIC_DRV_IDC_VER);
2754                 qlcnic_idc_debug_info(adapter, 0);
2755                 qlcnic_api_unlock(adapter);
2756                 return 1;
2757
2758         case QLCNIC_DEV_READY:
2759                 ret = qlcnic_check_idc_ver(adapter);
2760                 qlcnic_api_unlock(adapter);
2761                 return ret;
2762
2763         case QLCNIC_DEV_NEED_RESET:
2764                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2765                 QLC_DEV_SET_RST_RDY(val, portnum);
2766                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2767                 break;
2768
2769         case QLCNIC_DEV_NEED_QUISCENT:
2770                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2771                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2772                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2773                 break;
2774
2775         case QLCNIC_DEV_FAILED:
2776                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2777                 qlcnic_api_unlock(adapter);
2778                 return -1;
2779
2780         case QLCNIC_DEV_INITIALIZING:
2781         case QLCNIC_DEV_QUISCENT:
2782                 break;
2783         }
2784
2785         qlcnic_api_unlock(adapter);
2786
2787         do {
2788                 msleep(1000);
2789                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2790
2791                 if (prev_state == QLCNIC_DEV_QUISCENT)
2792                         continue;
2793         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2794
2795         if (!dev_init_timeo) {
2796                 dev_err(&adapter->pdev->dev,
2797                         "Waiting for device to initialize timeout\n");
2798                 return -1;
2799         }
2800
2801         if (qlcnic_api_lock(adapter))
2802                 return -1;
2803
2804         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2805         QLC_DEV_CLR_RST_QSCNT(val, portnum);
2806         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2807
2808         ret = qlcnic_check_idc_ver(adapter);
2809         qlcnic_api_unlock(adapter);
2810
2811         return ret;
2812 }
2813
2814 static void
2815 qlcnic_fwinit_work(struct work_struct *work)
2816 {
2817         struct qlcnic_adapter *adapter = container_of(work,
2818                         struct qlcnic_adapter, fw_work.work);
2819         u32 dev_state = 0xf;
2820         u32 val;
2821
2822         if (qlcnic_api_lock(adapter))
2823                 goto err_ret;
2824
2825         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2826         if (dev_state == QLCNIC_DEV_QUISCENT ||
2827             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2828                 qlcnic_api_unlock(adapter);
2829                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2830                                                 FW_POLL_DELAY * 2);
2831                 return;
2832         }
2833
2834         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2835                 qlcnic_api_unlock(adapter);
2836                 goto wait_npar;
2837         }
2838
2839         if (dev_state == QLCNIC_DEV_INITIALIZING ||
2840             dev_state == QLCNIC_DEV_READY) {
2841                 dev_info(&adapter->pdev->dev, "Detected state change from "
2842                                 "DEV_NEED_RESET, skipping ack check\n");
2843                 goto skip_ack_check;
2844         }
2845
2846         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2847                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2848                                         adapter->reset_ack_timeo);
2849                 goto skip_ack_check;
2850         }
2851
2852         if (!qlcnic_check_drv_state(adapter)) {
2853 skip_ack_check:
2854                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2855
2856                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2857                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2858                                             QLCNIC_DEV_INITIALIZING);
2859                         set_bit(__QLCNIC_START_FW, &adapter->state);
2860                         QLCDB(adapter, DRV, "Restarting fw\n");
2861                         qlcnic_idc_debug_info(adapter, 0);
2862                         val = QLC_SHARED_REG_RD32(adapter,
2863                                                   QLCNIC_CRB_DRV_STATE);
2864                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2865                         QLC_SHARED_REG_WR32(adapter,
2866                                             QLCNIC_CRB_DRV_STATE, val);
2867                 }
2868
2869                 qlcnic_api_unlock(adapter);
2870
2871                 rtnl_lock();
2872                 if (adapter->ahw->fw_dump.enable &&
2873                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2874                         QLCDB(adapter, DRV, "Take FW dump\n");
2875                         qlcnic_dump_fw(adapter);
2876                         adapter->flags |= QLCNIC_FW_HANG;
2877                 }
2878                 rtnl_unlock();
2879
2880                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2881                 if (!adapter->nic_ops->start_firmware(adapter)) {
2882                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2883                         adapter->fw_wait_cnt = 0;
2884                         return;
2885                 }
2886                 goto err_ret;
2887         }
2888
2889         qlcnic_api_unlock(adapter);
2890
2891 wait_npar:
2892         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2893         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2894
2895         switch (dev_state) {
2896         case QLCNIC_DEV_READY:
2897                 if (!qlcnic_start_firmware(adapter)) {
2898                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2899                         adapter->fw_wait_cnt = 0;
2900                         return;
2901                 }
2902         case QLCNIC_DEV_FAILED:
2903                 break;
2904         default:
2905                 qlcnic_schedule_work(adapter,
2906                         qlcnic_fwinit_work, FW_POLL_DELAY);
2907                 return;
2908         }
2909
2910 err_ret:
2911         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2912                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2913         netif_device_attach(adapter->netdev);
2914         qlcnic_clr_all_drv_state(adapter, 0);
2915 }
2916
2917 static void
2918 qlcnic_detach_work(struct work_struct *work)
2919 {
2920         struct qlcnic_adapter *adapter = container_of(work,
2921                         struct qlcnic_adapter, fw_work.work);
2922         struct net_device *netdev = adapter->netdev;
2923         u32 status;
2924
2925         netif_device_detach(netdev);
2926
2927         /* Dont grab rtnl lock during Quiscent mode */
2928         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2929                 if (netif_running(netdev))
2930                         __qlcnic_down(adapter, netdev);
2931         } else
2932                 qlcnic_down(adapter, netdev);
2933
2934         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2935
2936         if (status & QLCNIC_RCODE_FATAL_ERROR) {
2937                 dev_err(&adapter->pdev->dev,
2938                         "Detaching the device: peg halt status1=0x%x\n",
2939                                         status);
2940
2941                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2942                         dev_err(&adapter->pdev->dev,
2943                         "On board active cooling fan failed. "
2944                                 "Device has been halted.\n");
2945                         dev_err(&adapter->pdev->dev,
2946                                 "Replace the adapter.\n");
2947                 }
2948
2949                 goto err_ret;
2950         }
2951
2952         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2953                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2954                         adapter->ahw->temp);
2955                 goto err_ret;
2956         }
2957
2958         /* Dont ack if this instance is the reset owner */
2959         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2960                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2961                         dev_err(&adapter->pdev->dev,
2962                                 "Failed to set driver state,"
2963                                         "detaching the device.\n");
2964                         goto err_ret;
2965                 }
2966         }
2967
2968         adapter->fw_wait_cnt = 0;
2969
2970         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2971
2972         return;
2973
2974 err_ret:
2975         netif_device_attach(netdev);
2976         qlcnic_clr_all_drv_state(adapter, 1);
2977 }
2978
2979 /*Transit NPAR state to NON Operational */
2980 static void
2981 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2982 {
2983         u32 state;
2984
2985         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2986         if (state == QLCNIC_DEV_NPAR_NON_OPER)
2987                 return;
2988
2989         if (qlcnic_api_lock(adapter))
2990                 return;
2991         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2992                             QLCNIC_DEV_NPAR_NON_OPER);
2993         qlcnic_api_unlock(adapter);
2994 }
2995
2996 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
2997 {
2998         u32 state, xg_val = 0, gb_val = 0;
2999
3000         qlcnic_xg_set_xg0_mask(xg_val);
3001         qlcnic_xg_set_xg1_mask(xg_val);
3002         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3003         qlcnic_gb_set_gb0_mask(gb_val);
3004         qlcnic_gb_set_gb1_mask(gb_val);
3005         qlcnic_gb_set_gb2_mask(gb_val);
3006         qlcnic_gb_set_gb3_mask(gb_val);
3007         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3008         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3009                                 " on all ports\n");
3010         adapter->need_fw_reset = 1;
3011
3012         if (qlcnic_api_lock(adapter))
3013                 return;
3014
3015         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3016
3017         if (state == QLCNIC_DEV_READY) {
3018                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3019                                     QLCNIC_DEV_NEED_RESET);
3020                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3021                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3022                 qlcnic_idc_debug_info(adapter, 0);
3023         }
3024
3025         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3026                             QLCNIC_DEV_NPAR_NON_OPER);
3027         qlcnic_api_unlock(adapter);
3028 }
3029
3030 /* Transit to NPAR READY state from NPAR NOT READY state */
3031 static void
3032 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3033 {
3034         if (qlcnic_api_lock(adapter))
3035                 return;
3036
3037         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3038                             QLCNIC_DEV_NPAR_OPER);
3039         QLCDB(adapter, DRV, "NPAR operational state set\n");
3040
3041         qlcnic_api_unlock(adapter);
3042 }
3043
3044 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3045                           work_func_t func, int delay)
3046 {
3047         if (test_bit(__QLCNIC_AER, &adapter->state))
3048                 return;
3049
3050         INIT_DELAYED_WORK(&adapter->fw_work, func);
3051         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3052                            round_jiffies_relative(delay));
3053 }
3054
3055 static void
3056 qlcnic_attach_work(struct work_struct *work)
3057 {
3058         struct qlcnic_adapter *adapter = container_of(work,
3059                                 struct qlcnic_adapter, fw_work.work);
3060         struct net_device *netdev = adapter->netdev;
3061         u32 npar_state;
3062
3063         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3064                 npar_state = QLC_SHARED_REG_RD32(adapter,
3065                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3066                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3067                         qlcnic_clr_all_drv_state(adapter, 0);
3068                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3069                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3070                                                         FW_POLL_DELAY);
3071                 else
3072                         goto attach;
3073                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3074                 return;
3075         }
3076 attach:
3077         if (netif_running(netdev)) {
3078                 if (qlcnic_up(adapter, netdev))
3079                         goto done;
3080
3081                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3082         }
3083
3084 done:
3085         netif_device_attach(netdev);
3086         adapter->fw_fail_cnt = 0;
3087         adapter->flags &= ~QLCNIC_FW_HANG;
3088         clear_bit(__QLCNIC_RESETTING, &adapter->state);
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
3101         if (qlcnic_check_temp(adapter))
3102                 goto detach;
3103
3104         if (adapter->need_fw_reset)
3105                 qlcnic_dev_request_reset(adapter, 0);
3106
3107         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3108         if (state == QLCNIC_DEV_NEED_RESET) {
3109                 qlcnic_set_npar_non_operational(adapter);
3110                 adapter->need_fw_reset = 1;
3111         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3112                 goto detach;
3113
3114         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3115         if (heartbeat != adapter->heartbeat) {
3116                 adapter->heartbeat = heartbeat;
3117                 adapter->fw_fail_cnt = 0;
3118                 if (adapter->need_fw_reset)
3119                         goto detach;
3120
3121                 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
3122                         qlcnic_reset_hw_context(adapter);
3123
3124                 return 0;
3125         }
3126
3127         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3128                 return 0;
3129
3130         adapter->flags |= QLCNIC_FW_HANG;
3131
3132         qlcnic_dev_request_reset(adapter, 0);
3133
3134         if (qlcnic_auto_fw_reset)
3135                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3136
3137         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3138         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3139         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3140                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3141                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3142                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3143                         "PEG_NET_4_PC: 0x%x\n",
3144                         peg_status,
3145                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3146                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3147                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3148                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3149                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3150                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3151         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3152                 dev_err(&adapter->pdev->dev,
3153                         "Firmware aborted with error code 0x00006700. "
3154                                 "Device is being reset.\n");
3155 detach:
3156         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3157                 QLCNIC_DEV_NEED_RESET;
3158
3159         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3160                                                       &adapter->state)) {
3161
3162                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3163                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3164         }
3165
3166         return 1;
3167 }
3168
3169 static void
3170 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_power_state(pdev, PCI_D0);
3223         pci_set_master(pdev);
3224         pci_restore_state(pdev);
3225
3226         first_func = qlcnic_is_first_func(pdev);
3227
3228         if (qlcnic_api_lock(adapter))
3229                 return -EINVAL;
3230
3231         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3232                 adapter->need_fw_reset = 1;
3233                 set_bit(__QLCNIC_START_FW, &adapter->state);
3234                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3235                                     QLCNIC_DEV_INITIALIZING);
3236                 QLCDB(adapter, DRV, "Restarting fw\n");
3237         }
3238         qlcnic_api_unlock(adapter);
3239
3240         err = qlcnic_start_firmware(adapter);
3241         if (err)
3242                 return err;
3243
3244         qlcnic_clr_drv_state(adapter);
3245         kfree(adapter->msix_entries);
3246         adapter->msix_entries = NULL;
3247         err = qlcnic_setup_intr(adapter, 0);
3248
3249         if (err) {
3250                 kfree(adapter->msix_entries);
3251                 netdev_err(netdev, "failed to setup interrupt\n");
3252                 return err;
3253         }
3254
3255         if (qlcnic_83xx_check(adapter)) {
3256                 /* register for NIC IDC AEN Events */
3257                 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3258                 err = qlcnic_83xx_setup_mbx_intr(adapter);
3259                 if (err) {
3260                         dev_err(&adapter->pdev->dev,
3261                                 "failed to setup mbx interrupt\n");
3262                         qlcnic_clr_all_drv_state(adapter, 1);
3263                         clear_bit(__QLCNIC_AER, &adapter->state);
3264                         goto done;
3265                 }
3266         }
3267
3268         if (netif_running(netdev)) {
3269                 err = qlcnic_attach(adapter);
3270                 if (err) {
3271                         qlcnic_clr_all_drv_state(adapter, 1);
3272                         clear_bit(__QLCNIC_AER, &adapter->state);
3273                         netif_device_attach(netdev);
3274                         return err;
3275                 }
3276
3277                 err = qlcnic_up(adapter, netdev);
3278                 if (err)
3279                         goto done;
3280
3281                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3282         }
3283  done:
3284         netif_device_attach(netdev);
3285         return err;
3286 }
3287
3288 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3289                                                 pci_channel_state_t state)
3290 {
3291         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3292         struct net_device *netdev = adapter->netdev;
3293
3294         if (state == pci_channel_io_perm_failure)
3295                 return PCI_ERS_RESULT_DISCONNECT;
3296
3297         if (state == pci_channel_io_normal)
3298                 return PCI_ERS_RESULT_RECOVERED;
3299
3300         set_bit(__QLCNIC_AER, &adapter->state);
3301         netif_device_detach(netdev);
3302
3303         cancel_delayed_work_sync(&adapter->fw_work);
3304
3305         if (netif_running(netdev))
3306                 qlcnic_down(adapter, netdev);
3307
3308         if (qlcnic_83xx_check(adapter)) {
3309                 qlcnic_83xx_free_mbx_intr(adapter);
3310                 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3311                 cancel_delayed_work_sync(&adapter->idc_aen_work);
3312         }
3313
3314         qlcnic_detach(adapter);
3315         qlcnic_teardown_intr(adapter);
3316
3317         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3318
3319         pci_save_state(pdev);
3320         pci_disable_device(pdev);
3321
3322         return PCI_ERS_RESULT_NEED_RESET;
3323 }
3324
3325 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3326 {
3327         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3328                                 PCI_ERS_RESULT_RECOVERED;
3329 }
3330
3331 static void qlcnic_io_resume(struct pci_dev *pdev)
3332 {
3333         u32 state;
3334         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3335
3336         pci_cleanup_aer_uncorrect_error_status(pdev);
3337         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3338         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3339                                                             &adapter->state))
3340                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3341                                                 FW_POLL_DELAY);
3342 }
3343
3344 static int
3345 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3346 {
3347         int err;
3348
3349         err = qlcnic_can_start_firmware(adapter);
3350         if (err)
3351                 return err;
3352
3353         err = qlcnic_check_npar_opertional(adapter);
3354         if (err)
3355                 return err;
3356
3357         err = qlcnic_initialize_nic(adapter);
3358         if (err)
3359                 return err;
3360
3361         qlcnic_check_options(adapter);
3362
3363         err = qlcnic_set_eswitch_port_config(adapter);
3364         if (err)
3365                 return err;
3366
3367         adapter->need_fw_reset = 0;
3368
3369         return err;
3370 }
3371
3372 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3373                             __u32 val)
3374 {
3375         struct net_device *netdev = adapter->netdev;
3376         u8 max_hw = adapter->ahw->max_rx_ques;
3377         u32 max_allowed;
3378
3379         if (val > QLC_MAX_SDS_RINGS) {
3380                 netdev_err(netdev, "RSS value should not be higher than %u\n",
3381                            QLC_MAX_SDS_RINGS);
3382                 return -EINVAL;
3383         }
3384
3385         max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3386                                                  num_online_cpus()));
3387         if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3388                 if (!is_power_of_2(val))
3389                         netdev_err(netdev, "RSS value should be a power of 2\n");
3390
3391                 if (val < 2)
3392                         netdev_err(netdev, "RSS value should not be lower than 2\n");
3393
3394                 if (val > max_hw)
3395                         netdev_err(netdev,
3396                                    "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3397                                    max_hw);
3398
3399                 if (val > num_online_cpus())
3400                         netdev_err(netdev,
3401                                    "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3402                                    num_online_cpus());
3403
3404                 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3405
3406                 return -EINVAL;
3407         }
3408         return 0;
3409 }
3410
3411 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
3412 {
3413         int err;
3414         struct net_device *netdev = adapter->netdev;
3415
3416         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3417                 return -EBUSY;
3418
3419         netif_device_detach(netdev);
3420         if (netif_running(netdev))
3421                 __qlcnic_down(adapter, netdev);
3422
3423         qlcnic_detach(adapter);
3424
3425         if (qlcnic_83xx_check(adapter)) {
3426                 qlcnic_83xx_free_mbx_intr(adapter);
3427                 qlcnic_83xx_enable_mbx_poll(adapter);
3428         }
3429
3430         qlcnic_teardown_intr(adapter);
3431         err = qlcnic_setup_intr(adapter, data);
3432         if (err) {
3433                 kfree(adapter->msix_entries);
3434                 netdev_err(netdev, "failed to setup interrupt\n");
3435                 return err;
3436         }
3437
3438         if (qlcnic_83xx_check(adapter)) {
3439                 /* register for NIC IDC AEN Events */
3440                 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3441                 err = qlcnic_83xx_setup_mbx_intr(adapter);
3442                 qlcnic_83xx_disable_mbx_poll(adapter);
3443                 if (err) {
3444                         dev_err(&adapter->pdev->dev,
3445                                 "failed to setup mbx interrupt\n");
3446                         goto done;
3447                 }
3448         }
3449
3450         if (netif_running(netdev)) {
3451                 err = qlcnic_attach(adapter);
3452                 if (err)
3453                         goto done;
3454                 err = __qlcnic_up(adapter, netdev);
3455                 if (err)
3456                         goto done;
3457                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3458         }
3459         err = len;
3460  done:
3461         netif_device_attach(netdev);
3462         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3463         return err;
3464 }
3465
3466 #ifdef CONFIG_INET
3467
3468 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3469
3470 static void
3471 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3472                         struct net_device *dev, unsigned long event)
3473 {
3474         struct in_device *indev;
3475
3476         indev = in_dev_get(dev);
3477         if (!indev)
3478                 return;
3479
3480         for_ifa(indev) {
3481                 switch (event) {
3482                 case NETDEV_UP:
3483                         qlcnic_config_ipaddr(adapter,
3484                                         ifa->ifa_address, QLCNIC_IP_UP);
3485                         break;
3486                 case NETDEV_DOWN:
3487                         qlcnic_config_ipaddr(adapter,
3488                                         ifa->ifa_address, QLCNIC_IP_DOWN);
3489                         break;
3490                 default:
3491                         break;
3492                 }
3493         } endfor_ifa(indev);
3494
3495         in_dev_put(indev);
3496 }
3497
3498 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3499 {
3500         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3501         struct net_device *dev;
3502         u16 vid;
3503
3504         qlcnic_config_indev_addr(adapter, netdev, event);
3505
3506         rcu_read_lock();
3507         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3508                 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3509                 if (!dev)
3510                         continue;
3511                 qlcnic_config_indev_addr(adapter, dev, event);
3512         }
3513         rcu_read_unlock();
3514 }
3515
3516 static int qlcnic_netdev_event(struct notifier_block *this,
3517                                  unsigned long event, void *ptr)
3518 {
3519         struct qlcnic_adapter *adapter;
3520         struct net_device *dev = (struct net_device *)ptr;
3521
3522 recheck:
3523         if (dev == NULL)
3524                 goto done;
3525
3526         if (dev->priv_flags & IFF_802_1Q_VLAN) {
3527                 dev = vlan_dev_real_dev(dev);
3528                 goto recheck;
3529         }
3530
3531         if (!is_qlcnic_netdev(dev))
3532                 goto done;
3533
3534         adapter = netdev_priv(dev);
3535
3536         if (!adapter)
3537                 goto done;
3538
3539         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3540                 goto done;
3541
3542         qlcnic_config_indev_addr(adapter, dev, event);
3543 done:
3544         return NOTIFY_DONE;
3545 }
3546
3547 static int
3548 qlcnic_inetaddr_event(struct notifier_block *this,
3549                 unsigned long event, void *ptr)
3550 {
3551         struct qlcnic_adapter *adapter;
3552         struct net_device *dev;
3553
3554         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3555
3556         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3557
3558 recheck:
3559         if (dev == NULL)
3560                 goto done;
3561
3562         if (dev->priv_flags & IFF_802_1Q_VLAN) {
3563                 dev = vlan_dev_real_dev(dev);
3564                 goto recheck;
3565         }
3566
3567         if (!is_qlcnic_netdev(dev))
3568                 goto done;
3569
3570         adapter = netdev_priv(dev);
3571
3572         if (!adapter)
3573                 goto done;
3574
3575         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3576                 goto done;
3577
3578         switch (event) {
3579         case NETDEV_UP:
3580                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3581
3582                 break;
3583         case NETDEV_DOWN:
3584                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3585
3586                 break;
3587         default:
3588                 break;
3589         }
3590
3591 done:
3592         return NOTIFY_DONE;
3593 }
3594
3595 static struct notifier_block    qlcnic_netdev_cb = {
3596         .notifier_call = qlcnic_netdev_event,
3597 };
3598
3599 static struct notifier_block qlcnic_inetaddr_cb = {
3600         .notifier_call = qlcnic_inetaddr_event,
3601 };
3602 #else
3603 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3604 { }
3605 #endif
3606 static const struct pci_error_handlers qlcnic_err_handler = {
3607         .error_detected = qlcnic_io_error_detected,
3608         .slot_reset = qlcnic_io_slot_reset,
3609         .resume = qlcnic_io_resume,
3610 };
3611
3612 static struct pci_driver qlcnic_driver = {
3613         .name = qlcnic_driver_name,
3614         .id_table = qlcnic_pci_tbl,
3615         .probe = qlcnic_probe,
3616         .remove = qlcnic_remove,
3617 #ifdef CONFIG_PM
3618         .suspend = qlcnic_suspend,
3619         .resume = qlcnic_resume,
3620 #endif
3621         .shutdown = qlcnic_shutdown,
3622         .err_handler = &qlcnic_err_handler,
3623 #ifdef CONFIG_QLCNIC_SRIOV
3624         .sriov_configure = qlcnic_pci_sriov_configure,
3625 #endif
3626
3627 };
3628
3629 static int __init qlcnic_init_module(void)
3630 {
3631         int ret;
3632
3633         printk(KERN_INFO "%s\n", qlcnic_driver_string);
3634
3635 #ifdef CONFIG_INET
3636         register_netdevice_notifier(&qlcnic_netdev_cb);
3637         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3638 #endif
3639
3640         ret = pci_register_driver(&qlcnic_driver);
3641         if (ret) {
3642 #ifdef CONFIG_INET
3643                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3644                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3645 #endif
3646         }
3647
3648         return ret;
3649 }
3650
3651 module_init(qlcnic_init_module);
3652
3653 static void __exit qlcnic_exit_module(void)
3654 {
3655         pci_unregister_driver(&qlcnic_driver);
3656
3657 #ifdef CONFIG_INET
3658         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3659         unregister_netdevice_notifier(&qlcnic_netdev_cb);
3660 #endif
3661 }
3662
3663 module_exit(qlcnic_exit_module);