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selftests: mlxsw: qos_defprio: Use until_counter_is

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Instead of hand-coding the busywait() predicate, use the until_counter_is()
introduced recently.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2020-03-02 19:56:05 +02:00 committed by David S. Miller
parent 47b0e096a9
commit 7b522ba276
1 changed files with 4 additions and 14 deletions
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18
tools/testing/selftests/drivers/net/mlxsw/qos_defprio.sh
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@ -114,23 +114,12 @@ ping_ipv4()
ping_test $h1 192.0.2.2
}
wait_for_packets()
{
local t0=$1; shift
local prio_observe=$1; shift
local t1=$(ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
local delta=$((t1 - t0))
echo $delta
((delta >= 10))
}
__test_defprio()
{
local prio_install=$1; shift
local prio_observe=$1; shift
local delta
local key
local t1
local i
RET=0
@ -139,9 +128,10 @@ __test_defprio()
local t0=$(ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
mausezahn -q $h1 -d 100m -c 10 -t arp reply
delta=$(busywait "$HIT_TIMEOUT" wait_for_packets $t0 $prio_observe)
t1=$(busywait "$HIT_TIMEOUT" until_counter_is ">= $((t0 + 10))" \
ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
check_err $? "Default priority $prio_install/$prio_observe: Expected to capture 10 packets, got $delta."
check_err $? "Default priority $prio_install/$prio_observe: Expected to capture 10 packets, got $((t1 - t0))."
log_test "Default priority $prio_install/$prio_observe"
defprio_uninstall $swp1 $prio_install