From owner-freebsd-net@FreeBSD.ORG Sun May 18 02:25:56 2003 Return-Path: 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 0C74C37B438 for ; Sun, 18 May 2003 02:25:56 -0700 (PDT) Received: from smtp1.sentex.ca (smtp1.sentex.ca [199.212.134.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4367B43F3F for ; Sun, 18 May 2003 02:25:55 -0700 (PDT) (envelope-from mike@sentex.net) Received: from house (cage.simianscience.com [64.7.134.1]) by smtp1.sentex.ca (8.12.9/8.12.9) with SMTP id h4I9Pr4M026018; Sun, 18 May 2003 05:25:53 -0400 (EDT) (envelope-from mike@sentex.net) From: Mike Tancsa To: Tony Sarendal Date: Sun, 18 May 2003 05:25:59 -0400 Message-ID: References: In-Reply-To: X-Mailer: Forte Agent 1.8/32.548 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable cc: freebsd-net@freebsd.org Subject: Re: polling(4) and Gigabit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 May 2003 09:25:56 -0000 The em driver has polling support in STABLE (post 4.8R). The limitation = is not so much the NIC, but the way the NIC is serviced via interrupts in = non polling modes. There are some very good discussions posted already you = can get via Google on what you can and cant do and what you might expect performance wise. ---Mike On Sun, 18 May 2003 09:53:26 +0200, in sentex.lists.freebsd.net you = wrote: > > From what I can see nge is the only polling driver for >Gig NICs, looking at 4.8. Has anyone done any performance >tests on this ? I'm interested in knowing what can of >bandwidth/pps one actually can achieve on a PC router. > >If the NIC now is the limitation(?), how much OS resources >do I have left after the NIC is running at 100% ? > >I'm looking at building a new network, using pc routers >for some of the bgp stuff can save quit a lot of money. > >/Tony S > >_______________________________________________ >freebsd-net@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-net >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" Mike Tancsa (mike@sentex.net)=09 http://www.sentex.net/mike