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    SubjectRe: EtherExpress PRO/100 Intelligent Server Adapter with i960(R) proces sor


    On Fri, 11 Dec 1998, Rogier Wolff wrote:

    > Jeffrey Hundstad wrote:
    > > My brand-spank'n-new "EtherExpress PRO/100 Intelligent Server Adapter
    > > with i960(R) processor" showed up today and I instlled it. It was
    > > undetected by the eepro100.c:v1.06 10/16/98 driver that comes with
    > > linux-2.1.131. Is there a driver that does work with this card? Or
    > > am I doing something wrong?
    >
    > Intel makes a chip called the 82557 (and its fancier brother 82558).
    > Those are Ethernet controllers. The eepro100 driver can handle those
    > chips.
    >
    > Your card has a complete processor on the card, an Intel 960, that
    > will need to get programmed. This is probably also an pci/pci bridge,
    > so, with a bit of luck there is very little to do before the eepro100
    > driver can work with the 82558 chip that I expect on your board.
    >
    > However you're not using the i960 chip to offload the CPU.
    >
    > Having an extra CPU that can "do" things for you, is pretty
    > nice. However its usefulness still has to be seen: Linux doesn't lend
    > itself very good for a network card that could do more than just shove
    > the packets out of the door. The 82557 can already independently of
    > the processor push packets onto the wire.
    >
    > So what could we have the '960 do?
    >
    > I think that the best we can do is to make the "bottom half" of the
    > driver a complete "noop". Best-case, we could have the '960
    > independently scan the standard "device queue" and process it into
    > the list that the '557 can handle.

    a noop? why not make the bottom half of the driver an rc5 client? ;-)

    > Roger.
    >
    >
    > --
    > My pet light bulb is a year old today. \_________ R.E.Wolff@BitWizard.nl
    > That's 5.9*10^12 miles. Your mileage will NOT vary.\__Phone: +31-15-2137555
    > --(time <-> distance can be converted: lightspeed)-- \____ fax: ..-2138217
    > We write Linux device drivers for any device you may have! \_______________
    >
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