K 10
svn:author
V 6
tuexen
K 8
svn:date
V 27
2020-08-08T19:39:38.670351Z
K 7
svn:log
V 391
Improve the ECN negotiation when the TCP SYN-cache is used by making
sure that
* ECN is disabled if the client sends an non-ECN-setup SYN segment.
* ECN is disabled is the ECN-setup SYN-ACK segment is retransmitted more
  than net.inet.tcp.ecn.maxretries times.

Reviewed by:		rscheff
MFC after:		1 week
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D26008

END