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selftests: forwarding: tc_common: Convert to use busywait

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A function busywait() was recently added based on the logic in
__tc_check_packets(). Convert the code in tc_common to use the new
function.

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 19:56:04 +02:00 committed by David S. Miller
parent 844f055654
commit 47b0e096a9
1 changed files with 4 additions and 28 deletions
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32
tools/testing/selftests/net/forwarding/tc_common.sh
View file

@ -6,39 +6,14 @@ CHECK_TC="yes"
# Can be overridden by the configuration file. See lib.sh
TC_HIT_TIMEOUT=${TC_HIT_TIMEOUT:=1000} # ms
__tc_check_packets()
{
local id=$1
local handle=$2
local count=$3
local operator=$4
start_time="$(date -u +%s%3N)"
while true
do
cmd_jq "tc -j -s filter show $id" \
".[] | select(.options.handle == $handle) | \
select(.options.actions[0].stats.packets $operator $count)" \
&> /dev/null
ret=$?
if [[ $ret -eq 0 ]]; then
return $ret
fi
current_time="$(date -u +%s%3N)"
diff=$(expr $current_time - $start_time)
if [ "$diff" -gt "$TC_HIT_TIMEOUT" ]; then
return 1
fi
done
}
tc_check_packets()
{
local id=$1
local handle=$2
local count=$3
__tc_check_packets "$id" "$handle" "$count" "=="
busywait "$TC_HIT_TIMEOUT" until_counter_is "== $count" \
tc_rule_handle_stats_get "$id" "$handle" > /dev/null
}
tc_check_packets_hitting()
@ -46,5 +21,6 @@ tc_check_packets_hitting()
local id=$1
local handle=$2
__tc_check_packets "$id" "$handle" 0 ">"
busywait "$TC_HIT_TIMEOUT" until_counter_is "> 0" \
tc_rule_handle_stats_get "$id" "$handle" > /dev/null
}