From owner-freebsd-net Fri Jul 5 10:47:49 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 BFE4837B400 for ; Fri, 5 Jul 2002 10:47:47 -0700 (PDT) Received: from wall.polstra.com (wall-gw.polstra.com [206.213.73.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id E1C1443E31 for ; Fri, 5 Jul 2002 10:47:46 -0700 (PDT) (envelope-from jdp@polstra.com) Received: from vashon.polstra.com (vashon.polstra.com [206.213.73.13]) by wall.polstra.com (8.11.3/8.11.3) with ESMTP id g65HliT69142; Fri, 5 Jul 2002 10:47:44 -0700 (PDT) (envelope-from jdp@vashon.polstra.com) Received: (from jdp@localhost) by vashon.polstra.com (8.12.4/8.12.4/Submit) id g65HliO2003668; Fri, 5 Jul 2002 10:47:44 -0700 (PDT) (envelope-from jdp) Date: Fri, 5 Jul 2002 10:47:44 -0700 (PDT) Message-Id: <200207051747.g65HliO2003668@vashon.polstra.com> To: net@freebsd.org From: John Polstra Cc: bmilekic@unixdaemons.com Subject: Re: virtually contig jumbo mbufs (was Re: new zero copy sockets snapshot) In-Reply-To: <20020705132735.A873@unixdaemons.com> References: <20020619090046.A2063@panzer.kdm.org> <15653.35606.290023.621040@grasshopper.cs.duke.edu> <200207051645.g65Gj1lM003467@vashon.polstra.com> <20020705132735.A873@unixdaemons.com> Organization: Polstra & Co., Seattle, WA 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 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! John -- John Polstra John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message