drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include <linux/if_vlan.h>
   9 #include <linux/ipv6.h>
  10 #include <linux/ethtool.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/aer.h>
  13
  14 #include "qlcnic.h"
  15 #include "qlcnic_sriov.h"
  16
  17 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *);
  18 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8);
  19 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *, u8 *, u8,
  20                                       struct qlcnic_cmd_args *);
  21 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *);
  22 static irqreturn_t qlcnic_83xx_handle_aen(int, void *);
  23 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *,
  24                                                       pci_channel_state_t);
  25 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *);
  26 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *);
  27 static void qlcnic_83xx_io_resume(struct pci_dev *);
  28 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8);
  29 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *);
  30 static int qlcnic_83xx_resume(struct qlcnic_adapter *);
  31 static int qlcnic_83xx_shutdown(struct pci_dev *);
  32 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *);
  33
  34 #define RSS_HASHTYPE_IP_TCP             0x3
  35 #define QLC_83XX_FW_MBX_CMD             0
  36 #define QLC_SKIP_INACTIVE_PCI_REGS      7
  37 #define QLC_MAX_LEGACY_FUNC_SUPP        8
  38
  39 /* 83xx Module type */
  40 #define QLC_83XX_MODULE_FIBRE_10GBASE_LRM       0x1 /* 10GBase-LRM */
  41 #define QLC_83XX_MODULE_FIBRE_10GBASE_LR        0x2 /* 10GBase-LR */
  42 #define QLC_83XX_MODULE_FIBRE_10GBASE_SR        0x3 /* 10GBase-SR */
  43 #define QLC_83XX_MODULE_DA_10GE_PASSIVE_CP      0x4 /* 10GE passive
  44                                                      * copper(compliant)
  45                                                      */
  46 #define QLC_83XX_MODULE_DA_10GE_ACTIVE_CP       0x5 /* 10GE active limiting
  47                                                      * copper(compliant)
  48                                                      */
  49 #define QLC_83XX_MODULE_DA_10GE_LEGACY_CP       0x6 /* 10GE passive copper
  50                                                      * (legacy, best effort)
  51                                                      */
  52 #define QLC_83XX_MODULE_FIBRE_1000BASE_SX       0x7 /* 1000Base-SX */
  53 #define QLC_83XX_MODULE_FIBRE_1000BASE_LX       0x8 /* 1000Base-LX */
  54 #define QLC_83XX_MODULE_FIBRE_1000BASE_CX       0x9 /* 1000Base-CX */
  55 #define QLC_83XX_MODULE_TP_1000BASE_T           0xa /* 1000Base-T*/
  56 #define QLC_83XX_MODULE_DA_1GE_PASSIVE_CP       0xb /* 1GE passive copper
  57                                                      * (legacy, best effort)
  58                                                      */
  59 #define QLC_83XX_MODULE_UNKNOWN                 0xf /* Unknown module type */
  60
  61 /* Port types */
  62 #define QLC_83XX_10_CAPABLE      BIT_8
  63 #define QLC_83XX_100_CAPABLE     BIT_9
  64 #define QLC_83XX_1G_CAPABLE      BIT_10
  65 #define QLC_83XX_10G_CAPABLE     BIT_11
  66 #define QLC_83XX_AUTONEG_ENABLE  BIT_15
  67
  68 static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = {
  69         {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1},
  70         {QLCNIC_CMD_CONFIG_INTRPT, 18, 34},
  71         {QLCNIC_CMD_CREATE_RX_CTX, 136, 27},
  72         {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  73         {QLCNIC_CMD_CREATE_TX_CTX, 54, 18},
  74         {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1},
  75         {QLCNIC_CMD_CONFIGURE_MAC_LEARNING, 2, 1},
  76         {QLCNIC_CMD_INTRPT_TEST, 22, 12},
  77         {QLCNIC_CMD_SET_MTU, 3, 1},
  78         {QLCNIC_CMD_READ_PHY, 4, 2},
  79         {QLCNIC_CMD_WRITE_PHY, 5, 1},
  80         {QLCNIC_CMD_READ_HW_REG, 4, 1},
  81         {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
  82         {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
  83         {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
  84         {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
  85         {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
  86         {QLCNIC_CMD_GET_PCI_INFO, 1, 129},
  87         {QLCNIC_CMD_GET_NIC_INFO, 2, 19},
  88         {QLCNIC_CMD_SET_NIC_INFO, 32, 1},
  89         {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
  90         {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
  91         {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
  92         {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
  93         {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
  94         {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
  95         {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1},
  96         {QLCNIC_CMD_CONFIG_PORT, 4, 1},
  97         {QLCNIC_CMD_TEMP_SIZE, 1, 4},
  98         {QLCNIC_CMD_GET_TEMP_HDR, 5, 5},
  99         {QLCNIC_CMD_GET_LINK_EVENT, 2, 1},
 100         {QLCNIC_CMD_CONFIG_MAC_VLAN, 4, 3},
 101         {QLCNIC_CMD_CONFIG_INTR_COAL, 6, 1},
 102         {QLCNIC_CMD_CONFIGURE_RSS, 14, 1},
 103         {QLCNIC_CMD_CONFIGURE_LED, 2, 1},
 104         {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, 2, 1},
 105         {QLCNIC_CMD_CONFIGURE_HW_LRO, 2, 1},
 106         {QLCNIC_CMD_GET_STATISTICS, 2, 80},
 107         {QLCNIC_CMD_SET_PORT_CONFIG, 2, 1},
 108         {QLCNIC_CMD_GET_PORT_CONFIG, 2, 2},
 109         {QLCNIC_CMD_GET_LINK_STATUS, 2, 4},
 110         {QLCNIC_CMD_IDC_ACK, 5, 1},
 111         {QLCNIC_CMD_INIT_NIC_FUNC, 3, 1},
 112         {QLCNIC_CMD_STOP_NIC_FUNC, 2, 1},
 113         {QLCNIC_CMD_SET_LED_CONFIG, 5, 1},
 114         {QLCNIC_CMD_GET_LED_CONFIG, 1, 5},
 115         {QLCNIC_CMD_83XX_SET_DRV_VER, 4, 1},
 116         {QLCNIC_CMD_ADD_RCV_RINGS, 130, 26},
 117         {QLCNIC_CMD_CONFIG_VPORT, 4, 4},
 118         {QLCNIC_CMD_BC_EVENT_SETUP, 2, 1},
 119         {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
 120         {QLCNIC_CMD_DCB_QUERY_PARAM, 1, 50},
 121         {QLCNIC_CMD_SET_INGRESS_ENCAP, 2, 1},
 122         {QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP, 4, 1},
 123 };
 124
 125 const u32 qlcnic_83xx_ext_reg_tbl[] = {
 126         0x38CC,         /* Global Reset */
 127         0x38F0,         /* Wildcard */
 128         0x38FC,         /* Informant */
 129         0x3038,         /* Host MBX ctrl */
 130         0x303C,         /* FW MBX ctrl */
 131         0x355C,         /* BOOT LOADER ADDRESS REG */
 132         0x3560,         /* BOOT LOADER SIZE REG */
 133         0x3564,         /* FW IMAGE ADDR REG */
 134         0x1000,         /* MBX intr enable */
 135         0x1200,         /* Default Intr mask */
 136         0x1204,         /* Default Interrupt ID */
 137         0x3780,         /* QLC_83XX_IDC_MAJ_VERSION */
 138         0x3784,         /* QLC_83XX_IDC_DEV_STATE */
 139         0x3788,         /* QLC_83XX_IDC_DRV_PRESENCE */
 140         0x378C,         /* QLC_83XX_IDC_DRV_ACK */
 141         0x3790,         /* QLC_83XX_IDC_CTRL */
 142         0x3794,         /* QLC_83XX_IDC_DRV_AUDIT */
 143         0x3798,         /* QLC_83XX_IDC_MIN_VERSION */
 144         0x379C,         /* QLC_83XX_RECOVER_DRV_LOCK */
 145         0x37A0,         /* QLC_83XX_IDC_PF_0 */
 146         0x37A4,         /* QLC_83XX_IDC_PF_1 */
 147         0x37A8,         /* QLC_83XX_IDC_PF_2 */
 148         0x37AC,         /* QLC_83XX_IDC_PF_3 */
 149         0x37B0,         /* QLC_83XX_IDC_PF_4 */
 150         0x37B4,         /* QLC_83XX_IDC_PF_5 */
 151         0x37B8,         /* QLC_83XX_IDC_PF_6 */
 152         0x37BC,         /* QLC_83XX_IDC_PF_7 */
 153         0x37C0,         /* QLC_83XX_IDC_PF_8 */
 154         0x37C4,         /* QLC_83XX_IDC_PF_9 */
 155         0x37C8,         /* QLC_83XX_IDC_PF_10 */
 156         0x37CC,         /* QLC_83XX_IDC_PF_11 */
 157         0x37D0,         /* QLC_83XX_IDC_PF_12 */
 158         0x37D4,         /* QLC_83XX_IDC_PF_13 */
 159         0x37D8,         /* QLC_83XX_IDC_PF_14 */
 160         0x37DC,         /* QLC_83XX_IDC_PF_15 */
 161         0x37E0,         /* QLC_83XX_IDC_DEV_PARTITION_INFO_1 */
 162         0x37E4,         /* QLC_83XX_IDC_DEV_PARTITION_INFO_2 */
 163         0x37F0,         /* QLC_83XX_DRV_OP_MODE */
 164         0x37F4,         /* QLC_83XX_VNIC_STATE */
 165         0x3868,         /* QLC_83XX_DRV_LOCK */
 166         0x386C,         /* QLC_83XX_DRV_UNLOCK */
 167         0x3504,         /* QLC_83XX_DRV_LOCK_ID */
 168         0x34A4,         /* QLC_83XX_ASIC_TEMP */
 169 };
 170
 171 const u32 qlcnic_83xx_reg_tbl[] = {
 172         0x34A8,         /* PEG_HALT_STAT1 */
 173         0x34AC,         /* PEG_HALT_STAT2 */
 174         0x34B0,         /* FW_HEARTBEAT */
 175         0x3500,         /* FLASH LOCK_ID */
 176         0x3528,         /* FW_CAPABILITIES */
 177         0x3538,         /* Driver active, DRV_REG0 */
 178         0x3540,         /* Device state, DRV_REG1 */
 179         0x3544,         /* Driver state, DRV_REG2 */
 180         0x3548,         /* Driver scratch, DRV_REG3 */
 181         0x354C,         /* Device partition info, DRV_REG4 */
 182         0x3524,         /* Driver IDC ver, DRV_REG5 */
 183         0x3550,         /* FW_VER_MAJOR */
 184         0x3554,         /* FW_VER_MINOR */
 185         0x3558,         /* FW_VER_SUB */
 186         0x359C,         /* NPAR STATE */
 187         0x35FC,         /* FW_IMG_VALID */
 188         0x3650,         /* CMD_PEG_STATE */
 189         0x373C,         /* RCV_PEG_STATE */
 190         0x37B4,         /* ASIC TEMP */
 191         0x356C,         /* FW API */
 192         0x3570,         /* DRV OP MODE */
 193         0x3850,         /* FLASH LOCK */
 194         0x3854,         /* FLASH UNLOCK */
 195 };
 196
 197 static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
 198         .read_crb                       = qlcnic_83xx_read_crb,
 199         .write_crb                      = qlcnic_83xx_write_crb,
 200         .read_reg                       = qlcnic_83xx_rd_reg_indirect,
 201         .write_reg                      = qlcnic_83xx_wrt_reg_indirect,
 202         .get_mac_address                = qlcnic_83xx_get_mac_address,
 203         .setup_intr                     = qlcnic_83xx_setup_intr,
 204         .alloc_mbx_args                 = qlcnic_83xx_alloc_mbx_args,
 205         .mbx_cmd                        = qlcnic_83xx_issue_cmd,
 206         .get_func_no                    = qlcnic_83xx_get_func_no,
 207         .api_lock                       = qlcnic_83xx_cam_lock,
 208         .api_unlock                     = qlcnic_83xx_cam_unlock,
 209         .add_sysfs                      = qlcnic_83xx_add_sysfs,
 210         .remove_sysfs                   = qlcnic_83xx_remove_sysfs,
 211         .process_lb_rcv_ring_diag       = qlcnic_83xx_process_rcv_ring_diag,
 212         .create_rx_ctx                  = qlcnic_83xx_create_rx_ctx,
 213         .create_tx_ctx                  = qlcnic_83xx_create_tx_ctx,
 214         .del_rx_ctx                     = qlcnic_83xx_del_rx_ctx,
 215         .del_tx_ctx                     = qlcnic_83xx_del_tx_ctx,
 216         .setup_link_event               = qlcnic_83xx_setup_link_event,
 217         .get_nic_info                   = qlcnic_83xx_get_nic_info,
 218         .get_pci_info                   = qlcnic_83xx_get_pci_info,
 219         .set_nic_info                   = qlcnic_83xx_set_nic_info,
 220         .change_macvlan                 = qlcnic_83xx_sre_macaddr_change,
 221         .napi_enable                    = qlcnic_83xx_napi_enable,
 222         .napi_disable                   = qlcnic_83xx_napi_disable,
 223         .config_intr_coal               = qlcnic_83xx_config_intr_coal,
 224         .config_rss                     = qlcnic_83xx_config_rss,
 225         .config_hw_lro                  = qlcnic_83xx_config_hw_lro,
 226         .config_promisc_mode            = qlcnic_83xx_nic_set_promisc,
 227         .change_l2_filter               = qlcnic_83xx_change_l2_filter,
 228         .get_board_info                 = qlcnic_83xx_get_port_info,
 229         .set_mac_filter_count           = qlcnic_83xx_set_mac_filter_count,
 230         .free_mac_list                  = qlcnic_82xx_free_mac_list,
 231         .io_error_detected              = qlcnic_83xx_io_error_detected,
 232         .io_slot_reset                  = qlcnic_83xx_io_slot_reset,
 233         .io_resume                      = qlcnic_83xx_io_resume,
 234         .get_beacon_state               = qlcnic_83xx_get_beacon_state,
 235         .enable_sds_intr                = qlcnic_83xx_enable_sds_intr,
 236         .disable_sds_intr               = qlcnic_83xx_disable_sds_intr,
 237         .enable_tx_intr                 = qlcnic_83xx_enable_tx_intr,
 238         .disable_tx_intr                = qlcnic_83xx_disable_tx_intr,
 239         .get_saved_state                = qlcnic_83xx_get_saved_state,
 240         .set_saved_state                = qlcnic_83xx_set_saved_state,
 241         .cache_tmpl_hdr_values          = qlcnic_83xx_cache_tmpl_hdr_values,
 242         .get_cap_size                   = qlcnic_83xx_get_cap_size,
 243         .set_sys_info                   = qlcnic_83xx_set_sys_info,
 244         .store_cap_mask                 = qlcnic_83xx_store_cap_mask,
 245         .encap_rx_offload               = qlcnic_83xx_encap_rx_offload,
 246         .encap_tx_offload               = qlcnic_83xx_encap_tx_offload,
 247 };
 248
 249 static struct qlcnic_nic_template qlcnic_83xx_ops = {
 250         .config_bridged_mode    = qlcnic_config_bridged_mode,
 251         .config_led             = qlcnic_config_led,
 252         .request_reset          = qlcnic_83xx_idc_request_reset,
 253         .cancel_idc_work        = qlcnic_83xx_idc_exit,
 254         .napi_add               = qlcnic_83xx_napi_add,
 255         .napi_del               = qlcnic_83xx_napi_del,
 256         .config_ipaddr          = qlcnic_83xx_config_ipaddr,
 257         .clear_legacy_intr      = qlcnic_83xx_clear_legacy_intr,
 258         .shutdown               = qlcnic_83xx_shutdown,
 259         .resume                 = qlcnic_83xx_resume,
 260 };
 261
 262 void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw)
 263 {
 264         ahw->hw_ops             = &qlcnic_83xx_hw_ops;
 265         ahw->reg_tbl            = (u32 *)qlcnic_83xx_reg_tbl;
 266         ahw->ext_reg_tbl        = (u32 *)qlcnic_83xx_ext_reg_tbl;
 267 }
 268
 269 int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter)
 270 {
 271         u32 fw_major, fw_minor, fw_build;
 272         struct pci_dev *pdev = adapter->pdev;
 273
 274         fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
 275         fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
 276         fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
 277         adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
 278
 279         dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n",
 280                  QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
 281
 282         return adapter->fw_version;
 283 }
 284
 285 static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr)
 286 {
 287         void __iomem *base;
 288         u32 val;
 289
 290         base = adapter->ahw->pci_base0 +
 291                QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func);
 292         writel(addr, base);
 293         val = readl(base);
 294         if (val != addr)
 295                 return -EIO;
 296
 297         return 0;
 298 }
 299
 300 int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr,
 301                                 int *err)
 302 {
 303         struct qlcnic_hardware_context *ahw = adapter->ahw;
 304
 305         *err = __qlcnic_set_win_base(adapter, (u32) addr);
 306         if (!*err) {
 307                 return QLCRDX(ahw, QLCNIC_WILDCARD);
 308         } else {
 309                 dev_err(&adapter->pdev->dev,
 310                         "%s failed, addr = 0x%lx\n", __func__, addr);
 311                 return -EIO;
 312         }
 313 }
 314
 315 int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr,
 316                                  u32 data)
 317 {
 318         int err;
 319         struct qlcnic_hardware_context *ahw = adapter->ahw;
 320
 321         err = __qlcnic_set_win_base(adapter, (u32) addr);
 322         if (!err) {
 323                 QLCWRX(ahw, QLCNIC_WILDCARD, data);
 324                 return 0;
 325         } else {
 326                 dev_err(&adapter->pdev->dev,
 327                         "%s failed, addr = 0x%x data = 0x%x\n",
 328                         __func__, (int)addr, data);
 329                 return err;
 330         }
 331 }
 332
 333 static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter)
 334 {
 335         struct qlcnic_hardware_context *ahw = adapter->ahw;
 336
 337         /* MSI-X enablement failed, use legacy interrupt */
 338         adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR;
 339         adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK;
 340         adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR;
 341         adapter->msix_entries[0].vector = adapter->pdev->irq;
 342         dev_info(&adapter->pdev->dev, "using legacy interrupt\n");
 343 }
 344
 345 static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
 346 {
 347         int num_msix;
 348
 349         num_msix = adapter->drv_sds_rings;
 350
 351         /* account for AEN interrupt MSI-X based interrupts */
 352         num_msix += 1;
 353
 354         if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
 355                 num_msix += adapter->drv_tx_rings;
 356
 357         return num_msix;
 358 }
 359
 360 int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter)
 361 {
 362         struct qlcnic_hardware_context *ahw = adapter->ahw;
 363         int err, i, num_msix;
 364
 365         if (adapter->flags & QLCNIC_TSS_RSS) {
 366                 err = qlcnic_setup_tss_rss_intr(adapter);
 367                 if (err < 0)
 368                         return err;
 369                 num_msix = ahw->num_msix;
 370         } else {
 371                 num_msix = qlcnic_83xx_calculate_msix_vector(adapter);
 372
 373                 err = qlcnic_enable_msix(adapter, num_msix);
 374                 if (err == -ENOMEM)
 375                         return err;
 376
 377                 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
 378                         num_msix = ahw->num_msix;
 379                 } else {
 380                         if (qlcnic_sriov_vf_check(adapter))
 381                                 return -EINVAL;
 382                         num_msix = 1;
 383                         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
 384                         adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
 385                 }
 386         }
 387
 388         /* setup interrupt mapping table for fw */
 389         ahw->intr_tbl =
 390                 vzalloc(array_size(num_msix,
 391                                    sizeof(struct qlcnic_intrpt_config)));
 392         if (!ahw->intr_tbl)
 393                 return -ENOMEM;
 394
 395         if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
 396                 if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) {
 397                         dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n",
 398                                 ahw->pci_func);
 399                         return -EOPNOTSUPP;
 400                 }
 401
 402                 qlcnic_83xx_enable_legacy(adapter);
 403         }
 404
 405         for (i = 0; i < num_msix; i++) {
 406                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
 407                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
 408                 else
 409                         ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX;
 410                 ahw->intr_tbl[i].id = i;
 411                 ahw->intr_tbl[i].src = 0;
 412         }
 413
 414         return 0;
 415 }
 416
 417 static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter)
 418 {
 419         writel(0, adapter->tgt_mask_reg);
 420 }
 421
 422 static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter)
 423 {
 424         if (adapter->tgt_mask_reg)
 425                 writel(1, adapter->tgt_mask_reg);
 426 }
 427
 428 static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter
 429                                                     *adapter)
 430 {
 431         u32 mask;
 432
 433         /* Mailbox in MSI-x mode and Legacy Interrupt share the same
 434          * source register. We could be here before contexts are created
 435          * and sds_ring->crb_intr_mask has not been initialized, calculate
 436          * BAR offset for Interrupt Source Register
 437          */
 438         mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
 439         writel(0, adapter->ahw->pci_base0 + mask);
 440 }
 441
 442 void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter)
 443 {
 444         u32 mask;
 445
 446         mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
 447         writel(1, adapter->ahw->pci_base0 + mask);
 448         QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0);
 449 }
 450
 451 static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter,
 452                                      struct qlcnic_cmd_args *cmd)
 453 {
 454         int i;
 455
 456         if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
 457                 return;
 458
 459         for (i = 0; i < cmd->rsp.num; i++)
 460                 cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i));
 461 }
 462
 463 irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
 464 {
 465         u32 intr_val;
 466         struct qlcnic_hardware_context *ahw = adapter->ahw;
 467         int retries = 0;
 468
 469         intr_val = readl(adapter->tgt_status_reg);
 470
 471         if (!QLC_83XX_VALID_INTX_BIT31(intr_val))
 472                 return IRQ_NONE;
 473
 474         if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) {
 475                 adapter->stats.spurious_intr++;
 476                 return IRQ_NONE;
 477         }
 478         /* The barrier is required to ensure writes to the registers */
 479         wmb();
 480
 481         /* clear the interrupt trigger control register */
 482         writel_relaxed(0, adapter->isr_int_vec);
 483         intr_val = readl(adapter->isr_int_vec);
 484         do {
 485                 intr_val = readl(adapter->tgt_status_reg);
 486                 if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func)
 487                         break;
 488                 retries++;
 489         } while (QLC_83XX_VALID_INTX_BIT30(intr_val) &&
 490                  (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY));
 491
 492         return IRQ_HANDLED;
 493 }
 494
 495 static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx)
 496 {
 497         mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
 498         complete(&mbx->completion);
 499 }
 500
 501 static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter)
 502 {
 503         u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
 504         struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
 505         unsigned long flags;
 506
 507         spin_lock_irqsave(&mbx->aen_lock, flags);
 508         resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
 509         if (!(resp & QLCNIC_SET_OWNER))
 510                 goto out;
 511
 512         event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
 513         if (event &  QLCNIC_MBX_ASYNC_EVENT) {
 514                 __qlcnic_83xx_process_aen(adapter);
 515         } else {
 516                 if (mbx->rsp_status != rsp_status)
 517                         qlcnic_83xx_notify_mbx_response(mbx);
 518         }
 519 out:
 520         qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
 521         spin_unlock_irqrestore(&mbx->aen_lock, flags);
 522 }
 523
 524 irqreturn_t qlcnic_83xx_intr(int irq, void *data)
 525 {
 526         struct qlcnic_adapter *adapter = data;
 527         struct qlcnic_host_sds_ring *sds_ring;
 528         struct qlcnic_hardware_context *ahw = adapter->ahw;
 529
 530         if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE)
 531                 return IRQ_NONE;
 532
 533         qlcnic_83xx_poll_process_aen(adapter);
 534
 535         if (ahw->diag_test) {
 536                 if (ahw->diag_test == QLCNIC_INTERRUPT_TEST)
 537                         ahw->diag_cnt++;
 538                 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
 539                 return IRQ_HANDLED;
 540         }
 541
 542         if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
 543                 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
 544         } else {
 545                 sds_ring = &adapter->recv_ctx->sds_rings[0];
 546                 napi_schedule(&sds_ring->napi);
 547         }
 548
 549         return IRQ_HANDLED;
 550 }
 551
 552 irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data)
 553 {
 554         struct qlcnic_host_sds_ring *sds_ring = data;
 555         struct qlcnic_adapter *adapter = sds_ring->adapter;
 556
 557         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 558                 goto done;
 559
 560         if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE)
 561                 return IRQ_NONE;
 562
 563 done:
 564         adapter->ahw->diag_cnt++;
 565         qlcnic_enable_sds_intr(adapter, sds_ring);
 566
 567         return IRQ_HANDLED;
 568 }
 569
 570 void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter)
 571 {
 572         u32 num_msix;
 573
 574         if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
 575                 qlcnic_83xx_set_legacy_intr_mask(adapter);
 576
 577         qlcnic_83xx_disable_mbx_intr(adapter);
 578
 579         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 580                 num_msix = adapter->ahw->num_msix - 1;
 581         else
 582                 num_msix = 0;
 583
 584         msleep(20);
 585
 586         if (adapter->msix_entries) {
 587                 synchronize_irq(adapter->msix_entries[num_msix].vector);
 588                 free_irq(adapter->msix_entries[num_msix].vector, adapter);
 589         }
 590 }
 591
 592 int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter)
 593 {
 594         irq_handler_t handler;
 595         u32 val;
 596         int err = 0;
 597         unsigned long flags = 0;
 598
 599         if (!(adapter->flags & QLCNIC_MSI_ENABLED) &&
 600             !(adapter->flags & QLCNIC_MSIX_ENABLED))
 601                 flags |= IRQF_SHARED;
 602
 603         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
 604                 handler = qlcnic_83xx_handle_aen;
 605                 val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector;
 606                 err = request_irq(val, handler, flags, "qlcnic-MB", adapter);
 607                 if (err) {
 608                         dev_err(&adapter->pdev->dev,
 609                                 "failed to register MBX interrupt\n");
 610                         return err;
 611                 }
 612         } else {
 613                 handler = qlcnic_83xx_intr;
 614                 val = adapter->msix_entries[0].vector;
 615                 err = request_irq(val, handler, flags, "qlcnic", adapter);
 616                 if (err) {
 617                         dev_err(&adapter->pdev->dev,
 618                                 "failed to register INTx interrupt\n");
 619                         return err;
 620                 }
 621                 qlcnic_83xx_clear_legacy_intr_mask(adapter);
 622         }
 623
 624         /* Enable mailbox interrupt */
 625         qlcnic_83xx_enable_mbx_interrupt(adapter);
 626
 627         return err;
 628 }
 629
 630 void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter)
 631 {
 632         u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT);
 633         adapter->ahw->pci_func = (val >> 24) & 0xff;
 634 }
 635
 636 int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter)
 637 {
 638         void __iomem *addr;
 639         u32 val, limit = 0;
 640
 641         struct qlcnic_hardware_context *ahw = adapter->ahw;
 642
 643         addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func);
 644         do {
 645                 val = readl(addr);
 646                 if (val) {
 647                         /* write the function number to register */
 648                         QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER,
 649                                             ahw->pci_func);
 650                         return 0;
 651                 }
 652                 usleep_range(1000, 2000);
 653         } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT);
 654
 655         return -EIO;
 656 }
 657
 658 void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter)
 659 {
 660         void __iomem *addr;
 661         u32 val;
 662         struct qlcnic_hardware_context *ahw = adapter->ahw;
 663
 664         addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func);
 665         val = readl(addr);
 666 }
 667
 668 void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf,
 669                           loff_t offset, size_t size)
 670 {
 671         int ret = 0;
 672         u32 data;
 673
 674         if (qlcnic_api_lock(adapter)) {
 675                 dev_err(&adapter->pdev->dev,
 676                         "%s: failed to acquire lock. addr offset 0x%x\n",
 677                         __func__, (u32)offset);
 678                 return;
 679         }
 680
 681         data = QLCRD32(adapter, (u32) offset, &ret);
 682         qlcnic_api_unlock(adapter);
 683
 684         if (ret == -EIO) {
 685                 dev_err(&adapter->pdev->dev,
 686                         "%s: failed. addr offset 0x%x\n",
 687                         __func__, (u32)offset);
 688                 return;
 689         }
 690         memcpy(buf, &data, size);
 691 }
 692
 693 void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf,
 694                            loff_t offset, size_t size)
 695 {
 696         u32 data;
 697
 698         memcpy(&data, buf, size);
 699         qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data);
 700 }
 701
 702 int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter)
 703 {
 704         struct qlcnic_hardware_context *ahw = adapter->ahw;
 705         int status;
 706
 707         status = qlcnic_83xx_get_port_config(adapter);
 708         if (status) {
 709                 dev_err(&adapter->pdev->dev,
 710                         "Get Port Info failed\n");
 711         } else {
 712
 713                 if (ahw->port_config & QLC_83XX_10G_CAPABLE) {
 714                         ahw->port_type = QLCNIC_XGBE;
 715                 } else if (ahw->port_config & QLC_83XX_10_CAPABLE ||
 716                            ahw->port_config & QLC_83XX_100_CAPABLE ||
 717                            ahw->port_config & QLC_83XX_1G_CAPABLE) {
 718                         ahw->port_type = QLCNIC_GBE;
 719                 } else {
 720                         ahw->port_type = QLCNIC_XGBE;
 721                 }
 722
 723                 if (QLC_83XX_AUTONEG(ahw->port_config))
 724                         ahw->link_autoneg = AUTONEG_ENABLE;
 725
 726         }
 727         return status;
 728 }
 729
 730 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
 731 {
 732         struct qlcnic_hardware_context *ahw = adapter->ahw;
 733         u16 act_pci_fn = ahw->total_nic_func;
 734         u16 count;
 735
 736         ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT;
 737         if (act_pci_fn <= 2)
 738                 count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) /
 739                          act_pci_fn;
 740         else
 741                 count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) /
 742                          act_pci_fn;
 743         ahw->max_uc_count = count;
 744 }
 745
 746 void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter)
 747 {
 748         u32 val;
 749
 750         if (adapter->flags & QLCNIC_MSIX_ENABLED)
 751                 val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8);
 752         else
 753                 val = BIT_2;
 754
 755         QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val);
 756         qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
 757 }
 758
 759 void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter,
 760                           const struct pci_device_id *ent)
 761 {
 762         u32 op_mode, priv_level;
 763         struct qlcnic_hardware_context *ahw = adapter->ahw;
 764
 765         ahw->fw_hal_version = 2;
 766         qlcnic_get_func_no(adapter);
 767
 768         if (qlcnic_sriov_vf_check(adapter)) {
 769                 qlcnic_sriov_vf_set_ops(adapter);
 770                 return;
 771         }
 772
 773         /* Determine function privilege level */
 774         op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
 775         if (op_mode == QLC_83XX_DEFAULT_OPMODE)
 776                 priv_level = QLCNIC_MGMT_FUNC;
 777         else
 778                 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
 779                                                          ahw->pci_func);
 780
 781         if (priv_level == QLCNIC_NON_PRIV_FUNC) {
 782                 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
 783                 dev_info(&adapter->pdev->dev,
 784                          "HAL Version: %d Non Privileged function\n",
 785                          ahw->fw_hal_version);
 786                 adapter->nic_ops = &qlcnic_vf_ops;
 787         } else {
 788                 if (pci_find_ext_capability(adapter->pdev,
 789                                             PCI_EXT_CAP_ID_SRIOV))
 790                         set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state);
 791                 adapter->nic_ops = &qlcnic_83xx_ops;
 792         }
 793 }
 794
 795 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
 796                                         u32 data[]);
 797 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
 798                                             u32 data[]);
 799
 800 void qlcnic_dump_mbx(struct qlcnic_adapter *adapter,
 801                      struct qlcnic_cmd_args *cmd)
 802 {
 803         int i;
 804
 805         if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
 806                 return;
 807
 808         dev_info(&adapter->pdev->dev,
 809                  "Host MBX regs(%d)\n", cmd->req.num);
 810         for (i = 0; i < cmd->req.num; i++) {
 811                 if (i && !(i % 8))
 812                         pr_info("\n");
 813                 pr_info("%08x ", cmd->req.arg[i]);
 814         }
 815         pr_info("\n");
 816         dev_info(&adapter->pdev->dev,
 817                  "FW MBX regs(%d)\n", cmd->rsp.num);
 818         for (i = 0; i < cmd->rsp.num; i++) {
 819                 if (i && !(i % 8))
 820                         pr_info("\n");
 821                 pr_info("%08x ", cmd->rsp.arg[i]);
 822         }
 823         pr_info("\n");
 824 }
 825
 826 static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter,
 827                                                 struct qlcnic_cmd_args *cmd)
 828 {
 829         struct qlcnic_hardware_context *ahw = adapter->ahw;
 830         int opcode = LSW(cmd->req.arg[0]);
 831         unsigned long max_loops;
 832
 833         max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP;
 834
 835         for (; max_loops; max_loops--) {
 836                 if (atomic_read(&cmd->rsp_status) ==
 837                     QLC_83XX_MBX_RESPONSE_ARRIVED)
 838                         return;
 839
 840                 udelay(1);
 841         }
 842
 843         dev_err(&adapter->pdev->dev,
 844                 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
 845                 __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode);
 846         flush_workqueue(ahw->mailbox->work_q);
 847         return;
 848 }
 849
 850 int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter,
 851                           struct qlcnic_cmd_args *cmd)
 852 {
 853         struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
 854         struct qlcnic_hardware_context *ahw = adapter->ahw;
 855         int cmd_type, err, opcode;
 856         unsigned long timeout;
 857
 858         if (!mbx)
 859                 return -EIO;
 860
 861         opcode = LSW(cmd->req.arg[0]);
 862         cmd_type = cmd->type;
 863         err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout);
 864         if (err) {
 865                 dev_err(&adapter->pdev->dev,
 866                         "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n",
 867                         __func__, opcode, cmd->type, ahw->pci_func,
 868                         ahw->op_mode);
 869                 return err;
 870         }
 871
 872         switch (cmd_type) {
 873         case QLC_83XX_MBX_CMD_WAIT:
 874                 if (!wait_for_completion_timeout(&cmd->completion, timeout)) {
 875                         dev_err(&adapter->pdev->dev,
 876                                 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
 877                                 __func__, opcode, cmd_type, ahw->pci_func,
 878                                 ahw->op_mode);
 879                         flush_workqueue(mbx->work_q);
 880                 }
 881                 break;
 882         case QLC_83XX_MBX_CMD_NO_WAIT:
 883                 return 0;
 884         case QLC_83XX_MBX_CMD_BUSY_WAIT:
 885                 qlcnic_83xx_poll_for_mbx_completion(adapter, cmd);
 886                 break;
 887         default:
 888                 dev_err(&adapter->pdev->dev,
 889                         "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
 890                         __func__, opcode, cmd_type, ahw->pci_func,
 891                         ahw->op_mode);
 892                 qlcnic_83xx_detach_mailbox_work(adapter);
 893         }
 894
 895         return cmd->rsp_opcode;
 896 }
 897
 898 int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
 899                                struct qlcnic_adapter *adapter, u32 type)
 900 {
 901         int i, size;
 902         u32 temp;
 903         const struct qlcnic_mailbox_metadata *mbx_tbl;
 904
 905         memset(mbx, 0, sizeof(struct qlcnic_cmd_args));
 906         mbx_tbl = qlcnic_83xx_mbx_tbl;
 907         size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl);
 908         for (i = 0; i < size; i++) {
 909                 if (type == mbx_tbl[i].cmd) {
 910                         mbx->op_type = QLC_83XX_FW_MBX_CMD;
 911                         mbx->req.num = mbx_tbl[i].in_args;
 912                         mbx->rsp.num = mbx_tbl[i].out_args;
 913                         mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32),
 914                                                GFP_ATOMIC);
 915                         if (!mbx->req.arg)
 916                                 return -ENOMEM;
 917                         mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32),
 918                                                GFP_ATOMIC);
 919                         if (!mbx->rsp.arg) {
 920                                 kfree(mbx->req.arg);
 921                                 mbx->req.arg = NULL;
 922                                 return -ENOMEM;
 923                         }
 924                         temp = adapter->ahw->fw_hal_version << 29;
 925                         mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp);
 926                         mbx->cmd_op = type;
 927                         return 0;
 928                 }
 929         }
 930
 931         dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n",
 932                 __func__, type);
 933         return -EINVAL;
 934 }
 935
 936 void qlcnic_83xx_idc_aen_work(struct work_struct *work)
 937 {
 938         struct qlcnic_adapter *adapter;
 939         struct qlcnic_cmd_args cmd;
 940         int i, err = 0;
 941
 942         adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work);
 943         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK);
 944         if (err)
 945                 return;
 946
 947         for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++)
 948                 cmd.req.arg[i] = adapter->ahw->mbox_aen[i];
 949
 950         err = qlcnic_issue_cmd(adapter, &cmd);
 951         if (err)
 952                 dev_info(&adapter->pdev->dev,
 953                          "%s: Mailbox IDC ACK failed.\n", __func__);
 954         qlcnic_free_mbx_args(&cmd);
 955 }
 956
 957 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
 958                                             u32 data[])
 959 {
 960         dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n",
 961                 QLCNIC_MBX_RSP(data[0]));
 962         clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status);
 963         return;
 964 }
 965
 966 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
 967 {
 968         struct qlcnic_hardware_context *ahw = adapter->ahw;
 969         u32 event[QLC_83XX_MBX_AEN_CNT];
 970         int i;
 971
 972         for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
 973                 event[i] = readl(QLCNIC_MBX_FW(ahw, i));
 974
 975         switch (QLCNIC_MBX_RSP(event[0])) {
 976
 977         case QLCNIC_MBX_LINK_EVENT:
 978                 qlcnic_83xx_handle_link_aen(adapter, event);
 979                 break;
 980         case QLCNIC_MBX_COMP_EVENT:
 981                 qlcnic_83xx_handle_idc_comp_aen(adapter, event);
 982                 break;
 983         case QLCNIC_MBX_REQUEST_EVENT:
 984                 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
 985                         adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]);
 986                 queue_delayed_work(adapter->qlcnic_wq,
 987                                    &adapter->idc_aen_work, 0);
 988                 break;
 989         case QLCNIC_MBX_TIME_EXTEND_EVENT:
 990                 ahw->extend_lb_time = event[1] >> 8 & 0xf;
 991                 break;
 992         case QLCNIC_MBX_BC_EVENT:
 993                 qlcnic_sriov_handle_bc_event(adapter, event[1]);
 994                 break;
 995         case QLCNIC_MBX_SFP_INSERT_EVENT:
 996                 dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n",
 997                          QLCNIC_MBX_RSP(event[0]));
 998                 break;
 999         case QLCNIC_MBX_SFP_REMOVE_EVENT:
1000                 dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n",
1001                          QLCNIC_MBX_RSP(event[0]));
1002                 break;
1003         case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT:
1004                 qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]);
1005                 break;
1006         default:
1007                 dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n",
1008                         QLCNIC_MBX_RSP(event[0]));
1009                 break;
1010         }
1011
1012         QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
1013 }
1014
1015 static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
1016 {
1017         u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
1018         struct qlcnic_hardware_context *ahw = adapter->ahw;
1019         struct qlcnic_mailbox *mbx = ahw->mailbox;
1020         unsigned long flags;
1021
1022         spin_lock_irqsave(&mbx->aen_lock, flags);
1023         resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL);
1024         if (resp & QLCNIC_SET_OWNER) {
1025                 event = readl(QLCNIC_MBX_FW(ahw, 0));
1026                 if (event &  QLCNIC_MBX_ASYNC_EVENT) {
1027                         __qlcnic_83xx_process_aen(adapter);
1028                 } else {
1029                         if (mbx->rsp_status != rsp_status)
1030                                 qlcnic_83xx_notify_mbx_response(mbx);
1031                 }
1032         }
1033         spin_unlock_irqrestore(&mbx->aen_lock, flags);
1034 }
1035
1036 static void qlcnic_83xx_mbx_poll_work(struct work_struct *work)
1037 {
1038         struct qlcnic_adapter *adapter;
1039
1040         adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work);
1041
1042         if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1043                 return;
1044
1045         qlcnic_83xx_process_aen(adapter);
1046         queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work,
1047                            (HZ / 10));
1048 }
1049
1050 void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter)
1051 {
1052         if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1053                 return;
1054
1055         INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work);
1056         queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0);
1057 }
1058
1059 void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter)
1060 {
1061         if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1062                 return;
1063         cancel_delayed_work_sync(&adapter->mbx_poll_work);
1064 }
1065
1066 static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter)
1067 {
1068         int index, i, err, sds_mbx_size;
1069         u32 *buf, intrpt_id, intr_mask;
1070         u16 context_id;
1071         u8 num_sds;
1072         struct qlcnic_cmd_args cmd;
1073         struct qlcnic_host_sds_ring *sds;
1074         struct qlcnic_sds_mbx sds_mbx;
1075         struct qlcnic_add_rings_mbx_out *mbx_out;
1076         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1077         struct qlcnic_hardware_context *ahw = adapter->ahw;
1078
1079         sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1080         context_id = recv_ctx->context_id;
1081         num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS;
1082         ahw->hw_ops->alloc_mbx_args(&cmd, adapter,
1083                                     QLCNIC_CMD_ADD_RCV_RINGS);
1084         cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16);
1085
1086         /* set up status rings, mbx 2-81 */
1087         index = 2;
1088         for (i = 8; i < adapter->drv_sds_rings; i++) {
1089                 memset(&sds_mbx, 0, sds_mbx_size);
1090                 sds = &recv_ctx->sds_rings[i];
1091                 sds->consumer = 0;
1092                 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1093                 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1094                 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1095                 sds_mbx.sds_ring_size = sds->num_desc;
1096
1097                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1098                         intrpt_id = ahw->intr_tbl[i].id;
1099                 else
1100                         intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1101
1102                 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1103                         sds_mbx.intrpt_id = intrpt_id;
1104                 else
1105                         sds_mbx.intrpt_id = 0xffff;
1106                 sds_mbx.intrpt_val = 0;
1107                 buf = &cmd.req.arg[index];
1108                 memcpy(buf, &sds_mbx, sds_mbx_size);
1109                 index += sds_mbx_size / sizeof(u32);
1110         }
1111
1112         /* send the mailbox command */
1113         err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1114         if (err) {
1115                 dev_err(&adapter->pdev->dev,
1116                         "Failed to add rings %d\n", err);
1117                 goto out;
1118         }
1119
1120         mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1];
1121         index = 0;
1122         /* status descriptor ring */
1123         for (i = 8; i < adapter->drv_sds_rings; i++) {
1124                 sds = &recv_ctx->sds_rings[i];
1125                 sds->crb_sts_consumer = ahw->pci_base0 +
1126                                         mbx_out->host_csmr[index];
1127                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1128                         intr_mask = ahw->intr_tbl[i].src;
1129                 else
1130                         intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1131
1132                 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1133                 index++;
1134         }
1135 out:
1136         qlcnic_free_mbx_args(&cmd);
1137         return err;
1138 }
1139
1140 void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter)
1141 {
1142         int err;
1143         u32 temp = 0;
1144         struct qlcnic_cmd_args cmd;
1145         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1146
1147         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1148                 return;
1149
1150         if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1151                 cmd.req.arg[0] |= (0x3 << 29);
1152
1153         if (qlcnic_sriov_pf_check(adapter))
1154                 qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp);
1155
1156         cmd.req.arg[1] = recv_ctx->context_id | temp;
1157         err = qlcnic_issue_cmd(adapter, &cmd);
1158         if (err)
1159                 dev_err(&adapter->pdev->dev,
1160                         "Failed to destroy rx ctx in firmware\n");
1161
1162         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
1163         qlcnic_free_mbx_args(&cmd);
1164 }
1165
1166 int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter)
1167 {
1168         int i, err, index, sds_mbx_size, rds_mbx_size;
1169         u8 num_sds, num_rds;
1170         u32 *buf, intrpt_id, intr_mask, cap = 0;
1171         struct qlcnic_host_sds_ring *sds;
1172         struct qlcnic_host_rds_ring *rds;
1173         struct qlcnic_sds_mbx sds_mbx;
1174         struct qlcnic_rds_mbx rds_mbx;
1175         struct qlcnic_cmd_args cmd;
1176         struct qlcnic_rcv_mbx_out *mbx_out;
1177         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1178         struct qlcnic_hardware_context *ahw = adapter->ahw;
1179         num_rds = adapter->max_rds_rings;
1180
1181         if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS)
1182                 num_sds = adapter->drv_sds_rings;
1183         else
1184                 num_sds = QLCNIC_MAX_SDS_RINGS;
1185
1186         sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1187         rds_mbx_size = sizeof(struct qlcnic_rds_mbx);
1188         cap = QLCNIC_CAP0_LEGACY_CONTEXT;
1189
1190         if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
1191                 cap |= QLC_83XX_FW_CAP_LRO_MSS;
1192
1193         /* set mailbox hdr and capabilities */
1194         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1195                                     QLCNIC_CMD_CREATE_RX_CTX);
1196         if (err)
1197                 return err;
1198
1199         if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1200                 cmd.req.arg[0] |= (0x3 << 29);
1201
1202         cmd.req.arg[1] = cap;
1203         cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) |
1204                          (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16);
1205
1206         if (qlcnic_sriov_pf_check(adapter))
1207                 qlcnic_pf_set_interface_id_create_rx_ctx(adapter,
1208                                                          &cmd.req.arg[6]);
1209         /* set up status rings, mbx 8-57/87 */
1210         index = QLC_83XX_HOST_SDS_MBX_IDX;
1211         for (i = 0; i < num_sds; i++) {
1212                 memset(&sds_mbx, 0, sds_mbx_size);
1213                 sds = &recv_ctx->sds_rings[i];
1214                 sds->consumer = 0;
1215                 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1216                 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1217                 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1218                 sds_mbx.sds_ring_size = sds->num_desc;
1219                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1220                         intrpt_id = ahw->intr_tbl[i].id;
1221                 else
1222                         intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1223                 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1224                         sds_mbx.intrpt_id = intrpt_id;
1225                 else
1226                         sds_mbx.intrpt_id = 0xffff;
1227                 sds_mbx.intrpt_val = 0;
1228                 buf = &cmd.req.arg[index];
1229                 memcpy(buf, &sds_mbx, sds_mbx_size);
1230                 index += sds_mbx_size / sizeof(u32);
1231         }
1232         /* set up receive rings, mbx 88-111/135 */
1233         index = QLCNIC_HOST_RDS_MBX_IDX;
1234         rds = &recv_ctx->rds_rings[0];
1235         rds->producer = 0;
1236         memset(&rds_mbx, 0, rds_mbx_size);
1237         rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr);
1238         rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr);
1239         rds_mbx.reg_ring_sz = rds->dma_size;
1240         rds_mbx.reg_ring_len = rds->num_desc;
1241         /* Jumbo ring */
1242         rds = &recv_ctx->rds_rings[1];
1243         rds->producer = 0;
1244         rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr);
1245         rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr);
1246         rds_mbx.jmb_ring_sz = rds->dma_size;
1247         rds_mbx.jmb_ring_len = rds->num_desc;
1248         buf = &cmd.req.arg[index];
1249         memcpy(buf, &rds_mbx, rds_mbx_size);
1250
1251         /* send the mailbox command */
1252         err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1253         if (err) {
1254                 dev_err(&adapter->pdev->dev,
1255                         "Failed to create Rx ctx in firmware%d\n", err);
1256                 goto out;
1257         }
1258         mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1];
1259         recv_ctx->context_id = mbx_out->ctx_id;
1260         recv_ctx->state = mbx_out->state;
1261         recv_ctx->virt_port = mbx_out->vport_id;
1262         dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n",
1263                  recv_ctx->context_id, recv_ctx->state);
1264         /* Receive descriptor ring */
1265         /* Standard ring */
1266         rds = &recv_ctx->rds_rings[0];
1267         rds->crb_rcv_producer = ahw->pci_base0 +
1268                                 mbx_out->host_prod[0].reg_buf;
1269         /* Jumbo ring */
1270         rds = &recv_ctx->rds_rings[1];
1271         rds->crb_rcv_producer = ahw->pci_base0 +
1272                                 mbx_out->host_prod[0].jmb_buf;
1273         /* status descriptor ring */
1274         for (i = 0; i < num_sds; i++) {
1275                 sds = &recv_ctx->sds_rings[i];
1276                 sds->crb_sts_consumer = ahw->pci_base0 +
1277                                         mbx_out->host_csmr[i];
1278                 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1279                         intr_mask = ahw->intr_tbl[i].src;
1280                 else
1281                         intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1282                 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1283         }
1284
1285         if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS)
1286                 err = qlcnic_83xx_add_rings(adapter);
1287 out:
1288         qlcnic_free_mbx_args(&cmd);
1289         return err;
1290 }
1291
1292 void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter,
1293                             struct qlcnic_host_tx_ring *tx_ring)
1294 {
1295         struct qlcnic_cmd_args cmd;
1296         u32 temp = 0;
1297
1298         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1299                 return;
1300
1301         if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1302                 cmd.req.arg[0] |= (0x3 << 29);
1303
1304         if (qlcnic_sriov_pf_check(adapter))
1305                 qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp);
1306
1307         cmd.req.arg[1] = tx_ring->ctx_id | temp;
1308         if (qlcnic_issue_cmd(adapter, &cmd))
1309                 dev_err(&adapter->pdev->dev,
1310                         "Failed to destroy tx ctx in firmware\n");
1311         qlcnic_free_mbx_args(&cmd);
1312 }
1313
1314 int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter,
1315                               struct qlcnic_host_tx_ring *tx, int ring)
1316 {
1317         int err;
1318         u16 msix_id;
1319         u32 *buf, intr_mask, temp = 0;
1320         struct qlcnic_cmd_args cmd;
1321         struct qlcnic_tx_mbx mbx;
1322         struct qlcnic_tx_mbx_out *mbx_out;
1323         struct qlcnic_hardware_context *ahw = adapter->ahw;
1324         u32 msix_vector;
1325
1326         /* Reset host resources */
1327         tx->producer = 0;
1328         tx->sw_consumer = 0;
1329         *(tx->hw_consumer) = 0;
1330
1331         memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx));
1332
1333         /* setup mailbox inbox registerss */
1334         mbx.phys_addr_low = LSD(tx->phys_addr);
1335         mbx.phys_addr_high = MSD(tx->phys_addr);
1336         mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr);
1337         mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr);
1338         mbx.size = tx->num_desc;
1339         if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1340                 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
1341                         msix_vector = adapter->drv_sds_rings + ring;
1342                 else
1343                         msix_vector = adapter->drv_sds_rings - 1;
1344                 msix_id = ahw->intr_tbl[msix_vector].id;
1345         } else {
1346                 msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1347         }
1348
1349         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1350                 mbx.intr_id = msix_id;
1351         else
1352                 mbx.intr_id = 0xffff;
1353         mbx.src = 0;
1354
1355         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
1356         if (err)
1357                 return err;
1358
1359         if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1360                 cmd.req.arg[0] |= (0x3 << 29);
1361
1362         if (qlcnic_sriov_pf_check(adapter))
1363                 qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp);
1364
1365         cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT;
1366         cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp;
1367
1368         buf = &cmd.req.arg[6];
1369         memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx));
1370         /* send the mailbox command*/
1371         err = qlcnic_issue_cmd(adapter, &cmd);
1372         if (err) {
1373                 netdev_err(adapter->netdev,
1374                            "Failed to create Tx ctx in firmware 0x%x\n", err);
1375                 goto out;
1376         }
1377         mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2];
1378         tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod;
1379         tx->ctx_id = mbx_out->ctx_id;
1380         if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
1381             !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1382                 intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src;
1383                 tx->crb_intr_mask = ahw->pci_base0 + intr_mask;
1384         }
1385         netdev_info(adapter->netdev,
1386                     "Tx Context[0x%x] Created, state:0x%x\n",
1387                     tx->ctx_id, mbx_out->state);
1388 out:
1389         qlcnic_free_mbx_args(&cmd);
1390         return err;
1391 }
1392
1393 static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test,
1394                                       u8 num_sds_ring)
1395 {
1396         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1397         struct qlcnic_host_sds_ring *sds_ring;
1398         struct qlcnic_host_rds_ring *rds_ring;
1399         u16 adapter_state = adapter->is_up;
1400         u8 ring;
1401         int ret;
1402
1403         netif_device_detach(netdev);
1404
1405         if (netif_running(netdev))
1406                 __qlcnic_down(adapter, netdev);
1407
1408         qlcnic_detach(adapter);
1409
1410         adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
1411         adapter->ahw->diag_test = test;
1412         adapter->ahw->linkup = 0;
1413
1414         ret = qlcnic_attach(adapter);
1415         if (ret) {
1416                 netif_device_attach(netdev);
1417                 return ret;
1418         }
1419
1420         ret = qlcnic_fw_create_ctx(adapter);
1421         if (ret) {
1422                 qlcnic_detach(adapter);
1423                 if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) {
1424                         adapter->drv_sds_rings = num_sds_ring;
1425                         qlcnic_attach(adapter);
1426                 }
1427                 netif_device_attach(netdev);
1428                 return ret;
1429         }
1430
1431         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1432                 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1433                 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1434         }
1435
1436         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1437                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1438                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1439                         qlcnic_enable_sds_intr(adapter, sds_ring);
1440                 }
1441         }
1442
1443         if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1444                 adapter->ahw->loopback_state = 0;
1445                 adapter->ahw->hw_ops->setup_link_event(adapter, 1);
1446         }
1447
1448         set_bit(__QLCNIC_DEV_UP, &adapter->state);
1449         return 0;
1450 }
1451
1452 static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
1453                                       u8 drv_sds_rings)
1454 {
1455         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1456         struct qlcnic_host_sds_ring *sds_ring;
1457         int ring;
1458
1459         clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1460         if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1461                 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1462                         sds_ring = &adapter->recv_ctx->sds_rings[ring];
1463                         if (adapter->flags & QLCNIC_MSIX_ENABLED)
1464                                 qlcnic_disable_sds_intr(adapter, sds_ring);
1465                 }
1466         }
1467
1468         qlcnic_fw_destroy_ctx(adapter);
1469         qlcnic_detach(adapter);
1470
1471         adapter->ahw->diag_test = 0;
1472         adapter->drv_sds_rings = drv_sds_rings;
1473
1474         if (qlcnic_attach(adapter))
1475                 goto out;
1476
1477         if (netif_running(netdev))
1478                 __qlcnic_up(adapter, netdev);
1479
1480 out:
1481         netif_device_attach(netdev);
1482 }
1483
1484 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter)
1485 {
1486         struct qlcnic_hardware_context *ahw = adapter->ahw;
1487         struct qlcnic_cmd_args cmd;
1488         u8 beacon_state;
1489         int err = 0;
1490
1491         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG);
1492         if (!err) {
1493                 err = qlcnic_issue_cmd(adapter, &cmd);
1494                 if (!err) {
1495                         beacon_state = cmd.rsp.arg[4];
1496                         if (beacon_state == QLCNIC_BEACON_DISABLE)
1497                                 ahw->beacon_state = QLC_83XX_BEACON_OFF;
1498                         else if (beacon_state == QLC_83XX_ENABLE_BEACON)
1499                                 ahw->beacon_state = QLC_83XX_BEACON_ON;
1500                 }
1501         } else {
1502                 netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n",
1503                            err);
1504         }
1505
1506         qlcnic_free_mbx_args(&cmd);
1507
1508         return;
1509 }
1510
1511 int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state,
1512                            u32 beacon)
1513 {
1514         struct qlcnic_cmd_args cmd;
1515         u32 mbx_in;
1516         int i, status = 0;
1517
1518         if (state) {
1519                 /* Get LED configuration */
1520                 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1521                                                QLCNIC_CMD_GET_LED_CONFIG);
1522                 if (status)
1523                         return status;
1524
1525                 status = qlcnic_issue_cmd(adapter, &cmd);
1526                 if (status) {
1527                         dev_err(&adapter->pdev->dev,
1528                                 "Get led config failed.\n");
1529                         goto mbx_err;
1530                 } else {
1531                         for (i = 0; i < 4; i++)
1532                                 adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1];
1533                 }
1534                 qlcnic_free_mbx_args(&cmd);
1535                 /* Set LED Configuration */
1536                 mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) |
1537                           LSW(QLC_83XX_LED_CONFIG);
1538                 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1539                                                QLCNIC_CMD_SET_LED_CONFIG);
1540                 if (status)
1541                         return status;
1542
1543                 cmd.req.arg[1] = mbx_in;
1544                 cmd.req.arg[2] = mbx_in;
1545                 cmd.req.arg[3] = mbx_in;
1546                 if (beacon)
1547                         cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON;
1548                 status = qlcnic_issue_cmd(adapter, &cmd);
1549                 if (status) {
1550                         dev_err(&adapter->pdev->dev,
1551                                 "Set led config failed.\n");
1552                 }
1553 mbx_err:
1554                 qlcnic_free_mbx_args(&cmd);
1555                 return status;
1556
1557         } else {
1558                 /* Restoring default LED configuration */
1559                 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1560                                                QLCNIC_CMD_SET_LED_CONFIG);
1561                 if (status)
1562                         return status;
1563
1564                 cmd.req.arg[1] = adapter->ahw->mbox_reg[0];
1565                 cmd.req.arg[2] = adapter->ahw->mbox_reg[1];
1566                 cmd.req.arg[3] = adapter->ahw->mbox_reg[2];
1567                 if (beacon)
1568                         cmd.req.arg[4] = adapter->ahw->mbox_reg[3];
1569                 status = qlcnic_issue_cmd(adapter, &cmd);
1570                 if (status)
1571                         dev_err(&adapter->pdev->dev,
1572                                 "Restoring led config failed.\n");
1573                 qlcnic_free_mbx_args(&cmd);
1574                 return status;
1575         }
1576 }
1577
1578 int  qlcnic_83xx_set_led(struct net_device *netdev,
1579                          enum ethtool_phys_id_state state)
1580 {
1581         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1582         int err = -EIO, active = 1;
1583
1584         if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1585                 netdev_warn(netdev,
1586                             "LED test is not supported in non-privileged mode\n");
1587                 return -EOPNOTSUPP;
1588         }
1589
1590         switch (state) {
1591         case ETHTOOL_ID_ACTIVE:
1592                 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1593                         return -EBUSY;
1594
1595                 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1596                         break;
1597
1598                 err = qlcnic_83xx_config_led(adapter, active, 0);
1599                 if (err)
1600                         netdev_err(netdev, "Failed to set LED blink state\n");
1601                 break;
1602         case ETHTOOL_ID_INACTIVE:
1603                 active = 0;
1604
1605                 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1606                         break;
1607
1608                 err = qlcnic_83xx_config_led(adapter, active, 0);
1609                 if (err)
1610                         netdev_err(netdev, "Failed to reset LED blink state\n");
1611                 break;
1612
1613         default:
1614                 return -EINVAL;
1615         }
1616
1617         if (!active || err)
1618                 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1619
1620         return err;
1621 }
1622
1623 void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable)
1624 {
1625         struct qlcnic_cmd_args cmd;
1626         int status;
1627
1628         if (qlcnic_sriov_vf_check(adapter))
1629                 return;
1630
1631         if (enable)
1632                 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1633                                                QLCNIC_CMD_INIT_NIC_FUNC);
1634         else
1635                 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1636                                                QLCNIC_CMD_STOP_NIC_FUNC);
1637
1638         if (status)
1639                 return;
1640
1641         cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES;
1642
1643         if (adapter->dcb)
1644                 cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN;
1645
1646         status = qlcnic_issue_cmd(adapter, &cmd);
1647         if (status)
1648                 dev_err(&adapter->pdev->dev,
1649                         "Failed to %s in NIC IDC function event.\n",
1650                         (enable ? "register" : "unregister"));
1651
1652         qlcnic_free_mbx_args(&cmd);
1653 }
1654
1655 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter)
1656 {
1657         struct qlcnic_cmd_args cmd;
1658         int err;
1659
1660         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG);
1661         if (err)
1662                 return err;
1663
1664         cmd.req.arg[1] = adapter->ahw->port_config;
1665         err = qlcnic_issue_cmd(adapter, &cmd);
1666         if (err)
1667                 dev_info(&adapter->pdev->dev, "Set Port Config failed.\n");
1668         qlcnic_free_mbx_args(&cmd);
1669         return err;
1670 }
1671
1672 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter)
1673 {
1674         struct qlcnic_cmd_args cmd;
1675         int err;
1676
1677         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG);
1678         if (err)
1679                 return err;
1680
1681         err = qlcnic_issue_cmd(adapter, &cmd);
1682         if (err)
1683                 dev_info(&adapter->pdev->dev, "Get Port config failed\n");
1684         else
1685                 adapter->ahw->port_config = cmd.rsp.arg[1];
1686         qlcnic_free_mbx_args(&cmd);
1687         return err;
1688 }
1689
1690 int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable)
1691 {
1692         int err;
1693         u32 temp;
1694         struct qlcnic_cmd_args cmd;
1695
1696         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT);
1697         if (err)
1698                 return err;
1699
1700         temp = adapter->recv_ctx->context_id << 16;
1701         cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp;
1702         err = qlcnic_issue_cmd(adapter, &cmd);
1703         if (err)
1704                 dev_info(&adapter->pdev->dev,
1705                          "Setup linkevent mailbox failed\n");
1706         qlcnic_free_mbx_args(&cmd);
1707         return err;
1708 }
1709
1710 static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1711                                                  u32 *interface_id)
1712 {
1713         if (qlcnic_sriov_pf_check(adapter)) {
1714                 qlcnic_alloc_lb_filters_mem(adapter);
1715                 qlcnic_pf_set_interface_id_promisc(adapter, interface_id);
1716                 adapter->rx_mac_learn = true;
1717         } else {
1718                 if (!qlcnic_sriov_vf_check(adapter))
1719                         *interface_id = adapter->recv_ctx->context_id << 16;
1720         }
1721 }
1722
1723 int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
1724 {
1725         struct qlcnic_cmd_args *cmd = NULL;
1726         u32 temp = 0;
1727         int err;
1728
1729         if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
1730                 return -EIO;
1731
1732         cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
1733         if (!cmd)
1734                 return -ENOMEM;
1735
1736         err = qlcnic_alloc_mbx_args(cmd, adapter,
1737                                     QLCNIC_CMD_CONFIGURE_MAC_RX_MODE);
1738         if (err)
1739                 goto out;
1740
1741         cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
1742         qlcnic_83xx_set_interface_id_promisc(adapter, &temp);
1743
1744         if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter))
1745                 mode = VPORT_MISS_MODE_ACCEPT_ALL;
1746
1747         cmd->req.arg[1] = mode | temp;
1748         err = qlcnic_issue_cmd(adapter, cmd);
1749         if (!err)
1750                 return err;
1751
1752         qlcnic_free_mbx_args(cmd);
1753
1754 out:
1755         kfree(cmd);
1756         return err;
1757 }
1758
1759 int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
1760 {
1761         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1762         struct qlcnic_hardware_context *ahw = adapter->ahw;
1763         u8 drv_sds_rings = adapter->drv_sds_rings;
1764         u8 drv_tx_rings = adapter->drv_tx_rings;
1765         int ret = 0, loop = 0;
1766
1767         if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1768                 netdev_warn(netdev,
1769                             "Loopback test not supported in non privileged mode\n");
1770                 return -ENOTSUPP;
1771         }
1772
1773         if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1774                 netdev_info(netdev, "Device is resetting\n");
1775                 return -EBUSY;
1776         }
1777
1778         if (qlcnic_get_diag_lock(adapter)) {
1779                 netdev_info(netdev, "Device is in diagnostics mode\n");
1780                 return -EBUSY;
1781         }
1782
1783         netdev_info(netdev, "%s loopback test in progress\n",
1784                     mode == QLCNIC_ILB_MODE ? "internal" : "external");
1785
1786         ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST,
1787                                          drv_sds_rings);
1788         if (ret)
1789                 goto fail_diag_alloc;
1790
1791         ret = qlcnic_83xx_set_lb_mode(adapter, mode);
1792         if (ret)
1793                 goto free_diag_res;
1794
1795         /* Poll for link up event before running traffic */
1796         do {
1797                 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1798
1799                 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1800                         netdev_info(netdev,
1801                                     "Device is resetting, free LB test resources\n");
1802                         ret = -EBUSY;
1803                         goto free_diag_res;
1804                 }
1805                 if (loop++ > QLC_83XX_LB_WAIT_COUNT) {
1806                         netdev_info(netdev,
1807                                     "Firmware didn't sent link up event to loopback request\n");
1808                         ret = -ETIMEDOUT;
1809                         qlcnic_83xx_clear_lb_mode(adapter, mode);
1810                         goto free_diag_res;
1811                 }
1812         } while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
1813
1814         ret = qlcnic_do_lb_test(adapter, mode);
1815
1816         qlcnic_83xx_clear_lb_mode(adapter, mode);
1817
1818 free_diag_res:
1819         qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
1820
1821 fail_diag_alloc:
1822         adapter->drv_sds_rings = drv_sds_rings;
1823         adapter->drv_tx_rings = drv_tx_rings;
1824         qlcnic_release_diag_lock(adapter);
1825         return ret;
1826 }
1827
1828 static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter,
1829                                              u32 *max_wait_count)
1830 {
1831         struct qlcnic_hardware_context *ahw = adapter->ahw;
1832         int temp;
1833
1834         netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n",
1835                     ahw->extend_lb_time);
1836         temp = ahw->extend_lb_time * 1000;
1837         *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT;
1838         ahw->extend_lb_time = 0;
1839 }
1840
1841 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1842 {
1843         struct qlcnic_hardware_context *ahw = adapter->ahw;
1844         struct net_device *netdev = adapter->netdev;
1845         u32 config, max_wait_count;
1846         int status = 0, loop = 0;
1847
1848         ahw->extend_lb_time = 0;
1849         max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1850         status = qlcnic_83xx_get_port_config(adapter);
1851         if (status)
1852                 return status;
1853
1854         config = ahw->port_config;
1855
1856         /* Check if port is already in loopback mode */
1857         if ((config & QLC_83XX_CFG_LOOPBACK_HSS) ||
1858             (config & QLC_83XX_CFG_LOOPBACK_EXT)) {
1859                 netdev_err(netdev,
1860                            "Port already in Loopback mode.\n");
1861                 return -EINPROGRESS;
1862         }
1863
1864         set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1865
1866         if (mode == QLCNIC_ILB_MODE)
1867                 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS;
1868         if (mode == QLCNIC_ELB_MODE)
1869                 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT;
1870
1871         status = qlcnic_83xx_set_port_config(adapter);
1872         if (status) {
1873                 netdev_err(netdev,
1874                            "Failed to Set Loopback Mode = 0x%x.\n",
1875                            ahw->port_config);
1876                 ahw->port_config = config;
1877                 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1878                 return status;
1879         }
1880
1881         /* Wait for Link and IDC Completion AEN */
1882         do {
1883                 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1884
1885                 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1886                         netdev_info(netdev,
1887                                     "Device is resetting, free LB test resources\n");
1888                         clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1889                         return -EBUSY;
1890                 }
1891
1892                 if (ahw->extend_lb_time)
1893                         qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1894                                                          &max_wait_count);
1895
1896                 if (loop++ > max_wait_count) {
1897                         netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1898                                    __func__);
1899                         clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1900                         qlcnic_83xx_clear_lb_mode(adapter, mode);
1901                         return -ETIMEDOUT;
1902                 }
1903         } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1904
1905         qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1906                                   QLCNIC_MAC_ADD);
1907         return status;
1908 }
1909
1910 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1911 {
1912         struct qlcnic_hardware_context *ahw = adapter->ahw;
1913         u32 config = ahw->port_config, max_wait_count;
1914         struct net_device *netdev = adapter->netdev;
1915         int status = 0, loop = 0;
1916
1917         ahw->extend_lb_time = 0;
1918         max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1919         set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1920         if (mode == QLCNIC_ILB_MODE)
1921                 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS;
1922         if (mode == QLCNIC_ELB_MODE)
1923                 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT;
1924
1925         status = qlcnic_83xx_set_port_config(adapter);
1926         if (status) {
1927                 netdev_err(netdev,
1928                            "Failed to Clear Loopback Mode = 0x%x.\n",
1929                            ahw->port_config);
1930                 ahw->port_config = config;
1931                 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1932                 return status;
1933         }
1934
1935         /* Wait for Link and IDC Completion AEN */
1936         do {
1937                 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1938
1939                 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1940                         netdev_info(netdev,
1941                                     "Device is resetting, free LB test resources\n");
1942                         clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1943                         return -EBUSY;
1944                 }
1945
1946                 if (ahw->extend_lb_time)
1947                         qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1948                                                          &max_wait_count);
1949
1950                 if (loop++ > max_wait_count) {
1951                         netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1952                                    __func__);
1953                         clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1954                         return -ETIMEDOUT;
1955                 }
1956         } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1957
1958         qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1959                                   QLCNIC_MAC_DEL);
1960         return status;
1961 }
1962
1963 static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1964                                                 u32 *interface_id)
1965 {
1966         if (qlcnic_sriov_pf_check(adapter)) {
1967                 qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id);
1968         } else {
1969                 if (!qlcnic_sriov_vf_check(adapter))
1970                         *interface_id = adapter->recv_ctx->context_id << 16;
1971         }
1972 }
1973
1974 void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip,
1975                                int mode)
1976 {
1977         int err;
1978         u32 temp = 0, temp_ip;
1979         struct qlcnic_cmd_args cmd;
1980
1981         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1982                                     QLCNIC_CMD_CONFIGURE_IP_ADDR);
1983         if (err)
1984                 return;
1985
1986         qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp);
1987
1988         if (mode == QLCNIC_IP_UP)
1989                 cmd.req.arg[1] = 1 | temp;
1990         else
1991                 cmd.req.arg[1] = 2 | temp;
1992
1993         /*
1994          * Adapter needs IP address in network byte order.
1995          * But hardware mailbox registers go through writel(), hence IP address
1996          * gets swapped on big endian architecture.
1997          * To negate swapping of writel() on big endian architecture
1998          * use swab32(value).
1999          */
2000
2001         temp_ip = swab32(ntohl(ip));
2002         memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32));
2003         err = qlcnic_issue_cmd(adapter, &cmd);
2004         if (err != QLCNIC_RCODE_SUCCESS)
2005                 dev_err(&adapter->netdev->dev,
2006                         "could not notify %s IP 0x%x request\n",
2007                         (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
2008
2009         qlcnic_free_mbx_args(&cmd);
2010 }
2011
2012 int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode)
2013 {
2014         int err;
2015         u32 temp, arg1;
2016         struct qlcnic_cmd_args cmd;
2017         int lro_bit_mask;
2018
2019         lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0);
2020
2021         if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2022                 return 0;
2023
2024         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO);
2025         if (err)
2026                 return err;
2027
2028         temp = adapter->recv_ctx->context_id << 16;
2029         arg1 = lro_bit_mask | temp;
2030         cmd.req.arg[1] = arg1;
2031
2032         err = qlcnic_issue_cmd(adapter, &cmd);
2033         if (err)
2034                 dev_info(&adapter->pdev->dev, "LRO config failed\n");
2035         qlcnic_free_mbx_args(&cmd);
2036
2037         return err;
2038 }
2039
2040 int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable)
2041 {
2042         int err;
2043         u32 word;
2044         struct qlcnic_cmd_args cmd;
2045         const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
2046                             0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
2047                             0x255b0ec26d5a56daULL };
2048
2049         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS);
2050         if (err)
2051                 return err;
2052         /*
2053          * RSS request:
2054          * bits 3-0: Rsvd
2055          *      5-4: hash_type_ipv4
2056          *      7-6: hash_type_ipv6
2057          *        8: enable
2058          *        9: use indirection table
2059          *    16-31: indirection table mask
2060          */
2061         word =  ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
2062                 ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
2063                 ((u32)(enable & 0x1) << 8) |
2064                 ((0x7ULL) << 16);
2065         cmd.req.arg[1] = (adapter->recv_ctx->context_id);
2066         cmd.req.arg[2] = word;
2067         memcpy(&cmd.req.arg[4], key, sizeof(key));
2068
2069         err = qlcnic_issue_cmd(adapter, &cmd);
2070
2071         if (err)
2072                 dev_info(&adapter->pdev->dev, "RSS config failed\n");
2073         qlcnic_free_mbx_args(&cmd);
2074
2075         return err;
2076
2077 }
2078
2079 static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
2080                                                  u32 *interface_id)
2081 {
2082         if (qlcnic_sriov_pf_check(adapter)) {
2083                 qlcnic_pf_set_interface_id_macaddr(adapter, interface_id);
2084         } else {
2085                 if (!qlcnic_sriov_vf_check(adapter))
2086                         *interface_id = adapter->recv_ctx->context_id << 16;
2087         }
2088 }
2089
2090 int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
2091                                    u16 vlan_id, u8 op)
2092 {
2093         struct qlcnic_cmd_args *cmd = NULL;
2094         struct qlcnic_macvlan_mbx mv;
2095         u32 *buf, temp = 0;
2096         int err;
2097
2098         if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2099                 return -EIO;
2100
2101         cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
2102         if (!cmd)
2103                 return -ENOMEM;
2104
2105         err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN);
2106         if (err)
2107                 goto out;
2108
2109         cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
2110
2111         if (vlan_id)
2112                 op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
2113                      QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
2114
2115         cmd->req.arg[1] = op | (1 << 8);
2116         qlcnic_83xx_set_interface_id_macaddr(adapter, &temp);
2117         cmd->req.arg[1] |= temp;
2118         mv.vlan = vlan_id;
2119         mv.mac_addr0 = addr[0];
2120         mv.mac_addr1 = addr[1];
2121         mv.mac_addr2 = addr[2];
2122         mv.mac_addr3 = addr[3];
2123         mv.mac_addr4 = addr[4];
2124         mv.mac_addr5 = addr[5];
2125         buf = &cmd->req.arg[2];
2126         memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
2127         err = qlcnic_issue_cmd(adapter, cmd);
2128         if (!err)
2129                 return err;
2130
2131         qlcnic_free_mbx_args(cmd);
2132 out:
2133         kfree(cmd);
2134         return err;
2135 }
2136
2137 void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr,
2138                                   u16 vlan_id)
2139 {
2140         u8 mac[ETH_ALEN];
2141         memcpy(&mac, addr, ETH_ALEN);
2142         qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD);
2143 }
2144
2145 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac,
2146                                       u8 type, struct qlcnic_cmd_args *cmd)
2147 {
2148         switch (type) {
2149         case QLCNIC_SET_STATION_MAC:
2150         case QLCNIC_SET_FAC_DEF_MAC:
2151                 memcpy(&cmd->req.arg[2], mac, sizeof(u32));
2152                 memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16));
2153                 break;
2154         }
2155         cmd->req.arg[1] = type;
2156 }
2157
2158 int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
2159                                 u8 function)
2160 {
2161         int err, i;
2162         struct qlcnic_cmd_args cmd;
2163         u32 mac_low, mac_high;
2164
2165         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
2166         if (err)
2167                 return err;
2168
2169         qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd);
2170         err = qlcnic_issue_cmd(adapter, &cmd);
2171
2172         if (err == QLCNIC_RCODE_SUCCESS) {
2173                 mac_low = cmd.rsp.arg[1];
2174                 mac_high = cmd.rsp.arg[2];
2175
2176                 for (i = 0; i < 2; i++)
2177                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
2178                 for (i = 2; i < 6; i++)
2179                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
2180         } else {
2181                 dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n",
2182                         err);
2183                 err = -EIO;
2184         }
2185         qlcnic_free_mbx_args(&cmd);
2186         return err;
2187 }
2188
2189 static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter)
2190 {
2191         struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2192         struct qlcnic_cmd_args cmd;
2193         u16 temp;
2194         int err;
2195
2196         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2197         if (err)
2198                 return err;
2199
2200         temp = adapter->recv_ctx->context_id;
2201         cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16;
2202         temp = coal->rx_time_us;
2203         cmd.req.arg[2] = coal->rx_packets | temp << 16;
2204         cmd.req.arg[3] = coal->flag;
2205
2206         err = qlcnic_issue_cmd(adapter, &cmd);
2207         if (err != QLCNIC_RCODE_SUCCESS)
2208                 netdev_err(adapter->netdev,
2209                            "failed to set interrupt coalescing parameters\n");
2210
2211         qlcnic_free_mbx_args(&cmd);
2212
2213         return err;
2214 }
2215
2216 static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter)
2217 {
2218         struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2219         struct qlcnic_cmd_args cmd;
2220         u16 temp;
2221         int err;
2222
2223         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2224         if (err)
2225                 return err;
2226
2227         temp = adapter->tx_ring->ctx_id;
2228         cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16;
2229         temp = coal->tx_time_us;
2230         cmd.req.arg[2] = coal->tx_packets | temp << 16;
2231         cmd.req.arg[3] = coal->flag;
2232
2233         err = qlcnic_issue_cmd(adapter, &cmd);
2234         if (err != QLCNIC_RCODE_SUCCESS)
2235                 netdev_err(adapter->netdev,
2236                            "failed to set interrupt coalescing  parameters\n");
2237
2238         qlcnic_free_mbx_args(&cmd);
2239
2240         return err;
2241 }
2242
2243 int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter)
2244 {
2245         int err = 0;
2246
2247         err = qlcnic_83xx_set_rx_intr_coal(adapter);
2248         if (err)
2249                 netdev_err(adapter->netdev,
2250                            "failed to set Rx coalescing parameters\n");
2251
2252         err = qlcnic_83xx_set_tx_intr_coal(adapter);
2253         if (err)
2254                 netdev_err(adapter->netdev,
2255                            "failed to set Tx coalescing parameters\n");
2256
2257         return err;
2258 }
2259
2260 int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter,
2261                                  struct ethtool_coalesce *ethcoal)
2262 {
2263         struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2264         u32 rx_coalesce_usecs, rx_max_frames;
2265         u32 tx_coalesce_usecs, tx_max_frames;
2266         int err;
2267
2268         if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2269                 return -EIO;
2270
2271         tx_coalesce_usecs = ethcoal->tx_coalesce_usecs;
2272         tx_max_frames = ethcoal->tx_max_coalesced_frames;
2273         rx_coalesce_usecs = ethcoal->rx_coalesce_usecs;
2274         rx_max_frames = ethcoal->rx_max_coalesced_frames;
2275         coal->flag = QLCNIC_INTR_DEFAULT;
2276
2277         if ((coal->rx_time_us == rx_coalesce_usecs) &&
2278             (coal->rx_packets == rx_max_frames)) {
2279                 coal->type = QLCNIC_INTR_COAL_TYPE_TX;
2280                 coal->tx_time_us = tx_coalesce_usecs;
2281                 coal->tx_packets = tx_max_frames;
2282         } else if ((coal->tx_time_us == tx_coalesce_usecs) &&
2283                    (coal->tx_packets == tx_max_frames)) {
2284                 coal->type = QLCNIC_INTR_COAL_TYPE_RX;
2285                 coal->rx_time_us = rx_coalesce_usecs;
2286                 coal->rx_packets = rx_max_frames;
2287         } else {
2288                 coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2289                 coal->rx_time_us = rx_coalesce_usecs;
2290                 coal->rx_packets = rx_max_frames;
2291                 coal->tx_time_us = tx_coalesce_usecs;
2292                 coal->tx_packets = tx_max_frames;
2293         }
2294
2295         switch (coal->type) {
2296         case QLCNIC_INTR_COAL_TYPE_RX:
2297                 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2298                 break;
2299         case QLCNIC_INTR_COAL_TYPE_TX:
2300                 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2301                 break;
2302         case QLCNIC_INTR_COAL_TYPE_RX_TX:
2303                 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
2304                 break;
2305         default:
2306                 err = -EINVAL;
2307                 netdev_err(adapter->netdev,
2308                            "Invalid Interrupt coalescing type\n");
2309                 break;
2310         }
2311
2312         return err;
2313 }
2314
2315 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
2316                                         u32 data[])
2317 {
2318         struct qlcnic_hardware_context *ahw = adapter->ahw;
2319         u8 link_status, duplex;
2320         /* link speed */
2321         link_status = LSB(data[3]) & 1;
2322         if (link_status) {
2323                 ahw->link_speed = MSW(data[2]);
2324                 duplex = LSB(MSW(data[3]));
2325                 if (duplex)
2326                         ahw->link_duplex = DUPLEX_FULL;
2327                 else
2328                         ahw->link_duplex = DUPLEX_HALF;
2329         } else {
2330                 ahw->link_speed = SPEED_UNKNOWN;
2331                 ahw->link_duplex = DUPLEX_UNKNOWN;
2332         }
2333
2334         ahw->link_autoneg = MSB(MSW(data[3]));
2335         ahw->module_type = MSB(LSW(data[3]));
2336         ahw->has_link_events = 1;
2337         ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK;
2338         qlcnic_advert_link_change(adapter, link_status);
2339 }
2340
2341 static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data)
2342 {
2343         u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
2344         struct qlcnic_adapter *adapter = data;
2345         struct qlcnic_mailbox *mbx;
2346         unsigned long flags;
2347
2348         mbx = adapter->ahw->mailbox;
2349         spin_lock_irqsave(&mbx->aen_lock, flags);
2350         resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
2351         if (!(resp & QLCNIC_SET_OWNER))
2352                 goto out;
2353
2354         event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
2355         if (event &  QLCNIC_MBX_ASYNC_EVENT) {
2356                 __qlcnic_83xx_process_aen(adapter);
2357         } else {
2358                 if (mbx->rsp_status != rsp_status)
2359                         qlcnic_83xx_notify_mbx_response(mbx);
2360                 else
2361                         adapter->stats.mbx_spurious_intr++;
2362         }
2363
2364 out:
2365         mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
2366         writel(0, adapter->ahw->pci_base0 + mask);
2367         spin_unlock_irqrestore(&mbx->aen_lock, flags);
2368         return IRQ_HANDLED;
2369 }
2370
2371 int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter,
2372                              struct qlcnic_info *nic)
2373 {
2374         int i, err = -EIO;
2375         struct qlcnic_cmd_args cmd;
2376
2377         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
2378                 dev_err(&adapter->pdev->dev,
2379                         "%s: Error, invoked by non management func\n",
2380                         __func__);
2381                 return err;
2382         }
2383
2384         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
2385         if (err)
2386                 return err;
2387
2388         cmd.req.arg[1] = (nic->pci_func << 16);
2389         cmd.req.arg[2] = 0x1 << 16;
2390         cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16);
2391         cmd.req.arg[4] = nic->capabilities;
2392         cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16);
2393         cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16);
2394         cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16);
2395         for (i = 8; i < 32; i++)
2396                 cmd.req.arg[i] = 0;
2397
2398         err = qlcnic_issue_cmd(adapter, &cmd);
2399
2400         if (err != QLCNIC_RCODE_SUCCESS) {
2401                 dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n",
2402                         err);
2403                 err = -EIO;
2404         }
2405
2406         qlcnic_free_mbx_args(&cmd);
2407
2408         return err;
2409 }
2410
2411 int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter,
2412                              struct qlcnic_info *npar_info, u8 func_id)
2413 {
2414         int err;
2415         u32 temp;
2416         u8 op = 0;
2417         struct qlcnic_cmd_args cmd;
2418         struct qlcnic_hardware_context *ahw = adapter->ahw;
2419
2420         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
2421         if (err)
2422                 return err;
2423
2424         if (func_id != ahw->pci_func) {
2425                 temp = func_id << 16;
2426                 cmd.req.arg[1] = op | BIT_31 | temp;
2427         } else {
2428                 cmd.req.arg[1] = ahw->pci_func << 16;
2429         }
2430         err = qlcnic_issue_cmd(adapter, &cmd);
2431         if (err) {
2432                 dev_info(&adapter->pdev->dev,
2433                          "Failed to get nic info %d\n", err);
2434                 goto out;
2435         }
2436
2437         npar_info->op_type = cmd.rsp.arg[1];
2438         npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF;
2439         npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16;
2440         npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF;
2441         npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16;
2442         npar_info->capabilities = cmd.rsp.arg[4];
2443         npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF;
2444         npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16;
2445         npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF;
2446         npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16;
2447         npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF;
2448         npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16;
2449         if (cmd.rsp.arg[8] & 0x1)
2450                 npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1;
2451         if (cmd.rsp.arg[8] & 0x10000) {
2452                 temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17;
2453                 npar_info->max_linkspeed_reg_offset = temp;
2454         }
2455
2456         memcpy(ahw->extra_capability, &cmd.rsp.arg[16],
2457                sizeof(ahw->extra_capability));
2458
2459 out:
2460         qlcnic_free_mbx_args(&cmd);
2461         return err;
2462 }
2463
2464 int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type,
2465                              u16 *nic, u16 *fcoe, u16 *iscsi)
2466 {
2467         struct device *dev = &adapter->pdev->dev;
2468         int err = 0;
2469
2470         switch (type) {
2471         case QLCNIC_TYPE_NIC:
2472                 (*nic)++;
2473                 break;
2474         case QLCNIC_TYPE_FCOE:
2475                 (*fcoe)++;
2476                 break;
2477         case QLCNIC_TYPE_ISCSI:
2478                 (*iscsi)++;
2479                 break;
2480         default:
2481                 dev_err(dev, "%s: Unknown PCI type[%x]\n",
2482                         __func__, type);
2483                 err = -EIO;
2484         }
2485
2486         return err;
2487 }
2488
2489 int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter,
2490                              struct qlcnic_pci_info *pci_info)
2491 {
2492         struct qlcnic_hardware_context *ahw = adapter->ahw;
2493         struct device *dev = &adapter->pdev->dev;
2494         u16 nic = 0, fcoe = 0, iscsi = 0;
2495         struct qlcnic_cmd_args cmd;
2496         int i, err = 0, j = 0;
2497         u32 temp;
2498
2499         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
2500         if (err)
2501                 return err;
2502
2503         err = qlcnic_issue_cmd(adapter, &cmd);
2504
2505         ahw->total_nic_func = 0;
2506         if (err == QLCNIC_RCODE_SUCCESS) {
2507                 ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF;
2508                 for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) {
2509                         pci_info->id = cmd.rsp.arg[i] & 0xFFFF;
2510                         pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2511                         i++;
2512                         if (!pci_info->active) {
2513                                 i += QLC_SKIP_INACTIVE_PCI_REGS;
2514                                 continue;
2515                         }
2516                         pci_info->type = cmd.rsp.arg[i] & 0xFFFF;
2517                         err = qlcnic_get_pci_func_type(adapter, pci_info->type,
2518                                                        &nic, &fcoe, &iscsi);
2519                         temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2520                         pci_info->default_port = temp;
2521                         i++;
2522                         pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF;
2523                         temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2524                         pci_info->tx_max_bw = temp;
2525                         i = i + 2;
2526                         memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2);
2527                         i++;
2528                         memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2);
2529                         i = i + 3;
2530                 }
2531         } else {
2532                 dev_err(dev, "Failed to get PCI Info, error = %d\n", err);
2533                 err = -EIO;
2534         }
2535
2536         ahw->total_nic_func = nic;
2537         ahw->total_pci_func = nic + fcoe + iscsi;
2538         if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
2539                 dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
2540                         __func__, ahw->total_nic_func, ahw->total_pci_func);
2541                 err = -EIO;
2542         }
2543         qlcnic_free_mbx_args(&cmd);
2544
2545         return err;
2546 }
2547
2548 int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type)
2549 {
2550         int i, index, err;
2551         u8 max_ints;
2552         u32 val, temp, type;
2553         struct qlcnic_cmd_args cmd;
2554
2555         max_ints = adapter->ahw->num_msix - 1;
2556         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT);
2557         if (err)
2558                 return err;
2559
2560         cmd.req.arg[1] = max_ints;
2561
2562         if (qlcnic_sriov_vf_check(adapter))
2563                 cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16;
2564
2565         for (i = 0, index = 2; i < max_ints; i++) {
2566                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
2567                 val = type | (adapter->ahw->intr_tbl[i].type << 4);
2568                 if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
2569                         val |= (adapter->ahw->intr_tbl[i].id << 16);
2570                 cmd.req.arg[index++] = val;
2571         }
2572         err = qlcnic_issue_cmd(adapter, &cmd);
2573         if (err) {
2574                 dev_err(&adapter->pdev->dev,
2575                         "Failed to configure interrupts 0x%x\n", err);
2576                 goto out;
2577         }
2578
2579         max_ints = cmd.rsp.arg[1];
2580         for (i = 0, index = 2; i < max_ints; i++, index += 2) {
2581                 val = cmd.rsp.arg[index];
2582                 if (LSB(val)) {
2583                         dev_info(&adapter->pdev->dev,
2584                                  "Can't configure interrupt %d\n",
2585                                  adapter->ahw->intr_tbl[i].id);
2586                         continue;
2587                 }
2588                 if (op_type) {
2589                         adapter->ahw->intr_tbl[i].id = MSW(val);
2590                         adapter->ahw->intr_tbl[i].enabled = 1;
2591                         temp = cmd.rsp.arg[index + 1];
2592                         adapter->ahw->intr_tbl[i].src = temp;
2593                 } else {
2594                         adapter->ahw->intr_tbl[i].id = i;
2595                         adapter->ahw->intr_tbl[i].enabled = 0;
2596                         adapter->ahw->intr_tbl[i].src = 0;
2597                 }
2598         }
2599 out:
2600         qlcnic_free_mbx_args(&cmd);
2601         return err;
2602 }
2603
2604 int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter)
2605 {
2606         int id, timeout = 0;
2607         u32 status = 0;
2608
2609         while (status == 0) {
2610                 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK);
2611                 if (status)
2612                         break;
2613
2614                 if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) {
2615                         id = QLC_SHARED_REG_RD32(adapter,
2616                                                  QLCNIC_FLASH_LOCK_OWNER);
2617                         dev_err(&adapter->pdev->dev,
2618                                 "%s: failed, lock held by %d\n", __func__, id);
2619                         return -EIO;
2620                 }
2621                 usleep_range(1000, 2000);
2622         }
2623
2624         QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum);
2625         return 0;
2626 }
2627
2628 void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter)
2629 {
2630         QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK);
2631         QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF);
2632 }
2633
2634 int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter,
2635                                       u32 flash_addr, u8 *p_data,
2636                                       int count)
2637 {
2638         u32 word, range, flash_offset, addr = flash_addr, ret;
2639         ulong indirect_add, direct_window;
2640         int i, err = 0;
2641
2642         flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1);
2643         if (addr & 0x3) {
2644                 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
2645                 return -EIO;
2646         }
2647
2648         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW,
2649                                      (addr & 0xFFFF0000));
2650
2651         range = flash_offset + (count * sizeof(u32));
2652         /* Check if data is spread across multiple sectors */
2653         if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2654
2655                 /* Multi sector read */
2656                 for (i = 0; i < count; i++) {
2657                         indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2658                         ret = QLCRD32(adapter, indirect_add, &err);
2659                         if (err == -EIO)
2660                                 return err;
2661
2662                         word = ret;
2663                         *(u32 *)p_data  = word;
2664                         p_data = p_data + 4;
2665                         addr = addr + 4;
2666                         flash_offset = flash_offset + 4;
2667
2668                         if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2669                                 direct_window = QLC_83XX_FLASH_DIRECT_WINDOW;
2670                                 /* This write is needed once for each sector */
2671                                 qlcnic_83xx_wrt_reg_indirect(adapter,
2672                                                              direct_window,
2673                                                              (addr));
2674                                 flash_offset = 0;
2675                         }
2676                 }
2677         } else {
2678                 /* Single sector read */
2679                 for (i = 0; i < count; i++) {
2680                         indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2681                         ret = QLCRD32(adapter, indirect_add, &err);
2682                         if (err == -EIO)
2683                                 return err;
2684
2685                         word = ret;
2686                         *(u32 *)p_data  = word;
2687                         p_data = p_data + 4;
2688                         addr = addr + 4;
2689                 }
2690         }
2691
2692         return 0;
2693 }
2694
2695 static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter)
2696 {
2697         u32 status;
2698         int retries = QLC_83XX_FLASH_READ_RETRY_COUNT;
2699         int err = 0;
2700
2701         do {
2702                 status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err);
2703                 if (err == -EIO)
2704                         return err;
2705
2706                 if ((status & QLC_83XX_FLASH_STATUS_READY) ==
2707                     QLC_83XX_FLASH_STATUS_READY)
2708                         break;
2709
2710                 usleep_range(1000, 1100);
2711         } while (--retries);
2712
2713         if (!retries)
2714                 return -EIO;
2715
2716         return 0;
2717 }
2718
2719 int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter)
2720 {
2721         int ret;
2722         u32 cmd;
2723         cmd = adapter->ahw->fdt.write_statusreg_cmd;
2724         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2725                                      (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd));
2726         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2727                                      adapter->ahw->fdt.write_enable_bits);
2728         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2729                                      QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2730         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2731         if (ret)
2732                 return -EIO;
2733
2734         return 0;
2735 }
2736
2737 int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter)
2738 {
2739         int ret;
2740
2741         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2742                                      (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG |
2743                                      adapter->ahw->fdt.write_statusreg_cmd));
2744         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2745                                      adapter->ahw->fdt.write_disable_bits);
2746         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2747                                      QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2748         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2749         if (ret)
2750                 return -EIO;
2751
2752         return 0;
2753 }
2754
2755 int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter)
2756 {
2757         int ret, err = 0;
2758         u32 mfg_id;
2759
2760         if (qlcnic_83xx_lock_flash(adapter))
2761                 return -EIO;
2762
2763         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2764                                      QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL);
2765         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2766                                      QLC_83XX_FLASH_READ_CTRL);
2767         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2768         if (ret) {
2769                 qlcnic_83xx_unlock_flash(adapter);
2770                 return -EIO;
2771         }
2772
2773         mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
2774         if (err == -EIO) {
2775                 qlcnic_83xx_unlock_flash(adapter);
2776                 return err;
2777         }
2778
2779         adapter->flash_mfg_id = (mfg_id & 0xFF);
2780         qlcnic_83xx_unlock_flash(adapter);
2781
2782         return 0;
2783 }
2784
2785 int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter)
2786 {
2787         int count, fdt_size, ret = 0;
2788
2789         fdt_size = sizeof(struct qlcnic_fdt);
2790         count = fdt_size / sizeof(u32);
2791
2792         if (qlcnic_83xx_lock_flash(adapter))
2793                 return -EIO;
2794
2795         memset(&adapter->ahw->fdt, 0, fdt_size);
2796         ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION,
2797                                                 (u8 *)&adapter->ahw->fdt,
2798                                                 count);
2799         qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count);
2800         qlcnic_83xx_unlock_flash(adapter);
2801         return ret;
2802 }
2803
2804 int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter,
2805                                    u32 sector_start_addr)
2806 {
2807         u32 reversed_addr, addr1, addr2, cmd;
2808         int ret = -EIO;
2809
2810         if (qlcnic_83xx_lock_flash(adapter) != 0)
2811                 return -EIO;
2812
2813         if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2814                 ret = qlcnic_83xx_enable_flash_write(adapter);
2815                 if (ret) {
2816                         qlcnic_83xx_unlock_flash(adapter);
2817                         dev_err(&adapter->pdev->dev,
2818                                 "%s failed at %d\n",
2819                                 __func__, __LINE__);
2820                         return ret;
2821                 }
2822         }
2823
2824         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2825         if (ret) {
2826                 qlcnic_83xx_unlock_flash(adapter);
2827                 dev_err(&adapter->pdev->dev,
2828                         "%s: failed at %d\n", __func__, __LINE__);
2829                 return -EIO;
2830         }
2831
2832         addr1 = (sector_start_addr & 0xFF) << 16;
2833         addr2 = (sector_start_addr & 0xFF0000) >> 16;
2834         reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00);
2835
2836         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2837                                      reversed_addr);
2838         cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd;
2839         if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id)
2840                 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd);
2841         else
2842                 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2843                                              QLC_83XX_FLASH_OEM_ERASE_SIG);
2844         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2845                                      QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2846
2847         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2848         if (ret) {
2849                 qlcnic_83xx_unlock_flash(adapter);
2850                 dev_err(&adapter->pdev->dev,
2851                         "%s: failed at %d\n", __func__, __LINE__);
2852                 return -EIO;
2853         }
2854
2855         if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2856                 ret = qlcnic_83xx_disable_flash_write(adapter);
2857                 if (ret) {
2858                         qlcnic_83xx_unlock_flash(adapter);
2859                         dev_err(&adapter->pdev->dev,
2860                                 "%s: failed at %d\n", __func__, __LINE__);
2861                         return ret;
2862                 }
2863         }
2864
2865         qlcnic_83xx_unlock_flash(adapter);
2866
2867         return 0;
2868 }
2869
2870 int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr,
2871                               u32 *p_data)
2872 {
2873         int ret = -EIO;
2874         u32 addr1 = 0x00800000 | (addr >> 2);
2875
2876         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1);
2877         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data);
2878         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2879                                      QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2880         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2881         if (ret) {
2882                 dev_err(&adapter->pdev->dev,
2883                         "%s: failed at %d\n", __func__, __LINE__);
2884                 return -EIO;
2885         }
2886
2887         return 0;
2888 }
2889
2890 int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr,
2891                                  u32 *p_data, int count)
2892 {
2893         u32 temp;
2894         int ret = -EIO, err = 0;
2895
2896         if ((count < QLC_83XX_FLASH_WRITE_MIN) ||
2897             (count > QLC_83XX_FLASH_WRITE_MAX)) {
2898                 dev_err(&adapter->pdev->dev,
2899                         "%s: Invalid word count\n", __func__);
2900                 return -EIO;
2901         }
2902
2903         temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2904         if (err == -EIO)
2905                 return err;
2906
2907         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL,
2908                                      (temp | QLC_83XX_FLASH_SPI_CTRL));
2909         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2910                                      QLC_83XX_FLASH_ADDR_TEMP_VAL);
2911
2912         /* First DWORD write */
2913         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2914         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2915                                      QLC_83XX_FLASH_FIRST_MS_PATTERN);
2916         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2917         if (ret) {
2918                 dev_err(&adapter->pdev->dev,
2919                         "%s: failed at %d\n", __func__, __LINE__);
2920                 return -EIO;
2921         }
2922
2923         count--;
2924         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2925                                      QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL);
2926         /* Second to N-1 DWORD writes */
2927         while (count != 1) {
2928                 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2929                                              *p_data++);
2930                 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2931                                              QLC_83XX_FLASH_SECOND_MS_PATTERN);
2932                 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2933                 if (ret) {
2934                         dev_err(&adapter->pdev->dev,
2935                                 "%s: failed at %d\n", __func__, __LINE__);
2936                         return -EIO;
2937                 }
2938                 count--;
2939         }
2940
2941         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2942                                      QLC_83XX_FLASH_ADDR_TEMP_VAL |
2943                                      (addr >> 2));
2944         /* Last DWORD write */
2945         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2946         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2947                                      QLC_83XX_FLASH_LAST_MS_PATTERN);
2948         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2949         if (ret) {
2950                 dev_err(&adapter->pdev->dev,
2951                         "%s: failed at %d\n", __func__, __LINE__);
2952                 return -EIO;
2953         }
2954
2955         ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err);
2956         if (err == -EIO)
2957                 return err;
2958
2959         if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) {
2960                 dev_err(&adapter->pdev->dev, "%s: failed at %d\n",
2961                         __func__, __LINE__);
2962                 /* Operation failed, clear error bit */
2963                 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2964                 if (err == -EIO)
2965                         return err;
2966
2967                 qlcnic_83xx_wrt_reg_indirect(adapter,
2968                                              QLC_83XX_FLASH_SPI_CONTROL,
2969                                              (temp | QLC_83XX_FLASH_SPI_CTRL));
2970         }
2971
2972         return 0;
2973 }
2974
2975 static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter)
2976 {
2977         u32 val, id;
2978
2979         val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2980
2981         /* Check if recovery need to be performed by the calling function */
2982         if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) {
2983                 val = val & ~0x3F;
2984                 val = val | ((adapter->portnum << 2) |
2985                              QLC_83XX_NEED_DRV_LOCK_RECOVERY);
2986                 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2987                 dev_info(&adapter->pdev->dev,
2988                          "%s: lock recovery initiated\n", __func__);
2989                 msleep(QLC_83XX_DRV_LOCK_RECOVERY_DELAY);
2990                 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2991                 id = ((val >> 2) & 0xF);
2992                 if (id == adapter->portnum) {
2993                         val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK;
2994                         val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS;
2995                         QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2996                         /* Force release the lock */
2997                         QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
2998                         /* Clear recovery bits */
2999                         val = val & ~0x3F;
3000                         QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
3001                         dev_info(&adapter->pdev->dev,
3002                                  "%s: lock recovery completed\n", __func__);
3003                 } else {
3004                         dev_info(&adapter->pdev->dev,
3005                                  "%s: func %d to resume lock recovery process\n",
3006                                  __func__, id);
3007                 }
3008         } else {
3009                 dev_info(&adapter->pdev->dev,
3010                          "%s: lock recovery initiated by other functions\n",
3011                          __func__);
3012         }
3013 }
3014
3015 int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter)
3016 {
3017         u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0;
3018         int max_attempt = 0;
3019
3020         while (status == 0) {
3021                 status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK);
3022                 if (status)
3023                         break;
3024
3025                 msleep(QLC_83XX_DRV_LOCK_WAIT_DELAY);
3026                 i++;
3027
3028                 if (i == 1)
3029                         temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3030
3031                 if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) {
3032                         val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3033                         if (val == temp) {
3034                                 id = val & 0xFF;
3035                                 dev_info(&adapter->pdev->dev,
3036                                          "%s: lock to be recovered from %d\n",
3037                                          __func__, id);
3038                                 qlcnic_83xx_recover_driver_lock(adapter);
3039                                 i = 0;
3040                                 max_attempt++;
3041                         } else {
3042                                 dev_err(&adapter->pdev->dev,
3043                                         "%s: failed to get lock\n", __func__);
3044                                 return -EIO;
3045                         }
3046                 }
3047
3048                 /* Force exit from while loop after few attempts */
3049                 if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) {
3050                         dev_err(&adapter->pdev->dev,
3051                                 "%s: failed to get lock\n", __func__);
3052                         return -EIO;
3053                 }
3054         }
3055
3056         val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3057         lock_alive_counter = val >> 8;
3058         lock_alive_counter++;
3059         val = lock_alive_counter << 8 | adapter->portnum;
3060         QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3061
3062         return 0;
3063 }
3064
3065 void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter)
3066 {
3067         u32 val, lock_alive_counter, id;
3068
3069         val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3070         id = val & 0xFF;
3071         lock_alive_counter = val >> 8;
3072
3073         if (id != adapter->portnum)
3074                 dev_err(&adapter->pdev->dev,
3075                         "%s:Warning func %d is unlocking lock owned by %d\n",
3076                         __func__, adapter->portnum, id);
3077
3078         val = (lock_alive_counter << 8) | 0xFF;
3079         QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3080         QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
3081 }
3082
3083 int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr,
3084                                 u32 *data, u32 count)
3085 {
3086         int i, j, ret = 0;
3087         u32 temp;
3088
3089         /* Check alignment */
3090         if (addr & 0xF)
3091                 return -EIO;
3092
3093         mutex_lock(&adapter->ahw->mem_lock);
3094         qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0);
3095
3096         for (i = 0; i < count; i++, addr += 16) {
3097                 if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET,
3098                                      QLCNIC_ADDR_QDR_NET_MAX)) ||
3099                       (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET,
3100                                      QLCNIC_ADDR_DDR_NET_MAX)))) {
3101                         mutex_unlock(&adapter->ahw->mem_lock);
3102                         return -EIO;
3103                 }
3104
3105                 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr);
3106                 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++);
3107                 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++);
3108                 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++);
3109                 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++);
3110                 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE);
3111                 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START);
3112
3113                 for (j = 0; j < MAX_CTL_CHECK; j++) {
3114                         temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL);
3115
3116                         if ((temp & TA_CTL_BUSY) == 0)
3117                                 break;
3118                 }
3119
3120                 /* Status check failure */
3121                 if (j >= MAX_CTL_CHECK) {
3122                         printk_ratelimited(KERN_WARNING
3123                                            "MS memory write failed\n");
3124                         mutex_unlock(&adapter->ahw->mem_lock);
3125                         return -EIO;
3126                 }
3127         }
3128
3129         mutex_unlock(&adapter->ahw->mem_lock);
3130
3131         return ret;
3132 }
3133
3134 int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr,
3135                              u8 *p_data, int count)
3136 {
3137         u32 word, addr = flash_addr, ret;
3138         ulong  indirect_addr;
3139         int i, err = 0;
3140
3141         if (qlcnic_83xx_lock_flash(adapter) != 0)
3142                 return -EIO;
3143
3144         if (addr & 0x3) {
3145                 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
3146                 qlcnic_83xx_unlock_flash(adapter);
3147                 return -EIO;
3148         }
3149
3150         for (i = 0; i < count; i++) {
3151                 if (qlcnic_83xx_wrt_reg_indirect(adapter,
3152                                                  QLC_83XX_FLASH_DIRECT_WINDOW,
3153                                                  (addr))) {
3154                         qlcnic_83xx_unlock_flash(adapter);
3155                         return -EIO;
3156                 }
3157
3158                 indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr);
3159                 ret = QLCRD32(adapter, indirect_addr, &err);
3160                 if (err == -EIO)
3161                         return err;
3162
3163                 word = ret;
3164                 *(u32 *)p_data  = word;
3165                 p_data = p_data + 4;
3166                 addr = addr + 4;
3167         }
3168
3169         qlcnic_83xx_unlock_flash(adapter);
3170
3171         return 0;
3172 }
3173
3174 void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter)
3175 {
3176         struct qlcnic_hardware_context *ahw = adapter->ahw;
3177         struct qlcnic_cmd_args cmd;
3178         u32 config;
3179         int err;
3180
3181         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3182         if (err)
3183                 return;
3184
3185         err = qlcnic_issue_cmd(adapter, &cmd);
3186         if (err) {
3187                 dev_info(&adapter->pdev->dev,
3188                          "Get Link Status Command failed: 0x%x\n", err);
3189                 goto out;
3190         } else {
3191                 config = cmd.rsp.arg[3];
3192
3193                 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3194                 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3195                 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3196                 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3197                 case QLC_83XX_MODULE_TP_1000BASE_T:
3198                         ahw->port_type = QLCNIC_GBE;
3199                         break;
3200                 default:
3201                         ahw->port_type = QLCNIC_XGBE;
3202                 }
3203         }
3204 out:
3205         qlcnic_free_mbx_args(&cmd);
3206 }
3207
3208 int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter)
3209 {
3210         u8 pci_func;
3211         int err;
3212         u32 config = 0, state;
3213         struct qlcnic_cmd_args cmd;
3214         struct qlcnic_hardware_context *ahw = adapter->ahw;
3215
3216         if (qlcnic_sriov_vf_check(adapter))
3217                 pci_func = adapter->portnum;
3218         else
3219                 pci_func = ahw->pci_func;
3220
3221         state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func));
3222         if (!QLC_83xx_FUNC_VAL(state, pci_func)) {
3223                 dev_info(&adapter->pdev->dev, "link state down\n");
3224                 return config;
3225         }
3226
3227         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3228         if (err)
3229                 return err;
3230
3231         err = qlcnic_issue_cmd(adapter, &cmd);
3232         if (err) {
3233                 dev_info(&adapter->pdev->dev,
3234                          "Get Link Status Command failed: 0x%x\n", err);
3235                 goto out;
3236         } else {
3237                 config = cmd.rsp.arg[1];
3238                 switch (QLC_83XX_CURRENT_LINK_SPEED(config)) {
3239                 case QLC_83XX_10M_LINK:
3240                         ahw->link_speed = SPEED_10;
3241                         break;
3242                 case QLC_83XX_100M_LINK:
3243                         ahw->link_speed = SPEED_100;
3244                         break;
3245                 case QLC_83XX_1G_LINK:
3246                         ahw->link_speed = SPEED_1000;
3247                         break;
3248                 case QLC_83XX_10G_LINK:
3249                         ahw->link_speed = SPEED_10000;
3250                         break;
3251                 default:
3252                         ahw->link_speed = 0;
3253                         break;
3254                 }
3255                 config = cmd.rsp.arg[3];
3256                 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3257                 case QLC_83XX_MODULE_FIBRE_10GBASE_LRM:
3258                 case QLC_83XX_MODULE_FIBRE_10GBASE_LR:
3259                 case QLC_83XX_MODULE_FIBRE_10GBASE_SR:
3260                         ahw->supported_type = PORT_FIBRE;
3261                         ahw->port_type = QLCNIC_XGBE;
3262                         break;
3263                 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3264                 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3265                 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3266                         ahw->supported_type = PORT_FIBRE;
3267                         ahw->port_type = QLCNIC_GBE;
3268                         break;
3269                 case QLC_83XX_MODULE_TP_1000BASE_T:
3270                         ahw->supported_type = PORT_TP;
3271                         ahw->port_type = QLCNIC_GBE;
3272                         break;
3273                 case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP:
3274                 case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP:
3275                 case QLC_83XX_MODULE_DA_10GE_LEGACY_CP:
3276                 case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP:
3277                         ahw->supported_type = PORT_DA;
3278                         ahw->port_type = QLCNIC_XGBE;
3279                         break;
3280                 default:
3281                         ahw->supported_type = PORT_OTHER;
3282                         ahw->port_type = QLCNIC_XGBE;
3283                 }
3284                 if (config & 1)
3285                         err = 1;
3286         }
3287 out:
3288         qlcnic_free_mbx_args(&cmd);
3289         return config;
3290 }
3291
3292 int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter,
3293                                    struct ethtool_link_ksettings *ecmd)
3294 {
3295         struct qlcnic_hardware_context *ahw = adapter->ahw;
3296         u32 config = 0;
3297         int status = 0;
3298         u32 supported, advertising;
3299
3300         if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3301                 /* Get port configuration info */
3302                 status = qlcnic_83xx_get_port_info(adapter);
3303                 /* Get Link Status related info */
3304                 config = qlcnic_83xx_test_link(adapter);
3305                 ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config);
3306         }
3307
3308         /* hard code until there is a way to get it from flash */
3309         ahw->board_type = QLCNIC_BRDTYPE_83XX_10G;
3310
3311         if (netif_running(adapter->netdev) && ahw->has_link_events) {
3312                 ecmd->base.speed = ahw->link_speed;
3313                 ecmd->base.duplex = ahw->link_duplex;
3314                 ecmd->base.autoneg = ahw->link_autoneg;
3315         } else {
3316                 ecmd->base.speed = SPEED_UNKNOWN;
3317                 ecmd->base.duplex = DUPLEX_UNKNOWN;
3318                 ecmd->base.autoneg = AUTONEG_DISABLE;
3319         }
3320
3321         supported = (SUPPORTED_10baseT_Full |
3322                            SUPPORTED_100baseT_Full |
3323                            SUPPORTED_1000baseT_Full |
3324                            SUPPORTED_10000baseT_Full |
3325                            SUPPORTED_Autoneg);
3326
3327         ethtool_convert_link_mode_to_legacy_u32(&advertising,
3328                                                 ecmd->link_modes.advertising);
3329
3330         if (ecmd->base.autoneg == AUTONEG_ENABLE) {
3331                 if (ahw->port_config & QLC_83XX_10_CAPABLE)
3332                         advertising |= SUPPORTED_10baseT_Full;
3333                 if (ahw->port_config & QLC_83XX_100_CAPABLE)
3334                         advertising |= SUPPORTED_100baseT_Full;
3335                 if (ahw->port_config & QLC_83XX_1G_CAPABLE)
3336                         advertising |= SUPPORTED_1000baseT_Full;
3337                 if (ahw->port_config & QLC_83XX_10G_CAPABLE)
3338                         advertising |= SUPPORTED_10000baseT_Full;
3339                 if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE)
3340                         advertising |= ADVERTISED_Autoneg;
3341         } else {
3342                 switch (ahw->link_speed) {
3343                 case SPEED_10:
3344                         advertising = SUPPORTED_10baseT_Full;
3345                         break;
3346                 case SPEED_100:
3347                         advertising = SUPPORTED_100baseT_Full;
3348                         break;
3349                 case SPEED_1000:
3350                         advertising = SUPPORTED_1000baseT_Full;
3351                         break;
3352                 case SPEED_10000:
3353                         advertising = SUPPORTED_10000baseT_Full;
3354                         break;
3355                 default:
3356                         break;
3357                 }
3358
3359         }
3360
3361         switch (ahw->supported_type) {
3362         case PORT_FIBRE:
3363                 supported |= SUPPORTED_FIBRE;
3364                 advertising |= ADVERTISED_FIBRE;
3365                 ecmd->base.port = PORT_FIBRE;
3366                 break;
3367         case PORT_TP:
3368                 supported |= SUPPORTED_TP;
3369                 advertising |= ADVERTISED_TP;
3370                 ecmd->base.port = PORT_TP;
3371                 break;
3372         case PORT_DA:
3373                 supported |= SUPPORTED_FIBRE;
3374                 advertising |= ADVERTISED_FIBRE;
3375                 ecmd->base.port = PORT_DA;
3376                 break;
3377         default:
3378                 supported |= SUPPORTED_FIBRE;
3379                 advertising |= ADVERTISED_FIBRE;
3380                 ecmd->base.port = PORT_OTHER;
3381                 break;
3382         }
3383         ecmd->base.phy_address = ahw->physical_port;
3384
3385         ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
3386                                                 supported);
3387         ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
3388                                                 advertising);
3389
3390         return status;
3391 }
3392
3393 int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter,
3394                                    const struct ethtool_link_ksettings *ecmd)
3395 {
3396         struct qlcnic_hardware_context *ahw = adapter->ahw;
3397         u32 config = adapter->ahw->port_config;
3398         int status = 0;
3399
3400         /* 83xx devices do not support Half duplex */
3401         if (ecmd->base.duplex == DUPLEX_HALF) {
3402                 netdev_info(adapter->netdev,
3403                             "Half duplex mode not supported\n");
3404                 return -EINVAL;
3405         }
3406
3407         if (ecmd->base.autoneg) {
3408                 ahw->port_config |= QLC_83XX_AUTONEG_ENABLE;
3409                 ahw->port_config |= (QLC_83XX_100_CAPABLE |
3410                                      QLC_83XX_1G_CAPABLE |
3411                                      QLC_83XX_10G_CAPABLE);
3412         } else { /* force speed */
3413                 ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE;
3414                 switch (ecmd->base.speed) {
3415                 case SPEED_10:
3416                         ahw->port_config &= ~(QLC_83XX_100_CAPABLE |
3417                                               QLC_83XX_1G_CAPABLE |
3418                                               QLC_83XX_10G_CAPABLE);
3419                         ahw->port_config |= QLC_83XX_10_CAPABLE;
3420                         break;
3421                 case SPEED_100:
3422                         ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3423                                               QLC_83XX_1G_CAPABLE |
3424                                               QLC_83XX_10G_CAPABLE);
3425                         ahw->port_config |= QLC_83XX_100_CAPABLE;
3426                         break;
3427                 case SPEED_1000:
3428                         ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3429                                               QLC_83XX_100_CAPABLE |
3430                                               QLC_83XX_10G_CAPABLE);
3431                         ahw->port_config |= QLC_83XX_1G_CAPABLE;
3432                         break;
3433                 case SPEED_10000:
3434                         ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3435                                               QLC_83XX_100_CAPABLE |
3436                                               QLC_83XX_1G_CAPABLE);
3437                         ahw->port_config |= QLC_83XX_10G_CAPABLE;
3438                         break;
3439                 default:
3440                         return -EINVAL;
3441                 }
3442         }
3443         status = qlcnic_83xx_set_port_config(adapter);
3444         if (status) {
3445                 netdev_info(adapter->netdev,
3446                             "Failed to Set Link Speed and autoneg.\n");
3447                 ahw->port_config = config;
3448         }
3449
3450         return status;
3451 }
3452
3453 static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd,
3454                                           u64 *data, int index)
3455 {
3456         u32 low, hi;
3457         u64 val;
3458
3459         low = cmd->rsp.arg[index];
3460         hi = cmd->rsp.arg[index + 1];
3461         val = (((u64) low) | (((u64) hi) << 32));
3462         *data++ = val;
3463         return data;
3464 }
3465
3466 static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter,
3467                                    struct qlcnic_cmd_args *cmd, u64 *data,
3468                                    int type, int *ret)
3469 {
3470         int err, k, total_regs;
3471
3472         *ret = 0;
3473         err = qlcnic_issue_cmd(adapter, cmd);
3474         if (err != QLCNIC_RCODE_SUCCESS) {
3475                 dev_info(&adapter->pdev->dev,
3476                          "Error in get statistics mailbox command\n");
3477                 *ret = -EIO;
3478                 return data;
3479         }
3480         total_regs = cmd->rsp.num;
3481         switch (type) {
3482         case QLC_83XX_STAT_MAC:
3483                 /* fill in MAC tx counters */
3484                 for (k = 2; k < 28; k += 2)
3485                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3486                 /* skip 24 bytes of reserved area */
3487                 /* fill in MAC rx counters */
3488                 for (k += 6; k < 60; k += 2)
3489                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3490                 /* skip 24 bytes of reserved area */
3491                 /* fill in MAC rx frame stats */
3492                 for (k += 6; k < 80; k += 2)
3493                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3494                 /* fill in eSwitch stats */
3495                 for (; k < total_regs; k += 2)
3496                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3497                 break;
3498         case QLC_83XX_STAT_RX:
3499                 for (k = 2; k < 8; k += 2)
3500                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3501                 /* skip 8 bytes of reserved data */
3502                 for (k += 2; k < 24; k += 2)
3503                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3504                 /* skip 8 bytes containing RE1FBQ error data */
3505                 for (k += 2; k < total_regs; k += 2)
3506                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3507                 break;
3508         case QLC_83XX_STAT_TX:
3509                 for (k = 2; k < 10; k += 2)
3510                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3511                 /* skip 8 bytes of reserved data */
3512                 for (k += 2; k < total_regs; k += 2)
3513                         data = qlcnic_83xx_copy_stats(cmd, data, k);
3514                 break;
3515         default:
3516                 dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n");
3517                 *ret = -EIO;
3518         }
3519         return data;
3520 }
3521
3522 void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
3523 {
3524         struct qlcnic_cmd_args cmd;
3525         struct net_device *netdev = adapter->netdev;
3526         int ret = 0;
3527
3528         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS);
3529         if (ret)
3530                 return;
3531         /* Get Tx stats */
3532         cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16);
3533         cmd.rsp.num = QLC_83XX_TX_STAT_REGS;
3534         data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3535                                       QLC_83XX_STAT_TX, &ret);
3536         if (ret) {
3537                 netdev_err(netdev, "Error getting Tx stats\n");
3538                 goto out;
3539         }
3540         /* Get MAC stats */
3541         cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16);
3542         cmd.rsp.num = QLC_83XX_MAC_STAT_REGS;
3543         memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3544         data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3545                                       QLC_83XX_STAT_MAC, &ret);
3546         if (ret) {
3547                 netdev_err(netdev, "Error getting MAC stats\n");
3548                 goto out;
3549         }
3550         /* Get Rx stats */
3551         cmd.req.arg[1] = adapter->recv_ctx->context_id << 16;
3552         cmd.rsp.num = QLC_83XX_RX_STAT_REGS;
3553         memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3554         data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3555                                       QLC_83XX_STAT_RX, &ret);
3556         if (ret)
3557                 netdev_err(netdev, "Error getting Rx stats\n");
3558 out:
3559         qlcnic_free_mbx_args(&cmd);
3560 }
3561
3562 #define QLCNIC_83XX_ADD_PORT0           BIT_0
3563 #define QLCNIC_83XX_ADD_PORT1           BIT_1
3564 #define QLCNIC_83XX_EXTENDED_MEM_SIZE   13 /* In MB */
3565 int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter)
3566 {
3567         struct qlcnic_cmd_args cmd;
3568         int err;
3569
3570         err = qlcnic_alloc_mbx_args(&cmd, adapter,
3571                                     QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP);
3572         if (err)
3573                 return err;
3574
3575         cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1);
3576         cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3577         cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3578
3579         err = qlcnic_issue_cmd(adapter, &cmd);
3580         if (err)
3581                 dev_err(&adapter->pdev->dev,
3582                         "failed to issue extend iSCSI minidump capability\n");
3583
3584         return err;
3585 }
3586
3587 int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter)
3588 {
3589         u32 major, minor, sub;
3590
3591         major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
3592         minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
3593         sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
3594
3595         if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) {
3596                 dev_info(&adapter->pdev->dev, "%s: Reg test failed\n",
3597                          __func__);
3598                 return 1;
3599         }
3600         return 0;
3601 }
3602
3603 inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter)
3604 {
3605         return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) *
3606                 sizeof(*adapter->ahw->ext_reg_tbl)) +
3607                 (ARRAY_SIZE(qlcnic_83xx_reg_tbl) *
3608                 sizeof(*adapter->ahw->reg_tbl));
3609 }
3610
3611 int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff)
3612 {
3613         int i, j = 0;
3614
3615         for (i = QLCNIC_DEV_INFO_SIZE + 1;
3616              j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++)
3617                 regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j);
3618
3619         for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++)
3620                 regs_buff[i++] = QLCRDX(adapter->ahw, j);
3621         return i;
3622 }
3623
3624 int qlcnic_83xx_interrupt_test(struct net_device *netdev)
3625 {
3626         struct qlcnic_adapter *adapter = netdev_priv(netdev);
3627         struct qlcnic_hardware_context *ahw = adapter->ahw;
3628         struct qlcnic_cmd_args cmd;
3629         u8 val, drv_sds_rings = adapter->drv_sds_rings;
3630         u8 drv_tx_rings = adapter->drv_tx_rings;
3631         u32 data;
3632         u16 intrpt_id, id;
3633         int ret;
3634
3635         if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
3636                 netdev_info(netdev, "Device is resetting\n");
3637                 return -EBUSY;
3638         }
3639
3640         if (qlcnic_get_diag_lock(adapter)) {
3641                 netdev_info(netdev, "Device in diagnostics mode\n");
3642                 return -EBUSY;
3643         }
3644
3645         ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST,
3646                                          drv_sds_rings);
3647         if (ret)
3648                 goto fail_diag_irq;
3649
3650         ahw->diag_cnt = 0;
3651         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
3652         if (ret)
3653                 goto fail_diag_irq;
3654
3655         if (adapter->flags & QLCNIC_MSIX_ENABLED)
3656                 intrpt_id = ahw->intr_tbl[0].id;
3657         else
3658                 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
3659
3660         cmd.req.arg[1] = 1;
3661         cmd.req.arg[2] = intrpt_id;
3662         cmd.req.arg[3] = BIT_0;
3663
3664         ret = qlcnic_issue_cmd(adapter, &cmd);
3665         data = cmd.rsp.arg[2];
3666         id = LSW(data);
3667         val = LSB(MSW(data));
3668         if (id != intrpt_id)
3669                 dev_info(&adapter->pdev->dev,
3670                          "Interrupt generated: 0x%x, requested:0x%x\n",
3671                          id, intrpt_id);
3672         if (val)
3673                 dev_err(&adapter->pdev->dev,
3674                          "Interrupt test error: 0x%x\n", val);
3675         if (ret)
3676                 goto done;
3677
3678         msleep(20);
3679         ret = !ahw->diag_cnt;
3680
3681 done:
3682         qlcnic_free_mbx_args(&cmd);
3683         qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
3684
3685 fail_diag_irq:
3686         adapter->drv_sds_rings = drv_sds_rings;
3687         adapter->drv_tx_rings = drv_tx_rings;
3688         qlcnic_release_diag_lock(adapter);
3689         return ret;
3690 }
3691
3692 void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter,
3693                                 struct ethtool_pauseparam *pause)
3694 {
3695         struct qlcnic_hardware_context *ahw = adapter->ahw;
3696         int status = 0;
3697         u32 config;
3698
3699         status = qlcnic_83xx_get_port_config(adapter);
3700         if (status) {
3701                 dev_err(&adapter->pdev->dev,
3702                         "%s: Get Pause Config failed\n", __func__);
3703                 return;
3704         }
3705         config = ahw->port_config;
3706         if (config & QLC_83XX_CFG_STD_PAUSE) {
3707                 switch (MSW(config)) {
3708                 case QLC_83XX_TX_PAUSE:
3709                         pause->tx_pause = 1;
3710                         break;
3711                 case QLC_83XX_RX_PAUSE:
3712                         pause->rx_pause = 1;
3713                         break;
3714                 case QLC_83XX_TX_RX_PAUSE:
3715                 default:
3716                         /* Backward compatibility for existing
3717                          * flash definitions
3718                          */
3719                         pause->tx_pause = 1;
3720                         pause->rx_pause = 1;
3721                 }
3722         }
3723
3724         if (QLC_83XX_AUTONEG(config))
3725                 pause->autoneg = 1;
3726 }
3727
3728 int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter,
3729                                struct ethtool_pauseparam *pause)
3730 {
3731         struct qlcnic_hardware_context *ahw = adapter->ahw;
3732         int status = 0;
3733         u32 config;
3734
3735         status = qlcnic_83xx_get_port_config(adapter);
3736         if (status) {
3737                 dev_err(&adapter->pdev->dev,
3738                         "%s: Get Pause Config failed.\n", __func__);
3739                 return status;
3740         }
3741         config = ahw->port_config;
3742
3743         if (ahw->port_type == QLCNIC_GBE) {
3744                 if (pause->autoneg)
3745                         ahw->port_config |= QLC_83XX_ENABLE_AUTONEG;
3746                 if (!pause->autoneg)
3747                         ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG;
3748         } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) {
3749                 return -EOPNOTSUPP;
3750         }
3751
3752         if (!(config & QLC_83XX_CFG_STD_PAUSE))
3753                 ahw->port_config |= QLC_83XX_CFG_STD_PAUSE;
3754
3755         if (pause->rx_pause && pause->tx_pause) {
3756                 ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE;
3757         } else if (pause->rx_pause && !pause->tx_pause) {
3758                 ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE;
3759                 ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE;
3760         } else if (pause->tx_pause && !pause->rx_pause) {
3761                 ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE;
3762                 ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE;
3763         } else if (!pause->rx_pause && !pause->tx_pause) {
3764                 ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE |
3765                                       QLC_83XX_CFG_STD_PAUSE);
3766         }
3767         status = qlcnic_83xx_set_port_config(adapter);
3768         if (status) {
3769                 dev_err(&adapter->pdev->dev,
3770                         "%s: Set Pause Config failed.\n", __func__);
3771                 ahw->port_config = config;
3772         }
3773         return status;
3774 }
3775
3776 static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter)
3777 {
3778         int ret, err = 0;
3779         u32 temp;
3780
3781         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
3782                                      QLC_83XX_FLASH_OEM_READ_SIG);
3783         qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
3784                                      QLC_83XX_FLASH_READ_CTRL);
3785         ret = qlcnic_83xx_poll_flash_status_reg(adapter);
3786         if (ret)
3787                 return -EIO;
3788
3789         temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
3790         if (err == -EIO)
3791                 return err;
3792
3793         return temp & 0xFF;
3794 }
3795
3796 int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter)
3797 {
3798         int status;
3799
3800         status = qlcnic_83xx_read_flash_status_reg(adapter);
3801         if (status == -EIO) {
3802                 dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n",
3803                          __func__);
3804                 return 1;
3805         }
3806         return 0;
3807 }
3808
3809 static int qlcnic_83xx_shutdown(struct pci_dev *pdev)
3810 {
3811         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3812         struct net_device *netdev = adapter->netdev;
3813         int retval;
3814
3815         netif_device_detach(netdev);
3816         qlcnic_cancel_idc_work(adapter);
3817
3818         if (netif_running(netdev))
3819                 qlcnic_down(adapter, netdev);
3820
3821         qlcnic_83xx_disable_mbx_intr(adapter);
3822         cancel_delayed_work_sync(&adapter->idc_aen_work);
3823
3824         retval = pci_save_state(pdev);
3825         if (retval)
3826                 return retval;
3827
3828         return 0;
3829 }
3830
3831 static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter)
3832 {
3833         struct qlcnic_hardware_context *ahw = adapter->ahw;
3834         struct qlc_83xx_idc *idc = &ahw->idc;
3835         int err = 0;
3836
3837         err = qlcnic_83xx_idc_init(adapter);
3838         if (err)
3839                 return err;
3840
3841         if (ahw->nic_mode == QLCNIC_VNIC_MODE) {
3842                 if (ahw->op_mode == QLCNIC_MGMT_FUNC) {
3843                         qlcnic_83xx_set_vnic_opmode(adapter);
3844                 } else {
3845                         err = qlcnic_83xx_check_vnic_state(adapter);
3846                         if (err)
3847                                 return err;
3848                 }
3849         }
3850
3851         err = qlcnic_83xx_idc_reattach_driver(adapter);
3852         if (err)
3853                 return err;
3854
3855         qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
3856                              idc->delay);
3857         return err;
3858 }
3859
3860 void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx)
3861 {
3862         reinit_completion(&mbx->completion);
3863         set_bit(QLC_83XX_MBX_READY, &mbx->status);
3864 }
3865
3866 void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx)
3867 {
3868         if (!mbx)
3869                 return;
3870
3871         destroy_workqueue(mbx->work_q);
3872         kfree(mbx);
3873 }
3874
3875 static inline void
3876 qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter,
3877                                   struct qlcnic_cmd_args *cmd)
3878 {
3879         atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED);
3880
3881         if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) {
3882                 qlcnic_free_mbx_args(cmd);
3883                 kfree(cmd);
3884                 return;
3885         }
3886         complete(&cmd->completion);
3887 }
3888
3889 static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
3890 {
3891         struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3892         struct list_head *head = &mbx->cmd_q;
3893         struct qlcnic_cmd_args *cmd = NULL;
3894
3895         spin_lock_bh(&mbx->queue_lock);
3896
3897         while (!list_empty(head)) {
3898                 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
3899                 dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n",
3900                          __func__, cmd->cmd_op);
3901                 list_del(&cmd->list);
3902                 mbx->num_cmds--;
3903                 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3904         }
3905
3906         spin_unlock_bh(&mbx->queue_lock);
3907 }
3908
3909 static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter)
3910 {
3911         struct qlcnic_hardware_context *ahw = adapter->ahw;
3912         struct qlcnic_mailbox *mbx = ahw->mailbox;
3913         u32 host_mbx_ctrl;
3914
3915         if (!test_bit(QLC_83XX_MBX_READY, &mbx->status))
3916                 return -EBUSY;
3917
3918         host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
3919         if (host_mbx_ctrl) {
3920                 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3921                 ahw->idc.collect_dump = 1;
3922                 return -EIO;
3923         }
3924
3925         return 0;
3926 }
3927
3928 static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter,
3929                                               u8 issue_cmd)
3930 {
3931         if (issue_cmd)
3932                 QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER);
3933         else
3934                 QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
3935 }
3936
3937 static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter,
3938                                         struct qlcnic_cmd_args *cmd)
3939 {
3940         struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3941
3942         spin_lock_bh(&mbx->queue_lock);
3943
3944         list_del(&cmd->list);
3945         mbx->num_cmds--;
3946
3947         spin_unlock_bh(&mbx->queue_lock);
3948
3949         qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3950 }
3951
3952 static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter,
3953                                        struct qlcnic_cmd_args *cmd)
3954 {
3955         u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp;
3956         struct qlcnic_hardware_context *ahw = adapter->ahw;
3957         int i, j;
3958
3959         if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) {
3960                 mbx_cmd = cmd->req.arg[0];
3961                 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3962                 for (i = 1; i < cmd->req.num; i++)
3963                         writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i));
3964         } else {
3965                 fw_hal_version = ahw->fw_hal_version;
3966                 hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32);
3967                 total_size = cmd->pay_size + hdr_size;
3968                 tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16;
3969                 mbx_cmd = tmp | fw_hal_version << 29;
3970                 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3971
3972                 /* Back channel specific operations bits */
3973                 mbx_cmd = 0x1 | 1 << 4;
3974
3975                 if (qlcnic_sriov_pf_check(adapter))
3976                         mbx_cmd |= cmd->func_num << 5;
3977
3978                 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1));
3979
3980                 for (i = 2, j = 0; j < hdr_size; i++, j++)
3981                         writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i));
3982                 for (j = 0; j < cmd->pay_size; j++, i++)
3983                         writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i));
3984         }
3985 }
3986
3987 void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter)
3988 {
3989         struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3990
3991         if (!mbx)
3992                 return;
3993
3994         clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3995         complete(&mbx->completion);
3996         cancel_work_sync(&mbx->work);
3997         flush_workqueue(mbx->work_q);
3998         qlcnic_83xx_flush_mbx_queue(adapter);
3999 }
4000
4001 static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
4002                                        struct qlcnic_cmd_args *cmd,
4003                                        unsigned long *timeout)
4004 {
4005         struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
4006
4007         if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) {
4008                 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT);
4009                 init_completion(&cmd->completion);
4010                 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN;
4011
4012                 spin_lock_bh(&mbx->queue_lock);
4013
4014                 list_add_tail(&cmd->list, &mbx->cmd_q);
4015                 mbx->num_cmds++;
4016                 cmd->total_cmds = mbx->num_cmds;
4017                 *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT;
4018                 queue_work(mbx->work_q, &mbx->work);
4019
4020                 spin_unlock_bh(&mbx->queue_lock);
4021
4022                 return 0;
4023         }
4024
4025         return -EBUSY;
4026 }
4027
4028 static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter,
4029                                        struct qlcnic_cmd_args *cmd)
4030 {
4031         u8 mac_cmd_rcode;
4032         u32 fw_data;
4033
4034         if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) {
4035                 fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2));
4036                 mac_cmd_rcode = (u8)fw_data;
4037                 if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE ||
4038                     mac_cmd_rcode == QLC_83XX_MAC_PRESENT ||
4039                     mac_cmd_rcode == QLC_83XX_MAC_ABSENT) {
4040                         cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4041                         return QLCNIC_RCODE_SUCCESS;
4042                 }
4043         }
4044
4045         return -EINVAL;
4046 }
4047
4048 static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter,
4049                                        struct qlcnic_cmd_args *cmd)
4050 {
4051         struct qlcnic_hardware_context *ahw = adapter->ahw;
4052         struct device *dev = &adapter->pdev->dev;
4053         u8 mbx_err_code;
4054         u32 fw_data;
4055
4056         fw_data = readl(QLCNIC_MBX_FW(ahw, 0));
4057         mbx_err_code = QLCNIC_MBX_STATUS(fw_data);
4058         qlcnic_83xx_get_mbx_data(adapter, cmd);
4059
4060         switch (mbx_err_code) {
4061         case QLCNIC_MBX_RSP_OK:
4062         case QLCNIC_MBX_PORT_RSP_OK:
4063                 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4064                 break;
4065         default:
4066                 if (!qlcnic_83xx_check_mac_rcode(adapter, cmd))
4067                         break;
4068
4069                 dev_err(dev, "%s: Mailbox command failed, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x, error=0x%x\n",
4070                         __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4071                         ahw->op_mode, mbx_err_code);
4072                 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED;
4073                 qlcnic_dump_mbx(adapter, cmd);
4074         }
4075
4076         return;
4077 }
4078
4079 static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
4080 {
4081         struct qlcnic_hardware_context *ahw = adapter->ahw;
4082         u32 offset;
4083
4084         offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
4085         dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x",
4086                  readl(ahw->pci_base0 + offset),
4087                  QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
4088                  QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
4089                  QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
4090 }
4091
4092 static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
4093 {
4094         struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
4095                                                   work);
4096         struct qlcnic_adapter *adapter = mbx->adapter;
4097         const struct qlcnic_mbx_ops *mbx_ops = mbx->ops;
4098         struct device *dev = &adapter->pdev->dev;
4099         struct list_head *head = &mbx->cmd_q;
4100         struct qlcnic_hardware_context *ahw;
4101         struct qlcnic_cmd_args *cmd = NULL;
4102         unsigned long flags;
4103
4104         ahw = adapter->ahw;
4105
4106         while (true) {
4107                 if (qlcnic_83xx_check_mbx_status(adapter)) {
4108                         qlcnic_83xx_flush_mbx_queue(adapter);
4109                         return;
4110                 }
4111
4112                 spin_lock_irqsave(&mbx->aen_lock, flags);
4113                 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT;
4114                 spin_unlock_irqrestore(&mbx->aen_lock, flags);
4115
4116                 spin_lock_bh(&mbx->queue_lock);
4117
4118                 if (list_empty(head)) {
4119                         spin_unlock_bh(&mbx->queue_lock);
4120                         return;
4121                 }
4122                 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
4123
4124                 spin_unlock_bh(&mbx->queue_lock);
4125
4126                 mbx_ops->encode_cmd(adapter, cmd);
4127                 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST);
4128
4129                 if (wait_for_completion_timeout(&mbx->completion,
4130                                                 QLC_83XX_MBX_TIMEOUT)) {
4131                         mbx_ops->decode_resp(adapter, cmd);
4132                         mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION);
4133                 } else {
4134                         dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n",
4135                                 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4136                                 ahw->op_mode);
4137                         clear_bit(QLC_83XX_MBX_READY, &mbx->status);
4138                         qlcnic_dump_mailbox_registers(adapter);
4139                         qlcnic_83xx_get_mbx_data(adapter, cmd);
4140                         qlcnic_dump_mbx(adapter, cmd);
4141                         qlcnic_83xx_idc_request_reset(adapter,
4142                                                       QLCNIC_FORCE_FW_DUMP_KEY);
4143                         cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT;
4144                 }
4145                 mbx_ops->dequeue_cmd(adapter, cmd);
4146         }
4147 }
4148
4149 static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = {
4150         .enqueue_cmd    = qlcnic_83xx_enqueue_mbx_cmd,
4151         .dequeue_cmd    = qlcnic_83xx_dequeue_mbx_cmd,
4152         .decode_resp    = qlcnic_83xx_decode_mbx_rsp,
4153         .encode_cmd     = qlcnic_83xx_encode_mbx_cmd,
4154         .nofity_fw      = qlcnic_83xx_signal_mbx_cmd,
4155 };
4156
4157 int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter)
4158 {
4159         struct qlcnic_hardware_context *ahw = adapter->ahw;
4160         struct qlcnic_mailbox *mbx;
4161
4162         ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL);
4163         if (!ahw->mailbox)
4164                 return -ENOMEM;
4165
4166         mbx = ahw->mailbox;
4167         mbx->ops = &qlcnic_83xx_mbx_ops;
4168         mbx->adapter = adapter;
4169
4170         spin_lock_init(&mbx->queue_lock);
4171         spin_lock_init(&mbx->aen_lock);
4172         INIT_LIST_HEAD(&mbx->cmd_q);
4173         init_completion(&mbx->completion);
4174
4175         mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox");
4176         if (mbx->work_q == NULL) {
4177                 kfree(mbx);
4178                 return -ENOMEM;
4179         }
4180
4181         INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker);
4182         set_bit(QLC_83XX_MBX_READY, &mbx->status);
4183         return 0;
4184 }
4185
4186 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev,
4187                                                       pci_channel_state_t state)
4188 {
4189         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4190
4191         if (state == pci_channel_io_perm_failure)
4192                 return PCI_ERS_RESULT_DISCONNECT;
4193
4194         if (state == pci_channel_io_normal)
4195                 return PCI_ERS_RESULT_RECOVERED;
4196
4197         set_bit(__QLCNIC_AER, &adapter->state);
4198         set_bit(__QLCNIC_RESETTING, &adapter->state);
4199
4200         qlcnic_83xx_aer_stop_poll_work(adapter);
4201
4202         pci_save_state(pdev);
4203         pci_disable_device(pdev);
4204
4205         return PCI_ERS_RESULT_NEED_RESET;
4206 }
4207
4208 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev)
4209 {
4210         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4211         int err = 0;
4212
4213         pdev->error_state = pci_channel_io_normal;
4214         err = pci_enable_device(pdev);
4215         if (err)
4216                 goto disconnect;
4217
4218         pci_set_power_state(pdev, PCI_D0);
4219         pci_set_master(pdev);
4220         pci_restore_state(pdev);
4221
4222         err = qlcnic_83xx_aer_reset(adapter);
4223         if (err == 0)
4224                 return PCI_ERS_RESULT_RECOVERED;
4225 disconnect:
4226         clear_bit(__QLCNIC_AER, &adapter->state);
4227         clear_bit(__QLCNIC_RESETTING, &adapter->state);
4228         return PCI_ERS_RESULT_DISCONNECT;
4229 }
4230
4231 static void qlcnic_83xx_io_resume(struct pci_dev *pdev)
4232 {
4233         struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4234
4235         pci_cleanup_aer_uncorrect_error_status(pdev);
4236         if (test_and_clear_bit(__QLCNIC_AER, &adapter->state))
4237                 qlcnic_83xx_aer_start_poll_work(adapter);
4238 }