From owner-freebsd-net Fri Jul 5 12:26:17 2002 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 0734737B400 for ; Fri, 5 Jul 2002 12:26:15 -0700 (PDT) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3152A43E3B for ; Fri, 5 Jul 2002 12:26:14 -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 (8.9.3/8.9.3) with ESMTP id PAA29398; Fri, 5 Jul 2002 15:26:12 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.6/8.9.1) id g65JPgT29300; Fri, 5 Jul 2002 15:25:42 -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: <15653.62134.521004.349089@grasshopper.cs.duke.edu> Date: Fri, 5 Jul 2002 15:25:42 -0400 (EDT) To: John Polstra Cc: net@freebsd.org, bmilekic@unixdaemons.com Subject: Re: virtually contig jumbo mbufs (was Re: new zero copy sockets snapshot) In-Reply-To: <200207051747.g65HliO2003668@vashon.polstra.com> References: <20020619090046.A2063@panzer.kdm.org> <15653.35606.290023.621040@grasshopper.cs.duke.edu> <200207051645.g65Gj1lM003467@vashon.polstra.com> <20020705132735.A873@unixdaemons.com> <200207051747.g65HliO2003668@vashon.polstra.com> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org John Polstra writes: > In article <20020705132735.A873@unixdaemons.com>, > Bosko Milekic wrote: > > > > On Fri, Jul 05, 2002 at 09:45:01AM -0700, John Polstra wrote: > > > The BCM570x chips (bge driver) definitely need a single physically > > > contiguous buffer for each received packet. > > > > This is totally ridiculous for gigE hardware, IMO. > > WHOOPS, I'm afraid I have to correct myself. The BCM570x chips do > indeed support multiple buffers for jumbo packets. I'm sorry for the > earlier misinformation! Are programming docs for this board available? BTW, it looks like nge will do scatter/gather too. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message