mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-24 11:29:10 +00:00
Code Issues Releases Activity

Add ECN sysctls and ECN RFC.

Browse Source
This commit is contained in:
Rui Paulo 2008-08-16 21:12:25 +00:00
parent abf07f13fd
commit 5f32510e53
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=181790
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
share/man/man4/tcp.4
View File

@ -32,7 +32,7 @@
.\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
.Dd February 28, 2007
.Dd August 16, 2008
.Dt TCP 4
.Os
.Sh NAME
@ -514,6 +514,14 @@ Timeout to use for fast recycling of
.Dv FIN_WAIT_2
connections.
Defaults to 60 seconds.
.It Va ecn.enable
Enable support for TCP Explicit Congestion Notification (ECN).
ECN allows a TCP sender to reduce the transmission rate in order to
avoid packet drops.
.It Va ecn.maxretries
Number of retries (SYN or SYN/ACK retransmits) before disabling ECN on a
specific connection. This is needed to help with connection establishment
when a broken firewall is in the network path.
.El
.Sh ERRORS
A socket operation may fail with one of the following errors returned:
@ -568,6 +576,13 @@ address.
.%T "Protection of BGP Sessions via the TCP MD5 Signature Option"
.%O "RFC 2385"
.Re
.Rs
.%A "K. Ramakrishnan"
.%A "S. Floyd"
.%A "D. Black"
.%T "The Addition of Explicit Congestion Notification (ECN) to IP"
.%O "RFC 3168"
.Re
.Sh HISTORY
The
.Tn TCP