From owner-freebsd-wireless@FreeBSD.ORG Sat Feb 16 04:47:26 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 6818ADDB for ; Sat, 16 Feb 2013 04:47:26 +0000 (UTC) (envelope-from moonlightakkiy@yahoo.ca) Received: from nm1-vm3.bullet.mail.gq1.yahoo.com (nm1-vm3.bullet.mail.gq1.yahoo.com [98.136.218.82]) by mx1.freebsd.org (Postfix) with SMTP id 1A5A19C5 for ; Sat, 16 Feb 2013 04:47:25 +0000 (UTC) Received: from [98.137.12.191] by nm1.bullet.mail.gq1.yahoo.com with NNFMP; 16 Feb 2013 04:40:26 -0000 Received: from [98.136.185.41] by tm12.bullet.mail.gq1.yahoo.com with NNFMP; 16 Feb 2013 04:40:26 -0000 Received: from [127.0.0.1] by smtp102.mail.gq1.yahoo.com with NNFMP; 16 Feb 2013 04:37:44 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.ca; s=s1024; t=1360989464; bh=ANlmgbiKy/x7XC17WRDjZ5vVa8qQK3+wIzPVNlPiWog=; 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=pYWZjBegUYQV6Md38FebrJ6JiIoL0RH6iwtrauh99okZp3tfS9UPpj5ktEKn9VaMvxrDa2p24NoZkYeUAcY7e4iL6UN8yCwB17eZpFImspKwasV83YdJGLaqzVeBJtjH6atnsmR/yoIQiHUKqrd2HvWT8S1uv8cIn6ti5eBzHkQ= X-Yahoo-Newman-Id: 567306.36635.bm@smtp102.mail.gq1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: 0r56XT8VM1mqCq914XqtvBl08KTxMba63vOwWOUM.uRPMqe NTe_7RwxiqFI23v_uwzEB1MMf7eVd73L.kCaIIYgPDbXkBoFYRHbzn3L9Drs XGoSPjvIVG.aowY7.HnL._bt.qIbxnj4fgrAkh6KZlZlmXKwmYJn_s2_jWr5 hbhO5md0JrgGpvwtR4oJhogWw0OLD4G5.MwXr3FzB91YOo62hJSsjF749fiI FWLp3ustJXGI5ndVzCEtTF9v0qtPJpAH9TaSzdISgJoaDx9zl_OPkkHw054M 1VZtk26vWY_bX1nq5PRTalqFQ69Mkwu_ZDzHU5gmggQ794DGZiC4NPAy7ArY h_gv32tZkSMiBZ94sQdlbsXTA_4LILLiUgKkaWYrci2gkqTlOyA6Vl_1h2M4 QN67qPVdi4fH4gh.JG8DDAWyQg7w_Puo.JrdZxSYrglBRjP8K58k8QZq7CsF UT5ZyzPcSMPxhOYfhf78Qag1G1o5N3KS4NoeBnV.kgC9CD_29gXYvg3dRw6B SmoIi8ylevykIGvMPQzlRS5P2UIpbQxINQOU5ObjYT7HG7sTUS9Ij_XJSc0. F3R.vAGPBzoK0rgLJp_la.GU- X-Yahoo-SMTP: Xr6qjFWswBAEmd20sAvB4Q3keqXvXsIH9TjJ Received: from mail-la0-f41.google.com (moonlightakkiy@209.85.215.41 with plain) by smtp102.mail.gq1.yahoo.com with SMTP; 16 Feb 2013 04:37:44 +0000 UTC Received: by mail-la0-f41.google.com with SMTP id fo12so4050007lab.28 for ; Fri, 15 Feb 2013 20:40:24 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.152.130.131 with SMTP id oe3mr4249821lab.1.1360989624056; Fri, 15 Feb 2013 20:40:24 -0800 (PST) Received: by 10.112.1.37 with HTTP; Fri, 15 Feb 2013 20:40:23 -0800 (PST) In-Reply-To: References: Date: Fri, 15 Feb 2013 21:40:23 -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: Sat, 16 Feb 2013 04:47:26 -0000 On Fri, Feb 15, 2013 at 8:54 PM, Adrian Chadd wrote: > On 15 February 2013 18:21, PseudoCylon wrote: >> On Fri, Feb 15, 2013 at 6:20 PM, Adrian Chadd wrote: >>> Hm, that sounds right, what's the code doing wrong? >> >> Currently, it seems the sta sends back ht params the ap included in a >> PROBE_RESP packet. So, the ap could send ampdu packets bigger (in >> byte) than the sta can handle or packet gaps are different from the >> sta wants after ba session is created. (During ba session negotiation, >> these params are not exchanged, only window sizes (frame count), seq >> #, and token.) > > Right. yes, we should be negotiating the ampdu density to be the > maximum of what the AP and STA can associate. > > Same deal with IBSS peers (and mesh peers too, eventually.) Yes. But because of this test http://fxr.watson.org/fxr/source/net80211/ieee80211_ht.c#L2649 only nodes in sta mode are affected. AK > > > > Adrian