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From: Andre Oppermann <andre@FreeBSD.org>
Date: Fri, 15 Jun 2012 08:10:14 +0000 (UTC)
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Subject: svn commit: r237128 - user/andre/tcp_workqueue/sys/netinet
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Author: andre
Date: Fri Jun 15 08:10:14 2012
New Revision: 237128
URL: http://svn.freebsd.org/changeset/base/237128

Log:
  Change the SYN retransmit schedule to be less aggressive and more
  smooth.  It still tries far too often and long to establish a
  connection before giving up and signalling the application.

Modified:
  user/andre/tcp_workqueue/sys/netinet/tcp_timer.c

Modified: user/andre/tcp_workqueue/sys/netinet/tcp_timer.c
==============================================================================
--- user/andre/tcp_workqueue/sys/netinet/tcp_timer.c	Fri Jun 15 08:04:47 2012	(r237127)
+++ user/andre/tcp_workqueue/sys/netinet/tcp_timer.c	Fri Jun 15 08:10:14 2012	(r237128)
@@ -147,7 +147,7 @@ tcp_slowtimo(void)
 }
 
 int	tcp_syn_backoff[TCP_MAXRXTSHIFT + 1] =
-    { 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 64, 64 };
+    { 1, 1, 2, 2, 4, 4, 8, 8, 16, 16, 32, 32, 64 };
 
 int	tcp_backoff[TCP_MAXRXTSHIFT + 1] =
     { 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 512, 512, 512 };