From owner-svn-src-all@FreeBSD.ORG  Wed Dec  1 23:58:28 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from [127.0.0.1] (freefall.freebsd.org [IPv6:2001:4f8:fff6::28])
	by hub.freebsd.org (Postfix) with ESMTP id 74FFE1065675;
	Wed,  1 Dec 2010 23:58:28 +0000 (UTC)
	(envelope-from jkim@FreeBSD.org)
From: Jung-uk Kim <jkim@FreeBSD.org>
To: src-committers@FreeBSD.org
Date: Wed, 1 Dec 2010 18:58:18 -0500
User-Agent: KMail/1.6.2
References: <201012010351.oB13p6du062509@svn.freebsd.org>
In-Reply-To: <201012010351.oB13p6du062509@svn.freebsd.org>
MIME-Version: 1.0
Content-Disposition: inline
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Message-Id: <201012011858.19748.jkim@FreeBSD.org>
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	Weongyo Jeong <weongyo@freebsd.org>
Subject: Re: svn commit: r216091 - head/sys/dev/usb
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Dec 2010 23:58:28 -0000

On Tuesday 30 November 2010 10:51 pm, Weongyo Jeong wrote:
> Author: weongyo
> Date: Wed Dec  1 03:51:06 2010
> New Revision: 216091
> URL: http://svn.freebsd.org/changeset/base/216091
>
> Log:
>   Explicitly UP and DOWN the usbus interfaces (IFT_USB) when it's
> attached or detached.  Normally it should be changed through user
> land ioctl(2) system calls but it looks there's no apps for USB and
> no need.
>
>   With this patch, libpcap would detect the usbus interfaces
> correctly and tcpdump(1) could dump the USB packets into PCAP
> format with -w option. However it couldn't print the output to
> console because there's no printer-routine at tcpdump(1).

I have written a very hackish USB packet printer for tcpdump based on 
Linux version.

http://people.freebsd.org/~jkim/tcpdump-usb.diff

Note we can only print headers as Linux version does.

Are you planning on adopting DLT_USB_LINUX or DLT_USB_LINUX_MMAPPED or 
applying for our own DLT, BTW?

Jung-uk Kim