From owner-svn-src-all@FreeBSD.ORG  Tue Feb 24 23:13:30 2015
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 7E18E167
 for <svn-src-all@freebsd.org>; Tue, 24 Feb 2015 23:13:30 +0000 (UTC)
Received: from mo6-p00-ob.smtp.rzone.de (mo6-p00-ob.smtp.rzone.de
 [IPv6:2a01:238:20a:202:5300::11])
 (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "*.smtp.rzone.de", Issuer "TeleSec ServerPass DE-2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 1A149A55
 for <svn-src-all@freebsd.org>; Tue, 24 Feb 2015 23:13:29 +0000 (UTC)
X-RZG-AUTH: :JiIXek6mfvEEUpFQdo7Fj1/zg48CFjWjQv0cW+St/nW/afgnrylsiW+zbjV+ogwJ
X-RZG-CLASS-ID: mo00
Received: from britannica.bec.de (ip-109-45-151-245.web.vodafone.de
 [109.45.151.245]) by smtp.strato.de (RZmta 37.3 DYNA|AUTH)
 with ESMTPSA id N056fer1OND1K2p
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate) for <svn-src-all@freebsd.org>;
 Wed, 25 Feb 2015 00:13:01 +0100 (CET)
Received: by britannica.bec.de (sSMTP sendmail emulation);
 Wed, 25 Feb 2015 00:13:00 +0100
Date: Wed, 25 Feb 2015 00:13:00 +0100
From: Joerg Sonnenberger <joerg@britannica.bec.de>
To: svn-src-all@freebsd.org
Subject: Re: svn commit: r279236 - head/sys/netinet
Message-ID: <20150224231300.GA6630@britannica.bec.de>
References: <201502241257.t1OCv40V097418@svn.freebsd.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <201502241257.t1OCv40V097418@svn.freebsd.org>
User-Agent: Mutt/1.5.21 (2010-09-15)
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.18-1
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/options/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: Tue, 24 Feb 2015 23:13:30 -0000

On Tue, Feb 24, 2015 at 12:57:04PM +0000, Zbigniew Bodek wrote:
>   In fact, the assumption that 'struct ip' is always 4-byte aligned
>   is definitely false, as we have no impact on data alignment of packet
>   stream received.

Pretty much all drivers do guarantee this by setting up buffers
accordingly. Why can't yours do the same?

Joerg