From owner-freebsd-net  Tue Jul  3  2:17:35 2001
Delivered-To: freebsd-net@freebsd.org
Received: from snfc21.pbi.net (mta5.snfc21.pbi.net [206.13.28.241])
	by hub.freebsd.org (Postfix) with ESMTP id 0655D37B401
	for <freebsd-net@FreeBSD.ORG>; Tue,  3 Jul 2001 02:17:34 -0700 (PDT)
	(envelope-from hsu@FreeBSD.org)
Received: from FreeBSD.org ([63.193.112.125])
 by mta5.snfc21.pbi.net (iPlanet Messaging Server 5.1 (built May  7 2001))
 with ESMTP id <0GFW00BTA4H5QP@mta5.snfc21.pbi.net> for
 freebsd-net@FreeBSD.ORG; Tue, 03 Jul 2001 02:17:30 -0700 (PDT)
Date: Tue, 03 Jul 2001 02:17:19 -0700
From: Jeffrey Hsu <hsu@FreeBSD.org>
Subject: Re: fastforwarding?
In-reply-to: Message from Luigi Rizzo <luigi@info.iet.unipi.it>
 "of Tue, 03 Jul 2001 10:55:42 +0200." <200107030855.KAA43664@info.iet.unipi.it>
To: Luigi Rizzo <luigi@info.iet.unipi.it>
Cc: freebsd-net@FreeBSD.ORG
Message-id: <0GFW00BTB4H5QP@mta5.snfc21.pbi.net>
MIME-version: 1.0
X-Mailer: exmh version 2.1.1 10/15/1999
Content-type: text/plain; charset=us-ascii
Content-transfer-encoding: 7BIT
Sender: owner-freebsd-net@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-net.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo?subject=subscribe%20freebsd-net>
List-Unsubscribe: <mailto:majordomo?subject=unsubscribe%20freebsd-net>
X-Loop: FreeBSD.org


  > Some versions of the 21143 have a "interrupt mitigation" register
  > which acts more or less as the VMIN/VTIME termios fields.
  > But the 21143 is hard to find these days, and it is the
  > only one i know with this feature.

Both the Alteon Tigon II (if_ti) and the National Semiconductor (if_nge)
gigabit NICs have some form of interrupt coalescing or interrupt moderation.





To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message