[openib-general] ucma into kernel.org
Michael S. Tsirkin
mst at mellanox.co.il
Tue Jul 25 13:53:55 PDT 2006
Quoting r. Sean Hefty <sean.hefty at intel.com>:
> Subject: RE: [openib-general] ucma into kernel.org
>
> >How do you mean duplicate QPN? You can;t track remote QPNs, can you?
>
> The QPN carried in the original and new REQ messages would be the same. Remote
> QPNs are tracked by the IB CM for timewait purposes, in case the remote system
> reboots, then tries to establish a new connection using a QP that the local
> system still thinks is connected.
Hmm. Not sure why does CM need to do this? Does it say so in the spec?
--
MST
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