domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
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94
target/linux/generic/hack-4.9/661-use_fq_codel_by_default.patch Normal file
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@@ -0,0 +1,94 @@
From 1d418f7e88035ed7a94073f6354246c66e9193e9 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:22:58 +0200
Subject: fq_codel: switch default qdisc from pfifo_fast to fq_codel and remove pfifo_fast
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/net/sch_generic.h | 3 ++-
net/sched/Kconfig | 3 ++-
net/sched/sch_api.c | 2 +-
net/sched/sch_fq_codel.c | 3 ++-
net/sched/sch_generic.c | 4 ++--
5 files changed, 9 insertions(+), 6 deletions(-)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -344,12 +344,13 @@ 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;
static inline const struct Qdisc_ops *
get_default_qdisc_ops(const struct net_device *dev, int ntx)
{
return ntx < dev->real_num_tx_queues ?
- default_qdisc_ops : &pfifo_fast_ops;
+ default_qdisc_ops : &fq_codel_qdisc_ops;
}
struct Qdisc_class_common {
--- 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_api.c
+++ b/net/sched/sch_api.c
@@ -1977,7 +1977,7 @@ 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);
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -715,7 +715,7 @@ 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),
@@ -730,6 +730,7 @@ 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/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. */
@@ -765,7 +765,7 @@ 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;