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Differential D21616

Replace MD5 by SipHash as TCP keyed hash function
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Authored by tuexen on Sep 12 2019, 2:03 PM.
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gallatin
rrs
jtl
rscheff
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transport
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rS352843: Replacing MD5 by SipHash improves the performance of the TCP time stamp
Summary

Replacing MD5 by SipHash improves the performance of the time stamp initialisation, which is important when the host is receiving a SYN flood.

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rS FreeBSD src repository - subversion
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Event Timeline

tuexen created this revision.Sep 12 2019, 2:03 PM
Herald added a reviewer: transport. · View Herald TranscriptSep 12 2019, 2:03 PM
Herald added a subscriber: imp. · View Herald Transcript
Harbormaster completed remote builds in B26419: Diff 61972.Sep 12 2019, 2:03 PM
tuexen added a reviewer: rscheff.Sep 12 2019, 2:29 PM
gallatin accepted this revision.Sep 26 2019, 2:13 PM

I tested this, and it performed well and worked fine.

This revision was not accepted when it landed; it landed in state Needs Review.Sep 28 2019, 1:13 PM
Closed by commit rS352843: Replacing MD5 by SipHash improves the performance of the TCP time stamp (authored by tuexen). · Explain Why
This revision was automatically updated to reflect the committed changes.
tuexen added a commit: rS352843: Replacing MD5 by SipHash improves the performance of the TCP time stamp.

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PathSize
head/
sys/
netinet/
34 lines

Diff 62685

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head/sys/netinet/tcp_subr.c

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