1 rfkill - radio frequency (RF) connector kill s 1 rfkill - radio frequency (RF) connector kill switch support
2 2
3 For details to this subsystem look at Document 3 For details to this subsystem look at Documentation/driver-api/rfkill.rst.
4 4
5 For the deprecated ``/sys/class/rfkill/*/claim !! 5 For the deprecated /sys/class/rfkill/*/claim knobs of this interface look in
6 Documentation/ABI/removed/sysfs-class-rfkill. 6 Documentation/ABI/removed/sysfs-class-rfkill.
7 7
8 What: /sys/class/rfkill 8 What: /sys/class/rfkill
9 Date: 09-Jul-2007 9 Date: 09-Jul-2007
10 KernelVersion: v2.6.22 10 KernelVersion: v2.6.22
11 Contact: linux-wireless@vger.kernel.org 11 Contact: linux-wireless@vger.kernel.org,
12 Description: The rfkill class subsystem fol 12 Description: The rfkill class subsystem folder.
13 Each registered rfkill driver 13 Each registered rfkill driver is represented by an rfkillX
14 subfolder (X being an integer 14 subfolder (X being an integer >= 0).
15 15
16 16
17 What: /sys/class/rfkill/rfkill[0-9]+ 17 What: /sys/class/rfkill/rfkill[0-9]+/name
18 Date: 09-Jul-2007 18 Date: 09-Jul-2007
19 KernelVersion v2.6.22 19 KernelVersion v2.6.22
20 Contact: linux-wireless@vger.kernel.org 20 Contact: linux-wireless@vger.kernel.org
21 Description: Name assigned by driver to thi 21 Description: Name assigned by driver to this key (interface or driver name).
22 Values: arbitrary string. 22 Values: arbitrary string.
23 23
24 24
25 What: /sys/class/rfkill/rfkill[0-9]+ 25 What: /sys/class/rfkill/rfkill[0-9]+/type
26 Date: 09-Jul-2007 26 Date: 09-Jul-2007
27 KernelVersion v2.6.22 27 KernelVersion v2.6.22
28 Contact: linux-wireless@vger.kernel.org 28 Contact: linux-wireless@vger.kernel.org
29 Description: Driver type string ("wlan", "b 29 Description: Driver type string ("wlan", "bluetooth", etc).
30 Values: See include/linux/rfkill.h. 30 Values: See include/linux/rfkill.h.
31 31
32 32
33 What: /sys/class/rfkill/rfkill[0-9]+ 33 What: /sys/class/rfkill/rfkill[0-9]+/persistent
34 Date: 09-Jul-2007 34 Date: 09-Jul-2007
35 KernelVersion v2.6.22 35 KernelVersion v2.6.22
36 Contact: linux-wireless@vger.kernel.org 36 Contact: linux-wireless@vger.kernel.org
37 Description: Whether the soft blocked state 37 Description: Whether the soft blocked state is initialised from non-volatile
38 storage at startup. 38 storage at startup.
39 Values: A numeric value: !! 39 Values: A numeric value.
40 !! 40 0: false
41 - 0: false !! 41 1: true
42 - 1: true <<
43 42
44 43
45 What: /sys/class/rfkill/rfkill[0-9]+ 44 What: /sys/class/rfkill/rfkill[0-9]+/state
46 Date: 09-Jul-2007 45 Date: 09-Jul-2007
47 KernelVersion v2.6.22 46 KernelVersion v2.6.22
48 Contact: linux-wireless@vger.kernel.org 47 Contact: linux-wireless@vger.kernel.org
49 Description: Current state of the transmitt 48 Description: Current state of the transmitter.
50 This file was scheduled to be 49 This file was scheduled to be removed in 2014, but due to its
51 large number of users it will 50 large number of users it will be sticking around for a bit
52 longer. Despite it being marke 51 longer. Despite it being marked as stable, the newer "hard" and
53 "soft" interfaces should be pr 52 "soft" interfaces should be preferred, since it is not possible
54 to express the 'soft and hard 53 to express the 'soft and hard block' state of the rfkill driver
55 through this interface. There 54 through this interface. There will likely be another attempt to
56 remove it in the future. 55 remove it in the future.
57 Values: A numeric value. 56 Values: A numeric value.
58 <<
59 0: RFKILL_STATE_SOFT_BLOCKED 57 0: RFKILL_STATE_SOFT_BLOCKED
60 transmitter is turned 58 transmitter is turned off by software
61 1: RFKILL_STATE_UNBLOCKED 59 1: RFKILL_STATE_UNBLOCKED
62 transmitter is (potent 60 transmitter is (potentially) active
63 2: RFKILL_STATE_HARD_BLOCKED 61 2: RFKILL_STATE_HARD_BLOCKED
64 transmitter is forced 62 transmitter is forced off by something outside of
65 the driver's control. 63 the driver's control.
66 64
67 65
68 What: /sys/class/rfkill/rfkill[0-9]+ 66 What: /sys/class/rfkill/rfkill[0-9]+/hard
69 Date: 12-March-2010 67 Date: 12-March-2010
70 KernelVersion v2.6.34 68 KernelVersion v2.6.34
71 Contact: linux-wireless@vger.kernel.org 69 Contact: linux-wireless@vger.kernel.org
72 Description: Current hardblock state. This 70 Description: Current hardblock state. This file is read only.
73 Values: A numeric value. 71 Values: A numeric value.
74 <<
75 0: inactive 72 0: inactive
76 The transmitter is (po 73 The transmitter is (potentially) active.
77 1: active 74 1: active
78 The transmitter is for 75 The transmitter is forced off by something outside of
79 the driver's control. 76 the driver's control.
80 77
81 78
82 What: /sys/class/rfkill/rfkill[0-9]+ 79 What: /sys/class/rfkill/rfkill[0-9]+/soft
83 Date: 12-March-2010 80 Date: 12-March-2010
84 KernelVersion v2.6.34 81 KernelVersion v2.6.34
85 Contact: linux-wireless@vger.kernel.org 82 Contact: linux-wireless@vger.kernel.org
86 Description: Current softblock state. This 83 Description: Current softblock state. This file is read and write.
87 Values: A numeric value. 84 Values: A numeric value.
88 <<
89 0: inactive 85 0: inactive
90 The transmitter is (po 86 The transmitter is (potentially) active.
91 <<
92 1: active 87 1: active
93 The transmitter is tur 88 The transmitter is turned off by software.
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