Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:50927 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751062AbaJWQhQ (ORCPT ); Thu, 23 Oct 2014 12:37:16 -0400 Received: by mail-wi0-f178.google.com with SMTP id q5so1300311wiv.17 for ; Thu, 23 Oct 2014 09:37:15 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <5447CF6D.3010401@mailservices.uwaterloo.ca> <54490E8A.50607@mailservices.uwaterloo.ca> Date: Thu, 23 Oct 2014 09:37:15 -0700 Message-ID: (sfid-20141023_183721_995909_6D841989) Subject: Re: [ath9k-devel] Block ACK without frame aggregation From: Adrian Chadd To: Kamran Nishat Cc: Ali Abedi , "(ath9k-devel@lists.ath9k.org)" , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: I don't think the hardware supports immediate-BA. :( -a On 23 October 2014 07:32, Kamran Nishat 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 > 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 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 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 >>>>> ath9k-devel@lists.ath9k.org >>>>> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >>> >>> >> > > > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel >