K 10 svn:author V 7 rscheff K 8 svn:date V 27 2020-06-24T16:17:58.499564Z K 7 svn:log V 472 MFC r361347: With RFC3168 ECN, CWR SHOULD only be sent with new data Overly conservative data receivers may ignore the CWR flag on other packets, and keep ECE latched. This can result in continous reduction of the congestion window, and very poor performance when ECN is enabled. PR: 243590 Reviewed by: rgrimes (mentor), rrs Approved by: rgrimes (mentor, blanket) MFC after: 3 weeks Sponsored by: NetApp, Inc. Differential Revision: https://reviews.freebsd.org/D23364 END