On Tue, 2014-02-25 at 14:26 -0600, Thomas Pugliese wrote:
> Hi Oliver,
> There is some documentation for WUSB scattered across the files below but
> it is not very detailed.
>
> Documentation/usb/wusb-cbaf
> Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc
> Documentation/ABI/testing/sysfs-wusb_cbaf
> Documentation/ABI/testing/sysfs-bus-usb
>
> The basic set of steps to set up a WUSB connection are:
Thank you, there is some documentation. I am trying to get
my head around it.
Thanks
Oliver
> 1. Start the wireless channel by storing a CHID value to the host
> controller's wusb_chid sysfs attribute.
That unfortunately fails:
[66488.705043] usb 1-1.2: new high-speed USB device number 9 using
ehci-pci
[66488.791581] usb 1-1.2: New USB device found, idVendor=13cf,
idProduct=1200
[66488.791587] usb 1-1.2: New USB device strings: Mfr=2, Product=1,
SerialNumber=3
[66488.791599] usb 1-1.2: Product: Wireless USB Dongle
[66488.791601] usb 1-1.2: Manufacturer:
[66488.791603] usb 1-1.2: SerialNumber: 123456789
[66489.947323] usb 1-1.2: supported encryption types: CCM-1 (0x01)
[66489.947347] hwa-hc 1-1.2:1.0: Wireless USB HWA host controller
[66489.947355] hwa-hc 1-1.2:1.0: new USB bus registered, assigned bus
number 5
[66490.000964] hwa-hc 1-1.2:1.0: Wireless USB Cluster ID set to 0xfe
[66490.001146] usb usb5: New USB device found, idVendor=1d6b,
idProduct=0002
[66490.001150] usb usb5: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[66490.001152] usb usb5: Product: Wireless USB HWA host controller
[66490.001154] usb usb5: Manufacturer: Linux 3.14.0-rc1-12-desktop+
hwa-hcd
[66490.001156] usb usb5: SerialNumber: wusb-hwa
[66490.001346] hub 5-0:1.0: USB hub found
[66490.001378] hub 5-0:1.0: 5 ports detected
[66490.004861] uwb_rc uwb0: new uwb radio controller (mac
03:00:00:00:1c:af dev 70:b6) on usb 1-1.2:1.1
[66571.177082] uwb_rc uwb0: Cannot set new IE on device: -110
>
> 2. As child devices connect, verify that the value read from their
> wusb_cdid sysfs attribute matches a known device.
>
> 3. If the device is known, set the device's wusb_ck attribute to the
> private CKEY value for that device in order to authenticate it.
>
> 4. Once authenticated, set the authorized attribute to 1 to allow the usb
> core to enumerate the device.
>
> Once that is done, the device should look like any other USB device in the
> system.
>
> Hope this helps,
>
> Thomas
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