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authorOlof Johansson <olof@lixom.net>2012-09-16 18:50:30 -0700
committerOlof Johansson <olof@lixom.net>2012-09-16 18:50:30 -0700
commitd192f93cfca6a0aedbf10fa548d8bc17b86275d6 (patch)
tree357a4106ec49747bd78550a79d68f7b6d1f642a3 /include/net/codel.h
parentadcb079f28ec08165897e2450a4a60b219274008 (diff)
parentd5703bd35a4c76b0717ea51e2e8aabce341828a1 (diff)
Merge tag 'tegra-for-3.7-maintainers' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/maintainers
* tag 'tegra-for-3.7-maintainers' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: MAINTAINERS: tegra: remove Olof/Colin, add device tree files MAINTAINERS: add defconfig file to TEGRA section + sync with 3.6-rc4
Diffstat (limited to 'include/net/codel.h')
-rw-r--r--include/net/codel.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/net/codel.h b/include/net/codel.h
index 550debfc2403..389cf621161d 100644
--- a/include/net/codel.h
+++ b/include/net/codel.h
@@ -305,6 +305,8 @@ static struct sk_buff *codel_dequeue(struct Qdisc *sch,
}
}
} else if (drop) {
+ u32 delta;
+
if (params->ecn && INET_ECN_set_ce(skb)) {
stats->ecn_mark++;
} else {
@@ -320,9 +322,11 @@ static struct sk_buff *codel_dequeue(struct Qdisc *sch,
* assume that the drop rate that controlled the queue on the
* last cycle is a good starting point to control it now.
*/
- if (codel_time_before(now - vars->drop_next,
+ delta = vars->count - vars->lastcount;
+ if (delta > 1 &&
+ codel_time_before(now - vars->drop_next,
16 * params->interval)) {
- vars->count = (vars->count - vars->lastcount) | 1;
+ vars->count = delta;
/* we dont care if rec_inv_sqrt approximation
* is not very precise :
* Next Newton steps will correct it quadratically.