On Fri, 22 Jul 2011 15:13:49 -0700 Jason Gunthorpe <[email protected]> wrote:
> On Fri, Jul 22, 2011 at 03:00:49PM -0700, Ira Weiny wrote: > > > I agree it would be nice if one could issue a combined path and "scan > > through" > > any xCA on the fabric. However, I don't think it is allowed, nor correct to > > do so. > > Well, it is explicitly not allowed: > > 2) If Hop Count is non zero and Hop Pointer is in the range 1 Hop > Pointer < Hop Count, this SMI is an intermediate hop in the directed > route portion of the path. If the node is not a switch, the SMI shall > discard the SMP, otherwise the SMI shall alter the contents of the > directed route SMP as follows: I guess I was confused because in the example I gave the Hop Count would be zero so the above did not apply. That is why I went off looking for other explanations. Regardless I think we are all in agreement. :-D Ira > > > Even if this is considered vague there would be a problem a xCA was allowed. > > That sort of behavior is explicitly disallowed in other cases, like > reading port info. > > Jason > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Ira Weiny Math Programmer/Computer Scientist Lawrence Livermore National Lab 925-423-8008 [email protected] -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
