Return-path: Received: from nbd.name ([46.4.11.11]:35065 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752033Ab1G2RwA (ORCPT ); Fri, 29 Jul 2011 13:52:00 -0400 Message-ID: <4E32F338.8040901@openwrt.org> (sfid-20110729_195204_976377_898929BF) Date: Fri, 29 Jul 2011 19:51:52 +0200 From: Felix Fietkau MIME-Version: 1.0 To: Helmut Schaa CC: John Linville , linux-wireless@vger.kernel.org, Johannes Berg Subject: Re: [PATCH 2/2] mac80211: Always send EAPOL frames at lowest rate References: <1311960137-25420-1-git-send-email-helmut.schaa@googlemail.com> <1311960137-25420-2-git-send-email-helmut.schaa@googlemail.com> In-Reply-To: <1311960137-25420-2-git-send-email-helmut.schaa@googlemail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2011-07-29 7:22 PM, Helmut Schaa wrote: > Since EAPOL frames are normal data frames they are treated by the rate > control algorithm as such. Thus it can happen that the rate control > algorithm chooses an inappropriate rate (minstrel_ht uses MCS rates for > example) for the 4-way handshake and under low signal conditions the > handshake may time out. > > To fix this issue always treat EAPOL frames the same as management > frames and send them with the lowest available rate. Have you tried preventing minstrel_ht from using EAPOL frames for probing different rates instead of forcing it to use the lowest rate? - Felix