| /* |
| * QLogic qlcnic NIC Driver |
| * Copyright (c) 2009-2013 QLogic Corporation |
| * |
| * See LICENSE.qlcnic for copyright and licensing details. |
| */ |
| |
| #include <linux/if_vlan.h> |
| #include <linux/ipv6.h> |
| #include <linux/ethtool.h> |
| #include <linux/interrupt.h> |
| #include <linux/aer.h> |
| |
| #include "qlcnic.h" |
| #include "qlcnic_sriov.h" |
| |
| static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *); |
| static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8); |
| static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *, u8 *, u8, |
| struct qlcnic_cmd_args *); |
| static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *); |
| static irqreturn_t qlcnic_83xx_handle_aen(int, void *); |
| static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *, |
| pci_channel_state_t); |
| static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *); |
| static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *); |
| static void qlcnic_83xx_io_resume(struct pci_dev *); |
| static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8); |
| static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *); |
| static int qlcnic_83xx_resume(struct qlcnic_adapter *); |
| static int qlcnic_83xx_shutdown(struct pci_dev *); |
| static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *); |
| |
| #define RSS_HASHTYPE_IP_TCP 0x3 |
| #define QLC_83XX_FW_MBX_CMD 0 |
| #define QLC_SKIP_INACTIVE_PCI_REGS 7 |
| #define QLC_MAX_LEGACY_FUNC_SUPP 8 |
| |
| /* 83xx Module type */ |
| #define QLC_83XX_MODULE_FIBRE_10GBASE_LRM 0x1 /* 10GBase-LRM */ |
| #define QLC_83XX_MODULE_FIBRE_10GBASE_LR 0x2 /* 10GBase-LR */ |
| #define QLC_83XX_MODULE_FIBRE_10GBASE_SR 0x3 /* 10GBase-SR */ |
| #define QLC_83XX_MODULE_DA_10GE_PASSIVE_CP 0x4 /* 10GE passive |
| * copper(compliant) |
| */ |
| #define QLC_83XX_MODULE_DA_10GE_ACTIVE_CP 0x5 /* 10GE active limiting |
| * copper(compliant) |
| */ |
| #define QLC_83XX_MODULE_DA_10GE_LEGACY_CP 0x6 /* 10GE passive copper |
| * (legacy, best effort) |
| */ |
| #define QLC_83XX_MODULE_FIBRE_1000BASE_SX 0x7 /* 1000Base-SX */ |
| #define QLC_83XX_MODULE_FIBRE_1000BASE_LX 0x8 /* 1000Base-LX */ |
| #define QLC_83XX_MODULE_FIBRE_1000BASE_CX 0x9 /* 1000Base-CX */ |
| #define QLC_83XX_MODULE_TP_1000BASE_T 0xa /* 1000Base-T*/ |
| #define QLC_83XX_MODULE_DA_1GE_PASSIVE_CP 0xb /* 1GE passive copper |
| * (legacy, best effort) |
| */ |
| #define QLC_83XX_MODULE_UNKNOWN 0xf /* Unknown module type */ |
| |
| /* Port types */ |
| #define QLC_83XX_10_CAPABLE BIT_8 |
| #define QLC_83XX_100_CAPABLE BIT_9 |
| #define QLC_83XX_1G_CAPABLE BIT_10 |
| #define QLC_83XX_10G_CAPABLE BIT_11 |
| #define QLC_83XX_AUTONEG_ENABLE BIT_15 |
| |
| static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = { |
| {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1}, |
| {QLCNIC_CMD_CONFIG_INTRPT, 18, 34}, |
| {QLCNIC_CMD_CREATE_RX_CTX, 136, 27}, |
| {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1}, |
| {QLCNIC_CMD_CREATE_TX_CTX, 54, 18}, |
| {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1}, |
| {QLCNIC_CMD_CONFIGURE_MAC_LEARNING, 2, 1}, |
| {QLCNIC_CMD_INTRPT_TEST, 22, 12}, |
| {QLCNIC_CMD_SET_MTU, 3, 1}, |
| {QLCNIC_CMD_READ_PHY, 4, 2}, |
| {QLCNIC_CMD_WRITE_PHY, 5, 1}, |
| {QLCNIC_CMD_READ_HW_REG, 4, 1}, |
| {QLCNIC_CMD_GET_FLOW_CTL, 4, 2}, |
| {QLCNIC_CMD_SET_FLOW_CTL, 4, 1}, |
| {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, |
| {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, |
| {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, |
| {QLCNIC_CMD_GET_PCI_INFO, 1, 129}, |
| {QLCNIC_CMD_GET_NIC_INFO, 2, 19}, |
| {QLCNIC_CMD_SET_NIC_INFO, 32, 1}, |
| {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, |
| {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1}, |
| {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3}, |
| {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1}, |
| {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1}, |
| {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3}, |
| {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1}, |
| {QLCNIC_CMD_CONFIG_PORT, 4, 1}, |
| {QLCNIC_CMD_TEMP_SIZE, 1, 4}, |
| {QLCNIC_CMD_GET_TEMP_HDR, 5, 5}, |
| {QLCNIC_CMD_GET_LINK_EVENT, 2, 1}, |
| {QLCNIC_CMD_CONFIG_MAC_VLAN, 4, 3}, |
| {QLCNIC_CMD_CONFIG_INTR_COAL, 6, 1}, |
| {QLCNIC_CMD_CONFIGURE_RSS, 14, 1}, |
| {QLCNIC_CMD_CONFIGURE_LED, 2, 1}, |
| {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, 2, 1}, |
| {QLCNIC_CMD_CONFIGURE_HW_LRO, 2, 1}, |
| {QLCNIC_CMD_GET_STATISTICS, 2, 80}, |
| {QLCNIC_CMD_SET_PORT_CONFIG, 2, 1}, |
| {QLCNIC_CMD_GET_PORT_CONFIG, 2, 2}, |
| {QLCNIC_CMD_GET_LINK_STATUS, 2, 4}, |
| {QLCNIC_CMD_IDC_ACK, 5, 1}, |
| {QLCNIC_CMD_INIT_NIC_FUNC, 3, 1}, |
| {QLCNIC_CMD_STOP_NIC_FUNC, 2, 1}, |
| {QLCNIC_CMD_SET_LED_CONFIG, 5, 1}, |
| {QLCNIC_CMD_GET_LED_CONFIG, 1, 5}, |
| {QLCNIC_CMD_83XX_SET_DRV_VER, 4, 1}, |
| {QLCNIC_CMD_ADD_RCV_RINGS, 130, 26}, |
| {QLCNIC_CMD_CONFIG_VPORT, 4, 4}, |
| {QLCNIC_CMD_BC_EVENT_SETUP, 2, 1}, |
| {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2}, |
| {QLCNIC_CMD_DCB_QUERY_PARAM, 1, 50}, |
| {QLCNIC_CMD_SET_INGRESS_ENCAP, 2, 1}, |
| {QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP, 4, 1}, |
| }; |
| |
| const u32 qlcnic_83xx_ext_reg_tbl[] = { |
| 0x38CC, /* Global Reset */ |
| 0x38F0, /* Wildcard */ |
| 0x38FC, /* Informant */ |
| 0x3038, /* Host MBX ctrl */ |
| 0x303C, /* FW MBX ctrl */ |
| 0x355C, /* BOOT LOADER ADDRESS REG */ |
| 0x3560, /* BOOT LOADER SIZE REG */ |
| 0x3564, /* FW IMAGE ADDR REG */ |
| 0x1000, /* MBX intr enable */ |
| 0x1200, /* Default Intr mask */ |
| 0x1204, /* Default Interrupt ID */ |
| 0x3780, /* QLC_83XX_IDC_MAJ_VERSION */ |
| 0x3784, /* QLC_83XX_IDC_DEV_STATE */ |
| 0x3788, /* QLC_83XX_IDC_DRV_PRESENCE */ |
| 0x378C, /* QLC_83XX_IDC_DRV_ACK */ |
| 0x3790, /* QLC_83XX_IDC_CTRL */ |
| 0x3794, /* QLC_83XX_IDC_DRV_AUDIT */ |
| 0x3798, /* QLC_83XX_IDC_MIN_VERSION */ |
| 0x379C, /* QLC_83XX_RECOVER_DRV_LOCK */ |
| 0x37A0, /* QLC_83XX_IDC_PF_0 */ |
| 0x37A4, /* QLC_83XX_IDC_PF_1 */ |
| 0x37A8, /* QLC_83XX_IDC_PF_2 */ |
| 0x37AC, /* QLC_83XX_IDC_PF_3 */ |
| 0x37B0, /* QLC_83XX_IDC_PF_4 */ |
| 0x37B4, /* QLC_83XX_IDC_PF_5 */ |
| 0x37B8, /* QLC_83XX_IDC_PF_6 */ |
| 0x37BC, /* QLC_83XX_IDC_PF_7 */ |
| 0x37C0, /* QLC_83XX_IDC_PF_8 */ |
| 0x37C4, /* QLC_83XX_IDC_PF_9 */ |
| 0x37C8, /* QLC_83XX_IDC_PF_10 */ |
| 0x37CC, /* QLC_83XX_IDC_PF_11 */ |
| 0x37D0, /* QLC_83XX_IDC_PF_12 */ |
| 0x37D4, /* QLC_83XX_IDC_PF_13 */ |
| 0x37D8, /* QLC_83XX_IDC_PF_14 */ |
| 0x37DC, /* QLC_83XX_IDC_PF_15 */ |
| 0x37E0, /* QLC_83XX_IDC_DEV_PARTITION_INFO_1 */ |
| 0x37E4, /* QLC_83XX_IDC_DEV_PARTITION_INFO_2 */ |
| 0x37F0, /* QLC_83XX_DRV_OP_MODE */ |
| 0x37F4, /* QLC_83XX_VNIC_STATE */ |
| 0x3868, /* QLC_83XX_DRV_LOCK */ |
| 0x386C, /* QLC_83XX_DRV_UNLOCK */ |
| 0x3504, /* QLC_83XX_DRV_LOCK_ID */ |
| 0x34A4, /* QLC_83XX_ASIC_TEMP */ |
| }; |
| |
| const u32 qlcnic_83xx_reg_tbl[] = { |
| 0x34A8, /* PEG_HALT_STAT1 */ |
| 0x34AC, /* PEG_HALT_STAT2 */ |
| 0x34B0, /* FW_HEARTBEAT */ |
| 0x3500, /* FLASH LOCK_ID */ |
| 0x3528, /* FW_CAPABILITIES */ |
| 0x3538, /* Driver active, DRV_REG0 */ |
| 0x3540, /* Device state, DRV_REG1 */ |
| 0x3544, /* Driver state, DRV_REG2 */ |
| 0x3548, /* Driver scratch, DRV_REG3 */ |
| 0x354C, /* Device partition info, DRV_REG4 */ |
| 0x3524, /* Driver IDC ver, DRV_REG5 */ |
| 0x3550, /* FW_VER_MAJOR */ |
| 0x3554, /* FW_VER_MINOR */ |
| 0x3558, /* FW_VER_SUB */ |
| 0x359C, /* NPAR STATE */ |
| 0x35FC, /* FW_IMG_VALID */ |
| 0x3650, /* CMD_PEG_STATE */ |
| 0x373C, /* RCV_PEG_STATE */ |
| 0x37B4, /* ASIC TEMP */ |
| 0x356C, /* FW API */ |
| 0x3570, /* DRV OP MODE */ |
| 0x3850, /* FLASH LOCK */ |
| 0x3854, /* FLASH UNLOCK */ |
| }; |
| |
| static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = { |
| .read_crb = qlcnic_83xx_read_crb, |
| .write_crb = qlcnic_83xx_write_crb, |
| .read_reg = qlcnic_83xx_rd_reg_indirect, |
| .write_reg = qlcnic_83xx_wrt_reg_indirect, |
| .get_mac_address = qlcnic_83xx_get_mac_address, |
| .setup_intr = qlcnic_83xx_setup_intr, |
| .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, |
| .mbx_cmd = qlcnic_83xx_issue_cmd, |
| .get_func_no = qlcnic_83xx_get_func_no, |
| .api_lock = qlcnic_83xx_cam_lock, |
| .api_unlock = qlcnic_83xx_cam_unlock, |
| .add_sysfs = qlcnic_83xx_add_sysfs, |
| .remove_sysfs = qlcnic_83xx_remove_sysfs, |
| .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, |
| .create_rx_ctx = qlcnic_83xx_create_rx_ctx, |
| .create_tx_ctx = qlcnic_83xx_create_tx_ctx, |
| .del_rx_ctx = qlcnic_83xx_del_rx_ctx, |
| .del_tx_ctx = qlcnic_83xx_del_tx_ctx, |
| .setup_link_event = qlcnic_83xx_setup_link_event, |
| .get_nic_info = qlcnic_83xx_get_nic_info, |
| .get_pci_info = qlcnic_83xx_get_pci_info, |
| .set_nic_info = qlcnic_83xx_set_nic_info, |
| .change_macvlan = qlcnic_83xx_sre_macaddr_change, |
| .napi_enable = qlcnic_83xx_napi_enable, |
| .napi_disable = qlcnic_83xx_napi_disable, |
| .config_intr_coal = qlcnic_83xx_config_intr_coal, |
| .config_rss = qlcnic_83xx_config_rss, |
| .config_hw_lro = qlcnic_83xx_config_hw_lro, |
| .config_promisc_mode = qlcnic_83xx_nic_set_promisc, |
| .change_l2_filter = qlcnic_83xx_change_l2_filter, |
| .get_board_info = qlcnic_83xx_get_port_info, |
| .set_mac_filter_count = qlcnic_83xx_set_mac_filter_count, |
| .free_mac_list = qlcnic_82xx_free_mac_list, |
| .io_error_detected = qlcnic_83xx_io_error_detected, |
| .io_slot_reset = qlcnic_83xx_io_slot_reset, |
| .io_resume = qlcnic_83xx_io_resume, |
| .get_beacon_state = qlcnic_83xx_get_beacon_state, |
| .enable_sds_intr = qlcnic_83xx_enable_sds_intr, |
| .disable_sds_intr = qlcnic_83xx_disable_sds_intr, |
| .enable_tx_intr = qlcnic_83xx_enable_tx_intr, |
| .disable_tx_intr = qlcnic_83xx_disable_tx_intr, |
| .get_saved_state = qlcnic_83xx_get_saved_state, |
| .set_saved_state = qlcnic_83xx_set_saved_state, |
| .cache_tmpl_hdr_values = qlcnic_83xx_cache_tmpl_hdr_values, |
| .get_cap_size = qlcnic_83xx_get_cap_size, |
| .set_sys_info = qlcnic_83xx_set_sys_info, |
| .store_cap_mask = qlcnic_83xx_store_cap_mask, |
| .encap_rx_offload = qlcnic_83xx_encap_rx_offload, |
| .encap_tx_offload = qlcnic_83xx_encap_tx_offload, |
| }; |
| |
| static struct qlcnic_nic_template qlcnic_83xx_ops = { |
| .config_bridged_mode = qlcnic_config_bridged_mode, |
| .config_led = qlcnic_config_led, |
| .request_reset = qlcnic_83xx_idc_request_reset, |
| .cancel_idc_work = qlcnic_83xx_idc_exit, |
| .napi_add = qlcnic_83xx_napi_add, |
| .napi_del = qlcnic_83xx_napi_del, |
| .config_ipaddr = qlcnic_83xx_config_ipaddr, |
| .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, |
| .shutdown = qlcnic_83xx_shutdown, |
| .resume = qlcnic_83xx_resume, |
| }; |
| |
| void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw) |
| { |
| ahw->hw_ops = &qlcnic_83xx_hw_ops; |
| ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; |
| ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; |
| } |
| |
| int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter) |
| { |
| u32 fw_major, fw_minor, fw_build; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); |
| fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); |
| fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); |
| adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); |
| |
| dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n", |
| QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); |
| |
| return adapter->fw_version; |
| } |
| |
| static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr) |
| { |
| void __iomem *base; |
| u32 val; |
| |
| base = adapter->ahw->pci_base0 + |
| QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func); |
| writel(addr, base); |
| val = readl(base); |
| if (val != addr) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, |
| int *err) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| *err = __qlcnic_set_win_base(adapter, (u32) addr); |
| if (!*err) { |
| return QLCRDX(ahw, QLCNIC_WILDCARD); |
| } else { |
| dev_err(&adapter->pdev->dev, |
| "%s failed, addr = 0x%lx\n", __func__, addr); |
| return -EIO; |
| } |
| } |
| |
| int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, |
| u32 data) |
| { |
| int err; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| err = __qlcnic_set_win_base(adapter, (u32) addr); |
| if (!err) { |
| QLCWRX(ahw, QLCNIC_WILDCARD, data); |
| return 0; |
| } else { |
| dev_err(&adapter->pdev->dev, |
| "%s failed, addr = 0x%x data = 0x%x\n", |
| __func__, (int)addr, data); |
| return err; |
| } |
| } |
| |
| static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| /* MSI-X enablement failed, use legacy interrupt */ |
| adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR; |
| adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK; |
| adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR; |
| adapter->msix_entries[0].vector = adapter->pdev->irq; |
| dev_info(&adapter->pdev->dev, "using legacy interrupt\n"); |
| } |
| |
| static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter) |
| { |
| int num_msix; |
| |
| num_msix = adapter->drv_sds_rings; |
| |
| /* account for AEN interrupt MSI-X based interrupts */ |
| num_msix += 1; |
| |
| if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) |
| num_msix += adapter->drv_tx_rings; |
| |
| return num_msix; |
| } |
| |
| int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int err, i, num_msix; |
| |
| if (adapter->flags & QLCNIC_TSS_RSS) { |
| err = qlcnic_setup_tss_rss_intr(adapter); |
| if (err < 0) |
| return err; |
| num_msix = ahw->num_msix; |
| } else { |
| num_msix = qlcnic_83xx_calculate_msix_vector(adapter); |
| |
| err = qlcnic_enable_msix(adapter, num_msix); |
| if (err == -ENOMEM) |
| return err; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) { |
| num_msix = ahw->num_msix; |
| } else { |
| if (qlcnic_sriov_vf_check(adapter)) |
| return -EINVAL; |
| num_msix = 1; |
| adapter->drv_sds_rings = QLCNIC_SINGLE_RING; |
| adapter->drv_tx_rings = QLCNIC_SINGLE_RING; |
| } |
| } |
| |
| /* setup interrupt mapping table for fw */ |
| ahw->intr_tbl = |
| vzalloc(array_size(num_msix, |
| sizeof(struct qlcnic_intrpt_config))); |
| if (!ahw->intr_tbl) |
| return -ENOMEM; |
| |
| if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { |
| if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) { |
| dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n", |
| ahw->pci_func); |
| return -EOPNOTSUPP; |
| } |
| |
| qlcnic_83xx_enable_legacy(adapter); |
| } |
| |
| for (i = 0; i < num_msix; i++) { |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; |
| else |
| ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX; |
| ahw->intr_tbl[i].id = i; |
| ahw->intr_tbl[i].src = 0; |
| } |
| |
| return 0; |
| } |
| |
| static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter) |
| { |
| writel(0, adapter->tgt_mask_reg); |
| } |
| |
| static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->tgt_mask_reg) |
| writel(1, adapter->tgt_mask_reg); |
| } |
| |
| static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter |
| *adapter) |
| { |
| u32 mask; |
| |
| /* Mailbox in MSI-x mode and Legacy Interrupt share the same |
| * source register. We could be here before contexts are created |
| * and sds_ring->crb_intr_mask has not been initialized, calculate |
| * BAR offset for Interrupt Source Register |
| */ |
| mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); |
| writel(0, adapter->ahw->pci_base0 + mask); |
| } |
| |
| void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter) |
| { |
| u32 mask; |
| |
| mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); |
| writel(1, adapter->ahw->pci_base0 + mask); |
| QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0); |
| } |
| |
| static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| int i; |
| |
| if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) |
| return; |
| |
| for (i = 0; i < cmd->rsp.num; i++) |
| cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i)); |
| } |
| |
| irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter) |
| { |
| u32 intr_val; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int retries = 0; |
| |
| intr_val = readl(adapter->tgt_status_reg); |
| |
| if (!QLC_83XX_VALID_INTX_BIT31(intr_val)) |
| return IRQ_NONE; |
| |
| if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) { |
| adapter->stats.spurious_intr++; |
| return IRQ_NONE; |
| } |
| /* The barrier is required to ensure writes to the registers */ |
| wmb(); |
| |
| /* clear the interrupt trigger control register */ |
| writel_relaxed(0, adapter->isr_int_vec); |
| intr_val = readl(adapter->isr_int_vec); |
| do { |
| intr_val = readl(adapter->tgt_status_reg); |
| if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func) |
| break; |
| retries++; |
| } while (QLC_83XX_VALID_INTX_BIT30(intr_val) && |
| (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY)); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx) |
| { |
| mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; |
| complete(&mbx->completion); |
| } |
| |
| static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter) |
| { |
| u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; |
| struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&mbx->aen_lock, flags); |
| resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); |
| if (!(resp & QLCNIC_SET_OWNER)) |
| goto out; |
| |
| event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); |
| if (event & QLCNIC_MBX_ASYNC_EVENT) { |
| __qlcnic_83xx_process_aen(adapter); |
| } else { |
| if (mbx->rsp_status != rsp_status) |
| qlcnic_83xx_notify_mbx_response(mbx); |
| } |
| out: |
| qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); |
| spin_unlock_irqrestore(&mbx->aen_lock, flags); |
| } |
| |
| irqreturn_t qlcnic_83xx_intr(int irq, void *data) |
| { |
| struct qlcnic_adapter *adapter = data; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE) |
| return IRQ_NONE; |
| |
| qlcnic_83xx_poll_process_aen(adapter); |
| |
| if (ahw->diag_test) { |
| if (ahw->diag_test == QLCNIC_INTERRUPT_TEST) |
| ahw->diag_cnt++; |
| qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); |
| return IRQ_HANDLED; |
| } |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
| qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); |
| } else { |
| sds_ring = &adapter->recv_ctx->sds_rings[0]; |
| napi_schedule(&sds_ring->napi); |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| goto done; |
| |
| if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE) |
| return IRQ_NONE; |
| |
| done: |
| adapter->ahw->diag_cnt++; |
| qlcnic_enable_sds_intr(adapter, sds_ring); |
| |
| return IRQ_HANDLED; |
| } |
| |
| void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter) |
| { |
| u32 num_msix; |
| |
| if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) |
| qlcnic_83xx_set_legacy_intr_mask(adapter); |
| |
| qlcnic_83xx_disable_mbx_intr(adapter); |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| num_msix = adapter->ahw->num_msix - 1; |
| else |
| num_msix = 0; |
| |
| msleep(20); |
| |
| if (adapter->msix_entries) { |
| synchronize_irq(adapter->msix_entries[num_msix].vector); |
| free_irq(adapter->msix_entries[num_msix].vector, adapter); |
| } |
| } |
| |
| int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter) |
| { |
| irq_handler_t handler; |
| u32 val; |
| int err = 0; |
| unsigned long flags = 0; |
| |
| if (!(adapter->flags & QLCNIC_MSI_ENABLED) && |
| !(adapter->flags & QLCNIC_MSIX_ENABLED)) |
| flags |= IRQF_SHARED; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) { |
| handler = qlcnic_83xx_handle_aen; |
| val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector; |
| err = request_irq(val, handler, flags, "qlcnic-MB", adapter); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "failed to register MBX interrupt\n"); |
| return err; |
| } |
| } else { |
| handler = qlcnic_83xx_intr; |
| val = adapter->msix_entries[0].vector; |
| err = request_irq(val, handler, flags, "qlcnic", adapter); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "failed to register INTx interrupt\n"); |
| return err; |
| } |
| qlcnic_83xx_clear_legacy_intr_mask(adapter); |
| } |
| |
| /* Enable mailbox interrupt */ |
| qlcnic_83xx_enable_mbx_interrupt(adapter); |
| |
| return err; |
| } |
| |
| void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter) |
| { |
| u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT); |
| adapter->ahw->pci_func = (val >> 24) & 0xff; |
| } |
| |
| int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter) |
| { |
| void __iomem *addr; |
| u32 val, limit = 0; |
| |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func); |
| do { |
| val = readl(addr); |
| if (val) { |
| /* write the function number to register */ |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, |
| ahw->pci_func); |
| return 0; |
| } |
| usleep_range(1000, 2000); |
| } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT); |
| |
| return -EIO; |
| } |
| |
| void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter) |
| { |
| void __iomem *addr; |
| u32 val; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func); |
| val = readl(addr); |
| } |
| |
| void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, |
| loff_t offset, size_t size) |
| { |
| int ret = 0; |
| u32 data; |
| |
| if (qlcnic_api_lock(adapter)) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed to acquire lock. addr offset 0x%x\n", |
| __func__, (u32)offset); |
| return; |
| } |
| |
| data = QLCRD32(adapter, (u32) offset, &ret); |
| qlcnic_api_unlock(adapter); |
| |
| if (ret == -EIO) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed. addr offset 0x%x\n", |
| __func__, (u32)offset); |
| return; |
| } |
| memcpy(buf, &data, size); |
| } |
| |
| void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf, |
| loff_t offset, size_t size) |
| { |
| u32 data; |
| |
| memcpy(&data, buf, size); |
| qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data); |
| } |
| |
| int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int status; |
| |
| status = qlcnic_83xx_get_port_config(adapter); |
| if (status) { |
| dev_err(&adapter->pdev->dev, |
| "Get Port Info failed\n"); |
| } else { |
| |
| if (ahw->port_config & QLC_83XX_10G_CAPABLE) { |
| ahw->port_type = QLCNIC_XGBE; |
| } else if (ahw->port_config & QLC_83XX_10_CAPABLE || |
| ahw->port_config & QLC_83XX_100_CAPABLE || |
| ahw->port_config & QLC_83XX_1G_CAPABLE) { |
| ahw->port_type = QLCNIC_GBE; |
| } else { |
| ahw->port_type = QLCNIC_XGBE; |
| } |
| |
| if (QLC_83XX_AUTONEG(ahw->port_config)) |
| ahw->link_autoneg = AUTONEG_ENABLE; |
| |
| } |
| return status; |
| } |
| |
| static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u16 act_pci_fn = ahw->total_nic_func; |
| u16 count; |
| |
| ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT; |
| if (act_pci_fn <= 2) |
| count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) / |
| act_pci_fn; |
| else |
| count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) / |
| act_pci_fn; |
| ahw->max_uc_count = count; |
| } |
| |
| void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter) |
| { |
| u32 val; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8); |
| else |
| val = BIT_2; |
| |
| QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val); |
| qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); |
| } |
| |
| void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter, |
| const struct pci_device_id *ent) |
| { |
| u32 op_mode, priv_level; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| ahw->fw_hal_version = 2; |
| qlcnic_get_func_no(adapter); |
| |
| if (qlcnic_sriov_vf_check(adapter)) { |
| qlcnic_sriov_vf_set_ops(adapter); |
| return; |
| } |
| |
| /* Determine function privilege level */ |
| op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); |
| if (op_mode == QLC_83XX_DEFAULT_OPMODE) |
| priv_level = QLCNIC_MGMT_FUNC; |
| else |
| priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, |
| ahw->pci_func); |
| |
| if (priv_level == QLCNIC_NON_PRIV_FUNC) { |
| ahw->op_mode = QLCNIC_NON_PRIV_FUNC; |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d Non Privileged function\n", |
| ahw->fw_hal_version); |
| adapter->nic_ops = &qlcnic_vf_ops; |
| } else { |
| if (pci_find_ext_capability(adapter->pdev, |
| PCI_EXT_CAP_ID_SRIOV)) |
| set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state); |
| adapter->nic_ops = &qlcnic_83xx_ops; |
| } |
| } |
| |
| static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, |
| u32 data[]); |
| static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, |
| u32 data[]); |
| |
| void qlcnic_dump_mbx(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| int i; |
| |
| if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) |
| return; |
| |
| dev_info(&adapter->pdev->dev, |
| "Host MBX regs(%d)\n", cmd->req.num); |
| for (i = 0; i < cmd->req.num; i++) { |
| if (i && !(i % 8)) |
| pr_info("\n"); |
| pr_info("%08x ", cmd->req.arg[i]); |
| } |
| pr_info("\n"); |
| dev_info(&adapter->pdev->dev, |
| "FW MBX regs(%d)\n", cmd->rsp.num); |
| for (i = 0; i < cmd->rsp.num; i++) { |
| if (i && !(i % 8)) |
| pr_info("\n"); |
| pr_info("%08x ", cmd->rsp.arg[i]); |
| } |
| pr_info("\n"); |
| } |
| |
| static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int opcode = LSW(cmd->req.arg[0]); |
| unsigned long max_loops; |
| |
| max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP; |
| |
| for (; max_loops; max_loops--) { |
| if (atomic_read(&cmd->rsp_status) == |
| QLC_83XX_MBX_RESPONSE_ARRIVED) |
| return; |
| |
| udelay(1); |
| } |
| |
| dev_err(&adapter->pdev->dev, |
| "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode); |
| flush_workqueue(ahw->mailbox->work_q); |
| return; |
| } |
| |
| int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int cmd_type, err, opcode; |
| unsigned long timeout; |
| |
| if (!mbx) |
| return -EIO; |
| |
| opcode = LSW(cmd->req.arg[0]); |
| cmd_type = cmd->type; |
| err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| __func__, opcode, cmd->type, ahw->pci_func, |
| ahw->op_mode); |
| return err; |
| } |
| |
| switch (cmd_type) { |
| case QLC_83XX_MBX_CMD_WAIT: |
| if (!wait_for_completion_timeout(&cmd->completion, timeout)) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| __func__, opcode, cmd_type, ahw->pci_func, |
| ahw->op_mode); |
| flush_workqueue(mbx->work_q); |
| } |
| break; |
| case QLC_83XX_MBX_CMD_NO_WAIT: |
| return 0; |
| case QLC_83XX_MBX_CMD_BUSY_WAIT: |
| qlcnic_83xx_poll_for_mbx_completion(adapter, cmd); |
| break; |
| default: |
| dev_err(&adapter->pdev->dev, |
| "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| __func__, opcode, cmd_type, ahw->pci_func, |
| ahw->op_mode); |
| qlcnic_83xx_detach_mailbox_work(adapter); |
| } |
| |
| return cmd->rsp_opcode; |
| } |
| |
| int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx, |
| struct qlcnic_adapter *adapter, u32 type) |
| { |
| int i, size; |
| u32 temp; |
| const struct qlcnic_mailbox_metadata *mbx_tbl; |
| |
| memset(mbx, 0, sizeof(struct qlcnic_cmd_args)); |
| mbx_tbl = qlcnic_83xx_mbx_tbl; |
| size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl); |
| for (i = 0; i < size; i++) { |
| if (type == mbx_tbl[i].cmd) { |
| mbx->op_type = QLC_83XX_FW_MBX_CMD; |
| mbx->req.num = mbx_tbl[i].in_args; |
| mbx->rsp.num = mbx_tbl[i].out_args; |
| mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), |
| GFP_ATOMIC); |
| if (!mbx->req.arg) |
| return -ENOMEM; |
| mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), |
| GFP_ATOMIC); |
| if (!mbx->rsp.arg) { |
| kfree(mbx->req.arg); |
| mbx->req.arg = NULL; |
| return -ENOMEM; |
| } |
| temp = adapter->ahw->fw_hal_version << 29; |
| mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp); |
| mbx->cmd_op = type; |
| return 0; |
| } |
| } |
| |
| dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n", |
| __func__, type); |
| return -EINVAL; |
| } |
| |
| void qlcnic_83xx_idc_aen_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter; |
| struct qlcnic_cmd_args cmd; |
| int i, err = 0; |
| |
| adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work); |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK); |
| if (err) |
| return; |
| |
| for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++) |
| cmd.req.arg[i] = adapter->ahw->mbox_aen[i]; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_info(&adapter->pdev->dev, |
| "%s: Mailbox IDC ACK failed.\n", __func__); |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, |
| u32 data[]) |
| { |
| dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n", |
| QLCNIC_MBX_RSP(data[0])); |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status); |
| return; |
| } |
| |
| static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u32 event[QLC_83XX_MBX_AEN_CNT]; |
| int i; |
| |
| for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) |
| event[i] = readl(QLCNIC_MBX_FW(ahw, i)); |
| |
| switch (QLCNIC_MBX_RSP(event[0])) { |
| |
| case QLCNIC_MBX_LINK_EVENT: |
| qlcnic_83xx_handle_link_aen(adapter, event); |
| break; |
| case QLCNIC_MBX_COMP_EVENT: |
| qlcnic_83xx_handle_idc_comp_aen(adapter, event); |
| break; |
| case QLCNIC_MBX_REQUEST_EVENT: |
| for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) |
| adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]); |
| queue_delayed_work(adapter->qlcnic_wq, |
| &adapter->idc_aen_work, 0); |
| break; |
| case QLCNIC_MBX_TIME_EXTEND_EVENT: |
| ahw->extend_lb_time = event[1] >> 8 & 0xf; |
| break; |
| case QLCNIC_MBX_BC_EVENT: |
| qlcnic_sriov_handle_bc_event(adapter, event[1]); |
| break; |
| case QLCNIC_MBX_SFP_INSERT_EVENT: |
| dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n", |
| QLCNIC_MBX_RSP(event[0])); |
| break; |
| case QLCNIC_MBX_SFP_REMOVE_EVENT: |
| dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n", |
| QLCNIC_MBX_RSP(event[0])); |
| break; |
| case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT: |
| qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]); |
| break; |
| default: |
| dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n", |
| QLCNIC_MBX_RSP(event[0])); |
| break; |
| } |
| |
| QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); |
| } |
| |
| static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) |
| { |
| u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_mailbox *mbx = ahw->mailbox; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&mbx->aen_lock, flags); |
| resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL); |
| if (resp & QLCNIC_SET_OWNER) { |
| event = readl(QLCNIC_MBX_FW(ahw, 0)); |
| if (event & QLCNIC_MBX_ASYNC_EVENT) { |
| __qlcnic_83xx_process_aen(adapter); |
| } else { |
| if (mbx->rsp_status != rsp_status) |
| qlcnic_83xx_notify_mbx_response(mbx); |
| } |
| } |
| spin_unlock_irqrestore(&mbx->aen_lock, flags); |
| } |
| |
| static void qlcnic_83xx_mbx_poll_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter; |
| |
| adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work); |
| |
| if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) |
| return; |
| |
| qlcnic_83xx_process_aen(adapter); |
| queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, |
| (HZ / 10)); |
| } |
| |
| void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter) |
| { |
| if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) |
| return; |
| |
| INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work); |
| queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0); |
| } |
| |
| void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter) |
| { |
| if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) |
| return; |
| cancel_delayed_work_sync(&adapter->mbx_poll_work); |
| } |
| |
| static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter) |
| { |
| int index, i, err, sds_mbx_size; |
| u32 *buf, intrpt_id, intr_mask; |
| u16 context_id; |
| u8 num_sds; |
| struct qlcnic_cmd_args cmd; |
| struct qlcnic_host_sds_ring *sds; |
| struct qlcnic_sds_mbx sds_mbx; |
| struct qlcnic_add_rings_mbx_out *mbx_out; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| sds_mbx_size = sizeof(struct qlcnic_sds_mbx); |
| context_id = recv_ctx->context_id; |
| num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS; |
| ahw->hw_ops->alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_ADD_RCV_RINGS); |
| cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16); |
| |
| /* set up status rings, mbx 2-81 */ |
| index = 2; |
| for (i = 8; i < adapter->drv_sds_rings; i++) { |
| memset(&sds_mbx, 0, sds_mbx_size); |
| sds = &recv_ctx->sds_rings[i]; |
| sds->consumer = 0; |
| memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); |
| sds_mbx.phy_addr_low = LSD(sds->phys_addr); |
| sds_mbx.phy_addr_high = MSD(sds->phys_addr); |
| sds_mbx.sds_ring_size = sds->num_desc; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| intrpt_id = ahw->intr_tbl[i].id; |
| else |
| intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); |
| |
| if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) |
| sds_mbx.intrpt_id = intrpt_id; |
| else |
| sds_mbx.intrpt_id = 0xffff; |
| sds_mbx.intrpt_val = 0; |
| buf = &cmd.req.arg[index]; |
| memcpy(buf, &sds_mbx, sds_mbx_size); |
| index += sds_mbx_size / sizeof(u32); |
| } |
| |
| /* send the mailbox command */ |
| err = ahw->hw_ops->mbx_cmd(adapter, &cmd); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "Failed to add rings %d\n", err); |
| goto out; |
| } |
| |
| mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1]; |
| index = 0; |
| /* status descriptor ring */ |
| for (i = 8; i < adapter->drv_sds_rings; i++) { |
| sds = &recv_ctx->sds_rings[i]; |
| sds->crb_sts_consumer = ahw->pci_base0 + |
| mbx_out->host_csmr[index]; |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| intr_mask = ahw->intr_tbl[i].src; |
| else |
| intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); |
| |
| sds->crb_intr_mask = ahw->pci_base0 + intr_mask; |
| index++; |
| } |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| u32 temp = 0; |
| struct qlcnic_cmd_args cmd; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX)) |
| return; |
| |
| if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) |
| cmd.req.arg[0] |= (0x3 << 29); |
| |
| if (qlcnic_sriov_pf_check(adapter)) |
| qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp); |
| |
| cmd.req.arg[1] = recv_ctx->context_id | temp; |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_err(&adapter->pdev->dev, |
| "Failed to destroy rx ctx in firmware\n"); |
| |
| recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED; |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter) |
| { |
| int i, err, index, sds_mbx_size, rds_mbx_size; |
| u8 num_sds, num_rds; |
| u32 *buf, intrpt_id, intr_mask, cap = 0; |
| struct qlcnic_host_sds_ring *sds; |
| struct qlcnic_host_rds_ring *rds; |
| struct qlcnic_sds_mbx sds_mbx; |
| struct qlcnic_rds_mbx rds_mbx; |
| struct qlcnic_cmd_args cmd; |
| struct qlcnic_rcv_mbx_out *mbx_out; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| num_rds = adapter->max_rds_rings; |
| |
| if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS) |
| num_sds = adapter->drv_sds_rings; |
| else |
| num_sds = QLCNIC_MAX_SDS_RINGS; |
| |
| sds_mbx_size = sizeof(struct qlcnic_sds_mbx); |
| rds_mbx_size = sizeof(struct qlcnic_rds_mbx); |
| cap = QLCNIC_CAP0_LEGACY_CONTEXT; |
| |
| if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) |
| cap |= QLC_83XX_FW_CAP_LRO_MSS; |
| |
| /* set mailbox hdr and capabilities */ |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_CREATE_RX_CTX); |
| if (err) |
| return err; |
| |
| if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) |
| cmd.req.arg[0] |= (0x3 << 29); |
| |
| cmd.req.arg[1] = cap; |
| cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) | |
| (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16); |
| |
| if (qlcnic_sriov_pf_check(adapter)) |
| qlcnic_pf_set_interface_id_create_rx_ctx(adapter, |
| &cmd.req.arg[6]); |
| /* set up status rings, mbx 8-57/87 */ |
| index = QLC_83XX_HOST_SDS_MBX_IDX; |
| for (i = 0; i < num_sds; i++) { |
| memset(&sds_mbx, 0, sds_mbx_size); |
| sds = &recv_ctx->sds_rings[i]; |
| sds->consumer = 0; |
| memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); |
| sds_mbx.phy_addr_low = LSD(sds->phys_addr); |
| sds_mbx.phy_addr_high = MSD(sds->phys_addr); |
| sds_mbx.sds_ring_size = sds->num_desc; |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| intrpt_id = ahw->intr_tbl[i].id; |
| else |
| intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); |
| if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) |
| sds_mbx.intrpt_id = intrpt_id; |
| else |
| sds_mbx.intrpt_id = 0xffff; |
| sds_mbx.intrpt_val = 0; |
| buf = &cmd.req.arg[index]; |
| memcpy(buf, &sds_mbx, sds_mbx_size); |
| index += sds_mbx_size / sizeof(u32); |
| } |
| /* set up receive rings, mbx 88-111/135 */ |
| index = QLCNIC_HOST_RDS_MBX_IDX; |
| rds = &recv_ctx->rds_rings[0]; |
| rds->producer = 0; |
| memset(&rds_mbx, 0, rds_mbx_size); |
| rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr); |
| rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr); |
| rds_mbx.reg_ring_sz = rds->dma_size; |
| rds_mbx.reg_ring_len = rds->num_desc; |
| /* Jumbo ring */ |
| rds = &recv_ctx->rds_rings[1]; |
| rds->producer = 0; |
| rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr); |
| rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr); |
| rds_mbx.jmb_ring_sz = rds->dma_size; |
| rds_mbx.jmb_ring_len = rds->num_desc; |
| buf = &cmd.req.arg[index]; |
| memcpy(buf, &rds_mbx, rds_mbx_size); |
| |
| /* send the mailbox command */ |
| err = ahw->hw_ops->mbx_cmd(adapter, &cmd); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "Failed to create Rx ctx in firmware%d\n", err); |
| goto out; |
| } |
| mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1]; |
| recv_ctx->context_id = mbx_out->ctx_id; |
| recv_ctx->state = mbx_out->state; |
| recv_ctx->virt_port = mbx_out->vport_id; |
| dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n", |
| recv_ctx->context_id, recv_ctx->state); |
| /* Receive descriptor ring */ |
| /* Standard ring */ |
| rds = &recv_ctx->rds_rings[0]; |
| rds->crb_rcv_producer = ahw->pci_base0 + |
| mbx_out->host_prod[0].reg_buf; |
| /* Jumbo ring */ |
| rds = &recv_ctx->rds_rings[1]; |
| rds->crb_rcv_producer = ahw->pci_base0 + |
| mbx_out->host_prod[0].jmb_buf; |
| /* status descriptor ring */ |
| for (i = 0; i < num_sds; i++) { |
| sds = &recv_ctx->sds_rings[i]; |
| sds->crb_sts_consumer = ahw->pci_base0 + |
| mbx_out->host_csmr[i]; |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| intr_mask = ahw->intr_tbl[i].src; |
| else |
| intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); |
| sds->crb_intr_mask = ahw->pci_base0 + intr_mask; |
| } |
| |
| if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS) |
| err = qlcnic_83xx_add_rings(adapter); |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter, |
| struct qlcnic_host_tx_ring *tx_ring) |
| { |
| struct qlcnic_cmd_args cmd; |
| u32 temp = 0; |
| |
| if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX)) |
| return; |
| |
| if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) |
| cmd.req.arg[0] |= (0x3 << 29); |
| |
| if (qlcnic_sriov_pf_check(adapter)) |
| qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp); |
| |
| cmd.req.arg[1] = tx_ring->ctx_id | temp; |
| if (qlcnic_issue_cmd(adapter, &cmd)) |
| dev_err(&adapter->pdev->dev, |
| "Failed to destroy tx ctx in firmware\n"); |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter, |
| struct qlcnic_host_tx_ring *tx, int ring) |
| { |
| int err; |
| u16 msix_id; |
| u32 *buf, intr_mask, temp = 0; |
| struct qlcnic_cmd_args cmd; |
| struct qlcnic_tx_mbx mbx; |
| struct qlcnic_tx_mbx_out *mbx_out; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u32 msix_vector; |
| |
| /* Reset host resources */ |
| tx->producer = 0; |
| tx->sw_consumer = 0; |
| *(tx->hw_consumer) = 0; |
| |
| memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx)); |
| |
| /* setup mailbox inbox registerss */ |
| mbx.phys_addr_low = LSD(tx->phys_addr); |
| mbx.phys_addr_high = MSD(tx->phys_addr); |
| mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr); |
| mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr); |
| mbx.size = tx->num_desc; |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) { |
| if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) |
| msix_vector = adapter->drv_sds_rings + ring; |
| else |
| msix_vector = adapter->drv_sds_rings - 1; |
| msix_id = ahw->intr_tbl[msix_vector].id; |
| } else { |
| msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); |
| } |
| |
| if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) |
| mbx.intr_id = msix_id; |
| else |
| mbx.intr_id = 0xffff; |
| mbx.src = 0; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX); |
| if (err) |
| return err; |
| |
| if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) |
| cmd.req.arg[0] |= (0x3 << 29); |
| |
| if (qlcnic_sriov_pf_check(adapter)) |
| qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp); |
| |
| cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT; |
| cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp; |
| |
| buf = &cmd.req.arg[6]; |
| memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx)); |
| /* send the mailbox command*/ |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) { |
| netdev_err(adapter->netdev, |
| "Failed to create Tx ctx in firmware 0x%x\n", err); |
| goto out; |
| } |
| mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2]; |
| tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod; |
| tx->ctx_id = mbx_out->ctx_id; |
| if ((adapter->flags & QLCNIC_MSIX_ENABLED) && |
| !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { |
| intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src; |
| tx->crb_intr_mask = ahw->pci_base0 + intr_mask; |
| } |
| netdev_info(adapter->netdev, |
| "Tx Context[0x%x] Created, state:0x%x\n", |
| tx->ctx_id, mbx_out->state); |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test, |
| u8 num_sds_ring) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_host_rds_ring *rds_ring; |
| u16 adapter_state = adapter->is_up; |
| u8 ring; |
| int ret; |
| |
| netif_device_detach(netdev); |
| |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| |
| adapter->drv_sds_rings = QLCNIC_SINGLE_RING; |
| adapter->ahw->diag_test = test; |
| adapter->ahw->linkup = 0; |
| |
| ret = qlcnic_attach(adapter); |
| if (ret) { |
| netif_device_attach(netdev); |
| return ret; |
| } |
| |
| ret = qlcnic_fw_create_ctx(adapter); |
| if (ret) { |
| qlcnic_detach(adapter); |
| if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) { |
| adapter->drv_sds_rings = num_sds_ring; |
| qlcnic_attach(adapter); |
| } |
| netif_device_attach(netdev); |
| return ret; |
| } |
| |
| for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| rds_ring = &adapter->recv_ctx->rds_rings[ring]; |
| qlcnic_post_rx_buffers(adapter, rds_ring, ring); |
| } |
| |
| if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { |
| for (ring = 0; ring < adapter->drv_sds_rings; ring++) { |
| sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
| qlcnic_enable_sds_intr(adapter, sds_ring); |
| } |
| } |
| |
| if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { |
| adapter->ahw->loopback_state = 0; |
| adapter->ahw->hw_ops->setup_link_event(adapter, 1); |
| } |
| |
| set_bit(__QLCNIC_DEV_UP, &adapter->state); |
| return 0; |
| } |
| |
| static void qlcnic_83xx_diag_free_res(struct net_device *netdev, |
| u8 drv_sds_rings) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_host_sds_ring *sds_ring; |
| int ring; |
| |
| clear_bit(__QLCNIC_DEV_UP, &adapter->state); |
| if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { |
| for (ring = 0; ring < adapter->drv_sds_rings; ring++) { |
| sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| qlcnic_disable_sds_intr(adapter, sds_ring); |
| } |
| } |
| |
| qlcnic_fw_destroy_ctx(adapter); |
| qlcnic_detach(adapter); |
| |
| adapter->ahw->diag_test = 0; |
| adapter->drv_sds_rings = drv_sds_rings; |
| |
| if (qlcnic_attach(adapter)) |
| goto out; |
| |
| if (netif_running(netdev)) |
| __qlcnic_up(adapter, netdev); |
| |
| out: |
| netif_device_attach(netdev); |
| } |
| |
| static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_cmd_args cmd; |
| u8 beacon_state; |
| int err = 0; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG); |
| if (!err) { |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (!err) { |
| beacon_state = cmd.rsp.arg[4]; |
| if (beacon_state == QLCNIC_BEACON_DISABLE) |
| ahw->beacon_state = QLC_83XX_BEACON_OFF; |
| else if (beacon_state == QLC_83XX_ENABLE_BEACON) |
| ahw->beacon_state = QLC_83XX_BEACON_ON; |
| } |
| } else { |
| netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n", |
| err); |
| } |
| |
| qlcnic_free_mbx_args(&cmd); |
| |
| return; |
| } |
| |
| int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state, |
| u32 beacon) |
| { |
| struct qlcnic_cmd_args cmd; |
| u32 mbx_in; |
| int i, status = 0; |
| |
| if (state) { |
| /* Get LED configuration */ |
| status = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_GET_LED_CONFIG); |
| if (status) |
| return status; |
| |
| status = qlcnic_issue_cmd(adapter, &cmd); |
| if (status) { |
| dev_err(&adapter->pdev->dev, |
| "Get led config failed.\n"); |
| goto mbx_err; |
| } else { |
| for (i = 0; i < 4; i++) |
| adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1]; |
| } |
| qlcnic_free_mbx_args(&cmd); |
| /* Set LED Configuration */ |
| mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) | |
| LSW(QLC_83XX_LED_CONFIG); |
| status = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_SET_LED_CONFIG); |
| if (status) |
| return status; |
| |
| cmd.req.arg[1] = mbx_in; |
| cmd.req.arg[2] = mbx_in; |
| cmd.req.arg[3] = mbx_in; |
| if (beacon) |
| cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON; |
| status = qlcnic_issue_cmd(adapter, &cmd); |
| if (status) { |
| dev_err(&adapter->pdev->dev, |
| "Set led config failed.\n"); |
| } |
| mbx_err: |
| qlcnic_free_mbx_args(&cmd); |
| return status; |
| |
| } else { |
| /* Restoring default LED configuration */ |
| status = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_SET_LED_CONFIG); |
| if (status) |
| return status; |
| |
| cmd.req.arg[1] = adapter->ahw->mbox_reg[0]; |
| cmd.req.arg[2] = adapter->ahw->mbox_reg[1]; |
| cmd.req.arg[3] = adapter->ahw->mbox_reg[2]; |
| if (beacon) |
| cmd.req.arg[4] = adapter->ahw->mbox_reg[3]; |
| status = qlcnic_issue_cmd(adapter, &cmd); |
| if (status) |
| dev_err(&adapter->pdev->dev, |
| "Restoring led config failed.\n"); |
| qlcnic_free_mbx_args(&cmd); |
| return status; |
| } |
| } |
| |
| int qlcnic_83xx_set_led(struct net_device *netdev, |
| enum ethtool_phys_id_state state) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| int err = -EIO, active = 1; |
| |
| if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { |
| netdev_warn(netdev, |
| "LED test is not supported in non-privileged mode\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| switch (state) { |
| case ETHTOOL_ID_ACTIVE: |
| if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) |
| return -EBUSY; |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| break; |
| |
| err = qlcnic_83xx_config_led(adapter, active, 0); |
| if (err) |
| netdev_err(netdev, "Failed to set LED blink state\n"); |
| break; |
| case ETHTOOL_ID_INACTIVE: |
| active = 0; |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| break; |
| |
| err = qlcnic_83xx_config_led(adapter, active, 0); |
| if (err) |
| netdev_err(netdev, "Failed to reset LED blink state\n"); |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| |
| if (!active || err) |
| clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); |
| |
| return err; |
| } |
| |
| void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable) |
| { |
| struct qlcnic_cmd_args cmd; |
| int status; |
| |
| if (qlcnic_sriov_vf_check(adapter)) |
| return; |
| |
| if (enable) |
| status = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_INIT_NIC_FUNC); |
| else |
| status = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_STOP_NIC_FUNC); |
| |
| if (status) |
| return; |
| |
| cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES; |
| |
| if (adapter->dcb) |
| cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN; |
| |
| status = qlcnic_issue_cmd(adapter, &cmd); |
| if (status) |
| dev_err(&adapter->pdev->dev, |
| "Failed to %s in NIC IDC function event.\n", |
| (enable ? "register" : "unregister")); |
| |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_cmd_args cmd; |
| int err; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG); |
| if (err) |
| return err; |
| |
| cmd.req.arg[1] = adapter->ahw->port_config; |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_info(&adapter->pdev->dev, "Set Port Config failed.\n"); |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_cmd_args cmd; |
| int err; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG); |
| if (err) |
| return err; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_info(&adapter->pdev->dev, "Get Port config failed\n"); |
| else |
| adapter->ahw->port_config = cmd.rsp.arg[1]; |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable) |
| { |
| int err; |
| u32 temp; |
| struct qlcnic_cmd_args cmd; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT); |
| if (err) |
| return err; |
| |
| temp = adapter->recv_ctx->context_id << 16; |
| cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp; |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_info(&adapter->pdev->dev, |
| "Setup linkevent mailbox failed\n"); |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter, |
| u32 *interface_id) |
| { |
| if (qlcnic_sriov_pf_check(adapter)) { |
| qlcnic_alloc_lb_filters_mem(adapter); |
| qlcnic_pf_set_interface_id_promisc(adapter, interface_id); |
| adapter->rx_mac_learn = true; |
| } else { |
| if (!qlcnic_sriov_vf_check(adapter)) |
| *interface_id = adapter->recv_ctx->context_id << 16; |
| } |
| } |
| |
| int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) |
| { |
| struct qlcnic_cmd_args *cmd = NULL; |
| u32 temp = 0; |
| int err; |
| |
| if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) |
| return -EIO; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); |
| if (!cmd) |
| return -ENOMEM; |
| |
| err = qlcnic_alloc_mbx_args(cmd, adapter, |
| QLCNIC_CMD_CONFIGURE_MAC_RX_MODE); |
| if (err) |
| goto out; |
| |
| cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; |
| qlcnic_83xx_set_interface_id_promisc(adapter, &temp); |
| |
| if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter)) |
| mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| |
| cmd->req.arg[1] = mode | temp; |
| err = qlcnic_issue_cmd(adapter, cmd); |
| if (!err) |
| return err; |
| |
| qlcnic_free_mbx_args(cmd); |
| |
| out: |
| kfree(cmd); |
| return err; |
| } |
| |
| int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u8 drv_sds_rings = adapter->drv_sds_rings; |
| u8 drv_tx_rings = adapter->drv_tx_rings; |
| int ret = 0, loop = 0; |
| |
| if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { |
| netdev_warn(netdev, |
| "Loopback test not supported in non privileged mode\n"); |
| return -ENOTSUPP; |
| } |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { |
| netdev_info(netdev, "Device is resetting\n"); |
| return -EBUSY; |
| } |
| |
| if (qlcnic_get_diag_lock(adapter)) { |
| netdev_info(netdev, "Device is in diagnostics mode\n"); |
| return -EBUSY; |
| } |
| |
| netdev_info(netdev, "%s loopback test in progress\n", |
| mode == QLCNIC_ILB_MODE ? "internal" : "external"); |
| |
| ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST, |
| drv_sds_rings); |
| if (ret) |
| goto fail_diag_alloc; |
| |
| ret = qlcnic_83xx_set_lb_mode(adapter, mode); |
| if (ret) |
| goto free_diag_res; |
| |
| /* Poll for link up event before running traffic */ |
| do { |
| msleep(QLC_83XX_LB_MSLEEP_COUNT); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { |
| netdev_info(netdev, |
| "Device is resetting, free LB test resources\n"); |
| ret = -EBUSY; |
| goto free_diag_res; |
| } |
| if (loop++ > QLC_83XX_LB_WAIT_COUNT) { |
| netdev_info(netdev, |
| "Firmware didn't sent link up event to loopback request\n"); |
| ret = -ETIMEDOUT; |
| qlcnic_83xx_clear_lb_mode(adapter, mode); |
| goto free_diag_res; |
| } |
| } while ((adapter->ahw->linkup && ahw->has_link_events) != 1); |
| |
| ret = qlcnic_do_lb_test(adapter, mode); |
| |
| qlcnic_83xx_clear_lb_mode(adapter, mode); |
| |
| free_diag_res: |
| qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); |
| |
| fail_diag_alloc: |
| adapter->drv_sds_rings = drv_sds_rings; |
| adapter->drv_tx_rings = drv_tx_rings; |
| qlcnic_release_diag_lock(adapter); |
| return ret; |
| } |
| |
| static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter, |
| u32 *max_wait_count) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int temp; |
| |
| netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n", |
| ahw->extend_lb_time); |
| temp = ahw->extend_lb_time * 1000; |
| *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT; |
| ahw->extend_lb_time = 0; |
| } |
| |
| static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct net_device *netdev = adapter->netdev; |
| u32 config, max_wait_count; |
| int status = 0, loop = 0; |
| |
| ahw->extend_lb_time = 0; |
| max_wait_count = QLC_83XX_LB_WAIT_COUNT; |
| status = qlcnic_83xx_get_port_config(adapter); |
| if (status) |
| return status; |
| |
| config = ahw->port_config; |
| |
| /* Check if port is already in loopback mode */ |
| if ((config & QLC_83XX_CFG_LOOPBACK_HSS) || |
| (config & QLC_83XX_CFG_LOOPBACK_EXT)) { |
| netdev_err(netdev, |
| "Port already in Loopback mode.\n"); |
| return -EINPROGRESS; |
| } |
| |
| set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| |
| if (mode == QLCNIC_ILB_MODE) |
| ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS; |
| if (mode == QLCNIC_ELB_MODE) |
| ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT; |
| |
| status = qlcnic_83xx_set_port_config(adapter); |
| if (status) { |
| netdev_err(netdev, |
| "Failed to Set Loopback Mode = 0x%x.\n", |
| ahw->port_config); |
| ahw->port_config = config; |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| return status; |
| } |
| |
| /* Wait for Link and IDC Completion AEN */ |
| do { |
| msleep(QLC_83XX_LB_MSLEEP_COUNT); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { |
| netdev_info(netdev, |
| "Device is resetting, free LB test resources\n"); |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| return -EBUSY; |
| } |
| |
| if (ahw->extend_lb_time) |
| qlcnic_extend_lb_idc_cmpltn_wait(adapter, |
| &max_wait_count); |
| |
| if (loop++ > max_wait_count) { |
| netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", |
| __func__); |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| qlcnic_83xx_clear_lb_mode(adapter, mode); |
| return -ETIMEDOUT; |
| } |
| } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); |
| |
| qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, |
| QLCNIC_MAC_ADD); |
| return status; |
| } |
| |
| static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u32 config = ahw->port_config, max_wait_count; |
| struct net_device *netdev = adapter->netdev; |
| int status = 0, loop = 0; |
| |
| ahw->extend_lb_time = 0; |
| max_wait_count = QLC_83XX_LB_WAIT_COUNT; |
| set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| if (mode == QLCNIC_ILB_MODE) |
| ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS; |
| if (mode == QLCNIC_ELB_MODE) |
| ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT; |
| |
| status = qlcnic_83xx_set_port_config(adapter); |
| if (status) { |
| netdev_err(netdev, |
| "Failed to Clear Loopback Mode = 0x%x.\n", |
| ahw->port_config); |
| ahw->port_config = config; |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| return status; |
| } |
| |
| /* Wait for Link and IDC Completion AEN */ |
| do { |
| msleep(QLC_83XX_LB_MSLEEP_COUNT); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { |
| netdev_info(netdev, |
| "Device is resetting, free LB test resources\n"); |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| return -EBUSY; |
| } |
| |
| if (ahw->extend_lb_time) |
| qlcnic_extend_lb_idc_cmpltn_wait(adapter, |
| &max_wait_count); |
| |
| if (loop++ > max_wait_count) { |
| netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", |
| __func__); |
| clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); |
| return -ETIMEDOUT; |
| } |
| } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); |
| |
| qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, |
| QLCNIC_MAC_DEL); |
| return status; |
| } |
| |
| static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, |
| u32 *interface_id) |
| { |
| if (qlcnic_sriov_pf_check(adapter)) { |
| qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id); |
| } else { |
| if (!qlcnic_sriov_vf_check(adapter)) |
| *interface_id = adapter->recv_ctx->context_id << 16; |
| } |
| } |
| |
| void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, |
| int mode) |
| { |
| int err; |
| u32 temp = 0, temp_ip; |
| struct qlcnic_cmd_args cmd; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_CONFIGURE_IP_ADDR); |
| if (err) |
| return; |
| |
| qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp); |
| |
| if (mode == QLCNIC_IP_UP) |
| cmd.req.arg[1] = 1 | temp; |
| else |
| cmd.req.arg[1] = 2 | temp; |
| |
| /* |
| * Adapter needs IP address in network byte order. |
| * But hardware mailbox registers go through writel(), hence IP address |
| * gets swapped on big endian architecture. |
| * To negate swapping of writel() on big endian architecture |
| * use swab32(value). |
| */ |
| |
| temp_ip = swab32(ntohl(ip)); |
| memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32)); |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err != QLCNIC_RCODE_SUCCESS) |
| dev_err(&adapter->netdev->dev, |
| "could not notify %s IP 0x%x request\n", |
| (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip); |
| |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode) |
| { |
| int err; |
| u32 temp, arg1; |
| struct qlcnic_cmd_args cmd; |
| int lro_bit_mask; |
| |
| lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0); |
| |
| if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) |
| return 0; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO); |
| if (err) |
| return err; |
| |
| temp = adapter->recv_ctx->context_id << 16; |
| arg1 = lro_bit_mask | temp; |
| cmd.req.arg[1] = arg1; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_info(&adapter->pdev->dev, "LRO config failed\n"); |
| qlcnic_free_mbx_args(&cmd); |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable) |
| { |
| int err; |
| u32 word; |
| struct qlcnic_cmd_args cmd; |
| const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, |
| 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, |
| 0x255b0ec26d5a56daULL }; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS); |
| if (err) |
| return err; |
| /* |
| * RSS request: |
| * bits 3-0: Rsvd |
| * 5-4: hash_type_ipv4 |
| * 7-6: hash_type_ipv6 |
| * 8: enable |
| * 9: use indirection table |
| * 16-31: indirection table mask |
| */ |
| word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | |
| ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | |
| ((u32)(enable & 0x1) << 8) | |
| ((0x7ULL) << 16); |
| cmd.req.arg[1] = (adapter->recv_ctx->context_id); |
| cmd.req.arg[2] = word; |
| memcpy(&cmd.req.arg[4], key, sizeof(key)); |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| |
| if (err) |
| dev_info(&adapter->pdev->dev, "RSS config failed\n"); |
| qlcnic_free_mbx_args(&cmd); |
| |
| return err; |
| |
| } |
| |
| static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter, |
| u32 *interface_id) |
| { |
| if (qlcnic_sriov_pf_check(adapter)) { |
| qlcnic_pf_set_interface_id_macaddr(adapter, interface_id); |
| } else { |
| if (!qlcnic_sriov_vf_check(adapter)) |
| *interface_id = adapter->recv_ctx->context_id << 16; |
| } |
| } |
| |
| int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, |
| u16 vlan_id, u8 op) |
| { |
| struct qlcnic_cmd_args *cmd = NULL; |
| struct qlcnic_macvlan_mbx mv; |
| u32 *buf, temp = 0; |
| int err; |
| |
| if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) |
| return -EIO; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); |
| if (!cmd) |
| return -ENOMEM; |
| |
| err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN); |
| if (err) |
| goto out; |
| |
| cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; |
| |
| if (vlan_id) |
| op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? |
| QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL; |
| |
| cmd->req.arg[1] = op | (1 << 8); |
| qlcnic_83xx_set_interface_id_macaddr(adapter, &temp); |
| cmd->req.arg[1] |= temp; |
| mv.vlan = vlan_id; |
| mv.mac_addr0 = addr[0]; |
| mv.mac_addr1 = addr[1]; |
| mv.mac_addr2 = addr[2]; |
| mv.mac_addr3 = addr[3]; |
| mv.mac_addr4 = addr[4]; |
| mv.mac_addr5 = addr[5]; |
| buf = &cmd->req.arg[2]; |
| memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx)); |
| err = qlcnic_issue_cmd(adapter, cmd); |
| if (!err) |
| return err; |
| |
| qlcnic_free_mbx_args(cmd); |
| out: |
| kfree(cmd); |
| return err; |
| } |
| |
| void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr, |
| u16 vlan_id, |
| struct qlcnic_host_tx_ring *tx_ring) |
| { |
| u8 mac[ETH_ALEN]; |
| memcpy(&mac, addr, ETH_ALEN); |
| qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD); |
| } |
| |
| static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac, |
| u8 type, struct qlcnic_cmd_args *cmd) |
| { |
| switch (type) { |
| case QLCNIC_SET_STATION_MAC: |
| case QLCNIC_SET_FAC_DEF_MAC: |
| memcpy(&cmd->req.arg[2], mac, sizeof(u32)); |
| memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16)); |
| break; |
| } |
| cmd->req.arg[1] = type; |
| } |
| |
| int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, |
| u8 function) |
| { |
| int err, i; |
| struct qlcnic_cmd_args cmd; |
| u32 mac_low, mac_high; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS); |
| if (err) |
| return err; |
| |
| qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd); |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| |
| if (err == QLCNIC_RCODE_SUCCESS) { |
| mac_low = cmd.rsp.arg[1]; |
| mac_high = cmd.rsp.arg[2]; |
| |
| for (i = 0; i < 2; i++) |
| mac[i] = (u8) (mac_high >> ((1 - i) * 8)); |
| for (i = 2; i < 6; i++) |
| mac[i] = (u8) (mac_low >> ((5 - i) * 8)); |
| } else { |
| dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n", |
| err); |
| err = -EIO; |
| } |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; |
| struct qlcnic_cmd_args cmd; |
| u16 temp; |
| int err; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); |
| if (err) |
| return err; |
| |
| temp = adapter->recv_ctx->context_id; |
| cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16; |
| temp = coal->rx_time_us; |
| cmd.req.arg[2] = coal->rx_packets | temp << 16; |
| cmd.req.arg[3] = coal->flag; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err != QLCNIC_RCODE_SUCCESS) |
| netdev_err(adapter->netdev, |
| "failed to set interrupt coalescing parameters\n"); |
| |
| qlcnic_free_mbx_args(&cmd); |
| |
| return err; |
| } |
| |
| static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; |
| struct qlcnic_cmd_args cmd; |
| u16 temp; |
| int err; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); |
| if (err) |
| return err; |
| |
| temp = adapter->tx_ring->ctx_id; |
| cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16; |
| temp = coal->tx_time_us; |
| cmd.req.arg[2] = coal->tx_packets | temp << 16; |
| cmd.req.arg[3] = coal->flag; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err != QLCNIC_RCODE_SUCCESS) |
| netdev_err(adapter->netdev, |
| "failed to set interrupt coalescing parameters\n"); |
| |
| qlcnic_free_mbx_args(&cmd); |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter) |
| { |
| int err = 0; |
| |
| err = qlcnic_83xx_set_rx_intr_coal(adapter); |
| if (err) |
| netdev_err(adapter->netdev, |
| "failed to set Rx coalescing parameters\n"); |
| |
| err = qlcnic_83xx_set_tx_intr_coal(adapter); |
| if (err) |
| netdev_err(adapter->netdev, |
| "failed to set Tx coalescing parameters\n"); |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter, |
| struct ethtool_coalesce *ethcoal) |
| { |
| struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; |
| u32 rx_coalesce_usecs, rx_max_frames; |
| u32 tx_coalesce_usecs, tx_max_frames; |
| int err; |
| |
| if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) |
| return -EIO; |
| |
| tx_coalesce_usecs = ethcoal->tx_coalesce_usecs; |
| tx_max_frames = ethcoal->tx_max_coalesced_frames; |
| rx_coalesce_usecs = ethcoal->rx_coalesce_usecs; |
| rx_max_frames = ethcoal->rx_max_coalesced_frames; |
| coal->flag = QLCNIC_INTR_DEFAULT; |
| |
| if ((coal->rx_time_us == rx_coalesce_usecs) && |
| (coal->rx_packets == rx_max_frames)) { |
| coal->type = QLCNIC_INTR_COAL_TYPE_TX; |
| coal->tx_time_us = tx_coalesce_usecs; |
| coal->tx_packets = tx_max_frames; |
| } else if ((coal->tx_time_us == tx_coalesce_usecs) && |
| (coal->tx_packets == tx_max_frames)) { |
| coal->type = QLCNIC_INTR_COAL_TYPE_RX; |
| coal->rx_time_us = rx_coalesce_usecs; |
| coal->rx_packets = rx_max_frames; |
| } else { |
| coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX; |
| coal->rx_time_us = rx_coalesce_usecs; |
| coal->rx_packets = rx_max_frames; |
| coal->tx_time_us = tx_coalesce_usecs; |
| coal->tx_packets = tx_max_frames; |
| } |
| |
| switch (coal->type) { |
| case QLCNIC_INTR_COAL_TYPE_RX: |
| err = qlcnic_83xx_set_rx_intr_coal(adapter); |
| break; |
| case QLCNIC_INTR_COAL_TYPE_TX: |
| err = qlcnic_83xx_set_tx_intr_coal(adapter); |
| break; |
| case QLCNIC_INTR_COAL_TYPE_RX_TX: |
| err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); |
| break; |
| default: |
| err = -EINVAL; |
| netdev_err(adapter->netdev, |
| "Invalid Interrupt coalescing type\n"); |
| break; |
| } |
| |
| return err; |
| } |
| |
| static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, |
| u32 data[]) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u8 link_status, duplex; |
| /* link speed */ |
| link_status = LSB(data[3]) & 1; |
| if (link_status) { |
| ahw->link_speed = MSW(data[2]); |
| duplex = LSB(MSW(data[3])); |
| if (duplex) |
| ahw->link_duplex = DUPLEX_FULL; |
| else |
| ahw->link_duplex = DUPLEX_HALF; |
| } else { |
| ahw->link_speed = SPEED_UNKNOWN; |
| ahw->link_duplex = DUPLEX_UNKNOWN; |
| } |
| |
| ahw->link_autoneg = MSB(MSW(data[3])); |
| ahw->module_type = MSB(LSW(data[3])); |
| ahw->has_link_events = 1; |
| ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK; |
| qlcnic_advert_link_change(adapter, link_status); |
| } |
| |
| static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data) |
| { |
| u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; |
| struct qlcnic_adapter *adapter = data; |
| struct qlcnic_mailbox *mbx; |
| unsigned long flags; |
| |
| mbx = adapter->ahw->mailbox; |
| spin_lock_irqsave(&mbx->aen_lock, flags); |
| resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); |
| if (!(resp & QLCNIC_SET_OWNER)) |
| goto out; |
| |
| event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); |
| if (event & QLCNIC_MBX_ASYNC_EVENT) { |
| __qlcnic_83xx_process_aen(adapter); |
| } else { |
| if (mbx->rsp_status != rsp_status) |
| qlcnic_83xx_notify_mbx_response(mbx); |
| else |
| adapter->stats.mbx_spurious_intr++; |
| } |
| |
| out: |
| mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); |
| writel(0, adapter->ahw->pci_base0 + mask); |
| spin_unlock_irqrestore(&mbx->aen_lock, flags); |
| return IRQ_HANDLED; |
| } |
| |
| int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter, |
| struct qlcnic_info *nic) |
| { |
| int i, err = -EIO; |
| struct qlcnic_cmd_args cmd; |
| |
| if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Error, invoked by non management func\n", |
| __func__); |
| return err; |
| } |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); |
| if (err) |
| return err; |
| |
| cmd.req.arg[1] = (nic->pci_func << 16); |
| cmd.req.arg[2] = 0x1 << 16; |
| cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16); |
| cmd.req.arg[4] = nic->capabilities; |
| cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16); |
| cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16); |
| cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16); |
| for (i = 8; i < 32; i++) |
| cmd.req.arg[i] = 0; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| |
| if (err != QLCNIC_RCODE_SUCCESS) { |
| dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n", |
| err); |
| err = -EIO; |
| } |
| |
| qlcnic_free_mbx_args(&cmd); |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter, |
| struct qlcnic_info *npar_info, u8 func_id) |
| { |
| int err; |
| u32 temp; |
| u8 op = 0; |
| struct qlcnic_cmd_args cmd; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); |
| if (err) |
| return err; |
| |
| if (func_id != ahw->pci_func) { |
| temp = func_id << 16; |
| cmd.req.arg[1] = op | BIT_31 | temp; |
| } else { |
| cmd.req.arg[1] = ahw->pci_func << 16; |
| } |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) { |
| dev_info(&adapter->pdev->dev, |
| "Failed to get nic info %d\n", err); |
| goto out; |
| } |
| |
| npar_info->op_type = cmd.rsp.arg[1]; |
| npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF; |
| npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16; |
| npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF; |
| npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16; |
| npar_info->capabilities = cmd.rsp.arg[4]; |
| npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF; |
| npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16; |
| npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF; |
| npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16; |
| npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF; |
| npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16; |
| if (cmd.rsp.arg[8] & 0x1) |
| npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1; |
| if (cmd.rsp.arg[8] & 0x10000) { |
| temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17; |
| npar_info->max_linkspeed_reg_offset = temp; |
| } |
| |
| memcpy(ahw->extra_capability, &cmd.rsp.arg[16], |
| sizeof(ahw->extra_capability)); |
| |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type, |
| u16 *nic, u16 *fcoe, u16 *iscsi) |
| { |
| struct device *dev = &adapter->pdev->dev; |
| int err = 0; |
| |
| switch (type) { |
| case QLCNIC_TYPE_NIC: |
| (*nic)++; |
| break; |
| case QLCNIC_TYPE_FCOE: |
| (*fcoe)++; |
| break; |
| case QLCNIC_TYPE_ISCSI: |
| (*iscsi)++; |
| break; |
| default: |
| dev_err(dev, "%s: Unknown PCI type[%x]\n", |
| __func__, type); |
| err = -EIO; |
| } |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, |
| struct qlcnic_pci_info *pci_info) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct device *dev = &adapter->pdev->dev; |
| u16 nic = 0, fcoe = 0, iscsi = 0; |
| struct qlcnic_cmd_args cmd; |
| int i, err = 0, j = 0; |
| u32 temp; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO); |
| if (err) |
| return err; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| |
| ahw->total_nic_func = 0; |
| if (err == QLCNIC_RCODE_SUCCESS) { |
| ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF; |
| for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) { |
| pci_info->id = cmd.rsp.arg[i] & 0xFFFF; |
| pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; |
| i++; |
| if (!pci_info->active) { |
| i += QLC_SKIP_INACTIVE_PCI_REGS; |
| continue; |
| } |
| pci_info->type = cmd.rsp.arg[i] & 0xFFFF; |
| err = qlcnic_get_pci_func_type(adapter, pci_info->type, |
| &nic, &fcoe, &iscsi); |
| temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; |
| pci_info->default_port = temp; |
| i++; |
| pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF; |
| temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; |
| pci_info->tx_max_bw = temp; |
| i = i + 2; |
| memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2); |
| i++; |
| memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2); |
| i = i + 3; |
| } |
| } else { |
| dev_err(dev, "Failed to get PCI Info, error = %d\n", err); |
| err = -EIO; |
| } |
| |
| ahw->total_nic_func = nic; |
| ahw->total_pci_func = nic + fcoe + iscsi; |
| if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { |
| dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", |
| __func__, ahw->total_nic_func, ahw->total_pci_func); |
| err = -EIO; |
| } |
| qlcnic_free_mbx_args(&cmd); |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type) |
| { |
| int i, index, err; |
| u8 max_ints; |
| u32 val, temp, type; |
| struct qlcnic_cmd_args cmd; |
| |
| max_ints = adapter->ahw->num_msix - 1; |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT); |
| if (err) |
| return err; |
| |
| cmd.req.arg[1] = max_ints; |
| |
| if (qlcnic_sriov_vf_check(adapter)) |
| cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16; |
| |
| for (i = 0, index = 2; i < max_ints; i++) { |
| type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; |
| val = type | (adapter->ahw->intr_tbl[i].type << 4); |
| if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) |
| val |= (adapter->ahw->intr_tbl[i].id << 16); |
| cmd.req.arg[index++] = val; |
| } |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "Failed to configure interrupts 0x%x\n", err); |
| goto out; |
| } |
| |
| max_ints = cmd.rsp.arg[1]; |
| for (i = 0, index = 2; i < max_ints; i++, index += 2) { |
| val = cmd.rsp.arg[index]; |
| if (LSB(val)) { |
| dev_info(&adapter->pdev->dev, |
| "Can't configure interrupt %d\n", |
| adapter->ahw->intr_tbl[i].id); |
| continue; |
| } |
| if (op_type) { |
| adapter->ahw->intr_tbl[i].id = MSW(val); |
| adapter->ahw->intr_tbl[i].enabled = 1; |
| temp = cmd.rsp.arg[index + 1]; |
| adapter->ahw->intr_tbl[i].src = temp; |
| } else { |
| adapter->ahw->intr_tbl[i].id = i; |
| adapter->ahw->intr_tbl[i].enabled = 0; |
| adapter->ahw->intr_tbl[i].src = 0; |
| } |
| } |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| return err; |
| } |
| |
| int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter) |
| { |
| int id, timeout = 0; |
| u32 status = 0; |
| |
| while (status == 0) { |
| status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK); |
| if (status) |
| break; |
| |
| if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) { |
| id = QLC_SHARED_REG_RD32(adapter, |
| QLCNIC_FLASH_LOCK_OWNER); |
| dev_err(&adapter->pdev->dev, |
| "%s: failed, lock held by %d\n", __func__, id); |
| return -EIO; |
| } |
| usleep_range(1000, 2000); |
| } |
| |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum); |
| return 0; |
| } |
| |
| void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter) |
| { |
| QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF); |
| } |
| |
| int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, |
| u32 flash_addr, u8 *p_data, |
| int count) |
| { |
| u32 word, range, flash_offset, addr = flash_addr, ret; |
| ulong indirect_add, direct_window; |
| int i, err = 0; |
| |
| flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1); |
| if (addr & 0x3) { |
| dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); |
| return -EIO; |
| } |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW, |
| (addr & 0xFFFF0000)); |
| |
| range = flash_offset + (count * sizeof(u32)); |
| /* Check if data is spread across multiple sectors */ |
| if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { |
| |
| /* Multi sector read */ |
| for (i = 0; i < count; i++) { |
| indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); |
| ret = QLCRD32(adapter, indirect_add, &err); |
| if (err == -EIO) |
| return err; |
| |
| word = ret; |
| *(u32 *)p_data = word; |
| p_data = p_data + 4; |
| addr = addr + 4; |
| flash_offset = flash_offset + 4; |
| |
| if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { |
| direct_window = QLC_83XX_FLASH_DIRECT_WINDOW; |
| /* This write is needed once for each sector */ |
| qlcnic_83xx_wrt_reg_indirect(adapter, |
| direct_window, |
| (addr)); |
| flash_offset = 0; |
| } |
| } |
| } else { |
| /* Single sector read */ |
| for (i = 0; i < count; i++) { |
| indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); |
| ret = QLCRD32(adapter, indirect_add, &err); |
| if (err == -EIO) |
| return err; |
| |
| word = ret; |
| *(u32 *)p_data = word; |
| p_data = p_data + 4; |
| addr = addr + 4; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter) |
| { |
| u32 status; |
| int retries = QLC_83XX_FLASH_READ_RETRY_COUNT; |
| int err = 0; |
| |
| do { |
| status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err); |
| if (err == -EIO) |
| return err; |
| |
| if ((status & QLC_83XX_FLASH_STATUS_READY) == |
| QLC_83XX_FLASH_STATUS_READY) |
| break; |
| |
| usleep_range(1000, 1100); |
| } while (--retries); |
| |
| if (!retries) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter) |
| { |
| int ret; |
| u32 cmd; |
| cmd = adapter->ahw->fdt.write_statusreg_cmd; |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd)); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, |
| adapter->ahw->fdt.write_enable_bits); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter) |
| { |
| int ret; |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | |
| adapter->ahw->fdt.write_statusreg_cmd)); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, |
| adapter->ahw->fdt.write_disable_bits); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) |
| { |
| int ret, err = 0; |
| u32 mfg_id; |
| |
| if (qlcnic_83xx_lock_flash(adapter)) |
| return -EIO; |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_READ_CTRL); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| qlcnic_83xx_unlock_flash(adapter); |
| return -EIO; |
| } |
| |
| mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); |
| if (err == -EIO) { |
| qlcnic_83xx_unlock_flash(adapter); |
| return err; |
| } |
| |
| adapter->flash_mfg_id = (mfg_id & 0xFF); |
| qlcnic_83xx_unlock_flash(adapter); |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter) |
| { |
| int count, fdt_size, ret = 0; |
| |
| fdt_size = sizeof(struct qlcnic_fdt); |
| count = fdt_size / sizeof(u32); |
| |
| if (qlcnic_83xx_lock_flash(adapter)) |
| return -EIO; |
| |
| memset(&adapter->ahw->fdt, 0, fdt_size); |
| ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION, |
| (u8 *)&adapter->ahw->fdt, |
| count); |
| qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count); |
| qlcnic_83xx_unlock_flash(adapter); |
| return ret; |
| } |
| |
| int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter, |
| u32 sector_start_addr) |
| { |
| u32 reversed_addr, addr1, addr2, cmd; |
| int ret = -EIO; |
| |
| if (qlcnic_83xx_lock_flash(adapter) != 0) |
| return -EIO; |
| |
| if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { |
| ret = qlcnic_83xx_enable_flash_write(adapter); |
| if (ret) { |
| qlcnic_83xx_unlock_flash(adapter); |
| dev_err(&adapter->pdev->dev, |
| "%s failed at %d\n", |
| __func__, __LINE__); |
| return ret; |
| } |
| } |
| |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| qlcnic_83xx_unlock_flash(adapter); |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return -EIO; |
| } |
| |
| addr1 = (sector_start_addr & 0xFF) << 16; |
| addr2 = (sector_start_addr & 0xFF0000) >> 16; |
| reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00); |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, |
| reversed_addr); |
| cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd; |
| if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd); |
| else |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| QLC_83XX_FLASH_OEM_ERASE_SIG); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_LAST_ERASE_MS_VAL); |
| |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| qlcnic_83xx_unlock_flash(adapter); |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return -EIO; |
| } |
| |
| if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { |
| ret = qlcnic_83xx_disable_flash_write(adapter); |
| if (ret) { |
| qlcnic_83xx_unlock_flash(adapter); |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return ret; |
| } |
| } |
| |
| qlcnic_83xx_unlock_flash(adapter); |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr, |
| u32 *p_data) |
| { |
| int ret = -EIO; |
| u32 addr1 = 0x00800000 | (addr >> 2); |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_LAST_ERASE_MS_VAL); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, |
| u32 *p_data, int count) |
| { |
| u32 temp; |
| int ret = -EIO, err = 0; |
| |
| if ((count < QLC_83XX_FLASH_WRITE_MIN) || |
| (count > QLC_83XX_FLASH_WRITE_MAX)) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Invalid word count\n", __func__); |
| return -EIO; |
| } |
| |
| temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); |
| if (err == -EIO) |
| return err; |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, |
| (temp | QLC_83XX_FLASH_SPI_CTRL)); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| QLC_83XX_FLASH_ADDR_TEMP_VAL); |
| |
| /* First DWORD write */ |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_FIRST_MS_PATTERN); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return -EIO; |
| } |
| |
| count--; |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL); |
| /* Second to N-1 DWORD writes */ |
| while (count != 1) { |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, |
| *p_data++); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_SECOND_MS_PATTERN); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return -EIO; |
| } |
| count--; |
| } |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| QLC_83XX_FLASH_ADDR_TEMP_VAL | |
| (addr >> 2)); |
| /* Last DWORD write */ |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_LAST_MS_PATTERN); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed at %d\n", __func__, __LINE__); |
| return -EIO; |
| } |
| |
| ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err); |
| if (err == -EIO) |
| return err; |
| |
| if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) { |
| dev_err(&adapter->pdev->dev, "%s: failed at %d\n", |
| __func__, __LINE__); |
| /* Operation failed, clear error bit */ |
| temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); |
| if (err == -EIO) |
| return err; |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, |
| QLC_83XX_FLASH_SPI_CONTROL, |
| (temp | QLC_83XX_FLASH_SPI_CTRL)); |
| } |
| |
| return 0; |
| } |
| |
| static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter) |
| { |
| u32 val, id; |
| |
| val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); |
| |
| /* Check if recovery need to be performed by the calling function */ |
| if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) { |
| val = val & ~0x3F; |
| val = val | ((adapter->portnum << 2) | |
| QLC_83XX_NEED_DRV_LOCK_RECOVERY); |
| QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); |
| dev_info(&adapter->pdev->dev, |
| "%s: lock recovery initiated\n", __func__); |
| msleep(QLC_83XX_DRV_LOCK_RECOVERY_DELAY); |
| val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); |
| id = ((val >> 2) & 0xF); |
| if (id == adapter->portnum) { |
| val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK; |
| val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS; |
| QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); |
| /* Force release the lock */ |
| QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); |
| /* Clear recovery bits */ |
| val = val & ~0x3F; |
| QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); |
| dev_info(&adapter->pdev->dev, |
| "%s: lock recovery completed\n", __func__); |
| } else { |
| dev_info(&adapter->pdev->dev, |
| "%s: func %d to resume lock recovery process\n", |
| __func__, id); |
| } |
| } else { |
| dev_info(&adapter->pdev->dev, |
| "%s: lock recovery initiated by other functions\n", |
| __func__); |
| } |
| } |
| |
| int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter) |
| { |
| u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0; |
| int max_attempt = 0; |
| |
| while (status == 0) { |
| status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK); |
| if (status) |
| break; |
| |
| msleep(QLC_83XX_DRV_LOCK_WAIT_DELAY); |
| i++; |
| |
| if (i == 1) |
| temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); |
| |
| if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) { |
| val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); |
| if (val == temp) { |
| id = val & 0xFF; |
| dev_info(&adapter->pdev->dev, |
| "%s: lock to be recovered from %d\n", |
| __func__, id); |
| qlcnic_83xx_recover_driver_lock(adapter); |
| i = 0; |
| max_attempt++; |
| } else { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed to get lock\n", __func__); |
| return -EIO; |
| } |
| } |
| |
| /* Force exit from while loop after few attempts */ |
| if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) { |
| dev_err(&adapter->pdev->dev, |
| "%s: failed to get lock\n", __func__); |
| return -EIO; |
| } |
| } |
| |
| val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); |
| lock_alive_counter = val >> 8; |
| lock_alive_counter++; |
| val = lock_alive_counter << 8 | adapter->portnum; |
| QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); |
| |
| return 0; |
| } |
| |
| void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter) |
| { |
| u32 val, lock_alive_counter, id; |
| |
| val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); |
| id = val & 0xFF; |
| lock_alive_counter = val >> 8; |
| |
| if (id != adapter->portnum) |
| dev_err(&adapter->pdev->dev, |
| "%s:Warning func %d is unlocking lock owned by %d\n", |
| __func__, adapter->portnum, id); |
| |
| val = (lock_alive_counter << 8) | 0xFF; |
| QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); |
| QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); |
| } |
| |
| int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, |
| u32 *data, u32 count) |
| { |
| int i, j, ret = 0; |
| u32 temp; |
| |
| /* Check alignment */ |
| if (addr & 0xF) |
| return -EIO; |
| |
| mutex_lock(&adapter->ahw->mem_lock); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0); |
| |
| for (i = 0; i < count; i++, addr += 16) { |
| if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET, |
| QLCNIC_ADDR_QDR_NET_MAX)) || |
| (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET, |
| QLCNIC_ADDR_DDR_NET_MAX)))) { |
| mutex_unlock(&adapter->ahw->mem_lock); |
| return -EIO; |
| } |
| |
| qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE); |
| qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START); |
| |
| for (j = 0; j < MAX_CTL_CHECK; j++) { |
| temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL); |
| |
| if ((temp & TA_CTL_BUSY) == 0) |
| break; |
| } |
| |
| /* Status check failure */ |
| if (j >= MAX_CTL_CHECK) { |
| printk_ratelimited(KERN_WARNING |
| "MS memory write failed\n"); |
| mutex_unlock(&adapter->ahw->mem_lock); |
| return -EIO; |
| } |
| } |
| |
| mutex_unlock(&adapter->ahw->mem_lock); |
| |
| return ret; |
| } |
| |
| int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, |
| u8 *p_data, int count) |
| { |
| u32 word, addr = flash_addr, ret; |
| ulong indirect_addr; |
| int i, err = 0; |
| |
| if (qlcnic_83xx_lock_flash(adapter) != 0) |
| return -EIO; |
| |
| if (addr & 0x3) { |
| dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); |
| qlcnic_83xx_unlock_flash(adapter); |
| return -EIO; |
| } |
| |
| for (i = 0; i < count; i++) { |
| if (qlcnic_83xx_wrt_reg_indirect(adapter, |
| QLC_83XX_FLASH_DIRECT_WINDOW, |
| (addr))) { |
| qlcnic_83xx_unlock_flash(adapter); |
| return -EIO; |
| } |
| |
| indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr); |
| ret = QLCRD32(adapter, indirect_addr, &err); |
| if (err == -EIO) |
| return err; |
| |
| word = ret; |
| *(u32 *)p_data = word; |
| p_data = p_data + 4; |
| addr = addr + 4; |
| } |
| |
| qlcnic_83xx_unlock_flash(adapter); |
| |
| return 0; |
| } |
| |
| void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_cmd_args cmd; |
| u32 config; |
| int err; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); |
| if (err) |
| return; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) { |
| dev_info(&adapter->pdev->dev, |
| "Get Link Status Command failed: 0x%x\n", err); |
| goto out; |
| } else { |
| config = cmd.rsp.arg[3]; |
| |
| switch (QLC_83XX_SFP_MODULE_TYPE(config)) { |
| case QLC_83XX_MODULE_FIBRE_1000BASE_SX: |
| case QLC_83XX_MODULE_FIBRE_1000BASE_LX: |
| case QLC_83XX_MODULE_FIBRE_1000BASE_CX: |
| case QLC_83XX_MODULE_TP_1000BASE_T: |
| ahw->port_type = QLCNIC_GBE; |
| break; |
| default: |
| ahw->port_type = QLCNIC_XGBE; |
| } |
| } |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter) |
| { |
| u8 pci_func; |
| int err; |
| u32 config = 0, state; |
| struct qlcnic_cmd_args cmd; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| if (qlcnic_sriov_vf_check(adapter)) |
| pci_func = adapter->portnum; |
| else |
| pci_func = ahw->pci_func; |
| |
| state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func)); |
| if (!QLC_83xx_FUNC_VAL(state, pci_func)) { |
| dev_info(&adapter->pdev->dev, "link state down\n"); |
| return config; |
| } |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); |
| if (err) |
| return err; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) { |
| dev_info(&adapter->pdev->dev, |
| "Get Link Status Command failed: 0x%x\n", err); |
| goto out; |
| } else { |
| config = cmd.rsp.arg[1]; |
| switch (QLC_83XX_CURRENT_LINK_SPEED(config)) { |
| case QLC_83XX_10M_LINK: |
| ahw->link_speed = SPEED_10; |
| break; |
| case QLC_83XX_100M_LINK: |
| ahw->link_speed = SPEED_100; |
| break; |
| case QLC_83XX_1G_LINK: |
| ahw->link_speed = SPEED_1000; |
| break; |
| case QLC_83XX_10G_LINK: |
| ahw->link_speed = SPEED_10000; |
| break; |
| default: |
| ahw->link_speed = 0; |
| break; |
| } |
| config = cmd.rsp.arg[3]; |
| switch (QLC_83XX_SFP_MODULE_TYPE(config)) { |
| case QLC_83XX_MODULE_FIBRE_10GBASE_LRM: |
| case QLC_83XX_MODULE_FIBRE_10GBASE_LR: |
| case QLC_83XX_MODULE_FIBRE_10GBASE_SR: |
| ahw->supported_type = PORT_FIBRE; |
| ahw->port_type = QLCNIC_XGBE; |
| break; |
| case QLC_83XX_MODULE_FIBRE_1000BASE_SX: |
| case QLC_83XX_MODULE_FIBRE_1000BASE_LX: |
| case QLC_83XX_MODULE_FIBRE_1000BASE_CX: |
| ahw->supported_type = PORT_FIBRE; |
| ahw->port_type = QLCNIC_GBE; |
| break; |
| case QLC_83XX_MODULE_TP_1000BASE_T: |
| ahw->supported_type = PORT_TP; |
| ahw->port_type = QLCNIC_GBE; |
| break; |
| case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP: |
| case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP: |
| case QLC_83XX_MODULE_DA_10GE_LEGACY_CP: |
| case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP: |
| ahw->supported_type = PORT_DA; |
| ahw->port_type = QLCNIC_XGBE; |
| break; |
| default: |
| ahw->supported_type = PORT_OTHER; |
| ahw->port_type = QLCNIC_XGBE; |
| } |
| if (config & 1) |
| err = 1; |
| } |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| return config; |
| } |
| |
| int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter, |
| struct ethtool_link_ksettings *ecmd) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u32 config = 0; |
| int status = 0; |
| u32 supported, advertising; |
| |
| if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { |
| /* Get port configuration info */ |
| status = qlcnic_83xx_get_port_info(adapter); |
| /* Get Link Status related info */ |
| config = qlcnic_83xx_test_link(adapter); |
| ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config); |
| } |
| |
| /* hard code until there is a way to get it from flash */ |
| ahw->board_type = QLCNIC_BRDTYPE_83XX_10G; |
| |
| if (netif_running(adapter->netdev) && ahw->has_link_events) { |
| ecmd->base.speed = ahw->link_speed; |
| ecmd->base.duplex = ahw->link_duplex; |
| ecmd->base.autoneg = ahw->link_autoneg; |
| } else { |
| ecmd->base.speed = SPEED_UNKNOWN; |
| ecmd->base.duplex = DUPLEX_UNKNOWN; |
| ecmd->base.autoneg = AUTONEG_DISABLE; |
| } |
| |
| supported = (SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_10000baseT_Full | |
| SUPPORTED_Autoneg); |
| |
| ethtool_convert_link_mode_to_legacy_u32(&advertising, |
| ecmd->link_modes.advertising); |
| |
| if (ecmd->base.autoneg == AUTONEG_ENABLE) { |
| if (ahw->port_config & QLC_83XX_10_CAPABLE) |
| advertising |= SUPPORTED_10baseT_Full; |
| if (ahw->port_config & QLC_83XX_100_CAPABLE) |
| advertising |= SUPPORTED_100baseT_Full; |
| if (ahw->port_config & QLC_83XX_1G_CAPABLE) |
| advertising |= SUPPORTED_1000baseT_Full; |
| if (ahw->port_config & QLC_83XX_10G_CAPABLE) |
| advertising |= SUPPORTED_10000baseT_Full; |
| if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE) |
| advertising |= ADVERTISED_Autoneg; |
| } else { |
| switch (ahw->link_speed) { |
| case SPEED_10: |
| advertising = SUPPORTED_10baseT_Full; |
| break; |
| case SPEED_100: |
| advertising = SUPPORTED_100baseT_Full; |
| break; |
| case SPEED_1000: |
| advertising = SUPPORTED_1000baseT_Full; |
| break; |
| case SPEED_10000: |
| advertising = SUPPORTED_10000baseT_Full; |
| break; |
| default: |
| break; |
| } |
| |
| } |
| |
| switch (ahw->supported_type) { |
| case PORT_FIBRE: |
| supported |= SUPPORTED_FIBRE; |
| advertising |= ADVERTISED_FIBRE; |
| ecmd->base.port = PORT_FIBRE; |
| break; |
| case PORT_TP: |
| supported |= SUPPORTED_TP; |
| advertising |= ADVERTISED_TP; |
| ecmd->base.port = PORT_TP; |
| break; |
| case PORT_DA: |
| supported |= SUPPORTED_FIBRE; |
| advertising |= ADVERTISED_FIBRE; |
| ecmd->base.port = PORT_DA; |
| break; |
| default: |
| supported |= SUPPORTED_FIBRE; |
| advertising |= ADVERTISED_FIBRE; |
| ecmd->base.port = PORT_OTHER; |
| break; |
| } |
| ecmd->base.phy_address = ahw->physical_port; |
| |
| ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, |
| supported); |
| ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, |
| advertising); |
| |
| return status; |
| } |
| |
| int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter, |
| const struct ethtool_link_ksettings *ecmd) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u32 config = adapter->ahw->port_config; |
| int status = 0; |
| |
| /* 83xx devices do not support Half duplex */ |
| if (ecmd->base.duplex == DUPLEX_HALF) { |
| netdev_info(adapter->netdev, |
| "Half duplex mode not supported\n"); |
| return -EINVAL; |
| } |
| |
| if (ecmd->base.autoneg) { |
| ahw->port_config |= QLC_83XX_AUTONEG_ENABLE; |
| ahw->port_config |= (QLC_83XX_100_CAPABLE | |
| QLC_83XX_1G_CAPABLE | |
| QLC_83XX_10G_CAPABLE); |
| } else { /* force speed */ |
| ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE; |
| switch (ecmd->base.speed) { |
| case SPEED_10: |
| ahw->port_config &= ~(QLC_83XX_100_CAPABLE | |
| QLC_83XX_1G_CAPABLE | |
| QLC_83XX_10G_CAPABLE); |
| ahw->port_config |= QLC_83XX_10_CAPABLE; |
| break; |
| case SPEED_100: |
| ahw->port_config &= ~(QLC_83XX_10_CAPABLE | |
| QLC_83XX_1G_CAPABLE | |
| QLC_83XX_10G_CAPABLE); |
| ahw->port_config |= QLC_83XX_100_CAPABLE; |
| break; |
| case SPEED_1000: |
| ahw->port_config &= ~(QLC_83XX_10_CAPABLE | |
| QLC_83XX_100_CAPABLE | |
| QLC_83XX_10G_CAPABLE); |
| ahw->port_config |= QLC_83XX_1G_CAPABLE; |
| break; |
| case SPEED_10000: |
| ahw->port_config &= ~(QLC_83XX_10_CAPABLE | |
| QLC_83XX_100_CAPABLE | |
| QLC_83XX_1G_CAPABLE); |
| ahw->port_config |= QLC_83XX_10G_CAPABLE; |
| break; |
| default: |
| return -EINVAL; |
| } |
| } |
| status = qlcnic_83xx_set_port_config(adapter); |
| if (status) { |
| netdev_info(adapter->netdev, |
| "Failed to Set Link Speed and autoneg.\n"); |
| ahw->port_config = config; |
| } |
| |
| return status; |
| } |
| |
| static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd, |
| u64 *data, int index) |
| { |
| u32 low, hi; |
| u64 val; |
| |
| low = cmd->rsp.arg[index]; |
| hi = cmd->rsp.arg[index + 1]; |
| val = (((u64) low) | (((u64) hi) << 32)); |
| *data++ = val; |
| return data; |
| } |
| |
| static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd, u64 *data, |
| int type, int *ret) |
| { |
| int err, k, total_regs; |
| |
| *ret = 0; |
| err = qlcnic_issue_cmd(adapter, cmd); |
| if (err != QLCNIC_RCODE_SUCCESS) { |
| dev_info(&adapter->pdev->dev, |
| "Error in get statistics mailbox command\n"); |
| *ret = -EIO; |
| return data; |
| } |
| total_regs = cmd->rsp.num; |
| switch (type) { |
| case QLC_83XX_STAT_MAC: |
| /* fill in MAC tx counters */ |
| for (k = 2; k < 28; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| /* skip 24 bytes of reserved area */ |
| /* fill in MAC rx counters */ |
| for (k += 6; k < 60; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| /* skip 24 bytes of reserved area */ |
| /* fill in MAC rx frame stats */ |
| for (k += 6; k < 80; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| /* fill in eSwitch stats */ |
| for (; k < total_regs; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| break; |
| case QLC_83XX_STAT_RX: |
| for (k = 2; k < 8; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| /* skip 8 bytes of reserved data */ |
| for (k += 2; k < 24; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| /* skip 8 bytes containing RE1FBQ error data */ |
| for (k += 2; k < total_regs; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| break; |
| case QLC_83XX_STAT_TX: |
| for (k = 2; k < 10; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| /* skip 8 bytes of reserved data */ |
| for (k += 2; k < total_regs; k += 2) |
| data = qlcnic_83xx_copy_stats(cmd, data, k); |
| break; |
| default: |
| dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n"); |
| *ret = -EIO; |
| } |
| return data; |
| } |
| |
| void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data) |
| { |
| struct qlcnic_cmd_args cmd; |
| struct net_device *netdev = adapter->netdev; |
| int ret = 0; |
| |
| ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS); |
| if (ret) |
| return; |
| /* Get Tx stats */ |
| cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16); |
| cmd.rsp.num = QLC_83XX_TX_STAT_REGS; |
| data = qlcnic_83xx_fill_stats(adapter, &cmd, data, |
| QLC_83XX_STAT_TX, &ret); |
| if (ret) { |
| netdev_err(netdev, "Error getting Tx stats\n"); |
| goto out; |
| } |
| /* Get MAC stats */ |
| cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16); |
| cmd.rsp.num = QLC_83XX_MAC_STAT_REGS; |
| memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); |
| data = qlcnic_83xx_fill_stats(adapter, &cmd, data, |
| QLC_83XX_STAT_MAC, &ret); |
| if (ret) { |
| netdev_err(netdev, "Error getting MAC stats\n"); |
| goto out; |
| } |
| /* Get Rx stats */ |
| cmd.req.arg[1] = adapter->recv_ctx->context_id << 16; |
| cmd.rsp.num = QLC_83XX_RX_STAT_REGS; |
| memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); |
| data = qlcnic_83xx_fill_stats(adapter, &cmd, data, |
| QLC_83XX_STAT_RX, &ret); |
| if (ret) |
| netdev_err(netdev, "Error getting Rx stats\n"); |
| out: |
| qlcnic_free_mbx_args(&cmd); |
| } |
| |
| #define QLCNIC_83XX_ADD_PORT0 BIT_0 |
| #define QLCNIC_83XX_ADD_PORT1 BIT_1 |
| #define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */ |
| int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_cmd_args cmd; |
| int err; |
| |
| err = qlcnic_alloc_mbx_args(&cmd, adapter, |
| QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP); |
| if (err) |
| return err; |
| |
| cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1); |
| cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE; |
| cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE; |
| |
| err = qlcnic_issue_cmd(adapter, &cmd); |
| if (err) |
| dev_err(&adapter->pdev->dev, |
| "failed to issue extend iSCSI minidump capability\n"); |
| |
| return err; |
| } |
| |
| int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter) |
| { |
| u32 major, minor, sub; |
| |
| major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); |
| minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); |
| sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); |
| |
| if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) { |
| dev_info(&adapter->pdev->dev, "%s: Reg test failed\n", |
| __func__); |
| return 1; |
| } |
| return 0; |
| } |
| |
| inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter) |
| { |
| return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) * |
| sizeof(*adapter->ahw->ext_reg_tbl)) + |
| (ARRAY_SIZE(qlcnic_83xx_reg_tbl) * |
| sizeof(*adapter->ahw->reg_tbl)); |
| } |
| |
| int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff) |
| { |
| int i, j = 0; |
| |
| for (i = QLCNIC_DEV_INFO_SIZE + 1; |
| j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++) |
| regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j); |
| |
| for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++) |
| regs_buff[i++] = QLCRDX(adapter->ahw, j); |
| return i; |
| } |
| |
| int qlcnic_83xx_interrupt_test(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_cmd_args cmd; |
| u8 val, drv_sds_rings = adapter->drv_sds_rings; |
| u8 drv_tx_rings = adapter->drv_tx_rings; |
| u32 data; |
| u16 intrpt_id, id; |
| int ret; |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { |
| netdev_info(netdev, "Device is resetting\n"); |
| return -EBUSY; |
| } |
| |
| if (qlcnic_get_diag_lock(adapter)) { |
| netdev_info(netdev, "Device in diagnostics mode\n"); |
| return -EBUSY; |
| } |
| |
| ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST, |
| drv_sds_rings); |
| if (ret) |
| goto fail_diag_irq; |
| |
| ahw->diag_cnt = 0; |
| ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST); |
| if (ret) |
| goto fail_diag_irq; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| intrpt_id = ahw->intr_tbl[0].id; |
| else |
| intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); |
| |
| cmd.req.arg[1] = 1; |
| cmd.req.arg[2] = intrpt_id; |
| cmd.req.arg[3] = BIT_0; |
| |
| ret = qlcnic_issue_cmd(adapter, &cmd); |
| data = cmd.rsp.arg[2]; |
| id = LSW(data); |
| val = LSB(MSW(data)); |
| if (id != intrpt_id) |
| dev_info(&adapter->pdev->dev, |
| "Interrupt generated: 0x%x, requested:0x%x\n", |
| id, intrpt_id); |
| if (val) |
| dev_err(&adapter->pdev->dev, |
| "Interrupt test error: 0x%x\n", val); |
| if (ret) |
| goto done; |
| |
| msleep(20); |
| ret = !ahw->diag_cnt; |
| |
| done: |
| qlcnic_free_mbx_args(&cmd); |
| qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); |
| |
| fail_diag_irq: |
| adapter->drv_sds_rings = drv_sds_rings; |
| adapter->drv_tx_rings = drv_tx_rings; |
| qlcnic_release_diag_lock(adapter); |
| return ret; |
| } |
| |
| void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter, |
| struct ethtool_pauseparam *pause) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int status = 0; |
| u32 config; |
| |
| status = qlcnic_83xx_get_port_config(adapter); |
| if (status) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Get Pause Config failed\n", __func__); |
| return; |
| } |
| config = ahw->port_config; |
| if (config & QLC_83XX_CFG_STD_PAUSE) { |
| switch (MSW(config)) { |
| case QLC_83XX_TX_PAUSE: |
| pause->tx_pause = 1; |
| break; |
| case QLC_83XX_RX_PAUSE: |
| pause->rx_pause = 1; |
| break; |
| case QLC_83XX_TX_RX_PAUSE: |
| default: |
| /* Backward compatibility for existing |
| * flash definitions |
| */ |
| pause->tx_pause = 1; |
| pause->rx_pause = 1; |
| } |
| } |
| |
| if (QLC_83XX_AUTONEG(config)) |
| pause->autoneg = 1; |
| } |
| |
| int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter, |
| struct ethtool_pauseparam *pause) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int status = 0; |
| u32 config; |
| |
| status = qlcnic_83xx_get_port_config(adapter); |
| if (status) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Get Pause Config failed.\n", __func__); |
| return status; |
| } |
| config = ahw->port_config; |
| |
| if (ahw->port_type == QLCNIC_GBE) { |
| if (pause->autoneg) |
| ahw->port_config |= QLC_83XX_ENABLE_AUTONEG; |
| if (!pause->autoneg) |
| ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG; |
| } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) { |
| return -EOPNOTSUPP; |
| } |
| |
| if (!(config & QLC_83XX_CFG_STD_PAUSE)) |
| ahw->port_config |= QLC_83XX_CFG_STD_PAUSE; |
| |
| if (pause->rx_pause && pause->tx_pause) { |
| ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE; |
| } else if (pause->rx_pause && !pause->tx_pause) { |
| ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE; |
| ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE; |
| } else if (pause->tx_pause && !pause->rx_pause) { |
| ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE; |
| ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE; |
| } else if (!pause->rx_pause && !pause->tx_pause) { |
| ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE | |
| QLC_83XX_CFG_STD_PAUSE); |
| } |
| status = qlcnic_83xx_set_port_config(adapter); |
| if (status) { |
| dev_err(&adapter->pdev->dev, |
| "%s: Set Pause Config failed.\n", __func__); |
| ahw->port_config = config; |
| } |
| return status; |
| } |
| |
| static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) |
| { |
| int ret, err = 0; |
| u32 temp; |
| |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, |
| QLC_83XX_FLASH_OEM_READ_SIG); |
| qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, |
| QLC_83XX_FLASH_READ_CTRL); |
| ret = qlcnic_83xx_poll_flash_status_reg(adapter); |
| if (ret) |
| return -EIO; |
| |
| temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); |
| if (err == -EIO) |
| return err; |
| |
| return temp & 0xFF; |
| } |
| |
| int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter) |
| { |
| int status; |
| |
| status = qlcnic_83xx_read_flash_status_reg(adapter); |
| if (status == -EIO) { |
| dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n", |
| __func__); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int qlcnic_83xx_shutdown(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| int retval; |
| |
| netif_device_detach(netdev); |
| qlcnic_cancel_idc_work(adapter); |
| |
| if (netif_running(netdev)) |
| qlcnic_down(adapter, netdev); |
| |
| qlcnic_83xx_disable_mbx_intr(adapter); |
| cancel_delayed_work_sync(&adapter->idc_aen_work); |
| |
| retval = pci_save_state(pdev); |
| if (retval) |
| return retval; |
| |
| return 0; |
| } |
| |
| static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlc_83xx_idc *idc = &ahw->idc; |
| int err = 0; |
| |
| err = qlcnic_83xx_idc_init(adapter); |
| if (err) |
| return err; |
| |
| if (ahw->nic_mode == QLCNIC_VNIC_MODE) { |
| if (ahw->op_mode == QLCNIC_MGMT_FUNC) { |
| qlcnic_83xx_set_vnic_opmode(adapter); |
| } else { |
| err = qlcnic_83xx_check_vnic_state(adapter); |
| if (err) |
| return err; |
| } |
| } |
| |
| err = qlcnic_83xx_idc_reattach_driver(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, |
| idc->delay); |
| return err; |
| } |
| |
| void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx) |
| { |
| reinit_completion(&mbx->completion); |
| set_bit(QLC_83XX_MBX_READY, &mbx->status); |
| } |
| |
| void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx) |
| { |
| if (!mbx) |
| return; |
| |
| destroy_workqueue(mbx->work_q); |
| kfree(mbx); |
| } |
| |
| static inline void |
| qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED); |
| |
| if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { |
| qlcnic_free_mbx_args(cmd); |
| kfree(cmd); |
| return; |
| } |
| complete(&cmd->completion); |
| } |
| |
| static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
| struct list_head *head = &mbx->cmd_q; |
| struct qlcnic_cmd_args *cmd = NULL; |
| |
| spin_lock_bh(&mbx->queue_lock); |
| |
| while (!list_empty(head)) { |
| cmd = list_entry(head->next, struct qlcnic_cmd_args, list); |
| dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n", |
| __func__, cmd->cmd_op); |
| list_del(&cmd->list); |
| mbx->num_cmds--; |
| qlcnic_83xx_notify_cmd_completion(adapter, cmd); |
| } |
| |
| spin_unlock_bh(&mbx->queue_lock); |
| } |
| |
| static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_mailbox *mbx = ahw->mailbox; |
| u32 host_mbx_ctrl; |
| |
| if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) |
| return -EBUSY; |
| |
| host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL); |
| if (host_mbx_ctrl) { |
| clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
| ahw->idc.collect_dump = 1; |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter, |
| u8 issue_cmd) |
| { |
| if (issue_cmd) |
| QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER); |
| else |
| QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); |
| } |
| |
| static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
| |
| spin_lock_bh(&mbx->queue_lock); |
| |
| list_del(&cmd->list); |
| mbx->num_cmds--; |
| |
| spin_unlock_bh(&mbx->queue_lock); |
| |
| qlcnic_83xx_notify_cmd_completion(adapter, cmd); |
| } |
| |
| static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| int i, j; |
| |
| if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) { |
| mbx_cmd = cmd->req.arg[0]; |
| writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); |
| for (i = 1; i < cmd->req.num; i++) |
| writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i)); |
| } else { |
| fw_hal_version = ahw->fw_hal_version; |
| hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32); |
| total_size = cmd->pay_size + hdr_size; |
| tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16; |
| mbx_cmd = tmp | fw_hal_version << 29; |
| writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); |
| |
| /* Back channel specific operations bits */ |
| mbx_cmd = 0x1 | 1 << 4; |
| |
| if (qlcnic_sriov_pf_check(adapter)) |
| mbx_cmd |= cmd->func_num << 5; |
| |
| writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1)); |
| |
| for (i = 2, j = 0; j < hdr_size; i++, j++) |
| writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i)); |
| for (j = 0; j < cmd->pay_size; j++, i++) |
| writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i)); |
| } |
| } |
| |
| void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
| |
| if (!mbx) |
| return; |
| |
| clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
| complete(&mbx->completion); |
| cancel_work_sync(&mbx->work); |
| flush_workqueue(mbx->work_q); |
| qlcnic_83xx_flush_mbx_queue(adapter); |
| } |
| |
| static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd, |
| unsigned long *timeout) |
| { |
| struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
| |
| if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) { |
| atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT); |
| init_completion(&cmd->completion); |
| cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN; |
| |
| spin_lock_bh(&mbx->queue_lock); |
| |
| list_add_tail(&cmd->list, &mbx->cmd_q); |
| mbx->num_cmds++; |
| cmd->total_cmds = mbx->num_cmds; |
| *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT; |
| queue_work(mbx->work_q, &mbx->work); |
| |
| spin_unlock_bh(&mbx->queue_lock); |
| |
| return 0; |
| } |
| |
| return -EBUSY; |
| } |
| |
| static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| u8 mac_cmd_rcode; |
| u32 fw_data; |
| |
| if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) { |
| fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2)); |
| mac_cmd_rcode = (u8)fw_data; |
| if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE || |
| mac_cmd_rcode == QLC_83XX_MAC_PRESENT || |
| mac_cmd_rcode == QLC_83XX_MAC_ABSENT) { |
| cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; |
| return QLCNIC_RCODE_SUCCESS; |
| } |
| } |
| |
| return -EINVAL; |
| } |
| |
| static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter, |
| struct qlcnic_cmd_args *cmd) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct device *dev = &adapter->pdev->dev; |
| u8 mbx_err_code; |
| u32 fw_data; |
| |
| fw_data = readl(QLCNIC_MBX_FW(ahw, 0)); |
| mbx_err_code = QLCNIC_MBX_STATUS(fw_data); |
| qlcnic_83xx_get_mbx_data(adapter, cmd); |
| |
| switch (mbx_err_code) { |
| case QLCNIC_MBX_RSP_OK: |
| case QLCNIC_MBX_PORT_RSP_OK: |
| cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; |
| break; |
| default: |
| if (!qlcnic_83xx_check_mac_rcode(adapter, cmd)) |
| break; |
| |
| 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", |
| __func__, cmd->cmd_op, cmd->type, ahw->pci_func, |
| ahw->op_mode, mbx_err_code); |
| cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED; |
| qlcnic_dump_mbx(adapter, cmd); |
| } |
| |
| return; |
| } |
| |
| static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| u32 offset; |
| |
| offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); |
| 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", |
| readl(ahw->pci_base0 + offset), |
| QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL), |
| QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL), |
| QLCRDX(ahw, QLCNIC_FW_MBX_CTRL)); |
| } |
| |
| static void qlcnic_83xx_mailbox_worker(struct work_struct *work) |
| { |
| struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox, |
| work); |
| struct qlcnic_adapter *adapter = mbx->adapter; |
| const struct qlcnic_mbx_ops *mbx_ops = mbx->ops; |
| struct device *dev = &adapter->pdev->dev; |
| struct list_head *head = &mbx->cmd_q; |
| struct qlcnic_hardware_context *ahw; |
| struct qlcnic_cmd_args *cmd = NULL; |
| unsigned long flags; |
| |
| ahw = adapter->ahw; |
| |
| while (true) { |
| if (qlcnic_83xx_check_mbx_status(adapter)) { |
| qlcnic_83xx_flush_mbx_queue(adapter); |
| return; |
| } |
| |
| spin_lock_irqsave(&mbx->aen_lock, flags); |
| mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT; |
| spin_unlock_irqrestore(&mbx->aen_lock, flags); |
| |
| spin_lock_bh(&mbx->queue_lock); |
| |
| if (list_empty(head)) { |
| spin_unlock_bh(&mbx->queue_lock); |
| return; |
| } |
| cmd = list_entry(head->next, struct qlcnic_cmd_args, list); |
| |
| spin_unlock_bh(&mbx->queue_lock); |
| |
| mbx_ops->encode_cmd(adapter, cmd); |
| mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST); |
| |
| if (wait_for_completion_timeout(&mbx->completion, |
| QLC_83XX_MBX_TIMEOUT)) { |
| mbx_ops->decode_resp(adapter, cmd); |
| mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION); |
| } else { |
| dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n", |
| __func__, cmd->cmd_op, cmd->type, ahw->pci_func, |
| ahw->op_mode); |
| clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
| qlcnic_dump_mailbox_registers(adapter); |
| qlcnic_83xx_get_mbx_data(adapter, cmd); |
| qlcnic_dump_mbx(adapter, cmd); |
| qlcnic_83xx_idc_request_reset(adapter, |
| QLCNIC_FORCE_FW_DUMP_KEY); |
| cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT; |
| } |
| mbx_ops->dequeue_cmd(adapter, cmd); |
| } |
| } |
| |
| static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = { |
| .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd, |
| .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd, |
| .decode_resp = qlcnic_83xx_decode_mbx_rsp, |
| .encode_cmd = qlcnic_83xx_encode_mbx_cmd, |
| .nofity_fw = qlcnic_83xx_signal_mbx_cmd, |
| }; |
| |
| int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_mailbox *mbx; |
| |
| ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL); |
| if (!ahw->mailbox) |
| return -ENOMEM; |
| |
| mbx = ahw->mailbox; |
| mbx->ops = &qlcnic_83xx_mbx_ops; |
| mbx->adapter = adapter; |
| |
| spin_lock_init(&mbx->queue_lock); |
| spin_lock_init(&mbx->aen_lock); |
| INIT_LIST_HEAD(&mbx->cmd_q); |
| init_completion(&mbx->completion); |
| |
| mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox"); |
| if (mbx->work_q == NULL) { |
| kfree(mbx); |
| return -ENOMEM; |
| } |
| |
| INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker); |
| set_bit(QLC_83XX_MBX_READY, &mbx->status); |
| return 0; |
| } |
| |
| static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev, |
| pci_channel_state_t state) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| |
| if (state == pci_channel_io_perm_failure) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| if (state == pci_channel_io_normal) |
| return PCI_ERS_RESULT_RECOVERED; |
| |
| set_bit(__QLCNIC_AER, &adapter->state); |
| set_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| qlcnic_83xx_aer_stop_poll_work(adapter); |
| |
| pci_save_state(pdev); |
| pci_disable_device(pdev); |
| |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| int err = 0; |
| |
| pdev->error_state = pci_channel_io_normal; |
| err = pci_enable_device(pdev); |
| if (err) |
| goto disconnect; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| |
| err = qlcnic_83xx_aer_reset(adapter); |
| if (err == 0) |
| return PCI_ERS_RESULT_RECOVERED; |
| disconnect: |
| clear_bit(__QLCNIC_AER, &adapter->state); |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| |
| static void qlcnic_83xx_io_resume(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| |
| if (test_and_clear_bit(__QLCNIC_AER, &adapter->state)) |
| qlcnic_83xx_aer_start_poll_work(adapter); |
| } |