Re: [Bluez-devel] pand vs. rfcomm

[Marcel Holtmann <marcel@holtmann.org>]

Hi Richard,

> I have rfcomm working among a few small embedded devices for
> transferring small amounts of data - less than 100 bytes of data per
> second. I have a master and four slaves in a small piconet. 
> 
> Now I'm adding a higher bandwidth connection between my master and
> another device with pand. The master is an embedded xScale single
> board computer Linux 2.4.26 with the latest patches. The other device
> here is an iPAQ 5550 with built in bluetooth - running Familiar Linux.
> A single bnep connection is established OK and seems to work pretty
> well. If I establish a bnep connection, I can do all the usual TCP/IP
> stuff between the two - ping, telnet, ftp work just fine. But I'm
> wondering if the bnep connection interferes with the rfcomm's that are
> used in the piconet. Can I have multiple asynchronous processes using
> bnep and rfcomm without interfering with each other ? 
> 
> Here's what happens:
> - I start up my system and the four rfcomm's are bound and
> transferring data. I've had this running for hours with no problems.
> 
> - Then I start the pand and this establishes the bnep connection OK. I
> can ping, ftp, etc.
> 
> - After a few minutes, the bnep connection fails to transmit any more
> data.
> 
> Is this to be expected ? 

maybe there is a bug somewhere. Are you using my latest -mh patch? Have
you tried to include the small checksum fix from David?

Regards

Marcel




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