From owner-freebsd-hackers Sun Feb 21 10:13:38 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from frmug.org (frmug-gw.frmug.org [193.56.58.252]) by hub.freebsd.org (Postfix) with ESMTP id 44E5911ABD for ; Sun, 21 Feb 1999 10:13:13 -0800 (PST) (envelope-from roberto@keltia.freenix.fr) Received: (from uucp@localhost) by frmug.org (8.9.1/frmug-2.3/nospam) with UUCP id TAA18063; Sun, 21 Feb 1999 19:13:04 +0100 (CET) (envelope-from roberto@keltia.freenix.fr) Received: by keltia.freenix.fr (Postfix, from userid 101) id BB8A31516; Sun, 21 Feb 1999 12:41:03 +0100 (CET) Date: Sun, 21 Feb 1999 12:41:03 +0100 From: Ollivier Robert To: hackers@FreeBSD.ORG Cc: Bill Paul Subject: Re: How to handle jumbo etherney frames Message-ID: <19990221124103.A18787@keltia.freenix.fr> Mail-Followup-To: hackers@FreeBSD.ORG, Bill Paul References: <199902210458.XAA12913@skynet.ctr.columbia.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii User-Agent: Mutt/0.95.3i In-Reply-To: <199902210458.XAA12913@skynet.ctr.columbia.edu>; from Bill Paul on Sat, Feb 20, 1999 at 11:58:02PM -0500 X-Operating-System: FreeBSD 3.0-CURRENT/ELF ctm#5026 AMD-K6 MMX @ 200 MHz Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG According to Bill Paul: > the packet into 2K chunks. I think this involves one MGETHDR(), > four MGET()s and five MCLGETS(). It would be nice to find a > quick and dirty way to allocate the chain, but I don't see one > offhand. Did you looked at the FDDI driver we have in the tree ? The MTU for FDDI is around 4.5 KB I think so you my find some ideas here. /sys/net/if_fddisubr.c -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr FreeBSD keltia.freenix.fr 3.0-CURRENT #69: Mon Jan 18 02:02:12 CET 1999 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message