[ewg] RE: [PATCH 0/5 VNIC] VNIC patch series for OFED-1.2 and OFED-1.2.c

[Kuchimanchi, Ramachandra]

From: Michael S. Tsirkin [mailto:mst at dev.mellanox.co.il]
Sent: Tue 8/7/2007 12:16 AM
To: Kuchimanchi, Ramachandra
Cc: Michael S. Tsirkin; vlad at mellanox.co.il; ewg at lists.openfabrics.org
Subject: Re: [PATCH 0/5 VNIC] VNIC patch series for OFED-1.2 and OFED-1.2.c
 
> Quoting Kuchimanchi, Ramachandra <ramachandra.kuchimanchi at qlogic.com>:
> Subject: RE: [PATCH 0/5 VNIC] VNIC patch series for OFED-1.2 and OFED-1.2.c
> > 
> > Vlad,
> > 
> > Please apply this VNIC patch series to both the OFED-1.2 and OFED-1.2.c
> > branches.
> > 
> > This series contains changes to the VNIC driver for supporting iPath and the
> > new version of the VEx hardware, the Ethernet Virtual I/O Controller (EVIC).
> 
> > I don't see how adding features to 1.2 *at this stage* can be justufied.
> 
> Just to clarify, when I by OFED-1.2, I meant the next release in the 1.2
> series of OFED i.e OFED-1.2.1 and ultimately for OFED-1.3 down the line. Is
> there any other branch designated for that ?

> I think EWG decided that the next release in the 1.2 series will be 1.2.c.
> So far, the definition of 1.2.c was "1.2 plus bugfixes plus connectx support".

I am not entirely clear about this 1.2.c = 1.2.1 thing.
This is my understanding, please correct me if I am wrong - OFED-1.2 is the official
OFED release, OFED-1.2.c is a parallel line of development to support Connect X which
has been recently made available through a GIT tree on the OFED server. I presume, this
OFED-1.2.c would ultimately merge into the OFED-1.2 line of development to become the OFED-1.3 release.

Also OFED-1.2.c does not seem like an incremental release of OFED-1.2
with some minor changes that could be equated with something like a OFED-1.2.1, considering the
changes for Connect X support and other kernel changes.

>> And I hope there is no objection for inclusion of these patches in OFED-1.2.c
>> branch.

> This looks like a change of methodology so this might be something EWG
> would have to agree on. Right?

In the July 30th meeting minutes sent by Tziporet
(http://lists.openfabrics.org/pipermail/ewg/2007-July/004094.html), it was
mentioned that the only release in August would be that of OFED-1.2.c. The
rationale given was that it would focus QA efforts and ensure wider test coverage.

It is for this same reason that I have submitted these patches, so that we
can get wider test coverage of the changes to VNIC code as part of a complete OFED package.

I hope I have made the intention behind submitting these patches clear.

Also all of these patches are specific to VNIC and all changes are within the VNIC
driver and we have been testing them for some time now with the few previous releases
of OFED-1.2.c.

Regards,
Ram
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