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From: Anderson Lizardo <anderson.lizardo@openbossa.org>
To: Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	Andre Guedes <andre.guedes@openbossa.org>,
	linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH v2 06/11] Bluetooth: Advertising entries lifetime
Date: Tue, 7 Jun 2011 11:32:29 -0400	[thread overview]
Message-ID: <BANLkTim0KwYnN6w+R57TKoDVXnsePWTg8g@mail.gmail.com> (raw)
In-Reply-To: <20110607150202.GA1952@dell.ccr.corp.intel.com>

Hi Johan,

On Tue, Jun 7, 2011 at 11:02 AM, Johan Hedberg <johan.hedberg@gmail.com> wrote:
> Hi Luiz,
>
> On Tue, Jun 07, 2011, Luiz Augusto von Dentz wrote:
>> Maybe we should not trigger the timer if the we are connected to the
>> device, this would be very convenient if a disconnect happen for
>> unknown reason e.g. bug or crash so we can quickly reconnect without
>> having to scan again, once disconnected then we start the entry timer,
>> what do you think?
>
> Initially this sounds like a good idea, however almost all of the
> devices we've tested with automatically disable advertising when
> connected so an immediate reconnect attempt like that would fail in most
> cases.

Correct. And by reading the connection procedures from specs, looks
like this is intentional, because they leave the "connectable mode".
Devices which want to be reconnected (e.g. which have a pending
indication) should reenter connectable mode manually. The spec also
describes when the adapter should re-attempt connection establishment.
Therefore, this is GATT profile specific and IMHO we cannot hard-code
connection mode behavior on the kernel.

Vol. 3, Part C, Section 9 describes all the available operational modes.

Regards,
-- 
Anderson Lizardo
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil

  reply	other threads:[~2011-06-07 15:32 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-21  0:10 [PATCH v2 01/11] Bluetooth: Add advertising report meta event structs Andre Guedes
2011-05-21  0:10 ` [PATCH v2 02/11] Bluetooth: LE advertising cache Andre Guedes
2011-05-21  0:10 ` [PATCH v2 03/11] Bluetooth: Add Advertising Report Meta Event handler Andre Guedes
2011-05-21  0:10 ` [PATCH v2 04/11] Bluetooth: LE Set Scan Enable command complete event Andre Guedes
2011-05-24 10:42   ` Ville Tervo
2011-05-25 16:42     ` Andre Guedes
2011-05-21  0:10 ` [PATCH v2 05/11] Bluetooth: Clear advertising cache before scanning Andre Guedes
2011-05-24 10:51   ` Ville Tervo
2011-05-21  0:10 ` [PATCH v2 06/11] Bluetooth: Advertising entries lifetime Andre Guedes
2011-06-07  5:18   ` Luiz Augusto von Dentz
2011-06-07 15:02     ` Johan Hedberg
2011-06-07 15:32       ` Anderson Lizardo [this message]
2011-06-07 19:08     ` Andre Guedes
2011-06-09 18:20       ` Claudio Takahasi
2011-05-21  0:10 ` [PATCH v2 07/11] Bluetooth: Add 'dst_type' field to struct hci_conn Andre Guedes
2011-05-24 11:08   ` Ville Tervo
2011-05-21  0:10 ` [PATCH v2 08/11] Bluetooth: Add 'dst_type' param to hci_conn_add() Andre Guedes
2011-05-21  0:10 ` [PATCH v2 09/11] Bluetooth: Remove useless check in hci_connect() Andre Guedes
2011-05-24 11:13   ` Ville Tervo
2011-05-21  0:10 ` [PATCH v2 10/11] Bluetooth: Check advertising cache " Andre Guedes
2011-05-24 11:15   ` Ville Tervo
2011-05-21  0:10 ` [PATCH v2 11/11] Bluetooth: Set 'peer_addr_type' in hci_le_connect() Andre Guedes
2011-05-24 11:16   ` Ville Tervo

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