kernel: tune fq_codel defaults for common netdevice speeds

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 36302

diff --git a/target/linux/generic/patches-3.8/660-fq_codel_defaults.patch b/target/linux/generic/patches-3.8/660-fq_codel_defaults.patch
new file mode 100644 (file)
index 0000000..c08b219
--- /dev/null
+++ b/target/linux/generic/patches-3.8/660-fq_codel_defaults.patch
@@ -0,0 +1,14 @@
+--- a/net/sched/sch_fq_codel.c
++++ b/net/sched/sch_fq_codel.c
+@@ -389,9 +389,9 @@ static int fq_codel_init(struct Qdisc *s
+       struct fq_codel_sched_data *q = qdisc_priv(sch);
+       int i;
+ 
+-      sch->limit = 10*1024;
++      sch->limit = 1024;
+       q->flows_cnt = 1024;
+-      q->quantum = psched_mtu(qdisc_dev(sch));
++      q->quantum = 300;
+       q->perturbation = net_random();
+       INIT_LIST_HEAD(&q->new_flows);
+       INIT_LIST_HEAD(&q->old_flows);

diff --git a/target/linux/generic/patches-3.9/660-fq_codel_defaults.patch b/target/linux/generic/patches-3.9/660-fq_codel_defaults.patch
new file mode 100644 (file)
index 0000000..c08b219
--- /dev/null
+++ b/target/linux/generic/patches-3.9/660-fq_codel_defaults.patch
@@ -0,0 +1,14 @@
+--- a/net/sched/sch_fq_codel.c
++++ b/net/sched/sch_fq_codel.c
+@@ -389,9 +389,9 @@ static int fq_codel_init(struct Qdisc *s
+       struct fq_codel_sched_data *q = qdisc_priv(sch);
+       int i;
+ 
+-      sch->limit = 10*1024;
++      sch->limit = 1024;
+       q->flows_cnt = 1024;
+-      q->quantum = psched_mtu(qdisc_dev(sch));
++      q->quantum = 300;
+       q->perturbation = net_random();
+       INIT_LIST_HEAD(&q->new_flows);
+       INIT_LIST_HEAD(&q->old_flows);