From 29daa85538664714cf01b5132d8c7fe6be40bcb6 Mon Sep 17 00:00:00 2001
From: "Mohit P. Tahiliani" <tahiliani@nitk.edu.in>
Date: Tue, 26 Feb 2019 00:39:57 +0530
Subject: [PATCH] net: sched: pie: change default value of pie_params->tupdate

RFC 8033 suggests a default value of 15 milliseconds for the
update interval.

Signed-off-by: Mohit P. Tahiliani <tahiliani@nitk.edu.in>
Signed-off-by: Dhaval Khandla <dhavaljkhandla26@gmail.com>
Signed-off-by: Hrishikesh Hiraskar <hrishihiraskar@gmail.com>
Signed-off-by: Manish Kumar B <bmanish15597@gmail.com>
Signed-off-by: Sachin D. Patil <sdp.sachin@gmail.com>
Signed-off-by: Leslie Monis <lesliemonis@gmail.com>
Acked-by: Dave Taht <dave.taht@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_pie.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index 91af9bf19852..702f75afc312 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -81,7 +81,7 @@ static void pie_params_init(struct pie_params *params)
 {
 	params->alpha = 2;
 	params->beta = 20;
-	params->tupdate = usecs_to_jiffies(30 * USEC_PER_MSEC);	/* 30 ms */
+	params->tupdate = usecs_to_jiffies(15 * USEC_PER_MSEC);	/* 15 ms */
 	params->limit = 1000;	/* default of 1000 packets */
 	params->target = PSCHED_NS2TICKS(15 * NSEC_PER_MSEC);	/* 15 ms */
 	params->ecn = false;