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| author | Petr Machata <petrm@nvidia.com> | 2021-04-20 16:53:48 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-21 01:43:13 +0200 |
| commit | 0a4d0cb1a326cf0070a625036e19871f544f2d25 (patch) | |
| tree | 9617ce2b3faf49e9d122e765b3ece6bbaf9f8a7d /tools/testing/selftests/drivers | |
| parent | mlxsw: spectrum_qdisc: Index future FIFOs by band number (diff) | |
| download | linux-0a4d0cb1a326cf0070a625036e19871f544f2d25.tar.xz linux-0a4d0cb1a326cf0070a625036e19871f544f2d25.zip | |
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: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/drivers')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh index 3f007c5f8361..f3ef3274f9b3 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh @@ -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 |