drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include <linux/vmalloc.h>
   9 #include <linux/interrupt.h>
  10
  11 #include "qlcnic.h"
  12 #include "qlcnic_sriov.h"
  13 #include "qlcnic_hw.h"
  14
  15 #include <linux/swab.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/if_vlan.h>
  18 #include <net/ip.h>
  19 #include <linux/ipv6.h>
  20 #include <linux/inetdevice.h>
  21 #include <linux/aer.h>
  22 #include <linux/log2.h>
  23 #include <linux/pci.h>
  24
  25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
  26 MODULE_LICENSE("GPL");
  27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
  28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
  29
  30 char qlcnic_driver_name[] = "qlcnic";
  31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
  32         "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
  33
  34 static int qlcnic_mac_learn;
  35 module_param(qlcnic_mac_learn, int, 0444);
  36 MODULE_PARM_DESC(qlcnic_mac_learn,
  37                  "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
  38
  39 int qlcnic_use_msi = 1;
  40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
  41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
  42
  43 int qlcnic_use_msi_x = 1;
  44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
  45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
  46
  47 int qlcnic_auto_fw_reset = 1;
  48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
  49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
  50
  51 int qlcnic_load_fw_file;
  52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
  53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
  54
  55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  56 static void qlcnic_remove(struct pci_dev *pdev);
  57 static int qlcnic_open(struct net_device *netdev);
  58 static int qlcnic_close(struct net_device *netdev);
  59 static void qlcnic_tx_timeout(struct net_device *netdev);
  60 static void qlcnic_attach_work(struct work_struct *work);
  61 static void qlcnic_fwinit_work(struct work_struct *work);
  62 #ifdef CONFIG_NET_POLL_CONTROLLER
  63 static void qlcnic_poll_controller(struct net_device *netdev);
  64 #endif
  65
  66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  68
  69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  70 static irqreturn_t qlcnic_intr(int irq, void *data);
  71 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  72 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
  74
  75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  76 static int qlcnic_start_firmware(struct qlcnic_adapter *);
  77
  78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
  82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
  83
  84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  85 {
  86         struct qlcnic_hardware_context *ahw = adapter->ahw;
  87
  88         if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
  89                 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
  90         else
  91                 return 1;
  92 }
  93
  94 /*  PCI Device ID Table  */
  95 #define ENTRY(device) \
  96         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
  97         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
  98
  99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
 100         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 101         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
 102         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
 103         {0,}
 104 };
 105
 106 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 107
 108
 109 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
 110 {
 111         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 112 }
 113
 114 static const u32 msi_tgt_status[8] = {
 115         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 116         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 117         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 118         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 119 };
 120
 121 static const u32 qlcnic_reg_tbl[] = {
 122         0x1B20A8,       /* PEG_HALT_STAT1 */
 123         0x1B20AC,       /* PEG_HALT_STAT2 */
 124         0x1B20B0,       /* FW_HEARTBEAT */
 125         0x1B2100,       /* LOCK ID */
 126         0x1B2128,       /* FW_CAPABILITIES */
 127         0x1B2138,       /* drv active */
 128         0x1B2140,       /* dev state */
 129         0x1B2144,       /* drv state */
 130         0x1B2148,       /* drv scratch */
 131         0x1B214C,       /* dev partition info */
 132         0x1B2174,       /* drv idc ver */
 133         0x1B2150,       /* fw version major */
 134         0x1B2154,       /* fw version minor */
 135         0x1B2158,       /* fw version sub */
 136         0x1B219C,       /* npar state */
 137         0x1B21FC,       /* FW_IMG_VALID */
 138         0x1B2250,       /* CMD_PEG_STATE */
 139         0x1B233C,       /* RCV_PEG_STATE */
 140         0x1B23B4,       /* ASIC TEMP */
 141         0x1B216C,       /* FW api */
 142         0x1B2170,       /* drv op mode */
 143         0x13C010,       /* flash lock */
 144         0x13C014,       /* flash unlock */
 145 };
 146
 147 static const struct qlcnic_board_info qlcnic_boards[] = {
 148         { PCI_VENDOR_ID_QLOGIC,
 149           PCI_DEVICE_ID_QLOGIC_QLE834X,
 150           PCI_VENDOR_ID_QLOGIC,
 151           0x24e,
 152           "8300 Series Dual Port 10GbE Converged Network Adapter "
 153           "(TCP/IP Networking)" },
 154         { PCI_VENDOR_ID_QLOGIC,
 155           PCI_DEVICE_ID_QLOGIC_QLE834X,
 156           PCI_VENDOR_ID_QLOGIC,
 157           0x243,
 158           "8300 Series Single Port 10GbE Converged Network Adapter "
 159           "(TCP/IP Networking)" },
 160         { PCI_VENDOR_ID_QLOGIC,
 161           PCI_DEVICE_ID_QLOGIC_QLE834X,
 162           PCI_VENDOR_ID_QLOGIC,
 163           0x24a,
 164           "8300 Series Dual Port 10GbE Converged Network Adapter "
 165           "(TCP/IP Networking)" },
 166         { PCI_VENDOR_ID_QLOGIC,
 167           PCI_DEVICE_ID_QLOGIC_QLE834X,
 168           PCI_VENDOR_ID_QLOGIC,
 169           0x246,
 170           "8300 Series Dual Port 10GbE Converged Network Adapter "
 171           "(TCP/IP Networking)" },
 172         { PCI_VENDOR_ID_QLOGIC,
 173           PCI_DEVICE_ID_QLOGIC_QLE834X,
 174           PCI_VENDOR_ID_QLOGIC,
 175           0x252,
 176           "8300 Series Dual Port 10GbE Converged Network Adapter "
 177           "(TCP/IP Networking)" },
 178         { PCI_VENDOR_ID_QLOGIC,
 179           PCI_DEVICE_ID_QLOGIC_QLE834X,
 180           PCI_VENDOR_ID_QLOGIC,
 181           0x26e,
 182           "8300 Series Dual Port 10GbE Converged Network Adapter "
 183           "(TCP/IP Networking)" },
 184         { PCI_VENDOR_ID_QLOGIC,
 185           PCI_DEVICE_ID_QLOGIC_QLE834X,
 186           PCI_VENDOR_ID_QLOGIC,
 187           0x260,
 188           "8300 Series Dual Port 10GbE Converged Network Adapter "
 189           "(TCP/IP Networking)" },
 190         { PCI_VENDOR_ID_QLOGIC,
 191           PCI_DEVICE_ID_QLOGIC_QLE834X,
 192           PCI_VENDOR_ID_QLOGIC,
 193           0x266,
 194           "8300 Series Single Port 10GbE Converged Network Adapter "
 195           "(TCP/IP Networking)" },
 196         { PCI_VENDOR_ID_QLOGIC,
 197           PCI_DEVICE_ID_QLOGIC_QLE834X,
 198           PCI_VENDOR_ID_QLOGIC,
 199           0x269,
 200           "8300 Series Dual Port 10GbE Converged Network Adapter "
 201           "(TCP/IP Networking)" },
 202         { PCI_VENDOR_ID_QLOGIC,
 203           PCI_DEVICE_ID_QLOGIC_QLE834X,
 204           PCI_VENDOR_ID_QLOGIC,
 205           0x271,
 206           "8300 Series Dual Port 10GbE Converged Network Adapter "
 207           "(TCP/IP Networking)" },
 208         { PCI_VENDOR_ID_QLOGIC,
 209           PCI_DEVICE_ID_QLOGIC_QLE834X,
 210           0x0, 0x0, "8300 Series 1/10GbE Controller" },
 211         { PCI_VENDOR_ID_QLOGIC,
 212           PCI_DEVICE_ID_QLOGIC_QLE824X,
 213           PCI_VENDOR_ID_QLOGIC,
 214           0x203,
 215           "8200 Series Single Port 10GbE Converged Network Adapter"
 216           "(TCP/IP Networking)" },
 217         { PCI_VENDOR_ID_QLOGIC,
 218           PCI_DEVICE_ID_QLOGIC_QLE824X,
 219           PCI_VENDOR_ID_QLOGIC,
 220           0x207,
 221           "8200 Series Dual Port 10GbE Converged Network Adapter"
 222           "(TCP/IP Networking)" },
 223         { PCI_VENDOR_ID_QLOGIC,
 224           PCI_DEVICE_ID_QLOGIC_QLE824X,
 225           PCI_VENDOR_ID_QLOGIC,
 226           0x20b,
 227           "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
 228         { PCI_VENDOR_ID_QLOGIC,
 229           PCI_DEVICE_ID_QLOGIC_QLE824X,
 230           PCI_VENDOR_ID_QLOGIC,
 231           0x20c,
 232           "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
 233         { PCI_VENDOR_ID_QLOGIC,
 234           PCI_DEVICE_ID_QLOGIC_QLE824X,
 235           PCI_VENDOR_ID_QLOGIC,
 236           0x20f,
 237           "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
 238         { PCI_VENDOR_ID_QLOGIC,
 239           PCI_DEVICE_ID_QLOGIC_QLE824X,
 240           0x103c, 0x3733,
 241           "NC523SFP 10Gb 2-port Server Adapter" },
 242         { PCI_VENDOR_ID_QLOGIC,
 243           PCI_DEVICE_ID_QLOGIC_QLE824X,
 244           0x103c, 0x3346,
 245           "CN1000Q Dual Port Converged Network Adapter" },
 246         { PCI_VENDOR_ID_QLOGIC,
 247           PCI_DEVICE_ID_QLOGIC_QLE824X,
 248           PCI_VENDOR_ID_QLOGIC,
 249           0x210,
 250           "QME8242-k 10GbE Dual Port Mezzanine Card" },
 251         { PCI_VENDOR_ID_QLOGIC,
 252           PCI_DEVICE_ID_QLOGIC_QLE824X,
 253           0x0, 0x0, "cLOM8214 1/10GbE Controller" },
 254 };
 255
 256 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
 257 #define QLC_MAX_SDS_RINGS       8
 258
 259 static const
 260 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 261
 262 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 263 {
 264         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 265
 266         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 267
 268         return recv_ctx->sds_rings == NULL;
 269 }
 270
 271 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 272 {
 273         if (recv_ctx->sds_rings != NULL)
 274                 kfree(recv_ctx->sds_rings);
 275
 276         recv_ctx->sds_rings = NULL;
 277 }
 278
 279 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 280 {
 281         u8 mac_addr[ETH_ALEN];
 282         struct net_device *netdev = adapter->netdev;
 283         struct pci_dev *pdev = adapter->pdev;
 284
 285         if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
 286                 return -EIO;
 287
 288         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 289         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 290
 291         /* set station address */
 292
 293         if (!is_valid_ether_addr(netdev->dev_addr))
 294                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 295                                         netdev->dev_addr);
 296
 297         return 0;
 298 }
 299
 300 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
 301 {
 302         struct qlcnic_mac_list_s *cur;
 303         struct list_head *head;
 304
 305         list_for_each(head, &adapter->mac_list) {
 306                 cur = list_entry(head, struct qlcnic_mac_list_s, list);
 307                 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
 308                         qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
 309                                                   0, QLCNIC_MAC_DEL);
 310                         list_del(&cur->list);
 311                         kfree(cur);
 312                         return;
 313                 }
 314         }
 315 }
 316
 317 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 318 {
 319         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 320         struct sockaddr *addr = p;
 321
 322         if (qlcnic_sriov_vf_check(adapter))
 323                 return -EINVAL;
 324
 325         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 326                 return -EOPNOTSUPP;
 327
 328         if (!is_valid_ether_addr(addr->sa_data))
 329                 return -EINVAL;
 330
 331         if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
 332                 return 0;
 333
 334         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 335                 netif_device_detach(netdev);
 336                 qlcnic_napi_disable(adapter);
 337         }
 338
 339         qlcnic_delete_adapter_mac(adapter);
 340         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 341         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 342         qlcnic_set_multi(adapter->netdev);
 343
 344         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 345                 netif_device_attach(netdev);
 346                 qlcnic_napi_enable(adapter);
 347         }
 348         return 0;
 349 }
 350
 351 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 352                         struct net_device *netdev, const unsigned char *addr)
 353 {
 354         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 355         int err = -EOPNOTSUPP;
 356
 357         if (!adapter->fdb_mac_learn)
 358                 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
 359
 360         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 361                 if (is_unicast_ether_addr(addr)) {
 362                         err = dev_uc_del(netdev, addr);
 363                         if (!err)
 364                                 err = qlcnic_nic_del_mac(adapter, addr);
 365                 } else if (is_multicast_ether_addr(addr)) {
 366                         err = dev_mc_del(netdev, addr);
 367                 } else {
 368                         err =  -EINVAL;
 369                 }
 370         }
 371         return err;
 372 }
 373
 374 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 375                         struct net_device *netdev,
 376                         const unsigned char *addr, u16 flags)
 377 {
 378         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 379         int err = 0;
 380
 381         if (!adapter->fdb_mac_learn)
 382                 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
 383
 384         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 385                 pr_info("%s: FDB e-switch is not enabled\n", __func__);
 386                 return -EOPNOTSUPP;
 387         }
 388
 389         if (ether_addr_equal(addr, adapter->mac_addr))
 390                 return err;
 391
 392         if (is_unicast_ether_addr(addr)) {
 393                 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
 394                         err = dev_uc_add_excl(netdev, addr);
 395                 else
 396                         err = -ENOMEM;
 397         } else if (is_multicast_ether_addr(addr)) {
 398                 err = dev_mc_add_excl(netdev, addr);
 399         } else {
 400                 err = -EINVAL;
 401         }
 402
 403         return err;
 404 }
 405
 406 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
 407                         struct net_device *netdev, int idx)
 408 {
 409         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 410
 411         if (!adapter->fdb_mac_learn)
 412                 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 413
 414         if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
 415                 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
 416
 417         return idx;
 418 }
 419
 420 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
 421 {
 422         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 423                 usleep_range(10000, 11000);
 424
 425         cancel_delayed_work_sync(&adapter->fw_work);
 426 }
 427
 428 static const struct net_device_ops qlcnic_netdev_ops = {
 429         .ndo_open          = qlcnic_open,
 430         .ndo_stop          = qlcnic_close,
 431         .ndo_start_xmit    = qlcnic_xmit_frame,
 432         .ndo_get_stats     = qlcnic_get_stats,
 433         .ndo_validate_addr = eth_validate_addr,
 434         .ndo_set_rx_mode   = qlcnic_set_multi,
 435         .ndo_set_mac_address    = qlcnic_set_mac,
 436         .ndo_change_mtu    = qlcnic_change_mtu,
 437         .ndo_fix_features  = qlcnic_fix_features,
 438         .ndo_set_features  = qlcnic_set_features,
 439         .ndo_tx_timeout    = qlcnic_tx_timeout,
 440         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 441         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 442         .ndo_fdb_add            = qlcnic_fdb_add,
 443         .ndo_fdb_del            = qlcnic_fdb_del,
 444         .ndo_fdb_dump           = qlcnic_fdb_dump,
 445 #ifdef CONFIG_NET_POLL_CONTROLLER
 446         .ndo_poll_controller = qlcnic_poll_controller,
 447 #endif
 448 #ifdef CONFIG_QLCNIC_SRIOV
 449         .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
 450         .ndo_set_vf_tx_rate     = qlcnic_sriov_set_vf_tx_rate,
 451         .ndo_get_vf_config      = qlcnic_sriov_get_vf_config,
 452         .ndo_set_vf_vlan        = qlcnic_sriov_set_vf_vlan,
 453         .ndo_set_vf_spoofchk    = qlcnic_sriov_set_vf_spoofchk,
 454 #endif
 455 };
 456
 457 static const struct net_device_ops qlcnic_netdev_failed_ops = {
 458         .ndo_open          = qlcnic_open,
 459 };
 460
 461 static struct qlcnic_nic_template qlcnic_ops = {
 462         .config_bridged_mode    = qlcnic_config_bridged_mode,
 463         .config_led             = qlcnic_82xx_config_led,
 464         .start_firmware         = qlcnic_82xx_start_firmware,
 465         .request_reset          = qlcnic_82xx_dev_request_reset,
 466         .cancel_idc_work        = qlcnic_82xx_cancel_idc_work,
 467         .napi_add               = qlcnic_82xx_napi_add,
 468         .napi_del               = qlcnic_82xx_napi_del,
 469         .config_ipaddr          = qlcnic_82xx_config_ipaddr,
 470         .shutdown               = qlcnic_82xx_shutdown,
 471         .resume                 = qlcnic_82xx_resume,
 472         .clear_legacy_intr      = qlcnic_82xx_clear_legacy_intr,
 473 };
 474
 475 struct qlcnic_nic_template qlcnic_vf_ops = {
 476         .config_bridged_mode    = qlcnicvf_config_bridged_mode,
 477         .config_led             = qlcnicvf_config_led,
 478         .start_firmware         = qlcnicvf_start_firmware
 479 };
 480
 481 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
 482         .read_crb                       = qlcnic_82xx_read_crb,
 483         .write_crb                      = qlcnic_82xx_write_crb,
 484         .read_reg                       = qlcnic_82xx_hw_read_wx_2M,
 485         .write_reg                      = qlcnic_82xx_hw_write_wx_2M,
 486         .get_mac_address                = qlcnic_82xx_get_mac_address,
 487         .setup_intr                     = qlcnic_82xx_setup_intr,
 488         .alloc_mbx_args                 = qlcnic_82xx_alloc_mbx_args,
 489         .mbx_cmd                        = qlcnic_82xx_issue_cmd,
 490         .get_func_no                    = qlcnic_82xx_get_func_no,
 491         .api_lock                       = qlcnic_82xx_api_lock,
 492         .api_unlock                     = qlcnic_82xx_api_unlock,
 493         .add_sysfs                      = qlcnic_82xx_add_sysfs,
 494         .remove_sysfs                   = qlcnic_82xx_remove_sysfs,
 495         .process_lb_rcv_ring_diag       = qlcnic_82xx_process_rcv_ring_diag,
 496         .create_rx_ctx                  = qlcnic_82xx_fw_cmd_create_rx_ctx,
 497         .create_tx_ctx                  = qlcnic_82xx_fw_cmd_create_tx_ctx,
 498         .del_rx_ctx                     = qlcnic_82xx_fw_cmd_del_rx_ctx,
 499         .del_tx_ctx                     = qlcnic_82xx_fw_cmd_del_tx_ctx,
 500         .setup_link_event               = qlcnic_82xx_linkevent_request,
 501         .get_nic_info                   = qlcnic_82xx_get_nic_info,
 502         .get_pci_info                   = qlcnic_82xx_get_pci_info,
 503         .set_nic_info                   = qlcnic_82xx_set_nic_info,
 504         .change_macvlan                 = qlcnic_82xx_sre_macaddr_change,
 505         .napi_enable                    = qlcnic_82xx_napi_enable,
 506         .napi_disable                   = qlcnic_82xx_napi_disable,
 507         .config_intr_coal               = qlcnic_82xx_config_intr_coalesce,
 508         .config_rss                     = qlcnic_82xx_config_rss,
 509         .config_hw_lro                  = qlcnic_82xx_config_hw_lro,
 510         .config_loopback                = qlcnic_82xx_set_lb_mode,
 511         .clear_loopback                 = qlcnic_82xx_clear_lb_mode,
 512         .config_promisc_mode            = qlcnic_82xx_nic_set_promisc,
 513         .change_l2_filter               = qlcnic_82xx_change_filter,
 514         .get_board_info                 = qlcnic_82xx_get_board_info,
 515         .set_mac_filter_count           = qlcnic_82xx_set_mac_filter_count,
 516         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 517 };
 518
 519 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 520 {
 521         struct pci_dev *pdev = adapter->pdev;
 522         int err = -1, i;
 523         int max_tx_rings, tx_vector;
 524
 525         if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
 526                 max_tx_rings = 0;
 527                 tx_vector = 0;
 528         } else {
 529                 max_tx_rings = adapter->max_drv_tx_rings;
 530                 tx_vector = 1;
 531         }
 532
 533         if (!adapter->msix_entries) {
 534                 adapter->msix_entries = kcalloc(num_msix,
 535                                                 sizeof(struct msix_entry),
 536                                                 GFP_KERNEL);
 537                 if (!adapter->msix_entries)
 538                         return -ENOMEM;
 539         }
 540
 541         adapter->max_sds_rings = 1;
 542         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 543
 544         if (adapter->ahw->msix_supported) {
 545  enable_msix:
 546                 for (i = 0; i < num_msix; i++)
 547                         adapter->msix_entries[i].entry = i;
 548                 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
 549                 if (err == 0) {
 550                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 551                         if (qlcnic_83xx_check(adapter)) {
 552                                 adapter->ahw->num_msix = num_msix;
 553                                 /* subtract mail box and tx ring vectors */
 554                                 adapter->max_sds_rings = num_msix -
 555                                                          max_tx_rings - 1;
 556                         } else {
 557                                 adapter->max_sds_rings = num_msix;
 558                         }
 559                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 560                         return err;
 561                 } else if (err > 0) {
 562                         dev_info(&pdev->dev,
 563                                  "Unable to allocate %d MSI-X interrupt vectors\n",
 564                                  num_msix);
 565                         if (qlcnic_83xx_check(adapter)) {
 566                                 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
 567                                         return err;
 568                                 err -= (max_tx_rings + 1);
 569                                 num_msix = rounddown_pow_of_two(err);
 570                                 num_msix += (max_tx_rings + 1);
 571                         } else {
 572                                 num_msix = rounddown_pow_of_two(err);
 573                         }
 574
 575                         if (num_msix) {
 576                                 dev_info(&pdev->dev,
 577                                          "Trying to allocate %d MSI-X interrupt vectors\n",
 578                                          num_msix);
 579                                 goto enable_msix;
 580                         }
 581                 } else {
 582                         dev_info(&pdev->dev,
 583                                  "Unable to allocate %d MSI-X interrupt vectors\n",
 584                                  num_msix);
 585                 }
 586         }
 587
 588         return err;
 589 }
 590
 591 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 592 {
 593         int err = 0;
 594         u32 offset, mask_reg;
 595         const struct qlcnic_legacy_intr_set *legacy_intrp;
 596         struct qlcnic_hardware_context *ahw = adapter->ahw;
 597         struct pci_dev *pdev = adapter->pdev;
 598
 599         if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
 600                 adapter->flags |= QLCNIC_MSI_ENABLED;
 601                 offset = msi_tgt_status[adapter->ahw->pci_func];
 602                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
 603                                                             offset);
 604                 dev_info(&pdev->dev, "using msi interrupts\n");
 605                 adapter->msix_entries[0].vector = pdev->irq;
 606                 return err;
 607         }
 608         if (qlcnic_use_msi || qlcnic_use_msi_x)
 609                 return -EOPNOTSUPP;
 610
 611         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 612         adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
 613         offset = legacy_intrp->tgt_status_reg;
 614         adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
 615         mask_reg = legacy_intrp->tgt_mask_reg;
 616         adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
 617         adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
 618         adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
 619         dev_info(&pdev->dev, "using legacy interrupts\n");
 620         adapter->msix_entries[0].vector = pdev->irq;
 621         return err;
 622 }
 623
 624 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
 625 {
 626         int num_msix, err = 0;
 627
 628         if (!num_intr)
 629                 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
 630
 631         if (adapter->ahw->msix_supported)
 632                 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 633                                                 num_intr));
 634         else
 635                 num_msix = 1;
 636
 637         err = qlcnic_enable_msix(adapter, num_msix);
 638         if (err == -ENOMEM || !err)
 639                 return err;
 640
 641         err = qlcnic_enable_msi_legacy(adapter);
 642         if (!err)
 643                 return err;
 644
 645         return -EIO;
 646 }
 647
 648 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 649 {
 650         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 651                 pci_disable_msix(adapter->pdev);
 652         if (adapter->flags & QLCNIC_MSI_ENABLED)
 653                 pci_disable_msi(adapter->pdev);
 654
 655         kfree(adapter->msix_entries);
 656         adapter->msix_entries = NULL;
 657
 658         if (adapter->ahw->intr_tbl) {
 659                 vfree(adapter->ahw->intr_tbl);
 660                 adapter->ahw->intr_tbl = NULL;
 661         }
 662 }
 663
 664 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 665 {
 666         if (ahw->pci_base0 != NULL)
 667                 iounmap(ahw->pci_base0);
 668 }
 669
 670 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 671 {
 672         struct qlcnic_pci_info *pci_info;
 673         int ret;
 674
 675         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 676                 switch (adapter->ahw->port_type) {
 677                 case QLCNIC_GBE:
 678                         adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
 679                         break;
 680                 case QLCNIC_XGBE:
 681                         adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
 682                         break;
 683                 }
 684                 return 0;
 685         }
 686
 687         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
 688                 return 0;
 689
 690         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 691         if (!pci_info)
 692                 return -ENOMEM;
 693
 694         ret = qlcnic_get_pci_info(adapter, pci_info);
 695         kfree(pci_info);
 696         return ret;
 697 }
 698
 699 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 700 {
 701         struct qlcnic_pci_info *pci_info;
 702         int i, ret = 0, j = 0;
 703         u16 act_pci_func;
 704         u8 pfn;
 705
 706         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 707         if (!pci_info)
 708                 return -ENOMEM;
 709
 710         ret = qlcnic_get_pci_info(adapter, pci_info);
 711         if (ret)
 712                 goto err_pci_info;
 713
 714         act_pci_func = adapter->ahw->act_pci_func;
 715
 716         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
 717                                  act_pci_func, GFP_KERNEL);
 718         if (!adapter->npars) {
 719                 ret = -ENOMEM;
 720                 goto err_pci_info;
 721         }
 722
 723         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
 724                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
 725         if (!adapter->eswitch) {
 726                 ret = -ENOMEM;
 727                 goto err_npars;
 728         }
 729
 730         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 731                 pfn = pci_info[i].id;
 732
 733                 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
 734                         ret = QL_STATUS_INVALID_PARAM;
 735                         goto err_eswitch;
 736                 }
 737
 738                 if (!pci_info[i].active ||
 739                     (pci_info[i].type != QLCNIC_TYPE_NIC))
 740                         continue;
 741
 742                 adapter->npars[j].pci_func = pfn;
 743                 adapter->npars[j].active = (u8)pci_info[i].active;
 744                 adapter->npars[j].type = (u8)pci_info[i].type;
 745                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
 746                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
 747                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
 748                 j++;
 749         }
 750
 751         for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
 752                 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
 753                 if (qlcnic_83xx_check(adapter))
 754                         qlcnic_enable_eswitch(adapter, i, 1);
 755         }
 756
 757         kfree(pci_info);
 758         return 0;
 759
 760 err_eswitch:
 761         kfree(adapter->eswitch);
 762         adapter->eswitch = NULL;
 763 err_npars:
 764         kfree(adapter->npars);
 765         adapter->npars = NULL;
 766 err_pci_info:
 767         kfree(pci_info);
 768
 769         return ret;
 770 }
 771
 772 static int
 773 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
 774 {
 775         u8 id;
 776         int ret;
 777         u32 data = QLCNIC_MGMT_FUNC;
 778         struct qlcnic_hardware_context *ahw = adapter->ahw;
 779
 780         ret = qlcnic_api_lock(adapter);
 781         if (ret)
 782                 goto err_lock;
 783
 784         id = ahw->pci_func;
 785         data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
 786         data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
 787                QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
 788         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
 789         qlcnic_api_unlock(adapter);
 790 err_lock:
 791         return ret;
 792 }
 793
 794 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
 795                             const struct pci_device_id *ent)
 796 {
 797         u32 op_mode, priv_level;
 798
 799         /* Determine FW API version */
 800         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
 801                                                            QLCNIC_FW_API);
 802
 803         /* Find PCI function number */
 804         qlcnic_get_func_no(adapter);
 805
 806         /* Determine function privilege level */
 807         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
 808         if (op_mode == QLC_DEV_DRV_DEFAULT)
 809                 priv_level = QLCNIC_MGMT_FUNC;
 810         else
 811                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
 812
 813         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
 814                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
 815                 dev_info(&adapter->pdev->dev,
 816                         "HAL Version: %d Non Privileged function\n",
 817                          adapter->ahw->fw_hal_version);
 818                 adapter->nic_ops = &qlcnic_vf_ops;
 819         } else
 820                 adapter->nic_ops = &qlcnic_ops;
 821 }
 822
 823 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
 824 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
 825 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
 826 {
 827         switch (dev_id) {
 828         case PCI_DEVICE_ID_QLOGIC_QLE824X:
 829                 *bar = QLCNIC_82XX_BAR0_LENGTH;
 830                 break;
 831         case PCI_DEVICE_ID_QLOGIC_QLE834X:
 832         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
 833                 *bar = QLCNIC_83XX_BAR0_LENGTH;
 834                 break;
 835         default:
 836                 *bar = 0;
 837         }
 838 }
 839
 840 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
 841                                 struct qlcnic_hardware_context *ahw)
 842 {
 843         u32 offset;
 844         void __iomem *mem_ptr0 = NULL;
 845         unsigned long mem_len, pci_len0 = 0, bar0_len;
 846
 847         /* remap phys address */
 848         mem_len = pci_resource_len(pdev, 0);
 849
 850         qlcnic_get_bar_length(pdev->device, &bar0_len);
 851         if (mem_len >= bar0_len) {
 852
 853                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
 854                 if (mem_ptr0 == NULL) {
 855                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
 856                         return -EIO;
 857                 }
 858                 pci_len0 = mem_len;
 859         } else {
 860                 return -EIO;
 861         }
 862
 863         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
 864
 865         ahw->pci_base0 = mem_ptr0;
 866         ahw->pci_len0 = pci_len0;
 867         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
 868         qlcnic_get_ioaddr(ahw, offset);
 869
 870         return 0;
 871 }
 872
 873 static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
 874                                                 int index)
 875 {
 876         struct pci_dev *pdev = adapter->pdev;
 877         unsigned short subsystem_vendor;
 878         bool ret = true;
 879
 880         subsystem_vendor = pdev->subsystem_vendor;
 881
 882         if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
 883             pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
 884                 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
 885                     qlcnic_boards[index].sub_device == pdev->subsystem_device)
 886                         ret = true;
 887                 else
 888                         ret = false;
 889         }
 890
 891         return ret;
 892 }
 893
 894 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
 895 {
 896         struct pci_dev *pdev = adapter->pdev;
 897         int i, found = 0;
 898
 899         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
 900                 if (qlcnic_boards[i].vendor == pdev->vendor &&
 901                     qlcnic_boards[i].device == pdev->device &&
 902                     qlcnic_validate_subsystem_id(adapter, i)) {
 903                         found = 1;
 904                         break;
 905                 }
 906         }
 907
 908         if (!found)
 909                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
 910         else
 911                 sprintf(name, "%pM: %s" , adapter->mac_addr,
 912                         qlcnic_boards[i].short_name);
 913 }
 914
 915 static void
 916 qlcnic_check_options(struct qlcnic_adapter *adapter)
 917 {
 918         int err;
 919         u32 fw_major, fw_minor, fw_build, prev_fw_version;
 920         struct pci_dev *pdev = adapter->pdev;
 921         struct qlcnic_hardware_context *ahw = adapter->ahw;
 922         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
 923
 924         prev_fw_version = adapter->fw_version;
 925
 926         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
 927         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
 928         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
 929
 930         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
 931
 932         err = qlcnic_get_board_info(adapter);
 933         if (err) {
 934                 dev_err(&pdev->dev, "Error getting board config info.\n");
 935                 return;
 936         }
 937         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
 938                 if (fw_dump->tmpl_hdr == NULL ||
 939                                 adapter->fw_version > prev_fw_version) {
 940                         if (fw_dump->tmpl_hdr)
 941                                 vfree(fw_dump->tmpl_hdr);
 942                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
 943                                 dev_info(&pdev->dev,
 944                                         "Supports FW dump capability\n");
 945                 }
 946         }
 947
 948         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
 949                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
 950
 951         if (adapter->ahw->port_type == QLCNIC_XGBE) {
 952                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 953                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
 954                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
 955                 } else {
 956                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
 957                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
 958                 }
 959
 960                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 961                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 962
 963         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
 964                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
 965                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 966                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 967                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
 968         }
 969
 970         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
 971
 972         adapter->num_txd = MAX_CMD_DESCRIPTORS;
 973
 974         adapter->max_rds_rings = MAX_RDS_RINGS;
 975 }
 976
 977 static int
 978 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
 979 {
 980         int err;
 981         struct qlcnic_info nic_info;
 982
 983         memset(&nic_info, 0, sizeof(struct qlcnic_info));
 984         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
 985         if (err)
 986                 return err;
 987
 988         adapter->ahw->physical_port = (u8)nic_info.phys_port;
 989         adapter->ahw->switch_mode = nic_info.switch_mode;
 990         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
 991         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
 992         adapter->ahw->capabilities = nic_info.capabilities;
 993
 994         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
 995                 u32 temp;
 996                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
 997                 adapter->ahw->extra_capability[0] = temp;
 998         }
 999         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1000         adapter->ahw->max_mtu = nic_info.max_mtu;
1001
1002         /* Disable NPAR for 83XX */
1003         if (qlcnic_83xx_check(adapter))
1004                 return err;
1005
1006         if (adapter->ahw->capabilities & BIT_6)
1007                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1008         else
1009                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1010
1011         return err;
1012 }
1013
1014 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1015                             struct qlcnic_esw_func_cfg *esw_cfg)
1016 {
1017         if (esw_cfg->discard_tagged)
1018                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1019         else
1020                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1021
1022         if (esw_cfg->vlan_id) {
1023                 adapter->rx_pvid = esw_cfg->vlan_id;
1024                 adapter->tx_pvid = esw_cfg->vlan_id;
1025         } else {
1026                 adapter->rx_pvid = 0;
1027                 adapter->tx_pvid = 0;
1028         }
1029 }
1030
1031 static int
1032 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1033 {
1034         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1035         int err;
1036
1037         if (qlcnic_sriov_vf_check(adapter)) {
1038                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1039                 if (err) {
1040                         netdev_err(netdev,
1041                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1042                                    vid, err);
1043                         return err;
1044                 }
1045         }
1046
1047         set_bit(vid, adapter->vlans);
1048         return 0;
1049 }
1050
1051 static int
1052 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1053 {
1054         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1055         int err;
1056
1057         if (qlcnic_sriov_vf_check(adapter)) {
1058                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1059                 if (err) {
1060                         netdev_err(netdev,
1061                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1062                                    vid, err);
1063                         return err;
1064                 }
1065         }
1066
1067         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1068         clear_bit(vid, adapter->vlans);
1069         return 0;
1070 }
1071
1072 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1073                                       struct qlcnic_esw_func_cfg *esw_cfg)
1074 {
1075         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1076                                 QLCNIC_PROMISC_DISABLED);
1077
1078         if (esw_cfg->mac_anti_spoof)
1079                 adapter->flags |= QLCNIC_MACSPOOF;
1080
1081         if (!esw_cfg->mac_override)
1082                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1083
1084         if (!esw_cfg->promisc_mode)
1085                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1086 }
1087
1088 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1089 {
1090         struct qlcnic_esw_func_cfg esw_cfg;
1091
1092         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1093                 return 0;
1094
1095         esw_cfg.pci_func = adapter->ahw->pci_func;
1096         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1097                         return -EIO;
1098         qlcnic_set_vlan_config(adapter, &esw_cfg);
1099         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1100         qlcnic_set_netdev_features(adapter, &esw_cfg);
1101
1102         return 0;
1103 }
1104
1105 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1106                                 struct qlcnic_esw_func_cfg *esw_cfg)
1107 {
1108         struct net_device *netdev = adapter->netdev;
1109
1110         if (qlcnic_83xx_check(adapter))
1111                 return;
1112
1113         adapter->offload_flags = esw_cfg->offload_flags;
1114         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1115         netdev_update_features(netdev);
1116         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1117 }
1118
1119 static int
1120 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1121 {
1122         u32 op_mode, priv_level;
1123         int err = 0;
1124
1125         err = qlcnic_initialize_nic(adapter);
1126         if (err)
1127                 return err;
1128
1129         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1130                 return 0;
1131
1132         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1133         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1134
1135         if (op_mode == QLC_DEV_DRV_DEFAULT)
1136                 priv_level = QLCNIC_MGMT_FUNC;
1137         else
1138                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1139
1140         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1141                 if (priv_level == QLCNIC_MGMT_FUNC) {
1142                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1143                         err = qlcnic_init_pci_info(adapter);
1144                         if (err)
1145                                 return err;
1146                         /* Set privilege level for other functions */
1147                         qlcnic_set_function_modes(adapter);
1148                         dev_info(&adapter->pdev->dev,
1149                                 "HAL Version: %d, Management function\n",
1150                                  adapter->ahw->fw_hal_version);
1151                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1152                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1153                         dev_info(&adapter->pdev->dev,
1154                                 "HAL Version: %d, Privileged function\n",
1155                                  adapter->ahw->fw_hal_version);
1156                 }
1157         }
1158
1159         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1160
1161         return err;
1162 }
1163
1164 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1165 {
1166         struct qlcnic_esw_func_cfg esw_cfg;
1167         struct qlcnic_npar_info *npar;
1168         u8 i;
1169
1170         if (adapter->need_fw_reset)
1171                 return 0;
1172
1173         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1174                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1175                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1176                 esw_cfg.mac_override = BIT_0;
1177                 esw_cfg.promisc_mode = BIT_0;
1178                 if (qlcnic_82xx_check(adapter)) {
1179                         esw_cfg.offload_flags = BIT_0;
1180                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1181                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1182                 }
1183                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1184                         return -EIO;
1185                 npar = &adapter->npars[i];
1186                 npar->pvid = esw_cfg.vlan_id;
1187                 npar->mac_override = esw_cfg.mac_override;
1188                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1189                 npar->discard_tagged = esw_cfg.discard_tagged;
1190                 npar->promisc_mode = esw_cfg.promisc_mode;
1191                 npar->offload_flags = esw_cfg.offload_flags;
1192         }
1193
1194         return 0;
1195 }
1196
1197
1198 static int
1199 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1200                         struct qlcnic_npar_info *npar, int pci_func)
1201 {
1202         struct qlcnic_esw_func_cfg esw_cfg;
1203         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1204         esw_cfg.pci_func = pci_func;
1205         esw_cfg.vlan_id = npar->pvid;
1206         esw_cfg.mac_override = npar->mac_override;
1207         esw_cfg.discard_tagged = npar->discard_tagged;
1208         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1209         esw_cfg.offload_flags = npar->offload_flags;
1210         esw_cfg.promisc_mode = npar->promisc_mode;
1211         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1212                 return -EIO;
1213
1214         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1215         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1216                 return -EIO;
1217
1218         return 0;
1219 }
1220
1221 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1222 {
1223         int i, err;
1224         struct qlcnic_npar_info *npar;
1225         struct qlcnic_info nic_info;
1226         u8 pci_func;
1227
1228         if (qlcnic_82xx_check(adapter))
1229                 if (!adapter->need_fw_reset)
1230                         return 0;
1231
1232         /* Set the NPAR config data after FW reset */
1233         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1234                 npar = &adapter->npars[i];
1235                 pci_func = npar->pci_func;
1236                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1237                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1238                 if (err)
1239                         return err;
1240                 nic_info.min_tx_bw = npar->min_bw;
1241                 nic_info.max_tx_bw = npar->max_bw;
1242                 err = qlcnic_set_nic_info(adapter, &nic_info);
1243                 if (err)
1244                         return err;
1245
1246                 if (npar->enable_pm) {
1247                         err = qlcnic_config_port_mirroring(adapter,
1248                                                            npar->dest_npar, 1,
1249                                                            pci_func);
1250                         if (err)
1251                                 return err;
1252                 }
1253                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1254                 if (err)
1255                         return err;
1256         }
1257         return 0;
1258 }
1259
1260 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1261 {
1262         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1263         u32 npar_state;
1264
1265         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1266                 return 0;
1267
1268         npar_state = QLC_SHARED_REG_RD32(adapter,
1269                                          QLCNIC_CRB_DEV_NPAR_STATE);
1270         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1271                 msleep(1000);
1272                 npar_state = QLC_SHARED_REG_RD32(adapter,
1273                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1274         }
1275         if (!npar_opt_timeo) {
1276                 dev_err(&adapter->pdev->dev,
1277                         "Waiting for NPAR state to operational timeout\n");
1278                 return -EIO;
1279         }
1280         return 0;
1281 }
1282
1283 static int
1284 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1285 {
1286         int err;
1287
1288         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1289             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1290                 return 0;
1291
1292         err = qlcnic_set_default_offload_settings(adapter);
1293         if (err)
1294                 return err;
1295
1296         err = qlcnic_reset_npar_config(adapter);
1297         if (err)
1298                 return err;
1299
1300         qlcnic_dev_set_npar_ready(adapter);
1301
1302         return err;
1303 }
1304
1305 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1306 {
1307         int err;
1308
1309         err = qlcnic_can_start_firmware(adapter);
1310         if (err < 0)
1311                 return err;
1312         else if (!err)
1313                 goto check_fw_status;
1314
1315         if (qlcnic_load_fw_file)
1316                 qlcnic_request_firmware(adapter);
1317         else {
1318                 err = qlcnic_check_flash_fw_ver(adapter);
1319                 if (err)
1320                         goto err_out;
1321
1322                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1323         }
1324
1325         err = qlcnic_need_fw_reset(adapter);
1326         if (err == 0)
1327                 goto check_fw_status;
1328
1329         err = qlcnic_pinit_from_rom(adapter);
1330         if (err)
1331                 goto err_out;
1332
1333         err = qlcnic_load_firmware(adapter);
1334         if (err)
1335                 goto err_out;
1336
1337         qlcnic_release_firmware(adapter);
1338         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1339
1340 check_fw_status:
1341         err = qlcnic_check_fw_status(adapter);
1342         if (err)
1343                 goto err_out;
1344
1345         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1346         qlcnic_idc_debug_info(adapter, 1);
1347         err = qlcnic_check_eswitch_mode(adapter);
1348         if (err) {
1349                 dev_err(&adapter->pdev->dev,
1350                         "Memory allocation failed for eswitch\n");
1351                 goto err_out;
1352         }
1353         err = qlcnic_set_mgmt_operations(adapter);
1354         if (err)
1355                 goto err_out;
1356
1357         qlcnic_check_options(adapter);
1358         adapter->need_fw_reset = 0;
1359
1360         qlcnic_release_firmware(adapter);
1361         return 0;
1362
1363 err_out:
1364         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1365         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1366
1367         qlcnic_release_firmware(adapter);
1368         return err;
1369 }
1370
1371 static int
1372 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1373 {
1374         irq_handler_t handler;
1375         struct qlcnic_host_sds_ring *sds_ring;
1376         struct qlcnic_host_tx_ring *tx_ring;
1377         int err, ring, num_sds_rings;
1378
1379         unsigned long flags = 0;
1380         struct net_device *netdev = adapter->netdev;
1381         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1382
1383         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1384                 if (qlcnic_82xx_check(adapter))
1385                         handler = qlcnic_tmp_intr;
1386                 else
1387                         handler = qlcnic_83xx_tmp_intr;
1388                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1389                         flags |= IRQF_SHARED;
1390
1391         } else {
1392                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1393                         handler = qlcnic_msix_intr;
1394                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1395                         handler = qlcnic_msi_intr;
1396                 else {
1397                         flags |= IRQF_SHARED;
1398                         if (qlcnic_82xx_check(adapter))
1399                                 handler = qlcnic_intr;
1400                         else
1401                                 handler = qlcnic_83xx_intr;
1402                 }
1403         }
1404         adapter->irq = netdev->irq;
1405
1406         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1407                 if (qlcnic_82xx_check(adapter) ||
1408                     (qlcnic_83xx_check(adapter) &&
1409                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1410                         num_sds_rings = adapter->max_sds_rings;
1411                         for (ring = 0; ring < num_sds_rings; ring++) {
1412                                 sds_ring = &recv_ctx->sds_rings[ring];
1413                                 if (qlcnic_82xx_check(adapter) &&
1414                                     (ring == (num_sds_rings - 1))) {
1415                                         if (!(adapter->flags &
1416                                               QLCNIC_MSIX_ENABLED))
1417                                                 snprintf(sds_ring->name,
1418                                                          sizeof(sds_ring->name),
1419                                                          "qlcnic");
1420                                         else
1421                                                 snprintf(sds_ring->name,
1422                                                          sizeof(sds_ring->name),
1423                                                          "%s-tx-0-rx-%d",
1424                                                          netdev->name, ring);
1425                                 } else {
1426                                         snprintf(sds_ring->name,
1427                                                  sizeof(sds_ring->name),
1428                                                  "%s-rx-%d",
1429                                                  netdev->name, ring);
1430                                 }
1431                                 err = request_irq(sds_ring->irq, handler, flags,
1432                                                   sds_ring->name, sds_ring);
1433                                 if (err)
1434                                         return err;
1435                         }
1436                 }
1437                 if (qlcnic_83xx_check(adapter) &&
1438                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1439                     !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1440                         handler = qlcnic_msix_tx_intr;
1441                         for (ring = 0; ring < adapter->max_drv_tx_rings;
1442                              ring++) {
1443                                 tx_ring = &adapter->tx_ring[ring];
1444                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1445                                          "%s-tx-%d", netdev->name, ring);
1446                                 err = request_irq(tx_ring->irq, handler, flags,
1447                                                   tx_ring->name, tx_ring);
1448                                 if (err)
1449                                         return err;
1450                         }
1451                 }
1452         }
1453         return 0;
1454 }
1455
1456 static void
1457 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1458 {
1459         int ring;
1460         struct qlcnic_host_sds_ring *sds_ring;
1461         struct qlcnic_host_tx_ring *tx_ring;
1462
1463         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1464
1465         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1466                 if (qlcnic_82xx_check(adapter) ||
1467                     (qlcnic_83xx_check(adapter) &&
1468                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1469                         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1470                                 sds_ring = &recv_ctx->sds_rings[ring];
1471                                 free_irq(sds_ring->irq, sds_ring);
1472                         }
1473                 }
1474                 if (qlcnic_83xx_check(adapter) &&
1475                     !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1476                         for (ring = 0; ring < adapter->max_drv_tx_rings;
1477                              ring++) {
1478                                 tx_ring = &adapter->tx_ring[ring];
1479                                 if (tx_ring->irq)
1480                                         free_irq(tx_ring->irq, tx_ring);
1481                         }
1482                 }
1483         }
1484 }
1485
1486 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1487 {
1488         u32 capab = 0;
1489
1490         if (qlcnic_82xx_check(adapter)) {
1491                 if (adapter->ahw->extra_capability[0] &
1492                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1493                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1494         } else {
1495                 capab = adapter->ahw->capabilities;
1496                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1497                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1498         }
1499 }
1500
1501 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1502 {
1503         int ring;
1504         struct qlcnic_host_rds_ring *rds_ring;
1505
1506         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1507                 return -EIO;
1508
1509         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1510                 return 0;
1511         if (qlcnic_set_eswitch_port_config(adapter))
1512                 return -EIO;
1513         qlcnic_get_lro_mss_capability(adapter);
1514
1515         if (qlcnic_fw_create_ctx(adapter))
1516                 return -EIO;
1517
1518         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1519                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1520                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1521         }
1522
1523         qlcnic_set_multi(netdev);
1524         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1525
1526         adapter->ahw->linkup = 0;
1527
1528         if (adapter->max_sds_rings > 1)
1529                 qlcnic_config_rss(adapter, 1);
1530
1531         qlcnic_config_intr_coalesce(adapter);
1532
1533         if (netdev->features & NETIF_F_LRO)
1534                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1535
1536         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1537         qlcnic_napi_enable(adapter);
1538
1539         qlcnic_linkevent_request(adapter, 1);
1540
1541         adapter->ahw->reset_context = 0;
1542         return 0;
1543 }
1544
1545 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1546 {
1547         int err = 0;
1548
1549         rtnl_lock();
1550         if (netif_running(netdev))
1551                 err = __qlcnic_up(adapter, netdev);
1552         rtnl_unlock();
1553
1554         return err;
1555 }
1556
1557 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1558 {
1559         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1560                 return;
1561
1562         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1563                 return;
1564
1565         if (qlcnic_sriov_vf_check(adapter))
1566                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1567         smp_mb();
1568         spin_lock(&adapter->tx_clean_lock);
1569         netif_carrier_off(netdev);
1570         adapter->ahw->linkup = 0;
1571         netif_tx_disable(netdev);
1572
1573         qlcnic_free_mac_list(adapter);
1574
1575         if (adapter->fhash.fnum)
1576                 qlcnic_delete_lb_filters(adapter);
1577
1578         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1579
1580         qlcnic_napi_disable(adapter);
1581
1582         qlcnic_fw_destroy_ctx(adapter);
1583         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1584
1585         qlcnic_reset_rx_buffers_list(adapter);
1586         qlcnic_release_tx_buffers(adapter);
1587         spin_unlock(&adapter->tx_clean_lock);
1588 }
1589
1590 /* Usage: During suspend and firmware recovery module */
1591
1592 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1593 {
1594         rtnl_lock();
1595         if (netif_running(netdev))
1596                 __qlcnic_down(adapter, netdev);
1597         rtnl_unlock();
1598
1599 }
1600
1601 int
1602 qlcnic_attach(struct qlcnic_adapter *adapter)
1603 {
1604         struct net_device *netdev = adapter->netdev;
1605         struct pci_dev *pdev = adapter->pdev;
1606         int err;
1607
1608         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1609                 return 0;
1610
1611         err = qlcnic_napi_add(adapter, netdev);
1612         if (err)
1613                 return err;
1614
1615         err = qlcnic_alloc_sw_resources(adapter);
1616         if (err) {
1617                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1618                 goto err_out_napi_del;
1619         }
1620
1621         err = qlcnic_alloc_hw_resources(adapter);
1622         if (err) {
1623                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1624                 goto err_out_free_sw;
1625         }
1626
1627         err = qlcnic_request_irq(adapter);
1628         if (err) {
1629                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1630                 goto err_out_free_hw;
1631         }
1632
1633         qlcnic_create_sysfs_entries(adapter);
1634
1635         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1636         return 0;
1637
1638 err_out_free_hw:
1639         qlcnic_free_hw_resources(adapter);
1640 err_out_free_sw:
1641         qlcnic_free_sw_resources(adapter);
1642 err_out_napi_del:
1643         qlcnic_napi_del(adapter);
1644         return err;
1645 }
1646
1647 void qlcnic_detach(struct qlcnic_adapter *adapter)
1648 {
1649         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1650                 return;
1651
1652         qlcnic_remove_sysfs_entries(adapter);
1653
1654         qlcnic_free_hw_resources(adapter);
1655         qlcnic_release_rx_buffers(adapter);
1656         qlcnic_free_irq(adapter);
1657         qlcnic_napi_del(adapter);
1658         qlcnic_free_sw_resources(adapter);
1659
1660         adapter->is_up = 0;
1661 }
1662
1663 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1664 {
1665         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1666         struct qlcnic_host_sds_ring *sds_ring;
1667         int ring;
1668
1669         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1670         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1671                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1672                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1673                         qlcnic_disable_int(sds_ring);
1674                 }
1675         }
1676
1677         qlcnic_fw_destroy_ctx(adapter);
1678
1679         qlcnic_detach(adapter);
1680
1681         adapter->ahw->diag_test = 0;
1682         adapter->max_sds_rings = max_sds_rings;
1683
1684         if (qlcnic_attach(adapter))
1685                 goto out;
1686
1687         if (netif_running(netdev))
1688                 __qlcnic_up(adapter, netdev);
1689 out:
1690         netif_device_attach(netdev);
1691 }
1692
1693 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1694 {
1695         struct qlcnic_hardware_context *ahw = adapter->ahw;
1696         int err = 0;
1697
1698         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1699                                 GFP_KERNEL);
1700         if (!adapter->recv_ctx) {
1701                 err = -ENOMEM;
1702                 goto err_out;
1703         }
1704         /* Initialize interrupt coalesce parameters */
1705         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1706         ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1707         ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1708         ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1709         if (qlcnic_83xx_check(adapter)) {
1710                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1711                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1712         }
1713         /* clear stats */
1714         memset(&adapter->stats, 0, sizeof(adapter->stats));
1715 err_out:
1716         return err;
1717 }
1718
1719 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1720 {
1721         kfree(adapter->recv_ctx);
1722         adapter->recv_ctx = NULL;
1723
1724         if (adapter->ahw->fw_dump.tmpl_hdr) {
1725                 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1726                 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1727         }
1728
1729         kfree(adapter->ahw->reset.buff);
1730         adapter->ahw->fw_dump.tmpl_hdr = NULL;
1731 }
1732
1733 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1734 {
1735         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1736         struct qlcnic_host_sds_ring *sds_ring;
1737         struct qlcnic_host_rds_ring *rds_ring;
1738         int ring;
1739         int ret;
1740
1741         netif_device_detach(netdev);
1742
1743         if (netif_running(netdev))
1744                 __qlcnic_down(adapter, netdev);
1745
1746         qlcnic_detach(adapter);
1747
1748         adapter->max_sds_rings = 1;
1749         adapter->ahw->diag_test = test;
1750         adapter->ahw->linkup = 0;
1751
1752         ret = qlcnic_attach(adapter);
1753         if (ret) {
1754                 netif_device_attach(netdev);
1755                 return ret;
1756         }
1757
1758         ret = qlcnic_fw_create_ctx(adapter);
1759         if (ret) {
1760                 qlcnic_detach(adapter);
1761                 netif_device_attach(netdev);
1762                 return ret;
1763         }
1764
1765         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1766                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1767                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1768         }
1769
1770         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1771                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1772                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1773                         qlcnic_enable_int(sds_ring);
1774                 }
1775         }
1776
1777         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1778                 adapter->ahw->loopback_state = 0;
1779                 qlcnic_linkevent_request(adapter, 1);
1780         }
1781
1782         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1783
1784         return 0;
1785 }
1786
1787 /* Reset context in hardware only */
1788 static int
1789 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1790 {
1791         struct net_device *netdev = adapter->netdev;
1792
1793         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1794                 return -EBUSY;
1795
1796         netif_device_detach(netdev);
1797
1798         qlcnic_down(adapter, netdev);
1799
1800         qlcnic_up(adapter, netdev);
1801
1802         netif_device_attach(netdev);
1803
1804         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1805         dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1806         return 0;
1807 }
1808
1809 int
1810 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1811 {
1812         int err = 0;
1813         struct net_device *netdev = adapter->netdev;
1814
1815         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1816                 return -EBUSY;
1817
1818         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1819
1820                 netif_device_detach(netdev);
1821
1822                 if (netif_running(netdev))
1823                         __qlcnic_down(adapter, netdev);
1824
1825                 qlcnic_detach(adapter);
1826
1827                 if (netif_running(netdev)) {
1828                         err = qlcnic_attach(adapter);
1829                         if (!err) {
1830                                 __qlcnic_up(adapter, netdev);
1831                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1832                         }
1833                 }
1834
1835                 netif_device_attach(netdev);
1836         }
1837
1838         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1839         return err;
1840 }
1841
1842 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1843 {
1844         struct qlcnic_hardware_context *ahw = adapter->ahw;
1845         u16 act_pci_fn = ahw->act_pci_func;
1846         u16 count;
1847
1848         ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1849         if (act_pci_fn <= 2)
1850                 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
1851                          act_pci_fn;
1852         else
1853                 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
1854                          act_pci_fn;
1855         ahw->max_uc_count = count;
1856 }
1857
1858 int
1859 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1860                     int pci_using_dac)
1861 {
1862         int err;
1863         struct pci_dev *pdev = adapter->pdev;
1864
1865         adapter->rx_csum = 1;
1866         adapter->ahw->mc_enabled = 0;
1867         qlcnic_set_mac_filter_count(adapter);
1868
1869         netdev->netdev_ops         = &qlcnic_netdev_ops;
1870         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
1871
1872         qlcnic_change_mtu(netdev, netdev->mtu);
1873
1874         if (qlcnic_sriov_vf_check(adapter))
1875                 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1876         else
1877                 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1878
1879         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1880                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1881                              NETIF_F_HW_VLAN_CTAG_RX);
1882         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1883                                   NETIF_F_IPV6_CSUM);
1884
1885         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1886                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1887                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1888         }
1889
1890         if (pci_using_dac) {
1891                 netdev->features |= NETIF_F_HIGHDMA;
1892                 netdev->vlan_features |= NETIF_F_HIGHDMA;
1893         }
1894
1895         if (qlcnic_vlan_tx_check(adapter))
1896                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
1897
1898         if (qlcnic_sriov_vf_check(adapter))
1899                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1900
1901         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1902                 netdev->features |= NETIF_F_LRO;
1903
1904         netdev->hw_features = netdev->features;
1905         netdev->priv_flags |= IFF_UNICAST_FLT;
1906         netdev->irq = adapter->msix_entries[0].vector;
1907
1908         err = register_netdev(netdev);
1909         if (err) {
1910                 dev_err(&pdev->dev, "failed to register net device\n");
1911                 return err;
1912         }
1913
1914         return 0;
1915 }
1916
1917 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1918 {
1919         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1920                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1921                 *pci_using_dac = 1;
1922         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1923                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1924                 *pci_using_dac = 0;
1925         else {
1926                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1927                 return -EIO;
1928         }
1929
1930         return 0;
1931 }
1932
1933 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1934 {
1935         int ring;
1936         struct qlcnic_host_tx_ring *tx_ring;
1937
1938         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1939                 tx_ring = &adapter->tx_ring[ring];
1940                 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1941                         vfree(tx_ring->cmd_buf_arr);
1942                         tx_ring->cmd_buf_arr = NULL;
1943                 }
1944         }
1945         if (adapter->tx_ring != NULL)
1946                 kfree(adapter->tx_ring);
1947 }
1948
1949 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1950                           struct net_device *netdev)
1951 {
1952         int ring, vector, index;
1953         struct qlcnic_host_tx_ring *tx_ring;
1954         struct qlcnic_cmd_buffer *cmd_buf_arr;
1955
1956         tx_ring = kcalloc(adapter->max_drv_tx_rings,
1957                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1958         if (tx_ring == NULL)
1959                 return -ENOMEM;
1960
1961         adapter->tx_ring = tx_ring;
1962
1963         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1964                 tx_ring = &adapter->tx_ring[ring];
1965                 tx_ring->num_desc = adapter->num_txd;
1966                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1967                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1968                 if (cmd_buf_arr == NULL) {
1969                         qlcnic_free_tx_rings(adapter);
1970                         return -ENOMEM;
1971                 }
1972                 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1973                 tx_ring->cmd_buf_arr = cmd_buf_arr;
1974         }
1975
1976         if (qlcnic_83xx_check(adapter)) {
1977                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1978                         tx_ring = &adapter->tx_ring[ring];
1979                         tx_ring->adapter = adapter;
1980                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1981                                 index = adapter->max_sds_rings + ring;
1982                                 vector = adapter->msix_entries[index].vector;
1983                                 tx_ring->irq = vector;
1984                         }
1985                 }
1986         }
1987         return 0;
1988 }
1989
1990 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
1991 {
1992         struct qlcnic_hardware_context *ahw = adapter->ahw;
1993         u32 fw_cmd = 0;
1994
1995         if (qlcnic_82xx_check(adapter))
1996                 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
1997         else if (qlcnic_83xx_check(adapter))
1998                 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
1999
2000         if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2001             (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2002                 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2003 }
2004
2005 static int
2006 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2007 {
2008         struct net_device *netdev = NULL;
2009         struct qlcnic_adapter *adapter = NULL;
2010         struct qlcnic_hardware_context *ahw;
2011         int err, pci_using_dac = -1;
2012         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2013
2014         if (pdev->is_virtfn)
2015                 return -ENODEV;
2016
2017         err = pci_enable_device(pdev);
2018         if (err)
2019                 return err;
2020
2021         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2022                 err = -ENODEV;
2023                 goto err_out_disable_pdev;
2024         }
2025
2026         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2027         if (err)
2028                 goto err_out_disable_pdev;
2029
2030         err = pci_request_regions(pdev, qlcnic_driver_name);
2031         if (err)
2032                 goto err_out_disable_pdev;
2033
2034         pci_set_master(pdev);
2035         pci_enable_pcie_error_reporting(pdev);
2036
2037         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2038         if (!ahw) {
2039                 err = -ENOMEM;
2040                 goto err_out_free_res;
2041         }
2042
2043         switch (ent->device) {
2044         case PCI_DEVICE_ID_QLOGIC_QLE824X:
2045                 ahw->hw_ops = &qlcnic_hw_ops;
2046                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2047                 break;
2048         case PCI_DEVICE_ID_QLOGIC_QLE834X:
2049                 qlcnic_83xx_register_map(ahw);
2050                 break;
2051         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2052                 qlcnic_sriov_vf_register_map(ahw);
2053                 break;
2054         default:
2055                 goto err_out_free_hw_res;
2056         }
2057
2058         err = qlcnic_setup_pci_map(pdev, ahw);
2059         if (err)
2060                 goto err_out_free_hw_res;
2061
2062         netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2063         if (!netdev) {
2064                 err = -ENOMEM;
2065                 goto err_out_iounmap;
2066         }
2067
2068         SET_NETDEV_DEV(netdev, &pdev->dev);
2069
2070         adapter = netdev_priv(netdev);
2071         adapter->netdev  = netdev;
2072         adapter->pdev    = pdev;
2073         adapter->ahw = ahw;
2074
2075         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2076         if (adapter->qlcnic_wq == NULL) {
2077                 err = -ENOMEM;
2078                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2079                 goto err_out_free_netdev;
2080         }
2081
2082         err = qlcnic_alloc_adapter_resources(adapter);
2083         if (err)
2084                 goto err_out_free_netdev;
2085
2086         adapter->dev_rst_time = jiffies;
2087         adapter->ahw->revision_id = pdev->revision;
2088         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2089                 adapter->fdb_mac_learn = true;
2090         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2091                 adapter->drv_mac_learn = true;
2092         adapter->max_drv_tx_rings = 1;
2093
2094         rwlock_init(&adapter->ahw->crb_lock);
2095         mutex_init(&adapter->ahw->mem_lock);
2096
2097         spin_lock_init(&adapter->tx_clean_lock);
2098         INIT_LIST_HEAD(&adapter->mac_list);
2099
2100         if (qlcnic_82xx_check(adapter)) {
2101                 qlcnic_check_vf(adapter, ent);
2102                 adapter->portnum = adapter->ahw->pci_func;
2103                 err = qlcnic_start_firmware(adapter);
2104                 if (err) {
2105                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2106                         goto err_out_free_hw;
2107                 }
2108
2109                 err = qlcnic_setup_idc_param(adapter);
2110                 if (err)
2111                         goto err_out_free_hw;
2112
2113                 adapter->flags |= QLCNIC_NEED_FLR;
2114         } else if (qlcnic_83xx_check(adapter)) {
2115                 qlcnic_83xx_check_vf(adapter, ent);
2116                 adapter->portnum = adapter->ahw->pci_func;
2117                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2118                 if (err) {
2119                         dev_err(&pdev->dev, "%s: failed\n", __func__);
2120                         goto err_out_free_hw;
2121                 }
2122                 if (qlcnic_sriov_vf_check(adapter))
2123                         return 0;
2124         } else {
2125                 dev_err(&pdev->dev,
2126                         "%s: failed. Please Reboot\n", __func__);
2127                 goto err_out_free_hw;
2128         }
2129
2130         if (qlcnic_read_mac_addr(adapter))
2131                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2132
2133         if (adapter->portnum == 0) {
2134                 qlcnic_get_board_name(adapter, board_name);
2135
2136                 pr_info("%s: %s Board Chip rev 0x%x\n",
2137                         module_name(THIS_MODULE),
2138                         board_name, adapter->ahw->revision_id);
2139         }
2140
2141         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2142             !!qlcnic_use_msi)
2143                 dev_warn(&pdev->dev,
2144                          "83xx adapter do not support MSI interrupts\n");
2145
2146         err = qlcnic_setup_intr(adapter, 0);
2147         if (err) {
2148                 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2149                 goto err_out_disable_msi;
2150         }
2151
2152         if (qlcnic_83xx_check(adapter)) {
2153                 err = qlcnic_83xx_setup_mbx_intr(adapter);
2154                 if (err)
2155                         goto err_out_disable_msi;
2156         }
2157
2158         err = qlcnic_get_act_pci_func(adapter);
2159         if (err)
2160                 goto err_out_disable_mbx_intr;
2161
2162         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2163         if (err)
2164                 goto err_out_disable_mbx_intr;
2165
2166         qlcnic_set_drv_version(adapter);
2167
2168         pci_set_drvdata(pdev, adapter);
2169
2170         if (qlcnic_82xx_check(adapter))
2171                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2172                                      FW_POLL_DELAY);
2173
2174         switch (adapter->ahw->port_type) {
2175         case QLCNIC_GBE:
2176                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2177                                 adapter->netdev->name);
2178                 break;
2179         case QLCNIC_XGBE:
2180                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2181                                 adapter->netdev->name);
2182                 break;
2183         }
2184
2185         if (adapter->drv_mac_learn)
2186                 qlcnic_alloc_lb_filters_mem(adapter);
2187
2188         qlcnic_add_sysfs(adapter);
2189
2190         return 0;
2191
2192 err_out_disable_mbx_intr:
2193         if (qlcnic_83xx_check(adapter))
2194                 qlcnic_83xx_free_mbx_intr(adapter);
2195
2196 err_out_disable_msi:
2197         qlcnic_teardown_intr(adapter);
2198         qlcnic_cancel_idc_work(adapter);
2199         qlcnic_clr_all_drv_state(adapter, 0);
2200
2201 err_out_free_hw:
2202         qlcnic_free_adapter_resources(adapter);
2203
2204 err_out_free_netdev:
2205         free_netdev(netdev);
2206
2207 err_out_iounmap:
2208         qlcnic_cleanup_pci_map(ahw);
2209
2210 err_out_free_hw_res:
2211         kfree(ahw);
2212
2213 err_out_free_res:
2214         pci_release_regions(pdev);
2215
2216 err_out_disable_pdev:
2217         pci_set_drvdata(pdev, NULL);
2218         pci_disable_device(pdev);
2219         return err;
2220 }
2221
2222 static void qlcnic_remove(struct pci_dev *pdev)
2223 {
2224         struct qlcnic_adapter *adapter;
2225         struct net_device *netdev;
2226         struct qlcnic_hardware_context *ahw;
2227
2228         adapter = pci_get_drvdata(pdev);
2229         if (adapter == NULL)
2230                 return;
2231
2232         netdev = adapter->netdev;
2233         qlcnic_sriov_pf_disable(adapter);
2234
2235         qlcnic_cancel_idc_work(adapter);
2236         ahw = adapter->ahw;
2237
2238         unregister_netdev(netdev);
2239         qlcnic_sriov_cleanup(adapter);
2240
2241         if (qlcnic_83xx_check(adapter)) {
2242                 qlcnic_83xx_free_mbx_intr(adapter);
2243                 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2244                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2245         }
2246
2247         qlcnic_detach(adapter);
2248
2249         if (adapter->npars != NULL)
2250                 kfree(adapter->npars);
2251         if (adapter->eswitch != NULL)
2252                 kfree(adapter->eswitch);
2253
2254         if (qlcnic_82xx_check(adapter))
2255                 qlcnic_clr_all_drv_state(adapter, 0);
2256
2257         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2258
2259         qlcnic_free_lb_filters_mem(adapter);
2260
2261         qlcnic_teardown_intr(adapter);
2262
2263         qlcnic_remove_sysfs(adapter);
2264
2265         qlcnic_cleanup_pci_map(adapter->ahw);
2266
2267         qlcnic_release_firmware(adapter);
2268
2269         pci_disable_pcie_error_reporting(pdev);
2270         pci_release_regions(pdev);
2271         pci_disable_device(pdev);
2272         pci_set_drvdata(pdev, NULL);
2273
2274         if (adapter->qlcnic_wq) {
2275                 destroy_workqueue(adapter->qlcnic_wq);
2276                 adapter->qlcnic_wq = NULL;
2277         }
2278         qlcnic_free_adapter_resources(adapter);
2279         kfree(ahw);
2280         free_netdev(netdev);
2281 }
2282
2283 static void qlcnic_shutdown(struct pci_dev *pdev)
2284 {
2285         if (__qlcnic_shutdown(pdev))
2286                 return;
2287
2288         pci_disable_device(pdev);
2289 }
2290
2291 #ifdef CONFIG_PM
2292 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2293 {
2294         int retval;
2295
2296         retval = __qlcnic_shutdown(pdev);
2297         if (retval)
2298                 return retval;
2299
2300         pci_set_power_state(pdev, pci_choose_state(pdev, state));
2301         return 0;
2302 }
2303
2304 static int qlcnic_resume(struct pci_dev *pdev)
2305 {
2306         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2307         int err;
2308
2309         err = pci_enable_device(pdev);
2310         if (err)
2311                 return err;
2312
2313         pci_set_power_state(pdev, PCI_D0);
2314         pci_set_master(pdev);
2315         pci_restore_state(pdev);
2316
2317         return  __qlcnic_resume(adapter);
2318 }
2319 #endif
2320
2321 static int qlcnic_open(struct net_device *netdev)
2322 {
2323         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2324         int err;
2325
2326         netif_carrier_off(netdev);
2327
2328         err = qlcnic_attach(adapter);
2329         if (err)
2330                 return err;
2331
2332         err = __qlcnic_up(adapter, netdev);
2333         if (err)
2334                 goto err_out;
2335
2336         netif_start_queue(netdev);
2337
2338         return 0;
2339
2340 err_out:
2341         qlcnic_detach(adapter);
2342         return err;
2343 }
2344
2345 /*
2346  * qlcnic_close - Disables a network interface entry point
2347  */
2348 static int qlcnic_close(struct net_device *netdev)
2349 {
2350         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2351
2352         __qlcnic_down(adapter, netdev);
2353
2354         return 0;
2355 }
2356
2357 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2358 {
2359         void *head;
2360         int i;
2361         struct net_device *netdev = adapter->netdev;
2362         u32 filter_size = 0;
2363         u16 act_pci_func = 0;
2364
2365         if (adapter->fhash.fmax && adapter->fhash.fhead)
2366                 return;
2367
2368         act_pci_func = adapter->ahw->act_pci_func;
2369         spin_lock_init(&adapter->mac_learn_lock);
2370         spin_lock_init(&adapter->rx_mac_learn_lock);
2371
2372         if (qlcnic_82xx_check(adapter)) {
2373                 filter_size = QLCNIC_LB_MAX_FILTERS;
2374                 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2375         } else {
2376                 filter_size = QLC_83XX_LB_MAX_FILTERS;
2377                 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2378         }
2379
2380         head = kcalloc(adapter->fhash.fbucket_size,
2381                        sizeof(struct hlist_head), GFP_ATOMIC);
2382
2383         if (!head)
2384                 return;
2385
2386         adapter->fhash.fmax = (filter_size / act_pci_func);
2387         adapter->fhash.fhead = head;
2388
2389         netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2390                     act_pci_func, adapter->fhash.fmax);
2391
2392         for (i = 0; i < adapter->fhash.fbucket_size; i++)
2393                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2394
2395         adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2396
2397         head = kcalloc(adapter->rx_fhash.fbucket_size,
2398                        sizeof(struct hlist_head), GFP_ATOMIC);
2399
2400         if (!head)
2401                 return;
2402
2403         adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2404         adapter->rx_fhash.fhead = head;
2405
2406         for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2407                 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2408 }
2409
2410 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2411 {
2412         if (adapter->fhash.fmax && adapter->fhash.fhead)
2413                 kfree(adapter->fhash.fhead);
2414
2415         adapter->fhash.fhead = NULL;
2416         adapter->fhash.fmax = 0;
2417
2418         if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2419                 kfree(adapter->rx_fhash.fhead);
2420
2421         adapter->rx_fhash.fmax = 0;
2422         adapter->rx_fhash.fhead = NULL;
2423 }
2424
2425 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2426 {
2427         struct net_device *netdev = adapter->netdev;
2428         u32 temp_state, temp_val, temp = 0;
2429         int rv = 0;
2430
2431         if (qlcnic_83xx_check(adapter))
2432                 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2433
2434         if (qlcnic_82xx_check(adapter))
2435                 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2436
2437         temp_state = qlcnic_get_temp_state(temp);
2438         temp_val = qlcnic_get_temp_val(temp);
2439
2440         if (temp_state == QLCNIC_TEMP_PANIC) {
2441                 dev_err(&netdev->dev,
2442                        "Device temperature %d degrees C exceeds"
2443                        " maximum allowed. Hardware has been shut down.\n",
2444                        temp_val);
2445                 rv = 1;
2446         } else if (temp_state == QLCNIC_TEMP_WARN) {
2447                 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2448                         dev_err(&netdev->dev,
2449                                "Device temperature %d degrees C "
2450                                "exceeds operating range."
2451                                " Immediate action needed.\n",
2452                                temp_val);
2453                 }
2454         } else {
2455                 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2456                         dev_info(&netdev->dev,
2457                                "Device temperature is now %d degrees C"
2458                                " in normal range.\n", temp_val);
2459                 }
2460         }
2461         adapter->ahw->temp = temp_state;
2462         return rv;
2463 }
2464
2465 static void qlcnic_tx_timeout(struct net_device *netdev)
2466 {
2467         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2468
2469         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2470                 return;
2471
2472         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2473                 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2474                 if (qlcnic_82xx_check(adapter))
2475                         adapter->need_fw_reset = 1;
2476                 else if (qlcnic_83xx_check(adapter))
2477                         qlcnic_83xx_idc_request_reset(adapter,
2478                                                       QLCNIC_FORCE_FW_DUMP_KEY);
2479         } else {
2480                 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2481                 adapter->ahw->reset_context = 1;
2482         }
2483 }
2484
2485 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2486 {
2487         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2488         struct net_device_stats *stats = &netdev->stats;
2489
2490         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2491         stats->tx_packets = adapter->stats.xmitfinished;
2492         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2493         stats->tx_bytes = adapter->stats.txbytes;
2494         stats->rx_dropped = adapter->stats.rxdropped;
2495         stats->tx_dropped = adapter->stats.txdropped;
2496
2497         return stats;
2498 }
2499
2500 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2501 {
2502         u32 status;
2503
2504         status = readl(adapter->isr_int_vec);
2505
2506         if (!(status & adapter->ahw->int_vec_bit))
2507                 return IRQ_NONE;
2508
2509         /* check interrupt state machine, to be sure */
2510         status = readl(adapter->crb_int_state_reg);
2511         if (!ISR_LEGACY_INT_TRIGGERED(status))
2512                 return IRQ_NONE;
2513
2514         writel(0xffffffff, adapter->tgt_status_reg);
2515         /* read twice to ensure write is flushed */
2516         readl(adapter->isr_int_vec);
2517         readl(adapter->isr_int_vec);
2518
2519         return IRQ_HANDLED;
2520 }
2521
2522 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2523 {
2524         struct qlcnic_host_sds_ring *sds_ring = data;
2525         struct qlcnic_adapter *adapter = sds_ring->adapter;
2526
2527         if (adapter->flags & QLCNIC_MSIX_ENABLED)
2528                 goto done;
2529         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2530                 writel(0xffffffff, adapter->tgt_status_reg);
2531                 goto done;
2532         }
2533
2534         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2535                 return IRQ_NONE;
2536
2537 done:
2538         adapter->ahw->diag_cnt++;
2539         qlcnic_enable_int(sds_ring);
2540         return IRQ_HANDLED;
2541 }
2542
2543 static irqreturn_t qlcnic_intr(int irq, void *data)
2544 {
2545         struct qlcnic_host_sds_ring *sds_ring = data;
2546         struct qlcnic_adapter *adapter = sds_ring->adapter;
2547
2548         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2549                 return IRQ_NONE;
2550
2551         napi_schedule(&sds_ring->napi);
2552
2553         return IRQ_HANDLED;
2554 }
2555
2556 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2557 {
2558         struct qlcnic_host_sds_ring *sds_ring = data;
2559         struct qlcnic_adapter *adapter = sds_ring->adapter;
2560
2561         /* clear interrupt */
2562         writel(0xffffffff, adapter->tgt_status_reg);
2563
2564         napi_schedule(&sds_ring->napi);
2565         return IRQ_HANDLED;
2566 }
2567
2568 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2569 {
2570         struct qlcnic_host_sds_ring *sds_ring = data;
2571
2572         napi_schedule(&sds_ring->napi);
2573         return IRQ_HANDLED;
2574 }
2575
2576 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2577 {
2578         struct qlcnic_host_tx_ring *tx_ring = data;
2579
2580         napi_schedule(&tx_ring->napi);
2581         return IRQ_HANDLED;
2582 }
2583
2584 #ifdef CONFIG_NET_POLL_CONTROLLER
2585 static void qlcnic_poll_controller(struct net_device *netdev)
2586 {
2587         int ring;
2588         struct qlcnic_host_sds_ring *sds_ring;
2589         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2590         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2591
2592         disable_irq(adapter->irq);
2593         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2594                 sds_ring = &recv_ctx->sds_rings[ring];
2595                 qlcnic_intr(adapter->irq, sds_ring);
2596         }
2597         enable_irq(adapter->irq);
2598 }
2599 #endif
2600
2601 static void
2602 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2603 {
2604         u32 val;
2605
2606         val = adapter->portnum & 0xf;
2607         val |= encoding << 7;
2608         val |= (jiffies - adapter->dev_rst_time) << 8;
2609
2610         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2611         adapter->dev_rst_time = jiffies;
2612 }
2613
2614 static int
2615 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2616 {
2617         u32  val;
2618
2619         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2620                         state != QLCNIC_DEV_NEED_QUISCENT);
2621
2622         if (qlcnic_api_lock(adapter))
2623                 return -EIO;
2624
2625         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2626
2627         if (state == QLCNIC_DEV_NEED_RESET)
2628                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2629         else if (state == QLCNIC_DEV_NEED_QUISCENT)
2630                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2631
2632         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2633
2634         qlcnic_api_unlock(adapter);
2635
2636         return 0;
2637 }
2638
2639 static int
2640 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2641 {
2642         u32  val;
2643
2644         if (qlcnic_api_lock(adapter))
2645                 return -EBUSY;
2646
2647         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2648         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2649         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2650
2651         qlcnic_api_unlock(adapter);
2652
2653         return 0;
2654 }
2655
2656 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2657 {
2658         u32  val;
2659
2660         if (qlcnic_api_lock(adapter))
2661                 goto err;
2662
2663         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2664         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2665         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2666
2667         if (failed) {
2668                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2669                                     QLCNIC_DEV_FAILED);
2670                 dev_info(&adapter->pdev->dev,
2671                                 "Device state set to Failed. Please Reboot\n");
2672         } else if (!(val & 0x11111111))
2673                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2674                                     QLCNIC_DEV_COLD);
2675
2676         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2677         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2678         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2679
2680         qlcnic_api_unlock(adapter);
2681 err:
2682         adapter->fw_fail_cnt = 0;
2683         adapter->flags &= ~QLCNIC_FW_HANG;
2684         clear_bit(__QLCNIC_START_FW, &adapter->state);
2685         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2686 }
2687
2688 /* Grab api lock, before checking state */
2689 static int
2690 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2691 {
2692         int act, state, active_mask;
2693         struct qlcnic_hardware_context *ahw = adapter->ahw;
2694
2695         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2696         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2697
2698         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2699                 active_mask = (~(1 << (ahw->pci_func * 4)));
2700                 act = act & active_mask;
2701         }
2702
2703         if (((state & 0x11111111) == (act & 0x11111111)) ||
2704                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2705                 return 0;
2706         else
2707                 return 1;
2708 }
2709
2710 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2711 {
2712         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2713
2714         if (val != QLCNIC_DRV_IDC_VER) {
2715                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2716                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2717         }
2718
2719         return 0;
2720 }
2721
2722 static int
2723 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2724 {
2725         u32 val, prev_state;
2726         u8 dev_init_timeo = adapter->dev_init_timeo;
2727         u8 portnum = adapter->portnum;
2728         u8 ret;
2729
2730         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2731                 return 1;
2732
2733         if (qlcnic_api_lock(adapter))
2734                 return -1;
2735
2736         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2737         if (!(val & (1 << (portnum * 4)))) {
2738                 QLC_DEV_SET_REF_CNT(val, portnum);
2739                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2740         }
2741
2742         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2743         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2744
2745         switch (prev_state) {
2746         case QLCNIC_DEV_COLD:
2747                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2748                                     QLCNIC_DEV_INITIALIZING);
2749                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2750                                     QLCNIC_DRV_IDC_VER);
2751                 qlcnic_idc_debug_info(adapter, 0);
2752                 qlcnic_api_unlock(adapter);
2753                 return 1;
2754
2755         case QLCNIC_DEV_READY:
2756                 ret = qlcnic_check_idc_ver(adapter);
2757                 qlcnic_api_unlock(adapter);
2758                 return ret;
2759
2760         case QLCNIC_DEV_NEED_RESET:
2761                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2762                 QLC_DEV_SET_RST_RDY(val, portnum);
2763                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2764                 break;
2765
2766         case QLCNIC_DEV_NEED_QUISCENT:
2767                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2768                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2769                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2770                 break;
2771
2772         case QLCNIC_DEV_FAILED:
2773                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2774                 qlcnic_api_unlock(adapter);
2775                 return -1;
2776
2777         case QLCNIC_DEV_INITIALIZING:
2778         case QLCNIC_DEV_QUISCENT:
2779                 break;
2780         }
2781
2782         qlcnic_api_unlock(adapter);
2783
2784         do {
2785                 msleep(1000);
2786                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2787
2788                 if (prev_state == QLCNIC_DEV_QUISCENT)
2789                         continue;
2790         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2791
2792         if (!dev_init_timeo) {
2793                 dev_err(&adapter->pdev->dev,
2794                         "Waiting for device to initialize timeout\n");
2795                 return -1;
2796         }
2797
2798         if (qlcnic_api_lock(adapter))
2799                 return -1;
2800
2801         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2802         QLC_DEV_CLR_RST_QSCNT(val, portnum);
2803         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2804
2805         ret = qlcnic_check_idc_ver(adapter);
2806         qlcnic_api_unlock(adapter);
2807
2808         return ret;
2809 }
2810
2811 static void
2812 qlcnic_fwinit_work(struct work_struct *work)
2813 {
2814         struct qlcnic_adapter *adapter = container_of(work,
2815                         struct qlcnic_adapter, fw_work.work);
2816         u32 dev_state = 0xf;
2817         u32 val;
2818
2819         if (qlcnic_api_lock(adapter))
2820                 goto err_ret;
2821
2822         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2823         if (dev_state == QLCNIC_DEV_QUISCENT ||
2824             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2825                 qlcnic_api_unlock(adapter);
2826                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2827                                                 FW_POLL_DELAY * 2);
2828                 return;
2829         }
2830
2831         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2832                 qlcnic_api_unlock(adapter);
2833                 goto wait_npar;
2834         }
2835
2836         if (dev_state == QLCNIC_DEV_INITIALIZING ||
2837             dev_state == QLCNIC_DEV_READY) {
2838                 dev_info(&adapter->pdev->dev, "Detected state change from "
2839                                 "DEV_NEED_RESET, skipping ack check\n");
2840                 goto skip_ack_check;
2841         }
2842
2843         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2844                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2845                                         adapter->reset_ack_timeo);
2846                 goto skip_ack_check;
2847         }
2848
2849         if (!qlcnic_check_drv_state(adapter)) {
2850 skip_ack_check:
2851                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2852
2853                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2854                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2855                                             QLCNIC_DEV_INITIALIZING);
2856                         set_bit(__QLCNIC_START_FW, &adapter->state);
2857                         QLCDB(adapter, DRV, "Restarting fw\n");
2858                         qlcnic_idc_debug_info(adapter, 0);
2859                         val = QLC_SHARED_REG_RD32(adapter,
2860                                                   QLCNIC_CRB_DRV_STATE);
2861                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2862                         QLC_SHARED_REG_WR32(adapter,
2863                                             QLCNIC_CRB_DRV_STATE, val);
2864                 }
2865
2866                 qlcnic_api_unlock(adapter);
2867
2868                 rtnl_lock();
2869                 if (adapter->ahw->fw_dump.enable &&
2870                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2871                         QLCDB(adapter, DRV, "Take FW dump\n");
2872                         qlcnic_dump_fw(adapter);
2873                         adapter->flags |= QLCNIC_FW_HANG;
2874                 }
2875                 rtnl_unlock();
2876
2877                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2878                 if (!adapter->nic_ops->start_firmware(adapter)) {
2879                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2880                         adapter->fw_wait_cnt = 0;
2881                         return;
2882                 }
2883                 goto err_ret;
2884         }
2885
2886         qlcnic_api_unlock(adapter);
2887
2888 wait_npar:
2889         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2890         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2891
2892         switch (dev_state) {
2893         case QLCNIC_DEV_READY:
2894                 if (!qlcnic_start_firmware(adapter)) {
2895                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2896                         adapter->fw_wait_cnt = 0;
2897                         return;
2898                 }
2899         case QLCNIC_DEV_FAILED:
2900                 break;
2901         default:
2902                 qlcnic_schedule_work(adapter,
2903                         qlcnic_fwinit_work, FW_POLL_DELAY);
2904                 return;
2905         }
2906
2907 err_ret:
2908         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2909                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2910         netif_device_attach(adapter->netdev);
2911         qlcnic_clr_all_drv_state(adapter, 0);
2912 }
2913
2914 static void
2915 qlcnic_detach_work(struct work_struct *work)
2916 {
2917         struct qlcnic_adapter *adapter = container_of(work,
2918                         struct qlcnic_adapter, fw_work.work);
2919         struct net_device *netdev = adapter->netdev;
2920         u32 status;
2921
2922         netif_device_detach(netdev);
2923
2924         /* Dont grab rtnl lock during Quiscent mode */
2925         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2926                 if (netif_running(netdev))
2927                         __qlcnic_down(adapter, netdev);
2928         } else
2929                 qlcnic_down(adapter, netdev);
2930
2931         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2932
2933         if (status & QLCNIC_RCODE_FATAL_ERROR) {
2934                 dev_err(&adapter->pdev->dev,
2935                         "Detaching the device: peg halt status1=0x%x\n",
2936                                         status);
2937
2938                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2939                         dev_err(&adapter->pdev->dev,
2940                         "On board active cooling fan failed. "
2941                                 "Device has been halted.\n");
2942                         dev_err(&adapter->pdev->dev,
2943                                 "Replace the adapter.\n");
2944                 }
2945
2946                 goto err_ret;
2947         }
2948
2949         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2950                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2951                         adapter->ahw->temp);
2952                 goto err_ret;
2953         }
2954
2955         /* Dont ack if this instance is the reset owner */
2956         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2957                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2958                         dev_err(&adapter->pdev->dev,
2959                                 "Failed to set driver state,"
2960                                         "detaching the device.\n");
2961                         goto err_ret;
2962                 }
2963         }
2964
2965         adapter->fw_wait_cnt = 0;
2966
2967         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2968
2969         return;
2970
2971 err_ret:
2972         netif_device_attach(netdev);
2973         qlcnic_clr_all_drv_state(adapter, 1);
2974 }
2975
2976 /*Transit NPAR state to NON Operational */
2977 static void
2978 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2979 {
2980         u32 state;
2981
2982         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2983         if (state == QLCNIC_DEV_NPAR_NON_OPER)
2984                 return;
2985
2986         if (qlcnic_api_lock(adapter))
2987                 return;
2988         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2989                             QLCNIC_DEV_NPAR_NON_OPER);
2990         qlcnic_api_unlock(adapter);
2991 }
2992
2993 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
2994 {
2995         u32 state, xg_val = 0, gb_val = 0;
2996
2997         qlcnic_xg_set_xg0_mask(xg_val);
2998         qlcnic_xg_set_xg1_mask(xg_val);
2999         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3000         qlcnic_gb_set_gb0_mask(gb_val);
3001         qlcnic_gb_set_gb1_mask(gb_val);
3002         qlcnic_gb_set_gb2_mask(gb_val);
3003         qlcnic_gb_set_gb3_mask(gb_val);
3004         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3005         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3006                                 " on all ports\n");
3007         adapter->need_fw_reset = 1;
3008
3009         if (qlcnic_api_lock(adapter))
3010                 return;
3011
3012         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3013
3014         if (state == QLCNIC_DEV_READY) {
3015                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3016                                     QLCNIC_DEV_NEED_RESET);
3017                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3018                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3019                 qlcnic_idc_debug_info(adapter, 0);
3020         }
3021
3022         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3023                             QLCNIC_DEV_NPAR_NON_OPER);
3024         qlcnic_api_unlock(adapter);
3025 }
3026
3027 /* Transit to NPAR READY state from NPAR NOT READY state */
3028 static void
3029 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3030 {
3031         if (qlcnic_api_lock(adapter))
3032                 return;
3033
3034         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3035                             QLCNIC_DEV_NPAR_OPER);
3036         QLCDB(adapter, DRV, "NPAR operational state set\n");
3037
3038         qlcnic_api_unlock(adapter);
3039 }
3040
3041 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3042                           work_func_t func, int delay)
3043 {
3044         if (test_bit(__QLCNIC_AER, &adapter->state))
3045                 return;
3046
3047         INIT_DELAYED_WORK(&adapter->fw_work, func);
3048         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3049                            round_jiffies_relative(delay));
3050 }
3051
3052 static void
3053 qlcnic_attach_work(struct work_struct *work)
3054 {
3055         struct qlcnic_adapter *adapter = container_of(work,
3056                                 struct qlcnic_adapter, fw_work.work);
3057         struct net_device *netdev = adapter->netdev;
3058         u32 npar_state;
3059
3060         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3061                 npar_state = QLC_SHARED_REG_RD32(adapter,
3062                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3063                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3064                         qlcnic_clr_all_drv_state(adapter, 0);
3065                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3066                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3067                                                         FW_POLL_DELAY);
3068                 else
3069                         goto attach;
3070                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3071                 return;
3072         }
3073 attach:
3074         if (netif_running(netdev)) {
3075                 if (qlcnic_up(adapter, netdev))
3076                         goto done;
3077
3078                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3079         }
3080
3081 done:
3082         netif_device_attach(netdev);
3083         adapter->fw_fail_cnt = 0;
3084         adapter->flags &= ~QLCNIC_FW_HANG;
3085         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3086         qlcnic_set_drv_version(adapter);
3087
3088         if (!qlcnic_clr_drv_state(adapter))
3089                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3090                                                         FW_POLL_DELAY);
3091 }
3092
3093 static int
3094 qlcnic_check_health(struct qlcnic_adapter *adapter)
3095 {
3096         u32 state = 0, heartbeat;
3097         u32 peg_status;
3098
3099         if (qlcnic_check_temp(adapter))
3100                 goto detach;
3101
3102         if (adapter->need_fw_reset)
3103                 qlcnic_dev_request_reset(adapter, 0);
3104
3105         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3106         if (state == QLCNIC_DEV_NEED_RESET) {
3107                 qlcnic_set_npar_non_operational(adapter);
3108                 adapter->need_fw_reset = 1;
3109         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3110                 goto detach;
3111
3112         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3113         if (heartbeat != adapter->heartbeat) {
3114                 adapter->heartbeat = heartbeat;
3115                 adapter->fw_fail_cnt = 0;
3116                 if (adapter->need_fw_reset)
3117                         goto detach;
3118
3119                 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
3120                         qlcnic_reset_hw_context(adapter);
3121
3122                 return 0;
3123         }
3124
3125         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3126                 return 0;
3127
3128         adapter->flags |= QLCNIC_FW_HANG;
3129
3130         qlcnic_dev_request_reset(adapter, 0);
3131
3132         if (qlcnic_auto_fw_reset)
3133                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3134
3135         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3136         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3137         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3138                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3139                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3140                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3141                         "PEG_NET_4_PC: 0x%x\n",
3142                         peg_status,
3143                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3144                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3145                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3146                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3147                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3148                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3149         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3150                 dev_err(&adapter->pdev->dev,
3151                         "Firmware aborted with error code 0x00006700. "
3152                                 "Device is being reset.\n");
3153 detach:
3154         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3155                 QLCNIC_DEV_NEED_RESET;
3156
3157         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3158                                                       &adapter->state)) {
3159
3160                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3161                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3162         }
3163
3164         return 1;
3165 }
3166
3167 void qlcnic_fw_poll_work(struct work_struct *work)
3168 {
3169         struct qlcnic_adapter *adapter = container_of(work,
3170                                 struct qlcnic_adapter, fw_work.work);
3171
3172         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3173                 goto reschedule;
3174
3175
3176         if (qlcnic_check_health(adapter))
3177                 return;
3178
3179         if (adapter->fhash.fnum)
3180                 qlcnic_prune_lb_filters(adapter);
3181
3182 reschedule:
3183         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3184 }
3185
3186 static int qlcnic_is_first_func(struct pci_dev *pdev)
3187 {
3188         struct pci_dev *oth_pdev;
3189         int val = pdev->devfn;
3190
3191         while (val-- > 0) {
3192                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3193                         (pdev->bus), pdev->bus->number,
3194                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3195                 if (!oth_pdev)
3196                         continue;
3197
3198                 if (oth_pdev->current_state != PCI_D3cold) {
3199                         pci_dev_put(oth_pdev);
3200                         return 0;
3201                 }
3202                 pci_dev_put(oth_pdev);
3203         }
3204         return 1;
3205 }
3206
3207 static int qlcnic_attach_func(struct pci_dev *pdev)
3208 {
3209         int err, first_func;
3210         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3211         struct net_device *netdev = adapter->netdev;
3212
3213         pdev->error_state = pci_channel_io_normal;
3214
3215         err = pci_enable_device(pdev);
3216         if (err)
3217                 return err;
3218
3219         pci_set_master(pdev);
3220         pci_restore_state(pdev);
3221
3222         first_func = qlcnic_is_first_func(pdev);
3223
3224         if (qlcnic_api_lock(adapter))
3225                 return -EINVAL;
3226
3227         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3228                 adapter->need_fw_reset = 1;
3229                 set_bit(__QLCNIC_START_FW, &adapter->state);
3230                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3231                                     QLCNIC_DEV_INITIALIZING);
3232                 QLCDB(adapter, DRV, "Restarting fw\n");
3233         }
3234         qlcnic_api_unlock(adapter);
3235
3236         err = qlcnic_start_firmware(adapter);
3237         if (err)
3238                 return err;
3239
3240         qlcnic_clr_drv_state(adapter);
3241         kfree(adapter->msix_entries);
3242         adapter->msix_entries = NULL;
3243         err = qlcnic_setup_intr(adapter, 0);
3244
3245         if (err) {
3246                 kfree(adapter->msix_entries);
3247                 netdev_err(netdev, "failed to setup interrupt\n");
3248                 return err;
3249         }
3250
3251         if (qlcnic_83xx_check(adapter)) {
3252                 /* register for NIC IDC AEN Events */
3253                 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3254                 err = qlcnic_83xx_setup_mbx_intr(adapter);
3255                 if (err) {
3256                         dev_err(&adapter->pdev->dev,
3257                                 "failed to setup mbx interrupt\n");
3258                         qlcnic_clr_all_drv_state(adapter, 1);
3259                         clear_bit(__QLCNIC_AER, &adapter->state);
3260                         goto done;
3261                 }
3262         }
3263
3264         if (netif_running(netdev)) {
3265                 err = qlcnic_attach(adapter);
3266                 if (err) {
3267                         qlcnic_clr_all_drv_state(adapter, 1);
3268                         clear_bit(__QLCNIC_AER, &adapter->state);
3269                         netif_device_attach(netdev);
3270                         return err;
3271                 }
3272
3273                 err = qlcnic_up(adapter, netdev);
3274                 if (err)
3275                         goto done;
3276
3277                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3278         }
3279  done:
3280         netif_device_attach(netdev);
3281         return err;
3282 }
3283
3284 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3285                                                 pci_channel_state_t state)
3286 {
3287         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3288         struct net_device *netdev = adapter->netdev;
3289
3290         if (state == pci_channel_io_perm_failure)
3291                 return PCI_ERS_RESULT_DISCONNECT;
3292
3293         if (state == pci_channel_io_normal)
3294                 return PCI_ERS_RESULT_RECOVERED;
3295
3296         set_bit(__QLCNIC_AER, &adapter->state);
3297         netif_device_detach(netdev);
3298
3299         cancel_delayed_work_sync(&adapter->fw_work);
3300
3301         if (netif_running(netdev))
3302                 qlcnic_down(adapter, netdev);
3303
3304         if (qlcnic_83xx_check(adapter)) {
3305                 qlcnic_83xx_free_mbx_intr(adapter);
3306                 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3307                 cancel_delayed_work_sync(&adapter->idc_aen_work);
3308         }
3309
3310         qlcnic_detach(adapter);
3311         qlcnic_teardown_intr(adapter);
3312
3313         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3314
3315         pci_save_state(pdev);
3316         pci_disable_device(pdev);
3317
3318         return PCI_ERS_RESULT_NEED_RESET;
3319 }
3320
3321 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3322 {
3323         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3324                                 PCI_ERS_RESULT_RECOVERED;
3325 }
3326
3327 static void qlcnic_io_resume(struct pci_dev *pdev)
3328 {
3329         u32 state;
3330         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3331
3332         pci_cleanup_aer_uncorrect_error_status(pdev);
3333         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3334         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3335                                                             &adapter->state))
3336                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3337                                                 FW_POLL_DELAY);
3338 }
3339
3340 static int
3341 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3342 {
3343         int err;
3344
3345         err = qlcnic_can_start_firmware(adapter);
3346         if (err)
3347                 return err;
3348
3349         err = qlcnic_check_npar_opertional(adapter);
3350         if (err)
3351                 return err;
3352
3353         err = qlcnic_initialize_nic(adapter);
3354         if (err)
3355                 return err;
3356
3357         qlcnic_check_options(adapter);
3358
3359         err = qlcnic_set_eswitch_port_config(adapter);
3360         if (err)
3361                 return err;
3362
3363         adapter->need_fw_reset = 0;
3364
3365         return err;
3366 }
3367
3368 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3369                             __u32 val)
3370 {
3371         struct net_device *netdev = adapter->netdev;
3372         u8 max_hw = adapter->ahw->max_rx_ques;
3373         u32 max_allowed;
3374
3375         if (val > QLC_MAX_SDS_RINGS) {
3376                 netdev_err(netdev, "RSS value should not be higher than %u\n",
3377                            QLC_MAX_SDS_RINGS);
3378                 return -EINVAL;
3379         }
3380
3381         max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3382                                                  num_online_cpus()));
3383         if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3384                 if (!is_power_of_2(val))
3385                         netdev_err(netdev, "RSS value should be a power of 2\n");
3386
3387                 if (val < 2)
3388                         netdev_err(netdev, "RSS value should not be lower than 2\n");
3389
3390                 if (val > max_hw)
3391                         netdev_err(netdev,
3392                                    "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3393                                    max_hw);
3394
3395                 if (val > num_online_cpus())
3396                         netdev_err(netdev,
3397                                    "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3398                                    num_online_cpus());
3399
3400                 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3401
3402                 return -EINVAL;
3403         }
3404         return 0;
3405 }
3406
3407 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
3408 {
3409         int err;
3410         struct net_device *netdev = adapter->netdev;
3411
3412         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3413                 return -EBUSY;
3414
3415         netif_device_detach(netdev);
3416         if (netif_running(netdev))
3417                 __qlcnic_down(adapter, netdev);
3418
3419         qlcnic_detach(adapter);
3420
3421         if (qlcnic_83xx_check(adapter)) {
3422                 qlcnic_83xx_free_mbx_intr(adapter);
3423                 qlcnic_83xx_enable_mbx_poll(adapter);
3424         }
3425
3426         qlcnic_teardown_intr(adapter);
3427         err = qlcnic_setup_intr(adapter, data);
3428         if (err) {
3429                 kfree(adapter->msix_entries);
3430                 netdev_err(netdev, "failed to setup interrupt\n");
3431                 return err;
3432         }
3433
3434         if (qlcnic_83xx_check(adapter)) {
3435                 /* register for NIC IDC AEN Events */
3436                 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3437                 err = qlcnic_83xx_setup_mbx_intr(adapter);
3438                 qlcnic_83xx_disable_mbx_poll(adapter);
3439                 if (err) {
3440                         dev_err(&adapter->pdev->dev,
3441                                 "failed to setup mbx interrupt\n");
3442                         goto done;
3443                 }
3444         }
3445
3446         if (netif_running(netdev)) {
3447                 err = qlcnic_attach(adapter);
3448                 if (err)
3449                         goto done;
3450                 err = __qlcnic_up(adapter, netdev);
3451                 if (err)
3452                         goto done;
3453                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3454         }
3455         err = len;
3456  done:
3457         netif_device_attach(netdev);
3458         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3459         return err;
3460 }
3461
3462 #ifdef CONFIG_INET
3463
3464 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3465
3466 static void
3467 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3468                         struct net_device *dev, unsigned long event)
3469 {
3470         struct in_device *indev;
3471
3472         indev = in_dev_get(dev);
3473         if (!indev)
3474                 return;
3475
3476         for_ifa(indev) {
3477                 switch (event) {
3478                 case NETDEV_UP:
3479                         qlcnic_config_ipaddr(adapter,
3480                                         ifa->ifa_address, QLCNIC_IP_UP);
3481                         break;
3482                 case NETDEV_DOWN:
3483                         qlcnic_config_ipaddr(adapter,
3484                                         ifa->ifa_address, QLCNIC_IP_DOWN);
3485                         break;
3486                 default:
3487                         break;
3488                 }
3489         } endfor_ifa(indev);
3490
3491         in_dev_put(indev);
3492 }
3493
3494 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3495 {
3496         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3497         struct net_device *dev;
3498         u16 vid;
3499
3500         qlcnic_config_indev_addr(adapter, netdev, event);
3501
3502         rcu_read_lock();
3503         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3504                 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3505                 if (!dev)
3506                         continue;
3507                 qlcnic_config_indev_addr(adapter, dev, event);
3508         }
3509         rcu_read_unlock();
3510 }
3511
3512 static int qlcnic_netdev_event(struct notifier_block *this,
3513                                  unsigned long event, void *ptr)
3514 {
3515         struct qlcnic_adapter *adapter;
3516         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3517
3518 recheck:
3519         if (dev == NULL)
3520                 goto done;
3521
3522         if (dev->priv_flags & IFF_802_1Q_VLAN) {
3523                 dev = vlan_dev_real_dev(dev);
3524                 goto recheck;
3525         }
3526
3527         if (!is_qlcnic_netdev(dev))
3528                 goto done;
3529
3530         adapter = netdev_priv(dev);
3531
3532         if (!adapter)
3533                 goto done;
3534
3535         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3536                 goto done;
3537
3538         qlcnic_config_indev_addr(adapter, dev, event);
3539 done:
3540         return NOTIFY_DONE;
3541 }
3542
3543 static int
3544 qlcnic_inetaddr_event(struct notifier_block *this,
3545                 unsigned long event, void *ptr)
3546 {
3547         struct qlcnic_adapter *adapter;
3548         struct net_device *dev;
3549
3550         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3551
3552         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3553
3554 recheck:
3555         if (dev == NULL)
3556                 goto done;
3557
3558         if (dev->priv_flags & IFF_802_1Q_VLAN) {
3559                 dev = vlan_dev_real_dev(dev);
3560                 goto recheck;
3561         }
3562
3563         if (!is_qlcnic_netdev(dev))
3564                 goto done;
3565
3566         adapter = netdev_priv(dev);
3567
3568         if (!adapter)
3569                 goto done;
3570
3571         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3572                 goto done;
3573
3574         switch (event) {
3575         case NETDEV_UP:
3576                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3577
3578                 break;
3579         case NETDEV_DOWN:
3580                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3581
3582                 break;
3583         default:
3584                 break;
3585         }
3586
3587 done:
3588         return NOTIFY_DONE;
3589 }
3590
3591 static struct notifier_block    qlcnic_netdev_cb = {
3592         .notifier_call = qlcnic_netdev_event,
3593 };
3594
3595 static struct notifier_block qlcnic_inetaddr_cb = {
3596         .notifier_call = qlcnic_inetaddr_event,
3597 };
3598 #else
3599 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3600 { }
3601 #endif
3602 static const struct pci_error_handlers qlcnic_err_handler = {
3603         .error_detected = qlcnic_io_error_detected,
3604         .slot_reset = qlcnic_io_slot_reset,
3605         .resume = qlcnic_io_resume,
3606 };
3607
3608 static struct pci_driver qlcnic_driver = {
3609         .name = qlcnic_driver_name,
3610         .id_table = qlcnic_pci_tbl,
3611         .probe = qlcnic_probe,
3612         .remove = qlcnic_remove,
3613 #ifdef CONFIG_PM
3614         .suspend = qlcnic_suspend,
3615         .resume = qlcnic_resume,
3616 #endif
3617         .shutdown = qlcnic_shutdown,
3618         .err_handler = &qlcnic_err_handler,
3619 #ifdef CONFIG_QLCNIC_SRIOV
3620         .sriov_configure = qlcnic_pci_sriov_configure,
3621 #endif
3622
3623 };
3624
3625 static int __init qlcnic_init_module(void)
3626 {
3627         int ret;
3628
3629         printk(KERN_INFO "%s\n", qlcnic_driver_string);
3630
3631 #ifdef CONFIG_INET
3632         register_netdevice_notifier(&qlcnic_netdev_cb);
3633         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3634 #endif
3635
3636         ret = pci_register_driver(&qlcnic_driver);
3637         if (ret) {
3638 #ifdef CONFIG_INET
3639                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3640                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3641 #endif
3642         }
3643
3644         return ret;
3645 }
3646
3647 module_init(qlcnic_init_module);
3648
3649 static void __exit qlcnic_exit_module(void)
3650 {
3651         pci_unregister_driver(&qlcnic_driver);
3652
3653 #ifdef CONFIG_INET
3654         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3655         unregister_netdevice_notifier(&qlcnic_netdev_cb);
3656 #endif
3657 }
3658
3659 module_exit(qlcnic_exit_module);