K 10
svn:author
V 7
rscheff
K 8
svn:date
V 27
2020-06-24T13:52:53.428435Z
K 7
svn:log
V 484
TCP: fix cubic RTO reaction.

Proper TCP Cubic operation requires the knowledge
of the maximum congestion window prior to the
last congestion event.

This restores and improves a bugfix previously added
by jtl@ but subsequently removed due to a revert.

Reported by:	chengc_netapp.com
Reviewed by:	chengc_netapp.com, tuexen (mentor)
Approved by:	tuexen (mentor), rgrimes (mentor)
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D25133

END