Hackable GbE Controller?
Medgya
I was just wondering if there are any GbE controllers out there that
do enough of their processing in the driver (or have sufficient
control knobs available) that we can experiment with nonstandard
collision algorithms, or in any case, as much of frame processing as
possible? The Intel controllers I've looked at (8254x) seem to handle
most of the actual Ethernet processing in hardware, as you'd expect,
leaving the driver to do little more than manage buffers and
statistics. We'd like to play around at a lower level. Does anyone
have any suggestions? Maybe it's just too much to ask at these speeds?
Thanks!
PS The e-mail address is just a spam trap, so if possible please reply
to the group.
jpd
On Wed, 1 Oct 2008 22:58:51 -0700 (PDT), Medgya <medg...@yahoo.com> wrote:
> I was just wondering if there are any GbE controllers out there that
> do enough of their processing in the driver (or have sufficient
> control knobs available) that we can experiment with nonstandard
> collision algorithms, or in any case, as much of frame processing as
> possible?
I don't know whether the accton tigon I and II and broadcom tigon III
cards will let you go quite that far, but I did notice they have
replaceable firmware. The documentation and sample firmwares were
available from accton but apparently not any more, but a little
searching should turn up some copies.
--
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Rick Jones
> I don't know whether the accton tigon I and II and broadcom tigon III
^^^^^^^^
You mean Alteon?
I presume this would be at 100BT speeds since there is so very little
half-duplex GbE... I wonder what the folks who came-up with BLAM to
deal with capature effect used for their testing?
rick jones
--
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these opinions are mine, all mine; HP might not want them anyway... :)
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jpd
On Thu, 2 Oct 2008 18:47:03 +0000 (UTC), Rick Jones <rick....@hp.com> wrote:
> jpd <read_t...@do.not.spam.it.invalid> wrote:
>
>> I don't know whether the accton tigon I and II and broadcom tigon III
> ^^^^^^^^
> You mean Alteon?
Err, yes. Apologies.
Rich Seifert
Rick Jones <rick....@hp.com> wrote:
> I wonder what the folks who came-up with BLAM to
> deal with capature effect used for their testing?
>
We did it all in simulation; the project never got far enough to build
actual hardware. If we were doing it today, I would build the
state-machine in an FPGA for testing.
--
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Medgya
my hands on!