Ike has since done some more extensive testing, and found that
performance actually *drops* with longer iperf runs. With a 900s run,
he's seeing it go down to ~200Mbps, while the kernel emits messages like
these:
[ 1070.047048] ITS queue timeout (65440 65504 1120)
[ 1070.051658] ITS cmd its_build_inv_cmd failed
It's unclear if this is actually an issue with the patch, or a platform-
specific issue, but either way I think we need to change this status to
verification-failed. I've reported this upstream.
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https://bugs.launchpad.net/bugs/1800664
Title:
Add checksum offload and TSO support for HiNIC adapters
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