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authorIngo Molnar <mingo@elte.hu>2008-10-12 12:35:23 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 12:37:32 +0200
commit365d46dc9be9b3c833990a06f3994b1987eda578 (patch)
tree9397d1304144a288411f2118707f44ff5e862fa6 /net/ipv4/tcp_hybla.c
parentxen: do not reserve 2 pages of padding between hypervisor and fixmap. (diff)
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyt... (diff)
downloadlinux-365d46dc9be9b3c833990a06f3994b1987eda578.tar.xz
linux-365d46dc9be9b3c833990a06f3994b1987eda578.zip
Merge branch 'linus' into x86/xen
Conflicts: arch/x86/kernel/cpu/common.c arch/x86/kernel/process_64.c arch/x86/xen/enlighten.c
Diffstat (limited to 'net/ipv4/tcp_hybla.c')
-rw-r--r--net/ipv4/tcp_hybla.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/tcp_hybla.c b/net/ipv4/tcp_hybla.c
index bfcbd148a89d..c209e054a634 100644
--- a/net/ipv4/tcp_hybla.c
+++ b/net/ipv4/tcp_hybla.c
@@ -150,7 +150,11 @@ static void hybla_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
ca->snd_cwnd_cents -= 128;
tp->snd_cwnd_cnt = 0;
}
-
+ /* check when cwnd has not been incremented for a while */
+ if (increment == 0 && odd == 0 && tp->snd_cwnd_cnt >= tp->snd_cwnd) {
+ tp->snd_cwnd++;
+ tp->snd_cwnd_cnt = 0;
+ }
/* clamp down slowstart cwnd to ssthresh value. */
if (is_slowstart)
tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_ssthresh);