Date: Thu, 12 Jul 2001 16:23:05 +0200 From: Christophe Prévotaux <c.prevotaux@hexanet.fr> To: mark tinguely <tinguely@web.cs.ndsu.NoDak.edu> Cc: atm@FreeBSD.ORG Subject: Re: Service Classes Message-ID: <20010712162305.19cfcc3f.c.prevotaux@hexanet.fr> In-Reply-To: <200107121234.f6CCYVO39511@web.cs.ndsu.NoDak.edu> References: <20010712130128.51266211.c.prevotaux@hexanet.fr> <200107121234.f6CCYVO39511@web.cs.ndsu.NoDak.edu>
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On Thu, 12 Jul 2001 07:34:31 -0500 (CDT) mark tinguely <tinguely@web.cs.ndsu.NoDak.edu> wrote: > > Is it possible to support > > > > CBR > > nt-VBR > > nrt-VBR > > ABR > > UBR > > > > with a Forerunner 200E and FreeBSD 4.x ? > > the ForeRunner (IDT 77211 based card) driver is capable of CBR and some > VBR support, but the driver interface to HARP code is fixed on VBR mode. > That version of the IDT SAR family is bad at all VBR, UBR and no hardware > ABR support. For example the SAR may send out a PDU at a specified VBR rate, > but cannot work on another PDU in that service queue at the same time. > There are 3 total service queues, and in some versions of the chipset, > only two queues are usable. > > The newer family of IDT SAR (IDT 77252) found in the Prosum card has > fixed all these problems and supports hardware ABR besides. There > is not FreeBSD driver for this card at this time. > ~ > thanks for your answer, is anyone working on a driver for the prosum cards ? prosum people have a Linux driver and are ready to help anyone who want to port this driver to FreeBSD ( they are not going to do it themselves) it would be nice to add this driver to FreeBSD and/or NetBSD Mark do you know a PC motherboard that has 64bits PCI slots ? being able to build a N x 622Mbps or N x 155Mbps FreeBSD ATM/Gigabit Ethernet switch that could also handle MPLS would be nice :) also I am looking for (it such thing exists?) an SDH PCI adapter -- =================================================================== Christophe Prevotaux Email: c.prevotaux@hexanet.fr HEXANET SARL URL: http://www.hexanet.fr/ Z.A Farman Sud Tel: +33 (0)3 26 79 30 05 9 rue Roland Coffignot Direct: +33 (0)3 26 79 08 02 BP415 Fax: +33 (0)3 26 79 30 06 51689 Reims Cedex 2 FRANCE =================================================================== To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-atm" in the body of the message
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