[ixp1200] Migration of IXP12XX to IXP2XXX

[Wong Kim Sing]

Hello Mathieu,

Thank for you feedback. 

Do you mean it is possible to do so?
But, if we need to use the HW feature of the IXP2400 (example GbE - From
1GbE (IXP1200) to 2.5GbE (IXP2400)), we need a lot of changes on the code
itself, is it right?

Best regard,
Mike Wong

-----Original Message-----
From: ixp1200-bounces at lists.cs.princeton.edu
[mailto:ixp1200-bounces at lists.cs.princeton.edu] On Behalf Of Mathieu
Bertrand
Sent: Monday, June 13, 2005 4:48 PM
To: 'IXP1200 Developer's List'
Subject: RE: [ixp1200] Migration of IXP12XX to IXP2XXX



-----Original Message-----
From: David Mentre [mailto:Mentre at tcl.ite.mee.com]
Sent: lundi 13 juin 2005 08:49
To: 'IXP1200 Developer's List'
Subject: RE: [ixp1200] Migration of IXP12XX to IXP2XXX


> From: Wong Kim Sing [mailto:wongks at i2r.a-star.edu.sg]
> Sent: Monday, June 13, 2005 9:38 AM

> It's possible to do so without
> rewriting the code and still working in the same application?

No, you'll have to rewrite the code. The assembler is different. Close to
ixp1200 put different.

As I said previously, I have not ported a code from ixp1200 to ixp2000 so I
can't tell about the extent of needed modifications.

Yours,
d.
-- 
David MENTRE <mentre at tcl.ite.mee.com> - Research engineer (Ph.D.)
Mitsubishi Electric ITE-TCL / European Telecommunication Research Lab
Phone: +33 2 23 45 58 29 / Fax: +33 2 23 45 58 59 
http://www.mitsubishi-electric-itce.fr
 



Hi all,
Well, I worked first with the ixp1200 before the ixp2400.
The µcrode is nearly the same so you can rather easily port the code... some
instructions have changed so it should be considered. However in order to
correctly map and use the HW, an ixp2400 code is really different from an
ixp1200 one. Many features were added (next neighbour registers, qarray,
local memory, CAM) and so, for a standard use, the ixp2400 code is supposed
to be developped with a pipeline approach.
Regards,
Mathieu
----------------
Mathieu BERTRAND
Mitsubishi Electric ITE-TCL / European Telecommunication Research Lab
Phone: +33 2 23 45 58 31 / Fax: +33 2 23 45 58 59 
E-mail : bertrand at tcl.ite.mee.com
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