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From: Andre Oppermann <andre@FreeBSD.org>
Date: Thu, 16 Feb 2006 19:38:07 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/netinet tcp_input.c tcp_subr.c tcp_timer.h
 tcp_var.h
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andre       2006-02-16 19:38:07 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          tcp_input.c tcp_subr.c tcp_timer.h 
                         tcp_var.h 
  Log:
  Have TCP Inflight disable itself if the RTT is below a certain
  threshold.  Inflight doesn't make sense on a LAN as it has
  trouble figuring out the maximal bandwidth because of the coarse
  tick granularity.
  
  The sysctl net.inet.tcp.inflight.rttthresh specifies the threshold
  in milliseconds below which inflight will disengage.  It defaults
  to 10ms.
  
  Tested by:      Joao Barros <joao.barros-at-gmail.com>,
                  Rich Murphey <rich-at-whiteoaklabs.com>
  Sponsored by:   TCP/IP Optimization Fundraise 2005
  
  Revision  Changes    Path
  1.288     +10 -0     src/sys/netinet/tcp_input.c
  1.237     +7 -1      src/sys/netinet/tcp_subr.c
  1.28      +3 -0      src/sys/netinet/tcp_timer.h
  1.127     +1 -0      src/sys/netinet/tcp_var.h