Re: [PATCH] tcp.7: tcp_tw_recycle is removed from Linux 4.12
From: Michael Kerrisk (man-opages) <hidden>
Date: 2017-09-14 12:50:37
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
quoted hunk
Signed-off-by: Vincent Bernat <redacted> --- 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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