On Thu, 2014-03-27 at 14:31 -0400, Glenn Schmottlach wrote:
> Just be to clear, the behavior you are expecting to see is that all
> Gadget related services "disappear" when tethering is enabled,
> correct?
Yes.
> I haven't used the offered tethering feature before (e.g. my
> patches allow ConnMan to configure and manage USB Gadget interfaces as
> a service - akin to wired ethernet) so I'm not completely sure of the
> setup.
>
> Is the idea that if Connman has a Gadget USB interface configured
> locally (so it appears as a ConnMan service), merely invoking:
>
> # connmanctl gadget on
>
> will cause the USB Gadget service to disappear? Is this the behavior I will
> see?
If the techology was powered off, connmanctl enable gadget will turn on
gadget technology and make a gadget service appear (only when a cable is
connected, we hope).
connmanctl tether gadget on will enable tethering for the gadget device
and the gadget service will now disappear. We really can't have a gadget
service hanging around if gadget tethering is enabled as there is only
one IP link over the USB cable. It really can't be shared between
client/service and server/tethering roles. (the only example of the
opposite is Bluetooth, but there the whole thing was properly defined in
the first place).
connmanctl tether gadget off should restore the gadget service, but the
results may deviate a bit depending on what rtnl messages in which order
the kernel actually sends. Exiting e.g. ethernet tethering needs a cable
unplug/plug in to make proper things happen, this behavior is for
further study and if someone wants to fix it, go ahead... :-)
Cheers,
Patrik
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