Hi,
I removed the the l2cap module by using:
1. rmmod -w (-f) l2cap
2. modprobe -r l2cap
But after starting my program it is always reloaded.
Is there any other command that prevents this reloading permanently?
Many thanks
Matthias
The Trace:
L2CAP
In/Out: From own program to mobile phone
L2CAP: (Logical Link Control and Adaptation Protocol)
Length: 0x0008 (8 bytes)
CID: 0x0001 (Signalling Channel)
Code: 0x02 (Connection Request)
Identifier: 0x01
Length: 0x0004 (4 bytes)
PSM: 0x0003 (RFCOMM)
Source CID: 0x005d (Connection-oriented Data Channel)
DataDump:
08 00 01 00 02 01 04 00 03 00 5d 00 ..........].
L2CAP
In/Out: Incoming from phone
L2CAP: (Logical Link Control and Adaptation Protocol)
Length: 0x000c (12 bytes)
CID: 0x0001 (Signalling Channel)
Code: 0x03 (Connection Response)
Identifier: 0x01
Length: 0x0008 (8 bytes)
Destination CID: 0x0040 (Connection-oriented Data Channel)
Source CID: 0x005d (Connection-oriented Data Channel)
Result: 0x0000 (Connection successful)
Status: 0x0000 (No further information available)
DataDump:
0c 00 01 00 03 01 08 00 40 00 5d 00 00 00 00 00 ........@.].....
L2CAP
In/Out: Incoming from phone
L2CAP: (Logical Link Control and Adaptation Protocol)
Length: 0x000c (12 bytes)
CID: 0x0001 (Signalling Channel)
Code: 0x04 (Configuration Request)
Identifier: 0x0e
Length: 0x0008 (8 bytes)
Destination CID: 0x005d (Connection-oriented Data Channel)
Flags: .... ...0 [Not set] (Continuation flag not set)
Option Type: .000 0001 [0x1] (Maximum Transmission Unit (MTU))
Option Type: 0... .... [Not set] (Option must be
recognized; refuse the configuration request)
Length: 0x02 (2 bytes)
Maximum Transmission Unit: 0x8004 (32772 bytes)
DataDump:
0c 00 01 00 04 0e 08 00 5d 00 00 00 01 02 04 80 ........].......
L2CAP
In/Out: From BlueZ to mobile phone
L2CAP: (Logical Link Control and Adaptation Protocol)
Length: 0x0006 (6 bytes)
CID: 0x0001 (Signalling Channel)
Code: 0x01 (Command Reject)
Identifier: 0x01
Length: 0x0002 (2 bytes)
Reason: 0x0000 (Command not understood)
DataDump:
06 00 01 00 01 01 02 00 00 00 ..........
L2CAP
In/Out: From BlueZ to mobile phone
L2CAP: (Logical Link Control and Adaptation Protocol)
Length: 0x0006 (6 bytes)
CID: 0x0001 (Signalling Channel)
Code: 0x01 (Command Reject)
Identifier: 0x0e
Length: 0x0002 (2 bytes)
Reason: 0x0000 (Command not understood)
DataDump:
06 00 01 00 01 0e 02 00 00 00 ..........
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Hi Matthias,
> I removed the the l2cap module by using:
> 1. rmmod -w (-f) l2cap
> 2. modprobe -r l2cap
>
> But after starting my program it is always reloaded.
> Is there any other command that prevents this reloading permanently?
if you wanna use the L2CAP raw socket then this is not possible, because
you need the kernel module for that socket. The only way is to do this
directly over the HCI raw socket or to modify the L2CAP code to ignore
messages with idents from the userspace.
Regards
Marcel
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