[openfabrics-ewg] [openib-general] OFED 1.2 features update - RDMA CM etc
monil at voltaire.com
Wed Dec 6 22:17:39 PST 2006
On 12/6/06, Sean Hefty <mshefty at ichips.intel.com> wrote:
> >>>I gather the ucma bits are in rdma_ucm?
> Basically, I reworked changes that were in svn into separate branches based off
> of 2.6.19.
> > 1st is probably to fix the mcast bits so that they don't crash the machine.
> > OFED will be based on whatever is merged by Linus by that time + any number of patches
> > and out of kernel modules.
> Even if the kernel multicast support could make it into 2.6.20, I won't have the
> multicast changes to the rdma_cm done by then.
> >>3rd have Sean decide how he wants the multicast support to be integrated
> >>into OFED 1.2, my guess would be as a patch set over the
> >>ib_sa/ipoib/rdma_cm and rdma_ucm but its left for him to decide
> Does OFED want the multicast support in 1.2?
We definitely want the multicast support in 1.2. It's on the wiki (
OFED 1.2 release plan and features) and I understood that this was
also agreed on at SC06.
> > Maybe the right thing is to split the multicast stuff in a separate library,
> > or have a separate ABI version for multicast, I don't really know.
> My anticipation is that the multicast support will bump the ABI, but will allow
> backwards compatibility. The break from librdmacm ABI 2 to ABI 3 is a result of
> changing the event reporting.
> - Sean
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> openfabrics-ewg at openib.org
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