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author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-11-23 21:53:57 +0100 |
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committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-11-23 21:53:57 +0100 |
commit | 90f2f5318b3a5b0898fef0fec9b91376c7de7a2c (patch) | |
tree | 33622d2b9e2064c36c17cd108c9b3a23af1fd6a4 /net/sctp/protocol.c | |
parent | sctp: Select a working primary during sctp_connectx() (diff) | |
download | linux-90f2f5318b3a5b0898fef0fec9b91376c7de7a2c.tar.xz linux-90f2f5318b3a5b0898fef0fec9b91376c7de7a2c.zip |
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.c | 3 |
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); |