From owner-freebsd-net@FreeBSD.ORG Fri Sep 5 13:26:50 2003 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 413CF16A4BF; Fri, 5 Sep 2003 13:26:50 -0700 (PDT) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id EF79D43FE3; Fri, 5 Sep 2003 13:26:48 -0700 (PDT) (envelope-from gallatin@cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.12.9/8.12.9) with ESMTP id h85KQmJV006014 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Fri, 5 Sep 2003 16:26:48 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.6/8.9.1) id h85KQhg35671; Fri, 5 Sep 2003 16:26:43 -0400 (EDT) (envelope-from gallatin@cs.duke.edu) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16216.61827.20643.246342@grasshopper.cs.duke.edu> Date: Fri, 5 Sep 2003 16:26:43 -0400 (EDT) To: freebsd-net@freebsd.org X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Subject: checksum offload question 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: Fri, 05 Sep 2003 20:26:50 -0000 In FreeBSD 5 are IP frags guaranteed to be passed to a network driver with no intermediary IP packets between the fragments? Or can multiple streams get queued at once? Specifically, if a driver claims to be able to CSUM_IP_FRAGS, can it count on getting all the frags, one right after another (perhaps with an arp request mixed in for variety)? Thanks, Drew