From owner-freebsd-wireless@FreeBSD.ORG Thu Mar 14 23:47:03 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 1A347159; Thu, 14 Mar 2013 23:47:03 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-wi0-x233.google.com (mail-wi0-x233.google.com [IPv6:2a00:1450:400c:c05::233]) by mx1.freebsd.org (Postfix) with ESMTP id 5DF7E280; Thu, 14 Mar 2013 23:47:02 +0000 (UTC) Received: by mail-wi0-f179.google.com with SMTP id ez12so15121wid.6 for ; Thu, 14 Mar 2013 16:47:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=9x6R8kGMGhRUl2P8u6sLoJYOGyrURboKNm3kg/VyLpY=; b=Ws9yXCDfKxt19aDH+wNc2ma5ybpHEh/7pnf0yqZtjpL9+hlbnoM29lgRawSN5sey23 H8nvb1/kI8jiUIuoLEotpeoZOXICB+yY1IkY4RDeaJ5lXSuFRDDffnByrueRkNK5EAme GWSVG+wgZ7rb5zG+LQHWysElGhMsnplOEZUe1d7F3IHkgfhXHKpVbBklekHfvWYdu3UN 4ax2y72Z3uZsF4Hp1kd92jXx4cJnplmYtQ4uW9bcbFFYo6DlEsfqlIbLFR265VE63G3Y QGgXYbGOp2W9gnDIe6KrXJtkiFozCxezfGSlobRl31+diSrYasFKsxTg6xrqYVVnBl2u IZwg== MIME-Version: 1.0 X-Received: by 10.180.87.129 with SMTP id ay1mr7334315wib.1.1363304821517; Thu, 14 Mar 2013 16:47:01 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.216.111.201 with HTTP; Thu, 14 Mar 2013 16:47:01 -0700 (PDT) In-Reply-To: <1231231998.20130315032419@serebryakov.spb.ru> References: <1231231998.20130315032419@serebryakov.spb.ru> Date: Thu, 14 Mar 2013 16:47:01 -0700 X-Google-Sender-Auth: e1cW7eLkB_BJww7hL-vvFNCG0-E Message-ID: Subject: Re: Why FreeBSD AP announce rates over 18Mbit/s as "Extended"? From: Adrian Chadd To: Lev Serebryakov 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, 14 Mar 2013 23:47:03 -0000 It's likely some hack done by the wifi vendors to "look good'. There's a split between basic (Required) and extended rates. You don't need to talk extended rates to associate. So your tool(s) are demonstrably broken. You should be able to get right up to 54mbit. :) Adrian On 14 March 2013 16:24, Lev Serebryakov wrote: > Hello, Freebsd-wireless. > > I've sniffed all WiFi networks in my apartments (a lot of them!) and > compare data in beacons. I found one strangeness: > > Almost all networks (supported by SOHO soapbox-routers like > TP-Link, Zyxel and D-Link) announce rates 1b, 2b, 5.5b, 11b, 16, 24, > 26 and 54Mbit/s in "Supported rates" tag (tag #1) and only 6, 9, 12 > and 48Mbit/s goes to tag "Extended supported rates" (tag #50). > > And my AP FreeBSD-based) announce is rather different: 1b, 2b, 5.5b, > 11b, 16, 9, 12, 18Mbit/s goes to "Supported rates" (tag #1) and 24, > 26, 48 and 54Mbit/s goes to "Extended supported rates" (tag #50). > > It is reason why simple WiFi monitoring tools shows my AP as > capable only 18Mbit/s. :) > > What is reason why FreeBSD is different from all other WiFi stacks? > > -- > // Black Lion AKA Lev Serebryakov > > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org"