diff options
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_main.c')
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_main.c | 4207 |
1 files changed, 0 insertions, 4207 deletions
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c deleted file mode 100644 index 788850e2ba4..00000000000 --- a/drivers/net/qlcnic/qlcnic_main.c +++ /dev/null @@ -1,4207 +0,0 @@ -/* - * 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 <linux/if_vlan.h> -#include <net/ip.h> -#include <linux/ipv6.h> -#include <linux/inetdevice.h> -#include <linux/sysfs.h> -#include <linux/aer.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, 0644); -MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)"); - -static int use_msi = 1; -module_param(use_msi, int, 0644); -MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); - -static int use_msi_x = 1; -module_param(use_msi_x, int, 0644); -MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); - -static int auto_fw_reset = AUTO_FW_RESET_ENABLED; -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, 0644); -MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); - -static int qlcnic_config_npars; -module_param(qlcnic_config_npars, int, 0644); -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 *); -/* 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); - - -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 void qlcnic_vlan_rx_register(struct net_device *netdev, - struct vlan_group *grp) -{ - struct qlcnic_adapter *adapter = netdev_priv(netdev); - adapter->vlgrp = grp; -} - -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_tx_timeout = qlcnic_tx_timeout, - .ndo_vlan_rx_register = qlcnic_vlan_rx_register, -#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 void -qlcnic_setup_intr(struct qlcnic_adapter *adapter) -{ - const struct qlcnic_legacy_intr_set *legacy_intrp; - struct pci_dev *pdev = adapter->pdev; - int err, num_msix; - - if (adapter->rss_supported) { - num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? - MSIX_ENTRIES_PER_ADAPTER : 2; - } else - num_msix = 1; - - adapter->max_sds_rings = 1; - - adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); - - 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); - - qlcnic_set_msix_bit(pdev, 0); - - if (adapter->msix_supported) { - - 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); - - if (adapter->rss_supported) - adapter->max_sds_rings = num_msix; - - dev_info(&pdev->dev, "using msi-x interrupts\n"); - return; - } - - if (err > 0) - pci_disable_msix(pdev); - - /* fall through for msi */ - } - - 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; - } - - dev_info(&pdev->dev, "using legacy interrupts\n"); - adapter->msix_entries[0].vector = pdev->irq; -} - -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) - return QL_STATUS_INVALID_PARAM; - 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->rss_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_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_IPV6_CSUM | NETIF_F_GRO); - vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM); - - if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { - features |= (NETIF_F_TSO | NETIF_F_TSO6); - vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); - } - if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) - features |= NETIF_F_LRO; - - if (esw_cfg->offload_flags & BIT_0) { - netdev->features |= features; - adapter->rx_csum = 1; - 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; - adapter->rx_csum = 0; - } - - 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 void -qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter) -{ - adapter->coal.flags = QLCNIC_INTR_DEFAULT; - adapter->coal.normal.data.rx_time_us = - QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; - adapter->coal.normal.data.rx_packets = - QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; - adapter->coal.normal.data.tx_time_us = - QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US; - adapter->coal.normal.data.tx_packets = - QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS; -} - -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, ring, 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_init_coalesce_defaults(adapter); - - 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); -} - -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, ring, 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); - } - } - 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->rx_csum = 1; - 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->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_HW_VLAN_RX); - netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM); - - if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { - netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); - netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); - } - - if (pci_using_dac) { - netdev->features |= NETIF_F_HIGHDMA; - netdev->vlan_features |= NETIF_F_HIGHDMA; - } - - if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) - netdev->features |= (NETIF_F_HW_VLAN_TX); - - if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) - netdev->features |= NETIF_F_LRO; - netdev->irq = adapter->msix_entries[0].vector; - - netif_carrier_off(netdev); - - 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 __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]; - u32 val; - - 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; - 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_netdev; - - /* 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; - - val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); - if (QLC_DEV_CHECK_ACTIVE(val, adapter->portnum)) - 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; - } - - 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); - - 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); - -err_out_decr_ref: - qlcnic_clr_all_drv_state(adapter, 0); - -err_out_iounmap: - qlcnic_cleanup_pci_map(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); - - 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); - - 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; - - 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 = (struct hlist_head *)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); -} - -#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 void -qlcnic_tso_check(struct net_device *netdev, - struct qlcnic_host_tx_ring *tx_ring, - struct cmd_desc_type0 *first_desc, - struct sk_buff *skb) -{ - u8 opcode = TX_ETHER_PKT; - __be16 protocol = skb->protocol; - u16 flags = 0; - int copied, offset, copy_len, hdr_len = 0, tso = 0; - struct cmd_desc_type0 *hwdesc; - struct vlan_ethhdr *vh; - struct qlcnic_adapter *adapter = netdev_priv(netdev); - u32 producer = tx_ring->producer; - __le16 vlan_oob = first_desc->flags_opcode & - cpu_to_le16(FLAGS_VLAN_OOB); - - if (*(skb->data) & BIT_0) { - flags |= BIT_0; - memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); - } - - if ((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; - if (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; - } - - opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? - TX_TCP_LSO6 : TX_TCP_LSO; - tso = 1; - - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - u8 l4proto; - - if (protocol == cpu_to_be16(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 == cpu_to_be16(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); - - if (!tso) - return; - - /* For LSO, we need to copy the MAC/IP/TCP headers into - * the descriptor ring - */ - copied = 0; - offset = 2; - - if (vlan_oob) { - /* 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 = (__be16)swab16((u16)first_desc->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; - barrier(); - adapter->stats.lso_frames++; -} - -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 int -qlcnic_check_tx_tagging(struct qlcnic_adapter *adapter, - struct sk_buff *skb, - struct cmd_desc_type0 *first_desc) -{ - u8 opcode = 0; - u16 flags = 0; - __be16 protocol = skb->protocol; - struct vlan_ethhdr *vh; - - if (protocol == cpu_to_be16(ETH_P_8021Q)) { - vh = (struct vlan_ethhdr *)skb->data; - protocol = vh->h_vlan_encapsulated_proto; - flags = FLAGS_VLAN_TAGGED; - qlcnic_set_tx_vlan_tci(first_desc, ntohs(vh->h_vlan_TCI)); - } else if (vlan_tx_tag_present(skb)) { - flags = FLAGS_VLAN_OOB; - qlcnic_set_tx_vlan_tci(first_desc, vlan_tx_tag_get(skb)); - } - if (unlikely(adapter->pvid)) { - if (first_desc->vlan_TCI && - !(adapter->flags & QLCNIC_TAGGING_ENABLED)) - return -EIO; - if (first_desc->vlan_TCI && - (adapter->flags & QLCNIC_TAGGING_ENABLED)) - goto set_flags; - - flags = FLAGS_VLAN_OOB; - qlcnic_set_tx_vlan_tci(first_desc, adapter->pvid); - } -set_flags: - qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); - return 0; -} - -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 i, k; - - u32 producer; - int frag_count, no_of_desc; - 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; - - /* 4 fragments per cmd des */ - no_of_desc = (frag_count + 3) >> 2; - - if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { - netif_stop_queue(netdev); - smp_mb(); - 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_check_tx_tagging(adapter, skb, first_desc)) - goto drop_packet; - - 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); - - qlcnic_tso_check(netdev, tx_ring, first_desc, skb); - - 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; - -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; - - state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); - - 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: - 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); - - 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; - - 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 */ -static 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); - 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 == AUTO_FW_RESET_ENABLED) { - 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 == AUTO_FW_RESET_ENABLED)) - 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 == AUTO_FW_RESET_ENABLED) && - !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, -}; - -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) - || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues) - || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues)) - 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 (!(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_pci_config)) - dev_info(dev, "failed to create pci config sysfs entry"); - 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); - 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_pci_config); - 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); - - if (!adapter->vlgrp) - return; - - for (vid = 0; vid < VLAN_N_VID; vid++) { - dev = vlan_group_get_device(adapter->vlgrp, 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); |