From ab6c27be8178a4682446faa5aa017b948997937f Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Fri, 29 Nov 2013 11:03:35 -0800 Subject: [PATCH] netem: fix loss 4 state model Patch from developers of the alternative loss models, downloaded from: http://netgroup.uniroma2.it/twiki/bin/view.cgi/Main/NetemCLG "In the case 1 of the switch statement in the if conditions we need to add clg->a4 to clg->a1, according to the model." Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- net/sched/sch_netem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 6e91323f3dac..9685624f7bc7 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -215,10 +215,10 @@ static bool loss_4state(struct netem_sched_data *q) if (rnd < clg->a4) { clg->state = 4; return true; - } else if (clg->a4 < rnd && rnd < clg->a1) { + } else if (clg->a4 < rnd && rnd < clg->a1 + clg->a4) { clg->state = 3; return true; - } else if (clg->a1 < rnd) + } else if (clg->a1 + clg->a4 < rnd) clg->state = 1; break; -- 2.20.1