]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - drivers/net/qlcnic/qlcnic_main.c
qlcnic: remove unused code
[net-next-2.6.git] / drivers / net / qlcnic / qlcnic_main.c
index b9615bd745ea5d9175e6d6153d5c924084d550d2..beadf2e411308225f0002334989f503e6373ad0c 100644 (file)
@@ -473,48 +473,58 @@ qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
 static int
 qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 {
-       struct qlcnic_pci_info pci_info[QLCNIC_MAX_PCI_FUNC];
-       int i, ret = 0, err;
+       struct qlcnic_pci_info *pci_info;
+       int i, ret = 0;
        u8 pfn;
 
-       if (!adapter->npars)
-               adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
-                               QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
-       if (!adapter->npars)
+       pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
+       if (!pci_info)
                return -ENOMEM;
 
-       if (!adapter->eswitch)
-               adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
+       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) {
-               err = -ENOMEM;
-               goto err_eswitch;
+               ret = -ENOMEM;
+               goto err_npars;
        }
 
        ret = qlcnic_get_pci_info(adapter, pci_info);
-       if (!ret) {
-               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 = pci_info[i].active;
-                       adapter->npars[pfn].type = pci_info[i].type;
-                       adapter->npars[pfn].phy_port = pci_info[i].default_port;
-                       adapter->npars[pfn].mac_learning = DEFAULT_MAC_LEARN;
-                       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;
+       if (ret)
+               goto err_eswitch;
 
-               return ret;
+       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 = pci_info[i].active;
+               adapter->npars[pfn].type = pci_info[i].type;
+               adapter->npars[pfn].phy_port = pci_info[i].default_port;
+               adapter->npars[pfn].mac_learning = DEFAULT_MAC_LEARN;
+               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_eswitch:
+err_npars:
        kfree(adapter->npars);
+       adapter->npars = NULL;
+err_pci_info:
+       kfree(pci_info);
 
        return ret;
 }
@@ -533,8 +543,6 @@ qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
        ret = qlcnic_api_lock(adapter);
        if (ret)
                goto err_lock;
-       if (QLC_DEV_CLR_REF_CNT(ref_count, adapter->ahw.pci_func))
-               goto err_npar;
 
        if (qlcnic_config_npars) {
                for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
@@ -552,7 +560,6 @@ qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
                        adapter->ahw.pci_func));
        }
        writel(data, priv_op);
-err_npar:
        qlcnic_api_unlock(adapter);
 err_lock:
        return ret;
@@ -702,24 +709,8 @@ qlcnic_check_options(struct qlcnic_adapter *adapter)
 {
        u32 fw_major, fw_minor, fw_build;
        char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
-       char serial_num[32];
-       int i, offset, val;
-       int *ptr32;
        struct pci_dev *pdev = adapter->pdev;
        struct qlcnic_info nic_info;
-       adapter->driver_mismatch = 0;
-
-       ptr32 = (int *)&serial_num;
-       offset = QLCNIC_FW_SERIAL_NUM_OFFSET;
-       for (i = 0; i < 8; i++) {
-               if (qlcnic_rom_fast_read(adapter, offset, &val) == -1) {
-                       dev_err(&pdev->dev, "error reading board info\n");
-                       adapter->driver_mismatch = 1;
-                       return;
-               }
-               ptr32[i] = cpu_to_le32(val);
-               offset += sizeof(u32);
-       }
 
        fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
        fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
@@ -988,7 +979,7 @@ __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
 
        qlcnic_config_intr_coalesce(adapter);
 
-       if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
+       if (netdev->features & NETIF_F_LRO)
                qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
 
        qlcnic_napi_enable(adapter);
@@ -1577,9 +1568,6 @@ static int qlcnic_open(struct net_device *netdev)
        struct qlcnic_adapter *adapter = netdev_priv(netdev);
        int err;
 
-       if (adapter->driver_mismatch)
-               return -EIO;
-
        err = qlcnic_attach(adapter);
        if (err)
                return err;
@@ -1937,14 +1925,14 @@ void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
        struct net_device *netdev = adapter->netdev;
 
        if (adapter->ahw.linkup && !linkup) {
-               dev_info(&netdev->dev, "NIC Link is down\n");
+               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) {
-               dev_info(&netdev->dev, "NIC Link is up\n");
+               netdev_info(netdev, "NIC Link is up\n");
                adapter->ahw.linkup = 1;
                if (netif_running(netdev)) {
                        netif_carrier_on(netdev);
@@ -2388,7 +2376,7 @@ qlcnic_fwinit_work(struct work_struct *work)
 {
        struct qlcnic_adapter *adapter = container_of(work,
                        struct qlcnic_adapter, fw_work.work);
-       u32 dev_state = 0xf, npar_state;
+       u32 dev_state = 0xf;
 
        if (qlcnic_api_lock(adapter))
                goto err_ret;
@@ -2402,16 +2390,8 @@ qlcnic_fwinit_work(struct work_struct *work)
        }
 
        if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
-               npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
-               if (npar_state == QLCNIC_DEV_NPAR_RDY) {
-                       qlcnic_api_unlock(adapter);
-                       goto wait_npar;
-               } else {
-                       qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
-                               FW_POLL_DELAY);
-                       qlcnic_api_unlock(adapter);
-                       return;
-               }
+               qlcnic_api_unlock(adapter);
+               goto wait_npar;
        }
 
        if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
@@ -2460,20 +2440,17 @@ wait_npar:
        QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
 
        switch (dev_state) {
-       case QLCNIC_DEV_QUISCENT:
-       case QLCNIC_DEV_NEED_QUISCENT:
-       case QLCNIC_DEV_NEED_RESET:
-               qlcnic_schedule_work(adapter,
-                       qlcnic_fwinit_work, FW_POLL_DELAY);
-               return;
-       case QLCNIC_DEV_FAILED:
-               break;
-
-       default:
+       case QLCNIC_DEV_READY:
                if (!adapter->nic_ops->start_firmware(adapter)) {
                        qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
                        return;
                }
+       case QLCNIC_DEV_FAILED:
+               break;
+       default:
+               qlcnic_schedule_work(adapter,
+                       qlcnic_fwinit_work, FW_POLL_DELAY);
+               return;
        }
 
 err_ret:
@@ -2520,6 +2497,22 @@ err_ret:
 
 }
 
+/*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)
@@ -2538,6 +2531,7 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
                qlcnic_idc_debug_info(adapter, 0);
        }
 
+       QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
        qlcnic_api_unlock(adapter);
 }
 
@@ -2545,21 +2539,14 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
 static void
 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
 {
-       u32 state;
-
        if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
-               adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
+           adapter->op_mode != QLCNIC_MGMT_FUNC)
                return;
        if (qlcnic_api_lock(adapter))
                return;
 
-       state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
-
-       if (state != QLCNIC_DEV_NPAR_RDY) {
-               QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
-                       QLCNIC_DEV_NPAR_RDY);
-               QLCDB(adapter, DRV, "NPAR READY state set\n");
-       }
+       QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
+       QLCDB(adapter, DRV, "NPAR operational state set\n");
 
        qlcnic_api_unlock(adapter);
 }
@@ -2621,8 +2608,11 @@ qlcnic_check_health(struct qlcnic_adapter *adapter)
                qlcnic_dev_request_reset(adapter);
 
        state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
-       if (state == QLCNIC_DEV_NEED_RESET || state == QLCNIC_DEV_NEED_QUISCENT)
+       if (state == QLCNIC_DEV_NEED_RESET ||
+           state == QLCNIC_DEV_NEED_QUISCENT) {
+               qlcnic_set_npar_non_operational(adapter);
                adapter->need_fw_reset = 1;
+       }
 
        heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
        if (heartbit != adapter->heartbit) {
@@ -2723,7 +2713,7 @@ static int qlcnic_attach_func(struct pci_dev *pdev)
        if (qlcnic_api_lock(adapter))
                return -EINVAL;
 
-       if (first_func) {
+       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);
@@ -2812,11 +2802,25 @@ static int
 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
 {
        int err;
+       u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
+       u32 npar_state;
 
        err = qlcnic_can_start_firmware(adapter);
        if (err)
                return err;
 
+       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;
+       }
+
        qlcnic_check_options(adapter);
 
        adapter->need_fw_reset = 0;
@@ -3354,6 +3358,115 @@ qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
        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)
@@ -3361,15 +3474,21 @@ qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
        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[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)
+       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;
@@ -3380,8 +3499,8 @@ qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
                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)},
@@ -3397,6 +3516,20 @@ static struct bin_attribute bin_attr_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,
@@ -3436,6 +3569,9 @@ 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))
@@ -3455,7 +3591,8 @@ qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
                dev_info(dev, "failed to create esw 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
@@ -3463,6 +3600,8 @@ 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);
@@ -3475,6 +3614,7 @@ qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
        device_remove_bin_file(dev, &bin_attr_npar_config);
        device_remove_bin_file(dev, &bin_attr_esw_config);
        device_remove_bin_file(dev, &bin_attr_pm_config);
+       device_remove_bin_file(dev, &bin_attr_esw_stats);
 }
 
 #ifdef CONFIG_INET