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

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include <linux/vmalloc.h>
   9 #include <linux/interrupt.h>
  10 #include <linux/swab.h>
  11 #include <linux/dma-mapping.h>
  12 #include <linux/if_vlan.h>
  13 #include <net/ip.h>
  14 #include <linux/ipv6.h>
  15 #include <linux/inetdevice.h>
  16 #include <linux/aer.h>
  17 #include <linux/log2.h>
  18 #include <linux/pci.h>
  19 #ifdef CONFIG_QLCNIC_VXLAN
  20 #include <net/vxlan.h>
  21 #endif
  22
  23 #include "qlcnic.h"
  24 #include "qlcnic_sriov.h"
  25 #include "qlcnic_hw.h"
  26
  27 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
  28 MODULE_LICENSE("GPL");
  29 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
  30 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
  31
  32 char qlcnic_driver_name[] = "qlcnic";
  33 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
  34         "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
  35
  36 static int qlcnic_mac_learn;
  37 module_param(qlcnic_mac_learn, int, 0444);
  38 MODULE_PARM_DESC(qlcnic_mac_learn,
  39                  "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
  40
  41 int qlcnic_use_msi = 1;
  42 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
  43 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
  44
  45 int qlcnic_use_msi_x = 1;
  46 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
  47 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
  48
  49 int qlcnic_auto_fw_reset = 1;
  50 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
  51 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
  52
  53 int qlcnic_load_fw_file;
  54 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
  55 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
  56
  57 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  58 static void qlcnic_remove(struct pci_dev *pdev);
  59 static int qlcnic_open(struct net_device *netdev);
  60 static int qlcnic_close(struct net_device *netdev);
  61 static void qlcnic_tx_timeout(struct net_device *netdev);
  62 static void qlcnic_attach_work(struct work_struct *work);
  63 static void qlcnic_fwinit_work(struct work_struct *work);
  64 #ifdef CONFIG_NET_POLL_CONTROLLER
  65 static void qlcnic_poll_controller(struct net_device *netdev);
  66 #endif
  67
  68 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  69 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  70
  71 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  72 static irqreturn_t qlcnic_intr(int irq, void *data);
  73 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  74 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  75 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
  76
  77 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  78 static int qlcnic_start_firmware(struct qlcnic_adapter *);
  79
  80 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  81 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  82 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  83 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
  84 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
  85
  86 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
  87 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
  88 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
  89 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
  90 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
  91 static void qlcnic_82xx_io_resume(struct pci_dev *);
  92 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
  93 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
  94                                                       pci_channel_state_t);
  95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  96 {
  97         struct qlcnic_hardware_context *ahw = adapter->ahw;
  98
  99         if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
 100                 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
 101         else
 102                 return 1;
 103 }
 104
 105 /*  PCI Device ID Table  */
 106 #define ENTRY(device) \
 107         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
 108         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
 109
 110 static const struct pci_device_id qlcnic_pci_tbl[] = {
 111         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 112         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
 113         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
 114         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
 115         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
 116         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
 117         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
 118         {0,}
 119 };
 120
 121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 122
 123
 124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
 125 {
 126         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 127 }
 128
 129 static const u32 msi_tgt_status[8] = {
 130         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 131         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 132         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 133         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 134 };
 135
 136 static const u32 qlcnic_reg_tbl[] = {
 137         0x1B20A8,       /* PEG_HALT_STAT1 */
 138         0x1B20AC,       /* PEG_HALT_STAT2 */
 139         0x1B20B0,       /* FW_HEARTBEAT */
 140         0x1B2100,       /* LOCK ID */
 141         0x1B2128,       /* FW_CAPABILITIES */
 142         0x1B2138,       /* drv active */
 143         0x1B2140,       /* dev state */
 144         0x1B2144,       /* drv state */
 145         0x1B2148,       /* drv scratch */
 146         0x1B214C,       /* dev partition info */
 147         0x1B2174,       /* drv idc ver */
 148         0x1B2150,       /* fw version major */
 149         0x1B2154,       /* fw version minor */
 150         0x1B2158,       /* fw version sub */
 151         0x1B219C,       /* npar state */
 152         0x1B21FC,       /* FW_IMG_VALID */
 153         0x1B2250,       /* CMD_PEG_STATE */
 154         0x1B233C,       /* RCV_PEG_STATE */
 155         0x1B23B4,       /* ASIC TEMP */
 156         0x1B216C,       /* FW api */
 157         0x1B2170,       /* drv op mode */
 158         0x13C010,       /* flash lock */
 159         0x13C014,       /* flash unlock */
 160 };
 161
 162 static const struct qlcnic_board_info qlcnic_boards[] = {
 163         { PCI_VENDOR_ID_QLOGIC,
 164           PCI_DEVICE_ID_QLOGIC_QLE844X,
 165           0x0,
 166           0x0,
 167           "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
 168         { PCI_VENDOR_ID_QLOGIC,
 169           PCI_DEVICE_ID_QLOGIC_QLE834X,
 170           PCI_VENDOR_ID_QLOGIC,
 171           0x24e,
 172           "8300 Series Dual Port 10GbE Converged Network Adapter "
 173           "(TCP/IP Networking)" },
 174         { PCI_VENDOR_ID_QLOGIC,
 175           PCI_DEVICE_ID_QLOGIC_QLE834X,
 176           PCI_VENDOR_ID_QLOGIC,
 177           0x243,
 178           "8300 Series Single Port 10GbE Converged Network Adapter "
 179           "(TCP/IP Networking)" },
 180         { PCI_VENDOR_ID_QLOGIC,
 181           PCI_DEVICE_ID_QLOGIC_QLE834X,
 182           PCI_VENDOR_ID_QLOGIC,
 183           0x24a,
 184           "8300 Series Dual Port 10GbE Converged Network Adapter "
 185           "(TCP/IP Networking)" },
 186         { PCI_VENDOR_ID_QLOGIC,
 187           PCI_DEVICE_ID_QLOGIC_QLE834X,
 188           PCI_VENDOR_ID_QLOGIC,
 189           0x246,
 190           "8300 Series Dual Port 10GbE Converged Network Adapter "
 191           "(TCP/IP Networking)" },
 192         { PCI_VENDOR_ID_QLOGIC,
 193           PCI_DEVICE_ID_QLOGIC_QLE834X,
 194           PCI_VENDOR_ID_QLOGIC,
 195           0x252,
 196           "8300 Series Dual Port 10GbE Converged Network Adapter "
 197           "(TCP/IP Networking)" },
 198         { PCI_VENDOR_ID_QLOGIC,
 199           PCI_DEVICE_ID_QLOGIC_QLE834X,
 200           PCI_VENDOR_ID_QLOGIC,
 201           0x26e,
 202           "8300 Series Dual Port 10GbE Converged Network Adapter "
 203           "(TCP/IP Networking)" },
 204         { PCI_VENDOR_ID_QLOGIC,
 205           PCI_DEVICE_ID_QLOGIC_QLE834X,
 206           PCI_VENDOR_ID_QLOGIC,
 207           0x260,
 208           "8300 Series Dual Port 10GbE Converged Network Adapter "
 209           "(TCP/IP Networking)" },
 210         { PCI_VENDOR_ID_QLOGIC,
 211           PCI_DEVICE_ID_QLOGIC_QLE834X,
 212           PCI_VENDOR_ID_QLOGIC,
 213           0x266,
 214           "8300 Series Single Port 10GbE Converged Network Adapter "
 215           "(TCP/IP Networking)" },
 216         { PCI_VENDOR_ID_QLOGIC,
 217           PCI_DEVICE_ID_QLOGIC_QLE834X,
 218           PCI_VENDOR_ID_QLOGIC,
 219           0x269,
 220           "8300 Series Dual Port 10GbE Converged Network Adapter "
 221           "(TCP/IP Networking)" },
 222         { PCI_VENDOR_ID_QLOGIC,
 223           PCI_DEVICE_ID_QLOGIC_QLE834X,
 224           PCI_VENDOR_ID_QLOGIC,
 225           0x271,
 226           "8300 Series Dual Port 10GbE Converged Network Adapter "
 227           "(TCP/IP Networking)" },
 228         { PCI_VENDOR_ID_QLOGIC,
 229           PCI_DEVICE_ID_QLOGIC_QLE834X,
 230           0x0, 0x0, "8300 Series 1/10GbE Controller" },
 231         { PCI_VENDOR_ID_QLOGIC,
 232           PCI_DEVICE_ID_QLOGIC_QLE8830,
 233           0x0,
 234           0x0,
 235           "8830 Series 1/10GbE Controller" },
 236         { PCI_VENDOR_ID_QLOGIC,
 237           PCI_DEVICE_ID_QLOGIC_QLE824X,
 238           PCI_VENDOR_ID_QLOGIC,
 239           0x203,
 240           "8200 Series Single Port 10GbE Converged Network Adapter"
 241           "(TCP/IP Networking)" },
 242         { PCI_VENDOR_ID_QLOGIC,
 243           PCI_DEVICE_ID_QLOGIC_QLE824X,
 244           PCI_VENDOR_ID_QLOGIC,
 245           0x207,
 246           "8200 Series Dual Port 10GbE Converged Network Adapter"
 247           "(TCP/IP Networking)" },
 248         { PCI_VENDOR_ID_QLOGIC,
 249           PCI_DEVICE_ID_QLOGIC_QLE824X,
 250           PCI_VENDOR_ID_QLOGIC,
 251           0x20b,
 252           "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
 253         { PCI_VENDOR_ID_QLOGIC,
 254           PCI_DEVICE_ID_QLOGIC_QLE824X,
 255           PCI_VENDOR_ID_QLOGIC,
 256           0x20c,
 257           "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
 258         { PCI_VENDOR_ID_QLOGIC,
 259           PCI_DEVICE_ID_QLOGIC_QLE824X,
 260           PCI_VENDOR_ID_QLOGIC,
 261           0x20f,
 262           "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
 263         { PCI_VENDOR_ID_QLOGIC,
 264           PCI_DEVICE_ID_QLOGIC_QLE824X,
 265           0x103c, 0x3733,
 266           "NC523SFP 10Gb 2-port Server Adapter" },
 267         { PCI_VENDOR_ID_QLOGIC,
 268           PCI_DEVICE_ID_QLOGIC_QLE824X,
 269           0x103c, 0x3346,
 270           "CN1000Q Dual Port Converged Network Adapter" },
 271         { PCI_VENDOR_ID_QLOGIC,
 272           PCI_DEVICE_ID_QLOGIC_QLE824X,
 273           PCI_VENDOR_ID_QLOGIC,
 274           0x210,
 275           "QME8242-k 10GbE Dual Port Mezzanine Card" },
 276         { PCI_VENDOR_ID_QLOGIC,
 277           PCI_DEVICE_ID_QLOGIC_QLE824X,
 278           0x0, 0x0, "cLOM8214 1/10GbE Controller" },
 279 };
 280
 281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
 282
 283 static const
 284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 285
 286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 287 {
 288         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 289
 290         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 291
 292         return recv_ctx->sds_rings == NULL;
 293 }
 294
 295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 296 {
 297         kfree(recv_ctx->sds_rings);
 298         recv_ctx->sds_rings = NULL;
 299 }
 300
 301 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 302 {
 303         struct net_device *netdev = adapter->netdev;
 304         struct pci_dev *pdev = adapter->pdev;
 305         u8 mac_addr[ETH_ALEN];
 306         int ret;
 307
 308         ret = qlcnic_get_mac_address(adapter, mac_addr,
 309                                      adapter->ahw->pci_func);
 310         if (ret)
 311                 return ret;
 312
 313         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 314         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 315
 316         /* set station address */
 317
 318         if (!is_valid_ether_addr(netdev->dev_addr))
 319                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 320                                         netdev->dev_addr);
 321
 322         return 0;
 323 }
 324
 325 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
 326 {
 327         struct qlcnic_mac_vlan_list *cur;
 328         struct list_head *head;
 329
 330         list_for_each(head, &adapter->mac_list) {
 331                 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
 332                 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
 333                         qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
 334                                                   0, QLCNIC_MAC_DEL);
 335                         list_del(&cur->list);
 336                         kfree(cur);
 337                         return;
 338                 }
 339         }
 340 }
 341
 342 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 343 {
 344         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 345         struct sockaddr *addr = p;
 346
 347         if (qlcnic_sriov_vf_check(adapter))
 348                 return -EINVAL;
 349
 350         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 351                 return -EOPNOTSUPP;
 352
 353         if (!is_valid_ether_addr(addr->sa_data))
 354                 return -EINVAL;
 355
 356         if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
 357                 return 0;
 358
 359         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 360                 netif_device_detach(netdev);
 361                 qlcnic_napi_disable(adapter);
 362         }
 363
 364         qlcnic_delete_adapter_mac(adapter);
 365         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 366         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 367         qlcnic_set_multi(adapter->netdev);
 368
 369         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 370                 netif_device_attach(netdev);
 371                 qlcnic_napi_enable(adapter);
 372         }
 373         return 0;
 374 }
 375
 376 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 377                         struct net_device *netdev,
 378                         const unsigned char *addr, u16 vid)
 379 {
 380         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 381         int err = -EOPNOTSUPP;
 382
 383         if (!adapter->fdb_mac_learn)
 384                 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
 385
 386         if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 387             qlcnic_sriov_check(adapter)) {
 388                 if (is_unicast_ether_addr(addr)) {
 389                         err = dev_uc_del(netdev, addr);
 390                         if (!err)
 391                                 err = qlcnic_nic_del_mac(adapter, addr);
 392                 } else if (is_multicast_ether_addr(addr)) {
 393                         err = dev_mc_del(netdev, addr);
 394                 } else {
 395                         err =  -EINVAL;
 396                 }
 397         }
 398         return err;
 399 }
 400
 401 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 402                         struct net_device *netdev,
 403                         const unsigned char *addr, u16 vid, u16 flags)
 404 {
 405         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 406         int err = 0;
 407
 408         if (!adapter->fdb_mac_learn)
 409                 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
 410
 411         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
 412             !qlcnic_sriov_check(adapter)) {
 413                 pr_info("%s: FDB e-switch is not enabled\n", __func__);
 414                 return -EOPNOTSUPP;
 415         }
 416
 417         if (ether_addr_equal(addr, adapter->mac_addr))
 418                 return err;
 419
 420         if (is_unicast_ether_addr(addr)) {
 421                 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
 422                         err = dev_uc_add_excl(netdev, addr);
 423                 else
 424                         err = -ENOMEM;
 425         } else if (is_multicast_ether_addr(addr)) {
 426                 err = dev_mc_add_excl(netdev, addr);
 427         } else {
 428                 err = -EINVAL;
 429         }
 430
 431         return err;
 432 }
 433
 434 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
 435                         struct net_device *netdev,
 436                         struct net_device *filter_dev, int idx)
 437 {
 438         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 439
 440         if (!adapter->fdb_mac_learn)
 441                 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
 442
 443         if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 444             qlcnic_sriov_check(adapter))
 445                 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
 446
 447         return idx;
 448 }
 449
 450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
 451 {
 452         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 453                 usleep_range(10000, 11000);
 454
 455         if (!adapter->fw_work.work.func)
 456                 return;
 457
 458         cancel_delayed_work_sync(&adapter->fw_work);
 459 }
 460
 461 static int qlcnic_get_phys_port_id(struct net_device *netdev,
 462                                    struct netdev_phys_item_id *ppid)
 463 {
 464         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 465         struct qlcnic_hardware_context *ahw = adapter->ahw;
 466
 467         if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
 468                 return -EOPNOTSUPP;
 469
 470         ppid->id_len = sizeof(ahw->phys_port_id);
 471         memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
 472
 473         return 0;
 474 }
 475
 476 #ifdef CONFIG_QLCNIC_VXLAN
 477 static void qlcnic_add_vxlan_port(struct net_device *netdev,
 478                                   sa_family_t sa_family, __be16 port)
 479 {
 480         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 481         struct qlcnic_hardware_context *ahw = adapter->ahw;
 482
 483         /* Adapter supports only one VXLAN port. Use very first port
 484          * for enabling offload
 485          */
 486         if (!qlcnic_encap_rx_offload(adapter))
 487                 return;
 488         if (!ahw->vxlan_port_count) {
 489                 ahw->vxlan_port_count = 1;
 490                 ahw->vxlan_port = ntohs(port);
 491                 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
 492                 return;
 493         }
 494         if (ahw->vxlan_port == ntohs(port))
 495                 ahw->vxlan_port_count++;
 496
 497 }
 498
 499 static void qlcnic_del_vxlan_port(struct net_device *netdev,
 500                                   sa_family_t sa_family, __be16 port)
 501 {
 502         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 503         struct qlcnic_hardware_context *ahw = adapter->ahw;
 504
 505         if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
 506             (ahw->vxlan_port != ntohs(port)))
 507                 return;
 508
 509         ahw->vxlan_port_count--;
 510         if (!ahw->vxlan_port_count)
 511                 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
 512 }
 513
 514 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
 515                                                struct net_device *dev,
 516                                                netdev_features_t features)
 517 {
 518         features = vlan_features_check(skb, features);
 519         return vxlan_features_check(skb, features);
 520 }
 521 #endif
 522
 523 static const struct net_device_ops qlcnic_netdev_ops = {
 524         .ndo_open          = qlcnic_open,
 525         .ndo_stop          = qlcnic_close,
 526         .ndo_start_xmit    = qlcnic_xmit_frame,
 527         .ndo_get_stats     = qlcnic_get_stats,
 528         .ndo_validate_addr = eth_validate_addr,
 529         .ndo_set_rx_mode   = qlcnic_set_multi,
 530         .ndo_set_mac_address    = qlcnic_set_mac,
 531         .ndo_change_mtu    = qlcnic_change_mtu,
 532         .ndo_fix_features  = qlcnic_fix_features,
 533         .ndo_set_features  = qlcnic_set_features,
 534         .ndo_tx_timeout    = qlcnic_tx_timeout,
 535         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 536         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 537         .ndo_fdb_add            = qlcnic_fdb_add,
 538         .ndo_fdb_del            = qlcnic_fdb_del,
 539         .ndo_fdb_dump           = qlcnic_fdb_dump,
 540         .ndo_get_phys_port_id   = qlcnic_get_phys_port_id,
 541 #ifdef CONFIG_QLCNIC_VXLAN
 542         .ndo_add_vxlan_port     = qlcnic_add_vxlan_port,
 543         .ndo_del_vxlan_port     = qlcnic_del_vxlan_port,
 544         .ndo_features_check     = qlcnic_features_check,
 545 #endif
 546 #ifdef CONFIG_NET_POLL_CONTROLLER
 547         .ndo_poll_controller = qlcnic_poll_controller,
 548 #endif
 549 #ifdef CONFIG_QLCNIC_SRIOV
 550         .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
 551         .ndo_set_vf_rate        = qlcnic_sriov_set_vf_tx_rate,
 552         .ndo_get_vf_config      = qlcnic_sriov_get_vf_config,
 553         .ndo_set_vf_vlan        = qlcnic_sriov_set_vf_vlan,
 554         .ndo_set_vf_spoofchk    = qlcnic_sriov_set_vf_spoofchk,
 555 #endif
 556 };
 557
 558 static const struct net_device_ops qlcnic_netdev_failed_ops = {
 559         .ndo_open          = qlcnic_open,
 560 };
 561
 562 static struct qlcnic_nic_template qlcnic_ops = {
 563         .config_bridged_mode    = qlcnic_config_bridged_mode,
 564         .config_led             = qlcnic_82xx_config_led,
 565         .start_firmware         = qlcnic_82xx_start_firmware,
 566         .request_reset          = qlcnic_82xx_dev_request_reset,
 567         .cancel_idc_work        = qlcnic_82xx_cancel_idc_work,
 568         .napi_add               = qlcnic_82xx_napi_add,
 569         .napi_del               = qlcnic_82xx_napi_del,
 570         .config_ipaddr          = qlcnic_82xx_config_ipaddr,
 571         .shutdown               = qlcnic_82xx_shutdown,
 572         .resume                 = qlcnic_82xx_resume,
 573         .clear_legacy_intr      = qlcnic_82xx_clear_legacy_intr,
 574 };
 575
 576 struct qlcnic_nic_template qlcnic_vf_ops = {
 577         .config_bridged_mode    = qlcnicvf_config_bridged_mode,
 578         .config_led             = qlcnicvf_config_led,
 579         .start_firmware         = qlcnicvf_start_firmware
 580 };
 581
 582 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
 583         .read_crb                       = qlcnic_82xx_read_crb,
 584         .write_crb                      = qlcnic_82xx_write_crb,
 585         .read_reg                       = qlcnic_82xx_hw_read_wx_2M,
 586         .write_reg                      = qlcnic_82xx_hw_write_wx_2M,
 587         .get_mac_address                = qlcnic_82xx_get_mac_address,
 588         .setup_intr                     = qlcnic_82xx_setup_intr,
 589         .alloc_mbx_args                 = qlcnic_82xx_alloc_mbx_args,
 590         .mbx_cmd                        = qlcnic_82xx_issue_cmd,
 591         .get_func_no                    = qlcnic_82xx_get_func_no,
 592         .api_lock                       = qlcnic_82xx_api_lock,
 593         .api_unlock                     = qlcnic_82xx_api_unlock,
 594         .add_sysfs                      = qlcnic_82xx_add_sysfs,
 595         .remove_sysfs                   = qlcnic_82xx_remove_sysfs,
 596         .process_lb_rcv_ring_diag       = qlcnic_82xx_process_rcv_ring_diag,
 597         .create_rx_ctx                  = qlcnic_82xx_fw_cmd_create_rx_ctx,
 598         .create_tx_ctx                  = qlcnic_82xx_fw_cmd_create_tx_ctx,
 599         .del_rx_ctx                     = qlcnic_82xx_fw_cmd_del_rx_ctx,
 600         .del_tx_ctx                     = qlcnic_82xx_fw_cmd_del_tx_ctx,
 601         .setup_link_event               = qlcnic_82xx_linkevent_request,
 602         .get_nic_info                   = qlcnic_82xx_get_nic_info,
 603         .get_pci_info                   = qlcnic_82xx_get_pci_info,
 604         .set_nic_info                   = qlcnic_82xx_set_nic_info,
 605         .change_macvlan                 = qlcnic_82xx_sre_macaddr_change,
 606         .napi_enable                    = qlcnic_82xx_napi_enable,
 607         .napi_disable                   = qlcnic_82xx_napi_disable,
 608         .config_intr_coal               = qlcnic_82xx_config_intr_coalesce,
 609         .config_rss                     = qlcnic_82xx_config_rss,
 610         .config_hw_lro                  = qlcnic_82xx_config_hw_lro,
 611         .config_loopback                = qlcnic_82xx_set_lb_mode,
 612         .clear_loopback                 = qlcnic_82xx_clear_lb_mode,
 613         .config_promisc_mode            = qlcnic_82xx_nic_set_promisc,
 614         .change_l2_filter               = qlcnic_82xx_change_filter,
 615         .get_board_info                 = qlcnic_82xx_get_board_info,
 616         .set_mac_filter_count           = qlcnic_82xx_set_mac_filter_count,
 617         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 618         .read_phys_port_id              = qlcnic_82xx_read_phys_port_id,
 619         .io_error_detected              = qlcnic_82xx_io_error_detected,
 620         .io_slot_reset                  = qlcnic_82xx_io_slot_reset,
 621         .io_resume                      = qlcnic_82xx_io_resume,
 622         .get_beacon_state               = qlcnic_82xx_get_beacon_state,
 623         .enable_sds_intr                = qlcnic_82xx_enable_sds_intr,
 624         .disable_sds_intr               = qlcnic_82xx_disable_sds_intr,
 625         .enable_tx_intr                 = qlcnic_82xx_enable_tx_intr,
 626         .disable_tx_intr                = qlcnic_82xx_disable_tx_intr,
 627         .get_saved_state                = qlcnic_82xx_get_saved_state,
 628         .set_saved_state                = qlcnic_82xx_set_saved_state,
 629         .cache_tmpl_hdr_values          = qlcnic_82xx_cache_tmpl_hdr_values,
 630         .get_cap_size                   = qlcnic_82xx_get_cap_size,
 631         .set_sys_info                   = qlcnic_82xx_set_sys_info,
 632         .store_cap_mask                 = qlcnic_82xx_store_cap_mask,
 633 };
 634
 635 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
 636 {
 637         struct qlcnic_hardware_context *ahw = adapter->ahw;
 638
 639         if (qlcnic_82xx_check(adapter) &&
 640             (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
 641                 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
 642                 return 0;
 643         } else {
 644                 return 1;
 645         }
 646 }
 647
 648 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
 649                             int queue_type)
 650 {
 651         int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
 652
 653         if (queue_type == QLCNIC_RX_QUEUE)
 654                 max_rings = adapter->max_sds_rings;
 655         else if (queue_type == QLCNIC_TX_QUEUE)
 656                 max_rings = adapter->max_tx_rings;
 657
 658         num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 659                                               max_rings));
 660
 661         if (ring_cnt > num_rings)
 662                 return num_rings;
 663         else
 664                 return ring_cnt;
 665 }
 666
 667 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
 668 {
 669         /* 83xx adapter does not have max_tx_rings intialized in probe */
 670         if (adapter->max_tx_rings)
 671                 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
 672                                                          QLCNIC_TX_QUEUE);
 673         else
 674                 adapter->drv_tx_rings = tx_cnt;
 675 }
 676
 677 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
 678 {
 679         /* 83xx adapter does not have max_sds_rings intialized in probe */
 680         if (adapter->max_sds_rings)
 681                 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
 682                                                           QLCNIC_RX_QUEUE);
 683         else
 684                 adapter->drv_sds_rings = rx_cnt;
 685 }
 686
 687 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
 688 {
 689         struct pci_dev *pdev = adapter->pdev;
 690         int num_msix = 0, err = 0, vector;
 691
 692         adapter->flags &= ~QLCNIC_TSS_RSS;
 693
 694         if (adapter->drv_tss_rings > 0)
 695                 num_msix += adapter->drv_tss_rings;
 696         else
 697                 num_msix += adapter->drv_tx_rings;
 698
 699         if (adapter->drv_rss_rings > 0)
 700                 num_msix += adapter->drv_rss_rings;
 701         else
 702                 num_msix += adapter->drv_sds_rings;
 703
 704         if (qlcnic_83xx_check(adapter))
 705                 num_msix += 1;
 706
 707         if (!adapter->msix_entries) {
 708                 adapter->msix_entries = kcalloc(num_msix,
 709                                                 sizeof(struct msix_entry),
 710                                                 GFP_KERNEL);
 711                 if (!adapter->msix_entries)
 712                         return -ENOMEM;
 713         }
 714
 715         for (vector = 0; vector < num_msix; vector++)
 716                 adapter->msix_entries[vector].entry = vector;
 717
 718 restore:
 719         err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
 720         if (err == -ENOSPC) {
 721                 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
 722                         return err;
 723
 724                 netdev_info(adapter->netdev,
 725                             "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
 726                             num_msix, err);
 727
 728                 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
 729
 730                 /* Set rings to 0 so we can restore original TSS/RSS count */
 731                 adapter->drv_tss_rings = 0;
 732                 adapter->drv_rss_rings = 0;
 733
 734                 if (qlcnic_83xx_check(adapter))
 735                         num_msix += 1;
 736
 737                 netdev_info(adapter->netdev,
 738                             "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
 739                             adapter->drv_tx_rings, adapter->drv_sds_rings,
 740                             num_msix);
 741
 742                 goto restore;
 743         } else if (err < 0) {
 744                 return err;
 745         }
 746
 747         adapter->ahw->num_msix = num_msix;
 748         if (adapter->drv_tss_rings > 0)
 749                 adapter->drv_tx_rings = adapter->drv_tss_rings;
 750
 751         if (adapter->drv_rss_rings > 0)
 752                 adapter->drv_sds_rings = adapter->drv_rss_rings;
 753
 754         return 0;
 755 }
 756
 757 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 758 {
 759         struct pci_dev *pdev = adapter->pdev;
 760         int err, vector;
 761
 762         if (!adapter->msix_entries) {
 763                 adapter->msix_entries = kcalloc(num_msix,
 764                                                 sizeof(struct msix_entry),
 765                                                 GFP_KERNEL);
 766                 if (!adapter->msix_entries)
 767                         return -ENOMEM;
 768         }
 769
 770         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 771
 772         if (adapter->ahw->msix_supported) {
 773 enable_msix:
 774                 for (vector = 0; vector < num_msix; vector++)
 775                         adapter->msix_entries[vector].entry = vector;
 776
 777                 err = pci_enable_msix_range(pdev,
 778                                             adapter->msix_entries, 1, num_msix);
 779
 780                 if (err == num_msix) {
 781                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 782                         adapter->ahw->num_msix = num_msix;
 783                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 784                         return 0;
 785                 } else if (err > 0) {
 786                         pci_disable_msix(pdev);
 787
 788                         dev_info(&pdev->dev,
 789                                  "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
 790                                  num_msix, err);
 791
 792                         if (qlcnic_82xx_check(adapter)) {
 793                                 num_msix = rounddown_pow_of_two(err);
 794                                 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
 795                                         return -ENOSPC;
 796                         } else {
 797                                 num_msix = rounddown_pow_of_two(err - 1);
 798                                 num_msix += 1;
 799                                 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
 800                                         return -ENOSPC;
 801                         }
 802
 803                         if (qlcnic_82xx_check(adapter) &&
 804                             !qlcnic_check_multi_tx(adapter)) {
 805                                 adapter->drv_sds_rings = num_msix;
 806                                 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
 807                         } else {
 808                                 /* Distribute vectors equally */
 809                                 adapter->drv_tx_rings = num_msix / 2;
 810                                 adapter->drv_sds_rings = adapter->drv_tx_rings;
 811                         }
 812
 813                         if (num_msix) {
 814                                 dev_info(&pdev->dev,
 815                                          "Trying to allocate %d MSI-X interrupt vectors\n",
 816                                          num_msix);
 817                                 goto enable_msix;
 818                         }
 819                 } else {
 820                         dev_info(&pdev->dev,
 821                                  "Unable to allocate %d MSI-X vectors, err=%d\n",
 822                                  num_msix, err);
 823                         return err;
 824                 }
 825         }
 826
 827         return -EIO;
 828 }
 829
 830 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
 831 {
 832         int num_msix;
 833
 834         num_msix = adapter->drv_sds_rings;
 835
 836         if (qlcnic_check_multi_tx(adapter))
 837                 num_msix += adapter->drv_tx_rings;
 838         else
 839                 num_msix += QLCNIC_SINGLE_RING;
 840
 841         return num_msix;
 842 }
 843
 844 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 845 {
 846         int err = 0;
 847         u32 offset, mask_reg;
 848         const struct qlcnic_legacy_intr_set *legacy_intrp;
 849         struct qlcnic_hardware_context *ahw = adapter->ahw;
 850         struct pci_dev *pdev = adapter->pdev;
 851
 852         if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
 853                 adapter->flags |= QLCNIC_MSI_ENABLED;
 854                 offset = msi_tgt_status[adapter->ahw->pci_func];
 855                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
 856                                                             offset);
 857                 dev_info(&pdev->dev, "using msi interrupts\n");
 858                 adapter->msix_entries[0].vector = pdev->irq;
 859                 return err;
 860         }
 861
 862         if (qlcnic_use_msi || qlcnic_use_msi_x)
 863                 return -EOPNOTSUPP;
 864
 865         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 866         adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
 867         offset = legacy_intrp->tgt_status_reg;
 868         adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
 869         mask_reg = legacy_intrp->tgt_mask_reg;
 870         adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
 871         adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
 872         adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
 873         dev_info(&pdev->dev, "using legacy interrupts\n");
 874         adapter->msix_entries[0].vector = pdev->irq;
 875         return err;
 876 }
 877
 878 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
 879 {
 880         int num_msix, err = 0;
 881
 882         if (adapter->flags & QLCNIC_TSS_RSS) {
 883                 err = qlcnic_setup_tss_rss_intr(adapter);
 884                 if (err < 0)
 885                         return err;
 886                 num_msix = adapter->ahw->num_msix;
 887         } else {
 888                 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
 889
 890                 err = qlcnic_enable_msix(adapter, num_msix);
 891                 if (err == -ENOMEM)
 892                         return err;
 893
 894                 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
 895                         qlcnic_disable_multi_tx(adapter);
 896                         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
 897
 898                         err = qlcnic_enable_msi_legacy(adapter);
 899                         if (err)
 900                                 return err;
 901                 }
 902         }
 903
 904         return 0;
 905 }
 906
 907 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
 908 {
 909         struct qlcnic_hardware_context *ahw = adapter->ahw;
 910         int err, i;
 911
 912         if (qlcnic_check_multi_tx(adapter) &&
 913             !ahw->diag_test &&
 914             (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 915                 ahw->intr_tbl = vzalloc(ahw->num_msix *
 916                                         sizeof(struct qlcnic_intrpt_config));
 917                 if (!ahw->intr_tbl)
 918                         return -ENOMEM;
 919
 920                 for (i = 0; i < ahw->num_msix; i++) {
 921                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
 922                         ahw->intr_tbl[i].id = i;
 923                         ahw->intr_tbl[i].src = 0;
 924                 }
 925
 926                 err = qlcnic_82xx_config_intrpt(adapter, 1);
 927                 if (err)
 928                         dev_err(&adapter->pdev->dev,
 929                                 "Failed to configure Interrupt for %d vector\n",
 930                                 ahw->num_msix);
 931                 return err;
 932         }
 933
 934         return 0;
 935 }
 936
 937 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 938 {
 939         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 940                 pci_disable_msix(adapter->pdev);
 941         if (adapter->flags & QLCNIC_MSI_ENABLED)
 942                 pci_disable_msi(adapter->pdev);
 943
 944         kfree(adapter->msix_entries);
 945         adapter->msix_entries = NULL;
 946
 947         if (adapter->ahw->intr_tbl) {
 948                 vfree(adapter->ahw->intr_tbl);
 949                 adapter->ahw->intr_tbl = NULL;
 950         }
 951 }
 952
 953 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 954 {
 955         if (ahw->pci_base0 != NULL)
 956                 iounmap(ahw->pci_base0);
 957 }
 958
 959 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 960 {
 961         struct qlcnic_hardware_context *ahw = adapter->ahw;
 962         struct qlcnic_pci_info *pci_info;
 963         int ret;
 964
 965         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 966                 switch (ahw->port_type) {
 967                 case QLCNIC_GBE:
 968                         ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
 969                         break;
 970                 case QLCNIC_XGBE:
 971                         ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
 972                         break;
 973                 }
 974                 return 0;
 975         }
 976
 977         if (ahw->op_mode == QLCNIC_MGMT_FUNC)
 978                 return 0;
 979
 980         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 981         if (!pci_info)
 982                 return -ENOMEM;
 983
 984         ret = qlcnic_get_pci_info(adapter, pci_info);
 985         kfree(pci_info);
 986         return ret;
 987 }
 988
 989 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
 990 {
 991         bool ret = false;
 992
 993         if (qlcnic_84xx_check(adapter)) {
 994                 ret = true;
 995         } else if (qlcnic_83xx_check(adapter)) {
 996                 if (adapter->ahw->extra_capability[0] &
 997                     QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
 998                         ret = true;
 999                 else
1000                         ret = false;
1001         }
1002
1003         return ret;
1004 }
1005
1006 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
1007 {
1008         struct qlcnic_hardware_context *ahw = adapter->ahw;
1009         struct qlcnic_pci_info *pci_info;
1010         int i, id = 0, ret = 0, j = 0;
1011         u16 act_pci_func;
1012         u8 pfn;
1013
1014         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
1015         if (!pci_info)
1016                 return -ENOMEM;
1017
1018         ret = qlcnic_get_pci_info(adapter, pci_info);
1019         if (ret)
1020                 goto err_pci_info;
1021
1022         act_pci_func = ahw->total_nic_func;
1023
1024         adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1025                                  act_pci_func, GFP_KERNEL);
1026         if (!adapter->npars) {
1027                 ret = -ENOMEM;
1028                 goto err_pci_info;
1029         }
1030
1031         adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1032                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1033         if (!adapter->eswitch) {
1034                 ret = -ENOMEM;
1035                 goto err_npars;
1036         }
1037
1038         for (i = 0; i < ahw->max_vnic_func; i++) {
1039                 pfn = pci_info[i].id;
1040
1041                 if (pfn >= ahw->max_vnic_func) {
1042                         ret = -EINVAL;
1043                         dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1044                                 __func__, pfn, ahw->max_vnic_func);
1045                         goto err_eswitch;
1046                 }
1047
1048                 if (!pci_info[i].active ||
1049                     (pci_info[i].type != QLCNIC_TYPE_NIC))
1050                         continue;
1051
1052                 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1053                         if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1054                                                                  &id))
1055                                 adapter->npars[j].eswitch_status = true;
1056                         else
1057                                 continue;
1058                 } else {
1059                         adapter->npars[j].eswitch_status = true;
1060                 }
1061
1062                 adapter->npars[j].pci_func = pfn;
1063                 adapter->npars[j].active = (u8)pci_info[i].active;
1064                 adapter->npars[j].type = (u8)pci_info[i].type;
1065                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1066                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1067                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1068
1069                 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1070                 j++;
1071         }
1072
1073         /* Update eSwitch status for adapters without per port eSwitch
1074          * configuration capability
1075          */
1076         if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1077                 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1078                         adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1079         }
1080
1081         kfree(pci_info);
1082         return 0;
1083
1084 err_eswitch:
1085         kfree(adapter->eswitch);
1086         adapter->eswitch = NULL;
1087 err_npars:
1088         kfree(adapter->npars);
1089         adapter->npars = NULL;
1090 err_pci_info:
1091         kfree(pci_info);
1092
1093         return ret;
1094 }
1095
1096 static int
1097 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1098 {
1099         u8 id;
1100         int ret;
1101         u32 data = QLCNIC_MGMT_FUNC;
1102         struct qlcnic_hardware_context *ahw = adapter->ahw;
1103
1104         ret = qlcnic_api_lock(adapter);
1105         if (ret)
1106                 goto err_lock;
1107
1108         id = ahw->pci_func;
1109         data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1110         data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1111                QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1112         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1113         qlcnic_api_unlock(adapter);
1114 err_lock:
1115         return ret;
1116 }
1117
1118 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1119                             const struct pci_device_id *ent)
1120 {
1121         u32 op_mode, priv_level;
1122
1123         /* Determine FW API version */
1124         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1125                                                            QLCNIC_FW_API);
1126
1127         /* Find PCI function number */
1128         qlcnic_get_func_no(adapter);
1129
1130         /* Determine function privilege level */
1131         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1132         if (op_mode == QLC_DEV_DRV_DEFAULT)
1133                 priv_level = QLCNIC_MGMT_FUNC;
1134         else
1135                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1136
1137         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1138                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1139                 dev_info(&adapter->pdev->dev,
1140                         "HAL Version: %d Non Privileged function\n",
1141                          adapter->ahw->fw_hal_version);
1142                 adapter->nic_ops = &qlcnic_vf_ops;
1143         } else
1144                 adapter->nic_ops = &qlcnic_ops;
1145 }
1146
1147 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1148 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1149 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1150 {
1151         switch (dev_id) {
1152         case PCI_DEVICE_ID_QLOGIC_QLE824X:
1153                 *bar = QLCNIC_82XX_BAR0_LENGTH;
1154                 break;
1155         case PCI_DEVICE_ID_QLOGIC_QLE834X:
1156         case PCI_DEVICE_ID_QLOGIC_QLE8830:
1157         case PCI_DEVICE_ID_QLOGIC_QLE844X:
1158         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1159         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1160         case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1161                 *bar = QLCNIC_83XX_BAR0_LENGTH;
1162                 break;
1163         default:
1164                 *bar = 0;
1165         }
1166 }
1167
1168 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1169                                 struct qlcnic_hardware_context *ahw)
1170 {
1171         u32 offset;
1172         void __iomem *mem_ptr0 = NULL;
1173         unsigned long mem_len, pci_len0 = 0, bar0_len;
1174
1175         /* remap phys address */
1176         mem_len = pci_resource_len(pdev, 0);
1177
1178         qlcnic_get_bar_length(pdev->device, &bar0_len);
1179         if (mem_len >= bar0_len) {
1180
1181                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1182                 if (mem_ptr0 == NULL) {
1183                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1184                         return -EIO;
1185                 }
1186                 pci_len0 = mem_len;
1187         } else {
1188                 return -EIO;
1189         }
1190
1191         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1192
1193         ahw->pci_base0 = mem_ptr0;
1194         ahw->pci_len0 = pci_len0;
1195         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1196         qlcnic_get_ioaddr(ahw, offset);
1197
1198         return 0;
1199 }
1200
1201 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1202                                          int index)
1203 {
1204         struct pci_dev *pdev = adapter->pdev;
1205         unsigned short subsystem_vendor;
1206         bool ret = true;
1207
1208         subsystem_vendor = pdev->subsystem_vendor;
1209
1210         if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1211             pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1212                 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1213                     qlcnic_boards[index].sub_device == pdev->subsystem_device)
1214                         ret = true;
1215                 else
1216                         ret = false;
1217         }
1218
1219         return ret;
1220 }
1221
1222 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1223 {
1224         struct pci_dev *pdev = adapter->pdev;
1225         int i, found = 0;
1226
1227         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1228                 if (qlcnic_boards[i].vendor == pdev->vendor &&
1229                     qlcnic_boards[i].device == pdev->device &&
1230                     qlcnic_validate_subsystem_id(adapter, i)) {
1231                         found = 1;
1232                         break;
1233                 }
1234         }
1235
1236         if (!found)
1237                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1238         else
1239                 sprintf(name, "%pM: %s" , adapter->mac_addr,
1240                         qlcnic_boards[i].short_name);
1241 }
1242
1243 static void
1244 qlcnic_check_options(struct qlcnic_adapter *adapter)
1245 {
1246         int err;
1247         u32 fw_major, fw_minor, fw_build, prev_fw_version;
1248         struct pci_dev *pdev = adapter->pdev;
1249         struct qlcnic_hardware_context *ahw = adapter->ahw;
1250         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1251
1252         prev_fw_version = adapter->fw_version;
1253
1254         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1255         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1256         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1257
1258         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1259
1260         err = qlcnic_get_board_info(adapter);
1261         if (err) {
1262                 dev_err(&pdev->dev, "Error getting board config info.\n");
1263                 return;
1264         }
1265         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1266                 if (fw_dump->tmpl_hdr == NULL ||
1267                                 adapter->fw_version > prev_fw_version) {
1268                         vfree(fw_dump->tmpl_hdr);
1269                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1270                                 dev_info(&pdev->dev,
1271                                         "Supports FW dump capability\n");
1272                 }
1273         }
1274
1275         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1276                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1277
1278         if (adapter->ahw->port_type == QLCNIC_XGBE) {
1279                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1280                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1281                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1282                 } else {
1283                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1284                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1285                 }
1286
1287                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1288                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1289
1290         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1291                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1292                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1293                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1294                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1295         }
1296
1297         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1298
1299         adapter->num_txd = MAX_CMD_DESCRIPTORS;
1300
1301         adapter->max_rds_rings = MAX_RDS_RINGS;
1302 }
1303
1304 static int
1305 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1306 {
1307         struct qlcnic_info nic_info;
1308         int err = 0;
1309
1310         memset(&nic_info, 0, sizeof(struct qlcnic_info));
1311         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1312         if (err)
1313                 return err;
1314
1315         adapter->ahw->physical_port = (u8)nic_info.phys_port;
1316         adapter->ahw->switch_mode = nic_info.switch_mode;
1317         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1318         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1319         adapter->ahw->capabilities = nic_info.capabilities;
1320
1321         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1322                 u32 temp;
1323                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1324                 if (err == -EIO)
1325                         return err;
1326                 adapter->ahw->extra_capability[0] = temp;
1327         } else {
1328                 adapter->ahw->extra_capability[0] = 0;
1329         }
1330
1331         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1332         adapter->ahw->max_mtu = nic_info.max_mtu;
1333
1334         if (adapter->ahw->capabilities & BIT_6) {
1335                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1336                 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1337                 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1338                 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1339
1340                 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1341         } else {
1342                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1343                 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1344                 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1345                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1346         }
1347
1348         return err;
1349 }
1350
1351 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1352                             struct qlcnic_esw_func_cfg *esw_cfg)
1353 {
1354         if (esw_cfg->discard_tagged)
1355                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1356         else
1357                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1358
1359         if (esw_cfg->vlan_id) {
1360                 adapter->rx_pvid = esw_cfg->vlan_id;
1361                 adapter->tx_pvid = esw_cfg->vlan_id;
1362         } else {
1363                 adapter->rx_pvid = 0;
1364                 adapter->tx_pvid = 0;
1365         }
1366 }
1367
1368 static int
1369 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1370 {
1371         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1372         int err;
1373
1374         if (qlcnic_sriov_vf_check(adapter)) {
1375                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1376                 if (err) {
1377                         netdev_err(netdev,
1378                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1379                                    vid, err);
1380                         return err;
1381                 }
1382         }
1383
1384         set_bit(vid, adapter->vlans);
1385         return 0;
1386 }
1387
1388 static int
1389 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1390 {
1391         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1392         int err;
1393
1394         if (qlcnic_sriov_vf_check(adapter)) {
1395                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1396                 if (err) {
1397                         netdev_err(netdev,
1398                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1399                                    vid, err);
1400                         return err;
1401                 }
1402         }
1403
1404         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1405         clear_bit(vid, adapter->vlans);
1406         return 0;
1407 }
1408
1409 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1410                                       struct qlcnic_esw_func_cfg *esw_cfg)
1411 {
1412         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1413                                 QLCNIC_PROMISC_DISABLED);
1414
1415         if (esw_cfg->mac_anti_spoof)
1416                 adapter->flags |= QLCNIC_MACSPOOF;
1417
1418         if (!esw_cfg->mac_override)
1419                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1420
1421         if (!esw_cfg->promisc_mode)
1422                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1423 }
1424
1425 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1426 {
1427         struct qlcnic_esw_func_cfg esw_cfg;
1428
1429         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1430                 return 0;
1431
1432         esw_cfg.pci_func = adapter->ahw->pci_func;
1433         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1434                         return -EIO;
1435         qlcnic_set_vlan_config(adapter, &esw_cfg);
1436         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1437         qlcnic_set_netdev_features(adapter, &esw_cfg);
1438
1439         return 0;
1440 }
1441
1442 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1443                                 struct qlcnic_esw_func_cfg *esw_cfg)
1444 {
1445         struct net_device *netdev = adapter->netdev;
1446
1447         if (qlcnic_83xx_check(adapter))
1448                 return;
1449
1450         adapter->offload_flags = esw_cfg->offload_flags;
1451         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1452         netdev_update_features(netdev);
1453         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1454 }
1455
1456 static int
1457 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1458 {
1459         u32 op_mode, priv_level;
1460         int err = 0;
1461
1462         err = qlcnic_initialize_nic(adapter);
1463         if (err)
1464                 return err;
1465
1466         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1467                 return 0;
1468
1469         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1470         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1471
1472         if (op_mode == QLC_DEV_DRV_DEFAULT)
1473                 priv_level = QLCNIC_MGMT_FUNC;
1474         else
1475                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1476
1477         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1478                 if (priv_level == QLCNIC_MGMT_FUNC) {
1479                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1480                         err = qlcnic_init_pci_info(adapter);
1481                         if (err)
1482                                 return err;
1483                         /* Set privilege level for other functions */
1484                         qlcnic_set_function_modes(adapter);
1485                         dev_info(&adapter->pdev->dev,
1486                                 "HAL Version: %d, Management function\n",
1487                                  adapter->ahw->fw_hal_version);
1488                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1489                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1490                         dev_info(&adapter->pdev->dev,
1491                                 "HAL Version: %d, Privileged function\n",
1492                                  adapter->ahw->fw_hal_version);
1493                 }
1494         } else {
1495                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1496         }
1497
1498         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1499
1500         return err;
1501 }
1502
1503 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1504 {
1505         struct qlcnic_esw_func_cfg esw_cfg;
1506         struct qlcnic_npar_info *npar;
1507         u8 i;
1508
1509         if (adapter->need_fw_reset)
1510                 return 0;
1511
1512         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1513                 if (!adapter->npars[i].eswitch_status)
1514                         continue;
1515
1516                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1517                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1518                 esw_cfg.mac_override = BIT_0;
1519                 esw_cfg.promisc_mode = BIT_0;
1520                 if (qlcnic_82xx_check(adapter)) {
1521                         esw_cfg.offload_flags = BIT_0;
1522                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1523                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1524                 }
1525                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1526                         return -EIO;
1527                 npar = &adapter->npars[i];
1528                 npar->pvid = esw_cfg.vlan_id;
1529                 npar->mac_override = esw_cfg.mac_override;
1530                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1531                 npar->discard_tagged = esw_cfg.discard_tagged;
1532                 npar->promisc_mode = esw_cfg.promisc_mode;
1533                 npar->offload_flags = esw_cfg.offload_flags;
1534         }
1535
1536         return 0;
1537 }
1538
1539
1540 static int
1541 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1542                         struct qlcnic_npar_info *npar, int pci_func)
1543 {
1544         struct qlcnic_esw_func_cfg esw_cfg;
1545         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1546         esw_cfg.pci_func = pci_func;
1547         esw_cfg.vlan_id = npar->pvid;
1548         esw_cfg.mac_override = npar->mac_override;
1549         esw_cfg.discard_tagged = npar->discard_tagged;
1550         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1551         esw_cfg.offload_flags = npar->offload_flags;
1552         esw_cfg.promisc_mode = npar->promisc_mode;
1553         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1554                 return -EIO;
1555
1556         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1557         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1558                 return -EIO;
1559
1560         return 0;
1561 }
1562
1563 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1564 {
1565         int i, err;
1566         struct qlcnic_npar_info *npar;
1567         struct qlcnic_info nic_info;
1568         u8 pci_func;
1569
1570         if (qlcnic_82xx_check(adapter))
1571                 if (!adapter->need_fw_reset)
1572                         return 0;
1573
1574         /* Set the NPAR config data after FW reset */
1575         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1576                 npar = &adapter->npars[i];
1577                 pci_func = npar->pci_func;
1578                 if (!adapter->npars[i].eswitch_status)
1579                         continue;
1580
1581                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1582                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1583                 if (err)
1584                         return err;
1585                 nic_info.min_tx_bw = npar->min_bw;
1586                 nic_info.max_tx_bw = npar->max_bw;
1587                 err = qlcnic_set_nic_info(adapter, &nic_info);
1588                 if (err)
1589                         return err;
1590
1591                 if (npar->enable_pm) {
1592                         err = qlcnic_config_port_mirroring(adapter,
1593                                                            npar->dest_npar, 1,
1594                                                            pci_func);
1595                         if (err)
1596                                 return err;
1597                 }
1598                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1599                 if (err)
1600                         return err;
1601         }
1602         return 0;
1603 }
1604
1605 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1606 {
1607         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1608         u32 npar_state;
1609
1610         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1611                 return 0;
1612
1613         npar_state = QLC_SHARED_REG_RD32(adapter,
1614                                          QLCNIC_CRB_DEV_NPAR_STATE);
1615         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1616                 msleep(1000);
1617                 npar_state = QLC_SHARED_REG_RD32(adapter,
1618                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1619         }
1620         if (!npar_opt_timeo) {
1621                 dev_err(&adapter->pdev->dev,
1622                         "Waiting for NPAR state to operational timeout\n");
1623                 return -EIO;
1624         }
1625         return 0;
1626 }
1627
1628 static int
1629 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1630 {
1631         int err;
1632
1633         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1634             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1635                 return 0;
1636
1637         err = qlcnic_set_default_offload_settings(adapter);
1638         if (err)
1639                 return err;
1640
1641         err = qlcnic_reset_npar_config(adapter);
1642         if (err)
1643                 return err;
1644
1645         qlcnic_dev_set_npar_ready(adapter);
1646
1647         return err;
1648 }
1649
1650 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1651 {
1652         int err;
1653
1654         err = qlcnic_can_start_firmware(adapter);
1655         if (err < 0)
1656                 return err;
1657         else if (!err)
1658                 goto check_fw_status;
1659
1660         if (qlcnic_load_fw_file)
1661                 qlcnic_request_firmware(adapter);
1662         else {
1663                 err = qlcnic_check_flash_fw_ver(adapter);
1664                 if (err)
1665                         goto err_out;
1666
1667                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1668         }
1669
1670         err = qlcnic_need_fw_reset(adapter);
1671         if (err == 0)
1672                 goto check_fw_status;
1673
1674         err = qlcnic_pinit_from_rom(adapter);
1675         if (err)
1676                 goto err_out;
1677
1678         err = qlcnic_load_firmware(adapter);
1679         if (err)
1680                 goto err_out;
1681
1682         qlcnic_release_firmware(adapter);
1683         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1684
1685 check_fw_status:
1686         err = qlcnic_check_fw_status(adapter);
1687         if (err)
1688                 goto err_out;
1689
1690         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1691         qlcnic_idc_debug_info(adapter, 1);
1692         err = qlcnic_check_eswitch_mode(adapter);
1693         if (err) {
1694                 dev_err(&adapter->pdev->dev,
1695                         "Memory allocation failed for eswitch\n");
1696                 goto err_out;
1697         }
1698         err = qlcnic_set_mgmt_operations(adapter);
1699         if (err)
1700                 goto err_out;
1701
1702         qlcnic_check_options(adapter);
1703         adapter->need_fw_reset = 0;
1704
1705         qlcnic_release_firmware(adapter);
1706         return 0;
1707
1708 err_out:
1709         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1710         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1711
1712         qlcnic_release_firmware(adapter);
1713         return err;
1714 }
1715
1716 static int
1717 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1718 {
1719         irq_handler_t handler;
1720         struct qlcnic_host_sds_ring *sds_ring;
1721         struct qlcnic_host_tx_ring *tx_ring;
1722         int err, ring, num_sds_rings;
1723
1724         unsigned long flags = 0;
1725         struct net_device *netdev = adapter->netdev;
1726         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1727
1728         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1729                 if (qlcnic_82xx_check(adapter))
1730                         handler = qlcnic_tmp_intr;
1731                 else
1732                         handler = qlcnic_83xx_tmp_intr;
1733                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1734                         flags |= IRQF_SHARED;
1735
1736         } else {
1737                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1738                         handler = qlcnic_msix_intr;
1739                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1740                         handler = qlcnic_msi_intr;
1741                 else {
1742                         flags |= IRQF_SHARED;
1743                         if (qlcnic_82xx_check(adapter))
1744                                 handler = qlcnic_intr;
1745                         else
1746                                 handler = qlcnic_83xx_intr;
1747                 }
1748         }
1749         adapter->irq = netdev->irq;
1750
1751         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1752                 if (qlcnic_82xx_check(adapter) ||
1753                     (qlcnic_83xx_check(adapter) &&
1754                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1755                         num_sds_rings = adapter->drv_sds_rings;
1756                         for (ring = 0; ring < num_sds_rings; ring++) {
1757                                 sds_ring = &recv_ctx->sds_rings[ring];
1758                                 if (qlcnic_82xx_check(adapter) &&
1759                                     !qlcnic_check_multi_tx(adapter) &&
1760                                     (ring == (num_sds_rings - 1))) {
1761                                         if (!(adapter->flags &
1762                                               QLCNIC_MSIX_ENABLED))
1763                                                 snprintf(sds_ring->name,
1764                                                          sizeof(sds_ring->name),
1765                                                          "qlcnic");
1766                                         else
1767                                                 snprintf(sds_ring->name,
1768                                                          sizeof(sds_ring->name),
1769                                                          "%s-tx-0-rx-%d",
1770                                                          netdev->name, ring);
1771                                 } else {
1772                                         snprintf(sds_ring->name,
1773                                                  sizeof(sds_ring->name),
1774                                                  "%s-rx-%d",
1775                                                  netdev->name, ring);
1776                                 }
1777                                 err = request_irq(sds_ring->irq, handler, flags,
1778                                                   sds_ring->name, sds_ring);
1779                                 if (err)
1780                                         return err;
1781                         }
1782                 }
1783                 if ((qlcnic_82xx_check(adapter) &&
1784                      qlcnic_check_multi_tx(adapter)) ||
1785                     (qlcnic_83xx_check(adapter) &&
1786                      (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1787                      !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1788                         handler = qlcnic_msix_tx_intr;
1789                         for (ring = 0; ring < adapter->drv_tx_rings;
1790                              ring++) {
1791                                 tx_ring = &adapter->tx_ring[ring];
1792                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1793                                          "%s-tx-%d", netdev->name, ring);
1794                                 err = request_irq(tx_ring->irq, handler, flags,
1795                                                   tx_ring->name, tx_ring);
1796                                 if (err)
1797                                         return err;
1798                         }
1799                 }
1800         }
1801         return 0;
1802 }
1803
1804 static void
1805 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1806 {
1807         int ring;
1808         struct qlcnic_host_sds_ring *sds_ring;
1809         struct qlcnic_host_tx_ring *tx_ring;
1810
1811         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1812
1813         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1814                 if (qlcnic_82xx_check(adapter) ||
1815                     (qlcnic_83xx_check(adapter) &&
1816                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1817                         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1818                                 sds_ring = &recv_ctx->sds_rings[ring];
1819                                 free_irq(sds_ring->irq, sds_ring);
1820                         }
1821                 }
1822                 if ((qlcnic_83xx_check(adapter) &&
1823                      !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1824                     (qlcnic_82xx_check(adapter) &&
1825                      qlcnic_check_multi_tx(adapter))) {
1826                         for (ring = 0; ring < adapter->drv_tx_rings;
1827                              ring++) {
1828                                 tx_ring = &adapter->tx_ring[ring];
1829                                 if (tx_ring->irq)
1830                                         free_irq(tx_ring->irq, tx_ring);
1831                         }
1832                 }
1833         }
1834 }
1835
1836 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1837 {
1838         u32 capab = 0;
1839
1840         if (qlcnic_82xx_check(adapter)) {
1841                 if (adapter->ahw->extra_capability[0] &
1842                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1843                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1844         } else {
1845                 capab = adapter->ahw->capabilities;
1846                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1847                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1848         }
1849 }
1850
1851 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1852 {
1853         struct qlcnic_hardware_context *ahw = adapter->ahw;
1854         int err;
1855
1856         /* Initialize interrupt coalesce parameters */
1857         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1858
1859         if (qlcnic_83xx_check(adapter)) {
1860                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1861                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1862                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1863                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1864                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1865
1866                 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1867         } else {
1868                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1869                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1870                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1871
1872                 err = qlcnic_82xx_set_rx_coalesce(adapter);
1873         }
1874
1875         return err;
1876 }
1877
1878 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1879 {
1880         int ring;
1881         struct qlcnic_host_rds_ring *rds_ring;
1882
1883         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1884                 return -EIO;
1885
1886         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1887                 return 0;
1888
1889         if (qlcnic_set_eswitch_port_config(adapter))
1890                 return -EIO;
1891
1892         qlcnic_get_lro_mss_capability(adapter);
1893
1894         if (qlcnic_fw_create_ctx(adapter))
1895                 return -EIO;
1896
1897         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1898                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1899                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1900         }
1901
1902         qlcnic_set_multi(netdev);
1903         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1904
1905         adapter->ahw->linkup = 0;
1906
1907         if (adapter->drv_sds_rings > 1)
1908                 qlcnic_config_rss(adapter, 1);
1909
1910         qlcnic_config_def_intr_coalesce(adapter);
1911
1912         if (netdev->features & NETIF_F_LRO)
1913                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1914
1915         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1916         qlcnic_napi_enable(adapter);
1917
1918         qlcnic_linkevent_request(adapter, 1);
1919
1920         adapter->ahw->reset_context = 0;
1921         netif_tx_start_all_queues(netdev);
1922         return 0;
1923 }
1924
1925 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1926 {
1927         int err = 0;
1928
1929         rtnl_lock();
1930         if (netif_running(netdev))
1931                 err = __qlcnic_up(adapter, netdev);
1932         rtnl_unlock();
1933
1934         return err;
1935 }
1936
1937 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1938 {
1939         int ring;
1940
1941         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1942                 return;
1943
1944         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1945                 return;
1946
1947         smp_mb();
1948         netif_carrier_off(netdev);
1949         adapter->ahw->linkup = 0;
1950         netif_tx_disable(netdev);
1951
1952         qlcnic_free_mac_list(adapter);
1953
1954         if (adapter->fhash.fnum)
1955                 qlcnic_delete_lb_filters(adapter);
1956
1957         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1958         if (qlcnic_sriov_vf_check(adapter))
1959                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1960
1961         qlcnic_napi_disable(adapter);
1962
1963         qlcnic_fw_destroy_ctx(adapter);
1964         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1965
1966         qlcnic_reset_rx_buffers_list(adapter);
1967
1968         for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1969                 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1970 }
1971
1972 /* Usage: During suspend and firmware recovery module */
1973
1974 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1975 {
1976         rtnl_lock();
1977         if (netif_running(netdev))
1978                 __qlcnic_down(adapter, netdev);
1979         rtnl_unlock();
1980
1981 }
1982
1983 int
1984 qlcnic_attach(struct qlcnic_adapter *adapter)
1985 {
1986         struct net_device *netdev = adapter->netdev;
1987         struct pci_dev *pdev = adapter->pdev;
1988         int err;
1989
1990         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1991                 return 0;
1992
1993         err = qlcnic_napi_add(adapter, netdev);
1994         if (err)
1995                 return err;
1996
1997         err = qlcnic_alloc_sw_resources(adapter);
1998         if (err) {
1999                 dev_err(&pdev->dev, "Error in setting sw resources\n");
2000                 goto err_out_napi_del;
2001         }
2002
2003         err = qlcnic_alloc_hw_resources(adapter);
2004         if (err) {
2005                 dev_err(&pdev->dev, "Error in setting hw resources\n");
2006                 goto err_out_free_sw;
2007         }
2008
2009         err = qlcnic_request_irq(adapter);
2010         if (err) {
2011                 dev_err(&pdev->dev, "failed to setup interrupt\n");
2012                 goto err_out_free_hw;
2013         }
2014
2015         qlcnic_create_sysfs_entries(adapter);
2016
2017 #ifdef CONFIG_QLCNIC_VXLAN
2018         if (qlcnic_encap_rx_offload(adapter))
2019                 vxlan_get_rx_port(netdev);
2020 #endif
2021
2022         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2023         return 0;
2024
2025 err_out_free_hw:
2026         qlcnic_free_hw_resources(adapter);
2027 err_out_free_sw:
2028         qlcnic_free_sw_resources(adapter);
2029 err_out_napi_del:
2030         qlcnic_napi_del(adapter);
2031         return err;
2032 }
2033
2034 void qlcnic_detach(struct qlcnic_adapter *adapter)
2035 {
2036         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2037                 return;
2038
2039         qlcnic_remove_sysfs_entries(adapter);
2040
2041         qlcnic_free_hw_resources(adapter);
2042         qlcnic_release_rx_buffers(adapter);
2043         qlcnic_free_irq(adapter);
2044         qlcnic_napi_del(adapter);
2045         qlcnic_free_sw_resources(adapter);
2046
2047         adapter->is_up = 0;
2048 }
2049
2050 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2051 {
2052         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2053         struct qlcnic_host_sds_ring *sds_ring;
2054         int drv_tx_rings = adapter->drv_tx_rings;
2055         int ring;
2056
2057         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2058         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2059                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2060                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2061                         qlcnic_disable_sds_intr(adapter, sds_ring);
2062                 }
2063         }
2064
2065         qlcnic_fw_destroy_ctx(adapter);
2066
2067         qlcnic_detach(adapter);
2068
2069         adapter->ahw->diag_test = 0;
2070         adapter->drv_sds_rings = drv_sds_rings;
2071         adapter->drv_tx_rings = drv_tx_rings;
2072
2073         if (qlcnic_attach(adapter))
2074                 goto out;
2075
2076         if (netif_running(netdev))
2077                 __qlcnic_up(adapter, netdev);
2078 out:
2079         netif_device_attach(netdev);
2080 }
2081
2082 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2083 {
2084         struct qlcnic_hardware_context *ahw = adapter->ahw;
2085         int err = 0;
2086
2087         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2088                                 GFP_KERNEL);
2089         if (!adapter->recv_ctx) {
2090                 err = -ENOMEM;
2091                 goto err_out;
2092         }
2093
2094         if (qlcnic_83xx_check(adapter)) {
2095                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2096                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2097                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2098                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2099                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2100         } else {
2101                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2102                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2103                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2104         }
2105
2106         /* clear stats */
2107         memset(&adapter->stats, 0, sizeof(adapter->stats));
2108 err_out:
2109         return err;
2110 }
2111
2112 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2113 {
2114         struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2115
2116         kfree(adapter->recv_ctx);
2117         adapter->recv_ctx = NULL;
2118
2119         if (fw_dump->tmpl_hdr) {
2120                 vfree(fw_dump->tmpl_hdr);
2121                 fw_dump->tmpl_hdr = NULL;
2122         }
2123
2124         if (fw_dump->dma_buffer) {
2125                 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2126                                   fw_dump->dma_buffer, fw_dump->phys_addr);
2127                 fw_dump->dma_buffer = NULL;
2128         }
2129
2130         kfree(adapter->ahw->reset.buff);
2131         adapter->ahw->fw_dump.tmpl_hdr = NULL;
2132 }
2133
2134 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2135 {
2136         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2137         struct qlcnic_host_sds_ring *sds_ring;
2138         struct qlcnic_host_rds_ring *rds_ring;
2139         int ring;
2140         int ret;
2141
2142         netif_device_detach(netdev);
2143
2144         if (netif_running(netdev))
2145                 __qlcnic_down(adapter, netdev);
2146
2147         qlcnic_detach(adapter);
2148
2149         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2150         adapter->ahw->diag_test = test;
2151         adapter->ahw->linkup = 0;
2152
2153         ret = qlcnic_attach(adapter);
2154         if (ret) {
2155                 netif_device_attach(netdev);
2156                 return ret;
2157         }
2158
2159         ret = qlcnic_fw_create_ctx(adapter);
2160         if (ret) {
2161                 qlcnic_detach(adapter);
2162                 netif_device_attach(netdev);
2163                 return ret;
2164         }
2165
2166         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2167                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2168                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2169         }
2170
2171         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2172                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2173                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2174                         qlcnic_enable_sds_intr(adapter, sds_ring);
2175                 }
2176         }
2177
2178         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2179                 adapter->ahw->loopback_state = 0;
2180                 qlcnic_linkevent_request(adapter, 1);
2181         }
2182
2183         set_bit(__QLCNIC_DEV_UP, &adapter->state);
2184
2185         return 0;
2186 }
2187
2188 /* Reset context in hardware only */
2189 static int
2190 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2191 {
2192         struct net_device *netdev = adapter->netdev;
2193
2194         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2195                 return -EBUSY;
2196
2197         netif_device_detach(netdev);
2198
2199         qlcnic_down(adapter, netdev);
2200
2201         qlcnic_up(adapter, netdev);
2202
2203         netif_device_attach(netdev);
2204
2205         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2206         netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2207         return 0;
2208 }
2209
2210 int
2211 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2212 {
2213         int err = 0;
2214         struct net_device *netdev = adapter->netdev;
2215
2216         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2217                 return -EBUSY;
2218
2219         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2220
2221                 netif_device_detach(netdev);
2222
2223                 if (netif_running(netdev))
2224                         __qlcnic_down(adapter, netdev);
2225
2226                 qlcnic_detach(adapter);
2227
2228                 if (netif_running(netdev)) {
2229                         err = qlcnic_attach(adapter);
2230                         if (!err) {
2231                                 __qlcnic_up(adapter, netdev);
2232                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2233                         }
2234                 }
2235
2236                 netif_device_attach(netdev);
2237         }
2238
2239         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2240         return err;
2241 }
2242
2243 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2244 {
2245         struct qlcnic_hardware_context *ahw = adapter->ahw;
2246         u16 act_pci_fn = ahw->total_nic_func;
2247         u16 count;
2248
2249         ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2250         if (act_pci_fn <= 2)
2251                 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2252                          act_pci_fn;
2253         else
2254                 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2255                          act_pci_fn;
2256         ahw->max_uc_count = count;
2257 }
2258
2259 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2260                                       u8 tx_queues, u8 rx_queues)
2261 {
2262         struct net_device *netdev = adapter->netdev;
2263         int err = 0;
2264
2265         if (tx_queues) {
2266                 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2267                 if (err) {
2268                         netdev_err(netdev, "failed to set %d Tx queues\n",
2269                                    tx_queues);
2270                         return err;
2271                 }
2272         }
2273
2274         if (rx_queues) {
2275                 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2276                 if (err)
2277                         netdev_err(netdev, "failed to set %d Rx queues\n",
2278                                    rx_queues);
2279         }
2280
2281         return err;
2282 }
2283
2284 int
2285 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2286                     int pci_using_dac)
2287 {
2288         int err;
2289         struct pci_dev *pdev = adapter->pdev;
2290
2291         adapter->rx_csum = 1;
2292         adapter->ahw->mc_enabled = 0;
2293         qlcnic_set_mac_filter_count(adapter);
2294
2295         netdev->netdev_ops         = &qlcnic_netdev_ops;
2296         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2297
2298         qlcnic_change_mtu(netdev, netdev->mtu);
2299
2300         netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2301                 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2302
2303         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2304                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2305                              NETIF_F_HW_VLAN_CTAG_RX);
2306         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2307                                   NETIF_F_IPV6_CSUM);
2308
2309         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2310                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2311                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2312         }
2313
2314         if (pci_using_dac) {
2315                 netdev->features |= NETIF_F_HIGHDMA;
2316                 netdev->vlan_features |= NETIF_F_HIGHDMA;
2317         }
2318
2319         if (qlcnic_vlan_tx_check(adapter))
2320                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2321
2322         if (qlcnic_sriov_vf_check(adapter))
2323                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2324
2325         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2326                 netdev->features |= NETIF_F_LRO;
2327
2328         if (qlcnic_encap_tx_offload(adapter)) {
2329                 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2330
2331                 /* encapsulation Tx offload supported by Adapter */
2332                 netdev->hw_enc_features = NETIF_F_IP_CSUM        |
2333                                           NETIF_F_GSO_UDP_TUNNEL |
2334                                           NETIF_F_TSO            |
2335                                           NETIF_F_TSO6;
2336         }
2337
2338         if (qlcnic_encap_rx_offload(adapter))
2339                 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2340
2341         netdev->hw_features = netdev->features;
2342         netdev->priv_flags |= IFF_UNICAST_FLT;
2343         netdev->irq = adapter->msix_entries[0].vector;
2344
2345         err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2346                                          adapter->drv_sds_rings);
2347         if (err)
2348                 return err;
2349
2350         qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2351
2352         err = register_netdev(netdev);
2353         if (err) {
2354                 dev_err(&pdev->dev, "failed to register net device\n");
2355                 return err;
2356         }
2357
2358         return 0;
2359 }
2360
2361 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2362 {
2363         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2364                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2365                 *pci_using_dac = 1;
2366         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2367                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2368                 *pci_using_dac = 0;
2369         else {
2370                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2371                 return -EIO;
2372         }
2373
2374         return 0;
2375 }
2376
2377 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2378 {
2379         int ring;
2380         struct qlcnic_host_tx_ring *tx_ring;
2381
2382         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2383                 tx_ring = &adapter->tx_ring[ring];
2384                 if (tx_ring) {
2385                         vfree(tx_ring->cmd_buf_arr);
2386                         tx_ring->cmd_buf_arr = NULL;
2387                 }
2388         }
2389         kfree(adapter->tx_ring);
2390 }
2391
2392 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2393                           struct net_device *netdev)
2394 {
2395         int ring, vector, index;
2396         struct qlcnic_host_tx_ring *tx_ring;
2397         struct qlcnic_cmd_buffer *cmd_buf_arr;
2398
2399         tx_ring = kcalloc(adapter->drv_tx_rings,
2400                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2401         if (tx_ring == NULL)
2402                 return -ENOMEM;
2403
2404         adapter->tx_ring = tx_ring;
2405
2406         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2407                 tx_ring = &adapter->tx_ring[ring];
2408                 tx_ring->num_desc = adapter->num_txd;
2409                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2410                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2411                 if (cmd_buf_arr == NULL) {
2412                         qlcnic_free_tx_rings(adapter);
2413                         return -ENOMEM;
2414                 }
2415                 tx_ring->cmd_buf_arr = cmd_buf_arr;
2416                 spin_lock_init(&tx_ring->tx_clean_lock);
2417         }
2418
2419         if (qlcnic_83xx_check(adapter) ||
2420             (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2421                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2422                         tx_ring = &adapter->tx_ring[ring];
2423                         tx_ring->adapter = adapter;
2424                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2425                                 index = adapter->drv_sds_rings + ring;
2426                                 vector = adapter->msix_entries[index].vector;
2427                                 tx_ring->irq = vector;
2428                         }
2429                 }
2430         }
2431
2432         return 0;
2433 }
2434
2435 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2436 {
2437         struct qlcnic_hardware_context *ahw = adapter->ahw;
2438         u32 fw_cmd = 0;
2439
2440         if (qlcnic_82xx_check(adapter))
2441                 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2442         else if (qlcnic_83xx_check(adapter))
2443                 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2444
2445         if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2446                 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2447 }
2448
2449 /* Reset firmware API lock */
2450 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2451 {
2452         qlcnic_api_lock(adapter);
2453         qlcnic_api_unlock(adapter);
2454 }
2455
2456
2457 static int
2458 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2459 {
2460         struct net_device *netdev = NULL;
2461         struct qlcnic_adapter *adapter = NULL;
2462         struct qlcnic_hardware_context *ahw;
2463         int err, pci_using_dac = -1;
2464         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2465
2466         err = pci_enable_device(pdev);
2467         if (err)
2468                 return err;
2469
2470         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2471                 err = -ENODEV;
2472                 goto err_out_disable_pdev;
2473         }
2474
2475         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2476         if (err)
2477                 goto err_out_disable_pdev;
2478
2479         err = pci_request_regions(pdev, qlcnic_driver_name);
2480         if (err)
2481                 goto err_out_disable_pdev;
2482
2483         pci_set_master(pdev);
2484         pci_enable_pcie_error_reporting(pdev);
2485
2486         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2487         if (!ahw) {
2488                 err = -ENOMEM;
2489                 goto err_out_free_res;
2490         }
2491
2492         switch (ent->device) {
2493         case PCI_DEVICE_ID_QLOGIC_QLE824X:
2494                 ahw->hw_ops = &qlcnic_hw_ops;
2495                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2496                 break;
2497         case PCI_DEVICE_ID_QLOGIC_QLE834X:
2498         case PCI_DEVICE_ID_QLOGIC_QLE8830:
2499         case PCI_DEVICE_ID_QLOGIC_QLE844X:
2500                 qlcnic_83xx_register_map(ahw);
2501                 break;
2502         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2503         case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2504         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2505                 qlcnic_sriov_vf_register_map(ahw);
2506                 break;
2507         default:
2508                 goto err_out_free_hw_res;
2509         }
2510
2511         err = qlcnic_setup_pci_map(pdev, ahw);
2512         if (err)
2513                 goto err_out_free_hw_res;
2514
2515         netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2516                                    QLCNIC_MAX_TX_RINGS);
2517         if (!netdev) {
2518                 err = -ENOMEM;
2519                 goto err_out_iounmap;
2520         }
2521
2522         SET_NETDEV_DEV(netdev, &pdev->dev);
2523
2524         adapter = netdev_priv(netdev);
2525         adapter->netdev  = netdev;
2526         adapter->pdev    = pdev;
2527         adapter->ahw = ahw;
2528
2529         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2530         if (adapter->qlcnic_wq == NULL) {
2531                 err = -ENOMEM;
2532                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2533                 goto err_out_free_netdev;
2534         }
2535
2536         err = qlcnic_alloc_adapter_resources(adapter);
2537         if (err)
2538                 goto err_out_free_wq;
2539
2540         adapter->dev_rst_time = jiffies;
2541         ahw->revision_id = pdev->revision;
2542         ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2543         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2544                 adapter->fdb_mac_learn = true;
2545         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2546                 adapter->drv_mac_learn = true;
2547
2548         rwlock_init(&adapter->ahw->crb_lock);
2549         mutex_init(&adapter->ahw->mem_lock);
2550
2551         INIT_LIST_HEAD(&adapter->mac_list);
2552
2553         qlcnic_register_dcb(adapter);
2554
2555         if (qlcnic_82xx_check(adapter)) {
2556                 qlcnic_check_vf(adapter, ent);
2557                 adapter->portnum = adapter->ahw->pci_func;
2558                 qlcnic_reset_api_lock(adapter);
2559                 err = qlcnic_start_firmware(adapter);
2560                 if (err) {
2561                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2562                                 "\t\tIf reboot doesn't help, try flashing the card\n");
2563                         goto err_out_maintenance_mode;
2564                 }
2565
2566                 /* compute and set default and max tx/sds rings */
2567                 if (adapter->ahw->msix_supported) {
2568                         if (qlcnic_check_multi_tx_capability(adapter) == 1)
2569                                 qlcnic_set_tx_ring_count(adapter,
2570                                                          QLCNIC_SINGLE_RING);
2571                         else
2572                                 qlcnic_set_tx_ring_count(adapter,
2573                                                          QLCNIC_DEF_TX_RINGS);
2574                         qlcnic_set_sds_ring_count(adapter,
2575                                                   QLCNIC_DEF_SDS_RINGS);
2576                 } else {
2577                         qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2578                         qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2579                 }
2580
2581                 err = qlcnic_setup_idc_param(adapter);
2582                 if (err)
2583                         goto err_out_free_hw;
2584
2585                 adapter->flags |= QLCNIC_NEED_FLR;
2586
2587         } else if (qlcnic_83xx_check(adapter)) {
2588                 qlcnic_83xx_check_vf(adapter, ent);
2589                 adapter->portnum = adapter->ahw->pci_func;
2590                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2591                 if (err) {
2592                         switch (err) {
2593                         case -ENOTRECOVERABLE:
2594                                 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2595                                 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2596                                 goto err_out_free_hw;
2597                         case -ENOMEM:
2598                                 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2599                                 goto err_out_free_hw;
2600                         case -EOPNOTSUPP:
2601                                 dev_err(&pdev->dev, "Adapter initialization failed\n");
2602                                 goto err_out_free_hw;
2603                         default:
2604                                 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2605                                 goto err_out_maintenance_mode;
2606                         }
2607                 }
2608
2609                 if (qlcnic_sriov_vf_check(adapter))
2610                         return 0;
2611         } else {
2612                 dev_err(&pdev->dev,
2613                         "%s: failed. Please Reboot\n", __func__);
2614                 err = -ENODEV;
2615                 goto err_out_free_hw;
2616         }
2617
2618         if (qlcnic_read_mac_addr(adapter))
2619                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2620
2621         qlcnic_read_phys_port_id(adapter);
2622
2623         if (adapter->portnum == 0) {
2624                 qlcnic_get_board_name(adapter, board_name);
2625
2626                 pr_info("%s: %s Board Chip rev 0x%x\n",
2627                         module_name(THIS_MODULE),
2628                         board_name, adapter->ahw->revision_id);
2629         }
2630
2631         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2632             !!qlcnic_use_msi)
2633                 dev_warn(&pdev->dev,
2634                          "Device does not support MSI interrupts\n");
2635
2636         if (qlcnic_82xx_check(adapter)) {
2637                 qlcnic_dcb_enable(adapter->dcb);
2638                 qlcnic_dcb_get_info(adapter->dcb);
2639                 err = qlcnic_setup_intr(adapter);
2640
2641                 if (err) {
2642                         dev_err(&pdev->dev, "Failed to setup interrupt\n");
2643                         goto err_out_disable_msi;
2644                 }
2645         }
2646
2647         err = qlcnic_get_act_pci_func(adapter);
2648         if (err)
2649                 goto err_out_disable_mbx_intr;
2650
2651         if (adapter->portnum == 0)
2652                 qlcnic_set_drv_version(adapter);
2653
2654         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2655         if (err)
2656                 goto err_out_disable_mbx_intr;
2657
2658         pci_set_drvdata(pdev, adapter);
2659
2660         if (qlcnic_82xx_check(adapter))
2661                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2662                                      FW_POLL_DELAY);
2663
2664         switch (adapter->ahw->port_type) {
2665         case QLCNIC_GBE:
2666                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2667                                 adapter->netdev->name);
2668                 break;
2669         case QLCNIC_XGBE:
2670                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2671                                 adapter->netdev->name);
2672                 break;
2673         }
2674
2675         if (adapter->drv_mac_learn)
2676                 qlcnic_alloc_lb_filters_mem(adapter);
2677
2678         qlcnic_add_sysfs(adapter);
2679         qlcnic_register_hwmon_dev(adapter);
2680         return 0;
2681
2682 err_out_disable_mbx_intr:
2683         if (qlcnic_83xx_check(adapter))
2684                 qlcnic_83xx_free_mbx_intr(adapter);
2685
2686 err_out_disable_msi:
2687         qlcnic_teardown_intr(adapter);
2688         qlcnic_cancel_idc_work(adapter);
2689         qlcnic_clr_all_drv_state(adapter, 0);
2690
2691 err_out_free_hw:
2692         qlcnic_free_adapter_resources(adapter);
2693
2694 err_out_free_wq:
2695         destroy_workqueue(adapter->qlcnic_wq);
2696
2697 err_out_free_netdev:
2698         free_netdev(netdev);
2699
2700 err_out_iounmap:
2701         qlcnic_cleanup_pci_map(ahw);
2702
2703 err_out_free_hw_res:
2704         kfree(ahw);
2705
2706 err_out_free_res:
2707         pci_release_regions(pdev);
2708
2709 err_out_disable_pdev:
2710         pci_disable_device(pdev);
2711         return err;
2712
2713 err_out_maintenance_mode:
2714         set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2715         netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2716         netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2717         ahw->port_type = QLCNIC_XGBE;
2718
2719         if (qlcnic_83xx_check(adapter))
2720                 adapter->tgt_status_reg = NULL;
2721         else
2722                 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2723
2724         err = register_netdev(netdev);
2725
2726         if (err) {
2727                 dev_err(&pdev->dev, "Failed to register net device\n");
2728                 qlcnic_clr_all_drv_state(adapter, 0);
2729                 goto err_out_free_hw;
2730         }
2731
2732         pci_set_drvdata(pdev, adapter);
2733         qlcnic_add_sysfs(adapter);
2734
2735         return 0;
2736 }
2737
2738 static void qlcnic_remove(struct pci_dev *pdev)
2739 {
2740         struct qlcnic_adapter *adapter;
2741         struct net_device *netdev;
2742         struct qlcnic_hardware_context *ahw;
2743
2744         adapter = pci_get_drvdata(pdev);
2745         if (adapter == NULL)
2746                 return;
2747
2748         netdev = adapter->netdev;
2749
2750         qlcnic_cancel_idc_work(adapter);
2751         qlcnic_sriov_pf_disable(adapter);
2752         ahw = adapter->ahw;
2753
2754         unregister_netdev(netdev);
2755         qlcnic_sriov_cleanup(adapter);
2756
2757         if (qlcnic_83xx_check(adapter)) {
2758                 qlcnic_83xx_initialize_nic(adapter, 0);
2759                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2760                 qlcnic_83xx_free_mbx_intr(adapter);
2761                 qlcnic_83xx_detach_mailbox_work(adapter);
2762                 qlcnic_83xx_free_mailbox(ahw->mailbox);
2763                 kfree(ahw->fw_info);
2764         }
2765
2766         qlcnic_dcb_free(adapter->dcb);
2767         qlcnic_detach(adapter);
2768         kfree(adapter->npars);
2769         kfree(adapter->eswitch);
2770
2771         if (qlcnic_82xx_check(adapter))
2772                 qlcnic_clr_all_drv_state(adapter, 0);
2773
2774         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2775
2776         qlcnic_free_lb_filters_mem(adapter);
2777
2778         qlcnic_teardown_intr(adapter);
2779
2780         qlcnic_remove_sysfs(adapter);
2781
2782         qlcnic_unregister_hwmon_dev(adapter);
2783
2784         qlcnic_cleanup_pci_map(adapter->ahw);
2785
2786         qlcnic_release_firmware(adapter);
2787
2788         pci_disable_pcie_error_reporting(pdev);
2789         pci_release_regions(pdev);
2790         pci_disable_device(pdev);
2791
2792         if (adapter->qlcnic_wq) {
2793                 destroy_workqueue(adapter->qlcnic_wq);
2794                 adapter->qlcnic_wq = NULL;
2795         }
2796
2797         qlcnic_free_adapter_resources(adapter);
2798         kfree(ahw);
2799         free_netdev(netdev);
2800 }
2801
2802 static void qlcnic_shutdown(struct pci_dev *pdev)
2803 {
2804         if (__qlcnic_shutdown(pdev))
2805                 return;
2806
2807         pci_disable_device(pdev);
2808 }
2809
2810 #ifdef CONFIG_PM
2811 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2812 {
2813         int retval;
2814
2815         retval = __qlcnic_shutdown(pdev);
2816         if (retval)
2817                 return retval;
2818
2819         pci_set_power_state(pdev, pci_choose_state(pdev, state));
2820         return 0;
2821 }
2822
2823 static int qlcnic_resume(struct pci_dev *pdev)
2824 {
2825         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2826         int err;
2827
2828         err = pci_enable_device(pdev);
2829         if (err)
2830                 return err;
2831
2832         pci_set_power_state(pdev, PCI_D0);
2833         pci_set_master(pdev);
2834         pci_restore_state(pdev);
2835
2836         return  __qlcnic_resume(adapter);
2837 }
2838 #endif
2839
2840 static int qlcnic_open(struct net_device *netdev)
2841 {
2842         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2843         int err;
2844
2845         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2846                 netdev_err(netdev, "%s: Device is in non-operational state\n",
2847                            __func__);
2848
2849                 return -EIO;
2850         }
2851
2852         netif_carrier_off(netdev);
2853
2854         err = qlcnic_attach(adapter);
2855         if (err)
2856                 return err;
2857
2858         err = __qlcnic_up(adapter, netdev);
2859         if (err)
2860                 qlcnic_detach(adapter);
2861
2862         return err;
2863 }
2864
2865 /*
2866  * qlcnic_close - Disables a network interface entry point
2867  */
2868 static int qlcnic_close(struct net_device *netdev)
2869 {
2870         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2871
2872         __qlcnic_down(adapter, netdev);
2873
2874         return 0;
2875 }
2876
2877 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2878
2879 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2880 {
2881         void *head;
2882         int i;
2883         struct net_device *netdev = adapter->netdev;
2884         u32 filter_size = 0;
2885         u16 act_pci_func = 0;
2886
2887         if (adapter->fhash.fmax && adapter->fhash.fhead)
2888                 return;
2889
2890         act_pci_func = adapter->ahw->total_nic_func;
2891         spin_lock_init(&adapter->mac_learn_lock);
2892         spin_lock_init(&adapter->rx_mac_learn_lock);
2893
2894         if (qlcnic_sriov_vf_check(adapter)) {
2895                 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2896                 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2897         } else if (qlcnic_82xx_check(adapter)) {
2898                 filter_size = QLCNIC_LB_MAX_FILTERS;
2899                 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2900         } else {
2901                 filter_size = QLC_83XX_LB_MAX_FILTERS;
2902                 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2903         }
2904
2905         head = kcalloc(adapter->fhash.fbucket_size,
2906                        sizeof(struct hlist_head), GFP_ATOMIC);
2907
2908         if (!head)
2909                 return;
2910
2911         adapter->fhash.fmax = (filter_size / act_pci_func);
2912         adapter->fhash.fhead = head;
2913
2914         netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2915                     act_pci_func, adapter->fhash.fmax);
2916
2917         for (i = 0; i < adapter->fhash.fbucket_size; i++)
2918                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2919
2920         adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2921
2922         head = kcalloc(adapter->rx_fhash.fbucket_size,
2923                        sizeof(struct hlist_head), GFP_ATOMIC);
2924
2925         if (!head)
2926                 return;
2927
2928         adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2929         adapter->rx_fhash.fhead = head;
2930
2931         for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2932                 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2933 }
2934
2935 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2936 {
2937         if (adapter->fhash.fmax)
2938                 kfree(adapter->fhash.fhead);
2939
2940         adapter->fhash.fhead = NULL;
2941         adapter->fhash.fmax = 0;
2942
2943         if (adapter->rx_fhash.fmax)
2944                 kfree(adapter->rx_fhash.fhead);
2945
2946         adapter->rx_fhash.fmax = 0;
2947         adapter->rx_fhash.fhead = NULL;
2948 }
2949
2950 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2951 {
2952         struct net_device *netdev = adapter->netdev;
2953         u32 temp_state, temp_val, temp = 0;
2954         int rv = 0;
2955
2956         if (qlcnic_83xx_check(adapter))
2957                 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2958
2959         if (qlcnic_82xx_check(adapter))
2960                 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2961
2962         temp_state = qlcnic_get_temp_state(temp);
2963         temp_val = qlcnic_get_temp_val(temp);
2964
2965         if (temp_state == QLCNIC_TEMP_PANIC) {
2966                 dev_err(&netdev->dev,
2967                        "Device temperature %d degrees C exceeds"
2968                        " maximum allowed. Hardware has been shut down.\n",
2969                        temp_val);
2970                 rv = 1;
2971         } else if (temp_state == QLCNIC_TEMP_WARN) {
2972                 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2973                         dev_err(&netdev->dev,
2974                                "Device temperature %d degrees C "
2975                                "exceeds operating range."
2976                                " Immediate action needed.\n",
2977                                temp_val);
2978                 }
2979         } else {
2980                 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2981                         dev_info(&netdev->dev,
2982                                "Device temperature is now %d degrees C"
2983                                " in normal range.\n", temp_val);
2984                 }
2985         }
2986         adapter->ahw->temp = temp_state;
2987         return rv;
2988 }
2989
2990 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2991 {
2992         int i;
2993         struct cmd_desc_type0 *tx_desc_info;
2994
2995         for (i = 0; i < tx_ring->num_desc; i++) {
2996                 tx_desc_info = &tx_ring->desc_head[i];
2997                 pr_info("TX Desc: %d\n", i);
2998                 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2999                                &tx_ring->desc_head[i],
3000                                sizeof(struct cmd_desc_type0), true);
3001         }
3002 }
3003
3004 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
3005 {
3006         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
3007         struct net_device *netdev = adapter->netdev;
3008         struct qlcnic_host_rds_ring *rds_ring;
3009         struct qlcnic_host_sds_ring *sds_ring;
3010         struct qlcnic_host_tx_ring *tx_ring;
3011         int ring;
3012
3013         if (!netdev || !netif_running(netdev))
3014                 return;
3015
3016         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3017                 rds_ring = &recv_ctx->rds_rings[ring];
3018                 if (!rds_ring)
3019                         continue;
3020                 netdev_info(netdev,
3021                             "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3022                              ring, readl(rds_ring->crb_rcv_producer),
3023                              rds_ring->producer, rds_ring->num_desc);
3024         }
3025
3026         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3027                 sds_ring = &(recv_ctx->sds_rings[ring]);
3028                 if (!sds_ring)
3029                         continue;
3030                 netdev_info(netdev,
3031                             "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3032                             ring, readl(sds_ring->crb_sts_consumer),
3033                             sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3034                             sds_ring->num_desc);
3035         }
3036
3037         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3038                 tx_ring = &adapter->tx_ring[ring];
3039                 if (!tx_ring)
3040                         continue;
3041                 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3042                             ring, tx_ring->ctx_id);
3043                 netdev_info(netdev,
3044                             "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3045                             tx_ring->tx_stats.xmit_finished,
3046                             tx_ring->tx_stats.xmit_called,
3047                             tx_ring->tx_stats.xmit_on,
3048                             tx_ring->tx_stats.xmit_off);
3049
3050                 if (tx_ring->crb_intr_mask)
3051                         netdev_info(netdev, "crb_intr_mask=%d\n",
3052                                     readl(tx_ring->crb_intr_mask));
3053
3054                 netdev_info(netdev,
3055                             "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3056                             readl(tx_ring->crb_cmd_producer),
3057                             tx_ring->producer, tx_ring->sw_consumer,
3058                             le32_to_cpu(*(tx_ring->hw_consumer)));
3059
3060                 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3061                             tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3062
3063                 if (netif_msg_tx_err(adapter->ahw))
3064                         dump_tx_ring_desc(tx_ring);
3065         }
3066
3067 }
3068
3069 static void qlcnic_tx_timeout(struct net_device *netdev)
3070 {
3071         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3072
3073         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3074                 return;
3075
3076         qlcnic_dump_rings(adapter);
3077
3078         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3079             netif_msg_tx_err(adapter->ahw)) {
3080                 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3081                 if (qlcnic_82xx_check(adapter))
3082                         adapter->need_fw_reset = 1;
3083                 else if (qlcnic_83xx_check(adapter))
3084                         qlcnic_83xx_idc_request_reset(adapter,
3085                                                       QLCNIC_FORCE_FW_DUMP_KEY);
3086         } else {
3087                 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3088                 adapter->ahw->reset_context = 1;
3089         }
3090 }
3091
3092 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3093 {
3094         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3095         struct net_device_stats *stats = &netdev->stats;
3096
3097         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3098                 qlcnic_update_stats(adapter);
3099
3100         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3101         stats->tx_packets = adapter->stats.xmitfinished;
3102         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3103         stats->tx_bytes = adapter->stats.txbytes;
3104         stats->rx_dropped = adapter->stats.rxdropped;
3105         stats->tx_dropped = adapter->stats.txdropped;
3106
3107         return stats;
3108 }
3109
3110 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3111 {
3112         u32 status;
3113
3114         status = readl(adapter->isr_int_vec);
3115
3116         if (!(status & adapter->ahw->int_vec_bit))
3117                 return IRQ_NONE;
3118
3119         /* check interrupt state machine, to be sure */
3120         status = readl(adapter->crb_int_state_reg);
3121         if (!ISR_LEGACY_INT_TRIGGERED(status))
3122                 return IRQ_NONE;
3123
3124         writel(0xffffffff, adapter->tgt_status_reg);
3125         /* read twice to ensure write is flushed */
3126         readl(adapter->isr_int_vec);
3127         readl(adapter->isr_int_vec);
3128
3129         return IRQ_HANDLED;
3130 }
3131
3132 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3133 {
3134         struct qlcnic_host_sds_ring *sds_ring = data;
3135         struct qlcnic_adapter *adapter = sds_ring->adapter;
3136
3137         if (adapter->flags & QLCNIC_MSIX_ENABLED)
3138                 goto done;
3139         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3140                 writel(0xffffffff, adapter->tgt_status_reg);
3141                 goto done;
3142         }
3143
3144         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3145                 return IRQ_NONE;
3146
3147 done:
3148         adapter->ahw->diag_cnt++;
3149         qlcnic_enable_sds_intr(adapter, sds_ring);
3150         return IRQ_HANDLED;
3151 }
3152
3153 static irqreturn_t qlcnic_intr(int irq, void *data)
3154 {
3155         struct qlcnic_host_sds_ring *sds_ring = data;
3156         struct qlcnic_adapter *adapter = sds_ring->adapter;
3157
3158         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3159                 return IRQ_NONE;
3160
3161         napi_schedule(&sds_ring->napi);
3162
3163         return IRQ_HANDLED;
3164 }
3165
3166 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3167 {
3168         struct qlcnic_host_sds_ring *sds_ring = data;
3169         struct qlcnic_adapter *adapter = sds_ring->adapter;
3170
3171         /* clear interrupt */
3172         writel(0xffffffff, adapter->tgt_status_reg);
3173
3174         napi_schedule(&sds_ring->napi);
3175         return IRQ_HANDLED;
3176 }
3177
3178 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3179 {
3180         struct qlcnic_host_sds_ring *sds_ring = data;
3181
3182         napi_schedule(&sds_ring->napi);
3183         return IRQ_HANDLED;
3184 }
3185
3186 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3187 {
3188         struct qlcnic_host_tx_ring *tx_ring = data;
3189
3190         napi_schedule(&tx_ring->napi);
3191         return IRQ_HANDLED;
3192 }
3193
3194 #ifdef CONFIG_NET_POLL_CONTROLLER
3195 static void qlcnic_poll_controller(struct net_device *netdev)
3196 {
3197         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3198         struct qlcnic_host_sds_ring *sds_ring;
3199         struct qlcnic_recv_context *recv_ctx;
3200         struct qlcnic_host_tx_ring *tx_ring;
3201         int ring;
3202
3203         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3204                 return;
3205
3206         recv_ctx = adapter->recv_ctx;
3207
3208         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3209                 sds_ring = &recv_ctx->sds_rings[ring];
3210                 qlcnic_disable_sds_intr(adapter, sds_ring);
3211                 napi_schedule(&sds_ring->napi);
3212         }
3213
3214         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3215                 /* Only Multi-Tx queue capable devices need to
3216                  * schedule NAPI for TX rings
3217                  */
3218                 if ((qlcnic_83xx_check(adapter) &&
3219                      (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3220                     (qlcnic_82xx_check(adapter) &&
3221                      !qlcnic_check_multi_tx(adapter)))
3222                         return;
3223
3224                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3225                         tx_ring = &adapter->tx_ring[ring];
3226                         qlcnic_disable_tx_intr(adapter, tx_ring);
3227                         napi_schedule(&tx_ring->napi);
3228                 }
3229         }
3230 }
3231 #endif
3232
3233 static void
3234 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3235 {
3236         u32 val;
3237
3238         val = adapter->portnum & 0xf;
3239         val |= encoding << 7;
3240         val |= (jiffies - adapter->dev_rst_time) << 8;
3241
3242         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3243         adapter->dev_rst_time = jiffies;
3244 }
3245
3246 static int
3247 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3248 {
3249         u32  val;
3250
3251         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3252                         state != QLCNIC_DEV_NEED_QUISCENT);
3253
3254         if (qlcnic_api_lock(adapter))
3255                 return -EIO;
3256
3257         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3258
3259         if (state == QLCNIC_DEV_NEED_RESET)
3260                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3261         else if (state == QLCNIC_DEV_NEED_QUISCENT)
3262                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3263
3264         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3265
3266         qlcnic_api_unlock(adapter);
3267
3268         return 0;
3269 }
3270
3271 static int
3272 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3273 {
3274         u32  val;
3275
3276         if (qlcnic_api_lock(adapter))
3277                 return -EBUSY;
3278
3279         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3280         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3281         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3282
3283         qlcnic_api_unlock(adapter);
3284
3285         return 0;
3286 }
3287
3288 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3289 {
3290         u32  val;
3291
3292         if (qlcnic_api_lock(adapter))
3293                 goto err;
3294
3295         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3296         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3297         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3298
3299         if (failed) {
3300                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3301                                     QLCNIC_DEV_FAILED);
3302                 dev_info(&adapter->pdev->dev,
3303                                 "Device state set to Failed. Please Reboot\n");
3304         } else if (!(val & 0x11111111))
3305                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3306                                     QLCNIC_DEV_COLD);
3307
3308         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3309         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3310         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3311
3312         qlcnic_api_unlock(adapter);
3313 err:
3314         adapter->fw_fail_cnt = 0;
3315         adapter->flags &= ~QLCNIC_FW_HANG;
3316         clear_bit(__QLCNIC_START_FW, &adapter->state);
3317         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3318 }
3319
3320 /* Grab api lock, before checking state */
3321 static int
3322 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3323 {
3324         int act, state, active_mask;
3325         struct qlcnic_hardware_context *ahw = adapter->ahw;
3326
3327         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3328         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3329
3330         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3331                 active_mask = (~(1 << (ahw->pci_func * 4)));
3332                 act = act & active_mask;
3333         }
3334
3335         if (((state & 0x11111111) == (act & 0x11111111)) ||
3336                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3337                 return 0;
3338         else
3339                 return 1;
3340 }
3341
3342 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3343 {
3344         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3345
3346         if (val != QLCNIC_DRV_IDC_VER) {
3347                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3348                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3349         }
3350
3351         return 0;
3352 }
3353
3354 static int
3355 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3356 {
3357         u32 val, prev_state;
3358         u8 dev_init_timeo = adapter->dev_init_timeo;
3359         u8 portnum = adapter->portnum;
3360         u8 ret;
3361
3362         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3363                 return 1;
3364
3365         if (qlcnic_api_lock(adapter))
3366                 return -1;
3367
3368         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3369         if (!(val & (1 << (portnum * 4)))) {
3370                 QLC_DEV_SET_REF_CNT(val, portnum);
3371                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3372         }
3373
3374         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3375         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3376
3377         switch (prev_state) {
3378         case QLCNIC_DEV_COLD:
3379                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3380                                     QLCNIC_DEV_INITIALIZING);
3381                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3382                                     QLCNIC_DRV_IDC_VER);
3383                 qlcnic_idc_debug_info(adapter, 0);
3384                 qlcnic_api_unlock(adapter);
3385                 return 1;
3386
3387         case QLCNIC_DEV_READY:
3388                 ret = qlcnic_check_idc_ver(adapter);
3389                 qlcnic_api_unlock(adapter);
3390                 return ret;
3391
3392         case QLCNIC_DEV_NEED_RESET:
3393                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3394                 QLC_DEV_SET_RST_RDY(val, portnum);
3395                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3396                 break;
3397
3398         case QLCNIC_DEV_NEED_QUISCENT:
3399                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3400                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3401                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3402                 break;
3403
3404         case QLCNIC_DEV_FAILED:
3405                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3406                 qlcnic_api_unlock(adapter);
3407                 return -1;
3408
3409         case QLCNIC_DEV_INITIALIZING:
3410         case QLCNIC_DEV_QUISCENT:
3411                 break;
3412         }
3413
3414         qlcnic_api_unlock(adapter);
3415
3416         do {
3417                 msleep(1000);
3418                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3419
3420                 if (prev_state == QLCNIC_DEV_QUISCENT)
3421                         continue;
3422         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3423
3424         if (!dev_init_timeo) {
3425                 dev_err(&adapter->pdev->dev,
3426                         "Waiting for device to initialize timeout\n");
3427                 return -1;
3428         }
3429
3430         if (qlcnic_api_lock(adapter))
3431                 return -1;
3432
3433         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3434         QLC_DEV_CLR_RST_QSCNT(val, portnum);
3435         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3436
3437         ret = qlcnic_check_idc_ver(adapter);
3438         qlcnic_api_unlock(adapter);
3439
3440         return ret;
3441 }
3442
3443 static void
3444 qlcnic_fwinit_work(struct work_struct *work)
3445 {
3446         struct qlcnic_adapter *adapter = container_of(work,
3447                         struct qlcnic_adapter, fw_work.work);
3448         u32 dev_state = 0xf;
3449         u32 val;
3450
3451         if (qlcnic_api_lock(adapter))
3452                 goto err_ret;
3453
3454         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3455         if (dev_state == QLCNIC_DEV_QUISCENT ||
3456             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3457                 qlcnic_api_unlock(adapter);
3458                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3459                                                 FW_POLL_DELAY * 2);
3460                 return;
3461         }
3462
3463         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3464                 qlcnic_api_unlock(adapter);
3465                 goto wait_npar;
3466         }
3467
3468         if (dev_state == QLCNIC_DEV_INITIALIZING ||
3469             dev_state == QLCNIC_DEV_READY) {
3470                 dev_info(&adapter->pdev->dev, "Detected state change from "
3471                                 "DEV_NEED_RESET, skipping ack check\n");
3472                 goto skip_ack_check;
3473         }
3474
3475         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3476                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3477                                         adapter->reset_ack_timeo);
3478                 goto skip_ack_check;
3479         }
3480
3481         if (!qlcnic_check_drv_state(adapter)) {
3482 skip_ack_check:
3483                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3484
3485                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3486                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3487                                             QLCNIC_DEV_INITIALIZING);
3488                         set_bit(__QLCNIC_START_FW, &adapter->state);
3489                         QLCDB(adapter, DRV, "Restarting fw\n");
3490                         qlcnic_idc_debug_info(adapter, 0);
3491                         val = QLC_SHARED_REG_RD32(adapter,
3492                                                   QLCNIC_CRB_DRV_STATE);
3493                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3494                         QLC_SHARED_REG_WR32(adapter,
3495                                             QLCNIC_CRB_DRV_STATE, val);
3496                 }
3497
3498                 qlcnic_api_unlock(adapter);
3499
3500                 rtnl_lock();
3501                 if (qlcnic_check_fw_dump_state(adapter) &&
3502                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3503                         QLCDB(adapter, DRV, "Take FW dump\n");
3504                         qlcnic_dump_fw(adapter);
3505                         adapter->flags |= QLCNIC_FW_HANG;
3506                 }
3507                 rtnl_unlock();
3508
3509                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3510                 if (!adapter->nic_ops->start_firmware(adapter)) {
3511                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3512                         adapter->fw_wait_cnt = 0;
3513                         return;
3514                 }
3515                 goto err_ret;
3516         }
3517
3518         qlcnic_api_unlock(adapter);
3519
3520 wait_npar:
3521         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3522         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3523
3524         switch (dev_state) {
3525         case QLCNIC_DEV_READY:
3526                 if (!qlcnic_start_firmware(adapter)) {
3527                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3528                         adapter->fw_wait_cnt = 0;
3529                         return;
3530                 }
3531         case QLCNIC_DEV_FAILED:
3532                 break;
3533         default:
3534                 qlcnic_schedule_work(adapter,
3535                         qlcnic_fwinit_work, FW_POLL_DELAY);
3536                 return;
3537         }
3538
3539 err_ret:
3540         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3541                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3542         netif_device_attach(adapter->netdev);
3543         qlcnic_clr_all_drv_state(adapter, 0);
3544 }
3545
3546 static void
3547 qlcnic_detach_work(struct work_struct *work)
3548 {
3549         struct qlcnic_adapter *adapter = container_of(work,
3550                         struct qlcnic_adapter, fw_work.work);
3551         struct net_device *netdev = adapter->netdev;
3552         u32 status;
3553
3554         netif_device_detach(netdev);
3555
3556         /* Dont grab rtnl lock during Quiscent mode */
3557         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3558                 if (netif_running(netdev))
3559                         __qlcnic_down(adapter, netdev);
3560         } else
3561                 qlcnic_down(adapter, netdev);
3562
3563         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3564
3565         if (status & QLCNIC_RCODE_FATAL_ERROR) {
3566                 dev_err(&adapter->pdev->dev,
3567                         "Detaching the device: peg halt status1=0x%x\n",
3568                                         status);
3569
3570                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3571                         dev_err(&adapter->pdev->dev,
3572                         "On board active cooling fan failed. "
3573                                 "Device has been halted.\n");
3574                         dev_err(&adapter->pdev->dev,
3575                                 "Replace the adapter.\n");
3576                 }
3577
3578                 goto err_ret;
3579         }
3580
3581         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3582                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3583                         adapter->ahw->temp);
3584                 goto err_ret;
3585         }
3586
3587         /* Dont ack if this instance is the reset owner */
3588         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3589                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3590                         dev_err(&adapter->pdev->dev,
3591                                 "Failed to set driver state,"
3592                                         "detaching the device.\n");
3593                         goto err_ret;
3594                 }
3595         }
3596
3597         adapter->fw_wait_cnt = 0;
3598
3599         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3600
3601         return;
3602
3603 err_ret:
3604         netif_device_attach(netdev);
3605         qlcnic_clr_all_drv_state(adapter, 1);
3606 }
3607
3608 /*Transit NPAR state to NON Operational */
3609 static void
3610 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3611 {
3612         u32 state;
3613
3614         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3615         if (state == QLCNIC_DEV_NPAR_NON_OPER)
3616                 return;
3617
3618         if (qlcnic_api_lock(adapter))
3619                 return;
3620         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3621                             QLCNIC_DEV_NPAR_NON_OPER);
3622         qlcnic_api_unlock(adapter);
3623 }
3624
3625 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3626                                           u32 key)
3627 {
3628         u32 state, xg_val = 0, gb_val = 0;
3629
3630         qlcnic_xg_set_xg0_mask(xg_val);
3631         qlcnic_xg_set_xg1_mask(xg_val);
3632         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3633         qlcnic_gb_set_gb0_mask(gb_val);
3634         qlcnic_gb_set_gb1_mask(gb_val);
3635         qlcnic_gb_set_gb2_mask(gb_val);
3636         qlcnic_gb_set_gb3_mask(gb_val);
3637         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3638         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3639                                 " on all ports\n");
3640         adapter->need_fw_reset = 1;
3641
3642         if (qlcnic_api_lock(adapter))
3643                 return;
3644
3645         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3646
3647         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3648                 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3649                            __func__);
3650                 qlcnic_api_unlock(adapter);
3651
3652                 return;
3653         }
3654
3655         if (state == QLCNIC_DEV_READY) {
3656                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3657                                     QLCNIC_DEV_NEED_RESET);
3658                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3659                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3660                 qlcnic_idc_debug_info(adapter, 0);
3661         }
3662
3663         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3664                             QLCNIC_DEV_NPAR_NON_OPER);
3665         qlcnic_api_unlock(adapter);
3666 }
3667
3668 /* Transit to NPAR READY state from NPAR NOT READY state */
3669 static void
3670 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3671 {
3672         if (qlcnic_api_lock(adapter))
3673                 return;
3674
3675         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3676                             QLCNIC_DEV_NPAR_OPER);
3677         QLCDB(adapter, DRV, "NPAR operational state set\n");
3678
3679         qlcnic_api_unlock(adapter);
3680 }
3681
3682 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3683                           work_func_t func, int delay)
3684 {
3685         if (test_bit(__QLCNIC_AER, &adapter->state))
3686                 return;
3687
3688         INIT_DELAYED_WORK(&adapter->fw_work, func);
3689         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3690                            round_jiffies_relative(delay));
3691 }
3692
3693 static void
3694 qlcnic_attach_work(struct work_struct *work)
3695 {
3696         struct qlcnic_adapter *adapter = container_of(work,
3697                                 struct qlcnic_adapter, fw_work.work);
3698         struct net_device *netdev = adapter->netdev;
3699         u32 npar_state;
3700
3701         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3702                 npar_state = QLC_SHARED_REG_RD32(adapter,
3703                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3704                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3705                         qlcnic_clr_all_drv_state(adapter, 0);
3706                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3707                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3708                                                         FW_POLL_DELAY);
3709                 else
3710                         goto attach;
3711                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3712                 return;
3713         }
3714 attach:
3715         qlcnic_dcb_get_info(adapter->dcb);
3716
3717         if (netif_running(netdev)) {
3718                 if (qlcnic_up(adapter, netdev))
3719                         goto done;
3720
3721                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3722         }
3723
3724 done:
3725         netif_device_attach(netdev);
3726         adapter->fw_fail_cnt = 0;
3727         adapter->flags &= ~QLCNIC_FW_HANG;
3728         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3729         if (adapter->portnum == 0)
3730                 qlcnic_set_drv_version(adapter);
3731
3732         if (!qlcnic_clr_drv_state(adapter))
3733                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3734                                                         FW_POLL_DELAY);
3735 }
3736
3737 static int
3738 qlcnic_check_health(struct qlcnic_adapter *adapter)
3739 {
3740         struct qlcnic_hardware_context *ahw = adapter->ahw;
3741         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3742         u32 state = 0, heartbeat;
3743         u32 peg_status;
3744         int err = 0;
3745
3746         if (qlcnic_check_temp(adapter))
3747                 goto detach;
3748
3749         if (adapter->need_fw_reset)
3750                 qlcnic_dev_request_reset(adapter, 0);
3751
3752         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3753         if (state == QLCNIC_DEV_NEED_RESET) {
3754                 qlcnic_set_npar_non_operational(adapter);
3755                 adapter->need_fw_reset = 1;
3756         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3757                 goto detach;
3758
3759         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3760         if (heartbeat != adapter->heartbeat) {
3761                 adapter->heartbeat = heartbeat;
3762                 adapter->fw_fail_cnt = 0;
3763                 if (adapter->need_fw_reset)
3764                         goto detach;
3765
3766                 if (ahw->reset_context && qlcnic_auto_fw_reset)
3767                         qlcnic_reset_hw_context(adapter);
3768
3769                 return 0;
3770         }
3771
3772         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3773                 return 0;
3774
3775         adapter->flags |= QLCNIC_FW_HANG;
3776
3777         qlcnic_dev_request_reset(adapter, 0);
3778
3779         if (qlcnic_auto_fw_reset)
3780                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3781
3782         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3783         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3784         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3785                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3786                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3787                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3788                         "PEG_NET_4_PC: 0x%x\n",
3789                         peg_status,
3790                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3791                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3792                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3793                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3794                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3795                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3796         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3797                 dev_err(&adapter->pdev->dev,
3798                         "Firmware aborted with error code 0x00006700. "
3799                                 "Device is being reset.\n");
3800 detach:
3801         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3802                 QLCNIC_DEV_NEED_RESET;
3803
3804         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3805                                                       &adapter->state)) {
3806
3807                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3808                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3809         } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3810                    adapter->flags & QLCNIC_FW_RESET_OWNER) {
3811                 qlcnic_dump_fw(adapter);
3812         }
3813
3814         return 1;
3815 }
3816
3817 void qlcnic_fw_poll_work(struct work_struct *work)
3818 {
3819         struct qlcnic_adapter *adapter = container_of(work,
3820                                 struct qlcnic_adapter, fw_work.work);
3821
3822         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3823                 goto reschedule;
3824
3825
3826         if (qlcnic_check_health(adapter))
3827                 return;
3828
3829         if (adapter->fhash.fnum)
3830                 qlcnic_prune_lb_filters(adapter);
3831
3832 reschedule:
3833         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3834 }
3835
3836 static int qlcnic_is_first_func(struct pci_dev *pdev)
3837 {
3838         struct pci_dev *oth_pdev;
3839         int val = pdev->devfn;
3840
3841         while (val-- > 0) {
3842                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3843                         (pdev->bus), pdev->bus->number,
3844                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3845                 if (!oth_pdev)
3846                         continue;
3847
3848                 if (oth_pdev->current_state != PCI_D3cold) {
3849                         pci_dev_put(oth_pdev);
3850                         return 0;
3851                 }
3852                 pci_dev_put(oth_pdev);
3853         }
3854         return 1;
3855 }
3856
3857 static int qlcnic_attach_func(struct pci_dev *pdev)
3858 {
3859         int err, first_func;
3860         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3861         struct net_device *netdev = adapter->netdev;
3862
3863         pdev->error_state = pci_channel_io_normal;
3864
3865         err = pci_enable_device(pdev);
3866         if (err)
3867                 return err;
3868
3869         pci_set_master(pdev);
3870         pci_restore_state(pdev);
3871
3872         first_func = qlcnic_is_first_func(pdev);
3873
3874         if (qlcnic_api_lock(adapter))
3875                 return -EINVAL;
3876
3877         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3878                 adapter->need_fw_reset = 1;
3879                 set_bit(__QLCNIC_START_FW, &adapter->state);
3880                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3881                                     QLCNIC_DEV_INITIALIZING);
3882                 QLCDB(adapter, DRV, "Restarting fw\n");
3883         }
3884         qlcnic_api_unlock(adapter);
3885
3886         err = qlcnic_start_firmware(adapter);
3887         if (err)
3888                 return err;
3889
3890         qlcnic_clr_drv_state(adapter);
3891         kfree(adapter->msix_entries);
3892         adapter->msix_entries = NULL;
3893         err = qlcnic_setup_intr(adapter);
3894
3895         if (err) {
3896                 kfree(adapter->msix_entries);
3897                 netdev_err(netdev, "failed to setup interrupt\n");
3898                 return err;
3899         }
3900
3901         if (netif_running(netdev)) {
3902                 err = qlcnic_attach(adapter);
3903                 if (err) {
3904                         qlcnic_clr_all_drv_state(adapter, 1);
3905                         clear_bit(__QLCNIC_AER, &adapter->state);
3906                         netif_device_attach(netdev);
3907                         return err;
3908                 }
3909
3910                 err = qlcnic_up(adapter, netdev);
3911                 if (err)
3912                         goto done;
3913
3914                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3915         }
3916  done:
3917         netif_device_attach(netdev);
3918         return err;
3919 }
3920
3921 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3922                                                       pci_channel_state_t state)
3923 {
3924         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3925         struct net_device *netdev = adapter->netdev;
3926
3927         if (state == pci_channel_io_perm_failure)
3928                 return PCI_ERS_RESULT_DISCONNECT;
3929
3930         if (state == pci_channel_io_normal)
3931                 return PCI_ERS_RESULT_RECOVERED;
3932
3933         set_bit(__QLCNIC_AER, &adapter->state);
3934         netif_device_detach(netdev);
3935
3936         cancel_delayed_work_sync(&adapter->fw_work);
3937
3938         if (netif_running(netdev))
3939                 qlcnic_down(adapter, netdev);
3940
3941         qlcnic_detach(adapter);
3942         qlcnic_teardown_intr(adapter);
3943
3944         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3945
3946         pci_save_state(pdev);
3947         pci_disable_device(pdev);
3948
3949         return PCI_ERS_RESULT_NEED_RESET;
3950 }
3951
3952 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3953 {
3954         return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3955                                 PCI_ERS_RESULT_RECOVERED;
3956 }
3957
3958 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3959 {
3960         u32 state;
3961         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3962
3963         pci_cleanup_aer_uncorrect_error_status(pdev);
3964         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3965         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3966                                                             &adapter->state))
3967                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3968                                      FW_POLL_DELAY);
3969 }
3970
3971 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3972                                                  pci_channel_state_t state)
3973 {
3974         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3975         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3976
3977         if (hw_ops->io_error_detected) {
3978                 return hw_ops->io_error_detected(pdev, state);
3979         } else {
3980                 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3981                 return PCI_ERS_RESULT_DISCONNECT;
3982         }
3983 }
3984
3985 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3986 {
3987         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3988         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3989
3990         if (hw_ops->io_slot_reset) {
3991                 return hw_ops->io_slot_reset(pdev);
3992         } else {
3993                 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3994                 return PCI_ERS_RESULT_DISCONNECT;
3995         }
3996 }
3997
3998 static void qlcnic_io_resume(struct pci_dev *pdev)
3999 {
4000         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4001         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
4002
4003         if (hw_ops->io_resume)
4004                 hw_ops->io_resume(pdev);
4005         else
4006                 dev_err(&pdev->dev, "AER resume handler not registered.\n");
4007 }
4008
4009
4010 static int
4011 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4012 {
4013         int err;
4014
4015         err = qlcnic_can_start_firmware(adapter);
4016         if (err)
4017                 return err;
4018
4019         err = qlcnic_check_npar_opertional(adapter);
4020         if (err)
4021                 return err;
4022
4023         err = qlcnic_initialize_nic(adapter);
4024         if (err)
4025                 return err;
4026
4027         qlcnic_check_options(adapter);
4028
4029         err = qlcnic_set_eswitch_port_config(adapter);
4030         if (err)
4031                 return err;
4032
4033         adapter->need_fw_reset = 0;
4034
4035         return err;
4036 }
4037
4038 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4039                           int queue_type)
4040 {
4041         struct net_device *netdev = adapter->netdev;
4042         u8 max_hw_rings = 0;
4043         char buf[8];
4044         int cur_rings;
4045
4046         if (queue_type == QLCNIC_RX_QUEUE) {
4047                 max_hw_rings = adapter->max_sds_rings;
4048                 cur_rings = adapter->drv_sds_rings;
4049                 strcpy(buf, "SDS");
4050         } else if (queue_type == QLCNIC_TX_QUEUE) {
4051                 max_hw_rings = adapter->max_tx_rings;
4052                 cur_rings = adapter->drv_tx_rings;
4053                 strcpy(buf, "Tx");
4054         }
4055
4056         if (!is_power_of_2(ring_cnt)) {
4057                 netdev_err(netdev, "%s rings value should be a power of 2\n",
4058                            buf);
4059                 return -EINVAL;
4060         }
4061
4062         if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4063             !qlcnic_check_multi_tx(adapter)) {
4064                         netdev_err(netdev, "No Multi Tx queue support\n");
4065                         return -EINVAL;
4066         }
4067
4068         if (ring_cnt > num_online_cpus()) {
4069                 netdev_err(netdev,
4070                            "%s value[%u] should not be higher than, number of online CPUs\n",
4071                            buf, num_online_cpus());
4072                 return -EINVAL;
4073         }
4074
4075         return 0;
4076 }
4077
4078 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4079 {
4080         struct net_device *netdev = adapter->netdev;
4081         u8 tx_rings, rx_rings;
4082         int err;
4083
4084         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4085                 return -EBUSY;
4086
4087         tx_rings = adapter->drv_tss_rings;
4088         rx_rings = adapter->drv_rss_rings;
4089
4090         netif_device_detach(netdev);
4091
4092         err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4093         if (err)
4094                 goto done;
4095
4096         if (netif_running(netdev))
4097                 __qlcnic_down(adapter, netdev);
4098
4099         qlcnic_detach(adapter);
4100
4101         if (qlcnic_83xx_check(adapter)) {
4102                 qlcnic_83xx_free_mbx_intr(adapter);
4103                 qlcnic_83xx_enable_mbx_poll(adapter);
4104         }
4105
4106         qlcnic_teardown_intr(adapter);
4107
4108         err = qlcnic_setup_intr(adapter);
4109         if (err) {
4110                 kfree(adapter->msix_entries);
4111                 netdev_err(netdev, "failed to setup interrupt\n");
4112                 return err;
4113         }
4114
4115         /* Check if we need to update real_num_{tx|rx}_queues because
4116          * qlcnic_setup_intr() may change Tx/Rx rings size
4117          */
4118         if ((tx_rings != adapter->drv_tx_rings) ||
4119             (rx_rings != adapter->drv_sds_rings)) {
4120                 err = qlcnic_set_real_num_queues(adapter,
4121                                                  adapter->drv_tx_rings,
4122                                                  adapter->drv_sds_rings);
4123                 if (err)
4124                         goto done;
4125         }
4126
4127         if (qlcnic_83xx_check(adapter)) {
4128                 qlcnic_83xx_initialize_nic(adapter, 1);
4129                 err = qlcnic_83xx_setup_mbx_intr(adapter);
4130                 qlcnic_83xx_disable_mbx_poll(adapter);
4131                 if (err) {
4132                         dev_err(&adapter->pdev->dev,
4133                                 "failed to setup mbx interrupt\n");
4134                         goto done;
4135                 }
4136         }
4137
4138         if (netif_running(netdev)) {
4139                 err = qlcnic_attach(adapter);
4140                 if (err)
4141                         goto done;
4142                 err = __qlcnic_up(adapter, netdev);
4143                 if (err)
4144                         goto done;
4145                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4146         }
4147 done:
4148         netif_device_attach(netdev);
4149         clear_bit(__QLCNIC_RESETTING, &adapter->state);
4150         return err;
4151 }
4152
4153 #ifdef CONFIG_INET
4154
4155 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4156
4157 static void
4158 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4159                         struct net_device *dev, unsigned long event)
4160 {
4161         struct in_device *indev;
4162
4163         indev = in_dev_get(dev);
4164         if (!indev)
4165                 return;
4166
4167         for_ifa(indev) {
4168                 switch (event) {
4169                 case NETDEV_UP:
4170                         qlcnic_config_ipaddr(adapter,
4171                                         ifa->ifa_address, QLCNIC_IP_UP);
4172                         break;
4173                 case NETDEV_DOWN:
4174                         qlcnic_config_ipaddr(adapter,
4175                                         ifa->ifa_address, QLCNIC_IP_DOWN);
4176                         break;
4177                 default:
4178                         break;
4179                 }
4180         } endfor_ifa(indev);
4181
4182         in_dev_put(indev);
4183 }
4184
4185 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4186 {
4187         struct qlcnic_adapter *adapter = netdev_priv(netdev);
4188         struct net_device *dev;
4189         u16 vid;
4190
4191         qlcnic_config_indev_addr(adapter, netdev, event);
4192
4193         rcu_read_lock();
4194         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4195                 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4196                 if (!dev)
4197                         continue;
4198                 qlcnic_config_indev_addr(adapter, dev, event);
4199         }
4200         rcu_read_unlock();
4201 }
4202
4203 static int qlcnic_netdev_event(struct notifier_block *this,
4204                                  unsigned long event, void *ptr)
4205 {
4206         struct qlcnic_adapter *adapter;
4207         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4208
4209 recheck:
4210         if (dev == NULL)
4211                 goto done;
4212
4213         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4214                 dev = vlan_dev_real_dev(dev);
4215                 goto recheck;
4216         }
4217
4218         if (!is_qlcnic_netdev(dev))
4219                 goto done;
4220
4221         adapter = netdev_priv(dev);
4222
4223         if (!adapter)
4224                 goto done;
4225
4226         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4227                 goto done;
4228
4229         qlcnic_config_indev_addr(adapter, dev, event);
4230 done:
4231         return NOTIFY_DONE;
4232 }
4233
4234 static int
4235 qlcnic_inetaddr_event(struct notifier_block *this,
4236                 unsigned long event, void *ptr)
4237 {
4238         struct qlcnic_adapter *adapter;
4239         struct net_device *dev;
4240
4241         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4242
4243         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4244
4245 recheck:
4246         if (dev == NULL)
4247                 goto done;
4248
4249         if (dev->priv_flags & IFF_802_1Q_VLAN) {
4250                 dev = vlan_dev_real_dev(dev);
4251                 goto recheck;
4252         }
4253
4254         if (!is_qlcnic_netdev(dev))
4255                 goto done;
4256
4257         adapter = netdev_priv(dev);
4258
4259         if (!adapter)
4260                 goto done;
4261
4262         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4263                 goto done;
4264
4265         switch (event) {
4266         case NETDEV_UP:
4267                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4268
4269                 break;
4270         case NETDEV_DOWN:
4271                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4272
4273                 break;
4274         default:
4275                 break;
4276         }
4277
4278 done:
4279         return NOTIFY_DONE;
4280 }
4281
4282 static struct notifier_block    qlcnic_netdev_cb = {
4283         .notifier_call = qlcnic_netdev_event,
4284 };
4285
4286 static struct notifier_block qlcnic_inetaddr_cb = {
4287         .notifier_call = qlcnic_inetaddr_event,
4288 };
4289 #else
4290 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4291 { }
4292 #endif
4293 static const struct pci_error_handlers qlcnic_err_handler = {
4294         .error_detected = qlcnic_io_error_detected,
4295         .slot_reset = qlcnic_io_slot_reset,
4296         .resume = qlcnic_io_resume,
4297 };
4298
4299 static struct pci_driver qlcnic_driver = {
4300         .name = qlcnic_driver_name,
4301         .id_table = qlcnic_pci_tbl,
4302         .probe = qlcnic_probe,
4303         .remove = qlcnic_remove,
4304 #ifdef CONFIG_PM
4305         .suspend = qlcnic_suspend,
4306         .resume = qlcnic_resume,
4307 #endif
4308         .shutdown = qlcnic_shutdown,
4309         .err_handler = &qlcnic_err_handler,
4310 #ifdef CONFIG_QLCNIC_SRIOV
4311         .sriov_configure = qlcnic_pci_sriov_configure,
4312 #endif
4313
4314 };
4315
4316 static int __init qlcnic_init_module(void)
4317 {
4318         int ret;
4319
4320         printk(KERN_INFO "%s\n", qlcnic_driver_string);
4321
4322 #ifdef CONFIG_INET
4323         register_netdevice_notifier(&qlcnic_netdev_cb);
4324         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4325 #endif
4326
4327         ret = pci_register_driver(&qlcnic_driver);
4328         if (ret) {
4329 #ifdef CONFIG_INET
4330                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4331                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4332 #endif
4333         }
4334
4335         return ret;
4336 }
4337
4338 module_init(qlcnic_init_module);
4339
4340 static void __exit qlcnic_exit_module(void)
4341 {
4342         pci_unregister_driver(&qlcnic_driver);
4343
4344 #ifdef CONFIG_INET
4345         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4346         unregister_netdevice_notifier(&qlcnic_netdev_cb);
4347 #endif
4348 }
4349
4350 module_exit(qlcnic_exit_module);