[Bluez-devel] About l2cap patch to handle multiple connections....

[Fabrizio Guglielmino <guglielmino@infitsrl.com>]

Hi I'm trying to play with the patch to make it work (as Marcel said it =

hangs my machine).

First I'm trying a simple debug by printing to find where it hangs...

There is a first question about this: various BT_DBG statements that =

print bluetooth address
in string format (using batostr) print them in reverse =

order(00:01:02.... is printed 02:01:00).
My test machine is a powerpc based mac, I've used in user-space the =

ba2str  without problems in same architecture
so I'm confused about this.

An other dubt is about following log :

Jul 31 10:36:39 localhost kernel: [  596.604617] Bluetooth: =

00:00:00:00:00:00 -> 44:53:25:E3:01:00 psm 0x300
Jul 31 10:36:39 localhost kernel: [  596.606752] Bluetooth: =

00:00:00:00:00:00 -> 20:68:2A:2D:09:00 psm 0x300
(address are in reverse order as I said above)

Why psm is 0x300? May be also the psm in reverse order and really it's =

0x003 (RFCOMM) as I would have expected ?

Many thanks
Fabrizio


Marcel Holtmann ha scritto:
> Hi Fabrizio,
>
>   =

>> I'm trying to use the patch to handle multiple l2cap connection, I'm not =

>> a kernel/modules expert developer so
>> I need a little help.
>> Firts I'm trying to understand what the patch do and I think it's clear =

>> (is used a linked list to handle multiple connection).
>>     =

>
> one warning up-front. I never actually ran this patch on any machine. It
> is only compile tested. So it might crash your system.
>
>   =

>> My problems are with kernel programming enviromnment:
>>
>> 1) I'm using kernel-2.6.10 I have to update to a more recent version?
>>     =

>
> It might work, but I advise you to develop against 2.6.18-rc2 or even
> the Git repository from Linus.
>
>   =

>> 2) Is there some documentation about bluez kernel modules? I need to =

>> understand how modules works to make try to make the patch.
>>     =

>
> Check out the kernel documentation itself. There exists no specific
> BlueZ documentation for kernel programming.
>
> Regards
>
> Marcel
>
>
>
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-- =

______________________________
Fabrizio Guglielmino =

Infit Srl
Software Engineering
Tel. +39 11 7410915
Fax. +39 11 7410915
www.infitsrl.com
C.so Svizzera, 79/8 - Torino
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