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Diffstat (limited to 'kernel/Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc')
| -rw-r--r-- | kernel/Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc b/kernel/Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc new file mode 100644 index 000000000..5977e2875 --- /dev/null +++ b/kernel/Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc @@ -0,0 +1,57 @@ +What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_chid +Date: July 2008 +KernelVersion: 2.6.27 +Contact: David Vrabel <david.vrabel@csr.com> +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/uwb_rc/uwbN/wusbhc/wusb_trust_timeout +Date: July 2008 +KernelVersion: 2.6.27 +Contact: David Vrabel <david.vrabel@csr.com> +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. + +What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_phy_rate +Date: August 2009 +KernelVersion: 2.6.32 +Contact: David Vrabel <david.vrabel@csr.com> +Description: + The maximum PHY rate to use for all connected devices. + This is only of limited use for testing and + development as the hardware's automatic rate + adaptation is better then this simple control. + + Refer to [ECMA-368] section 10.3.1.1 for the value to + use. + +What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_dnts +Date: June 2013 +KernelVersion: 3.11 +Contact: Thomas Pugliese <thomas.pugliese@gmail.com> +Description: + The device notification time slot (DNTS) count and inverval in + milliseconds that the WUSB host should use. This controls how + often the devices will have the opportunity to send + notifications to the host. + +What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_retry_count +Date: June 2013 +KernelVersion: 3.11 +Contact: Thomas Pugliese <thomas.pugliese@gmail.com> +Description: + The number of retries that the WUSB host should attempt + before reporting an error for a bus transaction. The range of + valid values is [0..15], where 0 indicates infinite retries. |