[Bluez-users] creating the bnep0 device

[Bluez-users] creating the bnep0 device

[Jonathan Bredin]

hello all,

I have a pretty remedial question involving setting up bluettoth in 
Linux, but I don't think that I've seen any answers in the documentation 
or mailing list. 

I'm using kernel 2.6.11 with a LinkSys USBBT100 adaptor.  The adaptor 
can scan and ping other bluetooth devices with l2ping, but I'm having 
problems getting bnep0 recognized as a network interface.

ifconfig bnep0 returns
bnep0: error fetching interface information: Device not found

The fedora utility sees bnep0, but cannot activate it and returns
SIOCGIFFLAGS: No such device
when I try to deactivate it.

I get the same results when I use bluez/benp compiled into the kernel or 
loading them as modules.  /var/log/messages has the bluetooth messages:
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: L2CAP ver 2.7
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: L2CAP socket layer initialized
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM ver 1.5
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM socket layer 
initialized
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM TTY layer initialized
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: BNEP (Ethernet Emulation) 
ver 1.2
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: BNEP filters: protocol 
multicast
Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: HIDP (Human Interface 
Emulation) ver 1.1

Does anyone have suggestions to get bnep0 off the ground?

Thanks,

jonathan


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Re: [Bluez-users] creating the bnep0 device

[Marcel Holtmann]

Hi Jonathan,

> I have a pretty remedial question involving setting up bluettoth in 
> Linux, but I don't think that I've seen any answers in the documentation 
> or mailing list. 
> 
> I'm using kernel 2.6.11 with a LinkSys USBBT100 adaptor.  The adaptor 
> can scan and ping other bluetooth devices with l2ping, but I'm having 
> problems getting bnep0 recognized as a network interface.
> 
> ifconfig bnep0 returns
> bnep0: error fetching interface information: Device not found
> 
> The fedora utility sees bnep0, but cannot activate it and returns
> SIOCGIFFLAGS: No such device
> when I try to deactivate it.
> 
> I get the same results when I use bluez/benp compiled into the kernel or 
> loading them as modules.  /var/log/messages has the bluetooth messages:
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: L2CAP ver 2.7
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: L2CAP socket layer initialized
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM ver 1.5
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM socket layer 
> initialized
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM TTY layer initialized
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: BNEP (Ethernet Emulation) 
> ver 1.2
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: BNEP filters: protocol 
> multicast
> Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: HIDP (Human Interface 
> Emulation) ver 1.1
> 
> Does anyone have suggestions to get bnep0 off the ground?

what about using "pand --connect" before you try to use "ifconfig".

Regards

Marcel




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Re: [Bluez-users] creating the bnep0 device

[Anderson Rodrigues]

Hi Jonathan,


As Marcel has menssioned you should connect the devices using PAND
first. When the connection is ok the bnep0 is created automatically by
PAND. Ex:

GN side

pand --listen --role GN

PANU side:
pand --connect <bdaddr> --role PANU

If everything got OK you can apply an IP address at both sides

GN side:
#ifconfig bnep0 10.0.0.1

PANU side:
#ifconfig bnep0 10.0.0.2

so you can try ping one of these addresses 

hope it helps.

all the best

On Mon, 28 Mar 2005 12:41:13 +0200, Marcel Holtmann <marcel@holtmann.org> wrote:
> Hi Jonathan,
> 
> > I have a pretty remedial question involving setting up bluettoth in
> > Linux, but I don't think that I've seen any answers in the documentation
> > or mailing list.
> >
> > I'm using kernel 2.6.11 with a LinkSys USBBT100 adaptor.  The adaptor
> > can scan and ping other bluetooth devices with l2ping, but I'm having
> > problems getting bnep0 recognized as a network interface.
> >
> > ifconfig bnep0 returns
> > bnep0: error fetching interface information: Device not found
> >
> > The fedora utility sees bnep0, but cannot activate it and returns
> > SIOCGIFFLAGS: No such device
> > when I try to deactivate it.
> >
> > I get the same results when I use bluez/benp compiled into the kernel or
> > loading them as modules.  /var/log/messages has the bluetooth messages:
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: L2CAP ver 2.7
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: L2CAP socket layer initialized
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM ver 1.5
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM socket layer
> > initialized
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: RFCOMM TTY layer initialized
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: BNEP (Ethernet Emulation)
> > ver 1.2
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: BNEP filters: protocol
> > multicast
> > Mar 27 12:30:11 ma-jbredin kernel: Bluetooth: HIDP (Human Interface
> > Emulation) ver 1.1
> >
> > Does anyone have suggestions to get bnep0 off the ground?
> 
> what about using "pand --connect" before you try to use "ifconfig".
> 
> Regards
> 
> Marcel
> 
> 
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-- 
Anderson Clayton B. Rodrigues
Eng. de Software
Instituto Nokia de Tecnologia - INdT


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