c104604387
RHEL 7 has shipped with kernel support for the RDMA_TRANSPORT_USNIC enum, but ''not'' the RDMA_TRANSPORT_USNIC_UDP enum. This means that when you install usNIC drivers from cisco.com, the kernel will report IBV_TRANSPORT_USNIC, even though the transport is actually using UDP. Therefore, we have to modify the logic in common/verbs to do the additional magic probe if the device reports either an IBV_TRANSPORT_IWARP or IBV_TRANSPORT_USNIC (because both of those might be lies -- do the probe to figure out the real transport). The code changed by this patch is fairly trivial; it simply moves the logic of the magic probe to its own short function, and then calls that short function in both the IBV_TRANSPORT_(IWARP|USNIC) cases. It looks longer because several lengthy comments were also updated. Authored-by: Jeff Squyres <jsquyres@cisco.com> Reviewed-by: Dave Goodell <dgoodell@cisco.com> cmr=v1.8.2:reviewer=ompi-rm1.8 This commit was SVN r32098. |
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