K 10 svn:author V 5 hiren K 8 svn:date V 27 2016-11-01T21:08:37.772554Z K 7 svn:log V 463 Set slow start threshold more accurately on loss to be flightsize/2 instead of cwnd/2 as recommended by RFC5681. (spotted by mmacy at nextbsd dot org) Restore pre-r307901 behavior of aligning ssthresh/cwnd on mss boundary. (spotted by slawa at zxy dot spb dot ru) Tested by: dim, Slawa MFC after: 1 month X-MFC with: r307901 Sponsored by: Limelight Networks Differential Revision: https://reviews.freebsd.org/D8349 END