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authorArnd Bergmann <arnd@arndb.de>2012-08-23 17:02:42 +0200
committerArnd Bergmann <arnd@arndb.de>2012-08-23 17:02:42 +0200
commit1e72fe1fca4490474984d6356bbf66e2daa89f73 (patch)
tree12d95820cbb2083a6c78cfe550a0f9b20b1246eb /include/net/codel.h
parentMerge branch 'fixes' of git://github.com/hzhuang1/linux into fixes (diff)
parentARM: dts: imx51-babbage: fix esdhc cd/wp properties (diff)
downloadlinux-1e72fe1fca4490474984d6356bbf66e2daa89f73.tar.xz
linux-1e72fe1fca4490474984d6356bbf66e2daa89f73.zip
Merge branch 'imx/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
* 'imx/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: dts: imx51-babbage: fix esdhc cd/wp properties ARM: imx6: spin the cpu until hardware takes it down ARM i.MX6q: Add virtual 1/3.5 dividers in the LDB clock path Also updates to Linux 3.6-rc2 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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.