From owner-freebsd-wireless@FreeBSD.ORG Thu Feb 21 12:08:34 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 31B36142C for ; Thu, 21 Feb 2013 12:08:34 +0000 (UTC) (envelope-from moonlightakkiy@yahoo.ca) Received: from nm22-vm1.bullet.mail.ird.yahoo.com (nm22-vm1.bullet.mail.ird.yahoo.com [212.82.109.251]) by mx1.freebsd.org (Postfix) with SMTP id 844F3F1 for ; Thu, 21 Feb 2013 12:08:33 +0000 (UTC) Received: from [77.238.189.50] by nm22.bullet.mail.ird.yahoo.com with NNFMP; 21 Feb 2013 10:07:52 -0000 Received: from [46.228.39.79] by tm3.bullet.mail.ird.yahoo.com with NNFMP; 21 Feb 2013 10:07:52 -0000 Received: from [127.0.0.1] by smtp116.mail.ir2.yahoo.com with NNFMP; 21 Feb 2013 10:07:52 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.ca; s=s1024; t=1361441272; bh=iKhywVnt3LJJ/sRnh0jiq3uTy5opeY/5EOsCbWM+/mk=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Received:MIME-Version:X-Received:Received:In-Reply-To:References:Date:Message-ID:Subject:From:To:Cc:Content-Type; b=CyUBbsvVBKsMS9gdm4MwVI0GgoC0XB4RaDdiG/+1snJ2Qtbur5JX6Ikcq2GawIO3/t23GHrdyG2f8TWKzsJQNvGh9KfvShl9ezo4Kv6NTtodJUyKqpyj6R0SlsHL0NovBsN1QGARNVJ3l0wvJ0g5p4hh4xDZr3BOCtxELxsLMlc= X-Yahoo-Newman-Id: 535847.85393.bm@smtp116.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: 2FEM5O4VM1kd44OQmGgp4kB6j3aJELF_QfGSGum8ZW.YvQm whnt.QbR7GYigU7rVmpEBlG_pNA2b_.y1yxaSCPW81pgLfmlDnerwdGZ8obE 6Sn7SLW.flI1M83a5hhd2ZTL9ewLubUQsFUdYI93IPd2UiDN2041Zv39k9Tj ZZU5Ha8JZKn0a6RsyE7jflM3v7nywAuZrT6svq8RvPOxsi5vAL9ZTvuAoOdW mtfeD06kx9uhJZX78BStaxO5ZbR9Z2nDoo6DHyKNG16LmrjbzQtk6jwxxq8s T9ZQ78bCkbPOBXOiqm4762xBFUwPemLgj997rlrr9glLZUqIsxYzs6X1erO1 DYyAb15vJwaBOKEYatM64U3.FYXhB5atgVqG6soBhq.YAfEIllMn13kgz1Nx tYvrK23F2NiVzct3HqSizPWHIhsHKb6A8NBeBDCw.mJjovXyKH4IYhNn0Sc. J.5sUM9HbjQiD5JPCww8- X-Yahoo-SMTP: Xr6qjFWswBAEmd20sAvB4Q3keqXvXsIH9TjJ Received: from mail-lb0-f176.google.com (moonlightakkiy@209.85.217.176 with plain) by smtp116.mail.ir2.yahoo.com with SMTP; 21 Feb 2013 10:07:52 +0000 UTC Received: by mail-lb0-f176.google.com with SMTP id s4so6589229lbc.21 for ; Thu, 21 Feb 2013 02:07:50 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.152.104.199 with SMTP id gg7mr20434360lab.14.1361441270715; Thu, 21 Feb 2013 02:07:50 -0800 (PST) Received: by 10.112.50.206 with HTTP; Thu, 21 Feb 2013 02:07:50 -0800 (PST) In-Reply-To: References: Date: Thu, 21 Feb 2013 03:07:50 -0700 Message-ID: Subject: Re: negotiating HT params at assoc in sta mode From: PseudoCylon To: Adrian Chadd Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-wireless@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2013 12:08:34 -0000 On Wed, Feb 20, 2013 at 9:40 PM, Adrian Chadd wrote: > On 20 February 2013 20:38, PseudoCylon wrote: > >>> Who can we rope in to review whether this is being done "right" ? >> >> Since it is ht param issue, anyone with 11n capable hardware with >> working driver, or anyone with an AP which can tell Tx'd ampdu packets >> are smaller than what the station has asked for. >> >> run(4) still generates lots of Rx errors. I cannot tell if the patch >> does any good. I can only tell the AP does receive the driver defined >> ht param, now. > > When doing aggregation? Try upping the ampdu density to something like > 8 or 16 microseconds, maybe it needs more spacing between frames. > > What are you using as a transmitter in your run(4) tests? Currently, using my ISP supplied modem/router. I cannot set those param by hand on the ap. At least, the sta requests 16ms spacing, but no improvements. I'll be comparing with linux driver, and see what the differences are. I've got a good idea on registers and descriptors. But, most of bbps are still mystery. Maybe, blindly copy & past their value. (Hope I have a datasheet.) AK