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authorIngo Molnar <mingo@elte.hu>2012-02-28 10:26:07 +0100
committerIngo Molnar <mingo@elte.hu>2012-02-28 10:27:36 +0100
commit458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch)
tree28e088137eb068e5620f17eaf0ca19d1562006ed /net/ipv4/tcp_bic.c
parent69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff)
parent586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff)
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/tcp_bic.c')
-rw-r--r--net/ipv4/tcp_bic.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c
index 6187eb4d1dcf..f45e1c242440 100644
--- a/net/ipv4/tcp_bic.c
+++ b/net/ipv4/tcp_bic.c
@@ -63,7 +63,6 @@ static inline void bictcp_reset(struct bictcp *ca)
{
ca->cnt = 0;
ca->last_max_cwnd = 0;
- ca->loss_cwnd = 0;
ca->last_cwnd = 0;
ca->last_time = 0;
ca->epoch_start = 0;
@@ -72,7 +71,11 @@ static inline void bictcp_reset(struct bictcp *ca)
static void bictcp_init(struct sock *sk)
{
- bictcp_reset(inet_csk_ca(sk));
+ struct bictcp *ca = inet_csk_ca(sk);
+
+ bictcp_reset(ca);
+ ca->loss_cwnd = 0;
+
if (initial_ssthresh)
tcp_sk(sk)->snd_ssthresh = initial_ssthresh;
}
@@ -127,7 +130,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
}
/* if in slow start or link utilization is very low */
- if (ca->loss_cwnd == 0) {
+ if (ca->last_max_cwnd == 0) {
if (ca->cnt > 20) /* increase cwnd 5% per RTT */
ca->cnt = 20;
}
@@ -185,7 +188,7 @@ static u32 bictcp_undo_cwnd(struct sock *sk)
{
const struct tcp_sock *tp = tcp_sk(sk);
const struct bictcp *ca = inet_csk_ca(sk);
- return max(tp->snd_cwnd, ca->last_max_cwnd);
+ return max(tp->snd_cwnd, ca->loss_cwnd);
}
static void bictcp_state(struct sock *sk, u8 new_state)