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doc: Clarify behavior when sysctl tcp_ecn = 1

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Recent commit (commit 7e3a2dc529 doc: make the description of how tcp_ecn
works more explicit and clear ) clarified the behavior of tcp_ecn sysctl
variable but description is inconsistent. When requested by incoming conections,
ECN is enabled with not just tcp_ecn = 2 but also with tcp_ecn = 1.

This patch makes it clear that with tcp_ecn = 1, ECN is enabled when requested
by incoming connections.

Also fix spelling of 'incoming'.

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vijay Subramanian 2013-01-09 12:21:30 +00:00 committed by David S. Miller
parent 238268503f
commit 3d55b32370
1 changed files with 3 additions and 2 deletions
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5
Documentation/networking/ip-sysctl.txt
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@ -214,8 +214,9 @@ tcp_ecn - INTEGER
congestion before having to drop packets.
Possible values are:
0 Disable ECN. Neither initiate nor accept ECN.
1 Always request ECN on outgoing connection attempts.
2 Enable ECN when requested by incomming connections
1 Enable ECN when requested by incoming connections and
also request ECN on outgoing connection attempts.
2 Enable ECN when requested by incoming connections
but do not request ECN on outgoing connections.
Default: 2