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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2008-12-08 01:18:37 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-08 01:18:37 -0800
commit4098dce5be537a157eed4a326efd464109825b8b (patch)
treef7116e98853d805eb874c4f2345c3cce2acbfaa7 /Documentation/networking
parent0049bab5e765aa74cf767a834fa336e19453fc5e (diff)
dccp: Remove manual influence on NDP Count feature
Updating the NDP count feature is handled automatically now: * for CCID-2 it is disabled, since the code does not use NDP counts; * for CCID-3 it is enabled, as NDP counts are used to determine loss lengths. Allowing the user to change NDP values leads to unpredictable and failing behaviour, since it is then possible to disable NDP counts even when they are needed (e.g. in CCID-3). This means that only those user settings are sensible that agree with the values for Send NDP Count implied by the choice of CCID. But those settings are already activated by the feature negotiation (CCID dependency tracking), hence this form of support is redundant. At startup the initialisation of the NDP count feature uses the default value of 0, which is done implicitly by the zeroing-out of the socket when it is allocated. If the choice of CCID or feature negotiation enables NDP count, this will then be updated via the NDP activation handler. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/dccp.txt3
1 files changed, 0 insertions, 3 deletions
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index a203d132dbe..1403745ab40 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -133,9 +133,6 @@ retries2
importance for retransmitted acknowledgments and feature negotiation,
data packets are never retransmitted. Analogue of tcp_retries2.
-send_ndp = 1
- Whether or not to send NDP count options (sec. 7.7.2).
-
send_ackvec = 1
Whether or not to send Ack Vector options (sec. 11.5).