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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2014-03-31 07:40:57 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2014-03-31 22:11:02 +0200 |
| commit | 22ae407d3eb47d0dedcec46258deb88f71e86f10 (patch) | |
| tree | 47baca5368337b7979eb210b47e65c20f2b2f362 /man7/tcp.7 | |
| parent | 70415818187d563f73a17bc6cfbb8240106d57ef (diff) | |
| download | man-pages-22ae407d3eb47d0dedcec46258deb88f71e86f10.tar.gz | |
tcp.7: Document /proc/sys/net/ipv4/tcp_autocorking
Text heavily based on Documentation/networking/ip-sysctl.txt
Cowritten-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/tcp.7')
| -rw-r--r-- | man7/tcp.7 | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/man7/tcp.7 b/man7/tcp.7 index 0b8bf57ae0..b443057649 100644 --- a/man7/tcp.7 +++ b/man7/tcp.7 @@ -73,7 +73,7 @@ .\" commit c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 .\" Author: Eric Dumazet <edumazet@google.com> .\" -.TH TCP 7 2014-01-23 "Linux" "Linux Programmer's Manual" +.TH TCP 7 2014-03-31 "Linux" "Linux Programmer's Manual" .SH NAME tcp \- TCP protocol .SH SYNOPSIS @@ -302,6 +302,23 @@ The list is a subset of those listed in The default value for this list is "reno" plus the default setting of .IR tcp_congestion_control . .TP +.IR tcp_autocorking " (Boolean; default: enabled; since Linux 3.14)" +.\" commit f54b311142a92ea2e42598e347b84e1655caf8e3 +.\" Text heavily based on Documentation/networking/ip-sysctl.txt +If this option is enabled, the kernel tries to coalesce small writes +(from consecutive +.BR write (2) +and +.BR sendmsg (2) +calls) as much as possible, +in order to decrease the total number of sent packets. +Coalescing is done if at least one prior packet for the flow +is waiting in Qdisc queues or device transmit queue. +Applications can still use the +.B TCP_CORK +socket option to obtain optimal behavior +when they know how/when to uncork their sockets. +.TP .IR tcp_available_congestion_control " (String; read-only; since Linux 2.4.20)" .\" The following is from 2.6.28-rc4: Documentation/networking/ip-sysctl.txt Show a list of the congestion-control algorithms |