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UCP/RNDV: Skip PUT fence for ordered transports (#11673) - v1.22 - #11694

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roiedanino:v1.22-rndv-fence
Jul 23, 2026
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(cherry picked from commit 9a06403)

Add UCT_IFACE_FLAG_PUT_AM_ORDER and select direct ATP only when every
RNDV data lane provides this capability. Preserve the fenced fallback
for SRD and mixed ordered/unordered lanes.

Add protocol coverage for the ordered path, unordered fallback, and
explicit SRD transport.

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Signed-off-by: Roie Danino <rdanino@nvidia.com>
(cherry picked from commit 9a06403)
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roiedanino requested review from gleon99 and shasson5 July 23, 2026 14:38
@roiedanino roiedanino self-assigned this Jul 23, 2026
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roiedanino enabled auto-merge (squash) July 23, 2026 14:39
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roiedanino merged commit 6690259 into openucx:v1.22.x Jul 23, 2026
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2 participants