[ethmac] Ethernet MAC Core questions.

[Jacinto San Pablo <jacinto.sanpablo@s3group.com>]

Dear Sir,

I've been told about the existence of OPENCORES organization. My
interest is basically in the MAC part of Ethernet networks, and it was a

pleasure to discover that you were working in the development of an
Ethernet MAC core.
After reading the Ethernet IP Core documentation and looking at the
code, I still have some shadowed points which I would like to ask you
for some clarifications on. Any kind of help will be much appreciated.

1) Does the Core implement Back Pressure in Half Duplex? If not, do you
not think it is useful ?
2) Does the Core recognize VLAN frames at reception or transmission ?
3) Have the Status Vectors for a transmitted or received frame been
implemented yet? What information do they provide?
4) Is the block going to implement Address Resolution Logic? If
not, how do you understand the whole system? I mean, is it planned to
implement the host as a microprocessor, which will check the addresses
and discard frames ?
5) I have seen that you are still working on the design. Do you know
roughly,
when each of the parts could be finished : documentation, code and
testbench ?

Thank you very much in advance.

Yours sincerely.


Jacinto San Pablo.

________________________________________________________________________

  Jacinto San Pablo García - IC Engineer - Communications Infrastructure

________________________________________________________________________


  Silicon & Software Systems (S3)  | Phone:     + 353-1-291-1357
  Whelan house                     | Reception: + 353-1-291-1000
  South County Business Park       | Fax:       + 353-1-291-1001
  Leopardstown                     | E-mail:    jacintos@s3group.com
  Dublin 18  (Ireland)             | Web:       www.s3group.com
________________________________________________________________________



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