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(parent: 79c2a2a) | patch
Replacing MD5 by SipHash improves the performance of the TCP time stamp
authorMichael Tuexen <tuexen@FreeBSD.org>
Sat, 28 Sep 2019 13:13:23 +0000 (13:13 +0000)
committerMichael Tuexen <tuexen@FreeBSD.org>
Sat, 28 Sep 2019 13:13:23 +0000 (13:13 +0000)
commit71e85612a9b7533b416de9b5e491c4799fe110a6
tree8b8625aa20b69ef1696bdfd46ce3fb45c7a558c1tree | snapshot
parent79c2a2a07b38dcc8d43db30fc7a2dd651db83434commit | diff
Replacing MD5 by SipHash improves the performance of the TCP time stamp
initialisation, which is important when the host is dealing with a
SYN flood.
This affects the computation of the initial TCP sequence number for
the client side.
This has been discussed with secteam@.

Reviewed by: gallatin@
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D21616
sys/netinet/tcp_subr.c diff | blob | history
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