svn commit: r330357 - stable/11/sys/netinet

[Eitan Adler]

Author: eadler
Date: Sat Mar  3 21:23:31 2018
New Revision: 330357
URL: https://svnweb.freebsd.org/changeset/base/330357

Log:
  MFC r306767:
  
  Correctly calculate snd_max in persist case.
  
  In the persist case, take the SYN and FIN flags into account when updating
  the sequence space sent.

Modified:
  stable/11/sys/netinet/tcp_output.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/netinet/tcp_output.c
==============================================================================
--- stable/11/sys/netinet/tcp_output.c	Sat Mar  3 21:14:55 2018	(r330356)
+++ stable/11/sys/netinet/tcp_output.c	Sat Mar  3 21:23:31 2018	(r330357)
@@ -1545,7 +1545,7 @@ timer:
 			tp->t_flags |= TF_SENTFIN;
 		}
 		if (SEQ_GT(tp->snd_nxt + xlen, tp->snd_max))
-			tp->snd_max = tp->snd_nxt + len;
+			tp->snd_max = tp->snd_nxt + xlen;
 	}
 
 	if (error) {