diff options
Diffstat (limited to 'net/ipv4/tcp_vegas.c')
| -rw-r--r-- | net/ipv4/tcp_vegas.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index 9a5e05f27f4f..a6afde666ab1 100644 --- a/net/ipv4/tcp_vegas.c +++ b/net/ipv4/tcp_vegas.c @@ -51,7 +51,6 @@ MODULE_PARM_DESC(beta, "upper bound of packets in network"); module_param(gamma, int, 0644); MODULE_PARM_DESC(gamma, "limit on increase (scale by 2)"); - /* There are several situations when we must "re-start" Vegas: * * o when a connection is established @@ -133,7 +132,6 @@ EXPORT_SYMBOL_GPL(tcp_vegas_pkts_acked); void tcp_vegas_state(struct sock *sk, u8 ca_state) { - if (ca_state == TCP_CA_Open) vegas_enable(sk); else @@ -218,7 +216,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked) * This is: * (actual rate in segments) * baseRTT */ - target_cwnd = tp->snd_cwnd * vegas->baseRTT / rtt; + target_cwnd = (u64)tp->snd_cwnd * vegas->baseRTT; + do_div(target_cwnd, rtt); /* Calculate the difference between the window we had, * and the window we would like to have. This quantity @@ -284,7 +283,6 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked) /* Use normal slow start */ else if (tp->snd_cwnd <= tp->snd_ssthresh) tcp_slow_start(tp, acked); - } /* Extract info for Tcp socket info provided via netlink. */ |