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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-09-11 11:10:55 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-09-11 11:15:31 +0200 |
| commit | 935181bb5c650af6874cd23e14ca96023d76ccc9 (patch) | |
| tree | 259ed7989dc6fd3a84f32ba7567583b0b279a384 | |
| parent | b95e7457d29fd11c06037b682d4855d6c396ecc4 (diff) | |
| download | man-pages-935181bb5c650af6874cd23e14ca96023d76ccc9.tar.gz | |
tcp.7: Add some version details for 'tcp_ecn' changes
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man7/tcp.7 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/man7/tcp.7 b/man7/tcp.7 index 0409a66c22..737198f15e 100644 --- a/man7/tcp.7 +++ b/man7/tcp.7 @@ -396,7 +396,7 @@ option. .\" Since 2.4.0-test7 Enable RFC\ 2883 TCP Duplicate SACK support. .TP -.IR tcp_ecn " (Integer; default: 2; since Linux 2.4)" +.IR tcp_ecn " (Integer; default: se below; since Linux 2.4)" .\" Since 2.4.0-test7 Enable RFC\ 3168 Explicit Congestion Notification. @@ -405,12 +405,15 @@ This file can have one of the following values: .IP 0 Disable ECN. Neither initiate nor accept ECN. +This was the default up to and including Linux 2.6.30. .IP 1 Enable ECN when requested by incoming connections and also request ECN on outgoing connection attempts. .IP 2 +.\" commit 255cac91c3c9ce7dca7713b93ab03c75b7902e0e Enable ECN when requested by incoming connections, but do not request ECN on outgoing connections. +This value is supported, and is the default, since Linux 2.6.31. .RE .IP When enabled, connectivity to some destinations could be affected |