From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:15140 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751350Ab1IWHpt (ORCPT ); Fri, 23 Sep 2011 03:45:49 -0400 Message-ID: <4E7C3925.9040807@qca.qualcomm.com> (sfid-20110923_094557_581973_4C403E26) Date: Fri, 23 Sep 2011 10:45:41 +0300 From: Kalle Valo MIME-Version: 1.0 To: Kalle Valo CC: Subject: Re: [PATCH] ath6kl: pass only unicast frames for aggregation References: <20110919183844.25296.65533.stgit@localhost6.localdomain6> In-Reply-To: <20110919183844.25296.65533.stgit@localhost6.localdomain6> Content-Type: text/plain; charset="UTF-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: On 09/19/2011 09:38 PM, Kalle Valo wrote: > When pinging form ar6003 to the AP RTT was high even when power save was > disabled: > > 100 packets transmitted, 97 received, 3% packet loss, time 99125ms > rtt min/avg/max/mdev = 1.875/46.733/795.506/139.181 ms > > After some investigation one reason for this was that received > multicast traffic confused the aggrecation logic and caused 400 ms > timeouts when receiving multicast frames from AP. > > A simple way to fix is to pass only unicast frames for aggregation. This > improves RTT: > > 100 packets transmitted, 99 received, 1% packet loss, time 99144ms > rtt min/avg/max/mdev = 2.083/13.084/403.390/56.794 ms Applied. Kalle