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| author | truckman <truckman@FreeBSD.org> | 2016-05-19 23:03:07 +0000 |
|---|---|---|
| committer | truckman <truckman@FreeBSD.org> | 2016-05-19 23:03:07 +0000 |
| commit | 4faf8283d2cfe83fd524dcceb4321e863b773cba (patch) | |
| tree | b27fe77f4d87a953fc799c8efc2f074167522176 | |
| parent | 710b404b0fd265382badcfed756d2fe2da15d067 (diff) | |
| download | FreeBSD-src-4faf8283d2cfe83fd524dcceb4321e863b773cba.zip FreeBSD-src-4faf8283d2cfe83fd524dcceb4321e863b773cba.tar.gz | |
Document new net.inet.tcp.ecn.enable sysctl settings.
MFC after: 1 month (with r300240)
| -rw-r--r-- | share/man/man4/tcp.4 | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index de993e7..d02ff55 100644 --- a/share/man/man4/tcp.4 +++ b/share/man/man4/tcp.4 @@ -34,7 +34,7 @@ .\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93 .\" $FreeBSD$ .\" -.Dd January 21, 2016 +.Dd May 19, 2016 .Dt TCP 4 .Os .Sh NAME @@ -530,6 +530,17 @@ Defaults to 60 seconds. Enable support for TCP Explicit Congestion Notification (ECN). ECN allows a TCP sender to reduce the transmission rate in order to avoid packet drops. +Settings: +.Bl -tag -compact +.It 0 +Disable ECN. +.It 1 +Allow incoming connections to request ECN. +Outgoing connections will request ECN. +.It 2 +Allow incoming connections to request ECN. +Outgoing connections will not request ECN. +.El .It Va ecn.maxretries Number of retries (SYN or SYN/ACK retransmits) before disabling ECN on a specific connection. |
