mirror of https://gitee.com/openkylin/linux.git
154 lines
5.4 KiB
Plaintext
154 lines
5.4 KiB
Plaintext
What: /sys/class/uwb_rc
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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Interfaces for WiMedia Ultra Wideband Common Radio
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Platform (UWB) radio controllers.
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Familiarity with the ECMA-368 'High Rate Ultra
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Wideband MAC and PHY Specification' is assumed.
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What: /sys/class/uwb_rc/beacon_timeout_ms
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Date: July 2008
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KernelVersion: 2.6.27
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Description:
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If no beacons are received from a device for at least
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this time, the device will be considered to have gone
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and it will be removed. The default is 3 superframes
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(~197 ms) as required by the specification.
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What: /sys/class/uwb_rc/uwbN/
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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An individual UWB radio controller.
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What: /sys/class/uwb_rc/uwbN/beacon
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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Write:
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<channel>
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to force a specific channel to be used when beaconing,
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or, if <channel> is -1, to prohibit beaconing. If
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<channel> is 0, then the default channel selection
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algorithm will be used. Valid channels depends on the
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radio controller's supported band groups.
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Reading returns the currently active channel, or -1 if
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the radio controller is not beaconing.
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What: /sys/class/uwb_rc/uwbN/ASIE
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Date: August 2014
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KernelVersion: 3.18
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Contact: linux-usb@vger.kernel.org
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Description:
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The application-specific information element (ASIE)
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included in this device's beacon, in space separated
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hex octets.
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Reading returns the current ASIE. Writing replaces
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the current ASIE with the one written.
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What: /sys/class/uwb_rc/uwbN/scan
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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Write:
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<channel> <type> [<bpst offset>]
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to start (or stop) scanning on a channel. <type> is one of:
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0 - scan
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1 - scan outside BP
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2 - scan while inactive
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3 - scanning disabled
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4 - scan (with start time of <bpst offset>)
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What: /sys/class/uwb_rc/uwbN/mac_address
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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The EUI-48, in colon-separated hex octets, for this
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radio controller. A write will change the radio
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controller's EUI-48 but only do so while the device is
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not beaconing or scanning.
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What: /sys/class/uwb_rc/uwbN/wusbhc
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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A symlink to the device (if any) of the WUSB Host
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Controller PAL using this radio controller.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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A neighbour UWB device that has either been detected
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as part of a scan or is a member of the radio
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controllers beacon group.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/BPST
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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The time (using the radio controllers internal 1 ms
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interval superframe timer) of the last beacon from
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this device was received.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/DevAddr
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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The current DevAddr of this device in colon separated
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hex octets.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/EUI_48
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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The EUI-48 of this device in colon separated hex
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octets.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/IEs
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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The latest IEs included in this device's beacon, in
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space separated hex octets with one IE per line.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/LQE
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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Link Quality Estimate - the Signal to Noise Ratio
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(SNR) of all packets received from this device in dB.
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This gives an estimate on a suitable PHY rate. Refer
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to [ECMA-368] section 13.3 for more details.
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What: /sys/class/uwb_rc/uwbN/<EUI-48>/RSSI
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Date: July 2008
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KernelVersion: 2.6.27
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Contact: linux-usb@vger.kernel.org
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Description:
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Received Signal Strength Indication - the strength of
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the received signal in dB. LQE is a more useful
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measure of the radio link quality.
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