openwrt_lede/target/linux/generic/patches-4.4/662-use_fq_codel_by_default.patch

--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -3,8 +3,9 @@
 # 
 
 menuconfig NET_SCHED
-	bool "QoS and/or fair queueing"
+	def_bool y
 	select NET_SCH_FIFO
+	select NET_SCH_FQ_CODEL
 	---help---
 	  When the kernel has several packets to send out over a network
 	  device, it has to decide which ones to send first, which ones to
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -694,7 +694,7 @@ static const struct Qdisc_class_ops fq_c
 	.walk		=	fq_codel_walk,
 };
 
-static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = {
+struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = {
 	.cl_ops		=	&fq_codel_class_ops,
 	.id		=	"fq_codel",
 	.priv_size	=	sizeof(struct fq_codel_sched_data),
@@ -710,6 +710,7 @@ static struct Qdisc_ops fq_codel_qdisc_o
 	.dump_stats =	fq_codel_dump_stats,
 	.owner		=	THIS_MODULE,
 };
+EXPORT_SYMBOL(fq_codel_qdisc_ops);
 
 static int __init fq_codel_module_init(void)
 {
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -344,6 +344,7 @@ extern struct Qdisc_ops noop_qdisc_ops;
 extern struct Qdisc_ops pfifo_fast_ops;
 extern struct Qdisc_ops mq_qdisc_ops;
 extern struct Qdisc_ops noqueue_qdisc_ops;
+extern struct Qdisc_ops fq_codel_qdisc_ops;
 extern const struct Qdisc_ops *default_qdisc_ops;
 
 struct Qdisc_class_common {
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -31,7 +31,7 @@
 #include <net/dst.h>
 
 /* Qdisc to use by default */
-const struct Qdisc_ops *default_qdisc_ops = &pfifo_fast_ops;
+const struct Qdisc_ops *default_qdisc_ops = &fq_codel_qdisc_ops;
 EXPORT_SYMBOL(default_qdisc_ops);
 
 /* Main transmission queue. */
@@ -735,7 +735,7 @@ static void attach_one_default_qdisc(str
 				     void *_unused)
 {
 	struct Qdisc *qdisc;
-	const struct Qdisc_ops *ops = default_qdisc_ops;
+	const struct Qdisc_ops *ops = &fq_codel_qdisc_ops;
 
 	if (dev->priv_flags & IFF_NO_QUEUE)
 		ops = &noqueue_qdisc_ops;
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -57,7 +57,7 @@ static int mq_init(struct Qdisc *sch, st
 
 	for (ntx = 0; ntx < dev->num_tx_queues; ntx++) {
 		dev_queue = netdev_get_tx_queue(dev, ntx);
-		qdisc = qdisc_create_dflt(dev_queue, default_qdisc_ops,
+		qdisc = qdisc_create_dflt(dev_queue, &fq_codel_qdisc_ops,
 					  TC_H_MAKE(TC_H_MAJ(sch->handle),
 						    TC_H_MIN(ntx + 1)));
 		if (!qdisc)
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -122,7 +122,7 @@ static int mqprio_init(struct Qdisc *sch
 
 	for (i = 0; i < dev->num_tx_queues; i++) {
 		dev_queue = netdev_get_tx_queue(dev, i);
-		qdisc = qdisc_create_dflt(dev_queue, default_qdisc_ops,
+		qdisc = qdisc_create_dflt(dev_queue, &fq_codel_qdisc_ops,
 					  TC_H_MAKE(TC_H_MAJ(sch->handle),
 						    TC_H_MIN(i + 1)));
 		if (!qdisc)
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1950,7 +1950,7 @@ static int __init pktsched_init(void)
 		return err;
 	}
 
-	register_qdisc(&pfifo_fast_ops);
+	register_qdisc(&fq_codel_qdisc_ops);
 	register_qdisc(&pfifo_qdisc_ops);
 	register_qdisc(&bfifo_qdisc_ops);
 	register_qdisc(&pfifo_head_drop_qdisc_ops);