K 10
svn:author
V 7
rscheff
K 8
svn:date
V 27
2020-10-24T16:11:46.230451Z
K 7
svn:log
V 339
TCP Cubic: improve reaction to (and rollback from) RTO

1. fix compliancy issue of CUBIC RTO handling according to RFC8312 section 4.7
2. add CUBIC CC_RTO_ERR handling

Submitted by:	chengc_netapp.com
Reviewed by:	rrs, tuexen, rscheff
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D26808

END