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Steve Wise authored
The HW by default has RX coalescing on. For iWARP connections, this causes a 100ms delay in connection establishement due to the ingress MPA Start message being stalled in HW. So explicitly turn RX coalescing off when setting up iWARP connections. This was causing very bad performance for NP64 gather operations using Open MPI, due to the way it sets up connections on larger jobs. Signed-off-by:
Steve Wise <swise@opengridcomputing.com> Cc: <stable@kernel.org> Signed-off-by:
Roland Dreier <rolandd@cisco.com>
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