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authorBen Whitten <ben.whitten@gmail.com>2017-12-11 00:17:55 +0300
committerJacek Anaszewski <jacek.anaszewski@gmail.com>2018-01-08 23:28:11 +0300
commit06f502f57d0d7728f9fa0f157ec5e4111ddb98f6 (patch)
tree8b393a5c1d6ba40be9c8ba45ffb24909bbdb052f /Documentation/ABI/testing/sysfs-class-led-trigger-netdev
parente0d422987936958b41999f62ea64f1dd0102606f (diff)
downloadlinux-06f502f57d0d7728f9fa0f157ec5e4111ddb98f6.tar.xz
leds: trigger: Introduce a NETDEV trigger
This commit introduces a NETDEV trigger for named device activity. Available triggers are link, rx, and tx. Signed-off-by: Ben Whitten <ben.whitten@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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+What: /sys/class/leds/<led>/device_name
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Specifies the network device name to monitor.
+
+What: /sys/class/leds/<led>/interval
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Specifies the duration of the LED blink in milliseconds.
+ Defaults to 50 ms.
+
+What: /sys/class/leds/<led>/link
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link state of the named network device.
+ If set to 0 (default), the LED's normal state is off.
+ If set to 1, the LED's normal state reflects the link state
+ of the named network device.
+ Setting this value also immediately changes the LED state.
+
+What: /sys/class/leds/<led>/tx
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal transmission of data on the named network device.
+ If set to 0 (default), the LED will not blink on transmission.
+ If set to 1, the LED will blink for the milliseconds specified
+ in interval to signal transmission.
+
+What: /sys/class/leds/<led>/rx
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal reception of data on the named network device.
+ If set to 0 (default), the LED will not blink on reception.
+ If set to 1, the LED will blink for the milliseconds specified
+ in interval to signal reception.