From owner-freebsd-net@FreeBSD.ORG Sun Apr 27 03:52:59 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1DFC61065672 for ; Sun, 27 Apr 2008 03:52:59 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.250]) by mx1.freebsd.org (Postfix) with ESMTP id CAF288FC17 for ; Sun, 27 Apr 2008 03:52:58 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: by an-out-0708.google.com with SMTP id c14so1187286anc.13 for ; Sat, 26 Apr 2008 20:52:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=MrhfPoEQxJ4M/uK9wH/CNfeerUMbMbrQEKPVwpyaSHc=; b=gAO8C8RV3t+q8+/T7mI5V+aBAeHqGayuZtSIlqDPFDSoMDGTxNzLYCaYgGrFnqDT+iNFoCvaAVNtKqFJj0ON303ghsFnwwryVKtlXtVsOKEOzcmwjYm6VI5Oi9+JPWsoVPPlfQZgPpsv21sFlbRnyrMPjwr8Vjm5MYqSPm9JAZE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=jh4KkQrIDMDAGwxsENzr01AtJJ7k8Bf+G5uDYm6cSJJHT2Tu1xR4TlBRjTflnQ8SKRbFZpOH12AjRmUOKj6kLd2YYH2eOaHJkXLjIH1tzGeane1eYBjvPzoF3iENi7H3TN7Fjiqwrcup08GIemukS4Z/1ovLF6YXqi340gbDFDQ= Received: by 10.100.91.17 with SMTP id o17mr9983974anb.145.1209268378186; Sat, 26 Apr 2008 20:52:58 -0700 (PDT) Received: by 10.100.48.5 with HTTP; Sat, 26 Apr 2008 20:52:58 -0700 (PDT) Message-ID: Date: Sun, 27 Apr 2008 11:52:58 +0800 From: "Sepherosa Ziehau" To: freebsd-net In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Cc: Kevin Lo Subject: Re: Connecting P1i to FreeBSD X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Apr 2008 03:52:59 -0000 On Sun, Apr 27, 2008 at 11:51 AM, Sepherosa Ziehau wrote: > > On Sun, Apr 27, 2008 at 7:52 AM, Ivan Voras wrote: > > Ivan Voras wrote: > > > > > Sepherosa Ziehau wrote: > > > > > > > > > > Are you sure that your device works under IBSS mode? > > > > > > > > > > Yes, since Windows doesn't support creating an AP from the card, and it > > connects to Windows. Unless there are other modes that can do the same > > thing... > > > > > > > Actually there is a difference; here's a dump from laptop where the device > > connects to the Windows machine: > > > > 23:49:18.013539 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:18.045340 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:18.148408 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:18.374477 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:18.377198 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:18.379066 Probe Response (SpeedTouch425488) [1.0* 2.0* 5.5* 11.0* > > 18.0 24.0 36.0 54.0 Mbit] CH: 6, PRIVACY > > 23:49:18.659907 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:18.734842 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:18.762218 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:19.005423 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:19.008301 Probe Response (SpeedTouch425488) [1.0* 2.0* 5.5* 11.0* > > 18.0 24.0 36.0 54.0 Mbit] CH: 6, PRIVACY > > 23:49:19.026747 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:19.366882 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:19.376645 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:19.411652 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:19.636460 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:19.637575 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:19.888667 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:19.990770 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:19.997530 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.268038 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.269293 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.271670 Probe Response (SpeedTouch425488) [1.0* 2.0* 5.5* 11.0* > > 18.0 24.0 36.0 54.0 Mbit] CH: 6, PRIVACY > > 23:49:20.274467 Beacon (SpeedTouch425488) [1.0* 2.0* 5.5* 11.0* 18.0 24.0 > > 36.0 54.0 Mbit] ESS CH: 6, PRIVACY > > 23:49:20.297986 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:20.492967 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.502751 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:20.629491 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.707738 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:20.899123 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.901458 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:20.989459 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:21.124700 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:21.219413 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:21.259747 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:21.321793 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > 23:49:21.530624 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:21.531691 Probe Response (A2) [1.0* 2.0* 5.5* 11.0* Mbit] CH: 6, > > PRIVACY > > 23:49:21.533326 Probe Response (SpeedTouch425488) [1.0* 2.0* 5.5* 11.0* > > 18.0 24.0 36.0 54.0 Mbit] CH: 6, PRIVACY > > 23:49:21.833759 Beacon (A2) [1.0* 2.0* 5.5* 11.0* Mbit] IBSS CH: 6, PRIVACY > > > > I didn't get the "Beacon" entries before. I expected to see actual data > > packets in tcpdump, but I assume they are not in the dump because we're only > > looking at the 802.11 events with -y ieee802_11? > > > > I think you are using iwi to do the tap, could you put iwi into > monitor mode, since iwi is "smart" device which may filter certain > type of frames in non-monitor mode? > > I tested my rum: the beacon template set in the hardware is trashed in > a strange a pattern BTW, the pattern is anything beyond 64bytes will be wrapped. See the dump and the beacon content. > > What I got in the air; fc duration and certain part of mac address is trashed: > 11:04:57.256700 Assoc Request (sephe-adhoc) [1.0* 2.0* 5.5* 11.0* 6.0 > > 9.0 12.0 18.0 Mbit] > 0x0000: 0000 2a01 0032 0430 4860 6c18 f32f 077a > 0x0010: 4e9c 3b6a eb9f b01d afbe e402 0000 0000 > 0x0020: 6400 2200 000b 7365 7068 652d 6164 686f > 0x0030: 6301 0882 848b 960c 1218 2403 0101 0602 > 0x0040: 9056 e96b 88d0 f6ef 5cc9 1d > > The actual beacon mbuf content: > 80 00 00 00 ff ff ff ff ff ff 00 18 f3 2f 07 7a > 4e 9c 3b 6a eb 9f 00 00 00 00 00 00 00 00 00 00 > 64 00 22 00 00 0b 73 65 70 68 65 2d 61 64 68 6f > 63 01 08 82 84 8b 96 0c 12 18 24 03 01 01 06 02 > 00 00 2a 01 00 32 04 30 48 60 6c > > After several small code change, I found that beacon template size > can't exceeds 64bytes. Small template space means you could only use > rum IBSS in 11b mode. I have tried to setup BEACON_BASE1 but without > result. If it is not a hardware design flaw then we will need data > sheet to make it correct. > > > > Best Regards, > sephe > > -- > Live Free or Die > -- Live Free or Die