Re: [PATCH] tcp.7: tcp_tw_recycle is removed from Linux 4.12

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Hello Bernat,

On 09/07/2017 07:32 AM, Vincent Bernat wrote:
And it is completely broken.

Thanks. Patch applied. I changed "4.12" to "4.11", since that is the last version that had this file.

Cheers,

Michael




Signed-off-by: Vincent Bernat <vincent@xxxxxxxxx>
---
  man7/tcp.7 | 16 ++++++----------
  1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/man7/tcp.7 b/man7/tcp.7
index 415c7690d5a2..c7d2fcb5362e 100644
--- a/man7/tcp.7
+++ b/man7/tcp.7
@@ -864,16 +864,12 @@ can be consumed by a single TCP Segmentation Offload (TSO) frame.
  The setting of this parameter is a tradeoff between burstiness and
  building larger TSO frames.
  .TP
-.IR tcp_tw_recycle " (Boolean; default: disabled; since Linux 2.4)"
-.\" Since 2.3.15
-Enable fast recycling of TIME_WAIT sockets.
-Enabling this option is
-not recommended for devices communicating with the general Internet
-or using NAT (Network Address Translation).
-Since some NAT gateways
-pass through IP timestamp values, one IP can appear to have
-non-increasing timestamps.
-See RFC 1323 (PAWS), RFC 6191.
+.IR tcp_tw_recycle " (Boolean; default: disabled; Linux 2.4 to 4.12)"
+.\" Since 2.3.15; removed in 4.12; commit 4396e46187ca5070219b81773c4e65088dac50cc
+Enable fast recycling of TIME_WAIT sockets.  Enabling this option is
+not recommended as the remote IP may not use monotonically increasing
+timestamps (devices behind NAT, devices with per-connection timestamp
+offsets).  See RFC 1323 (PAWS), RFC 6191.
  .\"
  .\" The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
  .TP

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