Re: [Bluez-users] [Bluez-devel] How to setup a reliable RFCOMM connection

[Marcel Holtmann <marcel@holtmann.org>]

Hi,

> > > How to setup a reliable RFCOMM connection, that is, a connection with
> > > infinite flush timeout. I find the RFCOMM_LM_RELIABLE option in the
> > > example program l2test.c. It compiles, but at runtime setsockopt with
> > > RFCOMM_LM give me an error. I'm using kernel-2.4.21 patched by
> > > patch-2.4.21-mh10. So what's the problem. Doesn't kernel-2.4.21-mh10
> > > support RFCOMM_LM? If so, how can I setup a reliable RFCOMM connection?
> > 
> > the RFCOMM channels are always reliable. No need for any other options.
> > 
> Does that mean that the Automatic Flush Timeout Timer for the L2CAP
> connection underlying the RFCOMM connection is set to 0xFFFF by
> default? And when does the RFCOMM_LM option introduced?

this won't fly. The underlaying L2CAP connection must be reliable and so
we are not using an automatic flush timeout at all for that channel.
Please check the specification for details.

Regards

Marcel



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