From owner-freebsd-net@FreeBSD.ORG Sat Mar 19 14:57:22 2005 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 12B7316A4CE for ; Sat, 19 Mar 2005 14:57:22 +0000 (GMT) Received: from ford.blinkenlights.nl (ford.blinkenlights.nl [213.204.211.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6B0C743D41 for ; Sat, 19 Mar 2005 14:57:21 +0000 (GMT) (envelope-from sten@blinkenlights.nl) Received: from tea.blinkenlights.nl (tea.blinkenlights.nl [192.168.1.21]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ford.blinkenlights.nl (Postfix) with ESMTP id A514B3F294; Sat, 19 Mar 2005 15:57:19 +0100 (CET) Received: by tea.blinkenlights.nl (Postfix, from userid 101) id 3D280265; Sat, 19 Mar 2005 15:57:19 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by tea.blinkenlights.nl (Postfix) with ESMTP id 376461BA; Sat, 19 Mar 2005 15:57:19 +0100 (CET) Date: Sat, 19 Mar 2005 15:57:19 +0100 (CET) From: Sten Spans To: Mike Silbersack In-Reply-To: <20050318211424.I99115@odysseus.silby.com> Message-ID: References: <20050317221359.GN89312@funkthat.com> <20050318021907.H844@odysseus.silby.com> <20050318092429.GD37984@funkthat.com> <20050318211424.I99115@odysseus.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed cc: freebsd-net@FreeBSD.org cc: John-Mark Gurney Subject: Re: changes to make ethernet packets able to be unaligned... X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Mar 2005 14:57:22 -0000 On Fri, 18 Mar 2005, Mike Silbersack wrote: > > On Fri, 18 Mar 2005, John-Mark Gurney wrote: > > Well, right now most (all?) drivers handle the alignment issue, so moving the > alignment step into the ethernet code would centralize it in one place, and > would not break anything. Removing the alignment requirement without > actually having tested all the protocols is going to break something. Having > the protocols handle alignment themselves is a good goal, but that's a second > step you can take later. em with jumboframes is borken atm. It seems some drivers don't handle the jumboframes - chained mbufs case quite correctly. -- Sten Spans "There is a crack in everything, that's how the light gets in." Leonard Cohen - Anthem