| /* |
| * QLogic qlcnic NIC Driver |
| * Copyright (c) 2009-2010 QLogic Corporation |
| * |
| * See LICENSE.qlcnic for copyright and licensing details. |
| */ |
| |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| #include <linux/interrupt.h> |
| |
| #include "qlcnic.h" |
| |
| #include <linux/swab.h> |
| #include <linux/dma-mapping.h> |
| #include <net/ip.h> |
| #include <linux/ipv6.h> |
| #include <linux/inetdevice.h> |
| #include <linux/sysfs.h> |
| #include <linux/aer.h> |
| #include <linux/log2.h> |
| |
| MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(QLCNIC_LINUX_VERSIONID); |
| MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); |
| |
| char qlcnic_driver_name[] = "qlcnic"; |
| static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " |
| "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; |
| |
| static struct workqueue_struct *qlcnic_wq; |
| static int qlcnic_mac_learn; |
| module_param(qlcnic_mac_learn, int, 0444); |
| MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)"); |
| |
| static int use_msi = 1; |
| module_param(use_msi, int, 0444); |
| MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); |
| |
| static int use_msi_x = 1; |
| module_param(use_msi_x, int, 0444); |
| MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); |
| |
| static int auto_fw_reset = 1; |
| module_param(auto_fw_reset, int, 0644); |
| MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); |
| |
| static int load_fw_file; |
| module_param(load_fw_file, int, 0444); |
| MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); |
| |
| static int qlcnic_config_npars; |
| module_param(qlcnic_config_npars, int, 0444); |
| MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); |
| |
| static int __devinit qlcnic_probe(struct pci_dev *pdev, |
| const struct pci_device_id *ent); |
| static void __devexit qlcnic_remove(struct pci_dev *pdev); |
| static int qlcnic_open(struct net_device *netdev); |
| static int qlcnic_close(struct net_device *netdev); |
| static void qlcnic_tx_timeout(struct net_device *netdev); |
| static void qlcnic_attach_work(struct work_struct *work); |
| static void qlcnic_fwinit_work(struct work_struct *work); |
| static void qlcnic_fw_poll_work(struct work_struct *work); |
| static void qlcnic_schedule_work(struct qlcnic_adapter *adapter, |
| work_func_t func, int delay); |
| static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter); |
| static int qlcnic_poll(struct napi_struct *napi, int budget); |
| static int qlcnic_rx_poll(struct napi_struct *napi, int budget); |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| static void qlcnic_poll_controller(struct net_device *netdev); |
| #endif |
| |
| static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); |
| static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); |
| static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); |
| static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); |
| |
| static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); |
| static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); |
| static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); |
| |
| static irqreturn_t qlcnic_tmp_intr(int irq, void *data); |
| static irqreturn_t qlcnic_intr(int irq, void *data); |
| static irqreturn_t qlcnic_msi_intr(int irq, void *data); |
| static irqreturn_t qlcnic_msix_intr(int irq, void *data); |
| |
| static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); |
| static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long); |
| static int qlcnic_start_firmware(struct qlcnic_adapter *); |
| |
| static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter); |
| static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); |
| static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); |
| static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); |
| static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); |
| static int qlcnicvf_start_firmware(struct qlcnic_adapter *); |
| static void qlcnic_set_netdev_features(struct qlcnic_adapter *, |
| struct qlcnic_esw_func_cfg *); |
| static void qlcnic_vlan_rx_add(struct net_device *, u16); |
| static void qlcnic_vlan_rx_del(struct net_device *, u16); |
| |
| /* PCI Device ID Table */ |
| #define ENTRY(device) \ |
| {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ |
| .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
| |
| #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 |
| |
| static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
| ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
| {0,} |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); |
| |
| |
| inline void |
| qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, |
| struct qlcnic_host_tx_ring *tx_ring) |
| { |
| writel(tx_ring->producer, tx_ring->crb_cmd_producer); |
| } |
| |
| static const u32 msi_tgt_status[8] = { |
| ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
| ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
| ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, |
| ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 |
| }; |
| |
| static const |
| struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; |
| |
| static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) |
| { |
| writel(0, sds_ring->crb_intr_mask); |
| } |
| |
| static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) |
| { |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| writel(0x1, sds_ring->crb_intr_mask); |
| |
| if (!QLCNIC_IS_MSI_FAMILY(adapter)) |
| writel(0xfbff, adapter->tgt_mask_reg); |
| } |
| |
| static int |
| qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) |
| { |
| int size = sizeof(struct qlcnic_host_sds_ring) * count; |
| |
| recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); |
| |
| return recv_ctx->sds_rings == NULL; |
| } |
| |
| static void |
| qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) |
| { |
| if (recv_ctx->sds_rings != NULL) |
| kfree(recv_ctx->sds_rings); |
| |
| recv_ctx->sds_rings = NULL; |
| } |
| |
| static int |
| qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
| return -ENOMEM; |
| |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| |
| if (ring == adapter->max_sds_rings - 1) |
| netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll, |
| QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings); |
| else |
| netif_napi_add(netdev, &sds_ring->napi, |
| qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2); |
| } |
| |
| return 0; |
| } |
| |
| static void |
| qlcnic_napi_del(struct qlcnic_adapter *adapter) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| netif_napi_del(&sds_ring->napi); |
| } |
| |
| qlcnic_free_sds_rings(adapter->recv_ctx); |
| } |
| |
| static void |
| qlcnic_napi_enable(struct qlcnic_adapter *adapter) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return; |
| |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| napi_enable(&sds_ring->napi); |
| qlcnic_enable_int(sds_ring); |
| } |
| } |
| |
| static void |
| qlcnic_napi_disable(struct qlcnic_adapter *adapter) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return; |
| |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| qlcnic_disable_int(sds_ring); |
| napi_synchronize(&sds_ring->napi); |
| napi_disable(&sds_ring->napi); |
| } |
| } |
| |
| static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) |
| { |
| memset(&adapter->stats, 0, sizeof(adapter->stats)); |
| } |
| |
| static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) |
| { |
| u32 control; |
| int pos; |
| |
| pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); |
| if (pos) { |
| pci_read_config_dword(pdev, pos, &control); |
| if (enable) |
| control |= PCI_MSIX_FLAGS_ENABLE; |
| else |
| control = 0; |
| pci_write_config_dword(pdev, pos, control); |
| } |
| } |
| |
| static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) |
| { |
| int i; |
| |
| for (i = 0; i < count; i++) |
| adapter->msix_entries[i].entry = i; |
| } |
| |
| static int |
| qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) |
| { |
| u8 mac_addr[ETH_ALEN]; |
| struct net_device *netdev = adapter->netdev; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| if (qlcnic_get_mac_address(adapter, mac_addr) != 0) |
| return -EIO; |
| |
| memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); |
| memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); |
| memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
| |
| /* set station address */ |
| |
| if (!is_valid_ether_addr(netdev->perm_addr)) |
| dev_warn(&pdev->dev, "Bad MAC address %pM.\n", |
| netdev->dev_addr); |
| |
| return 0; |
| } |
| |
| static int qlcnic_set_mac(struct net_device *netdev, void *p) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct sockaddr *addr = p; |
| |
| if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) |
| return -EOPNOTSUPP; |
| |
| if (!is_valid_ether_addr(addr->sa_data)) |
| return -EINVAL; |
| |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
| netif_device_detach(netdev); |
| qlcnic_napi_disable(adapter); |
| } |
| |
| memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
| memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
| qlcnic_set_multi(adapter->netdev); |
| |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
| netif_device_attach(netdev); |
| qlcnic_napi_enable(adapter); |
| } |
| return 0; |
| } |
| |
| static const struct net_device_ops qlcnic_netdev_ops = { |
| .ndo_open = qlcnic_open, |
| .ndo_stop = qlcnic_close, |
| .ndo_start_xmit = qlcnic_xmit_frame, |
| .ndo_get_stats = qlcnic_get_stats, |
| .ndo_validate_addr = eth_validate_addr, |
| .ndo_set_multicast_list = qlcnic_set_multi, |
| .ndo_set_mac_address = qlcnic_set_mac, |
| .ndo_change_mtu = qlcnic_change_mtu, |
| .ndo_fix_features = qlcnic_fix_features, |
| .ndo_set_features = qlcnic_set_features, |
| .ndo_tx_timeout = qlcnic_tx_timeout, |
| .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, |
| .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| .ndo_poll_controller = qlcnic_poll_controller, |
| #endif |
| }; |
| |
| static struct qlcnic_nic_template qlcnic_ops = { |
| .config_bridged_mode = qlcnic_config_bridged_mode, |
| .config_led = qlcnic_config_led, |
| .start_firmware = qlcnic_start_firmware |
| }; |
| |
| static struct qlcnic_nic_template qlcnic_vf_ops = { |
| .config_bridged_mode = qlcnicvf_config_bridged_mode, |
| .config_led = qlcnicvf_config_led, |
| .start_firmware = qlcnicvf_start_firmware |
| }; |
| |
| static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) |
| { |
| struct pci_dev *pdev = adapter->pdev; |
| int err = -1; |
| |
| adapter->max_sds_rings = 1; |
| adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); |
| qlcnic_set_msix_bit(pdev, 0); |
| |
| if (adapter->msix_supported) { |
| enable_msix: |
| qlcnic_init_msix_entries(adapter, num_msix); |
| err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); |
| if (err == 0) { |
| adapter->flags |= QLCNIC_MSIX_ENABLED; |
| qlcnic_set_msix_bit(pdev, 1); |
| |
| adapter->max_sds_rings = num_msix; |
| |
| dev_info(&pdev->dev, "using msi-x interrupts\n"); |
| return err; |
| } |
| if (err > 0) { |
| num_msix = rounddown_pow_of_two(err); |
| if (num_msix) |
| goto enable_msix; |
| } |
| } |
| return err; |
| } |
| |
| |
| static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) |
| { |
| const struct qlcnic_legacy_intr_set *legacy_intrp; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| if (use_msi && !pci_enable_msi(pdev)) { |
| adapter->flags |= QLCNIC_MSI_ENABLED; |
| adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, |
| msi_tgt_status[adapter->ahw->pci_func]); |
| dev_info(&pdev->dev, "using msi interrupts\n"); |
| adapter->msix_entries[0].vector = pdev->irq; |
| return; |
| } |
| |
| legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; |
| |
| adapter->int_vec_bit = legacy_intrp->int_vec_bit; |
| adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, |
| legacy_intrp->tgt_status_reg); |
| adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, |
| legacy_intrp->tgt_mask_reg); |
| adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); |
| |
| adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, |
| ISR_INT_STATE_REG); |
| dev_info(&pdev->dev, "using legacy interrupts\n"); |
| adapter->msix_entries[0].vector = pdev->irq; |
| } |
| |
| static void |
| qlcnic_setup_intr(struct qlcnic_adapter *adapter) |
| { |
| int num_msix; |
| |
| if (adapter->msix_supported) { |
| num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), |
| QLCNIC_DEF_NUM_STS_DESC_RINGS)); |
| } else |
| num_msix = 1; |
| |
| if (!qlcnic_enable_msix(adapter, num_msix)) |
| return; |
| |
| qlcnic_enable_msi_legacy(adapter); |
| } |
| |
| static void |
| qlcnic_teardown_intr(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| pci_disable_msix(adapter->pdev); |
| if (adapter->flags & QLCNIC_MSI_ENABLED) |
| pci_disable_msi(adapter->pdev); |
| } |
| |
| static void |
| qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->ahw->pci_base0 != NULL) |
| iounmap(adapter->ahw->pci_base0); |
| } |
| |
| static int |
| qlcnic_init_pci_info(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_pci_info *pci_info; |
| int i, ret = 0; |
| u8 pfn; |
| |
| pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
| if (!pci_info) |
| return -ENOMEM; |
| |
| adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * |
| QLCNIC_MAX_PCI_FUNC, GFP_KERNEL); |
| if (!adapter->npars) { |
| ret = -ENOMEM; |
| goto err_pci_info; |
| } |
| |
| adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * |
| QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); |
| if (!adapter->eswitch) { |
| ret = -ENOMEM; |
| goto err_npars; |
| } |
| |
| ret = qlcnic_get_pci_info(adapter, pci_info); |
| if (ret) |
| goto err_eswitch; |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| pfn = pci_info[i].id; |
| if (pfn > QLCNIC_MAX_PCI_FUNC) { |
| ret = QL_STATUS_INVALID_PARAM; |
| goto err_eswitch; |
| } |
| adapter->npars[pfn].active = (u8)pci_info[i].active; |
| adapter->npars[pfn].type = (u8)pci_info[i].type; |
| adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port; |
| adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw; |
| adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw; |
| } |
| |
| for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) |
| adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; |
| |
| kfree(pci_info); |
| return 0; |
| |
| err_eswitch: |
| kfree(adapter->eswitch); |
| adapter->eswitch = NULL; |
| err_npars: |
| kfree(adapter->npars); |
| adapter->npars = NULL; |
| err_pci_info: |
| kfree(pci_info); |
| |
| return ret; |
| } |
| |
| static int |
| qlcnic_set_function_modes(struct qlcnic_adapter *adapter) |
| { |
| u8 id; |
| u32 ref_count; |
| int i, ret = 1; |
| u32 data = QLCNIC_MGMT_FUNC; |
| void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE; |
| |
| /* If other drivers are not in use set their privilege level */ |
| ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| ret = qlcnic_api_lock(adapter); |
| if (ret) |
| goto err_lock; |
| |
| if (qlcnic_config_npars) { |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| id = i; |
| if (adapter->npars[i].type != QLCNIC_TYPE_NIC || |
| id == adapter->ahw->pci_func) |
| continue; |
| data |= (qlcnic_config_npars & |
| QLC_DEV_SET_DRV(0xf, id)); |
| } |
| } else { |
| data = readl(priv_op); |
| data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) | |
| (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, |
| adapter->ahw->pci_func)); |
| } |
| writel(data, priv_op); |
| qlcnic_api_unlock(adapter); |
| err_lock: |
| return ret; |
| } |
| |
| static void |
| qlcnic_check_vf(struct qlcnic_adapter *adapter) |
| { |
| void __iomem *msix_base_addr; |
| void __iomem *priv_op; |
| u32 func; |
| u32 msix_base; |
| u32 op_mode, priv_level; |
| |
| /* Determine FW API version */ |
| adapter->fw_hal_version = readl(adapter->ahw->pci_base0 + |
| QLCNIC_FW_API); |
| |
| /* Find PCI function number */ |
| pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); |
| msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE; |
| msix_base = readl(msix_base_addr); |
| func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE; |
| adapter->ahw->pci_func = func; |
| |
| /* Determine function privilege level */ |
| priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE; |
| op_mode = readl(priv_op); |
| if (op_mode == QLC_DEV_DRV_DEFAULT) |
| priv_level = QLCNIC_MGMT_FUNC; |
| else |
| priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
| |
| if (priv_level == QLCNIC_NON_PRIV_FUNC) { |
| adapter->op_mode = QLCNIC_NON_PRIV_FUNC; |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d Non Privileged function\n", |
| adapter->fw_hal_version); |
| adapter->nic_ops = &qlcnic_vf_ops; |
| } else |
| adapter->nic_ops = &qlcnic_ops; |
| } |
| |
| static int |
| qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) |
| { |
| void __iomem *mem_ptr0 = NULL; |
| resource_size_t mem_base; |
| unsigned long mem_len, pci_len0 = 0; |
| |
| struct pci_dev *pdev = adapter->pdev; |
| |
| /* remap phys address */ |
| mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ |
| mem_len = pci_resource_len(pdev, 0); |
| |
| if (mem_len == QLCNIC_PCI_2MB_SIZE) { |
| |
| mem_ptr0 = pci_ioremap_bar(pdev, 0); |
| if (mem_ptr0 == NULL) { |
| dev_err(&pdev->dev, "failed to map PCI bar 0\n"); |
| return -EIO; |
| } |
| pci_len0 = mem_len; |
| } else { |
| return -EIO; |
| } |
| |
| dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
| |
| adapter->ahw->pci_base0 = mem_ptr0; |
| adapter->ahw->pci_len0 = pci_len0; |
| |
| qlcnic_check_vf(adapter); |
| |
| adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter, |
| QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG( |
| adapter->ahw->pci_func))); |
| |
| return 0; |
| } |
| |
| static void get_brd_name(struct qlcnic_adapter *adapter, char *name) |
| { |
| struct pci_dev *pdev = adapter->pdev; |
| int i, found = 0; |
| |
| for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { |
| if (qlcnic_boards[i].vendor == pdev->vendor && |
| qlcnic_boards[i].device == pdev->device && |
| qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && |
| qlcnic_boards[i].sub_device == pdev->subsystem_device) { |
| sprintf(name, "%pM: %s" , |
| adapter->mac_addr, |
| qlcnic_boards[i].short_name); |
| found = 1; |
| break; |
| } |
| |
| } |
| |
| if (!found) |
| sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); |
| } |
| |
| static void |
| qlcnic_check_options(struct qlcnic_adapter *adapter) |
| { |
| u32 fw_major, fw_minor, fw_build; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); |
| fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); |
| fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); |
| |
| adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); |
| |
| dev_info(&pdev->dev, "firmware v%d.%d.%d\n", |
| fw_major, fw_minor, fw_build); |
| if (adapter->ahw->port_type == QLCNIC_XGBE) { |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
| adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; |
| adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; |
| } else { |
| adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; |
| adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; |
| } |
| |
| adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| |
| } else if (adapter->ahw->port_type == QLCNIC_GBE) { |
| adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; |
| adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; |
| adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; |
| adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; |
| } |
| |
| adapter->msix_supported = !!use_msi_x; |
| |
| adapter->num_txd = MAX_CMD_DESCRIPTORS; |
| |
| adapter->max_rds_rings = MAX_RDS_RINGS; |
| } |
| |
| static int |
| qlcnic_initialize_nic(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| struct qlcnic_info nic_info; |
| |
| err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); |
| if (err) |
| return err; |
| |
| adapter->physical_port = (u8)nic_info.phys_port; |
| adapter->switch_mode = nic_info.switch_mode; |
| adapter->max_tx_ques = nic_info.max_tx_ques; |
| adapter->max_rx_ques = nic_info.max_rx_ques; |
| adapter->capabilities = nic_info.capabilities; |
| adapter->max_mac_filters = nic_info.max_mac_filters; |
| adapter->max_mtu = nic_info.max_mtu; |
| |
| if (adapter->capabilities & BIT_6) |
| adapter->flags |= QLCNIC_ESWITCH_ENABLED; |
| else |
| adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; |
| |
| return err; |
| } |
| |
| static void |
| qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg) |
| { |
| if (esw_cfg->discard_tagged) |
| adapter->flags &= ~QLCNIC_TAGGING_ENABLED; |
| else |
| adapter->flags |= QLCNIC_TAGGING_ENABLED; |
| |
| if (esw_cfg->vlan_id) |
| adapter->pvid = esw_cfg->vlan_id; |
| else |
| adapter->pvid = 0; |
| } |
| |
| static void |
| qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| set_bit(vid, adapter->vlans); |
| } |
| |
| static void |
| qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); |
| clear_bit(vid, adapter->vlans); |
| } |
| |
| static void |
| qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg) |
| { |
| adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | |
| QLCNIC_PROMISC_DISABLED); |
| |
| if (esw_cfg->mac_anti_spoof) |
| adapter->flags |= QLCNIC_MACSPOOF; |
| |
| if (!esw_cfg->mac_override) |
| adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; |
| |
| if (!esw_cfg->promisc_mode) |
| adapter->flags |= QLCNIC_PROMISC_DISABLED; |
| |
| qlcnic_set_netdev_features(adapter, esw_cfg); |
| } |
| |
| static int |
| qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_esw_func_cfg esw_cfg; |
| |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
| return 0; |
| |
| esw_cfg.pci_func = adapter->ahw->pci_func; |
| if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) |
| return -EIO; |
| qlcnic_set_vlan_config(adapter, &esw_cfg); |
| qlcnic_set_eswitch_port_features(adapter, &esw_cfg); |
| |
| return 0; |
| } |
| |
| static void |
| qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg) |
| { |
| struct net_device *netdev = adapter->netdev; |
| unsigned long features, vlan_features; |
| |
| features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | |
| NETIF_F_IPV6_CSUM | NETIF_F_GRO); |
| vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | |
| NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER); |
| |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { |
| features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| } |
| |
| if (netdev->features & NETIF_F_LRO) |
| features |= NETIF_F_LRO; |
| |
| if (esw_cfg->offload_flags & BIT_0) { |
| netdev->features |= features; |
| if (!(esw_cfg->offload_flags & BIT_1)) |
| netdev->features &= ~NETIF_F_TSO; |
| if (!(esw_cfg->offload_flags & BIT_2)) |
| netdev->features &= ~NETIF_F_TSO6; |
| } else { |
| netdev->features &= ~features; |
| } |
| |
| netdev->vlan_features = (features & vlan_features); |
| } |
| |
| static int |
| qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) |
| { |
| void __iomem *priv_op; |
| u32 op_mode, priv_level; |
| int err = 0; |
| |
| err = qlcnic_initialize_nic(adapter); |
| if (err) |
| return err; |
| |
| if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) |
| return 0; |
| |
| priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE; |
| op_mode = readl(priv_op); |
| priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
| |
| if (op_mode == QLC_DEV_DRV_DEFAULT) |
| priv_level = QLCNIC_MGMT_FUNC; |
| else |
| priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
| |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
| if (priv_level == QLCNIC_MGMT_FUNC) { |
| adapter->op_mode = QLCNIC_MGMT_FUNC; |
| err = qlcnic_init_pci_info(adapter); |
| if (err) |
| return err; |
| /* Set privilege level for other functions */ |
| qlcnic_set_function_modes(adapter); |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d, Management function\n", |
| adapter->fw_hal_version); |
| } else if (priv_level == QLCNIC_PRIV_FUNC) { |
| adapter->op_mode = QLCNIC_PRIV_FUNC; |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d, Privileged function\n", |
| adapter->fw_hal_version); |
| } |
| } |
| |
| adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; |
| |
| return err; |
| } |
| |
| static int |
| qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_esw_func_cfg esw_cfg; |
| struct qlcnic_npar_info *npar; |
| u8 i; |
| |
| if (adapter->need_fw_reset) |
| return 0; |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| if (adapter->npars[i].type != QLCNIC_TYPE_NIC) |
| continue; |
| memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); |
| esw_cfg.pci_func = i; |
| esw_cfg.offload_flags = BIT_0; |
| esw_cfg.mac_override = BIT_0; |
| esw_cfg.promisc_mode = BIT_0; |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
| esw_cfg.offload_flags |= (BIT_1 | BIT_2); |
| if (qlcnic_config_switch_port(adapter, &esw_cfg)) |
| return -EIO; |
| npar = &adapter->npars[i]; |
| npar->pvid = esw_cfg.vlan_id; |
| npar->mac_override = esw_cfg.mac_override; |
| npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; |
| npar->discard_tagged = esw_cfg.discard_tagged; |
| npar->promisc_mode = esw_cfg.promisc_mode; |
| npar->offload_flags = esw_cfg.offload_flags; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_npar_info *npar, int pci_func) |
| { |
| struct qlcnic_esw_func_cfg esw_cfg; |
| esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; |
| esw_cfg.pci_func = pci_func; |
| esw_cfg.vlan_id = npar->pvid; |
| esw_cfg.mac_override = npar->mac_override; |
| esw_cfg.discard_tagged = npar->discard_tagged; |
| esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; |
| esw_cfg.offload_flags = npar->offload_flags; |
| esw_cfg.promisc_mode = npar->promisc_mode; |
| if (qlcnic_config_switch_port(adapter, &esw_cfg)) |
| return -EIO; |
| |
| esw_cfg.op_mode = QLCNIC_ADD_VLAN; |
| if (qlcnic_config_switch_port(adapter, &esw_cfg)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) |
| { |
| int i, err; |
| struct qlcnic_npar_info *npar; |
| struct qlcnic_info nic_info; |
| |
| if (!adapter->need_fw_reset) |
| return 0; |
| |
| /* Set the NPAR config data after FW reset */ |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| npar = &adapter->npars[i]; |
| if (npar->type != QLCNIC_TYPE_NIC) |
| continue; |
| err = qlcnic_get_nic_info(adapter, &nic_info, i); |
| if (err) |
| return err; |
| nic_info.min_tx_bw = npar->min_bw; |
| nic_info.max_tx_bw = npar->max_bw; |
| err = qlcnic_set_nic_info(adapter, &nic_info); |
| if (err) |
| return err; |
| |
| if (npar->enable_pm) { |
| err = qlcnic_config_port_mirroring(adapter, |
| npar->dest_npar, 1, i); |
| if (err) |
| return err; |
| } |
| err = qlcnic_reset_eswitch_config(adapter, npar, i); |
| if (err) |
| return err; |
| } |
| return 0; |
| } |
| |
| static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) |
| { |
| u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; |
| u32 npar_state; |
| |
| if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
| return 0; |
| |
| npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); |
| while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { |
| msleep(1000); |
| npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); |
| } |
| if (!npar_opt_timeo) { |
| dev_err(&adapter->pdev->dev, |
| "Waiting for NPAR state to opertional timeout\n"); |
| return -EIO; |
| } |
| return 0; |
| } |
| |
| static int |
| qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || |
| adapter->op_mode != QLCNIC_MGMT_FUNC) |
| return 0; |
| |
| err = qlcnic_set_default_offload_settings(adapter); |
| if (err) |
| return err; |
| |
| err = qlcnic_reset_npar_config(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_dev_set_npar_ready(adapter); |
| |
| return err; |
| } |
| |
| static int |
| qlcnic_start_firmware(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| |
| err = qlcnic_can_start_firmware(adapter); |
| if (err < 0) |
| return err; |
| else if (!err) |
| goto check_fw_status; |
| |
| if (load_fw_file) |
| qlcnic_request_firmware(adapter); |
| else { |
| err = qlcnic_check_flash_fw_ver(adapter); |
| if (err) |
| goto err_out; |
| |
| adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; |
| } |
| |
| err = qlcnic_need_fw_reset(adapter); |
| if (err == 0) |
| goto check_fw_status; |
| |
| err = qlcnic_pinit_from_rom(adapter); |
| if (err) |
| goto err_out; |
| |
| err = qlcnic_load_firmware(adapter); |
| if (err) |
| goto err_out; |
| |
| qlcnic_release_firmware(adapter); |
| QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); |
| |
| check_fw_status: |
| err = qlcnic_check_fw_status(adapter); |
| if (err) |
| goto err_out; |
| |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); |
| qlcnic_idc_debug_info(adapter, 1); |
| |
| err = qlcnic_check_eswitch_mode(adapter); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "Memory allocation failed for eswitch\n"); |
| goto err_out; |
| } |
| err = qlcnic_set_mgmt_operations(adapter); |
| if (err) |
| goto err_out; |
| |
| qlcnic_check_options(adapter); |
| adapter->need_fw_reset = 0; |
| |
| qlcnic_release_firmware(adapter); |
| return 0; |
| |
| err_out: |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); |
| dev_err(&adapter->pdev->dev, "Device state set to failed\n"); |
| |
| qlcnic_release_firmware(adapter); |
| return err; |
| } |
| |
| static int |
| qlcnic_request_irq(struct qlcnic_adapter *adapter) |
| { |
| irq_handler_t handler; |
| struct qlcnic_host_sds_ring *sds_ring; |
| int err, ring; |
| |
| unsigned long flags = 0; |
| struct net_device *netdev = adapter->netdev; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
| handler = qlcnic_tmp_intr; |
| if (!QLCNIC_IS_MSI_FAMILY(adapter)) |
| flags |= IRQF_SHARED; |
| |
| } else { |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| handler = qlcnic_msix_intr; |
| else if (adapter->flags & QLCNIC_MSI_ENABLED) |
| handler = qlcnic_msi_intr; |
| else { |
| flags |= IRQF_SHARED; |
| handler = qlcnic_intr; |
| } |
| } |
| adapter->irq = netdev->irq; |
| |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
| err = request_irq(sds_ring->irq, handler, |
| flags, sds_ring->name, sds_ring); |
| if (err) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static void |
| qlcnic_free_irq(struct qlcnic_adapter *adapter) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| free_irq(sds_ring->irq, sds_ring); |
| } |
| } |
| |
| static int |
| __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| int ring; |
| struct qlcnic_host_rds_ring *rds_ring; |
| |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return -EIO; |
| |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| return 0; |
| if (qlcnic_set_eswitch_port_config(adapter)) |
| return -EIO; |
| |
| if (qlcnic_fw_create_ctx(adapter)) |
| return -EIO; |
| |
| for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| rds_ring = &adapter->recv_ctx->rds_rings[ring]; |
| qlcnic_post_rx_buffers(adapter, rds_ring); |
| } |
| |
| qlcnic_set_multi(netdev); |
| qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); |
| |
| adapter->ahw->linkup = 0; |
| |
| if (adapter->max_sds_rings > 1) |
| qlcnic_config_rss(adapter, 1); |
| |
| qlcnic_config_intr_coalesce(adapter); |
| |
| if (netdev->features & NETIF_F_LRO) |
| qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); |
| |
| qlcnic_napi_enable(adapter); |
| |
| qlcnic_linkevent_request(adapter, 1); |
| |
| adapter->reset_context = 0; |
| set_bit(__QLCNIC_DEV_UP, &adapter->state); |
| return 0; |
| } |
| |
| /* Usage: During resume and firmware recovery module.*/ |
| |
| static int |
| qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| int err = 0; |
| |
| rtnl_lock(); |
| if (netif_running(netdev)) |
| err = __qlcnic_up(adapter, netdev); |
| rtnl_unlock(); |
| |
| return err; |
| } |
| |
| static void |
| __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return; |
| |
| if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| return; |
| |
| smp_mb(); |
| spin_lock(&adapter->tx_clean_lock); |
| netif_carrier_off(netdev); |
| netif_tx_disable(netdev); |
| |
| qlcnic_free_mac_list(adapter); |
| |
| if (adapter->fhash.fnum) |
| qlcnic_delete_lb_filters(adapter); |
| |
| qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); |
| |
| qlcnic_napi_disable(adapter); |
| |
| qlcnic_fw_destroy_ctx(adapter); |
| |
| qlcnic_reset_rx_buffers_list(adapter); |
| qlcnic_release_tx_buffers(adapter); |
| spin_unlock(&adapter->tx_clean_lock); |
| } |
| |
| /* Usage: During suspend and firmware recovery module */ |
| |
| static void |
| qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| rtnl_lock(); |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| rtnl_unlock(); |
| |
| } |
| |
| static int |
| qlcnic_attach(struct qlcnic_adapter *adapter) |
| { |
| struct net_device *netdev = adapter->netdev; |
| struct pci_dev *pdev = adapter->pdev; |
| int err; |
| |
| if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) |
| return 0; |
| |
| err = qlcnic_napi_add(adapter, netdev); |
| if (err) |
| return err; |
| |
| err = qlcnic_alloc_sw_resources(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Error in setting sw resources\n"); |
| goto err_out_napi_del; |
| } |
| |
| err = qlcnic_alloc_hw_resources(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Error in setting hw resources\n"); |
| goto err_out_free_sw; |
| } |
| |
| err = qlcnic_request_irq(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "failed to setup interrupt\n"); |
| goto err_out_free_hw; |
| } |
| |
| qlcnic_create_sysfs_entries(adapter); |
| |
| adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; |
| return 0; |
| |
| err_out_free_hw: |
| qlcnic_free_hw_resources(adapter); |
| err_out_free_sw: |
| qlcnic_free_sw_resources(adapter); |
| err_out_napi_del: |
| qlcnic_napi_del(adapter); |
| return err; |
| } |
| |
| static void |
| qlcnic_detach(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return; |
| |
| qlcnic_remove_sysfs_entries(adapter); |
| |
| qlcnic_free_hw_resources(adapter); |
| qlcnic_release_rx_buffers(adapter); |
| qlcnic_free_irq(adapter); |
| qlcnic_napi_del(adapter); |
| qlcnic_free_sw_resources(adapter); |
| |
| adapter->is_up = 0; |
| } |
| |
| void qlcnic_diag_free_res(struct net_device *netdev, int max_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->diag_test == QLCNIC_INTERRUPT_TEST) { |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
| qlcnic_disable_int(sds_ring); |
| } |
| } |
| |
| qlcnic_fw_destroy_ctx(adapter); |
| |
| qlcnic_detach(adapter); |
| |
| adapter->diag_test = 0; |
| adapter->max_sds_rings = max_sds_rings; |
| |
| if (qlcnic_attach(adapter)) |
| goto out; |
| |
| if (netif_running(netdev)) |
| __qlcnic_up(adapter, netdev); |
| out: |
| netif_device_attach(netdev); |
| } |
| |
| static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) |
| { |
| int err = 0; |
| adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context), |
| GFP_KERNEL); |
| if (!adapter->ahw) { |
| dev_err(&adapter->pdev->dev, |
| "Failed to allocate recv ctx resources for adapter\n"); |
| err = -ENOMEM; |
| goto err_out; |
| } |
| adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), |
| GFP_KERNEL); |
| if (!adapter->recv_ctx) { |
| dev_err(&adapter->pdev->dev, |
| "Failed to allocate recv ctx resources for adapter\n"); |
| kfree(adapter->ahw); |
| adapter->ahw = NULL; |
| err = -ENOMEM; |
| goto err_out; |
| } |
| /* Initialize interrupt coalesce parameters */ |
| adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT; |
| adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; |
| adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; |
| err_out: |
| return err; |
| } |
| |
| static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) |
| { |
| kfree(adapter->recv_ctx); |
| adapter->recv_ctx = NULL; |
| |
| if (adapter->ahw->fw_dump.tmpl_hdr) { |
| vfree(adapter->ahw->fw_dump.tmpl_hdr); |
| adapter->ahw->fw_dump.tmpl_hdr = NULL; |
| } |
| kfree(adapter->ahw); |
| adapter->ahw = NULL; |
| } |
| |
| int qlcnic_diag_alloc_res(struct net_device *netdev, int test) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_host_rds_ring *rds_ring; |
| int ring; |
| int ret; |
| |
| netif_device_detach(netdev); |
| |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| |
| adapter->max_sds_rings = 1; |
| adapter->diag_test = test; |
| |
| ret = qlcnic_attach(adapter); |
| if (ret) { |
| netif_device_attach(netdev); |
| return ret; |
| } |
| |
| ret = qlcnic_fw_create_ctx(adapter); |
| if (ret) { |
| qlcnic_detach(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); |
| } |
| |
| if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
| qlcnic_enable_int(sds_ring); |
| } |
| } |
| |
| if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) { |
| adapter->ahw->loopback_state = 0; |
| qlcnic_linkevent_request(adapter, 1); |
| } |
| |
| set_bit(__QLCNIC_DEV_UP, &adapter->state); |
| |
| return 0; |
| } |
| |
| /* Reset context in hardware only */ |
| static int |
| qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) |
| { |
| struct net_device *netdev = adapter->netdev; |
| |
| if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return -EBUSY; |
| |
| netif_device_detach(netdev); |
| |
| qlcnic_down(adapter, netdev); |
| |
| qlcnic_up(adapter, netdev); |
| |
| netif_device_attach(netdev); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| return 0; |
| } |
| |
| int |
| qlcnic_reset_context(struct qlcnic_adapter *adapter) |
| { |
| int err = 0; |
| struct net_device *netdev = adapter->netdev; |
| |
| if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return -EBUSY; |
| |
| if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { |
| |
| netif_device_detach(netdev); |
| |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_attach(adapter); |
| if (!err) |
| __qlcnic_up(adapter, netdev); |
| } |
| |
| netif_device_attach(netdev); |
| } |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| return err; |
| } |
| |
| static int |
| qlcnic_setup_netdev(struct qlcnic_adapter *adapter, |
| struct net_device *netdev, u8 pci_using_dac) |
| { |
| int err; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| adapter->mc_enabled = 0; |
| adapter->max_mc_count = 38; |
| |
| netdev->netdev_ops = &qlcnic_netdev_ops; |
| netdev->watchdog_timeo = 5*HZ; |
| |
| qlcnic_change_mtu(netdev, netdev->mtu); |
| |
| SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); |
| |
| netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | |
| NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; |
| |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
| netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6; |
| if (pci_using_dac) |
| netdev->hw_features |= NETIF_F_HIGHDMA; |
| |
| netdev->vlan_features = netdev->hw_features; |
| |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) |
| netdev->hw_features |= NETIF_F_HW_VLAN_TX; |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) |
| netdev->hw_features |= NETIF_F_LRO; |
| |
| netdev->features |= netdev->hw_features | |
| NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; |
| |
| netdev->irq = adapter->msix_entries[0].vector; |
| |
| err = register_netdev(netdev); |
| if (err) { |
| dev_err(&pdev->dev, "failed to register net device\n"); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) |
| { |
| if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && |
| !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) |
| *pci_using_dac = 1; |
| else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && |
| !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) |
| *pci_using_dac = 0; |
| else { |
| dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count) |
| { |
| adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry), |
| GFP_KERNEL); |
| |
| if (adapter->msix_entries) |
| return 0; |
| |
| dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n"); |
| return -ENOMEM; |
| } |
| |
| static int __devinit |
| qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
| { |
| struct net_device *netdev = NULL; |
| struct qlcnic_adapter *adapter = NULL; |
| int err; |
| uint8_t revision_id; |
| uint8_t pci_using_dac; |
| char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; |
| |
| err = pci_enable_device(pdev); |
| if (err) |
| return err; |
| |
| if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
| err = -ENODEV; |
| goto err_out_disable_pdev; |
| } |
| |
| err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
| if (err) |
| goto err_out_disable_pdev; |
| |
| err = pci_request_regions(pdev, qlcnic_driver_name); |
| if (err) |
| goto err_out_disable_pdev; |
| |
| pci_set_master(pdev); |
| pci_enable_pcie_error_reporting(pdev); |
| |
| netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); |
| if (!netdev) { |
| dev_err(&pdev->dev, "failed to allocate net_device\n"); |
| err = -ENOMEM; |
| goto err_out_free_res; |
| } |
| |
| SET_NETDEV_DEV(netdev, &pdev->dev); |
| |
| adapter = netdev_priv(netdev); |
| adapter->netdev = netdev; |
| adapter->pdev = pdev; |
| |
| if (qlcnic_alloc_adapter_resources(adapter)) |
| goto err_out_free_netdev; |
| |
| adapter->dev_rst_time = jiffies; |
| revision_id = pdev->revision; |
| adapter->ahw->revision_id = revision_id; |
| |
| rwlock_init(&adapter->ahw->crb_lock); |
| mutex_init(&adapter->ahw->mem_lock); |
| |
| spin_lock_init(&adapter->tx_clean_lock); |
| INIT_LIST_HEAD(&adapter->mac_list); |
| |
| err = qlcnic_setup_pci_map(adapter); |
| if (err) |
| goto err_out_free_hw; |
| |
| /* This will be reset for mezz cards */ |
| adapter->portnum = adapter->ahw->pci_func; |
| |
| err = qlcnic_get_board_info(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Error getting board config info.\n"); |
| goto err_out_iounmap; |
| } |
| |
| err = qlcnic_setup_idc_param(adapter); |
| if (err) |
| goto err_out_iounmap; |
| |
| adapter->flags |= QLCNIC_NEED_FLR; |
| |
| err = adapter->nic_ops->start_firmware(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); |
| goto err_out_decr_ref; |
| } |
| |
| /* Get FW dump template and store it */ |
| if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC) |
| if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) |
| dev_info(&pdev->dev, |
| "Supports FW dump capability\n"); |
| |
| if (qlcnic_read_mac_addr(adapter)) |
| dev_warn(&pdev->dev, "failed to read mac addr\n"); |
| |
| if (adapter->portnum == 0) { |
| get_brd_name(adapter, brd_name); |
| |
| pr_info("%s: %s Board Chip rev 0x%x\n", |
| module_name(THIS_MODULE), |
| brd_name, adapter->ahw->revision_id); |
| } |
| |
| qlcnic_clear_stats(adapter); |
| |
| err = qlcnic_alloc_msix_entries(adapter, adapter->max_rx_ques); |
| if (err) |
| goto err_out_decr_ref; |
| |
| qlcnic_setup_intr(adapter); |
| |
| err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
| if (err) |
| goto err_out_disable_msi; |
| |
| pci_set_drvdata(pdev, adapter); |
| |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); |
| |
| switch (adapter->ahw->port_type) { |
| case QLCNIC_GBE: |
| dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", |
| adapter->netdev->name); |
| break; |
| case QLCNIC_XGBE: |
| dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", |
| adapter->netdev->name); |
| break; |
| } |
| |
| qlcnic_alloc_lb_filters_mem(adapter); |
| qlcnic_create_diag_entries(adapter); |
| |
| return 0; |
| |
| err_out_disable_msi: |
| qlcnic_teardown_intr(adapter); |
| kfree(adapter->msix_entries); |
| |
| err_out_decr_ref: |
| qlcnic_clr_all_drv_state(adapter, 0); |
| |
| err_out_iounmap: |
| qlcnic_cleanup_pci_map(adapter); |
| |
| err_out_free_hw: |
| qlcnic_free_adapter_resources(adapter); |
| |
| err_out_free_netdev: |
| free_netdev(netdev); |
| |
| err_out_free_res: |
| pci_release_regions(pdev); |
| |
| err_out_disable_pdev: |
| pci_set_drvdata(pdev, NULL); |
| pci_disable_device(pdev); |
| return err; |
| } |
| |
| static void __devexit qlcnic_remove(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter; |
| struct net_device *netdev; |
| |
| adapter = pci_get_drvdata(pdev); |
| if (adapter == NULL) |
| return; |
| |
| netdev = adapter->netdev; |
| |
| qlcnic_cancel_fw_work(adapter); |
| |
| unregister_netdev(netdev); |
| |
| qlcnic_detach(adapter); |
| |
| if (adapter->npars != NULL) |
| kfree(adapter->npars); |
| if (adapter->eswitch != NULL) |
| kfree(adapter->eswitch); |
| |
| qlcnic_clr_all_drv_state(adapter, 0); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| qlcnic_free_lb_filters_mem(adapter); |
| |
| qlcnic_teardown_intr(adapter); |
| kfree(adapter->msix_entries); |
| |
| qlcnic_remove_diag_entries(adapter); |
| |
| qlcnic_cleanup_pci_map(adapter); |
| |
| qlcnic_release_firmware(adapter); |
| |
| pci_disable_pcie_error_reporting(pdev); |
| pci_release_regions(pdev); |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| |
| qlcnic_free_adapter_resources(adapter); |
| free_netdev(netdev); |
| } |
| static int __qlcnic_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_fw_work(adapter); |
| |
| if (netif_running(netdev)) |
| qlcnic_down(adapter, netdev); |
| |
| qlcnic_clr_all_drv_state(adapter, 0); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| retval = pci_save_state(pdev); |
| if (retval) |
| return retval; |
| |
| if (qlcnic_wol_supported(adapter)) { |
| pci_enable_wake(pdev, PCI_D3cold, 1); |
| pci_enable_wake(pdev, PCI_D3hot, 1); |
| } |
| |
| return 0; |
| } |
| |
| static void qlcnic_shutdown(struct pci_dev *pdev) |
| { |
| if (__qlcnic_shutdown(pdev)) |
| return; |
| |
| pci_disable_device(pdev); |
| } |
| |
| #ifdef CONFIG_PM |
| static int |
| qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| int retval; |
| |
| retval = __qlcnic_shutdown(pdev); |
| if (retval) |
| return retval; |
| |
| pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| return 0; |
| } |
| |
| static int |
| qlcnic_resume(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| int err; |
| |
| err = pci_enable_device(pdev); |
| if (err) |
| return err; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| |
| err = adapter->nic_ops->start_firmware(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "failed to start firmware\n"); |
| return err; |
| } |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_up(adapter, netdev); |
| if (err) |
| goto done; |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| done: |
| netif_device_attach(netdev); |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); |
| return 0; |
| } |
| #endif |
| |
| static int qlcnic_open(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| int err; |
| |
| netif_carrier_off(netdev); |
| |
| err = qlcnic_attach(adapter); |
| if (err) |
| return err; |
| |
| err = __qlcnic_up(adapter, netdev); |
| if (err) |
| goto err_out; |
| |
| netif_start_queue(netdev); |
| |
| return 0; |
| |
| err_out: |
| qlcnic_detach(adapter); |
| return err; |
| } |
| |
| /* |
| * qlcnic_close - Disables a network interface entry point |
| */ |
| static int qlcnic_close(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| __qlcnic_down(adapter, netdev); |
| return 0; |
| } |
| |
| static void |
| qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) |
| { |
| void *head; |
| int i; |
| |
| if (!qlcnic_mac_learn) |
| return; |
| |
| spin_lock_init(&adapter->mac_learn_lock); |
| |
| head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head), |
| GFP_KERNEL); |
| if (!head) |
| return; |
| |
| adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS; |
| adapter->fhash.fhead = head; |
| |
| for (i = 0; i < adapter->fhash.fmax; i++) |
| INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); |
| } |
| |
| static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->fhash.fmax && adapter->fhash.fhead) |
| kfree(adapter->fhash.fhead); |
| |
| adapter->fhash.fhead = NULL; |
| adapter->fhash.fmax = 0; |
| } |
| |
| static void qlcnic_change_filter(struct qlcnic_adapter *adapter, |
| u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) |
| { |
| struct cmd_desc_type0 *hwdesc; |
| struct qlcnic_nic_req *req; |
| struct qlcnic_mac_req *mac_req; |
| struct qlcnic_vlan_req *vlan_req; |
| u32 producer; |
| u64 word; |
| |
| producer = tx_ring->producer; |
| hwdesc = &tx_ring->desc_head[tx_ring->producer]; |
| |
| req = (struct qlcnic_nic_req *)hwdesc; |
| memset(req, 0, sizeof(struct qlcnic_nic_req)); |
| req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); |
| |
| word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16); |
| req->req_hdr = cpu_to_le64(word); |
| |
| mac_req = (struct qlcnic_mac_req *)&(req->words[0]); |
| mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; |
| memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); |
| |
| vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; |
| vlan_req->vlan_id = vlan_id; |
| |
| tx_ring->producer = get_next_index(producer, tx_ring->num_desc); |
| smp_mb(); |
| } |
| |
| #define QLCNIC_MAC_HASH(MAC)\ |
| ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25)) |
| |
| static void |
| qlcnic_send_filter(struct qlcnic_adapter *adapter, |
| struct qlcnic_host_tx_ring *tx_ring, |
| struct cmd_desc_type0 *first_desc, |
| struct sk_buff *skb) |
| { |
| struct ethhdr *phdr = (struct ethhdr *)(skb->data); |
| struct qlcnic_filter *fil, *tmp_fil; |
| struct hlist_node *tmp_hnode, *n; |
| struct hlist_head *head; |
| u64 src_addr = 0; |
| __le16 vlan_id = 0; |
| u8 hindex; |
| |
| if (!compare_ether_addr(phdr->h_source, adapter->mac_addr)) |
| return; |
| |
| if (adapter->fhash.fnum >= adapter->fhash.fmax) |
| return; |
| |
| /* Only NPAR capable devices support vlan based learning*/ |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) |
| vlan_id = first_desc->vlan_TCI; |
| memcpy(&src_addr, phdr->h_source, ETH_ALEN); |
| hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1); |
| head = &(adapter->fhash.fhead[hindex]); |
| |
| hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) { |
| if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && |
| tmp_fil->vlan_id == vlan_id) { |
| |
| if (jiffies > |
| (QLCNIC_READD_AGE * HZ + tmp_fil->ftime)) |
| qlcnic_change_filter(adapter, src_addr, vlan_id, |
| tx_ring); |
| tmp_fil->ftime = jiffies; |
| return; |
| } |
| } |
| |
| fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); |
| if (!fil) |
| return; |
| |
| qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring); |
| |
| fil->ftime = jiffies; |
| fil->vlan_id = vlan_id; |
| memcpy(fil->faddr, &src_addr, ETH_ALEN); |
| spin_lock(&adapter->mac_learn_lock); |
| hlist_add_head(&(fil->fnode), head); |
| adapter->fhash.fnum++; |
| spin_unlock(&adapter->mac_learn_lock); |
| } |
| |
| static int |
| qlcnic_tx_pkt(struct qlcnic_adapter *adapter, |
| struct cmd_desc_type0 *first_desc, |
| struct sk_buff *skb) |
| { |
| u8 opcode = 0, hdr_len = 0; |
| u16 flags = 0, vlan_tci = 0; |
| int copied, offset, copy_len; |
| struct cmd_desc_type0 *hwdesc; |
| struct vlan_ethhdr *vh; |
| struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; |
| u16 protocol = ntohs(skb->protocol); |
| u32 producer = tx_ring->producer; |
| |
| if (protocol == ETH_P_8021Q) { |
| vh = (struct vlan_ethhdr *)skb->data; |
| flags = FLAGS_VLAN_TAGGED; |
| vlan_tci = vh->h_vlan_TCI; |
| } else if (vlan_tx_tag_present(skb)) { |
| flags = FLAGS_VLAN_OOB; |
| vlan_tci = vlan_tx_tag_get(skb); |
| } |
| if (unlikely(adapter->pvid)) { |
| if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED)) |
| return -EIO; |
| if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED)) |
| goto set_flags; |
| |
| flags = FLAGS_VLAN_OOB; |
| vlan_tci = adapter->pvid; |
| } |
| set_flags: |
| qlcnic_set_tx_vlan_tci(first_desc, vlan_tci); |
| qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); |
| |
| if (*(skb->data) & BIT_0) { |
| flags |= BIT_0; |
| memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); |
| } |
| opcode = TX_ETHER_PKT; |
| if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
| skb_shinfo(skb)->gso_size > 0) { |
| |
| hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
| |
| first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); |
| first_desc->total_hdr_length = hdr_len; |
| |
| opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO; |
| |
| /* For LSO, we need to copy the MAC/IP/TCP headers into |
| * the descriptor ring */ |
| copied = 0; |
| offset = 2; |
| |
| if (flags & FLAGS_VLAN_OOB) { |
| first_desc->total_hdr_length += VLAN_HLEN; |
| first_desc->tcp_hdr_offset = VLAN_HLEN; |
| first_desc->ip_hdr_offset = VLAN_HLEN; |
| /* Only in case of TSO on vlan device */ |
| flags |= FLAGS_VLAN_TAGGED; |
| |
| /* Create a TSO vlan header template for firmware */ |
| |
| hwdesc = &tx_ring->desc_head[producer]; |
| tx_ring->cmd_buf_arr[producer].skb = NULL; |
| |
| copy_len = min((int)sizeof(struct cmd_desc_type0) - |
| offset, hdr_len + VLAN_HLEN); |
| |
| vh = (struct vlan_ethhdr *)((char *) hwdesc + 2); |
| skb_copy_from_linear_data(skb, vh, 12); |
| vh->h_vlan_proto = htons(ETH_P_8021Q); |
| vh->h_vlan_TCI = htons(vlan_tci); |
| |
| skb_copy_from_linear_data_offset(skb, 12, |
| (char *)vh + 16, copy_len - 16); |
| |
| copied = copy_len - VLAN_HLEN; |
| offset = 0; |
| |
| producer = get_next_index(producer, tx_ring->num_desc); |
| } |
| |
| while (copied < hdr_len) { |
| |
| copy_len = min((int)sizeof(struct cmd_desc_type0) - |
| offset, (hdr_len - copied)); |
| |
| hwdesc = &tx_ring->desc_head[producer]; |
| tx_ring->cmd_buf_arr[producer].skb = NULL; |
| |
| skb_copy_from_linear_data_offset(skb, copied, |
| (char *) hwdesc + offset, copy_len); |
| |
| copied += copy_len; |
| offset = 0; |
| |
| producer = get_next_index(producer, tx_ring->num_desc); |
| } |
| |
| tx_ring->producer = producer; |
| smp_mb(); |
| adapter->stats.lso_frames++; |
| |
| } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| u8 l4proto; |
| |
| if (protocol == ETH_P_IP) { |
| l4proto = ip_hdr(skb)->protocol; |
| |
| if (l4proto == IPPROTO_TCP) |
| opcode = TX_TCP_PKT; |
| else if (l4proto == IPPROTO_UDP) |
| opcode = TX_UDP_PKT; |
| } else if (protocol == ETH_P_IPV6) { |
| l4proto = ipv6_hdr(skb)->nexthdr; |
| |
| if (l4proto == IPPROTO_TCP) |
| opcode = TX_TCPV6_PKT; |
| else if (l4proto == IPPROTO_UDP) |
| opcode = TX_UDPV6_PKT; |
| } |
| } |
| first_desc->tcp_hdr_offset += skb_transport_offset(skb); |
| first_desc->ip_hdr_offset += skb_network_offset(skb); |
| qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_map_tx_skb(struct pci_dev *pdev, |
| struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) |
| { |
| struct qlcnic_skb_frag *nf; |
| struct skb_frag_struct *frag; |
| int i, nr_frags; |
| dma_addr_t map; |
| |
| nr_frags = skb_shinfo(skb)->nr_frags; |
| nf = &pbuf->frag_array[0]; |
| |
| map = pci_map_single(pdev, skb->data, |
| skb_headlen(skb), PCI_DMA_TODEVICE); |
| if (pci_dma_mapping_error(pdev, map)) |
| goto out_err; |
| |
| nf->dma = map; |
| nf->length = skb_headlen(skb); |
| |
| for (i = 0; i < nr_frags; i++) { |
| frag = &skb_shinfo(skb)->frags[i]; |
| nf = &pbuf->frag_array[i+1]; |
| |
| map = pci_map_page(pdev, frag->page, frag->page_offset, |
| frag->size, PCI_DMA_TODEVICE); |
| if (pci_dma_mapping_error(pdev, map)) |
| goto unwind; |
| |
| nf->dma = map; |
| nf->length = frag->size; |
| } |
| |
| return 0; |
| |
| unwind: |
| while (--i >= 0) { |
| nf = &pbuf->frag_array[i+1]; |
| pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
| } |
| |
| nf = &pbuf->frag_array[0]; |
| pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); |
| |
| out_err: |
| return -ENOMEM; |
| } |
| |
| static void |
| qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb, |
| struct qlcnic_cmd_buffer *pbuf) |
| { |
| struct qlcnic_skb_frag *nf = &pbuf->frag_array[0]; |
| int nr_frags = skb_shinfo(skb)->nr_frags; |
| int i; |
| |
| for (i = 0; i < nr_frags; i++) { |
| nf = &pbuf->frag_array[i+1]; |
| pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
| } |
| |
| nf = &pbuf->frag_array[0]; |
| pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); |
| pbuf->skb = NULL; |
| } |
| |
| static inline void |
| qlcnic_clear_cmddesc(u64 *desc) |
| { |
| desc[0] = 0ULL; |
| desc[2] = 0ULL; |
| desc[7] = 0ULL; |
| } |
| |
| netdev_tx_t |
| qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; |
| struct qlcnic_cmd_buffer *pbuf; |
| struct qlcnic_skb_frag *buffrag; |
| struct cmd_desc_type0 *hwdesc, *first_desc; |
| struct pci_dev *pdev; |
| struct ethhdr *phdr; |
| int delta = 0; |
| int i, k; |
| |
| u32 producer; |
| int frag_count; |
| u32 num_txd = tx_ring->num_desc; |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
| netif_stop_queue(netdev); |
| return NETDEV_TX_BUSY; |
| } |
| |
| if (adapter->flags & QLCNIC_MACSPOOF) { |
| phdr = (struct ethhdr *)skb->data; |
| if (compare_ether_addr(phdr->h_source, |
| adapter->mac_addr)) |
| goto drop_packet; |
| } |
| |
| frag_count = skb_shinfo(skb)->nr_frags + 1; |
| /* 14 frags supported for normal packet and |
| * 32 frags supported for TSO packet |
| */ |
| if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) { |
| |
| for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++) |
| delta += skb_shinfo(skb)->frags[i].size; |
| |
| if (!__pskb_pull_tail(skb, delta)) |
| goto drop_packet; |
| |
| frag_count = 1 + skb_shinfo(skb)->nr_frags; |
| } |
| |
| if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
| netif_stop_queue(netdev); |
| if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) |
| netif_start_queue(netdev); |
| else { |
| adapter->stats.xmit_off++; |
| return NETDEV_TX_BUSY; |
| } |
| } |
| |
| producer = tx_ring->producer; |
| pbuf = &tx_ring->cmd_buf_arr[producer]; |
| |
| pdev = adapter->pdev; |
| |
| first_desc = hwdesc = &tx_ring->desc_head[producer]; |
| qlcnic_clear_cmddesc((u64 *)hwdesc); |
| |
| if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { |
| adapter->stats.tx_dma_map_error++; |
| goto drop_packet; |
| } |
| |
| pbuf->skb = skb; |
| pbuf->frag_count = frag_count; |
| |
| qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); |
| qlcnic_set_tx_port(first_desc, adapter->portnum); |
| |
| for (i = 0; i < frag_count; i++) { |
| |
| k = i % 4; |
| |
| if ((k == 0) && (i > 0)) { |
| /* move to next desc.*/ |
| producer = get_next_index(producer, num_txd); |
| hwdesc = &tx_ring->desc_head[producer]; |
| qlcnic_clear_cmddesc((u64 *)hwdesc); |
| tx_ring->cmd_buf_arr[producer].skb = NULL; |
| } |
| |
| buffrag = &pbuf->frag_array[i]; |
| |
| hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
| switch (k) { |
| case 0: |
| hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
| break; |
| case 1: |
| hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
| break; |
| case 2: |
| hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
| break; |
| case 3: |
| hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
| break; |
| } |
| } |
| |
| tx_ring->producer = get_next_index(producer, num_txd); |
| smp_mb(); |
| |
| if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb))) |
| goto unwind_buff; |
| |
| if (qlcnic_mac_learn) |
| qlcnic_send_filter(adapter, tx_ring, first_desc, skb); |
| |
| qlcnic_update_cmd_producer(adapter, tx_ring); |
| |
| adapter->stats.txbytes += skb->len; |
| adapter->stats.xmitcalled++; |
| |
| return NETDEV_TX_OK; |
| |
| unwind_buff: |
| qlcnic_unmap_buffers(pdev, skb, pbuf); |
| drop_packet: |
| adapter->stats.txdropped++; |
| dev_kfree_skb_any(skb); |
| return NETDEV_TX_OK; |
| } |
| |
| static int qlcnic_check_temp(struct qlcnic_adapter *adapter) |
| { |
| struct net_device *netdev = adapter->netdev; |
| u32 temp, temp_state, temp_val; |
| int rv = 0; |
| |
| temp = QLCRD32(adapter, CRB_TEMP_STATE); |
| |
| temp_state = qlcnic_get_temp_state(temp); |
| temp_val = qlcnic_get_temp_val(temp); |
| |
| if (temp_state == QLCNIC_TEMP_PANIC) { |
| dev_err(&netdev->dev, |
| "Device temperature %d degrees C exceeds" |
| " maximum allowed. Hardware has been shut down.\n", |
| temp_val); |
| rv = 1; |
| } else if (temp_state == QLCNIC_TEMP_WARN) { |
| if (adapter->temp == QLCNIC_TEMP_NORMAL) { |
| dev_err(&netdev->dev, |
| "Device temperature %d degrees C " |
| "exceeds operating range." |
| " Immediate action needed.\n", |
| temp_val); |
| } |
| } else { |
| if (adapter->temp == QLCNIC_TEMP_WARN) { |
| dev_info(&netdev->dev, |
| "Device temperature is now %d degrees C" |
| " in normal range.\n", temp_val); |
| } |
| } |
| adapter->temp = temp_state; |
| return rv; |
| } |
| |
| void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) |
| { |
| struct net_device *netdev = adapter->netdev; |
| |
| if (adapter->ahw->linkup && !linkup) { |
| netdev_info(netdev, "NIC Link is down\n"); |
| adapter->ahw->linkup = 0; |
| if (netif_running(netdev)) { |
| netif_carrier_off(netdev); |
| netif_stop_queue(netdev); |
| } |
| } else if (!adapter->ahw->linkup && linkup) { |
| netdev_info(netdev, "NIC Link is up\n"); |
| adapter->ahw->linkup = 1; |
| if (netif_running(netdev)) { |
| netif_carrier_on(netdev); |
| netif_wake_queue(netdev); |
| } |
| } |
| } |
| |
| static void qlcnic_tx_timeout(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return; |
| |
| dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
| |
| if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) |
| adapter->need_fw_reset = 1; |
| else |
| adapter->reset_context = 1; |
| } |
| |
| static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct net_device_stats *stats = &netdev->stats; |
| |
| stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
| stats->tx_packets = adapter->stats.xmitfinished; |
| stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; |
| stats->tx_bytes = adapter->stats.txbytes; |
| stats->rx_dropped = adapter->stats.rxdropped; |
| stats->tx_dropped = adapter->stats.txdropped; |
| |
| return stats; |
| } |
| |
| static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) |
| { |
| u32 status; |
| |
| status = readl(adapter->isr_int_vec); |
| |
| if (!(status & adapter->int_vec_bit)) |
| return IRQ_NONE; |
| |
| /* check interrupt state machine, to be sure */ |
| status = readl(adapter->crb_int_state_reg); |
| if (!ISR_LEGACY_INT_TRIGGERED(status)) |
| return IRQ_NONE; |
| |
| writel(0xffffffff, adapter->tgt_status_reg); |
| /* read twice to ensure write is flushed */ |
| readl(adapter->isr_int_vec); |
| readl(adapter->isr_int_vec); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_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; |
| else if (adapter->flags & QLCNIC_MSI_ENABLED) { |
| writel(0xffffffff, adapter->tgt_status_reg); |
| goto done; |
| } |
| |
| if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) |
| return IRQ_NONE; |
| |
| done: |
| adapter->diag_cnt++; |
| qlcnic_enable_int(sds_ring); |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) |
| return IRQ_NONE; |
| |
| napi_schedule(&sds_ring->napi); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_msi_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| /* clear interrupt */ |
| writel(0xffffffff, adapter->tgt_status_reg); |
| |
| napi_schedule(&sds_ring->napi); |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_msix_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| |
| napi_schedule(&sds_ring->napi); |
| return IRQ_HANDLED; |
| } |
| |
| static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) |
| { |
| u32 sw_consumer, hw_consumer; |
| int count = 0, i; |
| struct qlcnic_cmd_buffer *buffer; |
| struct pci_dev *pdev = adapter->pdev; |
| struct net_device *netdev = adapter->netdev; |
| struct qlcnic_skb_frag *frag; |
| int done; |
| struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; |
| |
| if (!spin_trylock(&adapter->tx_clean_lock)) |
| return 1; |
| |
| sw_consumer = tx_ring->sw_consumer; |
| hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); |
| |
| while (sw_consumer != hw_consumer) { |
| buffer = &tx_ring->cmd_buf_arr[sw_consumer]; |
| if (buffer->skb) { |
| frag = &buffer->frag_array[0]; |
| pci_unmap_single(pdev, frag->dma, frag->length, |
| PCI_DMA_TODEVICE); |
| frag->dma = 0ULL; |
| for (i = 1; i < buffer->frag_count; i++) { |
| frag++; |
| pci_unmap_page(pdev, frag->dma, frag->length, |
| PCI_DMA_TODEVICE); |
| frag->dma = 0ULL; |
| } |
| |
| adapter->stats.xmitfinished++; |
| dev_kfree_skb_any(buffer->skb); |
| buffer->skb = NULL; |
| } |
| |
| sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); |
| if (++count >= MAX_STATUS_HANDLE) |
| break; |
| } |
| |
| if (count && netif_running(netdev)) { |
| tx_ring->sw_consumer = sw_consumer; |
| |
| smp_mb(); |
| |
| if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { |
| if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { |
| netif_wake_queue(netdev); |
| adapter->stats.xmit_on++; |
| } |
| } |
| adapter->tx_timeo_cnt = 0; |
| } |
| /* |
| * If everything is freed up to consumer then check if the ring is full |
| * If the ring is full then check if more needs to be freed and |
| * schedule the call back again. |
| * |
| * This happens when there are 2 CPUs. One could be freeing and the |
| * other filling it. If the ring is full when we get out of here and |
| * the card has already interrupted the host then the host can miss the |
| * interrupt. |
| * |
| * There is still a possible race condition and the host could miss an |
| * interrupt. The card has to take care of this. |
| */ |
| hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); |
| done = (sw_consumer == hw_consumer); |
| spin_unlock(&adapter->tx_clean_lock); |
| |
| return done; |
| } |
| |
| static int qlcnic_poll(struct napi_struct *napi, int budget) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = |
| container_of(napi, struct qlcnic_host_sds_ring, napi); |
| |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| int tx_complete; |
| int work_done; |
| |
| tx_complete = qlcnic_process_cmd_ring(adapter); |
| |
| work_done = qlcnic_process_rcv_ring(sds_ring, budget); |
| |
| if ((work_done < budget) && tx_complete) { |
| napi_complete(&sds_ring->napi); |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| qlcnic_enable_int(sds_ring); |
| } |
| |
| return work_done; |
| } |
| |
| static int qlcnic_rx_poll(struct napi_struct *napi, int budget) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = |
| container_of(napi, struct qlcnic_host_sds_ring, napi); |
| |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| int work_done; |
| |
| work_done = qlcnic_process_rcv_ring(sds_ring, budget); |
| |
| if (work_done < budget) { |
| napi_complete(&sds_ring->napi); |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| qlcnic_enable_int(sds_ring); |
| } |
| |
| return work_done; |
| } |
| |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| static void qlcnic_poll_controller(struct net_device *netdev) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| disable_irq(adapter->irq); |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| qlcnic_intr(adapter->irq, sds_ring); |
| } |
| enable_irq(adapter->irq); |
| } |
| #endif |
| |
| static void |
| qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) |
| { |
| u32 val; |
| |
| val = adapter->portnum & 0xf; |
| val |= encoding << 7; |
| val |= (jiffies - adapter->dev_rst_time) << 8; |
| |
| QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); |
| adapter->dev_rst_time = jiffies; |
| } |
| |
| static int |
| qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) |
| { |
| u32 val; |
| |
| WARN_ON(state != QLCNIC_DEV_NEED_RESET && |
| state != QLCNIC_DEV_NEED_QUISCENT); |
| |
| if (qlcnic_api_lock(adapter)) |
| return -EIO; |
| |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| |
| if (state == QLCNIC_DEV_NEED_RESET) |
| QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
| else if (state == QLCNIC_DEV_NEED_QUISCENT) |
| QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
| |
| QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| qlcnic_api_unlock(adapter); |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) |
| { |
| u32 val; |
| |
| if (qlcnic_api_lock(adapter)) |
| return -EBUSY; |
| |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| qlcnic_api_unlock(adapter); |
| |
| return 0; |
| } |
| |
| static void |
| qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) |
| { |
| u32 val; |
| |
| if (qlcnic_api_lock(adapter)) |
| goto err; |
| |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
| |
| if (failed) { |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); |
| dev_info(&adapter->pdev->dev, |
| "Device state set to Failed. Please Reboot\n"); |
| } else if (!(val & 0x11111111)) |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); |
| |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| qlcnic_api_unlock(adapter); |
| err: |
| adapter->fw_fail_cnt = 0; |
| clear_bit(__QLCNIC_START_FW, &adapter->state); |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| } |
| |
| /* Grab api lock, before checking state */ |
| static int |
| qlcnic_check_drv_state(struct qlcnic_adapter *adapter) |
| { |
| int act, state, active_mask; |
| |
| state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| |
| if (adapter->flags & QLCNIC_FW_RESET_OWNER) { |
| active_mask = (~(1 << (adapter->ahw->pci_func * 4))); |
| act = act & active_mask; |
| } |
| |
| if (((state & 0x11111111) == (act & 0x11111111)) || |
| ((act & 0x11111111) == ((state >> 1) & 0x11111111))) |
| return 0; |
| else |
| return 1; |
| } |
| |
| static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) |
| { |
| u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); |
| |
| if (val != QLCNIC_DRV_IDC_VER) { |
| dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" |
| " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) |
| { |
| u32 val, prev_state; |
| u8 dev_init_timeo = adapter->dev_init_timeo; |
| u8 portnum = adapter->portnum; |
| u8 ret; |
| |
| if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
| return 1; |
| |
| if (qlcnic_api_lock(adapter)) |
| return -1; |
| |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| if (!(val & (1 << (portnum * 4)))) { |
| QLC_DEV_SET_REF_CNT(val, portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
| } |
| |
| prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
| |
| switch (prev_state) { |
| case QLCNIC_DEV_COLD: |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); |
| qlcnic_idc_debug_info(adapter, 0); |
| qlcnic_api_unlock(adapter); |
| return 1; |
| |
| case QLCNIC_DEV_READY: |
| ret = qlcnic_check_idc_ver(adapter); |
| qlcnic_api_unlock(adapter); |
| return ret; |
| |
| case QLCNIC_DEV_NEED_RESET: |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_SET_RST_RDY(val, portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| break; |
| |
| case QLCNIC_DEV_NEED_QUISCENT: |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_SET_QSCNT_RDY(val, portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| break; |
| |
| case QLCNIC_DEV_FAILED: |
| dev_err(&adapter->pdev->dev, "Device in failed state.\n"); |
| qlcnic_api_unlock(adapter); |
| return -1; |
| |
| case QLCNIC_DEV_INITIALIZING: |
| case QLCNIC_DEV_QUISCENT: |
| break; |
| } |
| |
| qlcnic_api_unlock(adapter); |
| |
| do { |
| msleep(1000); |
| prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| |
| if (prev_state == QLCNIC_DEV_QUISCENT) |
| continue; |
| } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); |
| |
| if (!dev_init_timeo) { |
| dev_err(&adapter->pdev->dev, |
| "Waiting for device to initialize timeout\n"); |
| return -1; |
| } |
| |
| if (qlcnic_api_lock(adapter)) |
| return -1; |
| |
| val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_CLR_RST_QSCNT(val, portnum); |
| QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| ret = qlcnic_check_idc_ver(adapter); |
| qlcnic_api_unlock(adapter); |
| |
| return ret; |
| } |
| |
| static void |
| qlcnic_fwinit_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| u32 dev_state = 0xf; |
| |
| if (qlcnic_api_lock(adapter)) |
| goto err_ret; |
| |
| dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| if (dev_state == QLCNIC_DEV_QUISCENT || |
| dev_state == QLCNIC_DEV_NEED_QUISCENT) { |
| qlcnic_api_unlock(adapter); |
| qlcnic_schedule_work(adapter, qlcnic_fwinit_work, |
| FW_POLL_DELAY * 2); |
| return; |
| } |
| |
| if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { |
| qlcnic_api_unlock(adapter); |
| goto wait_npar; |
| } |
| |
| if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
| dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", |
| adapter->reset_ack_timeo); |
| goto skip_ack_check; |
| } |
| |
| if (!qlcnic_check_drv_state(adapter)) { |
| skip_ack_check: |
| if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { |
| qlcnic_api_unlock(adapter); |
| goto wait_npar; |
| } |
| |
| dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| |
| if (dev_state == QLCNIC_DEV_NEED_RESET) { |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_INITIALIZING); |
| set_bit(__QLCNIC_START_FW, &adapter->state); |
| QLCDB(adapter, DRV, "Restarting fw\n"); |
| qlcnic_idc_debug_info(adapter, 0); |
| } |
| |
| qlcnic_api_unlock(adapter); |
| |
| rtnl_lock(); |
| if (adapter->ahw->fw_dump.enable) { |
| QLCDB(adapter, DRV, "Take FW dump\n"); |
| qlcnic_dump_fw(adapter); |
| adapter->flags &= ~QLCNIC_FW_RESET_OWNER; |
| } |
| rtnl_unlock(); |
| if (!adapter->nic_ops->start_firmware(adapter)) { |
| qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
| adapter->fw_wait_cnt = 0; |
| return; |
| } |
| goto err_ret; |
| } |
| |
| qlcnic_api_unlock(adapter); |
| |
| wait_npar: |
| dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
| |
| switch (dev_state) { |
| case QLCNIC_DEV_READY: |
| if (!adapter->nic_ops->start_firmware(adapter)) { |
| qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
| adapter->fw_wait_cnt = 0; |
| return; |
| } |
| case QLCNIC_DEV_FAILED: |
| break; |
| default: |
| qlcnic_schedule_work(adapter, |
| qlcnic_fwinit_work, FW_POLL_DELAY); |
| return; |
| } |
| |
| err_ret: |
| dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
| "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); |
| netif_device_attach(adapter->netdev); |
| qlcnic_clr_all_drv_state(adapter, 0); |
| } |
| |
| static void |
| qlcnic_detach_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| struct net_device *netdev = adapter->netdev; |
| u32 status; |
| |
| netif_device_detach(netdev); |
| |
| /* Dont grab rtnl lock during Quiscent mode */ |
| if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| } else |
| qlcnic_down(adapter, netdev); |
| |
| status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
| |
| if (status & QLCNIC_RCODE_FATAL_ERROR) |
| goto err_ret; |
| |
| if (adapter->temp == QLCNIC_TEMP_PANIC) |
| goto err_ret; |
| /* Dont ack if this instance is the reset owner */ |
| if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { |
| if (qlcnic_set_drv_state(adapter, adapter->dev_state)) |
| goto err_ret; |
| } |
| |
| adapter->fw_wait_cnt = 0; |
| |
| qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); |
| |
| return; |
| |
| err_ret: |
| dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", |
| status, adapter->temp); |
| netif_device_attach(netdev); |
| qlcnic_clr_all_drv_state(adapter, 1); |
| } |
| |
| /*Transit NPAR state to NON Operational */ |
| static void |
| qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) |
| { |
| u32 state; |
| |
| state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); |
| if (state == QLCNIC_DEV_NPAR_NON_OPER) |
| return; |
| |
| if (qlcnic_api_lock(adapter)) |
| return; |
| QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); |
| qlcnic_api_unlock(adapter); |
| } |
| |
| /*Transit to RESET state from READY state only */ |
| void |
| qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) |
| { |
| u32 state; |
| |
| adapter->need_fw_reset = 1; |
| if (qlcnic_api_lock(adapter)) |
| return; |
| |
| state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| |
| if (state == QLCNIC_DEV_READY) { |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); |
| adapter->flags |= QLCNIC_FW_RESET_OWNER; |
| QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
| qlcnic_idc_debug_info(adapter, 0); |
| } |
| |
| QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); |
| qlcnic_api_unlock(adapter); |
| } |
| |
| /* Transit to NPAR READY state from NPAR NOT READY state */ |
| static void |
| qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) |
| { |
| if (qlcnic_api_lock(adapter)) |
| return; |
| |
| QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER); |
| QLCDB(adapter, DRV, "NPAR operational state set\n"); |
| |
| qlcnic_api_unlock(adapter); |
| } |
| |
| static void |
| qlcnic_schedule_work(struct qlcnic_adapter *adapter, |
| work_func_t func, int delay) |
| { |
| if (test_bit(__QLCNIC_AER, &adapter->state)) |
| return; |
| |
| INIT_DELAYED_WORK(&adapter->fw_work, func); |
| queue_delayed_work(qlcnic_wq, &adapter->fw_work, |
| round_jiffies_relative(delay)); |
| } |
| |
| static void |
| qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) |
| { |
| while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| msleep(10); |
| |
| cancel_delayed_work_sync(&adapter->fw_work); |
| } |
| |
| static void |
| qlcnic_attach_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| struct net_device *netdev = adapter->netdev; |
| u32 npar_state; |
| |
| if (adapter->op_mode != QLCNIC_MGMT_FUNC) { |
| npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); |
| if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) |
| qlcnic_clr_all_drv_state(adapter, 0); |
| else if (npar_state != QLCNIC_DEV_NPAR_OPER) |
| qlcnic_schedule_work(adapter, qlcnic_attach_work, |
| FW_POLL_DELAY); |
| else |
| goto attach; |
| QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); |
| return; |
| } |
| attach: |
| if (netif_running(netdev)) { |
| if (qlcnic_up(adapter, netdev)) |
| goto done; |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| |
| done: |
| netif_device_attach(netdev); |
| adapter->fw_fail_cnt = 0; |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| if (!qlcnic_clr_drv_state(adapter)) |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, |
| FW_POLL_DELAY); |
| } |
| |
| static int |
| qlcnic_check_health(struct qlcnic_adapter *adapter) |
| { |
| u32 state = 0, heartbeat; |
| struct net_device *netdev = adapter->netdev; |
| |
| if (qlcnic_check_temp(adapter)) |
| goto detach; |
| |
| if (adapter->need_fw_reset) |
| qlcnic_dev_request_reset(adapter); |
| |
| state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
| if (state == QLCNIC_DEV_NEED_RESET) { |
| qlcnic_set_npar_non_operational(adapter); |
| adapter->need_fw_reset = 1; |
| } else if (state == QLCNIC_DEV_NEED_QUISCENT) |
| goto detach; |
| |
| heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
| if (heartbeat != adapter->heartbeat) { |
| adapter->heartbeat = heartbeat; |
| adapter->fw_fail_cnt = 0; |
| if (adapter->need_fw_reset) |
| goto detach; |
| |
| if (adapter->reset_context && auto_fw_reset) { |
| qlcnic_reset_hw_context(adapter); |
| adapter->netdev->trans_start = jiffies; |
| } |
| |
| return 0; |
| } |
| |
| if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) |
| return 0; |
| |
| qlcnic_dev_request_reset(adapter); |
| |
| if (auto_fw_reset) |
| clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); |
| |
| dev_info(&netdev->dev, "firmware hang detected\n"); |
| |
| detach: |
| adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : |
| QLCNIC_DEV_NEED_RESET; |
| |
| if (auto_fw_reset && |
| !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { |
| |
| qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
| QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
| } |
| |
| return 1; |
| } |
| |
| static void |
| qlcnic_fw_poll_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| goto reschedule; |
| |
| |
| if (qlcnic_check_health(adapter)) |
| return; |
| |
| if (adapter->fhash.fnum) |
| qlcnic_prune_lb_filters(adapter); |
| |
| reschedule: |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); |
| } |
| |
| static int qlcnic_is_first_func(struct pci_dev *pdev) |
| { |
| struct pci_dev *oth_pdev; |
| int val = pdev->devfn; |
| |
| while (val-- > 0) { |
| oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr |
| (pdev->bus), pdev->bus->number, |
| PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); |
| if (!oth_pdev) |
| continue; |
| |
| if (oth_pdev->current_state != PCI_D3cold) { |
| pci_dev_put(oth_pdev); |
| return 0; |
| } |
| pci_dev_put(oth_pdev); |
| } |
| return 1; |
| } |
| |
| static int qlcnic_attach_func(struct pci_dev *pdev) |
| { |
| int err, first_func; |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| |
| pdev->error_state = pci_channel_io_normal; |
| |
| err = pci_enable_device(pdev); |
| if (err) |
| return err; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| |
| first_func = qlcnic_is_first_func(pdev); |
| |
| if (qlcnic_api_lock(adapter)) |
| return -EINVAL; |
| |
| if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { |
| adapter->need_fw_reset = 1; |
| set_bit(__QLCNIC_START_FW, &adapter->state); |
| QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
| QLCDB(adapter, DRV, "Restarting fw\n"); |
| } |
| qlcnic_api_unlock(adapter); |
| |
| err = adapter->nic_ops->start_firmware(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_clr_drv_state(adapter); |
| qlcnic_setup_intr(adapter); |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_attach(adapter); |
| if (err) { |
| qlcnic_clr_all_drv_state(adapter, 1); |
| clear_bit(__QLCNIC_AER, &adapter->state); |
| netif_device_attach(netdev); |
| return err; |
| } |
| |
| err = qlcnic_up(adapter, netdev); |
| if (err) |
| goto done; |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| done: |
| netif_device_attach(netdev); |
| return err; |
| } |
| |
| static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, |
| pci_channel_state_t state) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| |
| 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); |
| netif_device_detach(netdev); |
| |
| cancel_delayed_work_sync(&adapter->fw_work); |
| |
| if (netif_running(netdev)) |
| qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| qlcnic_teardown_intr(adapter); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| pci_save_state(pdev); |
| pci_disable_device(pdev); |
| |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) |
| { |
| return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : |
| PCI_ERS_RESULT_RECOVERED; |
| } |
| |
| static void qlcnic_io_resume(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| |
| pci_cleanup_aer_uncorrect_error_status(pdev); |
| |
| if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY && |
| test_and_clear_bit(__QLCNIC_AER, &adapter->state)) |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, |
| FW_POLL_DELAY); |
| } |
| |
| static int |
| qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| |
| err = qlcnic_can_start_firmware(adapter); |
| if (err) |
| return err; |
| |
| err = qlcnic_check_npar_opertional(adapter); |
| if (err) |
| return err; |
| |
| err = qlcnic_initialize_nic(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_check_options(adapter); |
| |
| err = qlcnic_set_eswitch_port_config(adapter); |
| if (err) |
| return err; |
| |
| adapter->need_fw_reset = 0; |
| |
| return err; |
| } |
| |
| static int |
| qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) |
| { |
| return -EOPNOTSUPP; |
| } |
| |
| static int |
| qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) |
| { |
| return -EOPNOTSUPP; |
| } |
| |
| static ssize_t |
| qlcnic_store_bridged_mode(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t len) |
| { |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| unsigned long new; |
| int ret = -EINVAL; |
| |
| if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) |
| goto err_out; |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| goto err_out; |
| |
| if (strict_strtoul(buf, 2, &new)) |
| goto err_out; |
| |
| if (!adapter->nic_ops->config_bridged_mode(adapter, !!new)) |
| ret = len; |
| |
| err_out: |
| return ret; |
| } |
| |
| static ssize_t |
| qlcnic_show_bridged_mode(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| int bridged_mode = 0; |
| |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) |
| bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); |
| |
| return sprintf(buf, "%d\n", bridged_mode); |
| } |
| |
| static struct device_attribute dev_attr_bridged_mode = { |
| .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, |
| .show = qlcnic_show_bridged_mode, |
| .store = qlcnic_store_bridged_mode, |
| }; |
| |
| static ssize_t |
| qlcnic_store_diag_mode(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t len) |
| { |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| unsigned long new; |
| |
| if (strict_strtoul(buf, 2, &new)) |
| return -EINVAL; |
| |
| if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
| adapter->flags ^= QLCNIC_DIAG_ENABLED; |
| |
| return len; |
| } |
| |
| static ssize_t |
| qlcnic_show_diag_mode(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| |
| return sprintf(buf, "%d\n", |
| !!(adapter->flags & QLCNIC_DIAG_ENABLED)); |
| } |
| |
| static struct device_attribute dev_attr_diag_mode = { |
| .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, |
| .show = qlcnic_show_diag_mode, |
| .store = qlcnic_store_diag_mode, |
| }; |
| |
| int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val) |
| { |
| if (!use_msi_x && !use_msi) { |
| netdev_info(netdev, "no msix or msi support, hence no rss\n"); |
| return -EINVAL; |
| } |
| |
| if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) { |
| netdev_info(netdev, "rss_ring valid range [2 - %x] in " |
| " powers of 2\n", max_hw); |
| return -EINVAL; |
| } |
| return 0; |
| |
| } |
| |
| int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data) |
| { |
| struct net_device *netdev = adapter->netdev; |
| int err = 0; |
| |
| if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return -EBUSY; |
| |
| netif_device_detach(netdev); |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| qlcnic_detach(adapter); |
| qlcnic_teardown_intr(adapter); |
| |
| if (qlcnic_enable_msix(adapter, data)) { |
| netdev_info(netdev, "failed setting max_rss; rss disabled\n"); |
| qlcnic_enable_msi_legacy(adapter); |
| } |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_attach(adapter); |
| if (err) |
| goto done; |
| err = __qlcnic_up(adapter, netdev); |
| if (err) |
| goto done; |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| done: |
| netif_device_attach(netdev); |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| return err; |
| } |
| |
| static int |
| qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, |
| loff_t offset, size_t size) |
| { |
| size_t crb_size = 4; |
| |
| if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
| return -EIO; |
| |
| if (offset < QLCNIC_PCI_CRBSPACE) { |
| if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, |
| QLCNIC_PCI_CAMQM_END)) |
| crb_size = 8; |
| else |
| return -EINVAL; |
| } |
| |
| if ((size != crb_size) || (offset & (crb_size-1))) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *attr, |
| char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| u32 data; |
| u64 qmdata; |
| int ret; |
| |
| ret = qlcnic_sysfs_validate_crb(adapter, offset, size); |
| if (ret != 0) |
| return ret; |
| |
| if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
| qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); |
| memcpy(buf, &qmdata, size); |
| } else { |
| data = QLCRD32(adapter, offset); |
| memcpy(buf, &data, size); |
| } |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *attr, |
| char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| u32 data; |
| u64 qmdata; |
| int ret; |
| |
| ret = qlcnic_sysfs_validate_crb(adapter, offset, size); |
| if (ret != 0) |
| return ret; |
| |
| if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
| memcpy(&qmdata, buf, size); |
| qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); |
| } else { |
| memcpy(&data, buf, size); |
| QLCWR32(adapter, offset, data); |
| } |
| return size; |
| } |
| |
| static int |
| qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, |
| loff_t offset, size_t size) |
| { |
| if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
| return -EIO; |
| |
| if ((size != 8) || (offset & 0x7)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *attr, |
| char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| u64 data; |
| int ret; |
| |
| ret = qlcnic_sysfs_validate_mem(adapter, offset, size); |
| if (ret != 0) |
| return ret; |
| |
| if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) |
| return -EIO; |
| |
| memcpy(buf, &data, size); |
| |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *attr, |
| char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| u64 data; |
| int ret; |
| |
| ret = qlcnic_sysfs_validate_mem(adapter, offset, size); |
| if (ret != 0) |
| return ret; |
| |
| memcpy(&data, buf, size); |
| |
| if (qlcnic_pci_mem_write_2M(adapter, offset, data)) |
| return -EIO; |
| |
| return size; |
| } |
| |
| static struct bin_attribute bin_attr_crb = { |
| .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_read_crb, |
| .write = qlcnic_sysfs_write_crb, |
| }; |
| |
| static struct bin_attribute bin_attr_mem = { |
| .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_read_mem, |
| .write = qlcnic_sysfs_write_mem, |
| }; |
| |
| static int |
| validate_pm_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_pm_func_cfg *pm_cfg, int count) |
| { |
| |
| u8 src_pci_func, s_esw_id, d_esw_id; |
| u8 dest_pci_func; |
| int i; |
| |
| for (i = 0; i < count; i++) { |
| src_pci_func = pm_cfg[i].pci_func; |
| dest_pci_func = pm_cfg[i].dest_npar; |
| if (src_pci_func >= QLCNIC_MAX_PCI_FUNC |
| || dest_pci_func >= QLCNIC_MAX_PCI_FUNC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| s_esw_id = adapter->npars[src_pci_func].phy_port; |
| d_esw_id = adapter->npars[dest_pci_func].phy_port; |
| |
| if (s_esw_id != d_esw_id) |
| return QL_STATUS_INVALID_PARAM; |
| |
| } |
| return 0; |
| |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_pm_func_cfg *pm_cfg; |
| u32 id, action, pci_func; |
| int count, rem, i, ret; |
| |
| count = size / sizeof(struct qlcnic_pm_func_cfg); |
| rem = size % sizeof(struct qlcnic_pm_func_cfg); |
| if (rem) |
| return QL_STATUS_INVALID_PARAM; |
| |
| pm_cfg = (struct qlcnic_pm_func_cfg *) buf; |
| |
| ret = validate_pm_config(adapter, pm_cfg, count); |
| if (ret) |
| return ret; |
| for (i = 0; i < count; i++) { |
| pci_func = pm_cfg[i].pci_func; |
| action = !!pm_cfg[i].action; |
| id = adapter->npars[pci_func].phy_port; |
| ret = qlcnic_config_port_mirroring(adapter, id, |
| action, pci_func); |
| if (ret) |
| return ret; |
| } |
| |
| for (i = 0; i < count; i++) { |
| pci_func = pm_cfg[i].pci_func; |
| id = adapter->npars[pci_func].phy_port; |
| adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action; |
| adapter->npars[pci_func].dest_npar = id; |
| } |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; |
| int i; |
| |
| if (size != sizeof(pm_cfg)) |
| return QL_STATUS_INVALID_PARAM; |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| if (adapter->npars[i].type != QLCNIC_TYPE_NIC) |
| continue; |
| pm_cfg[i].action = adapter->npars[i].enable_pm; |
| pm_cfg[i].dest_npar = 0; |
| pm_cfg[i].pci_func = i; |
| } |
| memcpy(buf, &pm_cfg, size); |
| |
| return size; |
| } |
| |
| static int |
| validate_esw_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg, int count) |
| { |
| u32 op_mode; |
| u8 pci_func; |
| int i; |
| |
| op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE); |
| |
| for (i = 0; i < count; i++) { |
| pci_func = esw_cfg[i].pci_func; |
| if (pci_func >= QLCNIC_MAX_PCI_FUNC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
| if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| switch (esw_cfg[i].op_mode) { |
| case QLCNIC_PORT_DEFAULTS: |
| if (QLC_DEV_GET_DRV(op_mode, pci_func) != |
| QLCNIC_NON_PRIV_FUNC) { |
| if (esw_cfg[i].mac_anti_spoof != 0) |
| return QL_STATUS_INVALID_PARAM; |
| if (esw_cfg[i].mac_override != 1) |
| return QL_STATUS_INVALID_PARAM; |
| if (esw_cfg[i].promisc_mode != 1) |
| return QL_STATUS_INVALID_PARAM; |
| } |
| break; |
| case QLCNIC_ADD_VLAN: |
| if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) |
| return QL_STATUS_INVALID_PARAM; |
| if (!esw_cfg[i].op_type) |
| return QL_STATUS_INVALID_PARAM; |
| break; |
| case QLCNIC_DEL_VLAN: |
| if (!esw_cfg[i].op_type) |
| return QL_STATUS_INVALID_PARAM; |
| break; |
| default: |
| return QL_STATUS_INVALID_PARAM; |
| } |
| } |
| return 0; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_esw_func_cfg *esw_cfg; |
| struct qlcnic_npar_info *npar; |
| int count, rem, i, ret; |
| u8 pci_func, op_mode = 0; |
| |
| count = size / sizeof(struct qlcnic_esw_func_cfg); |
| rem = size % sizeof(struct qlcnic_esw_func_cfg); |
| if (rem) |
| return QL_STATUS_INVALID_PARAM; |
| |
| esw_cfg = (struct qlcnic_esw_func_cfg *) buf; |
| ret = validate_esw_config(adapter, esw_cfg, count); |
| if (ret) |
| return ret; |
| |
| for (i = 0; i < count; i++) { |
| if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
| if (qlcnic_config_switch_port(adapter, &esw_cfg[i])) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (adapter->ahw->pci_func != esw_cfg[i].pci_func) |
| continue; |
| |
| op_mode = esw_cfg[i].op_mode; |
| qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]); |
| esw_cfg[i].op_mode = op_mode; |
| esw_cfg[i].pci_func = adapter->ahw->pci_func; |
| |
| switch (esw_cfg[i].op_mode) { |
| case QLCNIC_PORT_DEFAULTS: |
| qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]); |
| break; |
| case QLCNIC_ADD_VLAN: |
| qlcnic_set_vlan_config(adapter, &esw_cfg[i]); |
| break; |
| case QLCNIC_DEL_VLAN: |
| esw_cfg[i].vlan_id = 0; |
| qlcnic_set_vlan_config(adapter, &esw_cfg[i]); |
| break; |
| } |
| } |
| |
| if (adapter->op_mode != QLCNIC_MGMT_FUNC) |
| goto out; |
| |
| for (i = 0; i < count; i++) { |
| pci_func = esw_cfg[i].pci_func; |
| npar = &adapter->npars[pci_func]; |
| switch (esw_cfg[i].op_mode) { |
| case QLCNIC_PORT_DEFAULTS: |
| npar->promisc_mode = esw_cfg[i].promisc_mode; |
| npar->mac_override = esw_cfg[i].mac_override; |
| npar->offload_flags = esw_cfg[i].offload_flags; |
| npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof; |
| npar->discard_tagged = esw_cfg[i].discard_tagged; |
| break; |
| case QLCNIC_ADD_VLAN: |
| npar->pvid = esw_cfg[i].vlan_id; |
| break; |
| case QLCNIC_DEL_VLAN: |
| npar->pvid = 0; |
| break; |
| } |
| } |
| out: |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; |
| u8 i; |
| |
| if (size != sizeof(esw_cfg)) |
| return QL_STATUS_INVALID_PARAM; |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| if (adapter->npars[i].type != QLCNIC_TYPE_NIC) |
| continue; |
| esw_cfg[i].pci_func = i; |
| if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i])) |
| return QL_STATUS_INVALID_PARAM; |
| } |
| memcpy(buf, &esw_cfg, size); |
| |
| return size; |
| } |
| |
| static int |
| validate_npar_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_npar_func_cfg *np_cfg, int count) |
| { |
| u8 pci_func, i; |
| |
| for (i = 0; i < count; i++) { |
| pci_func = np_cfg[i].pci_func; |
| if (pci_func >= QLCNIC_MAX_PCI_FUNC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (!IS_VALID_BW(np_cfg[i].min_bw) || |
| !IS_VALID_BW(np_cfg[i].max_bw)) |
| return QL_STATUS_INVALID_PARAM; |
| } |
| return 0; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_info nic_info; |
| struct qlcnic_npar_func_cfg *np_cfg; |
| int i, count, rem, ret; |
| u8 pci_func; |
| |
| count = size / sizeof(struct qlcnic_npar_func_cfg); |
| rem = size % sizeof(struct qlcnic_npar_func_cfg); |
| if (rem) |
| return QL_STATUS_INVALID_PARAM; |
| |
| np_cfg = (struct qlcnic_npar_func_cfg *) buf; |
| ret = validate_npar_config(adapter, np_cfg, count); |
| if (ret) |
| return ret; |
| |
| for (i = 0; i < count ; i++) { |
| pci_func = np_cfg[i].pci_func; |
| ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); |
| if (ret) |
| return ret; |
| nic_info.pci_func = pci_func; |
| nic_info.min_tx_bw = np_cfg[i].min_bw; |
| nic_info.max_tx_bw = np_cfg[i].max_bw; |
| ret = qlcnic_set_nic_info(adapter, &nic_info); |
| if (ret) |
| return ret; |
| adapter->npars[i].min_bw = nic_info.min_tx_bw; |
| adapter->npars[i].max_bw = nic_info.max_tx_bw; |
| } |
| |
| return size; |
| |
| } |
| static ssize_t |
| qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_info nic_info; |
| struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; |
| int i, ret; |
| |
| if (size != sizeof(np_cfg)) |
| return QL_STATUS_INVALID_PARAM; |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { |
| if (adapter->npars[i].type != QLCNIC_TYPE_NIC) |
| continue; |
| ret = qlcnic_get_nic_info(adapter, &nic_info, i); |
| if (ret) |
| return ret; |
| |
| np_cfg[i].pci_func = i; |
| np_cfg[i].op_mode = (u8)nic_info.op_mode; |
| np_cfg[i].port_num = nic_info.phys_port; |
| np_cfg[i].fw_capab = nic_info.capabilities; |
| np_cfg[i].min_bw = nic_info.min_tx_bw ; |
| np_cfg[i].max_bw = nic_info.max_tx_bw; |
| np_cfg[i].max_tx_queues = nic_info.max_tx_ques; |
| np_cfg[i].max_rx_queues = nic_info.max_rx_ques; |
| } |
| memcpy(buf, &np_cfg, size); |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_esw_statistics port_stats; |
| int ret; |
| |
| if (size != sizeof(struct qlcnic_esw_statistics)) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (offset >= QLCNIC_MAX_PCI_FUNC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| memset(&port_stats, 0, size); |
| ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, |
| &port_stats.rx); |
| if (ret) |
| return ret; |
| |
| ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, |
| &port_stats.tx); |
| if (ret) |
| return ret; |
| |
| memcpy(buf, &port_stats, size); |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_esw_statistics esw_stats; |
| int ret; |
| |
| if (size != sizeof(struct qlcnic_esw_statistics)) |
| return QL_STATUS_INVALID_PARAM; |
| |
| if (offset >= QLCNIC_NIU_MAX_XG_PORTS) |
| return QL_STATUS_INVALID_PARAM; |
| |
| memset(&esw_stats, 0, size); |
| ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, |
| &esw_stats.rx); |
| if (ret) |
| return ret; |
| |
| ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, |
| &esw_stats.tx); |
| if (ret) |
| return ret; |
| |
| memcpy(buf, &esw_stats, size); |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| int ret; |
| |
| if (offset >= QLCNIC_NIU_MAX_XG_PORTS) |
| return QL_STATUS_INVALID_PARAM; |
| |
| ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, |
| QLCNIC_QUERY_RX_COUNTER); |
| if (ret) |
| return ret; |
| |
| ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, |
| QLCNIC_QUERY_TX_COUNTER); |
| if (ret) |
| return ret; |
| |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| int ret; |
| |
| if (offset >= QLCNIC_MAX_PCI_FUNC) |
| return QL_STATUS_INVALID_PARAM; |
| |
| ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, |
| QLCNIC_QUERY_RX_COUNTER); |
| if (ret) |
| return ret; |
| |
| ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, |
| QLCNIC_QUERY_TX_COUNTER); |
| if (ret) |
| return ret; |
| |
| return size; |
| } |
| |
| static ssize_t |
| qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, |
| struct bin_attribute *attr, char *buf, loff_t offset, size_t size) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct qlcnic_adapter *adapter = dev_get_drvdata(dev); |
| struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; |
| struct qlcnic_pci_info *pci_info; |
| int i, ret; |
| |
| if (size != sizeof(pci_cfg)) |
| return QL_STATUS_INVALID_PARAM; |
| |
| pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
| if (!pci_info) |
| return -ENOMEM; |
| |
| ret = qlcnic_get_pci_info(adapter, pci_info); |
| if (ret) { |
| kfree(pci_info); |
| return ret; |
| } |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { |
| pci_cfg[i].pci_func = pci_info[i].id; |
| pci_cfg[i].func_type = pci_info[i].type; |
| pci_cfg[i].port_num = pci_info[i].default_port; |
| pci_cfg[i].min_bw = pci_info[i].tx_min_bw; |
| pci_cfg[i].max_bw = pci_info[i].tx_max_bw; |
| memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); |
| } |
| memcpy(buf, &pci_cfg, size); |
| kfree(pci_info); |
| return size; |
| } |
| static struct bin_attribute bin_attr_npar_config = { |
| .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_read_npar_config, |
| .write = qlcnic_sysfs_write_npar_config, |
| }; |
| |
| static struct bin_attribute bin_attr_pci_config = { |
| .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_read_pci_config, |
| .write = NULL, |
| }; |
| |
| static struct bin_attribute bin_attr_port_stats = { |
| .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_get_port_stats, |
| .write = qlcnic_sysfs_clear_port_stats, |
| }; |
| |
| static struct bin_attribute bin_attr_esw_stats = { |
| .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_get_esw_stats, |
| .write = qlcnic_sysfs_clear_esw_stats, |
| }; |
| |
| static struct bin_attribute bin_attr_esw_config = { |
| .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_read_esw_config, |
| .write = qlcnic_sysfs_write_esw_config, |
| }; |
| |
| static struct bin_attribute bin_attr_pm_config = { |
| .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)}, |
| .size = 0, |
| .read = qlcnic_sysfs_read_pm_config, |
| .write = qlcnic_sysfs_write_pm_config, |
| }; |
| |
| static void |
| qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) |
| { |
| struct device *dev = &adapter->pdev->dev; |
| |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) |
| if (device_create_file(dev, &dev_attr_bridged_mode)) |
| dev_warn(dev, |
| "failed to create bridged_mode sysfs entry\n"); |
| } |
| |
| static void |
| qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) |
| { |
| struct device *dev = &adapter->pdev->dev; |
| |
| if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) |
| device_remove_file(dev, &dev_attr_bridged_mode); |
| } |
| |
| static void |
| qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) |
| { |
| struct device *dev = &adapter->pdev->dev; |
| |
| if (device_create_bin_file(dev, &bin_attr_port_stats)) |
| dev_info(dev, "failed to create port stats sysfs entry"); |
| |
| if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
| return; |
| if (device_create_file(dev, &dev_attr_diag_mode)) |
| dev_info(dev, "failed to create diag_mode sysfs entry\n"); |
| if (device_create_bin_file(dev, &bin_attr_crb)) |
| dev_info(dev, "failed to create crb sysfs entry\n"); |
| if (device_create_bin_file(dev, &bin_attr_mem)) |
| dev_info(dev, "failed to create mem sysfs entry\n"); |
| if (device_create_bin_file(dev, &bin_attr_pci_config)) |
| dev_info(dev, "failed to create pci config sysfs entry"); |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
| return; |
| if (device_create_bin_file(dev, &bin_attr_esw_config)) |
| dev_info(dev, "failed to create esw config sysfs entry"); |
| if (adapter->op_mode != QLCNIC_MGMT_FUNC) |
| return; |
| if (device_create_bin_file(dev, &bin_attr_npar_config)) |
| dev_info(dev, "failed to create npar config sysfs entry"); |
| if (device_create_bin_file(dev, &bin_attr_pm_config)) |
| dev_info(dev, "failed to create pm config sysfs entry"); |
| if (device_create_bin_file(dev, &bin_attr_esw_stats)) |
| dev_info(dev, "failed to create eswitch stats sysfs entry"); |
| } |
| |
| static void |
| qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) |
| { |
| struct device *dev = &adapter->pdev->dev; |
| |
| device_remove_bin_file(dev, &bin_attr_port_stats); |
| |
| if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
| return; |
| device_remove_file(dev, &dev_attr_diag_mode); |
| device_remove_bin_file(dev, &bin_attr_crb); |
| device_remove_bin_file(dev, &bin_attr_mem); |
| device_remove_bin_file(dev, &bin_attr_pci_config); |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
| return; |
| device_remove_bin_file(dev, &bin_attr_esw_config); |
| if (adapter->op_mode != QLCNIC_MGMT_FUNC) |
| return; |
| device_remove_bin_file(dev, &bin_attr_npar_config); |
| device_remove_bin_file(dev, &bin_attr_pm_config); |
| device_remove_bin_file(dev, &bin_attr_esw_stats); |
| } |
| |
| #ifdef CONFIG_INET |
| |
| #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) |
| |
| static void |
| qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, |
| struct net_device *dev, unsigned long event) |
| { |
| struct in_device *indev; |
| |
| indev = in_dev_get(dev); |
| if (!indev) |
| return; |
| |
| for_ifa(indev) { |
| switch (event) { |
| case NETDEV_UP: |
| qlcnic_config_ipaddr(adapter, |
| ifa->ifa_address, QLCNIC_IP_UP); |
| break; |
| case NETDEV_DOWN: |
| qlcnic_config_ipaddr(adapter, |
| ifa->ifa_address, QLCNIC_IP_DOWN); |
| break; |
| default: |
| break; |
| } |
| } endfor_ifa(indev); |
| |
| in_dev_put(indev); |
| } |
| |
| static void |
| qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct net_device *dev; |
| u16 vid; |
| |
| qlcnic_config_indev_addr(adapter, netdev, event); |
| |
| for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { |
| dev = vlan_find_dev(netdev, vid); |
| if (!dev) |
| continue; |
| qlcnic_config_indev_addr(adapter, dev, event); |
| } |
| } |
| |
| static int qlcnic_netdev_event(struct notifier_block *this, |
| unsigned long event, void *ptr) |
| { |
| struct qlcnic_adapter *adapter; |
| struct net_device *dev = (struct net_device *)ptr; |
| |
| recheck: |
| if (dev == NULL) |
| goto done; |
| |
| if (dev->priv_flags & IFF_802_1Q_VLAN) { |
| dev = vlan_dev_real_dev(dev); |
| goto recheck; |
| } |
| |
| if (!is_qlcnic_netdev(dev)) |
| goto done; |
| |
| adapter = netdev_priv(dev); |
| |
| if (!adapter) |
| goto done; |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| goto done; |
| |
| qlcnic_config_indev_addr(adapter, dev, event); |
| done: |
| return NOTIFY_DONE; |
| } |
| |
| static int |
| qlcnic_inetaddr_event(struct notifier_block *this, |
| unsigned long event, void *ptr) |
| { |
| struct qlcnic_adapter *adapter; |
| struct net_device *dev; |
| |
| struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; |
| |
| dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; |
| |
| recheck: |
| if (dev == NULL) |
| goto done; |
| |
| if (dev->priv_flags & IFF_802_1Q_VLAN) { |
| dev = vlan_dev_real_dev(dev); |
| goto recheck; |
| } |
| |
| if (!is_qlcnic_netdev(dev)) |
| goto done; |
| |
| adapter = netdev_priv(dev); |
| |
| if (!adapter) |
| goto done; |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| goto done; |
| |
| switch (event) { |
| case NETDEV_UP: |
| qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); |
| break; |
| case NETDEV_DOWN: |
| qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); |
| break; |
| default: |
| break; |
| } |
| |
| done: |
| return NOTIFY_DONE; |
| } |
| |
| static struct notifier_block qlcnic_netdev_cb = { |
| .notifier_call = qlcnic_netdev_event, |
| }; |
| |
| static struct notifier_block qlcnic_inetaddr_cb = { |
| .notifier_call = qlcnic_inetaddr_event, |
| }; |
| #else |
| static void |
| qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) |
| { } |
| #endif |
| static struct pci_error_handlers qlcnic_err_handler = { |
| .error_detected = qlcnic_io_error_detected, |
| .slot_reset = qlcnic_io_slot_reset, |
| .resume = qlcnic_io_resume, |
| }; |
| |
| static struct pci_driver qlcnic_driver = { |
| .name = qlcnic_driver_name, |
| .id_table = qlcnic_pci_tbl, |
| .probe = qlcnic_probe, |
| .remove = __devexit_p(qlcnic_remove), |
| #ifdef CONFIG_PM |
| .suspend = qlcnic_suspend, |
| .resume = qlcnic_resume, |
| #endif |
| .shutdown = qlcnic_shutdown, |
| .err_handler = &qlcnic_err_handler |
| |
| }; |
| |
| static int __init qlcnic_init_module(void) |
| { |
| int ret; |
| |
| printk(KERN_INFO "%s\n", qlcnic_driver_string); |
| |
| qlcnic_wq = create_singlethread_workqueue("qlcnic"); |
| if (qlcnic_wq == NULL) { |
| printk(KERN_ERR "qlcnic: cannot create workqueue\n"); |
| return -ENOMEM; |
| } |
| |
| #ifdef CONFIG_INET |
| register_netdevice_notifier(&qlcnic_netdev_cb); |
| register_inetaddr_notifier(&qlcnic_inetaddr_cb); |
| #endif |
| |
| ret = pci_register_driver(&qlcnic_driver); |
| if (ret) { |
| #ifdef CONFIG_INET |
| unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); |
| unregister_netdevice_notifier(&qlcnic_netdev_cb); |
| #endif |
| destroy_workqueue(qlcnic_wq); |
| } |
| |
| return ret; |
| } |
| |
| module_init(qlcnic_init_module); |
| |
| static void __exit qlcnic_exit_module(void) |
| { |
| |
| pci_unregister_driver(&qlcnic_driver); |
| |
| #ifdef CONFIG_INET |
| unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); |
| unregister_netdevice_notifier(&qlcnic_netdev_cb); |
| #endif |
| destroy_workqueue(qlcnic_wq); |
| } |
| |
| module_exit(qlcnic_exit_module); |