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authorStephen Hemminger <shemminger@osdl.org>2005-11-10 17:07:24 -0800
committerDavid S. Miller <davem@davemloft.net>2005-11-10 17:07:24 -0800
commit7faffa1c7fb9b8e8917e3225d4e2638270c0a48b (patch)
tree3c9f998639bc2374a86b1f2251ae421e625c1e9d /net/ipv4/tcp_bic.c
parent2d2abbab63f6726a147ae61ada39bf2c9ee0db9a (diff)
downloadop-kernel-dev-7faffa1c7fb9b8e8917e3225d4e2638270c0a48b.zip
op-kernel-dev-7faffa1c7fb9b8e8917e3225d4e2638270c0a48b.tar.gz
[TCP]: add tcp_slow_start helper
Move all the code that does linear TCP slowstart to one inline function to ease later patch to add ABC support. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_bic.c')
-rw-r--r--net/ipv4/tcp_bic.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c
index 5af99b3..1d0cd86 100644
--- a/net/ipv4/tcp_bic.c
+++ b/net/ipv4/tcp_bic.c
@@ -220,14 +220,12 @@ static void bictcp_cong_avoid(struct sock *sk, u32 ack,
if (!tcp_is_cwnd_limited(sk, in_flight))
return;
- if (tp->snd_cwnd <= tp->snd_ssthresh) {
- /* In "safe" area, increase. */
- if (tp->snd_cwnd < tp->snd_cwnd_clamp)
- tp->snd_cwnd++;
- } else {
+ if (tp->snd_cwnd <= tp->snd_ssthresh)
+ tcp_slow_start(tp);
+ else {
bictcp_update(ca, tp->snd_cwnd);
- /* In dangerous area, increase slowly.
+ /* In dangerous area, increase slowly.
* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd
*/
if (tp->snd_cwnd_cnt >= ca->cnt) {
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