Commit 0a4d0cb1 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: mlxsw: sch_red_ets: Test proper counter cleaning in ETS 



There was a bug introduced during the rework which cause non-zero backlog
being stuck at ETS. Introduce a selftest that would have caught the issue
earlier.

Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Reviewed-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7de85b04

tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh

+7 −0
Original line number Diff line number Diff line
@@ -67,6 +67,13 @@ red_test() 
{

	install_qdisc



	# Make sure that we get the non-zero value if there is any.

	local cur=$(busywait 1100 until_counter_is "> 0" \

			    qdisc_stats_get $swp3 10: .backlog)

	(( cur == 0 ))

	check_err $? "backlog of $cur observed on non-busy qdisc"

	log_test "$QDISC backlog properly cleaned"



	do_red_test 10 $BACKLOG1

	do_red_test 11 $BACKLOG2