Re: DBUS API: Retrieve current MTU used by remote device

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Dear all, dear Oliver,

On 05.07.2017 00:45, Olivier MARTIN wrote:

> I looked into the Bluez DBUS API documentation but I have not found
> a way to retrieve the MTU size used for the connection between
> Bluez and a Bluetooth device.

I am also trying to solve this Problem. Cf. my mail earlier on this
list. I suppose that you, Oliver, did not receive it, so I quote:

> I am trying to figure out the MTU of a BLE connection while it is 
> active. If I understand the Core Specification correctly, this can 
> be accomplished with the "Exchange MTU Request" as specified in
> Vol. 3, Part F, Section 3.4.2.
> 
> 1. I know one can send HCI commands with the hcitool. Is it also 
> possible to issue the request specified above using any of the 
> existing hciconfig, hcitool, hciXXX tools to find the MTU?
> 
> 2. There is a connection of which I know that its MTU is 512.
> Still, running 'hciconfig hci0 dev' reports 'ACL MTU: 310:10'. Why
> is that so?

If you figure out how to determine the MTU, I would definitely be
interested. Keep me (i.e. the list) posted.

Best, Felix
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