[ofa-general] Re: IPOIB CM (NOSRQ)[PATCH V3] patch for review

[Pradeep Satyanarayana]

Pradeep Satyanarayana/Beaverton/IBM wrote on 04/27/2007 05:51:14 PM:

> Here is a third version of the IPOIB_CM_NOSRQ patch for review. This
> patch will benefit adapters that do not support shared receive queues.
> 
> This patch incorporates the following review comments from v2:
> There should be no line wrap issues now
> Code restructured to seperate the SRQ/non-SRQ in several places
> 
> This patch has been tested with linux-2.6.21-rc5 and rc7 (derived 
> from Roland's for 2.6.22  git tree on 04/25/2007)
> with Topspin and IBM HCAs on ppc64 machines. I have run netperf 
> between two IBM HCAs and as well 
> as between IBM and Topspin HCA.
> 
> Note 1: I have retained the code to avoid IB_WC_RETRY_EXC_ERR while 
> performing interoperability tests
> As discussed in this mailing list that may be a CM bug or have the 
> various HCA address it. Hence I would
> like to seperate out that issue from this patch. At a future point 
> when the issue gets resolved I can provide
> another patch to change the retry_count values back to 0 if need be.
> 
> Note 2: "Modify Port" patch submitted by Joachim Fenkes  is needed 
> for the ehca driver to work on the IBM HCAs.
> Have not tested with this patch as yet.
> 

I have now tested with the above mentioned "Modify Port" patch and it 
works 
as expected.

Pradeep
pradeep at us.ibm.com