Date: Sun, 19 Dec 1999 19:13:36 -0800 From: Jason Thorpe <thorpej@nas.nasa.gov> To: Bill Paul <wpaul@skynet.ctr.columbia.edu> Cc: julian@whistle.com (Julian Elischer), hackers@FreeBSD.ORG Subject: Re: USB ethernet hacking Message-ID: <199912200313.TAA14692@lestat.nas.nasa.gov>
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On Sun, 19 Dec 1999 17:18:37 -0500 (EST)
Bill Paul <wpaul@skynet.ctr.columbia.edu> wrote:
> Because this is not an asynchronous task that I'm trying to do here.
> I'm talking about reading and writing registers from the ethernet
> controller. If this was a PCI device, I'd be using
> bus_space_read_X()/bus_space_write_X() to read the registers directly. I
> don't want to start reading a register and then come back a while later
> to read the results. The code isn't meant to work like that.
All this means is that you can't structure a USB Ethernet driver like
a traditional directly-connected Ethernet driver.
NetBSD supports a SCSI Ethernet adapter, and it works just fine (it's
the only way for those PC532 owners to talk to Ethernet :-)
-- Jason R. Thorpe <thorpej@nas.nasa.gov>
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