Re: bug? kernel does not send HCI Create Connection Cancel Command on shutdown() or close() of a connecting rfcomm socket

[Nick Pelly <npelly@google.com>]

On Tue, Jul 14, 2009 at 9:15 AM, Nick Pelly<npelly@google.com> wrote:
> On Mon, Jul 13, 2009 at 2:27 PM, Luiz Augusto von
> Dentz<luiz.dentz@gmail.com> wrote:
>> Hi Nick,
>>
>> On Mon, Jul 13, 2009 at 12:46 PM, Nick Pelly<npelly@google.com> wrote:
>>> Any comments on this patch?
>>>
>>> It works for me, but my understanding of the RFCOMM state machine is naive.
>>>
>>
>> iirc BT_CONFIG(PN frame) means the DLC is being configured than we got
>> into connecting phase (BT_CONNECT) and send SABM frame. Only when
>> receiving UA frame DLC is consider connected (BT_CONNECTED), so your
>> patch seems good by assuming that we don't need to send a DISC for a
>> DLC not connected. But there is still a good use for it to cancel the
>> DLC connection attempt, so perhaps a better alternative would be to
>> use a much shorter timeout in those cases.
>
> Thanks for the advice.
>
> I have prepared a new patch which uses a very short timeout (10ms) on
> the DLC disconnect when in BT_CONFIG. I have tested this patch and it
> also resolves the issue. Patch attached.

ping

I will be offline for 2 weeks from tomorrow, so if there is further
testing or patches you would like me to try then I won't be able to
help after tomorrow.

Nick