Re: BT 3.0 HS Support in BlueZ

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Gustavo,

On Mon, 9 May 2011, Gustavo F. Padovan wrote:

Hi Mat,

* Mat Martineau <mathewm@xxxxxxxxxxxxxx> [2011-05-05 16:27:17 -0700]:


On Thu, 5 May 2011, Gustavo F. Padovan wrote:

Hi Arun,

* Arun Kumar SINGH <arunkr.singh@xxxxxxxxxxxxxx> [2011-05-05 09:26:58 +0200]:

Hi Gustavo,

Does anybody know if
bluetooth 3.0 HS spec is
supported in BlueZ?
Is AMP supported in BlueZ?

There is two different
implementations, one by
Atheros and another by QuIC.
Both never reach upstream,
if you look to the list logs
you will find them.


Any hopes of getting this unified version upstream anytime in near future? I guess this has been on the cards for some time now given that merge process started last august.

I'm interested in have this on the stack but it doesn't depend on me.
Patches for this are not arriving to the mailing list. Actually we had no real
feedback for AMP since the meeting in Boston.

Gustavo, Arun:

We do still plan to upstream our Bluetooth 3.0 + HS implementation.  I
will start work on upstreaming later this month, but I need to merge
in all of the recent L2CAP refactoring changes.

Also note that Qualcomm and Atheros have announced a merger.

You can find the kernel AMP implementation in the codeaurora.org
Android git trees:

git://codeaurora.org/kernel/msm.git
https://www.codeaurora.org/gitweb/quic/la/?p=kernel/msm.git;a=summary

The android-msm-2.6.35 and msm-2.6.38 branches contain the AMP code.


Please let me know if you have any other questions about AMP.

Isn't Extended Flow Specification a required feature for AMP? I haven't seen
it in your implementation.

Extended Flowspec is needed to create an L2CAP channel directly on AMP, but the implementation you're looking at does not implement the "create channel" feature. Channels are created on BR/EDR and moved to AMP, which does not require extended flowspec.


--
Mat Martineau
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum
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