drivers/net/qlcnic/qlcnic_main.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2010 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include <linux/slab.h>
   9 #include <linux/vmalloc.h>
  10 #include <linux/interrupt.h>
  11
  12 #include "qlcnic.h"
  13
  14 #include <linux/swab.h>
  15 #include <linux/dma-mapping.h>
  16 #include <net/ip.h>
  17 #include <linux/ipv6.h>
  18 #include <linux/inetdevice.h>
  19 #include <linux/sysfs.h>
  20 #include <linux/aer.h>
  21 #include <linux/log2.h>
  22
  23 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
  24 MODULE_LICENSE("GPL");
  25 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
  26 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
  27
  28 char qlcnic_driver_name[] = "qlcnic";
  29 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
  30         "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
  31
  32 static struct workqueue_struct *qlcnic_wq;
  33 static int qlcnic_mac_learn;
  34 module_param(qlcnic_mac_learn, int, 0444);
  35 MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
  36
  37 static int use_msi = 1;
  38 module_param(use_msi, int, 0444);
  39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
  40
  41 static int use_msi_x = 1;
  42 module_param(use_msi_x, int, 0444);
  43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
  44
  45 static int auto_fw_reset = 1;
  46 module_param(auto_fw_reset, int, 0644);
  47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
  48
  49 static int load_fw_file;
  50 module_param(load_fw_file, int, 0444);
  51 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
  52
  53 static int qlcnic_config_npars;
  54 module_param(qlcnic_config_npars, int, 0444);
  55 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
  56
  57 static int __devinit qlcnic_probe(struct pci_dev *pdev,
  58                 const struct pci_device_id *ent);
  59 static void __devexit qlcnic_remove(struct pci_dev *pdev);
  60 static int qlcnic_open(struct net_device *netdev);
  61 static int qlcnic_close(struct net_device *netdev);
  62 static void qlcnic_tx_timeout(struct net_device *netdev);
  63 static void qlcnic_attach_work(struct work_struct *work);
  64 static void qlcnic_fwinit_work(struct work_struct *work);
  65 static void qlcnic_fw_poll_work(struct work_struct *work);
  66 static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
  67                 work_func_t func, int delay);
  68 static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
  69 static int qlcnic_poll(struct napi_struct *napi, int budget);
  70 static int qlcnic_rx_poll(struct napi_struct *napi, int budget);
  71 #ifdef CONFIG_NET_POLL_CONTROLLER
  72 static void qlcnic_poll_controller(struct net_device *netdev);
  73 #endif
  74
  75 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
  76 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
  77 static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
  78 static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
  79
  80 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  81 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
  82 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  83
  84 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  85 static irqreturn_t qlcnic_intr(int irq, void *data);
  86 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  87 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  88
  89 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  90 static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
  91 static int qlcnic_start_firmware(struct qlcnic_adapter *);
  92
  93 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  94 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  95 static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
  96 static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
  97 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  98 static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
  99                                 struct qlcnic_esw_func_cfg *);
 100 static void qlcnic_vlan_rx_add(struct net_device *, u16);
 101 static void qlcnic_vlan_rx_del(struct net_device *, u16);
 102
 103 /*  PCI Device ID Table  */
 104 #define ENTRY(device) \
 105         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
 106         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
 107
 108 #define PCI_DEVICE_ID_QLOGIC_QLE824X  0x8020
 109
 110 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
 111         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 112         {0,}
 113 };
 114
 115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 116
 117
 118 inline void
 119 qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
 120                 struct qlcnic_host_tx_ring *tx_ring)
 121 {
 122         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 123 }
 124
 125 static const u32 msi_tgt_status[8] = {
 126         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 127         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 128         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 129         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 130 };
 131
 132 static const
 133 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 134
 135 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring)
 136 {
 137         writel(0, sds_ring->crb_intr_mask);
 138 }
 139
 140 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
 141 {
 142         struct qlcnic_adapter *adapter = sds_ring->adapter;
 143
 144         writel(0x1, sds_ring->crb_intr_mask);
 145
 146         if (!QLCNIC_IS_MSI_FAMILY(adapter))
 147                 writel(0xfbff, adapter->tgt_mask_reg);
 148 }
 149
 150 static int
 151 qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 152 {
 153         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 154
 155         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 156
 157         return recv_ctx->sds_rings == NULL;
 158 }
 159
 160 static void
 161 qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 162 {
 163         if (recv_ctx->sds_rings != NULL)
 164                 kfree(recv_ctx->sds_rings);
 165
 166         recv_ctx->sds_rings = NULL;
 167 }
 168
 169 static int
 170 qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev)
 171 {
 172         int ring;
 173         struct qlcnic_host_sds_ring *sds_ring;
 174         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 175
 176         if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
 177                 return -ENOMEM;
 178
 179         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 180                 sds_ring = &recv_ctx->sds_rings[ring];
 181
 182                 if (ring == adapter->max_sds_rings - 1)
 183                         netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll,
 184                                 QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings);
 185                 else
 186                         netif_napi_add(netdev, &sds_ring->napi,
 187                                 qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2);
 188         }
 189
 190         return 0;
 191 }
 192
 193 static void
 194 qlcnic_napi_del(struct qlcnic_adapter *adapter)
 195 {
 196         int ring;
 197         struct qlcnic_host_sds_ring *sds_ring;
 198         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 199
 200         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 201                 sds_ring = &recv_ctx->sds_rings[ring];
 202                 netif_napi_del(&sds_ring->napi);
 203         }
 204
 205         qlcnic_free_sds_rings(adapter->recv_ctx);
 206 }
 207
 208 static void
 209 qlcnic_napi_enable(struct qlcnic_adapter *adapter)
 210 {
 211         int ring;
 212         struct qlcnic_host_sds_ring *sds_ring;
 213         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 214
 215         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
 216                 return;
 217
 218         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 219                 sds_ring = &recv_ctx->sds_rings[ring];
 220                 napi_enable(&sds_ring->napi);
 221                 qlcnic_enable_int(sds_ring);
 222         }
 223 }
 224
 225 static void
 226 qlcnic_napi_disable(struct qlcnic_adapter *adapter)
 227 {
 228         int ring;
 229         struct qlcnic_host_sds_ring *sds_ring;
 230         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 231
 232         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
 233                 return;
 234
 235         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 236                 sds_ring = &recv_ctx->sds_rings[ring];
 237                 qlcnic_disable_int(sds_ring);
 238                 napi_synchronize(&sds_ring->napi);
 239                 napi_disable(&sds_ring->napi);
 240         }
 241 }
 242
 243 static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
 244 {
 245         memset(&adapter->stats, 0, sizeof(adapter->stats));
 246 }
 247
 248 static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
 249 {
 250         u32 control;
 251         int pos;
 252
 253         pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
 254         if (pos) {
 255                 pci_read_config_dword(pdev, pos, &control);
 256                 if (enable)
 257                         control |= PCI_MSIX_FLAGS_ENABLE;
 258                 else
 259                         control = 0;
 260                 pci_write_config_dword(pdev, pos, control);
 261         }
 262 }
 263
 264 static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
 265 {
 266         int i;
 267
 268         for (i = 0; i < count; i++)
 269                 adapter->msix_entries[i].entry = i;
 270 }
 271
 272 static int
 273 qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 274 {
 275         u8 mac_addr[ETH_ALEN];
 276         struct net_device *netdev = adapter->netdev;
 277         struct pci_dev *pdev = adapter->pdev;
 278
 279         if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
 280                 return -EIO;
 281
 282         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 283         memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
 284         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 285
 286         /* set station address */
 287
 288         if (!is_valid_ether_addr(netdev->perm_addr))
 289                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 290                                         netdev->dev_addr);
 291
 292         return 0;
 293 }
 294
 295 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 296 {
 297         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 298         struct sockaddr *addr = p;
 299
 300         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 301                 return -EOPNOTSUPP;
 302
 303         if (!is_valid_ether_addr(addr->sa_data))
 304                 return -EINVAL;
 305
 306         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 307                 netif_device_detach(netdev);
 308                 qlcnic_napi_disable(adapter);
 309         }
 310
 311         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 312         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 313         qlcnic_set_multi(adapter->netdev);
 314
 315         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 316                 netif_device_attach(netdev);
 317                 qlcnic_napi_enable(adapter);
 318         }
 319         return 0;
 320 }
 321
 322 static const struct net_device_ops qlcnic_netdev_ops = {
 323         .ndo_open          = qlcnic_open,
 324         .ndo_stop          = qlcnic_close,
 325         .ndo_start_xmit    = qlcnic_xmit_frame,
 326         .ndo_get_stats     = qlcnic_get_stats,
 327         .ndo_validate_addr = eth_validate_addr,
 328         .ndo_set_multicast_list = qlcnic_set_multi,
 329         .ndo_set_mac_address    = qlcnic_set_mac,
 330         .ndo_change_mtu    = qlcnic_change_mtu,
 331         .ndo_fix_features  = qlcnic_fix_features,
 332         .ndo_set_features  = qlcnic_set_features,
 333         .ndo_tx_timeout    = qlcnic_tx_timeout,
 334         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 335         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 336 #ifdef CONFIG_NET_POLL_CONTROLLER
 337         .ndo_poll_controller = qlcnic_poll_controller,
 338 #endif
 339 };
 340
 341 static struct qlcnic_nic_template qlcnic_ops = {
 342         .config_bridged_mode = qlcnic_config_bridged_mode,
 343         .config_led = qlcnic_config_led,
 344         .start_firmware = qlcnic_start_firmware
 345 };
 346
 347 static struct qlcnic_nic_template qlcnic_vf_ops = {
 348         .config_bridged_mode = qlcnicvf_config_bridged_mode,
 349         .config_led = qlcnicvf_config_led,
 350         .start_firmware = qlcnicvf_start_firmware
 351 };
 352
 353 static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 354 {
 355         struct pci_dev *pdev = adapter->pdev;
 356         int err = -1;
 357
 358         adapter->max_sds_rings = 1;
 359         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 360         qlcnic_set_msix_bit(pdev, 0);
 361
 362         if (adapter->msix_supported) {
 363  enable_msix:
 364                 qlcnic_init_msix_entries(adapter, num_msix);
 365                 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
 366                 if (err == 0) {
 367                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 368                         qlcnic_set_msix_bit(pdev, 1);
 369
 370                         adapter->max_sds_rings = num_msix;
 371
 372                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 373                         return err;
 374                 }
 375                 if (err > 0) {
 376                         num_msix = rounddown_pow_of_two(err);
 377                         if (num_msix)
 378                                 goto enable_msix;
 379                 }
 380         }
 381         return err;
 382 }
 383
 384
 385 static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 386 {
 387         const struct qlcnic_legacy_intr_set *legacy_intrp;
 388         struct pci_dev *pdev = adapter->pdev;
 389
 390         if (use_msi && !pci_enable_msi(pdev)) {
 391                 adapter->flags |= QLCNIC_MSI_ENABLED;
 392                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
 393                                 msi_tgt_status[adapter->ahw->pci_func]);
 394                 dev_info(&pdev->dev, "using msi interrupts\n");
 395                 adapter->msix_entries[0].vector = pdev->irq;
 396                 return;
 397         }
 398
 399         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 400
 401         adapter->int_vec_bit = legacy_intrp->int_vec_bit;
 402         adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
 403                         legacy_intrp->tgt_status_reg);
 404         adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
 405                         legacy_intrp->tgt_mask_reg);
 406         adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
 407
 408         adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
 409                         ISR_INT_STATE_REG);
 410         dev_info(&pdev->dev, "using legacy interrupts\n");
 411         adapter->msix_entries[0].vector = pdev->irq;
 412 }
 413
 414 static void
 415 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
 416 {
 417         int num_msix;
 418
 419         if (adapter->msix_supported) {
 420                 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 421                                 QLCNIC_DEF_NUM_STS_DESC_RINGS));
 422         } else
 423                 num_msix = 1;
 424
 425         if (!qlcnic_enable_msix(adapter, num_msix))
 426                 return;
 427
 428         qlcnic_enable_msi_legacy(adapter);
 429 }
 430
 431 static void
 432 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 433 {
 434         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 435                 pci_disable_msix(adapter->pdev);
 436         if (adapter->flags & QLCNIC_MSI_ENABLED)
 437                 pci_disable_msi(adapter->pdev);
 438 }
 439
 440 static void
 441 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
 442 {
 443         if (adapter->ahw->pci_base0 != NULL)
 444                 iounmap(adapter->ahw->pci_base0);
 445 }
 446
 447 static int
 448 qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 449 {
 450         struct qlcnic_pci_info *pci_info;
 451         int i, ret = 0;
 452         u8 pfn;
 453
 454         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
 455         if (!pci_info)
 456                 return -ENOMEM;
 457
 458         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
 459                                 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
 460         if (!adapter->npars) {
 461                 ret = -ENOMEM;
 462                 goto err_pci_info;
 463         }
 464
 465         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
 466                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
 467         if (!adapter->eswitch) {
 468                 ret = -ENOMEM;
 469                 goto err_npars;
 470         }
 471
 472         ret = qlcnic_get_pci_info(adapter, pci_info);
 473         if (ret)
 474                 goto err_eswitch;
 475
 476         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 477                 pfn = pci_info[i].id;
 478                 if (pfn > QLCNIC_MAX_PCI_FUNC) {
 479                         ret = QL_STATUS_INVALID_PARAM;
 480                         goto err_eswitch;
 481                 }
 482                 adapter->npars[pfn].active = (u8)pci_info[i].active;
 483                 adapter->npars[pfn].type = (u8)pci_info[i].type;
 484                 adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
 485                 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
 486                 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
 487         }
 488
 489         for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
 490                 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
 491
 492         kfree(pci_info);
 493         return 0;
 494
 495 err_eswitch:
 496         kfree(adapter->eswitch);
 497         adapter->eswitch = NULL;
 498 err_npars:
 499         kfree(adapter->npars);
 500         adapter->npars = NULL;
 501 err_pci_info:
 502         kfree(pci_info);
 503
 504         return ret;
 505 }
 506
 507 static int
 508 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
 509 {
 510         u8 id;
 511         u32 ref_count;
 512         int i, ret = 1;
 513         u32 data = QLCNIC_MGMT_FUNC;
 514         void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
 515
 516         /* If other drivers are not in use set their privilege level */
 517         ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
 518         ret = qlcnic_api_lock(adapter);
 519         if (ret)
 520                 goto err_lock;
 521
 522         if (qlcnic_config_npars) {
 523                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 524                         id = i;
 525                         if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
 526                                 id == adapter->ahw->pci_func)
 527                                 continue;
 528                         data |= (qlcnic_config_npars &
 529                                         QLC_DEV_SET_DRV(0xf, id));
 530                 }
 531         } else {
 532                 data = readl(priv_op);
 533                 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) |
 534                         (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
 535                         adapter->ahw->pci_func));
 536         }
 537         writel(data, priv_op);
 538         qlcnic_api_unlock(adapter);
 539 err_lock:
 540         return ret;
 541 }
 542
 543 static void
 544 qlcnic_check_vf(struct qlcnic_adapter *adapter)
 545 {
 546         void __iomem *msix_base_addr;
 547         void __iomem *priv_op;
 548         u32 func;
 549         u32 msix_base;
 550         u32 op_mode, priv_level;
 551
 552         /* Determine FW API version */
 553         adapter->fw_hal_version = readl(adapter->ahw->pci_base0 +
 554                                         QLCNIC_FW_API);
 555
 556         /* Find PCI function number */
 557         pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
 558         msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
 559         msix_base = readl(msix_base_addr);
 560         func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
 561         adapter->ahw->pci_func = func;
 562
 563         /* Determine function privilege level */
 564         priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
 565         op_mode = readl(priv_op);
 566         if (op_mode == QLC_DEV_DRV_DEFAULT)
 567                 priv_level = QLCNIC_MGMT_FUNC;
 568         else
 569                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
 570
 571         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
 572                 adapter->op_mode = QLCNIC_NON_PRIV_FUNC;
 573                 dev_info(&adapter->pdev->dev,
 574                         "HAL Version: %d Non Privileged function\n",
 575                         adapter->fw_hal_version);
 576                 adapter->nic_ops = &qlcnic_vf_ops;
 577         } else
 578                 adapter->nic_ops = &qlcnic_ops;
 579 }
 580
 581 static int
 582 qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
 583 {
 584         void __iomem *mem_ptr0 = NULL;
 585         resource_size_t mem_base;
 586         unsigned long mem_len, pci_len0 = 0;
 587
 588         struct pci_dev *pdev = adapter->pdev;
 589
 590         /* remap phys address */
 591         mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
 592         mem_len = pci_resource_len(pdev, 0);
 593
 594         if (mem_len == QLCNIC_PCI_2MB_SIZE) {
 595
 596                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
 597                 if (mem_ptr0 == NULL) {
 598                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
 599                         return -EIO;
 600                 }
 601                 pci_len0 = mem_len;
 602         } else {
 603                 return -EIO;
 604         }
 605
 606         dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
 607
 608         adapter->ahw->pci_base0 = mem_ptr0;
 609         adapter->ahw->pci_len0 = pci_len0;
 610
 611         qlcnic_check_vf(adapter);
 612
 613         adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter,
 614                 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(
 615                         adapter->ahw->pci_func)));
 616
 617         return 0;
 618 }
 619
 620 static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
 621 {
 622         struct pci_dev *pdev = adapter->pdev;
 623         int i, found = 0;
 624
 625         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
 626                 if (qlcnic_boards[i].vendor == pdev->vendor &&
 627                         qlcnic_boards[i].device == pdev->device &&
 628                         qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
 629                         qlcnic_boards[i].sub_device == pdev->subsystem_device) {
 630                                 sprintf(name, "%pM: %s" ,
 631                                         adapter->mac_addr,
 632                                         qlcnic_boards[i].short_name);
 633                                 found = 1;
 634                                 break;
 635                 }
 636
 637         }
 638
 639         if (!found)
 640                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
 641 }
 642
 643 static void
 644 qlcnic_check_options(struct qlcnic_adapter *adapter)
 645 {
 646         u32 fw_major, fw_minor, fw_build;
 647         struct pci_dev *pdev = adapter->pdev;
 648
 649         fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
 650         fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
 651         fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
 652
 653         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
 654
 655         dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
 656                         fw_major, fw_minor, fw_build);
 657         if (adapter->ahw->port_type == QLCNIC_XGBE) {
 658                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 659                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
 660                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
 661                 } else {
 662                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
 663                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
 664                 }
 665
 666                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 667                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 668
 669         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
 670                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
 671                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 672                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 673                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
 674         }
 675
 676         adapter->msix_supported = !!use_msi_x;
 677
 678         adapter->num_txd = MAX_CMD_DESCRIPTORS;
 679
 680         adapter->max_rds_rings = MAX_RDS_RINGS;
 681 }
 682
 683 static int
 684 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
 685 {
 686         int err;
 687         struct qlcnic_info nic_info;
 688
 689         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
 690         if (err)
 691                 return err;
 692
 693         adapter->physical_port = (u8)nic_info.phys_port;
 694         adapter->switch_mode = nic_info.switch_mode;
 695         adapter->max_tx_ques = nic_info.max_tx_ques;
 696         adapter->max_rx_ques = nic_info.max_rx_ques;
 697         adapter->capabilities = nic_info.capabilities;
 698         adapter->max_mac_filters = nic_info.max_mac_filters;
 699         adapter->max_mtu = nic_info.max_mtu;
 700
 701         if (adapter->capabilities & BIT_6)
 702                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
 703         else
 704                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
 705
 706         return err;
 707 }
 708
 709 static void
 710 qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
 711                 struct qlcnic_esw_func_cfg *esw_cfg)
 712 {
 713         if (esw_cfg->discard_tagged)
 714                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
 715         else
 716                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
 717
 718         if (esw_cfg->vlan_id)
 719                 adapter->pvid = esw_cfg->vlan_id;
 720         else
 721                 adapter->pvid = 0;
 722 }
 723
 724 static void
 725 qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
 726 {
 727         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 728         set_bit(vid, adapter->vlans);
 729 }
 730
 731 static void
 732 qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
 733 {
 734         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 735
 736         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
 737         clear_bit(vid, adapter->vlans);
 738 }
 739
 740 static void
 741 qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
 742                 struct qlcnic_esw_func_cfg *esw_cfg)
 743 {
 744         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
 745                                 QLCNIC_PROMISC_DISABLED);
 746
 747         if (esw_cfg->mac_anti_spoof)
 748                 adapter->flags |= QLCNIC_MACSPOOF;
 749
 750         if (!esw_cfg->mac_override)
 751                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
 752
 753         if (!esw_cfg->promisc_mode)
 754                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
 755
 756         qlcnic_set_netdev_features(adapter, esw_cfg);
 757 }
 758
 759 static int
 760 qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
 761 {
 762         struct qlcnic_esw_func_cfg esw_cfg;
 763
 764         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
 765                 return 0;
 766
 767         esw_cfg.pci_func = adapter->ahw->pci_func;
 768         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
 769                         return -EIO;
 770         qlcnic_set_vlan_config(adapter, &esw_cfg);
 771         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
 772
 773         return 0;
 774 }
 775
 776 static void
 777 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
 778                 struct qlcnic_esw_func_cfg *esw_cfg)
 779 {
 780         struct net_device *netdev = adapter->netdev;
 781         unsigned long features, vlan_features;
 782
 783         features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
 784                         NETIF_F_IPV6_CSUM | NETIF_F_GRO);
 785         vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
 786                         NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
 787
 788         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
 789                 features |= (NETIF_F_TSO | NETIF_F_TSO6);
 790                 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
 791         }
 792
 793         if (netdev->features & NETIF_F_LRO)
 794                 features |= NETIF_F_LRO;
 795
 796         if (esw_cfg->offload_flags & BIT_0) {
 797                 netdev->features |= features;
 798                 if (!(esw_cfg->offload_flags & BIT_1))
 799                         netdev->features &= ~NETIF_F_TSO;
 800                 if (!(esw_cfg->offload_flags & BIT_2))
 801                         netdev->features &= ~NETIF_F_TSO6;
 802         } else {
 803                 netdev->features &= ~features;
 804         }
 805
 806         netdev->vlan_features = (features & vlan_features);
 807 }
 808
 809 static int
 810 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
 811 {
 812         void __iomem *priv_op;
 813         u32 op_mode, priv_level;
 814         int err = 0;
 815
 816         err = qlcnic_initialize_nic(adapter);
 817         if (err)
 818                 return err;
 819
 820         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
 821                 return 0;
 822
 823         priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
 824         op_mode = readl(priv_op);
 825         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
 826
 827         if (op_mode == QLC_DEV_DRV_DEFAULT)
 828                 priv_level = QLCNIC_MGMT_FUNC;
 829         else
 830                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
 831
 832         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
 833                 if (priv_level == QLCNIC_MGMT_FUNC) {
 834                         adapter->op_mode = QLCNIC_MGMT_FUNC;
 835                         err = qlcnic_init_pci_info(adapter);
 836                         if (err)
 837                                 return err;
 838                         /* Set privilege level for other functions */
 839                         qlcnic_set_function_modes(adapter);
 840                         dev_info(&adapter->pdev->dev,
 841                                 "HAL Version: %d, Management function\n",
 842                                 adapter->fw_hal_version);
 843                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
 844                         adapter->op_mode = QLCNIC_PRIV_FUNC;
 845                         dev_info(&adapter->pdev->dev,
 846                                 "HAL Version: %d, Privileged function\n",
 847                                 adapter->fw_hal_version);
 848                 }
 849         }
 850
 851         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
 852
 853         return err;
 854 }
 855
 856 static int
 857 qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
 858 {
 859         struct qlcnic_esw_func_cfg esw_cfg;
 860         struct qlcnic_npar_info *npar;
 861         u8 i;
 862
 863         if (adapter->need_fw_reset)
 864                 return 0;
 865
 866         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 867                 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
 868                         continue;
 869                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
 870                 esw_cfg.pci_func = i;
 871                 esw_cfg.offload_flags = BIT_0;
 872                 esw_cfg.mac_override = BIT_0;
 873                 esw_cfg.promisc_mode = BIT_0;
 874                 if (adapter->capabilities  & QLCNIC_FW_CAPABILITY_TSO)
 875                         esw_cfg.offload_flags |= (BIT_1 | BIT_2);
 876                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
 877                         return -EIO;
 878                 npar = &adapter->npars[i];
 879                 npar->pvid = esw_cfg.vlan_id;
 880                 npar->mac_override = esw_cfg.mac_override;
 881                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
 882                 npar->discard_tagged = esw_cfg.discard_tagged;
 883                 npar->promisc_mode = esw_cfg.promisc_mode;
 884                 npar->offload_flags = esw_cfg.offload_flags;
 885         }
 886
 887         return 0;
 888 }
 889
 890 static int
 891 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
 892                         struct qlcnic_npar_info *npar, int pci_func)
 893 {
 894         struct qlcnic_esw_func_cfg esw_cfg;
 895         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
 896         esw_cfg.pci_func = pci_func;
 897         esw_cfg.vlan_id = npar->pvid;
 898         esw_cfg.mac_override = npar->mac_override;
 899         esw_cfg.discard_tagged = npar->discard_tagged;
 900         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
 901         esw_cfg.offload_flags = npar->offload_flags;
 902         esw_cfg.promisc_mode = npar->promisc_mode;
 903         if (qlcnic_config_switch_port(adapter, &esw_cfg))
 904                 return -EIO;
 905
 906         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
 907         if (qlcnic_config_switch_port(adapter, &esw_cfg))
 908                 return -EIO;
 909
 910         return 0;
 911 }
 912
 913 static int
 914 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
 915 {
 916         int i, err;
 917         struct qlcnic_npar_info *npar;
 918         struct qlcnic_info nic_info;
 919
 920         if (!adapter->need_fw_reset)
 921                 return 0;
 922
 923         /* Set the NPAR config data after FW reset */
 924         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 925                 npar = &adapter->npars[i];
 926                 if (npar->type != QLCNIC_TYPE_NIC)
 927                         continue;
 928                 err = qlcnic_get_nic_info(adapter, &nic_info, i);
 929                 if (err)
 930                         return err;
 931                 nic_info.min_tx_bw = npar->min_bw;
 932                 nic_info.max_tx_bw = npar->max_bw;
 933                 err = qlcnic_set_nic_info(adapter, &nic_info);
 934                 if (err)
 935                         return err;
 936
 937                 if (npar->enable_pm) {
 938                         err = qlcnic_config_port_mirroring(adapter,
 939                                                         npar->dest_npar, 1, i);
 940                         if (err)
 941                                 return err;
 942                 }
 943                 err = qlcnic_reset_eswitch_config(adapter, npar, i);
 944                 if (err)
 945                         return err;
 946         }
 947         return 0;
 948 }
 949
 950 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
 951 {
 952         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
 953         u32 npar_state;
 954
 955         if (adapter->op_mode == QLCNIC_MGMT_FUNC)
 956                 return 0;
 957
 958         npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
 959         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
 960                 msleep(1000);
 961                 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
 962         }
 963         if (!npar_opt_timeo) {
 964                 dev_err(&adapter->pdev->dev,
 965                         "Waiting for NPAR state to opertional timeout\n");
 966                 return -EIO;
 967         }
 968         return 0;
 969 }
 970
 971 static int
 972 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
 973 {
 974         int err;
 975
 976         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 977                     adapter->op_mode != QLCNIC_MGMT_FUNC)
 978                 return 0;
 979
 980         err = qlcnic_set_default_offload_settings(adapter);
 981         if (err)
 982                 return err;
 983
 984         err = qlcnic_reset_npar_config(adapter);
 985         if (err)
 986                 return err;
 987
 988         qlcnic_dev_set_npar_ready(adapter);
 989
 990         return err;
 991 }
 992
 993 static int
 994 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
 995 {
 996         int err;
 997
 998         err = qlcnic_can_start_firmware(adapter);
 999         if (err < 0)
1000                 return err;
1001         else if (!err)
1002                 goto check_fw_status;
1003
1004         if (load_fw_file)
1005                 qlcnic_request_firmware(adapter);
1006         else {
1007                 err = qlcnic_check_flash_fw_ver(adapter);
1008                 if (err)
1009                         goto err_out;
1010
1011                 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
1012         }
1013
1014         err = qlcnic_need_fw_reset(adapter);
1015         if (err == 0)
1016                 goto check_fw_status;
1017
1018         err = qlcnic_pinit_from_rom(adapter);
1019         if (err)
1020                 goto err_out;
1021
1022         err = qlcnic_load_firmware(adapter);
1023         if (err)
1024                 goto err_out;
1025
1026         qlcnic_release_firmware(adapter);
1027         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1028
1029 check_fw_status:
1030         err = qlcnic_check_fw_status(adapter);
1031         if (err)
1032                 goto err_out;
1033
1034         QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1035         qlcnic_idc_debug_info(adapter, 1);
1036
1037         err = qlcnic_check_eswitch_mode(adapter);
1038         if (err) {
1039                 dev_err(&adapter->pdev->dev,
1040                         "Memory allocation failed for eswitch\n");
1041                 goto err_out;
1042         }
1043         err = qlcnic_set_mgmt_operations(adapter);
1044         if (err)
1045                 goto err_out;
1046
1047         qlcnic_check_options(adapter);
1048         adapter->need_fw_reset = 0;
1049
1050         qlcnic_release_firmware(adapter);
1051         return 0;
1052
1053 err_out:
1054         QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1055         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1056
1057         qlcnic_release_firmware(adapter);
1058         return err;
1059 }
1060
1061 static int
1062 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1063 {
1064         irq_handler_t handler;
1065         struct qlcnic_host_sds_ring *sds_ring;
1066         int err, ring;
1067
1068         unsigned long flags = 0;
1069         struct net_device *netdev = adapter->netdev;
1070         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1071
1072         if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1073                 handler = qlcnic_tmp_intr;
1074                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1075                         flags |= IRQF_SHARED;
1076
1077         } else {
1078                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1079                         handler = qlcnic_msix_intr;
1080                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1081                         handler = qlcnic_msi_intr;
1082                 else {
1083                         flags |= IRQF_SHARED;
1084                         handler = qlcnic_intr;
1085                 }
1086         }
1087         adapter->irq = netdev->irq;
1088
1089         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1090                 sds_ring = &recv_ctx->sds_rings[ring];
1091                 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1092                 err = request_irq(sds_ring->irq, handler,
1093                                   flags, sds_ring->name, sds_ring);
1094                 if (err)
1095                         return err;
1096         }
1097
1098         return 0;
1099 }
1100
1101 static void
1102 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1103 {
1104         int ring;
1105         struct qlcnic_host_sds_ring *sds_ring;
1106
1107         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1108
1109         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1110                 sds_ring = &recv_ctx->sds_rings[ring];
1111                 free_irq(sds_ring->irq, sds_ring);
1112         }
1113 }
1114
1115 static int
1116 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1117 {
1118         int ring;
1119         struct qlcnic_host_rds_ring *rds_ring;
1120
1121         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1122                 return -EIO;
1123
1124         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1125                 return 0;
1126         if (qlcnic_set_eswitch_port_config(adapter))
1127                 return -EIO;
1128
1129         if (qlcnic_fw_create_ctx(adapter))
1130                 return -EIO;
1131
1132         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1133                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1134                 qlcnic_post_rx_buffers(adapter, rds_ring);
1135         }
1136
1137         qlcnic_set_multi(netdev);
1138         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1139
1140         adapter->ahw->linkup = 0;
1141
1142         if (adapter->max_sds_rings > 1)
1143                 qlcnic_config_rss(adapter, 1);
1144
1145         qlcnic_config_intr_coalesce(adapter);
1146
1147         if (netdev->features & NETIF_F_LRO)
1148                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1149
1150         qlcnic_napi_enable(adapter);
1151
1152         qlcnic_linkevent_request(adapter, 1);
1153
1154         adapter->reset_context = 0;
1155         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1156         return 0;
1157 }
1158
1159 /* Usage: During resume and firmware recovery module.*/
1160
1161 static int
1162 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1163 {
1164         int err = 0;
1165
1166         rtnl_lock();
1167         if (netif_running(netdev))
1168                 err = __qlcnic_up(adapter, netdev);
1169         rtnl_unlock();
1170
1171         return err;
1172 }
1173
1174 static void
1175 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1176 {
1177         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1178                 return;
1179
1180         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1181                 return;
1182
1183         smp_mb();
1184         spin_lock(&adapter->tx_clean_lock);
1185         netif_carrier_off(netdev);
1186         netif_tx_disable(netdev);
1187
1188         qlcnic_free_mac_list(adapter);
1189
1190         if (adapter->fhash.fnum)
1191                 qlcnic_delete_lb_filters(adapter);
1192
1193         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1194
1195         qlcnic_napi_disable(adapter);
1196
1197         qlcnic_fw_destroy_ctx(adapter);
1198
1199         qlcnic_reset_rx_buffers_list(adapter);
1200         qlcnic_release_tx_buffers(adapter);
1201         spin_unlock(&adapter->tx_clean_lock);
1202 }
1203
1204 /* Usage: During suspend and firmware recovery module */
1205
1206 static void
1207 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1208 {
1209         rtnl_lock();
1210         if (netif_running(netdev))
1211                 __qlcnic_down(adapter, netdev);
1212         rtnl_unlock();
1213
1214 }
1215
1216 static int
1217 qlcnic_attach(struct qlcnic_adapter *adapter)
1218 {
1219         struct net_device *netdev = adapter->netdev;
1220         struct pci_dev *pdev = adapter->pdev;
1221         int err;
1222
1223         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1224                 return 0;
1225
1226         err = qlcnic_napi_add(adapter, netdev);
1227         if (err)
1228                 return err;
1229
1230         err = qlcnic_alloc_sw_resources(adapter);
1231         if (err) {
1232                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1233                 goto err_out_napi_del;
1234         }
1235
1236         err = qlcnic_alloc_hw_resources(adapter);
1237         if (err) {
1238                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1239                 goto err_out_free_sw;
1240         }
1241
1242         err = qlcnic_request_irq(adapter);
1243         if (err) {
1244                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1245                 goto err_out_free_hw;
1246         }
1247
1248         qlcnic_create_sysfs_entries(adapter);
1249
1250         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1251         return 0;
1252
1253 err_out_free_hw:
1254         qlcnic_free_hw_resources(adapter);
1255 err_out_free_sw:
1256         qlcnic_free_sw_resources(adapter);
1257 err_out_napi_del:
1258         qlcnic_napi_del(adapter);
1259         return err;
1260 }
1261
1262 static void
1263 qlcnic_detach(struct qlcnic_adapter *adapter)
1264 {
1265         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1266                 return;
1267
1268         qlcnic_remove_sysfs_entries(adapter);
1269
1270         qlcnic_free_hw_resources(adapter);
1271         qlcnic_release_rx_buffers(adapter);
1272         qlcnic_free_irq(adapter);
1273         qlcnic_napi_del(adapter);
1274         qlcnic_free_sw_resources(adapter);
1275
1276         adapter->is_up = 0;
1277 }
1278
1279 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1280 {
1281         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1282         struct qlcnic_host_sds_ring *sds_ring;
1283         int ring;
1284
1285         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1286         if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1287                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1288                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1289                         qlcnic_disable_int(sds_ring);
1290                 }
1291         }
1292
1293         qlcnic_fw_destroy_ctx(adapter);
1294
1295         qlcnic_detach(adapter);
1296
1297         adapter->diag_test = 0;
1298         adapter->max_sds_rings = max_sds_rings;
1299
1300         if (qlcnic_attach(adapter))
1301                 goto out;
1302
1303         if (netif_running(netdev))
1304                 __qlcnic_up(adapter, netdev);
1305 out:
1306         netif_device_attach(netdev);
1307 }
1308
1309 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1310 {
1311         int err = 0;
1312         adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1313                                 GFP_KERNEL);
1314         if (!adapter->ahw) {
1315                 dev_err(&adapter->pdev->dev,
1316                         "Failed to allocate recv ctx resources for adapter\n");
1317                 err = -ENOMEM;
1318                 goto err_out;
1319         }
1320         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1321                                 GFP_KERNEL);
1322         if (!adapter->recv_ctx) {
1323                 dev_err(&adapter->pdev->dev,
1324                         "Failed to allocate recv ctx resources for adapter\n");
1325                 kfree(adapter->ahw);
1326                 adapter->ahw = NULL;
1327                 err = -ENOMEM;
1328                 goto err_out;
1329         }
1330         /* Initialize interrupt coalesce parameters */
1331         adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1332         adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1333         adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1334 err_out:
1335         return err;
1336 }
1337
1338 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1339 {
1340         kfree(adapter->recv_ctx);
1341         adapter->recv_ctx = NULL;
1342
1343         if (adapter->ahw->fw_dump.tmpl_hdr) {
1344                 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1345                 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1346         }
1347         kfree(adapter->ahw);
1348         adapter->ahw = NULL;
1349 }
1350
1351 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1352 {
1353         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1354         struct qlcnic_host_sds_ring *sds_ring;
1355         struct qlcnic_host_rds_ring *rds_ring;
1356         int ring;
1357         int ret;
1358
1359         netif_device_detach(netdev);
1360
1361         if (netif_running(netdev))
1362                 __qlcnic_down(adapter, netdev);
1363
1364         qlcnic_detach(adapter);
1365
1366         adapter->max_sds_rings = 1;
1367         adapter->diag_test = test;
1368
1369         ret = qlcnic_attach(adapter);
1370         if (ret) {
1371                 netif_device_attach(netdev);
1372                 return ret;
1373         }
1374
1375         ret = qlcnic_fw_create_ctx(adapter);
1376         if (ret) {
1377                 qlcnic_detach(adapter);
1378                 netif_device_attach(netdev);
1379                 return ret;
1380         }
1381
1382         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1383                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1384                 qlcnic_post_rx_buffers(adapter, rds_ring);
1385         }
1386
1387         if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1388                 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1389                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1390                         qlcnic_enable_int(sds_ring);
1391                 }
1392         }
1393
1394         if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) {
1395                 adapter->ahw->loopback_state = 0;
1396                 qlcnic_linkevent_request(adapter, 1);
1397         }
1398
1399         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1400
1401         return 0;
1402 }
1403
1404 /* Reset context in hardware only */
1405 static int
1406 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1407 {
1408         struct net_device *netdev = adapter->netdev;
1409
1410         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1411                 return -EBUSY;
1412
1413         netif_device_detach(netdev);
1414
1415         qlcnic_down(adapter, netdev);
1416
1417         qlcnic_up(adapter, netdev);
1418
1419         netif_device_attach(netdev);
1420
1421         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1422         return 0;
1423 }
1424
1425 int
1426 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1427 {
1428         int err = 0;
1429         struct net_device *netdev = adapter->netdev;
1430
1431         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1432                 return -EBUSY;
1433
1434         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1435
1436                 netif_device_detach(netdev);
1437
1438                 if (netif_running(netdev))
1439                         __qlcnic_down(adapter, netdev);
1440
1441                 qlcnic_detach(adapter);
1442
1443                 if (netif_running(netdev)) {
1444                         err = qlcnic_attach(adapter);
1445                         if (!err)
1446                                 __qlcnic_up(adapter, netdev);
1447                 }
1448
1449                 netif_device_attach(netdev);
1450         }
1451
1452         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1453         return err;
1454 }
1455
1456 static int
1457 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1458                 struct net_device *netdev, u8 pci_using_dac)
1459 {
1460         int err;
1461         struct pci_dev *pdev = adapter->pdev;
1462
1463         adapter->mc_enabled = 0;
1464         adapter->max_mc_count = 38;
1465
1466         netdev->netdev_ops         = &qlcnic_netdev_ops;
1467         netdev->watchdog_timeo     = 5*HZ;
1468
1469         qlcnic_change_mtu(netdev, netdev->mtu);
1470
1471         SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1472
1473         netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1474                 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
1475
1476         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1477                 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
1478         if (pci_using_dac)
1479                 netdev->hw_features |= NETIF_F_HIGHDMA;
1480
1481         netdev->vlan_features = netdev->hw_features;
1482
1483         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1484                 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
1485         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1486                 netdev->hw_features |= NETIF_F_LRO;
1487
1488         netdev->features |= netdev->hw_features |
1489                 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1490
1491         netdev->irq = adapter->msix_entries[0].vector;
1492
1493         err = register_netdev(netdev);
1494         if (err) {
1495                 dev_err(&pdev->dev, "failed to register net device\n");
1496                 return err;
1497         }
1498
1499         return 0;
1500 }
1501
1502 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1503 {
1504         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1505                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1506                 *pci_using_dac = 1;
1507         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1508                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1509                 *pci_using_dac = 0;
1510         else {
1511                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1512                 return -EIO;
1513         }
1514
1515         return 0;
1516 }
1517
1518 static int
1519 qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1520 {
1521         adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1522                                         GFP_KERNEL);
1523
1524         if (adapter->msix_entries)
1525                 return 0;
1526
1527         dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1528         return -ENOMEM;
1529 }
1530
1531 static int __devinit
1532 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1533 {
1534         struct net_device *netdev = NULL;
1535         struct qlcnic_adapter *adapter = NULL;
1536         int err;
1537         uint8_t revision_id;
1538         uint8_t pci_using_dac;
1539         char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
1540
1541         err = pci_enable_device(pdev);
1542         if (err)
1543                 return err;
1544
1545         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1546                 err = -ENODEV;
1547                 goto err_out_disable_pdev;
1548         }
1549
1550         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1551         if (err)
1552                 goto err_out_disable_pdev;
1553
1554         err = pci_request_regions(pdev, qlcnic_driver_name);
1555         if (err)
1556                 goto err_out_disable_pdev;
1557
1558         pci_set_master(pdev);
1559         pci_enable_pcie_error_reporting(pdev);
1560
1561         netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1562         if (!netdev) {
1563                 dev_err(&pdev->dev, "failed to allocate net_device\n");
1564                 err = -ENOMEM;
1565                 goto err_out_free_res;
1566         }
1567
1568         SET_NETDEV_DEV(netdev, &pdev->dev);
1569
1570         adapter = netdev_priv(netdev);
1571         adapter->netdev  = netdev;
1572         adapter->pdev    = pdev;
1573
1574         if (qlcnic_alloc_adapter_resources(adapter))
1575                 goto err_out_free_netdev;
1576
1577         adapter->dev_rst_time = jiffies;
1578         revision_id = pdev->revision;
1579         adapter->ahw->revision_id = revision_id;
1580         adapter->mac_learn = qlcnic_mac_learn;
1581
1582         rwlock_init(&adapter->ahw->crb_lock);
1583         mutex_init(&adapter->ahw->mem_lock);
1584
1585         spin_lock_init(&adapter->tx_clean_lock);
1586         INIT_LIST_HEAD(&adapter->mac_list);
1587
1588         err = qlcnic_setup_pci_map(adapter);
1589         if (err)
1590                 goto err_out_free_hw;
1591
1592         /* This will be reset for mezz cards  */
1593         adapter->portnum = adapter->ahw->pci_func;
1594
1595         err = qlcnic_get_board_info(adapter);
1596         if (err) {
1597                 dev_err(&pdev->dev, "Error getting board config info.\n");
1598                 goto err_out_iounmap;
1599         }
1600
1601         err = qlcnic_setup_idc_param(adapter);
1602         if (err)
1603                 goto err_out_iounmap;
1604
1605         adapter->flags |= QLCNIC_NEED_FLR;
1606
1607         err = adapter->nic_ops->start_firmware(adapter);
1608         if (err) {
1609                 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1610                 goto err_out_decr_ref;
1611         }
1612
1613         /* Get FW dump template and store it */
1614         if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC)
1615                 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1616                         dev_info(&pdev->dev,
1617                                 "Supports FW dump capability\n");
1618
1619         if (qlcnic_read_mac_addr(adapter))
1620                 dev_warn(&pdev->dev, "failed to read mac addr\n");
1621
1622         if (adapter->portnum == 0) {
1623                 get_brd_name(adapter, brd_name);
1624
1625                 pr_info("%s: %s Board Chip rev 0x%x\n",
1626                                 module_name(THIS_MODULE),
1627                                 brd_name, adapter->ahw->revision_id);
1628         }
1629
1630         qlcnic_clear_stats(adapter);
1631
1632         err = qlcnic_alloc_msix_entries(adapter, adapter->max_rx_ques);
1633         if (err)
1634                 goto err_out_decr_ref;
1635
1636         qlcnic_setup_intr(adapter);
1637
1638         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1639         if (err)
1640                 goto err_out_disable_msi;
1641
1642         pci_set_drvdata(pdev, adapter);
1643
1644         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1645
1646         switch (adapter->ahw->port_type) {
1647         case QLCNIC_GBE:
1648                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1649                                 adapter->netdev->name);
1650                 break;
1651         case QLCNIC_XGBE:
1652                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1653                                 adapter->netdev->name);
1654                 break;
1655         }
1656
1657         if (adapter->mac_learn)
1658                 qlcnic_alloc_lb_filters_mem(adapter);
1659
1660         qlcnic_create_diag_entries(adapter);
1661
1662         return 0;
1663
1664 err_out_disable_msi:
1665         qlcnic_teardown_intr(adapter);
1666         kfree(adapter->msix_entries);
1667
1668 err_out_decr_ref:
1669         qlcnic_clr_all_drv_state(adapter, 0);
1670
1671 err_out_iounmap:
1672         qlcnic_cleanup_pci_map(adapter);
1673
1674 err_out_free_hw:
1675         qlcnic_free_adapter_resources(adapter);
1676
1677 err_out_free_netdev:
1678         free_netdev(netdev);
1679
1680 err_out_free_res:
1681         pci_release_regions(pdev);
1682
1683 err_out_disable_pdev:
1684         pci_set_drvdata(pdev, NULL);
1685         pci_disable_device(pdev);
1686         return err;
1687 }
1688
1689 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1690 {
1691         struct qlcnic_adapter *adapter;
1692         struct net_device *netdev;
1693
1694         adapter = pci_get_drvdata(pdev);
1695         if (adapter == NULL)
1696                 return;
1697
1698         netdev = adapter->netdev;
1699
1700         qlcnic_cancel_fw_work(adapter);
1701
1702         unregister_netdev(netdev);
1703
1704         qlcnic_detach(adapter);
1705
1706         if (adapter->npars != NULL)
1707                 kfree(adapter->npars);
1708         if (adapter->eswitch != NULL)
1709                 kfree(adapter->eswitch);
1710
1711         qlcnic_clr_all_drv_state(adapter, 0);
1712
1713         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1714
1715         qlcnic_free_lb_filters_mem(adapter);
1716
1717         qlcnic_teardown_intr(adapter);
1718         kfree(adapter->msix_entries);
1719
1720         qlcnic_remove_diag_entries(adapter);
1721
1722         qlcnic_cleanup_pci_map(adapter);
1723
1724         qlcnic_release_firmware(adapter);
1725
1726         pci_disable_pcie_error_reporting(pdev);
1727         pci_release_regions(pdev);
1728         pci_disable_device(pdev);
1729         pci_set_drvdata(pdev, NULL);
1730
1731         qlcnic_free_adapter_resources(adapter);
1732         free_netdev(netdev);
1733 }
1734 static int __qlcnic_shutdown(struct pci_dev *pdev)
1735 {
1736         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1737         struct net_device *netdev = adapter->netdev;
1738         int retval;
1739
1740         netif_device_detach(netdev);
1741
1742         qlcnic_cancel_fw_work(adapter);
1743
1744         if (netif_running(netdev))
1745                 qlcnic_down(adapter, netdev);
1746
1747         qlcnic_clr_all_drv_state(adapter, 0);
1748
1749         clear_bit(__QLCNIC_RESETTING, &adapter->state);
1750
1751         retval = pci_save_state(pdev);
1752         if (retval)
1753                 return retval;
1754
1755         if (qlcnic_wol_supported(adapter)) {
1756                 pci_enable_wake(pdev, PCI_D3cold, 1);
1757                 pci_enable_wake(pdev, PCI_D3hot, 1);
1758         }
1759
1760         return 0;
1761 }
1762
1763 static void qlcnic_shutdown(struct pci_dev *pdev)
1764 {
1765         if (__qlcnic_shutdown(pdev))
1766                 return;
1767
1768         pci_disable_device(pdev);
1769 }
1770
1771 #ifdef CONFIG_PM
1772 static int
1773 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1774 {
1775         int retval;
1776
1777         retval = __qlcnic_shutdown(pdev);
1778         if (retval)
1779                 return retval;
1780
1781         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1782         return 0;
1783 }
1784
1785 static int
1786 qlcnic_resume(struct pci_dev *pdev)
1787 {
1788         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1789         struct net_device *netdev = adapter->netdev;
1790         int err;
1791
1792         err = pci_enable_device(pdev);
1793         if (err)
1794                 return err;
1795
1796         pci_set_power_state(pdev, PCI_D0);
1797         pci_set_master(pdev);
1798         pci_restore_state(pdev);
1799
1800         err = adapter->nic_ops->start_firmware(adapter);
1801         if (err) {
1802                 dev_err(&pdev->dev, "failed to start firmware\n");
1803                 return err;
1804         }
1805
1806         if (netif_running(netdev)) {
1807                 err = qlcnic_up(adapter, netdev);
1808                 if (err)
1809                         goto done;
1810
1811                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1812         }
1813 done:
1814         netif_device_attach(netdev);
1815         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1816         return 0;
1817 }
1818 #endif
1819
1820 static int qlcnic_open(struct net_device *netdev)
1821 {
1822         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1823         int err;
1824
1825         netif_carrier_off(netdev);
1826
1827         err = qlcnic_attach(adapter);
1828         if (err)
1829                 return err;
1830
1831         err = __qlcnic_up(adapter, netdev);
1832         if (err)
1833                 goto err_out;
1834
1835         netif_start_queue(netdev);
1836
1837         return 0;
1838
1839 err_out:
1840         qlcnic_detach(adapter);
1841         return err;
1842 }
1843
1844 /*
1845  * qlcnic_close - Disables a network interface entry point
1846  */
1847 static int qlcnic_close(struct net_device *netdev)
1848 {
1849         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1850
1851         __qlcnic_down(adapter, netdev);
1852         return 0;
1853 }
1854
1855 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1856 {
1857         void *head;
1858         int i;
1859
1860         if (adapter->fhash.fmax && adapter->fhash.fhead)
1861                 return;
1862
1863         spin_lock_init(&adapter->mac_learn_lock);
1864
1865         head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1866                                                                 GFP_KERNEL);
1867         if (!head)
1868                 return;
1869
1870         adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1871         adapter->fhash.fhead = head;
1872
1873         for (i = 0; i < adapter->fhash.fmax; i++)
1874                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1875 }
1876
1877 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1878 {
1879         if (adapter->fhash.fmax && adapter->fhash.fhead)
1880                 kfree(adapter->fhash.fhead);
1881
1882         adapter->fhash.fhead = NULL;
1883         adapter->fhash.fmax = 0;
1884 }
1885
1886 static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1887                 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
1888 {
1889         struct cmd_desc_type0 *hwdesc;
1890         struct qlcnic_nic_req *req;
1891         struct qlcnic_mac_req *mac_req;
1892         struct qlcnic_vlan_req *vlan_req;
1893         u32 producer;
1894         u64 word;
1895
1896         producer = tx_ring->producer;
1897         hwdesc = &tx_ring->desc_head[tx_ring->producer];
1898
1899         req = (struct qlcnic_nic_req *)hwdesc;
1900         memset(req, 0, sizeof(struct qlcnic_nic_req));
1901         req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1902
1903         word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1904         req->req_hdr = cpu_to_le64(word);
1905
1906         mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
1907         mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
1908         memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1909
1910         vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1911         vlan_req->vlan_id = vlan_id;
1912
1913         tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
1914         smp_mb();
1915 }
1916
1917 #define QLCNIC_MAC_HASH(MAC)\
1918         ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1919
1920 static void
1921 qlcnic_send_filter(struct qlcnic_adapter *adapter,
1922                 struct qlcnic_host_tx_ring *tx_ring,
1923                 struct cmd_desc_type0 *first_desc,
1924                 struct sk_buff *skb)
1925 {
1926         struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1927         struct qlcnic_filter *fil, *tmp_fil;
1928         struct hlist_node *tmp_hnode, *n;
1929         struct hlist_head *head;
1930         u64 src_addr = 0;
1931         __le16 vlan_id = 0;
1932         u8 hindex;
1933
1934         if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1935                 return;
1936
1937         if (adapter->fhash.fnum >= adapter->fhash.fmax)
1938                 return;
1939
1940         /* Only NPAR capable devices support vlan based learning*/
1941         if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1942                 vlan_id = first_desc->vlan_TCI;
1943         memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1944         hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1945         head = &(adapter->fhash.fhead[hindex]);
1946
1947         hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
1948                 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1949                             tmp_fil->vlan_id == vlan_id) {
1950
1951                         if (jiffies >
1952                             (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
1953                                 qlcnic_change_filter(adapter, src_addr, vlan_id,
1954                                                                 tx_ring);
1955                         tmp_fil->ftime = jiffies;
1956                         return;
1957                 }
1958         }
1959
1960         fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1961         if (!fil)
1962                 return;
1963
1964         qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
1965
1966         fil->ftime = jiffies;
1967         fil->vlan_id = vlan_id;
1968         memcpy(fil->faddr, &src_addr, ETH_ALEN);
1969         spin_lock(&adapter->mac_learn_lock);
1970         hlist_add_head(&(fil->fnode), head);
1971         adapter->fhash.fnum++;
1972         spin_unlock(&adapter->mac_learn_lock);
1973 }
1974
1975 static int
1976 qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
1977                 struct cmd_desc_type0 *first_desc,
1978                 struct sk_buff *skb)
1979 {
1980         u8 opcode = 0, hdr_len = 0;
1981         u16 flags = 0, vlan_tci = 0;
1982         int copied, offset, copy_len;
1983         struct cmd_desc_type0 *hwdesc;
1984         struct vlan_ethhdr *vh;
1985         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1986         u16 protocol = ntohs(skb->protocol);
1987         u32 producer = tx_ring->producer;
1988
1989         if (protocol == ETH_P_8021Q) {
1990                 vh = (struct vlan_ethhdr *)skb->data;
1991                 flags = FLAGS_VLAN_TAGGED;
1992                 vlan_tci = vh->h_vlan_TCI;
1993         } else if (vlan_tx_tag_present(skb)) {
1994                 flags = FLAGS_VLAN_OOB;
1995                 vlan_tci = vlan_tx_tag_get(skb);
1996         }
1997         if (unlikely(adapter->pvid)) {
1998                 if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
1999                         return -EIO;
2000                 if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
2001                         goto set_flags;
2002
2003                 flags = FLAGS_VLAN_OOB;
2004                 vlan_tci = adapter->pvid;
2005         }
2006 set_flags:
2007         qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
2008         qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2009
2010         if (*(skb->data) & BIT_0) {
2011                 flags |= BIT_0;
2012                 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
2013         }
2014         opcode = TX_ETHER_PKT;
2015         if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
2016                         skb_shinfo(skb)->gso_size > 0) {
2017
2018                 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2019
2020                 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
2021                 first_desc->total_hdr_length = hdr_len;
2022
2023                 opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO;
2024
2025                 /* For LSO, we need to copy the MAC/IP/TCP headers into
2026                 * the descriptor ring */
2027                 copied = 0;
2028                 offset = 2;
2029
2030                 if (flags & FLAGS_VLAN_OOB) {
2031                         first_desc->total_hdr_length += VLAN_HLEN;
2032                         first_desc->tcp_hdr_offset = VLAN_HLEN;
2033                         first_desc->ip_hdr_offset = VLAN_HLEN;
2034                         /* Only in case of TSO on vlan device */
2035                         flags |= FLAGS_VLAN_TAGGED;
2036
2037                         /* Create a TSO vlan header template for firmware */
2038
2039                         hwdesc = &tx_ring->desc_head[producer];
2040                         tx_ring->cmd_buf_arr[producer].skb = NULL;
2041
2042                         copy_len = min((int)sizeof(struct cmd_desc_type0) -
2043                                 offset, hdr_len + VLAN_HLEN);
2044
2045                         vh = (struct vlan_ethhdr *)((char *) hwdesc + 2);
2046                         skb_copy_from_linear_data(skb, vh, 12);
2047                         vh->h_vlan_proto = htons(ETH_P_8021Q);
2048                         vh->h_vlan_TCI = htons(vlan_tci);
2049
2050                         skb_copy_from_linear_data_offset(skb, 12,
2051                                 (char *)vh + 16, copy_len - 16);
2052
2053                         copied = copy_len - VLAN_HLEN;
2054                         offset = 0;
2055
2056                         producer = get_next_index(producer, tx_ring->num_desc);
2057                 }
2058
2059                 while (copied < hdr_len) {
2060
2061                         copy_len = min((int)sizeof(struct cmd_desc_type0) -
2062                                 offset, (hdr_len - copied));
2063
2064                         hwdesc = &tx_ring->desc_head[producer];
2065                         tx_ring->cmd_buf_arr[producer].skb = NULL;
2066
2067                         skb_copy_from_linear_data_offset(skb, copied,
2068                                  (char *) hwdesc + offset, copy_len);
2069
2070                         copied += copy_len;
2071                         offset = 0;
2072
2073                         producer = get_next_index(producer, tx_ring->num_desc);
2074                 }
2075
2076                 tx_ring->producer = producer;
2077                 smp_mb();
2078                 adapter->stats.lso_frames++;
2079
2080         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2081                 u8 l4proto;
2082
2083                 if (protocol == ETH_P_IP) {
2084                         l4proto = ip_hdr(skb)->protocol;
2085
2086                         if (l4proto == IPPROTO_TCP)
2087                                 opcode = TX_TCP_PKT;
2088                         else if (l4proto == IPPROTO_UDP)
2089                                 opcode = TX_UDP_PKT;
2090                 } else if (protocol == ETH_P_IPV6) {
2091                         l4proto = ipv6_hdr(skb)->nexthdr;
2092
2093                         if (l4proto == IPPROTO_TCP)
2094                                 opcode = TX_TCPV6_PKT;
2095                         else if (l4proto == IPPROTO_UDP)
2096                                 opcode = TX_UDPV6_PKT;
2097                 }
2098         }
2099         first_desc->tcp_hdr_offset += skb_transport_offset(skb);
2100         first_desc->ip_hdr_offset += skb_network_offset(skb);
2101         qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2102
2103         return 0;
2104 }
2105
2106 static int
2107 qlcnic_map_tx_skb(struct pci_dev *pdev,
2108                 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2109 {
2110         struct qlcnic_skb_frag *nf;
2111         struct skb_frag_struct *frag;
2112         int i, nr_frags;
2113         dma_addr_t map;
2114
2115         nr_frags = skb_shinfo(skb)->nr_frags;
2116         nf = &pbuf->frag_array[0];
2117
2118         map = pci_map_single(pdev, skb->data,
2119                         skb_headlen(skb), PCI_DMA_TODEVICE);
2120         if (pci_dma_mapping_error(pdev, map))
2121                 goto out_err;
2122
2123         nf->dma = map;
2124         nf->length = skb_headlen(skb);
2125
2126         for (i = 0; i < nr_frags; i++) {
2127                 frag = &skb_shinfo(skb)->frags[i];
2128                 nf = &pbuf->frag_array[i+1];
2129
2130                 map = pci_map_page(pdev, frag->page, frag->page_offset,
2131                                 frag->size, PCI_DMA_TODEVICE);
2132                 if (pci_dma_mapping_error(pdev, map))
2133                         goto unwind;
2134
2135                 nf->dma = map;
2136                 nf->length = frag->size;
2137         }
2138
2139         return 0;
2140
2141 unwind:
2142         while (--i >= 0) {
2143                 nf = &pbuf->frag_array[i+1];
2144                 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2145         }
2146
2147         nf = &pbuf->frag_array[0];
2148         pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2149
2150 out_err:
2151         return -ENOMEM;
2152 }
2153
2154 static void
2155 qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
2156                         struct qlcnic_cmd_buffer *pbuf)
2157 {
2158         struct qlcnic_skb_frag *nf = &pbuf->frag_array[0];
2159         int nr_frags = skb_shinfo(skb)->nr_frags;
2160         int i;
2161
2162         for (i = 0; i < nr_frags; i++) {
2163                 nf = &pbuf->frag_array[i+1];
2164                 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2165         }
2166
2167         nf = &pbuf->frag_array[0];
2168         pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2169         pbuf->skb = NULL;
2170 }
2171
2172 static inline void
2173 qlcnic_clear_cmddesc(u64 *desc)
2174 {
2175         desc[0] = 0ULL;
2176         desc[2] = 0ULL;
2177         desc[7] = 0ULL;
2178 }
2179
2180 netdev_tx_t
2181 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2182 {
2183         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2184         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2185         struct qlcnic_cmd_buffer *pbuf;
2186         struct qlcnic_skb_frag *buffrag;
2187         struct cmd_desc_type0 *hwdesc, *first_desc;
2188         struct pci_dev *pdev;
2189         struct ethhdr *phdr;
2190         int delta = 0;
2191         int i, k;
2192
2193         u32 producer;
2194         int frag_count;
2195         u32 num_txd = tx_ring->num_desc;
2196
2197         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2198                 netif_stop_queue(netdev);
2199                 return NETDEV_TX_BUSY;
2200         }
2201
2202         if (adapter->flags & QLCNIC_MACSPOOF) {
2203                 phdr = (struct ethhdr *)skb->data;
2204                 if (compare_ether_addr(phdr->h_source,
2205                                         adapter->mac_addr))
2206                         goto drop_packet;
2207         }
2208
2209         frag_count = skb_shinfo(skb)->nr_frags + 1;
2210         /* 14 frags supported for normal packet and
2211          * 32 frags supported for TSO packet
2212          */
2213         if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
2214
2215                 for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
2216                         delta += skb_shinfo(skb)->frags[i].size;
2217
2218                 if (!__pskb_pull_tail(skb, delta))
2219                         goto drop_packet;
2220
2221                 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2222         }
2223
2224         if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2225                 netif_stop_queue(netdev);
2226                 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2227                         netif_start_queue(netdev);
2228                 else {
2229                         adapter->stats.xmit_off++;
2230                         return NETDEV_TX_BUSY;
2231                 }
2232         }
2233
2234         producer = tx_ring->producer;
2235         pbuf = &tx_ring->cmd_buf_arr[producer];
2236
2237         pdev = adapter->pdev;
2238
2239         first_desc = hwdesc = &tx_ring->desc_head[producer];
2240         qlcnic_clear_cmddesc((u64 *)hwdesc);
2241
2242         if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2243                 adapter->stats.tx_dma_map_error++;
2244                 goto drop_packet;
2245         }
2246
2247         pbuf->skb = skb;
2248         pbuf->frag_count = frag_count;
2249
2250         qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2251         qlcnic_set_tx_port(first_desc, adapter->portnum);
2252
2253         for (i = 0; i < frag_count; i++) {
2254
2255                 k = i % 4;
2256
2257                 if ((k == 0) && (i > 0)) {
2258                         /* move to next desc.*/
2259                         producer = get_next_index(producer, num_txd);
2260                         hwdesc = &tx_ring->desc_head[producer];
2261                         qlcnic_clear_cmddesc((u64 *)hwdesc);
2262                         tx_ring->cmd_buf_arr[producer].skb = NULL;
2263                 }
2264
2265                 buffrag = &pbuf->frag_array[i];
2266
2267                 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2268                 switch (k) {
2269                 case 0:
2270                         hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2271                         break;
2272                 case 1:
2273                         hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2274                         break;
2275                 case 2:
2276                         hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2277                         break;
2278                 case 3:
2279                         hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2280                         break;
2281                 }
2282         }
2283
2284         tx_ring->producer = get_next_index(producer, num_txd);
2285         smp_mb();
2286
2287         if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb)))
2288                 goto unwind_buff;
2289
2290         if (adapter->mac_learn)
2291                 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2292
2293         adapter->stats.txbytes += skb->len;
2294         adapter->stats.xmitcalled++;
2295
2296         qlcnic_update_cmd_producer(adapter, tx_ring);
2297
2298         return NETDEV_TX_OK;
2299
2300 unwind_buff:
2301         qlcnic_unmap_buffers(pdev, skb, pbuf);
2302 drop_packet:
2303         adapter->stats.txdropped++;
2304         dev_kfree_skb_any(skb);
2305         return NETDEV_TX_OK;
2306 }
2307
2308 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2309 {
2310         struct net_device *netdev = adapter->netdev;
2311         u32 temp, temp_state, temp_val;
2312         int rv = 0;
2313
2314         temp = QLCRD32(adapter, CRB_TEMP_STATE);
2315
2316         temp_state = qlcnic_get_temp_state(temp);
2317         temp_val = qlcnic_get_temp_val(temp);
2318
2319         if (temp_state == QLCNIC_TEMP_PANIC) {
2320                 dev_err(&netdev->dev,
2321                        "Device temperature %d degrees C exceeds"
2322                        " maximum allowed. Hardware has been shut down.\n",
2323                        temp_val);
2324                 rv = 1;
2325         } else if (temp_state == QLCNIC_TEMP_WARN) {
2326                 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2327                         dev_err(&netdev->dev,
2328                                "Device temperature %d degrees C "
2329                                "exceeds operating range."
2330                                " Immediate action needed.\n",
2331                                temp_val);
2332                 }
2333         } else {
2334                 if (adapter->temp == QLCNIC_TEMP_WARN) {
2335                         dev_info(&netdev->dev,
2336                                "Device temperature is now %d degrees C"
2337                                " in normal range.\n", temp_val);
2338                 }
2339         }
2340         adapter->temp = temp_state;
2341         return rv;
2342 }
2343
2344 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2345 {
2346         struct net_device *netdev = adapter->netdev;
2347
2348         if (adapter->ahw->linkup && !linkup) {
2349                 netdev_info(netdev, "NIC Link is down\n");
2350                 adapter->ahw->linkup = 0;
2351                 if (netif_running(netdev)) {
2352                         netif_carrier_off(netdev);
2353                         netif_stop_queue(netdev);
2354                 }
2355         } else if (!adapter->ahw->linkup && linkup) {
2356                 netdev_info(netdev, "NIC Link is up\n");
2357                 adapter->ahw->linkup = 1;
2358                 if (netif_running(netdev)) {
2359                         netif_carrier_on(netdev);
2360                         netif_wake_queue(netdev);
2361                 }
2362         }
2363 }
2364
2365 static void qlcnic_tx_timeout(struct net_device *netdev)
2366 {
2367         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2368
2369         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2370                 return;
2371
2372         dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2373
2374         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2375                 adapter->need_fw_reset = 1;
2376         else
2377                 adapter->reset_context = 1;
2378 }
2379
2380 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2381 {
2382         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2383         struct net_device_stats *stats = &netdev->stats;
2384
2385         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2386         stats->tx_packets = adapter->stats.xmitfinished;
2387         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2388         stats->tx_bytes = adapter->stats.txbytes;
2389         stats->rx_dropped = adapter->stats.rxdropped;
2390         stats->tx_dropped = adapter->stats.txdropped;
2391
2392         return stats;
2393 }
2394
2395 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2396 {
2397         u32 status;
2398
2399         status = readl(adapter->isr_int_vec);
2400
2401         if (!(status & adapter->int_vec_bit))
2402                 return IRQ_NONE;
2403
2404         /* check interrupt state machine, to be sure */
2405         status = readl(adapter->crb_int_state_reg);
2406         if (!ISR_LEGACY_INT_TRIGGERED(status))
2407                 return IRQ_NONE;
2408
2409         writel(0xffffffff, adapter->tgt_status_reg);
2410         /* read twice to ensure write is flushed */
2411         readl(adapter->isr_int_vec);
2412         readl(adapter->isr_int_vec);
2413
2414         return IRQ_HANDLED;
2415 }
2416
2417 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2418 {
2419         struct qlcnic_host_sds_ring *sds_ring = data;
2420         struct qlcnic_adapter *adapter = sds_ring->adapter;
2421
2422         if (adapter->flags & QLCNIC_MSIX_ENABLED)
2423                 goto done;
2424         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2425                 writel(0xffffffff, adapter->tgt_status_reg);
2426                 goto done;
2427         }
2428
2429         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2430                 return IRQ_NONE;
2431
2432 done:
2433         adapter->diag_cnt++;
2434         qlcnic_enable_int(sds_ring);
2435         return IRQ_HANDLED;
2436 }
2437
2438 static irqreturn_t qlcnic_intr(int irq, void *data)
2439 {
2440         struct qlcnic_host_sds_ring *sds_ring = data;
2441         struct qlcnic_adapter *adapter = sds_ring->adapter;
2442
2443         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2444                 return IRQ_NONE;
2445
2446         napi_schedule(&sds_ring->napi);
2447
2448         return IRQ_HANDLED;
2449 }
2450
2451 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2452 {
2453         struct qlcnic_host_sds_ring *sds_ring = data;
2454         struct qlcnic_adapter *adapter = sds_ring->adapter;
2455
2456         /* clear interrupt */
2457         writel(0xffffffff, adapter->tgt_status_reg);
2458
2459         napi_schedule(&sds_ring->napi);
2460         return IRQ_HANDLED;
2461 }
2462
2463 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2464 {
2465         struct qlcnic_host_sds_ring *sds_ring = data;
2466
2467         napi_schedule(&sds_ring->napi);
2468         return IRQ_HANDLED;
2469 }
2470
2471 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2472 {
2473         u32 sw_consumer, hw_consumer;
2474         int count = 0, i;
2475         struct qlcnic_cmd_buffer *buffer;
2476         struct pci_dev *pdev = adapter->pdev;
2477         struct net_device *netdev = adapter->netdev;
2478         struct qlcnic_skb_frag *frag;
2479         int done;
2480         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2481
2482         if (!spin_trylock(&adapter->tx_clean_lock))
2483                 return 1;
2484
2485         sw_consumer = tx_ring->sw_consumer;
2486         hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2487
2488         while (sw_consumer != hw_consumer) {
2489                 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2490                 if (buffer->skb) {
2491                         frag = &buffer->frag_array[0];
2492                         pci_unmap_single(pdev, frag->dma, frag->length,
2493                                          PCI_DMA_TODEVICE);
2494                         frag->dma = 0ULL;
2495                         for (i = 1; i < buffer->frag_count; i++) {
2496                                 frag++;
2497                                 pci_unmap_page(pdev, frag->dma, frag->length,
2498                                                PCI_DMA_TODEVICE);
2499                                 frag->dma = 0ULL;
2500                         }
2501
2502                         adapter->stats.xmitfinished++;
2503                         dev_kfree_skb_any(buffer->skb);
2504                         buffer->skb = NULL;
2505                 }
2506
2507                 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2508                 if (++count >= MAX_STATUS_HANDLE)
2509                         break;
2510         }
2511
2512         if (count && netif_running(netdev)) {
2513                 tx_ring->sw_consumer = sw_consumer;
2514
2515                 smp_mb();
2516
2517                 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2518                         if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2519                                 netif_wake_queue(netdev);
2520                                 adapter->stats.xmit_on++;
2521                         }
2522                 }
2523                 adapter->tx_timeo_cnt = 0;
2524         }
2525         /*
2526          * If everything is freed up to consumer then check if the ring is full
2527          * If the ring is full then check if more needs to be freed and
2528          * schedule the call back again.
2529          *
2530          * This happens when there are 2 CPUs. One could be freeing and the
2531          * other filling it. If the ring is full when we get out of here and
2532          * the card has already interrupted the host then the host can miss the
2533          * interrupt.
2534          *
2535          * There is still a possible race condition and the host could miss an
2536          * interrupt. The card has to take care of this.
2537          */
2538         hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2539         done = (sw_consumer == hw_consumer);
2540         spin_unlock(&adapter->tx_clean_lock);
2541
2542         return done;
2543 }
2544
2545 static int qlcnic_poll(struct napi_struct *napi, int budget)
2546 {
2547         struct qlcnic_host_sds_ring *sds_ring =
2548                 container_of(napi, struct qlcnic_host_sds_ring, napi);
2549
2550         struct qlcnic_adapter *adapter = sds_ring->adapter;
2551
2552         int tx_complete;
2553         int work_done;
2554
2555         tx_complete = qlcnic_process_cmd_ring(adapter);
2556
2557         work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2558
2559         if ((work_done < budget) && tx_complete) {
2560                 napi_complete(&sds_ring->napi);
2561                 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2562                         qlcnic_enable_int(sds_ring);
2563         }
2564
2565         return work_done;
2566 }
2567
2568 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2569 {
2570         struct qlcnic_host_sds_ring *sds_ring =
2571                 container_of(napi, struct qlcnic_host_sds_ring, napi);
2572
2573         struct qlcnic_adapter *adapter = sds_ring->adapter;
2574         int work_done;
2575
2576         work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2577
2578         if (work_done < budget) {
2579                 napi_complete(&sds_ring->napi);
2580                 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2581                         qlcnic_enable_int(sds_ring);
2582         }
2583
2584         return work_done;
2585 }
2586
2587 #ifdef CONFIG_NET_POLL_CONTROLLER
2588 static void qlcnic_poll_controller(struct net_device *netdev)
2589 {
2590         int ring;
2591         struct qlcnic_host_sds_ring *sds_ring;
2592         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2593         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2594
2595         disable_irq(adapter->irq);
2596         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2597                 sds_ring = &recv_ctx->sds_rings[ring];
2598                 qlcnic_intr(adapter->irq, sds_ring);
2599         }
2600         enable_irq(adapter->irq);
2601 }
2602 #endif
2603
2604 static void
2605 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2606 {
2607         u32 val;
2608
2609         val = adapter->portnum & 0xf;
2610         val |= encoding << 7;
2611         val |= (jiffies - adapter->dev_rst_time) << 8;
2612
2613         QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2614         adapter->dev_rst_time = jiffies;
2615 }
2616
2617 static int
2618 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2619 {
2620         u32  val;
2621
2622         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2623                         state != QLCNIC_DEV_NEED_QUISCENT);
2624
2625         if (qlcnic_api_lock(adapter))
2626                 return -EIO;
2627
2628         val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2629
2630         if (state == QLCNIC_DEV_NEED_RESET)
2631                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2632         else if (state == QLCNIC_DEV_NEED_QUISCENT)
2633                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2634
2635         QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2636
2637         qlcnic_api_unlock(adapter);
2638
2639         return 0;
2640 }
2641
2642 static int
2643 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2644 {
2645         u32  val;
2646
2647         if (qlcnic_api_lock(adapter))
2648                 return -EBUSY;
2649
2650         val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2651         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2652         QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2653
2654         qlcnic_api_unlock(adapter);
2655
2656         return 0;
2657 }
2658
2659 static void
2660 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2661 {
2662         u32  val;
2663
2664         if (qlcnic_api_lock(adapter))
2665                 goto err;
2666
2667         val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2668         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2669         QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2670
2671         if (failed) {
2672                 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2673                 dev_info(&adapter->pdev->dev,
2674                                 "Device state set to Failed. Please Reboot\n");
2675         } else if (!(val & 0x11111111))
2676                 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2677
2678         val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2679         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2680         QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2681
2682         qlcnic_api_unlock(adapter);
2683 err:
2684         adapter->fw_fail_cnt = 0;
2685         clear_bit(__QLCNIC_START_FW, &adapter->state);
2686         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2687 }
2688
2689 /* Grab api lock, before checking state */
2690 static int
2691 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2692 {
2693         int act, state, active_mask;
2694
2695         state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2696         act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2697
2698         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2699                 active_mask = (~(1 << (adapter->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 = QLCRD32(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 = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2737         if (!(val & (1 << (portnum * 4)))) {
2738                 QLC_DEV_SET_REF_CNT(val, portnum);
2739                 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2740         }
2741
2742         prev_state = QLCRD32(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                 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2748                 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2749                 qlcnic_idc_debug_info(adapter, 0);
2750                 qlcnic_api_unlock(adapter);
2751                 return 1;
2752
2753         case QLCNIC_DEV_READY:
2754                 ret = qlcnic_check_idc_ver(adapter);
2755                 qlcnic_api_unlock(adapter);
2756                 return ret;
2757
2758         case QLCNIC_DEV_NEED_RESET:
2759                 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2760                 QLC_DEV_SET_RST_RDY(val, portnum);
2761                 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2762                 break;
2763
2764         case QLCNIC_DEV_NEED_QUISCENT:
2765                 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2766                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2767                 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2768                 break;
2769
2770         case QLCNIC_DEV_FAILED:
2771                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2772                 qlcnic_api_unlock(adapter);
2773                 return -1;
2774
2775         case QLCNIC_DEV_INITIALIZING:
2776         case QLCNIC_DEV_QUISCENT:
2777                 break;
2778         }
2779
2780         qlcnic_api_unlock(adapter);
2781
2782         do {
2783                 msleep(1000);
2784                 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2785
2786                 if (prev_state == QLCNIC_DEV_QUISCENT)
2787                         continue;
2788         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2789
2790         if (!dev_init_timeo) {
2791                 dev_err(&adapter->pdev->dev,
2792                         "Waiting for device to initialize timeout\n");
2793                 return -1;
2794         }
2795
2796         if (qlcnic_api_lock(adapter))
2797                 return -1;
2798
2799         val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2800         QLC_DEV_CLR_RST_QSCNT(val, portnum);
2801         QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2802
2803         ret = qlcnic_check_idc_ver(adapter);
2804         qlcnic_api_unlock(adapter);
2805
2806         return ret;
2807 }
2808
2809 static void
2810 qlcnic_fwinit_work(struct work_struct *work)
2811 {
2812         struct qlcnic_adapter *adapter = container_of(work,
2813                         struct qlcnic_adapter, fw_work.work);
2814         u32 dev_state = 0xf;
2815         u32 val;
2816
2817         if (qlcnic_api_lock(adapter))
2818                 goto err_ret;
2819
2820         dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2821         if (dev_state == QLCNIC_DEV_QUISCENT ||
2822             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2823                 qlcnic_api_unlock(adapter);
2824                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2825                                                 FW_POLL_DELAY * 2);
2826                 return;
2827         }
2828
2829         if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2830                 qlcnic_api_unlock(adapter);
2831                 goto wait_npar;
2832         }
2833
2834         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2835                 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2836                                         adapter->reset_ack_timeo);
2837                 goto skip_ack_check;
2838         }
2839
2840         if (!qlcnic_check_drv_state(adapter)) {
2841 skip_ack_check:
2842                 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2843
2844                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2845                         QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2846                                                 QLCNIC_DEV_INITIALIZING);
2847                         set_bit(__QLCNIC_START_FW, &adapter->state);
2848                         QLCDB(adapter, DRV, "Restarting fw\n");
2849                         qlcnic_idc_debug_info(adapter, 0);
2850                         val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2851                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2852                         QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2853                 }
2854
2855                 qlcnic_api_unlock(adapter);
2856
2857                 rtnl_lock();
2858                 if (adapter->ahw->fw_dump.enable &&
2859                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2860                         QLCDB(adapter, DRV, "Take FW dump\n");
2861                         qlcnic_dump_fw(adapter);
2862                 }
2863                 rtnl_unlock();
2864
2865                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2866                 if (!adapter->nic_ops->start_firmware(adapter)) {
2867                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2868                         adapter->fw_wait_cnt = 0;
2869                         return;
2870                 }
2871                 goto err_ret;
2872         }
2873
2874         qlcnic_api_unlock(adapter);
2875
2876 wait_npar:
2877         dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2878         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2879
2880         switch (dev_state) {
2881         case QLCNIC_DEV_READY:
2882                 if (!adapter->nic_ops->start_firmware(adapter)) {
2883                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2884                         adapter->fw_wait_cnt = 0;
2885                         return;
2886                 }
2887         case QLCNIC_DEV_FAILED:
2888                 break;
2889         default:
2890                 qlcnic_schedule_work(adapter,
2891                         qlcnic_fwinit_work, FW_POLL_DELAY);
2892                 return;
2893         }
2894
2895 err_ret:
2896         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2897                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2898         netif_device_attach(adapter->netdev);
2899         qlcnic_clr_all_drv_state(adapter, 0);
2900 }
2901
2902 static void
2903 qlcnic_detach_work(struct work_struct *work)
2904 {
2905         struct qlcnic_adapter *adapter = container_of(work,
2906                         struct qlcnic_adapter, fw_work.work);
2907         struct net_device *netdev = adapter->netdev;
2908         u32 status;
2909
2910         netif_device_detach(netdev);
2911
2912         /* Dont grab rtnl lock during Quiscent mode */
2913         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2914                 if (netif_running(netdev))
2915                         __qlcnic_down(adapter, netdev);
2916         } else
2917                 qlcnic_down(adapter, netdev);
2918
2919         status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2920
2921         if (status & QLCNIC_RCODE_FATAL_ERROR)
2922                 goto err_ret;
2923
2924         if (adapter->temp == QLCNIC_TEMP_PANIC)
2925                 goto err_ret;
2926         /* Dont ack if this instance is the reset owner */
2927         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2928                 if (qlcnic_set_drv_state(adapter, adapter->dev_state))
2929                         goto err_ret;
2930         }
2931
2932         adapter->fw_wait_cnt = 0;
2933
2934         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2935
2936         return;
2937
2938 err_ret:
2939         dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
2940                         status, adapter->temp);
2941         netif_device_attach(netdev);
2942         qlcnic_clr_all_drv_state(adapter, 1);
2943 }
2944
2945 /*Transit NPAR state to NON Operational */
2946 static void
2947 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2948 {
2949         u32 state;
2950
2951         state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2952         if (state == QLCNIC_DEV_NPAR_NON_OPER)
2953                 return;
2954
2955         if (qlcnic_api_lock(adapter))
2956                 return;
2957         QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2958         qlcnic_api_unlock(adapter);
2959 }
2960
2961 /*Transit to RESET state from READY state only */
2962 void
2963 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2964 {
2965         u32 state;
2966
2967         adapter->need_fw_reset = 1;
2968         if (qlcnic_api_lock(adapter))
2969                 return;
2970
2971         state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2972
2973         if (state == QLCNIC_DEV_READY) {
2974                 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2975                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
2976                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2977                 qlcnic_idc_debug_info(adapter, 0);
2978         }
2979
2980         QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2981         qlcnic_api_unlock(adapter);
2982 }
2983
2984 /* Transit to NPAR READY state from NPAR NOT READY state */
2985 static void
2986 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2987 {
2988         if (qlcnic_api_lock(adapter))
2989                 return;
2990
2991         QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2992         QLCDB(adapter, DRV, "NPAR operational state set\n");
2993
2994         qlcnic_api_unlock(adapter);
2995 }
2996
2997 static void
2998 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2999                 work_func_t func, int delay)
3000 {
3001         if (test_bit(__QLCNIC_AER, &adapter->state))
3002                 return;
3003
3004         INIT_DELAYED_WORK(&adapter->fw_work, func);
3005         queue_delayed_work(qlcnic_wq, &adapter->fw_work,
3006                                         round_jiffies_relative(delay));
3007 }
3008
3009 static void
3010 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
3011 {
3012         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3013                 msleep(10);
3014
3015         cancel_delayed_work_sync(&adapter->fw_work);
3016 }
3017
3018 static void
3019 qlcnic_attach_work(struct work_struct *work)
3020 {
3021         struct qlcnic_adapter *adapter = container_of(work,
3022                                 struct qlcnic_adapter, fw_work.work);
3023         struct net_device *netdev = adapter->netdev;
3024         u32 npar_state;
3025
3026         if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
3027                 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3028                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3029                         qlcnic_clr_all_drv_state(adapter, 0);
3030                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3031                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3032                                                         FW_POLL_DELAY);
3033                 else
3034                         goto attach;
3035                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3036                 return;
3037         }
3038 attach:
3039         if (netif_running(netdev)) {
3040                 if (qlcnic_up(adapter, netdev))
3041                         goto done;
3042
3043                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3044         }
3045
3046 done:
3047         netif_device_attach(netdev);
3048         adapter->fw_fail_cnt = 0;
3049         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3050
3051         if (!qlcnic_clr_drv_state(adapter))
3052                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3053                                                         FW_POLL_DELAY);
3054 }
3055
3056 static int
3057 qlcnic_check_health(struct qlcnic_adapter *adapter)
3058 {
3059         u32 state = 0, heartbeat;
3060         struct net_device *netdev = adapter->netdev;
3061
3062         if (qlcnic_check_temp(adapter))
3063                 goto detach;
3064
3065         if (adapter->need_fw_reset)
3066                 qlcnic_dev_request_reset(adapter);
3067
3068         state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3069         if (state == QLCNIC_DEV_NEED_RESET) {
3070                 qlcnic_set_npar_non_operational(adapter);
3071                 adapter->need_fw_reset = 1;
3072         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3073                 goto detach;
3074
3075         heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3076         if (heartbeat != adapter->heartbeat) {
3077                 adapter->heartbeat = heartbeat;
3078                 adapter->fw_fail_cnt = 0;
3079                 if (adapter->need_fw_reset)
3080                         goto detach;
3081
3082                 if (adapter->reset_context && auto_fw_reset) {
3083                         qlcnic_reset_hw_context(adapter);
3084                         adapter->netdev->trans_start = jiffies;
3085                 }
3086
3087                 return 0;
3088         }
3089
3090         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3091                 return 0;
3092
3093         qlcnic_dev_request_reset(adapter);
3094
3095         if (auto_fw_reset)
3096                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3097
3098         dev_info(&netdev->dev, "firmware hang detected\n");
3099
3100 detach:
3101         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3102                 QLCNIC_DEV_NEED_RESET;
3103
3104         if (auto_fw_reset &&
3105                 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3106
3107                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3108                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3109         }
3110
3111         return 1;
3112 }
3113
3114 static void
3115 qlcnic_fw_poll_work(struct work_struct *work)
3116 {
3117         struct qlcnic_adapter *adapter = container_of(work,
3118                                 struct qlcnic_adapter, fw_work.work);
3119
3120         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3121                 goto reschedule;
3122
3123
3124         if (qlcnic_check_health(adapter))
3125                 return;
3126
3127         if (adapter->fhash.fnum)
3128                 qlcnic_prune_lb_filters(adapter);
3129
3130 reschedule:
3131         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3132 }
3133
3134 static int qlcnic_is_first_func(struct pci_dev *pdev)
3135 {
3136         struct pci_dev *oth_pdev;
3137         int val = pdev->devfn;
3138
3139         while (val-- > 0) {
3140                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3141                         (pdev->bus), pdev->bus->number,
3142                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3143                 if (!oth_pdev)
3144                         continue;
3145
3146                 if (oth_pdev->current_state != PCI_D3cold) {
3147                         pci_dev_put(oth_pdev);
3148                         return 0;
3149                 }
3150                 pci_dev_put(oth_pdev);
3151         }
3152         return 1;
3153 }
3154
3155 static int qlcnic_attach_func(struct pci_dev *pdev)
3156 {
3157         int err, first_func;
3158         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3159         struct net_device *netdev = adapter->netdev;
3160
3161         pdev->error_state = pci_channel_io_normal;
3162
3163         err = pci_enable_device(pdev);
3164         if (err)
3165                 return err;
3166
3167         pci_set_power_state(pdev, PCI_D0);
3168         pci_set_master(pdev);
3169         pci_restore_state(pdev);
3170
3171         first_func = qlcnic_is_first_func(pdev);
3172
3173         if (qlcnic_api_lock(adapter))
3174                 return -EINVAL;
3175
3176         if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3177                 adapter->need_fw_reset = 1;
3178                 set_bit(__QLCNIC_START_FW, &adapter->state);
3179                 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3180                 QLCDB(adapter, DRV, "Restarting fw\n");
3181         }
3182         qlcnic_api_unlock(adapter);
3183
3184         err = adapter->nic_ops->start_firmware(adapter);
3185         if (err)
3186                 return err;
3187
3188         qlcnic_clr_drv_state(adapter);
3189         qlcnic_setup_intr(adapter);
3190
3191         if (netif_running(netdev)) {
3192                 err = qlcnic_attach(adapter);
3193                 if (err) {
3194                         qlcnic_clr_all_drv_state(adapter, 1);
3195                         clear_bit(__QLCNIC_AER, &adapter->state);
3196                         netif_device_attach(netdev);
3197                         return err;
3198                 }
3199
3200                 err = qlcnic_up(adapter, netdev);
3201                 if (err)
3202                         goto done;
3203
3204                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3205         }
3206  done:
3207         netif_device_attach(netdev);
3208         return err;
3209 }
3210
3211 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3212                                                 pci_channel_state_t state)
3213 {
3214         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3215         struct net_device *netdev = adapter->netdev;
3216
3217         if (state == pci_channel_io_perm_failure)
3218                 return PCI_ERS_RESULT_DISCONNECT;
3219
3220         if (state == pci_channel_io_normal)
3221                 return PCI_ERS_RESULT_RECOVERED;
3222
3223         set_bit(__QLCNIC_AER, &adapter->state);
3224         netif_device_detach(netdev);
3225
3226         cancel_delayed_work_sync(&adapter->fw_work);
3227
3228         if (netif_running(netdev))
3229                 qlcnic_down(adapter, netdev);
3230
3231         qlcnic_detach(adapter);
3232         qlcnic_teardown_intr(adapter);
3233
3234         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3235
3236         pci_save_state(pdev);
3237         pci_disable_device(pdev);
3238
3239         return PCI_ERS_RESULT_NEED_RESET;
3240 }
3241
3242 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3243 {
3244         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3245                                 PCI_ERS_RESULT_RECOVERED;
3246 }
3247
3248 static void qlcnic_io_resume(struct pci_dev *pdev)
3249 {
3250         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3251
3252         pci_cleanup_aer_uncorrect_error_status(pdev);
3253
3254         if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3255             test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3256                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3257                                                 FW_POLL_DELAY);
3258 }
3259
3260 static int
3261 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3262 {
3263         int err;
3264
3265         err = qlcnic_can_start_firmware(adapter);
3266         if (err)
3267                 return err;
3268
3269         err = qlcnic_check_npar_opertional(adapter);
3270         if (err)
3271                 return err;
3272
3273         err = qlcnic_initialize_nic(adapter);
3274         if (err)
3275                 return err;
3276
3277         qlcnic_check_options(adapter);
3278
3279         err = qlcnic_set_eswitch_port_config(adapter);
3280         if (err)
3281                 return err;
3282
3283         adapter->need_fw_reset = 0;
3284
3285         return err;
3286 }
3287
3288 static int
3289 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3290 {
3291         return -EOPNOTSUPP;
3292 }
3293
3294 static int
3295 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3296 {
3297         return -EOPNOTSUPP;
3298 }
3299
3300 static ssize_t
3301 qlcnic_store_bridged_mode(struct device *dev,
3302                 struct device_attribute *attr, const char *buf, size_t len)
3303 {
3304         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3305         unsigned long new;
3306         int ret = -EINVAL;
3307
3308         if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3309                 goto err_out;
3310
3311         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3312                 goto err_out;
3313
3314         if (strict_strtoul(buf, 2, &new))
3315                 goto err_out;
3316
3317         if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
3318                 ret = len;
3319
3320 err_out:
3321         return ret;
3322 }
3323
3324 static ssize_t
3325 qlcnic_show_bridged_mode(struct device *dev,
3326                 struct device_attribute *attr, char *buf)
3327 {
3328         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3329         int bridged_mode = 0;
3330
3331         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3332                 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3333
3334         return sprintf(buf, "%d\n", bridged_mode);
3335 }
3336
3337 static struct device_attribute dev_attr_bridged_mode = {
3338        .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3339        .show = qlcnic_show_bridged_mode,
3340        .store = qlcnic_store_bridged_mode,
3341 };
3342
3343 static ssize_t
3344 qlcnic_store_diag_mode(struct device *dev,
3345                 struct device_attribute *attr, const char *buf, size_t len)
3346 {
3347         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3348         unsigned long new;
3349
3350         if (strict_strtoul(buf, 2, &new))
3351                 return -EINVAL;
3352
3353         if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3354                 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3355
3356         return len;
3357 }
3358
3359 static ssize_t
3360 qlcnic_show_diag_mode(struct device *dev,
3361                 struct device_attribute *attr, char *buf)
3362 {
3363         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3364
3365         return sprintf(buf, "%d\n",
3366                         !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3367 }
3368
3369 static struct device_attribute dev_attr_diag_mode = {
3370         .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3371         .show = qlcnic_show_diag_mode,
3372         .store = qlcnic_store_diag_mode,
3373 };
3374
3375 int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
3376 {
3377         if (!use_msi_x && !use_msi) {
3378                 netdev_info(netdev, "no msix or msi support, hence no rss\n");
3379                 return -EINVAL;
3380         }
3381
3382         if ((val > max_hw) || (val <  2) || !is_power_of_2(val)) {
3383                 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
3384                         " powers of 2\n", max_hw);
3385                 return -EINVAL;
3386         }
3387         return 0;
3388
3389 }
3390
3391 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
3392 {
3393         struct net_device *netdev = adapter->netdev;
3394         int err = 0;
3395
3396         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3397                 return -EBUSY;
3398
3399         netif_device_detach(netdev);
3400         if (netif_running(netdev))
3401                 __qlcnic_down(adapter, netdev);
3402         qlcnic_detach(adapter);
3403         qlcnic_teardown_intr(adapter);
3404
3405         if (qlcnic_enable_msix(adapter, data)) {
3406                 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
3407                 qlcnic_enable_msi_legacy(adapter);
3408         }
3409
3410         if (netif_running(netdev)) {
3411                 err = qlcnic_attach(adapter);
3412                 if (err)
3413                         goto done;
3414                 err = __qlcnic_up(adapter, netdev);
3415                 if (err)
3416                         goto done;
3417                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3418         }
3419  done:
3420         netif_device_attach(netdev);
3421         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3422         return err;
3423 }
3424
3425 static int
3426 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3427                 loff_t offset, size_t size)
3428 {
3429         size_t crb_size = 4;
3430
3431         if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3432                 return -EIO;
3433
3434         if (offset < QLCNIC_PCI_CRBSPACE) {
3435                 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3436                                         QLCNIC_PCI_CAMQM_END))
3437                         crb_size = 8;
3438                 else
3439                         return -EINVAL;
3440         }
3441
3442         if ((size != crb_size) || (offset & (crb_size-1)))
3443                 return  -EINVAL;
3444
3445         return 0;
3446 }
3447
3448 static ssize_t
3449 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3450                 struct bin_attribute *attr,
3451                 char *buf, loff_t offset, size_t size)
3452 {
3453         struct device *dev = container_of(kobj, struct device, kobj);
3454         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3455         u32 data;
3456         u64 qmdata;
3457         int ret;
3458
3459         ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3460         if (ret != 0)
3461                 return ret;
3462
3463         if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3464                 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3465                 memcpy(buf, &qmdata, size);
3466         } else {
3467                 data = QLCRD32(adapter, offset);
3468                 memcpy(buf, &data, size);
3469         }
3470         return size;
3471 }
3472
3473 static ssize_t
3474 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3475                 struct bin_attribute *attr,
3476                 char *buf, loff_t offset, size_t size)
3477 {
3478         struct device *dev = container_of(kobj, struct device, kobj);
3479         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3480         u32 data;
3481         u64 qmdata;
3482         int ret;
3483
3484         ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3485         if (ret != 0)
3486                 return ret;
3487
3488         if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3489                 memcpy(&qmdata, buf, size);
3490                 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3491         } else {
3492                 memcpy(&data, buf, size);
3493                 QLCWR32(adapter, offset, data);
3494         }
3495         return size;
3496 }
3497
3498 static int
3499 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3500                 loff_t offset, size_t size)
3501 {
3502         if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3503                 return -EIO;
3504
3505         if ((size != 8) || (offset & 0x7))
3506                 return  -EIO;
3507
3508         return 0;
3509 }
3510
3511 static ssize_t
3512 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3513                 struct bin_attribute *attr,
3514                 char *buf, loff_t offset, size_t size)
3515 {
3516         struct device *dev = container_of(kobj, struct device, kobj);
3517         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3518         u64 data;
3519         int ret;
3520
3521         ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3522         if (ret != 0)
3523                 return ret;
3524
3525         if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3526                 return -EIO;
3527
3528         memcpy(buf, &data, size);
3529
3530         return size;
3531 }
3532
3533 static ssize_t
3534 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3535                 struct bin_attribute *attr,
3536                 char *buf, loff_t offset, size_t size)
3537 {
3538         struct device *dev = container_of(kobj, struct device, kobj);
3539         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3540         u64 data;
3541         int ret;
3542
3543         ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3544         if (ret != 0)
3545                 return ret;
3546
3547         memcpy(&data, buf, size);
3548
3549         if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3550                 return -EIO;
3551
3552         return size;
3553 }
3554
3555 static struct bin_attribute bin_attr_crb = {
3556         .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3557         .size = 0,
3558         .read = qlcnic_sysfs_read_crb,
3559         .write = qlcnic_sysfs_write_crb,
3560 };
3561
3562 static struct bin_attribute bin_attr_mem = {
3563         .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3564         .size = 0,
3565         .read = qlcnic_sysfs_read_mem,
3566         .write = qlcnic_sysfs_write_mem,
3567 };
3568
3569 static int
3570 validate_pm_config(struct qlcnic_adapter *adapter,
3571                         struct qlcnic_pm_func_cfg *pm_cfg, int count)
3572 {
3573
3574         u8 src_pci_func, s_esw_id, d_esw_id;
3575         u8 dest_pci_func;
3576         int i;
3577
3578         for (i = 0; i < count; i++) {
3579                 src_pci_func = pm_cfg[i].pci_func;
3580                 dest_pci_func = pm_cfg[i].dest_npar;
3581                 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3582                                 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3583                         return QL_STATUS_INVALID_PARAM;
3584
3585                 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3586                         return QL_STATUS_INVALID_PARAM;
3587
3588                 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3589                         return QL_STATUS_INVALID_PARAM;
3590
3591                 s_esw_id = adapter->npars[src_pci_func].phy_port;
3592                 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3593
3594                 if (s_esw_id != d_esw_id)
3595                         return QL_STATUS_INVALID_PARAM;
3596
3597         }
3598         return 0;
3599
3600 }
3601
3602 static ssize_t
3603 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3604         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3605 {
3606         struct device *dev = container_of(kobj, struct device, kobj);
3607         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3608         struct qlcnic_pm_func_cfg *pm_cfg;
3609         u32 id, action, pci_func;
3610         int count, rem, i, ret;
3611
3612         count   = size / sizeof(struct qlcnic_pm_func_cfg);
3613         rem     = size % sizeof(struct qlcnic_pm_func_cfg);
3614         if (rem)
3615                 return QL_STATUS_INVALID_PARAM;
3616
3617         pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3618
3619         ret = validate_pm_config(adapter, pm_cfg, count);
3620         if (ret)
3621                 return ret;
3622         for (i = 0; i < count; i++) {
3623                 pci_func = pm_cfg[i].pci_func;
3624                 action = !!pm_cfg[i].action;
3625                 id = adapter->npars[pci_func].phy_port;
3626                 ret = qlcnic_config_port_mirroring(adapter, id,
3627                                                 action, pci_func);
3628                 if (ret)
3629                         return ret;
3630         }
3631
3632         for (i = 0; i < count; i++) {
3633                 pci_func = pm_cfg[i].pci_func;
3634                 id = adapter->npars[pci_func].phy_port;
3635                 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
3636                 adapter->npars[pci_func].dest_npar = id;
3637         }
3638         return size;
3639 }
3640
3641 static ssize_t
3642 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3643         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3644 {
3645         struct device *dev = container_of(kobj, struct device, kobj);
3646         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3647         struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3648         int i;
3649
3650         if (size != sizeof(pm_cfg))
3651                 return QL_STATUS_INVALID_PARAM;
3652
3653         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3654                 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3655                         continue;
3656                 pm_cfg[i].action = adapter->npars[i].enable_pm;
3657                 pm_cfg[i].dest_npar = 0;
3658                 pm_cfg[i].pci_func = i;
3659         }
3660         memcpy(buf, &pm_cfg, size);
3661
3662         return size;
3663 }
3664
3665 static int
3666 validate_esw_config(struct qlcnic_adapter *adapter,
3667         struct qlcnic_esw_func_cfg *esw_cfg, int count)
3668 {
3669         u32 op_mode;
3670         u8 pci_func;
3671         int i;
3672
3673         op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE);
3674
3675         for (i = 0; i < count; i++) {
3676                 pci_func = esw_cfg[i].pci_func;
3677                 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3678                         return QL_STATUS_INVALID_PARAM;
3679
3680                 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3681                         if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3682                                 return QL_STATUS_INVALID_PARAM;
3683
3684                 switch (esw_cfg[i].op_mode) {
3685                 case QLCNIC_PORT_DEFAULTS:
3686                         if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
3687                                                 QLCNIC_NON_PRIV_FUNC) {
3688                                 if (esw_cfg[i].mac_anti_spoof != 0)
3689                                         return QL_STATUS_INVALID_PARAM;
3690                                 if (esw_cfg[i].mac_override != 1)
3691                                         return QL_STATUS_INVALID_PARAM;
3692                                 if (esw_cfg[i].promisc_mode != 1)
3693                                         return QL_STATUS_INVALID_PARAM;
3694                         }
3695                         break;
3696                 case QLCNIC_ADD_VLAN:
3697                         if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3698                                 return QL_STATUS_INVALID_PARAM;
3699                         if (!esw_cfg[i].op_type)
3700                                 return QL_STATUS_INVALID_PARAM;
3701                         break;
3702                 case QLCNIC_DEL_VLAN:
3703                         if (!esw_cfg[i].op_type)
3704                                 return QL_STATUS_INVALID_PARAM;
3705                         break;
3706                 default:
3707                         return QL_STATUS_INVALID_PARAM;
3708                 }
3709         }
3710         return 0;
3711 }
3712
3713 static ssize_t
3714 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3715         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3716 {
3717         struct device *dev = container_of(kobj, struct device, kobj);
3718         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3719         struct qlcnic_esw_func_cfg *esw_cfg;
3720         struct qlcnic_npar_info *npar;
3721         int count, rem, i, ret;
3722         u8 pci_func, op_mode = 0;
3723
3724         count   = size / sizeof(struct qlcnic_esw_func_cfg);
3725         rem     = size % sizeof(struct qlcnic_esw_func_cfg);
3726         if (rem)
3727                 return QL_STATUS_INVALID_PARAM;
3728
3729         esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3730         ret = validate_esw_config(adapter, esw_cfg, count);
3731         if (ret)
3732                 return ret;
3733
3734         for (i = 0; i < count; i++) {
3735                 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3736                         if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3737                                 return QL_STATUS_INVALID_PARAM;
3738
3739                 if (adapter->ahw->pci_func != esw_cfg[i].pci_func)
3740                         continue;
3741
3742                 op_mode = esw_cfg[i].op_mode;
3743                 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3744                 esw_cfg[i].op_mode = op_mode;
3745                 esw_cfg[i].pci_func = adapter->ahw->pci_func;
3746
3747                 switch (esw_cfg[i].op_mode) {
3748                 case QLCNIC_PORT_DEFAULTS:
3749                         qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3750                         break;
3751                 case QLCNIC_ADD_VLAN:
3752                         qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3753                         break;
3754                 case QLCNIC_DEL_VLAN:
3755                         esw_cfg[i].vlan_id = 0;
3756                         qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3757                         break;
3758                 }
3759         }
3760
3761         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3762                 goto out;
3763
3764         for (i = 0; i < count; i++) {
3765                 pci_func = esw_cfg[i].pci_func;
3766                 npar = &adapter->npars[pci_func];
3767                 switch (esw_cfg[i].op_mode) {
3768                 case QLCNIC_PORT_DEFAULTS:
3769                         npar->promisc_mode = esw_cfg[i].promisc_mode;
3770                         npar->mac_override = esw_cfg[i].mac_override;
3771                         npar->offload_flags = esw_cfg[i].offload_flags;
3772                         npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3773                         npar->discard_tagged = esw_cfg[i].discard_tagged;
3774                         break;
3775                 case QLCNIC_ADD_VLAN:
3776                         npar->pvid = esw_cfg[i].vlan_id;
3777                         break;
3778                 case QLCNIC_DEL_VLAN:
3779                         npar->pvid = 0;
3780                         break;
3781                 }
3782         }
3783 out:
3784         return size;
3785 }
3786
3787 static ssize_t
3788 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3789         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3790 {
3791         struct device *dev = container_of(kobj, struct device, kobj);
3792         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3793         struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3794         u8 i;
3795
3796         if (size != sizeof(esw_cfg))
3797                 return QL_STATUS_INVALID_PARAM;
3798
3799         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3800                 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3801                         continue;
3802                 esw_cfg[i].pci_func = i;
3803                 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3804                         return QL_STATUS_INVALID_PARAM;
3805         }
3806         memcpy(buf, &esw_cfg, size);
3807
3808         return size;
3809 }
3810
3811 static int
3812 validate_npar_config(struct qlcnic_adapter *adapter,
3813                                 struct qlcnic_npar_func_cfg *np_cfg, int count)
3814 {
3815         u8 pci_func, i;
3816
3817         for (i = 0; i < count; i++) {
3818                 pci_func = np_cfg[i].pci_func;
3819                 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3820                         return QL_STATUS_INVALID_PARAM;
3821
3822                 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3823                         return QL_STATUS_INVALID_PARAM;
3824
3825                 if (!IS_VALID_BW(np_cfg[i].min_bw) ||
3826                     !IS_VALID_BW(np_cfg[i].max_bw))
3827                         return QL_STATUS_INVALID_PARAM;
3828         }
3829         return 0;
3830 }
3831
3832 static ssize_t
3833 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3834         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3835 {
3836         struct device *dev = container_of(kobj, struct device, kobj);
3837         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3838         struct qlcnic_info nic_info;
3839         struct qlcnic_npar_func_cfg *np_cfg;
3840         int i, count, rem, ret;
3841         u8 pci_func;
3842
3843         count   = size / sizeof(struct qlcnic_npar_func_cfg);
3844         rem     = size % sizeof(struct qlcnic_npar_func_cfg);
3845         if (rem)
3846                 return QL_STATUS_INVALID_PARAM;
3847
3848         np_cfg = (struct qlcnic_npar_func_cfg *) buf;
3849         ret = validate_npar_config(adapter, np_cfg, count);
3850         if (ret)
3851                 return ret;
3852
3853         for (i = 0; i < count ; i++) {
3854                 pci_func = np_cfg[i].pci_func;
3855                 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
3856                 if (ret)
3857                         return ret;
3858                 nic_info.pci_func = pci_func;
3859                 nic_info.min_tx_bw = np_cfg[i].min_bw;
3860                 nic_info.max_tx_bw = np_cfg[i].max_bw;
3861                 ret = qlcnic_set_nic_info(adapter, &nic_info);
3862                 if (ret)
3863                         return ret;
3864                 adapter->npars[i].min_bw = nic_info.min_tx_bw;
3865                 adapter->npars[i].max_bw = nic_info.max_tx_bw;
3866         }
3867
3868         return size;
3869
3870 }
3871 static ssize_t
3872 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
3873         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3874 {
3875         struct device *dev = container_of(kobj, struct device, kobj);
3876         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3877         struct qlcnic_info nic_info;
3878         struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
3879         int i, ret;
3880
3881         if (size != sizeof(np_cfg))
3882                 return QL_STATUS_INVALID_PARAM;
3883
3884         for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3885                 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3886                         continue;
3887                 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
3888                 if (ret)
3889                         return ret;
3890
3891                 np_cfg[i].pci_func = i;
3892                 np_cfg[i].op_mode = (u8)nic_info.op_mode;
3893                 np_cfg[i].port_num = nic_info.phys_port;
3894                 np_cfg[i].fw_capab = nic_info.capabilities;
3895                 np_cfg[i].min_bw = nic_info.min_tx_bw ;
3896                 np_cfg[i].max_bw = nic_info.max_tx_bw;
3897                 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
3898                 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
3899         }
3900         memcpy(buf, &np_cfg, size);
3901         return size;
3902 }
3903
3904 static ssize_t
3905 qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
3906         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3907 {
3908         struct device *dev = container_of(kobj, struct device, kobj);
3909         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3910         struct qlcnic_esw_statistics port_stats;
3911         int ret;
3912
3913         if (size != sizeof(struct qlcnic_esw_statistics))
3914                 return QL_STATUS_INVALID_PARAM;
3915
3916         if (offset >= QLCNIC_MAX_PCI_FUNC)
3917                 return QL_STATUS_INVALID_PARAM;
3918
3919         memset(&port_stats, 0, size);
3920         ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3921                                                                 &port_stats.rx);
3922         if (ret)
3923                 return ret;
3924
3925         ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3926                                                                 &port_stats.tx);
3927         if (ret)
3928                 return ret;
3929
3930         memcpy(buf, &port_stats, size);
3931         return size;
3932 }
3933
3934 static ssize_t
3935 qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
3936         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3937 {
3938         struct device *dev = container_of(kobj, struct device, kobj);
3939         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3940         struct qlcnic_esw_statistics esw_stats;
3941         int ret;
3942
3943         if (size != sizeof(struct qlcnic_esw_statistics))
3944                 return QL_STATUS_INVALID_PARAM;
3945
3946         if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3947                 return QL_STATUS_INVALID_PARAM;
3948
3949         memset(&esw_stats, 0, size);
3950         ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3951                                                                 &esw_stats.rx);
3952         if (ret)
3953                 return ret;
3954
3955         ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3956                                                                 &esw_stats.tx);
3957         if (ret)
3958                 return ret;
3959
3960         memcpy(buf, &esw_stats, size);
3961         return size;
3962 }
3963
3964 static ssize_t
3965 qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
3966         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3967 {
3968         struct device *dev = container_of(kobj, struct device, kobj);
3969         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3970         int ret;
3971
3972         if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3973                 return QL_STATUS_INVALID_PARAM;
3974
3975         ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3976                                                 QLCNIC_QUERY_RX_COUNTER);
3977         if (ret)
3978                 return ret;
3979
3980         ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3981                                                 QLCNIC_QUERY_TX_COUNTER);
3982         if (ret)
3983                 return ret;
3984
3985         return size;
3986 }
3987
3988 static ssize_t
3989 qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
3990         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3991 {
3992
3993         struct device *dev = container_of(kobj, struct device, kobj);
3994         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3995         int ret;
3996
3997         if (offset >= QLCNIC_MAX_PCI_FUNC)
3998                 return QL_STATUS_INVALID_PARAM;
3999
4000         ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4001                                                 QLCNIC_QUERY_RX_COUNTER);
4002         if (ret)
4003                 return ret;
4004
4005         ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4006                                                 QLCNIC_QUERY_TX_COUNTER);
4007         if (ret)
4008                 return ret;
4009
4010         return size;
4011 }
4012
4013 static ssize_t
4014 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
4015         struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4016 {
4017         struct device *dev = container_of(kobj, struct device, kobj);
4018         struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4019         struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
4020         struct qlcnic_pci_info *pci_info;
4021         int i, ret;
4022
4023         if (size != sizeof(pci_cfg))
4024                 return QL_STATUS_INVALID_PARAM;
4025
4026         pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
4027         if (!pci_info)
4028                 return -ENOMEM;
4029
4030         ret = qlcnic_get_pci_info(adapter, pci_info);
4031         if (ret) {
4032                 kfree(pci_info);
4033                 return ret;
4034         }
4035
4036         for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
4037                 pci_cfg[i].pci_func = pci_info[i].id;
4038                 pci_cfg[i].func_type = pci_info[i].type;
4039                 pci_cfg[i].port_num = pci_info[i].default_port;
4040                 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
4041                 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
4042                 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
4043         }
4044         memcpy(buf, &pci_cfg, size);
4045         kfree(pci_info);
4046         return size;
4047 }
4048 static struct bin_attribute bin_attr_npar_config = {
4049         .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
4050         .size = 0,
4051         .read = qlcnic_sysfs_read_npar_config,
4052         .write = qlcnic_sysfs_write_npar_config,
4053 };
4054
4055 static struct bin_attribute bin_attr_pci_config = {
4056         .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
4057         .size = 0,
4058         .read = qlcnic_sysfs_read_pci_config,
4059         .write = NULL,
4060 };
4061
4062 static struct bin_attribute bin_attr_port_stats = {
4063         .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
4064         .size = 0,
4065         .read = qlcnic_sysfs_get_port_stats,
4066         .write = qlcnic_sysfs_clear_port_stats,
4067 };
4068
4069 static struct bin_attribute bin_attr_esw_stats = {
4070         .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
4071         .size = 0,
4072         .read = qlcnic_sysfs_get_esw_stats,
4073         .write = qlcnic_sysfs_clear_esw_stats,
4074 };
4075
4076 static struct bin_attribute bin_attr_esw_config = {
4077         .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
4078         .size = 0,
4079         .read = qlcnic_sysfs_read_esw_config,
4080         .write = qlcnic_sysfs_write_esw_config,
4081 };
4082
4083 static struct bin_attribute bin_attr_pm_config = {
4084         .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
4085         .size = 0,
4086         .read = qlcnic_sysfs_read_pm_config,
4087         .write = qlcnic_sysfs_write_pm_config,
4088 };
4089
4090 static void
4091 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
4092 {
4093         struct device *dev = &adapter->pdev->dev;
4094
4095         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4096                 if (device_create_file(dev, &dev_attr_bridged_mode))
4097                         dev_warn(dev,
4098                                 "failed to create bridged_mode sysfs entry\n");
4099 }
4100
4101 static void
4102 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
4103 {
4104         struct device *dev = &adapter->pdev->dev;
4105
4106         if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4107                 device_remove_file(dev, &dev_attr_bridged_mode);
4108 }
4109
4110 static void
4111 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
4112 {
4113         struct device *dev = &adapter->pdev->dev;
4114
4115         if (device_create_bin_file(dev, &bin_attr_port_stats))
4116                 dev_info(dev, "failed to create port stats sysfs entry");
4117
4118         if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4119                 return;
4120         if (device_create_file(dev, &dev_attr_diag_mode))
4121                 dev_info(dev, "failed to create diag_mode sysfs entry\n");
4122         if (device_create_bin_file(dev, &bin_attr_crb))
4123                 dev_info(dev, "failed to create crb sysfs entry\n");
4124         if (device_create_bin_file(dev, &bin_attr_mem))
4125                 dev_info(dev, "failed to create mem sysfs entry\n");
4126         if (device_create_bin_file(dev, &bin_attr_pci_config))
4127                 dev_info(dev, "failed to create pci config sysfs entry");
4128         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4129                 return;
4130         if (device_create_bin_file(dev, &bin_attr_esw_config))
4131                 dev_info(dev, "failed to create esw config sysfs entry");
4132         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4133                 return;
4134         if (device_create_bin_file(dev, &bin_attr_npar_config))
4135                 dev_info(dev, "failed to create npar config sysfs entry");
4136         if (device_create_bin_file(dev, &bin_attr_pm_config))
4137                 dev_info(dev, "failed to create pm config sysfs entry");
4138         if (device_create_bin_file(dev, &bin_attr_esw_stats))
4139                 dev_info(dev, "failed to create eswitch stats sysfs entry");
4140 }
4141
4142 static void
4143 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4144 {
4145         struct device *dev = &adapter->pdev->dev;
4146
4147         device_remove_bin_file(dev, &bin_attr_port_stats);
4148
4149         if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4150                 return;
4151         device_remove_file(dev, &dev_attr_diag_mode);
4152         device_remove_bin_file(dev, &bin_attr_crb);
4153         device_remove_bin_file(dev, &bin_attr_mem);
4154         device_remove_bin_file(dev, &bin_attr_pci_config);
4155         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4156                 return;
4157         device_remove_bin_file(dev, &bin_attr_esw_config);
4158         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4159                 return;
4160         device_remove_bin_file(dev, &bin_attr_npar_config);
4161         device_remove_bin_file(dev, &bin_attr_pm_config);
4162         device_remove_bin_file(dev, &bin_attr_esw_stats);
4163 }
4164
4165 #ifdef CONFIG_INET
4166
4167 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4168
4169 static void
4170 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4171                         struct net_device *dev, unsigned long event)
4172 {
4173         struct in_device *indev;
4174
4175         indev = in_dev_get(dev);
4176         if (!indev)
4177                 return;
4178
4179         for_ifa(indev) {
4180                 switch (event) {
4181                 case NETDEV_UP:
4182                         qlcnic_config_ipaddr(adapter,
4183                                         ifa->ifa_address, QLCNIC_IP_UP);
4184                         break;
4185                 case NETDEV_DOWN:
4186                         qlcnic_config_ipaddr(adapter,
4187                                         ifa->ifa_address, QLCNIC_IP_DOWN);
4188                         break;
4189                 default:
4190                         break;
4191                 }
4192         } endfor_ifa(indev);
4193
4194         in_dev_put(indev);
4195 }
4196
4197 static void
4198 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4199 {
4200         struct qlcnic_adapter *adapter = netdev_priv(netdev);
4201         struct net_device *dev;
4202         u16 vid;
4203
4204         qlcnic_config_indev_addr(adapter, netdev, event);
4205
4206         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4207                 dev = __vlan_find_dev_deep(netdev, vid);
4208                 if (!dev)
4209                         continue;
4210                 qlcnic_config_indev_addr(adapter, dev, event);
4211         }
4212 }
4213
4214 static int qlcnic_netdev_event(struct notifier_block *this,
4215                                  unsigned long event, void *ptr)
4216 {
4217         struct qlcnic_adapter *adapter;
4218         struct net_device *dev = (struct net_device *)ptr;
4219
4220 recheck:
4221         if (dev == NULL)
4222                 goto done;
4223
4224         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4225                 dev = vlan_dev_real_dev(dev);
4226                 goto recheck;
4227         }
4228
4229         if (!is_qlcnic_netdev(dev))
4230                 goto done;
4231
4232         adapter = netdev_priv(dev);
4233
4234         if (!adapter)
4235                 goto done;
4236
4237         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4238                 goto done;
4239
4240         qlcnic_config_indev_addr(adapter, dev, event);
4241 done:
4242         return NOTIFY_DONE;
4243 }
4244
4245 static int
4246 qlcnic_inetaddr_event(struct notifier_block *this,
4247                 unsigned long event, void *ptr)
4248 {
4249         struct qlcnic_adapter *adapter;
4250         struct net_device *dev;
4251
4252         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4253
4254         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4255
4256 recheck:
4257         if (dev == NULL)
4258                 goto done;
4259
4260         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4261                 dev = vlan_dev_real_dev(dev);
4262                 goto recheck;
4263         }
4264
4265         if (!is_qlcnic_netdev(dev))
4266                 goto done;
4267
4268         adapter = netdev_priv(dev);
4269
4270         if (!adapter)
4271                 goto done;
4272
4273         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4274                 goto done;
4275
4276         switch (event) {
4277         case NETDEV_UP:
4278                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4279                 break;
4280         case NETDEV_DOWN:
4281                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4282                 break;
4283         default:
4284                 break;
4285         }
4286
4287 done:
4288         return NOTIFY_DONE;
4289 }
4290
4291 static struct notifier_block    qlcnic_netdev_cb = {
4292         .notifier_call = qlcnic_netdev_event,
4293 };
4294
4295 static struct notifier_block qlcnic_inetaddr_cb = {
4296         .notifier_call = qlcnic_inetaddr_event,
4297 };
4298 #else
4299 static void
4300 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4301 { }
4302 #endif
4303 static struct pci_error_handlers qlcnic_err_handler = {
4304         .error_detected = qlcnic_io_error_detected,
4305         .slot_reset = qlcnic_io_slot_reset,
4306         .resume = qlcnic_io_resume,
4307 };
4308
4309 static struct pci_driver qlcnic_driver = {
4310         .name = qlcnic_driver_name,
4311         .id_table = qlcnic_pci_tbl,
4312         .probe = qlcnic_probe,
4313         .remove = __devexit_p(qlcnic_remove),
4314 #ifdef CONFIG_PM
4315         .suspend = qlcnic_suspend,
4316         .resume = qlcnic_resume,
4317 #endif
4318         .shutdown = qlcnic_shutdown,
4319         .err_handler = &qlcnic_err_handler
4320
4321 };
4322
4323 static int __init qlcnic_init_module(void)
4324 {
4325         int ret;
4326
4327         printk(KERN_INFO "%s\n", qlcnic_driver_string);
4328
4329         qlcnic_wq = create_singlethread_workqueue("qlcnic");
4330         if (qlcnic_wq == NULL) {
4331                 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4332                 return -ENOMEM;
4333         }
4334
4335 #ifdef CONFIG_INET
4336         register_netdevice_notifier(&qlcnic_netdev_cb);
4337         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4338 #endif
4339
4340         ret = pci_register_driver(&qlcnic_driver);
4341         if (ret) {
4342 #ifdef CONFIG_INET
4343                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4344                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4345 #endif
4346                 destroy_workqueue(qlcnic_wq);
4347         }
4348
4349         return ret;
4350 }
4351
4352 module_init(qlcnic_init_module);
4353
4354 static void __exit qlcnic_exit_module(void)
4355 {
4356
4357         pci_unregister_driver(&qlcnic_driver);
4358
4359 #ifdef CONFIG_INET
4360         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4361         unregister_netdevice_notifier(&qlcnic_netdev_cb);
4362 #endif
4363         destroy_workqueue(qlcnic_wq);
4364 }
4365
4366 module_exit(qlcnic_exit_module);