net: Add testing sysfs attribute (db30a577) · Commits · 戴 / test

Documentation/ABI/testing/sysfs-class-net

+13 −0

Original line number	Diff line number	Diff line
		@@ -124,6 +124,19 @@ Description:
		authentication is performed (e.g: 802.1x). 'link_mode' attribute
		will also reflect the dormant state.

		What: /sys/class/net/<iface>/testing
		Date: April 2002
		KernelVersion: 5.8
		Contact: netdev@vger.kernel.org
		Description:
		Indicates whether the interface is under test. Possible
		values are:
		0: interface is not being tested
		1: interface is being tested

		When an interface is under test, it cannot be expected
		to pass packets as normal.

		What: /sys/clas/net/<iface>/duplex
		Date: October 2009
		KernelVersion: 2.6.33

+14 −1

Original line number	Diff line number	Diff line
		@@ -243,6 +243,18 @@ static ssize_t duplex_show(struct device *dev,
		}
		static DEVICE_ATTR_RO(duplex);

		static ssize_t testing_show(struct device *dev,
		struct device_attribute attr, char buf)
		{
		struct net_device *netdev = to_net_dev(dev);

		if (netif_running(netdev))
		return sprintf(buf, fmt_dec, !!netif_testing(netdev));

		return -EINVAL;
		}
		static DEVICE_ATTR_RO(testing);

		static ssize_t dormant_show(struct device *dev,
		struct device_attribute attr, char buf)
		{
		@@ -260,7 +272,7 @@ static const char *const operstates[] = {
		"notpresent", /* currently unused */
		"down",
		"lowerlayerdown",
		"testing", /* currently unused */
		"testing",
		"dormant",
		"up"
		};
		@@ -524,6 +536,7 @@ static struct attribute *net_class_attrs[] __ro_after_init = {
		&dev_attr_speed.attr,
		&dev_attr_duplex.attr,
		&dev_attr_dormant.attr,
		&dev_attr_testing.attr,
		&dev_attr_operstate.attr,
		&dev_attr_carrier_changes.attr,
		&dev_attr_ifalias.attr,