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authorVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 23:53:57 +0300
committerVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 23:53:57 +0300
commit90f2f5318b3a5b0898fef0fec9b91376c7de7a2c (patch)
tree33622d2b9e2064c36c17cd108c9b3a23af1fd6a4 /net/sctp/protocol.c
parente0e9db178a5ba4dbb5f16f958f1affbdc63d2cc4 (diff)
downloadlinux-90f2f5318b3a5b0898fef0fec9b91376c7de7a2c.tar.xz
sctp: Update SWS avaoidance receiver side algorithm
We currently send window update SACKs every time we free up 1 PMTU worth of data. That a lot more SACKs then necessary. Instead, we'll now send back the actuall window every time we send a sack, and do window-update SACKs when a fraction of the receive buffer has been opened. The fraction is controlled with a sysctl. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net/sctp/protocol.c')
-rw-r--r--net/sctp/protocol.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 08ef203d36ac..a3c8988758b1 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1258,6 +1258,9 @@ SCTP_STATIC __init int sctp_init(void)
/* Set SCOPE policy to enabled */
sctp_scope_policy = SCTP_SCOPE_POLICY_ENABLE;
+ /* Set the default rwnd update threshold */
+ sctp_rwnd_upd_shift = SCTP_DEFAULT_RWND_SHIFT;
+
sctp_sysctl_register();
INIT_LIST_HEAD(&sctp_address_families);