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Re: [bluetooth-dev] Interoperability..........



Hi Mats,

Which specification are you referring to?  In Section 6.1 of the L2CAP spec
the default MTU is defined to by 672 bytes.

Ben

----- Original Message -----
From: "Mats Fridén" <mats.friden@xxxxxxx.com>
To: "'Frank Meyering'" <meyering@xxxxxxx.de>; "Mattias Ĺgren"
<mattias.agren@xxxxxxx.com>
Cc: <bluetooth-dev@xxxxxxx.com>
Sent: Wednesday, November 01, 2000 12:37 AM
Subject: RE: [bluetooth-dev] Interoperability..........


> Hi,
>
> The default MTU is set to 127 bytes according to the specification. If you
want a larger MTU you need to negotiate it, by sending a PN message. If you
want a larger MTU you have to increase the MTU set in the PN message sent in
rfcomm_connect_req.
>
> Best Regards
>
> Mats Fridén
> AXIS Communications
>
> > -----Original Message-----
> > From: Frank Meyering [mailto:meyering@xxxxxxx.de]
> > Sent: Tuesday, October 31, 2000 10:47 AM
> > To: Mattias Ĺgren
> > Cc: bluetooth-dev@xxxxxxx.com
> > Subject: AW: [bluetooth-dev] Interoperability..........
> >
> >
> > Hi
> >
> > Here is a patch for the original Axis bluetooth_20000814.tgz
> > to support CSR
> > Hardware. hci_reset and read_ericsson_rev_info are deleted in
> > this version
> > and the values of write_pagescan_activity are "hard coded".
> > Also I found out, that the maximum RFCOMM MTU is 240 for CSR.
> > Ericsson Kits
> > are supporting even more then 240. Why is it set to 127? The
> > link becomes
> > faster with 240.
> >
> > best regards
> >
> > Frank Meyering
> >
> >
> > -----Ursprüngliche Nachricht-----
> > Von: Mattias Ĺgren [mailto:mattias.agren@xxxxxxx.com]
> > Gesendet: Freitag, 27. Oktober 2000 12:18
> > An: 'Frank Meyering'
> > Betreff: RE: [bluetooth-dev] Interoperability..........
> >
> >
> > Hi,
> > I'm pleased to hear that you have successfully been able to
> > use the stack on
> > CSR hardware. We are about to release a new version of the
> > stack today (at
> > the latest on monday) which is a bit more general when
> > setting the stack to
> > use different hardware.
> > Is it possible to get a diff on your code and see how much
> > that easily could
> > be included. If the changes easily code be included we might
> > do this soon.
> > However, since there has been quite a few changes since last release
> > (unfortunately our own product development has consumed most
> > time which made
> > the release-rate on external code suffer).
> > The best would probably be for you to work on the new stack
> > if it is not too
> > much trouble. Is that ok ? Anyway, a diff on what there is
> > now would be
> > useful for us.
> >
> > Our system department has promised us a open cvs server any
> > day now which
> > hopefully will solve these issues.
> >
> > brgds
> > Mattias
> >
> > -----Original Message-----
> > From: Frank Meyering [mailto:meyering@xxxxxxx.de]
> > Sent: den 27 oktober 2000 09:40
> > To: Chervirala Srinivas
> > Cc: bluetooth-dev@xxxxxxx.com
> > Subject: AW: [bluetooth-dev] Interoperability..........
> >
> >
> > Hi,
> >
> > I have no problems connecting Ericsson Bluetooth Starter Kits
> > with CSR Kits
> > (Firmware beta-7). But the connection is a little bit slower
> > (about 10%).
> > I'm using version 20000814 with the usermode patch (is able
> > to run ppp with
> > the usermode stack, you don't need a kernel module). But I
> > had to do some
> > changes in the stack for the csr module. Don't hesitate to
> > contact me, if
> > you have further questions or if you want to receive a copy
> > of my stack.
> >
> > best regards
> >
> > Frank
> >
> > -----Ursprüngliche Nachricht-----
> > Von: owner-bluetooth-dev@xxxxxxx.com
> > [mailto:owner-bluetooth-dev@xxxxxxx.com]Im Auftrag von
> > Chervirala Srinivas
> > Gesendet: Freitag, 27. Oktober 2000 03:55
> > An: bluetooth-dev@xxxxxxx.com
> > Betreff: [bluetooth-dev] Interoperability..........
> >
> >
> > Hi,
> >
> > I would like to know whether any body tested interoperability
> > of AXIS Stack.
> >
> > When I tried to establish connection by using SPP with CSR
> > and Ericsson
> > modules using AXIS Stack, I am getting 'connection failed' statement.
> >
> > Expecting an early reply...
> >
> > Thanks
> > Srinivas Chervirala
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