On Tue, 2010-10-05 at 14:12 -0500, Christoph Lameter wrote: > On Tue, 5 Oct 2010, Jason Gunthorpe wrote: > > > On Tue, Oct 05, 2010 at 06:07:37PM +0200, Aleksey Senin wrote: > > > When using slow SM allow more packets to be buffered before answer > > > comming back. This patch based on idea of Christoph Lameter. > > > > > > http://lists.openfabrics.org/pipermail/general/2009-June/059853.html > > > > IMHO, I think it is better to send multicasts to the broadcast MLID than to > > queue them.. More like ethernet that way. > > I agree. We had similar ideas. However, the kernel does send igmp > reports to the MC address not to 244.0.0.2. We would have to redirect at > the IB layer until multicast via MLID becomes functional. We cannot tell > when that will be the case. > >
But what if it will not be available from some reason? How long should we wait? Do we need implement another queue/counter/timeout?
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