[Bug 174535] [tcp] TCP fast retransmit feature works strange
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Tue Dec 1 08:45:17 UTC 2015
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=174535
Hiren Panchasara <hiren at FreeBSD.org> changed:
What |Removed |Added
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CC| |hiren at FreeBSD.org
--- Comment #2 from Hiren Panchasara <hiren at FreeBSD.org> ---
Unsure if you are still chasing this but I am a bit lost on what you are trying
to do. If you are trying to trigger fast-retransmit on 2 dupacks instead of 3,
easiest way is to change 'const int tcprexmtthresh = 3' in tcp_input.c
About tcpdump showing packet size > MSS, it usually happens with tso/lro.
(Also providing actual pcaps help in such situations.)
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