qlcnic: add eswitch statistics support

[deliverable/linux.git] / drivers / net / qlcnic / qlcnic_main.c

diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 06ffd7637f87f188dd46eda2eb0b241ceb0d5fb5..a30bde52d40b97086f66429d9aaa11d96d219829 100644 (file)
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -3377,6 +3377,115 @@ 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)
@@ -3426,6 +3535,20 @@ 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,
@@ -3465,6 +3588,9 @@ 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))
@@ -3484,7 +3610,8 @@ 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
@@ -3492,6 +3619,8 @@ 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);
@@ -3504,6 +3633,7 @@ 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