Hi Marcel,
The LM decides which packets to use to send data based on link quality.
How can I read or trace the packet type I am using currently? Or
rather if the packet type changes...will an event be generated? Do the
packet types change dynamically......as the link quality varies???
Can I somehow avoid FEC checks???May be by using DH packets......but I
know you say I shouldn't change packet types??? Is there someother
method to do so.
thanks ,
regards,
Manjunath
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Hi Marcel,
On Mon, 06 Dec 2004 14:30:45 +0100, Marcel Holtmann <[email protected]> wrote:
> Hi Manjunath,
>
> > The LM decides which packets to use to send data based on link quality.
> > How can I read or trace the packet type I am using currently? Or
> > rather if the packet type changes...will an event be generated? Do the
> > packet types change dynamically......as the link quality varies???
>
> the link manager has a list of packet types it is able to use and it
> will use them. There exists a command to change the packet types of an
> already created connection and this command will also create an event
> that informs you that the packet types have changed. Besides this you
> can only guess from the size of ACL data packets what packet type the
> link manager is using and this is not an exact science.
>
> > Can I somehow avoid FEC checks???May be by using DH packets......but I
> > know you say I shouldn't change packet types??? Is there someother
> > method to do so.
>
> No, because DM1 is always allowed.
After a connection is established, I can change the packet to any of
the DH types and avoid FEC........did you mean that even then DM1 is
allowed.
Does, opening a socket and then connect() at the
L2CAP......automatically establish an HCI connection first and then an
L2CAP connection on top of it?? This is what HCI dump shows..
Can I in someway just create an HCI connection and then pump HCI data
packet with some known payload??? In a way, just pump raw bits.....
Thanks,
Regards,
Manjunath
>
> Regards
>
> Marcel
>
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Hi Manjunath,
> The LM decides which packets to use to send data based on link quality.
> How can I read or trace the packet type I am using currently? Or
> rather if the packet type changes...will an event be generated? Do the
> packet types change dynamically......as the link quality varies???
the link manager has a list of packet types it is able to use and it
will use them. There exists a command to change the packet types of an
already created connection and this command will also create an event
that informs you that the packet types have changed. Besides this you
can only guess from the size of ACL data packets what packet type the
link manager is using and this is not an exact science.
> Can I somehow avoid FEC checks???May be by using DH packets......but I
> know you say I shouldn't change packet types??? Is there someother
> method to do so.
No, because DM1 is always allowed.
Regards
Marcel
-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://productguide.itmanagersjournal.com/
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