From owner-freebsd-net@FreeBSD.ORG Thu Nov 30 16:54:44 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E3EAA16A648 for ; Thu, 30 Nov 2006 16:54:44 +0000 (UTC) (envelope-from Kirk.Davis@epsb.ca) Received: from Exchange22.EDU.epsb.ca (exchange22.epsb.ca [198.161.119.187]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5E6F943EDF for ; Thu, 30 Nov 2006 16:51:11 +0000 (GMT) (envelope-from Kirk.Davis@epsb.ca) Received: from Exchange21.EDU.epsb.ca ([10.0.5.118]) by Exchange22.EDU.epsb.ca with Microsoft SMTPSVC(6.0.3790.1830); Thu, 30 Nov 2006 09:51:19 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Date: Thu, 30 Nov 2006 09:51:19 -0700 Message-ID: <04C71268DFDAA8499EC1A248A44B6A2B0855B165@Exchange21.EDU.epsb.ca> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Broadcom (bce) support and POLLING Thread-Index: AccUlhTApjRb/6vGQ2+tHsgJiY19UgAAge4AAAHMpfA= From: "Kirk Davis" To: "David Christensen" X-OriginalArrivalTime: 30 Nov 2006 16:51:19.0527 (UTC) FILETIME=[C2490770:01C7149F] Cc: freebsd-net@freebsd.org Subject: RE: Broadcom (bce) support and POLLING X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Nov 2006 16:54:45 -0000 =20 Hi, > Polling is not currently supported in the bce driver. OK. That would explain it. The man page for polling lists the bce interface as a supported interface so I just assumed that it would work. Does anyone know if someone is working on polling support for the bce interfaces in a Dell 2950? =20 > > Hi, > > We have just upgraded to a Dell 2950 for our main BGP router. > > With the constant rise in traffic through the box, I have started to > > notice some dropped packets so I figured I would take a look=20 > > at putting > > the interfaces into polling more to squeeze a little more packets > > through them. > >=20 > > I have added the DEVICE_POLLING and HZ=3D1000 to the kernel. I > > turned on polling for the bce interfaces and they pass=20 > traffic at low > > volumes (like ping tests). If I put my fluke traffic generators on > > either side of the box and try to ramp it up to even 100Mb=20 > > (they are Gig > > links) then the interfaces will stop responding. Turning=20 > off polling > > will get them to respond again. > >=20 > > I know that the bce support in still quite new. Has anyone else > > testing with polling and the bce interfaces? Is there any more > > information that I can get for the developers to help track=20 > this down. > > The system is not in production right now so I can use it=20 > for testing. > >=20 > > As another note... I added some Intel (em) cards into the box > > and tested with them. Polling worked great on them but I was=20 > > only able > > to get about 200k packets per second before it starts=20 > > dropping packets. > > Is this about what I should expect? > >=20 > > [root@ ~]# uname -a > > FreeBSD 6.2-RC1 FreeBSD 6.2-RC1 #2: Tue Nov 28 18:10:56 MST 2006 > > root@:/usr/obj/usr/src/sys/INET-GW i386 > >=20 > > ---- Kirk > >=20 > >=20 > >=20 > > _______________________________________________ > > freebsd-net@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-net > > To unsubscribe, send any mail to=20 > "freebsd-net-unsubscribe@freebsd.org" > >=20 > >=20 >=20 > _______________________________________________ > 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" >=20