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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic qlcnic NIC Driver
   4  * Copyright (c) 2009-2013 QLogic Corporation
   5  */
   6
   7 #include <linux/vmalloc.h>
   8 #include <linux/interrupt.h>
   9 #include <linux/swab.h>
  10 #include <linux/dma-mapping.h>
  11 #include <linux/if_vlan.h>
  12 #include <net/ip.h>
  13 #include <linux/ipv6.h>
  14 #include <linux/inetdevice.h>
  15 #include <linux/aer.h>
  16 #include <linux/log2.h>
  17 #include <linux/pci.h>
  18 #include <net/vxlan.h>
  19
  20 #include "qlcnic.h"
  21 #include "qlcnic_sriov.h"
  22 #include "qlcnic_hw.h"
  23
  24 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
  25 MODULE_LICENSE("GPL");
  26 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
  27 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
  28
  29 char qlcnic_driver_name[] = "qlcnic";
  30 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
  31         "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
  32
  33 static int qlcnic_mac_learn;
  34 module_param(qlcnic_mac_learn, int, 0444);
  35 MODULE_PARM_DESC(qlcnic_mac_learn,
  36                  "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
  37
  38 int qlcnic_use_msi = 1;
  39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
  40 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
  41
  42 int qlcnic_use_msi_x = 1;
  43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
  44 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
  45
  46 int qlcnic_auto_fw_reset = 1;
  47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
  48 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
  49
  50 int qlcnic_load_fw_file;
  51 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)");
  52 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
  53
  54 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  55 static void qlcnic_remove(struct pci_dev *pdev);
  56 static int qlcnic_open(struct net_device *netdev);
  57 static int qlcnic_close(struct net_device *netdev);
  58 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue);
  59 static void qlcnic_attach_work(struct work_struct *work);
  60 static void qlcnic_fwinit_work(struct work_struct *work);
  61
  62 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  63 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  64
  65 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  66 static irqreturn_t qlcnic_intr(int irq, void *data);
  67 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  68 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  69 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
  70
  71 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  72 static int qlcnic_start_firmware(struct qlcnic_adapter *);
  73
  74 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  75 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  76 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  77 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
  78 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
  79
  80 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
  81 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
  82 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
  83 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
  84 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
  85 static void qlcnic_82xx_io_resume(struct pci_dev *);
  86 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
  87 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
  88                                                       pci_channel_state_t);
  89 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  90 {
  91         struct qlcnic_hardware_context *ahw = adapter->ahw;
  92
  93         if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
  94                 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
  95         else
  96                 return 1;
  97 }
  98
  99 /*  PCI Device ID Table  */
 100 #define ENTRY(device) \
 101         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
 102         .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
 103
 104 static const struct pci_device_id qlcnic_pci_tbl[] = {
 105         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
 106         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
 107         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
 108         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
 109         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
 110         ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
 111         ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
 112         {0,}
 113 };
 114
 115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
 116
 117
 118 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
 119 {
 120         writel(tx_ring->producer, tx_ring->crb_cmd_producer);
 121 }
 122
 123 static const u32 msi_tgt_status[8] = {
 124         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
 125         ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
 126         ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
 127         ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 128 };
 129
 130 static const u32 qlcnic_reg_tbl[] = {
 131         0x1B20A8,       /* PEG_HALT_STAT1 */
 132         0x1B20AC,       /* PEG_HALT_STAT2 */
 133         0x1B20B0,       /* FW_HEARTBEAT */
 134         0x1B2100,       /* LOCK ID */
 135         0x1B2128,       /* FW_CAPABILITIES */
 136         0x1B2138,       /* drv active */
 137         0x1B2140,       /* dev state */
 138         0x1B2144,       /* drv state */
 139         0x1B2148,       /* drv scratch */
 140         0x1B214C,       /* dev partition info */
 141         0x1B2174,       /* drv idc ver */
 142         0x1B2150,       /* fw version major */
 143         0x1B2154,       /* fw version minor */
 144         0x1B2158,       /* fw version sub */
 145         0x1B219C,       /* npar state */
 146         0x1B21FC,       /* FW_IMG_VALID */
 147         0x1B2250,       /* CMD_PEG_STATE */
 148         0x1B233C,       /* RCV_PEG_STATE */
 149         0x1B23B4,       /* ASIC TEMP */
 150         0x1B216C,       /* FW api */
 151         0x1B2170,       /* drv op mode */
 152         0x13C010,       /* flash lock */
 153         0x13C014,       /* flash unlock */
 154 };
 155
 156 static const struct qlcnic_board_info qlcnic_boards[] = {
 157         { PCI_VENDOR_ID_QLOGIC,
 158           PCI_DEVICE_ID_QLOGIC_QLE844X,
 159           0x0,
 160           0x0,
 161           "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
 162         { PCI_VENDOR_ID_QLOGIC,
 163           PCI_DEVICE_ID_QLOGIC_QLE834X,
 164           PCI_VENDOR_ID_QLOGIC,
 165           0x24e,
 166           "8300 Series Dual Port 10GbE Converged Network Adapter "
 167           "(TCP/IP Networking)" },
 168         { PCI_VENDOR_ID_QLOGIC,
 169           PCI_DEVICE_ID_QLOGIC_QLE834X,
 170           PCI_VENDOR_ID_QLOGIC,
 171           0x243,
 172           "8300 Series Single 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           0x24a,
 178           "8300 Series Dual 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           0x246,
 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           0x252,
 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           0x26e,
 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           0x260,
 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           0x266,
 208           "8300 Series Single 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           0x269,
 214           "8300 Series Dual 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           0x271,
 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           0x0, 0x0, "8300 Series 1/10GbE Controller" },
 225         { PCI_VENDOR_ID_QLOGIC,
 226           PCI_DEVICE_ID_QLOGIC_QLE8830,
 227           0x0,
 228           0x0,
 229           "8830 Series 1/10GbE Controller" },
 230         { PCI_VENDOR_ID_QLOGIC,
 231           PCI_DEVICE_ID_QLOGIC_QLE824X,
 232           PCI_VENDOR_ID_QLOGIC,
 233           0x203,
 234           "8200 Series Single Port 10GbE Converged Network Adapter"
 235           "(TCP/IP Networking)" },
 236         { PCI_VENDOR_ID_QLOGIC,
 237           PCI_DEVICE_ID_QLOGIC_QLE824X,
 238           PCI_VENDOR_ID_QLOGIC,
 239           0x207,
 240           "8200 Series Dual 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           0x20b,
 246           "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
 247         { PCI_VENDOR_ID_QLOGIC,
 248           PCI_DEVICE_ID_QLOGIC_QLE824X,
 249           PCI_VENDOR_ID_QLOGIC,
 250           0x20c,
 251           "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
 252         { PCI_VENDOR_ID_QLOGIC,
 253           PCI_DEVICE_ID_QLOGIC_QLE824X,
 254           PCI_VENDOR_ID_QLOGIC,
 255           0x20f,
 256           "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
 257         { PCI_VENDOR_ID_QLOGIC,
 258           PCI_DEVICE_ID_QLOGIC_QLE824X,
 259           0x103c, 0x3733,
 260           "NC523SFP 10Gb 2-port Server Adapter" },
 261         { PCI_VENDOR_ID_QLOGIC,
 262           PCI_DEVICE_ID_QLOGIC_QLE824X,
 263           0x103c, 0x3346,
 264           "CN1000Q Dual Port Converged Network Adapter" },
 265         { PCI_VENDOR_ID_QLOGIC,
 266           PCI_DEVICE_ID_QLOGIC_QLE824X,
 267           PCI_VENDOR_ID_QLOGIC,
 268           0x210,
 269           "QME8242-k 10GbE Dual Port Mezzanine Card" },
 270         { PCI_VENDOR_ID_QLOGIC,
 271           PCI_DEVICE_ID_QLOGIC_QLE824X,
 272           0x0, 0x0, "cLOM8214 1/10GbE Controller" },
 273 };
 274
 275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
 276
 277 static const
 278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
 279
 280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
 281 {
 282         int size = sizeof(struct qlcnic_host_sds_ring) * count;
 283
 284         recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
 285
 286         return recv_ctx->sds_rings == NULL;
 287 }
 288
 289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
 290 {
 291         kfree(recv_ctx->sds_rings);
 292         recv_ctx->sds_rings = NULL;
 293 }
 294
 295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
 296 {
 297         struct net_device *netdev = adapter->netdev;
 298         struct pci_dev *pdev = adapter->pdev;
 299         u8 mac_addr[ETH_ALEN];
 300         int ret;
 301
 302         ret = qlcnic_get_mac_address(adapter, mac_addr,
 303                                      adapter->ahw->pci_func);
 304         if (ret)
 305                 return ret;
 306
 307         memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
 308         memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
 309
 310         /* set station address */
 311
 312         if (!is_valid_ether_addr(netdev->dev_addr))
 313                 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
 314                                         netdev->dev_addr);
 315
 316         return 0;
 317 }
 318
 319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
 320 {
 321         struct qlcnic_mac_vlan_list *cur;
 322         struct list_head *head;
 323
 324         list_for_each(head, &adapter->mac_list) {
 325                 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
 326                 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
 327                         qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
 328                                                   0, QLCNIC_MAC_DEL);
 329                         list_del(&cur->list);
 330                         kfree(cur);
 331                         return;
 332                 }
 333         }
 334 }
 335
 336 static int qlcnic_set_mac(struct net_device *netdev, void *p)
 337 {
 338         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 339         struct sockaddr *addr = p;
 340
 341         if (qlcnic_sriov_vf_check(adapter))
 342                 return -EINVAL;
 343
 344         if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
 345                 return -EOPNOTSUPP;
 346
 347         if (!is_valid_ether_addr(addr->sa_data))
 348                 return -EINVAL;
 349
 350         if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
 351             ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
 352                 return 0;
 353
 354         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 355                 netif_device_detach(netdev);
 356                 qlcnic_napi_disable(adapter);
 357         }
 358
 359         qlcnic_delete_adapter_mac(adapter);
 360         memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
 361         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 362         qlcnic_set_multi(adapter->netdev);
 363
 364         if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 365                 netif_device_attach(netdev);
 366                 qlcnic_napi_enable(adapter);
 367         }
 368         return 0;
 369 }
 370
 371 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 372                         struct net_device *netdev,
 373                         const unsigned char *addr, u16 vid)
 374 {
 375         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 376         int err = -EOPNOTSUPP;
 377
 378         if (!adapter->fdb_mac_learn)
 379                 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
 380
 381         if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 382             qlcnic_sriov_check(adapter)) {
 383                 if (is_unicast_ether_addr(addr)) {
 384                         err = dev_uc_del(netdev, addr);
 385                         if (!err)
 386                                 err = qlcnic_nic_del_mac(adapter, addr);
 387                 } else if (is_multicast_ether_addr(addr)) {
 388                         err = dev_mc_del(netdev, addr);
 389                 } else {
 390                         err =  -EINVAL;
 391                 }
 392         }
 393         return err;
 394 }
 395
 396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 397                         struct net_device *netdev,
 398                         const unsigned char *addr, u16 vid, u16 flags,
 399                         struct netlink_ext_ack *extack)
 400 {
 401         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 402         int err = 0;
 403
 404         if (!adapter->fdb_mac_learn)
 405                 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
 406
 407         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
 408             !qlcnic_sriov_check(adapter)) {
 409                 pr_info("%s: FDB e-switch is not enabled\n", __func__);
 410                 return -EOPNOTSUPP;
 411         }
 412
 413         if (ether_addr_equal(addr, adapter->mac_addr))
 414                 return err;
 415
 416         if (is_unicast_ether_addr(addr)) {
 417                 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
 418                         err = dev_uc_add_excl(netdev, addr);
 419                 else
 420                         err = -ENOMEM;
 421         } else if (is_multicast_ether_addr(addr)) {
 422                 err = dev_mc_add_excl(netdev, addr);
 423         } else {
 424                 err = -EINVAL;
 425         }
 426
 427         return err;
 428 }
 429
 430 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
 431                         struct net_device *netdev,
 432                         struct net_device *filter_dev, int *idx)
 433 {
 434         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 435         int err = 0;
 436
 437         if (!adapter->fdb_mac_learn)
 438                 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
 439
 440         if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
 441             qlcnic_sriov_check(adapter))
 442                 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
 443
 444         return err;
 445 }
 446
 447 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
 448 {
 449         while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 450                 usleep_range(10000, 11000);
 451
 452         if (!adapter->fw_work.work.func)
 453                 return;
 454
 455         cancel_delayed_work_sync(&adapter->fw_work);
 456 }
 457
 458 static int qlcnic_get_phys_port_id(struct net_device *netdev,
 459                                    struct netdev_phys_item_id *ppid)
 460 {
 461         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 462         struct qlcnic_hardware_context *ahw = adapter->ahw;
 463
 464         if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
 465                 return -EOPNOTSUPP;
 466
 467         ppid->id_len = sizeof(ahw->phys_port_id);
 468         memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
 469
 470         return 0;
 471 }
 472
 473 static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table)
 474 {
 475         struct qlcnic_adapter *adapter = netdev_priv(dev);
 476         struct udp_tunnel_info ti;
 477         int err;
 478
 479         udp_tunnel_nic_get_port(dev, table, 0, &ti);
 480         if (ti.port) {
 481                 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port));
 482                 if (err)
 483                         return err;
 484         }
 485
 486         return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port));
 487 }
 488
 489 static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = {
 490         .sync_table     = qlcnic_udp_tunnel_sync,
 491         .flags          = UDP_TUNNEL_NIC_INFO_MAY_SLEEP,
 492         .tables         = {
 493                 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
 494         },
 495 };
 496
 497 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
 498                                                struct net_device *dev,
 499                                                netdev_features_t features)
 500 {
 501         features = vlan_features_check(skb, features);
 502         return vxlan_features_check(skb, features);
 503 }
 504
 505 static const struct net_device_ops qlcnic_netdev_ops = {
 506         .ndo_open          = qlcnic_open,
 507         .ndo_stop          = qlcnic_close,
 508         .ndo_start_xmit    = qlcnic_xmit_frame,
 509         .ndo_get_stats     = qlcnic_get_stats,
 510         .ndo_validate_addr = eth_validate_addr,
 511         .ndo_set_rx_mode   = qlcnic_set_multi,
 512         .ndo_set_mac_address    = qlcnic_set_mac,
 513         .ndo_change_mtu    = qlcnic_change_mtu,
 514         .ndo_fix_features  = qlcnic_fix_features,
 515         .ndo_set_features  = qlcnic_set_features,
 516         .ndo_tx_timeout    = qlcnic_tx_timeout,
 517         .ndo_vlan_rx_add_vid    = qlcnic_vlan_rx_add,
 518         .ndo_vlan_rx_kill_vid   = qlcnic_vlan_rx_del,
 519         .ndo_fdb_add            = qlcnic_fdb_add,
 520         .ndo_fdb_del            = qlcnic_fdb_del,
 521         .ndo_fdb_dump           = qlcnic_fdb_dump,
 522         .ndo_get_phys_port_id   = qlcnic_get_phys_port_id,
 523         .ndo_features_check     = qlcnic_features_check,
 524 #ifdef CONFIG_QLCNIC_SRIOV
 525         .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
 526         .ndo_set_vf_rate        = qlcnic_sriov_set_vf_tx_rate,
 527         .ndo_get_vf_config      = qlcnic_sriov_get_vf_config,
 528         .ndo_set_vf_vlan        = qlcnic_sriov_set_vf_vlan,
 529         .ndo_set_vf_spoofchk    = qlcnic_sriov_set_vf_spoofchk,
 530 #endif
 531 };
 532
 533 static const struct net_device_ops qlcnic_netdev_failed_ops = {
 534         .ndo_open          = qlcnic_open,
 535 };
 536
 537 static struct qlcnic_nic_template qlcnic_ops = {
 538         .config_bridged_mode    = qlcnic_config_bridged_mode,
 539         .config_led             = qlcnic_82xx_config_led,
 540         .start_firmware         = qlcnic_82xx_start_firmware,
 541         .request_reset          = qlcnic_82xx_dev_request_reset,
 542         .cancel_idc_work        = qlcnic_82xx_cancel_idc_work,
 543         .napi_add               = qlcnic_82xx_napi_add,
 544         .napi_del               = qlcnic_82xx_napi_del,
 545         .config_ipaddr          = qlcnic_82xx_config_ipaddr,
 546         .shutdown               = qlcnic_82xx_shutdown,
 547         .resume                 = qlcnic_82xx_resume,
 548         .clear_legacy_intr      = qlcnic_82xx_clear_legacy_intr,
 549 };
 550
 551 struct qlcnic_nic_template qlcnic_vf_ops = {
 552         .config_bridged_mode    = qlcnicvf_config_bridged_mode,
 553         .config_led             = qlcnicvf_config_led,
 554         .start_firmware         = qlcnicvf_start_firmware
 555 };
 556
 557 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
 558         .read_crb                       = qlcnic_82xx_read_crb,
 559         .write_crb                      = qlcnic_82xx_write_crb,
 560         .read_reg                       = qlcnic_82xx_hw_read_wx_2M,
 561         .write_reg                      = qlcnic_82xx_hw_write_wx_2M,
 562         .get_mac_address                = qlcnic_82xx_get_mac_address,
 563         .setup_intr                     = qlcnic_82xx_setup_intr,
 564         .alloc_mbx_args                 = qlcnic_82xx_alloc_mbx_args,
 565         .mbx_cmd                        = qlcnic_82xx_issue_cmd,
 566         .get_func_no                    = qlcnic_82xx_get_func_no,
 567         .api_lock                       = qlcnic_82xx_api_lock,
 568         .api_unlock                     = qlcnic_82xx_api_unlock,
 569         .add_sysfs                      = qlcnic_82xx_add_sysfs,
 570         .remove_sysfs                   = qlcnic_82xx_remove_sysfs,
 571         .process_lb_rcv_ring_diag       = qlcnic_82xx_process_rcv_ring_diag,
 572         .create_rx_ctx                  = qlcnic_82xx_fw_cmd_create_rx_ctx,
 573         .create_tx_ctx                  = qlcnic_82xx_fw_cmd_create_tx_ctx,
 574         .del_rx_ctx                     = qlcnic_82xx_fw_cmd_del_rx_ctx,
 575         .del_tx_ctx                     = qlcnic_82xx_fw_cmd_del_tx_ctx,
 576         .setup_link_event               = qlcnic_82xx_linkevent_request,
 577         .get_nic_info                   = qlcnic_82xx_get_nic_info,
 578         .get_pci_info                   = qlcnic_82xx_get_pci_info,
 579         .set_nic_info                   = qlcnic_82xx_set_nic_info,
 580         .change_macvlan                 = qlcnic_82xx_sre_macaddr_change,
 581         .napi_enable                    = qlcnic_82xx_napi_enable,
 582         .napi_disable                   = qlcnic_82xx_napi_disable,
 583         .config_intr_coal               = qlcnic_82xx_config_intr_coalesce,
 584         .config_rss                     = qlcnic_82xx_config_rss,
 585         .config_hw_lro                  = qlcnic_82xx_config_hw_lro,
 586         .config_loopback                = qlcnic_82xx_set_lb_mode,
 587         .clear_loopback                 = qlcnic_82xx_clear_lb_mode,
 588         .config_promisc_mode            = qlcnic_82xx_nic_set_promisc,
 589         .change_l2_filter               = qlcnic_82xx_change_filter,
 590         .get_board_info                 = qlcnic_82xx_get_board_info,
 591         .set_mac_filter_count           = qlcnic_82xx_set_mac_filter_count,
 592         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 593         .read_phys_port_id              = qlcnic_82xx_read_phys_port_id,
 594         .io_error_detected              = qlcnic_82xx_io_error_detected,
 595         .io_slot_reset                  = qlcnic_82xx_io_slot_reset,
 596         .io_resume                      = qlcnic_82xx_io_resume,
 597         .get_beacon_state               = qlcnic_82xx_get_beacon_state,
 598         .enable_sds_intr                = qlcnic_82xx_enable_sds_intr,
 599         .disable_sds_intr               = qlcnic_82xx_disable_sds_intr,
 600         .enable_tx_intr                 = qlcnic_82xx_enable_tx_intr,
 601         .disable_tx_intr                = qlcnic_82xx_disable_tx_intr,
 602         .get_saved_state                = qlcnic_82xx_get_saved_state,
 603         .set_saved_state                = qlcnic_82xx_set_saved_state,
 604         .cache_tmpl_hdr_values          = qlcnic_82xx_cache_tmpl_hdr_values,
 605         .get_cap_size                   = qlcnic_82xx_get_cap_size,
 606         .set_sys_info                   = qlcnic_82xx_set_sys_info,
 607         .store_cap_mask                 = qlcnic_82xx_store_cap_mask,
 608         .encap_rx_offload               = qlcnic_82xx_encap_rx_offload,
 609         .encap_tx_offload               = qlcnic_82xx_encap_tx_offload,
 610 };
 611
 612 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
 613 {
 614         struct qlcnic_hardware_context *ahw = adapter->ahw;
 615
 616         if (qlcnic_82xx_check(adapter) &&
 617             (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
 618                 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
 619                 return 0;
 620         } else {
 621                 return 1;
 622         }
 623 }
 624
 625 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
 626                             int queue_type)
 627 {
 628         int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
 629
 630         if (queue_type == QLCNIC_RX_QUEUE)
 631                 max_rings = adapter->max_sds_rings;
 632         else if (queue_type == QLCNIC_TX_QUEUE)
 633                 max_rings = adapter->max_tx_rings;
 634
 635         num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
 636                                               max_rings));
 637
 638         if (ring_cnt > num_rings)
 639                 return num_rings;
 640         else
 641                 return ring_cnt;
 642 }
 643
 644 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
 645 {
 646         /* 83xx adapter does not have max_tx_rings intialized in probe */
 647         if (adapter->max_tx_rings)
 648                 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
 649                                                          QLCNIC_TX_QUEUE);
 650         else
 651                 adapter->drv_tx_rings = tx_cnt;
 652 }
 653
 654 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
 655 {
 656         /* 83xx adapter does not have max_sds_rings intialized in probe */
 657         if (adapter->max_sds_rings)
 658                 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
 659                                                           QLCNIC_RX_QUEUE);
 660         else
 661                 adapter->drv_sds_rings = rx_cnt;
 662 }
 663
 664 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
 665 {
 666         struct pci_dev *pdev = adapter->pdev;
 667         int num_msix = 0, err = 0, vector;
 668
 669         adapter->flags &= ~QLCNIC_TSS_RSS;
 670
 671         if (adapter->drv_tss_rings > 0)
 672                 num_msix += adapter->drv_tss_rings;
 673         else
 674                 num_msix += adapter->drv_tx_rings;
 675
 676         if (adapter->drv_rss_rings > 0)
 677                 num_msix += adapter->drv_rss_rings;
 678         else
 679                 num_msix += adapter->drv_sds_rings;
 680
 681         if (qlcnic_83xx_check(adapter))
 682                 num_msix += 1;
 683
 684         if (!adapter->msix_entries) {
 685                 adapter->msix_entries = kcalloc(num_msix,
 686                                                 sizeof(struct msix_entry),
 687                                                 GFP_KERNEL);
 688                 if (!adapter->msix_entries)
 689                         return -ENOMEM;
 690         }
 691
 692         for (vector = 0; vector < num_msix; vector++)
 693                 adapter->msix_entries[vector].entry = vector;
 694
 695 restore:
 696         err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
 697         if (err == -ENOSPC) {
 698                 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
 699                         return err;
 700
 701                 netdev_info(adapter->netdev,
 702                             "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
 703                             num_msix, err);
 704
 705                 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
 706
 707                 /* Set rings to 0 so we can restore original TSS/RSS count */
 708                 adapter->drv_tss_rings = 0;
 709                 adapter->drv_rss_rings = 0;
 710
 711                 if (qlcnic_83xx_check(adapter))
 712                         num_msix += 1;
 713
 714                 netdev_info(adapter->netdev,
 715                             "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
 716                             adapter->drv_tx_rings, adapter->drv_sds_rings,
 717                             num_msix);
 718
 719                 goto restore;
 720         } else if (err < 0) {
 721                 return err;
 722         }
 723
 724         adapter->ahw->num_msix = num_msix;
 725         if (adapter->drv_tss_rings > 0)
 726                 adapter->drv_tx_rings = adapter->drv_tss_rings;
 727
 728         if (adapter->drv_rss_rings > 0)
 729                 adapter->drv_sds_rings = adapter->drv_rss_rings;
 730
 731         return 0;
 732 }
 733
 734 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
 735 {
 736         struct pci_dev *pdev = adapter->pdev;
 737         int err, vector;
 738
 739         if (!adapter->msix_entries) {
 740                 adapter->msix_entries = kcalloc(num_msix,
 741                                                 sizeof(struct msix_entry),
 742                                                 GFP_KERNEL);
 743                 if (!adapter->msix_entries)
 744                         return -ENOMEM;
 745         }
 746
 747         adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
 748
 749         if (adapter->ahw->msix_supported) {
 750 enable_msix:
 751                 for (vector = 0; vector < num_msix; vector++)
 752                         adapter->msix_entries[vector].entry = vector;
 753
 754                 err = pci_enable_msix_range(pdev,
 755                                             adapter->msix_entries, 1, num_msix);
 756
 757                 if (err == num_msix) {
 758                         adapter->flags |= QLCNIC_MSIX_ENABLED;
 759                         adapter->ahw->num_msix = num_msix;
 760                         dev_info(&pdev->dev, "using msi-x interrupts\n");
 761                         return 0;
 762                 } else if (err > 0) {
 763                         pci_disable_msix(pdev);
 764
 765                         dev_info(&pdev->dev,
 766                                  "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
 767                                  num_msix, err);
 768
 769                         if (qlcnic_82xx_check(adapter)) {
 770                                 num_msix = rounddown_pow_of_two(err);
 771                                 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
 772                                         return -ENOSPC;
 773                         } else {
 774                                 num_msix = rounddown_pow_of_two(err - 1);
 775                                 num_msix += 1;
 776                                 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
 777                                         return -ENOSPC;
 778                         }
 779
 780                         if (qlcnic_82xx_check(adapter) &&
 781                             !qlcnic_check_multi_tx(adapter)) {
 782                                 adapter->drv_sds_rings = num_msix;
 783                                 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
 784                         } else {
 785                                 /* Distribute vectors equally */
 786                                 adapter->drv_tx_rings = num_msix / 2;
 787                                 adapter->drv_sds_rings = adapter->drv_tx_rings;
 788                         }
 789
 790                         if (num_msix) {
 791                                 dev_info(&pdev->dev,
 792                                          "Trying to allocate %d MSI-X interrupt vectors\n",
 793                                          num_msix);
 794                                 goto enable_msix;
 795                         }
 796                 } else {
 797                         dev_info(&pdev->dev,
 798                                  "Unable to allocate %d MSI-X vectors, err=%d\n",
 799                                  num_msix, err);
 800                         return err;
 801                 }
 802         }
 803
 804         return -EIO;
 805 }
 806
 807 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
 808 {
 809         int num_msix;
 810
 811         num_msix = adapter->drv_sds_rings;
 812
 813         if (qlcnic_check_multi_tx(adapter))
 814                 num_msix += adapter->drv_tx_rings;
 815         else
 816                 num_msix += QLCNIC_SINGLE_RING;
 817
 818         return num_msix;
 819 }
 820
 821 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
 822 {
 823         int err = 0;
 824         u32 offset, mask_reg;
 825         const struct qlcnic_legacy_intr_set *legacy_intrp;
 826         struct qlcnic_hardware_context *ahw = adapter->ahw;
 827         struct pci_dev *pdev = adapter->pdev;
 828
 829         if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
 830                 adapter->flags |= QLCNIC_MSI_ENABLED;
 831                 offset = msi_tgt_status[adapter->ahw->pci_func];
 832                 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
 833                                                             offset);
 834                 dev_info(&pdev->dev, "using msi interrupts\n");
 835                 adapter->msix_entries[0].vector = pdev->irq;
 836                 return err;
 837         }
 838
 839         if (qlcnic_use_msi || qlcnic_use_msi_x)
 840                 return -EOPNOTSUPP;
 841
 842         legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
 843         adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
 844         offset = legacy_intrp->tgt_status_reg;
 845         adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
 846         mask_reg = legacy_intrp->tgt_mask_reg;
 847         adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
 848         adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
 849         adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
 850         dev_info(&pdev->dev, "using legacy interrupts\n");
 851         adapter->msix_entries[0].vector = pdev->irq;
 852         return err;
 853 }
 854
 855 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
 856 {
 857         int num_msix, err = 0;
 858
 859         if (adapter->flags & QLCNIC_TSS_RSS) {
 860                 err = qlcnic_setup_tss_rss_intr(adapter);
 861                 if (err < 0)
 862                         return err;
 863                 num_msix = adapter->ahw->num_msix;
 864         } else {
 865                 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
 866
 867                 err = qlcnic_enable_msix(adapter, num_msix);
 868                 if (err == -ENOMEM)
 869                         return err;
 870
 871                 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
 872                         qlcnic_disable_multi_tx(adapter);
 873                         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
 874
 875                         err = qlcnic_enable_msi_legacy(adapter);
 876                         if (err)
 877                                 return err;
 878                 }
 879         }
 880
 881         return 0;
 882 }
 883
 884 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
 885 {
 886         struct qlcnic_hardware_context *ahw = adapter->ahw;
 887         int err, i;
 888
 889         if (qlcnic_check_multi_tx(adapter) &&
 890             !ahw->diag_test &&
 891             (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 892                 ahw->intr_tbl =
 893                         vzalloc(array_size(sizeof(struct qlcnic_intrpt_config),
 894                                            ahw->num_msix));
 895                 if (!ahw->intr_tbl)
 896                         return -ENOMEM;
 897
 898                 for (i = 0; i < ahw->num_msix; i++) {
 899                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
 900                         ahw->intr_tbl[i].id = i;
 901                         ahw->intr_tbl[i].src = 0;
 902                 }
 903
 904                 err = qlcnic_82xx_config_intrpt(adapter, 1);
 905                 if (err)
 906                         dev_err(&adapter->pdev->dev,
 907                                 "Failed to configure Interrupt for %d vector\n",
 908                                 ahw->num_msix);
 909                 return err;
 910         }
 911
 912         return 0;
 913 }
 914
 915 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
 916 {
 917         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 918                 pci_disable_msix(adapter->pdev);
 919         if (adapter->flags & QLCNIC_MSI_ENABLED)
 920                 pci_disable_msi(adapter->pdev);
 921
 922         kfree(adapter->msix_entries);
 923         adapter->msix_entries = NULL;
 924
 925         if (adapter->ahw->intr_tbl) {
 926                 vfree(adapter->ahw->intr_tbl);
 927                 adapter->ahw->intr_tbl = NULL;
 928         }
 929 }
 930
 931 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
 932 {
 933         if (ahw->pci_base0 != NULL)
 934                 iounmap(ahw->pci_base0);
 935 }
 936
 937 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 938 {
 939         struct qlcnic_hardware_context *ahw = adapter->ahw;
 940         struct qlcnic_pci_info *pci_info;
 941         int ret;
 942
 943         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
 944                 switch (ahw->port_type) {
 945                 case QLCNIC_GBE:
 946                         ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
 947                         break;
 948                 case QLCNIC_XGBE:
 949                         ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
 950                         break;
 951                 }
 952                 return 0;
 953         }
 954
 955         if (ahw->op_mode == QLCNIC_MGMT_FUNC)
 956                 return 0;
 957
 958         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 959         if (!pci_info)
 960                 return -ENOMEM;
 961
 962         ret = qlcnic_get_pci_info(adapter, pci_info);
 963         kfree(pci_info);
 964         return ret;
 965 }
 966
 967 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
 968 {
 969         bool ret = false;
 970
 971         if (qlcnic_84xx_check(adapter)) {
 972                 ret = true;
 973         } else if (qlcnic_83xx_check(adapter)) {
 974                 if (adapter->ahw->extra_capability[0] &
 975                     QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
 976                         ret = true;
 977                 else
 978                         ret = false;
 979         }
 980
 981         return ret;
 982 }
 983
 984 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 985 {
 986         struct qlcnic_hardware_context *ahw = adapter->ahw;
 987         struct qlcnic_pci_info *pci_info;
 988         int i, id = 0, ret = 0, j = 0;
 989         u16 act_pci_func;
 990         u8 pfn;
 991
 992         pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
 993         if (!pci_info)
 994                 return -ENOMEM;
 995
 996         ret = qlcnic_get_pci_info(adapter, pci_info);
 997         if (ret)
 998                 goto err_pci_info;
 999
1000         act_pci_func = ahw->total_nic_func;
1001
1002         adapter->npars = kcalloc(act_pci_func,
1003                                  sizeof(struct qlcnic_npar_info),
1004                                  GFP_KERNEL);
1005         if (!adapter->npars) {
1006                 ret = -ENOMEM;
1007                 goto err_pci_info;
1008         }
1009
1010         adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS,
1011                                    sizeof(struct qlcnic_eswitch),
1012                                    GFP_KERNEL);
1013         if (!adapter->eswitch) {
1014                 ret = -ENOMEM;
1015                 goto err_npars;
1016         }
1017
1018         for (i = 0; i < ahw->max_vnic_func; i++) {
1019                 pfn = pci_info[i].id;
1020
1021                 if (pfn >= ahw->max_vnic_func) {
1022                         ret = -EINVAL;
1023                         dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1024                                 __func__, pfn, ahw->max_vnic_func);
1025                         goto err_eswitch;
1026                 }
1027
1028                 if (!pci_info[i].active ||
1029                     (pci_info[i].type != QLCNIC_TYPE_NIC))
1030                         continue;
1031
1032                 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1033                         if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1034                                                                  &id))
1035                                 adapter->npars[j].eswitch_status = true;
1036                         else
1037                                 continue;
1038                 } else {
1039                         adapter->npars[j].eswitch_status = true;
1040                 }
1041
1042                 adapter->npars[j].pci_func = pfn;
1043                 adapter->npars[j].active = (u8)pci_info[i].active;
1044                 adapter->npars[j].type = (u8)pci_info[i].type;
1045                 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1046                 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1047                 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1048
1049                 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1050                 j++;
1051         }
1052
1053         /* Update eSwitch status for adapters without per port eSwitch
1054          * configuration capability
1055          */
1056         if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1057                 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1058                         adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1059         }
1060
1061         kfree(pci_info);
1062         return 0;
1063
1064 err_eswitch:
1065         kfree(adapter->eswitch);
1066         adapter->eswitch = NULL;
1067 err_npars:
1068         kfree(adapter->npars);
1069         adapter->npars = NULL;
1070 err_pci_info:
1071         kfree(pci_info);
1072
1073         return ret;
1074 }
1075
1076 static int
1077 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1078 {
1079         u8 id;
1080         int ret;
1081         u32 data = QLCNIC_MGMT_FUNC;
1082         struct qlcnic_hardware_context *ahw = adapter->ahw;
1083
1084         ret = qlcnic_api_lock(adapter);
1085         if (ret)
1086                 goto err_lock;
1087
1088         id = ahw->pci_func;
1089         data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1090         data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1091                QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1092         QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1093         qlcnic_api_unlock(adapter);
1094 err_lock:
1095         return ret;
1096 }
1097
1098 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1099                             const struct pci_device_id *ent)
1100 {
1101         u32 op_mode, priv_level;
1102
1103         /* Determine FW API version */
1104         adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1105                                                            QLCNIC_FW_API);
1106
1107         /* Find PCI function number */
1108         qlcnic_get_func_no(adapter);
1109
1110         /* Determine function privilege level */
1111         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1112         if (op_mode == QLC_DEV_DRV_DEFAULT)
1113                 priv_level = QLCNIC_MGMT_FUNC;
1114         else
1115                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1116
1117         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1118                 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1119                 dev_info(&adapter->pdev->dev,
1120                         "HAL Version: %d Non Privileged function\n",
1121                          adapter->ahw->fw_hal_version);
1122                 adapter->nic_ops = &qlcnic_vf_ops;
1123         } else
1124                 adapter->nic_ops = &qlcnic_ops;
1125 }
1126
1127 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1128 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1129 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1130 {
1131         switch (dev_id) {
1132         case PCI_DEVICE_ID_QLOGIC_QLE824X:
1133                 *bar = QLCNIC_82XX_BAR0_LENGTH;
1134                 break;
1135         case PCI_DEVICE_ID_QLOGIC_QLE834X:
1136         case PCI_DEVICE_ID_QLOGIC_QLE8830:
1137         case PCI_DEVICE_ID_QLOGIC_QLE844X:
1138         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1139         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1140         case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1141                 *bar = QLCNIC_83XX_BAR0_LENGTH;
1142                 break;
1143         default:
1144                 *bar = 0;
1145         }
1146 }
1147
1148 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1149                                 struct qlcnic_hardware_context *ahw)
1150 {
1151         u32 offset;
1152         void __iomem *mem_ptr0 = NULL;
1153         unsigned long mem_len, pci_len0 = 0, bar0_len;
1154
1155         /* remap phys address */
1156         mem_len = pci_resource_len(pdev, 0);
1157
1158         qlcnic_get_bar_length(pdev->device, &bar0_len);
1159         if (mem_len >= bar0_len) {
1160
1161                 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1162                 if (mem_ptr0 == NULL) {
1163                         dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1164                         return -EIO;
1165                 }
1166                 pci_len0 = mem_len;
1167         } else {
1168                 return -EIO;
1169         }
1170
1171         dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1172
1173         ahw->pci_base0 = mem_ptr0;
1174         ahw->pci_len0 = pci_len0;
1175         offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1176         qlcnic_get_ioaddr(ahw, offset);
1177
1178         return 0;
1179 }
1180
1181 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1182                                          int index)
1183 {
1184         struct pci_dev *pdev = adapter->pdev;
1185         unsigned short subsystem_vendor;
1186         bool ret = true;
1187
1188         subsystem_vendor = pdev->subsystem_vendor;
1189
1190         if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1191             pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1192                 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1193                     qlcnic_boards[index].sub_device == pdev->subsystem_device)
1194                         ret = true;
1195                 else
1196                         ret = false;
1197         }
1198
1199         return ret;
1200 }
1201
1202 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1203 {
1204         struct pci_dev *pdev = adapter->pdev;
1205         int i, found = 0;
1206
1207         for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1208                 if (qlcnic_boards[i].vendor == pdev->vendor &&
1209                     qlcnic_boards[i].device == pdev->device &&
1210                     qlcnic_validate_subsystem_id(adapter, i)) {
1211                         found = 1;
1212                         break;
1213                 }
1214         }
1215
1216         if (!found)
1217                 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1218         else
1219                 sprintf(name, "%pM: %s" , adapter->mac_addr,
1220                         qlcnic_boards[i].short_name);
1221 }
1222
1223 static void
1224 qlcnic_check_options(struct qlcnic_adapter *adapter)
1225 {
1226         int err;
1227         u32 fw_major, fw_minor, fw_build, prev_fw_version;
1228         struct pci_dev *pdev = adapter->pdev;
1229         struct qlcnic_hardware_context *ahw = adapter->ahw;
1230         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1231
1232         prev_fw_version = adapter->fw_version;
1233
1234         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1235         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1236         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1237
1238         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1239
1240         err = qlcnic_get_board_info(adapter);
1241         if (err) {
1242                 dev_err(&pdev->dev, "Error getting board config info.\n");
1243                 return;
1244         }
1245         if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1246                 if (fw_dump->tmpl_hdr == NULL ||
1247                                 adapter->fw_version > prev_fw_version) {
1248                         vfree(fw_dump->tmpl_hdr);
1249                         if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1250                                 dev_info(&pdev->dev,
1251                                         "Supports FW dump capability\n");
1252                 }
1253         }
1254
1255         dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1256                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1257
1258         if (adapter->ahw->port_type == QLCNIC_XGBE) {
1259                 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1260                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1261                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1262                 } else {
1263                         adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1264                         adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1265                 }
1266
1267                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1268                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1269
1270         } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1271                 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1272                 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1273                 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1274                 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1275         }
1276
1277         adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1278
1279         adapter->num_txd = MAX_CMD_DESCRIPTORS;
1280
1281         adapter->max_rds_rings = MAX_RDS_RINGS;
1282 }
1283
1284 static int
1285 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1286 {
1287         struct qlcnic_info nic_info;
1288         int err = 0;
1289
1290         memset(&nic_info, 0, sizeof(struct qlcnic_info));
1291         err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1292         if (err)
1293                 return err;
1294
1295         adapter->ahw->physical_port = (u8)nic_info.phys_port;
1296         adapter->ahw->switch_mode = nic_info.switch_mode;
1297         adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1298         adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1299         adapter->ahw->capabilities = nic_info.capabilities;
1300
1301         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1302                 u32 temp;
1303                 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1304                 if (err == -EIO)
1305                         return err;
1306                 adapter->ahw->extra_capability[0] = temp;
1307         } else {
1308                 adapter->ahw->extra_capability[0] = 0;
1309         }
1310
1311         adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1312         adapter->ahw->max_mtu = nic_info.max_mtu;
1313
1314         if (adapter->ahw->capabilities & BIT_6) {
1315                 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1316                 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1317                 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1318                 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1319
1320                 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1321         } else {
1322                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1323                 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1324                 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1325                 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1326         }
1327
1328         return err;
1329 }
1330
1331 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1332                             struct qlcnic_esw_func_cfg *esw_cfg)
1333 {
1334         if (esw_cfg->discard_tagged)
1335                 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1336         else
1337                 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1338
1339         if (esw_cfg->vlan_id) {
1340                 adapter->rx_pvid = esw_cfg->vlan_id;
1341                 adapter->tx_pvid = esw_cfg->vlan_id;
1342         } else {
1343                 adapter->rx_pvid = 0;
1344                 adapter->tx_pvid = 0;
1345         }
1346 }
1347
1348 static int
1349 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1350 {
1351         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1352         int err;
1353
1354         if (qlcnic_sriov_vf_check(adapter)) {
1355                 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1356                 if (err) {
1357                         netdev_err(netdev,
1358                                    "Cannot add VLAN filter for VLAN id %d, err=%d",
1359                                    vid, err);
1360                         return err;
1361                 }
1362         }
1363
1364         set_bit(vid, adapter->vlans);
1365         return 0;
1366 }
1367
1368 static int
1369 qlcnic_vlan_rx_del(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, 0);
1376                 if (err) {
1377                         netdev_err(netdev,
1378                                    "Cannot delete VLAN filter for VLAN id %d, err=%d",
1379                                    vid, err);
1380                         return err;
1381                 }
1382         }
1383
1384         qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1385         clear_bit(vid, adapter->vlans);
1386         return 0;
1387 }
1388
1389 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1390                                       struct qlcnic_esw_func_cfg *esw_cfg)
1391 {
1392         adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1393                                 QLCNIC_PROMISC_DISABLED);
1394
1395         if (esw_cfg->mac_anti_spoof)
1396                 adapter->flags |= QLCNIC_MACSPOOF;
1397
1398         if (!esw_cfg->mac_override)
1399                 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1400
1401         if (!esw_cfg->promisc_mode)
1402                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1403 }
1404
1405 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1406 {
1407         struct qlcnic_esw_func_cfg esw_cfg;
1408
1409         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1410                 return 0;
1411
1412         esw_cfg.pci_func = adapter->ahw->pci_func;
1413         if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1414                         return -EIO;
1415         qlcnic_set_vlan_config(adapter, &esw_cfg);
1416         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1417         qlcnic_set_netdev_features(adapter, &esw_cfg);
1418
1419         return 0;
1420 }
1421
1422 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1423                                 struct qlcnic_esw_func_cfg *esw_cfg)
1424 {
1425         struct net_device *netdev = adapter->netdev;
1426
1427         if (qlcnic_83xx_check(adapter))
1428                 return;
1429
1430         adapter->offload_flags = esw_cfg->offload_flags;
1431         adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1432         netdev_update_features(netdev);
1433         adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1434 }
1435
1436 static int
1437 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1438 {
1439         u32 op_mode, priv_level;
1440         int err = 0;
1441
1442         err = qlcnic_initialize_nic(adapter);
1443         if (err)
1444                 return err;
1445
1446         if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1447                 return 0;
1448
1449         op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1450         priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1451
1452         if (op_mode == QLC_DEV_DRV_DEFAULT)
1453                 priv_level = QLCNIC_MGMT_FUNC;
1454         else
1455                 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1456
1457         if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1458                 if (priv_level == QLCNIC_MGMT_FUNC) {
1459                         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1460                         err = qlcnic_init_pci_info(adapter);
1461                         if (err)
1462                                 return err;
1463                         /* Set privilege level for other functions */
1464                         qlcnic_set_function_modes(adapter);
1465                         dev_info(&adapter->pdev->dev,
1466                                 "HAL Version: %d, Management function\n",
1467                                  adapter->ahw->fw_hal_version);
1468                 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1469                         adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1470                         dev_info(&adapter->pdev->dev,
1471                                 "HAL Version: %d, Privileged function\n",
1472                                  adapter->ahw->fw_hal_version);
1473                 }
1474         } else {
1475                 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1476         }
1477
1478         adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1479
1480         return err;
1481 }
1482
1483 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1484 {
1485         struct qlcnic_esw_func_cfg esw_cfg;
1486         struct qlcnic_npar_info *npar;
1487         u8 i;
1488
1489         if (adapter->need_fw_reset)
1490                 return 0;
1491
1492         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1493                 if (!adapter->npars[i].eswitch_status)
1494                         continue;
1495
1496                 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1497                 esw_cfg.pci_func = adapter->npars[i].pci_func;
1498                 esw_cfg.mac_override = BIT_0;
1499                 esw_cfg.promisc_mode = BIT_0;
1500                 if (qlcnic_82xx_check(adapter)) {
1501                         esw_cfg.offload_flags = BIT_0;
1502                         if (QLCNIC_IS_TSO_CAPABLE(adapter))
1503                                 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1504                 }
1505                 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1506                         return -EIO;
1507                 npar = &adapter->npars[i];
1508                 npar->pvid = esw_cfg.vlan_id;
1509                 npar->mac_override = esw_cfg.mac_override;
1510                 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1511                 npar->discard_tagged = esw_cfg.discard_tagged;
1512                 npar->promisc_mode = esw_cfg.promisc_mode;
1513                 npar->offload_flags = esw_cfg.offload_flags;
1514         }
1515
1516         return 0;
1517 }
1518
1519
1520 static int
1521 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1522                         struct qlcnic_npar_info *npar, int pci_func)
1523 {
1524         struct qlcnic_esw_func_cfg esw_cfg;
1525         esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1526         esw_cfg.pci_func = pci_func;
1527         esw_cfg.vlan_id = npar->pvid;
1528         esw_cfg.mac_override = npar->mac_override;
1529         esw_cfg.discard_tagged = npar->discard_tagged;
1530         esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1531         esw_cfg.offload_flags = npar->offload_flags;
1532         esw_cfg.promisc_mode = npar->promisc_mode;
1533         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1534                 return -EIO;
1535
1536         esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1537         if (qlcnic_config_switch_port(adapter, &esw_cfg))
1538                 return -EIO;
1539
1540         return 0;
1541 }
1542
1543 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1544 {
1545         int i, err;
1546         struct qlcnic_npar_info *npar;
1547         struct qlcnic_info nic_info;
1548         u8 pci_func;
1549
1550         if (qlcnic_82xx_check(adapter))
1551                 if (!adapter->need_fw_reset)
1552                         return 0;
1553
1554         /* Set the NPAR config data after FW reset */
1555         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1556                 npar = &adapter->npars[i];
1557                 pci_func = npar->pci_func;
1558                 if (!adapter->npars[i].eswitch_status)
1559                         continue;
1560
1561                 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1562                 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1563                 if (err)
1564                         return err;
1565                 nic_info.min_tx_bw = npar->min_bw;
1566                 nic_info.max_tx_bw = npar->max_bw;
1567                 err = qlcnic_set_nic_info(adapter, &nic_info);
1568                 if (err)
1569                         return err;
1570
1571                 if (npar->enable_pm) {
1572                         err = qlcnic_config_port_mirroring(adapter,
1573                                                            npar->dest_npar, 1,
1574                                                            pci_func);
1575                         if (err)
1576                                 return err;
1577                 }
1578                 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1579                 if (err)
1580                         return err;
1581         }
1582         return 0;
1583 }
1584
1585 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1586 {
1587         u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1588         u32 npar_state;
1589
1590         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1591                 return 0;
1592
1593         npar_state = QLC_SHARED_REG_RD32(adapter,
1594                                          QLCNIC_CRB_DEV_NPAR_STATE);
1595         while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1596                 msleep(1000);
1597                 npar_state = QLC_SHARED_REG_RD32(adapter,
1598                                                  QLCNIC_CRB_DEV_NPAR_STATE);
1599         }
1600         if (!npar_opt_timeo) {
1601                 dev_err(&adapter->pdev->dev,
1602                         "Waiting for NPAR state to operational timeout\n");
1603                 return -EIO;
1604         }
1605         return 0;
1606 }
1607
1608 static int
1609 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1610 {
1611         int err;
1612
1613         if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1614             adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1615                 return 0;
1616
1617         err = qlcnic_set_default_offload_settings(adapter);
1618         if (err)
1619                 return err;
1620
1621         err = qlcnic_reset_npar_config(adapter);
1622         if (err)
1623                 return err;
1624
1625         qlcnic_dev_set_npar_ready(adapter);
1626
1627         return err;
1628 }
1629
1630 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1631 {
1632         int err;
1633
1634         err = qlcnic_can_start_firmware(adapter);
1635         if (err < 0)
1636                 return err;
1637         else if (!err)
1638                 goto check_fw_status;
1639
1640         if (qlcnic_load_fw_file)
1641                 qlcnic_request_firmware(adapter);
1642         else {
1643                 err = qlcnic_check_flash_fw_ver(adapter);
1644                 if (err)
1645                         goto err_out;
1646
1647                 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1648         }
1649
1650         err = qlcnic_need_fw_reset(adapter);
1651         if (err == 0)
1652                 goto check_fw_status;
1653
1654         err = qlcnic_pinit_from_rom(adapter);
1655         if (err)
1656                 goto err_out;
1657
1658         err = qlcnic_load_firmware(adapter);
1659         if (err)
1660                 goto err_out;
1661
1662         qlcnic_release_firmware(adapter);
1663         QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1664
1665 check_fw_status:
1666         err = qlcnic_check_fw_status(adapter);
1667         if (err)
1668                 goto err_out;
1669
1670         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1671         qlcnic_idc_debug_info(adapter, 1);
1672         err = qlcnic_check_eswitch_mode(adapter);
1673         if (err) {
1674                 dev_err(&adapter->pdev->dev,
1675                         "Memory allocation failed for eswitch\n");
1676                 goto err_out;
1677         }
1678         err = qlcnic_set_mgmt_operations(adapter);
1679         if (err)
1680                 goto err_out;
1681
1682         qlcnic_check_options(adapter);
1683         adapter->need_fw_reset = 0;
1684
1685         qlcnic_release_firmware(adapter);
1686         return 0;
1687
1688 err_out:
1689         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1690         dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1691
1692         qlcnic_release_firmware(adapter);
1693         return err;
1694 }
1695
1696 static int
1697 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1698 {
1699         irq_handler_t handler;
1700         struct qlcnic_host_sds_ring *sds_ring;
1701         struct qlcnic_host_tx_ring *tx_ring;
1702         int err, ring, num_sds_rings;
1703
1704         unsigned long flags = 0;
1705         struct net_device *netdev = adapter->netdev;
1706         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1707
1708         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1709                 if (qlcnic_82xx_check(adapter))
1710                         handler = qlcnic_tmp_intr;
1711                 else
1712                         handler = qlcnic_83xx_tmp_intr;
1713                 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1714                         flags |= IRQF_SHARED;
1715
1716         } else {
1717                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1718                         handler = qlcnic_msix_intr;
1719                 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1720                         handler = qlcnic_msi_intr;
1721                 else {
1722                         flags |= IRQF_SHARED;
1723                         if (qlcnic_82xx_check(adapter))
1724                                 handler = qlcnic_intr;
1725                         else
1726                                 handler = qlcnic_83xx_intr;
1727                 }
1728         }
1729         adapter->irq = netdev->irq;
1730
1731         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1732                 if (qlcnic_82xx_check(adapter) ||
1733                     (qlcnic_83xx_check(adapter) &&
1734                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1735                         num_sds_rings = adapter->drv_sds_rings;
1736                         for (ring = 0; ring < num_sds_rings; ring++) {
1737                                 sds_ring = &recv_ctx->sds_rings[ring];
1738                                 if (qlcnic_82xx_check(adapter) &&
1739                                     !qlcnic_check_multi_tx(adapter) &&
1740                                     (ring == (num_sds_rings - 1))) {
1741                                         if (!(adapter->flags &
1742                                               QLCNIC_MSIX_ENABLED))
1743                                                 snprintf(sds_ring->name,
1744                                                          sizeof(sds_ring->name),
1745                                                          "qlcnic");
1746                                         else
1747                                                 snprintf(sds_ring->name,
1748                                                          sizeof(sds_ring->name),
1749                                                          "%s-tx-0-rx-%d",
1750                                                          netdev->name, ring);
1751                                 } else {
1752                                         snprintf(sds_ring->name,
1753                                                  sizeof(sds_ring->name),
1754                                                  "%s-rx-%d",
1755                                                  netdev->name, ring);
1756                                 }
1757                                 err = request_irq(sds_ring->irq, handler, flags,
1758                                                   sds_ring->name, sds_ring);
1759                                 if (err)
1760                                         return err;
1761                         }
1762                 }
1763                 if ((qlcnic_82xx_check(adapter) &&
1764                      qlcnic_check_multi_tx(adapter)) ||
1765                     (qlcnic_83xx_check(adapter) &&
1766                      (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1767                      !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1768                         handler = qlcnic_msix_tx_intr;
1769                         for (ring = 0; ring < adapter->drv_tx_rings;
1770                              ring++) {
1771                                 tx_ring = &adapter->tx_ring[ring];
1772                                 snprintf(tx_ring->name, sizeof(tx_ring->name),
1773                                          "%s-tx-%d", netdev->name, ring);
1774                                 err = request_irq(tx_ring->irq, handler, flags,
1775                                                   tx_ring->name, tx_ring);
1776                                 if (err)
1777                                         return err;
1778                         }
1779                 }
1780         }
1781         return 0;
1782 }
1783
1784 static void
1785 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1786 {
1787         int ring;
1788         struct qlcnic_host_sds_ring *sds_ring;
1789         struct qlcnic_host_tx_ring *tx_ring;
1790
1791         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1792
1793         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1794                 if (qlcnic_82xx_check(adapter) ||
1795                     (qlcnic_83xx_check(adapter) &&
1796                      (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1797                         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1798                                 sds_ring = &recv_ctx->sds_rings[ring];
1799                                 free_irq(sds_ring->irq, sds_ring);
1800                         }
1801                 }
1802                 if ((qlcnic_83xx_check(adapter) &&
1803                      !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1804                     (qlcnic_82xx_check(adapter) &&
1805                      qlcnic_check_multi_tx(adapter))) {
1806                         for (ring = 0; ring < adapter->drv_tx_rings;
1807                              ring++) {
1808                                 tx_ring = &adapter->tx_ring[ring];
1809                                 if (tx_ring->irq)
1810                                         free_irq(tx_ring->irq, tx_ring);
1811                         }
1812                 }
1813         }
1814 }
1815
1816 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1817 {
1818         u32 capab = 0;
1819
1820         if (qlcnic_82xx_check(adapter)) {
1821                 if (adapter->ahw->extra_capability[0] &
1822                     QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1823                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1824         } else {
1825                 capab = adapter->ahw->capabilities;
1826                 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1827                         adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1828         }
1829 }
1830
1831 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1832 {
1833         struct qlcnic_hardware_context *ahw = adapter->ahw;
1834         int err;
1835
1836         /* Initialize interrupt coalesce parameters */
1837         ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1838
1839         if (qlcnic_83xx_check(adapter)) {
1840                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1841                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1842                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1843                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1844                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1845
1846                 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1847         } else {
1848                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1849                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1850                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1851
1852                 err = qlcnic_82xx_set_rx_coalesce(adapter);
1853         }
1854
1855         return err;
1856 }
1857
1858 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1859 {
1860         int ring;
1861         struct qlcnic_host_rds_ring *rds_ring;
1862
1863         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1864                 return -EIO;
1865
1866         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1867                 return 0;
1868
1869         if (qlcnic_set_eswitch_port_config(adapter))
1870                 return -EIO;
1871
1872         qlcnic_get_lro_mss_capability(adapter);
1873
1874         if (qlcnic_fw_create_ctx(adapter))
1875                 return -EIO;
1876
1877         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1878                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1879                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1880         }
1881
1882         qlcnic_set_multi(netdev);
1883         qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1884
1885         adapter->ahw->linkup = 0;
1886
1887         if (adapter->drv_sds_rings > 1)
1888                 qlcnic_config_rss(adapter, 1);
1889
1890         qlcnic_config_def_intr_coalesce(adapter);
1891
1892         if (netdev->features & NETIF_F_LRO)
1893                 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1894
1895         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1896         qlcnic_napi_enable(adapter);
1897
1898         qlcnic_linkevent_request(adapter, 1);
1899
1900         adapter->ahw->reset_context = 0;
1901         netif_tx_start_all_queues(netdev);
1902         return 0;
1903 }
1904
1905 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1906 {
1907         int err = 0;
1908
1909         rtnl_lock();
1910         if (netif_running(netdev))
1911                 err = __qlcnic_up(adapter, netdev);
1912         rtnl_unlock();
1913
1914         return err;
1915 }
1916
1917 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1918 {
1919         int ring;
1920
1921         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1922                 return;
1923
1924         if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1925                 return;
1926
1927         smp_mb();
1928         netif_carrier_off(netdev);
1929         adapter->ahw->linkup = 0;
1930         netif_tx_disable(netdev);
1931
1932         qlcnic_free_mac_list(adapter);
1933
1934         if (adapter->fhash.fnum)
1935                 qlcnic_delete_lb_filters(adapter);
1936
1937         qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1938         if (qlcnic_sriov_vf_check(adapter))
1939                 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1940
1941         qlcnic_napi_disable(adapter);
1942
1943         qlcnic_fw_destroy_ctx(adapter);
1944         adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1945
1946         qlcnic_reset_rx_buffers_list(adapter);
1947
1948         for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1949                 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1950 }
1951
1952 /* Usage: During suspend and firmware recovery module */
1953
1954 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1955 {
1956         rtnl_lock();
1957         if (netif_running(netdev))
1958                 __qlcnic_down(adapter, netdev);
1959         rtnl_unlock();
1960
1961 }
1962
1963 int
1964 qlcnic_attach(struct qlcnic_adapter *adapter)
1965 {
1966         struct net_device *netdev = adapter->netdev;
1967         struct pci_dev *pdev = adapter->pdev;
1968         int err;
1969
1970         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1971                 return 0;
1972
1973         err = qlcnic_napi_add(adapter, netdev);
1974         if (err)
1975                 return err;
1976
1977         err = qlcnic_alloc_sw_resources(adapter);
1978         if (err) {
1979                 dev_err(&pdev->dev, "Error in setting sw resources\n");
1980                 goto err_out_napi_del;
1981         }
1982
1983         err = qlcnic_alloc_hw_resources(adapter);
1984         if (err) {
1985                 dev_err(&pdev->dev, "Error in setting hw resources\n");
1986                 goto err_out_free_sw;
1987         }
1988
1989         err = qlcnic_request_irq(adapter);
1990         if (err) {
1991                 dev_err(&pdev->dev, "failed to setup interrupt\n");
1992                 goto err_out_free_hw;
1993         }
1994
1995         qlcnic_create_sysfs_entries(adapter);
1996
1997         if (qlcnic_encap_rx_offload(adapter))
1998                 udp_tunnel_nic_reset_ntf(netdev);
1999
2000         adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2001         return 0;
2002
2003 err_out_free_hw:
2004         qlcnic_free_hw_resources(adapter);
2005 err_out_free_sw:
2006         qlcnic_free_sw_resources(adapter);
2007 err_out_napi_del:
2008         qlcnic_napi_del(adapter);
2009         return err;
2010 }
2011
2012 void qlcnic_detach(struct qlcnic_adapter *adapter)
2013 {
2014         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2015                 return;
2016
2017         qlcnic_remove_sysfs_entries(adapter);
2018
2019         qlcnic_free_hw_resources(adapter);
2020         qlcnic_release_rx_buffers(adapter);
2021         qlcnic_free_irq(adapter);
2022         qlcnic_napi_del(adapter);
2023         qlcnic_free_sw_resources(adapter);
2024
2025         adapter->is_up = 0;
2026 }
2027
2028 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2029 {
2030         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2031         struct qlcnic_host_sds_ring *sds_ring;
2032         int drv_tx_rings = adapter->drv_tx_rings;
2033         int ring;
2034
2035         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2036         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2037                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2038                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2039                         qlcnic_disable_sds_intr(adapter, sds_ring);
2040                 }
2041         }
2042
2043         qlcnic_fw_destroy_ctx(adapter);
2044
2045         qlcnic_detach(adapter);
2046
2047         adapter->ahw->diag_test = 0;
2048         adapter->drv_sds_rings = drv_sds_rings;
2049         adapter->drv_tx_rings = drv_tx_rings;
2050
2051         if (qlcnic_attach(adapter))
2052                 goto out;
2053
2054         if (netif_running(netdev))
2055                 __qlcnic_up(adapter, netdev);
2056 out:
2057         netif_device_attach(netdev);
2058 }
2059
2060 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2061 {
2062         struct qlcnic_hardware_context *ahw = adapter->ahw;
2063         int err = 0;
2064
2065         adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2066                                 GFP_KERNEL);
2067         if (!adapter->recv_ctx) {
2068                 err = -ENOMEM;
2069                 goto err_out;
2070         }
2071
2072         if (qlcnic_83xx_check(adapter)) {
2073                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2074                 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2075                 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2076                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2077                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2078         } else {
2079                 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2080                 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2081                 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2082         }
2083
2084         /* clear stats */
2085         memset(&adapter->stats, 0, sizeof(adapter->stats));
2086 err_out:
2087         return err;
2088 }
2089
2090 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2091 {
2092         struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2093
2094         kfree(adapter->recv_ctx);
2095         adapter->recv_ctx = NULL;
2096
2097         if (fw_dump->tmpl_hdr) {
2098                 vfree(fw_dump->tmpl_hdr);
2099                 fw_dump->tmpl_hdr = NULL;
2100         }
2101
2102         if (fw_dump->dma_buffer) {
2103                 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2104                                   fw_dump->dma_buffer, fw_dump->phys_addr);
2105                 fw_dump->dma_buffer = NULL;
2106         }
2107
2108         kfree(adapter->ahw->reset.buff);
2109         adapter->ahw->fw_dump.tmpl_hdr = NULL;
2110 }
2111
2112 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2113 {
2114         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2115         struct qlcnic_host_sds_ring *sds_ring;
2116         struct qlcnic_host_rds_ring *rds_ring;
2117         int ring;
2118         int ret;
2119
2120         netif_device_detach(netdev);
2121
2122         if (netif_running(netdev))
2123                 __qlcnic_down(adapter, netdev);
2124
2125         qlcnic_detach(adapter);
2126
2127         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2128         adapter->ahw->diag_test = test;
2129         adapter->ahw->linkup = 0;
2130
2131         ret = qlcnic_attach(adapter);
2132         if (ret) {
2133                 netif_device_attach(netdev);
2134                 return ret;
2135         }
2136
2137         ret = qlcnic_fw_create_ctx(adapter);
2138         if (ret) {
2139                 qlcnic_detach(adapter);
2140                 netif_device_attach(netdev);
2141                 return ret;
2142         }
2143
2144         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2145                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2146                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2147         }
2148
2149         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2150                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2151                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
2152                         qlcnic_enable_sds_intr(adapter, sds_ring);
2153                 }
2154         }
2155
2156         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2157                 adapter->ahw->loopback_state = 0;
2158                 qlcnic_linkevent_request(adapter, 1);
2159         }
2160
2161         set_bit(__QLCNIC_DEV_UP, &adapter->state);
2162
2163         return 0;
2164 }
2165
2166 /* Reset context in hardware only */
2167 static int
2168 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2169 {
2170         struct net_device *netdev = adapter->netdev;
2171
2172         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2173                 return -EBUSY;
2174
2175         netif_device_detach(netdev);
2176
2177         qlcnic_down(adapter, netdev);
2178
2179         qlcnic_up(adapter, netdev);
2180
2181         netif_device_attach(netdev);
2182
2183         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2184         netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2185         return 0;
2186 }
2187
2188 int
2189 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2190 {
2191         int err = 0;
2192         struct net_device *netdev = adapter->netdev;
2193
2194         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2195                 return -EBUSY;
2196
2197         if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2198
2199                 netif_device_detach(netdev);
2200
2201                 if (netif_running(netdev))
2202                         __qlcnic_down(adapter, netdev);
2203
2204                 qlcnic_detach(adapter);
2205
2206                 if (netif_running(netdev)) {
2207                         err = qlcnic_attach(adapter);
2208                         if (!err) {
2209                                 __qlcnic_up(adapter, netdev);
2210                                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2211                         }
2212                 }
2213
2214                 netif_device_attach(netdev);
2215         }
2216
2217         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2218         return err;
2219 }
2220
2221 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2222 {
2223         struct qlcnic_hardware_context *ahw = adapter->ahw;
2224         u16 act_pci_fn = ahw->total_nic_func;
2225         u16 count;
2226
2227         ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2228         if (act_pci_fn <= 2)
2229                 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2230                          act_pci_fn;
2231         else
2232                 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2233                          act_pci_fn;
2234         ahw->max_uc_count = count;
2235 }
2236
2237 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2238                                       u8 tx_queues, u8 rx_queues)
2239 {
2240         struct net_device *netdev = adapter->netdev;
2241         int err = 0;
2242
2243         if (tx_queues) {
2244                 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2245                 if (err) {
2246                         netdev_err(netdev, "failed to set %d Tx queues\n",
2247                                    tx_queues);
2248                         return err;
2249                 }
2250         }
2251
2252         if (rx_queues) {
2253                 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2254                 if (err)
2255                         netdev_err(netdev, "failed to set %d Rx queues\n",
2256                                    rx_queues);
2257         }
2258
2259         return err;
2260 }
2261
2262 int
2263 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2264                     int pci_using_dac)
2265 {
2266         int err;
2267         struct pci_dev *pdev = adapter->pdev;
2268
2269         adapter->rx_csum = 1;
2270         adapter->ahw->mc_enabled = 0;
2271         qlcnic_set_mac_filter_count(adapter);
2272
2273         netdev->netdev_ops         = &qlcnic_netdev_ops;
2274         netdev->watchdog_timeo     = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2275
2276         qlcnic_change_mtu(netdev, netdev->mtu);
2277
2278         netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2279                 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2280
2281         netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2282                              NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2283                              NETIF_F_HW_VLAN_CTAG_RX);
2284         netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2285                                   NETIF_F_IPV6_CSUM);
2286
2287         if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2288                 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2289                 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2290         }
2291
2292         if (pci_using_dac) {
2293                 netdev->features |= NETIF_F_HIGHDMA;
2294                 netdev->vlan_features |= NETIF_F_HIGHDMA;
2295         }
2296
2297         if (qlcnic_vlan_tx_check(adapter))
2298                 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2299
2300         if (qlcnic_sriov_vf_check(adapter))
2301                 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2302
2303         if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2304                 netdev->features |= NETIF_F_LRO;
2305
2306         if (qlcnic_encap_tx_offload(adapter)) {
2307                 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2308
2309                 /* encapsulation Tx offload supported by Adapter */
2310                 netdev->hw_enc_features = NETIF_F_IP_CSUM        |
2311                                           NETIF_F_GSO_UDP_TUNNEL |
2312                                           NETIF_F_TSO            |
2313                                           NETIF_F_TSO6;
2314         }
2315
2316         if (qlcnic_encap_rx_offload(adapter)) {
2317                 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2318
2319                 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels;
2320         }
2321
2322         netdev->hw_features = netdev->features;
2323         netdev->priv_flags |= IFF_UNICAST_FLT;
2324         netdev->irq = adapter->msix_entries[0].vector;
2325
2326         /* MTU range: 68 - 9600 */
2327         netdev->min_mtu = P3P_MIN_MTU;
2328         netdev->max_mtu = P3P_MAX_MTU;
2329
2330         err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2331                                          adapter->drv_sds_rings);
2332         if (err)
2333                 return err;
2334
2335         qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2336
2337         err = register_netdev(netdev);
2338         if (err) {
2339                 dev_err(&pdev->dev, "failed to register net device\n");
2340                 return err;
2341         }
2342
2343         return 0;
2344 }
2345
2346 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2347 {
2348         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2349                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2350                 *pci_using_dac = 1;
2351         else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2352                         !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2353                 *pci_using_dac = 0;
2354         else {
2355                 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2356                 return -EIO;
2357         }
2358
2359         return 0;
2360 }
2361
2362 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2363 {
2364         int ring;
2365         struct qlcnic_host_tx_ring *tx_ring;
2366
2367         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2368                 tx_ring = &adapter->tx_ring[ring];
2369                 if (tx_ring) {
2370                         vfree(tx_ring->cmd_buf_arr);
2371                         tx_ring->cmd_buf_arr = NULL;
2372                 }
2373         }
2374         kfree(adapter->tx_ring);
2375 }
2376
2377 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2378                           struct net_device *netdev)
2379 {
2380         int ring, vector, index;
2381         struct qlcnic_host_tx_ring *tx_ring;
2382         struct qlcnic_cmd_buffer *cmd_buf_arr;
2383
2384         tx_ring = kcalloc(adapter->drv_tx_rings,
2385                           sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2386         if (tx_ring == NULL)
2387                 return -ENOMEM;
2388
2389         adapter->tx_ring = tx_ring;
2390
2391         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2392                 tx_ring = &adapter->tx_ring[ring];
2393                 tx_ring->num_desc = adapter->num_txd;
2394                 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2395                 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2396                 if (cmd_buf_arr == NULL) {
2397                         qlcnic_free_tx_rings(adapter);
2398                         return -ENOMEM;
2399                 }
2400                 tx_ring->cmd_buf_arr = cmd_buf_arr;
2401                 spin_lock_init(&tx_ring->tx_clean_lock);
2402         }
2403
2404         if (qlcnic_83xx_check(adapter) ||
2405             (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2406                 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2407                         tx_ring = &adapter->tx_ring[ring];
2408                         tx_ring->adapter = adapter;
2409                         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2410                                 index = adapter->drv_sds_rings + ring;
2411                                 vector = adapter->msix_entries[index].vector;
2412                                 tx_ring->irq = vector;
2413                         }
2414                 }
2415         }
2416
2417         return 0;
2418 }
2419
2420 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2421 {
2422         struct qlcnic_hardware_context *ahw = adapter->ahw;
2423         u32 fw_cmd = 0;
2424
2425         if (qlcnic_82xx_check(adapter))
2426                 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2427         else if (qlcnic_83xx_check(adapter))
2428                 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2429
2430         if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2431                 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2432 }
2433
2434 /* Reset firmware API lock */
2435 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2436 {
2437         qlcnic_api_lock(adapter);
2438         qlcnic_api_unlock(adapter);
2439 }
2440
2441
2442 static int
2443 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2444 {
2445         struct net_device *netdev = NULL;
2446         struct qlcnic_adapter *adapter = NULL;
2447         struct qlcnic_hardware_context *ahw;
2448         int err, pci_using_dac = -1;
2449         char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2450
2451         err = pci_enable_device(pdev);
2452         if (err)
2453                 return err;
2454
2455         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2456                 err = -ENODEV;
2457                 goto err_out_disable_pdev;
2458         }
2459
2460         err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2461         if (err)
2462                 goto err_out_disable_pdev;
2463
2464         err = pci_request_regions(pdev, qlcnic_driver_name);
2465         if (err)
2466                 goto err_out_disable_pdev;
2467
2468         pci_set_master(pdev);
2469         pci_enable_pcie_error_reporting(pdev);
2470
2471         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2472         if (!ahw) {
2473                 err = -ENOMEM;
2474                 goto err_out_free_res;
2475         }
2476
2477         switch (ent->device) {
2478         case PCI_DEVICE_ID_QLOGIC_QLE824X:
2479                 ahw->hw_ops = &qlcnic_hw_ops;
2480                 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2481                 break;
2482         case PCI_DEVICE_ID_QLOGIC_QLE834X:
2483         case PCI_DEVICE_ID_QLOGIC_QLE8830:
2484         case PCI_DEVICE_ID_QLOGIC_QLE844X:
2485                 qlcnic_83xx_register_map(ahw);
2486                 break;
2487         case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2488         case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2489         case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2490                 qlcnic_sriov_vf_register_map(ahw);
2491                 break;
2492         default:
2493                 err = -EINVAL;
2494                 goto err_out_free_hw_res;
2495         }
2496
2497         err = qlcnic_setup_pci_map(pdev, ahw);
2498         if (err)
2499                 goto err_out_free_hw_res;
2500
2501         netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2502                                    QLCNIC_MAX_TX_RINGS);
2503         if (!netdev) {
2504                 err = -ENOMEM;
2505                 goto err_out_iounmap;
2506         }
2507
2508         SET_NETDEV_DEV(netdev, &pdev->dev);
2509
2510         adapter = netdev_priv(netdev);
2511         adapter->netdev  = netdev;
2512         adapter->pdev    = pdev;
2513         adapter->ahw = ahw;
2514
2515         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2516         if (adapter->qlcnic_wq == NULL) {
2517                 err = -ENOMEM;
2518                 dev_err(&pdev->dev, "Failed to create workqueue\n");
2519                 goto err_out_free_netdev;
2520         }
2521
2522         err = qlcnic_alloc_adapter_resources(adapter);
2523         if (err)
2524                 goto err_out_free_wq;
2525
2526         adapter->dev_rst_time = jiffies;
2527         ahw->revision_id = pdev->revision;
2528         ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2529         if (qlcnic_mac_learn == FDB_MAC_LEARN)
2530                 adapter->fdb_mac_learn = true;
2531         else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2532                 adapter->drv_mac_learn = true;
2533
2534         rwlock_init(&adapter->ahw->crb_lock);
2535         mutex_init(&adapter->ahw->mem_lock);
2536
2537         INIT_LIST_HEAD(&adapter->mac_list);
2538
2539         qlcnic_register_dcb(adapter);
2540
2541         if (qlcnic_82xx_check(adapter)) {
2542                 qlcnic_check_vf(adapter, ent);
2543                 adapter->portnum = adapter->ahw->pci_func;
2544                 qlcnic_reset_api_lock(adapter);
2545                 err = qlcnic_start_firmware(adapter);
2546                 if (err) {
2547                         dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2548                                 "\t\tIf reboot doesn't help, try flashing the card\n");
2549                         goto err_out_maintenance_mode;
2550                 }
2551
2552                 /* compute and set default and max tx/sds rings */
2553                 if (adapter->ahw->msix_supported) {
2554                         if (qlcnic_check_multi_tx_capability(adapter) == 1)
2555                                 qlcnic_set_tx_ring_count(adapter,
2556                                                          QLCNIC_SINGLE_RING);
2557                         else
2558                                 qlcnic_set_tx_ring_count(adapter,
2559                                                          QLCNIC_DEF_TX_RINGS);
2560                         qlcnic_set_sds_ring_count(adapter,
2561                                                   QLCNIC_DEF_SDS_RINGS);
2562                 } else {
2563                         qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2564                         qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2565                 }
2566
2567                 err = qlcnic_setup_idc_param(adapter);
2568                 if (err)
2569                         goto err_out_free_hw;
2570
2571                 adapter->flags |= QLCNIC_NEED_FLR;
2572
2573         } else if (qlcnic_83xx_check(adapter)) {
2574                 qlcnic_83xx_check_vf(adapter, ent);
2575                 adapter->portnum = adapter->ahw->pci_func;
2576                 err = qlcnic_83xx_init(adapter, pci_using_dac);
2577                 if (err) {
2578                         switch (err) {
2579                         case -ENOTRECOVERABLE:
2580                                 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2581                                 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2582                                 goto err_out_free_hw;
2583                         case -ENOMEM:
2584                                 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2585                                 goto err_out_free_hw;
2586                         case -EOPNOTSUPP:
2587                                 dev_err(&pdev->dev, "Adapter initialization failed\n");
2588                                 goto err_out_free_hw;
2589                         default:
2590                                 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2591                                 goto err_out_maintenance_mode;
2592                         }
2593                 }
2594
2595                 if (qlcnic_sriov_vf_check(adapter))
2596                         return 0;
2597         } else {
2598                 dev_err(&pdev->dev,
2599                         "%s: failed. Please Reboot\n", __func__);
2600                 err = -ENODEV;
2601                 goto err_out_free_hw;
2602         }
2603
2604         if (qlcnic_read_mac_addr(adapter))
2605                 dev_warn(&pdev->dev, "failed to read mac addr\n");
2606
2607         qlcnic_read_phys_port_id(adapter);
2608
2609         if (adapter->portnum == 0) {
2610                 qlcnic_get_board_name(adapter, board_name);
2611
2612                 pr_info("%s: %s Board Chip rev 0x%x\n",
2613                         module_name(THIS_MODULE),
2614                         board_name, adapter->ahw->revision_id);
2615         }
2616
2617         if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2618             !!qlcnic_use_msi)
2619                 dev_warn(&pdev->dev,
2620                          "Device does not support MSI interrupts\n");
2621
2622         if (qlcnic_82xx_check(adapter)) {
2623                 qlcnic_dcb_enable(adapter->dcb);
2624                 qlcnic_dcb_get_info(adapter->dcb);
2625                 err = qlcnic_setup_intr(adapter);
2626
2627                 if (err) {
2628                         dev_err(&pdev->dev, "Failed to setup interrupt\n");
2629                         goto err_out_disable_msi;
2630                 }
2631         }
2632
2633         err = qlcnic_get_act_pci_func(adapter);
2634         if (err)
2635                 goto err_out_disable_mbx_intr;
2636
2637         if (adapter->portnum == 0)
2638                 qlcnic_set_drv_version(adapter);
2639
2640         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2641         if (err)
2642                 goto err_out_disable_mbx_intr;
2643
2644         pci_set_drvdata(pdev, adapter);
2645
2646         if (qlcnic_82xx_check(adapter))
2647                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2648                                      FW_POLL_DELAY);
2649
2650         switch (adapter->ahw->port_type) {
2651         case QLCNIC_GBE:
2652                 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2653                                 adapter->netdev->name);
2654                 break;
2655         case QLCNIC_XGBE:
2656                 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2657                                 adapter->netdev->name);
2658                 break;
2659         }
2660
2661         if (adapter->drv_mac_learn)
2662                 qlcnic_alloc_lb_filters_mem(adapter);
2663
2664         qlcnic_add_sysfs(adapter);
2665         qlcnic_register_hwmon_dev(adapter);
2666         return 0;
2667
2668 err_out_disable_mbx_intr:
2669         if (qlcnic_83xx_check(adapter))
2670                 qlcnic_83xx_free_mbx_intr(adapter);
2671
2672 err_out_disable_msi:
2673         qlcnic_teardown_intr(adapter);
2674         qlcnic_cancel_idc_work(adapter);
2675         qlcnic_clr_all_drv_state(adapter, 0);
2676
2677 err_out_free_hw:
2678         qlcnic_free_adapter_resources(adapter);
2679
2680 err_out_free_wq:
2681         destroy_workqueue(adapter->qlcnic_wq);
2682
2683 err_out_free_netdev:
2684         free_netdev(netdev);
2685
2686 err_out_iounmap:
2687         qlcnic_cleanup_pci_map(ahw);
2688
2689 err_out_free_hw_res:
2690         kfree(ahw);
2691
2692 err_out_free_res:
2693         pci_disable_pcie_error_reporting(pdev);
2694         pci_release_regions(pdev);
2695
2696 err_out_disable_pdev:
2697         pci_disable_device(pdev);
2698         return err;
2699
2700 err_out_maintenance_mode:
2701         set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2702         netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2703         netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2704         ahw->port_type = QLCNIC_XGBE;
2705
2706         if (qlcnic_83xx_check(adapter))
2707                 adapter->tgt_status_reg = NULL;
2708         else
2709                 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2710
2711         err = register_netdev(netdev);
2712
2713         if (err) {
2714                 dev_err(&pdev->dev, "Failed to register net device\n");
2715                 qlcnic_clr_all_drv_state(adapter, 0);
2716                 goto err_out_free_hw;
2717         }
2718
2719         pci_set_drvdata(pdev, adapter);
2720         qlcnic_add_sysfs(adapter);
2721
2722         return 0;
2723 }
2724
2725 static void qlcnic_remove(struct pci_dev *pdev)
2726 {
2727         struct qlcnic_adapter *adapter;
2728         struct net_device *netdev;
2729         struct qlcnic_hardware_context *ahw;
2730
2731         adapter = pci_get_drvdata(pdev);
2732         if (adapter == NULL)
2733                 return;
2734
2735         netdev = adapter->netdev;
2736
2737         qlcnic_cancel_idc_work(adapter);
2738         qlcnic_sriov_pf_disable(adapter);
2739         ahw = adapter->ahw;
2740
2741         unregister_netdev(netdev);
2742         qlcnic_sriov_cleanup(adapter);
2743
2744         if (qlcnic_83xx_check(adapter)) {
2745                 qlcnic_83xx_initialize_nic(adapter, 0);
2746                 cancel_delayed_work_sync(&adapter->idc_aen_work);
2747                 qlcnic_83xx_free_mbx_intr(adapter);
2748                 qlcnic_83xx_detach_mailbox_work(adapter);
2749                 qlcnic_83xx_free_mailbox(ahw->mailbox);
2750                 kfree(ahw->fw_info);
2751         }
2752
2753         qlcnic_dcb_free(adapter->dcb);
2754         qlcnic_detach(adapter);
2755         kfree(adapter->npars);
2756         kfree(adapter->eswitch);
2757
2758         if (qlcnic_82xx_check(adapter))
2759                 qlcnic_clr_all_drv_state(adapter, 0);
2760
2761         clear_bit(__QLCNIC_RESETTING, &adapter->state);
2762
2763         qlcnic_free_lb_filters_mem(adapter);
2764
2765         qlcnic_teardown_intr(adapter);
2766
2767         qlcnic_remove_sysfs(adapter);
2768
2769         qlcnic_unregister_hwmon_dev(adapter);
2770
2771         qlcnic_cleanup_pci_map(adapter->ahw);
2772
2773         qlcnic_release_firmware(adapter);
2774
2775         pci_disable_pcie_error_reporting(pdev);
2776         pci_release_regions(pdev);
2777         pci_disable_device(pdev);
2778
2779         if (adapter->qlcnic_wq) {
2780                 destroy_workqueue(adapter->qlcnic_wq);
2781                 adapter->qlcnic_wq = NULL;
2782         }
2783
2784         qlcnic_free_adapter_resources(adapter);
2785         kfree(ahw);
2786         free_netdev(netdev);
2787 }
2788
2789 static void qlcnic_shutdown(struct pci_dev *pdev)
2790 {
2791         if (__qlcnic_shutdown(pdev))
2792                 return;
2793
2794         pci_disable_device(pdev);
2795 }
2796
2797 static int __maybe_unused qlcnic_suspend(struct device *dev_d)
2798 {
2799         return __qlcnic_shutdown(to_pci_dev(dev_d));
2800 }
2801
2802 static int __maybe_unused qlcnic_resume(struct device *dev_d)
2803 {
2804         struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d);
2805
2806         return  __qlcnic_resume(adapter);
2807 }
2808
2809 static int qlcnic_open(struct net_device *netdev)
2810 {
2811         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2812         int err;
2813
2814         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2815                 netdev_err(netdev, "%s: Device is in non-operational state\n",
2816                            __func__);
2817
2818                 return -EIO;
2819         }
2820
2821         netif_carrier_off(netdev);
2822
2823         err = qlcnic_attach(adapter);
2824         if (err)
2825                 return err;
2826
2827         err = __qlcnic_up(adapter, netdev);
2828         if (err)
2829                 qlcnic_detach(adapter);
2830
2831         return err;
2832 }
2833
2834 /*
2835  * qlcnic_close - Disables a network interface entry point
2836  */
2837 static int qlcnic_close(struct net_device *netdev)
2838 {
2839         struct qlcnic_adapter *adapter = netdev_priv(netdev);
2840
2841         __qlcnic_down(adapter, netdev);
2842
2843         return 0;
2844 }
2845
2846 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2847
2848 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2849 {
2850         void *head;
2851         int i;
2852         struct net_device *netdev = adapter->netdev;
2853         u32 filter_size = 0;
2854         u16 act_pci_func = 0;
2855
2856         if (adapter->fhash.fmax && adapter->fhash.fhead)
2857                 return;
2858
2859         act_pci_func = adapter->ahw->total_nic_func;
2860         spin_lock_init(&adapter->mac_learn_lock);
2861         spin_lock_init(&adapter->rx_mac_learn_lock);
2862
2863         if (qlcnic_sriov_vf_check(adapter)) {
2864                 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2865                 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2866         } else if (qlcnic_82xx_check(adapter)) {
2867                 filter_size = QLCNIC_LB_MAX_FILTERS;
2868                 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2869         } else {
2870                 filter_size = QLC_83XX_LB_MAX_FILTERS;
2871                 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2872         }
2873
2874         head = kcalloc(adapter->fhash.fbucket_size,
2875                        sizeof(struct hlist_head), GFP_ATOMIC);
2876
2877         if (!head)
2878                 return;
2879
2880         adapter->fhash.fmax = (filter_size / act_pci_func);
2881         adapter->fhash.fhead = head;
2882
2883         netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2884                     act_pci_func, adapter->fhash.fmax);
2885
2886         for (i = 0; i < adapter->fhash.fbucket_size; i++)
2887                 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2888
2889         adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2890
2891         head = kcalloc(adapter->rx_fhash.fbucket_size,
2892                        sizeof(struct hlist_head), GFP_ATOMIC);
2893
2894         if (!head)
2895                 return;
2896
2897         adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2898         adapter->rx_fhash.fhead = head;
2899
2900         for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2901                 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2902 }
2903
2904 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2905 {
2906         if (adapter->fhash.fmax)
2907                 kfree(adapter->fhash.fhead);
2908
2909         adapter->fhash.fhead = NULL;
2910         adapter->fhash.fmax = 0;
2911
2912         if (adapter->rx_fhash.fmax)
2913                 kfree(adapter->rx_fhash.fhead);
2914
2915         adapter->rx_fhash.fmax = 0;
2916         adapter->rx_fhash.fhead = NULL;
2917 }
2918
2919 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2920 {
2921         struct net_device *netdev = adapter->netdev;
2922         u32 temp_state, temp_val, temp = 0;
2923         int rv = 0;
2924
2925         if (qlcnic_83xx_check(adapter))
2926                 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2927
2928         if (qlcnic_82xx_check(adapter))
2929                 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2930
2931         temp_state = qlcnic_get_temp_state(temp);
2932         temp_val = qlcnic_get_temp_val(temp);
2933
2934         if (temp_state == QLCNIC_TEMP_PANIC) {
2935                 dev_err(&netdev->dev,
2936                        "Device temperature %d degrees C exceeds"
2937                        " maximum allowed. Hardware has been shut down.\n",
2938                        temp_val);
2939                 rv = 1;
2940         } else if (temp_state == QLCNIC_TEMP_WARN) {
2941                 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2942                         dev_err(&netdev->dev,
2943                                "Device temperature %d degrees C "
2944                                "exceeds operating range."
2945                                " Immediate action needed.\n",
2946                                temp_val);
2947                 }
2948         } else {
2949                 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2950                         dev_info(&netdev->dev,
2951                                "Device temperature is now %d degrees C"
2952                                " in normal range.\n", temp_val);
2953                 }
2954         }
2955         adapter->ahw->temp = temp_state;
2956         return rv;
2957 }
2958
2959 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2960 {
2961         int i;
2962
2963         for (i = 0; i < tx_ring->num_desc; i++) {
2964                 pr_info("TX Desc: %d\n", i);
2965                 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2966                                &tx_ring->desc_head[i],
2967                                sizeof(struct cmd_desc_type0), true);
2968         }
2969 }
2970
2971 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
2972 {
2973         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2974         struct net_device *netdev = adapter->netdev;
2975         struct qlcnic_host_rds_ring *rds_ring;
2976         struct qlcnic_host_sds_ring *sds_ring;
2977         struct qlcnic_host_tx_ring *tx_ring;
2978         int ring;
2979
2980         if (!netdev || !netif_running(netdev))
2981                 return;
2982
2983         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2984                 rds_ring = &recv_ctx->rds_rings[ring];
2985                 if (!rds_ring)
2986                         continue;
2987                 netdev_info(netdev,
2988                             "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
2989                              ring, readl(rds_ring->crb_rcv_producer),
2990                              rds_ring->producer, rds_ring->num_desc);
2991         }
2992
2993         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2994                 sds_ring = &(recv_ctx->sds_rings[ring]);
2995                 if (!sds_ring)
2996                         continue;
2997                 netdev_info(netdev,
2998                             "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
2999                             ring, readl(sds_ring->crb_sts_consumer),
3000                             sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3001                             sds_ring->num_desc);
3002         }
3003
3004         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3005                 tx_ring = &adapter->tx_ring[ring];
3006                 if (!tx_ring)
3007                         continue;
3008                 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3009                             ring, tx_ring->ctx_id);
3010                 netdev_info(netdev,
3011                             "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3012                             tx_ring->tx_stats.xmit_finished,
3013                             tx_ring->tx_stats.xmit_called,
3014                             tx_ring->tx_stats.xmit_on,
3015                             tx_ring->tx_stats.xmit_off);
3016
3017                 if (tx_ring->crb_intr_mask)
3018                         netdev_info(netdev, "crb_intr_mask=%d\n",
3019                                     readl(tx_ring->crb_intr_mask));
3020
3021                 netdev_info(netdev,
3022                             "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3023                             readl(tx_ring->crb_cmd_producer),
3024                             tx_ring->producer, tx_ring->sw_consumer,
3025                             le32_to_cpu(*(tx_ring->hw_consumer)));
3026
3027                 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3028                             tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3029
3030                 if (netif_msg_tx_err(adapter->ahw))
3031                         dump_tx_ring_desc(tx_ring);
3032         }
3033
3034 }
3035
3036 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
3037 {
3038         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3039
3040         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3041                 return;
3042
3043         qlcnic_dump_rings(adapter);
3044
3045         if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3046             netif_msg_tx_err(adapter->ahw)) {
3047                 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3048                 if (qlcnic_82xx_check(adapter))
3049                         adapter->need_fw_reset = 1;
3050                 else if (qlcnic_83xx_check(adapter))
3051                         qlcnic_83xx_idc_request_reset(adapter,
3052                                                       QLCNIC_FORCE_FW_DUMP_KEY);
3053         } else {
3054                 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3055                 adapter->ahw->reset_context = 1;
3056         }
3057 }
3058
3059 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3060 {
3061         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3062         struct net_device_stats *stats = &netdev->stats;
3063
3064         if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3065                 qlcnic_update_stats(adapter);
3066
3067         stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3068         stats->tx_packets = adapter->stats.xmitfinished;
3069         stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3070         stats->tx_bytes = adapter->stats.txbytes;
3071         stats->rx_dropped = adapter->stats.rxdropped;
3072         stats->tx_dropped = adapter->stats.txdropped;
3073
3074         return stats;
3075 }
3076
3077 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3078 {
3079         u32 status;
3080
3081         status = readl(adapter->isr_int_vec);
3082
3083         if (!(status & adapter->ahw->int_vec_bit))
3084                 return IRQ_NONE;
3085
3086         /* check interrupt state machine, to be sure */
3087         status = readl(adapter->crb_int_state_reg);
3088         if (!ISR_LEGACY_INT_TRIGGERED(status))
3089                 return IRQ_NONE;
3090
3091         writel(0xffffffff, adapter->tgt_status_reg);
3092         /* read twice to ensure write is flushed */
3093         readl(adapter->isr_int_vec);
3094         readl(adapter->isr_int_vec);
3095
3096         return IRQ_HANDLED;
3097 }
3098
3099 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3100 {
3101         struct qlcnic_host_sds_ring *sds_ring = data;
3102         struct qlcnic_adapter *adapter = sds_ring->adapter;
3103
3104         if (adapter->flags & QLCNIC_MSIX_ENABLED)
3105                 goto done;
3106         else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3107                 writel(0xffffffff, adapter->tgt_status_reg);
3108                 goto done;
3109         }
3110
3111         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3112                 return IRQ_NONE;
3113
3114 done:
3115         adapter->ahw->diag_cnt++;
3116         qlcnic_enable_sds_intr(adapter, sds_ring);
3117         return IRQ_HANDLED;
3118 }
3119
3120 static irqreturn_t qlcnic_intr(int irq, void *data)
3121 {
3122         struct qlcnic_host_sds_ring *sds_ring = data;
3123         struct qlcnic_adapter *adapter = sds_ring->adapter;
3124
3125         if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3126                 return IRQ_NONE;
3127
3128         napi_schedule(&sds_ring->napi);
3129
3130         return IRQ_HANDLED;
3131 }
3132
3133 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3134 {
3135         struct qlcnic_host_sds_ring *sds_ring = data;
3136         struct qlcnic_adapter *adapter = sds_ring->adapter;
3137
3138         /* clear interrupt */
3139         writel(0xffffffff, adapter->tgt_status_reg);
3140
3141         napi_schedule(&sds_ring->napi);
3142         return IRQ_HANDLED;
3143 }
3144
3145 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3146 {
3147         struct qlcnic_host_sds_ring *sds_ring = data;
3148
3149         napi_schedule(&sds_ring->napi);
3150         return IRQ_HANDLED;
3151 }
3152
3153 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3154 {
3155         struct qlcnic_host_tx_ring *tx_ring = data;
3156
3157         napi_schedule(&tx_ring->napi);
3158         return IRQ_HANDLED;
3159 }
3160
3161 static void
3162 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3163 {
3164         u32 val;
3165
3166         val = adapter->portnum & 0xf;
3167         val |= encoding << 7;
3168         val |= (jiffies - adapter->dev_rst_time) << 8;
3169
3170         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3171         adapter->dev_rst_time = jiffies;
3172 }
3173
3174 static int
3175 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3176 {
3177         u32  val;
3178
3179         WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3180                         state != QLCNIC_DEV_NEED_QUISCENT);
3181
3182         if (qlcnic_api_lock(adapter))
3183                 return -EIO;
3184
3185         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3186
3187         if (state == QLCNIC_DEV_NEED_RESET)
3188                 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3189         else if (state == QLCNIC_DEV_NEED_QUISCENT)
3190                 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3191
3192         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3193
3194         qlcnic_api_unlock(adapter);
3195
3196         return 0;
3197 }
3198
3199 static int
3200 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3201 {
3202         u32  val;
3203
3204         if (qlcnic_api_lock(adapter))
3205                 return -EBUSY;
3206
3207         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3208         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3209         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3210
3211         qlcnic_api_unlock(adapter);
3212
3213         return 0;
3214 }
3215
3216 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3217 {
3218         u32  val;
3219
3220         if (qlcnic_api_lock(adapter))
3221                 goto err;
3222
3223         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3224         QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3225         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3226
3227         if (failed) {
3228                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3229                                     QLCNIC_DEV_FAILED);
3230                 dev_info(&adapter->pdev->dev,
3231                                 "Device state set to Failed. Please Reboot\n");
3232         } else if (!(val & 0x11111111))
3233                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3234                                     QLCNIC_DEV_COLD);
3235
3236         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3237         QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3238         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3239
3240         qlcnic_api_unlock(adapter);
3241 err:
3242         adapter->fw_fail_cnt = 0;
3243         adapter->flags &= ~QLCNIC_FW_HANG;
3244         clear_bit(__QLCNIC_START_FW, &adapter->state);
3245         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3246 }
3247
3248 /* Grab api lock, before checking state */
3249 static int
3250 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3251 {
3252         int act, state, active_mask;
3253         struct qlcnic_hardware_context *ahw = adapter->ahw;
3254
3255         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3256         act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3257
3258         if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3259                 active_mask = (~(1 << (ahw->pci_func * 4)));
3260                 act = act & active_mask;
3261         }
3262
3263         if (((state & 0x11111111) == (act & 0x11111111)) ||
3264                         ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3265                 return 0;
3266         else
3267                 return 1;
3268 }
3269
3270 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3271 {
3272         u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3273
3274         if (val != QLCNIC_DRV_IDC_VER) {
3275                 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3276                         " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3277         }
3278
3279         return 0;
3280 }
3281
3282 static int
3283 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3284 {
3285         u32 val, prev_state;
3286         u8 dev_init_timeo = adapter->dev_init_timeo;
3287         u8 portnum = adapter->portnum;
3288         u8 ret;
3289
3290         if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3291                 return 1;
3292
3293         if (qlcnic_api_lock(adapter))
3294                 return -1;
3295
3296         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3297         if (!(val & (1 << (portnum * 4)))) {
3298                 QLC_DEV_SET_REF_CNT(val, portnum);
3299                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3300         }
3301
3302         prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3303         QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3304
3305         switch (prev_state) {
3306         case QLCNIC_DEV_COLD:
3307                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3308                                     QLCNIC_DEV_INITIALIZING);
3309                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3310                                     QLCNIC_DRV_IDC_VER);
3311                 qlcnic_idc_debug_info(adapter, 0);
3312                 qlcnic_api_unlock(adapter);
3313                 return 1;
3314
3315         case QLCNIC_DEV_READY:
3316                 ret = qlcnic_check_idc_ver(adapter);
3317                 qlcnic_api_unlock(adapter);
3318                 return ret;
3319
3320         case QLCNIC_DEV_NEED_RESET:
3321                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3322                 QLC_DEV_SET_RST_RDY(val, portnum);
3323                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3324                 break;
3325
3326         case QLCNIC_DEV_NEED_QUISCENT:
3327                 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3328                 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3329                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3330                 break;
3331
3332         case QLCNIC_DEV_FAILED:
3333                 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3334                 qlcnic_api_unlock(adapter);
3335                 return -1;
3336
3337         case QLCNIC_DEV_INITIALIZING:
3338         case QLCNIC_DEV_QUISCENT:
3339                 break;
3340         }
3341
3342         qlcnic_api_unlock(adapter);
3343
3344         do {
3345                 msleep(1000);
3346                 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3347
3348                 if (prev_state == QLCNIC_DEV_QUISCENT)
3349                         continue;
3350         } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3351
3352         if (!dev_init_timeo) {
3353                 dev_err(&adapter->pdev->dev,
3354                         "Waiting for device to initialize timeout\n");
3355                 return -1;
3356         }
3357
3358         if (qlcnic_api_lock(adapter))
3359                 return -1;
3360
3361         val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3362         QLC_DEV_CLR_RST_QSCNT(val, portnum);
3363         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3364
3365         ret = qlcnic_check_idc_ver(adapter);
3366         qlcnic_api_unlock(adapter);
3367
3368         return ret;
3369 }
3370
3371 static void
3372 qlcnic_fwinit_work(struct work_struct *work)
3373 {
3374         struct qlcnic_adapter *adapter = container_of(work,
3375                         struct qlcnic_adapter, fw_work.work);
3376         u32 dev_state = 0xf;
3377         u32 val;
3378
3379         if (qlcnic_api_lock(adapter))
3380                 goto err_ret;
3381
3382         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3383         if (dev_state == QLCNIC_DEV_QUISCENT ||
3384             dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3385                 qlcnic_api_unlock(adapter);
3386                 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3387                                                 FW_POLL_DELAY * 2);
3388                 return;
3389         }
3390
3391         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3392                 qlcnic_api_unlock(adapter);
3393                 goto wait_npar;
3394         }
3395
3396         if (dev_state == QLCNIC_DEV_INITIALIZING ||
3397             dev_state == QLCNIC_DEV_READY) {
3398                 dev_info(&adapter->pdev->dev, "Detected state change from "
3399                                 "DEV_NEED_RESET, skipping ack check\n");
3400                 goto skip_ack_check;
3401         }
3402
3403         if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3404                 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3405                                         adapter->reset_ack_timeo);
3406                 goto skip_ack_check;
3407         }
3408
3409         if (!qlcnic_check_drv_state(adapter)) {
3410 skip_ack_check:
3411                 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3412
3413                 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3414                         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3415                                             QLCNIC_DEV_INITIALIZING);
3416                         set_bit(__QLCNIC_START_FW, &adapter->state);
3417                         QLCDB(adapter, DRV, "Restarting fw\n");
3418                         qlcnic_idc_debug_info(adapter, 0);
3419                         val = QLC_SHARED_REG_RD32(adapter,
3420                                                   QLCNIC_CRB_DRV_STATE);
3421                         QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3422                         QLC_SHARED_REG_WR32(adapter,
3423                                             QLCNIC_CRB_DRV_STATE, val);
3424                 }
3425
3426                 qlcnic_api_unlock(adapter);
3427
3428                 rtnl_lock();
3429                 if (qlcnic_check_fw_dump_state(adapter) &&
3430                     (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3431                         QLCDB(adapter, DRV, "Take FW dump\n");
3432                         qlcnic_dump_fw(adapter);
3433                         adapter->flags |= QLCNIC_FW_HANG;
3434                 }
3435                 rtnl_unlock();
3436
3437                 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3438                 if (!adapter->nic_ops->start_firmware(adapter)) {
3439                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3440                         adapter->fw_wait_cnt = 0;
3441                         return;
3442                 }
3443                 goto err_ret;
3444         }
3445
3446         qlcnic_api_unlock(adapter);
3447
3448 wait_npar:
3449         dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3450         QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3451
3452         switch (dev_state) {
3453         case QLCNIC_DEV_READY:
3454                 if (!qlcnic_start_firmware(adapter)) {
3455                         qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3456                         adapter->fw_wait_cnt = 0;
3457                         return;
3458                 }
3459         case QLCNIC_DEV_FAILED:
3460                 break;
3461         default:
3462                 qlcnic_schedule_work(adapter,
3463                         qlcnic_fwinit_work, FW_POLL_DELAY);
3464                 return;
3465         }
3466
3467 err_ret:
3468         dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3469                 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3470         netif_device_attach(adapter->netdev);
3471         qlcnic_clr_all_drv_state(adapter, 0);
3472 }
3473
3474 static void
3475 qlcnic_detach_work(struct work_struct *work)
3476 {
3477         struct qlcnic_adapter *adapter = container_of(work,
3478                         struct qlcnic_adapter, fw_work.work);
3479         struct net_device *netdev = adapter->netdev;
3480         u32 status;
3481
3482         netif_device_detach(netdev);
3483
3484         /* Dont grab rtnl lock during Quiscent mode */
3485         if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3486                 if (netif_running(netdev))
3487                         __qlcnic_down(adapter, netdev);
3488         } else
3489                 qlcnic_down(adapter, netdev);
3490
3491         status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3492
3493         if (status & QLCNIC_RCODE_FATAL_ERROR) {
3494                 dev_err(&adapter->pdev->dev,
3495                         "Detaching the device: peg halt status1=0x%x\n",
3496                                         status);
3497
3498                 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3499                         dev_err(&adapter->pdev->dev,
3500                         "On board active cooling fan failed. "
3501                                 "Device has been halted.\n");
3502                         dev_err(&adapter->pdev->dev,
3503                                 "Replace the adapter.\n");
3504                 }
3505
3506                 goto err_ret;
3507         }
3508
3509         if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3510                 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3511                         adapter->ahw->temp);
3512                 goto err_ret;
3513         }
3514
3515         /* Dont ack if this instance is the reset owner */
3516         if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3517                 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3518                         dev_err(&adapter->pdev->dev,
3519                                 "Failed to set driver state,"
3520                                         "detaching the device.\n");
3521                         goto err_ret;
3522                 }
3523         }
3524
3525         adapter->fw_wait_cnt = 0;
3526
3527         qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3528
3529         return;
3530
3531 err_ret:
3532         netif_device_attach(netdev);
3533         qlcnic_clr_all_drv_state(adapter, 1);
3534 }
3535
3536 /*Transit NPAR state to NON Operational */
3537 static void
3538 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3539 {
3540         u32 state;
3541
3542         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3543         if (state == QLCNIC_DEV_NPAR_NON_OPER)
3544                 return;
3545
3546         if (qlcnic_api_lock(adapter))
3547                 return;
3548         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3549                             QLCNIC_DEV_NPAR_NON_OPER);
3550         qlcnic_api_unlock(adapter);
3551 }
3552
3553 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3554                                           u32 key)
3555 {
3556         u32 state, xg_val = 0, gb_val = 0;
3557
3558         qlcnic_xg_set_xg0_mask(xg_val);
3559         qlcnic_xg_set_xg1_mask(xg_val);
3560         QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3561         qlcnic_gb_set_gb0_mask(gb_val);
3562         qlcnic_gb_set_gb1_mask(gb_val);
3563         qlcnic_gb_set_gb2_mask(gb_val);
3564         qlcnic_gb_set_gb3_mask(gb_val);
3565         QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3566         dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3567                                 " on all ports\n");
3568         adapter->need_fw_reset = 1;
3569
3570         if (qlcnic_api_lock(adapter))
3571                 return;
3572
3573         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3574
3575         if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3576                 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3577                            __func__);
3578                 qlcnic_api_unlock(adapter);
3579
3580                 return;
3581         }
3582
3583         if (state == QLCNIC_DEV_READY) {
3584                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3585                                     QLCNIC_DEV_NEED_RESET);
3586                 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3587                 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3588                 qlcnic_idc_debug_info(adapter, 0);
3589         }
3590
3591         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3592                             QLCNIC_DEV_NPAR_NON_OPER);
3593         qlcnic_api_unlock(adapter);
3594 }
3595
3596 /* Transit to NPAR READY state from NPAR NOT READY state */
3597 static void
3598 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3599 {
3600         if (qlcnic_api_lock(adapter))
3601                 return;
3602
3603         QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3604                             QLCNIC_DEV_NPAR_OPER);
3605         QLCDB(adapter, DRV, "NPAR operational state set\n");
3606
3607         qlcnic_api_unlock(adapter);
3608 }
3609
3610 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3611                           work_func_t func, int delay)
3612 {
3613         if (test_bit(__QLCNIC_AER, &adapter->state))
3614                 return;
3615
3616         INIT_DELAYED_WORK(&adapter->fw_work, func);
3617         queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3618                            round_jiffies_relative(delay));
3619 }
3620
3621 static void
3622 qlcnic_attach_work(struct work_struct *work)
3623 {
3624         struct qlcnic_adapter *adapter = container_of(work,
3625                                 struct qlcnic_adapter, fw_work.work);
3626         struct net_device *netdev = adapter->netdev;
3627         u32 npar_state;
3628
3629         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3630                 npar_state = QLC_SHARED_REG_RD32(adapter,
3631                                                  QLCNIC_CRB_DEV_NPAR_STATE);
3632                 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3633                         qlcnic_clr_all_drv_state(adapter, 0);
3634                 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3635                         qlcnic_schedule_work(adapter, qlcnic_attach_work,
3636                                                         FW_POLL_DELAY);
3637                 else
3638                         goto attach;
3639                 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3640                 return;
3641         }
3642 attach:
3643         qlcnic_dcb_get_info(adapter->dcb);
3644
3645         if (netif_running(netdev)) {
3646                 if (qlcnic_up(adapter, netdev))
3647                         goto done;
3648
3649                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3650         }
3651
3652 done:
3653         netif_device_attach(netdev);
3654         adapter->fw_fail_cnt = 0;
3655         adapter->flags &= ~QLCNIC_FW_HANG;
3656         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3657         if (adapter->portnum == 0)
3658                 qlcnic_set_drv_version(adapter);
3659
3660         if (!qlcnic_clr_drv_state(adapter))
3661                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3662                                                         FW_POLL_DELAY);
3663 }
3664
3665 static int
3666 qlcnic_check_health(struct qlcnic_adapter *adapter)
3667 {
3668         struct qlcnic_hardware_context *ahw = adapter->ahw;
3669         struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3670         u32 state = 0, heartbeat;
3671         u32 peg_status;
3672         int err = 0;
3673
3674         if (qlcnic_check_temp(adapter))
3675                 goto detach;
3676
3677         if (adapter->need_fw_reset)
3678                 qlcnic_dev_request_reset(adapter, 0);
3679
3680         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3681         if (state == QLCNIC_DEV_NEED_RESET) {
3682                 qlcnic_set_npar_non_operational(adapter);
3683                 adapter->need_fw_reset = 1;
3684         } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3685                 goto detach;
3686
3687         heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3688         if (heartbeat != adapter->heartbeat) {
3689                 adapter->heartbeat = heartbeat;
3690                 adapter->fw_fail_cnt = 0;
3691                 if (adapter->need_fw_reset)
3692                         goto detach;
3693
3694                 if (ahw->reset_context && qlcnic_auto_fw_reset)
3695                         qlcnic_reset_hw_context(adapter);
3696
3697                 return 0;
3698         }
3699
3700         if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3701                 return 0;
3702
3703         adapter->flags |= QLCNIC_FW_HANG;
3704
3705         qlcnic_dev_request_reset(adapter, 0);
3706
3707         if (qlcnic_auto_fw_reset)
3708                 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3709
3710         dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3711         peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3712         dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3713                         "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3714                         "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3715                         "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3716                         "PEG_NET_4_PC: 0x%x\n",
3717                         peg_status,
3718                         QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3719                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3720                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3721                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3722                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3723                         QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3724         if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3725                 dev_err(&adapter->pdev->dev,
3726                         "Firmware aborted with error code 0x00006700. "
3727                                 "Device is being reset.\n");
3728 detach:
3729         adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3730                 QLCNIC_DEV_NEED_RESET;
3731
3732         if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3733                                                       &adapter->state)) {
3734
3735                 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3736                 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3737         } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3738                    adapter->flags & QLCNIC_FW_RESET_OWNER) {
3739                 qlcnic_dump_fw(adapter);
3740         }
3741
3742         return 1;
3743 }
3744
3745 void qlcnic_fw_poll_work(struct work_struct *work)
3746 {
3747         struct qlcnic_adapter *adapter = container_of(work,
3748                                 struct qlcnic_adapter, fw_work.work);
3749
3750         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3751                 goto reschedule;
3752
3753
3754         if (qlcnic_check_health(adapter))
3755                 return;
3756
3757         if (adapter->fhash.fnum)
3758                 qlcnic_prune_lb_filters(adapter);
3759
3760 reschedule:
3761         qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3762 }
3763
3764 static int qlcnic_is_first_func(struct pci_dev *pdev)
3765 {
3766         struct pci_dev *oth_pdev;
3767         int val = pdev->devfn;
3768
3769         while (val-- > 0) {
3770                 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3771                         (pdev->bus), pdev->bus->number,
3772                         PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3773                 if (!oth_pdev)
3774                         continue;
3775
3776                 if (oth_pdev->current_state != PCI_D3cold) {
3777                         pci_dev_put(oth_pdev);
3778                         return 0;
3779                 }
3780                 pci_dev_put(oth_pdev);
3781         }
3782         return 1;
3783 }
3784
3785 static int qlcnic_attach_func(struct pci_dev *pdev)
3786 {
3787         int err, first_func;
3788         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3789         struct net_device *netdev = adapter->netdev;
3790
3791         pdev->error_state = pci_channel_io_normal;
3792
3793         err = pci_enable_device(pdev);
3794         if (err)
3795                 return err;
3796
3797         pci_set_master(pdev);
3798         pci_restore_state(pdev);
3799
3800         first_func = qlcnic_is_first_func(pdev);
3801
3802         if (qlcnic_api_lock(adapter))
3803                 return -EINVAL;
3804
3805         if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3806                 adapter->need_fw_reset = 1;
3807                 set_bit(__QLCNIC_START_FW, &adapter->state);
3808                 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3809                                     QLCNIC_DEV_INITIALIZING);
3810                 QLCDB(adapter, DRV, "Restarting fw\n");
3811         }
3812         qlcnic_api_unlock(adapter);
3813
3814         err = qlcnic_start_firmware(adapter);
3815         if (err)
3816                 return err;
3817
3818         qlcnic_clr_drv_state(adapter);
3819         kfree(adapter->msix_entries);
3820         adapter->msix_entries = NULL;
3821         err = qlcnic_setup_intr(adapter);
3822
3823         if (err) {
3824                 kfree(adapter->msix_entries);
3825                 netdev_err(netdev, "failed to setup interrupt\n");
3826                 return err;
3827         }
3828
3829         if (netif_running(netdev)) {
3830                 err = qlcnic_attach(adapter);
3831                 if (err) {
3832                         qlcnic_clr_all_drv_state(adapter, 1);
3833                         clear_bit(__QLCNIC_AER, &adapter->state);
3834                         netif_device_attach(netdev);
3835                         return err;
3836                 }
3837
3838                 err = qlcnic_up(adapter, netdev);
3839                 if (err)
3840                         goto done;
3841
3842                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3843         }
3844  done:
3845         netif_device_attach(netdev);
3846         return err;
3847 }
3848
3849 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3850                                                       pci_channel_state_t state)
3851 {
3852         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3853         struct net_device *netdev = adapter->netdev;
3854
3855         if (state == pci_channel_io_perm_failure)
3856                 return PCI_ERS_RESULT_DISCONNECT;
3857
3858         if (state == pci_channel_io_normal)
3859                 return PCI_ERS_RESULT_RECOVERED;
3860
3861         set_bit(__QLCNIC_AER, &adapter->state);
3862         netif_device_detach(netdev);
3863
3864         cancel_delayed_work_sync(&adapter->fw_work);
3865
3866         if (netif_running(netdev))
3867                 qlcnic_down(adapter, netdev);
3868
3869         qlcnic_detach(adapter);
3870         qlcnic_teardown_intr(adapter);
3871
3872         clear_bit(__QLCNIC_RESETTING, &adapter->state);
3873
3874         pci_save_state(pdev);
3875         pci_disable_device(pdev);
3876
3877         return PCI_ERS_RESULT_NEED_RESET;
3878 }
3879
3880 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3881 {
3882         pci_ers_result_t res;
3883
3884         rtnl_lock();
3885         res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3886                                          PCI_ERS_RESULT_RECOVERED;
3887         rtnl_unlock();
3888
3889         return res;
3890 }
3891
3892 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3893 {
3894         u32 state;
3895         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3896
3897         state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3898         if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3899                                                             &adapter->state))
3900                 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3901                                      FW_POLL_DELAY);
3902 }
3903
3904 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3905                                                  pci_channel_state_t state)
3906 {
3907         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3908         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3909
3910         if (hw_ops->io_error_detected) {
3911                 return hw_ops->io_error_detected(pdev, state);
3912         } else {
3913                 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3914                 return PCI_ERS_RESULT_DISCONNECT;
3915         }
3916 }
3917
3918 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3919 {
3920         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3921         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3922
3923         if (hw_ops->io_slot_reset) {
3924                 return hw_ops->io_slot_reset(pdev);
3925         } else {
3926                 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3927                 return PCI_ERS_RESULT_DISCONNECT;
3928         }
3929 }
3930
3931 static void qlcnic_io_resume(struct pci_dev *pdev)
3932 {
3933         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3934         struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3935
3936         if (hw_ops->io_resume)
3937                 hw_ops->io_resume(pdev);
3938         else
3939                 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3940 }
3941
3942
3943 static int
3944 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3945 {
3946         int err;
3947
3948         err = qlcnic_can_start_firmware(adapter);
3949         if (err)
3950                 return err;
3951
3952         err = qlcnic_check_npar_opertional(adapter);
3953         if (err)
3954                 return err;
3955
3956         err = qlcnic_initialize_nic(adapter);
3957         if (err)
3958                 return err;
3959
3960         qlcnic_check_options(adapter);
3961
3962         err = qlcnic_set_eswitch_port_config(adapter);
3963         if (err)
3964                 return err;
3965
3966         adapter->need_fw_reset = 0;
3967
3968         return err;
3969 }
3970
3971 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3972                           int queue_type)
3973 {
3974         struct net_device *netdev = adapter->netdev;
3975         char buf[8];
3976
3977         if (queue_type == QLCNIC_RX_QUEUE)
3978                 strcpy(buf, "SDS");
3979         else
3980                 strcpy(buf, "Tx");
3981
3982         if (!is_power_of_2(ring_cnt)) {
3983                 netdev_err(netdev, "%s rings value should be a power of 2\n",
3984                            buf);
3985                 return -EINVAL;
3986         }
3987
3988         if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3989             !qlcnic_check_multi_tx(adapter)) {
3990                         netdev_err(netdev, "No Multi Tx queue support\n");
3991                         return -EINVAL;
3992         }
3993
3994         if (ring_cnt > num_online_cpus()) {
3995                 netdev_err(netdev,
3996                            "%s value[%u] should not be higher than, number of online CPUs\n",
3997                            buf, num_online_cpus());
3998                 return -EINVAL;
3999         }
4000
4001         return 0;
4002 }
4003
4004 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4005 {
4006         struct net_device *netdev = adapter->netdev;
4007         u8 tx_rings, rx_rings;
4008         int err;
4009
4010         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4011                 return -EBUSY;
4012
4013         tx_rings = adapter->drv_tss_rings;
4014         rx_rings = adapter->drv_rss_rings;
4015
4016         netif_device_detach(netdev);
4017
4018         err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4019         if (err)
4020                 goto done;
4021
4022         if (netif_running(netdev))
4023                 __qlcnic_down(adapter, netdev);
4024
4025         qlcnic_detach(adapter);
4026
4027         if (qlcnic_83xx_check(adapter)) {
4028                 qlcnic_83xx_free_mbx_intr(adapter);
4029                 qlcnic_83xx_enable_mbx_poll(adapter);
4030         }
4031
4032         qlcnic_teardown_intr(adapter);
4033
4034         err = qlcnic_setup_intr(adapter);
4035         if (err) {
4036                 kfree(adapter->msix_entries);
4037                 netdev_err(netdev, "failed to setup interrupt\n");
4038                 return err;
4039         }
4040
4041         /* Check if we need to update real_num_{tx|rx}_queues because
4042          * qlcnic_setup_intr() may change Tx/Rx rings size
4043          */
4044         if ((tx_rings != adapter->drv_tx_rings) ||
4045             (rx_rings != adapter->drv_sds_rings)) {
4046                 err = qlcnic_set_real_num_queues(adapter,
4047                                                  adapter->drv_tx_rings,
4048                                                  adapter->drv_sds_rings);
4049                 if (err)
4050                         goto done;
4051         }
4052
4053         if (qlcnic_83xx_check(adapter)) {
4054                 qlcnic_83xx_initialize_nic(adapter, 1);
4055                 err = qlcnic_83xx_setup_mbx_intr(adapter);
4056                 qlcnic_83xx_disable_mbx_poll(adapter);
4057                 if (err) {
4058                         dev_err(&adapter->pdev->dev,
4059                                 "failed to setup mbx interrupt\n");
4060                         goto done;
4061                 }
4062         }
4063
4064         if (netif_running(netdev)) {
4065                 err = qlcnic_attach(adapter);
4066                 if (err)
4067                         goto done;
4068                 err = __qlcnic_up(adapter, netdev);
4069                 if (err)
4070                         goto done;
4071                 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4072         }
4073 done:
4074         netif_device_attach(netdev);
4075         clear_bit(__QLCNIC_RESETTING, &adapter->state);
4076         return err;
4077 }
4078
4079 #ifdef CONFIG_INET
4080
4081 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4082
4083 static void
4084 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4085                         struct net_device *dev, unsigned long event)
4086 {
4087         const struct in_ifaddr *ifa;
4088         struct in_device *indev;
4089
4090         indev = in_dev_get(dev);
4091         if (!indev)
4092                 return;
4093
4094         in_dev_for_each_ifa_rtnl(ifa, indev) {
4095                 switch (event) {
4096                 case NETDEV_UP:
4097                         qlcnic_config_ipaddr(adapter,
4098                                         ifa->ifa_address, QLCNIC_IP_UP);
4099                         break;
4100                 case NETDEV_DOWN:
4101                         qlcnic_config_ipaddr(adapter,
4102                                         ifa->ifa_address, QLCNIC_IP_DOWN);
4103                         break;
4104                 default:
4105                         break;
4106                 }
4107         }
4108
4109         in_dev_put(indev);
4110 }
4111
4112 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4113 {
4114         struct qlcnic_adapter *adapter = netdev_priv(netdev);
4115         struct net_device *dev;
4116         u16 vid;
4117
4118         qlcnic_config_indev_addr(adapter, netdev, event);
4119
4120         rcu_read_lock();
4121         for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4122                 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4123                 if (!dev)
4124                         continue;
4125                 qlcnic_config_indev_addr(adapter, dev, event);
4126         }
4127         rcu_read_unlock();
4128 }
4129
4130 static int qlcnic_netdev_event(struct notifier_block *this,
4131                                  unsigned long event, void *ptr)
4132 {
4133         struct qlcnic_adapter *adapter;
4134         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4135
4136 recheck:
4137         if (dev == NULL)
4138                 goto done;
4139
4140         if (is_vlan_dev(dev)) {
4141                 dev = vlan_dev_real_dev(dev);
4142                 goto recheck;
4143         }
4144
4145         if (!is_qlcnic_netdev(dev))
4146                 goto done;
4147
4148         adapter = netdev_priv(dev);
4149
4150         if (!adapter)
4151                 goto done;
4152
4153         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4154                 goto done;
4155
4156         qlcnic_config_indev_addr(adapter, dev, event);
4157 done:
4158         return NOTIFY_DONE;
4159 }
4160
4161 static int
4162 qlcnic_inetaddr_event(struct notifier_block *this,
4163                 unsigned long event, void *ptr)
4164 {
4165         struct qlcnic_adapter *adapter;
4166         struct net_device *dev;
4167
4168         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4169
4170         dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4171
4172 recheck:
4173         if (dev == NULL)
4174                 goto done;
4175
4176         if (is_vlan_dev(dev)) {
4177                 dev = vlan_dev_real_dev(dev);
4178                 goto recheck;
4179         }
4180
4181         if (!is_qlcnic_netdev(dev))
4182                 goto done;
4183
4184         adapter = netdev_priv(dev);
4185
4186         if (!adapter)
4187                 goto done;
4188
4189         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4190                 goto done;
4191
4192         switch (event) {
4193         case NETDEV_UP:
4194                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4195
4196                 break;
4197         case NETDEV_DOWN:
4198                 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4199
4200                 break;
4201         default:
4202                 break;
4203         }
4204
4205 done:
4206         return NOTIFY_DONE;
4207 }
4208
4209 static struct notifier_block    qlcnic_netdev_cb = {
4210         .notifier_call = qlcnic_netdev_event,
4211 };
4212
4213 static struct notifier_block qlcnic_inetaddr_cb = {
4214         .notifier_call = qlcnic_inetaddr_event,
4215 };
4216 #else
4217 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4218 { }
4219 #endif
4220 static const struct pci_error_handlers qlcnic_err_handler = {
4221         .error_detected = qlcnic_io_error_detected,
4222         .slot_reset = qlcnic_io_slot_reset,
4223         .resume = qlcnic_io_resume,
4224 };
4225
4226 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume);
4227
4228 static struct pci_driver qlcnic_driver = {
4229         .name = qlcnic_driver_name,
4230         .id_table = qlcnic_pci_tbl,
4231         .probe = qlcnic_probe,
4232         .remove = qlcnic_remove,
4233         .driver.pm = &qlcnic_pm_ops,
4234         .shutdown = qlcnic_shutdown,
4235         .err_handler = &qlcnic_err_handler,
4236 #ifdef CONFIG_QLCNIC_SRIOV
4237         .sriov_configure = qlcnic_pci_sriov_configure,
4238 #endif
4239
4240 };
4241
4242 static int __init qlcnic_init_module(void)
4243 {
4244         int ret;
4245
4246         printk(KERN_INFO "%s\n", qlcnic_driver_string);
4247
4248 #ifdef CONFIG_INET
4249         register_netdevice_notifier(&qlcnic_netdev_cb);
4250         register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4251 #endif
4252
4253         ret = pci_register_driver(&qlcnic_driver);
4254         if (ret) {
4255 #ifdef CONFIG_INET
4256                 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4257                 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4258 #endif
4259         }
4260
4261         return ret;
4262 }
4263
4264 module_init(qlcnic_init_module);
4265
4266 static void __exit qlcnic_exit_module(void)
4267 {
4268         pci_unregister_driver(&qlcnic_driver);
4269
4270 #ifdef CONFIG_INET
4271         unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4272         unregister_netdevice_notifier(&qlcnic_netdev_cb);
4273 #endif
4274 }
4275
4276 module_exit(qlcnic_exit_module);