qlcnic: add eswitch statistics support
Adding eswitch statistics support. User can get
whole eswitch stats or stats of func belong to that eswitch.
Added:
o command to get statistics of eswitch and function.
o sysfs support to export eswitch and func statatistics.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 06ffd76..a30bde5 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -3378,6 +3378,115 @@
}
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 @@
.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 @@
{
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 @@
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 @@
{
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 @@
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