From owner-freebsd-net Fri Jul 5 13:54:57 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 9A64C37B400 for ; Fri, 5 Jul 2002 13:54:55 -0700 (PDT) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id DF7F543E09 for ; Fri, 5 Jul 2002 13:54:54 -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 QAA01438; Fri, 5 Jul 2002 16:54:54 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.6/8.9.1) id g65KsOR29409; Fri, 5 Jul 2002 16:54:24 -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: <15654.1920.185037.569964@grasshopper.cs.duke.edu> Date: Fri, 5 Jul 2002 16:54:24 -0400 (EDT) To: John Polstra Cc: net@freebsd.org Subject: Re: virtually contig jumbo mbufs In-Reply-To: <200207052050.g65KoUVY004018@vashon.polstra.com> References: <20020619090046.A2063@panzer.kdm.org> <15653.62134.521004.349089@grasshopper.cs.duke.edu> <200207051937.g65Jb6rm003934@vashon.polstra.com> <15653.64859.690620.421707@grasshopper.cs.duke.edu> <200207052050.g65KoUVY004018@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 <15653.64859.690620.421707@grasshopper.cs.duke.edu>, > Andrew Gallatin wrote: > > > Without the docs it would take a lot of trial & error to > > > figure out how to make it work. > > > > Not necessarily. It just looked at the struct def. To me, it looks > > *exactly* like the equivalent tigon-2 struct. This makes sense, as > > its a descendant of the tigon-2. > > Are the tigon-2 docs publicly available and free from NDA concerns? They used to be, before alteon was aquired by Broadcom. That's how the if_ti.c driver was written, and how Ken & I did the zero-copy work. The zero-copy if_ti.c uses extended recv. buffers. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message