Return-path: Received: from mail.bluebottle.com ([176.9.67.91]:54914 "EHLO mail.bluebottle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753922AbbIWLtP (ORCPT ); Wed, 23 Sep 2015 07:49:15 -0400 Date: Wed, 23 Sep 2015 13:42:36 +0200 From: Bastian Bittorf To: Pavel Machek Cc: jirislaby@gmail.com, mickflemm@gmail.com, mcgrof@do-not-panic.com, linux-wireless@vger.kernel.org, kvalo@codeaurora.org Subject: Re: Low latency communication over wifi Message-ID: <20150923114236.GJ6319@medion.lan> (sfid-20150923_134923_948792_67FB1A3F) References: <20150923110343.GA19160@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20150923110343.GA19160@amd> Sender: linux-wireless-owner@vger.kernel.org List-ID: * Pavel Machek [23.09.2015 13:38]: > Is there way to manipulate type of service from userland to get > similar behaviour without patching kernel? yes, iptables DSCP / DiffServ / Differentiated Services Field # you have to add some magic for matching your data e.g. $IPT -t mangle -I OUTPUT -j DSCP --set-dscp-class CS7 also you should consider force the ACK-timing to 450m / Class1 and forbid retransmission in minstrel bye, bastian