diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2020-04-20 00:11:51 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-20 12:43:24 -0700 |
| commit | db30a57779b18b7cef092c21887ed2d23ad2bd35 (patch) | |
| tree | c8687e48259178fb2a7f2d23abe5a8eee9ee73bc | |
| parent | eec517cdb4810b3843eb7707971de3164088bff1 (diff) | |
net: Add testing sysfs attribute
Similar to speed, duplex and dorment, report the testing status
in sysfs.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-net | 13 | ||||
| -rw-r--r-- | net/core/net-sysfs.c | 15 |
2 files changed, 27 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net index 664a8f6a634f..3b404577f380 100644 --- a/Documentation/ABI/testing/sysfs-class-net +++ b/Documentation/ABI/testing/sysfs-class-net @@ -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 diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 4773ad6ec111..0d9e46de205e 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -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, |