From fc42f850c2f5a152d36e393659feb82a60d25ac9 Mon Sep 17 00:00:00 2001 From: "neal.yen" Date: Thu, 17 Feb 2022 17:04:14 +0800 Subject: [PATCH] modify fq_codel queue size to 256K --- include/net/sch_generic.h | 5 +++++ net/sched/sch_fq_codel.c | 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 50b0009..1ce3c38 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -602,6 +602,11 @@ static inline struct net_device *qdisc_dev(const struct Qdisc *qdisc) return qdisc->dev_queue->dev; } +static inline char *qdisc_dev_name(const struct Qdisc *qdisc) +{ + return qdisc->dev_queue->dev->name; +} + static inline void sch_tree_lock(const struct Qdisc *q) { spin_lock_bh(qdisc_root_sleeping_lock(q)); diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index 35d2531..31ba18e 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -473,7 +473,10 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt, #ifdef CONFIG_X86_64 q->memory_limit = 32 << 20; /* 32 MBytes */ #else - q->memory_limit = 4 << 20; /* 4 MBytes */ + if (!strncmp(qdisc_dev_name(sch), "eth", 3)) + q->memory_limit = 4 << 20; /* 4 MBytes */ + else + q->memory_limit = 1 << 18; /* 256 KiB */ #endif q->drop_batch_size = 64; q->quantum = psched_mtu(qdisc_dev(sch)); -- 2.18.0