Return-path: Received: from mail-gy0-f174.google.com ([209.85.160.174]:53492 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752475Ab1HYMSz (ORCPT ); Thu, 25 Aug 2011 08:18:55 -0400 Received: by gya6 with SMTP id 6so1685271gya.19 for ; Thu, 25 Aug 2011 05:18:54 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1314265865-20208-1-git-send-email-arik@wizery.com> References: <1314265865-20208-1-git-send-email-arik@wizery.com> Date: Thu, 25 Aug 2011 14:18:54 +0200 Message-ID: (sfid-20110825_141858_790676_3C446C3D) Subject: Re: [PATCH 1/2] mac80211: add flag to indicate HW only Tx-agg support From: Helmut Schaa To: Arik Nemtsov Cc: linux-wireless@vger.kernel.org, Luciano Coelho , Johannes Berg Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, On Thu, Aug 25, 2011 at 11:51 AM, Arik Nemtsov wrote: > When this flag is set, Tx aggregations will not be initiated even > if the hardware supports A-MPDU aggregation in general. This flag > is required for devices supporting (partial) software Rx-aggregation. Is the hardware unable to do TX aggregation? Or is it just not implemented? Or is it entirely done in hw? Instead of cluttering mac80211 with hw flags you could also just disallow tx aggregation sessions in the ampdu_action callback in the driver. Helmut