Return-path: Received: from c60.cesmail.net ([216.154.195.49]:40420 "EHLO c60.cesmail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754721Ab1JSPzk (ORCPT ); Wed, 19 Oct 2011 11:55:40 -0400 Date: Wed, 19 Oct 2011 11:55:20 -0400 From: Pavel Roskin To: Adrian Chadd Cc: Joerg Pommnitz , Bob Copeland , "linux-wireless@vger.kernel.org" , "ath5k-devel@lists.ath5k.org" Subject: Re: [ath5k-devel] Performance regression between Madwifi/net80211 and ath5k/mac80211 Message-ID: <20111019115520.79cfaef8@mj> (sfid-20111019_175543_563437_37F52320) In-Reply-To: References: <1308750102.64154.YahooMailRC@web161214.mail.bf1.yahoo.com> <1308750416.29571.10.camel@jlt3.sipsolutions.net> <1308753669.17439.YahooMailRC@web161208.mail.bf1.yahoo.com> <1308754204.29571.15.camel@jlt3.sipsolutions.net> <1308755270.21489.YahooMailRC@web161204.mail.bf1.yahoo.com> <1319018802.31281.YahooMailNeo@web161205.mail.bf1.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, 19 Oct 2011 19:33:53 +0800 Adrian Chadd wrote: > .. does madwifi have that net80211 "aggressive mode" by default, where > it overrides the best-effort WME queue parameters to allow for > bursting? I tried madwifi-0.9.4 snapshot on a CM9 card, and I got: # iwpriv ath0 get_abolt ath0 get_abolt:218 218 is 0xda, which means that the following capabilities are enabled: IEEE80211_ABOLT_TURBO_PRIME IEEE80211_ABOLT_FAST_FRAME IEEE80211_ABOLT_BURST IEEE80211_ABOLT_XR IEEE80211_ABOLT_AR And those are not enabled: IEEE80211_ABOLT_TURBO_G IEEE80211_ABOLT_COMPRESSION IEEE80211_ABOLT_WME_ELE I would just unset all capabilities and retry. > I see exactly that difference in FreeBSD (33mbit vs 22mbit) when I > disable that aggressive mode code. -- Regards, Pavel Roskin