L2CAP doesn't seem to be up

[Maksim Yevmenkin]

On 3/23/07, ml-vic at de-martino.it <ml-vic at de-martino.it> wrote:
> After struggling with the pieces of documentation around, I
> was able to make my cellular phone to pair with the noteboob
> via a usb bt dongle.
> Now it is connected. Nevertheless if I--->>>
>
> ## 00:12:d2:65:c2:03 My cell phone
>
> NbBSD# l2ping -a 00:12:d2:65:c2:03
> 0 bytes from e61 seq_no=0 time=2458.346 ms result=0
> 0 bytes from e61 seq_no=1 time=91.986 ms result=0
> 0 bytes from e61 seq_no=2 time=55.169 ms result=0

this looks normal. nokia's usually do not return payload in l2cap echo
response.

> NbBSD# l2control -a 00:12:d2:65:c2:03 read_Channel_List
> l2control: Could not bind socket, bdaddr=00:12:d2:65:c2:03:
> Network is down

for the last time, please _read_man_page_

% man l2control

-a BD_ADDR
	     Connect to the local device with the specified BD_ADDR.  Example:
	     -a 00:01:02:03:04:05.

the address you specify in the l2control command line is the address
of _local_ device. not remote. local means address of your bluetooth
dongle.

also l2ping will not create a l2cap connection because l2cap echo
request/response go over control l2cap channel.

just try to use

sdpcontrol to query  your phone for servies. if you see response -
then everything is working.


>  and also
>
> NbBSD# hccontrol -n ubt0hci create_connection
> 00:12:d2:65:c2:03
> BD_ADDR: e61
> Connection handle: 42
> Encryption mode: Disabled [0]


why are you keep doing this? you do not have to use low level (i.e.
hci) commands to create connections etc.


max

>
> NbBSD# hccontrol -n ubt0hci read_connection_list
> Remote BD_ADDR    Handle Type Mode Role Encrypt Pending
> Queue State
>
>
> NbBSD# l2control -a 00:12:d2:65:c2:03 read_Connection_List
> l2control: Could not bind socket, bdaddr=00:12:d2:65:c2:03:
> Network is down
>
> If I try
>
> NbBSD# hccontrol -n ubt0hci create_connection e61
> BD_ADDR: e61
> Connection handle: 42
> Encryption mode: Disabled [0]
> NbBSD# hccontrol -n ubt0hci read_connection_list
> Remote BD_ADDR    Handle Type Mode Role Encrypt Pending
> Queue State
>
> Why is the L2CAP is not up?
>
> Ciao
> Vittorio
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