Commit ab6c27be authored Nov 29, 2013 by stephen hemminger Committed by David S. Miller Nov 30, 2013

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 <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7c2781fa

net/sched/sch_netem.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;