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authorDavid S. Miller <davem@sunset.davemloft.net>2007-06-13 04:03:53 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-06-13 04:03:53 -0400
commit66e1e3b20cbbf99da63e6c1af0fc6d39c2ed099a (patch)
tree6961ba7dc39aee6a61c5830ef2e0e2ad8c6d4be9 /net/ipv4/tcp_cubic.c
parentaf15cc7b858c7653443ab64db2e41b69506450ee (diff)
[TCP]: Set initial_ssthresh default to zero in Cubic and BIC.
Because of the current default of 100, Cubic and BIC perform very poorly compared to standard Reno. In the worst case, this change makes Cubic and BIC as aggressive as Reno. So this change should be very safe. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_cubic.c')
-rw-r--r--net/ipv4/tcp_cubic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index 14224487b16b..ebfaac2f9f46 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -29,7 +29,7 @@
29static int fast_convergence __read_mostly = 1; 29static int fast_convergence __read_mostly = 1;
30static int max_increment __read_mostly = 16; 30static int max_increment __read_mostly = 16;
31static int beta __read_mostly = 819; /* = 819/1024 (BICTCP_BETA_SCALE) */ 31static int beta __read_mostly = 819; /* = 819/1024 (BICTCP_BETA_SCALE) */
32static int initial_ssthresh __read_mostly = 100; 32static int initial_ssthresh __read_mostly;
33static int bic_scale __read_mostly = 41; 33static int bic_scale __read_mostly = 41;
34static int tcp_friendliness __read_mostly = 1; 34static int tcp_friendliness __read_mostly = 1;
35 35