From c8cf2465fcfc16877f4f9e8dccc6b89b543fa2c5 Mon Sep 17 00:00:00 2001 From: David Vrabel Date: Wed, 17 Sep 2008 16:34:41 +0100 Subject: uwb: document UWB and WUSB sysfs files Add some brief documentation on the UWB and WUSB related sysfs files. Signed-off-by: David Vrabel --- Documentation/ABI/testing/sysfs-class-usb_host | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-usb_host (limited to 'Documentation/ABI/testing/sysfs-class-usb_host') diff --git a/Documentation/ABI/testing/sysfs-class-usb_host b/Documentation/ABI/testing/sysfs-class-usb_host new file mode 100644 index 00000000000..46b66ad1f1b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-usb_host @@ -0,0 +1,25 @@ +What: /sys/class/usb_host/usb_hostN/wusb_chid +Date: July 2008 +KernelVersion: 2.6.27 +Contact: David Vrabel +Description: + Write the CHID (16 space-separated hex octets) for this host controller. + This starts the host controller, allowing it to accept connection from + WUSB devices. + + Set an all zero CHID to stop the host controller. + +What: /sys/class/usb_host/usb_hostN/wusb_trust_timeout +Date: July 2008 +KernelVersion: 2.6.27 +Contact: David Vrabel +Description: + Devices that haven't sent a WUSB packet to the host + within 'wusb_trust_timeout' ms are considered to have + disconnected and are removed. The default value of + 4000 ms is the value required by the WUSB + specification. + + Since this relates to security (specifically, the + lifetime of PTKs and GTKs) it should not be changed + from the default. -- cgit v1.2.3