2014-10-23 16:37:16

by Adrian Chadd

[permalink] [raw]
Subject: Re: [ath9k-devel] Block ACK without frame aggregation

I don't think the hardware supports immediate-BA. :(



-a

On 23 October 2014 07:32, Kamran Nishat <[email protected]> wrote:
> It is a part of 802.11n because of compatibility with 802.11e. But because
> 802.11n gives a much more advanced AMPDU based thing I think no one
> implemented it. It not a mandatory part of WMM I suppose.
>
> On Thu, Oct 23, 2014 at 7:22 PM, Kamran Nishat <[email protected]>
> wrote:
>>
>> I was talking about the same one. it was introduced in 802.11e (Tx-OP) not
>> in 802.11n
>>
>> On Thu, Oct 23, 2014 at 7:19 PM, Ali Abedi <[email protected]> wrote:
>>>
>>> Dear Adrian and Kamran,
>>>
>>> Thanks for your replies. I think we are not referring to the same
>>> concept.
>>> Can you please have a look at the attache diagram. I need the middle one
>>> the immediate BA not delayed BA.
>>>
>>>
>>> Thanks,
>>> Ali
>>>
>>>
>>>
>>>
>>> On 14-10-22 11:18 PM, Adrian Chadd wrote:
>>>>
>>>> I don't think mac80211 supports delayed-BA. :(
>>>>
>>>>
>>>> -adrian
>>>>
>>>>
>>>> On 22 October 2014 08:38, Ali Abedi <[email protected]> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I am interested to know if we can send multiple packets
>>>>> (non-aggregated,
>>>>> single packets) and then ask
>>>>> for a block ACK? I like to know if this functionality has been
>>>>> implemented in ath9k or if
>>>>> it is possible to achieve this with slight code modifications.
>>>>>
>>>>> What I need:
>>>>> Frame-SIFS-Frame-SIFS-Frame-SIFS-REQ Block ACK-SIFS-Block ACK
>>>>>
>>>>> Best,
>>>>> Ali
>>>>> _______________________________________________
>>>>> ath9k-devel mailing list
>>>>> [email protected]
>>>>> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
>>>
>>>
>>
>
>
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