1What: /sys/class/leds/<led>/device_name 2Date: Dec 2017 3KernelVersion: 4.16 4Contact: linux-leds@vger.kernel.org 5Description: 6 Specifies the network device name to monitor. 7 8What: /sys/class/leds/<led>/interval 9Date: Dec 2017 10KernelVersion: 4.16 11Contact: linux-leds@vger.kernel.org 12Description: 13 Specifies the duration of the LED blink in milliseconds. 14 Defaults to 50 ms. 15 16 With hw_control ON, the interval value MUST be set to the 17 default value and cannot be changed. 18 Trying to set any value in this specific mode will return 19 an EINVAL error. 20 21What: /sys/class/leds/<led>/link 22Date: Dec 2017 23KernelVersion: 4.16 24Contact: linux-leds@vger.kernel.org 25Description: 26 Signal the link state of the named network device. 27 28 If set to 0 (default), the LED's normal state is off. 29 30 If set to 1, the LED's normal state reflects the link state 31 of the named network device. 32 Setting this value also immediately changes the LED state. 33 34 35What: /sys/class/leds/<led>/tx 36Date: Dec 2017 37KernelVersion: 4.16 38Contact: linux-leds@vger.kernel.org 39Description: 40 Signal transmission of data on the named network device. 41 42 If set to 0 (default), the LED will not blink on transmission. 43 44 If set to 1, the LED will blink for the milliseconds specified 45 in interval to signal transmission. 46 47 With hw_control ON, the blink interval is controlled by hardware 48 and won't reflect the value set in interval. 49 50What: /sys/class/leds/<led>/rx 51Date: Dec 2017 52KernelVersion: 4.16 53Contact: linux-leds@vger.kernel.org 54Description: 55 Signal reception of data on the named network device. 56 57 If set to 0 (default), the LED will not blink on reception. 58 59 If set to 1, the LED will blink for the milliseconds specified 60 in interval to signal reception. 61 62 With hw_control ON, the blink interval is controlled by hardware 63 and won't reflect the value set in interval. 64 65What: /sys/class/leds/<led>/hw_control 66Date: Jun 2023 67KernelVersion: 6.5 68Contact: linux-leds@vger.kernel.org 69Description: 70 Communicate whether the LED trigger modes are driven by hardware 71 or software fallback is used. 72 73 If 0, the LED is using software fallback to blink. 74 75 If 1, the LED is using hardware control to blink and signal the 76 requested modes. 77 78What: /sys/class/leds/<led>/link_10 79Date: Jun 2023 80KernelVersion: 6.5 81Contact: linux-leds@vger.kernel.org 82Description: 83 Signal the link speed state of 10Mbps of the named network device. 84 85 If set to 0 (default), the LED's normal state is off. 86 87 If set to 1, the LED's normal state reflects the link state 88 speed of 10MBps of the named network device. 89 Setting this value also immediately changes the LED state. 90 91What: /sys/class/leds/<led>/link_100 92Date: Jun 2023 93KernelVersion: 6.5 94Contact: linux-leds@vger.kernel.org 95Description: 96 Signal the link speed state of 100Mbps of the named network device. 97 98 If set to 0 (default), the LED's normal state is off. 99 100 If set to 1, the LED's normal state reflects the link state 101 speed of 100Mbps of the named network device. 102 Setting this value also immediately changes the LED state. 103 104What: /sys/class/leds/<led>/link_1000 105Date: Jun 2023 106KernelVersion: 6.5 107Contact: linux-leds@vger.kernel.org 108Description: 109 Signal the link speed state of 1000Mbps of the named network device. 110 111 If set to 0 (default), the LED's normal state is off. 112 113 If set to 1, the LED's normal state reflects the link state 114 speed of 1000Mbps of the named network device. 115 Setting this value also immediately changes the LED state. 116 117What: /sys/class/leds/<led>/half_duplex 118Date: Jun 2023 119KernelVersion: 6.5 120Contact: linux-leds@vger.kernel.org 121Description: 122 Signal the link half duplex state of the named network device. 123 124 If set to 0 (default), the LED's normal state is off. 125 126 If set to 1, the LED's normal state reflects the link half 127 duplex state of the named network device. 128 Setting this value also immediately changes the LED state. 129 130What: /sys/class/leds/<led>/full_duplex 131Date: Jun 2023 132KernelVersion: 6.5 133Contact: linux-leds@vger.kernel.org 134Description: 135 Signal the link full duplex state of the named network device. 136 137 If set to 0 (default), the LED's normal state is off. 138 139 If set to 1, the LED's normal state reflects the link full 140 duplex state of the named network device. 141 Setting this value also immediately changes the LED state. 142