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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2017-05-22 14:11:07 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2017-05-22 14:11:07 +0200 |
| commit | cb4975dfbe30e799c95eed59b1d702e9893c985a (patch) | |
| tree | 37349d58b207bf6910d80d0d29cd1bb776db89d1 /man7/tcp.7 | |
| parent | e0a73a311f2cd628e1780d3567ddf0531e303211 (diff) | |
| download | man-pages-cb4975dfbe30e799c95eed59b1d702e9893c985a.tar.gz | |
tcp.7: Document value '2' for tcp_timestamps
Since Linux 4.10, the value '2' is meaningful for tcp_timestamps
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/tcp.7')
| -rw-r--r-- | man7/tcp.7 | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/man7/tcp.7 b/man7/tcp.7 index 94ab356081..e654f02420 100644 --- a/man7/tcp.7 +++ b/man7/tcp.7 @@ -840,9 +840,23 @@ For recommended alternatives see and .IR tcp_abort_on_overflow . .TP -.IR tcp_timestamps " (Boolean; default: enabled; since Linux 2.2)" +.IR tcp_timestamps " (integer; default: 1; since Linux 2.2)" .\" Since 2.1.36 -Enable RFC\ 1323 TCP timestamps. +Set to one of the following values to enable or disable RFC\ 1323 +TCP timestamps: +.RS +.IP 0 3 +Disable timestamps. +.IP 1 +Enable timestamps as defined in RFC1323 and use random offset for +each connection rather than only using the current time. +.IP 2 +As for the value 1, but without random offsets. +.\" commit 25429d7b7dca01dc4f17205de023a30ca09390d0 +Setting +.I tcp_timestamps +to this value is meaningful since Linux 4.10. +.RE .TP .IR tcp_tso_win_divisor " (integer; default: 3; since Linux 2.6.9)" This parameter controls what percentage of the congestion window |