From owner-freebsd-wireless@FreeBSD.ORG Sun May 1 22:07:47 2011 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E70021065670; Sun, 1 May 2011 22:07:47 +0000 (UTC) (envelope-from jamesbrandongooch@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 792918FC08; Sun, 1 May 2011 22:07:46 +0000 (UTC) Received: by wyf23 with SMTP id 23so5077910wyf.13 for ; Sun, 01 May 2011 15:07:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=/HET1IgllqbtSlFrnWZab7rgx0Q668SPWDuHCKfznr8=; b=JQOO8NQor9/uzj8Uy+87vO75s+THDBudPpu6em1w3oNo6g9x4o4RHxxhFVyn9qgX2L bnGj2xaX0+OTxqlM+aV6gDRB/eYboPqCkUCM4IWhkTyOooUXsISLOJjk3JJ4xKxcEwao Yx5CWqpNqf5hELD3/yBhZTJrW0EM0E5PZjI1I= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=I/mQKORXb6NW5vsWC2M2B/pzyimn3T6BQQkXmeuizYUWx5LSfUNAZPctnpwP3F9b3j 9SjK7kxMcTQTpCUA1nnHOmXWE17PkvjLkZayRMV3RpJLP4FD1wjbkhIXETuKYaUb5L+M 9VqFgEf4EgJikXkZlK/pDpjZKGN4ayR3TbPek= MIME-Version: 1.0 Received: by 10.216.242.134 with SMTP id i6mr1861173wer.81.1304285816824; Sun, 01 May 2011 14:36:56 -0700 (PDT) Received: by 10.216.17.213 with HTTP; Sun, 1 May 2011 14:36:56 -0700 (PDT) In-Reply-To: <201105011524.09613.bschmidt@freebsd.org> References: <201105011319.30649.bschmidt@freebsd.org> <201105011524.09613.bschmidt@freebsd.org> Date: Sun, 1 May 2011 16:36:56 -0500 Message-ID: From: Brandon Gooch To: Bernhard Schmidt Content-Type: multipart/mixed; boundary=e0cb4e43d2abcc258304a23db4e6 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-net@freebsd.org, freebsd-wireless@freebsd.org Subject: Re: CFT: 11n support for iwn(4) X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 01 May 2011 22:07:48 -0000 --e0cb4e43d2abcc258304a23db4e6 Content-Type: text/plain; charset=ISO-8859-1 On Sun, May 1, 2011 at 8:24 AM, Bernhard Schmidt wrote: > On Sunday 01 May 2011 13:19:30 Bernhard Schmidt wrote: >> Hi, >> >> I finally managed to get the 11n bits for iwn(4) sorted out. Well, >> there is still an issue somewhere with HT40 frame protection or >> TX chain setup on 5000 adapters, resulting in throughput not being >> that stable. But overall it seems to work pretty decently >> >> This is for HEAD only right now, net80211 in stable/8 does not yet >> contain the latest 11n related fixes. So, if you run HEAD and have >> some iwn(4) hardware, I'd appreciate feedback. >> .. > > Updated version, I've missed a locking issue. > > -- > Bernhard Thanks for working on this Bernhard! Unfortunately, I'm having trouble achieving HT rates. After 'wlandebug 0xffffffff', lots of: ... May 1 14:38:15 x300 kernel: wlan0: received beacon from 00:1d:0f:d3:fb:cc rssi 47 May 1 14:38:15 x300 kernel: wlan0: [00:1d:0f:d3:fb:cc] discard beacon frame, ie too short, got 26, expected 30 ... I've attached relevant debugging information, but let me know if there may be anything else that could help. I need to work on DTracing net80211, any tips on relevant function traces? -Brandon --e0cb4e43d2abcc258304a23db4e6--