From: Stephen Hemminger <[email protected]>
Please consider this change for 2.6.13-stable Since BIC is
the default congestion control algorithm, this fix is quite
important.
Missing parenthesis in causes BIC to be slow in increasing congestion
window.
Spotted by Injong Rhee.
Signed-off-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv4/tcp_bic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.13.y.orig/net/ipv4/tcp_bic.c
+++ linux-2.6.13.y/net/ipv4/tcp_bic.c
@@ -136,7 +136,7 @@ static inline void bictcp_update(struct
else if (cwnd < ca->last_max_cwnd + max_increment*(BICTCP_B-1))
/* slow start */
ca->cnt = (cwnd * (BICTCP_B-1))
- / cwnd-ca->last_max_cwnd;
+ / (cwnd - ca->last_max_cwnd);
else
/* linear increase */
ca->cnt = cwnd / max_increment;
--
-
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