Date: Mon, 01 Sep 1997 16:56:18 +0900 From: Kenjiro Cho <kjc@csl.sony.co.jp> To: Panos GEVROS <P.Gevros@cs.ucl.ac.uk> Cc: salo@msc.edu (Tim Salo), freebsd-atm@FreeBSD.ORG Subject: Re: Efficient ATM card. Message-ID: <199709010756.QAA15363@hotaka.csl.sony.co.jp> In-Reply-To: Your message of "Sun, 31 Aug 1997 18:51:00 %2B0100." <16197.873049860@cs.ucl.ac.uk>
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>From my experience, I can say that ENI drivers choose chipset and motherboard. All ENI drivers make heavy use of PCI DMA, and the first generation pci chipsets don't seem to work well. So, use triton-2, natoma, or newer chipsets. Cranor's driver tries to find out the workable DMA combination (burst size and alignment) but still fails to work with older (broken?) chipsets. I don't know much about harp2 but cranor's driver seems to do more extensive testing. WRT adding a traffic shaping function, I'm planning to add a sysctl for it to cranor's driver but I won't have time to make a release until October. If you're desparate, drop me an e-mail. --kj
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