K 10
svn:author
V 7
rscheff
K 8
svn:date
V 27
2020-11-08T18:47:05.410302Z
K 7
svn:log
V 408
Prevent premature SACK block transmission during loss recovery

Under specific conditions, a window update can be sent with
outdated SACK information. Some clients react to this by
subsequently delaying loss recovery, making TCP perform very
poorly.

Reported by:	chengc_netapp.com
Reviewed by:	rrs, jtl
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D24237

END