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| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:31:11 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:31:11 -0400 |
| commit | 334d0dd8b660557608142f0f77abc6812b48f08b (patch) | |
| tree | 9393a9aa099d7d42deda5f9f5054796c0c769be7 /net/ipv4/tcp_highspeed.c | |
| parent | 3f07d8796262f6aee135c8dd9a91210da9f888e4 (diff) | |
| parent | 5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'net/ipv4/tcp_highspeed.c')
| -rw-r--r-- | net/ipv4/tcp_highspeed.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c index a291097fcc0a..43d624e5043c 100644 --- a/net/ipv4/tcp_highspeed.c +++ b/net/ipv4/tcp_highspeed.c @@ -97,10 +97,6 @@ struct hstcp { u32 ai; }; -static int max_ssthresh = 100; -module_param(max_ssthresh, int, 0644); -MODULE_PARM_DESC(max_ssthresh, "limited slow start threshold (RFC3742)"); - static void hstcp_init(struct sock *sk) { struct tcp_sock *tp = tcp_sk(sk); @@ -122,23 +118,9 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt, if (!tcp_is_cwnd_limited(sk, in_flight)) return; - if (tp->snd_cwnd <= tp->snd_ssthresh) { - /* RFC3742: limited slow start - * the window is increased by 1/K MSS for each arriving ACK, - * for K = int(cwnd/(0.5 max_ssthresh)) - */ - if (max_ssthresh > 0 && tp->snd_cwnd > max_ssthresh) { - u32 k = max(tp->snd_cwnd / (max_ssthresh >> 1), 1U); - if (++tp->snd_cwnd_cnt >= k) { - if (tp->snd_cwnd < tp->snd_cwnd_clamp) - tp->snd_cwnd++; - tp->snd_cwnd_cnt = 0; - } - } else { - if (tp->snd_cwnd < tp->snd_cwnd_clamp) - tp->snd_cwnd++; - } - } else { + if (tp->snd_cwnd <= tp->snd_ssthresh) + tcp_slow_start(tp); + else { /* Update AIMD parameters. * * We want to guarantee that: |