From owner-cvs-all@FreeBSD.ORG Tue Jun 12 10:05:49 2007 Return-Path: X-Original-To: cvs-all@FreeBSD.org Delivered-To: cvs-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C6FD916A41F; Tue, 12 Jun 2007 10:05:49 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.freebsd.org (Postfix) with ESMTP id 8B7B713C447; Tue, 12 Jun 2007 10:05:49 +0000 (UTC) (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 (8.14.0/8.14.0) with ESMTP id l5CA5nK9013696 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 12 Jun 2007 06:05:49 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id l5CA5LcG084396; Tue, 12 Jun 2007 06:05:21 -0400 (EDT) (envelope-from gallatin) Date: Tue, 12 Jun 2007 06:05:21 -0400 From: Andrew Gallatin To: Pyun YongHyeon Message-ID: <20070612060521.D84335@grasshopper.cs.duke.edu> References: <200706120235.l5C2Z1iJ022543@repoman.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200706120235.l5C2Z1iJ022543@repoman.freebsd.org>; from yongari@FreeBSD.org on Tue, Jun 12, 2007 at 02:34:38AM +0000 X-Operating-System: FreeBSD 4.9-RELEASE-p1 on an i386 Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/nfe if_nfe.c if_nfereg.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jun 2007 10:05:49 -0000 Pyun YongHyeon [yongari@FreeBSD.org] wrote: > yongari 2007-06-12 02:35:01 UTC > > FreeBSD src repository > > Modified files: > sys/dev/nfe if_nfe.c if_nfereg.h > Log: > Increase a maximum segment size of DMA to 4096. Previously it used > MCLBYTES for the segment size but it used too many Tx descriptors in > TSO case. > While I'm here adjust maximum size of the sum of all segment lengths > in a given DMA mapping to 65535, the maximum size, in bytes, of a IP Can't it actually be 65535 + link layer headers? Eg, up to 65535 + 14 or 65535 + 18? Drew